gcc/ChangeLog

   1 2011-02-09  David Edelsohn  <dje.gcc@gmail.com>
   2
   3         * config/rs6000/aix61.h (PROCESSOR_DEFAULT): Change to
   4         PROCESSOR_POWER7.
   5         (PROCESSOR_DEFAULT64): Same.
   6         (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Delete.
   7
   8 2011-02-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
   9
  10         * config/mips/iris6.h (TARGET_C99_FUNCTIONS): Define.
  11
  12 2011-02-09  Martin Jambor  <mjambor@suse.cz>
  13
  14         PR middle-end/45505
  15         * tree-sra.c (struct access): New flags grp_scalar_read and
  16         grp_scalar_write.  Changed description of assignment read and write
  17         flags.
  18         (dump_access): Dump new flags, reorder all of them.
  19         (sort_and_splice_var_accesses): Set the new flag accordingly, use them
  20         to detect multiple scalar reads.
  21         (analyze_access_subtree): Use the new scalar read write flags instead
  22         of the old flags.  Adjusted comments.
  23
  24 2011-02-08  DJ Delorie  <dj@redhat.com>
  25
  26         PR target/47548
  27         * config/m32c/m32c.c (m32c_subreg): Don't try to validate interim
  28         patterns.
  29
  30 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
  31
  32         * config/m68k/uclinux.opt: New.
  33         * config.gcc (m68k-*-uclinux*): Use m68k/uclinux.opt.
  34
  35 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
  36
  37         * config/cris/elf.opt (sim): New Driver option.
  38
  39 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
  40
  41         * config/xtensa/elf.opt: New.
  42         * config.gcc (xtensa*-*-elf*): Use xtensa/elf.opt.
  43
  44 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
  45
  46         * config/vax/elf.opt: New.
  47         * config.gcc (vax-*-linux*, vax-*-netbsdelf*): Use vax/elf.opt.
  48
  49 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
  50
  51         * config/rs6000/aix64.opt (posix, pthread): New Driver options.
  52
  53 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
  54
  55         * config/gnu-user.opt: New.
  56         * config.gcc (*-*-linux* | frv-*-*linux* | *-*-kfreebsd*-gnu |
  57         *-*-knetbsd*-gnu | *-*-gnu* | *-*-kopensolaris*-gnu,
  58         *-*-uclinux*): Use gnu-user.opt.
  59
  60 2011-02-08  Thomas Schwinge  <thomas@schwinge.name>
  61
  62         * config/gnu.h (CPP_SPEC, LIB_SPEC): Remove handling of -bsd option.
  63         * config/i386/gnu.h (CPP_SPEC): Likewise.
  64
  65 2011-02-08  Ian Lance Taylor  <iant@google.com>
  66
  67         * common.opt (fcx-limited-range): Add SetByCombined flag.
  68         (ffinite-math-only, fmath-errno, frounding-math): Likewise.
  69         (fsignaling-nans, fsigned-zeros, ftrapping-math): Likewise.
  70         (fassociative-math, freciprocal-math): Likewise.
  71         (funsafe-math-optimizations): Likewise.
  72         * opth-gen.awk: Handle SetByCombined.
  73         * optc-gen.awk: Likewise.
  74         * opts.c (set_fast_math_flags): Don't override flag if set by
  75         frontend.
  76         (set_unsafe_math_optimizations_flags): Likewise.
  77         * doc/options.texi (Option properties): Document SetByCombined.
  78
  79 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
  80
  81         * config.gcc (arc-*, alpha*-*-gnu*, arm*-*-netbsd*, arm-*-pe*,
  82         i[34567]86-*-interix3*, i[34567]86-*-netbsd*, i[34567]86-*-pe,
  83         m68hc11-*-*, m6811-*-*, m68hc12-*-*, m6812-*-*,
  84         m68k-*-uclinuxoldabi*, mcore-*-pe*, powerpc*-*-gnu*,
  85         sh*-*-symbianelf*, vax-*-netbsd*): Mark obsolete.
  86
  87 2011-02-08  Sebastian Pop  <sebastian.pop@amd.com>
  88
  89         PR tree-optimization/46834
  90         PR tree-optimization/46994
  91         PR tree-optimization/46995
  92         * graphite-sese-to-poly.c (used_outside_reduction): New.
  93         (detect_commutative_reduction): Call used_outside_reduction.
  94         (rewrite_commutative_reductions_out_of_ssa_close_phi): Call
  95         translate_scalar_reduction_to_array only when at least one
  96         loop-phi/close-phi tuple has been detected.
  97
  98 2011-02-08  Richard Guenther  <rguenther@suse.de>
  99
 100         PR middle-end/47639
 101         * tree-vect-generic.c (expand_vector_operations_1): Update
 102         stmts here ...
 103         (expand_vector_operations): ... not here.  Cleanup EH info
 104         and the CFG if required.
 105
 106 2011-02-08  Richard Guenther  <rguenther@suse.de>
 107
 108         PR tree-optimization/47641
 109         * tree-ssa.c (execute_update_addresses_taken): For asm outputs
 110         require type compatibility.
 111
 112 2011-02-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 113
 114         * gimple-low.c (lower_function_body): Don't remove the location of
 115         the return statement here.
 116         (lower_gimple_return): Do it here instead but only if the return
 117         statement is actually used twice.
 118
 119 2011-02-08  Richard Guenther  <rguenther@suse.de>
 120
 121         PR tree-optimization/47632
 122         * tree-ssa-forwprop.c (remove_prop_source_from_use): Remove
 123         unused up_to_stmt parameter, return whether cfg-cleanup is
 124         necessary, remove EH info properly.
 125         (forward_propagate_into_gimple_cond): Adjust caller.
 126         (forward_propagate_into_cond): Likewise.
 127         (forward_propagate_comparison): Likewise.
 128         (tree_ssa_forward_propagate_single_use_vars): Make
 129         forward_propagate_comparison case similar to the two others.
 130
 131 2011-02-08  Nick Clifton  <nickc@redhat.com>
 132
 133         * config/mn10300/mn10300.opt (mliw): New command line option.
 134         * config/mn10300/mn10300.md (UNSPEC_LIW): New unspec.
 135         (liw_bundling): New automaton.
 136         (liw): New attribute.
 137         (liw_op): New attribute.
 138         (liw_op1, liw_op2, liw_both, liw_either): New reservations.
 139         (movsi_internal): Add LIW attributes.
 140         (andsi3): Likewise.
 141         (iorsi3): Likewise.
 142         (xorsi3): Likewise.
 143         (addsi3): Separate register and immediate alternatives.
 144         Add LIW attributes.
 145         (subsi3): Likewise.
 146         (cmpsi): Likewise.
 147         (aslsi3): Likewise.
 148         (lshrsi3): Likewise.
 149         (ashrsi3): Likewise.
 150         (liw): New pattern.
 151         * config/mn10300/mn10300.c (liw_op_names): New
 152         (mn10300_print_operand): Handle 'W' operand descriptor.
 153         (extract_bundle): New function.
 154         (check_liw_constraints): New function.
 155         (liw_candidate): New function.
 156         (mn10300_bundle_liw): New function.
 157         (mn10300_reorg): New function.
 158         (TARGET_MACHINE_DEPENDENT_REORG): Define.
 159         (TARGET_DEFAULT_TARGET_FLAGS): Add MASK_ALLOW_LIW.
 160         * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Define
 161         __LIW__ or __NO_LIW__.
 162         * doc/invoke.texi: Describe the -mliw command line option.
 163
 164 2011-02-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 165
 166         * config.gcc (hppa[12]*-*-hpux11*): Don't set extra_parts.
 167         * config/pa/stublib.c (pthread_default_stacksize_np, pthread_mutex_lock,
 168         pthread_mutex_unlock): Remove.
 169         * config/pa/t-pa-hpux11: Remove rules to build pthread stubs.
 170         * config/pa/t-pa64: Likewise.
 171         * config/pa/pa64-hpux.h (LIB_SPEC): In static links, link against
 172         shared libc if not linking against libpthread.
 173         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
 174
 175 2011-02-07  Iain Sandoe  <iains@gcc.gnu.org>
 176
 177         PR target/47558
 178         * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Put -lSystem first
 179         on 10.6 and later to ensure that we always use the unwinder from
 180         the system.  Only add -no_compact_unwind when tarteting darwin
 181         10.6 or later.
 182
 183 2011-02-07  Steve Ellcey  <sje@cup.hp.com>
 184
 185         PR target/46997
 186         * vect.md (vec_interleave_highv2sf): Change fmix for TARGET_BIG_ENDIAN.
 187         (vec_interleave_lowv2sf): Ditto.
 188         (vec_extract_evenv2sf): Add TARGET_BIG_ENDIAN check.
 189         (vec_extract_oddv2sf): Ditto.
 190
 191 2011-02-07  Mike Stump  <mikestump@comcast.net>
 192
 193         PR target/42333
 194         Add __ieee_divdc3 entry point.
 195         * config/i386/darwin.h (DECLARE_LIBRARY_RENAMES): Retain ___divdc3
 196         entry point.
 197         (SUBTARGET_INIT_BUILTINS): Call darwin_rename_builtins.
 198         * config/i386/i386.c (TARGET_INIT_LIBFUNCS): Likewise.
 199         * config/darwin.c (darwin_rename_builtins): Add.
 200         * config/darwin-protos.h (darwin_rename_builtins): Add.
 201
 202 2011-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
 203
 204         PR target/47636
 205         * config/rs6000/rs6000.md (rsqrt<mode>2): Use the correct macro
 206         for the condition.
 207
 208 2011-02-07  Mike Stump  <mikestump@comcast.net>
 209
 210         * config/darwin.opt (mmacosx-version-min): Update default OS
 211         version.
 212
 213 2011-02-07  Denis Chertykov  <chertykov@gmail.com>
 214
 215         PR target/47534
 216         * config/avr/libgcc.S (exit): Move .endfunc
 217
 218 2011-02-07  Richard Guenther  <rguenther@suse.de>
 219
 220         PR tree-optimization/47615
 221         * tree-ssa-sccvn.h (run_scc_vn): Take a vn-walk mode argument.
 222         * tree-ssa-sccvn.c (default_vn_walk_kind): New global.
 223         (run_scc_vn): Initialize it.
 224         (visit_reference_op_load): Use it.
 225         * tree-ssa-pre.c (execute_pre): Use VN_WALK if in PRE.
 226
 227 2011-02-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 228
 229         * config/spu/spu.c (spu_init_libfuncs): Install SImode and
 230         DImode trapping arithmetic libfuncs.
 231
 232 2011-02-07  Richard Guenther  <rguenther@suse.de>
 233
 234         PR tree-optimization/47621
 235         * tree-ssa.c (non_rewritable_lvalue_p): New function, split out from
 236         two duplicates ...
 237         (execute_update_addresses_taken): ... here.  Make it more
 238         conservative in what we accept.
 239
 240 2011-02-06  Joseph Myers  <joseph@codesourcery.com>
 241
 242         * config/sparc/freebsd.h (ASM_SPEC): Define.
 243         * config/sparc/vxworks.h (ASM_SPEC): Define.
 244
 245 2011-02-06  Joseph Myers  <joseph@codesourcery.com>
 246
 247         * config/sparc/sol2-bi.h (CC1_SPEC): Remove %{sun4:} %{target:}.
 248
 249 2011-02-06  Steven Bosscher  <steven@gcc.gnu.org>
 250
 251         * doc/invoke.texi: Remove reference to compiler internals from
 252         user documentation.
 253
 254         * reg-notes.def: Remove REG_VALUE_PROFILE.
 255         * combine.c (distribute_notes): Do not handle REG_VALUE_PROFILE.
 256
 257 2011-02-05  Jakub Jelinek  <jakub@redhat.com>
 258
 259         PR middle-end/47610
 260         * varasm.c (default_section_type_flags): If decl is NULL,
 261         and name is .data.rel.ro or .data.rel.ro.local, set SECTION_RELRO bit.
 262
 263 2011-02-05  Jie Zhang  <jie@codesourcery.com>
 264
 265         PR debug/42631
 266         * web.c (entry_register): Don't clobber the number of the
 267         first uninitialized reference in used[].
 268
 269 2011-02-04  Sebastian Pop  <sebastian.pop@amd.com>
 270
 271         PR tree-optimization/46194
 272         * tree-data-ref.c (analyze_miv_subscript): Remove comment.
 273         (build_classic_dist_vector_1): Do not represent classic distance
 274         vectors when the access functions are variating in different loops.
 275
 276 2011-02-04  Joseph Myers  <joseph@codesourcery.com>
 277
 278         * config/mips/iris6.opt: New.
 279         * config.gcc (mips-sgi-irix6.5*): Use mips/iris6.opt.
 280
 281 2011-02-04  Richard Henderson  <rth@redhat.com>
 282             Steve Ellcey  <sje@cup.hp.com>
 283
 284         PR target/46997
 285         * config/ia64/predicates.md (mux1_brcst_element): New.
 286         * config/ia64/ia64-protos.h (ia64_unpack_assemble): New.
 287         * config/ia64/ia64.c (ia64_unpack_assemble): New.
 288         (ia64_unpack_sign): New.
 289         (ia64_expand_unpack): Rewrite using new routines.
 290         (ia64_expand_widen_sum): Ditto.
 291         (ia64_expand_dot_prod_v8qi): Ditto.
 292         * config/ia64/vect.md (mulv8qi3): Rewrite to use new
 293         routines, add endian check.
 294         (pmpy2_even): Rename from pmpy2_r, add endian check.
 295         (pmpy2_odd): Rename from pmpy2_l, add endian check.
 296         (vec_widen_smult_lo_v4hi): Rewrite using new routines.
 297         (vec_widen_smult_hi_v4hi): Ditto.
 298         (vec_widen_umult_lo_v4hi): Ditto.
 299         (vec_widen_umult_hi_v4hi): Ditto.
 300         (mulv2si3): Change endian checks.
 301         (sdot_prodv4hi): Rewrite with new calls.
 302         (udot_prodv4hi): New.
 303         (vec_pack_ssat_v4hi): Add endian check.
 304         (vec_pack_usat_v4hi): Ditto.
 305         (vec_pack_ssat_v2si): Ditto.
 306         (max1_even): Rename from max1_r, add endian check.
 307         (max1_odd): Rename from max1_l, add endian check.
 308         (*mux1_rev): Format change.
 309         (*mux1_mix): Ditto.
 310         (*mux1_shuf): Ditto.
 311         (*mux1_alt): Ditto.
 312         (*mux1_brcst_v8qi): Use new predicate.
 313         (vec_extract_evenv8qi): Remove endian check.
 314         (vec_extract_oddv8qi): Ditto.
 315         (vec_interleave_lowv4hi): Format change.
 316         (vec_interleave_highv4hi): Ditto.
 317         (mix2_even): Rename from mix2_r, add endian check.
 318         (mix2_odd): Rename from mux2_l, add endian check.
 319         (*mux2): Fix mask setting for TARGET_BIG_ENDIAN.
 320         (vec_extract_evenodd_helper): Format change.
 321         (vec_extract_evenv4hi): Remove endian check.
 322         (vec_extract_oddv4hi): Remove endian check.
 323         (vec_interleave_lowv2si): Format change.
 324         (vec_interleave_highv2si): Format change.
 325         (vec_initv2si): Remove endian check.
 326         (vecinit_v2si): Add endian check.
 327         (reduc_splus_v2sf): Add endian check.
 328         (reduc_smax_v2sf): Ditto.
 329         (reduc_smin_v2sf): Ditto.
 330         (vec_initv2sf): Remove endian check.
 331         (fpack): Add endian check.
 332         (fswap): Add endian check.
 333         (vec_interleave_highv2sf): Add endian check.
 334         (vec_interleave_lowv2sf): Add endian check.
 335         (fmix_lr): Add endian check.
 336         (vec_setv2sf): Format change.
 337         (*vec_extractv2sf_0_be): Use shift to extract operand.
 338         (*vec_extractv2sf_1_be): New.
 339         (vec_pack_trunc_v4hi): Add endian check.
 340         (vec_pack_trunc_v2si): Format change.
 341
 342 2011-02-04  Jakub Jelinek  <jakub@redhat.com>
 343
 344         PR inline-asm/23200
 345         * tree-ssa-ter.c (is_replaceable_p): Add TER argument.  Don't
 346         do bb, locus and block comparison and disallow loads if it is not set.
 347         (stmt_is_replaceable_p): New function.
 348         (process_replaceable, find_replaceable_in_bb): Adjust is_replaceable_p
 349         callers.
 350         * expr.c (expand_expr_real_1) <case SSA_NAME>: If
 351         get_gimple_for_ssa_name try for EXPAND_INITIALIZER harder to use
 352         SSA_NAME_DEF_STMT.
 353         * tree-flow.h (stmt_is_replaceable_p): New prototype.
 354
 355 2011-02-04  Joseph Myers  <joseph@codesourcery.com>
 356
 357         * config/rs6000/xilinx.opt: New.
 358         * config.gcc (powerpc-xilinx-eabi*): Use rs6000/xilinx.opt.
 359
 360 2011-02-04  Joseph Myers  <joseph@codesourcery.com>
 361
 362         * config/mips/mips.opt (EB, EL, noasmopt): New Driver options.
 363
 364 2011-02-03  Anatoly Sokolov  <aesok@post.ru>
 365
 366         * config/xtensa/xtensa.h (PREFERRED_RELOAD_CLASS,
 367         PREFERRED_OUTPUT_RELOAD_CLASS): Remove.
 368         * config/xtensa/xtensa-protos.h (xtensa_preferred_reload_class,
 369         secondary_reload_info, xtensa_secondary_reload): Remove.
 370         * config/xtensa/xtensa.c (TARGET_PREFERRED_RELOAD_CLASS,
 371         TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Define.
 372         (xtensa_preferred_reload_class): Make static. Change return and
 373         'rclass' argument type to reg_class_t. Remove 'isoutput' argument.
 374         Use CONST_DOUBLE_P predicate.
 375         (xtensa_preferred_output_reload_class): New function.
 376         (xtensa_secondary_reload): Make static.
 377
 378 2011-02-03  Joseph Myers  <joseph@codesourcery.com>
 379
 380         * config/microblaze/microblaze.opt (Zxl-mode-bootstrap,
 381         Zxl-mode-executable, Zxl-mode-novectors, Zxl-mode-xilkernel,
 382         Zxl-mode-xmdstub, mxl-mode-xilkernel): New Driver options.
 383
 384 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
 385
 386         PR middle-end/31490
 387         * output.h (SECTION_RELRO): Define.
 388         (SECTION_MACH_DEP): Adjust.
 389         (get_variable_section): New prototype.
 390         * varpool.c (varpool_finalize_named_section_flags): New function.
 391         (varpool_assemble_pending_decls): Call it.
 392         * cgraph.h (varpool_finalize_named_section_flags): New prototype.
 393         * cgraphunit.c (cgraph_output_in_order): Call
 394         varpool_finalize_named_section_flags.
 395         * varasm.c (get_section): Allow section flags conflicts between
 396         relro and read-only sections if the section hasn't been declared yet.
 397         Set SECTION_OVERRIDE after diagnosing section type conflict.
 398         (get_variable_section): No longer static.
 399         (default_section_type_flags): Use SECTION_WRITE | SECTION_RELRO for
 400         readonly sections that need relocations.
 401         (decl_readonly_section_1): New function.
 402         (decl_readonly_section): Use it.
 403
 404         Revert:
 405         2010-11-17  Dinar Temirbulatov <dtemirbulatov@gmail.com>
 406                     Steve Ellcey  <sje@cup.hp.com>
 407
 408         PR middle-end/31490
 409         * varasm.c (categorize_decl_for_section): Ignore reloc_rw_mask
 410         if section attribute used.
 411
 412 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
 413
 414         * config/darwin.h (SECTION_NO_ANCHOR): Remove.
 415         * config/darwin.c (SECTION_NO_ANCHOR): Define.
 416         (darwin_init_sections): Remove assertion.
 417
 418 2011-02-03  Nick Clifton  <nickc@redhat.com>
 419
 420         * config/rx/predicates.md (rx_zs_comparison_operator): Remove
 421         lt and ge.
 422         * config/rx/rx.md (abssi2_flags): Use CC_ZSmode rather than CC_ZSOmode.
 423         * config/rx/rx.c (rx_print_operand): Use "lt" and "ge" suffixes
 424         instead of "n" and "pz".
 425         (flags_from_code): LT and GE tests need CC_FLAG_O as well as
 426         CC_FLAG_S.
 427
 428 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
 429
 430         PR target/47312
 431         * expr.c (expand_expr_real_2) <case FMA_EXPR>: If target doesn't expand
 432         fma, expand FMA_EXPR as fma{,f,l} call.
 433
 434         PR lto/47274
 435         * lto-streamer-out.c (write_symbol): When writing kind and visibility,
 436         copy them into a unsigned char variable and pass address of it to
 437         lto_output_data_stream.
 438
 439         PR target/47564
 440         * toplev.c (target_reinit): Save and restore *crtl and regno_reg_rtx
 441         around backend_init_target and lang_dependent_init_target calls.
 442         * cgraphunit.c (cgraph_debug_gimple_stmt): New function.
 443         (verify_cgraph_node): Don't call set_cfun here.  Use
 444         cgraph_debug_gimple_stmt instead of debug_gimple_stmt.
 445         Set error_found for incorrectly represented calls to thunks.
 446
 447 2011-02-03  Alexandre Oliva  <aoliva@redhat.com>
 448
 449         PR debug/43092
 450         PR rtl-optimization/43494
 451         * rtl.h (for_each_inc_dec_fn): New type.
 452         (for_each_inc_dec): Declare.
 453         * rtlanal.c (struct for_each_inc_dec_ops): New type.
 454         (for_each_inc_dec_find_inc_dec): New fn.
 455         (for_each_inc_dec_find_mem): New fn.
 456         (for_each_inc_dec): New fn.
 457         * dse.c (struct insn_size): Remove.
 458         (replace_inc_dec, replace_inc_dec_mem): Remove.
 459         (emit_inc_dec_insn_before): New fn.
 460         (check_for_inc_dec): Use it, along with for_each_inc_dec.
 461         (canon_address): Pass mem modes to cselib_lookup.
 462         * cselib.h (cselib_lookup): Add memmode argument.  Adjust callers.
 463         (cselib_lookup_from_insn): Likewise.
 464         (cselib_subst_to_values): Likewise.
 465         * cselib.c (find_slot_memmode): New var.
 466         (cselib_find_slot): New fn.  Use it instead of
 467         htab_find_slot_with_hash everywhere.
 468         (entry_and_rtx_equal_p): Use find_slot_memmode.
 469         (autoinc_split): New fn.
 470         (rtx_equal_for_cselib_p): Rename and implement in terms of...
 471         (rtx_equal_for_cselib_1): ... this.  Take memmode, pass it on.
 472         Deal with autoinc.  Special-case recursion into MEMs.
 473         (cselib_hash_rtx): Likewise.
 474         (cselib_lookup_mem): Infer pmode from address mode.  Distinguish
 475         address and MEM modes.
 476         (cselib_subst_to_values): Add memmode, pass it on.
 477         Deal with autoinc.
 478         (cselib_lookup): Add memmode argument, pass it on.
 479         (cselib_lookup_from_insn): Add memmode.
 480         (cselib_invalidate_rtx): Discard obsolete push_operand handling.
 481         (struct cselib_record_autoinc_data): New.
 482         (cselib_record_autoinc_cb): New fn.
 483         (cselib_record_sets): Use it, along with for_each_inc_dec.  Pass MEM
 484         mode to cselib_lookup.  Reset autoinced REGs here instead of...
 485         (cselib_process_insn): ... here.
 486         * var-tracking.c (replace_expr_with_values, use_type): Pass MEM mode
 487         to cselib_lookup.
 488         (add_uses): Likewise, also to cselib_subst_to_values.
 489         (add_stores): Likewise.
 490         * sched-deps.c  (add_insn_mem_dependence): Pass mode to
 491         cselib_subst_to_values.
 492         (sched_analyze_1, sched_analyze_2): Likewise.  Adjusted.
 493         * gcse.c (do_local_cprop): Adjusted.
 494         * postreload.c (reload_cse_simplify_set): Adjusted.
 495         (reload_cse_simplify_operands): Adjusted.
 496         * sel-sched-dump (debug_mem_addr_value): Pass mode.
 497
 498 2011-02-03  Alexandre Oliva  <aoliva@redhat.com>
 499
 500         PR tree-optimization/45122
 501         * tree-ssa-loop-niter.c (number_of_iterations_exit): Don't make
 502         unsafe assumptions when there's more than one loop exit.
 503
 504 2011-02-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
 505
 506         PR target/47272
 507         * doc/extend.texi (PowerPC AltiVec/VSX Built-in Functions):
 508         Document using vector double with the load/store builtins, and
 509         that the load/store builtins always use Altivec instructions.
 510
 511         * config/rs6000/vector.md (vector_altivec_load_<mode>): New insns
 512         to use altivec memory instructions, even on VSX.
 513         (vector_altivec_store_<mode>): Ditto.
 514
 515         * config/rs6000/rs6000-protos.h (rs6000_address_for_altivec): New
 516         function.
 517
 518         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
 519         V2DF, V2DI support to load/store overloaded builtins.
 520
 521         * config/rs6000/rs6000-builtin.def (ALTIVEC_BUILTIN_*): Add
 522         altivec load/store builtins for V2DF/V2DI types.
 523
 524         * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
 525         set avoid indexed addresses on power6 if -maltivec.
 526         (altivec_expand_ld_builtin): Add V2DF, V2DI support, use
 527         vector_altivec_load/vector_altivec_store builtins.
 528         (altivec_expand_st_builtin): Ditto.
 529         (altivec_expand_builtin): Add VSX memory builtins.
 530         (rs6000_init_builtins): Add V2DI types to internal types.
 531         (altivec_init_builtins): Add support for V2DF/V2DI altivec
 532         load/store builtins.
 533         (rs6000_address_for_altivec): Insure memory address is appropriate
 534         for Altivec.
 535
 536         * config/rs6000/vsx.md (vsx_load_<mode>): New expanders for
 537         vec_vsx_ld and vec_vsx_st.
 538         (vsx_store_<mode>): Ditto.
 539
 540         * config/rs6000/rs6000.h (RS6000_BTI_long_long): New type
 541         variables to hold long long types for VSX vector memory builtins.
 542         (RS6000_BTI_unsigned_long_long): Ditto.
 543         (long_long_integer_type_internal_node): Ditti.
 544         (long_long_unsigned_type_internal_node): Ditti.
 545
 546         * config/rs6000/altivec.md (UNSPEC_LVX): New UNSPEC.
 547         (altivec_lvx_<mode>): Make altivec_lvx use a mode iterator.
 548         (altivec_stvx_<mode>): Make altivec_stvx use a mode iterator.
 549
 550         * config/rs6000/altivec.h (vec_vsx_ld): Define VSX memory builtin
 551         short cuts.
 552         (vec_vsx_st): Ditto.
 553
 554 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
 555
 556         * config/pa/pa-hpux10.opt: New.
 557         * config/hpux11.opt (pthread): New Driver option.
 558         * config/pa/pa-hpux.opt (nolibdld, rdynamic): New Driver options.
 559         * config.gcc (hppa[12]*-*-hpux10*): Use pa/pa-hpux10.opt.
 560
 561 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
 562
 563         * config/ia64/vms.opt: New.
 564         * config.gcc (ia64-hp-*vms*): Use ia64/vms.opt.
 565
 566 2011-02-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
 567
 568         PR target/47580
 569         * config/rs6000/vsx.md (vsx_float<VSi><mode>2): Use
 570         gpc_reg_operand instead of vsx_register_operand to match rs6000.md
 571         generator functions.
 572         (vsx_floatuns<VSi><mode>2): Ditto.
 573         (vsx_fix_trunc<mode><VSi>2): Ditto.
 574         (vsx_fixuns_trunc<mode><VSi>2): Ditto.
 575
 576 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
 577
 578         * config/i386/djgpp.opt (posix): New Driver option.
 579
 580 2011-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
 581
 582         * config.gcc (*-*-freebsd[12], *-*-freebsd[12].*, *-*-freebsd*aout*):
 583         Move to the unsupported targets list.
 584
 585 2011-02-02  Peter Bergner  <bergner@vnet.ibm.com>
 586
 587         PR rtl-optimization/47525
 588         * df-scan.c: Update copyright years.
 589         (df_get_call_refs): Do not mark global registers as DF_REF_REG_USE
 590         and non-clobber DF_REF_REG_DEF for calls to const and pure functions.
 591
 592 2011-02-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 593
 594         * config/i386/sysv4.h (TARGET_VERSION): Remove.
 595         (SUBTARGET_RETURN_IN_MEMORY): Remove.
 596         (ASM_OUTPUT_ASCII): Remove.
 597         * config/i386/sol2.h (SUBTARGET_RETURN_IN_MEMORY): Remove #undef.
 598
 599 2011-02-02  Jeff Law  <law@redhat.com>
 600
 601         PR middle-end/47543
 602         * reload.c (find_reloads_address): Handle reg+d address where both
 603         components are invalid by reloading the entire address.
 604
 605 2011-02-02  Sebastian Pop  <sebastian.pop@amd.com>
 606             Richard Guenther  <rguenther@suse.de>
 607
 608         PR tree-optimization/40979
 609         PR bootstrap/47044
 610         * passes.c (init_optimization_passes): After LIM call copy_prop
 611         and DCE to clean up.
 612         * tree-ssa-loop.c (pass_graphite_transforms): Add TODO_dump_func.
 613
 614 2011-02-02  Sebastian Pop  <sebastian.pop@amd.com>
 615
 616         PR tree-optimization/47576
 617         PR tree-optimization/47555
 618         * doc/invoke.texi (scev-max-expr-complexity): Documented.
 619         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
 620         (PARAM_SCEV_MAX_EXPR_COMPLEXITY): Declared.
 621         * tree-scalar-evolution.c (follow_ssa_edge): Use
 622         PARAM_SCEV_MAX_EXPR_COMPLEXITY.
 623
 624 2011-02-02  Richard Guenther  <rguenther@suse.de>
 625
 626         PR tree-optimization/47566
 627         * builtins.c (builtin_save_expr): No SAVE_EXPR for SSA_NAMEs.
 628
 629 2011-02-02  Alexandre Oliva  <aoliva@redhat.com>
 630
 631         PR debug/47106
 632         PR debug/47402
 633         * tree-inline.c (declare_return_variable): Remove unused caller
 634         variable.
 635
 636         PR debug/47106
 637         PR debug/47402
 638         * tree-flow-inline.h (clear_is_used, is_used_p): New.
 639         * cfgexpand.c (account_used_vars_for_block): Use them.
 640         * tree-nrv.c (tree_nrv): Likewise.
 641         * tree-ssa-live.c (remove_unused_scope_block_p): Likewise.
 642         (dump_scope_block): Likewise.
 643         (remove_unused_locals): Likewise.
 644
 645         PR debug/47106
 646         PR debug/47402
 647         * tree-inline.c (declare_return_variable): Add result decl to
 648         local decls only once.
 649         * gimple-low.c (record_vars_into): Mark newly-created variables
 650         as referenced.
 651
 652 2011-02-02  Alexandre Oliva  <aoliva@redhat.com>
 653
 654         PR debug/47498
 655         PR debug/47501
 656         PR debug/45136
 657         PR debug/45130
 658         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
 659         debug insns.
 660         (no_real_insns_p, schedule_block, set_priorities): Drop special
 661         treatment of boundary debug insns.
 662         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
 663         * sched-ebb.c (schedule_ebbs): Adjust skipping of debug insns.
 664         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
 665         (BOUNDARY_DEBUG_INSN_P): Likewise.
 666         (SCHEDULE_DEBUG_INSN_P): Likewise.
 667         * sched-rgn.c (init_ready_list): Drop special treatment of
 668         boundary debug insns.
 669         * final.c (rest_of_clean_state): Clear notes' BB.
 670
 671 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
 672
 673         * config/openbsd.opt (assert=): New Driver option.
 674
 675 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
 676
 677         * config/i386/nto.opt: New.
 678         * config.gcc (i[34567]86-*-nto-qnx*): Use i386/nto.opt.
 679
 680 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
 681
 682         * config/i386/netware.opt: New.
 683         * config.gcc (i[3456x]86-*-netware*): Use i386/netware.opt.
 684
 685 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
 686
 687         * config/interix.opt (posix): New Driver option.
 688
 689 2011-02-01  DJ Delorie  <dj@redhat.com>
 690
 691         * config/m32c/m32c.h (PTRDIFF_TYPE): Remove extra definition.
 692
 693         * config/m32c/m32c.c (m32c_regno_reg_class): Return smallest reg
 694         class for A0/A1.
 695
 696 2011-02-01  Sebastian Pop  <sebastian.pop@amd.com>
 697
 698         PR tree-optimization/47561
 699         * toplev.c (process_options): Print the Graphite flags.  Add
 700         flag_loop_flatten to the list of options requiring Graphite.
 701
 702 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
 703
 704         * config/i386/cygming.opt (posix): New Driver option.
 705
 706 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
 707
 708         * config/arm/vxworks.opt: New.
 709         * config.gcc (arm-wrs-vxworks): Use arm/vxworks.opt.
 710
 711 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
 712
 713         * config/alpha/elf.opt: New.
 714         * config.gcc (alpha*-*-linux*, alpha*-*-gnu*, alpha*-*-freebsd*,
 715         alpha*-*-netbsd*, alpha*-*-openbsd*): Use alpha/elf.opt.
 716
 717 2011-02-01  Richard Guenther  <rguenther@suse.de>
 718
 719         PR tree-optimization/47559
 720         * tree-ssa-loop-im.c (can_sm_ref_p): Do not perform
 721         store-motion on references that can throw.
 722
 723 2011-02-01  Bernd Schmidt  <bernds@codesourcery.com>
 724
 725         * tree-dump.c (dump_option_value_info): Add entry for TDF_CSELIB.
 726         * tree-pass.h (TDF_CSELIB): New macro.
 727         * cselib.c (new_cselib_val, expand_loc, cselib_expand_value_rtx_1,
 728         cselib_lookup): Check for it rather than for TDF_DETAILS.
 729
 730 2011-02-01  H.J. Lu  <hongjiu.lu@intel.com>
 731
 732         PR driver/47547
 733         * lto-wrapper.c (run_gcc): Don't add -dumpdir if linker_output
 734         is HOST_BIT_BUCKET.
 735
 736         * opts.c (finish_options): Don't add x_aux_base_name if it is
 737         HOST_BIT_BUCKET.
 738
 739 2011-02-01  Richard Guenther  <rguenther@suse.de>
 740
 741         PR tree-optimization/47555
 742         Revert
 743         2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 744
 745         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
 746
 747 2011-02-01  Sebastien Bourdeauducq  <sebastien@milkymist.org>
 748
 749         PR gcc/46692
 750         * config/lm32/t-lm32: Add multilib for all CPU options.
 751
 752 2011-02-01  Richard Guenther  <rguenther@suse.de>
 753
 754         PR tree-optimization/47541
 755         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
 756         sure to have a field at offset zero.
 757
 758 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
 759
 760         * config/arc/arc.opt (EB, EL): New Driver options.
 761
 762 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
 763
 764         * config/alpha/osf5.opt: New.
 765         * config.gcc (alpha*-dec-osf5.1*): Use alpha/osf5.opt.
 766
 767 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
 768
 769         * config/vms/vms.opt (map, mvms-return-codes): New Driver options.
 770
 771 2011-01-31  Sebastian Pop  <sebastian.pop@amd.com>
 772
 773         * common.opt (ftree-loop-linear): Use Alias to make it an alias of
 774         -floop-interchange.
 775         * invoke.texi (-ftree-loop-linear): Make it clear that this flag
 776         is an alias of -floop-interchange and that it requires the
 777         Graphite infrastructure.
 778         * tree-ssa-loop.c (gate_graphite_transforms): Do not set
 779         flag_loop_interchange based on the value of flag_tree_loop_linear.
 780
 781 2011-01-31  Jakub Jelinek  <jakub@redhat.com>
 782             Richard Guenther  <rguenther@suse.de>
 783
 784         PR tree-optimization/47538
 785         * tree-ssa-ccp.c (bit_value_binop_1): For uns computation use
 786         type instead of r1type, except for comparisons.  For right
 787         shifts and comparisons punt if there are mismatches in
 788         sizetype vs. non-sizetype types.
 789
 790 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 791
 792         * doc/sourcebuild.texi (Effective-Target Keywords): Document
 793         avx_runtime.
 794
 795 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 796
 797         * configure.ac (gcc_cv_ld_eh_frame_hdr): Update minimal Sun ld
 798         version number.
 799         * configure: Regenerate.
 800
 801 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 802
 803         * configure.ac (gcc_cv_ld_static_option): Define.
 804         (gcc_cv_ld_dynamic_option): Define.
 805         (gcc_cv_ld_static_dynamic): Tru64 UNIX support -noso/-so_archive
 806         instead.
 807         (HAVE_LD_STATIC_DYNAMIC): Update message.
 808         (LD_STATIC_OPTION): Define.
 809         (LD_DYNAMIC_OPTION): Define.
 810         * configure: Regenerate.
 811         * config.in: Regenerate.
 812         * gcc.c (init_spec) [USE_LIBUNWIND_EXCEPTIONS &&
 813         HAVE_LD_STATIC_DYNAMIC]: Use them.
 814
 815 2011-01-31  Nick Clifton  <nickc@redhat.com>
 816
 817         * config/rx/rx.c (rx_get_stack_layout): Only save call clobbered
 818         registers inside interrupt handlers if the handler is not a leaf
 819         function.
 820
 821 2011-01-31  Nick Clifton  <nickc@redhat.com>
 822
 823         * config/mn10300/mn10300.c (mn10300_regno_in_class_p): Check for
 824         reg_renumber returning an INVALID_REGNUM.
 825
 826 2011-01-31  Alexandre Oliva  <aoliva@redhat.com>
 827
 828         PR libgcj/44341
 829         * doc/install.texi: Document host options discarded when cross
 830         configuring target libraries.
 831
 832 2011-01-31  Alexandre Oliva  <aoliva@redhat.com>
 833
 834         Reverted:
 835         2011-01-25  Alexandre Oliva  <aoliva@redhat.com>
 836         PR debug/45136
 837         PR debug/45130
 838         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
 839         debug insns.
 840         (no_real_insns_p, schedule_block, set_priorities): Drop special
 841         treatment of boundary debug insns.
 842         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
 843         * sched-ebb.c (schedule_ebbs): Don't skip debug insns.
 844         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
 845         (BOUNDARY_DEBUG_INSN_P): Likewise.
 846         (SCHEDULE_DEBUG_INSN_P): Likewise.
 847         * sched-rgn.c (init_ready_list): Drop special treatment of
 848         boundary debug insns.
 849         * final.c (rest_of_clean-state): Clear notes' BB.
 850
 851 2011-01-31  Alan Modra  <amodra@gmail.com>
 852
 853         * config/rs6000/rs6000.c (print_operand): Rearrange addends in
 854         toc relative expressions as we do in print_operand_address.
 855
 856 2011-01-30  Kazu Hirata  <kazu@codesourcery.com>
 857
 858         * doc/extend.texi: Follow spelling conventions.
 859         * doc/invoke.texi: Fix a typo.
 860
 861 2011-01-30  Joseph Myers  <joseph@codesourcery.com>
 862
 863         * config/hpux11.opt: New.
 864         * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*,
 865         ia64*-*-hpux*): Use hpux11.opt.
 866
 867 2011-01-30  Jonathan Yong <jon_y@users.sourceforge.net>
 868
 869         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add t-dfprules
 870         to tmake_file.
 871
 872 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
 873
 874         * doc/install.texi (hppa-hp-hpux10): Remove references to HP
 875         support sites.
 876
 877 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
 878
 879         * doc/install.texi (Binaries): Remove outdated reference for
 880         Motorola 68HC11/68HC12 downloads.
 881
 882 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
 883
 884         * doc/extend.texi (Thread-Local): Adjust reference to Ulrich
 885         Drepper's paper.
 886
 887 2011-01-29  Jonathan Wakely  <jwakely.gcc@gmail.com>
 888
 889         PR bootstrap/47147
 890         * ginclude/stddef.h: Check for _X86_64_ANSI_H_ and _I386_ANSI_H_ as
 891         used by NetBSD.
 892
 893 2011-01-28  Ahmad Sharif  <asharif@google.com>
 894
 895         * value-prof.c (check_counter): Corrected error message.
 896
 897 2011-01-29  Jie Zhang  <jie@codesourcery.com>
 898
 899         * config/arm/arm.c (arm_legitimize_reload_address): New.
 900         * config/arm/arm.h (ARM_LEGITIMIZE_RELOAD_ADDRESS): Use
 901         arm_legitimize_reload_address.
 902         * config/arm/arm-protos.h (arm_legitimize_reload_address): Declare.
 903
 904 2011-01-28  Ian Lance Taylor  <iant@google.com>
 905
 906         * godump.c (go_define): Ignore macros whose definitions include
 907         two adjacent operands.
 908
 909 2011-01-28  Jakub Jelinek  <jakub@redhat.com>
 910
 911         PR target/42894
 912         * varasm.c (force_const_mem): Store copy of x in desc->constant
 913         instead of x itself.
 914         * expr.c (emit_move_insn): Add a copy of y_cst instead of y_cst
 915         itself into REG_EQUAL note.
 916
 917 2011-01-28  Joseph Myers  <joseph@codesourcery.com>
 918
 919         * config/freebsd.opt (posix, rdynamic): New Driver options.
 920
 921 2011-01-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 922
 923         * configure.ac (gcc_cv_ld_static_dynamic): IRIX 6 ld supports
 924         -Bstatic/-Bdynamic.
 925         * configure: Regenerate.
 926
 927 2011-01-27  Joseph Myers  <joseph@codesourcery.com>
 928
 929         * config/rs6000/sysv4.h (LIB_NETBSD_SPEC): Don't handle -profile.
 930         * config/rs6000/vxworks.h (CC1_SPEC): Don't handle -profile.
 931
 932 2011-01-27  Anatoly Sokolov  <aesok@post.ru>
 933
 934         * config/s390/s390.h (PREFERRED_RELOAD_CLASS): Remove.
 935         * config/s390/s390-protos.h (s390_preferred_reload_class): Remove.
 936         * config/s390/s390.c (TARGET_PREFERRED_RELOAD_CLASS): Define.
 937         (s390_preferred_reload_class): Make static. Change return and
 938         'rclass' argument type to reg_class_t.
 939
 940 2011-01-27  Jan Hubicka  <jh@suse.cz>
 941
 942         PR middle-end/46949
 943         * cgraphunit.c (process_common_attributes): Fix use of remove_attribute.
 944         (process_function_and_variable_attributes): Check defined weakrefs.
 945
 946 2011-01-27  Martin Jambor  <mjambor@suse.cz>
 947
 948         PR tree-optimization/47228
 949         * tree-sra.c (sra_modify_assign): Use build_ref_for_model instead of
 950         build_ref_for_offset.
 951
 952 2011-01-27  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 953
 954         * config/spu/spu-elf.h (ASM_SPEC): Remove.
 955
 956 2011-01-26  Mikael Pettersson <mikpe@it.uu.se>
 957
 958         PR rtl-optimization/46856
 959         * postreload.c (reload_combine_recognize_const_pattern): Do not
 960         separate cc0 setter and user on cc0 targets.
 961
 962 2011-01-26  Nicola Pero  <nicola.pero@meta-innovation.com>
 963
 964         PR c/43082
 965         * c-typeck.c (c_objc_common_truthvalue_conversion): If we are
 966         passed a VOID_TYPE expression, immediately emit an error and
 967         return error_mark_node.
 968
 969 2011-01-26  Jeff Law  <law@redhat.com>
 970
 971         PR rtl-optimization/47464
 972         * df-problems.c (can_move_insn_across): Use may_trap_or_fault_p
 973         rather than may_trap_p as needed.
 974
 975 2011-01-26  DJ Delorie  <dj@redhat.com>
 976
 977         PR rtl-optimization/46878
 978         * combine.c (insn_a_feeds_b): Check for the implicit cc0
 979         setter/user dependency as well.
 980
 981 2011-01-26  Eric Botcazou  <ebotcazou@adacore.com>
 982
 983         PR rtl-optimization/44469
 984         * cfgcleanup.c (try_optimize_cfg): Iterate in CFG layout mode too
 985         after removing trivially dead basic blocks.
 986
 987 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
 988
 989         * config/bfin/bfin.h (LINK_SPEC): Remove %{Qy:} %{!Qn:-Qy}.
 990         * config/frv/frv.h (LINK_SPEC): Likewise.
 991         * config/i386/netware.h (LINK_SPEC): Likewise.
 992         * config/m68k/linux.h (ASM_SPEC): Likewise.
 993         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
 994         * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
 995         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
 996         * config/sparc/linux.h (ASM_SPEC): Likewise.
 997         * config/sparc/linux64.h (ASM_SPEC): Likewise.
 998         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
 999
1000 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
1001
1002         * config/bfin/bfin.h (ASM_SPEC): Remove %{Ym,*}.
1003         * config/frv/frv.h (ASM_SPEC): Likewise.
1004         * config/m68k/linux.h (ASM_SPEC): Likewise.
1005         * config/pa/pa-linux.h (ASM_SPEC): Likewise.
1006         * config/rs6000/linux64.h (ASM_SPEC): Likewise.
1007         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
1008         * config/sparc/linux.h (ASM_SPEC): Likewise.
1009         * config/sparc/linux64.h (ASM_SPEC): Likewise.
1010         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
1011
1012 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
1013
1014         * config/bfin/bfin.h (LINK_SPEC): Remove %{YP,*}.
1015         * config/frv/frv.h (LINK_SPEC): Likewise.
1016         * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
1017
1018 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
1019
1020         * config/bfin/bfin.h (ASM_SPEC): Remove %{Yd,*}.
1021         * config/frv/frv.h (ASM_SPEC): Likewise.
1022         * config/i386/sol2-10.h (ASM_SPEC): Likewise.
1023         * config/m68k/linux.h (ASM_SPEC): Likewise.
1024         * config/pa/pa-linux.h (ASM_SPEC): Likewise.
1025         * config/rs6000/linux64.h (ASM_SPEC32): Likewise.
1026         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
1027         * config/sol2.h (ASM_SPEC): Remove comment about -Yd,.
1028         * config/sparc/linux.h (ASM_SPEC): Likewise.
1029         * config/sparc/linux64.h (ASM_SPEC): Likewise.
1030         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
1031         * config/sparc/sysv4.h (ASM_SPEC): Remove %{Yd,*}.
1032
1033 2011-01-26  Steve Ellcey  <sje@cup.hp.com>
1034
1035         PR target/46997
1036         * config/ia64/vect.md (mulv2si3): Enable and fix for TARGET_BIG_ENDIAN.
1037         (*mux2): Ditto.
1038         (vec_extract_evenodd_help): Ditto.
1039         (vec_extract_evenv4hi): Ditto.
1040         (vec_extract_oddv4hi): Ditto.
1041         (vec_interleave_lowv2si): Ditto.
1042         (vec_interleave_highv2si): Ditto.
1043         (vec_extract_evenv2si): Ditto.
1044         (vec_extract_oddv2si: Ditto.
1045         (vec_pack_trunc_v2si): Ditto.
1046
1047 2011-01-22  Jan Hubicka  <jh@suse.cz>
1048
1049         PR target/47237
1050         * cgraph.h (cgraph_local_info): New field can_change_signature.
1051         * ipa-cp.c (ipcp_update_callgraph): Only compute args_to_skip if callee
1052         signature can change.
1053         (ipcp_estimate_growth): Call sequence simplify only if calle signature
1054         can change.
1055         (ipcp_insert_stage): Only compute args_to_skip if signature can change.
1056         (cgraph_function_versioning): We can not change signature of functions
1057         that don't allow that.
1058         * lto-cgraph.c (lto_output_node): Stream local.can_change_signature.
1059         (lto_input_node): Likewise.
1060         * ipa-inline.c (compute_inline_parameters): Compute
1061         local.can_change_signature.
1062         * ipa-split.c (visit_bb): Never split away APPLY_ARGS.
1063         * tree-sra.c (ipa_sra_preliminary_function_checks): Give up on
1064         functions that can not change signature.
1065         * i386.c (ix86_function_regparm, ix86_function_sseregparm,
1066         init_cumulative_args): Do not use local calling conventions
1067         for functions that can not change signature.
1068
1069 2011-01-22  Jan Hubicka  <jh@suse.cz>
1070
1071         * doc/invoke.texi (hot-bb-frequency-fraction): Commit forgotten hunk.
1072
1073 2011-01-26  Richard Guenther  <rguenther@suse.de>
1074
1075         PR tree-optimization/47190
1076         * cgraphunit.c (process_common_attributes): New function.
1077         (process_function_and_variable_attributes): Use it.
1078
1079 2011-01-26  Richard Guenther  <rguenther@suse.de>
1080
1081         PR lto/47423
1082         * cgraphbuild.c (record_eh_tables): Record reference to personality
1083         function.
1084
1085 2011-01-26  Alexandre Oliva  <aoliva@redhat.com>
1086
1087         PR debug/45454
1088         * sel-sched.c (moveup_expr): Don't let debug insns prevent
1089         non-debug insns from moving up.
1090
1091 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
1092
1093         PR target/40125
1094         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Select suitable
1095         t-dlldir{,-x} fragment for build and add it to tmake_file.
1096         (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1097         * Makefile.in (libgcc.mvars): Also export SHLIB_DLLDIR to libgcc.
1098         * config/i386/t-dlldir: New file.
1099         (SHLIB_DLLDIR): Define.
1100         * config/i386/t-dlldir-x: New file.
1101         (SHLIB_DLLDIR): Define.
1102         * config/i386/t-cygming: Error out if SHLIB_DLLDIR is not set.
1103         (SHLIB_INSTALL): Use it.
1104
1105 2011-01-26  Chung-Lin Tang  <cltang@codesourcery.com>
1106
1107         PR target/47246
1108         * config/arm/arm.c (thumb2_legitimate_index_p): Change the
1109         lower bound of the allowed Thumb-2 coprocessor load/store
1110         index range to -256. Add explaining comment.
1111
1112 2011-01-25  Ian Lance Taylor  <iant@google.com>
1113
1114         * godump.c (go_define): Improve lexing of macro expansion to only
1115         accept expressions which match Go spec.
1116
1117 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
1118
1119         PR c++/43601
1120         * tree.c (handle_dll_attribute): Handle it.
1121         * doc/extend.texi (@item dllexport): Mention it.
1122         * doc/invoke.texi (@item -fno-keep-inline-dllexport): Document it.
1123
1124 2011-01-25  Ian Lance Taylor  <iant@google.com>
1125
1126         PR tree-optimization/26854
1127         * c-decl.c (struct c_scope): Add field has_jump_unsafe_decl.
1128         (decl_jump_unsafe): Move higher in file, with no other change.
1129         (bind): Set has_jump_unsafe_decl if appropriate.
1130         (update_label_decls): Test has_jump_unsafe_decl to avoid loop.
1131         (check_earlier_gotos): Likewise.
1132         (c_check_switch_jump_warnings): Likewise.
1133
1134 2011-01-25  Jonathan Wakely  <jwakely.gcc@gmail.com>
1135
1136         * doc/invoke.texi (Warning Options): Add missing hyphen.
1137         (-fprofile-dir): Minor grammatical fixes.
1138         (-fbranch-probabilities): Likewise.
1139
1140 2011-01-25  Alexandre Oliva  <aoliva@redhat.com>
1141
1142         PR debug/45136
1143         PR debug/45130
1144         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
1145         debug insns.
1146         (no_real_insns_p, schedule_block, set_priorities): Drop special
1147         treatment of boundary debug insns.
1148         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
1149         * sched-ebb.c (schedule_ebbs): Don't skip debug insns.
1150         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
1151         (BOUNDARY_DEBUG_INSN_P): Likewise.
1152         (SCHEDULE_DEBUG_INSN_P): Likewise.
1153         * sched-rgn.c (init_ready_list): Drop special treatment of
1154         boundary debug insns.
1155         * final.c (rest_of_clean-state): Clear notes' BB.
1156
1157 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1158
1159         * Makefile.in (LAMBDA_H): Removed.
1160         (TREE_DATA_REF_H): Remove dependence on LAMBDA_H.
1161         (OBJS-common): Remove dependence on lambda-code.o, lambda-mat.o,
1162         lambda-trans.o, and tree-loop-linear.o.
1163         (lto-symtab.o): Remove dependence on LAMBDA_H.
1164         (tree-loop-linear.o): Remove rule.
1165         (lambda-mat.o): Same.
1166         (lambda-trans.o): Same.
1167         (lambda-code.o): Same.
1168         (tree-vect-loop.o): Add missing dependence on TREE_DATA_REF_H.
1169         (tree-vect-slp.o): Same.
1170         * hwint.h (gcd): Moved here.
1171         (least_common_multiple): Same.
1172         * lambda-code.c: Removed.
1173         * lambda-mat.c: Removed.
1174         * lambda-trans.c: Removed.
1175         * lambda.h: Removed.
1176         * tree-loop-linear.c: Removed.
1177         * lto-symtab.c: Do not include lambda.h.
1178         * omega.c (gcd): Removed.
1179         * passes.c (init_optimization_passes): Remove pass_linear_transform.
1180         * tree-data-ref.c (print_lambda_vector): Moved here.
1181         (lambda_vector_copy): Same.
1182         (lambda_matrix_copy): Same.
1183         (lambda_matrix_id): Same.
1184         (lambda_vector_first_nz): Same.
1185         (lambda_matrix_row_add): Same.
1186         (lambda_matrix_row_exchange): Same.
1187         (lambda_vector_mult_const): Same.
1188         (lambda_vector_negate): Same.
1189         (lambda_matrix_row_negate): Same.
1190         (lambda_vector_equal): Same.
1191         (lambda_matrix_right_hermite): Same.
1192         * tree-data-ref.h: Do not include lambda.h.
1193         (lambda_vector): Moved here.
1194         (lambda_matrix): Same.
1195         (dependence_level): Same.
1196         (lambda_transform_legal_p): Removed declaration.
1197         (lambda_collect_parameters): Same.
1198         (lambda_compute_access_matrices): Same.
1199         (lambda_vector_gcd): Same.
1200         (lambda_vector_new): Same.
1201         (lambda_vector_clear): Same.
1202         (lambda_vector_lexico_pos): Same.
1203         (lambda_vector_zerop): Same.
1204         (lambda_matrix_new): Same.
1205         * tree-flow.h (least_common_multiple): Removed declaration.
1206         * tree-parloops.c (lambda_trans_matrix): Moved here.
1207         (LTM_MATRIX): Same.
1208         (LTM_ROWSIZE): Same.
1209         (LTM_COLSIZE): Same.
1210         (LTM_DENOMINATOR): Same.
1211         (lambda_trans_matrix_new): Same.
1212         (lambda_matrix_vector_mult): Same.
1213         (lambda_transform_legal_p): Same.
1214         * tree-pass.h (pass_linear_transform): Removed declaration.
1215         * tree-ssa-loop.c (tree_linear_transform): Removed.
1216         (gate_tree_linear_transform): Removed.
1217         (pass_linear_transform): Removed.
1218         (gate_graphite_transforms): Make flag_tree_loop_linear an alias of
1219         flag_loop_interchange.
1220
1221 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
1222
1223         PR tree-optimization/47265
1224         PR tree-optimization/47443
1225         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Return false
1226         if name still has some uses.
1227
1228 2011-01-25  Martin Jambor  <mjambor@suse.cz>
1229
1230         PR tree-optimization/47382
1231         * gimple-fold.c (gimple_fold_obj_type_ref_call): Removed.
1232         (gimple_fold_call): Do not call gimple_fold_obj_type_ref_call.
1233
1234 2011-01-25  Joel Sherrill <joel.sherrill@oarcorp.com>
1235
1236         * config/m32r/m32r.c: Define TARGET_EXCEPT_UNWIND_INFO to
1237         sjlj_except_unwind_info.
1238
1239 2011-01-25  Richard Guenther  <rguenther@suse.de>
1240
1241         PR tree-optimization/47426
1242         * tree-ssa-structalias.c (ipa_pta_execute): Make externally
1243         visible functions results escape.
1244
1245 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
1246
1247         PR target/45701
1248         * config/arm/arm.c (any_sibcall_uses_r3): New function.
1249         (arm_get_frame_offsets): Use it.
1250
1251 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1252             Jakub Jelinek  <jakub@redhat.com>
1253
1254         PR tree-optimization/47271
1255         * tree-if-conv.c (bb_postdominates_preds): New.
1256         (if_convertible_bb_p): Call bb_postdominates_preds.
1257         (if_convertible_loop_p_1): Compute CDI_POST_DOMINATORS.
1258         (predicate_scalar_phi): Call bb_postdominates_preds.
1259
1260 2011-01-25  Nick Clifton  <nickc@redhat.com>
1261
1262         * config/rx/rx.h (LIBCALL_VALUE): Do not promote complex types.
1263         * config/rx/rx.c (rx_function_value): Likewise.
1264         (rx_promote_function_mode): Likewise.
1265         (gen_safe_add): Place an outsized immediate value inside an UNSPEC
1266         in order to make it legitimate.
1267         * config/rx/rx.md (adddi3_internal): If the second operand is a MEM
1268         make sure that the first operand is the same as the result register.
1269         (addsi3_unspec): Delete.
1270         (subdi3): Do not accept immediate operands.
1271         (subdi3_internal): Likewise.
1272
1273 2011-01-25  Jeff Law  <law@redhat.com>
1274
1275         PR rtl-optimization/37273
1276         * ira-costs.c (scan_one_insn): Detect constants living in memory and
1277         handle them like argument loads from stack slots.  Do not double
1278         count memory for memory constants and argument loads from stack slots.
1279
1280 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
1281
1282         PR tree-optimization/47427
1283         PR tree-optimization/47428
1284         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
1285         coalesce if the new root var would be TREE_READONLY.
1286
1287 2011-01-25  Richard Guenther  <rguenther@suse.de>
1288
1289         PR middle-end/47414
1290         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Use the
1291         correct type for TBAA.
1292
1293 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1294
1295         * graphite-sese-to-poly.c (dr_indices_valid_in_loop): New.
1296         (close_phi_written_to_memory): Call for_each_index with
1297         dr_indices_valid_in_loop.
1298
1299 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1300
1301         * graphite-sese-to-poly.c (new_pbb_from_pbb): Only copy PBB_DOMAIN
1302         when it is initialized.
1303
1304 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1305
1306         * graphite-scop-detection.c (stmt_has_simple_data_refs_p): Update
1307         call to graphite_find_data_references_in_stmt.
1308         * graphite-sese-to-poly.c (outermost_loop_in_sese_1): New.
1309         (try_generate_gimple_bb): Call outermost_loop_in_sese_1.  Update
1310         call to graphite_find_data_references_in_stmt.
1311         (analyze_drs_in_stmts): Same.
1312         * tree-data-ref.c (dr_analyze_indices): Pass in parameter the loop
1313         in which the scalar analysis of indices is performed.
1314         (create_data_ref): Same.  Update call to dr_analyze_indices.
1315         (find_data_references_in_stmt): Update call to create_data_ref.
1316         (graphite_find_data_references_in_stmt): Same.
1317         * tree-data-ref.h (graphite_find_data_references_in_stmt): Update
1318         declaration.
1319         (create_data_ref): Same.
1320         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Update
1321         call to create_data_ref.
1322
1323 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1324
1325         * graphite-sese-to-poly.c (build_poly_scop): Move
1326         rewrite_commutative_reductions_out_of_ssa before find_scop_parameters.
1327
1328 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1329
1330         * graphite-sese-to-poly.c (close_phi_written_to_memory): Also allow
1331         VAR_DECL, PARM_DECL, and RESULT_DECL.
1332
1333 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1334
1335         * graphite-dependences.c (reduction_dr_1): Allow several reductions
1336         in a reduction PBB.
1337         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split PBBs
1338         that have already been marked as PBB_IS_REDUCTION.
1339
1340 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1341
1342         * graphite-scop-detection.c (same_close_phi_node): New.
1343         (remove_duplicate_close_phi): New.
1344         (make_close_phi_nodes_unique): New.
1345         (canonicalize_loop_closed_ssa): Call make_close_phi_nodes_unique.
1346
1347 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1348
1349         * graphite-dependences.c (new_poly_ddr): Call same_pdr_p.
1350         * graphite-poly.h (same_pdr_p): Do not expect that the PDR_TYPE
1351         of both data references to be the same.
1352
1353 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1354
1355         * graphite-dependences.c (build_lexicographical_constraint): Remove
1356         the gdim parameter.
1357         (build_lexicographical_constraint): Adjust call to
1358         ppl_powerset_is_empty.
1359         (dependence_polyhedron): Same.
1360         (graphite_legal_transform_dr): Same.
1361         (graphite_carried_dependence_level_k): Same.
1362         * graphite-ppl.c (ppl_powerset_is_empty): Remove the nb_params
1363         parameter.
1364         * graphite-ppl.h (ppl_powerset_is_empty): Adjust declaration.
1365
1366 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1367
1368         * graphite-sese-to-poly.c
1369         (translate_scalar_reduction_to_array_for_stmt): Call unshare_expr.
1370         (close_phi_written_to_memory): New.
1371         (translate_scalar_reduction_to_array): Call close_phi_written_to_memory
1372         and unshare_expr.
1373
1374 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1375
1376         * doc/install.texi: Update the expected version number of PPL to 0.11.
1377         * graphite-ppl.c (ppl_powerset_is_empty): Remove now dead code under
1378         #if PPL_VERSION_MINOR < 11.
1379
1380 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1381
1382         * graphite-dependences.c: Include graphite-cloog-util.h.
1383         (new_poly_ddr): Inlined into dependence_polyhedron.
1384         (free_poly_ddr): Moved close by new_poly_ddr.
1385         (dependence_polyhedron_1): Renamed dependence_polyhedron.
1386         Early return NULL when ppl_powerset_is_empty returns true.
1387         (dependence_polyhedron): Renamed new_poly_ddr.  Call only once
1388         poly_drs_may_alias_p.  Avoid one call to ppl_powerset_is_empty.
1389         (graphite_legal_transform_dr): Call new_poly_ddr.
1390         (graphite_carried_dependence_level_k): Same.
1391         (dot_original_deps_stmt_1): Renamed dot_deps_stmt_2.  Use new_poly_ddr.
1392         (dot_transformed_deps_stmt_1): Removed.
1393         (dot_deps_stmt_1): Call dot_deps_stmt_2.
1394         (dot_original_deps): Renamed dot_deps_2.  Call new_poly_ddr.
1395         (dot_deps_1): Call dot_deps_2.
1396         * Makefile.in (graphite-dependences.o): Add missing dependence on
1397         graphite-cloog-util.h.
1398
1399 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1400
1401         * graphite-dependences.c (new_poly_dr): Call ppl_powerset_is_empty.
1402         (build_lexicographical_constraint): Same.
1403         (dependence_polyhedron_1): Same.
1404         (graphite_legal_transform_dr): Same.
1405         (graphite_carried_dependence_level_k): Same.
1406         * graphite-ppl.c (ppl_powerset_is_empty): New.
1407         * graphite-ppl.h (ppl_powerset_is_empty): Declared.
1408         * tree-data-ref.c (dump_data_reference): Print the basic block index.
1409
1410 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1411
1412         * graphite-dependences.c (build_pairwise_scheduling): Correctly compute
1413         the "a followed by b" relation and document it.
1414
1415 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1416
1417         * graphite-dependences.c (build_lexicographical_constraint): Stop the
1418         iteration when the bag of constraints is empty.
1419
1420 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1421
1422         * graphite-poly.c (pbb_remove_duplicate_pdrs): Make it work.
1423
1424 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1425
1426         * graphite-interchange.c (lst_interchange_profitable_p): Takes a loop
1427         nest and two loop depths as parameters.
1428         (lst_try_interchange_loops): Call lst_interchange_profitable_p after
1429         lst_perfect_nestify.
1430
1431 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1432
1433         * graphite-dependences.c (print_pddr): Call
1434         ppl_io_fprint_Pointset_Powerset_C_Polyhedron.
1435
1436 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1437
1438         * graphite-ppl.c (debug_gmp_value): New.
1439         * graphite-ppl.h (debug_gmp_value): Declared.
1440
1441 2011-01-25  Tobias Grosser  <grosser@fim.uni-passau.de>
1442
1443         * doc/install.texi: Document availability of cloog-0.16.
1444
1445 2011-01-25  Vladimir Kargov  <kargov@gmail.com>
1446
1447         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Free
1448         invalid postdominance info.
1449
1450 2011-01-24  Jan Hubicka  <jh@suse.cz>
1451
1452         PR c/21659
1453         * doc/extend.texi (weak pragma): Drop claim that it must
1454         appear before definition.
1455         * varasm.c (merge_weak, declare_weak): Only sanity check
1456         that DECL is not output at a time it is declared weak.
1457
1458 2011-01-24  Kenneth Zadeck  <zadeck@naturalbridge.com>
1459
1460         * machmode.def: Fixed comments.
1461
1462 2011-01-24  Kai Tietz  <kai.tietz@onevision.com>
1463
1464         * emit-rtl.c (reg_attrs_htab_hash): Replace long by intptr_t.
1465
1466 2011-01-24  Paul Koning  <ni1d@arrl.net>
1467
1468         * builtins.c (c_readstr): Fix byte order if BYTES_BIG_ENDIAN !=
1469         WORDS_BIG_ENDIAN.
1470
1471 2011-01-24  H.J. Lu  <hongjiu.lu@intel.com>
1472
1473         PR target/46519
1474         * config/i386/i386.c: Include sbitmap.h and fibheap.h.
1475         (block_info): Add scanned and prev.
1476         (move_or_delete_vzeroupper_2): Return if the basic block
1477         has been scanned and the upper 128bit state is unchanged
1478         from the last scan.
1479         (move_or_delete_vzeroupper_1): Return true if the exit
1480         state is changed.
1481         (move_or_delete_vzeroupper): Visit basic blocks using the
1482         work-list based algorithm based on vt_find_locations in
1483         var-tracking.c.
1484
1485         * config/i386/t-i386: Also depend on sbitmap.h and $(FIBHEAP_H).
1486
1487 2011-01-24  Nick Clifton  <nickc@redhat.com>
1488
1489         * config/v850/v850.opt (mv850es): New option - alias for -mv850e1.
1490         * config/v850/v850.h (ASM_SPEC): If -mv850es is specified pass
1491         -mv850e1 to the assembler.  If -mv850e1 or -mv850es is specified
1492         then define __v850e1__.
1493         * doc/invoke.texi: Document -mv850es.
1494
1495 2011-01-24  Richard Henderson  <rth@redhat.com>
1496
1497         * config/rx/predicates.md (rx_fp_comparison_operator): Don't accept
1498         compound unordered comparisons.
1499         * config/rx/rx.c (rx_split_fp_compare): Remove.
1500         * config/rx/rx-protos.h: Update.
1501         * config/rx/rx.md (gcc_conds, rx_conds): Remove.
1502         (cbranchsf4): Don't call rx_split_fp_compare.
1503         (*cbranchsf4): Use rx_split_cbranch.
1504         (*cmpsf): Don't accept "i" constraint.
1505         (*conditional_branch): Only valid after reload.
1506         (cstoresf4): Merge expander with insn.  Don't call rx_split_fp_compare.
1507
1508 2011-01-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
1509
1510         PR target/47385
1511         * config/rs6000/altivec.md (vector constant splitters): Add
1512         support for creating vector single precision constants if -mvsx is
1513         used and we would create the constant using Altivec primitives.
1514
1515 2011-01-23  Bernd Schmidt  <bernds@codesourcery.com>
1516             Richard Sandiford  <rdsandiford@googlemail.com>
1517
1518         PR rtl-optimization/47166
1519         * reload1.c (emit_reload_insns): Disable the spill_reg_store
1520         mechanism for PRE_MODIFY and POST_MODIFY.
1521         (inc_for_reload): For PRE_MODIFY, return the insn that sets the
1522         reloadreg.
1523
1524 2011-01-23  Andreas Schwab  <schwab@linux-m68k.org>
1525
1526         * compare-elim.c (maybe_select_cc_mode): Add ATTRIBUTE_UNUSED markers.
1527
1528 2011-01-22  Jan Hubicka  <jh@suse.cz>
1529
1530         PR lto/47333
1531         * lto-cgraph.c (reachable_from_this_partition_p): Fix pasto.
1532
1533 2011-01-22  Jan Hubicka  <jh@suse.cz>
1534
1535         PR tree-optimization/43884
1536         PR lto/44334
1537         * predict.c (maybe_hot_frequency_p): Use entry block frequency as base.
1538         * doc/invoke.texi (hot-bb-frequency-fraction): Update docs.
1539
1540 2011-01-22  Anatoly Sokolov  <aesok@post.ru>
1541
1542         * config/s390/s390.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
1543         * config/s390/s390.c (s390_register_move_cost,
1544         s390_memory_move_cost): New.
1545         (TARGET_REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Define.
1546
1547 2011-01-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1548
1549         PR middle-end/47401
1550         * except.c (sjlj_assign_call_site_values): Move setting the
1551         crtl->uses_eh_lsda flag to ...
1552         (sjlj_mark_call_sites): ... here.
1553         (sjlj_emit_function_enter): Support NULL dispatch label.
1554         (sjlj_build_landing_pads): In a function with no landing pads
1555         that still has must-not-throw regions, generate code to register
1556         a personality function with empty LSDA.
1557
1558 2011-01-21  Richard Henderson  <rth@redhat.com>
1559
1560         * config/rx/rx.c (TARGET_FLAGS_REGNUM): New.
1561
1562         * config/mn10300/mn10300.c (TARGET_FLAGS_REGNUM): New.
1563
1564         * compare-elim.c: New file.
1565         * Makefile.in (OBJS-common): Add it.
1566         (compare-elim.o): New.
1567         * common.opt (fcompare-elim): New.
1568         * opts.c (default_options_table): Add OPT_fcompare_elim.
1569         * tree-pass.h (pass_compare_elim_after_reload): New.
1570         * passes.c (init_optimization_passes): Add it.
1571         * recog.h: Protect against re-inclusion.
1572         * target.def (TARGET_FLAGS_REGNUM): New POD hook.
1573         * doc/invoke.texi (-fcompare-elim): Document it.
1574         * doc/tm.texi.in (TARGET_FLAGS_REGNUM): Document it.
1575         * doc/tm.texi: Rebuild.
1576
1577 2011-01-22  Nick Clifton  <nickc@redhat.com>
1578
1579         * config/rx/rx.md (cstoresf4): Pass comparison operator to
1580         rx_split_fp_compare.
1581
1582 2011-01-22  Nick Clifton  <nickc@redhat.com>
1583
1584         * config/rx/rx.md (UNSPEC_CONST): New.
1585         (deallocate_and_return): Wrap the amount popped off the stack in
1586         an UNSPEC_CONST in order to stop it being rejected by
1587         -mmax-constant-size.
1588         (pop_and_return): Add a "(return)" rtx.
1589         (call): Drop the immediate operand.
1590         (call_internal): Likewise.
1591         (call_value): Likewise.
1592         (call_value_internal): Likewise.
1593         (sibcall_internal): Likewise.
1594         (sibcall_value_internal): Likewise.
1595         (sibcall): Likewise.  Generate an explicit call using
1596         sibcall_internal.
1597         (sibcall_value): Likewise.
1598         (mov<>): FAIL if a constant operand is not legitimate.
1599         (addsi3_unpsec): New pattern.
1600
1601         * config/rx/rx.c (rx_print_operand_address): Handle UNSPEC CONSTs.
1602         (ok_for_max_constant): New function.
1603         (gen_safe_add): New function.
1604         (rx_expand_prologue): Use gen_safe_add.
1605         (rx_expand_epilogue): Likewise.
1606         (rx_is_legitimate_constant): Use ok_for_max_constant.  Handle
1607         UNSPEC CONSTs.
1608
1609 2011-01-21  Jeff Law  <law@redhat.com>
1610
1611         PR tree-optimization/47053
1612         * tree-ssa-dse.c (need_eh_cleanup): New bitmap.
1613         (dse_optimize_stmt): Set the appropriate bit in NEED_EH_CLEANUP when
1614         statements are deleted.
1615         (tree_ssa_dse): Allocate & free NEED_EH_CLEANUP.  If NEED_EH_CLEANUP
1616         is nonempty, then purge dead edges and cleanup the CFG.
1617
1618 2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
1619
1620         PR debug/47402
1621         Temporarily revert:
1622         2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
1623         PR debug/47106
1624         * tree-dfa.c (create_var_ann): Mark variable as used.
1625
1626 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
1627
1628         PR middle-end/45566
1629         * except.c (convert_to_eh_region_ranges): Emit queued no-region
1630         notes from other section in hot/cold partitioning even if
1631         last_action is -3.  Increment call_site_base.
1632
1633         PR rtl-optimization/47366
1634         * fwprop.c (forward_propagate_into): Return bool.  If
1635         any changes are made, -fnon-call-exceptions is used and
1636         REG_EH_REGION note is present, call purge_dead_edges
1637         and return true if it purged anything.
1638         (fwprop_addr): Adjust callers, call cleanup_cfg (0) if
1639         any EH edges were purged.
1640
1641 2011-01-21  Jeff Law  <law@redhat.com>
1642
1643         PR rtl-optimization/41619
1644         * caller-save.c (setup_save_areas): Break out code to determine
1645         which hard regs are live across calls by examining the reload chains
1646         so that it is always used.
1647         Eliminate code which checked REG_N_CALLS_CROSSED.
1648
1649 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
1650
1651         PR tree-optimization/47355
1652         * tree-eh.c (cleanup_empty_eh_merge_phis): Give up if
1653         NOP has non-debug uses beyond PHIs in new_bb.
1654
1655 2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
1656
1657         PR debug/47106
1658         * cfgexpand.c (account_used_vars_for_block): Only account vars
1659         that are annotated as used.
1660         (estimated_stack_frame_size): Don't set TREE_USED.
1661         * tree-dfa.c (create_var_ann): Mark variable as used.
1662
1663 2011-01-21  Richard Guenther  <rguenther@suse.de>
1664
1665         PR middle-end/47395
1666         * tree.def (WIDEN_MULT_MINUS_EXPR): Fix printed name.
1667
1668 2011-01-21  Richard Guenther  <rguenther@suse.de>
1669
1670         PR tree-optimization/47365
1671         * tree-ssa-sccvn.h (vn_lookup_kind): Declare.
1672         (vn_reference_lookup_pieces): Adjust.
1673         (vn_reference_lookup): Likewise.
1674         * tree-ssa-sccvn.c (vn_walk_kind): New static global.
1675         (vn_reference_lookup_3): Only look through kills if in
1676         VN_WALKREWRITE mode.
1677         (vn_reference_lookup_pieces): Adjust.
1678         (vn_reference_lookup): Likewise.
1679         (visit_reference_op_load): Likewise.
1680         (visit_reference_op_store): Likewise.
1681         * tree-ssa-pre.c (phi_translate_1): Use VN_WALK mode.
1682         (compute_avail): Likewise.
1683         (eliminate): Likewise.
1684
1685 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
1686
1687         * tree-ssa-live.c (remove_unused_scope_block_p): Don't remove
1688         DECL_IGNORED_P non-reg vars if they are used.
1689
1690         PR tree-optimization/47391
1691         * varpool.c (const_value_known_p): Return false if
1692         decl is volatile.
1693
1694 2011-01-21  Kai Tietz  <kai.tietz@onevision.com>
1695
1696         PR bootstrap/47215
1697         * config/i386/i386.c (ix86_local_alignment): Handle
1698         case for va_list_type_node is nil.
1699         (ix86_canonical_va_list_type): Likewise.
1700
1701 2011-01-21  Alan Modra  <amodra@gmail.com>
1702
1703         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Add
1704         builtin_define __CMODEL_MEDIUM__ and __CMODEL_LARGE__.
1705
1706 2011-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1707
1708         * config/arm/arm.md (define_attr type): Rename f_load
1709         and f_store to f_fpa_load and f_fpa_store. Update.
1710         (write_conflict): Deal with rename fallout.
1711         (*push_fp_multi): Likewise.
1712         * config/arm/fpa.md (f_load): Use f_fpa_load.
1713         (f_store): Use f_fpa_store.
1714         (*movsf_fpa): Likewise.
1715         (*movdf_fpa): Likewise.
1716         (*movxf_fpa): Likewise.
1717         (*thumb2_movsf_fpa): Likewise.
1718         (*thumb2_movdf_fpa): Likewise.
1719         (*thumb2_movxf_fpa): Likewise.
1720         * config/arm/vfp.md (*thumb2_movdf_vfp): Fix attribute to
1721         f_loadd and f_stored.
1722         (*thumb2_movdi_vfp): Likewise.
1723         (*thumb2_movsf_vfp): Fix attribute to f_loads.
1724         (*thumb2_movsi_vfp): Likewise.
1725         * config/arm/cortex-m4-fpu.md (cortex_m4_f_load):
1726         Use f_loads instead of f_load.
1727         * config/arm/cortex-a5.md (cortex_a5_f_loads): Remove f_load.
1728
1729 2011-01-20  Anatoly Sokolov  <aesok@post.ru>
1730
1731         * config/xtensa/xtensa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
1732         * config/xtensa/xtensa-protos.h (constantpool_address_p): Remove.
1733         * config/xtensa/xtensa.c (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
1734         (xtensa_mode_dependent_address_p): New function.
1735         (constantpool_address_p): Make static. Change return type to bool.
1736         Change argument type to const_rtx. Use CONST_INT_P predicate.
1737
1738 2011-01-20  Alexandre Oliva  <aoliva@redhat.com>
1739
1740         PR debug/46583
1741         * tree-ssa-live.c (remove_unused_scope_block_p): Keep type decls.
1742
1743 2011-01-20  Jakub Jelinek  <jakub@redhat.com>
1744
1745         PR debug/47283
1746         * cfgexpand.c (expand_debug_expr): Instead of generating
1747         (mem (debug_implicit_ptr)) for MEM_REFs use COMPONENT_REF
1748         etc. handling.
1749
1750 2011-01-20  Richard Guenther  <rguenther@suse.de>
1751
1752         PR middle-end/47370
1753         * tree-inline.c (remap_gimple_op_r): Recurse manually for
1754         the pointer operand of MEM_REFs.
1755
1756 2011-01-20  Jakub Jelinek  <jakub@redhat.com>
1757
1758         PR tree-optimization/46130
1759         * ipa-split.c (consider_split): If return_bb contains non-virtual
1760         PHIs other than for retval or if split_function would not adjust it,
1761         refuse to split.
1762
1763 2011-01-20  Richard Guenther  <rguenther@suse.de>
1764
1765         PR tree-optimization/47167
1766         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
1767         Revert previous change, only avoid enumeral type changes.
1768
1769 2011-01-19  Mike Stump  <mikestump@comcast.net>
1770
1771         * doc/tm.texi.in (BRANCH_COST): Englishify.
1772         * doc/tm.texi (BRANCH_COST): Likewise.
1773
1774 2011-01-19  Dodji Seketeli  <dodji@redhat.com>
1775
1776         PR c++/47291
1777         * dwarf2out.c (generic_type_p, schedule_generic_params_dies_gen)
1778         (gen_scheduled_generic_parms_dies): New functions.
1779         (gen_struct_or_union_type_die): Schedule template parameters DIEs
1780         generation for the end of CU compilation.
1781         (dwarf2out_finish): Generate template parameters DIEs here.
1782
1783 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
1784
1785         PR debug/46240
1786         * tree-into-ssa.c (maybe_register_def): Do not attempt to add
1787         debug bind stmt on merge edges.
1788
1789 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
1790
1791         PR debug/47079
1792         PR debug/46724
1793         * function.c (instantiate_expr): Instantiate incoming rtl of
1794         implicit arguments, and recurse on VALUE_EXPRs.
1795         (instantiate_decls): Instantiate rtl and VALUE_EXPR of result.
1796         * var-tracking.c (adjust_mems): Reject virtual_incoming_args_rtx.
1797
1798 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
1799
1800         * c-parser.c (c_parser_for_statement): Initialize
1801         collection_expression.
1802
1803 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
1804
1805         * config/spu/spu-elf.h (ASM_SPEC): Remove %{w:-W}.
1806
1807 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
1808
1809         * config/rs6000/sysv4.h (LINK_PATH_SPEC): Remove.
1810         (LINK_SHLIB_SPEC): Don't use %(link_path).
1811         (SUBTARGET_EXTRA_SPECS): Remove link_path.
1812
1813 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
1814
1815         * config/rs6000/sysv4.h (SHARED_LIB_SUPPORT): Remove conditional.
1816         (NO_SHARED_LIB_SUPPORT): Remove.
1817         (LINK_SHLIB_SPEC): Remove one conditional definition.
1818
1819 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
1820
1821         * config/mips/linux64.h (LINK_SPEC): Remove %{non_shared}
1822         %{call_shared}.
1823         * config/mips/mips.h (LINK_SPEC): Remove %{non_shared}.
1824         * config/mips/netbsd.h (LINK_SPEC): Remove %{call_shared}.
1825         * config/mips/openbsd.h (LINK_SPEC): Remove %{non_shared}
1826         %{call_shared} and conditionals on these options not being passed.
1827         * config/mips/sde.h (LINK_SPEC): Remove %{non_shared}
1828         %{call_shared}.
1829
1830 2011-01-19  Jakub Jelinek  <jakub@redhat.com>
1831
1832         * ipa-split.c (find_return_bb): Use single_pred_p/single_pred_edge,
1833         simplify.
1834
1835         * ipa-split.c: Spelling fixes.
1836
1837 2011-01-19  Richard Henderson  <rth@redhat.com>
1838
1839         * config/mn10300/mn10300.md (mulsi3): Use reg_or_am33_const_operand.
1840         (*mulsi3): Likewise.
1841
1842         * longlong.h [__mn10300__] (count_leading_zeros): New.
1843         [__mn10300__] (umul_ppmm, smul_ppmm): New.
1844         [__mn10300__] (add_ssaaaa, subddmmss): New.
1845         [__mn10300__] (udiv_qrnnd, sdiv_qrnnd): New.
1846         [__mn10300__] (UMUL_TIME, UDIV_TIME): New.
1847
1848 2011-01-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1849
1850         * config/spu/spu.h (MOVE_RATIO): Return 4 in the !speed case.
1851
1852 2011-01-19  Richard Henderson  <rth@redhat.com>
1853
1854         * config/mn10300/mn10300.md (addsi3_flags): New.
1855         (addc_internal, adddi3, adddi3_internal, *adddi3_degenerate): New.
1856         (subsi3_flags, subc_internal, subdi3): New.
1857         (subdi3_internal, *subdi3_degenerate): New.
1858         * config/mn10300/predicates.md (reg_or_am33_const_operand): New.
1859
1860         * config/mn10300/mn10300.c (mn10300_can_use_retf_insn): New.
1861         (mn10300_can_use_rets_insn): Rename from mn10300_can_use_return_insn.
1862         (mn10300_expand_epilogue): Use it.  Compute REG_SAVE_BYTES once.
1863         * config/mn10300/mn10300-protos.h: Update.
1864         * config/mn10300/mn10300.md (return): Use mn10300_can_use_retf_insn.
1865         (return_ret): Likewise.  Rename from return_internal_regs.
1866         (return_internal): Remove.
1867
1868         * config/mn10300/mn10300.c (mn10300_unspec_int_label_counter): Remove.
1869         (mn10300_asm_output_addr_const_extra): Don't handle UNSPEC_INT_LABEL.
1870         (mn10300_legitimate_constant_p): Likewise.
1871         (mn10300_can_use_return_insn): Use mn10300_initial_offset.
1872         (mn10300_frame_size): New.
1873         (mn10300_expand_prologue): Use it.
1874         (mn10300_expand_epilogue): Likewise.
1875         (mn10300_initial_offset): Likewise.
1876         * config/mn10300/mn10300-protos.h: Update.
1877         * config/mn10300/mn10300.h (mn10300_unspec_int_label_counter): Remove.
1878         * config/mn10300/mn10300.md (UNSPEC_INT_LABEL): Remove.
1879         (prologue, epilogue, return_internal): Tidy output code.
1880         (mn10300_store_multiple_operation, return): Likewise.
1881         (int_label, pop_pic_reg, GOTaddr2picreg): Remove.
1882         (am33_loadPC, mn10300_loadPC, call_next_insn): Remove.
1883         (add_GOT_to_pic_reg, add_GOT_to_any_reg): Remove.
1884         (load_pic, am33_load_pic): New.
1885         (mn10300_load_pic0, mn10300_load_pic1): New.
1886
1887         * config/mn10300/mn10300-modes.def (CCZN, CCZNC): New modes.
1888         * config/mn10300/mn10300.c (CC_FLAG_Z): New.
1889         (CC_FLAG_N, CC_FLAG_C, CC_FLAG_V): New.
1890         (cc_flags_for_mode, cc_flags_for_code): New.
1891         (mn10300_print_operand) ['B']: Use nc/ns for GE/LT when the
1892         overflow flag is not valid.  Validate that the flags we need
1893         for the comparison are valid.
1894         (mn10300_output_cmp): Remove.
1895         (mn10300_output_add): New.
1896         (mn10300_select_cc_mode): Use cc_flags_for_code.
1897         (mn10300_split_cbranch): New.
1898         (mn10300_match_ccmode): New.
1899         (mn10300_split_and_operand_count): New.
1900         * config/mn10300/mn10300.h (SELECT_CC_MODE): Pass all of the arguments
1901         to the function.
1902         * config/mn10300/mn10300.md (*am33_addsi3, *mn10300_addsi3): Merge...
1903         (addsi3): ... here.  Use mn10300_output_add.
1904         (*addsi3_flags): New.
1905         (*am33_subsi3, *mn10300_subsi3): Merge...
1906         (subsi3): ... here.  Use attribute isa.
1907         (*subsi3_flags): New.
1908         (negsi2): Rewrite from expander to insn_and_split.  Use NOT+INC
1909         when possible.
1910         (*am33_andsi3, *mn10300_andsi3): Merge...
1911         (andsi3): ... here.
1912         (*andsi3_flags): New.
1913         (andsi3 splitters): New.
1914         (*am33_iorsi3, *mn10300_iorsi3): Merge...
1915         (iorsi3): ... here.
1916         (*iorsi3_flags): New.
1917         (*am33_xorsi3, *mn10300_xorsi3): Merge...
1918         (xorsi3): ... here.
1919         (*xorsi3_flags): New.
1920         (*am33_cmpsi2, *mn10300_cmplsi2): Merge...
1921         (one_cmplsi2): ... here.
1922         (*one_cmplsi2_flags): New.
1923         (*cbranchsi4_cmp): Rename from cbranchsi4_post_reload.  Use "r"
1924         instead of "dax" in constraints.  Use mn10300_split_cbranch.
1925         (*cmpsi): Rename from cmpsi.  Do not use mn10300_output_cmp.  Do not
1926         use matching constraints to eliminate a self-comparison.
1927         (*integer_conditional_branch): Rename from integer_conditional_branch.
1928         Use int_mode_flags to match CC_REG.
1929         (*cbranchsi4_btst, *btstsi): New.
1930         (*cbranchsf4_cmp): Rename from *cbranchsf4_post_reload.  Use
1931         mn10300_split_cbranch.
1932         (*am33_cmpsf): Rename from am33_cmpsf.
1933         (*float_conditional_branch): Rename from float_conditional_branch.
1934         (*zero_extendqisi2_am33, *zero_extendqisi2_mn10300): Merge...
1935         (zero_extendqisi2): ... here.
1936         (*zero_extendhisi2_am33, *zero_extendhisi2_mn10300): Merge...
1937         (zero_extendhisi2): ... here.
1938         (*extendqisi2_am33, *extendqisi2_mn10300): Merge...
1939         (extendqisi2): ... here.
1940         (*extendhisi2_am33, *extendhisi2_mn10300): Merge...
1941         (extendhisi2): ... here.
1942         (*am33_ashlsi3, *mn10300_ashlsi3): Merge...
1943         (ashlsi3): ... here.
1944         (*am33_lshrsi3, *mn10300_lshrsi3): Merge...
1945         (lshrsi3): ... here.
1946         (*am33_ashrisi3, *mn10300_ashrsi3): Merge...
1947         (ashrsi3): ... here.
1948         (consecutive add peephole): Remove.
1949         * config/mn10300/predicates.md (label_ref_operand): New.
1950         (int_mode_flags): New.
1951         (CCZN_comparison_operator): New.
1952
1953         * config/mn10300/mn10300.md (UNSPEC_EXT): New.
1954         (throughput_42_latency_43): New reservation.
1955         (mulsidi3, umulsidi3): New expanders.
1956         (mulsidi3_internal): Rewrite from old mulsidi3 pattern.  Expose
1957         the MDR register to allocation; separately allocate the low and
1958         high parts of the DImode result.
1959         (umulsidi3_internal): Similarly.
1960         (*am33_mulsi3, *mn10300_mulsi3): Merge into ...
1961         (*mulsi3): ... here.  Clobber MDR as a scratch as necessary.
1962         (udivsi3, umodsi3): Remove.
1963         (udivmodsi4, divmodsi4): New expanders.
1964         (*udivmodsi4): Rename from udivmodsi4.  Expose MDR properly.
1965         (*divmodsi4): Simiarly.
1966         (ext_internal): New.
1967
1968         * config/mn10300/constraints.md ("z"): New constraint.
1969         * config/mn10300/mn10300.h (MDR_REGNUM): Remove.
1970         (FIXED_REGISTERS): Don't fix MDR.
1971         (CALL_USED_REGSITERS): Reformat nicely.
1972         (REG_ALLOC_ORDER): Add MDR.
1973         (enum regclass): Add MDR_REGS.
1974         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update to match.
1975         (IRA_COVER_CLASSES): Add MDR_REGS.
1976         (REGNO_REG_CLASS): Handle MDR_REG.
1977         * config/mn10300/mn10300.c (mn10300_secondary_reload): Handle MDR_REGS.
1978         (mn10300_register_move_cost): Likewise.
1979         * config/mn10300/mn10300.md (MDR_REG): New.
1980         (*movsi_internal): Handle moves to/from MDR_REGS.
1981
1982         * config/mn10300/mn10300.c (mn10300_print_operand_address): Handle
1983         POST_MODIFY.
1984         (mn10300_secondary_reload): Tidy combination reload classes.
1985         (mn10300_legitimate_address_p): Allow post-modify and reg+reg
1986         addresses for AM33.  Allow symbolic offsets for reg+imm.
1987         (mn10300_regno_in_class_p): New.
1988         (mn10300_legitimize_reload_address): New.
1989         * config/mn10300/mn10300.h (enum reg_class): Remove
1990         DATA_OR_ADDRESS_REGS, DATA_OR_EXTENDED_REGS, ADDRESS_OR_EXTENDED_REGS,
1991         SP_OR_EXTENDED_REGS, SP_OR_ADDRESS_OR_EXTENDED_REGS.  Add
1992         SP_OR_GENERAL_REGS.
1993         (REG_CLASS_NAMES): Update to match.
1994         (REG_CLASS_CONTENTS): Likewise.
1995         (INDEX_REG_CLASS): Use GENERAL_REGS for AM33.
1996         (BASE_REG_CLASS): Use SP_OR_GENERAL_REGS for AM33.
1997         (REGNO_IN_RANGE_P): Remove.
1998         (REGNO_DATA_P): Use mn10300_regno_in_class_p.
1999         (REGNO_ADDRESS_P, REGNO_EXTENDED_P): Likewise.
2000         (REGNO_STRICT_OK_FOR_BASE_P): Likewise.
2001         (REGNO_STRICT_OK_FOR_BIT_BASE_P): Likewise.
2002         (REGNO_STRICT_OK_FOR_INDEX_P): Likewise.
2003         (REGNO_SP_P, REGNO_AM33_P, REGNO_FP_P): Remove.
2004         (REGNO_GENERAL_P): New.
2005         (HAVE_POST_MODIFY_DISP): New.
2006         (USE_LOAD_POST_INCREMENT, USE_STORE_POST_INCREMENT): New.
2007         (LEGITIMIZE_RELOAD_ADDRESS): New.
2008         * config/mn10300/mn10300-protos.h: Update.
2009
2010         * config/mn10300/mn10300.c (mn10300_preferred_reload_class): Allow
2011         DATA_REGS for AM33 stack-pointer destination.
2012         (mn10300_preferred_output_reload_class): Likewise.
2013         (mn10300_secondary_reload): Rearrange mn10300_secondary_reload_class
2014         into a form appropriate for ...
2015         (TARGET_SECONDARY_RELOAD): New.
2016         * config/mn10300/mn10300.h (SECONDARY_RELOAD_CLASS): Remove.
2017         * config/mn10300/mn10300-protos.h: Update.
2018         * config/mn10300/mn10300.md (reload_plus_sp_const): Rename from
2019         reload_insi; use the "A" constraint for the scratch; handle AM33
2020         moves of sp to non-address registers.
2021
2022         * config/mn10300/mn10300.md (*am33_movqi, *mn10300_movqi): Merge into
2023         (*movqi_internal): ... here.
2024         (*am33_movhi, *mn10300_movhi): Merge into...
2025         (*movhi_internal): ... here.
2026         (*movsi_internal): Use "r" instead of "dax" in constraints.  Use "A"
2027         as the source/destination of moves from/to SP.
2028         (movsf): Only allow for AM33-2.
2029         (*movsf_internal): Use "r" instead of "dax"; use "F" instead of
2030         any integer constant constraint.  Only allow for AM33-2.  Tidy
2031         all of the alternative outputs.
2032         (movdi, movdf, *am33_2_movdf, *mn10300_movdf): Remove.
2033         (udivmodsi4): Delete expander and promote *udivmodsi4.  Disallow
2034         for MN103.
2035         (udivsi3, umodsi3): New patterns for MN103 only.
2036
2037 2011-01-19  Joern Rennecke  <amylaar@spamcop.net>
2038
2039         * doc/tm.texi.in: Spell out that a lack of register class unions
2040         can lead to ICEs.
2041         * doc/tm.texi: Regenerate.
2042
2043 2011-01-19  Jakub Jelinek  <jakub@redhat.com>
2044
2045         PR rtl-optimization/47337
2046         * dce.c (check_argument_store): New function.
2047         (find_call_stack_args): Ignore debug insns.  Use check_argument_store.
2048
2049         PR tree-optimization/47290
2050         * tree-eh.c (infinite_empty_loop_p): New function.
2051         (cleanup_empty_eh): Use it.
2052
2053 2011-01-18  Steve Ellcey  <sje@cup.hp.com>
2054
2055         PR target/46997
2056         * ia64.c (ia64_expand_unpack): Fix code for TARGET_BIG_ENDIAN.
2057         (a64_expand_widen_sum): Ditto.
2058         * vect.md (mulv2si3): Disable for TARGET_BIG_ENDIAN.
2059         (vec_extract_evenodd_help): Ditto.
2060         (vec_extract_evenv4hi): Ditto.
2061         (vec_extract_oddv4hi): Ditto.
2062         (vec_extract_evenv2si): Ditto.
2063         (vec_extract_oddv2si): Ditto.
2064         (vec_extract_evenv2sf): Ditto.
2065         (vec_extract_oddv2sf): Ditto.
2066         (vec_pack_trunc_v4hi: Ditto.
2067         (vec_pack_trunc_v2si): Ditto.
2068         (vec_interleave_lowv8qi): Fix for TARGET_BIG_ENDIAN.
2069         (vec_interleave_highv8qi): Ditto.
2070         (mix1_r): Ditto.
2071         (vec_extract_oddv8qi): Ditto.
2072         (vec_interleave_lowv4hi): Ditto.
2073         (vec_interleave_highv4hi): Ditto.
2074         (vec_interleave_lowv2si): Ditto.
2075         (vec_interleave_highv2si): Ditto.
2076
2077 2011-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2078
2079         * doc/extend.texi: Mention __float128 support on hppa HP-UX.
2080         * config/pa/pa-hpux.h (HPUX_LONG_DOUBLE_LIBRARY): Define to 1.
2081         * config/pa/pa.c (pa_expand_builtin): New.  Include "langhooks.h".
2082         (pa_c_mode_for_suffix): New.
2083         (TARGET_EXPAND_BUILTIN): Define.
2084         (TARGET_C_MODE_FOR_SUFFIX): Define.
2085         (pa_builtins): Define.
2086         (pa_init_builtins): Register __float128 type and init new support
2087         builtins.
2088         * config/pa/pa.h (HPUX_LONG_DOUBLE_LIBRARY): Define if not defined.
2089         * config/pa/quadlib.c (_U_Qfcopysign): New.
2090
2091 2011-01-18  Eric Botcazou  <ebotcazou@adacore.com>
2092
2093         PR middle-end/46894
2094         * explow.c (allocate_dynamic_stack_space): Do not assume more than
2095         BITS_PER_UNIT alignment if STACK_DYNAMIC_OFFSET or STACK_POINTER_OFFSET
2096         are defined.
2097
2098 2011-01-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2099
2100         PR tree-optimization/47179
2101         * config/spu/spu.c (spu_ref_may_alias_errno): New function.
2102         (TARGET_REF_MAY_ALIAS_ERRNO): Define.
2103
2104 2011-01-18  Richard Guenther  <rguenther@suse.de>
2105
2106         PR rtl-optimization/47216
2107         * emit-rtl.c: Include tree-flow.h.
2108         (set_mem_attributes_minus_bitpos): Use tree_could_trap_p instead
2109         of replicating it with different semantics.
2110         * Makefile.in (emit-rtl.o): Adjust.
2111
2112 2011-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2113
2114         * config/arm/cortex-a9.md (cortex-a9-neon.md): Actually include.
2115         (cortex_a9_dp): Handle neon types correctly.
2116
2117 2011-01-18  Jakub Jelinek  <jakub@redhat.com>
2118
2119         PR rtl-optimization/47299
2120         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: Don't use
2121         subtarget.  Use normal multiplication if both operands are constants.
2122         * expmed.c (expand_widening_mult): Don't try to optimize constant
2123         multiplication if op0 has VOIDmode.  Convert op1 constant to mode
2124         before using it.
2125
2126 2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2127
2128         * doc/lto.texi (LTO): Ensure two spaces after period.  Fix
2129         spacing after 'e.g.', typos, comma, hyphenation.
2130
2131 2011-01-17  Richard Henderson  <rth@redhat.com>
2132
2133         * config/rx/predicates.md (rx_constshift_operand): Use match_test.
2134         (rx_restricted_mem_operand): New.
2135         (rx_shift_operand): Use register_operand.
2136         (rx_source_operand, rx_compare_operand): Likewise.
2137         * config/rx/rx.md (addsi3_flags): New expander.
2138         (adddi3): Rewrite as expander.
2139         (adc_internal, *adc_flags, adddi3_internal): New patterns.
2140         (subsi3_flags): New expander.
2141         (subdi3): Rewrite as expander.
2142         (sbb_internal, *sbb_flags, subdi3_internal): New patterns.
2143
2144         * config/rx/rx.c (RX_BUILTIN_SAT): Remove.
2145         (rx_init_builtins): Remove sat builtin.
2146         (rx_expand_builtin): Likewise.
2147         * config/rx/rx.md (ssaddsi3): New.
2148         (*sat): Rename from sat.  Represent the CC_REG input.
2149
2150         * config/rx/predicates.md (rshift_operator): New.
2151         * config/rx/rx.c (rx_expand_insv): Remove.
2152         * config/rx/rx-protos.h: Update.
2153         * config/rx/rx.md (*bitset): Rename from bitset.  Swap the ashift
2154         operand to the canonical position.
2155         (*bitset_in_memory, *bitinvert, *bitinvert_in_memory): Similarly.
2156         (*bitclr, *bitclr_in_memory): Similarly.
2157         (*insv_imm, rx_insv_reg, *insv_cond, *bmcc, *insv_cond_lt): New.
2158         (insv): Retain the zero_extract in the expansion.
2159
2160         * config/rx/rx.md (bswapsi2): Use = not + for output reload.
2161         (bswaphi2, bitinvert, revw): Likewise.
2162
2163         * config/rx/rx.c (gen_rx_store_vector): Use VOIDmode for gen_rtx_SET.
2164         (gen_rx_rtsd_vector, gen_rx_popm_vector): Likewise.
2165         * config/rx/rx.md (pop_and_return): Use VOIDmode for SET.
2166         (stack_push, stack_pushm, stack_pop, stack_popm): Likewise.
2167         (bitset, bitset_in_memory): Likewise.
2168         (bitinvert, bitinvert_in_memory): Likewise.
2169         (bitclr, bitclr_in_memory): Likewise.
2170         (insv, sync_lock_test_and_setsi, movstr, rx_movstr): Likewise.
2171         (rx_strend, rx_cmpstrn): Likewise.
2172         (rx_setmem): Likewise.  Make the source BLKmode to match the dest.
2173         (bitop peep2 patterns): Remove.
2174
2175         * config/rx/rx.c (rx_match_ccmode): New.
2176         * config/rx/rx-protos.h: Update.
2177         * config/rx/rx.md (abssi2): Clobber, don't set flags.
2178         (addsi3, adddi3, andsi3, negsi2, one_cmplsi2, iorsi3): Likewise.
2179         (rotlsi3, rotrsi3, ashrsi3, lshrsi3, ashlsi3): Likewise.
2180         (subsi3, subdi3, xorsi3, addsf3, divsf3, mulsf3, subsf3): Likewise.
2181         (fix_truncsfsi2, floatsisf2): Likewise.
2182         (*abssi2_flags, *addsi3_flags, *andsi3_flags, *negsi2_flags): New.
2183         (*one_cmplsi2_flags, *iorsi3_flags, *rotlsi3_flags): New.
2184         (*rotrsi3_flags, *ashrsi3_flags, *lshrsi3_flags, *ashlsi3_flags): New.
2185         (*subsi3_flags, *xorsi3_flags): New.
2186
2187         * config/rx/rx.md (cstoresf4, *cstoresf4): New patterns.
2188
2189         * config/rx/rx.c (rx_print_operand): Remove workaround for
2190         unsplit comparison operations.
2191
2192         * config/rx/rx.md (movsicc): Split after reload.
2193         (*movsicc): Merge *movsieq and *movsine via match_operator.
2194         (*stcc): New pattern.
2195
2196         * config/rx/rx.c (rx_float_compare_mode): Remove.
2197         * config/rx/rx.h (rx_float_compare_mode): Remove.
2198         * config/rx/rx.md (cstoresi4): Split after reload.
2199         (*sccc): New pattern.
2200
2201         * config/rx/predicates.md (label_ref_operand): New.
2202         (rx_z_comparison_operator): New.
2203         (rx_zs_comparison_operator): New.
2204         (rx_fp_comparison_operator): New.
2205         * config/rx/rx.c (rx_print_operand) [B]: Examine comparison modes.
2206         Validate that the flags are set properly for the comparison.
2207         (rx_gen_cond_branch_template): Remove.
2208         (rx_cc_modes_compatible): Remove.
2209         (mode_from_flags): New.
2210         (flags_from_code): Rename from flags_needed_for_conditional.
2211         (rx_cc_modes_compatible): Re-write in terms of flags_from_mode.
2212         (rx_select_cc_mode): Likewise.
2213         (rx_split_fp_compare): New.
2214         (rx_split_cbranch): New.
2215         * config/rx/rx.md (most_cond, zs_cond): Remove iterators.
2216         (*cbranchsi4): Use match_operator and rx_split_cbranch.
2217         (*cbranchsf4): Similarly.
2218         (*cbranchsi4_tst): Rename from *tstbranchsi4_<code>.  Use
2219         match_operator and rx_split_cbranch.
2220         (*cbranchsi4_tst_ext): Combine *tstbranchsi4m_eq and
2221         tstbranchsi4m_ne.  Use match_operator and rx_split_cbranch.
2222         (*cmpsi): Rename from cmpsi.
2223         (*tstsi): Rename from tstsi.
2224         (*cmpsf): Rename from cmpsf; use CC_Fmode.
2225         (*conditional_branch): Rename from conditional_branch.
2226         (*reveresed_conditional_branch): Remove.
2227         (b<code>): Remove expander.
2228         * config/rx/rx-protos.h: Update.
2229
2230         * config/rx/rx.c (rx_compare_redundant): Remove.
2231         * config/rx/rx.md (cmpsi): Don't use it.
2232         * config/rx/rx-protos.h: Update.
2233
2234         * config/rx/rx-modes.def (CC_F): New mode.
2235         * config/rx/rx.c (rx_select_cc_mode): New.
2236         * config/rx/rx.h (SELECT_CC_MODE): Use it.
2237         * config/rx/rx-protos.h: Update.
2238
2239 2011-01-17  Richard Henderson  <rth@redhat.com>
2240
2241         * except.c (dump_eh_tree): Fix stray ; after for statement.
2242
2243 2011-01-17  Richard Guenther  <rguenther@suse.de>
2244
2245         PR tree-optimization/47313
2246         * tree-inline.c (tree_function_versioning): Move DECL_RESULT
2247         handling before copying the body.  Properly deal with
2248         by-reference result in SSA form.
2249
2250 2011-01-17  Ian Lance Taylor  <iant@google.com>
2251
2252         PR target/47219
2253         * config/sparc/sparc.c (sparc_sr_alias_set): Don't define.
2254         (struct_value_alias_set): Don't define.
2255         (sparc_option_override): Don't set sparc_sr_alias_set and
2256         struct_value_alias_set.
2257         (save_or_restore_regs): Use gen_frame_mem rather than calling
2258         set_mem_alias_set.
2259         (sparc_struct_value_rtx): Likewise.
2260
2261 2011-01-17  H.J. Lu  <hongjiu.lu@intel.com>
2262
2263         PR target/47318
2264         * config/i386/avxintrin.h (_mm_maskload_pd): Change mask to
2265         __m128i.
2266         (_mm_maskstore_pd): Likewise.
2267         (_mm_maskload_ps): Likewise.
2268         (_mm_maskstore_ps): Likewise.
2269         (_mm256_maskload_pd): Change mask to __m256i.
2270         (_mm256_maskstore_pd): Likewise.
2271         (_mm256_maskload_ps): Likewise.
2272         (_mm256_maskstore_ps): Likewise.
2273
2274         * config/i386/i386-builtin-types.def: Updated.
2275         (ix86_expand_special_args_builtin): Likewise.
2276
2277         * config/i386/i386.c (bdesc_special_args): Update
2278         __builtin_ia32_maskloadpd, __builtin_ia32_maskloadps,
2279         __builtin_ia32_maskloadpd256, __builtin_ia32_maskloadps256,
2280         __builtin_ia32_maskstorepd, __builtin_ia32_maskstoreps,
2281         __builtin_ia32_maskstorepd256 and __builtin_ia32_maskstoreps256.
2282
2283         * config/i386/sse.md (avx_maskload<ssemodesuffix><avxmodesuffix>):
2284         Use <avxpermvecmode> on mask register.
2285         (avx_maskstore<ssemodesuffix><avxmodesuffix>): Likewise.
2286
2287 2011-01-17  Olivier Hainque  <hainque@adacore.com>
2288             Michael Haubenwallner  <michael.haubenwallner@salomon.at>
2289             Eric Botcazou  <ebotcazou@adacore.com>
2290
2291         PR target/46655
2292         * xcoffout.c (ASM_OUTPUT_LINE): Output line only if positive, and only
2293         if <= USHRT_MAX in 32-bit mode.
2294
2295 2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2296
2297         * doc/install.texi (Configuration, Specific): Wrap long
2298         lines in examples.  Allow line wrapping in long options
2299         and URLs where beneficial for PDF output.
2300
2301 2011-01-16  Richard Sandiford  <rdsandiford@googlemail.com>
2302
2303         * config/mips/mips.c (mips_classify_symbol): Don't return
2304         SYMBOL_PC_RELATIVE for nonlocal labels.
2305
2306 2011-01-15  Eric Botcazou  <ebotcazou@adacore.com>
2307
2308         * config/sparc/sol2-bi.h (CC1_SPEC): Fix typo.
2309
2310 2011-01-15  Jan Hubicka  <jh@suse.cz>
2311
2312         PR tree-optimization/47276
2313         * ipa.c (function_and_variable_visibility): Do not try to mark alias
2314         declarations as needed.
2315
2316 2011-01-15  Martin Jambor  <mjambor@suse.cz>
2317
2318         * common.opt (fdevirtualize): New flag.
2319         * doc/invoke.texi (Option Summary): Document it.
2320         * opts.c (default_options_table): Add devirtualize flag.
2321         * ipa-prop.c (detect_type_change): Return immediately if
2322         devirtualize flag is not set.
2323         (detect_type_change_ssa): Likewise.
2324         (compute_known_type_jump_func): Likewise.
2325         (ipa_analyze_virtual_call_uses): Likewise.
2326
2327 2011-01-14  Martin Jambor  <mjambor@suse.cz>
2328
2329         PR tree-optimization/45934
2330         PR tree-optimization/46302
2331         * ipa-prop.c (type_change_info): New type.
2332         (stmt_may_be_vtbl_ptr_store): New function.
2333         (check_stmt_for_type_change): Likewise.
2334         (detect_type_change): Likewise.
2335         (detect_type_change_ssa): Likewise.
2336         (compute_complex_assign_jump_func): Check for dynamic type change.
2337         (compute_complex_ancestor_jump_func): Likewise.
2338         (compute_known_type_jump_func): Likewise.
2339         (compute_scalar_jump_functions): Likewise.
2340         (ipa_analyze_virtual_call_uses): Likewise.
2341         (ipa_analyze_node): Push and pop cfun, set current_function_decl.
2342
2343 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2344
2345         * config/i386/i386.h (CC1_CPU_SPEC_1): Don't handle -msse5.
2346         * config/i386/i386.opt (msse5): New Alias.
2347
2348 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2349
2350         * config/sparc/linux.h (CC1_SPEC): Remove %{sun4:} %{target:}.
2351         * config/sparc/linux64.h (CC1_SPEC): Likewise.
2352         * config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
2353         * config/sparc/sparc.h (CC1_SPEC): Likewise.
2354
2355 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2356
2357         * config/sparc/linux.h (CC1_SPEC): Don't handle old equivalents of
2358         -mcpu options.
2359         * config/sparc/linux64.h (CC1_SPEC): Likewise.
2360         * config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
2361         * config/sparc/sol2-bi.h (CPP_CPU_SPEC, CC1_SPEC): Likewise.
2362         * config/sparc/sparc.h (CPP_CPU_SPEC, CC1_SPEC, ASM_CPU_SPEC):
2363         Likewise.
2364         * config/sparc/t-elf (MULTILIB_MATCHES): Don't handle -mv8.
2365
2366 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2367
2368         * config/rs6000/vxworks.h (CC1_SPEC): Don't handle -fvec or -fvec-eabi.
2369
2370 2011-01-14  Mike Stump  <mikestump@comcast.net>
2371
2372         * config/alpha/alpha.md (umk_mismatch_args): Don't put a mode on set.
2373         * config/fr30/fr30.md: Likweise
2374         (movsi_push): Likewise.
2375         (movsi_pop): Likewise.
2376         (enter_func): Likewise.
2377         * config/moxie/moxie.md (movsi_push): Likewise.
2378         (movsi_pop): Likewise.
2379
2380 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2381
2382         * config/mips/linux64.h (LINK_SPEC): Remove %{bestGnum}
2383         %{no_archive} %{exact_version}.
2384         * config/mips/mips.h (LINK_SPEC): Remove %{bestGnum}.
2385         * config/mips/netbsd.h (LINK_SPEC): Remove %{bestGnum}
2386         %{no_archive} %{exact_version}.
2387         * config/mips/openbsd.h (LINK_SPEC): Likewise.
2388         * config/mips/sde.h (LINK_SPEC): Remove %{bestGnum}.
2389         * config/mips/vxworks.h: Likewise.
2390
2391 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2392
2393         * config/microblaze/microblaze.h (ASM_SPEC): Remove %{microblaze1}.
2394
2395 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2396
2397         * config/m32r/little.h (CPP_ENDIAN_SPEC, CC1_ENDIAN_SPEC,
2398         ASM_ENDIAN_SPEC, LINK_ENDIAN_SPEC): Remove.
2399
2400 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2401
2402         * config/i386/nwld.h (LINK_SPEC): Check -nodefaultlibs not
2403         -nodefaultlib.
2404
2405 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2406
2407         * config/cris/cris.h (ASM_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check
2408         for mcpu not cpu.
2409         * config/cris/linux.h (CRIS_CPP_SUBTARGET_SPEC,
2410         CRIS_CC1_SUBTARGET_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check for mcpu
2411         not cpu.
2412         (CRIS_LINK_SUBTARGET_SPEC): Don't generate -rpath-link options.
2413         Don't handle -shlib.
2414
2415 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2416
2417         * config/avr/avr.h (CPP_SPEC): Don't handle -posix.
2418         (CC1_SPEC): Don't handle -profile.
2419
2420 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2421
2422         * config/microblaze/microblaze.h (CC1_SPEC): Remove -gline spec.
2423         * config/mips/mips.h (CC1_SPEC): Likewise.
2424
2425 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2426
2427         * config/microblaze/microblaze.h (CC1_SPEC): Remove %{save-temps: }.
2428         * config/mips/mips.h (CC1_SPEC): Likewise.
2429
2430 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2431
2432         * config/i386/linux.h (LINK_SPEC): Don't use %{!ibcs:} conditional.
2433         * config/m32r/linux.h (LINK_SPEC): Likewise.
2434         * config/mips/linux.h (LINK_SPEC): Likewise.
2435         * config/mips/linux64.h (LINK_SPEC): Likewise.
2436         * config/sparc/linux.h (LINK_SPEC): Likewise.
2437         * config/sparc/linux64.h (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
2438         LINK_SPEC): Likewise.
2439         * config/xtensa/linux.h (LINK_SPEC): Likewise.
2440
2441 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2442
2443         * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove
2444         %{version:-v}.
2445         * config/lm32/uclinux-elf.h (LINK_SPEC): Likewise.
2446
2447 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2448
2449         * config/sparc/sp-elf.h (ASM_SPEC): Remove %{v:-V}.
2450         * config/sparc/sp64-elf.h (ASM_SPEC): Likewise.
2451
2452 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2453
2454         * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove %{b}.
2455
2456 2011-01-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2457
2458         * configure.ac (gcc_cv_ld_static_dynamic): Solaris 2 ld always
2459         supports -Bstatic/-Bdynamic.
2460         * configure: Regenerate.
2461
2462 2011-01-14  Jan Hubicka  <jh@suse.cz>
2463         Jack Howarth <howarth@bromo.med.uc.edu>
2464
2465         PR target/46037
2466         * config/darwin.c (darwin_override_options): Honor flag_gtoggle
2467         when checking debug_info_level. Test write_symbols instead of
2468         debug_hooks->var_location when setting flag_var_tracking_uninit.
2469
2470 2011-01-14  Richard Guenther  <rguenther@suse.de>
2471
2472         PR tree-optimization/47179
2473         * target.def (ref_may_alias_errno): New target hook.
2474         * targhooks.h (default_ref_may_alias_errno): Declare.
2475         * targhooks.c: Include tree-ssa-alias.h and tree-flow.h.
2476         (default_ref_may_alias_errno): New function.
2477         * target.h (struct ao_ref_s): Declare.
2478         * tree-ssa-alias.c: Include target.h.
2479         (call_may_clobber_ref_p_1): Use the ref_may_alias_errno target hook.
2480         * Makefile.in (tree-ssa-alias.o): Adjust dependencies.
2481         (targhooks.o): Likewise.
2482         * doc/tm.texi.in (TARGET_REF_MAY_ALIAS_ERRNO): Document.
2483         * doc/tm.texi (TARGET_REF_MAY_ALIAS_ERRNO): Copy documentation.
2484
2485 2011-01-14  Richard Guenther  <rguenther@suse.de>
2486
2487         * tree-ssa-structalias.c  (new_var_info): Use DECL_HARD_REGISTER.
2488
2489 2011-01-14  Richard Guenther  <rguenther@suse.de>
2490
2491         PR tree-optimization/47280
2492         * tree-ssa-forwprop.c (associate_plusminus): Cleanup EH and
2493         return CFG changes.
2494         (tree_ssa_forward_propagate_single_use_vars): Deal with
2495         CFG changes from associate_plusminus.
2496
2497 2011-01-14  Richard Guenther  <rguenther@suse.de>
2498
2499         PR middle-end/47281
2500         Revert
2501         2011-01-11  Richard Guenther  <rguenther@suse.de>
2502
2503         PR tree-optimization/46076
2504         * tree-ssa.c (useless_type_conversion_p): Conversions from
2505         unprototyped to empty argument list function types are useless.
2506
2507 2011-01-14  Richard Guenther  <rguenther@suse.de>
2508
2509         PR tree-optimization/47286
2510         * tree-ssa-structalias.c (new_var_info): Register variables are global.
2511
2512 2011-01-14  Martin Jambor  <mjambor@suse.cz>
2513
2514         PR middle-end/46823
2515         * tree-inline.c (expand_call_inline): Get fndecl from call graph edge.
2516
2517 2011-01-13  Anatoly Sokolov  <aesok@post.ru>
2518
2519         * config/xtensa/xtensa.h (XTENSA_LIBCALL_VALUE, LIBCALL_VALUE,
2520         LIBCALL_OUTGOING_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
2521         * config/xtensa/xtensa.c (xtensa_libcall_value,
2522         xtensa_function_value_regno_p): New functions.
2523         (TARGET_LIBCALL_VALUE, TARGET_FUNCTION_VALUE_REGNO_P): Define.
2524
2525 2011-01-13  Kai Tietz  <kai.tietz@onevision.com>
2526
2527         PR c++/47213
2528         * config/i386/cygming.h (TARGET_ASM_ASSEMBLE_VISIBILITY):
2529         PE specific hook.
2530         * config/i386/i386-protos.h (i386_pe_assemble_visibility):
2531         New function prototype.
2532         * config/i386/winnt.c (i386_pe_assemble_visibility):
2533         Warn only if attribute was specified by user.
2534
2535 2011-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
2536
2537         PR target/47251
2538         * config/rs6000/rs6000.md (floatunsdidf2): Add check for hardware
2539         floating point.
2540         (floatunsdidf2_fcfidu): Ditto.
2541
2542 2011-01-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2543
2544         * config/s390/s390.c (print_operand_address): Replace 'error' with
2545         'output_operand_lossage'.
2546         (print_operand): Likewise.
2547
2548 2011-01-13  Jeff Law  <law@redhat.com>
2549
2550         PR rtl-optimization/39077
2551         * doc/invoke.texi (max-gcse-insertion-ratio): Document.
2552         * params.h (MAX_GCSE_INSERTION_RATIO): Define.
2553         * params.def (PARAM_MAX_GCSE_INSERTION_RATIO): Define.
2554         * lcm.c (pre_edge_lcm): Properly initialize output sbitmaps.
2555         * gcse.c (prune_insertions_deletions): New function.
2556         (compute_pre_data): Use it.
2557
2558 2011-01-13  Dodji Seketeli  <dodji@redhat.com>
2559
2560         PR debug/PR46973
2561         * dwarf2out.c (prune_unused_types_mark_generic_parms_dies): New
2562         static function.
2563         (prune_unused_types_mark): Use it.
2564
2565 2011-01-13  Andrey Belevantsev  <abel@ispras.ru>
2566
2567         PR rtl-optimization/45352
2568         * sel-sched.c: Update copyright years.
2569         (reset_sched_cycles_in_current_ebb): Also recheck the DFA state
2570         in the advancing loop when we have issued issue_rate insns.
2571
2572 2011-01-12  Richard Henderson  <rth@redhat.com>
2573
2574         * config/mn10300/mn10300.c (mn10300_md_asm_clobbers): New.
2575         (TARGET_MD_ASM_CLOBBERS): New.
2576
2577         * config/mn10300/mn10300.c (mn10300_delegitimize_address): New.
2578         (TARGET_DELEGITIMIZE_ADDRESS): New.
2579
2580         * config/mn10300/mn10300.md (UNSPEC_BSCH): New.
2581         (clzsi2, *bsch): New patterns.
2582
2583         * config/mn10300/mn10300.md (INT): New mode iterator.
2584         (*mov<INT>_clr): New pattern, and peep2 to generate it.
2585
2586         * config/mn10300/mn10300.c (mn10300_option_override): Force enable
2587         flag_split_wide_types.
2588
2589         * config/mn10300/mn10300.c (mn10300_asm_trampoline_template): Remove.
2590         (mn10300_trampoline_init): Rewrite without a template, an immediate
2591         load and a direct branch.
2592         * config/mn10300/mn10300.h (TRAMPOLINE_SIZE): Reduce to 16.
2593
2594 2011-01-12  Anatoly Sokolov  <aesok@post.ru>
2595
2596         * config/s390/s390.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
2597         * config/s390/s390-protos.h (s390_output_addr_const_extra): Remove.
2598         * config/s390/s390.c (s390_output_addr_const_extra): Make static.
2599         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
2600
2601 2011-01-12  Kai Tietz  <kai.tietz@onevision.com>
2602
2603         PR debug/47209
2604         * dwarfout2.c (should_emit_struct_debug): Use TYPE_MAIN_VARIANT
2605         of type.
2606
2607 2011-01-12  Jan Hubicka  <jh@suse.cz>
2608
2609         PR driver/47244
2610         * gcc.c (PLUGIN_COND): Update to disable plugin unless -flto is used.
2611         (PLUGIN_COND_CLOSE): New macro.
2612         (LINK_COMMAND_SPEC): Update to use PLUGIN_COND_CLOSE.
2613
2614 2011-01-12  Richard Guenther  <rguenther@suse.de>
2615
2616         PR lto/47259
2617         * lto-streamer-out.c (output_gimple_stmt): Do not wrap
2618         register variables in a MEM_REF.
2619
2620 2011-01-12  Joseph Myers  <joseph@codesourcery.com>
2621
2622         * config.gcc (arm*-*-linux*, bfin*-uclinux*, bfin*-linux-uclibc*,
2623         crisv32-*-linux* | cris-*-linux*, frv-*-*linux*, moxie-*-uclinux*,
2624         hppa*64*-*-linux*, hppa*-*-linux*, i[34567]86-*-linux* |
2625         i[34567]86-*-kfreebsd*-gnu | i[34567]86-*-knetbsd*-gnu |
2626         i[34567]86-*-gnu* | i[34567]86-*-kopensolaris*-gnu,
2627         x86_64-*-linux* | x86_64-*-kfreebsd*-gnu | x86_64-*-knetbsd*-gnu,
2628         ia64*-*-linux*, lm32-*-uclinux*, m32r-*-linux*, m32rle-*-linux*,
2629         m68k-*-uclinux*, m68k-*-linux*, microblaze*-linux*,
2630         mips64*-*-linux* | mipsisa64*-*-linux*, mips*-*-linux*,
2631         s390-*-linux*, s390x-*-linux*, sh*-*-linux*, sparc-*-linux*,
2632         sparc64-*-linux*, vax-*-linux*, xtensa*-*-linux*,
2633         am33_2.0-*-linux*): Use gnu-user.h before linux.h.
2634         * config/gnu-user.h: New.  Copied from linux.h.
2635         (LINUX_TARGET_STARTFILE_SPEC): Rename to
2636         GNU_USER_TARGET_STARTFILE_SPEC.
2637         (LINUX_TARGET_ENDFILE_SPEC): Rename to
2638         GNU_USER_TARGET_ENDFILE_SPEC.
2639         (LINUX_TARGET_CC1_SPEC): Rename to GNU_USER_TARGET_CC1_SPEC.
2640         (LINUX_TARGET_LIB_SPEC): Rename to GNU_USER_TARGET_LIB_SPEC.
2641         (OPTION_GLIBC, OPTION_UCLIBC, OPTION_BIONIC,
2642         LINUX_TARGET_OS_CPP_BUILTINS, CHOOSE_DYNAMIC_LINKER1,
2643         CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
2644         UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
2645         BIONIC_DYNAMIC_LINKER, BIONIC_DYNAMIC_LINKER32,
2646         BIONIC_DYNAMIC_LINKER64, LINUX_DYNAMIC_LINKER,
2647         LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64,
2648         TARGET_C99_FUNCTIONS, TARGET_HAS_SINCOS): Remove.
2649         * config/arm/linux-eabi.h (CC1_SPEC): Use
2650         GNU_USER_TARGET_CC1_SPEC.
2651         (LIB_SPEC): Use GNU_USER_TARGET_LIB_SPEC.
2652         (STARTFILE_SPEC): Use GNU_USER_TARGET_STARTFILE_SPEC.
2653         (ENDFILE_SPEC): Use GNU_USER_TARGET_ENDFILE_SPEC
2654         * config/linux.h (NO_IMPLICIT_EXTERN_C, ASM_APP_ON, ASM_APP_OFF,
2655         LINUX_TARGET_STARTFILE_SPEC, STARTFILE_SPEC,
2656         LINUX_TARGET_ENDFILE_SPEC, ENDFILE_SPEC, LINUX_TARGET_CC1_SPEC,
2657         CC1_SPEC, CPLUSPLUS_CPP_SPEC, LINUX_TARGET_LIB_SPEC, LIB_SPEC,
2658         LINK_EH_SPEC, LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Remove.
2659
2660 2011-01-12  Richard Guenther  <rguenther@suse.de>
2661
2662         PR other/46946
2663         * doc/invoke.texi (ffast-math): Document it is turned on
2664         with -Ofast.
2665
2666 2011-01-12  Jan Hubicka  <jh@suse.cz>
2667
2668         PR tree-optimization/47233
2669         * opts.c (common_handle_option): Disable ipa-reference with profile
2670         feedback.
2671
2672 2011-01-12  Nicola Pero  <nicola.pero@meta-innovation.com>
2673
2674         * c-parser.c (c_parser_objc_at_property_declaration): Improved
2675         error message.
2676
2677 2011-01-12  Nicola Pero  <nicola.pero@meta-innovation.com>
2678
2679         * c-parser.c (c_lex_one_token): Updated and reindented some
2680         comments.  No changes in code.
2681
2682 2011-01-11  Ian Lance Taylor  <iant@google.com>
2683
2684         * godump.c (go_output_var): Don't output the variable if there is
2685         already a type with the same name.
2686
2687 2011-01-11  Ian Lance Taylor  <iant@google.com>
2688
2689         * godump.c (go_format_type): Don't generate float80.
2690
2691 2011-01-11  Richard Henderson  <rth@redhat.com>
2692
2693         * config/mn10300/mn10300.c (mn10300_address_cost): Remove forward
2694         declaration.  Rewrite for both speed and size.
2695         (mn10300_address_cost_1): Remove.
2696         (mn10300_register_move_cost): New.
2697         (mn10300_memory_move_cost): New.
2698         (mn10300_rtx_costs): Rewrite for both speed and size.  Don't handle
2699         ZERO_EXTRACT.  Do handle UNSPEC, arithmetic, logicals, compare,
2700         extensions, shifts, BSWAP, CLZ.
2701         (mn10300_wide_const_load_uses_clr): Remove.
2702         (TARGET_REGISTER_MOVE_COST): New.
2703         (TARGET_MEMORY_MOVE_COST): New.
2704         * config/mn10300/mn10300-protos.h: Update.
2705         * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Remove.
2706
2707         * config/mn10300/constraints.md ("R", "T"): Remove constraints.
2708         * config/mn10300/mn10300.c (mn10300_mask_ok_for_mem_btst): Remove.
2709         * config/mn10300/mn10300-protos.h: Update.
2710         * config/mn10300/mn10300.md (movsi_internal): Don't use "R".
2711         (*byte_clear, *byte_set, *bit_clear1, *bit_clear2, *bit_set): Remove.
2712         (iorqi3, *am33_iorqi3, *mn10300_iorqi3): Remove.
2713         (*test_int_bitfield, *test_byte_bitfield): Remove.
2714         (*bit_test, *subreg_bit_test): Remove.
2715         * config/mn10300/predicates.md (const_8bit_operand): Remove.
2716
2717         * config/mn10300/constraints.md ("c"): Rename from "A".
2718         ("A", "D"): New constraint letters.
2719         * config/mn10300/mn10300.md (fmasf4): Use the "c" constraint.
2720         (fmssf4, fnmasf4, fnmssf4): Likewise.
2721
2722         * config/mn10300/mn10300.md (isa): New attribute.
2723         (enabled): New attribute.
2724
2725         * config/mn10300/mn10300.md (absdf2, negdf2): Remove.
2726         (abssf2, negsf2): Define only for hardware fp.
2727         (sqrtsf2): Reformat.
2728         (addsf3, subsf3, mulsf3): Merge expander and insn.
2729
2730         * config/mn10300/mn10300.h (ARG_PIONTER_CFA_OFFSET): New.
2731         (DEBUGGER_AUTO_OFFSET): Remove.
2732         (DEBUGGER_ARG_OFFSET): Remove.
2733
2734         * config/mn10300/mn10300.c (mn10300_gen_multiple_store): Make static.
2735         Emit register stores with the same offsets as the hardware.
2736         (mn10300_store_multiple_operation): Don't check that the register
2737         save offsets are monotonic.
2738         * config/mn10300/mn10300-protos.h: Update.
2739
2740         * config/mn10300/mn10300.h (ASM_PN_FORMAT): Delete.
2741
2742         * config/mn10300/mn10300.h (INCOMING_RETURN_ADDR_RTX): Define
2743         in terms of the value on the stack, not the MDR register.
2744
2745 2011-01-11  Jan Hubicka  <jh@suse.cz>
2746
2747         PR lto/45721
2748         PR lto/45375
2749         * tree.h (symbol_alias_set_t): Move typedef here from varasm.c
2750         (symbol_alias_set_destroy, symbol_alias_set_contains,
2751         propagate_aliases_backward): Declare.
2752         * lto-streamer-out.c (struct sets): New sturcture.
2753         (trivally_defined_alias): New function.
2754         (output_alias_pair_p): Rewrite.
2755         (output_unreferenced_globals): Fix output of alias pairs.
2756         (produce_symtab): Likewise.
2757         * ipa.c (function_and_variable_visibility): Set weak alias destination
2758         as needed in lto.
2759         * varasm.c (symbol_alias_set_t): Remove.
2760         (symbol_alias_set_destroy): Export.
2761         (propagate_aliases_forward, propagate_aliases_backward): New functions
2762         based on ...
2763         (compute_visible_aliases): ... this one; remove.
2764         (trivially_visible_alias): New
2765         (trivially_defined_alias): New.
2766         (remove_unreachable_alias_pairs): Rewrite.
2767         (finish_aliases_1): Reorganize code checking if alias is defined.
2768         * passes.c (rest_of_decl_compilation): Do not call assemble_alias when
2769         in LTO mode.
2770
2771 2011-01-11  Richard Guenther  <rguenther@suse.de>
2772
2773         PR tree-optimization/46076
2774         * tree-ssa.c (useless_type_conversion_p): Conversions from
2775         unprototyped to empty argument list function types are useless.
2776
2777 2011-01-11  Richard Guenther  <rguenther@suse.de>
2778
2779         PR middle-end/45235
2780         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not mark
2781         volatile MEMs as MEM_READONLY_P.
2782
2783 2011-01-11  Richard Guenther  <rguenther@suse.de>
2784
2785         PR tree-optimization/47239
2786         * tree-ssa-ccp.c (get_value_from_alignment): Punt for FUNCTION_DECLs.
2787
2788 2011-01-11  Jeff Law  <law@redhat.com>
2789
2790         PR tree-optimization/47086
2791         * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Do not record
2792         IVs from statements that might throw.
2793
2794 2011-01-10  Jan Hubicka  <jh@suse.cz>
2795
2796         PR lto/45375
2797         * lto-cgraph.c (input_profile_summary): Remove overactive sanity check.
2798
2799 2011-01-10  Jan Hubicka  <jh@suse.cz>
2800
2801         PR lto/45375
2802         * profile.c (read_profile_edge_counts): Ignore profile inconistency
2803         when correcting profile.
2804
2805 2011-01-10  Jan Hubicka  <jh@suse.cz>
2806
2807         PR lto/46083
2808         * lto-streamer-out.c (pack_ts_function_decl_value_fields): Store
2809         DECL_FINI_PRIORITY.
2810         * lto-streamer-in.c (unpack_ts_function_decl_value_fields):
2811         Restore DECL_FINI_PRIORITY.
2812
2813 2011-01-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2814
2815         * doc/gimple.texi: Fix quoting of multi-word return values in
2816         @deftypefn statements.  Ensure presence of return value.  Wrap
2817         overlong @deftypefn lines.
2818         (is_gimple_operand, is_gimple_min_invariant_address): Remove
2819         descriptions of removed functions.
2820         * doc/hostconfig.texi (Host Common): Wrap long line, fix quoting
2821         of multi-word return value in @deftypefn statement.
2822
2823 2011-01-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2824
2825         * doc/gimple.texi (Temporaries, Operands, Compound Lvalues)
2826         (Conditional Expressions, Logical Operators)
2827         (Statement and operand traversals): Do not indent smallexample
2828         code.  Fix duplicate function argument in example.
2829
2830 2011-01-10  Jeff Law  <law@redhat.com>
2831
2832         PR tree-optimization/47141
2833         * ipa-split.c (split_function): Handle case where we are
2834         returning a value and the return block has a virtual operand phi.
2835
2836 2011-01-10  Jan Hubicka  <jh@suse.cz>
2837
2838         PR tree-optimization/47234
2839         * tree-pass.h (TODO_rebuild_cgraph_edges): New TODO.
2840         (pass_feedback_split_functions): Declare.
2841         * passes.c (init_optimization_passes): Add ipa-split as subpass of
2842         tree-profile.
2843         * ipa-split.c (gate_split_functions): Update comments; disable
2844         split-functions for profile_arc_flag and branch_probabilities.
2845         (gate_feedback_split_functions): New function.
2846         (execute_feedback_split_functions): New function.
2847         (pass_feedback_split_functions): New global var.
2848
2849 2011-01-10  H.J. Lu  <hongjiu.lu@intel.com>
2850
2851         PR lto/46760
2852         * tree-inline.c (tree_can_inline_p): Check e->call_stmt before
2853         calling gimple_call_set_cannot_inline.
2854
2855 2011-01-10  Iain Sandoe  <iains@gcc.gnu.org>
2856
2857         * config/darwin-sections.def: Remove unused section.
2858
2859 2011-01-10  Dave Korn  <dave.korn.cygwin@gmail.com>
2860
2861         PR c++/47218
2862         * cgraphunit.c (assemble_thunk): Call resolve_unique_section.
2863
2864 2011-01-09  Nicola Pero  <nicola.pero@meta-innovation.com>
2865
2866         PR objc/47232
2867         * c-parser.c (c_parser_declaration_or_fndef): Improved
2868         error message.
2869
2870 2011-01-09  Kai Tietz  <kai.tietz@onevision.com>
2871
2872         * config/i386/winnt.c (i386_pe_start_function): Make sure
2873         to switch back to function's section.
2874
2875 2011-01-09  Iain Sandoe  <iains@gcc.gnu.org>
2876
2877         PR gcc/46902
2878         PR testsuite/46912
2879         * plugin.c: Move include of dlfcn.h from here...
2880         * system.h: ... to here.
2881
2882 2011-01-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2883
2884         * doc/cpp.texi (C++ Named Operators): Fix markup for header
2885         file name.
2886         * doc/cppinternals.texi (Top): Wrap node in @ifnottex to avoid
2887         two extra empty pages in PDF output.
2888
2889 2011-01-08  Nicola Pero  <nicola.pero@meta-innovation.com>
2890
2891         PR objc/47078
2892         * c-parser.c (c_parser_objc_type_name): If the type is unknown,
2893         for error recovery purposes behave as if it was not specified so
2894         that the default type is usd.
2895
2896 2011-01-07  Jan Hubicka  <jh@suse.cz>
2897
2898         PR tree-optmization/46469
2899         * ipa.c (function_and_variable_visibility): Clear needed flags on
2900         nodes with external decls; handle weakrefs merging correctly.
2901
2902 2011-01-07  Joseph Myers  <joseph@codesourcery.com>
2903
2904         * opts.c (finish_options): Set opts->x_flag_opts_finished to true,
2905         not false.
2906
2907 2011-01-07  Jan Hubicka  <jh@suse.cz>
2908
2909         * doc/invoke.texi: (-flto, -fuse-linker-plugin): Update defaults
2910         and no longer claim that gold is required for linker plugin.
2911         * configure: Regenerate.
2912         * gcc.c (PLUGIN_COND): New macro.
2913         (LINK_COMMAND_SPEC): Use it.
2914         (main): Default to plugin enabled with HAVE_LTO_PLUGIN is set.
2915         * config.in (HAVE_LTO_PLUGIN): New.
2916         * configure.ac (--with-lto-plugin): New parameter; autodetect
2917         HAVE_LTO_PLUGIN.
2918
2919 2011-01-07  Jan Hubicka  <jh@suse.cz>
2920
2921         PR tree-optimization/46367
2922         * ipa-inline.c (cgraph_clone_inlined_nodes): Use original function only
2923         when we can update original.
2924         (cgraph_mark_inline_edge): Sanity check.
2925         * ipa-prop.c (ipa_make_edge_direct_to_target): Sanity check.
2926
2927 2011-01-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2928
2929         * config/spu/spu.h (ASM_COMMENT_START): Define.
2930
2931 2011-01-07  H.J. Lu  <hongjiu.lu@intel.com>
2932
2933         PR driver/42445
2934         * gcc.c (%>S): New.
2935         (SWITCH_KEEP_FOR_GCC): Likewise.
2936         (set_collect_gcc_options): Check SWITCH_KEEP_FOR_GCC.
2937         (do_spec_1): Handle "%>".
2938
2939         * config/i386/i386.h (CC1_CPU_SPEC): Replace "%<" with "%>".
2940
2941 2011-01-07  Jakub Jelinek  <jakub@redhat.com>
2942
2943         PR target/47201
2944         * config/i386/i386.c (ix86_delegitimize_address): If
2945         simplify_gen_subreg fails, return orig_x.
2946
2947         PR bootstrap/47187
2948         * value-prof.c (gimple_stringop_fixed_value): Handle
2949         lhs of the call properly.
2950
2951 2011-01-07  Jan Hubicka  <jh@suse.cz>
2952
2953         PR lto/45375
2954         * lto-opt.c (lto_reissue_options): Set flag_shlib.
2955
2956 2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>
2957
2958         * target.def (function_switched_text_sections): New hook.
2959         * doc/tm.texi: Regenerated.
2960         * doc/tm.texi.in (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.
2961         * final.c (default_function_switched_text_sections): New.
2962         (final_scan_insn): Call function_switched_text_sections when a
2963         mid-function section change occurs.
2964         * output.h (default_function_switched_text_sections): Declare.
2965         * config/darwin-protos.h (darwin_function_switched_text_sections):
2966         Likewise.
2967         * config/darwin.c (darwin_function_switched_text_sections): New.
2968         * config/darwin.h (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.
2969
2970 2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>
2971
2972         * dwarf2out.c (gen_subprogram_die):  Add pubnames with code ranges for
2973         DWARF >= 3.  Add pubnames for the primary section and a reduced DIE for
2974         the secondary code fragment when outputting for DWARF == 2.
2975
2976 2011-01-07  Anatoly Sokolov  <aesok@post.ru>
2977
2978         * config/xtensa/xtensa.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
2979         * config/xtensa/xtensa-protos.h (xtensa_output_addr_const_extra):
2980         Remove.
2981         * config/xtensa/xtensa.c (xtensa_output_addr_const_extra): Make static.
2982         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
2983
2984 2011-01-06  Eric Botcazou  <ebotcazou@adacore.com>
2985
2986         PR debug/46704
2987         * dwarf2out.c (dwarf2out_finish): Output the debug_aranges section only
2988         when it is not empty.
2989
2990 2011-01-06  Changpeng Fang  <changpeng.fang@amd.com>
2991
2992         Bobcat Enablement
2993         * config.gcc (i[34567]86-*-linux* | ...): Add btver1.
2994         (case ${target}): Add btver1.
2995         * config/i386/driver-i386.c (host_detect_local_cpu): Let
2996         -march=native recognize btver1 processors.
2997         * config/i386/i386-c.c (ix86_target_macros_internal): Add
2998         btver1 def_and_undef
2999         * config/i386/i386.c (struct processor_costs btver1_cost): New
3000         btver1 cost table.
3001         (m_BTVER1): New definition.
3002         (m_AMD_MULTIPLE): Includes m_BTVER1.
3003         (initial_ix86_tune_features): Add btver1 tune.
3004         (processor_target_table): Add btver1 entry.
3005         (static const char *const cpu_names): Add btver1 entry.
3006         (software_prefetching_beneficial_p): Add btver1.
3007         (ix86_option_override_internal): Add btver1 instruction sets.
3008         (ix86_issue_rate): Add btver1.
3009         (ix86_adjust_cost): Add btver1.
3010         * config/i386/i386.h (TARGET_BTVER1): New definition.
3011         (enum target_cpu_default): Add TARGET_CPU_DEFAULT_btver1.
3012         (enum processor_type): Add PROCESSOR_BTVER1.
3013         * config/i386/i386.md (define_attr "cpu"): Add btver1.
3014
3015 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3016
3017         PR target/43309
3018         * config/i386/i386.c (legitimize_tls_address)
3019         <TLS_MODEL_INITIAL_EXEC>: Handle TARGET_64BIT && TARGET_SUN_TLS.
3020         * config/i386/i386.md (UNSPEC_TLS_IE_SUN): Declare.
3021         (tls_initial_exec_64_sun): New pattern.
3022
3023 2011-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
3024
3025         * doc/invoke.texi (Overall Options): Improve wording and markup
3026         of the description of -wrapper.
3027
3028 2011-01-06  Joseph Myers  <joseph@codesourcery.com>
3029
3030         * config/sol2.opt (G, YP,, Ym,, compat-bsd, pthread, pthreads,
3031         rdynamic, threads): New Driver options.
3032
3033 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3034
3035         PR target/38118
3036         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Also switch to .bss
3037         if coming from .tdata.
3038         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
3039
3040 2011-01-06  Jan Hubicka  <jh@suse.cz>
3041
3042         PR lto/47188
3043         * collect2.c (main): Do not enable LTOmode when plugin is active.
3044
3045 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3046
3047         PR other/45915
3048         * configure.ac (gcc_cv_as_gnu_unique_object): Only use ldd
3049         --version output if supported.
3050         * configure: Regenerate.
3051
3052 2011-01-06  Joseph Myers  <joseph@codesourcery.com>
3053
3054         * config/linux-android.opt (tno-android-cc, tno-android-ld): New
3055         Driver options.
3056
3057 2011-01-06  Jakub Jelinek  <jakub@redhat.com>
3058
3059         PR c/47150
3060         * c-convert.c (convert): When converting a complex expression
3061         other than COMPLEX_EXPR to a different complex type, ensure
3062         c_save_expr is called instead of save_expr, unless in_late_binary_op.
3063         * c-typeck.c (convert_for_assignment): Set in_late_binary_op also
3064         when converting COMPLEX_TYPE.
3065
3066 2011-01-06  Ira Rosen  <irar@il.ibm.com>
3067
3068         PR tree-optimization/47139
3069         * tree-vect-loop.c (vect_is_simple_reduction_1): Check that
3070         only the last reduction value is used outside the loop.  Update
3071         documentation.
3072
3073 2011-01-05  Joseph Myers  <joseph@codesourcery.com>
3074
3075         * config/rtems.opt: New.
3076         * config.gcc (*-*-rtems*): Use rtems.opt.
3077
3078 2011-01-05  Changpeng Fang  <changpeng.fang@amd.com>
3079
3080         * config/i386/i386.c (ix86_option_override_internal): Bulldozer
3081         processors do not support 3DNow instructions.
3082
3083 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3084
3085         * config/spu/spu.c (spu_option_override): Set parameter
3086         PARAM_MAX_COMPLETELY_PEEL_TIMES to 4 instead of 1.
3087
3088 2011-01-05  Jan Hubicka  <jh@suse.cz>
3089
3090         * lto-wrapper.c (run_gcc): Default to WHOPR mode when none is specified
3091         at the command line.
3092
3093 2011-01-05  Martin Jambor  <mjambor@suse.cz>
3094
3095         PR lto/47162
3096         * lto-cgraph.c (output_cgraph_opt_summary_p): Also check for thunk
3097         deltas on streamed outgoing edges.
3098         (output_node_opt_summary): Output info for outgoing edges only when
3099         the node is in new parameter set.
3100         (output_cgraph_opt_summary): New parameter set, passed to the two
3101         aforementioned functions.  Update its forward declaration and its
3102         callee too.
3103
3104 2011-01-05  Tom Tromey  <tromey@redhat.com>
3105
3106         * c-parser.c (c_parser_omp_atomic): Pass location of assignment
3107         operator to c_finish_omp_atomic.
3108         * c-typeck.c (lvalue_or_else): Add 'loc' argument.
3109         (build_unary_op): Update.
3110         (build_modify_expr): Update.
3111         (build_asm_expr): Update.
3112
3113 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3114
3115         * config/spu/spu.c (emit_nop_for_insn): Set INSN_LOCATOR for
3116         newly inserted insns.
3117         (pad_bb): Likewise.
3118         (spu_emit_branch_hint): Likewise.
3119         (insert_hbrp_for_ilb_runout): Likewise.
3120         (spu_machine_dependent_reorg): Call df_finish_pass after
3121         schedule_insns returns.
3122
3123 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3124
3125         * config/spu/spu.c (spu_expand_prologue): Support -fstack-usage.
3126
3127 2011-01-05  Eric Botcazou  <ebotcazou@adacore.com>
3128
3129         PR tree-optimization/47005
3130         * tree-sra.c (struct access): Add 'non_addressable' bit.
3131         (create_access): Set it for a DECL_NONADDRESSABLE_P field.
3132         (decide_one_param_reduction): Return 0 if the parameter is passed by
3133         reference and one of the accesses in the group is non_addressable.
3134
3135 2011-01-04  Eric Botcazou  <ebotcazou@adacore.com>
3136
3137         PR tree-optimization/47056
3138         * cgraphbuild.c (mark_address): Remove ATTRIBUTE_UNUSED markers.
3139         (mark_load): Likewise.  Handle FUNCTION_DECL specially.
3140         (mark_store): Likewise.  Pass STMT to ipa_record_reference.
3141
3142 2011-01-04  Eric Botcazou  <ebotcazou@adacore.com>
3143
3144         * dwarf2out.c (rtl_for_decl_init): Strip no-op conversions off the
3145         initializer.  Skip view conversions from aggregate types.
3146
3147 2011-01-04  Kai Tietz  <kai.tietz@onevision.com>
3148
3149         PR bootstrap/47055
3150         * libgcov.c (gcov_exit): Check for HAS_DRIVE_SPEC.
3151
3152 2011-01-04  Philipp Thomas <pth@suse.de>
3153
3154         * config/microblaze/microbalse.opt (mxl-float-convert): Fix
3155         obvious typo.
3156
3157 2011-01-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3158
3159         * function.c (thread_prologue_and_epilogue_insns): Do not crash
3160         on empty epilogue sequences.
3161
3162 2011-01-04  Joseph Myers  <joseph@codesourcery.com>
3163
3164         * config/vxworks.opt (Bdynamic, Bstatic, Xbind-lazy, Xbind-now,
3165         non-static): New Driver options.
3166
3167 2011-01-04  Jie Zhang  <jie@codesourcery.com>
3168
3169         PR driver/47137
3170         * gcc.c (default_compilers[]): Set combinable field to 0
3171         for all assembly languages.
3172
3173 2011-01-04  Mingjie Xing  <mingjie.xing@gmail.com>
3174
3175         * config/mips/loongson3a.md: New file.
3176         * config/mips/mips.md: Include loongson3a.md.
3177         * config/mips/mips.c (mips_multipass_dfa_lookahead): Return 4 when
3178         TUNE_LOONGSON_3A.
3179
3180 2011-01-03  Eric Botcazou  <ebotcazou@adacore.com>
3181
3182         PR middle-end/47017
3183         * expr.c (expand_expr_real_1) <MEM_REF>: Call memory_address_addr_space
3184         instead of convert_memory_address_addr_space on the base expression.
3185
3186 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3187
3188         * config/spu/spu.c (spu_option_override): Update error text
3189         for bad -march= / -mtune= values.
3190
3191 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3192
3193         * config/spu/spu.c (asm_file_start): Only reset flag_var_tracking
3194         if branch-hint optimization will be performed.
3195
3196 2011-01-03  Jakub Jelinek  <jakub@redhat.com>
3197
3198         PR tree-optimization/47148
3199         * ipa-split.c (split_function): Convert arguments to
3200         DECL_ARG_TYPE if possible.
3201
3202         PR tree-optimization/47155
3203         * tree-ssa-ccp.c (bit_value_binop_1): Use r1type instead of type
3204         when computing uns.
3205
3206         PR rtl-optimization/47157
3207         * combine.c (try_combine): If undobuf.other_insn becomes
3208         (set (pc) (pc)) jump, call update_cfg_for_uncondjump on it
3209         and set *new_direct_jump_p too.
3210
3211 2011-01-03  Sebastian Pop  <sebastian.pop@amd.com>
3212
3213         PR tree-optimization/47021
3214         * graphite-sese-to-poly.c (scan_tree_for_params): Handle ADDR_EXPR.
3215
3216 2011-01-03  Jakub Jelinek  <jakub@redhat.com>
3217
3218         * gcc.c (process_command): Update copyright notice dates.
3219         * gcov.c (print_version): Likewise.
3220         * gcov-dump.c (print_version): Likewise.
3221         * mips-tfile.c (main): Likewise.
3222         * mips-tdump.c (main): Likewise.
3223
3224 2011-01-03  Martin Jambor  <mjambor@suse.cz>
3225
3226         PR tree-optimization/46801
3227         * tree-sra.c (type_internals_preclude_sra_p): Check whether
3228         aggregate fields start at byte boundary instead of the bit-field flag.
3229
3230 2011-01-03  H.J. Lu  <hongjiu.lu@intel.com>
3231
3232         PR driver/47137
3233         * gcc.c (main): Revert revision 168407.
3234
3235 2011-01-03  Martin Jambor  <mjambor@suse.cz>
3236
3237         * lto-cgraph.c (input_cgraph_opt_section): Use the correct section type.
3238
3239 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3240
3241         * tree-vect-generic.c (expand_vector_operations_1): When using vector/
3242         vector optab to expand vector/scalar shift, update gimple to vector.
3243
3244 2011-01-03  Martin Jambor  <mjambor@suse.cz>
3245
3246         * cgraphunit.c (verify_cgraph_node): Verify there is no direct call to
3247         a thunk.
3248
3249 2011-01-03  Martin Jambor  <mjambor@suse.cz>
3250
3251         PR tree-optimization/46984
3252         * cgraph.h (cgraph_indirect_call_info): make field thunk_delta
3253         HOST_WIDE_INT.
3254         (cgraph_create_indirect_edge): Fixed line length.
3255         (cgraph_indirect_call_info): Declare.
3256         (cgraph_make_edge_direct) Update declaration.
3257         * cgraph.c (cgraph_allocate_init_indirect_info): New function.
3258         (cgraph_create_indirect_edge): Use it.
3259         (cgraph_make_edge_direct): Made delta HOST_WIDE_INT.  Updated all
3260         callees.
3261         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update for
3262         the new thunk_delta representation.
3263         * ipa-prop.c (ipa_make_edge_direct_to_target): Convert delta to
3264         HOST_WIDE_INT.
3265         (ipa_write_indirect_edge_info): Remove streaming of thunk_delta.
3266         (ipa_read_indirect_edge_info): Likewise.
3267         * lto-cgraph.c (output_edge_opt_summary): New function.
3268         (output_node_opt_summary): Call it on all outgoing edges.
3269         (input_edge_opt_summary): New function.
3270         (input_node_opt_summary): Call it on all outgoing edges.
3271
3272 2011-01-02  H.J. Lu  <hongjiu.lu@intel.com>
3273
3274         PR driver/47137
3275         * gcc.c (main): Don't check have_o when settting combine_inputs.
3276
3277 2011-01-02  Eric Botcazou  <ebotcazou@adacore.com>
3278
3279         * regrename.c: Add general comment describing the pass.
3280         (struct du_head): Remove 'length' field.
3281         (get_element, merge_sort_comparison, merge, sort_du_head): Remove.
3282         (regrename_optimize): Do not sort chains.  Rework comments, add others.
3283         Force renaming to the preferred class (if any) in the first pass and do
3284         not consider registers that belong to it in the second pass.
3285         (create_new_chain): Do not set 'length' field.
3286         (scan_rtx_reg): Likewise.
3287
3288 2011-01-02  Jakub Jelinek  <jakub@redhat.com>
3289
3290         PR tree-optimization/47140
3291         * tree-ssa-ccp.c (evaluate_stmt): For binary assignments, use
3292         TREE_TYPE (lhs) instead of TREE_TYPE (rhs1) as second argument
3293         to bit_value_binop.
3294
3295         PR rtl-optimization/47028
3296         * cfgexpand.c (gimple_expand_cfg): Insert entry edge insertions after
3297         parm_birth_insn instead of at the beginning of first bb.
3298
3299 2011-01-02  Mingjie Xing  <mingjie.xing@gmail.com>
3300
3301         * doc/generic.texi: Remove duplicated "@subsubsection Statements".
3302         Remove the word "see" before "@pxref".
3303         * doc/rtl.texi: Remove the word "see" before "@pxref".
3304
3305 2011-01-01  Jan Hubicka  <jh@suse.cz>
3306
3307         * tree-loop-distribution.c (tree_loop_distribution): Do not use freed
3308         memory.
3309
3310 2011-01-01  Kai Tietz  <kai.tietz@onevision.com>
3311
3312         PR target/38662
3313         * tree.c (type_hash_eq): Call language hook for METHOD_TYPEs, too.
3314
3315 \f
3316 Copyright (C) 2011 Free Software Foundation, Inc.
3317
3318 Copying and distribution of this file, with or without modification,
3319 are permitted in any medium without royalty provided the copyright
3320 notice and this notice are preserved.