gcc/ChangeLog

   1 2012-07-06  Alexandre Oilva  <aoliva@redhat.com>
   2
   3         PR rtl-optimization/53827
   4         PR debug/53671
   5         PR debug/49888
   6         * alias.c (memrefs_conflict_p): Adjust offset and size by the
   7         same amount for alignment ANDs.
   8
   9 2012-07-06  Tom de Vries  <tom@codesourcery.com>
  10
  11         PR tree-optimization/51879
  12         * tree-ssa-sccvn.c (copy_reference_ops_from_call)
  13         (visit_reference_op_call): Handle case that lhs is not an SSA_NAME.
  14         (visit_use): Also call visit_reference_op_call for calls with a vdef.
  15
  16 2012-07-06  Tom de Vries  <tom@codesourcery.com>
  17
  18         PR tree-optimization/52009
  19         * tree-ssa-tail-merge.c (gimple_equal_p): For GIMPLE_ASSIGN, compare
  20         value numbers of gimple_vdef.
  21         * tree-ssa-sccvn.h (vn_reference_insert): Add vdef parameter to
  22         prototype.
  23         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle MODIFY_EXPR.
  24         (vn_reference_insert): Add and handle vdef parameter.
  25         (visit_reference_op_load): Add argument to vn_reference_insert call.
  26         (visit_reference_op_store): Find value number of vdef of store.  Insert
  27         value number of vdef of store.
  28
  29 2012-07-06  Uros Bizjak  <ubizjak@gmail.com>
  30
  31         * config/i386/i386.md (simple lea to add peephole): Also transform
  32         RTXes where second PLUS operand matches output.
  33
  34 2012-07-06  Uros Bizjak  <ubizjak@gmail.com>
  35
  36         * config/i386/i386.c (construct_plt_address): Make static.
  37         * config/i386/i386-protos.h (construct_plt_address): Remove.
  38
  39 2012-07-06  Nick Clifton  <nickc@redhat.com>
  40
  41         * config/mn10300/mn10300.c (mn10300_encode_section_info): Call
  42         default_encode_section_info.
  43
  44 2012-07-06  Uros Bizjak  <ubizjak@gmail.com>
  45
  46         PR target/53853
  47         * config/i386/i386.c (x86_output_mi_thunk): For CM_LARGE_PIC model,
  48         emit PIC sequence for fnaddr symbol reference in advance.
  49
  50 2012-07-06  Eric Botcazou  <ebotcazou@adacore.com>
  51
  52         Revert
  53         2012-06-14  Eric Botcazou  <ebotcazou@adacore.com>
  54
  55         * dwarf2out.c (function_possibly_abstracted_p): New static function.
  56         (gen_subprogram_die): Use it function_possibly_abstracted_p in lieu of
  57         cgraph_function_possibly_inlined_p.
  58         (gen_inlined_subroutine_die): Return if the origin is to be ignored.
  59         (process_scope_var): Do not emit concrete instances of abstracted
  60         nested functions from here.
  61         (gen_decl_die): Emit the abstract instance if the function is possibly
  62         abstracted and not only possibly inlined.
  63         (dwarf2out_finish): Find the first non-abstract parent instance and
  64         attach concrete instances on the limbo list to it.
  65
  66 2012-07-05  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
  67             Julian Brown  <julian@codesourcery.com>
  68
  69         PR target/48941
  70         PR target/51980
  71         * config/arm/neon-gen.ml (return_by_ptr): Delete.
  72         (print_function): Handle empty strings.
  73         (return): Delete use of return_by_ptr.
  74         (mask_shape_for_shuffle): New function.
  75         (mask_elems): Likewise.
  76         (shuffle_fn): Likewise.
  77         (params): Simplify and remove use of return_by_ptr.
  78         (get_shuffle): New function.
  79         (print_variant): Update.
  80         * config/arm/neon.ml (rev_elems): New function.
  81         (permute_range): Likewise.
  82         (zip_range): Likewise.
  83         (uzip_range): Likewise.
  84         (trn_range): Likewise.
  85         (zip_elems): Likewise.
  86         (uzip_elems): Likewise.
  87         (trn_elems): Likewise.
  88         (features): New enumeration Use_shuffle. Delete ReturnPtr.
  89         (pf_su_8_16): New.
  90         (suf_32): New.
  91         (ops): Update entries for Vrev64, Vrev32, Vrev16, Vtr, Vzip, Vuzp.
  92         * config/arm/arm_neon.h: Regenerate.
  93
  94 2012-07-05  Richard Guenther  <rguenther@suse.de>
  95
  96         * tree-pretty-print.c (dump_generic_node): Properly test
  97         the result of exact_log2.
  98
  99 2012-07-05  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 100
 101         * config/s390/s390-protos.h (s390_expand_movmem)
 102         (s390_expand_cmpmem): Add return value.
 103         * config/s390/s390.c (s390_expand_movmem, s390_expand_cmpmem):
 104         Return FALSE to use the library function in some cases.
 105         * config/s390/s390.md (movmem, cmpmem): Evaluate return value of C
 106         helper functions.
 107
 108 2012-07-05  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 109
 110         * config.gcc: Enable ifunc attribute by default on s390 and s390x.
 111
 112 2012-07-05  Steven Bosscher  <steven@gcc.gnu.org>
 113
 114         * expr.c (try_casesi): Remove bogus ATTRIBUTE_UNUSED markers.
 115         * stmt.c (dump_case_nodes): New.
 116         (expand_case): Split out code generation parts into new functions.
 117         (expand_switch_as_decision_tree_p): Split out from expand_case.
 118         (emit_case_decision_tree): Likewise.
 119         (emit_case_dispatch_table): Likewise.
 120
 121 2012-07-05  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 122
 123         * config/arm/iterators.md (SDF): New mode iterator.
 124         (V_if_elem): Add support for SF and DF modes.
 125         (V_reg): Likewise.
 126         (F_constraint): New mode iterator attribute.
 127         (F_fma_type): Likewise.
 128         config/arm/vfp.md (fma<SDF:mode>4): New pattern.
 129         (*fmsub<SDF:mode>4): Likewise.
 130         (*fmnsub<SDF:mode>4): Likewise.
 131         (*fmnadd<SDF:mode>4): Likewise.
 132
 133 2012-07-04  Uros Bizjak  <ubizjak@gmail.com>
 134
 135         * expmed.c (expand_mult): Initialize coeff and is_neg.
 136
 137 2012-07-04  Oleg Endo  <olegendo@gcc.gnu.org>
 138
 139         * config/sh/predicates.md (zero_extend_operand): New predicate.
 140         * config/sh/sh.md (zero_extendhisi2): Simplify by using new
 141         zero_extend_operand predicate.
 142         (zero_extendqisi2): Likewise.
 143
 144 2012-07-04  Uros Bizjak  <ubizjak@gmail.com>
 145
 146         PR middle-end/53321
 147         * ipa.c (symtab_remove_unreachable_nodes): Partially revert r187375
 148         to not call cgraph_propagate_frequency if something was changed.
 149
 150 2012-07-04  Richard Guenther  <rguenther@suse.de>
 151
 152         PR middle-end/53433
 153         * gimple-fold.c (get_base_constructor): Do not return an
 154         error_mark_node DECL_INITIAL.
 155
 156 2012-07-04  Richard Guenther  <rguenther@suse.de>
 157
 158         PR tree-optimization/53844
 159         * tree-ssa-dse.c (dse_possible_dead_store_p): Properly handle
 160         the loop virtual PHI.
 161
 162 2012-07-04  Richard Guenther  <rguenther@suse.de>
 163
 164         PR tree-optimization/53849
 165         * tree-cfg.c (move_stmt_op): Only call add_referenced_var
 166         for duplicated locals.  Use add_referenced_var_1 to avoid
 167         pushing/popping cfun.
 168
 169 2012-07-04  Kai Tietz  <ktietz@redhat.com>
 170
 171         * config/i386/winnt.c (i386_pe_reloc_rw_mask): New function.
 172         * config/i386/i386-protos.h (i386_pe_reloc_rw_mask): Add
 173         prototype.
 174         * config/i386/cygming.h (TARGET_ASM_RELOC_RW_MASK): Define
 175         as i386_pe_reloc_rw_mask.
 176
 177 2012-07-04  Richard Guenther  <rguenther@suse.de>
 178
 179         * tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same
 180         as in free_lang_data_in_type.
 181
 182 2012-07-04  Tobias Grosser <tobias@grosser.es>
 183             Michael Matz  <matz@suse.de>
 184
 185         * Makefile.in (OBJS): Add graphite-optimize-isl.o.
 186         (graphite-optimize-isl.o): Add dependencies.
 187         * common.opt (floop-nest-optimize): New flag.
 188         * doc/invoke.texi (floop-nest-optimize): Document.
 189         * graphite-dependences.c (compute_deps): Export.
 190         * graphite-poly.h (compute_deps): Declare.
 191         * graphite-optimize-isl.c: New file.
 192         * graphite-poly.c (apply_poly_transforms): Run the loop
 193         nest optimizer.
 194         * tree-ssa-loop.c (gate_graphite_transforms): Enable graphite
 195         if -floop-nest-optimize is enabled.
 196
 197 2012-07-03  Oleg Endo  <olegendo@gcc.gnu.org>
 198
 199         * config/sh/predicates.md (logical_and_operand): New predicate.
 200         * config/sh/constraints.md (Jmb, Jmw): New constraints.
 201         * config/sh/sh.md (andsi3): Move expander above insns.  Add handling
 202         of 0xFFFF constant.  Use logical_and_operand predicate and
 203         satisfies_constraint_Jmb, satisfies_constraint_Jmw.
 204         (*andsi3_compact): Make it an insn_and_split.  Use
 205         logical_and_operand predicate.  Add Jmb,Jmw alternatives.
 206
 207 2012-07-03  Jason Merrill  <jason@redhat.com>
 208
 209         PR c++/53826
 210         * tree.c (build_zero_cst): Handle NULLPTR_TYPE.
 211
 212 2012-07-03  Nick Clifton  <nickc@redhat.com>
 213
 214         * config/mep/mep.c (mep_reorg_regmove): Use
 215         next_nonnote_non_debug_insn to advance to the next insn.  Do not
 216         expect delete_insn to return an rtx.
 217
 218 2012-07-03  Richard Guenther  <rguenther@suse.de>
 219
 220         * doc/install.texi (CLooG): Clarify how CLooG needs to be
 221         configured and that it needs to be built against ISL 0.10.
 222
 223 2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
 224
 225         * config/i386/i386.c (ix86_option_override_internal): Fix wrong
 226         code model string in the error message.
 227
 228 2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
 229
 230         PR target/53811
 231         * config/i386/i386.c (x86_output_mi_thunk): Check if fnaddr satisfies
 232         sibcall_insn_operand.  Move it to a temporary register if not.
 233
 234 2012-07-03  Andreas Schwab  <schwab@linux-m68k.org>
 235
 236         PR target/28896
 237         * config/m68k/m68k.c (m68k_option_override): Reset stack_limit_rtx
 238         if !TARGET_68020.
 239
 240 2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
 241
 242         * config/i386/xmmintrin.h (_mm_sfence): Use __builtin_ia32_pause.
 243
 244 2012-07-03  Roland McGrath  <mcgrathr@google.com>
 245
 246         * configure.ac (HAVE_AS_IX86_REP_LOCK_PREFIX): Also require that the
 247         assembler accept 'rep bsf ...', 'rep bsr ...', 'rep ret' and 'rep nop'.
 248         * configure: Regenerated.
 249         * config/i386/i386.md (simple_return_internal_long): Use %;
 250         (ctz<mode>2): Likewise.
 251         (*pause): Likewise.
 252
 253 2012-07-02  Oleg Endo  <olegendo@gcc.gnu.org>
 254
 255         PR target/51244
 256         * config/sh/predicates.md (t_reg_operand, negt_reg_operand): New
 257         predicates.
 258         * config/sh/sh-protos.h (get_t_reg_rtx): New prototype.
 259         * config/sh/sh.c (get_t_reg_rtx): New function.  Use it when invoking
 260         gen_branch_true and gen_branch_false.
 261         * config/sh/sh.md: Use get_t_reg_rtx when invoking gen_branch_true and
 262         gen_branch_false.
 263         (branch_true, branch_false): Use t_reg_operand predicate.
 264         (*branch_true, *branch_false): Delete.
 265         (movt): Use t_reg_operand predicate.
 266         (*negnegt): Use negt_reg_operand predicate and fold little and big
 267         endian variants.
 268         (*movtt): Use t_reg_operand and fold little and big endian variants.
 269         (*movt_qi): Delete.
 270
 271 2012-07-02  Steven Bosscher  <steven@gcc.gnu.org>
 272
 273         * stmt.c (emit_case_bit_tests): Remove.
 274         (expand_case): Remove expand_switch_using_bit_tests_p code.
 275         * tree-switch-conversion.c (hoist_edge_and_branch_if_true): New.
 276         (MAX_CASE_BIT_TESTS): Moved from stmt.c to here.
 277         (lshift_cheap_p): Likewise.
 278         (expand_switch_using_bit_tests_p): Likewise.
 279         (struct case_bit_test): Likewise.
 280         (case_bit_test_cmp): Likewise.
 281         (emit_case_bit_tests): New implementation for GIMPLE.
 282         (gen_inbound_check): Do not release post-dominator info here.
 283         (process_switch): Reorder code.  Expand as bit tests if it
 284         looks like a win.
 285         (do_switchconv): Release post-dominator info here if something changed.
 286         (struct gimple_opt_pass): Verify more.
 287         * tree.h (expand_switch_using_bit_tests_p): Remove prototype.
 288
 289 2012-07-02  Martin Jambor  <mjambor@suse.cz>
 290
 291         PR middle-end/38474
 292         * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
 293         dynamic type change check.
 294
 295 2012-07-02  Richard Guenther  <rguenther@suse.de>
 296             Michael Matz  <matz@suse.de>
 297             Tobias Grosser <tobias@grosser.es>
 298             Sebastian Pop <sebpop@gmail.com>
 299
 300         * Makefile.in: Remove PPL flags in favor of ISL ones.
 301         (BACKENDLIBS): Remove PPL libs.
 302         (INCLUDES): Remove PPL includes in favor of ISL ones.
 303         (graphite-clast-to-gimple.o): Remove graphite-dependences.h and
 304         graphite-cloog-compat.h dependencies.
 305         (graphite-dependences.o): Likewise.
 306         (graphite-poly.o): Likewise.
 307         * configure.ac: Declare ISL vars instead of PPL ones.
 308         * configure: Regenerated.
 309         * doc/install.texi: Replace PPL requirement documentation with ISL one.
 310         * graphite-blocking.c: Remove PPL code, add ISL equivalent.
 311         * graphite-clast-to-gimple.c: Likewise.
 312         * graphite-dependences.c: Likewise.
 313         * graphite-interchange.c: Likewise.
 314         * graphite-poly.h: Likewise.
 315         * graphite-poly.c: Likewise.
 316         * graphite-sese-to-poly.c: Likewise.
 317         * graphite.c: Likewise.
 318         * graphite-scop-detection.c: Re-arrange includes.
 319         * graphite-cloog-util.c: Remove.
 320         * graphite-cloog-util.h: Likewise.
 321         * graphite-ppl.h: Likewise.
 322         * graphite-ppl.c: Likewise.
 323         * graphite-dependences.h: Likewise.
 324
 325 2012-07-02  Richard Guenther  <rguenther@suse.de>
 326
 327         Merge from graphite branch
 328         2011-07-21  Tobias Grosser  <tobias@grosser.es>
 329
 330         * Makefile.in (graphite-clast-to-gimple.o, graphite-cloog-util.o):
 331         Remove graphite-cloog-util.h.
 332         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop,
 333         build_iv_mapping, translate_clast_user, translate_clast,
 334         free_scattering, initialize_cloog_names, build_cloog_prog,
 335         create_params_index): Do not use old compatibility functions.
 336         (clast_name_to_index, set_cloog_options): Remove code for legacy cloog.
 337         * graphite-cloog-util.c (openscop_print_cloog_matrix): Do not use old
 338         compatibility functions.
 339         (new_Cloog_Scattering_from_ppl_Polyhedron): Remove code for legacy
 340         cloog.
 341         * graphite-cloog-util.h: Remove include of graphite-cloog-util.h.
 342         * graphite.c (graphite.c): Do not call outdated cloog_initialize() and
 343         cloog_finalize().
 344         * graphite-cloog-compat.h: Remove.
 345
 346         2011-08-09  Tobias Grosser <tobias@grosser.es>
 347
 348         * graphite-clast-to-gimple.c (new_clast_name_index): Store a copy
 349         of the string, no just a reference.
 350         (clast_name_index): Add a new field, that specifies if we need to free
 351         the name.
 352         (free_clast_name_index): If necessary, free the name string.
 353         (clast_name_index_elt_info): Calculate the hash based on the string
 354         content, not the memory location it is stored in.
 355         (clast_name_to_level): Specify that we do not need to free the name.
 356         (clast_name_to_index): Dito.
 357         (clast_name_to_lb_ub): Dito.
 358         (eq_clast_name_indexes): Compare the strings, not their base pointers.
 359         (free_scattering): Removed.
 360         (initialize_cloog_names): Renamed to add_names_to_union_domain().
 361         (add_names_to_union_domain): Changed to work on a union_domain,
 362         instead of a CloogNames structure.
 363         (build_cloog_prog): Removed.
 364         (build_cloog_union_domain): New.
 365         (generate_cloog_input): New.
 366         (scop_to_clast): Use CloogInput instead of CloogProgram.
 367         (print_generated_program): Adapt to new scop_to_clast() and do not
 368         print the CloogProgram any more.
 369         (create_params_index): Removed, functionality integrated in
 370         add_names_to_union_domain().
 371         (gloog): Adapt to new scop_to_clast().
 372         * graphite-clast-to-gimple.h (scop_to_clast): Remove.
 373
 374         2012-01-11  Tobias Grosser <tobias@grosser.es>
 375
 376         * graphite-clast-to-gimple.c (clast_name_to_index,
 377         clast_name_to_lb_ub, clast_name_to_gcc): Change types.
 378         (clast_to_gcc_expression): Add clast_expr_name as a new
 379         case. Do not assume a clast_expr_term points always to a
 380         clast_expr_name.
 381         (type_for_clast_term): Do not assume a clast_expr_term points always to
 382         a clast_expr_name.
 383         (type_for_clast_name): New.
 384         (type_for_clast_expr): Add clast_expr_name as a new case.
 385
 386         2011-08-03  Sebastian Pop <sebpop@gmail.com>
 387
 388         * graphite-cloog-util.c (new_Cloog_Domain_from_ppl_Polyhedron,
 389         new_Cloog_Scattering_from_ppl_Polyhedron,
 390         new_Cloog_Domain_from_ppl_Pointset_Powerset): Remove ATTRIBUTE_UNUSED.
 391
 392 2012-07-02  Jakub Jelinek  <jakub@redhat.com>
 393
 394         PR tree-optimization/53645
 395         * tree-vect-generic.c (expand_vector_divmod): Use TYPE_MODE (type)
 396         instead of TYPE_MODE (wider_type) as can_vec_perm_p argument.
 397
 398 2012-07-01  Wei Guozhi  <carrot@google.com>
 399
 400         PR target/53447
 401         * config/arm/arm-protos.h (const_ok_for_dimode_op): New prototype.
 402         * config/arm/arm.c (const_ok_for_dimode_op): New function.
 403         * config/arm/constraints.md (Dd): New constraint.
 404         * config/arm/predicates.md (arm_adddi_operand): New predicate.
 405         * config/arm/arm.md (adddi3): Extend it to handle constants.
 406         (arm_adddi3): Likewise.
 407         (addsi3_carryin_<optab>): Extend it to handle sbc case.
 408         (addsi3_carryin_alt2_<optab>): Likewise.
 409         * config/arm/neon.md (adddi3_neon): Extend it to handle constants.
 410
 411 2012-06-30  Nathan Sidwell  <nathan@acm.org>
 412
 413         * coverage.c (bbg_file_stamp): New.
 414         (read_counts_file): Merge incoming stamp with bbg_file_stamp.
 415         (build_info): Write bbg_file_stamp.
 416         (coverage_init): Initialize bbg_file_stamp.  Read counts file
 417         before writing graph header.
 418         (coverage_finish): Don't unlink the data file if we can generate a
 419         unique file stamp.
 420         * tree.h (crc32_unsigned): Declare.
 421         * tree.c (crc32_unsigned_bits): New, broken out of ...
 422         (crc32_byte): ... here.  Use it.
 423         (crc32_unsigned): New.
 424
 425 2012-06-29  Cary Coutant  <ccoutant@google.com>
 426
 427         * dwarf2out.c (add_pubname_string): Don't check for want_pubnames.
 428         (gen_subprogram_die): Don't add pubname if want_pubnames is false.
 429         (gen_variable_die): Likewise.
 430         (gen_namespace_die): Likewise.
 431
 432 2012-06-29  Eric Botcazou  <ebotcazou@adacore.com>
 433
 434         * tree-eh.c (lower_try_finally_switch): Really put the location of the
 435         last statement of the finally block onto the switch.
 436
 437 2012-06-29  H.J. Lu  <hongjiu.lu@intel.com>
 438
 439         PR target/53539
 440         * config/i386/gnu-user64.h (WCHAR_TYPE): Use "int" only for
 441         TARGET_LP64.
 442
 443 2012-06-29  Sterling Augustine  <saugustine@google.com>
 444
 445         * dwarf2out.c (add_pubname): Add comment.
 446         (add_pubtype): Fix indentation.
 447         (gen_enumeration_type_die): Likewise.
 448
 449 2012-06-29  Jakub Jelinek  <jakub@redhat.com>
 450
 451         * tree-vect-generic.c (expand_vector_divmod): For even/odd
 452         widening multiply, put even always as first argument to VEC_PERM_EXPR.
 453
 454 2012-06-29  Richard Henderson  <rth@redhat.com>
 455
 456         * tree-vect-generic.c: Include target.h.
 457         (expand_vector_divmod): Use builtin_mul_widen_even/odd if supported.
 458         * Makefile.in (tree-vect-generic.o): Update.
 459
 460 2012-06-29  Steven Bosscher  <steven@gcc.gnu.org>
 461
 462         * configure.ac: Remove special gtfiles case for C.
 463         * configure: Regenerate.
 464         * Makefile.in: Remove C front-end hooks and build hooks that
 465         will be picked up from c/Make-lang.in now.
 466         Add tree-mudflap to C_COMMON_OBJS.
 467         * gengtype.c (files_rules): Adjust gt-files for c/c-decl.c.
 468         * config/vms/vms.c: Look for c-tree.h in c/.
 469         * doc/gty.texi: Remove reference to c-config-lang.in.
 470         * doc/sourcebuild.texi: Document the c/ subdirectory.
 471
 472 2012-06-29  Steven Bosscher  <steven@gcc.gnu.org>
 473
 474         * system.h (CASE_USE_BIT_TESTS): Poison.
 475         * stmt.c (CASE_USE_BIT_TESTS): Fold away into its only user ...
 476         (expand_switch_using_bit_tests_p): ...here.
 477         * doc/tm.texi.in (CASE_USE_BIT_TESTS): Remove documentation.
 478         * doc/tm.texi (CASE_USE_BIT_TESTS): Regenerate.
 479
 480 2012-06-29  Steven Bosscher  <steven@gcc.gnu.org>
 481
 482         * system.h (IFCVT_EXTRA_FIELDS): Poison.
 483         (IFCVT_INIT_EXTRA_FIELDS): Poison.
 484         * basic-block.h (struct ce_if_block): Remove IFCVT_EXTRA_FIELDS.
 485         * ifcvt.c (find_if_header): Use IFCVT_MACHDEP_INIT instead of
 486         IFCVT_INIT_EXTRA_FIELDS.
 487         * gengtype-parse.c (struct_field_seq): Remove obsolete comment.
 488         * config/frv/frv.h (IFCVT_INIT_EXTRA_FIELDS): Rename to
 489         IFCVT_MACHDEP_INIT.
 490         * config/frv/frv.c (frv_ifcvt_init_extra_fields): Rename to
 491         frv_ifcvt_machdep_init.
 492         * doc/tm.texi.in (IFCVT_INIT_EXTRA_FIELDS, IFCVT_EXTRA_FIELDS):
 493         Remove documentation.
 494         (IFCVT_MACHDEP_INIT): Document.
 495         * doc/tm.texi: Regenerate.
 496
 497 2012-06-29  Nick Clifton  <nickc@redhat.com>
 498
 499         * config/lm32/lm32.c (lm32_compute_frame_size): Fix typo.
 500
 501 2012-06-29  Jakub Jelinek  <jakub@redhat.com>
 502
 503         * tree-vect-stmts.c (vectorizable_operation): Check both
 504         VEC_WIDEN_MULT_LO_EXPR and VEC_WIDEN_MULT_HI_EXPR optabs.
 505         Verify that operand[0]'s mode is TYPE_MODE (wide_vectype).
 506
 507 2012-06-28  Richard Henderson  <rth@redhat.com>
 508
 509         * doc/generic.texi (MULT_HIGHPART_EXPR): Document it.
 510
 511 2012-06-28  Jakub Jelinek  <jakub@redhat.com>
 512
 513         PR tree-optimization/51581
 514         * tree-vect-stmts.c (permute_vec_elements): Add forward decl.
 515         (vectorizable_operation): Handle vectorization of MULT_HIGHPART_EXPR
 516         also using VEC_WIDEN_MULT_*_EXPR or builtin_mul_widen_* plus
 517         VEC_PERM_EXPR if vector MULT_HIGHPART_EXPR isn't supported.
 518         * tree-vect-patterns.c (vect_recog_divmod_pattern): Use
 519         MULT_HIGHPART_EXPR instead of VEC_WIDEN_MULT_*_EXPR and shifts.
 520
 521         PR tree-optimization/53645
 522         * tree-vect-generic.c (expand_vector_divmod): Use MULT_HIGHPART_EXPR
 523         instead of VEC_WIDEN_MULT_{HI,LO}_EXPR followed by VEC_PERM_EXPR
 524         if possible.
 525
 526 2012-06-28  Georg-Johann Lay  <avr@gjlay.de>
 527
 528         PR 53595
 529         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
 530         * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
 531         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
 532         avr_hard_regno_call_part_clobbered.
 533
 534 2012-06-28  Richard Guenther  <rguenther@suse.de>
 535
 536         PR middle-end/53790
 537         * expr.c (expand_expr_real_1): Verify if the type is complete
 538         before inspecting its size.
 539
 540 2012-06-28  Andreas Schwab  <schwab@linux-m68k.org>
 541
 542         * doc/include/gpl.texi: Remove.
 543         * doc/sourcebuild.texi (Texinfo Manuals): Don't mention gpl.texi.
 544
 545 2012-06-28  Jakub Jelinek  <jakub@redhat.com>
 546
 547         PR tree-optimization/53645
 548         * tree-vect-generic.c (add_rshift): New function.
 549         (expand_vector_divmod): New function.
 550         (expand_vector_operation): Use it for vector integer
 551         TRUNC_{DIV,MOD}_EXPR by VECTOR_CST.
 552         * tree-vect-patterns.c (vect_recog_divmod_pattern): Replace
 553         unused lguup variable with dummy_int.
 554
 555 2012-06-28  OLivier Hainque  <hainque@adacore.com>
 556
 557         * expr.c (convert_move): Latch mem integer inputs into a
 558         register before expanding a multi-instructions sequence.
 559
 560 2012-06-28  Alexandre Oliva  <aoliva@redhat.com>
 561             Uros Bizjak  <ubizjak@gmail.com>
 562             Jakub Jelinek  <jakub@redhat.com>
 563
 564         PR debug/53706
 565         PR debug/47624
 566         * var-tracking.c (vt_emit_notes): Release loc_exp_dep_pool...
 567         (vt_finalize): ... here instead, if needed.
 568
 569 2012-06-28  Alexandre Oliva  <aoliva@redhat.com>
 570
 571         PR debug/53740
 572         PR debug/52983
 573         PR debug/48866
 574         * dce.c (word_dce_process_block): Check whether inserting debug
 575         temps are needed even for needed insns.
 576         (dce_process_block): Likewise.
 577         * df-problems.c (dead_debug_add): Add comment about multi-regs.
 578         (dead_debug_insert_temp): Likewise.  Don't subreg when we're
 579         setting fewer regs than a multi-reg requires.
 580
 581 2012-06-27  Richard Henderson  <rth@redhat.com>
 582
 583         * config/alpha/alpha.c (alpha_dimode_u): New.
 584         (alpha_init_builtins): Initialize it, and use it.
 585         (alpha_fold_builtin_cmpbge): Use alpha_dimode_u.
 586         (alpha_fold_builtin_zapnot, alpha_fold_builtin_insxx): Likewise.
 587         (alpha_fold_vector_minmax, alpha_fold_builtin_perr): Likewise.
 588         (alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb): Likewise.
 589         (alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw): Likewise.
 590         (alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz): Likewise.
 591         (alpha_fold_builtin_ctpop): Likewise.
 592         (alpha_fold_builtin_umulh): Remove.
 593         (alpha_fold_builtin): Use MULT_HIGHPART_EXPR for UMULH; fix
 594         typo in MAX_ARGS check.
 595
 596 2012-06-27  Richard Henderson  <rth@redhat.com>
 597
 598         * tree.def (MULT_HIGHPART_EXPR): New.
 599         * cfgexpand.c (expand_debug_expr): Ignore it.
 600         * expr.c (expand_expr_real_2): Handle it.
 601         * fold-const.c (int_const_binop_1): Likewise.
 602         * optabs.c (optab_for_tree_code): Likewise.
 603         * tree-cfg.c (verify_gimple_assign_binary): Likewise.
 604         * tree-inline.c (estimate_operator_cost): Likewise.
 605         * tree-pretty-print.c (dump_generic_node): Likewise.
 606         (op_code_prio, op_symbol_code): Likewise.
 607         * tree.c (commutative_tree_code): Likewise.  Also handle
 608         WIDEN_MULT_EXPR, VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR.
 609
 610 2012-06-27  Richard Henderson  <rth@redhat.com>
 611
 612         PR target/53749
 613         * config/i386/i386.c (ix86_rtx_costs): Fix typo vs UNITS_PER_WORD
 614         in 2012-06-23 change.  Adjust two other DImode tests as well.
 615
 616 2012-06-27  Nick Clifton  <nickc@redhat.com>
 617
 618         * config/rx/rx.md (comparesi3_extend): Remove = modifier from
 619         input operand.
 620
 621 2012-06-27  Richard Guenther  <rguenther@suse.de>
 622
 623         PR middle-end/53676
 624         * tree-chrec.c (chrec_convert_1): Represent truncation to
 625         a type with undefined overflow as truncation to an unsigned
 626         type converted to the type with undefined overflow.
 627         * tree-scalar-evolution.c (interpret_rhs_expr): For computing
 628         the scalar evolution of a truncated widened operation avoid
 629         looking at the non-existing evolution of the widened operation
 630         result.
 631
 632 2012-06-27  Richard Guenther  <rguenther@suse.de>
 633
 634         PR tree-optimization/53774
 635         * tree-ssa-reassoc.c (get_rank): All default defs have
 636         precomputed rank.
 637         (init_reassoc): Precompute rank for all SSA default defs.
 638
 639 2012-06-27  Nick Clifton  <nickc@redhat.com>
 640
 641         * config/rx/rx.md (simple_return): Use the simple_return rtx.
 642
 643 2012-06-26  Richard Henderson  <rth@redhat.com>
 644
 645         * config/i386/i386.c (ix86_rtx_costs): Use standard_sse_constant_p
 646         and don't fall thru from standard_80387_constant_p to the memory
 647         fallback.
 648
 649 2012-06-26  Richard Henderson  <rth@redhat.com>
 650
 651         * config/i386/i386.c (bdesc_args): Update.  Change
 652         IX86_BUILTIN_VEC_WIDEN_SMUL_ODD_V4SI to OPTION_MASK_ISA_SSE2.
 653         (IX86_BUILTIN_VEC_WIDEN_SMUL_EVEN_V4SI): New.
 654         (ix86_builtin_mul_widen_even): Use it.
 655         (ix86_builtin_mul_widen_odd): Relax SMUL_ODD from sse4 to sse2.
 656         (ix86_expand_mul_widen_evenodd): Handle signed for sse2.
 657         * config/i386/sse.md (vec_widen_<s>mult_hi_<V124_AVX2>): Allow
 658         for all SSE2.
 659         (vec_widen_<s>mult_lo_<V124_AVX2>): Likewise.
 660         (vec_widen_<s>mult_odd_<VI4_AVX2>): Likewise.  Relax from V124_AVX2.
 661         (vec_widen_smult_even_v4si): New.
 662
 663 2012-06-26  Richard Henderson  <rth@redhat.com>
 664
 665         * config/i386/sse.md (mul<VI8_AVX2>3): Change from insn_and_split
 666         to expander; move guts to ...
 667         * config/i386/i386.c (ix86_expand_sse2_mulvxdi3): ... here.  Add
 668         highparts before shifting up.
 669         * config/i386/i386-protos.h: Update.
 670
 671 2012-06-26  Steven Bosscher  <steven@gcc.gnu.org>
 672
 673         * system.h (USE_COMMON_FOR_ONE_ONLY): Poison.
 674         * defaults.h (USE_COMMON_FOR_ONE_ONLY): Do not provide default.
 675         * config/darwin.h (USE_COMMON_FOR_ONE_ONLY): Do not define.
 676
 677 2012-06-26  Alexandre Oliva  <aoliva@redhat.com>
 678
 679         * var-tracking.c (vt_add_function_parameter): Use a preserved
 680         VALUE for the MEM address of an incoming parameter.
 681
 682 2012-06-26  Sterling Augustine <saugustine@google.com>
 683
 684         * dwarf2out.c (output_pubnames): Add check for DW_TAG_enumerator.
 685         (prune_unused_types): Likewise.
 686
 687 2012-06-26  Steven Bosscher  <steven@gcc.gnu.org>
 688
 689         * system.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
 690         UNALIGNED_LONG_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Poison.
 691         * vmsdbgout.c (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
 692         UNALIGNED_LONG_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Rename to
 693         VMS_UNALIGNED_SHORT_ASM_OP, VMS_UNALIGNED_INT_ASM_OP,
 694         VMS_UNALIGNED_LONG_ASM_OP, and VMS_UNALIGNED_DOUBLE_INT_ASM_OP.
 695         * config/microblaze/microblaze.h (UNALIGNED_SHORT_ASM_OP,
 696         UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Do not define.
 697         * doc/tm.texi.in: Remove UNALIGNED_INT_ASM_OP reference from the
 698         documentation.
 699         * doc/tm.texi: Regenerate.
 700         * doc/cpp.texi: Make example for #error generic.
 701         * config/frv/frv.h: Fix example text to match tm.texi.
 702
 703 2012-06-26  Bill Schmidt  <wschmidt@linux.ibm.com>
 704
 705         * tree-pass.h (pass_strength_reduction): New decl.
 706         * tree-ssa-loop-ivopts.c (initialize_costs): Make non-static.
 707         (finalize_costs): Likewise.
 708         * timevar.def (TV_TREE_SLSR): New timevar.
 709         * gimple-ssa-strength-reduction.c: New.
 710         * tree-flow.h (initialize_costs): New decl.
 711         (finalize_costs): Likewise.
 712         * Makefile.in (tree-ssa-strength-reduction.o): New dependencies.
 713         * passes.c (init_optimization_passes): Add pass_strength_reduction.
 714
 715 2012-06-26  Matt Turner  <mattst88@gmail.com>
 716
 717         * doc/extend.texi (__builtin_arm_tinsrb): Add missing second parameter.
 718         (__builtin_arm_tinsrh): Likewise.
 719         (__builtin_arm_tinsrw): Likewise.
 720         (__builtin_arm_wsadb): Add missing v2si parameter.
 721         (__builtin_arm_wsadh): Likewise.
 722         (__builtin_arm_getwcx): Delete.
 723         (__builtin_arm_setwcx): Delete.
 724         (__builtin_arm_getwcgr0): Add.
 725         (__builtin_arm_getwcgr1): Add.
 726         (__builtin_arm_getwcgr2): Add.
 727         (__builtin_arm_getwcgr3): Add.
 728         (__builtin_arm_setwcgr0): Add.
 729         (__builtin_arm_setwcgr1): Add.
 730         (__builtin_arm_setwcgr2): Add.
 731         (__builtin_arm_setwcgr3): Add.
 732
 733 2012-06-26  Richard Guenther  <rguenther@suse.de>
 734
 735         Revert
 736         2012-06-21  Richard Guenther  <rguenther@suse.de>
 737
 738         * tree-inline.c (estimate_num_insns): Estimate call cost for
 739         tailcalls properly.
 740
 741 2012-06-26  Steven Bosscher  <steven@gcc.gnu.org>
 742
 743         PR other/33190
 744         * doc/tm.texi.in: Document LOGICAL_OP_NON_SHORT_CIRCUIT.
 745         * doc/tm.texi: Regenerate.
 746
 747 2012-06-26  Steven Bosscher  <steven@gcc.gnu.org>
 748
 749         PR other/33190
 750         * config/mips/mips.h: Do not define ALL_COP_ADDITIONAL_REGISTER_NAMES.
 751         * config/frv/frv.h: Do not define REVERSE_CONDEXEC_PREDICATES_P.
 752         * doc/tm.texi.in: Remove documentation for unused target macros
 753         ALL_COP_ADDITIONAL_REGISTER_NAMES, DBX_OUTPUT_LBRAC, DBX_OUTPUT_NFUN,
 754         DBX_OUTPUT_RBRAC, RANGE_TEST_NON_SHORT_CIRCUIT, REAL_VALUE_TRUNCATE,
 755         REVERSE_CONDEXEC_PREDICATES_P, TARGET_ALIGN_ANON_BITFIELDS, and
 756         TARGET_NARROW_VOLATILE_BITFIELDS.
 757         Document that MD_HANDLE_UNWABI is a macro in libgcc.
 758         * doc/tm.texi: Regenerate.
 759         * system.h: Poison target macros
 760         ALL_COP_ADDITIONAL_REGISTER_NAMES, DBX_OUTPUT_LBRAC, DBX_OUTPUT_NFUN,
 761         DBX_OUTPUT_RBRAC, RANGE_TEST_NON_SHORT_CIRCUIT, REAL_VALUE_TRUNCATE,
 762         REVERSE_CONDEXEC_PREDICATES_P, TARGET_ALIGN_ANON_BITFIELDS, and
 763         TARGET_NARROW_VOLATILE_BITFIELDS
 764
 765 2012-06-26  Jan Hubicka  <jh@suse.cz>
 766
 767         PR lto/53572
 768         * cgraph.h (varpool_can_remove_if_no_refs): Fix handling of
 769         used symbols.
 770
 771 2012-06-26  Dehao Chen  <dehao@google.com>
 772
 773         * tree-inline.c: (expand_call_inline): Ensure that lexical block's
 774         source location is consistant with the call stmt.
 775
 776 2012-06-26  Ulrich Weigand  <ulrich.weigand@linaro.org>
 777
 778         PR tree-optimization/53729
 779         PR tree-optimization/53636
 780         * tree-vect-slp.c (vect_slp_analyze_bb_1): Delay call to
 781         vect_verify_datarefs_alignment until after statements have
 782         been marked as relevant/irrelevant.
 783         * tree-vect-data-refs.c (vect_verify_datarefs_alignment):
 784         Skip irrelevant statements.
 785         (vect_enhance_data_refs_alignment): Use STMT_VINFO_RELEVANT_P
 786         instead of STMT_VINFO_RELEVANT.
 787         (vect_get_data_access_cost): Do not check for supportable
 788         alignment before calling vect_get_load_cost/vect_get_store_cost.
 789         * tree-vect-stmts.c (vect_get_store_cost): Do not abort when
 790         handling unsupported alignment.
 791         (vect_get_load_cost): Likewise.
 792
 793 2012-06-25  Steven Bosscher  <steven@gcc.gnu.org>
 794
 795         * config/rl78/rl78.h: Do not undefine DONT_USE_BUILTIN_SETJMP.
 796         Do not define JMP_BUF_SIZE.
 797
 798 2012-06-26  Jakub Jelinek  <jakub@redhat.com>
 799
 800         PR tree-optimization/53748
 801         * tree-ssa-phiopt.c (conditional_replacement): Only optimize
 802         if arg0/arg1 have integral or pointer types.
 803
 804 2012-06-25  Richard Henderson  <rth@redhat.com>
 805
 806         * config/i386/sse.md (sse2_sse4_1): Remove code attr.
 807         (<s>dot_prodv4si, <s>dot_prodv8si): Remove
 808         (sdot_prodv4si): New; handle only XOP.
 809
 810 2012-06-25  Richard Henderson  <rth@redhat.com>
 811
 812         * config/i386/i386-builtin-types.def (V4UDI, V8USI): New.
 813         (V2UDI_FUNC_V4USI_V4USI): New.
 814         (V4UDI_FUNC_V8USI_V8USI): New.
 815         * config/i386/i386.c (ix86_expand_args_builtin): Handle them.
 816         (IX86_BUILTIN_VEC_WIDEN_SMUL_ODD_V4SI): New.
 817         (IX86_BUILTIN_VEC_WIDEN_SMUL_ODD_V8SI): New.
 818         (IX86_BUILTIN_VEC_WIDEN_UMUL_ODD_V4SI): New.
 819         (IX86_BUILTIN_VEC_WIDEN_UMUL_ODD_V8SI): New.
 820         (IX86_BUILTIN_VEC_WIDEN_UMUL_EVEN_V4SI): New.
 821         (IX86_BUILTIN_VEC_WIDEN_UMUL_EVEN_V8SI): New.
 822         (bdesc_args): Add them.
 823         (ix86_builtin_mul_widen_even, ix86_builtin_mul_widen_odd): New.
 824         (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
 825         (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
 826         (ix86_expand_mul_widen_evenodd): Use xop_pmacsdqh.
 827         * config/i386/sse.md (vec_widen_<s>mult_odd_<V124_AVX2>): New.
 828
 829 2012-06-25  Richard Henderson  <rth@redhat.com>
 830
 831         * config/i386.sse.md (mul<VI4_AVX2>3): Use xop_pmacsdd.
 832
 833 2012-06-25  Richard Henderson  <rth@redhat.com>
 834
 835         * config/i386/i386.c (ix86_rtx_costs) [MULT]: Only apply XOP cost
 836         to V16QImode.
 837         (ix86_expand_vec_interleave): New.
 838         (ix86_expand_mul_widen_evenodd): New.
 839         (ix86_expand_mul_widen_hilo): New.
 840         (ix86_expand_sse2_mulv4si3): Use ix86_expand_mul_widen_evenodd.
 841         * config/i386/i386.md (u_bool) New code attr.
 842         * config/i386/predicates.md
 843         (nonimmediate_or_const_vector_operand): Remove.
 844         * config/i386/sse.md (mul<VI4_AVX2>3): Don't use it; don't test
 845         both AVX and SSE4_1.
 846         (vec_widen<s>mult_hi_<VI2_AVX2>): Remove.
 847         (vec_widen<s>mult_lo_<VI2_AVX2>): Remove.
 848         (vec_widen<s>mult_hi_v8si): Remove.
 849         (vec_widen<s>mult_lo_v8si): Remove.
 850         (vec_widen_smult_hi_v4si): Remove.
 851         (vec_widen_smult_lo_v4si): Remove.
 852         (vec_widen_umult_hi_v4si): Remove.
 853         (vec_widen_umult_lo_v4si): Remove.
 854         (vec_widen_<s>mult_hi_<VI124_AVX2>): New.
 855         (vec_widen_<s>mult_lo_<VI124_AVX2>): New.
 856         * config/i386/i386-protos.h: Update.
 857
 858 2012-06-25  Christophe Lyon  <christophe.lyon@st.com>
 859
 860         * config/arm/neon.md (UNSPEC_VLD1_DUP): Remove.
 861         (neon_vld1_dup): Restrict to VQ operands.
 862         (neon_vld1_dupv2di): New, fixes vld1q_dup_s64.
 863
 864 2012-06-25  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 865             James Greenhalgh  <james.greenhalgh@arm.com>
 866
 867         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Add new built-ins.
 868         (TARGET_FMA): New macro.
 869         (TARGET_ARM_QBIT, TARGET_ARM_SAT): Likewise.
 870         (TARGET_ARM_ARCH): Likewise.
 871         (TARGET_ARM_ARCH_ISA_THUMB): Likewise.
 872         (TARGET_V6M, TARGET_V7M): Likewise.
 873         (TARGET_ARM_ARCH_PROFILE): Likewise.
 874         (TARGET_ARM_FEATURE_LDREX): Likewise.
 875         (TARGET_ARM_FP, TARGET_NEON_FP): Likewise.
 876         (ARM_MIN_ENUM_SIZE): Likewise.
 877         * config/arm/arm.c (arm_file_start): Refactor appropriately.
 878         (base_architecture): New enumeration.
 879         (arm_base_arch): New global variable.
 880         (processors): Add field base_arch.
 881         (ARM_ARCH, ARM_CORE): Adjust accordingly.
 882         (arm_option_override): Add initialization of arm_base_arch.
 883         * doc/cpp.texi (system-specific predefined macros.): Change.
 884
 885 2012-06-25  Jakub Jelinek  <jakub@redhat.com>
 886
 887         PR target/53759
 888         * config/i386/sse.md (sse_loadlps): Use x m x constraints instead
 889         of x x x in the vmovlps load alternative.
 890
 891 2012-06-25  Richard Sandiford  <rdsandiford@googlemail.com>
 892
 893         PR debug/53740
 894         * df.h (dead_debug_add): Remove third argument.
 895         * df-problems.c (dead_debug_add): Likewise.  Use the REGNO of the
 896         REG that we want to replace instead.
 897         (dead_debug_insert_temp): Use the REGNO of the reg that we want
 898         to replace instead of DF_REF_REGNO.  Require there to always be
 899         at least one such use.  Check for cases where the same location
 900         has more than df_ref associated with it.
 901         (df_note_bb_compute): Remove third dead_debug_add argument.
 902         * dce.c (word_dce_process_block): Likewise.
 903
 904 2012-06-25  Steven Bosscher  <steven@gcc.gnu.org>
 905
 906         * config/v850/v850.c: Remove redundant extern declarations for
 907         last_assemble_variable_decl and size_directive_output.
 908
 909         * doc/tm.texi.in: Document JMP_BUF_SIZE.
 910         * doc/tm.texi: Regenerate.
 911         * config/sparc/sparc.h (JMP_BUF_SIZE): Do not define.
 912         * config/pa/pa.h (JMP_BUF_SIZE): Likewise.
 913         * config/stormy16/stormy16.h: Likewise.
 914
 915         * config/picochip/picochip.c: Do not define DONT_USE_BUILTIN_SETJMP.
 916
 917         * doc/sourcebuild.texi: Add missing subdirectories.
 918
 919 2012-06-25  Tristan Gingold  <gingold@adacore.com>
 920
 921         * config/i386/i386.h: Fix typo.
 922
 923 2012-06-25  Tristan Gingold  <gingold@adacore.com>
 924
 925         * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ...
 926         (seh_cfa_adjust_cfa): ... that function.
 927         (seh_emit_stackalloc): Do not emit out of range values.
 928         * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE,
 929         UNSPEC_DEF_CFA constants.
 930         * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define.
 931         * config/i386/i386.c (ix86_frame_pointer_required): Required
 932         for very large frames on SEH target.
 933         (ix86_compute_frame_layout): Save area is before frame pointer
 934         on SEH target.  Handle very large frames.
 935         (ix86_expand_prologue): Likewise.
 936
 937 2012-06-24  Steven Bosscher  <steven@gcc.gnu.org>
 938
 939         * output.h: (current_function_is_leaf,
 940         current_function_sp_is_unchanging,
 941         current_function_uses_only_leaf_regs): Remove.
 942         * function.c (current_function_is_leaf,
 943         current_function_sp_is_unchanging,
 944         current_function_uses_only_leaf_regs): Remove.
 945         (rest_of_handle_check_leaf_regs): Set crtl->uses_only_leaf_regs
 946         instead of current_function_uses_only_leaf_regs.
 947         * function.h (struct rtl_data): New fields sp_is_unchanging,
 948         is_leaf, uses_only_leaf_regs.
 949         * resource.c (init_resource_info): Replace current_function_is_leaf,
 950         current_function_sp_is_unchanging, and
 951         current_function_uses_only_leaf_regs with new crtl fields.
 952         * sdbout.c (sdbout_symbol): Likewise.
 953         * df-core.c (rest_of_handle_df_initialize): Likewise.
 954         * ira.c (ira): Likewise.
 955         * final.c (final_start_function): Likewise.
 956         * reorg.c (fill_simple_delay_slots): Likewise.
 957         * regrename.c (check_new_reg_p): Likewise.
 958         * stack-ptr-mod.c (notice_stack_pointer_modification_1): Likewise.
 959         (notice_stack_pointer_modification): Likewise.
 960         * dbxout.c (dbxout_symbol): Likewise.
 961         (dbxout_parms): Likewise.
 962         * sel-sched.c (init_regs_for_mode): Likewise.
 963         * dwarf2out.c (dbx_reg_number): Likewise.
 964         (multiple_reg_loc_descriptor): Likewise.
 965         * config/i386/i386.c (ix86_frame_pointer_required): Likewise.
 966         (gen_pop): Likewise.
 967         (ix86_select_alt_pic_regnum): Likewise.
 968         (ix86_compute_frame_layout): Likewise.
 969         (ix86_finalize_stack_realign_flags): Likewise.
 970         (ix86_expand_epilogue): Likewise.
 971         * config/rs6000/rs6000.c (rs6000_stack_info): Likewise.
 972         * config/h8300/h8300.c (byte_reg): Likewise.
 973         * config/c6x/c6x.c (must_reload_pic_reg_p): Likewise.
 974         (c6x_save_reg): Likewise.
 975         (c6x_compute_frame_layout): Likewise.
 976         * config/pa/pa.c (pa_compute_frame_size): Likewise.
 977         (pa_output_function_prologue): Likewise.
 978         * config/stormy16/stormy16.c (struct xstormy16_stack_layout): Likewise.
 979         * config/sparc/sparc.md (attr "leaf_function"): Likewise.
 980         * config/sparc/sparc.c (sparc_initial_elimination_offset): Likewise.
 981         (sparc_expand_prologue): Likewise.
 982         (sparc_flat_expand_prologue): Likewise.
 983         (sparc_asm_function_prologue): Likewise.
 984         (sparc_output_mi_thunk): Likewise.
 985         (sparc_frame_pointer_required): Likewise.
 986         * config/epiphany/epiphany.c (epiphany_compute_function_type):
 987         Likewise.
 988         (epiphany_compute_frame_size): Likewise.
 989         * config/lm32/lm32.c (lm32_compute_frame_size): Likewise.
 990         * config/cris/cris.c (cris_md_asm_clobbers): Likewise.
 991         (cris_frame_pointer_required): Likewise.
 992         * config/tilepro/tilepro.c (emit_sp_adjust): Likewise.
 993         (tilepro_current_function_is_leaf): Likewise.
 994         * config/arm/arm.c (arm_compute_save_reg0_reg12_mask): Likewise.
 995         * config/pdp11/pdp11.c (pdp11_expand_epilogue): Likewise.
 996         * config/ia64/ia64.c (find_gr_spill): Likewise.
 997         (ia64_compute_frame_size): Likewise.
 998         (ia64_can_eliminate): Likewise.
 999         (ia64_initial_elimination_offset): Likewise.
1000         * config/m68k/m68k.c (m68k_save_reg): Likewise.
1001         (m68k_expand_epilogue): Likewise.
1002         * config/rx/rx.c (rx_get_stack_layout): Likewise.
1003         * config/tilegx/tilegx.c (tilegx_current_function_is_leaf): Likewise.
1004         * config/picochip/picochip.c (picochip_can_eliminate_link_sp_save):
1005         Likewise.
1006         (picochip_output_frame_debug): Likewise.
1007         * config/sh/sh.c (sh_media_register_for_return): Likewise.
1008         (sh_allocate_initial_value): Likewise.
1009         (sh_output_mi_thunk): Likewise.
1010         * config/microblaze/microblaze.c (microblaze_must_save_register):
1011         Likewise.
1012         (compute_frame_size): Likewise.
1013         (microblaze_initial_elimination_offset): Likewise.
1014         (microblaze_expand_prologue): Likewise.
1015         (microblaze_expand_epilogue): Likewise.
1016         * config/frv/frv.c (frv_expand_epilogue): Likewise.
1017         (frv_frame_pointer_required): Likewise.
1018         * config/spu/spu.c (get_pic_reg): Likewise.
1019         (direct_return): Likewise.
1020         (spu_expand_prologue): Likewise.
1021         (spu_expand_epilogue): Likewise.
1022         (spu_initial_elimination_offset): Likewise.
1023         * config/mips/mips.c (mips_global_pointer): Likewise.
1024         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
1025         (mips_compute_frame_info): Likewise.
1026         * config/mep/mep.c (mep_interrupt_saved_reg): Likewise.
1027         (mep_reload_pointer): Likewise.
1028         * config/rl78/rl78.c (need_to_save): Likewise.
1029         * config/cr16/cr16.c (cr16_compute_save_regs): Likewise.
1030         * config/score/score.c (score_compute_frame_size): Likewise.
1031         (score_function_prologue): Likewise.
1032         * config/bfin/bfin.c (must_save_p): Likewise.
1033         (expand_prologue_reg_save): Likewise.
1034         (expand_epilogue_reg_restore): Likewise.
1035         (bfin_frame_pointer_required): Likewise.
1036         (n_regs_saved_by_prologue): Likewise.
1037         (add_to_reg): Likewise.
1038         (expand_interrupt_handler_prologue): Likewise.
1039         (expand_interrupt_handler_epilogue): Likewise.
1040         (bfin_expand_prologue): Likewise.
1041         * config/avr/avr.c (avr_regs_to_save): Likewise.
1042         (avr_prologue_setup_frame): Likewise.
1043         (expand_epilogue): Likewise.
1044         * config/s390/s390.c (s390_regs_ever_clobbered): Likewise.
1045         (s390_register_info): Likewise.
1046         (s390_frame_info): Likewise.
1047         (s390_init_frame_layout): Likewise.
1048         (s390_emit_prologue): Likewise.
1049
1050
1051 2012-06-24  Steven Bosscher  <steven@gcc.gnu.org>
1052
1053         * system.h: Poison ASM_BYTE_OP and ASM_OUTPUT_BYTE.
1054         * vmsdbgout: Do not undefine it if defined.
1055         Rename local ASM_BYTE_OP definition to VMS_ASM_BYTE_OP.
1056         * config/microblaze/microblaze/h: Do no define ASM_BYTE_OP.
1057         * config/mep/mep.h: Do not define ASM_OUTPUT_BYTE.
1058
1059 2012-06-24  Richard Sandiford  <rdsandiford@googlemail.com>
1060
1061         * config/mips/mips.c (mips_process_sync_loop): Add missing enum cast.
1062
1063 2012-06-23  Richard Henderson  <rth@redhat.com>
1064
1065         PR target/53749
1066         * config/i386/i386.c (ix86_rtx_costs): Add reasonable costs for
1067         V*QImode shifts and multiply.
1068         (ix86_expand_vecop_qihi): Support shifts.
1069         * config/i386/i386.md (any_shift): New code iterator.
1070         * config/i386/sse.md (ashlv16qi3): Merge ...
1071         (<any_shiftrt>v16qi3): ... into ...
1072         (<any_shift><VI1_AVX2>3): ... here.  Use ix86_expand_vecop_qihi
1073         to support SSE and AVX.
1074
1075         * config/i386/i386.c (ix86_expand_sse_unpack): Split operands[]
1076         parameter into src and dest.
1077         * config/i386/sse.md (vec_unpacku_hi_<V124_AVX2>): Update call.
1078         (vec_unpacks_hi_<V124_AVX2>): Likewise.
1079         (vec_unpacku_lo_<V124_AVX2>): Likewise.
1080         (vec_unpacks_lo_<V124_AVX2>): Likewise.
1081         * config/i386/i386-protos.h: Update.
1082
1083         * config/i386/sse.md (mul<VI1_AVX2>3): Change from insn_and_split to
1084         pure expander; move expansion code ...
1085         * config/i386/i386.c (ix86_expand_vecop_qihi): ... here.  New function.
1086         * config/i386/i386-protos.h: Update.
1087
1088 2012-06-22  Edmar Wienskoski  <edmar@freescale.com>
1089
1090         * config/rs6000/rs6000.md (define_attr "type"): New type popcnt.
1091         (popcntb<mode>2): Add attribute type popcnt.
1092         (popcntd<mode>2): Ditto.
1093         * config/rs6000/power4.md (define_insn_reservation): Add type popcnt.
1094         * config/rs6000/power5.md (define_insn_reservation): Ditto.
1095         * config/rs6000/power7.md (define_insn_reservation): Ditto.
1096         * config/rs6000/476.md (define_insn_reservation): Ditto.
1097         * config/rs6000/power6.md (define_insn_reservation): New
1098         reservation for popcnt instructions.
1099
1100 2012-06-22  H.J. Lu  <hongjiu.lu@intel.com>
1101
1102         * doc/invoke.texi: Update -mpreferred-stack-boundary=3 warning.
1103
1104 2012-06-22  H.J. Lu  <hongjiu.lu@intel.com>
1105
1106         PR target/53383
1107         * doc/invoke.texi: Add a warning for -mpreferred-stack-boundary=3.
1108
1109         * config/i386/i386.c (ix86_option_override_internal): Allow
1110         -mpreferred-stack-boundary=3 for 64-bit if SSE is disabled.
1111
1112         * config/i386/i386.h (MIN_STACK_BOUNDARY): Set to 64 for 64-bit
1113         if SSE is disabled.
1114
1115 2012-06-22  Bill Schmidt  <wschmidt@linux.ibm.com>
1116
1117         * double-int.c (double_int_multiple_of): New function.
1118         * double-int.h (double_int_multiple_of): New decl.
1119         * tree-ssa-loop-ivopts.c (add_cost, zero_cost): Remove undefs.
1120         (mbc_entry_hash): New forward decl.
1121         (mbc_entry_eq): Likewise.
1122         (zero_cost): Change to no_cost.
1123         (mult_costs): New static var.
1124         (cost_tables_exist): Likewise.
1125         (initialize_costs): New function.
1126         (finalize_costs): Likewise.
1127         (tree_ssa_iv_optimize_init): Call initialize_costs.
1128         (add_cost): Change to add_regs_cost; distinguish costs by speed.
1129         (multiply_regs_cost): New function.
1130         (add_const_cost): Likewise.
1131         (extend_or_trunc_reg_cost): Likewise.
1132         (negate_reg_cost): Likewise.
1133         (multiply_by_cost): Change to multiply_by_const_cost; distinguish
1134         costs by speed.
1135         (get_address_cost): Change add_cost to add_regs_cost; change
1136         multiply_by_cost to multiply_by_const_cost.
1137         (force_expr_to_var_cost): Change zero_cost to no_cost; change
1138         add_cost to add_regs_cost; change multiply_by_cost to
1139         multiply_by_const_cost.
1140         (split_cost): Change zero_cost to no_cost.
1141         (ptr_difference_cost): Likewise.
1142         (difference_cost): Change zero_cost to no_cost; change multiply_by_cost
1143         to multiply_by_const_cost.
1144         (get_computation_cost_at): Change add_cost to add_regs_cost; change
1145         multiply_by_cost to multiply_by_const_cost.
1146         (determine_use_iv_cost_generic): Change zero_cost to no_cost.
1147         (determine_iv_cost): Change add_cost to add_regs_cost.
1148         (iv_ca_new): Change zero_cost to no_cost.
1149         (tree_ssa_iv_optimize_finalize): Call finalize_costs.
1150         * tree-ssa-address.c (most_expensive_mult_to_index): Change
1151         multiply_by_cost to multiply_by_const_cost.
1152         * tree-flow.h (multiply_by_cost): Change to multiply_by_const_cost.
1153         (add_regs_cost): New decl.
1154         (multiply_regs_cost): Likewise.
1155         (add_const_cost): Likewise.
1156         (extend_or_trunc_reg_cost): Likewise.
1157         (negate_reg_cost): Likewise.
1158
1159 2012-06-22  Richard Guenther  <rguenther@suse.de>
1160
1161         Merge from graphite branch
1162         2011-08-10  Sebastian Pop <sebpop@gmail.com>
1163
1164         * graphite-sese-to-poly.c (build_scop_drs): Fix memory leak.
1165
1166         2012-01-13  Tobias Grosser  <tobias@grosser.es>
1167
1168         * tree-flow.h (parallelized_function_p): Declare.
1169         * tree-parloops.c (parallelized_function_p): Export.
1170         * graphite.c (graphite_transform_loops): Do not run graphite on
1171         already parallel functions.
1172
1173 2012-06-22  Alan Modra  <amodra@gmail.com>
1174
1175         * config/rs6000/rs6000.c (rs6000_pre_atomic_barrier): Pass in and
1176         return mem.  Convert to indirect addressing if not indirect or
1177         indexed.  Adjust all callers.
1178
1179 2012-06-22  Richard Guenther  <rguenther@suse.de>
1180
1181         * gcov-iov.c: Include bconfig.h and system.h.
1182
1183 2012-06-22  Andreas Schwab  <schwab@linux-m68k.org>
1184
1185         * doc/include/texinfo.tex: Update to version 2012-06-05.14.
1186
1187 2012-06-22  Richard Guenther  <rguenther@suse.de>
1188
1189         PR gcov-profile/53744
1190         * gcov-iov.c (main): Treat "" and "prerelease" the same.
1191
1192 2012-06-22  Eric Botcazou  <ebotcazou@adacore.com>
1193
1194         PR debug/53704
1195         * dwarf2out.c (gen_compile_unit_die): Use DW_LANG_Fortran90 as language
1196         for GNU Fortran if in strict DWARF2 mode.
1197
1198 2012-06-22  Eric Botcazou  <ebotcazou@adacore.com>
1199
1200         * tree-ssa-live.c (remove_unused_scope_block_p): Remove again
1201         DECL_IGNORED_P non-reg vars even if they are used.
1202
1203 2012-06-21  Alexandre Oliva  <aoliva@redhat.com>
1204
1205         PR debug/53671
1206         PR debug/49888
1207         * var-tracking.c (vt_get_canonicalize_base): New.
1208         (vt_canonicalize_addr, vt_stack_offset_p): New.
1209         (vt_canon_true_dep): New.
1210         (drop_overlapping_mem_locs): Use vt_canon_true_dep.
1211         (clobber_overlaping_mems): Use vt_canonicalize_addr.
1212
1213 2012-06-21  Alexandre Oliva  <aoliva@redhat.com>
1214
1215         PR debug/53671
1216         PR debug/49888
1217         * var-tracking.c (vt_initialize): Record initial offset between
1218         arg pointer and stack pointer.
1219
1220 2012-06-21  Alexandre Oliva  <aoliva@redhat.com>
1221
1222         PR debug/53671
1223         PR debug/49888
1224         * var-tracking.c (vt_init_cfa_base): Drop redundant recording of
1225         CFA base.
1226
1227 2012-06-21  Alexandre Oliva  <aoliva@redhat.com>
1228
1229         PR debug/53671
1230         PR debug/49888
1231         * alias.c (memrefs_conflict_p): Improve handling of AND for alignment.
1232
1233 2012-06-21  Alexandre Oliva  <aoliva@redhat.com>
1234
1235         * ddg.c (build_intra_loop_deps): Discard deps of nondebug on debug.
1236
1237 2012-06-21  Alexandre Oliva  <aoliva@redhat.com>
1238
1239         PR debug/53682
1240         * cselib.c (promote_debug_loc): Don't crash on NULL argument.
1241
1242 2012-06-21  Meador Inge  <meadori@codesourcery.com>
1243
1244         PR c/53702
1245         * c-decl.c (c_push_function_context): Restore the behavior to reuse
1246         the language function allocated for -Wunused-local-typedefs.
1247         (c_pop_function_context): If necessary, clear the language function
1248         created in c_push_function_context.  Always clear out the
1249         x_cur_stmt_list field of the restored language function.
1250
1251 2012-06-21  Sterling Augustine  <saugustine@google.com>
1252             Cary Coutant  <ccoutant@google.com>
1253
1254         * dwarf2out.c (is_cu_die, is_namespace_die, is_class_die,
1255         add_AT_pubnames, add_enumerator_pubname, want_pubnames): New functions.
1256         (comdat_type_struct): New field 'skeleton_die'.
1257         (breakout_comdat_types): Update it.
1258         (add_pubname): Rework logic.  Call is_class_die, is_cu_die and
1259         is_namespace_die.  Fix minor style violation.  Call want_pubnames.
1260         (add_pubname_string): Call want_pubnames.
1261         (add_pubtype): Rework logic for calculating type name.  Call
1262         is_namespace_die.  Call want_pubnames.
1263         (output_pubnames): Move conditional logic deciding when to produce the
1264         section from dwarf2out_finish.  Use new skeleton_die field.
1265         (base_type_die): Call add_pubtype.
1266         (gen_enumeration_type_die): Unconditionally call add_pubtype.
1267         (gen_subprogram_die): Adjust calls to add_pubname.
1268         (gen_namespace_die): Call add_pubname_string.
1269         (dwarf2out_finish): Call add_AT_pubnames; Move logic on when to
1270         produce pubnames and pubtypes sections to output_pubnames.
1271         * common.opt (-gpubnames): New option.
1272         * doc/invoke.texi: Document it.
1273
1274 2012-06-21  Steven Bosscher  <steven@gcc.gnu.org>
1275
1276         * config/m32c/m32c-pragma.c: Remove unnecessary includes.
1277
1278 2012-06-21  Michael Matz  <matz@suse.de>
1279
1280         PR middle-end/53688
1281         * builtins.c (get_memory_rtx): Always build an all-aliasing MEM_REF
1282         with correct size.
1283
1284 2012-06-21  Richard Guenther  <rguenther@suse.de>
1285
1286         * tree-inline.c (estimate_num_insns): Estimate call cost for
1287         tailcalls properly.
1288
1289 2012-06-20  Rüdiger Sonderfeld  <ruediger@c-plusplus.de>
1290
1291         * tree.h (DECL_SOURCE_COLUMN): New accessor.
1292
1293 2012-06-20  Uros Bizjak  <ubizjak@gmail.com>
1294
1295         * config/i386/i386.md (SINCOS): New int iterator.
1296         (sincos): New int attribute.
1297         (*<sincos>xf2_i387): Macroize insn from *{sin,cos}xf2_i387 using
1298         SINCOS int iterator.
1299         (*<sincos>_extend<mode>xf2_i387): Macroize insn from
1300         *{sin,cos}_extend<mode>xf2_i387 using SINCOS int iterator.
1301
1302 2012-06-20  Uros Bizjak  <ubizjak@gmail.com>
1303
1304         * config/i386/i386.md (RDFSGSBASE): New int iterator.
1305         (WRFSGSBASE): Ditto.
1306         (fsgs): New int attribute.
1307         (rd<fsgs>base<mode>): Macroize insn from rd<fsgs>base<mode> using
1308         RDFSGSBASE int iterator.
1309         (wr<fsgs>base<mode>): Macroize insn from wr<fsgs>base<mode> using
1310         WRFSGSBASE int iterator.
1311
1312 2012-06-20  Uros Bizjak  <ubizjak@gmail.com>
1313
1314         * config/i386/i386.md (<rounding_insn><mode>2): Macroize expander
1315         from {floor,ceil,btrunc}<mode>2 using FIST_ROUNDING int iterator.
1316         (l<rounding_insn><MODEF:mode><SWI48:mode>2): Macroize expander
1317         from l{floor,ceil}<MODEF:mode><SWI48:mode>2 using FIST_ROUNDING
1318         int iterator.
1319
1320 2012-06-20  Steven Bosscher  <steven@gcc.gnu.org>
1321
1322         * system.h: Poison ASM_OUTPUT_IDENT and IDENT_ASM_OP.
1323
1324 2012-06-20  Richard Guenther  <rguenther@suse.de>
1325
1326         PR tree-optimization/30318
1327         * tree-vrp.c (range_int_cst_p): Do not reject overflowed
1328         constants here.
1329         (range_int_cst_singleton_p): But explicitely here.
1330         (zero_nonzero_bits_from_vr): And here.
1331         (extract_range_from_binary_expr_1): Re-implement PLUS_EXPR
1332         to cover all cases we can perform arbitrary precision
1333         arithmetic with double-ints.
1334         (intersect_ranges): Handle adjacent anti-ranges.
1335
1336 2012-06-20  Uros Bizjak  <ubizjak@gmail.com>
1337
1338         * config/i386/i386.md (rounding_insn): New int attribute.
1339         (<rounding_insn>xf2): Macroize insn from
1340         {floor,ceil,btrunc}xf2 using FRNDINT_ROUNDING int iterator.
1341         (l<rounding_insn>xf<mode>2): Rename from l<rounding>xf<mode>2.
1342
1343 2012-06-20  Uros Bizjak  <ubizjak@gmail.com>
1344
1345         * config/i386/i386.md (IEEE_MAXMIN): New int iterator.
1346         (ieee_maxmin): New int attribute.
1347         (*ieee_s<ieee_maxmin><mode>3): Macroize insn from
1348         *ieee_s{max,min}<mode>3 using IEEE_MAXMIN int iterator.
1349
1350 2012-06-20  Steven Bosscher  <steven@gcc.gnu.org>
1351
1352         * config/arm/arm.h (EMIT_EABI_ATTRIBUTE): Remove.
1353         * config/arm/arm.c: Do not include c-pragma.h.
1354         (arm_emit_eabi_attribute): New function based on EMIT_EABI_ATTRIBUTE.
1355         (arm_file_start): Replace uses of EMIT_EABI_ATTRIBUTE with calls
1356         to arm_emit_eabi_attribute.
1357         * arm-c.c: Do not include output.h.
1358         (arm_output_c_attributes): Replace use of EMIT_EABI_ATTRIBUTE with a
1359         call to arm_emit_eabi_attribute.
1360         * config/arm/arm-protos.h (arm_emit_eabi_attribute): Prototype it.
1361
1362 2012-06-20  Richard Guenther  <rguenther@suse.de>
1363
1364         * tree-vect-data-refs.c (vect_can_force_dr_alignment_p):
1365         Allow adjusting alignment of user-aligned decls again.
1366
1367 2012-06-20  Steven Bosscher  <steven@gcc.gnu.org>
1368
1369         * config/rl78/rl78-c.c: Remove unnecessary includes.
1370
1371 2012-06-20  Steven Bosscher  <steven@gcc.gnu.org>
1372
1373         * config/cris/cris.c: Include cgraph.h.
1374         (cris_option_override): Do not set non-existing flag_no_gcc_ident.
1375
1376 2012-06-19  Maxim Kuvyrkov  <maxim@codesourcery.com>
1377
1378         * emit-rtl.c (need_atomic_barrier_p): New function.
1379         * emit-rtl.h (need_atomic_barrier_p): Declare it.
1380         * config/alpha/alpha.c (alpha_{pre,post}_atomic_barrier): Use it.
1381         * config/arm/arm.c (arm_{pre,post}_atomic_barrier): Use it.
1382         * config/tilegx/tilegx.c (tile_{pre,post}_atomic_barrier): Use it.
1383         * config/mips/mips.c (mips_{pre,post}_atomic_barrier_p): Remove.
1384         (mips_process_sync_loop): Use generic version instead.
1385
1386 2012-06-19  Maxim Kuvyrkov  <maxim@codesourcery.com>
1387
1388         * config/mips/mips.c (mips_process_sync_loop): Emit cmp result only if
1389         it is used.
1390
1391 2012-06-19  Tom de Vries  <vries@codesourcery.com>
1392             Maxim Kuvyrkov  <maxim@codesourcery.com>
1393
1394         * config/mips/constraints.md (ZR): New constraint.
1395         * config/mips/predicates.md (mem_noofs_operand): New predicate.
1396         * config/mips/mips.c (mips_print_operand): Handle new print modifier.
1397         * config/mips/mips.h (TARGET_XLP): Define.
1398         (TARGET_SYNC_AFTER_SC): Update.
1399         (ISA_HAS_SWAP, ISA_HAS_LDADD): Define.
1400         * config/mips/sync.md (atomic_exchange, atomic_fetch_add): Use
1401         XLP-specific swap and ldadd patterns.
1402         (atomic_exchange_swap, atomic_fetch_add_ldadd): New patterns.
1403
1404 2012-06-19  Tom de Vries  <vries@codesourcery.com>
1405             Maxim Kuvyrkov  <maxim@codesourcery.com>
1406
1407         * config/mips/mips.c (mips_emit_pre_atomic_barrier_p,)
1408         (mips_emit_post_atomic_barrier_p): New static functions.
1409         (mips_process_sync_loop): Use them.  Emit sync memory barriers in
1410         accordance with memory model semantics.  Add return of CMP result for
1411         compare_and_swap.
1412         * config/mips/mips.md: Update comment.
1413         (sync_cmp): New attribute.
1414         (sync_memmodel): New attribute replacing sync_release_barrier.
1415         * config/mips/sync.md (UNSPEC_ATOMIC_COMPARE_AND_SWAP,)
1416         (UNSPEC_ATOMIC_EXCHANGE, UNSPEC_ATOMIC_FETCH_OP): New constants.
1417         (sync_lock_test_and_set, test_and_set_12): Update.
1418         (atomic_compare_and_swap, atomic_exchange, atomic_exchange_llsc,)
1419         (atomic_fetch_add, atomic_fetch_add_llsc): New patterns.
1420
1421 2012-06-19  Joseph Myers  <joseph@codesourcery.com>
1422
1423         * config/rs6000/spe.md (*mov_si<mode>_e500_subreg0): Rename to
1424         mov_si<mode>_e500_subreg0.
1425         (*mov_si<mode>_e500_subreg0_elf_low)
1426         (*mov_si<mode>_e500_subreg4_elf_low): New patterns.
1427
1428 2012-06-19  Richard Henderson  <rth@redhat.com>
1429
1430         * config/alpha/alpha.c: Include params.h.
1431         (alpha_option_override): Initialize PARAM_L1_CACHE_LINE_SIZE,
1432         PARAM_L1_CACHE_SIZE, PARAM_L2_CACHE_SIZE for the cpu tuning.
1433
1434 2012-06-19  Steven Bosscher  <steven@gcc.gnu.org>
1435
1436         * doc/tm.texi.in (TARGET_OBJC_DECLARE_UNRESOLVED_CLASS_REFERENCE,
1437         TARGET_OBJC_DECLARE_CLASS_DEFINITION): Add @hooks.
1438         (ASM_DECLARE_CLASS_REFERENCE, ASM_DECLARE_UNRESOLVED_REFERENCE):
1439         Remove.
1440         * doc/tm.texi: Regenerate.
1441         * config/darwin.h (ASM_OUTPUT_LABELREF): Remove special case for
1442         .objc_class_name_*.
1443         * config/darwin-c.c: Include target.h.
1444         (darwin_objc_declare_unresolved_class_reference): New function.
1445         (darwin_objc_declare_class_definition): New function.
1446         (TARGET_OBJC_DECLARE_UNRESOLVED_CLASS_REFERENCE): Define.
1447         (TARGET_OBJC_DECLARE_CLASS_DEFINITION): Define.
1448
1449 2012-06-19  Steven Bosscher  <steven@gcc.gnu.org>
1450
1451         * target.def (output_ident): New hook.
1452         * targhooks.h (default_asm_output_ident_directive): Add prototype.
1453         * varasm.c (assemble_asm): Only prefix a tab if the string does not
1454         already start with one.
1455         (default_asm_output_ident_directive): New function to emit
1456         .ident as a top-level asm node while parsing, or directly to
1457         asm_out_file after parsing.
1458         * toplev.c (compile_file): Print a GCC .ident with
1459         targetm.asm_out.output_ident.
1460         * doc/tm.texi.in (ASM_OUTPUT_IDENT): Remove documentation for macro.
1461         (TARGET_ASM_OUTPUT_IDENT): Add @hook for this.
1462         * doc/tm.texi: Update.
1463
1464         * config/elfos.h (ASM_OUTPUT_IDENT, IDENT_ASM_OP): Remove.
1465         (TARGET_ASM_OUTPUT_IDENT): Define.
1466         * config/i386/djgpp.h (IDENT_ASM_OP): Remove.
1467         * config/i386/gas.h (ASM_OUTPUT_IDENT): Remove.
1468         * config/arm/aout.h (ASM_OUTPUT_IDENT): Remove.
1469         * config/sparc/sparc.h (IDENT_ASM_OP): Remove.
1470         (TARGET_ASM_OUTPUT_IDENT): Define.
1471         * config/picochip/picochip.h (IDENT_ASM_OP): Remove.
1472         (TARGET_ASM_OUTPUT_IDENT): Define.
1473
1474         * config/cris/cris-protos.h (cris_asm_output_ident): Add prototype.
1475         * config/cris/cris.c (cris_asm_output_ident): New function.
1476         * config/cris/cris.h (ASM_OUTPUT_IDENT, IDENT_ASM_OP): Remove.
1477
1478         * config/microblaze/microblaze-protos.h (microblaze_asm_output_ident):
1479         Add prototype.
1480         * config/microblaze/microblaze.c: Include cgraph.h for add_asm_node.
1481         (microblaze_asm_output_ident): Rewrite to work similar to
1482         default_asm_output_ident_directive for front-end .idents.
1483         * config/microblaze/microblaze.h (ASM_OUTPUT_IDENT): Remove.
1484         (TARGET_ASM_OUTPUT_IDENT): Define.
1485
1486         * config/mips/mips.h (ASM_OUTPUT_IDENT): Remove.
1487         * config/mips/sde.h (IDENT_ASM_OP, ASM_OUTPUT_IDENT): Remove.
1488
1489         * config/rx/rx.c: Include cgraph.h for add_asm_node.
1490         (rx_asm_output_ident): New function, similar to
1491         default_asm_output_ident_directive, but handle AS100 syntax also, so
1492         that #ident also works for rx in AS100 syntax.
1493         (TARGET_ASM_OUTPUT_IDENT): Define.
1494         * config/rx/rx.h (IDENT_ASM_OP): Remove.
1495
1496         * Makefile.in: Fix dependencies for c-family/c-lex.o.
1497
1498 2012-06-19  Uros Bizjak  <ubizjak@gmail.com>
1499
1500         * config/i386/i386.md (FIST_ROUNDING): New int iterator.
1501         (rounding): Handle UNSPEC_FIST_{FLOOR,CEIL}.
1502         (ROUNDING): Ditto.
1503         (*fist<mode>2_<rounding>_1): Macroize insn from
1504         *fist<mode>2_{floor,ceil}_1 using FIST_ROUNDING int iterator.
1505         (fistdi2_<rounding>): Macroize insn from
1506         fistdi2_{floor,ceil} using FIST_ROUNDING int iterator.
1507         (fistdi2_<rounding>_with_temp and splitters): Macroize insn and
1508         corresponding splitters from fistdi2_{floor,ceil} and corresponding
1509         splitters using FIST_ROUNDING int iterator.
1510         (fist<mode>2_<rounding>): Macroize insn from
1511         fist<mode>2_{floor,ceil} using FIST_ROUNDING int iterator.
1512         (fist<mode>2_<rounding>_with_temp and splitters): Macroize insn and
1513         corresponding splitters from fist<mode>2_{floor,ceil} and corresponding
1514         splitters using FIST_ROUNDING int iterator.
1515         (l<rounding>xf<mode>2): Macroize expander from l{floor,ceil}xf<mode>2
1516         using FIST_ROUNDING int iterator.
1517
1518 2012-06-19  Richard Henderson  <rth@redhat.com>
1519
1520         * config/i386/i386-protos.h (ix86_expand_sse2_mulv4si3): Declare.
1521         * config/i386/i386.c (ix86_expand_sse2_mulv4si3): New.
1522         * config/i386/predicates.md (nonimmediate_or_const_vector_operand): New.
1523         * config/i386/sse.md (sse2_mulv4si3): Delete.
1524         (mul<VI4_AVX2>3): Use ix86_expand_sse2_mulv4si3 and
1525         nonimmediate_or_const_vector_operand.
1526
1527 2012-06-19  Richard Henderson  <rth@redhat.com>
1528
1529         * expmed.c (struct init_expmed_rtl): Split ...
1530         (init_expmed_one_mode): ... out of ...
1531         (init_expmed): ... here.  Initialize integer vector modes also.
1532         (synth_mult): Handle integer vector modes.
1533         (choose_mult_variant): Likewise.
1534         (expand_mult_const): Likewise.
1535         (expand_mult): Likewise.
1536         * machmode.h (GET_MODE_UNIT_BITSIZE): New.
1537
1538 2012-06-19  Richard Henderson  <rth@redhat.com>
1539
1540         * config/i386/i386.c (ix86_rtx_costs): Handle CONST_VECTOR, and
1541         integral vector modes.
1542
1543 2012-06-19  Uros Bizjak  <ubizjak@gmail.com>
1544
1545         * config/i386/i386.md (FRNDINT_ROUNDING): New int iterator.
1546         (rounding): New int attribute.
1547         (ROUNDING): Ditto.
1548         (frndintxf2_<rounding>): Macroize insn from
1549         frndintxf2_{floor,ceil,trunc} using FRNDINT_ROUNDING int iterator.
1550         (frndintxf2_<rounding>_i387): Macroize insn from
1551         frndintxf2_{floor,ceil,trunc}_i387 using FRNDINT_ROUNDING int iterator.
1552
1553 2012-06-19  Richard Guenther  <rguenther@suse.de>
1554
1555         * tree-vrp.c (union_ranges): New function.
1556         (vrp_meet_1): Use union_ranges.
1557         (vrp_meet): Dump what we union and call vrp_meet_1.
1558
1559 2012-06-19  Richard Earnshaw  <rearnsha@arm.com>
1560
1561         * arm.md (enum unspec): Delete UNSPEC_SIN and UNSPEC_COS.
1562         (attr type): Remove fmul, ffmul, farith, ffarith, float_em
1563         f_fpa_load, f_fpa_store, f_mem_r, r_mem_f.
1564         (attr write_conflict, attr core_cycles): Update.
1565         * arm-generic.md (r_mem_f_wbuf): Delete reservation.
1566
1567 2012-06-19  Richard Guenther  <rguenther@suse.de>
1568
1569         * tree-vrp.c (intersect_ranges): Handle more cases.
1570         (vrp_intersect_ranges): Dump what we intersect and call ...
1571         (vrp_intersect_ranges_1): ... this.
1572
1573 2012-06-19  Richard Guenther  <rguenther@suse.de>
1574
1575         PR tree-optimization/53708
1576         * tree-vect-data-refs.c (vect_can_force_dr_alignment_p): Preserve
1577         user-supplied alignment and alignment of decls with the used
1578         attribute.
1579
1580 2012-06-18  Lawrence Crowl  <crowl@google.com>
1581
1582         * timevar.def (TV_PHASE_GENERATE): Rename to TV_PHASE_LATE_ASM.
1583         (TV_PHASE_CGRAPH): Rename to TV_PHASE_OPT_GEN.
1584         (TV_PHASE_STREAM_IN): New.
1585         (TV_PHASE_STREAM_OUT): New.
1586         * timevar.c (validate_phases): New.
1587         (timevar_print): Call validate_phases.
1588         * c-decl.c (c_write_global_declarations): Rename use of TV_PHASE_CGRAPH
1589         to TV_PHASE_OPT_GEN.
1590         * langhooks.c (write_global_declarations): Rename use of
1591         TV_PHASE_CGRAPH to TV_PHASE_OPT_GEN.  Use TV_PHASE_DBGINFO instead of
1592         TV_PHASE_CHECK_DBGINFO.
1593         * toplev.c (compile_file): Rename use of TV_PHASE_GENERATE to
1594         TV_PHASE_LATE_ASM.  Move start of TV_PHASE_LATE_ASM to after call to
1595         lang_hooks.decls.final_write_globals.
1596
1597 2012-06-18  David Edelshn  <dje.gcc@gmail.com>
1598
1599         * config/rs6000/aix52.h (TARGET_EXTRA_BUILTINS): Define as 0.
1600
1601 2012-06-18  Uros Bizjak  <ubizjak@gmail.com>
1602
1603         PR target/53712
1604         * config/i386/sse.md (*sse4_2_pcmpestr_unaligned): New.
1605         (*sse4_2_pcmpistr_unaligned): New.
1606
1607 2012-06-18  Ian Bolton  <ian.bolton@arm.com>
1608             Sameera Deshpande  <sameera.deshpande@arm.com>
1609             Greta Yorsh  <greta.yorsh@arm.com>
1610
1611         * config/arm/arm-protos.h (arm_output_epilogue): Remove.
1612         * config/arm/arm.c (print_multi_reg): Remove.
1613         (vfp_output_fldmd): Likewise.
1614         (arm_output_epilogue): Likewise.
1615         * config/arm/arm.md (epilogue_insns): Update condition and code.
1616
1617 2012-06-18  Ian Bolton  <ian.bolton@arm.com>
1618             Sameera Deshpande  <sameera.deshpande@arm.com>
1619             Greta Yorsh  <greta.yorsh@arm.com>
1620
1621         * config/arm/arm-protos.h (thumb2_expand_return): New declaration.
1622         * config/arm/arm.c (thumb2_expand_return): New function.
1623         * config/arm/arm.md (return): Update condition and code.
1624
1625 2012-06-18  Ian Bolton  <ian.bolton@arm.com>
1626             Sameera Deshpande  <sameera.deshpande@arm.com>
1627             Greta Yorsh  <greta.yorsh@arm.com>
1628
1629         * config/arm/arm-protos.h (output_return_instruction): New parameter
1630         and int to bool change of parameter types.
1631         * config/arm/arm.c (output_return_instruction): Likewise.
1632         * config/arm/arm.md (arm_simple_return): New pattern.
1633         (arm_return, cond_return, cond_return_inverted): Add new arguments.
1634         * config/arm/thumb2.md (thumb2_return): Update condition and code.
1635
1636 2012-06-18  Ian Bolton  <ian.bolton@arm.com>
1637             Sameera Deshpande  <sameera.deshpande@arm.com>
1638             Greta Yorsh  <greta.yorsh@arm.com>
1639
1640         * config/arm/arm-protos.h (arm_expand_epilogue): New declaration.
1641         * config/arm/arm.c (arm_expand_epilogue): New function.
1642         * config/arm/arm.md (epilogue): Update condition and code.
1643         (sibcall_epilogue): Likewise.
1644
1645 2012-06-18  Ian Bolton  <ian.bolton@arm.com>
1646             Sameera Deshpande  <sameera.deshpande@arm.com>
1647             Greta Yorsh  <greta.yorsh@arm.com>
1648
1649         * config/arm/arm.c (arm_expand_epilogue_apcs_frame): New function.
1650         * config/arm/arm.md (arm_addsi3) Add an alternative.
1651
1652 2012-06-18  Ian Bolton  <ian.bolton@arm.com>
1653             Sameera Deshpande  <sameera.deshpande@arm.com>
1654             Greta Yorsh  <greta.yorsh@arm.com>
1655
1656         * config/arm/arm.md (vfp_pop_multiple_with_writeback) New define_insn.
1657         * config/arm/predicates.md (pop_multiple_fp) New special predicate.
1658         * config/arm/arm.c (arm_emit_vfp_multi_reg_pop): New function.
1659
1660 2012-06-18  Ian Bolton  <ian.bolton@arm.com>
1661             Sameera Deshpande  <sameera.deshpande@arm.com>
1662             Greta Yorsh  <greta.yorsh@arm.com>
1663
1664         * config/arm/arm.md (load_multiple_with_writeback) New define_insn.
1665         (load_multiple, pop_multiple_with_writeback_and_return) Likewise.
1666         (pop_multiple_with_return, ldr_with_return) Likewise.
1667         * config/arm/predicates.md (pop_multiple_return) New special predicate.
1668         * config/arm/arm-protos.h (arm_output_multireg_pop) New declaration.
1669         * config/arm/arm.c (arm_output_multireg_pop) New function.
1670         (arm_emit_multi_reg_pop): New function.
1671
1672 2012-06-18  Greta Yorsh  <Greta.Yorsh@arm.com>
1673
1674         * config/arm/arm.c (ldm_stm_operation_p): Require SP
1675         as base register for loads if SP is in the register list.
1676
1677 2012-06-18  Richard Guenther  <rguenther@suse.de>
1678
1679         PR tree-optimization/53693
1680         * tree-vect-patterns.c (vect_operation_fits_smaller_type):
1681         Reject operands with more than one use.
1682
1683 2012-06-18  Bill Schmidt  <wschmidt@linux.ibm.com>
1684
1685         PR tree-optimization/53703
1686         * tree-ssa-phiopt.c (hoist_adjacent_loads): Skip virtual phis;
1687         correctly set bb_for_def[12].
1688
1689 2012-06-18  Steven Bosscher  <steven@gcc.gnu.org>
1690
1691         * config/vax/vax.h (VMS_TARGET): Remove.
1692
1693 2012-06-18  Richard Guenther  <rguenther@suse.de>
1694
1695         * tree-vrp.c (extract_range_from_assert): Split out range
1696         intersecting code.
1697         (intersect_ranges): New function.
1698         (vrp_intersect_ranges): Likewise.
1699
1700 2012-06-18  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1701
1702         * config/s390/s390.c (s390_gimplify_va_arg): Revert change from
1703         r187965.
1704
1705 2012-06-18  Tejas Belagod  <tejas.belagod@arm.com>
1706
1707         * doc/md.texi: Document int iterators.
1708         * read-rtl.c (ints): New iterator group.
1709         (find_int): Int iterator group callback.
1710         (apply_int_iterator): Likewise.
1711         (apply_iterators): Traverse int iterator table and add all the used
1712         iterators to list.
1713         (initialize_iterators): Initialize data structures and callbacks for
1714         int iterators.
1715         (read_rtx): Parse and read mappings for int iterators.
1716         (read_rtx_code): Record int iterator usage.
1717
1718 2012-06-18  Richard Sandiford  <rdsandiford@googlemail.com>
1719
1720         PR middle-end/53698
1721         * expr.c (expand_expr_addr_expr_1): Convert to tmode before
1722         performing an addition.
1723
1724 2012-06-17  Steven Bosscher  <steven@gcc.gnu.org>
1725
1726         * output.h (split_double): Move prototype to rtl.h.
1727         (constructor_static_from_elts_p): Move prototype to tree.c.
1728         * rtl.h (split_double): Moved here from output.h.
1729         * tree.h (constructor_static_from_elts_p): Moved here from output.h.
1730         * final.c (split_double): Move from here ...
1731         * rtlanal.c (split_double): ... to here.
1732         * expr.c: Do not include output.h.
1733
1734 2012-06-17  Steven Bosscher  <steven@gcc.gnu.org>
1735
1736         * cfglayout.h: Remove.
1737         * cfglayout.c: Remove.
1738         * function.h (struct function): Remove x_last_location field.
1739         * function.c: Do not include cfglayout.h.
1740         (expand_function_start): Do not call no-op force_next_line_note.
1741         (expand_function_end): Likewise.
1742         * cfgrtl.c: Do not include cfglayout.h.  Include gt-cfgrtl.h.
1743         (unlink_insn_chain): Moved here from cfglayout.c.
1744         (skip_insns_after_block, label_for_bb, record_effective_endpoints,
1745         into_cfg_layout_mode, outof_cfg_layout_mode,
1746         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode,
1747         relink_block_chain, fixup_reorder_chain, verify_insn_chain,
1748         fixup_fallthru_exit_predecessor, force_one_exit_fallthru,
1749         cfg_layout_can_duplicate_bb_p, duplicate_insn_chain,
1750         cfg_layout_duplicate_bb, cfg_layout_initialize, break_superblocks,
1751         cfg_layout_finalize): Likewise.
1752         (rtl_can_remove_branch_p): Likewise.
1753         * rtl.h (insn_scope): Move prototype from cfglayout.h here.
1754         (duplicate_insn_chain): Likewise.
1755         (force_next_line_note): Remove prototype.
1756         * emit-rtl.c: Do not include tree-flow.h, egad.  Include vecprim.h.
1757         (last_location): Remove #define to emit.x_last_location.
1758         (force_next_line_note): Remove no-op function.
1759         (init_emit): Don't set x_last_location.
1760         (block_locators_locs, block_locators_blocks, locations_locators_locs,
1761         locations_locators_vals, prologue_locator, epilogue_locator,
1762         curr_location, last_location, curr_block, last_block, curr_rtl_loc):
1763         Move POD to here from cfglayout.c.
1764         (insn_locators_alloc, insn_locators_finalize, insn_locators_free,
1765         set_curr_insn_source_location, get_curr_insn_source_location,
1766         set_curr_insn_block, get_curr_insn_block, curr_insn_locator,
1767         locator_scope, insn_scope, locator_location, locator_line, insn_line,
1768         locator_file, insn_file, locator_eq): Move to here from cfglayout.c.
1769         * cfghooks.h: Remove double-include protection.
1770         (can_copy_bbs_p, copy_bbs): Move prototypes from cfglayout.h to here.
1771         * cfghooks.c (can_copy_bbs_p, copy_bbs): Move to here from cfglayout.c.
1772         * final.c: Do not include cfglayout.h.
1773         (choose_inner_scope, change_scope): Move to here from cfglayout.c.
1774         (reemit_insn_block_notes): Likewise.  Make static.
1775         * tree-flow.h (tree_could_trap_p, operation_could_trap_helper_p,
1776         operation_could_trap_p, tree_could_throw_p): Move from here...
1777         * tree.h: ... to here.
1778         * gengtype.c (open_base_files): Remove cfglayout.h from the list.
1779         * profile.c: Do not include cfghooks.h.
1780         * cfgloopmanip.c: Do not include cfglayout.h and cfghooks.h.
1781         * modulo-sched.c: Likewise.
1782         * loop-unswitch.c: Do not include cfglayout.h.
1783         * sched-ebb.c: Likewise.
1784         * tracer.c: Likewise.
1785         * ddg.c: Likewise.
1786         * tree-vect-loop-manip.c: Likewise.
1787         * loop-init.c: Likewise.
1788         * dwarf2out.c: Likewise.
1789         * hw-doloop.c: Likewise.
1790         * loop-unroll.c: Likewise.
1791         * cfgcleanup.c: Likewise.
1792         * bb-reorder.c: Likewise.
1793         * sched-rgn.c: Likewise.
1794         * tree-cfg.c: Likewise.
1795         * config/alpha/alpha.c: Likewise.
1796         * config/spu/spu.c: Likewise.
1797         * config/sparc/sparc.c: Likewise.
1798         * config/sh/sh.c: Likewise.
1799         * config/c6x/c6x.c: Likewise.
1800         * config/ia64/ia64.c: Likewise.
1801         * config/rs6000/rs6000.c: Likewise.
1802         * config/score/score.c: Likewise.
1803         * config/mips/mips.c: Likewise.
1804         * config/bfin/bfin.c: Likewise.
1805         * Makefile.in (CFGAYOUT_H): Remove, and fixup users.
1806         * config/rs6000/t-rs6000 (rs6000.o): Do not depend on cfglayout.h.
1807         * config/spu/t-spu-elf (spu.o: $): Likewise.
1808         * config/sparc/t-sparc (sparc.o): Do not depend on CFGLAYOUT_H.
1809
1810 2012-06-17  Steven Bosscher  <steven@gcc.gnu.org>
1811
1812         * cfgloop.h: Do not include rtl.h.
1813         (enum iv_extend_code): New.
1814         (struct rtx_iv): Use iv_extend_code instead of rtx_code.
1815         * Makefile.in (CFGLOOP_H): Do not depend on RTL_H.
1816         * loop-iv.c (iv_extend_to_rtx_code): New function to translate
1817         an IV_EXTEND_CODE to an RTX_CODE.
1818         (dump_iv_info): Update for rtx_iv field type change.
1819         (iv_constant): Likewise.
1820         (iv_subreg): Likewise.
1821         (iv_extend): Likewise.
1822         (iv_neg): Likewise.
1823         (iv_add): Likewise.
1824         (iv_mult): Likewise.
1825         (iv_shift): Likewise.
1826         (get_biv_step_1): Likewise.
1827         (get_biv_step): Likewise.
1828         (iv_analyze_biv): Likewise.
1829         (get_iv_value): Likewise.
1830         (shorten_into_mode): Likewise.
1831         (canonicalize_iv_subregs): Likewise.
1832         * sese.c (sese_build_liveouts): Use MAY_HAVE_DEBUG_STMTS instead
1833         of MAY_HAVE_DEBUG_INSNS.
1834         * tree-ssa-loop-ivopts.c: Include recog.h after expr.h.
1835         * tree-ssa-loop-prefetch.c: Likewise.
1836
1837 2012-06-17  Steven Bosscher  <steven@gcc.gnu.org>
1838
1839         * expmed.c (ceil_log2): Move from here...
1840         * hwint.c: ... to here for older GCCs...
1841         * hwint.h: ... and here for newer GCCs.
1842         * rtl.h (ceil_log2): Remove prototype.
1843
1844         * tree-phinodes.c: Do not include rtl.h.
1845         * Makefile.in (tree-phinodes.o): Do not depend on RTL_H.
1846
1847 2012-06-17  Steven Bosscher  <steven@gcc.gnu.org>
1848
1849         * config/cris/cris.h (TARGET_ELF): Remove.
1850         (FORCE_EH_FRAME_INFO_IN_DATA_SECTION): Remove.
1851         (CRIS_ASM_OUTPUT_ALIGNED_DECL_COMMON): Simpify using TARGET_ELF==1.
1852         (LOCAL_LABEL_PREFIX): Likewise.
1853         * config/cris/cris.c (cris_target_asm_named_section): Remove.
1854         (cris_option_override): Simpify using TARGET_ELF==1.
1855         (cris_file_start): Likewise.
1856         * config/cris/cris-protos.h (cris_target_asm_named_section): Remove.
1857
1858 2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
1859
1860         * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
1861
1862 2012-06-16  Eric Botcazou  <ebotcazou@adacore.com>
1863
1864         PR middle-end/53590
1865         * tree-inline.c (initialize_cfun): Copy can_delete_dead_exceptions.
1866
1867 2012-06-15  Easwaran Raman  <eraman@google.com>
1868
1869         * passes.c (init_optimization_passes): Remove pass_call_cdce
1870         from its current position and insert after pass_dce.
1871
1872 2012-06-15  Walter Lee  <walt@tilera.com>
1873
1874         * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
1875
1876 2012-06-15  Richard Earnshaw  <rearnsha@arm.com>
1877
1878         * arm.c (note_invalid_constants): Don't return a result.
1879         (arm_memory_load_p): Delete function.
1880         (arm_const_double_rtx): Delete iterator variable i;
1881         (fp_immediate_constant): Likewise.
1882         (fp_const_from_val): Likewise.
1883
1884         * arm.c (arm_init_iwmmxt_builtins): Delete void_ftype_void.
1885
1886 2012-06-15  Marc Glisse  <marc.glisse@inria.fr>
1887
1888         PR c++/51033
1889         * c-typeck.c (c_build_vec_perm_expr): Move to c-family/c-common.c.
1890         * c-tree.h (c_build_vec_perm_expr): Move to c-family/c-common.h.
1891
1892 2012-06-15  Georg-Johann Lay  <avr@gjlay.de>
1893
1894         * config/avr/avr.c (avr_default_expand_builtin): New function.
1895         (avr_expand_builtin): Use it.
1896         (avr_expand_unop_builtin): Remove.
1897         (avr_expand_binop_builtin): Remove.
1898         (avr_expand_triop_builtin): Remove.
1899
1900 2012-06-15  Michael Matz  <matz@suse.de>
1901
1902         PR middle-end/38474
1903         * cfgexpand.c (add_alias_set_conflicts): Remove.
1904         (expand_used_vars): Don't call it.
1905         (aggregate_contains_union_type): Remove.
1906         * function.c (n_temp_slots_in_use): New static data.
1907         (make_slot_available, assign_stack_temp_for_type): Update it.
1908         (init_temp_slots): Zero it.
1909         (remove_unused_temp_slot_addresses): Use it for quicker removal.
1910         (remove_unused_temp_slot_addresses_1): Use htab_clear_slot.
1911
1912 2012-06-15  Michael Matz  <matz@suse.de>
1913
1914         * gimplify.c (gimplify_compound_literal_expr): Take gimple_test_f
1915         argument, don't emit assign statement if value is directly usable.
1916         (gimplify_expr): Adjust.
1917
1918 2012-06-15  Michael Matz  <matz@suse.de>
1919
1920         * gimplify.c (gimplify_modify_expr): Fold generated statements.
1921         * gimple-fold.c (can_refer_decl_in_current_unit_p): Check flag_ltrans.
1922
1923 2012-06-15  Richard Guenther  <rguenther@suse.de>
1924
1925         * tree-vrp.c (set_and_canonicalize_value_range): Use canonical
1926         predicates to set VR_UNDEFINED and VR_VARYING.  Drop a case
1927         we assert for in set_value_range to VR_VARYING.
1928
1929 2012-06-15  Richard Earnshaw  <rearnsha@arm.com>
1930
1931         * arm.md (addsf3, adddf3): Use s_register_operand.
1932         (subsf3, subdf3): Likewise.
1933         (mulsf3, muldf3): Likewise.
1934         (difsf3, divdf3): Likewise.
1935         (movsfcc, movdfcc): Likewise.
1936         * predicates.md (f_register_operand): Delete.
1937         (arm_float_rhs_operand): Delete.
1938         (arm_float_add_operand): Delete.
1939         (arm_float_compare_operand): Use s_register_operand when
1940         there's no VFP.
1941         (cirrus_register_operand): Delete.
1942         (cirrus_fp_register): Delete.
1943         (cirrus_shift_const): Delete.
1944         (cmpdi_operand): Remove Maverick support.
1945         * constraints.md (f, v, H): Delete constraints.
1946         (G): Update documentation.
1947         * arm.c (fp_consts_inited): Convert to bool.
1948         (strings_fp): Delete.
1949         (values_fp): Delete.
1950         (value_fp0): New variable.
1951         (init_fp_table): Simplify logic.
1952         (arm_const_double_rtx): Likewise.
1953         (fp_immediate_constant): Likewise.
1954         (fp_const_from_val): Likewise.
1955         (neg_const_double_rtx_ok_for_fpa): Delete.
1956         * doc/md.texi (ARM constraints): Update documentation.
1957
1958 2012-06-15  Ulrich Weigand  <ulrich.weigand@linaro.org>
1959
1960         PR tree-optimization/53636
1961         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Verify
1962         stride when doing basic-block vectorization.
1963
1964 2012-06-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1965
1966         * tree-vect-generic.c (lower_vec_perm): Propagate vector constants
1967         into VEC_PERM_EXPR.
1968
1969 2012-06-15  Jakub Jelinek  <jakub@redhat.com>
1970
1971         * tree-vect-patterns.c (vect_pattern_recog): Don't unnecessarily
1972         allocate and free bbs array for the SLP case.
1973
1974         PR tree-optimization/51581
1975         * expr.h (choose_multiplier): New prototype.
1976         * expmed.c (choose_multiplier): No longer static.
1977         Change multiplier_ptr from rtx * to UHWI *.
1978         (expand_divmod): Adjust callers.
1979         * tree-vect-patterns.c (vect_recog_sdivmod_pow2_pattern): Renamed to...
1980         (vect_recog_divmod_pattern): ... this.  Pass bb_vinfo as last
1981         argument to new_stmt_vec_info.  Attempt to optimize also divisions
1982         by non-pow2 constants if integer vector division isn't supported.
1983         * tree-vect-stmts.c (vect_analyze_stmt): If node != NULL,
1984         don't look at pattern stmts and sequences.
1985
1986 2012-06-15  Eric Botcazou  <ebotcazou@adacore.com>
1987
1988         PR middle-end/53590
1989         * common.opt (-fdelete-dead-exceptions): New switch.
1990         * doc/invoke.texi (Code Gen Options): Document it.
1991         * cse.c (count_reg_usage) <CALL_INSN>: Use !insn_nothrow_p in lieu of
1992         insn_could_throw_p predicate.  Do not skip an insn that could throw
1993         if dead exceptions can be deleted.
1994         (insn_live_p): Likewise, do not return true in that case.
1995         * dce.c (can_alter_cfg): New flag.
1996         (deletable_insn_p): Do not return false for an insn that can throw if
1997         the CFG can be altered and dead exceptions can be deleted.
1998         (init_dce): Set can_alter_cfg to false for fast DCE, true otherwise.
1999         * dse.c (scan_insn): Use !insn_nothrow_p in lieu of insn_could_throw_
2000         predicate. Do not preserve an insn that could throw if dead exceptions
2001         can be deleted.
2002         * function.h (struct function): Add can_delete_dead_exceptions flag.
2003         * function.c (allocate_struct_function): Set it.
2004         * lto-streamer-in.c (input_struct_function_base): Stream it.
2005         * lto-streamer-out.c (input_struct_function_base): Likewise.
2006         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Do not mark a
2007         statement that could throw as necessary if dead exceptions can be
2008         deleted.
2009
2010 2012-06-14  Maxim Kuvyrkov  <maxim@codesourcery.com>
2011
2012         * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
2013
2014 2012-06-14  Oleg Endo  <olegendo@gcc.gnu.org>
2015
2016         PR target/53568
2017         * config/sh/sh.md: Add peephole for swapbsi2.
2018         (*swapbisi2_and_shl8, *swapbhisi2): New insns and splits.
2019
2020 2012-06-14  Uros Bizjak  <ubizjak@gmail.com>
2021
2022         * config/i386/i386.md (*zero_extendsidi2): Remove x,x alternative.
2023         (*zero_extendsidi2_rex64): Ditto.  Remove isa attribute.
2024
2025 2012-06-14  Jakub Jelinek  <jakub@redhat.com>
2026
2027         PR target/53639
2028         * config/i386/i386.md (*anddi_1 into *andsi_1_zext splitter): New.
2029
2030 2012-06-14  Richard Earnshaw  <rearnsha@arm.com>
2031
2032         * arm.c (arm_cirrus_insn_p): Delete.
2033         (cirrus_reorg): Delete.
2034         (arm_reorg): Don't call cirrus_reorg.
2035         (arm_final_prescan_insn_p): Don't check for cirrus insns.
2036         * arm.md (define_attr "type"): Remove mav_farith and mav_dmult.
2037         (adddi3, subdi3): Remove Maverick support.
2038         (arm_adddi3): Likewise.
2039         (adddi_sesidi_di, adddi_zesidi_di): Likewise.
2040         (addsf3, adddf3): Likewise.
2041         (subsf3, subdf3): Likewise.
2042         (mulsf3, muldf3): Likewise.
2043         (ashldi3, ashrdi3, lshrdi3): Likewise.
2044         (floatsisf2, floatsidf2): Likewise.
2045         (fix_truncsfsi2, fix_truncdfsi2): Likewise.
2046         (arm_movdi, thumb1_movdi_insn): Likewise.
2047         (arm_cmpdi_insn): Likewise.
2048         (cirrus_cmpsf, cirrus_cmpdf, cirrus_cmpdi): Likewise.
2049         (cirrus.md): Don't include.
2050         * cirrus.md: Delete file.
2051         * t-arm (MD_INCLUDES): Remove cirrus.md.
2052
2053 2012-06-14  Eric Botcazou  <ebotcazou@adacore.com>
2054
2055         * dwarf2out.c (function_possibly_abstracted_p): New static function.
2056         (gen_subprogram_die): Use it function_possibly_abstracted_p in lieu of
2057         cgraph_function_possibly_inlined_p.
2058         (gen_inlined_subroutine_die): Return if the origin is to be ignored.
2059         (process_scope_var): Do not emit concrete instances of abstracted
2060         nested functions from here.
2061         (gen_decl_die): Emit the abstract instance if the function is possibly
2062         abstracted and not only possibly inlined.
2063         (dwarf2out_finish): Find the first non-abstract parent instance and
2064         attach concrete instances on the limbo list to it.
2065
2066 2012-06-14  Richard Earnshaw  <rearnsha@arm.com>
2067
2068         * arm.md (divsf3, divdf3): Remove FPA support.
2069         (negsf2, negdf2): Likewise.
2070         (sqrtsf2, sqrtdf2): Likewise.
2071         (movdfcc): Likewise.
2072         (modsf3, moddf3, movxf): Delete.
2073         (push_fp_multi): Delete.
2074         (fpa.md): Don't include it.
2075         * fpa.md: Delete file.
2076         * t-arm (MD_INCLUDES): Remove fpa.md.
2077
2078 2012-06-14  Bill Schmidt  <wschmidt@linux.ibm.com>
2079
2080         * tree-vectorizer.h (vect_get_stmt_cost): Move from tree-vect-stmts.c.
2081         (cost_for_stmt): Remove decl.
2082         (vect_get_single_scalar_iteration_cost): Correct typo in name.
2083         * tree-vect-loop.c (vect_get_cost): Remove.
2084         (vect_get_single_scalar_iteration_cost): Correct typo in name; use
2085         vect_get_stmt_cost rather than vect_get_cost.
2086         (vect_get_known_peeling_cost): Use vect_get_stmt_cost rather than
2087         vect_get_cost.
2088         (vect_estimate_min_profitable_iters): Correct typo in call to
2089         vect_get_single_scalar_iteration_cost; use vect_get_stmt_cost rather
2090         than vect_get_cost.
2091         (vect_model_reduction_cost): Use vect_get_stmt_cost rather than
2092         vect_get_cost.
2093         (vect_model_induction_cost): Likewise.
2094         * tree-vect-data-refs.c (vect_peeling_hash_get_lowest_cost): Correct
2095         typo in call to vect_get_single_scalar_iteration_cost.
2096         * tree-vect-stmts.c (vect_get_stmt_cost): Move to tree-vectorizer.h.
2097         (cost_for_stmt): Remove unnecessary function.
2098         * Makefile.in (TREE_VECTORIZER_H): Update dependencies.
2099
2100 2012-06-14  Richard Earnshaw  <rearnsha@arm.com>
2101
2102         * arm.opt (mfp=2, mfp=3, mfpe, mfpe=2, mfpe=3): Delete options.
2103         * arm-fpus.def (fpa, fpe2, fpe3, maverick): Delete FPU types.
2104         * arm-tables.opt: Regenerated.
2105         * doc/invoke.texi: Remove references to deleted options.
2106
2107 2012-06-14  Sandeep Kumar Singh  <Sandeep.Singh2@kpitcummins.com>
2108
2109         * config/h8300/genmova.sh: Modified to add offset bits of
2110         mova/Sz assembly instruction for memory access.
2111         * config/h8300/h8300.c: Likewise.
2112         * config/h8300/mova.md: Likewise.
2113
2114 2012-06-12  Christian Bruel  <christian.bruel@st.com>
2115
2116         PR target/53621
2117         * config/sh/sh.c (sh_option_override): Don't force
2118          flag_omit_frame_pointer and maccumulate_outgoing_args.
2119         * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
2120
2121 2012-06-14  Richard Guenther  <rguenther@suse.de>
2122
2123         * tree-vrp.c (VR_INITIALIZER): New define.
2124         (ranges_from_anti_range): New function.
2125         (extract_range_from_binary_expr_1): Decompose operations on
2126         VR_ANTI_RANGEs to operations on VR_RANGE.
2127         (extract_range_from_unary_expr_1): Likewise.
2128         (extract_range_from_binary_expr_1, extract_range_from_binary_expr,
2129         extract_range_from_unary_expr_1, extract_range_from_unary_expr,
2130         extract_range_from_cond_expr, adjust_range_with_scev,
2131         vrp_visit_assignment_or_call, vrp_visit_phi_node,
2132         simplify_bit_ops_using_ranges): Use VR_INITIALIZER.
2133
2134 2012-06-13  Richard Henderson  <rth@redhat.com>
2135
2136         * hwint.h (HOST_WIDEST_INT_C): New.
2137         (HOST_WIDE_INT_C): New.
2138         (HOST_WIDE_INT_1): Use it.
2139         * config/alpha/alpha.c (alpha_trampoline_init): Use it.
2140
2141 2012-06-13  Alexandre Oliva  <aoliva@redhat.com>
2142
2143         PR debug/49888
2144         * var-tracking.c: Include alias.h.
2145         (overlapping_mems): New struct.
2146         (drop_overlapping_mem_locs): New.
2147         (clobber_overlapping_mems): New.
2148         (var_mem_delete_and_set, var_mem_delete): Call it.
2149         (val_bind): Likewise, but only if modified.
2150         (compute_bb_dataflow, emit_notes_in_bb): Call it on MEMs.
2151         * Makefile.in (var-tracking.o): Depend in $(ALIAS_H).
2152
2153 2012-06-13  Alexandre Oliva  <aoliva@redhat.com>
2154
2155         PR debug/47624
2156         * var-tracking.c (loc_exp_dep_pool): New.
2157         (vt_emit_notes): Create and release the pool.
2158         (compute_bb_dataflow): Use value-based locations in MO_VAL_SET.
2159         (emit_notes_in_bb): Likewise.
2160         (loc_exp_dep_insert): Deal with NOT_ONEPART vars.
2161         (notify_dependents_of_changed_value): Likewise.
2162         (notify_dependents_of_resolved_value): Check that NOT_ONEPART
2163         variables don't have a VAR_LOC_DEP_LST.
2164         (emit_note_insn_var_location): Expand NOT_ONEPART locs that are
2165         VALUEs or MEMs of VALUEs.
2166
2167 2012-06-13  Alexandre Oliva  <aoliva@redhat.com>
2168
2169         PR debug/52983
2170         PR debug/48866
2171         * dce.c (word_dce_process_block): Insert debug temps only if the
2172         insn is not marked.
2173         (dce_process_block): Likewise, and if debug.used is not empty,
2174         and only after iterating over all DEFs that might mark the insn.
2175
2176 2012-06-13  Alexandre Oliva  <aoliva@redhat.com>
2177
2178         * common.opt (ftree-coalesce-inlined-vars): New.
2179         (ftree-coalesce-vars): New.
2180         * doc/invoke.texi: Document them.
2181         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
2182         Implement them.
2183
2184 2012-06-13  Richard Sandiford  <rdsandiford@googlemail.com>
2185
2186         * read-rtl.c (mapping): Remove index field.  Add current_value field.
2187         Define heap vectors.
2188         (iterator_group): Fix long line.  Remove num_builtins field and
2189         uses_iterator fields.  Make apply_iterator take a void * parameter.
2190         (iterator_use, atttribute_use): New structures.
2191         (iterator_traverse_data, BELLWETHER_CODE, bellwether_codes): Delete.
2192         (current_iterators, iterator_uses, attribute_uses): New variables.
2193         (uses_mode_iterator_p, uses_code_iterator_p): Delete.
2194         (apply_mode_iterator, apply_code_iterator): Take a void * parameter.
2195         (map_attr_string, apply_iterator_to_string): Remove iterator
2196         and value parameters.  Look through all current iterator values
2197         for a matching attribute.
2198         (mode_attr_index, apply_mode_maps): Delete.
2199         (apply_iterator_to_rtx): Replace with...
2200         (copy_rtx_for_iterators): ...this new function.
2201         (uses_iterator_p, apply_iterator_traverse): Delete.
2202         (apply_attribute_uses, add_current_iterators, apply_iterators): New
2203         functions.
2204         (add_mapping): Remove index field.  Set current_value field.
2205         (initialize_iterators): Don't set num_builtins and uses_iterator_p
2206         fields.
2207         (find_iterator): Delete.
2208         (record_iterator_use, record_attribute_use): New functions.
2209         (record_potential_iterator_use): New function.
2210         (check_code_iterator): Remove handling of bellwether codes.
2211         (read_rtx): Remove mode maps.  Truncate iterator and attribute uses.
2212         (read_rtx_code, read_nested_rtx, read_rtx_variadic): Remove mode_maps
2213         parameter.  Use the first code iterator value instead of the
2214         bellwether_codes array.  Use record_potential_iterator_use for modes.
2215
2216 2012-06-13  Oleg Endo  <olegendo@gcc.gnu.org>
2217
2218         PR target/53568
2219         * config/sh/sh.md (bswapsi2): New expander.
2220         (swapbsi2): New insn.
2221
2222 2012-06-13  H.J. Lu  <hongjiu.lu@intel.com>
2223
2224         PR target/53647
2225         * config/i386/i386.c (ix86_tune_cost): New variable.
2226         (ix86_option_override_internal): Set ix86_tune_cost.  Use
2227         ix86_tune_cost for simultaneous_prefetches, prefetch_block,
2228         l1_cache_size and l2_cache_size.
2229
2230 2012-06-13  Richard Guenther  <rguenther@suse.de>
2231
2232         * tree-vrp.c (vrp_meet): Properly meet equivalent ranges.
2233         Handle meeting two VR_RANGE to an VR_ANTI_RANGE.  Implement
2234         all possible meetings of VR_RANGE with VR_ANTI_RANGE and
2235         VR_ANTI_RANGE with VR_ANTI_RANGE.
2236
2237 2012-06-13  Richard Earnshaw  <rearnsha@arm.com>
2238
2239         * config.gcc (unsupported): Move obsoleted FPA-based configurations
2240         here from ...
2241         (obsolete): ... here.
2242         (arm*-*-freebsd*): Remove.
2243         (arm*-*-linux*): Only accept EABI variants.  Simplify logic.
2244         (arm*-*-uclinux*): Likewise.
2245         (arm*-*-ecos-elf): Remove.
2246         (arm*-*-rtems*): Remove.
2247         (arm*-*-elf): Remove.
2248         (arm*-wince-pe*): Remove.
2249         (arm, --with-fpu): Remove support for fpa and Maverick variants.
2250         * arm/ecos-elf.h: Delete.
2251         * arm/t-strongarm-elf: Delete.
2252         * arm/rtems-elf.h: Delete.
2253         * arm/wince-pe.h: Delete.
2254         * arm/pe.c: Delete.
2255         * arm/pe.h: Delete.
2256         * arm/t-wince-pe: Delete.
2257
2258 2012-06-13  Bill Schmidt  <wschmidt@linux.ibm.com>
2259
2260         PR tree-optimization/53647
2261         * tree-ssa-phiopt.c (gate_hoist_loads): Skip transformation for
2262         targets with no defined cache line size.
2263
2264 2012-06-13  Bill Schmidt  <wschmidt@linux.ibm.com>
2265
2266         * targhooks.c (default_builtin_vectorized_conversion): Handle
2267         vec_construct, using vectype to base cost on subparts.
2268         * target.h (enum vect_cost_for_stmt): Add vec_construct.
2269         * tree-vect-stmts.c (vect_model_load_cost): Use vec_construct
2270         instead of scalar_to-vec.
2271         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
2272         vec_construct in same way as default for now.
2273         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
2274         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost):
2275         Handle vec_construct, including special case for 32-bit loads.
2276
2277 2012-06-13  Xinyu Qi <xyqi@marvell.com>
2278
2279         * config/arm/arm.c (FL_IWMMXT2): New define.
2280         (arm_arch_iwmmxt2): New variable.
2281         (arm_option_override): Enable use of iWMMXt with VFP.
2282         Disable use of iWMMXt with NEON. Disable use of iWMMXt under
2283         Thumb mode. Set arm_arch_iwmmxt2.
2284         (arm_expand_binop_builtin): Accept VOIDmode op.
2285         (enum arm_builtins): Revise built-in fcode.
2286         (IWMMXT2_BUILTIN): New define.
2287         (IWMMXT2_BUILTIN2): Likewise.
2288         (iwmmx2_mbuiltin): Likewise.
2289         (builtin_description bdesc_2arg): Revise built in declaration.
2290         (builtin_description bdesc_1arg): Likewise.
2291         (arm_init_iwmmxt_builtins): Revise built in initialization.
2292         (arm_expand_builtin): Revise built in expansion.
2293         (arm_output_iwmmxt_shift_immediate): New function.
2294         (arm_output_iwmmxt_tinsr): Likewise.
2295         * config/arm/arm-protos.h (arm_output_iwmmxt_shift_immediate): Declare.
2296         (arm_output_iwmmxt_tinsr): Likewise.
2297         * config/arm/iwmmxt.md (WCGR0, WCGR1, WCGR2, WCGR3): New constant.
2298         (iwmmxt_psadbw, iwmmxt_walign, iwmmxt_tmrc, iwmmxt_tmcr): Delete.
2299         (rorv4hi3, rorv2si3, rordi3): Likewise.
2300         (rorv4hi3_di, rorv2si3_di, rordi3_di): Likewise.
2301         (ashrv4hi3_di, ashrv2si3_di, ashrdi3_di): Likewise.
2302         (lshrv4hi3_di, lshrv2si3_di, lshrdi3_di): Likewise.
2303         (ashlv4hi3_di, ashlv2si3_di, ashldi3_di): Likewise.
2304         (iwmmxt_tbcstqi, iwmmxt_tbcsthi, iwmmxt_tbcstsi): Likewise
2305         (*iwmmxt_clrv8qi, *iwmmxt_clrv4hi, *iwmmxt_clrv2si): Likewise.
2306         (tbcstv8qi, tbcstv4hi, tbsctv2si): New pattern.
2307         (iwmmxt_clrv8qi, iwmmxt_clrv4hi, iwmmxt_clrv2si): Likewise.
2308         (*and<mode>3_iwmmxt, *ior<mode>3_iwmmxt, *xor<mode>3_iwmmxt): Likewise.
2309         (ror<mode>3, ror<mode>3_di): Likewise.
2310         (ashr<mode>3_di, lshr<mode>3_di, ashl<mode>3_di): Likewise.
2311         (ashli<mode>3_iwmmxt, iwmmxt_waligni, iwmmxt_walignr): Likewise.
2312         (iwmmxt_walignr0, iwmmxt_walignr1): Likewise.
2313         (iwmmxt_walignr2, iwmmxt_walignr3): Likewise.
2314         (iwmmxt_setwcgr0, iwmmxt_setwcgr1): Likewise.
2315         (iwmmxt_setwcgr2, iwmmxt_setwcgr3): Likewise.
2316         (iwmmxt_getwcgr0, iwmmxt_getwcgr1): Likewise.
2317         (iwmmxt_getwcgr2, iwmmxt_getwcgr3): Likewise.
2318         (All instruction patterns): Add wtype attribute.
2319         (*iwmmxt_arm_movdi, *iwmmxt_movsi_insn): iWMMXt coexist with vfp.
2320         (iwmmxt_uavgrndv8qi3, iwmmxt_uavgrndv4hi3): Revise the pattern.
2321         (iwmmxt_uavgv8qi3, iwmmxt_uavgv4hi3): Likewise.
2322         (ashr<mode>3_iwmmxt, ashl<mode>3_iwmmxt, lshr<mode>3_iwmmxt): Likewise.
2323         (iwmmxt_tinsrb, iwmmxt_tinsrh, iwmmxt_tinsrw):Likewise.
2324         (eqv8qi3, eqv4hi3, eqv2si3, gtuv8qi3): Likewise.
2325         (gtuv4hi3, gtuv2si3, gtv8qi3, gtv4hi3, gtv2si3): Likewise.
2326         (iwmmxt_wunpckihh, iwmmxt_wunpckihw, iwmmxt_wunpckilh): Likewise.
2327         (iwmmxt_wunpckilw, iwmmxt_wunpckehub, iwmmxt_wunpckehuh): Likewise.
2328         (iwmmxt_wunpckehuw, iwmmxt_wunpckehsb, iwmmxt_wunpckehsh): Likewise.
2329         (iwmmxt_wunpckehsw, iwmmxt_wunpckelub, iwmmxt_wunpckeluh): Likewise.
2330         (iwmmxt_wunpckeluw, iwmmxt_wunpckelsb, iwmmxt_wunpckelsh): Likewise.
2331         (iwmmxt_wunpckelsw, iwmmxt_wmadds, iwmmxt_wmaddu): Likewise.
2332         (iwmmxt_wsadb, iwmmxt_wsadh, iwmmxt_wsadbz, iwmmxt_wsadhz): Likewise.
2333         (iwmmxt2.md): Include.
2334         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __IWMMXT2__.
2335         (TARGET_IWMMXT2): New define.
2336         (TARGET_REALLY_IWMMXT2): Likewise.
2337         (arm_arch_iwmmxt2): Declare.
2338         * config/arm/mmintrin.h: Use __IWMMXT__ to enable iWMMXt intrinsics.
2339         Use __IWMMXT2__ to enable iWMMXt2 intrinsics.
2340         Use C name-mangling for intrinsics.
2341         (__v8qi): Redefine.
2342         (_mm_cvtsi32_si64, _mm_andnot_si64, _mm_sad_pu8): Revise.
2343         (_mm_sad_pu16, _mm_align_si64, _mm_setwcx, _mm_getwcx): Likewise.
2344         (_m_from_int): Likewise.
2345         (_mm_sada_pu8, _mm_sada_pu16): New intrinsic.
2346         (_mm_alignr0_si64, _mm_alignr1_si64, _mm_alignr2_si64): Likewise.
2347         (_mm_alignr3_si64, _mm_tandcb, _mm_tandch, _mm_tandcw): Likewise.
2348         (_mm_textrcb, _mm_textrch, _mm_textrcw, _mm_torcb): Likewise.
2349         (_mm_torch, _mm_torcw, _mm_tbcst_pi8, _mm_tbcst_pi16): Likewise.
2350         (_mm_tbcst_pi32): Likewise.
2351         (_mm_abs_pi8, _mm_abs_pi16, _mm_abs_pi32): New iWMMXt2 intrinsic.
2352         (_mm_addsubhx_pi16, _mm_absdiff_pu8, _mm_absdiff_pu16): Likewise.
2353         (_mm_absdiff_pu32, _mm_addc_pu16, _mm_addc_pu32): Likewise.
2354         (_mm_avg4_pu8, _mm_avg4r_pu8, _mm_maddx_pi16, _mm_maddx_pu16): Likewise.
2355         (_mm_msub_pi16, _mm_msub_pu16, _mm_mulhi_pi32): Likewise.
2356         (_mm_mulhi_pu32, _mm_mulhir_pi16, _mm_mulhir_pi32): Likewise.
2357         (_mm_mulhir_pu16, _mm_mulhir_pu32, _mm_mullo_pi32): Likewise.
2358         (_mm_qmulm_pi16, _mm_qmulm_pi32, _mm_qmulmr_pi16): Likewise.
2359         (_mm_qmulmr_pi32, _mm_subaddhx_pi16, _mm_addbhusl_pu8): Likewise.
2360         (_mm_addbhusm_pu8, _mm_qmiabb_pi32, _mm_qmiabbn_pi32): Likewise.
2361         (_mm_qmiabt_pi32, _mm_qmiabtn_pi32, _mm_qmiatb_pi32): Likewise.
2362         (_mm_qmiatbn_pi32, _mm_qmiatt_pi32, _mm_qmiattn_pi32): Likewise.
2363         (_mm_wmiabb_si64, _mm_wmiabbn_si64, _mm_wmiabt_si64): Likewise.
2364         (_mm_wmiabtn_si64, _mm_wmiatb_si64, _mm_wmiatbn_si64): Likewise.
2365         (_mm_wmiatt_si64, _mm_wmiattn_si64, _mm_wmiawbb_si64): Likewise.
2366         (_mm_wmiawbbn_si64, _mm_wmiawbt_si64, _mm_wmiawbtn_si64): Likewise.
2367         (_mm_wmiawtb_si64, _mm_wmiawtbn_si64, _mm_wmiawtt_si64): Likewise.
2368         (_mm_wmiawttn_si64, _mm_merge_si64): Likewise.
2369         (_mm_torvscb, _mm_torvsch, _mm_torvscw): Likewise.
2370         (_m_to_int): New define.
2371         * config/arm/arm-cores.def (iwmmxt2): Add FL_IWMMXT2.
2372         * config/arm/arm-arches.def (iwmmxt2): Likewise.
2373         * config/arm/t-arm (MD_INCLUDES): Add marvell-f-iwmmxt.md and
2374         iwmmxt2.md.
2375         * config/arm/arm.md (marvell-f-iwmmxt.md): Include.
2376         (arch): Add "iwmmxt2".
2377         (arch_enabled): Handle "iwmmxt2".
2378         (wtype): New attribute.
2379         (UNSPEC_WMADDS, UNSPEC_WMADDU): Delete.
2380         (UNSPEC_WALIGNI): New unspec.
2381         * config/arm/predicates.md (imm_or_reg_operand): New predicate.
2382         * config/arm/iterators.md (VMMX2): New mode_iterator.
2383         * config/arm/marvell-f-iwmmxt.md: New file.
2384         * config/arm/iwmmxt2.md: New file.
2385
2386 2012-06-12  Jakub Jelinek  <jakub@redhat.com>
2387
2388         PR c/53532
2389         PR c/51034
2390         PR c/53196
2391         * c-decl.c (build_compound_literal): Call c_incomplete_type_error
2392         if type isn't complete.
2393
2394 2012-06-12  Uros Bizjak  <ubizjak@gmail.com>
2395
2396         * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
2397
2398 2012-06-12  Richard Henderson  <rth@redhat.com>
2399
2400         * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
2401         iterator instead of INT.
2402
2403 2012-06-12  Bill Schmidt  <wschmidt@linux.ibm.com>
2404
2405         * opts.c: Add -fhoist-adjacent-loads to -O2 and above.
2406         * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Add argument to forward
2407         declaration.
2408         (hoist_adjacent_loads, gate_hoist_loads): New forward declarations.
2409         (tree_ssa_phiopt): Call gate_hoist_loads.
2410         (tree_ssa_cs_elim): Add parm to tree_ssa_phiopt_worker call.
2411         (tree_ssa_phiopt_worker): Add do_hoist_loads to formal arg list; call
2412         hoist_adjacent_loads.
2413         (local_mem_dependence): New function.
2414         (hoist_adjacent_loads): Likewise.
2415         (gate_hoist_loads): Likewise.
2416         * common.opt (fhoist-adjacent-loads): New switch.
2417         * Makefile.in (tree-ssa-phiopt.o): Added dependencies.
2418
2419 2012-06-12  Michael Matz  <matz@suse.de>
2420
2421         * alias.c (nonoverlapping_component_refs_p): Take two rtx arguments.
2422         (nonoverlapping_memrefs_p): Don't call it here ...
2423         (true_dependence_1): ... but here.
2424
2425 2012-06-12  Richard Guenther  <rguenther@suse.de>
2426
2427         * emit-rtl.c (set_mem_attributes_minus_bitpos): Remove dead code.
2428         * alias.c (ao_ref_from_mem): MEM_EXPR is conservative, MEM_OFFSET
2429         and MEM_SIZE only refines it.  Reflect that and be less conservative
2430         if either of the latter is not known.
2431
2432 2012-06-12  Jakub Jelinek  <jakub@redhat.com>
2433
2434         PR rtl-optimization/53589
2435         * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
2436         discovery even when e->dest != target.  If any LABEL_REF points
2437         to e->dest label, redirect it to target's label.
2438
2439 2012-06-12  Chung-Lin Tang  <cltang@codesourcery.com>
2440
2441         * config/sh/sh.c (output_stack_adjust): Remove !epilogue_p
2442         condition for generating REG_FRAME_RELATED_EXPR note.
2443         (pop): Add code for generating REG_CFA_RESTORE,
2444         REG_CFA_ADJUST_CFA notes. Set RTX_FRAME_RELATED_P to 1.
2445         (sh_expand_epilogue): Use frame_insn() for FP to SP move.
2446         Set 'frame_p' of calls to output_stack_adjust() to 'true'.
2447
2448 2012-06-11  Richard Henderson  <rth@redhat.com>
2449
2450         * config/alpha/alpha.c (HWI_HEX2): Add missing shift.
2451         * vmsdbgout.c (VMS_EPOCH_OFFSET): Add LL suffix.
2452
2453         * config/alpha/alpha.c (alpha_trampoline_init): Split large constants.
2454
2455 2012-06-12  Hans-Peter Nilsson  <hp@axis.com>
2456
2457         * doc/tm.texi.in (Addressing Modes) <TARGET_LEGITIMIZE_ADDRESS>:
2458         Mention that this hook needs to be defined for native TLS.
2459         * doc/tm.texi: Regenerate.
2460
2461 2012-06-11  Mike Stump  <mikestump@comcast.net>
2462
2463         * emit-rtl.c (init_emit_once): Iterate through the
2464         MODE_PARTIAL_INT modes with MIN_MODE_PARTIAL_INT and
2465         MAX_MODE_PARTIAL_INT, as GET_MODE_WIDER_MODE doesn't step through
2466         all the MIN_MODE_PARTIAL_INT modes anymore.
2467
2468 2012-06-12  Maxim Kuvyrkov  <maxim@codesourcery.com>
2469
2470         * gcc/config/mips/mips-tables.opt (xlp): Fix merge typo.
2471
2472 2012-06-11  Roland McGrath  <mcgrathr@google.com>
2473
2474         * dwarf2out.c (const_ok_for_output_1): Detect a TLS UNSPEC using
2475         SYMBOL_REF_TLS_MODEL rather than DECL_THREAD_LOCAL_P, in case it's
2476         not a VAR_DECL.  Also don't limit it to UNSPECs with exactly one
2477         operand.
2478
2479 2012-06-11  Oleg Endo  <olegendo@gcc.gnu.org>
2480
2481         PR target/53511
2482         * config/sh/sh.md (fmasf4): New expander.
2483         (*macsf3): Rename to fmasf4_i.  Adapt to fma pattern.
2484         (mac_media): Rename to fmasf4_media.  Adapt to fma pattern.
2485         * config/sh/sh.opt (mfused-madd): Remove.
2486         * config/sh/sh.c (sh_option_override): Remove mfused-madd handling.
2487         (builtin_description bdesc): Remove __builtin_sh_media_FMAC_S.
2488         * config.gcc (sh[123456789lbe]*-*-* | sh-*-*): Add fused-madd.opt
2489         as extra options.
2490         * doc/invoke.texi (SH Options): Update mfused-madd and mno-fused-madd
2491         descriptions.
2492
2493 2012-06-11  Richard Henderson  <rth@redhat.com>
2494
2495         * dwarf2cfi.c (scan_trace): Handle annulled branch-taken delay slots.
2496
2497 2012-06-11  Richard Guenther  <rguenther@suse.de>
2498
2499         PR middle-end/53470
2500         * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
2501         replace it with the first non-BLOCK context.
2502
2503 2012-06-11  Richard Guenther  <rguenther@suse.de>
2504
2505         * alias.c (aliases_everything_p): Remove.
2506         (DIFFERENT_ALIAS_SETS_P): Likewise.
2507         (true_dependence_1): Use mems_in_disjoint_alias_sets_p directly.
2508         Do not use aliases_everything_p or special-case ANDs.  Do not
2509         special-case BLKmode moves.
2510         (may_alias_p): Likewise.  Handle BLKmode similar like everywhere
2511         - for SCATCH only.
2512
2513 2012-06-09  Hans-Peter Nilsson  <hp@axis.com>
2514
2515         Fix CRIS build errors with --enable-build-with-cxx.
2516         * config/cris/cris.c (cris_emit_trap_for_misalignment): Rename
2517         variable "and" to "andop".
2518         * config/cris/sync.md ("atomic_fetch_<atomic_op_name><mode>"): Use
2519         temporary variable for memory model, passing C++-type-correct
2520         parameter type to expand_mem_thread_fence.
2521         ("atomic_compare_and_swap<mode>"): Ditto.
2522
2523 2012-06-09  Richard Henderson  <rth@redhat.com>
2524
2525         PR c++/53602
2526         * cfgcleanup.c (execute_jump): Rename from rest_of_handle_jump2.
2527         (pass_jump): Rename from pass_jump2.
2528         (execute_jump2, pass_jump2): New.
2529         * combine-stack-adj.c (rest_of_handle_stack_adjustments): Don't
2530         perform cfg cleanup here.  Move the test of PUSH_ROUNDING
2531         and ACCUMULATE_OUTGOING_ARGS test...
2532         (gate_handle_stack_adjustments): ... here.
2533         * passes.c (init_optimization_passes): Update for pass_jump2 rename.
2534         Place new pass_jump2 after pass_stack_adjustments.
2535         * tree-pass.h (pass_jump): Declare.
2536
2537 2012-06-09  Kenneth Zadeck <zadeck@naturalbridge.com>
2538
2539         * simplify-rtx.c (simplify_const_binary_operation): Fixed shift
2540         count trucation.
2541
2542 2012-06-08  Richard Henderson  <rth@redhat.com>
2543
2544         PR c++/53602
2545         * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
2546         note to a clobber insn when no other insn is available.
2547
2548 2012-06-08  Georg-Johann Lay  <avr@gjlay.de>
2549
2550         * config/avr/avr.c (avr_case_values_threshold): Return 7.
2551
2552 2012-06-07  Andreas Schwab  <schwab@linux-m68k.org>
2553
2554         * genhooks.c (main): Set progname.
2555         (emit_documentation): Remove variable found_start, always bail out
2556         when a place is missing.
2557         * doc/tm.texi.in (C++ ABI): Add @hook TARGET_CXX_DECL_MANGLING_CONTEXT.
2558
2559 2012-06-07  Jakub Jelinek  <jakub@redhat.com>
2560
2561         PR middle-end/53580
2562         * omp-low.c (scan_omp): Change first argument to gimple_seq *,
2563         call walk_gimple_seq_mod instead of walk_gimple_seq.
2564         (scan_sharing_clauses, scan_omp_parallel, scan_omp_task,
2565         scan_omp_for, scan_omp_sections, scan_omp_single,
2566         execute_lower_omp): Adjust callers.
2567         (scan_omp_1_stmt): Likewise.  If check_omp_nesting_restrictions
2568         returns false, replace stmt with GIMPLE_NOP.
2569         (check_omp_nesting_restrictions): Instead of issuing warnings,
2570         issue errors and return false if any errors were reported.
2571
2572 2012-06-06  Steven Bosscher  <steven@gcc.gnu.org>
2573
2574         * doc/invoke.texi (fconserve-space): Remove documentation.
2575
2576 2012-06-06  Edmar Wienskoski  <edmar@freescale.com>
2577
2578         * config/rs6000/rs6000-tables.opt: Regenerated.
2579
2580 2012-06-06  Richard Guenther  <rguenther@suse.de>
2581
2582         PR tree-optimization/53081
2583         * tree-data-ref.h (adjacent_store_dr_p): Rename to ...
2584         (adjacent_dr_p): ... this and make it work for reads, too.
2585         * tree-loop-distribution.c (enum partition_kind): Add PKIND_MEMCPY.
2586         (struct partition_s): Change main_stmt to main_dr, add
2587         secondary_dr member.
2588         (build_size_arg_loc): Change to date data-reference and not
2589         gimplify here.
2590         (build_addr_arg_loc): New function split out from ...
2591         (generate_memset_builtin): ... here.  Use it and simplify.
2592         (generate_memcpy_builtin): New function.
2593         (generate_code_for_partition): Adjust.
2594         (classify_partition): Streamline pattern detection.  Detect memcpy.
2595         (ldist_gen): Adjust.
2596         (tree_loop_distribution): Adjust seed statements for memcpy
2597         recognition.
2598
2599 2012-06-06  Matt Turner  <mattst88@gmail.com>
2600
2601         * config/arm/mmintrin.h (_mm_empty): New.
2602         (_m_empty): New.
2603
2604 2012-06-06  Richard Sandiford  <r.sandiford@uk.ibm.com>
2605
2606         * doc/invoke.texi (sched-pressure-algorithm): Document new --param.
2607         * common.opt (fsched-pressure-algorithm=): Remove.
2608         * flag-types.h (sched_pressure_algorithm): Move to...
2609         * sched-int.h (sched_pressure_algorithm): ...here.
2610         * params.def (sched-pressure-algorithm): New param.
2611         * haifa-sched.c (sched_init): Use it to initialize sched_pressure.
2612         * common/config/s390/s390-common.c (s390_option_optimization_table):
2613         Remove OPT_fsched_pressure_algorithm_ entry.
2614         * config/s390/s390.c (s390_option_override): Set a default value for
2615         PARAM_SCHED_PRESSURE_ALGORITHM.
2616
2617 2012-06-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
2618
2619         PR target/53487
2620         * config/rs6000/rs6000.c (rs6000_generate_compare): If we are
2621         doing an unsigned compare, make sure the second argument is not a
2622         negative constant.
2623         (rs6000_emit_cmove): Don't allow floating point comparisons when
2624         generating ISEL moves.
2625
2626 2012-06-05  Edmar Wienskoski  <edmar@freescale.com>
2627
2628         * config/rs6000/e5500.md: New file.
2629         * config/rs6000/e6500.md: New file.
2630         * config/rs6000/rs6000.c (processor_costs): Add new costs for
2631         e5500 and e6500.
2632         (rs6000_option_override_internal): Altivec and Spe options not
2633         allowed with e5500. Spe options not allowed with e6500. Increase
2634         move inline limit for e5500 and e6500. Disable string instructions
2635         for e5500 and e6500. Enable branch targets alignment for e5500 and
2636         e6500. Initialize rs6000_cost for e5500 and e6500.
2637         (rs6000_adjust_cost): Add extra scheduling cycles between compare
2638         and brnach for e5500 and e6500.
2639         (rs6000_issue_rate): Set issue rate for e5500 and e6500.
2640         * config/rs6000/rs6000-cpus.def: Add cpu definitions for e5500 and
2641         e6500.
2642         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add e5500 and e6500.
2643         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce5500 and
2644         ppce6500.
2645         Include e5500.md and e6500.md.
2646         * config/rs6000/rs6000-opt.h (processor_type): Add
2647         PROCESSOR_PPCE5500 and PROCESSOR_PPCE6500.
2648         * config.gcc (cpu_is_64bit): Add new cores e5500, e6500.
2649         (powerpc*-*-*): Add new cores e5500, e6500.
2650         * doc/invoke.texi: (item -mcpu): Add e5500 and e6500 to list of cpus.
2651
2652 2012-06-05  Richard Guenther  <rguenther@suse.de>
2653
2654         * tree-vect-data-refs.c (vect_analyze_data_refs): Fix last change.
2655
2656 2012-06-05  H.J. Lu  <hongjiu.lu@intel.com>
2657
2658         PR target/53575
2659         * config.gcc: Select x32 run-time library if --with-abi={x32|mx32}
2660         is used for x86_64-*-*.
2661
2662 2012-06-05  Richard Guenther  <rguenther@suse.de>
2663
2664         PR tree-optimization/30442
2665         * tree-vect-data-refs.c (vect_analyze_data_refs): For basic-block
2666         vectorization stop analysis at the first stmt we cannot compute
2667         a data-reference for instead of giving up completely.
2668
2669 2012-06-05  Richard Guenther  <rguenther@suse.de>
2670
2671         * tree-loop-distribution.c (struct partition_s): Add has_writes member.
2672         (partition_alloc): Initialize it.
2673         (partition_has_writes): New function.
2674         (rdg_flag_uses): Adjust.
2675         (rdg_flag_vertex): Likewise.
2676         (rdg_flag_vertex_and_dependent): Likewise.
2677         (rdg_flag_loop_exits): Likewise.
2678         (build_rdg_partition_for_component): Likewise.
2679         (rdg_build_partitions): Likewise.
2680
2681 2012-06-05  Richard Guenther  <rguenther@suse.de>
2682
2683         PR tree-optimization/53081
2684         * tree-loop-distribution.c (generate_memset_builtin): Handle all
2685         kinds of byte-sized stores.
2686         (classify_partition): Likewise.
2687         (tree_loop_distribution): Adjust seed statements used for
2688         !flag_tree_loop_distribution.
2689
2690 2012-06-05  Alan Modra  <amodra@gmail.com>
2691
2692         * config/rs6000/rs6000.c (ptr_regno_for_savres): Comment.
2693         (rs6000_emit_prologue): Ensure register used for inline saves
2694         of vector regs is not the static chain register.  Revise comment.
2695
2696 2012-06-04  Oleg Endo  <olegendo@gcc.gnu.org>
2697
2698         * doc/md.texi (Standard Pattern Names For Generation): Document
2699         sincos pattern.
2700
2701 2012-06-04  H.J. Lu  <hongjiu.lu@intel.com>
2702
2703         PR bootstrap/53555
2704         * config/i386/i386.c (ix86_sched_reorder) Skip debug insns.
2705
2706 2012-06-04  Jason Merrill  <jason@redhat.com>
2707
2708         * dwarf2out.c (is_unit_die): New.
2709         (copy_declaration_context, copy_ancestor_tree): Use it.
2710         (copy_decls_walk): Likewise.
2711
2712 2012-06-04  Paolo Carlini  <paolo.carlini@oracle.com>
2713
2714         PR c++/53524
2715         * doc/invoke.texi (Wenum-compare): Update documentation.
2716
2717 2012-06-04  Dodji Seketeli  <dodji@redhat.com>
2718
2719         PR preprocessor/53463
2720         * parser.c (cp_parser_assignment_expression): Use the location
2721         for the '=' as the default location for the expression.
2722
2723 2012-06-04  Edmar Wienskoski  <edmar@freescale.com>
2724
2725         PR target/53559
2726         * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
2727         operands.
2728         (altivec_stvlxl): Ditto.
2729         (altivec_stvrx): Ditto.
2730         (altivec_stvrxl): Ditto.
2731
2732 2012-06-04  Vladimir Makarov  <vmakarov@redhat.com>
2733
2734         * ira-int.h (struct target_ira_int): Add member x_ira_uniform_class_p.
2735         (ira_uniform_class_p): New macro.
2736
2737         * ira.c (setup_uniform_class_p): New function.
2738         (setup_allocno_and_important_classes): Call the function.
2739         (print_unform_and_important_classes): New function.
2740         (print_classes): Rename to print_translated_classes.
2741         (ira_debug_allocno_classes): Add call of
2742         print_unform_and_important_classes.
2743
2744         * ira-costs.c (setup_regno_cost_classes_by_aclass): Use uniform
2745         classes instead of pressure classes.
2746
2747 2012-06-04  Aldy Hernandez  <aldyh@redhat.com>
2748
2749         PR middle-end/47530
2750         * trans-mem.c (expand_block_edges): Do not skip the first
2751         statement when resetting the BB.
2752
2753 2012-06-04  Richard Guenther  <rguenther@suse.de>
2754
2755         * tree-data-ref.c (stores_from_loop): Remove.
2756         (stmt_with_adjacent_zero_store_dr_p): Likewise.
2757         (stores_zero_from_loop): Likewise.
2758         * tree-data-ref.h (stores_from_loop, stores_zero_from_loop,
2759         stmt_with_adjacent_zero_store_dr_p, stride_of_unit_type_p): Remove.
2760         (adjacent_store_dr_p): New function.
2761         * tree-loop-distribution.c (generate_memset_builtin): Pass
2762         the RDG, use the already available data-reference.
2763         (generate_code_for_partition): Pass down RDG.
2764         (classify_partition): Inline parts of the former
2765         stmt_with_adjacent_zero_store_dr_p here and use adjacent_store_dr_p.
2766         (ldist_gen): Remember if there was any detected builtin and
2767         do less work if not and flag_tree_loop_distribution is not set.
2768         (tree_loop_distribution): Inline and fuse stores_from_loop
2769         and stores_zero_from_loop here.
2770
2771 2012-06-04  Richard Guenther  <rguenther@suse.de>
2772
2773         PR middle-end/53471
2774         * dwarf2out.c (dwarf2out_finish): If generating LTO do not
2775         create new assembler names.
2776
2777 2012-06-04  Richard Guenther  <rguenther@suse.de>
2778
2779         * tree-data-ref.c (struct rdg_vertex_info): Remove.
2780         (rdg_vertex_for_stmt): Simplify using gimple_uid.
2781         (create_rdg_vertices): Pass loop argument, remove stmt to RDG index
2782         hashtable.  Record stmt data-references.
2783         (hash_stmt_vertex_info): Remove.
2784         (eq_stmt_vertex_info): Likewise.
2785         (hash_stmt_vertex_del): Likewise.
2786         (build_empty_rdg): Simplify.
2787         (build_rdg): Adjust.
2788         (free_rdg): Likewise.
2789         (ref_base_address): Remove.
2790         (have_similar_memory_accesses): Likewise.
2791         * tree-data-ref.h (create_rdg_vertices): Remove.
2792         (struct rdg_vertex): Add datarefs member.
2793         (RDGV_DATAREFS): New define.
2794         (RDG_DATAREFS): Likewise.
2795         (have_similar_memory_accesses): Remove.
2796         (rdg_has_similar_memory_accesses): Likewise.
2797         * tree-loop-distribution.c (ref_base_address): Re-implement here.
2798         (similar_memory_accesses): Re-implement using existing data-references.
2799         (tree_loop_distribution): Initialize stmt uids for the stmt to
2800         RDG index mapping.
2801         * tree-vect-loop.c (vect_create_epilog_for_reduction): Only
2802         access stmt vinfo for stmts in loop.
2803
2804 2012-06-04  Andreas Schwab  <schwab@linux-m68k.org>
2805
2806         PR target/53461
2807         * config/m68k/m68k.md ("tablejump"): Fix check for
2808         CASE_VECTOR_PC_RELATIVE.
2809
2810 2012-06-04  Steven Bosscher  <steven@gcc.gnu.org>
2811
2812         * output.h (merge_weak, assemble_alias,
2813         initializer_constant_valid_p,
2814         initializer_constant_valid_for_bitfield_p): Move protos from here...
2815         * tree.h: ... to here.
2816         * cgraphclones.c: Do not include output.h.
2817         * gimplify.c: Likewise.
2818         * reload.c: Likewise.
2819         * recog.c: Likewise.
2820         * tree-ssa-loop-ivopts.c: Likewise.
2821         * tree-switch-conversion.c: Likewise.
2822         * c-parser.c: Likewise.
2823         * c-typeck.c: Likewise.
2824         * Makefile.in: Fix dependencies.
2825
2826 2012-06-04  Georg-Johann Lay  <avr@gjlay.de>
2827
2828         PR target/46261
2829         * config/avr/avr-stdint.h: New file.
2830         * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
2831         newlib-stdint.h
2832
2833 2012-06-04  Jakub Jelinek  <jakub@redhat.com>
2834
2835         PR tree-optimization/53550
2836         * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
2837         is POINTER_TYPE_P, use sizetype as step type instead of type.
2838
2839 2012-06-04  Richard Guenther  <rguenther@suse.de>
2840
2841         * tree-data-ref.c (have_similar_memory_accesses_1): Remove.
2842         (ref_base_address_1): Likewise.
2843         (remove_similar_memory_refs): Likewise.
2844         * tree-data-ref.h (remove_similar_memory_refs): Remove.
2845         * tree-loop-distribution.c (classify_partition): Do not classify
2846         as builtin if -ftree-loop-distribute-patterns is not enabled.
2847         (fuse_partitions_with_similar_memory_accesses): Inline ...
2848         (ldist_gen): ... here.  Fuse all non-builtin partitions if
2849         -ftree-loop-distribution is not enabled.  Properly return
2850         the number of created partitions.  Do not update SSA form here but ...
2851         (tree_loop_distribution): ... once here for the whole function.
2852         Only walk innermost loops, constrain loops we consider here
2853         further.  Do not call remove_similar_memory_refs.
2854         (distribute_loop): Do not check number of loop nodes here.
2855
2856 2012-06-04  Steven Bosscher  <steven@gcc.gnu.org>
2857
2858         * Makefile.in (GIMPLE_H): Do not depend on TARGET_H.
2859
2860 2012-06-03  Martin Jambor  <mjambor@suse.cz>
2861
2862         * ipa-prop.h (ipa_get_jf_known_type_offset): New function.
2863         (ipa_get_jf_known_type_base_type): Likewise.
2864         (ipa_get_jf_known_type_component_type): Likewise.
2865         (ipa_get_jf_constant): Likewise.
2866         (ipa_get_jf_pass_through_formal_id): Likewise.
2867         (ipa_get_jf_pass_through_operation): Likewise.
2868         (ipa_get_jf_ancestor_offset): Likewise.
2869         (ipa_get_jf_ancestor_type): Likewise.
2870         (ipa_get_jf_ancestor_formal_id): Likewise.
2871         (ipa_get_jf_member_ptr_pfn): Likewise.
2872         * ipa-prop.c (ipa_set_jf_known_type): New function.
2873         (ipa_set_jf_constant): Likewise.
2874         (ipa_set_jf_simple_pass_through): Likewise.
2875         (ipa_set_jf_arith_pass_through): Likewise.
2876         (ipa_set_ancestor_jf): Likewise.
2877         (fill_member_ptr_cst_jump_function): Moved up and renamed to
2878         ipa_set_jf_member_ptr_cst.
2879         (detect_type_change_1): Use the new jump function creation functions.
2880         (compute_complex_assign_jump_func): Likewise.
2881         (compute_complex_ancestor_jump_func): Likewise.
2882         (compute_known_type_jump_func): Likewise.
2883         (compute_scalar_jump_functions): Likewise.
2884         (compute_pass_through_member_ptrs): Likewise.
2885         (determine_cst_member_ptr): Likewise.
2886         (combine_known_type_and_ancestor_jfs): Likewise.
2887         (try_make_edge_direct_simple_call): Likewise.
2888         (try_make_edge_direct_virtual_call): Likewise.
2889         (update_indirect_edges_after_inlining): Likewise.
2890         * ipa-cp.c (ipa_get_jf_pass_through_result): Use jump function
2891         access functions.  Incorporat NOP_EXPR and BINFO handling from its
2892         callers.
2893         (ipa_get_jf_ancestor_result): Likewise.  Incorporate handling BINFOs
2894         which was in its callers.
2895         (ipa_value_from_jfunc): Use jump function access functions.  Some
2896         functionality moved to functions above.
2897         (propagate_vals_accross_ancestor): Likewise.
2898         (propagate_vals_accross_pass_through): Use jump function access
2899         functions.
2900         (propagate_accross_jump_function): Likewise.
2901         * ipa-inline-analysis.c (remap_edge_change_prob): Use jump function
2902         access functions.
2903         (inline_merge_summary): Likewise.
2904
2905 2012-06-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2906
2907         * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
2908         * config/pa/pa.c (pa_attr_length_millicode_call): Use
2909         MAX_PCREL17F_OFFSET instead of fixed offset.
2910         (pa_attr_length_call): Likewise.
2911         (pa_attr_length_indirect_call): Likewise.
2912
2913 2012-06-03  Oleg Endo  <olegendo@gcc.gnu.org>
2914
2915         PR target/53512
2916         * config/sh/sh.opt (mfsca, mfsrra): New options.
2917         * config/sh/sh.md (rsqrtsf2): Use TARGET_FPU_ANY and TARGET_FSRRA
2918         condition.
2919         (fsca): Use TARGET_FPU_ANY and TARGET_FSCA condition.
2920         (sinssf2, cossf2): Fold expanders to ...
2921         (sincossf3): ... this new expander.  Use TARGET_FPU_ANY and
2922         TARGET_FSCA condition.
2923         * config/sh/sh.c (sh_option_override): Handle TARGET_FSRRA and
2924         TARGET_FSCA.
2925         * doc/invoke.texi (SH Options): Add descriptions for -mfsca,
2926         -mno-fsca, -mfsrra, -mno-fsrra.
2927
2928 2012-06-03  Matt Turner  <mattst88@gmail.com>
2929
2930         * config/mips/4600.md (r4700_imul_si): New.
2931         (r4700_imul_di): New.
2932         (r4700_fmul_single): New.
2933         (r4700_fmul_double): New.
2934         * config/mips/mips-cpus.def: Add r4700.
2935         * config/mips/mips.c: Likewise.
2936         * config/mips/mips.md: Likewise.
2937         * config/mips/mips-tables.opt: Regenerate.
2938
2939 2012-06-02  Steven Bosscher  <steven@gcc.gnu.org>
2940
2941         * config/sparc/sparc.h (INITIAL_ELIMINATION_OFFSET): Split out to
2942         new function sparc_initial_elimination_offset.
2943         * config/sparc/sparc.c (sparc_initial_elimination_offset): New
2944         function.
2945         * config/sparc/sparc-protos.h (sparc_initial_elimination_offset):
2946         Prototype it.
2947
2948 2012-06-02  Kenneth Zadeck <zadeck@naturalbridge.com>
2949
2950         * expmed.c (expand_mult, choose_multiplier): Change
2951         "2 * HOST_BITS_PER_WIDE_INT" to "HOST_BITS_PER_DOUBLE_INT".
2952         * expr.c (convert_modes): Likewise.
2953         * explow.c (plus_constant): Likewise.
2954         * fixed-value.c (fixed_saturate1, fixed_saturate2)
2955         (do_fixed_add, do_fixed_multiply, do_fixed_multiply)
2956         (do_fixed_multiply, do_fixed_multiply, do_fixed_divide)
2957         (do_fixed_divide, do_fixed_divide, do_fixed_divide)
2958         (do_fixed_divide, do_fixed_divide, do_fixed_shift, do_fixed_shift)
2959         (do_fixed_shift, fixed_convert, fixed_convert)
2960         (fixed_convert_from_int, fixed_convert_from_int)
2961         (fixed_convert_from_real): Likewise.
2962         * fold-const.c (fold_convert_const_int_from_fixed, sign_bit_p)
2963         (native_interpret_int, fold_binary_loc, fold_ternary_loc): Likewise.
2964         * varasm.c (output_constructor_bitfield): Likewise.
2965         * tree-vrp.c (register_edge_assert_for_2): Likewise.
2966         * double-int.c (rshift_double, lshift_double): Likewise.
2967         * double-int.h (double_int_fits_in_uhwi_p, double_int, double_int):
2968         Likewise.
2969         * simplify-rtx.c (mode_signbit_p)
2970         (simplify_const_unary_operation, simplify_binary_operation_1)
2971         (simplify_immed_subreg): Likewise.
2972         * builtins.c (c_readstr, fold_builtin_bitop): Likewise.
2973         * tree-vect-generic.c (build_replicated_const): Likewise.
2974         * dbxout.c (stabstr_O): Likewise.
2975         * emit-rtl.c (immed_double_int_const, immed_double_const)
2976         (gen_lowpart_common, init_emit_once): Likewise.
2977         * tree.c (integer_pow2p, tree_log2, tree_floor_log2)
2978         (widest_int_cst_value, upper_bound_in_type): Likewise.
2979         * stor-layout.c (initialize_sizetypes, fixup_signed_type)
2980         (fixup_unsigned_type): Likewise.
2981         * real.c (real_to_integer2, real_from_integer): Likewise.
2982         * dwarf2out.c (size_of_loc_descr, size_of_die, output_die)
2983         (clz_loc_descriptor, mem_loc_descriptor): Likewise.
2984
2985 2012-06-01  Eric Botcazou  <ebotcazou@adacore.com>
2986
2987         PR middle-end/53501
2988         * fold-const.c (fold_binary_loc): Refine previous change.
2989
2990 2012-06-01  Olivier Hainque  <hainque@adacore.com>
2991
2992         * config/rs6000/vxworks.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Restore
2993         the "do {" part of the do-while(0) loop.
2994
2995 2012-06-01  Yuri Rumyantsev  <yuri.s.rumyantsev@intel.com>
2996
2997         * config/i386/i386.c (x86_sched_reorder): New function.
2998         Added new function x86_sched_reorder.
2999
3000 2012-06-01  Richard Guenther  <rguenther@suse.de>
3001
3002         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
3003         Handle PHIs.
3004         (classify_partition): Likewise.
3005
3006 2012-06-01  Richard Guenther  <rguenther@suse.de>
3007
3008         * tree-loop-distribution.c (enum partition_kind): New enum.
3009         (struct partition_s): Add kind and main_stmt members.
3010         (partition_alloc): Initialize kind to PKIND_NORMAL.
3011         (partition_builtin_p): New function.
3012         (copy_loop_before): Remove failure path and assert instead.
3013         (generate_loops_for_partition): Likewise.
3014         (generate_memset_zero): Fold into ...
3015         (generate_memset_builtin): ... this.
3016         (classify_partition): New function with code from
3017         can_generate_builtin and generate_builtin.
3018         (generate_builtin): Remove.
3019         (can_generate_builtin): Likewise.
3020         (fuse_partitions_with_similar_memory_accesses): Call
3021         partition_builtin_p instead of can_generate_builtin.
3022         (rdg_build_partitions): Do not call
3023         fuse_partitions_with_similar_memory_accesses here...
3024         (ldist_gen): ... but here after classifying all partitions.
3025         Remove failure path of generate_code_for_partition.
3026         (generate_code_for_partition): Generate code according
3027         to partition classification.
3028
3029 2012-06-01  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3030             Jonathan Wakely  <jwakely.gcc@gmail.com>
3031
3032         PR c++/50134
3033         * doc/invoke.texi (Warning Options): Explain purpose and differences
3034         between -Wmissing-prototypes and -Wmissing-declarations.
3035
3036 2012-06-01  Christian Bruel  <christian.bruel@st.com>
3037
3038         * gcc.c (save_switch): Add user_p parameter.
3039         (read_specs): Likewise.
3040         (set_specs): Likewise.
3041         (validate_switches): Likewise.
3042         (validate_switches_from_spec): Likewise.
3043         (validate_all_switches): Pass on user_p parameter.
3044         (struct spec_list): Add user_p field.
3045         (struct switchstr): Add known field.
3046         (save_switch): Add known parameter.
3047         (INIT_STATIC_SPEC): Initialize user_p;
3048         (driver_unknown_option_callbac): call save_switch if
3049         OPT_SPECIAL_unknown.
3050         (driver_handle_option): Propagate OPT_specs.
3051         (do_spec_1): Set validated only if known.
3052         (check_live_switch): Likewise.
3053         (validate_switches): Set validated if known or user_spec.
3054
3055 2012-06-01  Hans-Peter Nilsson  <hp@axis.com>
3056
3057         Add CRIS atomic patterns for 1, 2, and 4 bytes.
3058         * config/cris/cris.c (cris_emit_trap_for_misalignment): New function.
3059         * config/cris/cris-protos.h: Declare it.
3060         * config/cris/cris.h [!TARGET_DEFAULT, TARGET_CPU_DEFAULT == 32]
3061         (TARGET_DEFAULT): Add alignment by 32.
3062         [!TARGET_DEFAULT, TARGET_CPU_DEFAULT == 10] (TARGET_DEFAULT): New
3063         case, as TARGET_CPU_DEFAULT == 0 but with alignment as for
3064         TARGET_CPU_DEFAULT == 32.
3065         (TARGET_TRAP_UNALIGNED_ATOMIC): New macro.
3066         * config/cris/cris.md: Include sync.md.  Avoid allocating specific
3067         numbers by replacing the define_constants for all UNSPECs with the
3068         equivalent define_c_enum construct.
3069         * config/cris/cris.opt (mtrap-unaligned-atomic): New option.
3070         * config/cris/sync.md: New file.
3071
3072 2012-05-31  Matt Turner  <mattst88@gmail.com>
3073
3074         * config/mips/4600.md (r4600_imul_si): Rename from r4600_imul.
3075         (r4600_imul_di): New.
3076         (r4600_idiv_si): Rename from r4600_idiv.
3077         (r4600_idiv_di): New.
3078
3079 2012-05-31  Steven Bosscher  <steven@gcc.gnu.org>
3080
3081         * output.h (__gcc_host_wide_int__): Move to hwint.h.
3082         (decl_default_tls_model): Move to tree.h
3083         (dump_file): Move to system.h.
3084         (default_stabs_asm_out_destructor, default_stabs_asm_out_constructor,
3085         dbxout_int, dbxout_stabd, dbxout_begin_stabn, dbxout_begin_stabn_sline,
3086         dbxout_begin_empty_stabs, dbxout_begin_simple_stabs,
3087         dbxout_begin_simple_stabs_desc, dbxout_stab_value_zero,
3088         dbxout_stab_value_zero, dbxout_stab_value_label_diff,
3089         dbxout_stab_value_internal_label,
3090         dbxout_stab_value_internal_label_diff): Move from here ...
3091         * dbxout.h: ... to here.
3092         * system.h (dump_file): Moved here from output.h.
3093         * hwint.h (__gcc_host_wide_int__): Moved here from output.h.
3094         * tree.h (decl_default_tls_model): Moved here from output.h.
3095         * varasm.c (default_stabs_asm_out_destructor,
3096         default_stabs_asm_out_constructor): Move from here ...
3097         * dbxout.c: ... to here.
3098
3099         * gcov-dump.c (dump_file): Rename to dump_gcov_file.  Update callers.
3100
3101         * collect2.h (dump_file): Rename to dump_ld_file.
3102         * collect2.c: Likewise.
3103         * tlink.c: Likewise.
3104
3105         * alias.c: Do not include output.h.
3106         * auto-inc-dec.c: Likewise.
3107         * bt-load.c: Likewise.
3108         * caller-save.c: Likewise.
3109         * cfg.c: Likewise.
3110         * cfgbuild.c: Likewise.
3111         * cfgcleanup.c: Likewise.
3112         * cfglayout.c: Likewise.
3113         * cfgloop.c: Likewise.
3114         * cfgloopanal.c: Likewise.
3115         * cfgloopmanip.c: Likewise.
3116         * cfgrtl.c: Likewise.
3117         * cgraph.c: Likewise.
3118         * cgraphclones.c: Likewise.
3119         * combine-stack-adj.c: Likewise.
3120         * combine.c: Likewise.
3121         * cprop.c: Likewise.
3122         * cse.c: Likewise.
3123         * cselib.c: Likewise.
3124         * dbgcnt.c: Likewise.
3125         * df-problems.c: Likewise.
3126         * df-scan.c: Likewise.
3127         * dojump.c: Likewise.
3128         * fwprop.c: Likewise.
3129         * gcse.c: Likewise.
3130         * graph.c: Likewise.
3131         * haifa-sched.c: Likewise.
3132         * hw-doloop.c: Likewise.
3133         * ipa-inline-transform.c: Likewise.
3134         * ipa-pure-const.c: Likewise.
3135         * ipa-reference.c: Likewise.
3136         * ipa-utils.c: Likewise.
3137         * ira-build.c: Likewise.
3138         * ira-emit.c: Likewise.
3139         * lcm.c: Likewise.
3140         * loop-doloop.c: Likewise.
3141         * loop-invariant.c: Likewise.
3142         * loop-iv.c: Likewise.
3143         * loop-unroll.c: Likewise.
3144         * loop-unswitch.c: Likewise.
3145         * lto-cgraph.c: Likewise.
3146         * lto-section-in.c: Likewise.
3147         * lto-streamer-in.c: Likewise.
3148         * mcf.c: Likewise.
3149         * mode-switching.c: Likewise.
3150         * postreload-gcse.c: Likewise.
3151         * postreload.c: Likewise.
3152         * predict.c: Likewise.
3153         * profile.c: Likewise.
3154         * ree.c: Likewise.
3155         * reg-stack.c: Likewise.
3156         * regcprop.c: Likewise.
3157         * regmove.c: Likewise.
3158         * regstat.c: Likewise.
3159         * reload1.c: Likewise.
3160         * sched-ebb.c: Likewise.
3161         * sel-sched-dump.c: Likewise.
3162         * simplify-rtx.c: Likewise.
3163         * stor-layout.c: Likewise.
3164         * store-motion.c: Likewise.
3165         * tracer.c: Likewise.
3166         * tree-affine.c: Likewise.
3167         * tree-cfg.c: Likewise.
3168         * tree-cfgcleanup.c: Likewise.
3169         * tree-dfa.c: Likewise.
3170         * tree-into-ssa.c: Likewise.
3171         * tree-nomudflap.c: Likewise.
3172         * tree-optimize.c: Likewise.
3173         * tree-pretty-print.c: Likewise.
3174         * tree-profile.c: Likewise.
3175         * tree-ssa-address.c: Likewise.
3176         * tree-ssa-ccp.c: Likewise.
3177         * tree-ssa-copy.c: Likewise.
3178         * tree-ssa-dom.c: Likewise.
3179         * tree-ssa-loop-ch.c: Likewise.
3180         * tree-ssa-loop-im.c: Likewise.
3181         * tree-ssa-loop-manip.c: Likewise.
3182         * tree-ssa-loop-niter.c: Likewise.
3183         * tree-ssa-loop-prefetch.c: Likewise.
3184         * tree-ssa-loop-unswitch.c: Likewise.
3185         * tree-ssa-loop.c: Likewise.
3186         * tree-ssa-propagate.c: Likewise.
3187         * tree-ssa-structalias.c: Likewise.
3188         * tree-ssa-tail-merge.c: Likewise.
3189         * tree-ssa-threadedge.c: Likewise.
3190         * tree-ssa-threadupdate.c: Likewise.
3191         * tree-ssa-uncprop.c: Likewise.
3192         * tree-ssa-uninit.c: Likewise.
3193         * tree-ssa.c: Likewise.
3194         * value-prof.c: Likewise.
3195         * var-tracking.c: Likewise.
3196         * web.c: Likewise.
3197
3198         * config/m32r/m32r.c: Include dbxout.h.
3199         * config/pa/pa.c: Likewise.
3200         * config/rs6000/rs6000.c: Likewise.
3201
3202         * Makefile.in: Fix dependencies.
3203         * config/rs6000/t-rs5000: Likewise.
3204
3205 2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
3206
3207         * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
3208         * gimple.h (block_in_transaction): Check for flag_tm.
3209
3210 2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
3211
3212         PR tree-optimization/52558
3213         * cfg.c (alloc_aux_for_edge): Fix comment.
3214         (alloc_aux_for_edge): Remove static.
3215         * basic-block.h (alloc_aux_for_edge): Protoize.
3216         * tree-ssa-loop-im.c (execute_sm_if_changed): New.
3217         (execute_sm_if_changed_flag): New.
3218         (execute_sm_if_changed_flag_set): New.
3219         (execute_sm): Do not generate data races unless requested.
3220         (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
3221         (tree_ssa_lim_finalize): Call free_aux_for_edges.
3222         * gimple.h (block_in_transaction): New.
3223         (gimple_in_transaction): Use block_in_transaction.
3224
3225 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
3226
3227         PR target/51345
3228         * config/avr/avr.opt (-msp8): Document it.
3229         * doc/invoke.texi (AVR Options): Ditto.  And document related
3230         built-in macros.
3231
3232 2012-05-31  Diego Novillo  <dnovillo@google.com>
3233
3234         * configure.ac (CXX_FOR_BUILD): Define and substitute.
3235         (BUILD_CXXFLAGS): Define and substitute.
3236         * Makefile.in (BUILD_CXXFLAGS): Define.
3237         (CXX_FOR_BUILD): Define.
3238         (COMPILER_FOR_BUILD): Set to CXX_FOR_BUILD if building with C++.
3239         (LINKER_FOR_BUILD): Likewise.
3240         (BUILD_COMPILERFLAGS): Set to BUILD_CXXFLAGS if building with C++.
3241         (BUILD_LINKERFLAGS): Likewise.
3242         * configure: Regenerate.
3243
3244 2012-05-31  Steven Bosscher  <steven@gcc.gnu.org>
3245
3246         * Makefile.in: Fix many dependencies.
3247         * tree-profile.c: Don't include regs.h.
3248         * tree-vectorizer.c: Don't include cfglayout.h.
3249         * tree-vect-stmts.c: Likewise.
3250         * tree-vect-slp.c: Likewise.
3251         * tree-vect-loop.c: Likewise.
3252         * reg-stack.c: Likewise.
3253         * tree-ssa-loop-manip.c: Likewise.
3254         * toplev.c: Likewise.
3255         * varasm.c: Don't include cfglayout.h, basic-block.h,
3256         and tree-iterator.h.
3257         * tree-cfgcleanup.c: Don't include cfglayout.h.
3258         * passes.c: Don't include cfglayout.h, dwarf2asm.h,
3259         dwarf2out.h, dbxout.h, sdbout.h, and xcoffout.h.
3260         * cgraphclones.c: Don't include plugin.h.
3261
3262 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
3263
3264         * config/avr/t-avr: Correct avr-mmcu.texi dependencies.
3265         (s-avr-mmcu-texi): Don't sed on gen-avr-mmcu-texi output.
3266         * doc/avr-mmcu.texi (svn:eol-style): Set to native.
3267
3268 2012-05-31  Richard Guenther  <rguenther@suse.de>
3269
3270         * tree-loop-distribution.c (struct partition_s): New struct,
3271         typedef and vector type.
3272         (partition_alloc, partition_free): New functions.
3273         (generate_loops_for_partition, generate_builtin,
3274         generate_code_for_partition, rdg_flag_uses, rdg_flag_vertex,
3275         rdg_flag_vertex_and_dependent, rdg_flag_loop_exits,
3276         build_rdg_partition_for_component, can_generate_builtin,
3277         similar_memory_accesses, fuse_partitions_with_similar_memory_accesses,
3278         rdg_build_partitions, dump_rdg_partitions, debug_rdg_partitions,
3279         number_of_rw_in_partition, partition_contains_all_rw,
3280         ldist_gen): Use partition_t instead of bitmap.
3281
3282 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
3283
3284         * config/avr/gen-avr-mmcu-texi.c: Sort MCUs.
3285         * doc/avr-mmcu.texi: Regenerate.
3286
3287 2012-05-31  Richard Guenther  <rguenther@suse.de>
3288
3289         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
3290         Use FOR_EACH_SSA_DEF_OPERAND.
3291         (generate_builtin): Adjust.
3292         (stmt_generated_in_another_partition): Remove.
3293         (add_scalar_computations_to_partition): Likewise.
3294         (rdg_build_partitions): Do not call
3295         add_scalar_computations_to_partition.
3296
3297 2012-05-31  Eric Botcazou  <ebotcazou@adacore.com>
3298
3299         * tree-dfa.c (get_ref_base_and_extent): Compute the offset using
3300         double ints throughout.
3301         * tree-sra.c (build_user_friendly_ref_for_offset) <RECORD_TYPE>:
3302         Check that the position of the field is representable as an integer.
3303
3304 2012-05-31  Richard Guenther  <rguenther@suse.de>
3305
3306         * tree-data-ref.c (dr_analyze_innermost): Properly convert
3307         the MEM_REF offset to sizetype.
3308
3309 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
3310
3311         * doc/invoke.texi (AVR Options): Fix typos.
3312
3313 2012-05-31  Hans-Peter Nilsson  <hp@axis.com>
3314
3315         * config/cris/cris.h (CC1_SPEC): Pass through all -march=
3316         and -mcpu= options.
3317         (ASM_SPEC): Ditto, not just -march=v32, but translate non-v10,
3318         non-v32 into --march=v0_v10.
3319
3320 2012-05-31  Richard Sandiford  <rdsandiford@googlemail.com>
3321
3322         * ira-int.h (target_ira_int): Rename x_move_cost to
3323         x_ira_register_move_cost, x_may_move_in_cost to
3324         x_ira_may_move_in_cost and x_may_move_out_cost to
3325         x_ira_may_move_out_cost.  Delete the old fields with
3326         those names and also x_ira_max_register_move_cost,
3327         x_ira_max_may_move_in_cost and x_ira_max_may_move_out_cost.
3328         (move_cost, may_move_in_cost, may_move_out_cost)
3329         (ira_max_register_move_cost, ira_max_may_move_in_cost)
3330         (ira_max_may_move_out_cost): Delete.
3331         * ira.c (init_move_cost): Rename to...
3332         (ira_init_register_move_cost): ...this, deleting the old
3333         function with that name.  Apply above variable renamings.
3334         Retain asserts for null fields.
3335         (ira_init_once): Don't initialize register move costs here.
3336         (free_register_move_costs): Apply above variable renamings.
3337         Remove code for deleted fields.
3338
3339 2012-05-31  Richard Sandiford  <rdsandiford@googlemail.com>
3340
3341         * ira.c (init_move_cost): Adjust choice of subclasses to match
3342         the current ira_init_register_move_cost choice.  Use
3343         ira_class_subset_p instead of reg_class_subset_p.
3344         (ira_init_register_move_cost): Assert that move_cost,
3345         may_move_in_cost and may_move_out_cost already hold the desired
3346         values for their ira_* equivalents.  For the latter two,
3347         ignore classes that can't store a register of the given mode.
3348
3349 2012-05-31  Richard Sandiford  <rdsandiford@googlemail.com>
3350
3351         * ira.c (setup_allocno_and_important_classes): Use
3352         ira_class_hard_regs_num to check whether a class has any
3353         allocatable registers.
3354         (ira_init_register_move_cost): Likewise.
3355
3356 2012-05-31  Richard Sandiford  <rdsandiford@googlemail.com>
3357
3358         * ira.c (init_move_cost): Adjust local variable names to match
3359         file conventions.  Use ira_assert instead of gcc_assert.
3360
3361 2012-05-31  Richard Sandiford  <rdsandiford@googlemail.com>
3362
3363         * regs.h (move_table, move_cost, may_move_in_cost, may_move_out_cost):
3364         Move these definitions and associated target_globals fields to...
3365         * ira-int.h: ...here.
3366         * rtl.h (init_move_cost): Delete.
3367         * reginfo.c (last_mode_for_init_move_cost, init_move_cost): Move to...
3368         * ira.c: ...here, making the latter static.
3369
3370 2012-05-31  Richard Sandiford  <rdsandiford@googlemail.com>
3371
3372         * ira-costs.c (copy_cost): Use ira_init_register_move_cost_if_necessary
3373         and ira_register_move_cost instead of init_move_cost and move_cost.
3374
3375 2012-05-31  Richard Sandiford  <rdsandiford@googlemail.com>
3376
3377         * ira.h (target_ira): Delete x_ira_available_class_regs.
3378         (ira_available_class_regs): Delete.
3379         * ira.c (setup_available_class_regs): Delete.
3380         (setup_alloc_classes): Don't call it.
3381         (setup_pressure_classes): Use ira_class_hard_regs_num instead of
3382         ira_available_class_regs.
3383         * haifa-sched.c (print_curr_reg_pressure, setup_insn_reg_pressure_info)
3384         (model_spill_cost): Likewise.
3385         * ira-build.c (low_pressure_loop_node_p): Likewise.
3386         * ira-color.c (color_pass): Likewise.
3387         * ira-emit.c (change_loop): Likewise.
3388         * ira-lives.c (inc_register_pressure, dec_register_pressure)
3389         (single_reg_class, ira_implicitly_set_insn_hard_regs)
3390         (process_bb_node_lives): Likewise.
3391         * loop-invariant.c (gain_for_invariant): Likewise.
3392
3393 2012-05-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3394
3395         PR target/52999
3396         * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
3397         (pa_section_type_flags): New.
3398         (pa_legitimate_constant_p): Revert previous change.
3399
3400 2012-05-30  Steven Bosscher  <steven@gcc.gnu.org>
3401
3402         * ira.c (allocate_initial_values): Make static.
3403
3404 2012-05-30  Uros Bizjak  <ubizjak@gmail.com>
3405
3406         * config/i386/i386.c (legitimize_tls_address) <TLS_MODEL_INITIAL_EXEC>:
3407         Generate tls_initial_exec_64_sun only when !TARGET_X32.
3408
3409 2012-05-30  Richard Guenther  <rguenther@suse.de>
3410
3411         PR middle-end/53501
3412         * fold-const.c (fold_binary_loc): Make sure to call
3413         fold_plusminus_mult_expr with the original sign of operands.
3414
3415 2012-05-30  Steven Bosscher  <steven@gcc.gnu.org>
3416
3417         * Makefile.in: Fix many dependencies.
3418         (DWARF2_H): Depend on dwarf2.def.
3419         (RTL_ERROR_H): Depend on rtl-error.h.
3420         (TREE_PRETTY_PRINT_H, GIMPLE_PRETTY_PRINT_H): New.  Replace
3421         all gimple-pretty-print.h and tree-pretty-print.h references.
3422
3423 2012-05-30  Marc Glisse  <marc.glisse@inria.fr>
3424
3425         * simplify-rtx.c (simplify_binary_operation_1): Optimize shuffle of
3426         concatenations.
3427
3428 2012-05-30  Richard Guenther  <rguenther@suse.de>
3429
3430         PR middle-end/53522
3431         * tree-emutls.c (gen_emutls_addr): Do not add globals to
3432         referenced-vars.
3433
3434 2012-05-30  Eric Botcazou  <ebotcazou@adacore.com>
3435
3436         * explow.c (probe_stack_range): Restore simple control flow and stop
3437         again when the probe cannot be generated if HAVE_check_stack.
3438
3439 2012-05-30  Jakub Jelinek  <jakub@redhat.com>
3440
3441         PR rtl-optimization/53519
3442         * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
3443         instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
3444
3445 2012-05-30  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
3446
3447         * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
3448
3449 2012-05-29  Jack Howarth  <howarth@bromo.med.uc.edu>
3450
3451         PR debug/53453
3452         * doc/tm.texi: Update.
3453         * doc/tm.texi.in (SDB and DWARF) <TARGET_FORCE_AT_COMP_DIR>: Add @hook.
3454         * target.def (force_at_comp_dir): New hook.
3455         * config/darwin.h (TARGET_FORCE_AT_COMP_DIR): Define.
3456         * dwarf2out.c (dwarf2out_finish): Check targetm.force_at_comp_dir.
3457
3458 2012-05-29  Jack Howarth  <howarth@bromo.med.uc.edu>
3459
3460         * config/darwin.h (STARTFILE_SPEC): Do not use -lbundle1.o when
3461         Darwin >= 10.
3462         (DARWIN_DYLIB1_SPEC): Do not use -ldylib1.10.5.o when Darwin >= 10.
3463         (DARWIN_CRT1_SPEC): Use -lcrt1.10.6.o when Darwin >= 10.
3464
3465 2012-05-29  Oleg Endo  <olegendo@gcc.gnu.org>
3466
3467         PR target/51340
3468         * config/sh/sh.c (sh_option_override): Set TARGET_FMAC if
3469         flag_unsafe_math_optimizations is set.
3470         * doc/invoke.texi (SH Options): Add -mno-fused-madd description.
3471         Update description of -mfused-madd.
3472
3473 2012-05-29  Oleg Endo  <olegendo@gcc.gnu.org>
3474
3475         PR target/52941
3476         * config/sh/predicates.md (atomic_arith_operand,
3477         atomic_logical_operand): New predicates.
3478         * config/sh/sh.c (sh_option_override): Check atomic options.
3479         * config/sh/sh.h (TARGET_ANY_ATOMIC, UNSUPPORTED_ATOMIC_OPTIONS,
3480         UNSUPPORTED_HARD_ATOMIC_CPU): New macros.
3481         (DRIVER_SELF_SPECS): Use UNSUPPORTED_ATOMIC_OPTIONS and
3482         UNSUPPORTED_HARD_ATOMIC_CPU.
3483         * config/sh/sync.md: Update description comments.
3484         (I12): New mode iterator.
3485         (fetchop_predicate, fetchop_constraint): New code attributes.
3486         (atomic_compare_and_swapsi_hard, atomic_compare_and_swap<mode>_hard,
3487         atomic_exchangesi_hard, atomic_exchange<mode>_hard,
3488         atomic_fetch_<fetchop_name>si_hard,
3489         atomic_fetch_<fetchop_name><mode>_hard,
3490         atomic_fetch_nandsi_hard, atomic_fetch_nand<mode>_hard,
3491         atomic_<fetchop_name>_fetchsi_hard,
3492         atomic_<fetchop_name>_fetch<mode>_hard,
3493         atomic_nand_fetchsi_hard, atomic_nand_fetch<mode>_hard,
3494         atomic_test_and_set_hard): New insns.
3495         (atomic_compare_and_swap<mode>_soft, atomic_exchange<mode>_soft,
3496         atomic_fetch_<fetchop_name><mode>_soft, atomic_fetch_nand<mode>_soft,
3497         atomic_<fetchop_name>_fetch<mode>_soft, atomic_nand_fetch<mode>_soft,
3498         atomic_test_and_set_soft): Use same formatting for the first line of
3499         the asm block as in new insns above.
3500         (atomic_compare_and_swap<mode>, atomic_exchange<mode>,
3501         atomic_fetch_<fetchop_name><mode>, atomic_<fetchop_name>_fetch<mode>,
3502         atomic_test_and_set): Integrate new *_hard insns into expanders.
3503         * config/sh/sh.opt (mhard-atomic): New option.
3504         * doc/invoke.texi (SH Options): Document it.
3505
3506 2012-05-29  Meador Inge  <meadori@codesourcery.com>
3507
3508         * c-decl.c (c_push_function_context): Always create a new language
3509         function.
3510         (c_pop_function_context): Clear the language function created in
3511         c_push_function_context.
3512
3513 2012-05-29  Matt Turner  <mattst88@gmail.com>
3514
3515         * config/alpha/ev6.md: (define_bypass "ev6_fmul,ev6_fadd"): New.
3516         (define_bypass "ev6_fcmov"): New.
3517
3518 2012-05-29  Steven Bosscher  <steven@gcc.gnu.org>
3519
3520         * integrate.c: Remove.
3521         * integrate.h: Remove.
3522         * Makefile.in: Remove make rules for integrate.c and INTEGRATE_H.
3523         * config/arm/t-arm: Remove INTEGRATE_H dependency for target files.
3524         * config/rs6000/t-rs6000: Likewise
3525         * config/spu/t-spu-elf: Likewise.
3526         * function.h (get_hard_reg_initial_val, has_hard_reg_initial_val,
3527         get_hard_reg_initial_reg, emit_initial_value_sets): Move prototypes
3528         from integrate.h to here.
3529         (initial_value_entry): New prototype.
3530         * reload.h (allocate_initial_values): Remove prototype.
3531         * tree.h (set_decl_abstract_flags, set_decl_origin_self): Likewise.
3532         * cse.c (fixed_base_plus_p): Don't handle virtual registers for
3533         integrate.c.
3534         * dwarf2out.c (set_decl_origin_self, set_block_origin_self,
3535         set_decl_abstract_flags, set_block_abstract_flags): Move from
3536         integrate.c to here, the only user.
3537         * expmed.c (extract_fixed_bit_field): Remove outdated comment
3538         about integrate.c.
3539         * function.c: Don't include integrate.h.
3540         (struct initial_value_pair, struct initial_value_struct,
3541         get_hard_reg_initial_val, has_hard_reg_initial_val,
3542         get_hard_reg_initial_reg, emit_initial_value_sets): Move from
3543         integrate.c to here.
3544         (initial_value_entry): New function.
3545         * genemit.c (main): Don't print integrate.h include line.
3546         * ira.c: Don't include integrate.h.
3547         (allocate_initial_values): Move from integrate.c to here.
3548         (ira): Update allocate_initial_values call.
3549         * tree-inline.c: Don't include integrate.h.
3550         (function_attribute_inlinable_p): Moved from integrate.c to here.
3551         * cfgexpand.c: Don't include integrate.h.
3552         * except.c: Likewise.
3553         * langhooks.c: Likewise.
3554         * passes.c: Likewise.
3555         * toplev.c: Likewise.
3556         * config/frv/frv.c: Likewise.
3557         * config/pa/pa.c: Likewise.
3558         * config/spu/spu.c: Likewise.
3559         * config/epiphany/epiphany.c: Likewise.
3560         * config/mep/mep.c: Likewise.
3561         * config/score/score.c: Likewise.
3562         * config/picochip/picochip.c: Likewise.
3563         * config/sh/sh.c: Likewise.
3564         * config/alpha/alpha.c: Likewise.
3565         * config/microblaze/microblaze.c: Likewise.
3566         * config/mips/mips.c: Likewise.
3567         * config/v850/v850.c: Likewise.
3568         * config/mmix/mmix.c: Likewise.
3569         * config/bfin/bfin.c: Likewise.
3570         * config/arm/arm.c: Likewise.
3571         * config/s390/s390.c: Likewise.
3572         * config/m32r/m32r.c: Likewise.
3573         * config/rs6000/rs6000.c: Likewise.
3574         * config/c6x/c6x.c: Include function.h instead of integrate.h.
3575         * config/tilegx/tilegx.c: Likewise.
3576         * config/tilepro/tilepro.c: Likewise.
3577
3578 2012-05-29  Georg-Johann Lay  <avr@gjlay.de>
3579
3580         * config/avr/t-avr (s-avr-mmcu-texi): Call
3581         gen-avr-mmcu-texi$(build_exeext) via ./ and don't assume . is in PATH.
3582
3583 2012-05-29  Michael Matz  <matz@suse.de>
3584
3585         * rtl.h (assign_stack_temp, assign_stack_temp_for_type,
3586         assign_temp): Remove 'keep' argument.
3587         (mark_temp_addr_taken): Remove prototype.
3588         * tree.h (expand_decl): Remove prototype.
3589         * function.c (struct temp_slot): Remove addr_taken and keep member.
3590         (assign_stack_temp_for_type) Don't initialize above, remove
3591         keep argument.
3592         (assign_stack_temp, assign_temp): Remove keep argument.
3593         (mark_temp_addr_taken): Remove.
3594         (preserve_temp_slots): Remove handling of addr_taken and keep members.
3595         (free_temp_slots): Ditto.
3596         * expr.c (expand_expr_real_1 <COMPOUND_LITERAL_EXPR>): Remove
3597         dead code.
3598         * stmt.c (expand_asm_operands): Remove dead code.
3599         (expand_decl): Remove.
3600         * c-decl.c (finish_struct): Don't call expand_decl.
3601         * builtins.c (expand_builtin_cexpi): Adjust calls to assign_temp
3602         and assign_stack_temp.
3603         * calls.c (save_fixed_argument_area, initialize_argument_information,
3604         expand_call, emit_library_call_value_1, store_one_arg): Ditto.
3605         * expmed.c (extract_bit_field_1): Ditto.
3606         * expr.c (emit_group_load_1, emit_group_store,
3607         copy_blkmode_from_reg, emit_push_insn, expand_assignment,
3608         store_field, expand_constructor, expand_cond_expr_using_cmove,
3609         expand_expr_real_2, expand_expr_real_1): Ditto.
3610         * stmt.c (expand_asm_operands, expand_return): Ditto.
3611
3612         * function.c (pop_temp_slots): Call free_temp_slots.
3613         * calls.c (store_one_arg): Don't call preserve_temp_slots or
3614         free_temp_slots.
3615         * expr.c (expand_assignment): Don't call free_temp_slots.
3616
3617         * config/arm/arm.c (neon_expand_vector_init): Ditto.
3618         * config/i386/i386.c (ix86_expand_vector_set): Ditto.
3619         (ix86_expand_vector_extract): Ditto.
3620         * config/ia64/ia64.c (spill_xfmode_rfmode_operand,
3621         ia64_expand_movxf_movrf): Ditto.
3622         * config/mips/mips.c (mips_expand_vi_general): Ditto.
3623         * config/mmix/mmix.md (floatdisf2, floatunsdisf2, truncdfsf2,
3624         extendsfdf2): Ditto.
3625         * config/rs6000/rs6000.c (rs6000_expand_vector_init,
3626         rs6000_expand_vector_set, rs6000_expand_vector_extract,
3627         rs6000_allocate_stack_temp): Ditto.
3628         * config/rs6000/rs6000.md (fix_trunctfsi2_fprs): Ditto.
3629         * config/sparc/sparc.c (emit_soft_tfmode_libcall,
3630         sparc_emit_float_lib_cmp, sparc_emit_float_lib_cmp,
3631         sparc_expand_vector_init): Ditto.
3632
3633 2012-05-29  Michael Matz  <matz@suse.de>
3634
3635         * c-tree.h (c_expand_decl): Remove prototype.
3636
3637         * expr.c (expand_expr_real_1 <normal_inner_ref>): Don't allocate
3638         a kept temp.
3639         (expand_expr_real_1 <COMPOUND_LITERAL_EXPR>): Make unreachable.
3640         * gimple-fold.c (canonicalize_constructor_val): Canonicalize
3641         COMPOUND_LITERAL_EXPR.
3642         * function.c (expand_function_start): Don't call expand_decl,
3643         instead assert that we have RTL assigned.
3644         * tree-ssa-live.c (remove_unused_locals): Clear
3645         nonlocal_goto_save_area if its backing variable is removed.
3646         * stmt.c (expand_asm_operands): Remove handling of non-lvalues
3647         as mem inputs.
3648         (expand_decl): Assert that this does nothing.
3649         * calls.c (expand_call): Don't call mark_temp_addr_taken.
3650
3651 2012-05-29  Richard Guenther  <rguenther@suse.de>
3652
3653         PR tree-optimization/53516
3654         * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
3655         bitfield accesses.
3656         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
3657
3658 2012-05-29  Joseph Myers  <joseph@codesourcery.com>
3659
3660         * LANGUAGES: Fix typos.
3661         * Makefile.in: Fix typos.
3662         * alias.c: Fix typos.
3663         * auto-inc-dec.c: Fix typos.
3664         * bb-reorder.c: Fix typos.
3665         * cfgcleanup.c: Fix typos.
3666         * cgraph.c: Fix typos.
3667         * cgraph.h: Fix typos.
3668         * cgraphunit.c: Fix typos.
3669         * collect2-aix.h: Fix typos.
3670         * collect2.c: Fix typos.
3671         * compare-elim.c: Fix typos.
3672         * config/alpha/vms.h: Fix typos.
3673         * config/arm/README-interworking: Fix typos.
3674         * config/arm/arm.c: Fix typos.
3675         * config/arm/iterators.md: Fix typos.
3676         * config/arm/vxworks.h: Fix typos.
3677         * config/avr/avr.c: Fix typos.
3678         * config/avr/avr.h: Fix typos.
3679         * config/avr/avr.md: Fix typos.
3680         * config/avr/builtins.def: Fix typos.
3681         * config/c6x/c6x.c: Fix typos.
3682         * config/cr16/cr16.c: Fix typos.
3683         * config/cr16/cr16.md: Fix typos.
3684         * config/cris/cris.md: Fix typos.
3685         * config/darwin.c: Fix typos.
3686         * config/darwin.opt: Fix typos.
3687         * config/i386/i386-c.c: Fix typos.
3688         * config/i386/i386.c: Fix typos.
3689         * config/ia64/ia64.c: Fix typos.
3690         * config/m68k/cf.md: Fix typos.
3691         * config/mep/mep.c: Fix typos.
3692         * config/microblaze/microblaze.c: Fix typos.
3693         * config/microblaze/microblaze.h: Fix typos.
3694         * config/mn10300/mn10300.c: Fix typos.
3695         * config/mn10300/mn10300.md: Fix typos.
3696         * config/pa/pa.c: Fix typos.
3697         * config/picochip/picochip.h: Fix typos.
3698         * config/rs6000/a2.md: Fix typos.
3699         * config/rs6000/rs6000.c: Fix typos.
3700         * config/rs6000/vector.md: Fix typos.
3701         * config/rx/rx.md: Fix typos.
3702         * config/rx/rx.opt: Fix typos.
3703         * config/s390/2097.md: Fix typos.
3704         * config/s390/s390.c: Fix typos.
3705         * config/s390/s390.h: Fix typos.
3706         * config/sh/sh.c: Fix typos.
3707         * config/sh/sh.md: Fix typos.
3708         * config/sparc/sync.md: Fix typos.
3709         * config/spu/spu.c: Fix typos.
3710         * config/spu/spu.md: Fix typos.
3711         * config/vms/vms.c: Fix typos.
3712         * config/vxworks-dummy.h: Fix typos.
3713         * config/vxworks.h: Fix typos.
3714         * cselib.c: Fix typos.
3715         * df-scan.c: Fix typos.
3716         * df.h: Fix typos.
3717         * doc/extend.texi: Fix typos.
3718         * doc/install.texi: Fix typos.
3719         * doc/invoke.texi: Fix typos.
3720         * doc/md.texi: Fix typos.
3721         * doc/plugins.texi: Fix typos.
3722         * doc/rtl.texi: Fix typos.
3723         * dse.c: Fix typos.
3724         * dwarf2asm.c: Fix typos.
3725         * dwarf2out.c: Fix typos.
3726         * except.h: Fix typos.
3727         * expr.c: Fix typos.
3728         * fold-const.c: Fix typos.
3729         * gcc.c: Fix typos.
3730         * gcse.c: Fix typos.
3731         * genautomata.c: Fix typos.
3732         * gengtype-state.c: Fix typos.
3733         * gengtype.c: Fix typos.
3734         * genhooks.c: Fix typos.
3735         * gimple-fold.c: Fix typos.
3736         * gimple-pretty-print.c: Fix typos.
3737         * gimple.c: Fix typos.
3738         * gimple.h: Fix typos.
3739         * gimplify.c: Fix typos.
3740         * graphite-interchange.c: Fix typos.
3741         * graphite-sese-to-poly.c: Fix typos.
3742         * ifcvt.c: Fix typos.
3743         * input.c: Fix typos.
3744         * ipa-cp.c: Fix typos.
3745         * ipa-inline-analysis.c: Fix typos.
3746         * ipa-inline-transform.c: Fix typos.
3747         * ipa-inline.c: Fix typos.
3748         * ipa-pure-const.c: Fix typos.
3749         * ipa-ref.h: Fix typos.
3750         * ipa-reference.c: Fix typos.
3751         * ipa-utils.c: Fix typos.
3752         * ipa.c: Fix typos.
3753         * ira-emit.c: Fix typos.
3754         * ira-lives.c: Fix typos.
3755         * lto-streamer.c: Fix typos.
3756         * lto-streamer.h: Fix typos.
3757         * lto-wrapper.c: Fix typos.
3758         * mcf.c: Fix typos.
3759         * mode-switching.c: Fix typos.
3760         * modulo-sched.c: Fix typos.
3761         * plugin.c: Fix typos.
3762         * postreload.c: Fix typos.
3763         * sched-deps.c: Fix typos.
3764         * sel-sched-ir.c: Fix typos.
3765         * sel-sched-ir.h: Fix typos.
3766         * sel-sched.c: Fix typos.
3767         * sese.c: Fix typos.
3768         * stor-layout.c: Fix typos.
3769         * target-hooks-macros.h: Fix typos.
3770         * target.def: Fix typos.
3771         * trans-mem.c: Fix typos.
3772         * tree-eh.c: Fix typos.
3773         * tree-predcom.c: Fix typos.
3774         * tree-sra.c: Fix typos.
3775         * tree-ssa-address.c: Fix typos.
3776         * tree-ssa-loop-ivopts.c: Fix typos.
3777         * tree-ssa-loop-niter.c: Fix typos.
3778         * tree-ssa-math-opts.c: Fix typos.
3779         * tree-ssa-pre.c: Fix typos.
3780         * tree-ssa-propagate.c: Fix typos.
3781         * tree-ssa-reassoc.c: Fix typos.
3782         * tree-ssa-sccvn.c: Fix typos.
3783         * tree-ssa-ter.c: Fix typos.
3784         * tree-ssa-uninit.c: Fix typos.
3785         * tree-ssanames.c: Fix typos.
3786         * tree-vect-generic.c: Fix typos.
3787         * tree-vect-slp.c: Fix typos.
3788         * tree.c: Fix typos.
3789         * tree.h: Fix typos.
3790         * varasm.c: Fix typos.
3791         * varpool.c: Fix typos.
3792
3793 2012-05-29  Joseph Myers  <joseph@codesourcery.com>
3794
3795         * doc/include/texinfo.tex: Update to version 2012-05-16.16.
3796
3797 2012-05-29  Richard Guenther  <rguenther@suse.de>
3798
3799         * tree-dfa.c (find_vars_r): Do not call add_referenced_vars
3800         for globals.
3801         (add_referenced_var_1): Re-organize.  Assert we are not
3802         called for globals.
3803         (remove_referenced_var): Likewise.
3804         * varpool.c (add_new_static_var): Use create_tmp_var_raw.
3805         * tree-mudflap.c (execute_mudflap_function_ops): Do not
3806         call add_referenced_var on globals.
3807         * matrix-reorg.c (transform_access_sites): Likewise.
3808
3809 2012-05-29  Steven Bosscher  <steven@gcc.gnu.org>
3810
3811         * alias.c (reg_known_value): Make this a VEC.
3812         (reg_known_equiv_p): Make this an sbitmap.
3813         (reg_known_value_size): Remove.
3814         (get_reg_known_value, set_reg_known_value, get_reg_known_equiv_p,
3815         set_reg_known_equiv_p): Update for reg_known_value and
3816         reg_known_value_size data structure change.
3817         (init_alias_analysis, end_alias_analysis): Likewise.
3818
3819 2012-05-29  Jakub Jelinek  <jakub@redhat.com>
3820
3821         PR middle-end/53510
3822         * input.c (read_line): Use XRESIZEVEC instead of XNEWVEC
3823         to avoid leaking memory.  No need to handle memory allocation
3824         failure.  Double string_len on each reallocation instead of adding 2.
3825         * gcov.c (read_line): Likewise.
3826
3827 2012-05-29  Hans-Peter Nilsson  <hp@axis.com>
3828
3829         * config/cris/cris.h (TARGET_HAS_BREAK, TARGET_TRAP_USING_BREAK8):
3830         New macros.
3831         * config/cris/cris.md ("trap"): Define, enabled for
3832         TARGET_TRAP_USING_BREAK8.
3833         * config/cris/cris.opt (mtrap-using-break8): New option.
3834
3835 2012-05-28  Paolo Carlini  <paolo.carlini@oracle.com>
3836
3837         PR c++/25137
3838         * doc/invoke.texi: Document -Wmissing-braces not enabled by -Wall
3839         for C++.
3840
3841 2012-05-28  Hans-Peter Nilsson  <hp@axis.com>
3842
3843         * doc/md.texi (stack_protect_test): Remove negation of branch to label.
3844         (Standard Names): Fix typos in documentation of atomic patterns.
3845
3846 2012-05-27  Nathan Sidwell  <nathan@acm.org>
3847
3848         * tree.c (build_constructor): Propagate TREE_SIDE_EFFECTS.
3849
3850 2012-05-26  Jason Merrill  <jason@redhat.com>
3851
3852         PR c++/53220
3853         * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
3854         about array compound literals.
3855
3856 2012-05-26  Eric Botcazou  <ebotcazou@adacore.com>
3857
3858         * cfgcleanup.c (try_optimize_cfg): Do not delete forwarder blocks
3859         if CLEANUP_NO_INSN_DEL.
3860         * cfgrtl.c (unique_locus_on_edge_between_p): New function extracted
3861         from cfg_layout_merge_blocks.
3862         (emit_nop_for_unique_locus_between): New function.
3863         (rtl_merge_blocks): Invoke emit_nop_for_unique_locus_between.
3864         (cfg_layout_merge_blocks): Likewise.
3865
3866 2012-05-26  Dimitrios Apostolou  <jimis@gmx.net>
3867             Paolo Bonzini  <bonzini@gnu.org>
3868
3869         * df-scan.c (df_def_record_1): Assert a parallel must contain an
3870         EXPR_LIST at this point.  Receive the LOC and move its extraction...
3871         (df_defs_record): ... here. Change if-else to a switch statement.
3872         (df_find_hard_reg_defs, df_find_hard_reg_defs_1): New.
3873         (df_get_call_refs): Changed defs_generated from bitmap to HARD_REG_SET
3874         and compute it from df_find_hard_reg_defs(). Record DF_REF_BASE
3875         DEFs in REGNO order. Use HARD_REG_SET instead of bitmap for
3876         regs_invalidated_by_call.
3877         (df_insn_refs_collect): Record DF_REF_REGULAR DEFs after
3878         df_get_call_refs().
3879
3880 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
3881
3882         PR lto/52178
3883         * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
3884         * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
3885
3886 2012-05-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
3887
3888         * config/rs6000/t-linux64: Delete the 32-bit multilib that uses
3889         software floating point emulation.  No longer build the multilibs
3890         with -mstrict-align.
3891
3892 2012-05-25  Aldy Hernandez  <aldyh@redhat.com>
3893
3894         PR middle-end/53008
3895         * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
3896         accessed indirectly.
3897         (ipa_tm_create_version): Same.
3898
3899 2012-05-25  Uros Bizjak  <ubizjak@gmail.com>
3900
3901         PR target/53474
3902         * config/i386/i386.c (ix86_print_operand) <case 'O'>: Print '.' here.
3903         <case 'C', case 'c', case 'F', case 'f'>: Print '.' only for C and c.
3904
3905 2012-05-25  Alexander Ivchenko  <alexander.ivchenko@intel.com>
3906
3907         PR target/53435
3908         * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
3909         (ix86_expand_vec_perm): Use int mode instead of float.
3910         (expand_vec_perm_pshufb): Remove handling of useseless type
3911         conversion.
3912
3913 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
3914
3915         PR ada/52362
3916         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
3917         gnu_ld variables to yes.
3918         * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
3919         (HAVE_GNU_AS): Likewise.
3920         * config.in: Regenerate.
3921         * configure: Likewise.
3922
3923 2012-05-25  Tristan Gingold  <gingold@adacore.com>
3924
3925         * config/i386/i386.c (struct ix86_frame): Remove unused frame field.
3926         (ix86_compute_frame_layout): Fix type of stack_alignment_needed
3927         and preferred_alignment.
3928
3929 2012-05-25  Tristan Gingold  <gingold@adacore.com>
3930
3931         * common/config/ia64/ia64-common.c (ia64_except_unwind_info): Fix typo.
3932
3933 2012-05-25  Thomas Schwinge  <thomas@codesourcery.com>
3934
3935         * fold-const.c (optimize_bit_field_compare): Abort early in the strict
3936         volatile bitfields case.
3937
3938 2012-05-24  Pat Haugen  <pthaugen@us.ibm.com>
3939
3940         * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
3941         rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
3942         (adjacent_mem_locations): Move some code to and call...
3943         (get_memref_parts): ...new function.
3944         (mem_locations_overlap): New function.
3945         (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
3946         (is_mem_ref): Rename to...
3947         (find_mem_ref): ...this. Return MEM rtx.
3948         (get_store_dest): Remove function.
3949         (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
3950         new parameter and adjust calls.
3951         (rs6000_is_costly_dependence): Update calls for extra arg. Make sure
3952         mem refs overlap for true_store_to_load_dep_costly.
3953         (rs6000_sched_reorder2): Update calls for extra arg. Adjust args
3954         passed to adjacent_mem_locations.
3955         (is_costly_group): Walk resolved dependency list.
3956         (force_new_group): Emit group ending nop for Power6/Power7.
3957         * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
3958         (group_ending_nop): New define_insn.
3959
3960 2012-05-24  Dodji Seketeli  <dodji@redhat.com>
3961
3962         Make unwound macro expansion trace less redundant
3963         * tree-diagnostic.c (maybe_unwind_expanded_macro_loc): Don't print
3964         context of macro definition in the trace, when it's redundant.
3965         Update comments.
3966
3967 2012-05-24  Richard Guenther  <rguenther@suse.de>
3968
3969         PR middle-end/53460
3970         * tree-profile.c (tree_profiling): Cleanup the CFG if
3971         execute_fixup_cfg requests it.
3972
3973 2012-05-24  Richard Guenther  <rguenther@suse.de>
3974
3975         * tree-flow.h (create_var_ann): Remove.
3976         * tree-dfa.c (create_var_ann): Remove and inline into its
3977         single caller ...
3978         (add_referenced_var_1): ... here.
3979         * varpool.c (add_new_static_var): Do not call add_referenced_var
3980         for global vars.
3981         * gimple-fold.c (canonicalize_constructor_val): Likewise.
3982         * tree-switch-conversion.c (build_one_array): Likewise.
3983         * tree-profile.c (gimple_gen_ic_profiler): Likewise.
3984         * tree-flow-inline.h (gimple_referenced_vars): Guard against
3985         NULL fn argument.
3986         * tree-inline.c (remap_gimple_op_r): Likewise.  Check
3987         gimple_referenced_vars instead of gimple_in_ssa_p.
3988         (copy_tree_body_r): Likewise.
3989         (setup_one_parameter): Likewise.
3990         (declare_return_variable): Likewise.
3991         (tree_function_versioning): Likewise.
3992
3993 2012-05-24  Jakub Jelinek  <jakub@redhat.com>
3994
3995         PR tree-optimization/53465
3996         * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
3997         vr0 into *vr, then vrp_meet that.
3998         (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
3999         have any equivalences.
4000         (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
4001         first time.
4002
4003 2012-05-24  Jim MacArthur  <jim.macarthur@arm.com>
4004
4005         * recog.c (reg_fits_class_p): Check both regno and regno + offset are
4006         hard registers.
4007         * regs.h (in_hard_reg_set_p): Assert that regno is a hard register and
4008         check end_regno - 1 is a hard register.
4009
4010 2012-05-24  Richard Guenther  <rguenther@suse.de>
4011
4012         * varpool.c (add_new_static_var): Remove call to create_var_ann.
4013         * tree-ssa-operands.c (create_vop_var): Likewise.
4014
4015 2012-05-24  Richard Guenther  <rguenther@suse.de>
4016
4017         PR bootstrap/53466
4018         * tree-ssa-live.c (remove_unused_scope_block_p): Properly
4019         handle globals.
4020         (remove_unused_locals): Pass global_unused_vars to
4021         remove_unused_scope_block_p.  Restore code walking all
4022         referenced vars and pruning them.
4023
4024 2012-05-23  Jan Hubicka  <jh@suse.cz>
4025
4026         * tree.h (alias_diag_flags): Remove.
4027         (alias_pair): Remove emitted_diags.
4028         (finish_aliases_1, finish_aliases_2, remove_unreachable_alias_pairs,
4029         symbol_alias_set_t, symbol_alias_set_destroy,
4030         symbol_alias_set_contains, propagate_aliases_backward): Remove.
4031         * toplev.c (compile_file): Do not call finish_aliases_2
4032         * cgraphunit.c (cgraph_process_new_functions): Do not call
4033         finish_aliases_1.
4034         (handle_alias_pairs): Output diagnostics about aliases to externals.
4035         (assemble_thunks_and_aliases): Use do_assemble_alias.
4036         (output_weakrefs): Likewise.
4037         (finalize_compilation_unit): Do not call finish_aliases_1.
4038         * ipa.c (symtab_remove_unreachable_nodes): De not call
4039         remove_unreachable_alias_pairs.
4040         * varasm.c (do_assemble_alias): Export.
4041         (symbol_alias_set_create, symbol_alias_set_destroy,
4042         symbol_alias_set_contains, symbol_alias_set_insert,
4043         propagate_aliases_forward, propagate_aliases_backward,
4044         propagate_aliases_backward, trivially_visible_alias,
4045         trivially_defined_alias, remove_unreachable_alias_pairs,
4046         finish_aliases_1, finish_aliases_2, assemble_alias): Remove.
4047         * output.h (do_assemble_alias): Declare.
4048         * varpool.c (varpool_remove_unreferenced_decls): Do not call
4049         finish_aliases_1.
4050
4051 2012-05-23  Martin Jambor  <mjambor@suse.cz>
4052
4053         * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
4054
4055 2012-05-23  Eric Botcazou  <ebotcazou@adacore.com>
4056
4057         * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
4058         size handling.
4059         (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
4060         (iterative_hash_gimple_type): Adjust comment.
4061         (iterative_hash_canonical_type): Likewise.  Hash the bounds of the
4062         domain for an array type instead of the domain type itself.
4063
4064 2012-05-23  Richard Guenther  <rguenther@suse.de>
4065
4066         PR tree-optimization/53438
4067         * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
4068
4069 2012-05-23  Georg-Johann Lay  <avr@gjlay.de>
4070
4071         PR target/53448
4072         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
4073         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
4074         ASM_OUTPUT_ALIGN.
4075
4076 2012-05-23  Richard Guenther  <rguenther@suse.de>
4077
4078         * tree-dfa.c (add_referenced_var_1): Do not add global vars.
4079         * tree-ssa-live.c (mark_all_vars_used_1): Handle global vars
4080         via the global_unused_vars bitmap.
4081         (remove_unused_locals): Handle global vars in local-decls via
4082         a global_unused_vars bitmap instead of the used flag in the
4083         var annotation.  Simplify global variable handling and removal.
4084
4085 2012-05-22  Jan Hubicka  <jh@suse.cz>
4086
4087         PR middle-end/53426
4088         * tree-ssa-structalias.c (create_variable_info_for): Skip constructors
4089         from other partitions.
4090
4091 2012-05-22  Jan Hubicka  <jh@suse.cz>
4092
4093         PR middle-end/53161
4094         * symtab.c (symtab_register_node): Fix ordering issue.
4095
4096 2012-05-22  Steven Drake <sbd@NetBSD.org>
4097
4098         * gcc.c (do_spec_1): Add %M spec token to output multilib_os_dir.
4099
4100 2012-05-22  David Edelsohn  <dje.gcc@gmail.com>
4101
4102         * config/rs6000/rs6000.c (rs6000_aix_asm_output_dwarf_table_ref):
4103         Use strip_name_encoding target hook.
4104
4105 2012-05-22  Richard Guenther  <rguenther@suse.de>
4106
4107         * tree.h (VAR_DECL_IS_VIRTUAL_OPERAND): New.
4108         (init_function_for_compilation): Remove.
4109         * tree-dfa.c (find_vars_r): Take struct function argument.
4110         (find_referenced_vars_in): Adjust.
4111         * tree-ssa-operands.c (clobber_stats): Remove.
4112         (create_vop_var): Take struct function argument.  Mark
4113         virtual operand with VAR_DECL_IS_VIRTUAL_OPERAND.
4114         (init_ssa_operands): Take struct function argument.
4115         (fini_ssa_operands): Do not dump dead stats.
4116         * tree-ssa-operands.h (init_ssa_operands): Take struct function
4117         argument.
4118         * cgraphunit.c (init_lowered_empty_function): Adjust.
4119         * lto-streamer-in.c (input_cfg): Likewise.
4120         * tree-inline.c (initialize_cfun): Likewise.
4121         * tree-into-ssa.c (rewrite_into_ssa): Likewise.
4122         * omp-low.c (expand_omp_taskreg): Likewise.  Avoid switching cfun.
4123         * gimple.c (is_gimple_reg): Optimize the SSA_NAME case,
4124         virtual operands are not registers.
4125
4126 2012-05-22  Richard Guenther  <rguenther@suse.de>
4127
4128         * tree-cfg.c (verify_gimple_assign_unary): Fix typo in previous commit.
4129
4130 2012-05-22  Richard Guenther  <rguenther@suse.de>
4131
4132         PR middle-end/53437
4133         * tree-inline.c (setup_one_parameter): Create a dummy init
4134         statement for unused parameters when not optimizing.
4135
4136 2012-05-22  Richard Guenther  <rguenther@suse.de>
4137
4138         * tree-flow.h (add_referenced_var_1): Declare.
4139         (add_referenced_var): Define.
4140         * tree-dfa.c (referenced_var_check_and_insert): Avoid one hash lookup.
4141         (add_referenced_var): Rename to ...
4142         (add_referenced_var_1): ... this.  Take struct function argument.
4143
4144 2012-05-22  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
4145
4146         PR target/53334
4147         * config/arm/arm-protos.h (arm_validize_comparison): Declare.
4148         * config/arm/arm.c (arm_validize_comparison): Define.
4149         * config/arm/arm.md ("cbranchsi4"): Cleanup expansion and use
4150         arm_validize_comparison.
4151         ("cbranchdi4"): Likewise.
4152         ("cstoredi4"): Likewise.
4153         ("movsicc"): Likewise.
4154         ("movsfcc"): Likewise.
4155         ("movdfcc"): Likewise.
4156
4157 2012-05-22  Dimitrios Apostolou  <jimis@gmx.net>
4158
4159         * df-scan.c (df_scan_alloc): Round up allocation pools size, reduce
4160         the mw_reg_pool size.
4161
4162 2012-05-22  Paolo Bonzini  <bonzini@gnu.org>
4163
4164         PR tree-optimization/53336
4165         * tree-cfg.c (verify_gimple_assign_unary): Allow conversion from
4166         non-integer integral types to offset type and vice versa.
4167
4168 2012-05-22  Alan Modra  <amodra@gmail.com>
4169
4170         * config/rs6000/aix.h (FP_SAVE_INLINE, GP_SAVE_INLINE): Delete.
4171         * config/rs6000/darwin.h (FP_SAVE_INLINE, GP_SAVE_INLINE): Delete.
4172         * config/rs6000/sysv4.h (FP_SAVE_INLINE, GP_SAVE_INLINE,
4173         V_SAVE_INLINE): Delete.
4174         * config/rs6000/rs6000.c (V_SAVE_INLINE): Delete.
4175         (rs6000_savres_strategy): Reimplement GP/FP/V_SAVE_INLINE logic.
4176         For ELF targets, use out-of-line restores for -Os and any number
4177         of regs if the restore exits, and out-of-line gp save for two or
4178         more regs.  Use save_reg_p to test for holes in reg restore set.
4179         Replace "#if" with "if".
4180
4181 2012-05-22  Alan Modra  <amodra@gmail.com>
4182
4183         * config/rs6000/rs6000.c (save_reg_p): New function.
4184         (first_reg_to_save, first_fp_reg_to_save): Use it here.
4185         (first_altivec_reg_to_save, restore_saved_cr): Likewise.
4186         (emit_frame_save): Use gen_frame_store.
4187         (gen_frame_mem_offset): Correct SPE condition requiring reg+reg.
4188         (rs6000_emit_prologue): Use save_reg_p.  Use gen_frame_store for
4189         vrsave and toc.
4190         (rs6000_emit_epilogue): Use save_reg_p.  Use gen_frame_load for
4191         vrsave, toc, gp and fp restores.
4192
4193 2012-05-22  Alan Modra  <amodra@gmail.com>
4194
4195         * config/rs6000/rs6000.c: Delete unnecessary forward declarations.
4196         Move those with ATTRIBUTE_UNUSED to immediately before definitions.
4197         Move function pointer variables after forward declarations.
4198         (rs6000_builtin_support_vector_misalignment): Make static.
4199         (rs6000_legitimate_address_p, rs6000_gimplify_va_arg): Likewise.
4200         (rs6000_function_value, rs6000_can_eliminate): Likewise.
4201
4202 2012-05-21  Bernd Schmidt  <bernds@codesourcery.com>
4203
4204         PR rtl-optimization/53373
4205         * caller-save.c (save_call_clobbered_regs): Look into a possible
4206         PARALLEL manually rather than using single_set on a call insn.
4207
4208 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
4209
4210         PR tree-optimization/53436
4211         * omp-low.c (omp_build_component_ref): New function.
4212         (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
4213
4214 2012-05-21  Uros Bizjak  <ubizjak@gmail.com>
4215
4216         * config/i386/i386.c (put_condition_code): Change "reverse" and "fp"
4217         arguments to bool.
4218         (ix86_print_operand) <case 'O'>: Look at mode size of the operand.
4219         Do not print '.' here.  Output operand lossage error for unhandled
4220         sizes.  Move.
4221         <case '*'>: Move.
4222         <case '&'>: Ditto.
4223         <case 'Y'>: Ditto.
4224         <case 'z'>: Hardcode "code" argument into error strings.
4225         <case 'Z'>: Ditto.
4226         <case 'D'>: Merge AVX and non-AVX codes.
4227         <case 'C', case 'c', case 'F', case 'f'>: Merge.  Fix error string.
4228         Update call to put_condition_code.
4229
4230 2012-05-21  Andreas Schwab  <schwab@linux-m68k.org>
4231
4232         * config/m68k/m68k.md (*clzsi2_cf): Renamed from clzsi2.  Call
4233         CC_STATUS_INIT.
4234         (clzsi2): New expander.
4235         (*clzsi2_68k): New insn.
4236         * config/m68k/m68k.h: Update comment about CLZ_DEFINED_VALUE_AT_ZERO.
4237
4238 2012-05-21  Aldy Hernandez  <aldyh@redhat.com>
4239
4240         * gimple.h (gimple_set_in_transaction): Remove.
4241         (gimple_in_transaction): Look in BB instead.
4242         (gimple_statement_base): Remove in_transaction field.
4243         * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
4244         * trans-mem.c (compute_transaction_bits): Place transaction bit
4245         information into basic blocks.
4246
4247 2012-05-21  Andreas Schwab  <schwab@linux-m68k.org>
4248
4249         * expr.c (get_def_for_expr_class): Define only if
4250         HAVE_conditional_move.
4251         (convert_tree_comp_to_rtx): Likewise.
4252
4253 2012-05-21  Uros Bizjak  <ubizjak@gmail.com>
4254
4255         PR target/53399
4256         * config/i386/i386.md (ffs<mode>2): Generate CCCmode compare
4257         for TARGET_BMI.
4258         (ffssi2_no_cmove): Ditto.
4259         (*ffs<mode>_1): Remove insn pattern.
4260         (*tzcnt<mode>_1): New insn pattern.
4261         (*bsf<mode>1): Ditto.
4262
4263 2012-05-21  Richard Guenther  <rguenther@suse.de>
4264
4265         * tree-dfa.c (add_referenced_var): Do not walk DECL_INITIAL for
4266         more referenced vars.
4267         * tree-ssa-live.c (mark_all_vars_used_1): Only set the used
4268         flag on variables that have a var-annotation.
4269
4270 2012-05-21  Joseph Myers  <joseph@codesourcery.com>
4271
4272         PR c/53418
4273         * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
4274         from folded operands before wrapping another around the
4275         conditional expression.
4276
4277 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
4278
4279         PR tree-optimization/53366
4280         * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
4281         tests if complex_numbers == 2, but there are non-complex number loads
4282         too.
4283
4284         PR tree-optimization/53409
4285         * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
4286         vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
4287
4288         PR tree-optimization/53410
4289         * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
4290         instead of build_int_cst (type, 0) where vector types might be
4291         involved. Instead of build_int_cst (type, 1) convert the original
4292         integer_onep argument to the desired type.
4293
4294 2012-05-21  Michael Matz  <matz@suse.de>
4295
4296         * genattrtab.c (attr_rtx_cost): Move earlier, start with cost being 1.
4297         (simplify_test_exp): Handle one more case of distributive law,
4298         decrease cost threshold.
4299         (tests_attr_p, get_attr_order): New functions.
4300         (optimize_attrs): Use topological order, inline only cheap values.
4301         (write_attr_set): Reset our_known_true after some time.
4302
4303 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
4304
4305         PR target/53425
4306         * config/i386/i386.c (type_natural_mode): Warn passing SSE
4307         vector argument without SSE enabled changes the ABI.
4308
4309 2012-05-21  Richard Guenther  <rguenther@suse.de>
4310
4311         PR tree-optimization/53408
4312         * tree-vect-loop.c (vectorizable_induction): Properly check
4313         the restriction that we cannot handle induction results from
4314         the inner loop outside of the outer loop.
4315
4316 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
4317
4318         PR target/53416
4319         * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
4320         (UNSPECV_RDRAND): This.
4321         (rdrand<mode>_1): Updated.
4322
4323 2012-05-21  Richard Guenther  <rguenther@suse.de>
4324
4325         * tree-loop-distribution.c (can_generate_builtin): Reject
4326         volatile stmts.
4327
4328 2012-05-21  Chung-Lin Tang  <cltang@codesourcery.com>
4329
4330         * Makefile.in (options.c): Add options.h to included header
4331         files, before tm.h.
4332
4333 2012-05-21  Razya Ladelsky  <razya@il.ibm.com>
4334
4335         * tree-parloops.c : Add myself to contributors, update
4336         TODO list, add link to wiki.
4337
4338 2012-05-21  Alan Modra  <amodra@gmail.com>
4339
4340         * config/rs6000/predicates.md (input_operand): Don't match
4341         constant pool addresses.  Remove label_ref, high and plus from
4342         match_code list.  Remove redundant CONSTANT_P test.
4343         (splat_input_operand): Similarly update match_code list.
4344         (small_toc_ref): New predicate.
4345         * config/rs6000/rs6000-protos.h (toc_relative_expr_p): Update prototype.
4346         * config/rs6000/rs6000.c (tocrel_base, tocrel_offset): Make const.
4347         (legitimate_constant_pool_address_p): Move TARGET_TOC test and
4348         register checks to..
4349         (toc_relative_expr_p): ..here.  Add "strict" param.  Match new rtl
4350         generated by create_TOC_reference.
4351         (rs6000_legitimize_address): Update cerate_TOC_reference call.
4352         (rs6000_delegitimize_address): Handle new rtl for toc refs.
4353         (rs6000_cannot_force_const_mem, rs6000_find_base_term): Likewise.
4354         (use_toc_relative_ref): New function, split out from..
4355         (rs6000_emit_move): ..here.  Remove redundant tests.  Update
4356         create_TOC_reference calls.
4357         (rs6000_legitimize_reload_address): Formatting.  Handle splitting
4358         of medium/large model toc addresses.  Use use_toc_relative_ref.
4359         (print_operand): Formatting, style.  Adjust for toc changes.
4360         (print_operand_address): Likewise.
4361         (rs6000_output_addr_const_extra): Likewise.
4362         (create_TOC_reference): Put TOC_REGISTER in UNSPEC_TOCREL rather
4363         than a PLUS.  Use this formulation for both high and low part
4364         of -mcmodel=medium/large toc reference too.  Before reload,
4365         always use the small model formulation.
4366         * config/rs6000/rs6000.md (tls_gd, tls_gd_high): Similarly avoid
4367         a PLUS in high part of addresses here.
4368         (tls_ld, tls_ld_high, tls_got_dtprel, tls_got_dtprel_high): Likewise.
4369         (tls_got_tprel, tls_got_tprel_high, largetoc_high): Likewise.
4370         (largetoc_high, largetoc_low): Move earlier.  Cope when no
4371         base reg available.
4372         (largetoc_high_plus): New insn.
4373         (movsi_internal1, movsi_internal1_single, movsf_softfloat,
4374         movdi_mfpgpr, movdi_internal64): Don't handle 'R' constraint here..
4375         (tocref): ..instead do so here, new insn and split.
4376
4377 2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
4378
4379         * config/i386/driver-i386.c (host_detect_local_cpu): Support
4380         RDRND, F16C and FSGSBASE.
4381
4382 2012-05-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4383
4384         PR rtl-optimzation/53373
4385         * config/pa/pa.md (call_symref_pic): Don't expose PIC register save in
4386         call pattern.  Update split patterns.
4387         (call_symref_64bit, call_reg_pic, call_reg_64bit, call_val_symref_pic,
4388         call_val_symref_64bit, call_val_reg_pic, call_val_reg_64bit): Likewise.
4389
4390 2012-05-20  Razya Ladelsky  <razya@il.ibm.com>
4391
4392         * tree-parloops.c (gen_parallel_loop): Change many_iterations_cond
4393         for outer loops.
4394
4395 2012-05-18  Jan Hubicka  <jh@suse.cz>
4396
4397         * cgraphunit.c (handle_alias_pairs): Declare; free alias_pairs
4398         (cgraph_process_new_functions): Process also aliases.
4399         * lto-streamer-out.c (struct sets): Remove.
4400         (trivally_defined_alias): Remove.
4401         (output_alias_pair_p): Remove.
4402         (output_unreferenced_globals): Remove.
4403         (produce_symtab); Do not handle alias pairs.
4404         (produce_asm_for_decls): Likewise.
4405         * lto-streamer-in.c (input_alias_pairs): Remove.
4406         (lto_read_body): Do not input alias pairs.
4407         (lto_input_constructors_and_inits): Remove.
4408
4409 2012-05-18  Jan Hubicka  <jh@suse.cz>
4410
4411         * cgraphunit.c (handle_alias_pairs): Cleanup; handle all types of
4412         aliases.
4413
4414 2012-05-18  Jan Hubicka  <jh@suse.cz>
4415
4416         * cgraphbuild.c (record_reference): Update.
4417         * lto-cgraph.c (lto_output_varpool_node): External vars
4418         are not in other partition even if they are not output
4419         in current partition.
4420         * gimple-fold.c (can_refer_decl_in_current_unit_p): Take FROM_DECL
4421         argument; fix.
4422         (canonicalize_constructor_val): Take FROM_DECL argument.
4423         (fold_ctor_reference, fold_string_cst_ctor_reference,
4424         fold_array_ctor_reference, fold_nonarray_ctor_reference,
4425         fold_ctor_reference): Likewise.
4426         (fold_const_aggregate_ref_1, gimple_get_virt_method_for_binfo): Update.
4427         * gimple.h (gimple_fold_builtin): Likewise.
4428
4429 2012-05-18  Olivier Hainque  <hainque@adacore.com>
4430
4431         * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
4432         $(libsubdir) as libexecsubdir.
4433
4434 2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4435
4436         * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
4437         relied on signed overflow behavior.
4438
4439 2012-05-18  Richard Guenther  <rguenther@suse.de>
4440
4441         PR tree-optimization/53346
4442         * tree-loop-distribution.c (ldist_gen): Make sure to apply
4443         builtin transform even when only a single partition with
4444         all reads/writes exists.
4445
4446 2012-05-18  Richard Guenther  <rguenther@suse.de>
4447
4448         PR tree-optimization/53390
4449         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Ignore
4450         strided loads.
4451
4452 2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4453
4454         * tree-ssa-reassoc.c (bip_map): Remove decl.
4455         (completely_remove_stmt): Remove function.
4456         (remove_def_if_absorbed_call): Remove function.
4457         (remove_visited_stmt_chain): Remove __builtin_powi handling.
4458         (possibly_move_powi): Remove function.
4459         (rewrite_expr_tree): Remove calls to possibly_move_powi.
4460         (rewrite_expr_tree_parallel): Likewise.
4461         (attempt_builtin_powi): Build multiplies explicitly rather than
4462         relying on the ops vector and rank system.
4463         (transform_stmt_to_copy): New function.
4464         (transform_stmt_to_multiply): Likewise.
4465         (reassociate_bb): Handle leftover operations after __builtin_powi
4466         optimization; build a final multiply if necessary.
4467
4468 2012-05-18  Jan Hubicka  <jh@suse.cz>
4469
4470         * cgraphunit.c (varpool_finalize_decl): Allow external decls.
4471         (mark_functions_to_output): Fix sanity check.
4472         * ipa.c (function_and_variable_visibility): Remove TREE_STATIC check.
4473
4474 2012-05-18  Richard Guenther  <rguenther@suse.de>
4475
4476         * tree-flow.h (mark_symbols_for_renaming): Remove.
4477         * tree-dfa.c (mark_symbols_for_renaming): Likewise.
4478         * tree-inline.c (copy_edges_for_bb): Do not mark symbols for renaming.
4479         (copy_debug_stmt): Likewise.
4480         (expand_call_inline): Likewise.
4481         (declare_return_variable): Mark the return variable for renaming
4482         if necessary.
4483
4484 2012-05-18  Andrew Stubbs  <ams@codesourcery.com>
4485
4486         * config/arm/arm-protos.h (arm_emit_coreregs_64bit_shift): New
4487         prototype.
4488         * config/arm/arm.c (arm_emit_coreregs_64bit_shift): New function.
4489         * config/arm/arm.md (ashldi3): Use arm_emit_coreregs_64bit_shift.
4490         (ashrdi3,lshrdi3): Likewise.
4491         (arm_cond_branch): Remove '*' to enable gen_arm_cond_branch.
4492
4493 2012-05-18  Meador Inge  <meadori@codesourcery.com>
4494
4495         PR rtl-optimization/53352
4496         * cse.c (equiv_constant): Ignore paradoxical subregs.
4497
4498 2012-05-17  Steven Bosscher  <steven@gcc.gnu.org>
4499
4500         PR rtl-optimization/53125
4501         * regstat.c (regstat_bb_compute_ri): Take new local_live_last_luid
4502         argument.  Simplify calculation of REG_LIVE_LENGTH for regnos that
4503         die in the basic block.  Correctly top off REG_FREQ and
4504         REG_FREQ_CALLS_CROSSED.
4505         Remove do_not_gen.
4506         (regstat_compute_ri): Allocate and free local_live_last_luid.
4507         Remove do_not_gen.
4508         (regstat_bb_compute_calls_crossed): Correctly top off
4509         REG_FREQ_CALLS_CROSSED.
4510
4511 2012-05-17  Jan Hubicka  <jh@suse.cz>
4512
4513         * lto-symtab.c (lto_symtab_resolve_symbols): Preffer decl with
4514         constructor over decl without.
4515         * cgraph.c (cgraph_remove_node): Clear also body of unanalyzed nodes.
4516         * cgraph.h (varpool_can_remove_if_no_refs): Handle external correctly.
4517         * cgraphunit.c (process_function_and_variable_attributes): Finalize
4518         extrnal decls.
4519         (mark_functions_to_output): Also accept bodies for functions with
4520         clones.
4521         (output_in_order): Skip external vars.
4522         * lto-cgraph.c (lto_output_node): External functions are never in other
4523         partition.
4524         (lto_output_varpool_node): Likewise.
4525         * lto-streamer-out.c (lto_write_tree): Always use error_mark_nodes for
4526         forgotten initializers.
4527         * ipa.c (process_references): Handle external vars.
4528         (symtab_remove_unreachable_nodes): Update to handle external vars.
4529         (varpool_externally_visible_p): External vars are externally visible.
4530         * gimple-fold.c (can_refer_decl_in_current_unit_p): Update.
4531         * varpool.c (varpool_remove_node): Remove constructor.
4532         (decide_is_variable_needed): Handle externals.
4533         (varpool_remove_unreferenced_decls): Likewise.
4534
4535 2012-05-17  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4536
4537         * opts.c (common_handle_option): -pedantic-errors enables -Wpedantic.
4538         (enable_warning_as_error): Do not special case Wuninitialized.
4539         * optc-gen.awk: Add sanity checks.
4540
4541 2012-05-17  Jan Hubicka  <jh@suse.cz>
4542
4543         * ipa-reference.c (is_proper_for_analysis): Do not check flags
4544         that might change as result of global optimization.
4545         (analyze_function): Do not check analyzed and externally_visible
4546         flags; be happy about address dereferences.
4547         (propagate): Prune all_module_statics so it really contains just
4548         statics; prune all the local summaries.
4549         (ipa_reference_write_optimization_summary): Simplify.
4550
4551 2012-05-17  Kwok Cheung Yeung  <kcy@codesourcery.com>
4552
4553         * config/m68k/m68k-devices.def: Add 51ag, 51je, 51jf, 51jg, 51mm, 51qm.
4554         * config/m68k/m68k-tables.opt: Regenerated.
4555         * doc/invoke.texi (M680x0 Options): Document.
4556
4557 2012-05-16  Dave Boutcher  <daveboutcher@gmail.com>
4558             Patrick Marlier  <patrick.marlier@gmail.com>
4559
4560         * trans-mem.c (ipa_tm_transform_clone): Transform functions with
4561         indirect calls.
4562
4563 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
4564
4565         * configure: Regenerated.
4566
4567 2012-05-16  Andrew Pinski  <apinski@cavium.com>
4568
4569         * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
4570         GIMPLE_ASSIGN.
4571
4572 2012-05-16  David S. Miller  <davem@davemloft.net>
4573
4574         * jump.c (delete_related_insns): If we remove a CALL, make sure
4575         we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
4576
4577 2012-05-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4578
4579         PR tree-optimization/53217
4580         * tree-ssa-reassoc.c (bip_map): New static variable.
4581         (possibly_move_powi): Move feeding multiplies with __builtin_powi call.
4582         (attempt_builtin_powi): Save feeding multiplies on a stack.
4583         (reassociate_bb): Create and destroy bip_map.
4584
4585 2012-05-16  Olivier Hainque  <hainque@adacore.com>
4586
4587         * Makefile.in (install-no-fixedincludes): New target, former toplevel
4588         gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
4589         Add comments and improve stamp preservation across the whole sequence.
4590         (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
4591
4592 2012-05-16  Richard Guenther  <rguenther@suse.de>
4593
4594         * tree-inline.c (insert_init_stmt): Do not call
4595         mark_symbols_for_renaming.
4596         (setup_one_parameter): Avoid initializing unused parameters.
4597         (declare_return_variable): Properly handle DECL_BY_REFERENCE
4598         return vars in SSA form.
4599
4600 2012-05-16  Richard Guenther  <rguenther@suse.de>
4601
4602         * tree-flow.h (get_virtual_var): Remove.
4603         * tree-dfa.c (get_virtual_var): Likewise.
4604
4605 2012-05-16  Richard Guenther  <rguenther@suse.de>
4606
4607         * tree-vect-loop-manip.c (slpeel_update_phi_nodes_for_guard1):
4608         Remove set-only bitmap of new names.
4609         (slpeel_tree_peel_loop_to_edge): Likewise.  Do not set
4610         CFG hooks.
4611         * tree-flow.h (ssa_names_to_replace): Remove.
4612         * tree-into-ssa.c (ssa_names_to_replace): Likewise.
4613
4614 2012-05-16  Richard Guenther  <rguenther@suse.de>
4615
4616         PR tree-optimization/53364
4617         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
4618         detect a view-conversion of the decl.
4619
4620 2012-05-16  Dodji Seketeli  <dodji@redhat.com>
4621
4622         PR preprocessor/7263
4623         * c-tree.h (enum c_declspec_word): Declare new enum.
4624         (struct c_declspecs::locations): New member.
4625         (declspecs_add_qual, declspecs_add_scspec)
4626         (declspecs_add_addrspace, declspecs_add_alignas): Take a new
4627         location parameter.
4628         * c-decl.c (build_null_declspecs): Initialize the new struct
4629         c_declspecs::locations member.
4630         (declspecs_add_addrspace): Take a location parameter for the
4631         address space.  Store it onto declaration specifiers.
4632         (declspecs_add_qual): Likewise, take a location parameter for the
4633         qualifier.
4634         (declspecs_add_type): Likewise, take a location parameter for the
4635         type specifier.
4636         (declspecs_add_scspec): Likewise, take a location parameter for
4637         the storage class specifier.
4638         (declspecs_add_attrs): Likewise, take a location parameter for the
4639         first attribute.
4640         (declspecs_add_alignas): Likewise, take a location parameter for
4641         the alignas token.
4642         (finish_declspecs): For diagnostics, use the location of the
4643         relevant declspec, instead of the global input_location.
4644         * c-parser.c (c_parser_parameter_declaration): Pass the precise
4645         virtual location of the declspec to the declspecs-setters.
4646         (c_parser_declspecs): Likewise.  Avoid calling c_parser_peek_token
4647         repeatedly.
4648
4649 2012-05-16  Igor Zamyatin  <igor.zamyatin@intel.com>
4650
4651         * configure.ac: Stack protector enabling for Android targets.
4652         * configure: Regenerate.
4653
4654 2012-05-16  Richard Sandiford  <r.sandiford@uk.ibm.com>
4655
4656         * ira.c (pseudo_move_insn): Delete.
4657         (find_moveable_pseudos): Don't set it.
4658         (move_unallocated_pseudos): Use DF_REG_DEF_CHAIN to find
4659         the definitions of the original pseudo.  Delete all of them.
4660
4661 2012-05-16  Olivier Hainque  <hainque@adacore.com>
4662
4663         * config/rs6000/rs6000-opts.h (enum processor_type): Add
4664         PROCESSOR_PPC8548.
4665         * config/rs6000/rs6000-cpus.def: Reference it for cpu="8548".
4666         * config/rs6000/rs6000.md (cpu attribute definition): Add ppc8548.
4667         * config/rs6000/8540.md: indicate that the units/patterns apply to
4668         ppc8548 as well.
4669
4670         * config/rs6000/rs6000.c (rs6000_option_override_internal): Rename
4671         default_cpu into implicit_cpu, conveying what --with-cpu was passed at
4672         configure time. Treat implicit_cpu as have_CPU. Pick defaults for SPE
4673         related flags,  check that what is queried is supported by the selected
4674         configuration. Rework the single/double_float and MASK_STRING resets to
4675         hit for all the E500 cores (854x + E500MC variants). Select the ppc8540
4676         costs for PROCESSOR_PPC8548 as well.
4677         (rs6000_issue_rate): case CPU_PPC8548 together with CPU_PPC8540.
4678         (rs6000_use_sched_lookahead): Likewise, rewriting function as a case
4679         statement instead of a sequence of ifs.
4680
4681         * config/rs6000/rs6000.h (TARGET_E500): Remove.
4682         (TARGET_NO_LWSYNC): Adjust accordingly.
4683         * config/rs6000/e500.h (TARGET_E500): Remove.
4684         (CHECK_E500_OPTIONS): Adjust accordingly.
4685         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove.
4686         (TARGET_DEFAULT): Reformat definition to match the one in linuxspe.h.
4687         * config/rs6000/linuxspe.h: Likewise.
4688         * config/rs6000/vxworks.h: Remove bogus TARGET_E500 overrides and
4689         superfluous comments.
4690         * config/rs6000/e500-double.h: Remove.
4691
4692         * config.gcc (pick a default with_cpu): For powerpc*-*-*spe*,
4693         default to with_cpu=8548 if --enable-e500-double, and to 8540
4694         otherwise.
4695         (set misc flags section): For powerpc*|rs6000*, remove inclusion
4696         of e500-double.h for --enable-e500-double.
4697
4698 2012-05-16  Olivier Hainque  <hainque@adacore.com>
4699
4700         * Makefile.in (s-header-vars): Resort to -n instead of trailing
4701         -e d in sed invocation.
4702
4703 2012-05-16  Hans-Peter Nilsson  <hp@axis.com>
4704
4705         * doc/tm.texi.in (Type Layout) <SIZE_TYPE>: Update reference to
4706         source-code.
4707         * doc/tm.texi: Regenerate.
4708
4709 2012-05-15  Paolo Carlini  <paolo.carlini@oracle.com>
4710
4711         * tree.h (EXPR_LOCATION): Use CAN_HAVE_LOCATION_P.
4712
4713 2012-05-15  Jakub Jelinek  <jakub@redhat.com>
4714
4715         PR target/53358
4716         * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
4717         that operands[2] is either immediate, or q_regs_operand.
4718
4719 2012-05-15  Richard Guenther  <rguenther@suse.de>
4720
4721         * cgraphunit.c (thunk_adjust): Use make_rename_temp.
4722         (assemble_thunk): Likewise.  Manually rename and register
4723         function arguments.
4724
4725 2012-05-15  Richard Guenther  <rguenther@suse.de>
4726
4727         PR tree-optimization/53355
4728         * tree-vrp.c (extract_range_from_binary_expr_1): Handle LSHIFT_EXPRs
4729         by constants.
4730
4731 2012-05-15  Tristan Gingold  <gingold@adacore.com>
4732
4733         * tree-ssa-strlen.c (get_string_length): Convert lhs if needed.
4734
4735 2012-05-15  Richard Guenther  <rguenther@suse.de>
4736
4737         * gimple.c (gimple_set_modified): Move ...
4738         * gimple.h (gimple_set_modified): ... here.
4739
4740 2012-05-15  Tristan Gingold  <gingold@adacore.com>
4741
4742         * ira-color.c (move_spill_restore): Add a guard.
4743
4744 2012-05-15  Tristan Gingold  <gingold@adacore.com>
4745
4746         * config/ia64/ia64.c (ia64_emit_probe_stack_range): Adjust calls to
4747         plus_constant.
4748
4749 2012-05-15  Eric Botcazou  <ebotcazou@adacore.com>
4750
4751         * gimplify.c (gimplify_init_constructor): Do a block move for very
4752         small objects as well.
4753
4754 2012-05-15  Bernd Schmidt  <bernds@codesourcery.com>
4755
4756         * ira.c (find_moveable_pseudos): Skip registers whose
4757         DF_REG_EQ_USE_COUNT is nonzero.
4758
4759 2012-05-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
4760
4761         * doc/md.texi (fma): Define to only be applicable for single rounding.
4762
4763 2012-05-14  Uros Bizjak  <ubizjak@gmail.com>
4764
4765         PR target/46098
4766         * config/i386/i386.c (ix86_expand_special_args_builtin): Always
4767         generate target register for "load" class builtins.
4768
4769         Revert:
4770         2010-10-22  Uros Bizjak  <ubizjak@gmail.com>
4771
4772         PR target/46098
4773         * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
4774         Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
4775         (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
4776         (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
4777         (<sse>_movu<ssemodesuffix>): New expander.
4778         (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
4779         (avx_movdqu<avxmodesuffix>): New expander.
4780         (*sse2_movdqu): Rename from sse2_movdqu.
4781         (sse2_movdqu): New expander.
4782
4783 2012-05-14  Marc Glisse  <marc.glisse@inria.fr>
4784
4785         PR target/52607
4786         * config/i386/i386.c (ix86_expand_vec_perm_const): Move code to ...
4787         (canonicalize_perm): ... new function.
4788         (expand_vec_perm_2vperm2f128_vshuf): New function.
4789         (ix86_expand_vec_perm_const_1): Call it.
4790
4791 2012-05-14  Andrew Pinski  <apinski@cavium.com>
4792             H.J. Lu  <hongjiu.lu@intel.com>
4793             Jakub Jelinek  <jakub@redhat.com>
4794
4795         PR target/53315
4796         * config/i386/i386.md (xbegin_1): Use + in constraint and match_dup.
4797         (xbegin): Updated.
4798
4799 2012-05-14  Jakub Jelinek  <jakub@redhat.com>
4800
4801         * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
4802         lineno 1 the same as lineno 0 before first start file directive.
4803         (optimize_macinfo_range): Likewise.
4804
4805         * dwarf2out.c (have_macinfo): Define.
4806         (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
4807         attribute, don't force empty compilation unit and don't emit any
4808         .debug_macinfo/.debug_macro section if macinfo_table is empty.
4809
4810 2012-05-14  Georg-Johann Lay  <avr@gjlay.de>
4811
4812         PR target/53344
4813         * config/avr/avr.c (avr_const_address_lo16): Remove.
4814         (avr_assemble_integer):  Print ".byte lo8(x)",
4815         ".byte hi8(x)", ".byte hh8(x)" instead of emit an assembler
4816         .warning if 3-byte address is assembled.
4817         * doc/extend.texi (AVR Named Address Spaces): Document that
4818         binutils 2.23 is needed to assemble 3-byte addresses.
4819
4820 2012-05-14  Richard Guenther  <rguenther@suse.de>
4821
4822         * tree-vect-data-refs.c (vect_setup_realignment): Remove
4823         call to mark_symbols_for_renaming.
4824         (vect_permute_load_chain): Likewise.
4825         * tree-vect-loop.c (vect_is_slp_reduction): Update stmt
4826         instead of calling mark_symbols_for_renaming.
4827         * tree-vect-stmts.c (read_vector_array): Remove call to
4828         mark_symbols_for_renaming.
4829         (write_vector_array): Likewise.
4830         (vectorizable_call): Likewise.
4831         (vectorizable_store): Likewise.
4832         (vectorizable_load): Likewise.
4833         * matrix-reorg.c (transform_allocation_sites): Likewise.
4834         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
4835         (create_expression_by_pieces): Likewise.
4836
4837 2012-05-14  Richard Guenther  <rguenther@suse.de>
4838
4839         * gimplify.c (gimple_regimplify_operands): Only mark the LHS
4840         of statements for renaming.
4841         (force_gimple_operand_1): Likewise, consistently for both
4842         calls to force_gimple_operand and force_gimple_operand_gsi.
4843
4844 2012-05-14  Richard Guenther  <rguenther@suse.de>
4845
4846         * tree-dfa.c (make_rename_temp): Be forgiving if not in SSA form.
4847         * omp-low.c (expand_omp_taskreg): Properly conditionalize call
4848         to update_ssa.
4849         (expand_omp_for): Likewise.
4850         (expand_omp_for_generic): Adjust conditional add to referenced vars.
4851         Use make_rename_temp for temporaries that should be rewritten into
4852         SSA form.
4853         (expand_omp_for_static_nochunk): Likewise.
4854         (expand_omp_atomic_pipeline): Likewise.
4855
4856 2012-05-14  Richard Guenther  <rguenther@suse.de>
4857
4858         PR tree-optimization/53331
4859         * tree-vect-data-refs.c (vect_verify_datarefs_alignment): Ignore
4860         strided loads.
4861         * tree-vect-stmts.c (vect_model_load_cost): Handle strided loads.
4862
4863 2012-05-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4864
4865         PR 53063
4866         * doc/options.texi: (LangEnabledBy): Document it.
4867         * optc-gen.awk: Handle LangEnabledBy.
4868         * opth-gen.awk: Generate declaration for lang-specific functions.
4869         * opt-read.awk: Record lang numbers.
4870         * opt-functions.awk (flag_set_p): Ignore the arguments of flags.
4871         (lang_sanitized_name): New.
4872
4873 2012-05-14  Bernd Schmidt  <bernds@codesourcery.com>
4874
4875         * attribs.c (decl_attributes): Avoid emitting a warning if
4876         ATTR_FLAG_BUILT_IN.
4877         * doc/rtl.texi (CALL_INSN_FUNCTION_USAGE): Use lowercase for rtx
4878         codes.  Document meaning of sets inside CALL_INSN_FUNCTION_USAGE.
4879         * builtin-attrs.def (DEF_ATTR_FOR_STRING): Define.  Use it to
4880         define a string "1".
4881         (ATTR_RET1_NOTHROW_NONNULL_LEAF): New attr definition.
4882         * builtins.def (BUILT_IN_MEMCPY, BUILT_IN_MEMMOVE, BUILT_IN_MEMSET,
4883         BUILT_IN_STRCPY): Use it for these functions.
4884         * postreload.c (reload_combine): Deal with SETs inside
4885         CALL_INSN_FUNCTION_USAGE.
4886         * caller-save.c (setup_save_areas, save_call_clobbered_regs):
4887         Look for REG_RETURNED notes and use a cheap restore if possible.
4888         * ira-int.h (struct ira_allocno): New member cheap_calls_crossed_num.
4889         (ALLOCNO_CHEAP_CALLS_CROSSED_NUM): New macro.
4890         * ira-build.c (ira_create_allocno, create_cap_allocno,
4891         propagate_allocno_info, propagate_some_info_from_allocno,
4892         copy_info_to_removed_store_destination, ira_flattening): Handle it.
4893         * ira-lives.c (pseudo_regno_single_word_and_live_p,
4894         find_call_crossed_cheap_reg): New static functions.
4895         (process_bb_node_lives): Look for SETs in CALL_INSN_FUNCTION_USAGE,
4896         and set ALLOCNO_CHEAP_CALLS_CROSSED_NUM if possible.  Also make
4897         a REG_RETURNED note in that case.
4898         * ira.c (setup_reg_renumber): Change assert to allow cases where
4899         allocnos only cross calls for which they are cheap to restore.
4900         * ira-costs.c (ira_tune_allocno_costs): Compare
4901         ALLOCNO_CALLS_CROSSED_NUM to ALLOCNO_CHEAP_CALLS_CROSSED_NUM rather
4902         than 0.
4903         * reg-notes.def (REG_RETURNED): New note.
4904         * cse.c (cse_insn): Likewise.
4905         * sched-deps.c (sched_analyze_insn): Likewise.
4906         * expr.c (init_block_move_fn): Set a "fn spec" attribute.
4907         * calls.c (decl_return_flags): New static function.
4908         (expand_call): Generate a SET in CALL_INSN_FUNCTION_USAGE for
4909         functions that return one of their arguments.
4910         * regcprop.c (struct kill_set_value_data): New.
4911         (kill_set_value): Interpret data as a pointer to such a struct.
4912         Do nothing if the caller wants the register to be ignored.
4913         (copyprop_hardreg_forward_1): Handle SETs in CALL_INSN_FUNCTION_USAGE.
4914
4915 2012-05-14  Richard Guenther  <rguenther@suse.de>
4916
4917         PR tree-optimization/53340
4918         * tree-ssa-pre.c (op_valid_in_sets): Fix error in last commit.
4919
4920 2012-05-14  Richard Guenther  <rguenther@suse.de>
4921
4922         * gimplify.c (gimplify_expr): Remove odd code.
4923
4924 2012-05-14  Eric Botcazou  <ebotcazou@adacore.com>
4925
4926         * stor-layout.c (bit_from_pos): Distribute conversion to bitsizetype
4927         into a PLUS_EXPR byte offset.
4928
4929         * tree-ssa-pre.c (can_value_number_call): Delete.
4930         (compute_avail): Skip all statements with side effects.
4931         <GIMPLE_CALL>: Skip calls to internal functions.
4932
4933 2012-05-13  Steven Bosscher  <steven@gcc.gnu.org>
4934
4935         * config/pa/pa.md: Use define_c_enum for "unspec" and "unspecv".
4936
4937 2012-05-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4938
4939         * common.opt (Wtype-limits): Use EnabledBy.
4940
4941 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
4942
4943         * config/i386/i386.md (*pushtf): Enable for TARGET_SSE.
4944         (pushtf splitter): Ditto.
4945         (movtf): Ditto.
4946         (*movtf_internal): Ditto. Use V4SFmode for !TARGET_SSE2.
4947         (<code>tf2): Enable for TARGET_SSE.
4948         (*absnegtf2_sse): Ditto.
4949         (copysign<mode>3): Enable TFmode for TARGET_SSE.
4950         (copysign<mode>3_const): Ditto.
4951         (copysign<mode>3_var): Ditto.
4952         * config/i386/sse.md (<code>tf3): Enable for TARGET_SSE.
4953         (*andnottf3): Ditto.  Use V4SFmode for !TARGET_SSE2.
4954         (*<code>tf3): Ditto.
4955         * config/i386/i386.c (struct builtin_description bdesc_args)
4956         <IX86_BUILTIN_FABSQ>: Enable for TARGET_SSE.
4957         <IX86_BUILTIN_COPYSIGNQ>: Ditto.
4958         (ix86_expand_builtin) <IX86_BUILTIN_FABSQ, IX86_BUILTIN_COPYSIGNQ>:
4959         Emit a normal call if SSE isn't available.
4960
4961 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
4962
4963         * config/i386/sse.md (<sse>_andnot<mode>3): Handle
4964         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL.
4965         (<code><mode>3): Ditto.
4966         (*andnot<mode>3): Ditto.
4967         (*andnottf3): Ditto.
4968         (*<code><mode>3): Ditto.
4969         (<code>tf3): Ditto.
4970
4971 2012-05-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4972
4973         * optc-gen.awk: Error instead of warning for conflicting help.
4974
4975 2012-05-12  Jason Merrill  <jason@redhat.com>
4976
4977         PR debug/53235
4978         * dwarf2out.c (build_local_stub): Prefer DW_AT_signature for
4979         comdat types.
4980
4981 2012-05-12  Eric Botcazou  <ebotcazou@adacore.com>
4982
4983         * function.c (requires_stack_frame_p): If the function can throw
4984         non-call exceptions, return true if the insn can throw internally.
4985
4986 2012-05-12  Paolo Carlini  <paolo.carlini@oracle.com>
4987
4988         * doc/generic.texi: Rename TYPE_PTRMEM_P to TYPE_PTRDATAMEM_P.
4989
4990 2012-05-12  Uros Bizjak  <ubizjak@gmail.com>
4991
4992         * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
4993         ORDERED and UNORDERED conditions.
4994
4995 2012-05-11  Richard Guenther  <rguenther@suse.de>
4996
4997         * tree-flow.h (referenced_var_check_and_insert): Remove.
4998         (find_new_referenced_vars): Likewise.
4999         * tree-dfa.c (referenced_var_check_and_insert): Make static.
5000         (find_new_referenced_vars_1, find_new_referenced_vars): Remove.
5001         * tree-inline.c (copy_bb): Use find_referenced_vars_in
5002         instead of find_new_referenced_vars.
5003         * gimple-fold.c (gimplify_and_update_call_from_tree): Likewise.
5004
5005 2012-05-11  Richard Guenther  <rguenther@suse.de>
5006
5007         * tree-pass.h (pass_rest_of_compilation,
5008         pass_all_optimizations, pass_postreload, pass_all_early_optimizations):
5009         Remove.
5010         * passes.c (pass_all_optimizations, pass_postreload,
5011         pass_all_early_optimizations): Make static.
5012         (pass_rest_of_compilation): Likewise.  Make it an RTL_PASS.
5013         * tree-phinodes.c (init_phinodes, fini_phinodes): Remove.
5014         * tree-ssa.c (init_tree_ssa): Do not call init_phinodes.
5015         (delete_tree_ssa): Do not call fini_phinodes.
5016         * tree-flow.h (init_phinodes, fini_phinodes): Remove.
5017
5018 2012-05-11  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5019
5020         PR 53063
5021         * doc/options.texi (EnabledBy): Document
5022         * opts.c: Include opts.h and options.h before tm.h.
5023         (finish_options): Do not handle some sub-options here...
5024         (common_handle_option): ... instead call common_handle_option_auto
5025         here.
5026         * optc-gen.awk: Handle EnabledBy.
5027         * opth-gen.awk: Declare common_handle_option_auto.
5028         * common.opt (Wuninitialized): Use EnabledBy. Delete Init.
5029         (Wmaybe-uninitialized): Likewise.
5030         (Wunused-but-set-variable): Likewise.
5031         (Wunused-function): Likewise.
5032         (Wunused-label): Likewise.
5033         (Wunused-value): Likewise.
5034         (Wunused-variable): Likewise.
5035         * opt-read.awk: Create opt_numbers array.
5036
5037 2012-05-11  Richard Guenther  <rguenther@suse.de>
5038
5039         PR tree-optimization/53295
5040         * tree-data-ref.h (stride_of_unit_type_p): Handle non-constant
5041         strides.
5042         * tree-data-ref.c (dr_analyze_innermost): Allow non-constant
5043         strides when analyzing data-references in a loop context.
5044         * tree-vect-data-refs.c (vect_mark_for_runtime_alias_test): Reject
5045         non-constant strides for now.
5046         (vect_enhance_data_refs_alignment): Ignore data references
5047         that are strided loads.
5048         (vect_analyze_data_ref_access): Handle non-constant strides.
5049         (vect_check_strided_load): Verify the data-reference is a load.
5050         (vect_analyze_data_refs): Restructure to make strided load
5051         support not dependent on gather support.
5052         * tree-vect-stmts.c (vectorizable_load): Avoid useless work
5053         when doing strided or gather loads.
5054         * tree-vect-loop-manip.c (vect_vfa_segment_size): Use
5055         integer_zerop to compare stride with zero.
5056
5057 2012-05-11  H.J. Lu  <hongjiu.lu@intel.com>
5058
5059         * config/i386/driver-i386.c (host_detect_local_cpu): Support RTM.
5060
5061 2012-05-11  Jan Hubicka  <jh@suse.cz>
5062
5063         PR bootstrap/53300
5064         * varpool.c (varpool_assemble_decl): Also output constat pool entries
5065         that output_constant_pool missed.
5066
5067 2012-05-11  Mingjie Xing  <mingjie.xing@gmail.com>
5068
5069         * config/mips/t-vxworks: Change MUTLILIB_EXTRA_OPTS to
5070         MULTILIB_EXTRA_OPTS.
5071
5072 2012-05-11  Uros Bizjak  <ubizjak@gmail.com>
5073
5074         PR target/53291
5075         * config/i386/i386.md (xtest): Use NE condition in ix86_expand_setcc.
5076
5077 2012-05-11  Uros Bizjak  <ubizjak@gmail.com>
5078
5079         * config/i386/i386.md (*movti_internal_rex64): Avoid MOVAPS size
5080         optimization for TARGET_AVX.
5081         (*movti_internal_sse): Ditto.
5082         (*movdi_internal_rex64): Handle TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL.
5083         (*movdi_internal): Ditto.
5084         (*movsi_internal): Ditto.
5085         (*movtf_internal): Avoid MOVAPS size optimization for TARGET_AVX.
5086         (*movdf_internal_rex64): Ditto.
5087         (*movfd_internal): Ditto.
5088         (*movsf_internal): Ditto.
5089         * config/i386/sse.md (mov<mode>): Handle TARGET_SSE_LOAD0_BY_PXOR.
5090
5091 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
5092
5093         * dwarf2out.c (add_byte_size_attribute) <RECORD_TYPE>: Handle variable
5094         reference as size attribute.
5095
5096 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
5097             Tristan Gingold  <gingold@adacore.com>
5098
5099         * doc/md.texi (Standard Names): Document probe_stack_address.
5100         * explow.c (emit_stack_probe): Handle probe_stack_address.
5101         * config/ia64/ia64.md (UNSPECV_PROBE_STACK_ADDRESS): New constant.
5102         (UNSPECV_PROBE_STACK_RANGE): Likewise.
5103         (probe_stack_address): New insn.
5104         (probe_stack_range): Likewise.
5105         * config/ia64/ia64.c: Include common/common-target.h.
5106         (ia64_compute_frame_size): Mark r2 and r3 as used if static stack
5107         checking is enabled.
5108         (ia64_emit_probe_stack_range): New function.
5109         (output_probe_stack_range): Likewise.
5110         (ia64_expand_prologue): Invoke ia64_emit_probe_stack_range if static
5111         builtin stack checking is enabled.
5112         (rtx_needs_barrier) <UNSPEC_VOLATILE>: Handle UNSPECV_PROBE_STACK_RANGE
5113         and UNSPECV_PROBE_STACK_ADDRESS.
5114         (unknown_for_bundling_p): New predicate.
5115         (group_barrier_needed): Use important_for_bundling_p.
5116         (ia64_dfa_new_cycle): Use unknown_for_bundling_p.
5117         (issue_nops_and_insn): Likewise.
5118         (bundling): Likewise.
5119         (final_emit_insn_group_barriers): Likewise.
5120         * config/ia64/ia64-protos.h (output_probe_stack_range): Declare.
5121         * config/ia64/hpux.h (STACK_CHECK_STATIC_BUILTIN): Define.
5122         (STACK_CHECK_PROTECT): Likewise.
5123         * config/ia64/linux.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
5124
5125 2012-05-10  Jan Hubicka  <jh@suse.cz>
5126
5127         * ipa-inline.c (update_all_callee_keys): Remove.
5128         (inline_small_functions): Simplify priority updating.
5129
5130 2012-05-10  Jan Hubicka  <jh@suse.cz>
5131
5132         * ipa.c (symtab_remove_unreachable_nodes): Fix marking of clones.
5133
5134 2012-05-10  Jan Hubicka  <jh@suse.cz>
5135
5136         * cgraph.h (cgraph_remove_unreachable_nodes): Rename to ...
5137         (symtab_remove_unreachable_nodes): ... this one.
5138         * ipa-cp.c (ipcp_driver): Do not remove unreachable nodes.
5139         * cgraphunit.c (ipa_passes): Update.
5140         * cgraphclones.c (cgraph_materialize_all_clones): Update.
5141         * cgraph.c (cgraph_release_function_body): Only turn initial
5142         into error mark when initial was previously set.
5143         * ipa-inline.c (ipa_inline): Update.
5144         * ipa.c: Include ipa-inline.h
5145         (enqueue_cgraph_node, enqueue_varpool_node): Remove.
5146         (enqueue_node): New function.
5147         (process_references): Update.
5148         (symtab_remove_unreachable_nodes): Cleanup.
5149         * passes.c (execute_todo, execute_one_pass): Update.
5150
5151 2012-05-10  Vladimir Makarov  <vmakarov@redhat.com>
5152
5153         PR rtl-optimization/53125
5154         * ira.c (ira): Call find_moveable_pseudos and
5155         move_unallocated_pseudos if only ira_conflicts_p is true.
5156
5157 2012-05-10  Uros Bizjak  <ubizjak@gmail.com>
5158
5159         * config/i386/i386.md (*movoi_internal_avx): Handle
5160         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL and TARGET_SSE_TYPELESS_STORES.
5161         (*movti_internal_rex64): Handle TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL.
5162         (*movti_internal_sse): Ditto.
5163         (*movtf_internal): Ditto.
5164         * config/i386/sse.md (ssePSmode): New mode attribute.
5165         (*move<mode>_internal): Use ssePSmode.
5166         (*<sse>_movu<ssemodesuffix><avxsizesuffix>): Ditto.
5167         (*<sse2>_movdqu<avxsizesuffix>): Ditto.
5168         * config/i386/i386.c (standard_sse_constant_opcode): Do not handle
5169         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL here.
5170
5171 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
5172
5173         * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
5174         DECL_ORIGINAL_TYPE if it is present.
5175
5176 2012-05-10  Nick Clifton  <nickc@redhat.com>
5177
5178         PR target/53120
5179         * config/m32c/bitops.md (bset_qi): Change operand 2 from having
5180         a "0" constraint to being a (match_dup 0).
5181
5182 2012-05-10  Richard Guenther  <rguenther@suse.de>
5183
5184         * stor-layout.c (byte_from_pos): Amend comment.
5185
5186 2012-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5187
5188         * doc/extend.texi (X86 Built-in Functions, __builtin_cpu_init):
5189         Document requirement to call in constructors.
5190
5191         * config/i386/i386.c: Update comments for i386-cpuinfo.c name change.
5192
5193 2012-05-10  Richard Guenther  <rguenther@suse.de>
5194
5195         * tree.h (TYPE_IS_SIZETYPE): Remove.
5196         * fold-const.c (int_const_binop_1): Remove TYPE_IS_SIZETYPE use.
5197         (extract_muldiv_1): Likewise.
5198         * gimple.c (gtc_visit): Likewise.
5199         (gimple_types_compatible_p): Likewise.
5200         (iterative_hash_canonical_type): Likewise.
5201         (gimple_canonical_types_compatible_p): Likewise.
5202         * gimplify.c (gimplify_one_sizepos): Likewise.
5203         * print-tree.c (print_node): Likewise.
5204         * stor-layout.c (initialize_sizetypes): Do not set TYPE_IS_SIZETYPE.
5205
5206 2012-05-09  Uros Bizjak  <ubizjak@gmail.com>
5207
5208         PR target/52908
5209         * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
5210         xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
5211         (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
5212         instead of xop_mulv2div2di3_low.
5213         (xop_p<macs>dql): Fix vec_select selector.
5214         (xop_p<macs>dqh): Ditto.
5215         (xop_mulv2div2di3_low): Remove insn_and_split pattern.
5216         (xop_mulv2div2di3_high): Ditto.
5217
5218 2012-05-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5219
5220         PR c++/53289
5221         * diagnostic.h (diagnostic_context): Add last_location.
5222         * diagnostic.c (diagnostic_initialize): Initialize it.
5223         (diagnostic_show_locus): Use it.
5224
5225 2012-05-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5226
5227         * doc/extend.texi (Function Attributes): Point xref to section
5228         about Pragmas.
5229
5230 2012-05-09  Uros Bizjak  <ubizjak@gmail.com>
5231
5232         * config/i386/i386.c (*movdf_internal_rex64): Remove
5233         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL handling from asm output code.
5234         Calculate "mode" attribute according to
5235         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL flag.
5236         (*movdf_internal): Ditto.
5237
5238 2012-05-09  Uros Bizjak  <ubizjak@gmail.com>
5239
5240         PR target/44141
5241         * config/i386/i386.c (ix86_expand_vector_move_misalign): Do not handle
5242         128 bit vectors specially for TARGET_AVX.  Emit sse2_movupd and
5243         sse_movupd RTXes for TARGET_AVX, TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL
5244         or when optimizing for size.
5245         * config/i386/sse.md (*mov<mode>_internal): Remove
5246         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL handling from asm output code.
5247         Calculate "mode" attribute according to optimize_function_for_size_p
5248         and TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL flag.
5249         (*<sse>_movu<ssemodesuffix><avxsizesuffix>): Choose asm template
5250         depending on the mode of the instruction.  Calculate "mode" attribute
5251         according to optimize_function_for_size_p, TARGET_SSE_TYPELESS_STORES
5252         and TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL flags.
5253         (*<sse2>_movdqu<avxsizesuffix>): Ditto.
5254
5255 2012-05-09  Georg-Johann Lay  <avr@gjlay.de>
5256
5257         PR target/53256
5258         * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
5259         * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
5260         * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
5261         * config/avr/avr.c (avr_asm_declare_function_name): Remove.
5262         (expand_prologue): Move initialization of cfun->machine->is_naked,
5263         is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
5264         (avr_set_current_function): ...this new static function.
5265         (TARGET_SET_CURRENT_FUNCTION): New define.
5266         (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
5267         checking attributes of current_function_decl.
5268         (avr_regs_to_save): Ditto.
5269         (signal_function_p): Rename to avr_signal_function_p.
5270         (interrupt_function_p): Rename to avr_interrupt_function_p.
5271
5272         * doc/extend.texi (Function Attributes): Better explanation of
5273         'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
5274         alphabetical order.
5275
5276 2012-05-09  Michael Matz  <matz@suse.de>
5277
5278         PR tree-optimization/53185
5279         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Disable
5280         peeling when we see strided loads.
5281
5282 2012-05-09  Matthias Klose  <doko@ubuntu.com>
5283
5284         * gcc-ar.c (main): Don't check for execute bits for the plugin.
5285
5286 2012-05-09  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
5287
5288         * tree-ssa-loop-ivopts.c (add_autoinc_candidates, get_address_cost):
5289         Replace use of HAVE_{POST/PRE}_{INCREMENT/DECREMENT} with
5290         USE_{LOAD/STORE}_{PRE/POST}_{INCREMENT/DECREMENT} appropriately.
5291         * config/arm/arm.h (ARM_AUTOINC_VALID_FOR_MODE_P): New.
5292         (USE_LOAD_POST_INCREMENT): Define.
5293         (USE_LOAD_PRE_INCREMENT): Define.
5294         (USE_LOAD_POST_DECREMENT): Define.
5295         (USE_LOAD_PRE_DECREMENT): Define.
5296         (USE_STORE_PRE_DECREMENT): Define.
5297         (USE_STORE_PRE_INCREMENT): Define.
5298         (USE_STORE_POST_DECREMENT): Define.
5299         (USE_STORE_POST_INCREMENT): Define.
5300         (arm_auto_incmodes): Add enumeration.
5301         * config/arm/arm-protos.h (arm_autoinc_modes_ok_p): Declare.
5302         * config/arm/arm.c (arm_autoinc_modes_ok_p): Define.
5303
5304 2012-05-09  Jakub Jelinek  <jakub@redhat.com>
5305
5306         PR tree-optimization/53226
5307         * tree-ssa-forwprop.c (ssa_forward_propagate_and_combine): Remove
5308         prev and prev_initialized vars, gimple_set_plf (stmt, GF_PLF_1, false)
5309         before processing it and gimple_set_plf (stmt, GF_PLF_1, true) if it
5310         doesn't need to be revisited, look for earliest stmt with
5311         !gimple_plf (stmt, GF_PLF_1) if something changed.
5312
5313 2012-05-09  Terry Guo  <terry.guo@arm.com>
5314
5315         * genmultilib: Update copyright dates.
5316         * doc/fragments.texi: Ditto.
5317
5318 2012-05-09  Terry Guo  <terry.guo@arm.com>
5319
5320         * Makefile.in (s-mlib): Add new argument MULTILIB_REQUIRED.
5321         * genmultilib (MULTILIB_REQUIRED): New.
5322         * doc/fragments.texi: Document the MULTILIB_REQUIRED.
5323
5324 2012-05-09  Richard Guenther  <rguenther@suse.de>
5325
5326         * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
5327         (vect_do_peeling_for_loop_bound): Likewise.
5328         (vect_do_peeling_for_alignment): Likewise.
5329         * tree-vect-loop-manip.c (conservative_cost_threshold): Remove.
5330         (vect_do_peeling_for_loop_bound): Get check_profitability and
5331         threshold as parameters.
5332         (vect_do_peeling_for_alignment): Likewise.
5333         (vect_loop_versioning): Likewise.
5334         * tree-vect-loop.c (vect_transform_loop): Compute check_profitability
5335         and threshold here.  Control where to put the check here.
5336
5337 2012-05-09  Richard Sandiford  <rdsandiford@googlemail.com>
5338
5339         PR middle-end/53249
5340         * dwarf2out.h (get_address_mode): Move declaration to...
5341         * rtl.h: ...here.
5342         * dwarf2out.c (get_address_mode): Move definition to...
5343         * rtlanal.c: ...here.
5344         * var-tracking.c (get_address_mode): Delete.
5345         * combine.c (find_split_point): Use get_address_mode instead of
5346         targetm.addr_space.address_mode.
5347         * cselib.c (cselib_record_sets): Likewise.
5348         * dse.c (canon_address, record_store): Likewise.
5349         * emit-rtl.c (adjust_address_1, offset_address): Likewise.
5350         * expr.c (move_by_pieces, emit_block_move_via_loop, store_by_pieces)
5351         (store_by_pieces_1, expand_assignment, store_expr, store_constructor)
5352         (expand_expr_real_1): Likewise.
5353         * ifcvt.c (noce_try_cmove_arith): Likewise.
5354         * optabs.c (maybe_legitimize_operand_same_code): Likewise.
5355         * reload.c (find_reloads): Likewise.
5356         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
5357         * sel-sched-dump.c (debug_mem_addr_value): Likewise.
5358
5359 2012-05-09  Maciej W. Rozycki  <macro@codesourcery.com>
5360
5361         * config/mips/mips.c (mips16_gp_pseudo_reg): Remove line
5362         information from the instruction produced.
5363
5364 2012-05-09  Richard Guenther  <rguenther@suse.de>
5365
5366         * stor-layout.c (bit_from_pos): Document.
5367         (byte_from_pos): Likewise.  Optimize.
5368         (pos_from_bit): Likewise.
5369         (normalize_offset): Use pos_from_bit instead of replicating it.
5370
5371 2012-05-09  Alan Modra  <amodra@gmail.com>
5372
5373         PR target/53271
5374         * config/rs6000/rs6000.c (gen_frame_set): New function.
5375         (gen_frame_load, gen_frame_store): New functions.
5376         (rs6000_savres_rtx): Use the above.
5377         (rs6000_emit_epilogue, rs6000_emit_prologue): Here too.
5378         Correct mode used for CR2 in save/restore_world patterns.
5379         Don't emit instructions for eh_return frame unwind reg info.
5380
5381 2012-05-08  Jan Hubicka  <jh@suse.cz>
5382
5383         * cgraphbuild.c (build_cgraph_edges): Do not finalize vars
5384         with VALUE_EXPR.
5385         * cgraph.h (varpool_can_remove_if_no_refs): Vars with VALUE_EXPR
5386         are removable.
5387         * toplev.c (wrapup_global_declaration_2): Vars with VALUE_EXPR
5388         need to wrapup.
5389         (compile_file): Do not output variables.
5390         * cgraphbuild.c (varpool_finalize_decl): When var is finalized late,
5391         output it.
5392         * langhooks.c: Include timevar.h
5393         (write_global_declarations): Finalize compilation unit after wrapup;
5394         set timevars correctly.
5395         * passes.c (rest_of_decl_compilation): Decls with VALUE_EXPR needs
5396         not to be added to varpool.
5397         * varpool.c (varpool_assemble_decl): Sanity check that we are called
5398         only on cases where it makes sense; skip constant pool and value expr
5399         vars.
5400
5401 2012-05-08  David S. Miller  <davem@davemloft.net>
5402
5403         * config/sparc/linux.h (LINK_SPEC): Don't pass "-Y" option.
5404         * config/sparc/linux64.h (LINK_ARCH32_SPEC): Likewise.
5405         * config/sparc/linux64.h (LINK_ARCH64_SPEC): Likewise.
5406
5407 2012-05-08  Richard Sandiford  <rdsandiford@googlemail.com>
5408
5409         PR rtl-optimization/53278
5410         * lower-subreg.c (decompose_multiword_subregs): Remove left-over
5411         speed_p code from earlier patch.
5412
5413 2012-05-08  Oleg Endo  <olegendo@gcc.gnu.org>
5414
5415         PR target/51244
5416         * config/sh/sh.md (*branch_true, *branch_false): New insns.
5417
5418 2012-05-08  Teresa Johnson  <tejohnson@google.com>
5419
5420         * gcov-io.h (__gcov_reset, __gcov_dump): Declare.
5421         * doc/gcov.texi: Add note on using __gcov_reset and __gcov_dump.
5422
5423 2012-05-08  Jan Hubicka  <jh@suse.cz>
5424
5425         * cgraph.c (cgraph_call_edge_duplication_hooks): Export.
5426         (cgraph_create_node_1): Rename to ...
5427         (cgraph_create_empty_node): ... this one; export.
5428         (cgraph_create_node): Update.
5429         (cgraph_set_call_stmt_including_clones): Move to cgraphclones.c
5430         (cgraph_create_edge_including_clones): Likewise.
5431         (cgraph_find_replacement_node): Likewise.
5432         (cgraph_clone_edge): Likewise.
5433         (cgraph_clone_node): Likewise.
5434         (clone_function_name): Likewise.
5435         (cgraph_create_virtual_clone): Likewise.
5436         (cgraph_remove_node_and_inline_clones): Likewise.
5437         (cgraph_redirect_edge_call_stmt_to_callee): Move here from cgraphunit.c
5438         * cgraph.h: Reorder declarations so they match file of origin.
5439         (cgraph_create_empty_node): Declare.
5440         * cgraphunit.c (update_call_expr): Move to cgraphclones.c
5441         (cgraph_copy_node_for_versioning): Likewise.
5442         (cgraph_function_versioning): Likewise.
5443         (cgraph_materialize_clone): Likewise.
5444         (cgraph_redirect_edge_call_stmt_to_callee): Likewise.
5445         (cgraph_materialize_all_clones): Likewise.
5446         * cgraphclones.c: New file.
5447         * Makefile.in: Update for cgraphclones.
5448
5449 2012-05-08  Uros Bizjak  <ubizjak@gmail.com>
5450
5451         PR target/53176
5452         * config/i386/i386.c (ix86_set_reg_reg_cost): New function.
5453         (ix86_rtx_costs): Handle SET.
5454
5455 2012-05-08  Michael Matz  <matz@suse.de>
5456
5457         * basic-block.h (struct rtl_bb_info): Remove visited member and
5458         move head_ member to ...
5459         (struct basic_block_def.basic_block_il_dependent): ... the new
5460         member x, replacing but containing old member rtl.
5461         (enum bb_flags): New BB_VISITED flag.
5462         (BB_HEADER, BB_FOOTER): New macros.
5463
5464         * jump.c (mark_all_labels): Adjust.
5465         * cfgcleanup.c (try_optimize_cfg): Adjust.
5466         * cfglayout.c (record_effective_endpoints): Adjust.
5467         (relink_block_chain): Ditto (and don't fiddle with visited).
5468         (fixup_reorder_chain): Adjust.
5469         (fixup_fallthru_exit_predecessor): Ditto.
5470         (cfg_layout_duplicate_bb): Ditto.
5471         * combine.c (update_cfg_for_uncondjump): Adjust.
5472         * bb-reorder.c (struct bbro_basic_block_data_def): Add visited member.
5473         (bb_visited_trace): New accessor.
5474         (mark_bb_visited): Move in front.
5475         (rotate_loop): Use bb_visited_trace.
5476         (find_traces_1_round): Ditto.
5477         (emit_barrier_after): Ditto.
5478         (copy_bb): Ditto, and initialize visited on resize.
5479         (reorder_basic_blocks): Initize visited member.
5480         (duplicate_computed_gotos): Clear bb flags at start, use
5481         BB_VISITED flags.
5482
5483         * cfgrtl.c (try_redirect_by_replacing_jump): Adjust.
5484         (rtl_verify_flow_info_1): Ditto.
5485         (cfg_layout_split_block): Ditto.
5486         (cfg_layout_delete_block): Ditto.
5487         (cfg_layout_merge_blocks): Ditto.
5488         (init_rtl_bb_info): Adjust and initialize il.x.head_ member.
5489
5490 2012-05-08  Hans-Peter Nilsson  <hp@axis.com>
5491
5492         PR target/53272
5493         * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
5494         when a constant source operand matches an "I" constraint, the "no
5495         CC0 change" applies to a register-destination only, not a
5496         strict_low_part-destination.
5497
5498 2012-05-08  Richard Guenther  <rguenther@suse.de>
5499
5500         * fold-const.c (fold_binary_loc): Fold (X * CST1) & CST2
5501         to zero or to (X * CST1) & CST2' when CST1 has trailing zeros.
5502
5503 2012-05-08  Georg-Johann Lay  <avr@gjlay.de>
5504
5505         * Makefile.in (TEXI_GCC_FILES): Add avr-mmcu.texi.
5506
5507         * doc/avr-mmcu.texi: New auto-generated file.
5508         * doc/invoke.texi (AVR Options): Include avr-mmcu.texi in order
5509         to document all valid -mmcu= arguments.
5510
5511         * config/avr/avr.h (arch_info_s): New struct definition.
5512         * config/avr/avr-devices.c (avr_texinfo): New variable.
5513         * config/avr/gen-avr-mmcu-texi.c: New file.
5514         * config/avr/t-avr: New rules and dependencies to build avr-mmcu.texi.
5515
5516 2012-05-08  Dehao Chen  <dehao@google.com>
5517
5518         * predict.c (find_qualified_ssa_name): New.
5519         (find_ssa_name_in_expr): New.
5520         (find_ssa_name_in_assign_stmt): New.
5521         (is_comparison_with_loop_invariant_p): New.
5522         (is_bound_expr_similar): New.
5523         (predict_iv_comparison): New.
5524         (predict_loops): Add heuristic for loop-nested branches that compare an
5525         induction variable to a loop bound variable.
5526         * predict.def (PRED_LOOP_IV_COMPARE): New macro.
5527
5528 2012-05-08  Uros Bizjak  <ubizjak@gmail.com>
5529
5530         * config/i386/i386.c (has_dispatch): Use TARGET_BDVER1 and
5531         TARGET_BDVER2 defines where appropriate.
5532
5533 2012-05-07  Eric Botcazou  <ebotcazou@adacore.com>
5534
5535         * configure.ac (PLUGIN_LD): Rename into...
5536         (PLUGIN_LD_SUFFIX): ...this and strip the target_alias triplet.
5537         * config.in: Regenerate.
5538         * configure: Likewise.
5539         * collect2.c (main): Set plugin_ld_suffix to PLUGIN_LD_SUFFIX.
5540
5541 2012-05-07  Eric Botcazou  <ebotcazou@adacore.com>
5542
5543         * tree-dfa.c (get_ref_base_and_extent) <ARRAY_REF>: Do the offset
5544         computation using the precision of the index type.
5545         * gimple-fold.c (fold_const_aggregate_ref_1) <ARRAY_REF>: Likewise.
5546         (fold_array_ctor_reference): Do index computations in the index type.
5547
5548 2012-05-07  Georg-Johann Lay  <avr@gjlay.de>
5549
5550         * config/avr/avr.c (avr_prologue_setup_frame): Fix mode passed
5551         down to plus_constant.
5552         (expand_epilogue): Ditto.
5553
5554 2012-05-07  Steven Bosscher  <steven@gcc.gnu.org>
5555
5556         * postreload.c (reload_cse_regs): Make static.
5557         * reload.h (reload_cse_regs): Remove prototype.
5558
5559 2012-05-07  Richard Henderson  <rth@redhat.com>
5560
5561         * config/alpha/alpha.md (clear_cache): New pattern.
5562
5563 2012-05-07  Steven Bosscher  <steven@gcc.gnu.org>
5564
5565         PR middle-end/53245
5566         * gimplify.c (preprocess_case_label_vec_for_gimple): If low or high
5567         is folded to a type boundary value, verify that the resulting case
5568         label is still a care range.
5569
5570 2012-05-07  Uros Bizjak  <ubizjak@gmail.com>
5571
5572         * config/i386/i386.md (ctz<mode>2): Emit rep;bsf
5573         only for TARGET_GENERIC, when not optimizing for size.
5574         (*ffs<mode>_1): Ditto.
5575
5576 2012-05-07  Steven Bosscher  <steven@gcc.gnu.org>
5577
5578         * tree-cfg.c (verify_gimple_switch): Tighten checks.
5579
5580 2012-05-07  Jakub Jelinek  <jakub@redhat.com>
5581
5582         PR tree-optimization/53239
5583         * tree-vrp.c (get_value_range): Set VR of SSA_NAME_IS_DEFAULT_DEF
5584         of DECL_BY_REFERENCE RESULT_DECL to nonnull.
5585
5586 2012-05-07  Richard Guenther  <rguenther@suse.de>
5587
5588         PR tree-optimization/53195
5589         * tree-inline.c (setup_one_parameter): Properly add referenced
5590         vars from the parameters new known value.
5591
5592 2012-05-07  Steven Bosscher  <steven@gcc.gnu.org>
5593
5594         * config/m68k/m68k.c (m68k_sched_branch_type): Remove.
5595         (sched_branch_type): Remove.
5596         (m68k_sched_md_init_global): Don't allocate it.
5597         (m68k_sched_md_finish_global): Don't free it.
5598         * config/m68k/m68k.h (m68k_sched_branch_type): Remove prototype.
5599         * config/m68k/m68k.md: Set the type of insns using
5600         m68k_sched_branch_type to bcc directly.
5601
5602 2012-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5603
5604         * config/sol2.c (solaris_override_options): New function.
5605         * config/sol2-protos.h (solaris_override_options): Declare.
5606         * config/sol2.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
5607
5608 2012-05-07  Richard Guenther  <rguenther@suse.de>
5609
5610         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Return
5611         whether we failed to compute data dependences.
5612         (loop_prefetch_arrays): Fail if we failed.
5613
5614 2012-05-07  Uros Bizjak  <ubizjak@gmail.com>
5615             Paolo Bonzini  <bonzini@gnu.org>
5616
5617         * config/i386/i386.md (ctz<mode>2): Emit rep;bsf even for !TARGET_BMI.
5618         Emit bsf when optimizing for size.
5619         (*ffs<mode>_1): Ditto.
5620
5621 2012-05-07  Oleg Endo  <olegendo@gcc.gnu.org>
5622
5623         PR target/53250
5624         * config/sh/sh.c (sh_rtx_costs): Handle SET.
5625
5626 2012-05-06  Uros Bizjak  <ubizjak@gmail.com>
5627
5628         PR target/53227
5629         * config/i386/i386.md (swap<mode>): Rename from *swap<mode>.
5630         (bswapdi2): Split from bswap<mode>2.  Use nonnimediate_operand
5631         predicate for operand 1.  Force operand 1 to register for TARGET_BSWAP.
5632         (bswapsi2): Ditto.
5633         (*bswapdi2_doubleword): New insn pattern.
5634         (*bswap<mode>2): Rename from *bswap<mode>2_1.
5635
5636 2012-05-06  Richard Sandiford  <rdsandiford@googlemail.com>
5637
5638         * config/mips/mips.c (mips_set_reg_reg_piece_cost): New function.
5639         (mips_set_reg_reg_cost): Likewise.
5640         (mips_rtx_costs): Handle SET.
5641
5642 2012-05-06  Richard Sandiford  <rdsandiford@googlemail.com>
5643
5644         * lower-subreg.c (shift_cost): Use set_src_cost, avoiding the SET.
5645         (compute_costs): Likewise for the zero extension.  Use set_rtx_cost
5646         to compute the cost of moves.  Set the mode of the target register.
5647
5648 2012-05-05  Richard Sandiford  <rdsandiford@googlemail.com>
5649
5650         * rtl.h (plus_constant, plus_constant_mode): Merge into a single
5651         plus_constant function.
5652         * explow.c (plus_constant, plus_constant_mode): Likewise.  Assert
5653         that the mode is sensible.
5654         (use_anchored_address, round_push, allocate_dynamic_stack_space)
5655         (probe_stack_range, anti_adjust_stack_and_probe): Update calls to
5656         plus_constant.
5657
5658         * alias.c (canon_rtx): Likewise.
5659         (init_alias_analysis): Likewise.
5660         * builtins.c (expand_builtin_return_addr)
5661         (expand_builtin_setjmp_setup, expand_builtin_longjmp)
5662         (expand_builtin_nonlocal_goto, expand_builtin_update_setjmp_buf)
5663         (expand_builtin_apply_args_1, expand_builtin_apply, expand_movstr)
5664         (expand_builtin_stpcpy): Likewise.
5665         * calls.c (save_fixed_argument_area, restore_fixed_argument_area)
5666         (compute_argument_addresses, internal_arg_pointer_based_exp)
5667         (expand_call, emit_library_call_value_1): Likewise.
5668         * cfgexpand.c (expand_one_stack_var_at, expand_debug_expr): Likewise.
5669         * combine-stack-adj.c (try_apply_stack_adjustment): Likewise.
5670         * combine.c (combine_simplify_rtx, force_to_mode): Likewise.
5671         * cse.c (insert_const_anchor, find_reg_offset_for_const)
5672         (use_related_value, fold_rtx): Likewise.
5673         * cselib.c (cselib_subst_to_values): Likewise.
5674         * dse.c (record_store, check_mem_read_rtx): Likewise.
5675         * dwarf2out.c (rtl_for_decl_location, gen_variable_die): Likewise.
5676         * emit-rtl.c (adjust_address_1): Likewise.
5677         * except.c (sjlj_emit_function_enter)
5678         (expand_builtin_extract_return_addr)
5679         (expand_builtin_frob_return_addr): Likewise.
5680         * expmed.c (expand_divmod): Likewise.
5681         * expr.c (move_by_pieces, store_by_pieces, store_by_pieces_1)
5682         (emit_move_resolve_push, push_block, emit_push_insn, store_expr)
5683         (expand_expr_addr_expr_1, expand_expr_real_1): Likewise.
5684         * function.c (assign_stack_local_1)
5685         (instantiate_virtual_regs_in_rtx): Likewise.
5686         * optabs.c (prepare_cmp_insn): Likewise.
5687         * recog.c (offsettable_address_addr_space_p): Likewise.
5688         * reload.c (find_reloads_address, form_sum)
5689         (find_reloads_subreg_address): Likewise.
5690         * reload1.c (init_reload, eliminate_regs_1)
5691         (eliminate_regs_in_insn): Likewise.
5692         * simplify-rtx.c (simplify_unary_operation_1)
5693         (simplify_binary_operation_1, simplify_plus_minus): Likewise.
5694         * var-tracking.c (compute_cfa_pointer, prepare_call_arguments)
5695         (vt_add_function_parameter): Likewise.
5696
5697         * config/alpha/alpha.h (EH_RETURN_HANDLER_RTX): Likewise.
5698         * config/alpha/vms.h (EH_RETURN_HANDLER_RTX): Likewise.
5699         * config/alpha/alpha.c (alpha_legitimize_address_1)
5700         (get_unaligned_address, alpha_expand_unaligned_load)
5701         (alpha_expand_unaligned_store, alpha_expand_unaligned_load_words)
5702         (alpha_expand_unaligned_store_words, alpha_expand_block_clear)
5703         (alpha_expand_builtin_establish_vms_condition_handler)
5704         (alpha_setup_incoming_varargs, emit_frame_store_1)
5705         (alpha_expand_prologue, alpha_expand_epilogue)
5706         (alpha_use_linkage): Likewise.
5707         * config/alpha/alpha.md: Likewise.
5708
5709         * config/arm/arm.c (arm_trampoline_init, legitimize_pic_address)
5710         (arm_load_pic_register, arm_pic_static_addr, arm_legitimize_address)
5711         (thumb_legitimize_address, arm_gen_load_multiple_1)
5712         (arm_gen_store_multiple_1, arm_gen_multiple_op, gen_ldm_seq)
5713         (gen_stm_seq, gen_const_stm_seq, arm_block_move_unaligned_straight)
5714         (arm_block_move_unaligned_loop, arm_gen_movmemqi, arm_reload_in_hi)
5715         (arm_reload_out_hi, arm_reorg, vfp_emit_fstmd, emit_multi_reg_push)
5716         (emit_sfm, thumb_set_frame_pointer, arm_expand_prologue)
5717         (thumb1_emit_multi_reg_push, thumb1_expand_prologue)
5718         (thumb_expand_movmemqi, arm_set_return_address)
5719         (thumb_set_return_address): Likewise.
5720         * config/arm/arm.md: Likewise.
5721
5722         * config/avr/avr.c (avr_incoming_return_addr_rtx)
5723         (avr_prologue_setup_frame, expand_epilogue)
5724         (avr_const_address_lo16): Likewise.
5725
5726         * config/bfin/bfin.h (EH_RETURN_HANDLER_RTX): Likewise.
5727         * config/bfin/bfin.c (setup_incoming_varargs, bfin_load_pic_reg)
5728         (bfin_expand_prologue, bfin_trampoline_init, bfin_expand_call)
5729         (bfin_output_mi_thunk): Likewise.
5730
5731         * config/c6x/c6x.c (c6x_initialize_trampoline)
5732         (c6x_output_mi_thunk): Likewise.
5733
5734         * config/cr16/cr16.h (EH_RETURN_HANDLER_RTX): Likewise.
5735         * config/cr16/cr16.c (cr16_create_dwarf_for_multi_push): Likewise.
5736
5737         * config/cris/cris.c (cris_return_addr_rtx, cris_split_movdx)
5738         (cris_expand_prologue, cris_expand_epilogue, cris_gen_movem_load)
5739         (cris_emit_movem_store, cris_trampoline_init): Likewise.
5740         * config/cris/cris.md: Likewise.
5741
5742         * config/darwin.c (machopic_indirect_data_reference)
5743         (machopic_legitimize_pic_address): Likewise.
5744
5745         * config/epiphany/epiphany.c (epiphany_emit_save_restore)
5746         (epiphany_expand_prologue, epiphany_expand_epilogue)
5747         (epiphany_trampoline_init): Likewise.
5748         * config/epiphany/epiphany.md: Likewise.
5749
5750         * config/fr30/fr30.c (fr30_move_double): Likewise.
5751
5752         * config/frv/frv.c (frv_dwarf_store, frv_expand_prologue)
5753         (frv_expand_block_move, frv_expand_block_clear, frv_return_addr_rtx)
5754         (frv_index_memory, unspec_got_name, frv_find_base_term)
5755         (frv_output_dwarf_dtprel): Likewise.
5756
5757         * config/h8300/h8300.c (h8300_push_pop, h8300_return_addr_rtx)
5758         (h8300_swap_into_er6, h8300_swap_out_of_er6): Likewise.
5759
5760         * config/i386/i386.h (RETURN_ADDR_RTX): Likewise.
5761         * config/i386/i386.c (setup_incoming_varargs_64)
5762         (setup_incoming_varargs_ms_64, choose_baseaddr)
5763         (ix86_emit_save_reg_using_mov, ix86_adjust_stack_and_probe)
5764         (ix86_emit_probe_stack_range, ix86_expand_prologue)
5765         (ix86_emit_restore_reg_using_pop, ix86_emit_leave)
5766         (ix86_expand_epilogue, legitimize_pic_address, ix86_legitimize_address)
5767         (ix86_split_long_move, ix86_expand_movmem, ix86_expand_setmem)
5768         (ix86_static_chain, ix86_trampoline_init, x86_this_parameter)
5769         (x86_output_mi_thunk): Likewise.
5770         * config/i386/i386.md: Likewise.
5771
5772         * config/ia64/ia64.c (ia64_expand_load_address)
5773         (ia64_expand_tls_address, ia64_expand_move, ia64_split_tmode)
5774         (do_spill, ia64_trampoline_init): Likewise.
5775
5776         * config/iq2000/iq2000.c (iq2000_va_start)
5777         (iq2000_emit_frame_related_store, iq2000_expand_prologue)
5778         (iq2000_expand_eh_return, iq2000_setup_incoming_varargs)
5779         (iq2000_print_operand, iq2000_legitimize_address): Likewise.
5780
5781         * config/lm32/lm32.c (lm32_setup_incoming_varargs): Likewise.
5782
5783         * config/m32c/m32c.c (m32c_return_addr_rtx)
5784         (m32c_expand_insv): Likewise.
5785
5786         * config/m32r/m32r.c (m32r_setup_incoming_varargs)
5787         (m32r_legitimize_pic_address, m32r_print_operand)
5788         (m32r_print_operand_address): Likewise.
5789
5790         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Likewise.
5791         * config/m68k/m68k.h (RETURN_ADDR_RTX): Likewise.
5792         (EH_RETURN_HANDLER_RTX): Likewise.
5793         * config/m68k/m68k.c (m68k_emit_movem, m68k_expand_prologue)
5794         (m68k_expand_epilogue, legitimize_pic_address)
5795         (m68k_output_mi_thunk): Likewise.
5796         * config/m68k/m68k.md: Likewise.
5797
5798         * config/mcore/mcore.c (mcore_expand_prolog): Likewise.
5799         (mcore_expand_epilog): Likewise.
5800         * config/mcore/mcore.md: Likewise.
5801
5802         * config/mep/mep.c (mep_allocate_initial_value)
5803         (mep_expand_prologue, mep_expand_epilogue): Likewise.
5804
5805         * config/microblaze/microblaze.c (double_memory_operand)
5806         (microblaze_block_move_loop): Likewise.
5807
5808         * config/mips/mips.c (mips_strip_unspec_address, mips_add_offset)
5809         (mips_setup_incoming_varargs, mips_va_start, mips_block_move_loop)
5810         (mips_print_operand, mips16e_save_restore_reg, mips_save_restore_reg)
5811         (mips_expand_prologue, mips_epilogue_set_cfa)
5812         (mips_expand_epilogue): Likewise.
5813         * config/mips/mips.md: Likewise.
5814
5815         * config/mmix/mmix.c (mmix_dynamic_chain_address, mmix_return_addr_rtx)
5816         (mmix_expand_prologue, mmix_expand_epilogue): Likewise.
5817
5818         * config/mn10300/mn10300.c (mn10300_gen_multiple_store)
5819         (mn10300_builtin_saveregs, mn10300_trampoline_init): Likewise.
5820
5821         * config/moxie/moxie.h (INCOMING_RETURN_ADDR_RTX): Likewise.
5822         (EH_RETURN_HANDLER_RTX): Likewise.
5823         * config/moxie/moxie.c (moxie_static_chain): Likewise.
5824
5825         * config/pa/pa.c (legitimize_pic_address, hppa_legitimize_address)
5826         (store_reg, set_reg_plus_d, pa_expand_prologue, load_reg)
5827         (pa_return_addr_rtx, hppa_builtin_saveregs)
5828         (pa_trampoline_init): Likewise.
5829         * config/pa/pa.md: Likewise.
5830
5831         * config/pdp11/pdp11.c (pdp11_expand_epilogue): Likewise.
5832
5833         * config/picochip/picochip.c (picochip_static_chain): Likewise.
5834
5835         * config/rs6000/rs6000.h (RS6000_SAVE_TOC): Likewise.
5836         * config/rs6000/rs6000.c (rs6000_legitimize_address)
5837         (setup_incoming_varargs, print_operand, rs6000_return_addr)
5838         (rs6000_emit_eh_reg_restore, rs6000_emit_probe_stack_range)
5839         (rs6000_emit_epilogue)
5840         (rs6000_machopic_legitimize_pic_address): Likewise.
5841
5842         * config/rx/rx.c (gen_rx_rtsd_vector, gen_rx_popm_vector): Likewise.
5843
5844         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Likewise.
5845         (DYNAMIC_CHAIN_ADDRESS): Likewise.
5846         * config/s390/s390.c (s390_decompose_address, legitimize_pic_address)
5847         (s390_delegitimize_address, print_operand, annotate_constant_pool_refs)
5848         (replace_constant_pool_ref, s390_return_addr_rtx, s390_back_chain_rtx)
5849         (save_fpr, restore_fpr, save_gprs, restore_gprs, s390_emit_prologue)
5850         (s390_emit_epilogue, s390_function_profiler): Likewise.
5851         * config/s390/s390.md: Likewise.
5852
5853         * config/score/score.c (score_add_offset, score_prologue): Likewise.
5854
5855         * config/sh/sh.c (expand_block_move, push_regs, sh_builtin_saveregs)
5856         (sh_output_mi_thunk): Likewise.
5857         * config/sh/sh.md: Likewise.
5858
5859         * config/sparc/sparc.h (DYNAMIC_CHAIN_ADDRESS, FRAME_ADDR_RTX)
5860         (RETURN_ADDR_RTX, INCOMING_RETURN_ADDR_RTX): Likewise.
5861         * config/sparc/sparc.c (sparc_legitimize_pic_address)
5862         (sparc_emit_probe_stack_range, emit_save_or_restore_regs)
5863         (emit_window_save, sparc_flat_expand_prologue, sparc_struct_value_rtx)
5864         (emit_and_preserve): Likewise.
5865         * config/sparc/sparc.md: Likewise.
5866
5867         * config/spu/spu.h (DYNAMIC_CHAIN_ADDRESS): Likewise.
5868         * config/spu/spu.c (spu_expand_insv, spu_machine_dependent_reorg)
5869         (spu_setup_incoming_varargs, ea_load_store_inline)
5870         (spu_expand_load): Likewise.
5871
5872         * config/stormy16/stormy16.c (xstormy16_expand_prologue)
5873         (combine_bnp): Likewise.
5874
5875         * config/tilegx/tilegx.h (DYNAMIC_CHAIN_ADDRESS): Likewise.
5876         * config/tilegx/tilegx.c (tilegx_setup_incoming_varargs)
5877         (tilegx_expand_unaligned_load, tilegx_trampoline_init): Likewise.
5878
5879         * config/tilepro/tilepro.h (DYNAMIC_CHAIN_ADDRESS): Likewise.
5880         * config/tilepro/tilepro.c (tilepro_setup_incoming_varargs)
5881         (tilepro_expand_unaligned_load, tilepro_trampoline_init): Likewise.
5882
5883         * config/v850/v850.c (expand_prologue, expand_epilogue): Likewise.
5884         * config/v850/v850.md: Likewise.
5885
5886         * config/vax/elf.h (EH_RETURN_STACKADJ_RTX): Likewise.
5887         (EH_RETURN_HANDLER_RTX): Likewise.
5888         * config/vax/vax.h (DYNAMIC_CHAIN_ADDRESS, RETURN_ADDR_RTX): Likewise.
5889         * config/vax/vax.c (vax_add_reg_cfa_offset, vax_expand_prologue)
5890         (print_operand_address, vax_trampoline_init): Likewise.
5891
5892         * config/xtensa/xtensa.c (xtensa_expand_prologue, xtensa_return_addr)
5893         (xtensa_function_value_regno_p): Likewise.
5894
5895 2012-05-04  Andrew Pinski  <apinski@cavium.com>
5896
5897         * expr.c (get_def_for_expr_class): New function.
5898         (convert_tree_comp_to_rtx): New function.
5899         (expand_cond_expr_using_cmove): New function.
5900         (expand_expr_real_2 <case COND_EXPR>): Call
5901         expand_cond_expr_using_cmove first and return if it succeeds.
5902         Remove the check for HAVE_conditional_move since we should have
5903         already converted it to a conditional move.
5904         * config/i386/i386.c (ix86_expand_int_movcc): Disallow comparison
5905         modes of DImode for 32bits and TImode.
5906
5907 2012-05-04  Steven Bosscher  <steven@gcc.gnu.org>
5908
5909         PR other/29442
5910         * read-md.c (fprint_md_ptr_loc, fprint_c_condition): New functions.
5911         (print_md_ptr_loc, print_c_condition): Use them.
5912         * read-md.h (fprint_md_ptr_loc, fprint_c_condition): New prototypes.
5913         * genattrtab.c (attr_file_name, dfa_file_name, latency_file_name,
5914         attr_file, dfa_file, latency_file): New global variables.
5915         (write_attr_valueq, write_attr_set, write_attr_case, write_attr_value,
5916         write_upcase, write_indent, write_length_unit_log, write_test_expr,
5917         write_attr_get, write_insn_cases, write_eligible_delay,
5918         write_const_num_delay_slots): Accept FILE pointer and toss it around.
5919         Update all callers.
5920         (write_header, open_outfile, handle_arg): New funcions.
5921         (make_automaton_attrs): Write prototypes as extern to the output
5922         files.
5923         (main): Use init_rtx_reader_args_cb with handle_arg to take 3 file
5924         names from the command line.  Open the output files and write out
5925         internal functions for DFA functions to dfa_file_name, insn latency
5926         functions to latency_file_name, and everything else to attr_file.
5927         * Makefile.in (OBJS): Add insn-dfatab.o and insn-latencytab.o.
5928         (BACKEND): Build libbackend first.
5929         (MOSTLYCLEANFILES): Add insn-dfatab.c and insn-latencytab.c.
5930         (.PRECIOUS): Likewise.
5931         (insn-dfatab.o): New rule.
5932         (insn-latencytab.o): New rule.
5933         (simple_rtl_generated_c): Do not include insn-attrtab.c.
5934         (s-attrtab): New rule.
5935
5936 2012-05-04  Steven Bosscher  <steven@gcc.gnu.org>
5937
5938         * rtl.def (ATTR_FLAG): Remove probability indicating flags.
5939         * genattr.c (main): Remove ATTR_FLAG_likely, ATTR_FLAG_unlikely,
5940         ATTR_FLAG_very_likely, and ATTR_FLAG_very_unlikely.
5941         * reorg.c (get_jump_flags): Do not set the removed flags.
5942
5943         * doc/md.texi (attr_flag): Update for abovementioned changes.
5944
5945 2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
5946
5947         PR target/53228
5948         * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
5949         (TARGET_CMOV): Rename from TARGET_CMOVE.
5950         (TARGET_CMOVE): New define.
5951         * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
5952         Do not set TARGET_CMOVE here.
5953
5954 2012-05-04  Dodji Seketeli  <dodji@redhat.com>
5955
5956         Enable -Wunused-local-typedefs when -Wall or -Wunused is on
5957         * opts.c (finish_options): Activate -Wunused-local-typedefs if
5958         -Wunused is activated.
5959         * doc/invoke.texi: Update blurb of -Wunused-local-typedefs.
5960
5961 2012-05-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5962
5963         * config/s390/s390.md (*movmem_short, *clrmem_short)
5964         (*cmpmem_short): Move the mode check from the insn condition to
5965         the match_scratch.
5966
5967 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
5968
5969         PR tree-optimization/52633
5970         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
5971         vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
5972         (vect_recog_over_widening_pattern): Remove handling of code that was
5973         already detected as over-widening pattern.  Remove special handling
5974         of "unsigned" cases.  Instead, support general case of conversion
5975         of the shift result to another type.
5976
5977 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
5978
5979         * tree-vect-patterns.c (vect_single_imm_use): New function.
5980         (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
5981         (vect_recog_over_widening_pattern): Likewise.
5982         (vect_recog_widen_shift_pattern): Likewise.
5983
5984 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
5985
5986         * tree-vect-patterns.c (vect_same_loop_or_bb_p): New function.
5987         (vect_handle_widen_op_by_const): Use it instead of open-coding test.
5988         (vect_recog_widen_mult_pattern): Likewise.
5989         (vect_operation_fits_smaller_type): Likewise.
5990         (vect_recog_over_widening_pattern): Likewise.
5991         (vect_recog_widen_shift_pattern): Add to vect_same_loop_or_bb_p test.
5992
5993 2012-05-04  Richard Guenther  <rguenther@suse.de>
5994
5995         PR lto/50602
5996         * lto-wrapper.c (merge_and_complain): Complain about mismatches
5997         of -freg-struct-return and -fpcc-struct-return.
5998         (run_gcc): Pass through -freg-struct-return and -fpcc-struct-return
5999         from the input file options and ignore those from the link
6000         command line.
6001
6002 2012-05-04  Richard Guenther  <rguenther@suse.de>
6003
6004         PR tree-optimization/53168
6005         * tree-ssa-pre.c (phi_translate_1): Only handle type-punned
6006         memory reads when the result is a constant we can pun.
6007
6008 2012-05-04  Richard Guenther  <rguenther@suse.de>
6009
6010         * common.opt (flto-report): Do not mark as Optimization.
6011
6012 2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
6013
6014         PR target/48496
6015         * recog.c (constrain_operands): If extra constraints are present, also
6016         accept pseudo-registers with equivalent memory locations during reload.
6017
6018 2012-05-04  Olivier Hainque  <hainque@adacore.com>
6019
6020         * collect2.c (may_unlink_output_file): New global.
6021         (maybe_unlink): Honor it.
6022         * collect2.h: Add extern for it.
6023         * tlink.c (do_tlink): Set it to true if the link succeeded.
6024
6025 2012-05-04  Olivier Hainque  <hainque@adacore.com>
6026
6027         * gcc.c (eval_spec_function): Finalize/restore the current string
6028         obstack state as part of the context push/pop operations.
6029
6030 2012-05-04  Bin Cheng  <bin.cheng@arm.com>
6031
6032         PR rtl-optimization/52804
6033         * reload1.c (reload_reg_reaches_end_p): Check whether successor
6034         reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
6035         of current one with type RELOAD_FOR_INPADDR_ADDRESS.
6036         Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
6037         RELOAD_FOR_OUTADDR_ADDRESS.
6038
6039 2012-05-04  Manuel López-Ibáñez  <manu@gcc.gnu.org>
6040
6041         PR c++/24985
6042         * tree-diagnostic.c (maybe_unwind_expanded_macro_loc): Show caret
6043         for macro expansion.
6044
6045 2012-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
6046
6047         * flags.h (flag_permissive): Do not declare.
6048         * diagnostic.c (diagnostic_report_diagnostic): Handle fpermissive
6049         option specially.
6050         * toplev.c (flag_permissive): Do not define.
6051         * c-tree.h (system_header_p): Delete unused.
6052
6053 2012-05-03  David S. Miller  <davem@davemloft.net>
6054
6055         PR target/52684
6056         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
6057         MEM directly into a libcall, mark it's MEM_EXPR as addressable.
6058         (sparc_emit_float_lib_cmp): Likewise.
6059
6060 2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
6061
6062         PR target/53199
6063         * config/rs6000/rs6000.md (bswapdi splitters): If
6064         -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
6065         default) is used, generate an alternate sequence that does not
6066         depend on using indexed addressing.
6067
6068 2012-05-03  Jason Merrill  <jason@redhat.com>
6069
6070         * gengtype.c (write_types): Fix warning message.
6071         (write_local): Likewise.
6072
6073 2012-05-02  Jason Merrill  <jason@redhat.com>
6074
6075         * dwarf2out.c (struct external_ref, build_local_stub): New.
6076         (hash_external_ref, external_ref_eq, lookup_external_ref): New.
6077         (optimize_external_refs, optimize_external_refs_1): New.
6078         (change_AT_die_ref): New.
6079         (clone_as_declaration): Add DW_AT_signature when cloning a declaration.
6080         (build_abbrev_table): Take the external refs hashtable.
6081         (output_comp_unit): Get it from optimize_external_refs and pass it in.
6082
6083 2012-05-03  Jan Hubicka  <jh@suse.cz>
6084
6085         PR middle-end/53093
6086         * tree-emutls.c (new_emutls_decl): Fix handling of aliases.
6087
6088 2012-05-03  Jan Hubicka  <jh@suse.cz>
6089
6090         PR middle-end/53106
6091         * ipa.c (cgraph_remove_unreachable_nodes): Fix handling of clones.
6092
6093 2012-05-03  Jason Merrill  <jason@redhat.com>
6094
6095         * dwarf2out.c (die_struct): Add comdat_type_p flag.  Use it instead of
6096         use_debug_types to discriminate the die_id union.
6097         (print_die, assign_symbol_names, copy_decls_walk): Likewise.
6098         (build_abbrev_table, output_die): Likewise.
6099         (prune_unused_types_walk_attribs): Likewise.
6100         (generate_type_signature, copy_declaration_context): Set it.
6101         (remove_child_or_replace_with_skeleton): Set it.
6102         (dwarf2out_start_source_file, dwarf2out_end_source_file): Don't
6103         check use_debug_types.
6104         (dwarf2out_finish): Do break_out_includes after .debug_types.
6105
6106 2012-05-03  Jason Merrill  <jason@redhat.com>
6107
6108         * dwarf2out.c (modified_type_die): Use scope_die_for.
6109         (gen_type_die_with_usage, dwarf2out_finish): Likewise.
6110         (uses_local_type_r, uses_local_type): New.
6111         (scope_die_for): Keep a type that uses a local type in local scope.
6112         Use get_context_die for namespace and type scope.
6113
6114 2012-05-03  Jason Merrill  <jason@redhat.com>
6115
6116         * config/i386/i386.c (ix86_code_end): Set DECL_IGNORED_P on the
6117         pc thunk.
6118         * dwarf2out.c (output_aranges): Skip DECL_IGNORED_P functions.
6119         (dwarf2out_finish): Likewise.
6120
6121 2012-05-03  Martin Jambor  <mjambor@suse.cz>
6122
6123         * builtins.c (get_object_alignment_1): Return whether we can determine
6124         the alignment or conservatively assume byte alignment.  Return the
6125         alignment by reference.  Use get_pointer_alignment_1 for dereference
6126         alignment.
6127         (get_pointer_alignment_1): Return whether we can determine the
6128         alignment or conservatively assume byte alignment.  Return the
6129         alignment by reference.  Use get_ptr_info_alignment to get SSA name
6130         alignment.
6131         (get_object_alignment): Update call to get_object_alignment_1.
6132         (get_object_or_type_alignment): Likewise, fall back to type alignment
6133         only when it returned false.
6134         (get_pointer_alignment): Update call to get_pointer_alignment_1.
6135         * fold-const.c (get_pointer_modulus_and_residue): Update call to
6136         get_object_alignment_1.
6137         * ipa-prop.c (ipa_modify_call_arguments): Update call to
6138         get_pointer_alignment_1.
6139         * tree-sra.c (build_ref_for_offset): Likewise, fall back to the type
6140         of MEM_REF or TARGET_MEM_REF only when it returns false.
6141         * tree-ssa-ccp.c (get_value_from_alignment): Update call to
6142         get_object_alignment_1.
6143         (ccp_finalize): Use set_ptr_info_alignment.
6144         * tree.h (get_object_alignment_1): Update declaration.
6145         (get_pointer_alignment_1): Likewise.
6146         * gimple-pretty-print.c (dump_gimple_phi): Use get_ptr_info_alignment.
6147         (dump_gimple_stmt): Likewise.
6148         * tree-flow.h (ptr_info_def): Updated comments of fields align and
6149         misalign.
6150         (get_ptr_info_alignment): Declared.
6151         (mark_ptr_info_alignment_unknown): Likewise.
6152         (set_ptr_info_alignment): Likewise.
6153         (adjust_ptr_info_misalignment): Likewise.
6154         * tree-ssa-address.c (copy_ref_info): Use new access functions to get
6155         and set alignment of SSA names.
6156         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Call
6157         mark_ptr_info_alignment_unknown.
6158         * tree-ssanames.c (get_ptr_info_alignment): New function.
6159         (mark_ptr_info_alignment_unknown): Likewise.
6160         (set_ptr_info_alignment): Likewise.
6161         (adjust_ptr_info_misalignment): Likewise.
6162         (get_ptr_info): Call mark_ptr_info_alignment_unknown.
6163         * tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref):
6164         Likewise.
6165         (bump_vector_ptr): Likewise.
6166         * tree-vect-stmts.c (create_array_ref): Use set_ptr_info_alignment.
6167         (vectorizable_store): Likewise.
6168         (vectorizable_load): Likewise.
6169
6170 2012-05-03  Michael Matz  <matz@suse.de>
6171
6172         * basic-block.h (struct rtl_bb_info, struct gimple_bb_info): Move
6173         in front of basic_block_def.
6174         (struct basic_block_def): Make il.gimple the full struct, not a
6175         pointer.
6176         (__assert_gimple_bb_smaller_rtl_bb): Asserting typedef.
6177
6178         * cfgexpand.c (expand_gimple_basic_block): Clear all il.gimple members.
6179         * gimple-iterator.c (gimple_stmt_iterator): Don't special case
6180         NULL il.gimple, which can't happen anymore.
6181         * gimple.h (bb_seq): il.gimple can't be NULL.
6182         (bb_seq_add): Ditto.
6183         (set_bb_seq): Adjust.
6184         (gsi_start_bb, gsi_last_bb): Tidy.
6185         * lto-streamer-in.c (make_new_block): Don't zero members that
6186         are zeroed already, don't allocate a gimple_bb_info.
6187         * tree-cfg.c (create_bb): Don't allocate a gimple_bb_info.
6188         (remove_bb): Clear all il.gimple members.
6189         (gimple_verify_flow_info): Adjust for flat il.gimple.
6190         * tree-flow-inline.h (phi_nodes, phi_nodes_ptr, set_phi_nodes): Adjust.
6191
6192         * coretypes.h (const_gimple_seq): Remove typedef.
6193         * gimple.h (gimple_seq_first): Take gimple_seq.
6194         (gimple_seq_first_stmt): Ditto.
6195         (gimple_seq_last): Ditto.
6196         (gimple_seq_last_stmt): Ditto.
6197         (gimple_seq_empty_p): Ditto.
6198
6199 2012-05-03  Richard Guenther  <rguenther@suse.de>
6200
6201         * tree-ssa-pre.c (valid_in_sets): Remove checking of trapping
6202         operations.
6203         (prune_clobbered_mems): Do it here.  Do not uselessly sort expressions.
6204         (compute_avail): Do not add possibly trapping operations to
6205         EXP_GEN if they might not be executed in the block.
6206
6207 2012-05-03  Uros Bizjak  <ubizjak@gmail.com>
6208
6209         * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Remove.
6210
6211 2012-05-03  Steven Bosscher  <steven@gcc.gnu.org>
6212
6213         * tree-switch-conversion.c (gen_inbound_check): Free post-dominance
6214         information as early as possible.  Update dominance info instead of
6215         discarding it.
6216
6217 2012-05-03  Richard Guenther  <rguenther@suse.de>
6218
6219         * tree-ssa-pre.c (debug_bitmap_sets_for): New function.
6220         (union_contains_value): Remove.
6221         (vro_valid_in_sets): Likewise.
6222         (op_valid_in_sets): New function.
6223         (valid_in_sets): Use op_valid_in_sets.
6224         (insert_into_preds_of_block): Move dumping ...
6225         (do_regular_insertion): ... here.
6226         (do_partial_partial_insertion): ... and here.  Dump that
6227         we've found a partial partial redundancy.
6228         (insert): Dump the current insert iteration.
6229
6230 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
6231
6232         PR plugins/53126
6233         * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
6234         append program name to it and pass that as first argument
6235         to make_relative_prefix.  Always pass standard_libexec_prefix
6236         as last argument to make_relative_prefix.  If
6237         make_relative_prefix returns NULL, fall back to
6238         standard_libexec_prefix.
6239
6240         PR debug/53174
6241         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
6242         removed.
6243
6244         PR target/53187
6245         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
6246         mode, return that mode.
6247
6248         PR target/53194
6249         * config/i386/i386-c.c (ix86_target_macros_internal): Don't
6250         define __ATOMIC_HLE_* macros here.
6251         (ix86_target_macros): But here, using cpp_define_formatted.
6252
6253 2012-05-03  Richard Guenther  <rguenther@suse.de>
6254
6255         PR tree-optimization/53144
6256         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
6257         Rename to ...
6258         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
6259         with SSA name values.
6260         (vn_reference_lookup_3): Adjust callers.
6261
6262 2012-05-03  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
6263
6264         * config/i386/driver-i386.c (host_detect_local_cpu): Reset
6265         has_fma4 for AMD processors with both fma3 and fma4 support.
6266
6267 2012-05-03  Kirill Yukhin  <kirill.yukhin@intel.com>
6268
6269         PR target/53201
6270         * config/i386/driver-i386.c (host_detect_local_cpu): Add space to
6271         "-mno-hle".
6272
6273 2012-05-03  Michael Matz  <matz@suse.de>
6274
6275         PR bootstrap/53197
6276         * tree-ssa-dse.c (dse_optimize_stmt): Take pointer to iterator.
6277         (dse_enter_block): Properly iterate the whole sequence even
6278         if the last statement was removed.
6279
6280 2012-05-02  Steven Bosscher  <steven@gcc.gnu.org>
6281
6282         * config/alpha/vms.h (SUBTARGET_OVERRIDE_OPTIONS): For pic code,
6283         unset flag_jump_tables.
6284         * stmt.c (expand_case): Remove special flag_pic case conditional
6285         on ASM_OUTPUT_ADDR_DIFF_ELT not being defined.
6286
6287 2012-05-02  Ulrich Weigand  <ulrich.weigand@linaro.org>
6288
6289         * common/config/s390/s390-common.c (s390_option_optimization_table):
6290         Enable -fsched-pressure using -fsched-pressure-algorithm=model by
6291         default when optimizing.
6292
6293 2012-05-02  Martin Jambor  <mjambor@suse.cz>
6294
6295         PR lto/52605
6296         * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
6297         of a variable when the contect is a function.
6298
6299 2012-05-02  Michael Matz  <matz@suse.de>
6300
6301         * coretypes.h (gimple_seq, const_gimple_seq): Typedef as gimple.
6302         * gimple.h (struct gimple_seq_node_d, struct gimple_seq_d): Remove.
6303         (const_gimple_seq_node): Remove.
6304         (gimple_seq_node): Typedef as gimple.
6305         (struct gimple_statement_base): Add next and prev members,
6306         adjust all WORD markers in using structs.
6307         (union gimple_statement_d): Link via gsbase.next field for GC and PCH.
6308         (gimple_seq_first, gimple_seq_first_stmt, gimple_seq_last,
6309         gimple_seq_last_stmt): Adjust as gimple_seq, gimple_seq_node and
6310         gimple are the same.
6311         (gimple_seq_set_last, gimple_seq_set_first): Don't allocate
6312         gimple_seq, adjust.
6313         (gimple_init_singleton): New function.
6314         (gsi_start_1, gsi_last_1, gsi_end_p, gsi_one_before_end_p): Adjust.
6315         (gsi_next, gsi_prev): Adjust, handle prev cyclic list correctly.
6316         (gsi_stmt): Adjust.
6317         (gsi_stmt_ptr): Remove.
6318         (enum gimple_alloc_kind): Remove gimple_alloc_kind_seq member.
6319
6320         * gimple-iterator.c (update_bb_for_stmts): Take last parameter
6321         again, adjust for above changes.
6322         (update_call_edge_frequencies): Adjust for above changes.
6323         (gsi_insert_seq_nodes_before): Rewrite for new data structure.
6324         (gsi_insert_seq_nodes_after): Ditto.
6325         (gsi_split_seq_after): Ditto.
6326         (gsi_set_stmt): Ditto.
6327         (gsi_split_seq_before): Ditto.
6328         (gsi_remove): Ditto.
6329         (gsi_insert_seq_before_without_update): Don't free sequence.
6330         (gsi_insert_seq_after_without_update): Ditto.
6331         (gsi_replace): Assert some more invariants.
6332         (gsi_insert_before_without_update, gsi_insert_after_without_update):
6333         Tidy.
6334         (gsi_for_stmt): Don't search for stmt.
6335         (gsi_insert_on_edge_immediate): Tidy.
6336
6337         * gimple.c (gimple_alloc_k): Remove "sequences".
6338         (gimple_seq_cache): Remove.
6339         (gimple_alloc_stat): Make stmt a singleton sequence.
6340         (gimple_seq_alloc, gimple_seq_free): Remove.
6341         (gimple_assign_set_rhs_with_ops_1): Ensure new stmt is a singleton.
6342         (gimple_copy): Ditto.
6343         * gimplify.c (gimplify_cleanup_point_expr): Use gsi_set_stmt,
6344         create iterator from correct sequence.
6345         * tree-phinodes.c (make_phi_node): Make stmt a singleton.
6346
6347 2012-05-02  Michael Matz  <matz@suse.de>
6348
6349         * gimple.h (gimple_stmt_iterator <seq>): Make it be pointer to
6350         gimple_seq.
6351         (gimple_seq_set_last, gimple_seq_set_first): Take pointer to
6352         sequence, lazily allocate it.
6353         (bb_seq_addr): New function.
6354         (gsi_start_1): Rename from gsi_start, but take pointer to sequence.
6355         (gsi_start): Macro to wrap gsi_start_1 taking pointer of argument.
6356         (gsi_none): New function.
6357         (gsi_start_bb): Adjust.
6358         (gsi_last_1): Rename from gsi_last, but take pointer to sequence.
6359         (gsi_last): Macro to wrap gsi_last_1 taking pointer of argument.
6360         (gsi_last_bb): Adjust.
6361         (gsi_seq): Adjust.
6362         * tree-flow-inline.h (phi_nodes_ptr): New function.
6363
6364         * gimple-iterator.c (gsi_insert_seq_nodes_before): Adjust to
6365         datastructure and interface change.
6366         (gsi_insert_seq_before_without_update): Ditto.
6367         (gsi_insert_seq_nodes_after): Ditto.
6368         (gsi_insert_seq_after_without_update): Ditto.
6369         (gsi_split_seq_after): Ditto, don't use gimple_seq_alloc.
6370         (gsi_split_seq_before): Ditto.
6371         (gsi_start_phis): Adjust.
6372         * tree-vect-loop.c (vect_determine_vectorization_factor): Use gsi_none.
6373         (vect_transform_loop): Ditto.
6374         * gimple.c (gimple_seq_add_stmt, gimple_seq_add_seq,
6375         gimple_seq_copy): Don't use gimple_seq_alloc.
6376         * gimplify.c (gimple_seq_add_stmt_without_update): Ditto.
6377         (gimplify_seq_add_seq): Ditto.
6378         * lto-streamer-in.c (make_new_block): Ditto.
6379         * tree-cfg.c (create_bb): Ditto.
6380         * tree-sra.c (initialize_parameter_reductions): Ditto.
6381
6382 2012-05-02  Michael Matz  <matz@suse.de>
6383
6384         * gimple.h (gimple_seq_first, gimple_seq_first_stmt, gimple_seq_last,
6385         gimple_seq_last_stmt, gimple_seq_set_last, gimple_seq_set_first,
6386         gimple_seq_empty_p, gimple_seq_alloc_with_stmt, bb_seq,
6387         set_bb_seq): Move down to after gimple_statement_d definition.
6388
6389 2012-05-02  Michael Matz  <matz@suse.de>
6390
6391         * gimple-fold.c (gimplify_and_update_call_from_tree): Use
6392         gsi_replace_with_seq, instead of inserting itself.
6393         * gimple-iterator.c (gsi_replace_with_seq): New function.
6394         * tree-ssa-forwprop.c (forward_propagate_comparison): Take
6395         iterator instead of statement, advance it.
6396         (ssa_forward_propagate_and_combine): Adjust call to above.
6397
6398 2012-05-02  Michael Matz  <matz@suse.de>
6399
6400         * tree-phinodes.c (add_phi_node_to_bb): Tidy, don't use
6401         gimple_seq_alloc.
6402         * omp-low.c (finalize_task_copyfn): Don't use gimple_seq_alloc.
6403         * tree-nested.c (walk_gimple_omp_for): Ditto.
6404         * trans-mem.c (lower_transaction): Ditto.
6405         * tree-eh.c (do_return_redirection): Ditto.
6406         (do_goto_redirection): Ditto.
6407         (lower_try_finally_switch): Ditto.
6408         * gimplify.c (gimplify_stmt): Ditto.
6409         (gimplify_scan_omp_clauses): Ditto.
6410         (gimplify_omp_for): Ditto.
6411         (gimplify_function_tree): Ditto.
6412         * gimple-fold.c (gimplify_and_update_call_from_tree): Ditto.
6413         * tree-mudflap.c (mf_decl_cache_locals): Ditto.
6414         (mf_build_check_statement_for): Ditto.
6415         (mx_register_decls): Ditto.
6416         * graphite-sese-to-poly.c (remove_invariant_phi): Ditto,
6417         and don't use itertors to append.
6418         (insert_stmts): Ditto.
6419         (insert_out_of_ssa_copy): Ditto.
6420         (insert_out_of_ssa_copy_on_edge): Ditto.
6421
6422 2012-05-02  Michael Matz  <matz@suse.de>
6423
6424         * gimple.h (gimple_bind_body_ptr): New function.
6425         (gimple_bind_body): Use it.
6426         (gimple_catch_handler): Use gimple_catch_handler_ptr.
6427         (gimple_eh_filter_failure_ptr): New function.
6428         (gimple_eh_filter_failure): Use it.
6429         (gimple_eh_else_n_body_ptr): New function.
6430         (gimple_eh_else_n_body): Use it.
6431         (gimple_eh_else_e_body_ptr): New function.
6432         (gimple_eh_else_e_body): Use it.
6433         (gimple_try_eval_ptr): New function.
6434         (gimple_try_eval): Use it.
6435         (gimple_try_cleanup_ptr): New function.
6436         (gimple_try_cleanup): Use it.
6437         (gimple_wce_cleanup_ptr): New function.
6438         (gimple_wce_cleanup): Use it.
6439         (gimple_omp_body_ptr): New function.
6440         (gimple_omp_body): Use it.
6441         (gimple_omp_for_pre_body_ptr): New function.
6442         (gimple_omp_for_pre_body): Use it.
6443         (gimple_transaction_body_ptr): New function.
6444         (gimple_transaction_body): Use it.
6445         (gsi_split_seq_before): Adjust to return nothing and take pointer
6446         to sequence.
6447         (gsi_set_stmt): Declare.
6448         (gsi_replace_with_seq): Declare.
6449         (walk_gimple_seq_mod): Declare.
6450         * function.h (struct function <gimple_body>): Use typedef gimple_seq.
6451
6452         * gimple-iterator.c (gsi_set_stmt): New function.
6453         (gsi_split_seq_before): Return new sequence via pointer argument.
6454         (gsi_replace): Use gsi_set_stmt.
6455
6456         * tree-ssa-loop-im.c (move_computations_stmt): First remove
6457         then insert stmt.
6458         * tree-complex.c (update_complex_components_on_edge): Don't copy gsi.
6459         * tree-phinodes.c (resize_phi_node): Don't resize stmt in-place,
6460         return new stmt.
6461         (reserve_phi_args_for_new_edge): Change call to above,
6462         use gsi_set_stmt.
6463
6464         * omp-low.c (lower_omp): Change prototype to take pointer to sequence.
6465         (lower_rec_input_clauses): Use gimple_seq_add_seq instead of
6466         iterators.  Adjust call to lower_omp.
6467         (lower_lastprivate_clauses): Adjust call to lower_omp.
6468         (lower_reduction_clauses): Ditto.
6469         (expand_omp_taskreg): Nullify non-cfg body of child_fn.
6470         (lower_omp_sections): Don't explicitely count sequence length,
6471         nullify lowered bodies earlier, ensure stmts are part of only
6472         one sequence, adjust call to lower_omp.
6473         (lower_omp_single): Ensure stmts are part of only one sequence,
6474         adjust call to lower_omp.
6475         (lower_omp_master): Ditto.
6476         (lower_omp_ordered): Ditto.
6477         (lower_omp_critical): Ditto.
6478         (lower_omp_for): Ditto.
6479         (lower_omp_taskreg): Ditto, tidy.
6480         (lower_omp_1): Adjust calls to lower_omp.
6481         (execute_lower_omp): Ditto.
6482         (lower_omp): Adjust to take pointer to sequence.
6483         (diagnose_sb_2): Use walk_gimple_seq_mod.
6484         (diagnose_omp_structured_block_errors): Ditto and set possibly
6485         changed function body.
6486         * gimple-low.c (lower_function_body): Set function body after
6487         it stabilizes.
6488         (lower_sequence): Adjust to take pointer to sequence.
6489         (lower_omp_directive): Ensure stmt isn't put twice into the
6490         sequence, adjust call to lower_sequence.
6491         (lower_stmt): Adjust calls to lower_sequence.
6492         (lower_gimple_bind): Ditto.
6493         (gimple_try_catch_may_fallthru): Call gsi_start with lvalue.
6494         * tree-nested.c (walk_body): Take pointer to sequence, use
6495         walk_gimple_seq_mod.
6496         (walk_function): Adjust call to walk_body, set possibly changed body.
6497         (walk_gimple_omp_for): Adjust calls to walk_body.
6498         (convert_nonlocal_omp_clauses): Ditto.
6499         (convert_nonlocal_reference_stmt): Ditto.
6500         (convert_local_omp_clauses): Ditto.
6501         (convert_local_reference_stmt): Ditto.
6502         (convert_tramp_reference_stmt): Ditto.
6503         (convert_gimple_call): Ditto.
6504         (convert_nl_goto_reference): Use local iterator copy.
6505         * gimple.c (walk_gimple_seq_mod): Renamed from walk_gimple_seq,
6506         but taking pointer to sequence, ensure gsi_start is called with
6507         callers lvalue.
6508         (walk_gimple_seq): New wrapper around walk_gimple_seq_mod,
6509         asserting that the sequence head didn't change.
6510         (walk_gimple_stmt): Replace all calls to walk_gimple_seq with
6511         walk_gimple_seq_mod.
6512         * trans-mem.c (lower_transaction): Use walk_gimple_seq_mod.
6513         (execute_lower_tm): Ditto, and set possibly changed body.
6514         * tree-eh.c (lower_eh_constructs_1): Take pointer to sequence,
6515         call gsi_start with that lvalue.
6516         (replace_goto_queue_stmt_list): Ditto.
6517         (replace_goto_queue_1): Adjust calls to replace_goto_queue_stmt_list.
6518         (replace_goto_queue): Ditto.
6519         (lower_try_finally_nofallthru): Adjust calls to lower_eh_constructs_1.
6520         (lower_try_finally_onedest): Ditto.
6521         (lower_try_finally_copy): Ditto.
6522         (lower_try_finally_switch): Ditto.
6523         (lower_try_finally): Ditto.
6524         (lower_eh_filter): Ditto.
6525         (lower_eh_must_not_throw): Ditto.
6526         (lower_cleanup): Ditto.
6527         (lower_eh_constructs_2): Ditto.
6528         (lower_catch): Ditto, and ensure gsi_start is called with lvalue.
6529         (lower_eh_constructs): Adjust calls to lower_eh_constructs_1, and
6530         set possibly changed body.
6531         (optimize_double_finally): Call gsi_start with lvalue.
6532
6533         * tree-cfg.c (make_blocks): Adjust call to gsi_split_seq_before.
6534         (gimple_split_block): Ditto.
6535         (gimple_merge_blocks): Use gsi_start_phis.
6536         (move_stmt_r): Use walk_gimple_seq_mod.
6537         * tree-ssa-dse.c (dse_enter_block): Use gsi_last_bb.
6538         * cgraphbuild.c (build_cgraph_edges): Use gsi_start_phis.
6539         (rebuild_cgraph_edges): Ditto.
6540         (cgraph_rebuild_references): Ditto.
6541         * ipa-prop.c (ipa_analyze_params_uses): Ditto.
6542         * tree-inline.c (copy_phis_for_bb): Ditto.
6543         * tree-ssa-dce.c: Ditto.
6544
6545         * cgraphunit.c (cgraph_analyze_function): Use gimple_has_body_p.
6546
6547 2012-05-02  Kirill Yukhin  <kirill.yukhin@intel.com>
6548             Andi Kleen <ak@linux.intel.com>
6549
6550         * coretypes.h (MEMMODEL_MASK): New.
6551         * builtins.c (get_memmodel): Add val. Call target.memmodel_check
6552         and return new variable.
6553         (expand_builtin_atomic_exchange):  Mask memmodel values.
6554         (expand_builtin_atomic_compare_exchange): Ditto.
6555         (expand_builtin_atomic_load): Ditto.
6556         (expand_builtin_atomic_store): Ditto.
6557         (expand_builtin_atomic_clear): Ditto.
6558         * doc/extend.texi: Mention port-dependent memory model flags.
6559         * config/i386/cpuid.h (bit_HLE): New.
6560         * config/i386/driver-i386.c (host_detect_local_cpu): Detect
6561         HLE support.
6562         * config/i386/i386-protos.h (ix86_generate_hle_prefix): New.
6563         * config/i386/i386-c.c (ix86_target_macros_internal): Set HLE defines.
6564         (ix86_target_string)<-mhle>: New.
6565         (ix86_valid_target_attribute_inner_p) <OPT_mhle>: Ditto.
6566         * config/i386/i386.c (ix86_target_string) <OPTION_MASK_ISA_HLE>: New.
6567         (ix86_valid_target_attribute_inner_p) <OPT_mhle>: Ditto.
6568         (ix86_option_override_internal) <PTA_HLE>: New switch, set it
6569         enabled for generic, generic64 and core-avx2.
6570         (ix86_print_operand): Generate HLE lock prefixes.
6571         (ix86_memmodel_check): New.
6572         (TARGET_MEMMODEL_CHECK): Ditto.
6573         * config/i386/i386.h (OPTION_ISA_HLE): Ditto.
6574         (IX86_HLE_ACQUIRE): Ditto.
6575         (IX86_HLE_RELEASE): Ditto.
6576         * config/i386/i386.h (ix86_generate_hle_prefix): Ditto.
6577         * config/i386/i386.opt (mhle): Ditto.
6578         * config/i386/sync.md(atomic_compare_and_swap<mode>): Pass
6579         success model to instruction emitter.
6580         (atomic_fetch_add<mode>): Ditto.
6581         (atomic_exchange<mode>): Ditto.
6582         (atomic_add<mode>): Ditto.
6583         (atomic_sub<mode>): Ditto.
6584         (atomic_<code><mode>): Ditto.
6585         (*atomic_compare_and_swap_doubledi_pic): Ditto.
6586         (atomic_compare_and_swap_single<mode>): Define and use argument
6587         for success model.
6588         (atomic_compare_and_swap_double<mode>): Ditto.
6589         * configure.ac: Check if assembler support HLE prefixes.
6590         * configure: Regenerate.
6591         * config.in: Ditto.
6592
6593 2012-05-02  Steven Bosscher  <steven@gcc.gnu.org>
6594
6595         PR middle-end/53153
6596         * gimplify.c (preprocess_case_label_vec_for_gimple): New function,
6597         split out from ...
6598         (gimplify_switch_expr): ... here.
6599         * gimple.h (preprocess_case_label_vec_for_gimple): Add prototype.
6600         * tree-ssa-forwprop.c (simplify_gimple_switch_label_vec): New function
6601         to clean up case labels with values outside the index type range.
6602         (simplify_gimple_switch): Call it if something changed.
6603         Remove strange and unnecessary assert.
6604
6605 2012-05-02  Richard Guenther  <rguenther@suse.de>
6606
6607         * fold-const.c (div_if_zero_remainder): sizetypes no longer
6608         sign-extend.
6609         (int_const_binop_1): New worker for int_const_binop with
6610         overflowable parameter.  Pass it through to force_fit_type_double.
6611         (int_const_binop): Wrap around int_const_binop_1 with overflowable
6612         equal to one.
6613         (size_binop_loc): Call int_const_binop_1 with overflowable equal
6614         to minus one, forcing overflow detection for even unsigned types.
6615         (extract_muldiv_1): Remove bogus TYPE_IS_SIZETYPE special-casing.
6616         (fold_binary_loc): Call try_move_mult_to_index with signed offset.
6617         * stor-layout.c (initialize_sizetypes): sizetypes no longer
6618         sign-extend.
6619         (layout_type): For zero-sized arrays ignore overflow on the
6620         size calculations.
6621         * tree-ssa-ccp.c (bit_value_unop_1): Likewise.
6622         (bit_value_binop_1): Likewise.
6623         * tree.c (double_int_to_tree): Likewise.
6624         (double_int_fits_to_tree_p): Likewise.
6625         (force_fit_type_double): Likewise.
6626         (host_integerp): Likewise.
6627         (int_fits_type_p): Likewise.
6628         * varasm.c (output_constructor_regular_field): Sign-extend the
6629         field-offset to cater for negative offsets produced by the Ada
6630         frontend.
6631         * omp-low.c (extract_omp_for_data): Convert the loop step to
6632         signed for pointer adjustments.
6633
6634 2012-05-02  Richard Guenther  <rguenther@suse.de>
6635
6636         * tree.c (valid_constant_size_p): New function.
6637         * tree.h (valid_constant_size_p): Declare.
6638         * cfgexpand.c (expand_one_var): Adjust check for too large
6639         variables by using valid_constant_size_p.
6640         * varasm.c (assemble_variable): Likewise.
6641
6642         * c-decl.c (grokdeclarator): Properly check for sizes that
6643         cover more than half of the address-space.
6644
6645 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
6646
6647         PR tree-optimization/53163
6648         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
6649         return value from compute_all_dependences.
6650
6651         PR rtl-optimization/53160
6652         * ree.c (combine_reaching_defs): Handle the case where cand->insn
6653         has been modified by ree pass already.
6654
6655 2012-05-01  Ian Lance Taylor  <iant@google.com>
6656
6657         PR c/37303
6658         * c-decl.c (build_compound_literal): Make the decl readonly if it
6659         an array of a readonly type.
6660         * gimplify.c (gimplify_compound_literal_expr): Add fallback
6661         parameter.  Change all callers.  If the decl is not addressable
6662         and is not an l-value, make it readonly.
6663
6664 2012-05-01  Bernd Schmidt  <bernds@codesourcery.com>
6665
6666         * ira.c (allocated_reg_info_size): New static variable.
6667         (expand_reg_info): Manage it. Call
6668         setup_preferred_alternate_classes_for_new_pseudos.
6669         (ira): Don't do it here.  Remove local allocated_reg_info_size,
6670         set the global before calling find_moveable_pseudos.
6671         (find_moveable_pseudos): Call expand_reg_info rather than
6672         resize_reg_info.
6673
6674 2012-05-01  Richard Henderson  <rth@redhat.com>
6675
6676         * common.opt (fsync-libcalls): New.
6677         * doc/invoke.texi: Document it.
6678         * optabs.c (init_sync_libfuncs): Honor it.
6679
6680 2012-05-01  Kenneth Zadeck  <zadeck@naturalbridge.com>
6681             Richard Sandiford  <r.sandiford@uk.ibm.com>
6682
6683         PR rtl-optimization/52543
6684         * Makefile.in (lower-subreg.o, target-globals.o): Depend on
6685         lower-subreg.h.
6686         * lower-subreg.h: New file.
6687         * target-globals.h (this_target_lower_subreg): Declare.
6688         (target_globals): Add lower_subreg;
6689         (restore_target_globals): Restore this_target_lower_subreg.
6690         * target-globals.c: Include it.
6691         (default_target_globals): Add default_target_lower_subreg.
6692         (save_target_globals): Initialize target_lower_subreg.
6693         * rtl.h (init_lower_subreg): Added declaration.
6694         * toplev.c (backend_init_target): Call initializer for lower-subreg
6695         pass.
6696         * lower-subreg.c (LOG_COSTS, FORCE_LOWERING): New macros.
6697         (default_target_lower_subreg): New variable.
6698         (this_target_lower_subreg): Likewise.
6699         (twice_word_mode, choices): New macros.
6700         (shift_cost, compute_splitting_shift, compute_costs)
6701         (init_lower_subreg): New functions.
6702         (resolve_simple_move): Add speed_p argument.  Check choices.
6703         (find_pseudo_copy): Don't check the mode size here.
6704         (resolve_simple_move): Assert the mode size.
6705         (find_decomposable_shift_zext): Add speed_p argument and return
6706         a bool.  Check choices.
6707         (resolve_shift_zext): Add comment.
6708         (dump_shift_choices, dump_choices): New functions.
6709         (decompose_multiword_subregs): Dump list of profitable
6710         transformations.  Add code to skip non profitable transformations.
6711         Update calls to simple_move and find_decomposable_shift_zext.
6712
6713 2012-05-01  Ian Bolton  <ian.bolton@arm.com>
6714             Sameera Deshpande  <sameera.deshpande@arm.com>
6715             Greta Yorsh  <greta.yorsh@arm.com>
6716
6717         * config/arm/arm-protos.h (thumb_unexpanded_epilogue): Rename to...
6718         (thumb1_unexpanded_epilogue): ...this.
6719         * config/arm/arm.c (thumb_unexpanded_epilogue): Rename to...
6720         (thumb1_unexpanded_epilogue): ...this.
6721         * config/arm/arm.md (thumb_unexpanded_epilogue): Rename to...
6722         (thumb1_unexpanded_epilogue): ...this.
6723
6724 2012-05-01  Richard Earnshaw  <rearnsha@arm.com>
6725
6726         * arm/linux-eabi.h (GLIBC_DYNAMIC_LINKER_DEFAULT): Avoid ifdef
6727         comparing enumeration values.  Update comments.
6728
6729 2012-05-01  Alan Modra  <amodra@gmail.com>
6730
6731         PR target/53038
6732         * config/rs6000/rs6000.c (load_lr_save, restore_saved_lr,
6733         load_cr_save, add_crlr_cfa_restore): New functions.
6734         (rs6000_restore_saved_cr): Rename to..
6735         (restore_saved_cr): ..this.  Add cfa_restore notes for cr.
6736         (rs6000_emit_epilogue): Use new functions.  Adjust condition
6737         for emitting lr and cr cfa_restore.  Emit cfa_restores for fp
6738         regs when using out-of-line restore only when shrink wrapping.
6739
6740 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
6741
6742         PR middle-end/53136
6743         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
6744         calls to cgraph_node_name in xstrdup.
6745         (ipa_make_edge_direct_to_target): Ditto.
6746         * cgraph.c (dump_cgraph_node): Ditto.
6747         * tree-sra.c (convert_callers_for_node): Ditto.
6748         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
6749         * ipa-cp.c (perhaps_add_new_callers): Ditto.
6750         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
6751         (cgraph_materialize_all_clones): Ditto.
6752         * ipa-inline.c (report_inline_failed_reason): Ditto.
6753         (want_early_inline_function_p): Ditto.
6754         (edge_badness): Ditto.
6755         (update_edge_key): Ditto.
6756         (flatten_function): Ditto.
6757         (ipa_inline): Ditto.
6758         (inline_always_inline_functions): Ditto.
6759         (early_inline_small_functions): Ditto.
6760
6761 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
6762
6763         PR target/53141
6764         * config/i386/i386.md (*umul<mode><dwi>3_1): Switch places of
6765         constraints 0 and 1.
6766
6767 012-04-30  Jan Hubicka  <jh@suse.cz>
6768
6769         * cgraph.c (ld_plugin_symbol_resolution_names): Move to symtab.c
6770         (cgraph_asm_nodes, cgraph_asm_last_node): Move to cgraphunit.c
6771         (cgraph_add_to_same_comdat_group): Remove.
6772         (cgraph_add_asm_node): Move to cgraphunit.c.
6773         (cgraph_make_decl_local): Move to symtab.c
6774         (cgraph_make_node_local_1): Update.
6775         (cgraph_can_remove_if_no_direct_calls_and): Update.
6776         (used_from_object_file_p): Update.
6777         (resolution_used_from_other_file_p): Move to symtab.c
6778         (cgraph_used_from_object_file_p): move to symtab.c
6779         (verify_cgraph_node): Verify same comdat groups.
6780         * cgraph.h (cgraph_asm_node): Rename to ...
6781         (asm_node): ... this one.
6782         (cgraph_asm_nodes): Rename to ...
6783         (asm_nodes): ... this one.
6784         (symtab_add_to_same_comdat_group): New function.
6785         (symtab_dissolve_same_comdat_group_list): New function.
6786         (symtab_used_from_object_file_p): Declare.
6787         (symtab_make_decl_local): Declare.
6788         (cgraph_add_to_same_comdat_group): Remove.
6789         (cgraph_add_asm_node): Remove.
6790         (cgraph_used_from_object_file_p, varpool_used_from_object_file_p):
6791         Remove.
6792         (cgraph_finalize_compilation_unit): Rename to ...
6793         (finalize_compilation_unit): ... this one.
6794         (cgraph_optimize): Rename to ....
6795         (compile): ... this one.
6796         (add_asm_node): Declare.
6797         (fixup_same_cpp_alias_visibility): Declare.
6798         (cgraph_make_decl_local): Remove.
6799         (varpool_assemble_pending_decls): Rename to ...
6800         (varpool_output_variables): ... this one.
6801         (varpool_remove_unreferenced_decls): Remove.
6802         * ipa-inline-transform.c (clone_inlined_nodes): Dissolve comdat groups.
6803         (preserve_function_body_p): Make static.
6804         * toplev.c (compile_file): Update comments; update.
6805         * cgraphunit.c: Update comments.
6806         (cgraph_expand_all_functions): Rename to ...
6807         (expand_all_functions): ... this one; update.
6808         (cgraph_mark_functions_to_output): Rename to ...
6809         (mark_functions_to_output): ... this one; cleanup.
6810         (cgraph_output_pending_asms): Remove prototype.
6811         (asm_nodes, asm_last_node): New static vars.
6812         (cgraph_process_new_functions): Update.
6813         (cgraph_reset_node): Cleanup; add comment.
6814         (cgraph_add_new_function): Update.
6815         (cgraph_output_pending_asms): Rename to ...
6816         (output_asm_statements): ... this one.
6817         (add_asm_node): New function.
6818         (fixup_same_cpp_alias_visibility): New function based on code
6819         in cgraph_analyze_function.
6820         (cgraph_analyze_function): Use it.
6821         (cgraph_order_sort): Update.
6822         (cgraph_output_in_order): Update.
6823         (cgraph_function_versioning): Update.
6824         (cgraph_optimize): Rename to ...
6825         (compile): ... this one; initialize streamer hooks here.
6826         (cgraph_finalize_compilation_unit): Rename to ...
6827         (finalize_compilation_unit): ... this one; do not initialize streamer
6828         hook here.
6829         * lto-streamer-out.c (lto_output_toplevel_asms): Update.
6830         * dwarf2out.c: Update ocmment.
6831         * optimize.c (maybe_clone_body): Use symtab_add_to_same_comdat_group.
6832         * method.c (use_thunk): Likewise.
6833         * semantics.c (maybe_add_lambda_conv_op): Likewise.
6834         * decl2.c (maybe_emit_vtables): Likewise.
6835         (cp_write_global_declarations): Use finalize_compilation_unit.
6836         * parser.c (cp_parser_asm_definition): Use add_asm_node.
6837         * lto-streamer-in.c (lto_input_toplevel_asms): Use add_asm_node
6838         * c-decl.c (c_write_global_declarations): Use
6839         finalize_compilation_unit.
6840         * langhooks.c (write_global_declarations): Update.
6841         * ipa.c (cgraph_externally_visible_p): Update.
6842         (dissolve_same_comdat_group_list): Remove.
6843         (function_and_variable_visibility): Update.
6844         * symtab.c: Inlcude lto-streamer.h and rtl.h
6845         (ld_plugin_symbol_resolution_names): New.
6846         (symtab_add_to_same_comdat_group): New.
6847         (symtab_dissolve_same_comdat_group_list): New.
6848         (resolution_used_from_other_file_p): Move here from cgraph.c
6849         (symtab_used_from_object_file_p): New.
6850         (symtab_make_decl_local): New.
6851         * passes.c (register_pass): Update comments.
6852         * c-parser.c (c_parser_asm_definition): Update.
6853         * varpool.c (varpool_analyze_node): Use
6854         fixup_same_cpp_alias_visibility.
6855         (varpool_remove_unreferenced_decls): Make static.
6856         (varpool_assemble_pending_decls): Rename to ...
6857         (varpool_output_variables): ... this one; call
6858         varpool_remove_unreferenced_decls.
6859         (varpool_used_from_object_file_p): Remove.
6860
6861 2012-04-30  Marc Glisse  <marc.glisse@inria.fr>
6862
6863         PR c++/51033
6864         * c-typeck.c (build_array_ref): Call
6865         convert_vector_to_pointer_for_subscript.
6866         * doc/extend.texi (Vector Extensions): Subscripting not just for C.
6867
6868 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
6869
6870         * config/i386/i386.md (and<mode>3): Change runtime operand mode checks
6871         to compile-time "mode == <MODE>mode" checks.
6872         (and splitter): Ditto.
6873
6874 2012-04-30  Richard Henderson  <rth@redhat.com>
6875
6876         * config/arm/arm.md (UNSPEC_LL): New.
6877         * config/arm/sync.md (atomic_loaddi, atomic_loaddi_1): New.
6878         (arm_load_exclusivedi): Use %H0.
6879
6880 2012-04-30  Jason Merrill  <jason@redhat.com>
6881
6882         * dwarf2out.c (comdat_symbol_id): Add const.
6883         (union die_symbol_or_type_node): Add const to die_symbol.
6884         (output_die_symbol, output_die, output_comp_unit): Adjust.
6885
6886 2012-04-30  Andrew Stubbs  <ams@codesourcery.com>
6887
6888         * config/arm/arm.md (negdi2): Use gen_negdi2_neon.
6889         * config/arm/neon.md (negdi2_neon): New insn.
6890         Also add splitters for core and NEON registers.
6891
6892 2012-04-30  Andrew Stubbs  <ams@codesourcery.com>
6893
6894         * config/arm/arm.c (neon_valid_immediate): Allow const_int.
6895         (arm_print_operand): Add 'x' format.
6896         * config/arm/constraints.md (Dn): Allow const_int.
6897         * config/arm/neon.md (neon_mov<mode>): Use VDX to allow DImode.
6898         Use 'x' format to print constants.
6899         * config/arm/predicates.md (imm_for_neon_mov_operand): Allow const_int.
6900         * config/arm/vfp.md (movdi_vfp): Disable for const_int when neon
6901         is enabled.
6902         (movdi_vfp_cortexa8): Likewise.
6903
6904 2012-04-30  Ian Bolton  <ian.bolton@arm.com>
6905             Sameera Deshpande  <sameera.deshpande@arm.com>
6906             Greta Yorsh  <greta.yorsh@arm.com>
6907
6908         * config/arm/arm-protos.h (ldm_stm_operation_p): New declaration.
6909         * config/arm/arm.c (ldm_stm_operation_p): New function.
6910         * config/arm/predicates.md (load_multiple_operation): Update predicate.
6911         (store_multiple_operation): Likewise.
6912
6913         * config/arm/arm-protos.h (ldm_stm_operation_p): New parameters.
6914         * config/arm/arm.c (ldm_stm_operation_p): New parameters.
6915         * config/arm/predicates.md (load_multiple_operation): Add arguments.
6916         (store_multiple_operation): Likewise.
6917
6918 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
6919
6920         * config/i386/i386.md (and<mode>3): Expand masking operations with
6921         0xff, 0xffff or 0xffffffff immediates to corresponding zero_extend RTX.
6922         (and splitter): Split to DImode zero_extend RTX for DImode operand[0].
6923
6924 2012-04-30  Dodji Seketeli  <dodji@redhat.com>
6925
6926         Add -Wvarargs option
6927         * builtins.c (fold_builtin_next_arg):  Use OPT_Wvarargs as an
6928         argument for the various warning_at calls.
6929         * docs/invoke.texi: Update the documentation.
6930
6931 2012-04-30  Dodji Seketeli  <dodji@redhat.com>
6932
6933         Switch -ftrack-macro-expansion=2 on by default.
6934         * docs/cppopts.texi: Adjust for enabling -ftrack-macro-expansion=2
6935         by default.
6936
6937         Fix va_start related location
6938         * builtins.c (fold_builtin_next_arg): Unwinds to the first
6939         location in real source code.
6940
6941         Make conversion warnings work on NULL with -ftrack-macro-expansion
6942         * input.h (expansion_point_location_if_in_system_header): Declare
6943         new function.
6944         * input.c (expansion_point_location_if_in_system_header): Define it.
6945
6946         Fix -Wuninitialized for -ftrack-macro-expansion
6947         * tree-ssa.c (warn_uninit): Use the spelling location of the variable
6948         declaration.  Use linemap_location_before_p for source locations.
6949
6950         Strip "<built-in>" loc from displayed expansion context
6951         * input.c (expand_location_1): When expanding to spelling location
6952         in a context of a macro expansion, skip reserved system header
6953         locations.  Update comments.  * tree-diagnostic.c
6954         (maybe_unwind_expanded_macro_loc): Likewise.
6955
6956         Make expand_location resolve to locus in main source file
6957         * input.c (expand_location_1): New.  Takes a parameter to choose
6958         whether to resolve the location to spelling or expansion point.
6959         Was factorized from ...
6960         (expand_location): ... here.
6961         (expand_location_to_spelling_point): New.  Implemented in terms of
6962         expand_location_1.
6963         * diagnostic.c (diagnostic_build_prefix): Use the new
6964         expand_location_to_spelling_point instead of expand_location.
6965
6966         Fix PCH crash on GTYed pointer-to-scalar field of a struct
6967         * gengtype.c (write_types_process_field): Force second argument of
6968         the call to the PCH object hierarchy walker to be 'x'.
6969
6970 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
6971
6972         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
6973         predicate to discriminate types.
6974
6975 2012-04-30  Manuel López-Ibáñez  <manu@gcc.gnu.org>
6976
6977         * doc/invoke.texi (Wmissing-format-attribute): Document as an
6978         alias of Wsuggest-attribute=format.
6979         * c-typeck.c (convert_for_assignment): Replace
6980         Wmissing-format-attribute with Wsuggest-attribute=format.
6981         (digest_init): Likewise.
6982
6983 2012-04-29  Manuel López-Ibáñez  <manu@gcc.gnu.org>
6984
6985         * opts.c (finish_options): Do not handle -Wmissing-noreturn here.
6986         * common.opt (Wmissing-noreturn): Alias of
6987         -Wsuggest-attribute=noreturn.
6988
6989 2012-04-29  Hans-Peter Nilsson  <hp@axis.com>
6990
6991         PR target/53156
6992         * config/cris/cris.md (andqu): New peephole2.
6993         (andu): Tweak head comment.
6994
6995 2012-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
6996             Steven Bosscher  <steven@gcc.gnu.org>
6997             Maxim Kuvyrkov  <maxim@codesourcery.com>
6998
6999         PR tree-optimization/38785
7000         * common.opt (ftree-partial-pre): New option.
7001         * doc/invoke.texi: Document it.
7002         * opts.c (default_options_table): Initialize flag_tree_partial_pre.
7003         * tree-ssa-pre.c (do_partial_partial_insertion): Insert only if it will
7004         benefit speed path.
7005         (execute_pre): Use flag_tree_partial_pre.
7006
7007 2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7008
7009         PR target/52999
7010         * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
7011         in constant pool.
7012
7013 2012-04-27  Ollie Wild  <aaw@google.com>
7014
7015         * doc/invoke.texi (Wliteral-suffix): Document new option.
7016
7017 2012-04-27  Tom Tromey  <tromey@redhat.com>
7018
7019         * dwarf2out.c (dwarf_stack_op_name): Use get_DW_OP_name.
7020         (dwarf_tag_name): Use get_DW_TAG_name.
7021         (dwarf_attr_name): Use get_DW_AT_name.
7022         (dwarf_form_name): Use get_DW_FORM_name.
7023         * dwarf2cfi.c (dwarf_cfi_name): Use get_DW_CFA_name.
7024
7025 2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
7026
7027         * tree-ssa-phiopt.c (conditional_replacement): Replace PHIs whose
7028         arguments are -1 and 0, by negating the result of the conditional.
7029
7030 2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
7031
7032         PR target/53138
7033         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
7034
7035 2012-04-27  Richard Guenther  <rguenther@suse.de>
7036
7037         * tree-flow.h (is_hidden_global_store): Remove.
7038         * tree-ssa-sink.c (is_hidden_global_store): Likewise.
7039         * tree-ssa-alias.h (ref_may_alias_global_p): Declare.
7040         (stmt_may_clobber_global_p): Likewise.
7041         * tree-ssa-alias.c (ref_may_alias_global_p): New function.
7042         (stmt_may_clobber_global_p): Likewise.
7043         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Call
7044         stmt_may_clobber_global_p.
7045         * tree-ssa-dse.c (dse_possible_dead_store_p): Likewise.
7046
7047 2012-04-27  Steven Bosscher  <steven@gcc.gnu.org>
7048
7049         * cfg.c (disconnect_src): Do df_mark_solutions_dirty in the right
7050         place.
7051
7052         * tree-switch-conversion.c (struct switch_conv_info): Add range_max,
7053         reorganize some fields and update comments.  Rename bit_test_uniq
7054         and bit_test_count to uniq resp. count.  Remove bit_test_bb.
7055         (collect_switch_conv_info): New function, collects info about a
7056         GIMPLE_SWITCH into a struct switch_conv_info.
7057         (check_range): Simplify to use pre-recorded info.  Fix think-o in
7058         range-branch ratio check.
7059         (check_process_case): Remove function.
7060         (check_all_empty_except_final): New function, verifies that all
7061         non-final basic blocks are empty.
7062         (process_switch): Simplify to use pre-recorded info.  Call
7063         collect_switch_conv_info to do that.  Assert that degenerate switch
7064         statements have been cleaned up.
7065
7066 2012-04-27  Marc Glisse  <marc.glisse@inria.fr>
7067
7068         PR middle-end/27139
7069         * tree-ssa-forwprop.c (combine_conversions): Handle INT->FP->INT.
7070
7071 2012-04-25  Manuel López-Ibáñez  <manu@gcc.gnu.org>
7072
7073         PR c/53130
7074         * c-typeck.c (pop_init_level): Use %qD instead of %qT.
7075
7076 2012-04-27  Tom de Vries  <tom@codesourcery.com>
7077
7078         PR tree-optimization/51879
7079         * tree-ssa-sccvn.h (struct vn_reference_s): Add result_vdef field.
7080         * tree-ssa-sccvn.c (mark_use_processed): New function, factored out
7081         of ...
7082         (defs_to_varying): ... here.  Don't set use_processed.
7083         (visit_reference_op_call): Handle gimple_vdef.
7084         Handle case that lhs is NULL_TREE.
7085         (visit_use): Use mark_use_processed.  Handle calls with side-effect
7086         using visit_reference_op_call.
7087
7088 2012-04-26  Richard Sandiford  <richard.sandiford@linaro.org>
7089
7090         * sched-deps.c (fixup_sched_groups): Rename to...
7091         (chain_to_prev_insn): ...this.
7092         (chain_to_prev_insn_p): New function.
7093         (deps_analyze_insn): Use it instead of SCHED_GROUP_P.
7094
7095 2012-04-26  Richard Sandiford  <richard.sandiford@linaro.org>
7096
7097         * sched-int.h (_haifa_insn_data): Move priority_status.
7098         Add model_index.
7099         (INSN_MODEL_INDEX): New macro.
7100         * haifa-sched.c (insn_delay): New function.
7101         (sched_regno_pressure_class): Update commentary.
7102         (mark_regno_birth_or_death): Pass the liveness bitmap and
7103         pressure array as arguments, instead of using curr_reg_live and
7104         curr_reg_pressure.  Only update the pressure if the bit in the
7105         liveness set has changed.
7106         (initiate_reg_pressure_info): Always trust the live-in set for
7107         SCHED_PRESSURE_MODEL.
7108         (initiate_bb_reg_pressure_info): Update call to
7109         mark_regno_birth_or_death.
7110         (dep_list_size): Take the list as argument.
7111         (calculate_reg_deaths): New function, extracted from...
7112         (setup_insn_reg_pressure_info): ...here.
7113         (MODEL_BAR): New macro.
7114         (model_pressure_data, model_insn_info, model_pressure_limit)
7115         (model_pressure_group): New structures.
7116         (model_schedule, model_worklist, model_insns, model_num_insns)
7117         (model_curr_point, model_before_pressure, model_next_priority):
7118         New variables.
7119         (MODEL_PRESSURE_DATA, MODEL_MAX_PRESSURE, MODEL_REF_PRESSURE)
7120         (MODEL_INSN_INFO, MODEL_INSN): New macros.
7121         (model_index, model_update_limit_points_in_group): New functions.
7122         (model_update_limit_points, model_last_use_except): Likewise.
7123         (model_start_update_pressure, model_update_pressure): Likewise.
7124         (model_recompute, model_spill_cost, model_excess_group_cost): Likewise.
7125         (model_excess_cost, model_dump_pressure_points): Likewise.
7126         (model_set_excess_costs): Likewise.
7127         (rank_for_schedule): Extend SCHED_PRIORITY_WEIGHTED ordering to
7128         SCHED_PRIORITY_MODEL.  Use insn_delay.  Use the order in the model
7129         schedule as an alternative tie-breaker.  Update the call to
7130         dep_list_size.
7131         (ready_sort): Call model_set_excess_costs.
7132         (update_register_pressure): Update call to mark_regno_birth_or_death.
7133         Rely on that function to check liveness rather than doing it here.
7134         (model_classify_pressure, model_order_p, model_add_to_worklist_at)
7135         (model_remove_from_worklist, model_add_to_worklist, model_promote_insn)
7136         (model_add_to_schedule, model_analyze_insns, model_init_pressure_group)
7137         (model_record_pressure, model_record_pressures): New functions.
7138         (model_record_final_pressures, model_add_successors_to_worklist)
7139         (model_promote_predecessors, model_choose_insn): Likewise.
7140         (model_reset_queue_indices, model_dump_pressure_summary): Likewise.
7141         (model_start_schedule, model_finalize_pressure_group): Likewise.
7142         (model_end_schedule): Likewise.
7143         (schedule_insn): Say when we're scheduling the next instruction
7144         in the model schedule.
7145         (schedule_insn): Handle SCHED_PRESSURE_MODEL.
7146         (queue_to_ready): Do not add instructions that are
7147         MAX_SCHED_READY_INSNS beyond the current point of the model schedule.
7148         Always allow the next instruction in the model schedule to be added.
7149         (debug_ready_list): Print the INSN_REG_PRESSURE_EXCESS_COST_CHANGE
7150         and delay for SCHED_PRESSURE_MODEL too.
7151         (prune_ready_list): Extend SCHED_PRIORITY_WEIGHTED handling to
7152         SCHED_PRIORITY_MODEL, but also take the DFA into account.
7153         (schedule_block): Call model_start_schedule and model_end_schedule.
7154         Extend SCHED_PRIORITY_WEIGHTED stall handling to SCHED_PRIORITY_MODEL.
7155         (sched_init): Extend INSN_REG_PRESSURE_EXCESS_COST_CHANGE handling
7156         to SCHED_PRESSURE_MODEL, but don't allocate saved_reg_live or
7157         region_ref_regs.
7158         (sched_finish): Update accordingly.
7159         (fix_tick_ready): Extend INSN_REG_PRESSURE_EXCESS_COST_CHANGE handling
7160         to SCHED_PRESSURE_MODEL.
7161         (add_jump_dependencies): Update call to dep_list_size.
7162         (haifa_finish_h_i_d): Fix leak of max_reg_pressure.
7163         (haifa_init_insn): Extend INSN_REG_PRESSURE_EXCESS_COST_CHANGE handling
7164         to SCHED_PRESSURE_MODEL.
7165         * sched-deps.c (init_insn_reg_pressure_info): Likewise, but don't
7166         allocate INSN_MAX_REG_PRESSURE for SCHED_PRESSURE_MODEL.
7167         (sched_analyze_insn): Extend INSN_REG_PRESSURE_EXCESS_COST_CHANGE
7168         handling to SCHED_PRESSURE_MODEL.
7169
7170 2012-04-26  Richard Sandiford  <richard.sandiford@linaro.org>
7171
7172         * common.opt (fsched-pressure-algorithm=): New option.
7173         * flag-types.h (sched_pressure_algorithm): New enum.
7174         * sched-int.h (sched_pressure_p): Replace with...
7175         (sched_pressure): ...this new variable.
7176         * haifa-sched.c (sched_pressure_p): Replace with...
7177         (sched_pressure): ...this new variable.
7178         (sched_regno_pressure_class, rank_for_schedule, ready_sort)
7179         (update_reg_and_insn_max_reg_pressure, schedule_insn)
7180         (debug_ready_list, prune_ready_list, schedule_block, sched_init)
7181         (sched_finish, fix_tick_ready, haifa_init_insn): Update accordingly.
7182         * sched-deps.c (init_insn_reg_pressure_info): Likewise.
7183         (sched_analyze_insn): Likewise.
7184         * sched-rgn.c (schedule_region): Likewise.
7185         * config/m68k/m68k.c (m68k_sched_variable_issue): Likewise.
7186
7187 2012-04-26  Bernd Schmidt  <bernds@codesourcery.com>
7188
7189         * PR middle-end/52997
7190         * ira.c (find_moveable_pseudos): Call resize_reg_info.
7191
7192         PR middle-end/52940
7193         * machmode.h (CLASS_HAS_WIDER_MODES_P): True for MODE_PARTIAL_INT.
7194         * expr.c (convert_move): Honor unsignedp when extending partial int
7195         modes.
7196         * genmodes.c (complete_mode): Don't clear component field of partial
7197         int modes.
7198         (emit_mode_inner): Don't emit it however.
7199         (calc_wider_mode): Partial int modes widen to their component.
7200
7201 2012-04-26  David S. Miller  <davem@davemloft.net>
7202
7203         * config/sparc/niagara4.md: New file.
7204         * config/sparc/sparc.md: Include it.
7205         * config/sparc/sparc.c (niagara4_costs): New processor costs.
7206         (sparc_option_override): Use it.
7207         (sparc_use_sched_lookahead): Return 2 for niagara4.
7208         (sparc_issue_rate): Likewise.
7209
7210         * config/sparc/sparc.md (attr type): Delete 'fgm_cmp'.
7211         (fpack16_vis, fpackfix_vis, fpack32_vis): Set type to fgm_pack.
7212         (fmul8x16_vis, fmul8x16au_vis, fmul8x16al_vis, fmul8sux16_vis,
7213         fmul8ulx16_vis, fmuld8sux16_vis, fmuld8ulx16_vis): Set type to fgm_mul.
7214         (alignaddrsi_vis, alignaddrdi_vis, alignaddrlsi_vis,
7215         alignaddrldi_vis): Set type to gsr.
7216         (pdist_vis, pdistn<mode>_vis): Set type to fgm_pdsit.
7217         (fcmp<code><GCM:gcm_name><P:mode>_vis, cmask8<P:mode>_vis,
7218         cmask16<P:mode>_vis, cmask32<P:mode>_vis, fchksm16_vis,
7219         v<vis3_shift_patname><mode>3, fmean16_vis,
7220         fp<plusminus_insn>64_vis, <vis3_addsub_ss_patname><mode>3,
7221         fucmp<code>8<P:mode>_vis): Set type to fga.
7222         * config/sparc/ultra1_2.md: Remove refrences to fgm_cmp.
7223         * config/sparc/niagara.md: Likewise.
7224         * config/sparc/niagara2.md: Likewise.
7225         * config/sparc/ultra3.md: Likewise, and fix type matching for
7226         us3_ialuX reservation.
7227
7228 2012-04-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
7229
7230         * reload.c (find_reloads): Change the loop nesting when trying an
7231         alternative with swapped operands.
7232
7233 2012-04-26  Manuel López-Ibáñez  <manu@gcc.gnu.org>
7234
7235         * tree-diagnostic.c (maybe_unwind_expanded_macro_loc): Fix
7236         comment. Delete unused parameter first_exp_point_map.
7237         (virt_loc_aware_diagnostic_finalizer): Update call.
7238
7239 2012-04-26  Michael Hope  <michael.hope@linaro.org>
7240             Richard Earnshaw  <rearnsha@arm.com>
7241
7242         * config/arm/linux-eabi.h (GLIBC_DYNAMIC_LINKER_SOFT_FLOAT): Define.
7243         (GLIBC_DYNAMIC_LINKER_HARD_FLOAT): Define.
7244         (GLIBC_DYNAMIC_LINKER_DEFAULT): Define.
7245         (GLIBC_DYNAMIC_LINKER): Redefine to use the hard float path.
7246
7247 2012-04-25  Sriraman Tallam  <tmsriram@google.com>
7248
7249         * doc/extend.texi: Document avx2 support.
7250         * config/i386/i386.c (fold_builtin_cpu): Add avx2.
7251
7252 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
7253
7254         PR target/53120
7255         * config/cris/cris.md ("*andhi_lowpart_v32")
7256         ("*andqi_lowpart_v32"): Change first input-only operand from
7257         a (match_operand ...) to (match_dup 0).  Drop alternatives with
7258         const_int-matching constraints for redundancy.
7259         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
7260         three-operand alternative.
7261
7262 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
7263
7264         PR target/53110
7265         * config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
7266         instead expand it as zero extension.
7267
7268 2012-04-25  H.J. Lu  <hongjiu.lu@intel.com>
7269
7270         PR debug/52857
7271         * dwarf2out.c (dbx_reg_number): Assert return value != INVALID_REGNUM.
7272
7273 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
7274
7275         * common.opt (flag_debug_types_section): Default to 0.
7276         (dwarf_version): Default to 4.
7277         (dwarf_record_gcc_switches): Default to 1.
7278         (dwarf_strict): Default to 0.
7279         * toplev.c (process_options): Don't handle dwarf_strict
7280         or dwarf_version here.
7281         * config/vxworks.c (vxworks_override_options): Don't
7282         test whether dwarf_strict or dwarf_version are negative,
7283         instead test !global_options_set.x_dwarf_*.
7284         * config/darwin.c (darwin_override_options): Default to
7285         dwarf_version 2.
7286         * doc/invoke.texi: Note that -gdwarf-4, -grecord-gcc-switches
7287         and -fno-debug-types-section are now the default.
7288
7289 2012-04-25  Jan Hubicka  <jh@suse.cz>
7290
7291         * cgraphunit.c: Update toplevel comment.
7292         (tree_rest_of_compilation): Merge into cgraph_expand_function.
7293         (cgraph_analyze_function): Make static.
7294         (cgraph_decide_is_function_needed): Make static.
7295         (cgraph_add_new_function): Use expand_function instead of
7296         rest_of_compilation.
7297         (clone_of_p, verify_edge_count_and_frequency, cgraph_debug_gimple_stmt,
7298         verify_edge_corresponds_to_fndecl, verify_cgraph_node, verify_cgraph):
7299         Move to cgraph.c
7300         (cgraph_inline_p): Remove.
7301         (cgraph_preserve_function_body_p): Move to ipa-inline-transform.
7302         (init_cgraph): Add comment.
7303         * cgraphbuild.c (record_reference, mark_address, mark_load,
7304         mark_store): Do not call analyze_expr hook.
7305         * cgraph.c: Update toplevel comment.
7306         (clone_of_p, verify_edge_count_and_frequency, cgraph_debug_gimple_stmt,
7307         verify_edge_corresponds_to_fndecl, verify_cgraph_node, verify_cgraph):
7308         Move fere from cgraphunit.c
7309         (cgraph_mark_force_output_node): Move to cgraph.h
7310         * cgraph.h: Reorder so the comments match the function placement.
7311         (cgraph_analyze_function, cgraph_decide_is_function_needed): Remove.
7312         (cgraph_mark_force_output_node): Move here from cgraph.c
7313         * tree.c (free_lang_data): Do not clear analyze_expr hook.
7314         * ipa-inline-transform.c (preserve_function_body_p): New function.
7315         (inline_transform): Update.
7316         * langhooks.c (lhd_callgraph_analyze_expr): Remove.
7317         * langhooks.h (lang_hooks_for_callgraph): Remove.
7318         (lang_hooks): Remove callgraph.
7319         * tree-inline.c (expand_call_inline): Do not use cgraph_inline_p.
7320         * varpool.c: Remove out of date comment.
7321         * langhooks-def.h (lhd_callgraph_analyze_expr): Remove.
7322         (LANG_HOOKS_CALLGRAPH_ANALYZE_EXPR): Remove.
7323
7324 2012-04-25  Jan Hubicka  <jh@suse.cz>
7325
7326         PR middle-end/53089
7327         * cgraphunit.c (referred_to_p): Move ahead in file to avoid
7328         forward declaration.
7329         (cgraph_finalize_function): Finalize them here.
7330         * symtab.c (dump_symtab): Dump ctors and dtors.
7331
7332 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
7333
7334         PR middle-end/52979
7335         * stor-layout.c (get_best_mode): Don't return mode with bitsize
7336         larger than maxbits.  Don't compute maxbits modulo align.
7337         Also check that unit bytes long store at bitpos / unit * unit
7338         doesn't affect bits beyond bitregion_end.
7339         * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
7340         would not fit into bitregion_start ... bitregion_end + 1 bit region.
7341         (store_split_bit_field): Decrease unit close to end of bitregion_end
7342         if access is restricted in order to avoid mutual recursion.
7343
7344         PR tree-optimization/53058
7345         * double-int.h (double_int_max_value, double_int_min_value): New
7346         prototypes.
7347         * double-int.c (double_int_max_value, double_int_min_value): New
7348         functions.
7349         * tree-vrp.c (register_edge_assert_for_2): Compare mask for LE_EXPR
7350         or GT_EXPR with double_int_max_value instead of double_int_mask.
7351
7352 2012-04-25  Richard Guenther  <rguenther@suse.de>
7353
7354         * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
7355         * tree-vect-loop.c (vect_transform_loop): Adjust.
7356         * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): Record
7357         the maximum number of iterations for the epilogue loop.
7358         (vect_loop_versioning): Remove case re-using the peeled epilogue loop.
7359
7360 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
7361
7362         PR c/52880
7363         * c-typeck.c (set_nonincremental_init,
7364         set_nonincremental_init_from_string): Pass true instead of false
7365         as IMPLICIT to add_pending_init.
7366
7367 2012-04-25  Manuel López-Ibáñez  <manu@gcc.gnu.org>
7368
7369         * c-typeck.c (pop_init_level): Improve diagnostics.
7370
7371 2012-04-25  Uros Bizjak  <ubizjak@gmail.com>
7372
7373         * compare-elim.c (try_eliminate_compare): Also handle operands with
7374         implicit extensions.
7375
7376 2012-04-25  Alan Modra  <amodra@gmail.com>
7377
7378         * config/rs6000/rs6000 (SAVE_INLINE_VRS, REST_INLINE_VRS,
7379         V_SAVE_INLINE, SAVRES_LR, SAVRES_SAVE, SAVRES_REG,
7380         SAVRES_GPR, SAVRES_FPR, SAVRES_VR): Define.
7381         (no_global_regs_above): Delete.
7382         (no_global_regs): New function.
7383         (rs6000_savres_strategy): Handle vector regs.  Use proper lr_save_p
7384         value for load multiple test.
7385         (savres_routine_syms): Increase size.
7386         (rs6000_savres_routine_name, rs6000_savres_routine_sym,
7387         ptr_regno_for_savres, rs6000_emit_savres_rtx): Pass in int selector
7388         rather than a number of boolean flags.  Update all callers.
7389         (rs6000_savres_routine_name): Generate vector save/restore names.
7390         (rs6000_savres_routine_sym): Handle vector regs.  Delete forward decl.
7391         (ptr_regno_for_savres, rs6000_emit_savres_rtx): Likewise.
7392         (rs6000_emit_prologue): Delete saving_FPRs_inline, saving_GPRs_inline
7393         and using_store_multiple.  Expand uses.  Don't always use r11 as
7394         frame reg when needed for out-of-line saves.  Set up initial offset
7395         for out-of-line vector saves when buying stack frame.  Handle pointer
7396         reg setup for out-of-line fp save.  Emit call to out-of-line vector
7397         save function.  Choose r11 or r12 for vrsave reg when available for
7398         better scheduling.
7399         (rs6000_output_function_prologue): Don't emit .extern for ELF.
7400         (rs6000_emit_epilogue): Choose a better frame reg when restoring
7401         from back-chain to suit out-of-line vector restore functions.  Emit
7402         call to out-of-line vector restore function.  Adjust register used
7403         for cr restore.  Tweak pointer register setup for gpr restore.
7404         * config/rs6000/rs6000.h (FIRST_SAVED_GP_REGNO): Take into account
7405         FIXED_R13.
7406         * config/rs6000/sysv4.h (FP_SAVE_INLINE, GP_SAVE_INLINE): Simplify.
7407         (V_SAVE_INLINE): Define.
7408         * config/rs6000/altivec.md (save_vregs_*, restore_vregs_*): New insns.
7409
7410 2012-04-25  Alan Modra  <amodra@gmail.com>
7411
7412         * config/rs6000/rs6000.c (rs6000_savres_strategy): Allow
7413         out-of-line save/restore for large frames.  Don't disable
7414         out-of-line saves on ABI_AIX when using static chain reg.
7415         (rs6000_emit_prologue): Adjust cr_save_regno on ABI_AIX to not
7416         clobber static chain reg, and tweak for out-of-line gpr saves
7417         that use r1.
7418
7419 2012-04-25  Alan Modra  <amodra@gmail.com>
7420
7421         * config/rs6000/rs6000.c (START_USE, END_USE, NOT_INUSE): Define.
7422         (rs6000_emit_prologue): Use the above to catch register overlap.
7423
7424 2012-04-25  Alan Modra  <amodra@gmail.com>
7425
7426         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete forward
7427         decl.  Move logic selecting update reg to callers.  Update all callers.
7428         (rs6000_emit_allocate_stack): Add copy_off param.
7429         (emit_frame_save): Don't handle reg+reg addressing.
7430         (ptr_regno_for_savres): New function, extracted from..
7431         (rs6000_emit_savres_rtx): ..here.  Add lr_offset param.
7432         (rs6000_emit_prologue): Generate frame_ptr_rtx as we need it.
7433         Set frame_reg_rtx to r11 whenever r11 is needed, and merge
7434         frame offset adjustment for out-of-line save with copy from sp.
7435         Simplify condition controlling whether cr is saved early or
7436         late.  Use ptr_regno_for_savres to verify correct reg is set
7437         up for out-of-line saves.  Pass the actual pointer reg used to
7438         rs6000_emit_savres_rtx so rtl matches insns in out-of-line
7439         function.  Rearrange spe vars so code is similar to that
7440         elsewhere in this function.  Don't update frame_off when spe
7441         save code will restore r11.  Use emit_frame_save for spe and
7442         gpr saves.  Consolidate darwin out-of-line gpr setup with that
7443         for other abis.  Don't assume frame_offset is zero and frame
7444         reg is sp when setting up altivec reg saves, and calculate
7445         exact offset requirement.
7446         (rs6000_emit_epilogue): Use HOST_WIDE_INT for frame_off.  Tidy
7447         spe restore code.  Consolidate darwin out-of-line gpr setup
7448         with that for other abis.
7449
7450 2012-04-25  Alan Modra  <amodra@gmail.com>
7451
7452         * config/rs6000/rs6000.c (rs6000_frame_related): Don't emit a
7453         REG_FRAME_RELATED_EXPR note when the instruction exactly matches
7454         the replacement.
7455         (emit_frame_save): Delete frame_ptr param.  Rename total_size to
7456         frame_reg_to_sp.
7457         (rs6000_emit_prologue): Add sp_off.  Update rs6000_frame_related
7458         and emit_frame_save calls.  Cope with possibly missing note.
7459
7460 2012-04-24  Sriraman Tallam  <tmsriram@google.com>
7461
7462         * config/i386/i386.c (build_processor_model_struct): New function.
7463         (make_var_decl): New function.
7464         (fold_builtin_cpu): New function.
7465         (ix86_fold_builtin): New function.
7466         (make_cpu_type_builtin): New function.
7467         (ix86_init_platform_type_builtins): New function.
7468         (ix86_expand_builtin): Expand new builtins by folding them.
7469         (ix86_init_builtins): Make new builtins to detect CPU type.
7470         (TARGET_FOLD_BUILTIN): New macro.
7471         (IX86_BUILTIN_CPU_INIT): New enum value.
7472         (IX86_BUILTIN_CPU_IS): New enum value.
7473         (IX86_BUILTIN_CPU_SUPPORTS): New enum value.
7474         * config/i386/i386-builtin-types.def: New function type.
7475         * testsuite/gcc.target/builtin_target.c: New testcase.
7476         * doc/extend.texi: Document builtins.
7477
7478 2012-04-24  Olivier Hainque  <hainque@adacore.com>
7479
7480         * common.opt (gdwarf-): Initialize dwarf_version to -1 instead of 2.
7481         * toplev.c (process_options): Default to dwarf_version 2.
7482         * config/vxworks.c (vxworks_override_options): Default to strict-dwarf
7483         and dwarf_version 2.
7484
7485 2012-04-24  Manuel López-Ibáñez  <manu@gcc.gnu.org>
7486
7487         * tree-pretty-print.h (default_tree_printer): Do not declare.
7488         * tree-diagnostic.c: Include tree-pretty-print.h, tree-pass.h and
7489         intl.h.
7490         (default_tree_diagnostic_starter): Make static.
7491         (default_tree_printer): Move to here. Make static.
7492         (tree_diagnostics_defaults): New.
7493         * tree-diagnostic.h (default_tree_diagnostic_starter): Do not declare.
7494         * tree.c (free_lang_data): Use tree_diagnostics_defaults.
7495         * toplev.c: Do not include tree-pass.h.
7496         (default_tree_printer): Move from here.
7497         (general_init): Use tree_diagnostics_defaults.
7498
7499 2012-04-24  Chao-ying Fu  <fu@mips.com>
7500
7501         * config.gcc (mips64*-*-linux*): Append mips/linux-common.h to tm_file.
7502         (mips*-*-linux*): Append mips/linux-common.h to tm_file.
7503         * config/mips/gnu-user.h
7504         (SUBTARGET_CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC directly.
7505         (GNU_USER_TARGET_LINK_SPEC): New define.
7506         (LINK_SPEC): Use GNU_USER_TARGET_LINK_SPEC.
7507         (LIB_SPEC): Use GNU_USER_TARGET_LIB_SPEC directly.
7508         (GNU_USER_TARGET_MATHFILE_SPEC): New define.
7509         (ENDFILE_SPEC): Use GNU_USER_TARGET_MATHFILE_SPEC and
7510         GNU_USER_TARGET_ENDFILE_SPEC.
7511         * config/mips/gnu-user64.h (LIB_SPEC): Remove.
7512         (GNU_USER_TARGET_LINK_SPEC): New define.
7513         (LINK_SPEC): Use GNU_USER_TARGET_LINK_SPEC.
7514         * config/mips/linux-common.h: New file.
7515
7516 2012-04-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7517
7518         PR target/47197
7519         * config/rs6000/rs6000-c.c (fully_fold_convert): New function.
7520         (altivec_build_resolved_builtin): Call fully_fold_convert.
7521
7522 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
7523
7524         PR target/53065
7525         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
7526
7527 2012-04-24  Richard Guenther  <rguenther@suse.de>
7528
7529         PR tree-optimization/53085
7530         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
7531         stores.
7532
7533 2012-04-24  Richard Guenther  <rguenther@suse.de>
7534
7535         * tree-if-conv.c (main_tree_if_conversion): Move bb under
7536         ENABLE_CHECKING.
7537
7538 2012-04-24  Jim Meyering  <meyering@redhat.com>
7539
7540         * genattrtab.c (gen_attr): Avoid NULL-deref after diagnosing
7541         absence of an define_enum call.
7542
7543 2012-04-24  Richard Guenther  <rguenther@suse.de>
7544
7545         * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): If
7546         the epilogue loop is not re-used as unvectorized version
7547         record the its maximum number of iterations.
7548
7549 2012-04-24  Andrew Pinski  <apinski@cavium.com>
7550
7551         * tree-ssa-forwprop.c (simplify_bitwise_binary):
7552         Don't directly use def1/def2.
7553
7554 2012-04-24  Richard Guenther  <rguenther@suse.de>
7555
7556         PR tree-optimization/53098
7557         * tree-vect-loop.c (vect_analyze_loop_operations): Fixup
7558         comparison sign.
7559
7560 2012-04-24  Andrew Pinski  <apinski@cavium.com>
7561
7562         PR tree-opt/33512
7563         * tree-ssa-forwprop.c (defcodefor_name): New function.
7564         (simplify_bitwise_binary): Use defcodefor_name instead of manually
7565         Simplify "( X | Y) & X" to X and "( X & Y) | X" to X.
7566         Simplify "(~X | Y) & X" to "X & Y" and
7567         "(~X & Y) | X" to "X | Y".
7568
7569 2012-04-24  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
7570
7571         * recog.c (insn_invalid_p): Add IN_GROUP parameter and use
7572         validate_change to add clobbers if IN_GROUP is nonzero.
7573         (verify_changes): Call insn_invalid_p with IN_GROUP set to true.
7574         * recog.h (insn_invalid_p): Add IN_GROUP parameter to function
7575         prototype.
7576         * gcse.c (process_insert_insn): Call insn_invalid_p with IN_GROUP
7577         set to false.
7578         * config/s390/s390.c (insn_invalid_p): Likewise.
7579
7580 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
7581
7582         PR middle-end/53084
7583         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR of MEM_REF.
7584         (output_addressed_constants): Likewise.
7585
7586         PR middle-end/52999
7587         * varasm.c (get_section): Don't ICE for section conflicts with
7588         built-in section kinds.
7589
7590 2012-04-23  DJ Delorie  <dj@redhat.com>
7591
7592         * config/s390/s390.h (LINK_SPEC): Remove, no longer needed.
7593         (LIBSTDCXX): Change to CPP2.
7594
7595 2012-04-23  H.J. Lu  <hongjiu.lu@intel.com>
7596
7597         PR bootstrap/52878
7598         * opth-gen.awk: Check if MASK_ and TARGET_ macros are defined for
7599         extra_masks.
7600
7601 2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
7602
7603         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
7604         (*addsi_2_zext): Ditto.
7605         (*add<mode>_3): Ditto.
7606         (*addsi_3_zext): Ditto.
7607         (*add<mode>_5): Ditto.
7608
7609 2012-04-23  Andrew Pinski  <apinski@cavium.com>
7610
7611         * tree-ssa-forwprop.c (simplify_bitwise_binary): Simplify (A & B) OP0
7612         (C & B) to (A OP0) & B.
7613
7614 2012-04-23  Martin Jambor  <mjambor@suse.cz>
7615
7616         * expr.c (expand_expr_real_1): Remove setting parent's alias set for
7617         temporaries created for a bitfield (reverting revision 122014).
7618
7619 2012-04-23  Richard Guenther  <rguenther@suse.de>
7620
7621         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Gimplify
7622         the condition using is_gimple_condexpr and avoid the not necessary
7623         boolification.
7624         (set_prologue_iterations): Likewise.
7625         (vect_loop_versioning): Likewise.
7626
7627 2012-04-23  Richard Guenther  <rguenther@suse.de>
7628
7629         PR tree-optimization/53070
7630         * tree-if-conv.c (combine_blocks): Free predicates in all blocks.
7631         (main_tree_if_conversion): Verify we succeeded in that.
7632
7633 2012-04-23  Jan Hubicka  <jh@suse.cz>
7634
7635         * lto-symtab.c (lto_cgraph_replace_node): Do not call
7636         mark_reahcable_node.
7637         * cgraph.c (cgraph_remove_node): Do not clear reachable.
7638         (cgraph_mark_reachable_node): Remove.
7639         (cgraph_mark_force_output_node): Do not set reachable.
7640         (dump_cgraph_node): Do not dump reachable.
7641         (cgraph_create_virtual_clone): Do not set reachable.
7642         * cgraph.h (cgraph_node): Remove reachable flag.
7643         (varpool_node): Remove reachable flag.
7644         (cgraph_mark_if_needed): Remove.
7645         (cgraph_mark_reachable_node): Remove.
7646         * tree-emutls.c (ipa_lower_emutls): Do not check reachable.
7647         * cgraphunit.c (cgraph_finalize_function): Do not mark node as
7648         reachable.
7649         (cgraph_add_new_function): Likewise.
7650         (cgraph_mark_if_needed): Remove.
7651         (cgraph_analyze_function): Do not set target as reachable.
7652         (process_function_and_variable_attributes): Do not care about
7653         dllexport.
7654         (cgraph_analyze_functions): Do not set reachable flags.
7655         (cgraph_mark_functions_to_output): Do not check reachability.
7656         (cgraph_copy_node_for_versioning): Do not set reachable flag.
7657         (dbxout_expand_expr): Update.
7658         * c-decl.c (merge_decls): Do not track changed externs.
7659         * ipa.c: Include pointer-set.h
7660         (enqueue_cgraph_node): Use reachable pointer set.
7661         (process_references): Likewise.
7662         (cgraph_remove_unreachable_nodes): Likewise.
7663         (whole_program_function_and_variable_visibility): Do not recompute
7664         reachable.
7665         * trans-mem.c (ipa_tm_execute): Do not check reachable flag.
7666
7667 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
7668
7669         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
7670
7671 2012-04-23  Richard Guenther  <rguenther@suse.de>
7672
7673         PR c/53060
7674         * c-typeck.c (build_binary_op): Fix typo.
7675
7676 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
7677
7678         PR tree-optimizations/52891
7679         * tree-vect-patterns.c (adjust_bool_pattern): Use
7680         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
7681         but with non-standard precision.
7682
7683 2012-04-22  Jan Hubicka  <jh@suse.cz>
7684
7685         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Bail out at NULL
7686         tree refs.
7687
7688 2012-04-22  Jan Hubicka  <jh@suse.cz>
7689
7690         * lto-symtab.c (lto_varpool_replace_node): Do not merge needed flags.
7691         * cgraphbuild.c (record_reference, record_type_list, mark_address,
7692         mark_load, mark_store): Do not mark varpool nodes as needed.
7693         * cgraph.c (cgraph_new_nodes): Remove.
7694         (cgraph_create_function_alias): Do not mark nodes as reachable.
7695         (cgraph_add_thunk): Likewise.
7696         (cgraph_mark_reachable_node): Do not manage the queue.
7697         * cgraph.h (cgraph_node): Remove next_needed.
7698         (varpool_nodes_queue): Remove next_needed and prev_needed.
7699         (x_cgraph_nodes_queue, x_cgraph_nodes_queue, cgraph_new_nodes): Remove.
7700         (cgraph_new_nodes): Declare.
7701         (x_varpool_nodes_queue, varpool_nodes_queue); Remove.
7702         (varpool_analyze_pending_decls): Remove.
7703         (varpool_analyze_node): New.
7704         (varpool_mark_needed_node): Remove.
7705         (varpool_first_variable, varpool_next_variable): New inlines.
7706         (varpool_first_static_initializer, varpool_next_static_initializer):
7707         Update.
7708         (FOR_EACH_STATIC_VARIABLE): Remove unused walker.
7709         (varpool_first_defined_variable): New inline.
7710         (varpool_next_defined_variable): New inline
7711         (FOR_EACH_VARIABLE): Reimplement.
7712         (FOR_EACH_DEFINED_VARIABLE): Reimplement.
7713         * toplev.c (wrapup_global_declaration_2): Use analyzed instead of
7714         needed flag.
7715         * cgraphunit.c (cgraph_new_nodes): Declare here.
7716         (enqueue_node): New function.
7717         (cgraph_process_new_functions): update for new
7718         node set; when constructing cgraph enqueue node for processing.
7719         (cgraph_add_new_function): Use new node set.
7720         (process_function_and_variable_attributes): Do not set varpool needed
7721         flags.
7722         (referred_to_p): New function.
7723         (varpool_finalize_decl): Move here from varpool.c; enqueue needed node
7724         when varpool is in construction.
7725         (cgraph_analyze_functions): Rewrite.
7726         (cgraph_expand_all_functions): Update.
7727         (cgraph_output_in_order): Do not analyze pending decls; do not set
7728         needed flags.
7729         (cgraph_optimize): Do not analyze pending decls.
7730         * lto-cgraph.c (input_varpool_node): Clear analyzed flag for objects
7731         in other partition; do not mark node as needed.
7732         * dwarf2out.c (reference_to_unused): Use analyzed flag.
7733         (premark_types_used_by_global_vars_helper): Likewise.
7734         * ipa.c (process_references): Do not call varpool_mark_needed_node.
7735         (cgraph_remove_unreachable_nodes): Do not rely on varpool and
7736         cgrpah queues.
7737         (function_and_variable_visibility): Do not mark node as needed.
7738         (whole_program_function_and_variable_visibility): Likewise.
7739         * Makefile.in (gt-varpool.h): No longer needed.
7740         * passes.c (execute_one_pass, execute_ipa_pass_list): Update.
7741         (ipa_write_summaries): Do not use needed flag.
7742         * varpool.c: Do not include gt-varpool.h
7743         (x_varpool_nodes_queue, x_varpool_last_needed_node,
7744         x_varpool_last_needed_node, x_varpool_first_unanalyzed_node,
7745         x_varpool_first_unanalyzed_node, varpool_assembled_nodes_queue):
7746         Remove.
7747         (varpool_remove_node): Do not update the lists.
7748         (dump_varpool_node): Do not dump needed flag.
7749         (varpool_enqueue_needed_node): Remove.
7750         (varpool_mark_needed_node): Remove.
7751         (varpool_reset_queue): Remove.
7752         (varpool_finalize_decl): Move to cgraphunit.c
7753         (varpool_analyze_node): New functions based on former
7754         varpool_analyze_pending_decls.
7755         (varpool_analyze_pending_decls): Remove.
7756         (varpool_assemble_decl): Do not update the lists.
7757         (enqueue_node): New function.
7758         (varpool_remove_unreferenced_decls): Rewrite.
7759         (varpool_empty_needed_queue): Remove.
7760         (add_new_static_var): Do not mark node as needed.
7761         (varpool_create_variable_alias): Handle expansion state
7762         creation.
7763         * except.c (output_ttype): Do not mark node as needed.
7764         * varasm.c (mark_decl_referenced): Do not use mark_needed_node.
7765         * tree-profile.c (init_ic_make_global_vars, init_ic_make_global_vars):
7766         Likewise.
7767         * tree-switch-conversion.c (build_one_array): Likewise.
7768
7769 2012-04-22  Manuel López-Ibáñez  <manu@gcc.gnu.org>
7770
7771         PR c/44774
7772         * doc/invoke.texi (pedantic): Rename to Wpedantic.
7773         * common.opt (Wpedantic): New.
7774         (pedantic): Alias Wpedantic.
7775         * diagnostic.c (warning_at): Likewise.
7776         * c-decl.c (diagnose_mismatched_decls): Likewise.
7777         (build_array_declarator): Likewise.
7778         (mark_forward_parm_decls):
7779         (check_bitfield_type_and_width): Likewise.
7780         (grokdeclarator): Likewise.
7781         (grokfield): Likewise.
7782         (finish_struct): Likewise.
7783         (build_enumerator): Likewise.
7784         (store_parm_decls_oldstyle): Likewise.
7785         (declspecs_add_qual): Likewise.
7786         (declspecs_add_type): Likewise.
7787         (finish_declspecs): Likewise.
7788         * c-typeck.c (composite_type): Likewise.
7789         (comp_target_types): Likewise.
7790         (build_array_ref): Likewise.
7791         (pointer_diff): Likewise.
7792         (build_unary_op): Likewise.
7793         (build_conditional_expr): Likewise.
7794         (build_c_cast): Likewise.
7795         (convert_for_assignment): Likewise.
7796         (maybe_warn_string_init): Likewise.
7797         (digest_init): Likewise.
7798         (pop_init_level): Likewise.
7799         (set_init_index): Likewise.
7800         (c_finish_goto_label): Likewise.
7801         (c_finish_return): Likewise.
7802         (do_case): Likewise.
7803         (build_binary_op): Likewise.
7804         * c-parser.c (static): Likewise.
7805         (c_parser_external_declaration): Likewise.
7806         (c_parser_declaration_or_fndef): Likewise.
7807         (c_parser_static_assert_declaration_no_se): Likewise.
7808         (c_parser_enum_specifier): Likewise.
7809         (c_parser_struct_or_union_specifier): Likewise.
7810         (c_parser_struct_declaration): Likewise.
7811         (c_parser_alignas_specifier): Likewise.
7812         (c_parser_braced_init): Likewise.
7813         (c_parser_initelt): Likewise.
7814         (c_parser_compound_statement_nostart): Likewise.
7815         (c_parser_conditional_expression): Likewise.
7816         (c_parser_alignof_expression): Likewise.
7817         (c_parser_postfix_expression): Likewise.
7818         (c_parser_postfix_expression_after_paren_): Likewise.
7819         (c_parser_objc_class_instance_variables): Likewise.
7820         (c_parser_objc_method_definition): Likewise.
7821         (c_parser_objc_methodprotolist): Likewise.
7822
7823 2012-04-22  Ian Lance Taylor  <iant@google.com>
7824
7825         * godump.c (go_output_typedef): Dump size of structs.
7826
7827 2012-04-22  Razya Ladelsky  <razya@il.ibm.com>
7828
7829         Correcting transform_to_exit_first_loop + fix to PR46886
7830         * tree-parloops.c (transform_to_exit_first_loop): Remove
7831         setting of number of iterations according to the loop pattern.
7832         Duplicate from entry to exit->src instead of loop->latch.
7833         (pallelize_loops): Remove the condition preventing do-while loops.
7834         * tree-cfg.c (bool bb_in_region_p): New.
7835         (gimple_duplicate_sese_tail): Adjust duplication of the the subloops.
7836         Adjust redirection of the duplicated iteration.
7837
7838 2012-04-21  Richard Sandiford  <rdsandiford@googlemail.com>
7839
7840         PR bootstrap/53021
7841         * rtl.def (ADDRESS): Use "i" rather than "w".
7842         * rtl.h (find_base_term): Delete.
7843         (may_be_sp_based_p): Declare.
7844         * rtl.c (rtx_code_size): Remove ADDRESS special case.
7845         * alias.h (UNIQUE_BASE_VALUE_SP, UNIQUE_BASE_VALUE_ARGP)
7846         (UNIQUE_BASE_VALUE_FP, UNIQUE_BASE_VALUE_HFP): Move to...
7847         * alias.c: ...here.
7848         (find_base_term): Make static.
7849         (may_be_sp_based_p): New function.
7850         * dse.c (record_store): Use it.
7851         * store-motion.c (store_killed_in_insn): Likewise.
7852
7853 2012-04-21  Richard Sandiford  <rdsandiford@googlemail.com>
7854
7855         * fold-const.c (fold_checksum_tree): Fix VECTOR_CST case.
7856
7857 2012-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
7858
7859         PR 35441
7860         * c-typeck.c (inform_declaration): New.
7861         (build_function_call_vec):  Do not pretty-print
7862         expressions when caret is enabled.
7863         (convert_arguments): Use inform_declaration.
7864
7865 2012-04-20  Jim Meyering  <meyering@redhat.com>
7866
7867         * genmodes.c (make_complex_modes): Don't truncate a mode name of
7868         length 7 or more when prepending a "C".  Suggested by Richard Guenther.
7869
7870 2012-04-20  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7871
7872         PR rtl-optimization/44214
7873         * fold-const.c (exact_inverse): New function.
7874         (fold_binary_loc): Fold vector and complex division by constant into
7875         multiply by recripocal with flag_reciprocal_math; fold vector division
7876         by constant into multiply by reciprocal with exact inverse.
7877
7878 2012-04-20  Jan Hubicka  <jh@suse.cz>
7879
7880         * lto-symtab.c (lto_cgraph_replace_node): Merge needed instead of
7881         force flags.
7882         * cgraph.c (cgraph_add_thunk): Use mark_reachable_node.
7883         (cgraph_remove_node): Update.
7884         (cgraph_mark_needed_node): Remove.
7885         (cgraph_mark_force_output_node): New.
7886         (dump_cgraph_node): Do not dump needed flag.
7887         (cgraph_node_cannot_be_local_p_1): Update.
7888         (cgraph_can_remove_if_no_direct_calls_and_refs): Update.
7889         * cgraph.h (symtab_node_base): Add force_output flag.
7890         (cgraph_node): Remove needed flag.
7891         (varpool_node): Remove force_output flag.
7892         (cgraph_mark_needed_node): Remove.
7893         (cgraph_mark_force_output_node): New.
7894         (cgraph_only_called_directly_or_aliased_p,
7895         varpool_can_remove_if_no_refs, varpool_all_refs_explicit_p): Update.
7896         * ipa-cp.c (ipcp_generate_summary): Remove out of date assert.
7897         * cgraphunit.c (cgraph_decide_is_function_needed): rewrite.
7898         (cgraph_add_new_function): Update.
7899         (cgraph_mark_if_needed): Update.
7900         (verify_cgraph_node): Update.
7901         (cgraph_analyze_function): Alias target is reachable.
7902         (process_function_and_variable_attributes): Update: externally_visible
7903         flag makes function reachable.
7904         (cgraph_analyze_functions): Update dumping.
7905         * lto-cgraph.c (lto_output_node, lto_output_varpool_node,
7906         input_overwrite_node, input_varpool_node): Update streaming.
7907         * lto-streamer-out.c (produce_symtab): Use force_output.
7908         * ipa.c (process_references): Weakrefs must be processed.
7909         (cgraph_remove_unreachable_nodes): Likewise; update for new
7910         force_output flag.
7911         (varpool_externally_visible_p): Weakrefs are externally visible
7912         even if they are not.
7913         (function_and_variable_visibility): Update; when processing alias
7914         pair force the targets to be output.
7915         (whole_program_function_and_variable_visility): Use
7916         mark_reachable_node.
7917         * trans-mem.c (ipa_tm_mark_needed_node): Remove
7918         (ipa_tm_mark_force_output_node): New function.
7919         (ipa_tm_create_version_alias, ipa_tm_create_version): Update.
7920         * gimple-fold.c (can_refer_decl_in_current_unit_p): Be lax about
7921         aliases.
7922         * varasm.c (mark_decl_referenced): Update.
7923         (find_decl_and_mark_needed): Remove.
7924         (find_decl): New function.
7925         (weak_finish, finish_aliases_1, assemble_alias): Update; do not mark
7926         alias targets as needed.
7927         (dump_tm_clone_pairs): Update.
7928         * tree-inline.c (copy_bb): Update check.
7929         * symtab.c (dump_symtab_base): Dump force_output.
7930         * tree-ssa-structalias.c (ipa_pta_execute): Use force_output.
7931         * passes.c (execute_todo): Fix dumping.
7932         * varpool.c (decide_is_variable_needed, varpool_finalize_decl): Update.
7933         (varpool_analyze_pending_decls): Alias target is reachable.
7934         (varpool_create_variable_alias): Finalize weakrefs.
7935
7936 2012-04-20  Jakub Jelinek  <jakub@redhat.com>
7937
7938         PR bootstrap/53021
7939         * alias.h (UNIQUE_BASE_VALUE_SP, UNIQUE_BASE_VALUE_ARGP,
7940         UNIQUE_BASE_VALUE_FP, UNIQUE_BASE_VALUE_HFP): Define.
7941         * alias.c (init_alias_targets): Use UNIQUE_BASE_VALUE_*
7942         macros instead of constants.
7943         * dse.c (record_store): Check for SP ADDRESS by comparing
7944         XWINT to UNIQUE_BASE_VALUE_SP instead of expecting
7945         XEXP to be stack_pointer_rtx.
7946
7947 2012-04-20  Richard Guenther  <rguenther@suse.de>
7948
7949         * tree-ssa-copy.c (propagate_tree_value_into_stmt): Use
7950         update_call_from_tree when propagating into a call.
7951
7952 2012-04-20  Alan Modra  <amodra@gmail.com>
7953
7954         * config/rs6000/rs6000.c (rs6000_emit_savres_rtx): Formatting.
7955         (rs6000_emit_prologue, rs6000_emit_epilogue): Likewise.  Rename
7956         sp_offset to frame_off.  Move world save code earlier.
7957
7958 2012-04-20  Richard Guenther  <rguenther@suse.de>
7959
7960         PR tree-optimization/53050
7961         * tree-ssa-forwprop.c (ssa_forward_propagate_and_combine):
7962         Do only one transform on COND_EXPRs at the same time.
7963
7964 2012-04-19  Jan Hubicka  <jh@suse.cz>
7965
7966         * symtab.c (dump_symtab_base): Revert accidental checkin.
7967
7968 2012-04-20  Alan Modra  <amodra@gmail.com>
7969
7970         PR target/53040
7971         * config/rs6000/rs6000.c (rs6000_savres_strategy): When using
7972         static chain, set REST_INLINE_FPRS too.
7973
7974 2012-04-20  Thomas Schwinge  <thomas@codesourcery.com>
7975
7976         * tree-dump.c (dequeue_and_dump) <BIT_FIELD_REF>: Dump the three child
7977         nodes.
7978
7979 2012-04-20  Richard Guenther  <rguenther@suse.de>
7980
7981         * tree-vect-loop.c (vect_analyze_loop_operations): Do not vectorize
7982         loops that can never run more often than the vectorization factor.
7983
7984 2012-04-19  Jan Hubicka  <jh@suse.cz>
7985
7986         * symtab.c (dump_symtab_base): Fix dumping of asm lists.
7987
7988 2012-04-19  David Edelsohn  <dje.gcc@gmail.com>
7989
7990         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
7991
7992 2012-04-19  Jim Meyering  <meyering@redhat.com>
7993
7994         * genmodes.c (make_complex_modes): Avoid unnecessary use of strncpy.
7995         We verified above that the string(including trailing NUL) fits in buf,
7996         so just use memcpy.
7997
7998 2012-04-19  Richard Guenther  <rguenther@suse.de>
7999
8000         * symtab.c (dump_symtab_base): Use TREE_STRING_POINTER
8001         for dumping DECL_SECTION_NAME.
8002
8003 2012-04-19  Michael Matz  <matz@suse.de>
8004
8005         PR middle-end/52977
8006         * tree.h (VECTOR_CST_NELTS): Use part number of types again.
8007         (struct tree_vector): Adjust GTY length.
8008         * tree.c (make_vector_stat): Don't set VECTOR_CST_NELTS.
8009
8010         * gengtype.c (struct walk_type_data): Add in_record_p and loopcounter
8011         members.
8012         (walk_type, <TYPE_POINTER, TYPE_ARRAY>): Handle case where our
8013         caller emitted the length calulation already.
8014         (walk_type, <TYPE_UNION, TYPE_STRUCT>): Emit length calculations
8015         before handling any of the fields for structs.
8016
8017 2012-04-19  Richard Guenther  <rguenther@suse.de>
8018
8019         PR tree-optimization/53031
8020         * tree-vrp.c (adjust_range_with_scev): Revert back to
8021         using max_loop_iterations.
8022
8023 2012-04-19  Michael Matz  <matz@suse.de>
8024
8025         * diagnostic.c (emit_diagnostic): Move va_end call after user
8026         of the va_list.
8027         (warning, warning_at, pedwarn, permerror): Ditto.
8028
8029 2012-04-19  Richard Guenther  <rguenther@suse.de>
8030
8031         * ira-int.h (ira_allocno_object_iter_cond): Avoid out-of-bound
8032         array access.
8033
8034 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
8035
8036         PR target/53033
8037         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
8038         the case *(X+const).
8039
8040 2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
8041
8042         * config/arm/sync.md (sync_optab): Change ior attribute to "or".
8043
8044 2012-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
8045
8046         PR c/52283/37985
8047         * stmt.c (warn_if_unused_value): Skip NOP_EXPR.
8048         * convert.c (convert_to_integer): Don't set TREE_NO_WARNING.
8049
8050 2012-04-19  Richard Guenther  <rguenther@suse.de>
8051
8052         PR rtl-optimization/44688
8053         * loop-iv.c (determine_max_iter): Only return max_iter.
8054         (iv_number_of_iterations): Also use the recorded loop bound
8055         on the maximum number of iterations.
8056         * loop-unroll.c (decide_unroll_runtime_iterations): Use
8057         max_iter to avoid unrolling loops that do not roll.
8058         (decide_unroll_stupid): Likewise.
8059
8060 2012-04-18  Steven Bosscher  <steven@gcc.gnu.org>
8061
8062         * targhooks.c (default_case_values_threshold): Fix code style nit.
8063
8064         * stmt.c (add_case_node, expand_case): Move logic to remove/reduce
8065         case range and type folding from here...
8066         * gimplify.c (gimplify_switch_expr): ... to here.  Expect NULL_TREE
8067         type, as documented in tree.def.
8068
8069 2012-04-18  Jan Hubicka  <jh@suse.cz>
8070
8071         * cgraph.h (verify_symtab, verify_symtab_node, verify_symtab_base):
8072         Declare.
8073         * cgraphunit.c (verify_cgraph_node): Verify symtab base; do not verify
8074         cgraph hash and same comdat groups.
8075         (cgraph_optimize): Verify symbol table.
8076         * ipa.c (cgraph_remove_unreachable_nodes): Verify symbol table.
8077         (dissolve_same_comdat_group_list): Work on symtab nodes.
8078         (function_and_variable_visibility): Dissolve variable same comdat group
8079         lists, too.
8080         * symtab.c: Include timevar.h
8081         (verify_symtab_base, verify_symtab_node, verify_symtab): New functions.
8082
8083 2012-04-18  Steven Bosscher  <steven@gcc.gnu.org>
8084
8085         * tree-switch-conversion.c (info): Remove global pass info.
8086         (check_range, check_process_case, check_final_bb, create_temp_arrays,
8087         free_temp_arrays, gather_default_values, build_constructors,
8088         array_value_type, build_one_array, build_arrays, gen_def_assigns,
8089         fix_phi_nodes, gen_inbound_check): Pass info around from ...
8090         (process_switch): ... here.  Unify message format.  Return a const
8091         char pointer to the failure reason message.
8092         (do_switchconv): Unify message format.  Update process_switch usage.
8093
8094         * tree.def (CASE_LABEL_EXPR): Fix documentation, mention all operands.
8095         * tree-cfg.c (edge_to_cases): Fix documentation.
8096
8097 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
8098
8099         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
8100
8101 2012-04-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8102
8103         PR tree-optimization/52976
8104         * tree-ssa-reassoc.c (add_to_ops_vec_max_rank): Delete.
8105         (possibly_move_powi): New function.
8106         (rewrite_expr_tree): Call possibly_move_powi.
8107         (rewrite_expr_tree_parallel): Likewise.
8108         (attempt_builtin_powi): Change call of add_to_ops_vec_max_rank to
8109         call add_to_ops_vec instead.
8110
8111 2012-04-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8112
8113         PR tree-optimization/52976
8114         * tree-ssa-reassoc.c (stmt_is_power_of_op): New function.
8115         (decrement_power): Likewise.
8116         (propagate_op_to_single_use): Likewise.
8117         (zero_one_operation): Handle __builtin_pow* calls in linearized
8118         expression trees; factor logic into propagate_op_to_single_use.
8119         (undistribute_ops_list): Allow operands with repeat counts > 1.
8120
8121 2012-04-18  Richard Guenther  <rguenther@suse.de>
8122
8123         PR tree-optimization/44688
8124         * cfgloop.h (record_niter_bound): Declare.
8125         * tree-ssa-loop-niter.c (record_niter_bound): Export.
8126         Update the estimation with the upper bound here...
8127         (estimate_numbers_of_iterations_loop): ... instead of here.
8128         Do not forcefully reset a recorded upper bound.
8129         * tree-vect-loop-manip.c (vect_do_peeling_for_alignment):
8130         Record the maximum number of loop iterations of the prologue loop.
8131
8132 2012-04-18  Jan Hubicka  <jh@suse.cz>
8133
8134         * lto-symtab.c (lto_cgraph_replace_node): Update.
8135         * cgraphbuild.c (record_reference, record_type_list,
8136         record_eh_tables, mark_address, mark_load, mark_store): Update.
8137         * cgraph.c (cgraph_same_body_alias, dump_cgraph_node,
8138         cgraph_create_virtual_clone, cgraph_for_node_thunks_and_aliases):
8139         Update.
8140         * cgraph.h (symtab_node_def, symtab_node, const_symtab_node): Remove.
8141         (cgraph_alias_aliased_node, varpool_alias_aliased_node): Update.
8142         * reload.c: Fix typo in comment.
8143         * rtlanal.c: Likewise.
8144         * tree-emultls.c (gen_emutls_addr): Update.
8145         * ipa-reference.c (analyze_function): Update.
8146         * cgraphunit.c (cgraph_analyze_function,
8147         cgraph_process_same_body_aliases, assemble_thunks_and_aliases):
8148         Update.
8149         * ipa-ref.c (ipa_record_reference): Reorg to avoid reference types.
8150         (ipa_remove_reference): Likewise.
8151         (ipa_remove_all_refering): Rename to ...
8152         (ipa_remove_all_referring): ... this one; update.
8153         (ipa_dump_references): Update.
8154         (ipa_dump_referring): Update.
8155         (ipa_clone_references): Update.
8156         (ipa_clone_refering): Rename to ...
8157         (ipa_clone_referring): ... this one; update.
8158         (ipa_ref_cannot_lead_to_return): Update.
8159         (ipa_ref_has_aliases_p): Update.
8160         * ipa-ref.h (symtab_node_def, symtab_node, const_symtab_node): New
8161         forward typedefs.
8162         (ipa_ref_type): Remove.
8163         (ipa_ref_ptr_u): Remove.
8164         (ipa_ref): Remove referencing, refered, refered_index, refering_type
8165         and refered_type; add referring, referred and referred_index.
8166         (ipa_ref_list): Rename refering to referring.
8167         (ipa_record_reference, ipa_remove_all_referring, ipa_dump_referring,
8168         ipa_clone_references, ipa_clone_referring): Update prototypes.
8169         * lto-cgraph.c (referenced_from_other_partition_p): Update.
8170         (lto_output_ref): Update.
8171         (add_references): Update.
8172         (input_varpool_node): Update.
8173         (input_refs): Update.
8174         * ipa-ref-inline.h (ipa_ref_node): Update.
8175         (ipa_ref_varpool_node): Update.
8176         (ipa_ref_referring_node): Update.
8177         (ipa_ref_referring_varpool_node): Update.
8178         (ipa_ref_referring_ref_list): Update.
8179         (ipa_ref_referred_ref_list): Update.
8180         (ipa_ref_list_first_referring): Update.
8181         (ipa_empty_ref_list): Update.
8182         (ipa_ref_list_refering_iterate): Rename to ...
8183         (ipa_ref_list_referring_iterate): ... this one.
8184         * cse.c: Update comment.
8185         * ipa-utils.c (ipa_reverse_postorder): Update.
8186         * tree-ssa-alias.c: Update.
8187         * ipa-inline.c (reset_edge_caches): Update.
8188         (update_caller_keys): Update.
8189         * ipa-inline.h: Update comments.
8190         * jump.c: Update comment.
8191         * alias.c: Likewise.
8192         * ipa.c (process_references): Update.
8193         (cgraph_remove_unreachable_nodes): Likewise.
8194         (ipa_discover_readonly_nonaddressable_var): Likewise.
8195         (cgraph_address_taken_from_non_vtable_p): Likewise.
8196         * trans-mem.c (ipa_tm_execute): Update.
8197         * simplify-rtx.c: Fix comment.
8198         * rtl.c: Fix comment.
8199         * symtab.c (symtab_unregister_node): Update.
8200         * varpool.c (dump_varpool_node): Update.
8201         (varpool_analyze_pending_decls): Update.
8202         (assemble_aliases): Update.
8203         (varpool_for_node_and_aliases): Update.
8204
8205 2012-04-18  Richard Guenther  <rguenther@suse.de>
8206
8207         * cfgloop.h (estimate_numbers_of_iterations_loop): Remove
8208         use_undefined_p parameter.
8209         * tree-flow.h (estimate_numbers_of_iterations): Likewise.
8210         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop):
8211         Likewise.
8212         (estimate_numbers_of_iterations): Likewise.
8213         (estimated_loop_iterations): Adjust.
8214         (max_loop_iterations): Likewise.
8215         (scev_probably_wraps_p): Likewise.
8216         * tree-ssa-loop.c (tree_ssa_loop_bounds): Likewise.
8217         * tree-vrp.c (adjust_range_with_scev): Use max_stmt_executions,
8218         not max_loop_iterations.
8219         (execute_vrp): Remove explicit number of iterations estimation.
8220
8221 2012-04-18  Enkovich Ilya  <ilya.enkovich@intel.com>
8222
8223         * config/i386/linux-common.h: New.
8224
8225         * config.gcc: Add i386/linux-common.h before
8226         all i386/linux.h and i386/linux64.h usages.
8227
8228         * config/i386/gnu-user.h (GNU_USER_TARGET_LINK_SPEC): New.
8229         (LINK_SPEC): Use GNU_USER_TARGET_LINK_SPEC.
8230         * config/i386/gnu-user64.h: Likewise.
8231
8232         * config/i386/gnu-user.common.h (GNU_USER_TARGET_CC1_SPEC): New.
8233         (CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC.
8234         (GNU_USER_TARGET_MATHFILE_SPEC): New.
8235         (ENDFILE_SPEC): Use GNU_USER_TARGET_MATHFILE_SPEC.
8236
8237 2012-04-18  Jan Hubicka  <jh@suse.cz>
8238
8239         * cgraph.c (cgraph_node_name): Remove.
8240         (dump_cgraph_node): Use dump_symtab_base; reformat.
8241         * cgraph.h (symtab_node_asm_name, symtab_node_name, dump_symtab,
8242         debug_symtab, dump_symtab_node, debug_symtab_node, dump_symtab_base):
8243         Declare.
8244         (cgraph_node_name, varpool_node_name): Remove.
8245         (cgraph_node_asm_name, varpool_node_asm_name,
8246         cgraph_node_name, varpool_node_name): New.
8247         * tree-pass.h (TODO_dump_cgraph): Rename to ...
8248         (TODO_dump_symtab): ... this one.
8249         * ipa-cp (pass_ipa_cp): Update.
8250         * ia-reference.c (generate_summary, read_write_all_from_decl,
8251         propagate, ipa_reference_read_optimization_summary): Update.
8252         * cgraphunit.c (cgraph_analyze_functions): Update.
8253         (cgraph_optimize): Update.
8254         * ipa-ref.c (ipa_dump_references): Update.
8255         (ipa_dump_refering): Update.
8256         * ipa-inline.c (pass_ipa_inline): Update.
8257         * matrix-reorg.c (pass_ipa_matrix_reorg): Update.
8258         * ipa.c (pass_ipa_function_visibility,
8259         pass_ipa_whole_program_visibility): Update.
8260         * tree-sra.c (pass_early_ipa_sra): Update.
8261         * symtab.c: Include langhooks.h
8262         (symtab_node_asm_name): New.
8263         (symtab_node_name): New.
8264         (symtab_type_names): New static var.
8265         (dump_symtab_base): New.
8266         (dump_symtab_node, dump_symtab): New.
8267         (debug_symtab_node,  debug_symtab): New.
8268         * tree-ssa-structalias.c: Dump symbol table.
8269         * pases.c (execute_todo): Handle TODO_dump_symtab instead
8270         of TODO_dump_cgraph.
8271         * varpoo.c (varpool_node_name): Remove.
8272         (dump_varpool_node): Use dump_symtab_base; reformat.
8273
8274 2012-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
8275
8276         * doc/invoke.texi (Language Independent Options): @item should be
8277         before @opindex.
8278
8279 2012-04-17  Richard Sandiford  <rdsandiford@googlemail.com>
8280
8281         PR bootstrap/53021
8282         * rtl.c (rtx_code_size): Handle ADDRESS.
8283
8284 2012-04-17  Tom de Vries  <tom@codesourcery.com>
8285
8286         * tree-iterator.c (append_to_statement_list_1): Handle case that *list_p
8287         is not a STMT_LIST.
8288
8289 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
8290
8291         PR target/53020
8292         * config/i386/sync.md (atomic_<code><mode>): Rename to
8293         atomic_<logic><mode>.
8294
8295 2012-04-17  Richard Sandiford  <rdsandiford@googlemail.com>
8296
8297         * rtl.def (ADDRESS): Turn operand into a HOST_WIDE_INT.
8298         * alias.c (reg_base_value): Expand and update comment.
8299         (arg_base_value): New variable.
8300         (unique_id): Move up file.
8301         (unique_base_value, unique_base_value_p, known_base_value_p): New.
8302         (find_base_value): Use arg_base_value and known_base_value_p.
8303         (record_set): Document REG_NOALIAS handling.  Use unique_base_value.
8304         (find_base_term): Use known_base_value_p.
8305         (base_alias_check): Use unique_base_value_p.
8306         (init_alias_target): Initialize arg_base_value.  Use unique_base_value.
8307         (init_alias_analysis): Use 1 as the first id for REG_NOALIAS bases.
8308
8309 2012-04-17  Pat Haugen <pthaugen@us.ibm.com>
8310
8311         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Remove DImode.
8312
8313 2012-04-17  Michael Matz  <matz@suse.de>
8314
8315         PR tree-optimization/18437
8316         * tree-vectorizer.h (_stmt_vec_info.stride_load_p): New member.
8317         (STMT_VINFO_STRIDE_LOAD_P): New accessor.
8318         (vect_check_strided_load): Declare.
8319         * tree-vect-data-refs.c (vect_check_strided_load): New function.
8320         (vect_analyze_data_refs): Use it to accept strided loads.
8321         * tree-vect-stmts.c (vectorizable_load): Ditto and handle them.
8322
8323 2012-04-17  Richard Guenther  <rguenther@suse.de>
8324
8325         PR middle-end/53011
8326         * tree-eh.c (cleanup_empty_eh_merge_phis): Properly discard
8327         loops when redirecting an entry or latch edge.
8328
8329 2012-04-17  Bernd Schmidt  <bernds@codesourcery.com>
8330
8331         * sel-sched.c (sel_global_init): Revert previous change.
8332
8333 2012-04-17  Richard Guenther  <rguenther@suse.de>
8334
8335         * tree-flow.h (array_at_struct_end_p): Move declaration ...
8336         * tree.h (array_at_struct_end_p): ... here.
8337         * tree-ssa-loop-niter.c (array_at_struct_end_p): Move ...
8338         * expr.c (array_at_struct_end_p): ... here.  Rewrite.
8339
8340 2012-04-17  Steven Bosscher  <steven@gcc.gnu.org>
8341
8342         * stmt.c (cost_table_, use_cost_table, cost_table_initialize,
8343         COST_TABLE): Remove.
8344         (estimate_case_costs): Remove.
8345         (expand_case): Do not call estimate_case_costs
8346         to set use_cost_table.
8347         (balance_case_nodes): Do not use use_cost_table.
8348
8349 2012-04-16  Jan Hubicka  <jh@suse.cz>
8350
8351         * cgraph.c (cgraph_hash, assembler_name_hash): Remove.
8352         (hash_node, eq_node): Remove.
8353         (cgraph_create_node): Do not handle hashtable.
8354         (cgraph_get_node): Remove.
8355         (cgraph_insert_node_to_hashtable): Remove.
8356         (hash_node_by_assembler_name): Remove.
8357         (eq_assembler_name): Remove.
8358         (cgraph_node_for_asm): Rewrite.
8359         (cgraph_find_replacement_node): Break out from ...
8360         (cgraph_remove_node): ... here; do not maintain hashtables.
8361         (change_decl_assembler_name): Remove.
8362         (cgraph_clone_node): Do not maintain hashtables.
8363         * cgraph.h (const_symtab_node): New typedef.
8364         (cgraph_insert_node_to_hashtable): Remove.
8365         (symtab_get_node, symtab_node_for_asm,
8366         symtab_insert_node_to_hashtable): Declare.
8367         (cgraph_find_replacement_node): Declare.
8368         (cgraph_get_node, varpool_get_node): Turn into inlines.
8369         (cgraph, varpool): Work sanely on NULL pointers.
8370         (FOR_EACH_SYMBOL): New walker.
8371         * ipa-inline-transform.c (save_inline_function_body): Use
8372         symtab_insert_node_to_hashtable.
8373         * symtab.c: Include ggc.h and diagnostics.h
8374         (symtab_hash, assembler_name_hash): New static vars;
8375         (hash_node, eq_node, hash_node_by_assembler_name,
8376         eq_assembler_name, insert_to_assembler_name_hash,
8377         unlink_from_assembler_name_hash): New.
8378         (symtab_register_node): Update hashtables.
8379         (symtab_insert_node_to_hashtable): New.
8380         (symtab_unregister_node): Update hashtables.
8381         (symtab_get_node): New.
8382         (symtab_node_for_asm): New.
8383         (change_decl_assembler_name): New.
8384         * Makefile.in (symtab.o): Needs GTY.
8385         * varpool.c (varpool_hash): Remove.
8386         (hash_varpool_node, eq_varpool_node, varpool_get_node): Remove.
8387         (varpool_node): Rewrite using varpool_get_node.
8388         (varpool_remove_node): DO not maintain hashtables.
8389         (varpool_node_for_asm): Rewrite.
8390
8391 2012-04-16  Sandra Loosemore  <sandra@codesourcery.com>
8392
8393         * doc/invoke.texi:  Copy-edit to put verbs in the present tense
8394         when describing the current behavior of GCC.
8395
8396 2012-04-16  Richard Sandiford  <rdsandiford@googlemail.com>
8397
8398         * genemit.c (gen_exp): Remove ADDRESS handling.
8399         * genoutput.c (scan_operands): Likewise.
8400         * genpeep.c (match_rtx): Likewise.
8401         * genrecog.c (add_to_sequence): Likewise.
8402
8403 2012-04-16  David Edelsohn  <dje.gcc@gmail.com>
8404
8405         * doc/install.texi (Specific, *-ibm-aix*): Update assembler bug status.
8406
8407 2012-04-16  Martin Jambor  <mjambor@suse.cz>
8408
8409         * tree-sra.c (build_ref_for_model): Create COMPONENT_REFs only for
8410         bit-fields.
8411
8412 2012-04-16  Ulrich Weigand  <ulrich.weigand@linaro.org>
8413
8414         PR target/51819
8415         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
8416         hints for 'A' operand types.
8417
8418 2012-04-16  Jan Hubicka  <jh@suse.cz>
8419
8420         * cgraph.h (symtab_node_base): Add next and previous pointers.
8421         (cgraph_node): Remove next and preivous pointers.
8422         (varpool_node): Likewise; remove next/previous GTY marker;
8423         it is not type safe.
8424         (symtab_node_def): Update GTY marker
8425         (x_cgraph_nodes, cgraph_nodes): Remove.
8426         (symtab_nodes): New function.
8427         (cgraph_order): Rename to ...
8428         (symtab_order): ... this one.
8429         (symtab_register_node, symtab_unregister_node, symtab_remove_node):
8430         Declare.
8431         (x_varpool_nodes, varpool_nodes): Remove.
8432         (FOR_EACH_STATIC_VARIABLE): Update.
8433         (symtab_function_p, symtab_variable_p): New function.
8434         (FOR_EACH_VARIABLE): Update.
8435         (varpool_first_variable, varpool_next_variable): New functions.
8436         (FOR_EACH_VARIABLE): Update.
8437         (cgraph_first_defined_function): Update.
8438         (cgraph_next_defined_function, cgraph_next_defined_function): Update.
8439         (FOR_EACH_DEFINED_FUNCTION, FOR_EACH_FUNCTION): Update.
8440         (cgraph_first_function, cgraph_next_function): New.
8441         (FOR_EACH_FUNCTION): Update.
8442         (cgraph_first_function_with_gimple_body,
8443         cgraph_next_function_with_gimple_body): Update.
8444         * symtab.c: New file.
8445         * cgraph.c: Update copyright dates.
8446         (x_cgraph_nodes, cgraph_order): Remove.
8447         (NEXT_FREE_NODE): Update.
8448         (SET_NEXT_FREE_NODE): New.
8449         (cgraph_create_node_1): Remove common code.
8450         (cgraph_create_node): Remove common code; call symtab_register_node.
8451         (cgraph_remove_node): Remove common code; call symtab_unregister-node.
8452         (cgraph_add_asm_node): Update.
8453         (cgraph_clone_node): Register new node.
8454         * cgraphunit.c (process_function_and_variable_attributes): Update.
8455         (cgraph_analyze_functions): Update.
8456         (cgraph_analyze_functions): Update.
8457         (cgraph_output_in_order): Update.
8458         * lto-cgraph.c (input_node, input_varpool_node, input_cgraph_1):
8459         Update.
8460         * ipa-inline.c (recursive_inlining): Update.
8461         * lto-streamer-in.c (lto_input_toplevel_asms): Update.
8462         * ipa.c (cgraph_remove_unreachable_nodes): Update.
8463         * Makefile.in: Add symtab.o
8464         * varpool.c (x_varpool_nodes): Remove
8465         (varpool_node): Remove common code; call symtab_register_node.
8466         (varpool_remove_node): Remove common code; call symtab_unregister_node.
8467
8468 2012-04-16  Richard Guenther  <rguenther@suse.de>
8469
8470         PR middle-end/52977
8471         * tree.h (VECTOR_CST_NELTS): Adjust.
8472         (struct tree_vector): Add explicit length field.
8473         (make_vector_stat): Declare.
8474         (make_vector): Define.
8475         * tree.c (make_vector_stat): New function.
8476         (build_vector_stat): Use it.
8477         * tree-streamer-in.c (streamer_alloc_tree): Likewise.
8478
8479 2012-04-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8480
8481         PR tree-optimization/52976
8482         * tree-ssa-reassoc.c (add_to_ops_vec_max_rank): New function.
8483         (undistribute_ops_list): Ops with repeat counts aren't eligible for
8484         undistribution.
8485         (attempt_builtin_powi): Call add_to_ops_vec_max_rank.
8486
8487 2012-04-16  Jan Hubicka  <jh@suse.cz>
8488
8489         * cgraph.h (FOR_EACH_VARIABLE, FOR_EACH_VARIABLE, FOR_EACH_FUNCTION):
8490         New macros.
8491         * lto-symtab.c (lto_symtab_merge_cgraph_nodes): Use FOR_EACH
8492         walkers to walk cgraph and varpool.
8493         * cgraph.c (cgraph_node_for_asm): Likewise.
8494         (dump_cgraph): Likewise.
8495         * value-prof.c (init_node_map): Likewise.
8496         * tree.c (free_lang_data_in_cgraph): Likewise.
8497         * tree-emutls.c: (ipa_lower_emutls): Likewise.
8498         * ipa-reference.c (generate_summary, propagate): Likewise.
8499         * cgraphunit.c (verify_cgraph, cgraph_process_same_body_aliases,
8500         cgraph_mark_functions_to_output, cgraph_output_in_order,
8501         output_weakrefs, cgraph_materialize_all_clones,
8502         cgraph_optimize): Likewise.
8503         * lto-cgraph.c (merge_profile_summaries): Likewise.
8504         (input_cgraph): Likewise.
8505         * ipa-pure-const.c (generate_summary): Likewise.
8506         (propagate): Likwise.
8507         * ipa-utils.c (ipa_reduced_postorder): Likewise.
8508         (ipa_free_postorder_info): Likewise.
8509         (ipa_reverse_postorder): Likewise.
8510         * ipa-inline.c (ipa_inline): Likewise.
8511         * matrix-reorg.c (find_matrices_decl): Likewise.
8512         (matrix_reorg): Likewise.
8513         * tree-vectorizer.c (increase_alignment): Likewise.
8514         * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
8515         (function_and_variable_visibility): Likewise.
8516         (whole_program_function_and_variable_visibility): Likewise.
8517         (ipa_cdtor_merge): Likewise.
8518         * trans-mem.c (ipa_tm_execute): Likewise.
8519         * ipa-inline-analysis.c (dump_inline_summaries): Likewise.
8520         * ipa-prop.c (ipa_print_all_jump_functions): Likewise.
8521         (ipa_print_all_params): Likewise.
8522         (ipa_update_after_lto_read): Likewise.
8523         * tree-profie.c (tree_profiling): Likewise.
8524         * tree-ssa-structalias.c (ipa_pta_execute): Likewise.
8525         * passes.c (dump_passes): Likewise.
8526         (do_per_function): Likewise.
8527         (ipa_write_summaries): Likewise.
8528         * varpool.c (dump_varpool): Likewise.
8529         (varpool_node_for_asm): Likewise.
8530         (varpool_assemble_pending_decls): Likewise.
8531
8532 2012-04-16  Richard Guenther  <rguenther@suse.de>
8533
8534         PR tree-optimization/52975
8535         * tree-if-conv.c (predicate_bbs): Do not simplify inverted
8536         condition but always mark it with TRUTH_NOT_EXPR.
8537
8538 2012-04-16  Richard Guenther  <rguenther@suse.de>
8539
8540         PR tree-optimization/52975
8541         * tree-ssa-forwprop.c (combine_cond_exprs): New function.
8542         (ssa_forward_propagate_and_combine): Call it for COND_EXPRs
8543         and VEC_COND_EXPRs.  Also combine into VEC_COND_EXPRs condition.
8544         * fold-const.c (operand_equal_p): Handle TARGET_MEM_REF.
8545
8546 2012-04-14  Uros Bizjak  <ubizjak@gmail.com>
8547
8548         * config/i386/sse.md (ssse3_plusminus): New code iterator.
8549         (avx2_ph<plusminus_mnemonic>wv16hi3): Macroize insn from
8550         avx2_ph{add,adds,sub,subs}wv16hi3 using ssse3_plusminus code iterator.
8551         (ssse3_ph<plusminus_mnemonic>wv8hi3): Macroize insn from
8552         ssse3_ph{add,adds,sub,subs}wv8hi3 using ssse3_plusminus code iterator.
8553         (ssse3_ph<plusminus_mnemonic>wv4hi3): Macroize insn from
8554         ssse3_ph{add,adds,sub,subs}wv4hi3 using ssse3_plusminus code iterator.
8555
8556         (avx2_ph<plusminus_mnemonic>dv8si3): Macroize insn from
8557         avx2_ph{add,adds,sub,subs}dv8si3 using plusminus code iterator.
8558         (ssse3_ph<plusminus_mnemonic>dv4si3): Macroize insn from
8559         ssse3_ph{add,adds,sub,subs}dv4si3 using plusminus code iterator.
8560         (ssse3_ph<plusminus_mnemonic>dv2si3): Macroize insn from
8561         ssse3_ph{add,adds,sub,subs}dv2si3 using plusminus code iterator.
8562
8563         (xop_plus): New code iterator.
8564         (macs): New code attribute.
8565         (macds): Ditto.
8566         (xop_p<macs><ssemodesuffix><ssemodesuffix>): Macroize insn from
8567         xop_pmacs{,s}{ww,dd} using xop_plus code iterator and VI24_128 mode
8568         iterator.
8569         (xop_p<macs>dql): Macroize insn from xop_pmacs{,s}dql using
8570         xop_plus code iterator.
8571         (xop_p<macs>dqh): Macroize insn from xop_pmacs{,s}dqh using
8572         xop_plus code iterator.
8573         (xop_p<macs>wd): Macroize insn from xop_pmacs{,s}wd using
8574         xop_plus code iterator.
8575         (xop_p<madcs>wd): Macroize insn from xop_pmadcs{,s}wd using
8576         xop_plus code iterator.
8577
8578         (xop_phadd<u>bw): Macroize insn from xop_phadd{,u}bw usign
8579         any_extend code iterator.
8580         (xop_phadd<u>bd): Macroize insn from xop_phadd{,u}bd usign
8581         any_extend code iterator.
8582         (xop_phadd<u>bq): Macroize insn from xop_phadd{,u}bq usign
8583         any_extend code iterator.
8584         (xop_phadd<u>wd): Macroize insn from xop_phadd{,u}wd usign
8585         any_extend code iterator.
8586         (xop_phadd<u>wq): Macroize insn from xop_phadd{,u}wq usign
8587         any_extend code iterator.
8588         (xop_phadd<u>dq): Macroize insn from xop_phadd{,u}dq usign
8589         any_extend code iterator.
8590
8591 2012-04-14  Tom de Vries  <tom@codesourcery.com>
8592
8593         * cfgcleanup.c (try_optimize_cfg): Replace call to delete_insn_chain by
8594         call to delete_insn.  Remove code to reorder BASIC_BLOCK note and
8595         DELETED_LABEL note, and move it to ...
8596         * cfgrtl.c (delete_insn): ... here.  Change return type to void.
8597         (delete_insn_and_edges): Likewise.
8598         (delete_insn_chain): Handle new return type of delete_insn.  Delete
8599         chain backwards rather than forwards.
8600         * rtl.h (delete_insn, delete_insn_and_edges): Change return type to
8601         void.
8602         * cfglayout.c (fixup_reorder_chain): Delete unused label.
8603
8604 2012-04-14  Jan Hubicka  <jh@suse.cz>
8605
8606         * cgraph.h: Update copyrights;
8607         (symtab_node): Turn to union typedef.
8608         (symtab_node_base): New structure.
8609         (symtab_type): Add SYMTAB_SYMBOL tag.
8610         (cgraph_node): Annotate some pinters with nested_ptr.
8611         (varpool_node): Likewise.
8612         (cgraph_local_info): Remove lto_file_data
8613         and externally_visible.
8614         (cgraph_node): Remove decl; same_comdat_group list;
8615         aux; ref_list; order; address_taken; reachable_from_other_parittion,
8616         in_other_partition; resolution.
8617         (varpool_node): Remove decl; same_comdat_group;
8618         ref_list; lto_file_data; aux; order; resolution; externally_visible;
8619         used_from_other_partition; in_other_partition.
8620         (symtab_node_def): New union.
8621         (cgraph, varpool): Update.
8622         (varpool_first_static_initializer, varpool_next_static_initializer,
8623         cgraph_only_called_directly_or_aliased_p,
8624         varpool_can_remove_if_no_refs, varpool_can_remove_if_no_refs,
8625         varpool_all_refs_explicit_p, cgraph_alias_aliased_node,
8626         varpool_alias_aliased_node, cgraph_edge_recursive_p): Update
8627         field references.
8628         * cgraph.c: Likewise.
8629         (cgraph_hash, assembler_name_hash): Turn into symtab_node.
8630         * cgraphbuild.c: Likewise.
8631         * lto-symtab.c: Likewise.
8632         * c-gimplify.c: Likewise.
8633         * value-prof.c: Likewise.
8634         * tree.c: Likewise.
8635         * ipa-cp.c: Likewise.
8636         * tree-emutls.c: Likewise.
8637         * ipa-inline-transform.c: Likwise.
8638         * ipa-reference.c: Likewise.
8639         * cgraphunit.c: Likewise.
8640         * ipa-ref.c: Likewise.
8641         * lto-cgraph.c: Likewise.
8642         * ipa-ref-inline.h: Likewise.
8643         * ipa-pure-const.c: Likewise.
8644         * lto-streamer-out.c: Likewise.
8645         * ipa-utils.c: Likewise.
8646         * ipa-inline.c: Likewise.
8647         * matrix-reorg.c: Likewise.
8648         * tree-eh.c: Likewise.
8649         * tree-vectorizer.c: Likewise.
8650         * ipa-split.c: Likewise.
8651         * ipa.c: Likewise.
8652         * trans-mem.c: Likewise.
8653         * ipa-inline-analysis.c: Likewise.
8654         * gimplify.c: Likewise.
8655         * cfgexpand.c: Likewise.
8656         * tree-sra.c: Likewise.
8657         * ipa-prop.c: Likewise.
8658         * varasm.c: Likewise.
8659         * tree-nested.c: Likewise.
8660         * tree-inline.c: Likewise.
8661         * tree-profile.c: Likewise.
8662         * tree-ssa-structalias.c: Likewise.
8663         * passes.c: Likewise.
8664         * varpool.c: Likewise.
8665
8666 2012-04-14  Tom de Vries  <tom@codesourcery.com>
8667
8668         * tree-ssa-tail-merge.c (stmt_local_def): New function, factored out of
8669         same_succ_hash, with local_def inlined.  Use SINGLE_SSA_DEF_OPERAND.
8670         Use FOR_EACH_IMM_USE_FAST instead of FOR_EACH_IMM_USE_STMT.  Remove use
8671         of find_edge.
8672         (gsi_advance_fw_nondebug_nonlocal): New function.
8673         (local_def): Removed function.
8674         (same_succ_hash): Use stmt_local_def.
8675         (same_succ_equal): Use gsi_advance_fw_nondebug_nonlocal.
8676         (gsi_advance_bw_nondebug_nonlocal): Use stmt_local_def.
8677
8678 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
8679
8680         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
8681         and __ILP32__ for x32.
8682
8683 2012-04-13  Martin Jambor  <mjambor@suse.cz>
8684
8685         PR middle-end/52939
8686         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
8687         fold_ctor_reference returns a zero constant.
8688
8689 2012-04-13  Enkovich Ilya  <ilya.enkovich@intel.com>
8690
8691         * config.gcc: Add i386/gnu-user-common.h before all
8692         i386/gnu-user.h and i386/gnu-user64.h usages.
8693
8694         * config/i386/gnu-user-common.h: New.
8695
8696         * config/i386/gnu-user.h (CPP_SPEC): Moved to gnu-user-common.h.
8697         (CC1_SPEC): Likewise.
8698         (ENDFILE_SPEC): Likewise.
8699         (DEFAULT_PCC_STRUCT_RETURN): Likewise.
8700         (TARGET_TLS_DIRECT_SEG_REFS_DEFAULT): Likewise.
8701         (TARGET_OS_CPP_BUILTINS): Likewise.
8702         (LIBGCC2_HAS_TF_MODE): Likewise.
8703         (LIBGCC2_TF_CEXT): Likewise.
8704         (TF_SIZE): Likewise.
8705         (TARGET_ASM_FILE_END): Likewise.
8706         (STACK_CHECK_MOVING_SP): Likewise.
8707         (STACK_CHECK_STATIC_BUILTIN): Likewise.
8708         * config/i386/gnu-user64.h: Likewise.
8709
8710 2012-04-13  Martin Jambor  <mjambor@suse.cz>
8711
8712         * expr.c (expand_expr_real_1): Pass type, not the expression, to
8713         set_mem_attributes for a memory temporary. Do not call the function
8714         for the memory temporary created for a bitfield.
8715
8716 2012-04-13  Alexandre Oliva  <aoliva@redhat.com>
8717
8718         PR debug/48866
8719         * df.h (enum debug_temp_where): New.
8720         (dead_debug_init, dead_debug_finish) Declare.
8721         (dead_debug_add, dead_debug_insert_temp): Declare.
8722         (struct dead_debug_use, struct dead_debug): Moved from...
8723         * df-problems.c: ... here.
8724         (df_set_unused_notes_for_mw): Bind debug uses of unused regno
8725         to a debug temp.
8726         (df_create_unused_note): Likewise.
8727         (df_set_dead_notes_for_mw): Move comment where it belongs.
8728         (dead_debug_init): Export.
8729         (dead_debug_reset_uses): New, factored out of...
8730         (dead_debug_finish): ...this.  Export.
8731         (dead_debug_reset): Remove.
8732         (dead_debug_add): Export.
8733         (dead_debug_insert_before): Rename to...
8734         (dead_debug_insert_temp): ... this.  Add where argument.  Export.
8735         Locate stored value for BEFORE_WITH_VALUE.  Avoid repeat inserts.
8736         Return insertion count.
8737         (df_note_bb_compute): Adjust.
8738         * dce.c (word_dce_process_block): Adjust dead debug uses.
8739         (dce_process_block): Likewise.
8740
8741 2012-04-13  Alexandre Oliva  <aoliva@redhat.com>
8742
8743         * df-problems.c (df_note_bb_compute): Do not take note of
8744         debug uses for whose REGs we won't emit DEAD or UNUSED notes.
8745
8746 2012-04-13  Alexandre Oliva  <aoliva@redhat.com>
8747
8748         PR debug/51570
8749         * var-tracking.c (expand_depth): New type.
8750         (onepart_aux, expand_loc_callback_data): Change depth type to it.
8751         (loc_exp_dep_alloc): Adjust initializer.
8752         (update_depth): Use new type.  Add entryvals.
8753         (vt_expand_var_loc_chain): Take note of expansions with
8754         ENTRY_VALUEs, but don't accept them right away.  Run an optional
8755         second pass accepting the minimum ENTRY_VALUE count found in the
8756         first pass.
8757         (vt_expand_loc_callback, INIT_ELCD): Adjust.
8758
8759 2012-04-13  Tom de Vries  <tom@codesourcery.com>
8760
8761         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
8762         parameters vuse and vuse_escaped.
8763         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
8764         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
8765         vuse1 != vuse2.
8766
8767 2012-04-13  Richard Guenther  <rguenther@suse.de>
8768
8769         PR tree-optimization/52969
8770         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
8771         the condition for the COND_EXPR and handle predicate negation
8772         by swapping the COND_EXPR arms.
8773
8774 2012-04-13  Nick Clifton  <nickc@redhat.com>
8775
8776         * config/rl78/rl78.c (rl78_devirt_pass): Remove use of
8777         TODO_dump_func flag.
8778
8779 2012-04-13  Andrey Belevantsev  <abel@ispras.ru>
8780
8781         PR rtl-optimization/52203
8782         PR rtl-optimization/52715
8783
8784         Revert the 2012-03-07 fix for PR 52203.
8785         * sel-sched.c (reset_sched_cycles_in_current_ebb): Check that
8786         the insn does not modify DFA right before issuing, adjust
8787         issue_rate accordingly.
8788
8789 2012-04-13  Richard Guenther  <rguenther@suse.de>
8790
8791         PR c/52549
8792         * c-typeck.c (pointer_diff): Remove bogus assert.
8793
8794 2012-04-13  Richard Guenther  <rguenther@suse.de>
8795
8796         PR c/52862
8797         * convert.c (convert_to_pointer): Remove special-casing of zero.
8798
8799 2012-04-13  Joey Ye  <joey.ye@arm.com>
8800
8801         * config/arm/constraints.md (Pe): New constraint.
8802         * config/arm/arm.md: New split for imm 256-510.
8803
8804 2012-04-13  Terry Guo  <terry.guo@arm.com>
8805
8806         * config/arm/arm-cores.def: Added core cortex-m0plus.
8807         * config/arm/arm-tune.md: Regenerated.
8808         * config/arm/arm-tables.opt: Regenerated.
8809         * doc/invoke.texi: Added entry for cpu ARM cortex-m0plus.
8810
8811 2012-04-13  Alan Modra  <amodra@gmail.com>
8812
8813         PR target/52828
8814         * config/rs6000/rs6000.c (rs6000_emit_stack_tie): Rewrite with
8815         tie regs on destination of sets.  Delete forward declaration.
8816         (rs6000_emit_stack_reset): Update rs6000_emit_stack_tie calls.
8817         (rs6000_emit_prologue): Likewise.
8818         (rs6000_emit_epilogue): Likewise.  Use in place of gen_frame_tie
8819         and gen_stack_tie.
8820         (is_mem_ref): Use tie_operand to recognise stack ties.
8821         * config/rs6000/predicates.md (tie_operand): New.
8822         * config/rs6000/rs6000.md (restore_stack_block): Generate new
8823         stack tie rtl.
8824         (restore_stack_nonlocal): Likewise.
8825         (stack_tie): Update.
8826         (frame_tie): Delete.
8827
8828 2012-04-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8829
8830         * tree-ssa-reassoc.c (attempt_builtin_powi_stats): Change %ld to
8831         HOST_WIDE_INT_PRINT_DEC in format strings.
8832
8833 2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
8834
8835         PR target/52932
8836         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
8837         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
8838         * config/i386/sse.md (UNSPEC_VPERMVAR): New.
8839         (UNSPEC_VPERMSI, UNSPEC_VPERMSF): Remove.
8840         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
8841         (avx2_permvar<mode>): Macroize insn from avx2_permvarv8sf and
8842         avx2_permvarv8si using VI4F_256 mode iterator.
8843         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
8844         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
8845         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
8846         gen_avx2_permvarv8sf.
8847         (expand_vec_perm_pshufb): Ditto.
8848
8849 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
8850
8851         PR target/52775
8852         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
8853         the list of options to enable the FCFID instruction.
8854         (TARGET_EXTRA_BUILTINS): Adjust comment.
8855
8856 2012-04-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8857
8858         PR tree-optimization/18589
8859         * tree-ssa-reassoc.c (reassociate_stats): Add two fields.
8860         (operand_entry): Add count field.
8861         (add_repeat_to_ops_vec): New function.
8862         (completely_remove_stmt): Likewise.
8863         (remove_def_if_absorbed_call): Likewise.
8864         (remove_visited_stmt_chain): Remove feeding builtin pow/powi calls.
8865         (acceptable_pow_call): New function.
8866         (linearize_expr_tree): Look for builtin pow/powi calls and add operand
8867         entries with repeat counts when found.
8868         (repeat_factor_d): New struct and associated typedefs.
8869         (repeat_factor_vec): New static vector variable.
8870         (compare_repeat_factors): New function.
8871         (get_reassoc_pow_ssa_name): Likewise.
8872         (attempt_builtin_powi): Likewise.
8873         (reassociate_bb): Call attempt_builtin_powi.
8874         (fini_reassoc): Two new calls to statistics_counter_event.
8875
8876 2012-04-12  Richard Guenther  <rguenther@suse.de>
8877
8878         * Makefile.in (cgraphunit.o): Add $(EXCEPT_H) dependency.
8879         * cgraph.h (tree_rest_of_compilation): Remove.
8880         * cgraph.c (cgraph_add_new_function): Move ...
8881         * cgraphunit.c (cgraph_add_new_function): ... here.
8882         (tree_rest_of_compilation): Make static.
8883         (cgraph_expand_function): Do not set cgraph_function_flags_ready.
8884         * tree-optimize.c (gate_all_optimizations, pass_all_optimizations,
8885         gate_all_early_local_passes, execute_all_early_local_passes,
8886         pass_early_local_passes, gate_all_early_optimizations,
8887         pass_all_early_optimizations): Move ...
8888         * passes.c (gate_all_optimizations, pass_all_optimizations,
8889         gate_all_early_local_passes, execute_all_early_local_passes,
8890         pass_early_local_passes, gate_all_early_optimizations,
8891         pass_all_early_optimizations): ... here.
8892         * tree-optimize.c (execute_free_datastructures): Remove.
8893         * tree-flow.h (execute_free_datastructures): Remove.
8894         * tree-optimize.c (execute_init_datastructures,
8895         pass_init_datastructures): Move ...
8896         * tree-ssa.c (execute_init_datastructures,
8897         pass_init_datastructures): ... here.
8898         * cfgexpand.c (gimple_expand_cfg): Inline-expand call to
8899         execute_free_datastructures.
8900
8901 2012-04-12  Bernd Schmidt  <bernds@codesourcery.com>
8902
8903         * dbgcnt.def (ira_move): New counter.
8904         * ira-int.h (ira_create_new_reg): Declare function.
8905         (first_moveable_pseudo, last_moveable_pseudo): Declare variables.
8906         * ira-emit.c (ira_create_new_reg): Renamed from craete_new_reg and
8907         no longer static.  All callers changed.
8908         * ira.c: Include "dbgcnt.h".
8909         (rtx_moveable_p, insn_dominated_by_p, find_moveable_pseudos,
8910         move_unallocated_pseudos): New static functions.
8911         (first_moveable_pseudo, last_moveable_pseudo): New global variables.
8912         (pseudo_replaced_reg, pseudo_move_insn): New static variables.
8913         (ira): Call find_moveable_pseudos and move_unallocated_pseudos.
8914         * ira-costs.c (find_costs_and_classes): Assign a memory cost of zero
8915         to the pseudos generated in find_moveable_pseudos.
8916         * Makefile.in (ira.o): Add $(DBGCNT_H).
8917
8918 2012-04-12  Richard Guenther  <rguenther@suse.de>
8919
8920         PR tree-optimization/52943
8921         * tree-chrec.h (chrec_is_positive): Remove.
8922         * tree-scalar-evolution.c (chrec_is_positive): Move ...
8923         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
8924         Return false for a constant zero instead of negative.
8925         (analyze_siv_subscript_cst_affine): Handle zero difference
8926         in the initial condition explicitely.
8927
8928 2012-04-12  Richard Guenther  <rguenther@suse.de>
8929
8930         * tree-parloops.c (parallelize_loops): Also consult the upper
8931         bound for the number of iterations.
8932         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Likewise.
8933         (loop_prefetch_arrays): Likewise.
8934
8935 2012-04-12  Richard Guenther  <rguenther@suse.de>
8936
8937         * cfgloop.h (estimated_loop_iterations_int): Ditch
8938         'conservative' parameter.
8939         (max_stmt_executions_int): Likewise.
8940         (estimated_loop_iterations): Likewise.
8941         (max_stmt_executions): Likewise.
8942         (max_loop_iterations): Declare.
8943         (max_loop_iterations_int): Likewise.
8944         (estimated_stmt_executions): Likewise.
8945         (estimated_stmt_executions_int): Likewise.
8946         * tree-ssa-loop-niter.c (estimated_loop_iterations):
8947         Split parts to ...
8948         (max_loop_iterations): ... this.
8949         (estimated_loop_iterations_int): Split parts to ...
8950         (max_loop_iterations_int): ... this.
8951         (max_stmt_executions_int): Split parts to ...
8952         (estimated_stmt_executions_int): ... this.
8953         (max_stmt_executions): Split parts to ...
8954         (estimated_stmt_executions): ... this.
8955         * graphite-sese-to-poly.c (build_loop_iteration_domains): Adjust.
8956         * predict.c (predict_loops): Likewise.
8957         * tree-data-ref.c (max_stmt_executions_tree): Likewise.
8958         (analyze_siv_subscript_cst_affine): Likewise.
8959         (compute_overlap_steps_for_affine_1_2): Likewise.
8960         (analyze_subscript_affine_affine): Likewise.
8961         (init_omega_for_ddr_1): Likewise.
8962         * tree-parloops.c (parallelize_loops): Likewise.
8963         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
8964         (may_eliminate_iv): Likewise.
8965         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Likewise.
8966         (loop_prefetch_arrays): Likewise.
8967         * tree-vrp.c (adjust_range_with_scev): Likewise.
8968
8969 2012-04-12  Oleg Endo  <olegendo@gcc.gnu.org>
8970
8971         * config/sh/sh.h (RETURN_ADDR_RTX): Use NULL_RTX instead of 0.
8972         * config/sh/sh.c (INSN_REGMODE_WEIGHT, CURR_REGMODE_PRESSURE):
8973         Fix line width.
8974         (dump_table): Use bool type for need_align and have_df variables.
8975         (find_barrier, sfunc_uses_reg): Use NULL_RTX instead of 0.
8976         (regs_used): Remove register modifier.
8977         (barrier_align): Move variables slot, credit, jump_to_next
8978         into if block above for loop.  Use bool type for jump_to_next.
8979         (sh_function_arg): Use NULL_RTX instead of 0.
8980
8981 2012-04-11  Andreas Schwab  <schwab@linux-m68k.org>
8982
8983         * config/m68k/m68k.md (rotrhi3+1): Name it rotrhi_lowpart.
8984         (bswapsi2): New expander.
8985
8986 2012-04-11  H.J. Lu  <hongjiu.lu@intel.com>
8987
8988         * config/host-linux.c (TRY_EMPTY_VM_SPACE): Defined to
8989         0x60000000 if __x86_64 is defined and __LP64__ isn't defined.
8990
8991 2012-04-11  H.J. Lu  <hongjiu.lu@intel.com>
8992
8993         PR rtl-optimization/52876
8994         * emit-rtl.c (set_reg_attrs_from_value): Handle arbitrary value.
8995         Don't call mark_reg_pointer for incompatible pointer sign extension.
8996
8997         * reginfo.c (reg_scan_mark_refs): Call set_reg_attrs_from_value
8998         directly.
8999
9000 2012-04-11  Bernd Schmidt  <bernds@codesourcery.com>
9001
9002         * fold-const.c (fold_unary_loc): Use GET_MODE_PRECISION for
9003         comparisons against TYPE_PRECISION.
9004         * tree-ssa-forwprop.c (combine_conversions): Likewise.
9005
9006 2012-04-11  Xinliang David Li  <davidxl@google.com>
9007
9008         * tree-passes.h: Remove TODO_dump_func.
9009         * tree-ssa-tail-merge.c (tail_merge_optimize): Remove TODO_dump_func.
9010         * trans-mem.c: Remove TODO_dump_func.
9011         * ira.c: Remove TODO_dump_func.
9012
9013 2012-04-11  H.J. Lu  <hongjiu.lu@intel.com>
9014
9015         * config/i386/i386.c (ix86_option_override_internal): Check
9016         SUBTARGET_OVERRIDE_OPTIONS and SUBSUBTARGET_OVERRIDE_OPTIONS
9017         after TARGET_64BIT is updated.
9018
9019 2012-04-11  Oleg Endo  <olegendo@gcc.gnu.org>
9020
9021         * config/sh/sh.h: Remove old secondary reload code.
9022
9023 2012-04-11  Oleg Endo  <olegendo@gcc.gnu.org>
9024
9025         * config/sh/sh.c (SCHED_REORDER): Merge macro into ...
9026         (ready_reorder): ... this function.
9027
9028 2012-04-11  Bernd Schmidt  <bernds@codesourcery.com>
9029
9030         * sel-sched.c (sel_global_init): Swap order of sched_rgn_init and
9031         sched_init calls.
9032
9033         * haifa-sched.c (prune_ready_list): Rework handling of SCHED_GROUP_P
9034         insns so that no other insn is queued for a time before them.
9035
9036         * config/c6x/c6x.md (load_got_gotoff): Set op_pattern attribute to
9037         unknown.
9038
9039 2012-04-11  Richard Guenther  <rguenther@suse.de>
9040
9041         PR middle-end/52621
9042         * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
9043         consider loop nesting.
9044         (evolution_function_is_univariate_p): Properly check the remainder
9045         for chrecs.
9046
9047 2012-04-11  Richard Guenther  <rguenther@suse.de>
9048
9049         PR middle-end/52918
9050         * except.c (sjlj_emit_dispatch_table): Properly update loop structure.
9051
9052 2012-04-11  Nick Clifton  <nickc@redhat.com>
9053
9054         * config/rl78/rl78.c (rl78_expand_prologue): Set stack use
9055         information, if requested.
9056
9057         * config/rx/rx.c (rx_expand_prologue): Likewise.
9058
9059 2012-04-11  Peter Bergner  <bergner@vnet.ibm.com>
9060             Michael Matz  <matz@suse.de>
9061
9062         PR target/16458
9063         * rtlanal.c (unsigned_reg_p): New function.
9064         Update copyright notice dates.
9065         * rtl.h (unsigned_reg_p): Prototype it.
9066         Update copyright notice dates.
9067         * config/rs6000/rs6000.c (rs6000_generate_compare): Use it.
9068         Update comment.
9069         * expr.c (expand_expr_real_1): Set register attributes.
9070         * stmt.c (expand_case): Likewise.
9071
9072 2012-04-11  Oleg Endo  <olegendo@gcc.gnu.org>
9073
9074         PR target/50751
9075         * config/sh/sh-protos.h (sh_legitimate_index_p): Add new arguments
9076         consider_sh2a and allow_zero.
9077         * config/sh/sh.c (sh_legitimate_index_p): Likewise.
9078         (disp_addr_displacement): New function.
9079         (sh_address_cost): Use disp_addr_displacement function instead
9080         of DISP_ADDR_OFFSET.
9081         (sh_legitimate_address_p): Adapt to changed
9082         sh_legitimate_index_p declaration.
9083         (sh_find_mov_disp_adjust): Remove HImode check.
9084         (sh_secondary_reload): Add HImode case.  Use satisfies_constraint_Sdd,
9085         disp_addr_displacement and max_mov_insn_displacement.
9086         (max_mov_insn_displacement): Remove HImode check.
9087         * config/sh/sh.h (CONST_OK_FOR_K04, CONST_OK_FOR_K12,
9088         DISP_ADDR_P, DISP_ADDR_OFFSET): Remove.
9089         * config/sh/constraints.md (K05, K13): New constraints.
9090         (K12): Correct comment.
9091         (Sdd): Do not use DISP_ADDR_P macro.
9092         (Snd, Sbw): Use satisfies_constraint_Sdd.
9093         * config/sh/sh.md (extendhisi2): Remove constraints from expander.
9094         (*extendhisi2_compact, movhi_i): Remove.
9095         (*extendhisi2_compact_reg, *extendhisi2_compact_mem_disp,
9096         *extendhisi2_compact_mem_disp, *extendhisi2_compact_snd,
9097         *movhi_reg_reg, *movhi_store_mem_disp05, *movhi_store_mem_disp13,
9098         *movhi_load_mem_disp, *movhi_load_mem_disp, *movhi): New insns.
9099         (*extendqisi2_compact_mem_disp, *extendqisi2_compact_mem_disp,
9100         *movqi_store_mem_disp04, *movqi_store_mem_disp12, *movqi_load_mem_disp,
9101         *movqi_load_mem_disp): Use sh_legitimate_index_p instead of
9102         CONST_OK_FOR_Kxx.
9103         Add new peepholes for HImode displacement addressing.
9104
9105 2012-04-11  Oleg Endo  <olegendo@gcc.gnu.org>
9106
9107         * config/sh/sh.h (SIDI_OFF): Remove.
9108         * config/sh/sh.md: Use gen_highpart and gen_lowpart to access
9109         DImode subregs instead of gen_rtx_REG or simplifly_gen_subreg
9110         or operand_subword.
9111
9112 2012-04-11  Eric Botcazou  <ebotcazou@adacore.com>
9113
9114         PR target/52624
9115         * doc/extend.texi (Other Builtins): Document __builtin_bswap16.
9116         (PowerPC AltiVec/VSX Built-in Functions): Remove it.
9117         * doc/md.texi (Standard Names): Add bswap.
9118         * builtin-types.def (BT_UINT16): New primitive type.
9119         (BT_FN_UINT16_UINT16): New function type.
9120         * builtins.def (BUILT_IN_BSWAP16): New.
9121         * builtins.c (expand_builtin_bswap): Add TARGET_MODE argument.
9122         (expand_builtin) <BUILT_IN_BSWAP16>: New case.  Pass TARGET_MODE to
9123         expand_builtin_bswap.
9124         (fold_builtin_bswap): Add BUILT_IN_BSWAP16 case.
9125         (fold_builtin_1): Likewise.
9126         (is_inexpensive_builtin): Likewise.
9127         * optabs.c (expand_unop): Deal with bswap in HImode specially.  Add
9128         missing bits for bswap to libcall code.
9129         * tree.c (build_common_tree_nodes): Build uint16_type_node.
9130         * tree.h (enum tree_index): Add TI_UINT16_TYPE.
9131         (uint16_type_node): New define.
9132         * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_BSWAP_HI): Delete.
9133         * config/rs6000/rs6000.c (rs6000_expand_builtin): Remove handling of
9134         above builtin.
9135         (rs6000_init_builtins): Likewise.
9136         * config/rs6000/rs6000.md (bswaphi2): Add TARGET_POWERPC predicate.
9137
9138 2012-04-11  Tristan Gingold  <gingold@adacore.com>
9139
9140         * doc/extend.texi (Type Attributes): Move paragraph.
9141
9142 2012-04-11  Manuel López-Ibáñez  <manu@gcc.gnu.org>
9143
9144         PR 24985
9145         * diagnostic.h (show_caret): Declare.
9146         (caret_max_width): Declare.
9147         (diagnostic_show_locus): Declare.
9148         * diagnostic.c (diagnostic_initialize): Initialize to false.
9149         (diagnostic_show_locus): New.
9150         (diagnostic_report_diagnostic): Call it.
9151         (getenv_columns): New.
9152         (adjust_line): New.
9153         (diagnostic_set_caret_max_width): New.
9154         * input.c (read_line): New.
9155         (location_get_source_line): New.
9156         * input.h (location_get_source_line): Declare.
9157         * toplev.c (general_init): Initialize show_caret from options.
9158         * dwarf2out.c (gen_producer_string): Handle fdiagnostics-show-caret.
9159         * opts.c (common_handle_option): Likewise.
9160         * pretty-print.h (pp_get_prefix): New.
9161         (pp_base_get_prefix): New.
9162         * common.opt (fdiagnostics-show-caret): New option.
9163         * doc/invoke.texi (fdiagnostics-show-caret): Document it.
9164
9165 2012-04-11  Richard Guenther  <rguenther@suse.de>
9166
9167         PR rtl-optimization/52881
9168         * ifcvt.c (find_if_case_2): Avoid speculating loop latches.
9169
9170 2012-04-11  Richard Guenther  <rguenther@suse.de>
9171
9172         PR tree-optimization/52912
9173         * tree-ssa-threadupdate.c (thread_block): Tell the cfg
9174         manipulation code we are threading through a loop header
9175         to an exit destination.
9176
9177 2012-04-10  Manuel López-Ibáñez  <manu@gcc.gnu.org>
9178
9179         * tree.h (warn_if_unused_value): Move declaration from here.
9180         * stmt.c (warn_if_unused_value): Move definition from here.
9181
9182 2012-04-10  Michael Matz  <matz@suse.de>
9183
9184         * tree-vectorizer.h (_loop_vec_info.strided_stores): Rename to
9185         grouped_stores.
9186         (LOOP_VINFO_STRIDED_STORES): Rename to LOOP_VINFO_GROUPED_STORES.
9187         (struce _bb_vec_info.strided_stores): Rename to grouped_stores.
9188         (BB_VINFO_STRIDED_STORES): Rename to BB_VINFO_GROUPED_STORES.
9189         (STMT_VINFO_STRIDED_ACCESS): Rename to STMT_VINFO_GROUPED_ACCESS.
9190         (vect_strided_store_supported): Rename to vect_grouped_store_supported.
9191         (vect_strided_load_supported): Rename to vect_grouped_load_supported.
9192         (vect_transform_strided_load): Rename to vect_transform_grouped_load.
9193         (vect_record_strided_load_vectors): Rename to
9194         vect_record_grouped_load_vectors.
9195         * tree-vect-data-refs.c (vect_update_misalignment_for_peel):
9196         Rename use of above macros.
9197         (vect_verify_datarefs_alignment): Ditto.
9198         (vector_alignment_reachable_p): Ditto.
9199         (vect_peeling_hash_get_lowest_cost): Ditto.
9200         (vect_enhance_data_refs_alignment): Ditto.
9201         (vect_analyze_group_access): Ditto and rename stride to groupsize.
9202         (vect_analyze_data_ref_access): Rename "strided" to "grouped".
9203         (vect_strided_store_supported): Rename to vect_grouped_store_supported.
9204         (vect_strided_load_supported): Rename to vect_grouped_load_supported.
9205         (vect_transform_strided_load): Rename to vect_transform_grouped_load.
9206         (vect_record_strided_load_vectors): Rename to
9207         vect_record_grouped_load_vectors.
9208         * tree-vect-loop.c (new_loop_vec_info): Rename use of above macros.
9209         (destroy_loop_vec_info): Ditto.
9210         (vect_transform_loop): Ditto and rename strided_store to grouped_store.
9211         * tree-vect-slp.c (vect_build_slp_tree): Rename use of above macros.
9212         (vect_analyze_slp): Ditto.
9213         (new_bb_vec_info): Ditto.
9214         (destroy_bb_vec_info): Ditto.
9215         (vect_schedule_slp_instance): Ditto and rename strided_store to
9216         grouped_store.
9217         * tree-vect-stmts.c (vect_cost_strided_group_size): Rename to
9218         vect_cost_group_size.
9219         (vect_model_store_cost): Rename use of above macros and call
9220         to vect_cost_strided_group_size.
9221         (vect_model_load_cost): Ditto.
9222         (vectorizable_store): Ditto, rename strided_store to grouped_store
9223         and calls to renamed tree-vectorizer.h functions.
9224         (vectorizable_load): Ditto.
9225         (vect_transform_stmt): Rename use of above macros and strided_store
9226         to grouped_store.
9227
9228 2012-04-10  Jan Hubicka  <jh@suse.cz>
9229
9230         * cgraph.h: Remove misledaing comment on ipa-ref.h.
9231         (symtab_type): New enum.
9232         (symtab_node): New structure.
9233         (cgraph_node, varpool_node): Add symbol base type.
9234         (cgraph, varpool): New accestor functions.
9235         * cgraph.c (cgraph_create_node_1): Set symbol type.
9236         * varpool.c (varpool_node): Set symbol type.
9237
9238 2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
9239             Richard Sandiford  <rdsandiford@googlemail.com>
9240
9241         * fwprop.c (propagate_rtx): Also set PR_CAN_APPEAR for subregs.
9242
9243 2012-04-10  Richard Guenther  <rguenther@suse.de>
9244
9245         PR middle-end/52888
9246         * gimple-low.c (gimple_check_call_args): Properly account for
9247         compatible aggregate types.
9248
9249 2012-04-10  Richard Guenther  <rguenther@suse.de>
9250
9251         * toplev.h (tree_rest_of_compilation): Remove.
9252         * tree-optimize.c (tree_rest_of_compilation): Likewise.
9253         * cgraph.h (tree_rest_of_compilation): Declare.
9254         * tree-optimize.c (tree_rest_of_compilation): Move ...
9255         * cgraphunit.c (tree_rest_of_compilation): ... here.
9256         * cgraph.c (cgraph_add_new_function): Adjust.
9257         * Makefile.in (tree-optimize.o): Adjust.
9258         (cgraphunit.o): Likewise.
9259
9260 2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
9261
9262         PR tree-optimization/52870
9263         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
9264         presumed pattern statement is within the same loop or basic block.
9265
9266 2012-04-10  Tristan Gingold  <gingold@adacore.com>
9267
9268         * gengtype.c (main): Make uintptr_t a known type.
9269
9270 2012-04-10  Richard Guenther  <rguenther@suse.de>
9271
9272         * tree-pass.h (tree_lowering_passes): Remove.
9273         * tree-optimize.c (tree_lowering_passes): Remove.
9274         * cgraph.c (cgraph_add_new_function): Inline relevant parts
9275         of tree_lowering_passes, avoid redundant call of early local passes.
9276         * cgraphunit.c (cgraph_lower_function): Fold into ...
9277         (cgraph_analyze_function): ... its single caller.  Inline
9278         relevant parts of tree_lowering_passes.
9279
9280 2012-04-09  H.J. Lu  <hongjiu.lu@intel.com>
9281
9282         PR other/52777
9283         * config/pa/pa.opt: Remove SIO and GNU_LD.
9284
9285 2012-04-09  Jan Hubicka  <jh@suse.cz>
9286
9287         PR lto/52722
9288         PR lto/51765
9289         PR lto/52634
9290         * lto-cgraph.c (compute_ltrans_boundary): When alias is in the
9291         boundary, add its target too.
9292         * lto.c (add_references_to_partition): Add also aliased nodes.
9293         (add_cgraph_node_to_partition,
9294         add_varpool_node_to_partition): Work on nodes, not functions/variables;
9295         when adding alias, add also the aliased object.
9296
9297 2012-04-09  Uros Bizjak  <ubizjak@gmail.com>
9298
9299         PR target/52883
9300         * config/i386/predicates.md (x86_64_zext_general_operand): Prevent
9301         VOIDmode immediate operands.
9302         * config/i386/constraints.md (Wz): New constraint.
9303         * config/i386/i386.md (*zero_extendsidi2_rex64): Use Wz instead of Z.
9304
9305 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
9306
9307         PR target/52717
9308         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
9309         the DECL generated for the special GOT helper.
9310
9311 2012-04-09  Oleg Endo  <olegendo@gcc.gnu.org>
9312
9313         * config/sh/constraints.md: Update list of constraints in
9314         comment block.
9315         (Sr0): Remove unused memory constraint.
9316
9317 2012-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
9318
9319         * tree-pretty-print.h: Update comment.
9320
9321 2012-04-08  Oleg Endo  <olegendo@gcc.gnu.org>
9322
9323         * config/sh/sh.md: Use braced string notation where applicable.
9324         (*prefetch_i4, prefetch_m2a): Merge into ...
9325         (*prefetch): ... this new insn.
9326
9327 2012-04-07  Oleg Endo  <olegendo@gcc.gnu.org>
9328
9329         * config/sh/sh.h (high_life_started): Remove
9330         * config/sh/predicates.md (general_movdst_operand): Use
9331         'reload_in_progress' instead of 'high_life_started'.
9332         * config/sh/sh.md (divsi_inv_call, *divsi_inv_call_combine,
9333         divsi_inv_fp): Likewise.
9334
9335 2012-04-07  Oleg Endo  <olegendo@gcc.gnu.org>
9336
9337         * config/sh/sh-protos.h (prepare_move_operands): Return void
9338         instead of int.
9339         * config/sh/sh.c (prepare_move_operands): Likewise.
9340         * config/sh/sh.md: Remove return value checks of prepare_move_operands.
9341
9342 2012-04-07  Oleg Endo  <olegendo@gcc.gnu.org>
9343
9344         * config/sh/sh-protos.h (fp_int_operand, symbol_ref_operand,
9345         general_movsrc_operand, general_movdst_operand, arith_reg_operand,
9346         fp_arith_reg_operand, arith_operand, arith_reg_or_0_operand,
9347         logical_operand, fpscr_operand, fpul_operand, expand_fp_branch,
9348         commutative_float_operator, noncommutative_float_operator,
9349         sh_handle_pragma): Remove.
9350
9351 2012-04-06  Sandra Loosemore  <sandra@codesourcery.com>
9352
9353         * doc/invoke.texi:  Clean up Texinfo markup throughout the file.
9354         Use @option markup on command-line options.  Use @samp markup on
9355         literal keywords to options.  Use @code markup on code fragments.
9356         Use other markup in preference to quotation marks in the text.
9357         Add markup to some passages without any.
9358
9359 2012-04-06  Mike Stump  <mikestump@comcast.net>
9360
9361         * gimple-fold.c (gimple_fold_stmt_to_constant_1): Avoid warning.
9362
9363 2012-04-06  Oleg Endo  <olegendo@gcc.gnu.org>
9364
9365         * config/sh/sh.c (hi_const): Remove.
9366         (find_barrier, sh_reorg): Use satisfies_constraint_I16 instead
9367         of hi_const.
9368
9369 2012-04-06  Oleg Endo  <olegendo@gcc.gnu.org>
9370
9371         * config/sh/sh-protos.h (sh_expand_t_scc): Change return type from int
9372         to bool.
9373         * config/sh/sh.c (sh_expand_t_scc): Likewise.
9374         * config/sh/sh.md (cstoresi4, cstoredi4): Remove GET_CODE checks before
9375         calling sh_expand_t_scc.
9376
9377 2012-04-06  Oleg Endo  <olegendo@gcc.gnu.org>
9378
9379         * config/sh/sh-protos.h (fp_zero_operand, fp_one_operand,
9380         nonpic_symbol_mentioned_p, expand_block_move, expand_ashiftrt,
9381         sh_dynamicalize_shift_p, gen_shl_and, gen_shl_sext, system_reg_operand,
9382         reg_unused_after, sh_can_redirect_branch, sh_need_epilogue, fldi_ok,
9383         sh_hard_regno_rename_ok, sh_cfun_interrupt_handler_p,
9384         sh_cfun_resbank_handler_p, sh_attr_renesas_p, sh_cfun_attr_renesas_p,
9385         check_use_sfunc_addr, sh_contains_memref_p, sh_loads_bankedreg_p,
9386         sh2a_is_function_vector_call): Use bool as return type.
9387         (sh_pass_in_reg_p): Remove.
9388         * config/sh/sh.c (broken_move, mova_p, noncall_uses_reg, high_pressure,
9389         flow_dependent_p, sh2a_function_vector_p, expand_block_move,
9390         expand_ashiftrt, sh_dynamicalize_shift_p, gen_shl_and, gen_shl_sext,
9391         sh_need_epilogue, sh2a_is_function_vector_call, sh_attr_renesas_p,
9392         sh_cfun_attr_renesas_p, sh_cfun_interrupt_handler_p,
9393         sh_cfun_resbank_handler_p, system_reg_operand, fp_zero_operand,
9394         fp_one_operand, fldi_ok, reg_unused_after, sh_can_redirect_branch,
9395         sh_hard_regno_rename_ok, check_use_sfunc_addr, sh_contains_memref_p,
9396         sh_loads_bankedreg_p): Use bool as return type.
9397         (nonpic_symbol_mentioned_p): Use bool as return type.  Remove
9398         'register' modifier.
9399
9400 2012-04-06  Matt Turner  <mattst88@gmail.com>
9401
9402         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
9403
9404 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
9405
9406         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
9407         of the destination isn't also a FP_REGS register.
9408
9409 2012-04-05  Teresa Johnson  <tejohnson@google.com>
9410             H.J. Lu  <hongjiu.lu@intel.com>
9411
9412         * config/i386/i386.h (ix86_tune_indices): Add X86_TUNE_LCP_STALL.
9413         * config/i386/i386.md (move immediate to memory peephole2):
9414         Add cases for HImode move when LCP stall avoidance is needed.
9415         * config/i386/i386.c (initial_ix86_tune_features): Initialize
9416         X86_TUNE_LCP_STALL entry.
9417
9418 2012-04-05  Uros Bizjak  <ubizjak@gmail.com>
9419
9420         PR target/52882
9421         * config/i386/i386.c (ix86_decompose_address): Allow VOIDmode
9422         CONST_INT operands, zero-extended with AND.
9423
9424 2012-04-05  Oleg Endo  <olegendo@gcc.gnu.org>
9425
9426         PR target/50751
9427         * config/sh/sh.c (sh_find_mov_disp_adjust): Take machine_mode as the
9428         first argument instead of mode size.  Move displacement calculations
9429         to ...
9430         (mov_insn_size, max_mov_insn_displacement, mov_insn_alignment_mask):
9431         ... these new functions.
9432         (disp_adjust): Remove max_mov_disp field.
9433         (sh_legitimate_index_p): Use max_mov_insn_displacement and
9434         mov_insn_alignment_mask.
9435         (sh_address_cost): Use max_mov_insn_displacement.
9436
9437 2012-04-05  Andrew Stubbs  <ams@codesourcery.com>
9438
9439         * config/arm/arm.md (arch): Add neon_onlya8 and neon_nota8.
9440         (arch_enabled): Handle new arch types.
9441         (one_cmpldi2): Add NEON support.
9442
9443 2012-04-05  Richard Guenther  <rguenther@suse.de>
9444
9445         * gimple.c (walk_gimple_op): Compute val_only for the LHS
9446         of an assigment in the canonical way, avoiding is_gimple_mem_rhs.
9447         (is_gimple_mem_rhs, is_gimple_reg_rhs, is_gimple_stmt): Move ...
9448         * gimplify.c (is_gimple_mem_rhs, is_gimple_reg_rhs, is_gimple_stmt):
9449         ... here and make static.
9450         * gimple.h (is_gimple_mem_rhs, is_gimple_reg_rhs, is_gimple_stmt):
9451         Remove.
9452
9453 2012-04-05  Richard Guenther  <rguenther@suse.de>
9454
9455         * tree-ssa-dse.c (dse_optimize_stmt): Remember the stmt
9456         basic-block before removing it.
9457
9458 2012-04-05  Richard Guenther  <rguenther@suse.de>
9459
9460         * tree-ssanames.c (release_dead_ssa_names): Compact the SSA
9461         version namespace as we release the freelist.
9462
9463 2012-04-05  Richard Guenther  <rguenther@suse.de>
9464
9465         * tree-nrv.c (tree_nrv): Release VDEFs.
9466         * tree-sra.c (sra_modify_constructor_assign): Likewise.
9467         (sra_modify_assign): Likewise.
9468         * tree-vect-stmts.c (vect_remove_stores): Likewise.
9469         * tree-vect-loop.c (vect_transform_loop): Likewise.
9470         * tree-ssa-dom.c (optimize_stmt): Likewise.
9471         * tree-vect-slp.c (vect_schedule_slp): Likewise.
9472         * tree-ssa-math-opts.c (execute_cse_sincos): Likewise.
9473
9474 2012-04-05  Richard Guenther  <rguenther@suse.de>
9475
9476         * gimple-iterator.c (gsi_remove): Return whether EH edges need to be
9477         cleanup.
9478         * gimple.h (gsi_remove): Adjust.
9479         * tree-ssa-operands.c (unlink_stmt_vdef): Optimize.
9480         * tree-ssa-dom.c (optimize_stmt): Use gsi_remove result.
9481         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
9482         * tree-ssa-forwprop.c (remove_prop_source_from_use): Likewise.
9483         * tree-ssa-math-opts.c (execute_optimize_widening_mul): Likewise.
9484         * tree-ssa-pre.c (eliminate): Likewise.
9485
9486 2012-04-04  Mike Stump  <mikestump@comcast.net>
9487
9488         * doc/rtl.texi (const_double): Document as sign-extending.
9489         * expmed.c (expand_mult): Ensure we don't use shift incorrectly.
9490         * emit-rtl.c (immed_double_int_const): Refine to state the
9491         value is signed.
9492         * simplify-rtx.c (mode_signbit_p): Add a fixme for wider than
9493         CONST_DOUBLE integers.
9494         (simplify_const_unary_operation, UNSIGNED_FLOAT): Ensure no
9495         negative values are converted.  Fix conversions bigger than
9496         HOST_BITS_PER_WIDE_INT.
9497         (simplify_binary_operation_1): Ensure we don't use shift incorrectly.
9498         (simplify_immed_subreg): Sign-extend CONST_DOUBLEs.
9499         * explow.c (plus_constant_mode): Add.
9500         (plus_constant): Implement with plus_constant_mode.
9501         * rtl.h (plus_constant_mode): Add.
9502
9503 2012-04-04  Richard Guenther  <rguenther@suse.de>
9504
9505         PR tree-optimization/52808
9506         * tracer.c (tail_duplicate): Do not tail-duplicate loop header blocks.
9507         * Makefile.in (tracer.o): Depend on $(CFGLOOP_H).
9508
9509 2012-04-04  Tristan Gingold  <gingold@adacore.com>
9510
9511         * expr.c (expand_expr_real_2): Handle larger sizetype in
9512         POINTER_PLUS_EXPR.
9513
9514 2012-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
9515
9516         * config/sh/t-sh (MULTILIB_MATCHES): Match m2a-single-only
9517         to m2a-single instead of m2e.
9518
9519 2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
9520
9521         * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
9522         Change type of BITOFFSET to signed.  Make sure the lower bound of
9523         the computed range is non-negative by adjusting OFFSET and BITPOS.
9524         (expand_assignment): Adjust call to get_bit_range.
9525
9526 2012-04-03  Sandeep Kumar Singh  <Sandeep.Singh2@kpitcummins.com>
9527
9528         * h8300/h8300.c (h8300_current_function_monitor_function_p):
9529         New function. Added to check monitor functions.
9530         (h8300_option_override): Modified to generate error/warning
9531         messages for invalid combinations of different command line
9532         options.
9533         * h8300/h8300.md: Generate 'rte' for monitor functions. Do not
9534         save EXR on stack for monitor function in case of H8S target
9535         when "-mno-exr" is passed.
9536         * h8300/h8300-protos.h (h8300_current_function_monitor_function_p):
9537         Add prototype.
9538         * doc/invoke.texi: Document H8S options.
9539
9540 2012-04-03  Tristan Gingold  <gingold@adacore.com>
9541
9542         * configure.ac: Use GCC_AC_FUNC_MMAP_BLACKLIST instead
9543         of gcc_AC_FUNC_MMAP_BLACKLIST.
9544         * acinclude.m4 (gcc_AC_FUNC_MMAP_BLACKLIST): Remove.
9545         * Makefile.in (aclocal_deps): Add mmap.m4.
9546         * configure: Regenerate.
9547         * aclocal.m4: Regenerate.
9548
9549 2012-04-03  Richard Guenther  <rguenther@suse.de>
9550
9551         PR tree-optimization/52808
9552         * tracer.c (tail_duplicate): Return whether we have duplicated
9553         any block.
9554         (tracer): If we have duplicated any block, cleanup the CFG.
9555         * cfghooks.c (duplicate_block): If we duplicated a loop
9556         header but not its loop, destroy the loop because it now has
9557         multiple entries.
9558         * tree-ssa-threadupdate.c (thread_through_loop_header): Tell
9559         the cfg manipulation routines we are not creating a multiple
9560         entry loop.
9561
9562 2012-04-03  Tristan Gingold  <gingold@adacore.com>
9563
9564         * config/vms/vms-c.c (vms_pragma_nomember_alignment): Handle
9565         'byte' alignment.
9566         (vms_c_common_override_options): Allow parameterless variadic
9567         functions.
9568
9569 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
9570
9571         PR tree-optimization/52835
9572         * tree-data-ref.c (build_rdg): Return NULL if
9573         compute_data_dependences_for_loop failed.
9574
9575 2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
9576
9577         * varasm.c (initializer_constant_valid_for_bitfield_p): Return true
9578         for REAL_CST as well.
9579         (output_constructor): Use RECORD_OR_UNION_TYPE_P predicate.
9580         In the bitfield case, if the value is a REAL_CST, convert it first to
9581         an INTEGER_CST.
9582
9583 2012-04-02  H.J. Lu  <hongjiu.lu@intel.com>
9584
9585         * config.gcc: Use i386/biarchx32.h instead of i386/biarch64.h
9586         for --with-abi={x32|mx32} or --with-multilib-list=mx32.
9587         (supported_defaults): Add abi for i[34567]86-*-* and x86_64-*-*.
9588
9589         * config/i386/biarchx32.h: New.
9590
9591 2012-04-02  Anatoly Sokolov  <aesok@post.ru>
9592
9593         * config/arm/arm.h (PREFERRED_RELOAD_CLASS): Remove.
9594         * config/arm/arm.c (TARGET_PREFERRED_RELOAD_CLASS): Define.
9595         (arm_preferred_reload_class): New function.
9596
9597 2012-04-02  Richard Guenther  <rguenther@suse.de>
9598
9599         PR tree-optimization/52756
9600         * tree-ssa-threadupdate.c (def_split_header_continue_p): New function.
9601         (thread_through_loop_header): After threading through the loop latch
9602         remove the split part from the loop and clear further threading
9603         opportunities that would create a multiple entry loop.
9604
9605 2012-04-02  Richard Guenther  <rguenther@suse.de>
9606
9607         PR rtl-optimization/52800
9608         * cprop.c (execute_rtl_cprop): Call cleanup_cfg with
9609         CLEANUP_CFG_CHANGED.
9610
9611 2012-04-02  Richard Guenther  <rguenther@suse.de>
9612
9613         PR middle-end/52803
9614         * loop-init.c (gate_handle_loop2): Destroy loops here if
9615         we don't enter RTL loop optimizers.
9616
9617 2012-04-02  Uros Bizjak  <ubizjak@gmail.com>
9618
9619         Partially revert:
9620         2012-03-29  Richard Guenther  <rguenther@suse.de>
9621
9622         * rtl.h (extended_count): Remove.
9623         * combine.c (extended_count): Remove.
9624
9625 2012-04-02  Dodji Seketeli  <dodji@redhat.com>
9626
9627         PR c++/40942
9628         * pt.c (more_specialized_fn):  Don't apply decay conversion to
9629         types of function parameters.
9630
9631 2012-04-02  Tristan Gingold  <gingold@adacore.com>
9632
9633         * ggc-page.c (PAGE_L1_SIZE, PAGE_L2_SIZE, LOOKUP_L1, LOOKUP_L2)
9634         (ggc_allocated_p, lookup_page_table_entry, set_page_table_entry)
9635         (alloc_page, init_ggc, clear_marks, struct ggc_pch_data)
9636         (ggc_pch_this_base): Use uintptr_t instead of size_t.
9637
9638 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
9639
9640         PR bootstrap/52784
9641         * config/i386/i386.c (ix86_option_override_internal): Don't
9642         check TARGET_64BIT if TARGET_64BIT_DEFAULT is false.
9643
9644 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
9645
9646         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
9647         (stmt_can_make_abnormal_goto): Use it.
9648         (is_ctrl_altering_stmt): Likewise.
9649
9650 2012-03-30  Naveen H.S  <naveen.S@kpitcummins.com>
9651             Kaz Kojima  <kkojima@gcc.gnu.org>
9652
9653         * config/sh/sh.c (push_regs): Skip banked registers when
9654         resbank attribute is specified.
9655         (sh_expand_epilogue): Likewise.
9656
9657 2012-03-30  Richard Henderson  <rth@redhat.com>
9658
9659         PR debug/52727
9660         * combine-stack-adj.c (prev_active_insn_bb): New.
9661         (next_active_insn_bb): New.
9662         (force_move_args_size_note): New.
9663         (combine_stack_adjustments_for_block): Use it.
9664
9665 2012-03-30  Richard Henderson  <rth@redhat.com>
9666
9667         * config/i386/i386.c (struct expand_vec_perm_d): Add one_operand_p.
9668         (ix86_expand_vector_init_duplicate): Initialize it.
9669         (expand_vec_perm_palignr): Likewise.
9670         (ix86_expand_vec_perm_const): Likewise.
9671         (ix86_vectorize_vec_perm_const_ok): Likewise.
9672         (expand_vec_perm_blend): Use it.
9673         (expand_vec_perm_vpermil): Likewise.
9674         (expand_vec_perm_pshufb): Likewise.
9675         (expand_vec_perm_1): Likewise.
9676         (expand_vec_perm_pshuflw_pshufhw): Likewise.
9677         (expand_vec_perm_interleave2): Likewise.
9678         (expand_vec_perm_vpermq_perm_1): Likewise.
9679         (expand_vec_perm_vperm2f128): Likewise.
9680         (expand_vec_perm_interleave3): Likewise.
9681         (expand_vec_perm_vperm2f128_vblend): Likewise.
9682         (expand_vec_perm_vpshufb2_vpermq): Likewise.
9683         (expand_vec_perm_vpshufb2_vpermq_even_odd): Likewise,.
9684         (expand_vec_perm_broadcast): Likewise.
9685         (expand_vec_perm_vpshufb4_vpermq2): Likewise.
9686
9687 2012-03-30  Richard Henderson  <rth@redhat.com>
9688
9689         * dwarf2out.c (gen_variable_die): Initialize off.
9690
9691 2012-03-30  Tristan Gingold  <gingold@adacore.com>
9692
9693         * config/vms/vms-f.c: New file.
9694         * config/vms/t-vms (vms-f.o): New rule.
9695         * config.gcc (*-*-*vms*): Define fortran_target_objs.
9696
9697 2012-03-30  Richard Guenther  <rguenther@suse.de>
9698
9699         PR tree-optimization/52754
9700         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
9701         propagate arbitrary addresses into really plain dereferences.
9702
9703 2012-03-30  Richard Guenther <rguenther@suse.de>
9704
9705         PR middle-end/52772
9706         * except.c (emit_to_new_bb_before): Move loop updating ...
9707         (dw2_build_landing_pads): ... here.  Use a proper block for
9708         querying the loop father.
9709
9710 2012-03-30  Tristan Gingold  <gingold@adacore.com>
9711
9712         * config/ia64/ia64.c (ia64_section_type_flags): Remove
9713         common_object attribute handling.
9714         (SECTION_VMS_OVERLAY): Remove
9715         (ia64_vms_common_object_attribute): Replace abort with an assert.
9716         Do not set DECL_SECTION_NAME.
9717         (ia64_vms_output_aligned_decl_common): Handle common_object
9718         attribute.
9719         (ia64_vms_elf_asm_named_section): Remove.
9720         * config/ia64/vms.h (TARGET_ASM_NAMED_SECTION): Remove.
9721
9722 2012-03-30  Richard Guenther  <rguenther@suse.de>
9723
9724         PR middle-end/52786
9725         * double-int.c (rshift_double): Remove not needed cast.
9726
9727 2012-03-30  Richard Guenther  <rguenther@suse.de>
9728
9729         * tree-affine.h (print_aff): Remove.
9730         * tree-affine.c (print_aff): Make static.
9731         * tree-data-ref.h (access_matrix_get_index_for_parameter): Remove.
9732         (get_references_in_stmt): Likewise.
9733         (print_direction_vector): Likewise.
9734         (print_dir_vectors): Likewise.
9735         (print_dist_vectors): Likewise.
9736         (dump_subscript): Likewise.
9737         (dump_ddrs): Likewise.
9738         (dump_dist_dir_vectors): Likewise.
9739         (dump_data_references): Likewise.
9740         (dump_data_dependence_relation): Likewise.
9741         (dump_data_dependence_direction): Likewise.
9742         (dump_rdg_vertex): Likewise.
9743         (dump_rdg_component): Likewise.
9744         (debug_ddrs): Declare.
9745         (struct data_ref_loc_d): Move ...
9746         * tree-data-ref.c (struct data_ref_loc_d): ... here.
9747         (get_references_in_stmt): Make static.
9748         (dump_data_references): Likewise.
9749         (dump_subscript): Likewise.
9750         (print_direction_vector): Likewise.
9751         (print_dir_vectors): Likewise.
9752         (print_dist_vectors): Likewise.
9753         (dump_data_dependence_relation): Likewise.
9754         (dump_dist_dir_vectors): Likewise.
9755         (dump_ddrs): Likewise.
9756         (dump_rdg_vertex): Likewise.
9757         (dump_rdg_component): Likewise.
9758         (debug_ddrs): New function.
9759         (access_matrix_get_index_for_parameter): Remove.
9760
9761 2012-03-30  Tristan Gingold  <gingold@adacore.com>
9762
9763         * config/vms/vms.c (VMS_CRTL_FLOAT32): Rename.
9764         (VMS_CRTL_FLOAT64, VMS_CRTL_FLOAT64_VAXD): New.
9765         (VMS_CRTL_FLOAT128, VMS_CRTL_DPML, VMS_CRTL_NODMPL)
9766         (VMS_CRTL_32ONLY, VMS_CRTL_G_MASK, VMS_CRTL_G_NONE)
9767         (VMS_CRTL_GA, VMS_CRTL_GL, VMS_CRTL_FLOATV2): New.
9768         (vms_patch_builtins): Handle new flags
9769         * config/vms/vms-crtlmap.map: Completed using nm on
9770         c and math system libraries.
9771         * config/vms/make-crtlmap.awk: Handle any number of flags.
9772
9773 2012-03-30  Martin Jambor  <mjambor@suse.cz>
9774
9775         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
9776         is a builtin_stack_save in a dominating BB.
9777
9778 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
9779
9780         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
9781         crossing 128bit lane boundary.
9782
9783 2012-03-29  Vladimir Makarov  <vmakarov@redhat.com>
9784
9785         * ira-color.c (setup_left_conflict_sizes_p): Process all
9786         conflicting objects.
9787
9788 2012-03-29  Jakub Jelinek  <jakub@redhat.com>
9789
9790         PR tree-optimization/52760
9791         * tree-vect-slp.c (vect_get_constant_vectors): Convert constant_p
9792         shift count for {L,R}{SHIFT,ROTATE}_EXPR to TREE_TYPE (vector_type).
9793
9794 2012-03-29  Richard Guenther  <rguenther@suse.de>
9795
9796         * cgraph.h (cgraph_materialize_all_clones): Remove.
9797         (reset_inline_failed): Likewise.
9798         * cgraphunit.c (cgraph_materialize_all_clones): Make static.
9799         * cgraphbuild.c (reset_inline_failed): Remove.
9800         * rtl.h (cse_main): Remove.
9801         (extended_count): Likewise.
9802         * cse.c (dump_class): Mark as DEBUG_FUNCTION.
9803         (cse_main): Make static.
9804         * combine.c (extended_count): Remove.
9805         (dump_combine_stats): Mark as DEBUG_FUNCTION.
9806         * basic-block.h (reorder_basic_blocks): Remove.
9807         * bb-reorder.c (reorder_basic_blocks): Make static.
9808         * Makefile.in (dse.o): Remove dse.h dependency.
9809         * dse.h: Remove.
9810         * dse.c (gate_dse): Remove.
9811         (clear_alias_mode_eq): Likewise.
9812         (clear_alias_mode_hash): Likewise.
9813         (dse_record_singleton_alias_set): Likewise.
9814         (dse_invalidate_singleton_alias_set): Likewise.
9815
9816 2012-03-29  H.J. Lu  <hongjiu.lu@intel.com>
9817
9818         * config/linux-android.h (ANDROID_STARTFILE_SPEC): Use
9819         crtbegin_so%O%s for -shared.
9820         (ANDROID_ENDFILE_SPEC): Use crtend_so%O%s for -shared.
9821
9822 2012-03-29  Richard Guenther  <rguenther@suse.de>
9823
9824         * tree-flow.h (struct pre_expr_d): Remove forward declaration.
9825         (add_to_value): Remove.
9826         (print_value_expressions): Likewise.
9827         * tree-ssa-pre.c (add_to_value): Make static.
9828         (print_value_expressions): Likewise.
9829         * gimple.h (gimple_adjust_this_by_delta): Remove.
9830         * gimple-fold.c (gimple_adjust_this_by_delta): Likewise.
9831
9832 2012-03-29  Richard Guenther  <rguenther@suse.de>
9833
9834         PR middle-end/50708
9835         * double-int.h (rshift_double): Remove.
9836         * double-int.c (lshift_double): Use absu_hwi to make count positive.
9837         (rshift_double): Make static, take unsigned count argument,
9838         remove handling of negative count argument.
9839         (double_int_rshift): Dispatch to lshift_double.
9840
9841 2012-03-28  H.J. Lu  <hongjiu.lu@intel.com>
9842
9843         * config/i386/biarch64.h (TARGET_64BIT_DEFAULT): Add
9844         OPTION_MASK_ABI_64.
9845
9846         * config/i386/gnu-user64.h (SPEC_64): Support TARGET_BI_ARCH == 2.
9847         (SPEC_X32): Likewise.
9848         (MULTILIB_DEFAULTS): Likewise.
9849
9850         * config/i386/i386.c (isa_opts): Remove -m64.
9851         (ix86_target_string): Properly handle -m32/-m64/-mx32.
9852         (ix86_option_override_internal): Properly
9853         set OPTION_MASK_ISA_64BIT and OPTION_MASK_ISA_X32 as well as
9854         handle -m32, -m64 and -mx32.
9855
9856         * config/i386/i386.h (TARGET_X32): Replace OPTION_ISA_X32
9857         with OPTION_ABI_X32.  Moved after TARGET_LP64.
9858         (TARGET_LP64): Changed to OPTION_ABI_64.
9859
9860         * config/i386/i386.opt (m64): Replace ISA_64BIT with ABI_64.
9861         (mx32): Replace ISA_X32 with ABI_X32.
9862
9863 2012-03-28  Eric Botcazou  <ebotcazou@adacore.com>
9864
9865         * tree.c (tree_size) <VECTOR_CST>: New case.
9866
9867 2012-03-28  Uros Bizjak  <ubizjak@gmail.com>
9868
9869         * config/i386/i386.c (ix86_modes_tieable_p): Handle 32bit AVX modes.
9870         (ix86_expand_vector_move_misalign): Remove un-needed gen_lowpart calls.
9871
9872 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
9873
9874         PR middle-end/52691
9875         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
9876         __builtin_va_start to __builtin_next_arg if the latter is
9877         builtin_decl_explicit_p rather than when it is not.
9878
9879         PR middle-end/52750
9880         * tree-vect-generic.c (vector_element): Perform multiplication
9881         for pos in bitsizetype type instead of idx type.
9882
9883 2012-03-28  Richard Guenther  <rguenther@suse.de>
9884
9885         * loop-init.c (loop_optimizer_init): If loops are preserved
9886         perform incremental initialization of required loop features.
9887         (loop_optimizer_finalize): If loops are to be preserved only
9888         clean up optional loop features.
9889         (rtl_loop_done): Forcefully free loops here.
9890         * cgraph.c (cgraph_release_function_body): Forcefully free loops.
9891         * cfgexpand.c (expand_gimple_cond): Properly add new basic-blocks
9892         to existing loops.
9893         (construct_init_block): Likewise.
9894         (construct_exit_block): Likewise.
9895         (gimple_expand_cfg): Clear LOOP_CLOSED_SSA loop state.  Cleanup
9896         the CFG after expanding.
9897         * cfgloop.c (verify_loop_structure): Calculate or verify dominators.
9898         If we needed to calculate them, free them afterwards.
9899         * tree-pass.h (PROP_loops): New define.
9900         * tree-ssa-loop.c (pass_tree_loop_init): Provide PROP_loops.
9901         * basic-block.h (CLEANUP_CFG_CHANGED): New.
9902         * cfgcleanup.c (merge_blocks_move): Protect loop latches.
9903         (cleanup_cfg): If we did something and have loops around, fix them up.
9904         * cse.c (rest_of_handle_cse_after_global_opts): Call cleanup_cfg
9905         with CLEANUP_CFG_CHANGED.
9906         * cfghooks.c (merge_blocks): If we merge a loop header into
9907         its predecessor, update the loop structure.
9908         (duplicate_block): If we copy a loop latch, adjust loop state
9909         to note we may have multiple latches.
9910         (delete_basic_block): Mark loops for fixup if we remove a loop.
9911         * cfganal.c (forwarder_block_p): Protect loop latches, headers
9912         and preheaders.
9913         * cfgrtl.c (rtl_can_merge_blocks): Protect loop latches.
9914         (cfg_layout_can_merge_blocks_p): Likewise.
9915         * cprop.c (bypass_block): If we create a loop with multiple
9916         entries, mark it for removal.
9917         * except.c (emit_to_new_bb_before): Add the new basic-block
9918         to existing loops.
9919         * tree-eh.c (lower_resx): Likewise.
9920         * omp-low.c (finalize_task_copyfn): Do not copy PROP_loops.
9921         (expand_omp_taskreg): Likewise.
9922         * tree-inline.c (initialize_cfun): Likewise.
9923         * tree-mudflap.c (add_bb_to_loop): Prototype.
9924         (mf_build_check_statement_for): Properly add new basic-blocks
9925         to existing loops.
9926         * tree-ssa-threadupdate.c (thread_block): Mark loops for fixup
9927         if we remove a loop.
9928         (thread_through_loop_header): Likewise.
9929         * trans-mem.c (tm_log_emit_save_or_restores): Properly add
9930         new basic-blocks to existing loops.
9931         (expand_transaction): Likewise.
9932         * Makefile.in (except.o): Add $(CFGLOOP_H).
9933         (expr.o): Likewise.
9934         (cgraph.o): Likewise.
9935         (cprop.o): Likewise.
9936         (cfgexpand.o): Likewise.
9937         (cfganal.o): Likewise.
9938         (trans-mem.o): Likewise.
9939         (tree-eh.o): Likewise.
9940
9941 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
9942
9943         PR target/52692
9944         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
9945         (avr_builtin_decl): New static function.
9946         (struct avr_builtin_description, avr_bdesc): Move up.
9947         Add GTY marker. Add field fndecl. Remove redundant field id.
9948         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
9949         (avr_expand_builtin): Code cleanup because .id is removed.
9950
9951 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
9952
9953         PR target/52737
9954         * config.gcc (tm_file): Remove avr/multilib.h.
9955
9956         * doc/invoke.texi (AVR Options): Adjust documentation of -mtiny-stack.
9957
9958         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
9959         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
9960         * config/avr/t-avr: Remove generation of multilib.h.
9961         * config/avr/t-multilib: Regenerate.
9962         * config/avr/multilib.h: Remove.
9963         * config/avr/avr.opt (-msp8): New option.
9964         (avr_sp8): New variable.
9965         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
9966         * config/avr/avr.h (AVR_HAVE_SPH): New define.
9967         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
9968         (avr_device_to_sp8): New prototype.
9969         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
9970         (DRIVER_SELF_SPECS): New define.
9971         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
9972         __AVR_SP8__, __AVR_HAVE_SPH__.
9973         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
9974         AVR_HAVE_8BIT_SP to decide if SP_H is present.
9975         (avr_file_start): Ditto.
9976
9977 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
9978
9979         PR target/52736
9980         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
9981         instead of 8 in adjust_address.
9982
9983 2012-03-27  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
9984
9985         PR middle-end/51893
9986         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
9987         targets.
9988
9989 2012-03-27  Oleg Endo  <olegendo@gcc.gnu.org>
9990
9991         PR target/50751
9992         * config/sh/sh.c (sh_legitimize_address, sh_legitimize_reload_address):
9993         Rearrange conditional logic.  Move displacement address calculations
9994         to ...
9995         (sh_find_mov_disp_adjust): ... this new function.
9996
9997 2012-03-27  H.J. Lu  <hongjiu.lu@intel.com>
9998
9999         * config/arm/arm.opt (mapcs): Remove MaskExists.
10000         * config/cris/linux.opt (mno-gotplt): Likewise.
10001         * config/i386/i386.opt (mhard-float): Likewise.
10002         (msse4): Likewise.
10003         (mno-sse4): Likewise.
10004         * config/m68k/m68k.opt (mhard-float): Likewise.
10005         * config/mep/mep.op (mcop32): Likewise.
10006         * config/pa/pa-hpux.opt (msio): Likewise.
10007         * config/pa/pa64-hpux.opt (mgnu-ld): Likewise.
10008         * config/picochip/picochip.opt (mlittle): Likewise.
10009         * config/sh/sh.opt (mrenesas): Likewise.
10010         * config/sparc/long-double-switch.opt (mlong-double-128): Likewise.
10011         * config/sparc/sparc.opt (mhard-float): Likewise.
10012         * config/v850/v850.opt (mv850es): Likewise.
10013         * config/vax/vax.opt (mg-float): Likewise.
10014
10015 2012-03-27  Martin Jambor  <mjambor@suse.cz>
10016
10017         PR middle-end/52693
10018         * tree-sra.c (sra_modify_assign): Do not call
10019         load_assign_lhs_subreplacements when working with an unscalarizable
10020         region.
10021
10022 2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
10023
10024         PR target/52698
10025         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
10026         New prototype.
10027         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
10028         * config/i386/i386.c: Include reload.h.
10029         (ix86_legitimize_reload_address): New function.
10030
10031 2012-03-27  H.J. Lu  <hongjiu.lu@intel.com>
10032
10033         * opth-gen.awk: Allocated a bit for Mask and InverseMask if it
10034         hasn't been allocated.  Define a target macro for Mask and
10035         InverseMask if it hasn't been defined.  Remove MaskExists handling.
10036
10037         * doc/options.texi: Remove MaskExists.
10038
10039 2012-03-27  Chung-Lin Tang  <cltang@codesourcery.com>
10040
10041         PR target/52667
10042         * config/sh/sh.c (find_barrier): Add equality check of last_got
10043         to avoid going above orig insn. Update comments.
10044
10045 2012-03-27  Richard Guenther  <rguenther@suse.de>
10046
10047         PR middle-end/52720
10048         * fold-const.c (try_move_mult_to_index): Handle &x.array more
10049         explicitely.
10050
10051 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
10052
10053         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
10054         of a unit before computing the offset in units.
10055         * expr.c (get_bit_range): Return the null range if the enclosing record
10056         is part of a larger bit field.
10057
10058 2012-03-27  Tristan Gingold  <gingold@adacore.com>
10059
10060         * config/ia64/vms.h (CASE_VECTOR_MODE): Define.
10061         * config/ia64/ia64.md: Remove mode in template.
10062         Sign extend operand in expand_simple_binop.
10063         * config/ia64/ia64.h (ASM_OUTPUT_ADDR_DIFF_ELT): Use
10064         CASE_VECTOR_MODE instead of TARGET_ILP32.
10065         (ADDR_VEC_ALIGN): Make it depends on CASE_VECTOR_MODE.
10066
10067 2012-03-26  Steven Bosscher  <steven@gcc.gnu.org>
10068
10069         * varasm.c (assemble_external): #if 0 out the new assert from the
10070         previous commit, it breaks the Java and Go front ends.
10071
10072 2012-03-26  Steven Bosscher  <steven@gcc.gnu.org>
10073
10074         * toplev.c (check_global_declaration_1): Do not call assemble_external.
10075         * expr.c (emit_block_move_libcall_fn): Likewise.
10076         (clear_storage_libcall_fn): Likewise.
10077         (expand_expr_addr_expr_1): Likewise.
10078         (expand_expr_real_1): Likewise.
10079         * calls.c (rtx_for_function_call): Likewise.
10080
10081         * varasm.c (assemble_external): Assert this function is only called
10082         during or after expanding to RTL.
10083
10084 2012-03-26  Martin Jambor  <mjambor@suse.cz>
10085
10086         PR tree-optimization/50052
10087         * tree-sra.c (tree_non_aligned_mem_p): Removed.
10088         (tree_non_aligned_mem_for_access_p): Likewise.
10089         (build_accesses_from_assign): Removed strict alignment requirements
10090         checks.
10091         (access_precludes_ipa_sra_p): Likewise.
10092
10093 2012-03-26  Richard Guenther  <rguenther@suse.de>
10094
10095         PR tree-optimization/52701
10096         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
10097         compute and set the evolution part of PHI nodes.
10098
10099 2012-03-26  Richard Guenther  <rguenther@suse.de>
10100
10101         PR tree-optimization/52721
10102         * tree-vect-stmts.c (vect_init_vector): Handle scalars.
10103
10104 2012-03-26  Ulrich Weigand  <ulrich.weigand@linaro.org>
10105
10106         PR tree-optimization/52686
10107         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Handle
10108         WIDEN_LSHIFT_EXPR.
10109
10110 2012-03-26  Tristan Gingold  <gingold@adacore.com>
10111
10112         * config/alpha/vms.h (LINK_SPEC): Simplify.
10113         (STARTFILE_SPEC): Remove -mvms-return-codes handling.
10114         (NAME__MAIN, SYMBOL__MAIN): Remove.
10115         (VMS_DEBUG_MAIN_POINTER): Remove.
10116         * config/ia64/vms.h: Likewise.
10117         * config/alpha/alpha.c (alpha_start_function): Move vms_debug_main
10118         code to vms.c.  Call vms_start_function.
10119         * config/ia64/ia64.c (ia64_start_function): Likewise.
10120         * config/vms/vms-protos.h (vms_start_function): Declare.
10121         * config/vms/vms.c (vms_start_function): New function.
10122         * config/vms/vms.h (MATH_LIBRARY): Define.
10123         (VMS_DEBUG_MAIN_POINTER): Define.
10124
10125 2012-03-26  Eric Botcazou  <ebotcazou@adacore.com>
10126
10127         PR rtl-optimization/52629
10128         * reload1.c (count_pseudo): Short-circuit common case.
10129         (count_spilled_pseudo): Return early for pseudos without hard regs.
10130         Assert that the pseudo has got a hard reg before manipulating it.
10131
10132 2012-03-24  Jan Hubicka  <jh@suse.cz>
10133
10134         PR lto/51663
10135         * varpool.c (varpool_finalize_decl): Handle toplevel_reorder here.
10136         (decide_is_variable_needed): Do not handle toplevel reorder here.
10137         * cgraph.h (varpool_can_remove_if_no_refs): Likewise.
10138         * ipa.c (cgraph_remove_unreachable_nodes): Remove unreachable vars
10139         even at -O0.
10140
10141 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
10142
10143         * expr.c (optimize_bitfield_assignment_op) <BIT_IOR_EXPR>: Use str_mode
10144         and str_bitsize instead of more convoluted expressions.
10145
10146 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
10147
10148         PR target/52610
10149         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
10150
10151 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
10152
10153         PR target/52656
10154         * config/sparc/sparc.c (sparc_handle_vis_mul8x16): Fix pasto.
10155
10156 2012-03-23  Martin Jambor  <mjambor@suse.cz>
10157
10158         * tree-sra.c (build_accesses_from_assign): Remove FIXME comment.
10159
10160 2012-03-23  Richard Guenther  <rguenther@suse.de>
10161
10162         PR tree-optimization/52678
10163         * tree-vectorizer.h (struct _stmt_vec_info): Add
10164         loop_phi_evolution_part member.
10165         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
10166         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
10167         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
10168         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
10169         Use the cached evolution part and the PHI nodes value from
10170         the loop preheader edge instead of re-analyzing the evolution.
10171
10172 2012-03-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
10173
10174         * config/mips/mips-tables.opt: Update.
10175         * config/mips/mips.md (processor): Add xlp.
10176         * config/mips/mips-cpus.def: Add xlp.
10177         * config/mips/mips.c (mips_rtx_cost_data): Add costs for XLP, copy from
10178         5KF for now.
10179         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC): Handle xlp.
10180         * doc/invoke.texi: Mention XLP.
10181
10182 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
10183
10184         PR middle-end/52547
10185         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
10186         on any new_local_var_chain vars declared during recursing on
10187         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
10188
10189 2012-03-22  Uros Bizjak  <ubizjak@gmail.com>
10190
10191         * config/alpha/alpha.h (ASM_OUTPUT_ALIGN): Move to config/alpha/elf.h
10192         (ASM_OUTPUT_SKIP): Move to config/alpha/vms.h
10193         (ASM_OUTPUT_LOCAL): Ditto.
10194         (ASM_OUTPUT_COMMON): Remove.
10195         * config/alpha/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Use ASM_OUTPUT_DEF.
10196         * config/alpha/vms.h (ASM_OUTPUT_ALIGN): Do not undefine before define.
10197
10198 2012-03-22  Jan Hubicka  <jh@suse.cz>
10199
10200         PR middle-end/51737
10201         * cgraph.c (cgraph_remove_node_and_inline_clones): Add FORBIDDEN_NODE
10202         parameter.
10203         * cgraph.h (cgraph_remove_node_and_inline_clones): Update prototype.
10204         * ipa-inline-transform.c (save_inline_function_body): Remove
10205         copied clone if needed.
10206         * tree-inline.c (delete_unreachable_blocks_update_callgraph): Update.
10207
10208 2012-03-22  Richard Guenther  <rguenther@suse.de>
10209
10210         PR middle-end/52666
10211         * fold-const.c (fold_ternary_loc): Fix typo.
10212
10213 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
10214
10215         PR target/52496
10216         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
10217         (unspecv): Add UNSPECV_MEMORY_BARRIER.
10218         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
10219         (delay_cycles_1, delay_cycles_2): Ditto.
10220         (delay_cycles_3, delay_cycles_4): Ditto.
10221         (nopv, *nopv): Ditto.
10222         (sleep, *sleep): Ditto.
10223         (wdr, *wdr): Ditto.
10224
10225 2012-03-22  Richard Guenther  <rguenther@suse.de>
10226
10227         PR tree-optimization/52548
10228         * tree-ssa-pre.c (valid_in_sets): Remove handling of invalidation
10229         because of clobbers.
10230         (prune_clobbered_mems): New function.
10231         (compute_antic_aux): Use it to prune ANTIC_OUT.
10232         (compute_partial_antic_aux): Use it to prune PA_IN.
10233         (compute_avail): Only insert expressions into EXP_GEN that are not
10234         invalidated when translated up to the beginning of the block.
10235
10236 2012-03-22  Richard Guenther  <rguenther@suse.de>
10237
10238         PR tree-optimization/52638
10239         * tree-vect-stmts.c (vect_init_vector_1): New function, split
10240         out from ...
10241         (vect_init_vector): ... here.  Handle scalar vector inits.
10242         (vect_get_vec_def_for_operand): Adjust.
10243         (vectorizable_load): Likewise.
10244
10245 2012-03-22  Uros Bizjak  <ubizjak@gmail.com>
10246
10247         * config.gcc (alpha*-*-linux*): Add elfos.h to tm_file.
10248         (alpha*-*-freebsd*): Ditto.
10249         (alpha*-*-netbsd*): Ditto.
10250         (alpha*-*-openbsd*): Ditto.
10251         * config/alpha/elf.h (OBJECT_FORMAT_ELF): Remove.
10252         (DWARF2_DEBUGGING_INFO): Remove.
10253         (PREFERRED_DEBUGGING_TYPE): Remove.
10254         (ASM_FINAL_SPEC): Remove.
10255         (IDENT_ASM_OP): Remove.
10256         (ASM_OUTPUT_IDENT): Remove.
10257         (SKIP_ASM_OP): Remove.
10258         (ASM_OUTPUT_SKIP): Remove.
10259         (ALIGN_ASM_OP): Remove.
10260         (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
10261         (ASM_OUTPUT_CASE_LABEL): Remove.
10262         (ASM_OUTPUT_EXTERNAL_LIBCALL): Remove.
10263         (COMMON_ASM_OP): Remove.
10264         (ASM_OUTPUT_ALIGNED_COMMON): Remove.
10265         (ASCII_DATA_ASM_OP): Remove.
10266         (READONLY_DATA_SECTION_ASM_OP): Remove.
10267         (INIT_SECTION_ASM_OP): Remove.
10268         (FINI_SECTION_ASM_OP): Remove.
10269         (ASM_SECTION_START_OP): Remove.
10270         (ASM_OUTPUT_SECTION_START_FILE): Remove.
10271         (TARGET_ASM_NAMED_SECTION): Remove.
10272         (TARGET_ASM_SELECT_SECTION): Remove.
10273         (MAKE_DECL_ONE_ONLY): Remove.
10274         (TYPE_ASM_OP): Remove.
10275         (SIZE_ASM_OP): Remove.
10276         (ASM_WEAKEN_LABEL): Remove.
10277         (TYPE_OPERAND_FMT): Remove.
10278         (ASM_DECLARE_RESULT): Remove.
10279         (ASM_DECLARE_OBJECT_NAME): Remove.
10280         (ASM_FINISH_DECLARE_OBJECT): Remove.
10281         (ELF_ASCII_ESCAPES): Remove.
10282         (ELF_STRING_LIMIT): Remove.
10283         (STRING_ASM_OP): Remove.
10284         (ASM_OUTPUT_EXTERNAL): Remove.
10285         (TARGET_ASM_FILE_START_FILE_DIRECTIVE): Redefine to false.
10286         * config/alpha/alpha.h (PCC_BITFIELD_TYPE_MATTERS): Undefine
10287         before define.
10288         (ASM_DECLARE_FUNCTION_NAME): Ditto.
10289         (ASM_DECLARE_FUNCTION_SIZE): Ditto.
10290         (ASM_GENERATE_INTERNAL_LABEL): Ditto.
10291         (ASM_OUTPUT_SKIP): Ditto.
10292         (READONLY_DATA_SECTION_ASM_OP): Remove.
10293         (USER_LABEL_PREFIX): Remove.
10294         (ASM_OUTPUT_ASCII): Remove.
10295         (ASM_OUTPUT_CASE_LABEL): Remove.
10296         (NO_DOLLAR_IN_LABEL): Undefine.
10297
10298 2012-03-22  Richard Guenther  <rguenther@suse.de>
10299
10300         PR tree-optimization/52459
10301         * tree-ssa-pre.c (inhibit_phi_insertion): Do not inhibit
10302         PHI insertion for calls.
10303
10304 2012-03-21  Steven Bosscher  <steven@gcc.gnu.org>
10305
10306         * cse.c (invalidate_from_sets_and_clobbers, try_back_substitute_reg,
10307         find_sets_in_insn, canonicalize_insn): Split out from ...
10308         (cse_insn): ... here.
10309         (invalidate_from_clobbers): Take an insn instead of the pattern.
10310
10311 2012-03-21  Oleg Endo  <olegendo@gcc.gnu.org>
10312
10313         PR target/52479
10314         * config/sh/sh-protos.h (sh_fsca_df2int): Remove.
10315         * config/sh/sh.c (sh_fsca_df2int_rtx, sh_fsca_df2int): Remove.
10316         * config/sh/sh.md (sindf2, cosdf2): Remove.
10317
10318 2012-03-21  Kaz Kojima  <kkojima@gcc.gnu.org>
10319
10320         PR target/52642
10321         * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
10322         prologue for unwinder and profiler.
10323
10324 2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
10325
10326         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
10327         Introduce emul_name to select the right linker emulation for
10328         powerpc64-*-freebsd*.
10329         * configure: Regenerate.
10330         * config.gcc: Add bits to support powerpc64-*-freebsd*.
10331         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
10332         * config/rs6000/freebsd64.h: New file.
10333         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
10334         POWERPC_FREEBSD.
10335         (rs6000_savres_strategy): Likewise.
10336         (rs6000_savres_routine_name): Likewise.
10337         (rs6000_elf_file_end): Likewise.
10338         * config/rs6000/t-freebsd64: New file.
10339         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
10340         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
10341
10342         * config/rs6000/freebsd64.h: Remove duplicated entries from last
10343         commit.
10344         * config/rs6000/t-freebsd64: Likewise.
10345
10346 2012-03-21  Georg-Johann Lay  <avr@gjlay.de>
10347
10348         PR rtl-optimization/52543
10349         PR target/52461
10350         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
10351         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
10352         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
10353         (avr_load_libgcc_p): Restrict to __flash loads.
10354         (avr_out_lpm): Only handle 1-byte loads from __flash.
10355         (avr_load_lpm): New function.
10356         (avr_find_unused_d_reg): Remove.
10357         (avr_out_lpm_no_lpmx): Remove.
10358         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
10359         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
10360         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
10361         (load_<mode>, load_<mode>_clobber): New insns.
10362         (mov<mode>): For multi-byte move from non-generic
10363         16-bit address spaces: Expand to load_<mode> resp.
10364         load_<mode>_clobber.
10365         (load<mode>_libgcc): Remove expander.
10366         (split-lpmx): Remove split.
10367
10368 2012-03-21  Richard Earnshaw  <rearnsha@arm.com>
10369
10370         * neon.md (neon_vget_lanev2di): Use gen_lowpart and gen_highpart.
10371         * config/arm/neon.ml (Fixed_return_reg): Renamed to fixed_vector_reg.
10372         All callers changed.
10373         (Fixed_core_reg): New feature.
10374         (Vget_lane [sizes S64 and U64]): Add Fixed_core_reg.  Allow fmrrd in
10375         disassembly.
10376         * neon-testgen.ml: Handle Fixed_core_reg.
10377
10378 2012-03-21  Andrew Stubbs  <ams@codesourcery.com>
10379
10380         * config/arm/arm.c (thumb2_reorg): Add complete support
10381         for 16-bit instructions.
10382         * config/arm/thumb2.md: Delete obsolete flag-clobbering peepholes.
10383
10384 2012-03-21  Richard Guenther  <rguenther@suse.de>
10385
10386         PR tree-optimizer/52636
10387         * tree-vect-slp.c (vect_get_constant_vectors): Convert constants
10388         to the appropriate type.
10389
10390 2012-03-21  Richard Guenther  <rguenther@suse.de>
10391
10392         * Makefile.in (cfgexpand.o): Add $(REGS_H) and $(INTEGRATE_H)
10393         dependencies.
10394         * cfgexpand.c (gimple_expand_cfg): Fold in pass_init_function,
10395         pass_jump, pass_initial_value_sets and pass_unshare_all_rtl.
10396         * passes.c (init_optimization_passes): Remove pass_init_function,
10397         pass_jump, pass_initial_value_sets and pass_unshare_all_rtl.
10398         * tree-pass.h (pass_init_function): Remove.
10399         (pass_jump): Remove.
10400         (pass_initial_value_sets): Remove.
10401         (pass_unshare_all_rtl): Remove.
10402         * integrate.c (pass_initial_value_sets): Remove.
10403         * emit-rtl.c (pass_unshare_all_rtl): Remove.
10404         * tree.h (init_function_for_compilation): Remove.
10405         * function.c (init_function_for_compilation): Remove.
10406         (pass_init_function): Remove.
10407         * cfgcleanup.c (rest_of_handle_jump): Remove.
10408         (pass_jump): Remove.
10409
10410 2012-03-20  Jason Merrill  <jason@redhat.com>
10411
10412         * tree-streamer-in.c (streamer_alloc_tree): Call
10413         ggc_alloc_zone_cleared_tree_node instead of
10414         ggc_alloc_zone_cleared_tree_node_stat.
10415
10416 2012-03-20  Jonathan Wakely  <jwakely.gcc@gmail.com>
10417
10418         * doc/extend.texi (Template Instantiation): Remove anachronisms.
10419
10420 2012-03-20  Jakub Jelinek  <jakub@redhat.com>
10421
10422         PR target/52607
10423         * config/i386/i386.c (expand_vec_perm_vperm2f128): New function.
10424         (ix86_expand_vec_perm_const_1): Call it.
10425
10426         * config/i386/i386.c (vselect_insn): New variable.
10427         (init_vselect_insn): New function.
10428         (expand_vselect, expand_vselect_insn): Add testing_p argument.
10429         Call init_vselect_insn if vselect_insn is NULL.  Adjust
10430         PATTERN (vselect_insn), instead of creating a new insn each time,
10431         only emit a copy of it if not testing and recog has been successful.
10432         (expand_vec_perm_pshufb, expand_vec_perm_1,
10433         expand_vec_perm_pshuflw_pshufhw, expand_vec_perm_broadcast_1): Adjust
10434         callers.
10435
10436         PR target/52607
10437         * config/i386/i386.md ("isa" attribute): Add avx2 and noavx2.
10438         ("enabled" attribute): Handle avx2 and noavx2 isas.
10439         * config/i386/sse.md (avx2_vec_dupv8sf_1, avx2_pbroadcast<mode>_1):
10440         New insns.
10441         (vec_dup<mode>): Add avx2 =x,x alternative.
10442         (vec_dup<mode> splitter): Don't split if TARGET_AVX2.
10443         (*avx_vperm_broadcast_<mode>): Don't split V4DFmode if TARGET_AVX2.
10444         For TARGET_AVX2, V8SFmode and elt == 0 split into vbroadcastss.
10445         * config/i386/i386.c (expand_vec_perm_pshufb): Emit also vpermps
10446         for V8SFmode.
10447         (expand_vec_perm_1): For broadcasts, use avx2_pbroadcast<mode>_1
10448         if possible, handle also V8SFmode.
10449
10450 2012-03-20  Richard Earnshaw  <rearnsha@arm.com>
10451
10452         * arm/predicates.md (zero_operand, reg_or_zero_operand): New predicates.
10453         * arm/neon.md (neon_vceq<mode>, neon_vcge<mode>): Use
10454         reg_or_zero_operand predicate.
10455         (neon_vcle<mode>, neon_vclt<mode>): Use zero_operand predicate.
10456
10457 2012-03-20  Jakub Jelinek  <jakub@redhat.com>
10458
10459         * config/i386/i386.c (ix86_decompose_address) <case ZERO_EXTEND>:
10460         If operand isn't UNSPEC, return 0.
10461
10462 2012-03-20  Richard Guenther  <rguenther@suse.de>
10463
10464         * tree-pass.h (pass_rtl_eh): Remove.
10465         * except.c (gate_handle_eh): Likewise.
10466         (rest_of_handle_eh): Likewise.
10467         (pass_rtl_eh): Likewise.
10468         (finish_eh_generation): Export.
10469         * except.h (finish_eh_generation): Declare.
10470         * passes.c (init_optimization_passes): Remove pass_rtl_eh.
10471         * cfgexpand.c (gimple_expand_cfg): Call finish_eh_generation
10472         after expanding stack alignment.  Instead of compacting blocks
10473         call cleanup_cfg.
10474
10475 2012-03-20  Richard Guenther  <rguenther@suse.de>
10476
10477         * stor-layout.c (finish_bitfield_representative): Fallback
10478         to conservative maximum size if the padding up to the next
10479         field cannot be computed as a constant.
10480         (finish_bitfield_layout): If we cannot compute the distance
10481         between the start of the bitfield representative and the
10482         bitfield member start a new representative.
10483         * expr.c (get_bit_range): The distance between the start of
10484         the bitfield representative and the bitfield member is zero
10485         if the field offsets are not constants.
10486
10487 2012-03-20  Tristan Gingold  <gingold@adacore.com>
10488
10489         * tree.h (enum size_type_kind): Add stk_ prefix to constants,
10490         convert in lowercase.
10491         (sizetype_tab, sizetype, bitsizetype, ssizetype, sbitsizetype)
10492         (size_int, ssize_int, bitsize_int, sbitsize_int): Adjust.
10493         * stor-layout.c (sizetype_tab): Adjust.
10494         (initialize_sizetypes): Use SIZETYPE instead of SIZE_TYPE.
10495         * tree-streamer.c (preload_common_nodes): Use stk_type_kind_last
10496         instead of type_kind_last.
10497         * tree-scalar-evolution.c (interpret_rhs_expr): Use size_int
10498         instead of size_int_kind.
10499         * doc/tm.texi.in (Type Layout): Document SIZETYPE.
10500         * doc/tm.texi: Regenerate.
10501         * defaults.h (SIZETYPE): Provide a default value.
10502         * config/vms/vms.h (SIZE_TYPE): Define as "unsigned int".
10503         (SIZETYPE): Define.
10504
10505 2012-03-20  Oleg Endo  <olegendo@gcc.gnu.org>
10506
10507         * config/sh/sh.md: Use braced string notation where applicable.
10508
10509 2012-03-19  Uros Bizjak  <ubizjak@gmail.com>
10510
10511         * config/i386/i386.md (allocate_stack): Simplify.
10512
10513 2012-03-19  Uros Bizjak  <ubizjak@gmail.com>
10514
10515         * builtins.c (expand_builtin_cexpi): Use copy_addr_to_reg instead of
10516         copy_to_mode_reg (Pmode, ...).
10517         (expand_builtin_frame_address): Ditto.
10518         * expr.c (emit_block_move_via_libcall): Ditto.
10519         (set_storage_via_libcall): Ditto.
10520
10521         * config/i386/i386.c (ix86_expand_movmem): Ditto.
10522         (ix86_expand_setmem): Ditto.
10523         (ix86_trampoline_init): DItto.
10524         * config/i386/i386.md (cmpstrnsi): Ditto.
10525
10526 2012-03-19  Sandra Loosemore  <sandra@codesourcery.com>
10527
10528         * config/sh/sh.opt (madjust-unroll): Mark as ignored/obsolete.
10529         * config/sh/sh.h (TARGET_OPT_DEFAULT): Don't use MASK_ADJUST_UNROLL.
10530         * doc/invoke.texi (Option Summary): Remove -madjust-unroll.
10531         (SH Options): Likewise.
10532
10533 2012-03-19  Uros Bizjak  <ubizjak@gmail.com>
10534
10535         * config/i386/i386.c (get_thread_pointer): Add tp_mode argument.
10536         Generate ZERO_EXTEND in place if GET_MODE (tp) != tp_mode.
10537         (legitimize_tls_address) <TLS_MODEL_INITIAL_EXEC>: Always generate
10538         DImode UNSPEC_GOTNTPOFF references on TARGET_64BIT.
10539         (ix86_decompose_address): Allow zero extended UNSPEC_TP references.
10540
10541         Revert:
10542         2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
10543
10544         * config/i386/i386.h (TARGET_TLS_INDIRECT_SEG_REFS): New.
10545         * config/i386/i386.c (ix86_decompose_address): Use
10546         TARGET_TLS_INDIRECT_SEG_REFS to prevent %fs:(%reg) addresses.
10547         (legitimize_tls_address): Use TARGET_TLS_INDIRECT_SEG_REFS to load
10548         thread pointer to a register.
10549
10550         Revert:
10551         2012-03-10  H.J. Lu  <hongjiu.lu@intel.com>
10552
10553         * config/i386/i386.c (ix86_decompose_address): Disallow fs:(reg)
10554         if Pmode != word_mode.
10555         (legitimize_tls_address): Call gen_tls_initial_exec_x32 if
10556         Pmode == SImode for TARGET_X32.
10557
10558         * config/i386/i386.md (UNSPEC_TLS_IE_X32): New.
10559         (tls_initial_exec_x32): Likewise.
10560
10561 2012-03-19  Oleg Endo  <olegendo@gcc.gnu.org>
10562
10563         PR target/50751
10564         * config/sh/sh.h (CONST_OK_FOR_K04, CONST_OK_FOR_K12, DISP_ADDR_P,
10565         DISP_ADDR_OFFSET): New macros.
10566         * config/sh/sh.c (sh_address_cost): Add SH2A special case.
10567         (sh_legitimate_index_p): Allow QImode displacements for non-SH2A.
10568         (sh_legitimize_address): Add QImode displacement handling.
10569         (sh_cannot_change_mode_class): Disallow GENERAL_REGS for SFmode
10570         vector subregs.
10571         (sh_secondary_reload): Add QImode displacement handling.
10572         * config/sh/predicates.md (movsrc_no_disp_mem_operand): New predicate.
10573         * config/sh/constraints.md (K04, Snd, Sdd): New constraints.
10574         * config/sh/sh.md (extendqisi2): Remove constraints from expander.
10575         (*extendqisi2_compact): Rename to *extendqisi2_compact_reg, restrict
10576         to register operands only.
10577         (*extendqisi2_compact_mem_disp, *extendqisi2_compact_snd): New insns.
10578         (extendqihi2): Change insn to expander.
10579         (*extendqihi2_compact_reg): New insn.
10580         (movqi_i, movqi): Replace with ...
10581         (movqi, *movqi_reg_reg, *movqi_store_mem_disp12,
10582         *movqi_load_mem_disp, *movqi_load_mem_disp): ... these.
10583         Add new peepholes for QImode displacement addressing.
10584
10585 2012-03-19  Paolo Carlini  <paolo.carlini@oracle.com>
10586
10587         PR c++/14710
10588         * doc/invoke.texi: Document -Wuseless-cast.
10589
10590 2012-03-19  Eric Botcazou  <ebotcazou@adacore.com>
10591
10592         * tree.def (REALPART_EXPR, IMAGPART_EXPR, VIEW_CONVERT_EXPR): Move.
10593         * tree.h (handled_component_p): Reorder cases.
10594         * dwarf2out.c (loc_list_for_address_of_addr_expr_of_indirect_ref): Do
10595         not initialize unsignedp.
10596         (loc_list_from_tree): Likewise.
10597         (fortran_common): Likewise.
10598         * simplify-rtx.c (delegitimize_mem_from_attrs): Likewise.
10599
10600 2012-03-19  Uros Bizjak  <ubizjak@gmail.com>
10601
10602         * config/i386/i386.c (ix86_expand_prologue) <CM_LARGE_PIC>: Use Pmode
10603         mode consistently.  Use ix86_gen_add3.  Assert that Pmode == DImode.
10604         (ix86_expand_split_stack_prologue): Use ix86_gen_add3.
10605         (ix86_split_long_move): Ditto.
10606         (legitimize_tls_address): Use ix86_gen_sub3.
10607         (construct_plt_address): Assert that Pmode == DImode.
10608
10609 2012-03-18  Uros Bizjak  <ubizjak@gmail.com>
10610
10611         * config/i386/i386.md: Remove empty predicates and/or constraints.
10612         * config/i386/sync.md: Ditto.
10613         * config/i386/sse.md: Ditto.
10614         * config/i386/mmx.md: Ditto.
10615         * config/i386/pentium.md: Ditto.
10616         * config/i386/athlon.md: Ditto.
10617
10618 2012-03-16  Richard Guenther  <rguenther@suse.de>
10619
10620         PR tree-optimization/52603
10621         * tree-vect-data-refs.c (vect_can_force_dr_alignment_p): Clarify
10622         comment.
10623
10624         Revert
10625         2012-03-14  Richard Guenther  <rguenther@suse.de>
10626
10627         PR tree-optimization/52571
10628         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Move
10629         flag_section_anchors check ...
10630         (vect_can_force_dr_alignment_p): ... here.
10631
10632 2012-03-16  Martin Jambor  <mjambor@suse.cz>
10633
10634         * expr.c (expand_expr_real_1): Handle misaligned scalar reads from
10635         memory through MEM_REFs by calling extract_bit_field.
10636
10637 2012-03-16  Richard Guenther  <rguenther@suse.de>
10638
10639         * fold-const.c (native_interpret_expr): Also support POINTER_TYPE
10640         and REFERENCE_TYPE interpretations.
10641         (can_native_interpret_type_p): New function.
10642         (fold_ternary_loc): Use native encode/interpret to fold
10643         BIT_FIELD_REFs of constants.
10644
10645 2012-03-16  Richard Guenther  <rguenther@suse.de>
10646
10647         PR middle-end/52584
10648         * fold-const.c (fold_ternary_loc): Fold vector typed BIT_FIELD_REFs
10649         of vector constants and constructors.
10650
10651 2012-03-16  Richard Guenther  <rguenther@suse.de>
10652
10653         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Use
10654         VIEW_CONVERT_EXPR to convert constants.
10655         (vect_is_simple_use): Treat all constants as vec_constant_def.
10656
10657 2012-03-16  Richard Guenther  <rguenther@suse.de>
10658             Kai Tietz  <ktietz@redhat.com>
10659
10660         PR middle-end/48814
10661         * gimplify.c (gimplify_self_mod_expr): Evaluate postfix
10662         side-effects completely in the pre-queue and use a temporary
10663         for the result.
10664
10665 2012-03-16  Richard Guenther  <rguenther@suse.de>
10666
10667         * stor-layout.c (finish_bitfield_representative): Fall back
10668         to the conservative maximum size if we cannot compute the
10669         size of the tail padding.
10670
10671 2012-03-16  Tristan Gingold  <gingold@adacore.com>
10672
10673         * config/vms/vms.h (TARGET_OS_CPP_BUILTINS): Define
10674         __CRTL_VER and __VMS_VER.
10675         * config/vms/vms-protos.h: Declare vms_c_get_crtl_ver
10676         and vms_c_get_vms_ver.
10677         * config/vms/vms-c.c (vms_c_get_crtl_ver, vms_c_get_vms_ver): New
10678         functions.
10679         * config/alpha/vms.h (VMS_DEFAULT_CRTL_VER)
10680         (VMS_DEFAULT_VMS_VER): Define.
10681         * config/ia64/vms.h (VMS_DEFAULT_CRTL_VER)
10682         (VMS_DEFAULT_VMS_VER): Define.
10683
10684 2012-03-16  Richard Guenther  <rguenther@suse.de>
10685
10686         * tree-vect-loop.c (get_initial_def_for_induction): Use
10687         build_constructor directly.
10688         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Use
10689         build_vector_from_val.
10690         * tree.c (build_vector_from_val): Avoid creating a constructor
10691         first when we want a constant vector.
10692
10693 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
10694
10695         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
10696
10697 2012-03-16  Richard Guenther  <rguenther@suse.de>
10698
10699         * tree.h (TREE_VECTOR_CST_ELTS): Remove.
10700         (VECTOR_CST_NELTS, VECTOR_CST_ELTS, VECTOR_CST_ELT): New defines.
10701         (struct tree_vector): Remove elements member, add variable size
10702         elts array member.
10703         (build_vector_stat): Declare.
10704         (build_vector): Define in terms of build_vector_stat.
10705         * tree.c (build_vector): Rename to ...
10706         (build_vector_stat): ... this.  Take array of trees as parameter.
10707         (build_vector_from_ctor): Adjust.
10708         (integer_zerop, integer_onep, integer_all_onesp, iterative_hash_expr,
10709         initializer_zerop): Adjust.
10710         * cfgexpand.c (expand_debug_expr): Likewise.
10711         * expr.c (categorize_ctor_elements_1, expand_expr_real_1,
10712         const_vector_from_tree): Likewise.
10713         * fold-const.c (const_binop, operand_equal_p, native_encode_vector,
10714         native_interpret_vector, fold_unary_loc, vec_cst_ctor_to_array,
10715         fold_vec_perm, fold_binary_loc, fold_ternary_loc): Likewise.
10716         * tree-streamer-in.c (streamer_alloc_tree): Handle TS_VECTOR.
10717         (lto_input_ts_vector_tree_pointers): Adjust.
10718         * tree-streamer-out.c (streamer_write_tree_header): Handle TS_VECTOR.
10719         (write_ts_vector_tree_pointers): Adjust.
10720         * varasm.c (const_hash_1, compare_constant, copy_constant,
10721         output_constant): Adjust.
10722         * gimple-fold.c (gimple_fold_stmt_to_constant_1): Adjust.
10723         * print-tree.c (print_node): Adjust.
10724         * tree-pretty-print.c (dump_generic_node): Adjust.
10725         * tree-vect-generic.c (uniform_vector_p, vector_element,
10726         lower_vec_perm): Adjust.
10727         * tree-vect-loop.c (get_initial_def_for_reduction): Adjust.
10728         * tree-vect-slp.c (vect_get_constant_vectors,
10729         vect_transform_slp_perm_load): Adjust.
10730         * tree-vect-stmts.c (vect_gen_perm_mask): Adjust.
10731         * expmed.c (make_tree): Adjust.
10732         * config/i386/i386.c (ix86_expand_builtin): Adjust.
10733         * config/sparc/sparc.c (sparc_handle_vis_mul8x16): Adjust interface
10734         and implementation.
10735         (sparc_fold_builtin): Adjust.
10736
10737 2012-03-16  Tristan Gingold  <gingold@adacore.com>
10738
10739         * config.gcc (*-*-*vms*): Define use_gcc_stdint and tm_file.
10740         * config/vms/vms-stdint.h: New file.
10741
10742 2012-03-16  Tristan Gingold  <gingold@adacore.com>
10743
10744         * config.host (alpha64-dec-*vms*, alpha*-dec-*vms*)
10745         (ia64-hp-*vms*): Replaced by ...
10746         (*-*-*vms*): ... This new entry.
10747
10748 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
10749
10750         PR target/52568
10751         * config/i386/i386.c (expand_vec_perm_vperm2f128_vblend): New function.
10752         (ix86_expand_vec_perm_const_1): Use it.
10753
10754         PR target/52568
10755         * config/i386/sse.md (UNSPEC_VPERMDF): Remove.
10756         (avx2_permv4df): Remove.
10757         (avx2_permv4di): Macroize into...
10758         (avx2_perm<mode>): ... this using VI8F_256 iterator.
10759         (avx2_permv4di_1): Macroize into...
10760         (avx2_perm<mode>_1): ... this using VI8F_256 iterator.
10761
10762 2012-03-15  Ulrich Weigand  <ulrich.weigand@linaro.org>
10763
10764         * combine.c (apply_distributive_law): Do not distribute SUBREG.
10765
10766 2012-03-15  Ira Rosen  <irar@il.ibm.com>
10767             Ulrich Weigand  <ulrich.weigand@linaro.org>
10768
10769         * tree-vect-patterns.c (widened_name_p): Rename to ...
10770         (type_conversion_p): ... this.  Add new argument to determine
10771         if it's a promotion or demotion operation.  Check for
10772         CONVERT_EXPR_CODE_P instead of NOP_EXPR.
10773         (vect_recog_dot_prod_pattern): Call type_conversion_p instead
10774         widened_name_p.
10775         (vect_recog_widen_mult_pattern, vect_recog_widen_sum_pattern,
10776         vect_operation_fits_smaller_type, vect_recog_widen_shift_pattern):
10777         Likewise.
10778         (vect_recog_mixed_size_cond_pattern): Likewise and allow
10779         non-constant then and else clauses.
10780
10781 2012-03-15  Ira Rosen  <irar@il.ibm.com>
10782             Ulrich Weigand  <ulrich.weigand@linaro.org>
10783
10784         * tree-vectorizer.h (vect_pattern_recog): Add new argument.
10785         * tree-vect-loop.c (vect_analyze_loop_2): Update call to
10786         vect_pattern_recog.
10787         * tree-vect-patterns.c (widened_name_p): Pass basic block
10788         info to vect_is_simple_use.
10789         (vect_recog_dot_prod_pattern): Fail for basic blocks.
10790         (vect_recog_widen_sum_pattern): Likewise.
10791         (vect_handle_widen_op_by_const): Support basic blocks.
10792         (vect_operation_fits_smaller_type,
10793         vect_recog_over_widening_pattern): Likewise.
10794         (vect_recog_vector_vector_shift_pattern): Support basic blocks.
10795         Update call to vect_is_simple_use.
10796         (vect_recog_mixed_size_cond_pattern): Support basic blocks.
10797         Add printing.
10798         (check_bool_pattern): Add an argument, update call to
10799         vect_is_simple_use and the recursive calls.
10800         (vect_recog_bool_pattern): Update relevant function calls.
10801         Add printing.
10802         (vect_mark_pattern_stmts): Update calls to new_stmt_vec_info.
10803         (vect_pattern_recog_1): Check for reduction only in loops.
10804         (vect_pattern_recog): Add new argument.  Support basic blocks.
10805         * tree-vect-stmts.c (vectorizable_conversion): Pass basic block
10806         info to vect_is_simple_use_1.
10807         * tree-vect-slp.c (vect_get_and_check_slp_defs): Support basic blocks.
10808         (vect_slp_analyze_bb_1): Call vect_pattern_recog.
10809
10810 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
10811             Andrew Pinski  <apinski@cavium.com>
10812
10813         PR middle-end/52592
10814         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
10815         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
10816         calls instead of __builtin_ir{int,ound}*.
10817
10818 2012-03-15  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
10819
10820         * doc/sourcebuild.texi (cleanup-modules, keep-modules): Update
10821         documentation.
10822
10823 2012-03-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
10824
10825         * config.gcc (target_type_format_char): New. Document it. Set it for
10826         arm*-*-* .
10827         * configure.ac (gnu_unique_option): Use target_type_format_char
10828         in test.  Comment rationale.
10829         * configure: Regenerate .
10830
10831 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
10832
10833         PR tree-optimization/52267
10834         * tree-vrp.c (masked_increment): New function.
10835         (register_edge_assert_for_2): Derive ASSERT_EXPRs
10836         from (X & CST1) cmp CST2 tests.
10837
10838 2012-03-15  Richard Guenther  <rguenther@suse.de>
10839
10840         PR middle-end/52580
10841         * tree-data-ref.c (subscript_dependence_tester_1): Check
10842         all dimensions for non-conflicting access functions.
10843
10844 2012-03-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
10845
10846         PR c++/44783
10847         * doc/invoke.texi [C++ Language Options]: Document
10848         -ftemplate-backtrace-limit.
10849
10850 2012-03-15  Tristan Gingold  <gingold@adacore.com>
10851
10852         * c-parser.c (c_parser_parameter_declaration): Handle #pragma
10853         before a parameter.
10854
10855 2012-03-15  Tristan Gingold  <gingold@adacore.com>
10856
10857         * dwarf2out.c (gen_subprogram_die): Require dwarf unwinding to
10858         use DW_OP_call_frame_cfa.
10859
10860 2012-03-14  H.J. Lu  <hongjiu.lu@intel.com>
10861
10862         PR target/50797
10863         * config/i386/i386-opts.h (pmode): New.
10864
10865         * config/i386/i386.c (ix86_option_override_internal): Properly
10866         check and set ix86_pmode.
10867
10868         * config/i386/i386.h (Pmode): Check ix86_pmode instead of TARGET_64BIT.
10869
10870         * config/i386/i386.opt (maddress-mode=): New.
10871
10872         * doc/invoke.texi: Document -maddress-mode=short|long for x86.
10873
10874 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
10875
10876         * dwarf2cfi.c (def_cfa_0): Remove MIPS_DEBUGGING_INFO handling.
10877         (dwarf2out_do_cfi_asm): Likewise.
10878         * dwarf2out.c (output_call_frame_info): Remove MIPS_DEBUGGING_INFO
10879         handling.
10880         (add_data_member_location_attribute): Likewise.
10881         (gen_array_type_die): Likewise.
10882         (gen_subprogram_die): Likewise.
10883         (gen_producer_string): Likewise.
10884         * sdbout.c (sdbout_begin_prologue): Declare unconditionally.
10885         Remove MIPS_DEBUGGING_INFO handling.
10886         (sdb_debug_hooks): Likewise.
10887         (sdbout_begin_block): Likewise.
10888         (sdbout_end_block): Likewise.
10889         (sdbout_begin_prologue): Likewise.
10890         (sdbout_start_source_file): Likewise.
10891         (sdbout_end_source_file): Likewise.
10892         (sdbout_init): Likewise.
10893         * system.h (MIPS_DEBUGGING_INFO): Poison.
10894
10895 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
10896
10897         * config/alpha/alpha.c [HAVE_STAMP_H]: Remove.
10898         (alpha_file_start) [MS_STAMP]: Remove.
10899
10900         * config/alpha/elf.h (TARGET_GAS): Remove.
10901         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove.
10902         * config/alpha/linux.h (TARGET_DEFAULT): Remove.
10903         * config/alpha/netbsd.h (TARGET_DEFAULT): Remove.
10904         * config/alpha/vms.h (TARGET_DEFAULT): Remove.
10905         * config.gcc (alpha*-*-linux*): Remove target_cpu_default.
10906         (alpha*-*-freebsd*): Likewise.
10907         (alpha*-*-netbsd*): Likewise.
10908         (alpha*-*-openbsd*): Likewise.
10909         (alpha*-*-*): Remove target_cpu_default2.
10910         * config/alpha/alpha.c (alpha_output_filename): Remove !TARGET_GAS
10911         handling.
10912         * config/alpha/alpha.h (TARGET_AS_CAN_SUBTRACT_LABELS): Remove.
10913         (TARGET_AS_SLASH_BEFORE_SUFFIX): Remove.
10914         * config/alpha/alpha.c (print_operand): Always assume
10915         TARGET_AS_SLASH_BEFORE_SUFFIX.
10916         * config/alpha/alpha.md ("*builtin_setjmp_receiver_er_sl_1"):
10917         Remove TARGET_AS_CAN_SUBTRACT_LABELS.
10918         ("*builtin_setjmp_receiver_er_1"): Remove.
10919         * config/alpha/alpha.opt (malpha-as): Remove.
10920         (mgas): Ignore.
10921         * doc/invoke.texi (Option Summary, DEC Alpha Options): Remove
10922         -malpha-as, -mgas.
10923         Remove DEC Unix reference.
10924
10925         * config/alpha/alpha.h (OBJECT_FORMAT_COFF): Remove.
10926         (EXTENDED_COFF): Remove.
10927         * config/alpha/elf.h (OBJECT_FORMAT_COFF): Don't undef.
10928         (EXTENDED_COFF): Don't undef.
10929         * config/alpha/alpha.c (alpha_file_start): Always assume
10930         OBJECT_FORMAT_ELF.
10931         Don't set targetm.asm_file_start_file_directive.
10932         [!OBJECT_FORMAT_ELF]: Remove.
10933         (TARGET_ASM_FILE_START_FILE_DIRECTIVE): Remove.
10934
10935         * config/alpha/alpha.h (SDB_DEBUGGING_INFO): Remove.
10936         (DBX_DEBUGGING_INFO): Remove.
10937         (MIPS_DEBUGGING_INFO): Remove.
10938         (PREFERRED_DEBUGGING_TYPE): Remove.
10939         (DBX_OUTPUT_SOURCE_LINE): Remove.
10940         (SDB_OUTPUT_SOURCE_LINE): Remove.
10941         (DBX_CONTIN_LENGTH): Remove.
10942         (NO_DBX_FUNCTION_END): Remove.
10943         (ASM_STABS_OP): Remove.
10944         (ASM_STABN_OP): Remove.
10945         (ASM_STABD_OP): Remove.
10946         (SDB_ALLOW_FORWARD_REFERENCES): Remove.
10947         (SDB_ALLOW_UNKNOWN_REFERENCES): Remove.
10948         (PUT_SDB_DEF): Remove.
10949         (PUT_SDB_PLAIN_DEF): Remove.
10950         (PUT_SDB_TYPE): Remove.
10951         (sdb_label_count): Remove.
10952         (PUT_SDB_BLOCK_START): Remove.
10953         (PUT_SDB_BLOCK_END): Remove.
10954         (PUT_SDB_FUNCTION_START): Remove.
10955         (PUT_SDB_FUNCTION_END): Remove.
10956         (PUT_SDB_EPILOGUE_END): Remove.
10957         * config/alpha/elf.h (SDB_DEBUGGING_INFO): Don't undef.
10958         (MIPS_DEBUGGING_INFO): Don't undef.
10959         (DBX_DEBUGGING_INFO): Don't undef.
10960         * config/alpha/vms.h (SDB_DEBUGGING_INFO): Don't undef.
10961         (MIPS_DEBUGGING_INFO): Don't undef.
10962         (DBX_DEBUGGING_INFO): Don't undef.
10963         * config/alpha/freebsd.h (DBX_CONTIN_CHAR): Remove.
10964         * config/alpha/alpha.c (alpha_option_override): Remove SDB_DEBUG
10965         handling.
10966         (alpha_start_function): Likewise.
10967         (sdb_label_count): Remove.
10968         (alpha_output_filename): Remove DBX_DEBUG handling.
10969         (alpha_file_start): Likewise.
10970
10971 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
10972
10973         * config.gcc (enable_obsolete): Remove *-*-solaris2.8*.
10974         (*-*-solaris2.[0-8], *-*-solaris2.[0-8].*): Mark unsupported.
10975         (i[34567]86-*-solaris2*, x86_64-*-solaris2.1[0-9]*): Remove
10976         Solaris 8 support.
10977         * configure.ac (gcc_cv_ld_hidden): Remove *-*-solaris2.8*.
10978         (ld_tls_support): Remove Solaris 8 references.
10979         (lwp_dir, lwp_spec): Remove support for alternate thread library.
10980         * acinclude.m4 (gcc_cv_initfini_array): Remove *-*-solaris2.* tests.
10981         * configure: Regenerate.
10982         * config.in: Regenerate.
10983
10984         * config/sol2.h (LINK_SPEC): Remove LIB_THREAD_LDFLAGS_SPEC.
10985         * config/i386/sol2.h: Remove Solaris 8 references.
10986
10987         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Rename to ...
10988         (i?86-*-solaris2.9): ... this.
10989         Remove Solaris 8 references.
10990         (Specific, *-*-solaris2*): Document Solaris 8 removal.
10991         Remove Solaris 8 references.
10992
10993 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
10994
10995         * config.gcc (enable_obsolete): Remove mips-sgi-irix6.5.
10996         (mips-sgi-irix6.5*): Remove.
10997         * config.host (mips-sgi-irix*): Remove.
10998         * configure.ac (enable_fixed_point): Remove mips*-sgi-irix*.
10999         (set_have_as_tls): Remove *-*-irix6*.
11000         (gcc_cv_ld_static_dynamic): Remove mips-sgi-irix6*.
11001         * configure: Regenerate.
11002
11003         * config/mips/iris6.h: Remove.
11004         * config/mips/iris6.opt: Remove.
11005         * config/mips/t-irix6: Remove.
11006
11007         * config/mips/mips.h (TARGET_GPWORD): Remove IRIX 6 N64 handling.
11008         (TARGET_IRIX6): Remove.
11009         (TARGET_CPU_CPP_BUILTINS): Remove IRIX 6 handling.
11010         Don't define LANGUAGE_C, _LANGUAGE_C for Objective-C.
11011         * config/mips/mips.c (mips_build_builtin_va_list): Remove IRIX 6
11012         handling.
11013         (mips_file_start): Likewise.
11014         * config/mips/mips-protos.h (irix_asm_output_align): Remove.
11015
11016         * config/mips/driver-native.c [__sgi__]: Remove.
11017         (host_detect_local_cpu) [__sgi__]: Remove.
11018
11019         * config/mips/gnu-user.h: Remove iris5.h reference.
11020
11021         * config/mips/mips-modes.def: Remove IRIX 6 reference.
11022         * config/mips/gnu-user64.h (MIPS_TFMODE_FORMAT): Remove.
11023         * config/mips/mips.c (mips_option_override) [MIPS_TFMODE_FORMAT]:
11024         Remove.
11025
11026         * gcc.c (main): Move asm_debug initialization ...
11027         (asm_debug): ... here.
11028
11029         * ginclude/stddef.h (__STDDEF_H__): Don't define.
11030
11031         * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): Remove.
11032         * system.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): Poison.
11033         * collect2.c [LINK_ELIMINATE_DUPLICATE_LDIRECTORIES]: Remove.
11034         (main) [LINK_ELIMINATE_DUPLICATE_LDIRECTORIES]: Remove.
11035         [LINK_ELIMINATE_DUPLICATE_LDIRECTORIES] (is_in_args): Remove.
11036         * doc/tm.texi.in (Driver, LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
11037         Remove.
11038         * doc/tm.texi: Regenerate.
11039
11040         * doc/invoke.texi (Debugging Options, -gdwarf-<version>): Remove
11041         IRIX 6 reference.
11042         (MIPS Options, -march): Remove IRIX reference.
11043         * doc/install.texi (Binaries, SGI IRIX): Remove.
11044         (Specific, mips-sgi-irix6): Document IRIX 6.5 removal, remove rest
11045         of section.
11046         * doc/trouble.texi (Interoperation): Remove -lgl_s handling.
11047
11048 2012-03-14  Martin Jambor  <mjambor@suse.cz>
11049
11050         * expr.c (expand_assignment): Use expand_expr with EXPAND_WRITE
11051         when expanding MEM_REFs, MEM_TARGET_REFs and handled_component bases.
11052         (expand_expr_real_1): Do not handle misalignment if modifier is
11053         EXPAND_WRITE.
11054
11055 2012-03-14  Richard Guenther  <rguenther@suse.de>
11056
11057         PR middle-end/52584
11058         * tree-vect-generic.c (type_for_widest_vector_mode): Take
11059         element type instead of mode, use build_vector_type_for_mode
11060         instead of the langhook, build a vector of proper signedness.
11061         (expand_vector_operations_1): Adjust.
11062
11063 2012-03-14  Richard Guenther  <rguenther@suse.de>
11064
11065         PR middle-end/52582
11066         * gimple-fold.c (canonicalize_constructor_val): Make sure we have
11067         a cgraph node for a FUNCTION_DECL that comes from a constructor.
11068         (gimple_get_virt_method_for_binfo): Likewise.
11069
11070 2012-03-14  Richard Guenther  <rguenther@suse.de>
11071
11072         PR tree-optimization/52571
11073         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Move
11074         flag_section_anchors check ...
11075         (vect_can_force_dr_alignment_p): ... here.  Do not re-align
11076         DECL_COMMON variables.
11077
11078 2012-03-14  Richard Guenther  <rguenther@suse.de>
11079
11080         * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
11081         * stor-layout.c (start_bitfield_representative): New function.
11082         (finish_bitfield_representative): Likewise.
11083         (finish_bitfield_layout): Likewise.
11084         (finish_record_layout): Call finish_bitfield_layout.
11085         * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
11086         for QUAL_UNION_TYPE fields.
11087         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
11088         Stream DECL_BIT_FIELD_REPRESENTATIVE.
11089         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
11090
11091         PR middle-end/52080
11092         PR middle-end/52097
11093         PR middle-end/48124
11094         * expr.c (get_bit_range): Unconditionally extract bitrange
11095         from DECL_BIT_FIELD_REPRESENTATIVE.
11096         (expand_assignment): Adjust call to get_bit_range.
11097
11098 2012-03-14  Richard Guenther  <rguenther@suse.de>
11099
11100         PR middle-end/52578
11101         * fold-const.c (fold_unary_loc): Fold (T1)(T2)x to (T1)x if
11102         the outermost conversion is a sign-change only.
11103         (fold_binary_loc): Disregard widening and sign-changing
11104         conversions when we determine if two variables are equal
11105         for reassociation.
11106         * tree-ssa-forwprop.c (combine_conversions): Fold (T1)(T2)x to
11107         (T1)x if the outermost conversion is a sign-change only.
11108
11109 2012-03-14  Uros Bizjak  <ubizjak@gmail.com>
11110
11111         Revert:
11112         2012-03-14  Uros Bizjak  <ubizjak@gmail.com>
11113
11114         * config/i386/predicates.md (constant_call_address_operand): Declare
11115         as special predicate.  Update all uses.
11116
11117 2012-03-13  Jakub Jelinek  <jakub@redhat.com>
11118
11119         PR c/52577
11120         * c-parser.c (c_parser_postfix_expression)
11121         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
11122
11123         * config/i386/smmintrin.h: Avoid /* within a comment.
11124         * config/i386/nmmintrin.h: Likewise.
11125
11126 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
11127
11128         * config/i386/i386.md (xbegin): Remove constraint from expander.
11129
11130 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
11131
11132         * config/i386/predicates.md (constant_call_address_operand): Declare
11133         as special predicate.  Update all uses.
11134         * config/i386/i386.md: Remove mode from constant_call_address_operand
11135         predicates.
11136         * config/i386/i386.c (ix86_output_call_insn): Call
11137         constant_call_address_operand with VOIDmode.
11138
11139 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
11140
11141         * config/i386/i386.c (ix86_decompose_address): Handle subregs of
11142         AND zero extended address correctly.
11143
11144 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
11145
11146         * config/i386/predicates.md (tls_symbolic_operand): Declare as
11147         special predicate.
11148         (tls_modbase_operand): Ditto.
11149         * config/i386/i386.md: Remove mode from tls_symbolic_operand and
11150         tls_modbase_operand predicates.
11151
11152 2012-03-13  Martin Jambor  <mjambor@suse.cz>
11153
11154         * expr.c (expand_assignment): Handle misaligned scalar writes to
11155         memory through top-level MEM_REFs by calling store_bit_field.
11156
11157 2012-03-13  Richard Guenther  <rguenther@suse.de>
11158
11159         PR middle-end/52134
11160         * fold-const.c (fold_binary_loc): Fold (X * Y) & -(1 << CST) to X * Y
11161         if Y is a constant multiple of 1 << CST.
11162
11163 2012-03-13  Georg-Johann Lay  <avr@gjlay.de>
11164
11165         PR target/52488
11166         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
11167         offset (size) to a value the insns can deal with.
11168         (expand_epilogue): Ditto.
11169
11170 2012-03-13  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
11171
11172         * config/arm/neon.ml (ops): Fixup expected instructions for
11173         unsigned vector compares.
11174
11175 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
11176
11177         * config/i386/i386.c (ix86_decompose_address): Prevent %fs:(%reg)
11178         addresses only when %reg is not in word mode.
11179
11180 2012-03-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
11181
11182         * config/microblaze/microblaze.md: Fix typo.
11183         * tree-if-conv.c: Likewise.
11184         * tree-vect-patterns.c: Likewise.
11185
11186 2012-03-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
11187
11188         * config.gcc (extra_passes): Remove.
11189         * configure.ac (extra_passes): Don't substitute.
11190         * configure: Regenerate.
11191         * Makefile.in (EXTRA_PASSES): Remove.
11192         (GCC_PASSES): Remove $(EXTRA_PASSES).
11193         (MOSTLYCLEANFILES): Likewise.
11194         (native): Likewise.
11195         (install-common): Likewise.
11196
11197 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
11198
11199         * config/i386/i386.h (TARGET_TLS_INDIRECT_SEG_REFS): New.
11200         * config/i386/i386.c (ix86_decompose_address): Use
11201         TARGET_TLS_INDIRECT_SEG_REFS to prevent %fs:(%reg) addresses.
11202         (legitimize_tls_address): Use TARGET_TLS_INDIRECT_SEG_REFS to load
11203         thread pointer to a register.
11204
11205 2012-03-12  H.J. Lu  <hongjiu.lu@intel.com>
11206
11207         * config/i386/i386.md (*tls_global_dynamic_64_<mode>): Remove :P
11208         on tls_symbolic_operand.
11209         (tls_global_dynamic_64_<mode>): Likewise.
11210
11211 2012-03-12  Georg-Johann Lay  <avr@gjlay.de>
11212
11213         PR other/52545
11214         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
11215         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
11216
11217 2012-03-12  Georg-Johann Lay  <avr@gjlay.de>
11218
11219         PR target/52499
11220         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
11221         type from reg_class_t to enum reg_class.
11222         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
11223
11224 2012-03-12  Andrew Pinski  <apinski@cavium.com>
11225
11226         * tree-ssa-phiopt.c (single_non_singleton_phi_for_edges): New function.
11227         (tree_ssa_phiopt_worker): Use single_non_singleton_phi_for_edges.
11228         (value_replacement): Likewise.
11229         (empty_block_p): Check also if the PHIs for the block are empty.
11230
11231 2012-03-12  Georg-Johann Lay  <avr@gjlay.de>
11232
11233         PR target/52148
11234         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
11235         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
11236         r184615 from 2012-02-28.
11237
11238 2012-03-12  H.J. Lu  <hongjiu.lu@intel.com>
11239
11240         * config/i386/i386.c (ix86_gen_tls_global_dynamic_64): New.
11241         (ix86_gen_tls_local_dynamic_base_64): Likewise.
11242         (ix86_option_override_internal): Set ix86_gen_tls_global_dynamic_64
11243         and ix86_gen_tls_local_dynamic_base_64.
11244         (legitimize_tls_address): Use ix86_gen_tls_global_dynamic_64 and
11245         ix86_gen_tls_local_dynamic_base_64.
11246
11247         * config/i386/i386.md (*tls_global_dynamic_64): Renamed to ...
11248         (*tls_global_dynamic_64_<mode>): This.
11249         (tls_global_dynamic_64): Renamed to ...
11250         (tls_global_dynamic_64_<mode>): This.
11251         (*tls_local_dynamic_base_64): Renamed to ...
11252         (*tls_local_dynamic_base_64_<mode>): This.
11253         (tls_local_dynamic_base_64): Renamed to ...
11254         (tls_local_dynamic_base_64_<mode>): This.
11255
11256 2012-03-12  H.J. Lu  <hongjiu.lu@intel.com>
11257
11258         * config/i386/i386.c (ix86_option_override_internal): Properly
11259         set ix86_gen_leave and ix86_gen_monitor.  Check Pmode == DImode,
11260         instead of TARGET_64BIT, to set ix86_gen_add3, ix86_gen_sub3,
11261         ix86_gen_one_cmpl2, ix86_gen_andsp, ix86_gen_allocate_stack_worker,
11262         ix86_gen_adjust_stack_and_probe and ix86_gen_probe_stack_range.
11263
11264         * config/i386/sse.md (sse3_monitor64): Renamed to ...
11265         (sse3_monitor64_<mode>): This.
11266
11267 2012-03-12  Tristan Gingold  <gingold@adacore.com>
11268
11269         * config/ia64/ia64.c (ia64_function_arg_1): Move code around.
11270         (ia64_function_arg_advance): Ditto.
11271
11272 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
11273
11274         * config.gcc (mips*-*-openbsd*): Remove.
11275         * config/mips/openbsd.h: Remove.
11276         * config/mips/sdb.h: Remove.
11277
11278         * config/mips/mips.h (SDB_OUTPUT_SOURCE_LINE): Remove.
11279         * config/mips/mips.c (sdb_label_count): Remove.
11280         (mips_debugger_offset): Remove #if 0 code.
11281         (mips_output_function_prologue) [SDB_DEBUGGING_INFO]: Remove.
11282         * config/mips/sde.h (SDB_DEBUGGING_INFO): Don't undef.
11283
11284 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
11285
11286         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
11287         binutils reference.
11288         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
11289         Update binutils references.
11290         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
11291         Update binutils reference.
11292         Update Sun as/GNU ld caveat.
11293         Document binutils largefile requirement for LTO plugin.
11294         Remove reference to alternate libpthread.
11295
11296 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
11297
11298         * config.gcc (alpha*-dec-osf5.1*): Remove.
11299         * config.host (alpha*-dec-osf*): Remove.
11300         * configure.ac (*-*-osf*): Remove.
11301         (alpha*-dec-osf*): Remove.
11302         * configure: Regenerate.
11303
11304         * config/alpha/host-osf.c, config/alpha/osf5.h, config/alpha/osf5.opt,
11305         config/alpha/va_list.h, config/alpha/x-osf: Remove.
11306
11307         * config/alpha/alpha.h (TARGET_LD_BUGGY_LDGP): Remove.
11308         * config/alpha/alpha.c (struct machine_function): Update comment.
11309         (alpha_start_function): Remove Tru64 UNIX as handling for
11310         max_frame_size.
11311         * config/alpha/alpha.md ("exception_receiver"): Remove
11312         TARGET_LD_BUGGY_LDGP.
11313         ("*exception_receiver_2"): Likewise.
11314         * except.c (finish_eh_generation): Remove Tru64 reference.
11315         * ginclude/stdarg.h [_HIDDEN_VA_LIST]: Don't undef _VA_LIST.
11316         * system.h (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Poison.
11317         * target.def (handle_pragma_extern_prefix): Remove.
11318
11319         * Makefile.in (mips-tfile.o-warn): Remove.
11320         (ALL_HOST_BACKEND_OBJS): Remove mips-tfile.o, mips-tdump.o.
11321         (mips-tfile, mips-tfile.o, mips-tdump, mips-tdump.o): Remove.
11322         * mips-tdump.c, mips-tfile.c: Remove.
11323
11324         * doc/extend.texi (Symbol-Renaming Pragmas): Remove #pragma
11325         extern_prefix.
11326         * doc/install.texi (Binaries): Remove Tru64 UNIX reference.
11327         (Specific, alpha*-dec-osf5.1): Note removal.
11328         * doc/tm.texi.in (Misc, TARGET_HANDLE_PRAGMA_EXTERN_PREFIX):
11329         Remove.
11330         * doc/tm.texi: Regenerate.
11331         * doc/trouble.texi (Cross-Compiler Problems): Remove.
11332
11333 2012-03-12  Richard Guenther  <rguenther@suse.de>
11334
11335         * config/arm/arm.c (neon_dereference_pointer): Do not call
11336         covert during RTL expansion.
11337
11338 2012-03-12  Tristan Gingold  <gingold@adacore.com>
11339
11340         * doc/invoke.texi (VMS Options): Merge Alpha/VMS and IA-64/VMS
11341         Options.  Mention -mpointer-size.
11342
11343 2012-03-12  Richard Guenther  <rguenther@suse.de>
11344
11345         * config/alpha/alpha.c (alpha_gimplify_va_arg): Use
11346         build_nonstandard_integer_type.
11347
11348 2012-03-12  Richard Guenther  <rguenther@suse.de>
11349
11350         * tree.c (signed_or_unsigned_type_for): Use
11351         build_nonstandard_integer_type.
11352         (signed_type_for): Adjust documentation.
11353         (unsigned_type_for): Likewise.
11354         * tree-pretty-print.c (dump_generic_node): Use standard names
11355         for non-standard integer types if available.
11356
11357 2012-03-12  Tristan Gingold  <gingold@adacore.com>
11358
11359         * config/vms/vms.opt: Add vms-opts.h header.
11360         (mmalloc64): Use flag_vms_malloc64 flag instead of MALLOC64
11361         target mask.
11362         (-mvms-return-codes): Document.
11363         (-mpointer-size): New option.
11364         (vms_pointer_size): Add enumeration.
11365         * config/vms/vms-opts.h: New file.
11366         * config/vms/vms.h (TARGET_OS_CPP_BUILTINS): Define
11367         __INITIAL_POINTER_SIZE.
11368         (POINTER_SIZE, SIZE_TYPE, PTRDIFF_TYPE): Adjust definition.
11369         (C_COMMON_OVERRIDE_OPTIONS): Define.
11370         (DWARF2_ADDR_SIZE): Define.
11371         * config/vms/vms.c (vms_patch_builtins): Adjust condition.
11372         * config/vms/vms-protos.h (vms_c_common_override_options):
11373         New prototype.
11374         * config/vms/vms-c.c (vms_pragma_pointer_size): Ignore pragma
11375         if -mno-pointer-size.
11376         (vms_c_common_override_options): New function.
11377         * config/ia64/vms.h (TARGET_DEFAULT): Remove MASK_MALLOC64.
11378         * config/alpha/vms.h (TARGET_DEFAULT): Remove MASK_MALLOC64.
11379         (MALLOC_ABI_ALIGNMENT): Use flag_vms_malloc64
11380         and flag_vms_pointer_size.
11381         (MASK_RETURN_ADDR): Set according to flag_vms_pointer_size.
11382         * config.gcc (*-*-*vms*): Define xm_file.
11383         (alpha*-dec-*vms*): Do not define xm_file.
11384         (alpha64-dec-*vms*): Remove.
11385         (ia64-hp-*vms*): Do not define xm_file.  Simplify tm_file
11386         and tmake_file.
11387
11388 2012-03-12  Jakub Jelinek  <jakub@redhat.com>
11389
11390         PR tree-optimization/51721
11391         * tree-vrp.c (register_edge_assert_for_2): Add asserts for unsvar
11392         if (int) unsvar cmp CST.
11393
11394 2012-03-12  Richard Guenther  <rguenther@suse.de>
11395
11396         * tree-sra.c (create_access_replacement): Only rename the replacement
11397         if we can rewrite it into SSA form.  Properly mark register typed
11398         replacements that we cannot rewrite with TREE_ADDRESSABLE.
11399         * tree-cfg.c (verify_expr): Fix BIT_FIELD_REF verification
11400         for aggregate or BLKmode results.
11401
11402 2012-03-12  Jakub Jelinek  <jakub@redhat.com>
11403
11404         PR tree-optimization/52533
11405         * tree-vrp.c (register_edge_assert_for_2): Use double_int
11406         type for mask, only handle shifts by non-zero in-range
11407         shift count, for LE_EXPR and GT_EXPR if new_val is
11408         maximum, don't add the assertion.
11409
11410 2012-02-12  Kirill Yukhin  <kirill.yukhin@intel.com>
11411
11412         * doc/invoke.texi: Document -mrtm option.
11413         * common/config/i386/i386-common.c (OPTION_MASK_ISA_RTM_SET): New.
11414         (OPTION_MASK_ISA_RTM_UNSET): Ditto.
11415         (ix86_handle_option): Handle OPT_mrtm.
11416         * config.gcc (i[34567]86-*-*): Add rtmintrin.h and
11417         xtestintrin.h.
11418         (x86_64-*-*): Ditto.
11419         * i386-builtin-types.def (INT_FTYPE_VOID): New.
11420         * config/i386/i386-c.c (ix86_target_macros_internal): Define
11421         __RTM__ if needed.
11422         (ix86_target_string): Define -mrtm option.
11423         (PTA_RTM): New.
11424         (ix86_option_override_internal): Extend "corei7-avx" with RTM option.
11425         Handle new option.
11426         (ix86_valid_target_attribute_inner_p): Add OPT_mrtm.
11427         (ix86_builtins): Add IX86_BUILTIN_XBEGIN, IX86_BUILTIN_XEND,
11428         IX86_BUILTIN_XTEST.
11429         (bdesc_special_args): Ditto.
11430         (ix86_init_mmx_sse_builtins): Add IX86_BUILTIN_XABORT.
11431         (ix86_expand_special_args_builtin): Handle new built-in type.
11432         (ix86_expand_builtin): Handle XABORT instruction.
11433         * config/i386/i386.h (TARGET_RTM): New.
11434         * config/i386/i386.md (UNSPECV_XBEGIN): New.
11435         (UNSPECV_XEND): Ditto.
11436         (UNSPECV_XABORT): Ditto.
11437         (UNSPECV_XTEST): Ditto.
11438         (xbegin): Ditto.
11439         (xbegin_1): Ditto.
11440         (xend): Ditto.
11441         (xabort): Ditto
11442         (xtest): Ditto.
11443         (xtest_1): Ditto.
11444         * config/i386/i386.opt (mrtm): New.
11445         * config/i386/immintrin.h: Include rtmintrin.h and xtestintrin.h.
11446         * config/i386/rtmintrin.h: New header.
11447         * config/i386/xtestintrin.h: Ditto.
11448
11449 2012-03-12  Tristan Gingold  <gingold@adacore.com>
11450
11451         * ginclude/stddef.h: Adjust previous patch.
11452         Use __VMS__ instead of VMS.
11453
11454 2012-03-12  Uros Bizjak  <ubizjak@gmail.com>
11455
11456         * config/i386/i386.md (setcc + movzbl to xor + setcc peephole2):
11457         Also convert sequences with CC setting arithmetic instruction.
11458
11459 2012-03-11  Sandra Loosemore  <sandra@codesourcery.com>
11460
11461         * doc/invoke.texi (Option Summary): Move -no-integrated-cpp
11462         from C Language Options to Preprocessor Options.
11463         (C Dialect Options): Move -no-integrated-cpp documentation
11464         from here...
11465         (Preprocessor Options): ...to here.  Rewrite the description
11466         so it makes more sense, and remove discussion of merging front ends.
11467
11468 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
11469
11470         * config/i386/i386.c (ix86_expand_movmem): Use word_mode for size
11471         needed for loop.
11472         (ix86_expand_setmem): Likewise.
11473
11474 2012-03-11  Uros Bizjak  <ubizjak@gmail.com>
11475
11476         * config/i386/i386.c (ix86_zero_extend_to_Pmode): Rewrite using
11477         convert_to_mode.
11478
11479 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
11480
11481         * config/i386/i386.c (ix86_trampoline_init): Use movl for 64bit if
11482         ptr_mode == SImode.  Replace DImode with Pmode or ptr_mode.
11483
11484 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
11485
11486         * config/i386/i386.c (x86_this_parameter): Replace DImode with Pmode.
11487
11488 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
11489
11490         * config/i386/i386.md (lwp_slwpcb): Check Pmode instead of
11491         TARGET_64BIT.
11492
11493 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
11494             Uros Bizjak  <ubizjak@gmail.com>
11495
11496         * config/i386/predicates.md (call_insn_operand): Allow
11497         constant_call_address_operand in Pmode only.
11498         (sibcall_insn_operand): Ditto.
11499         * config/i386/i386.md (*call): Use W mode iterator instead of P mode.
11500         (*call_vzeroupper): Ditto.
11501         (*sibcall): Ditto.
11502         (*sibcall_vzeroupper): Ditto.
11503         (*call_value): Ditto.
11504         (*call_value_vzeroupper): Ditto.
11505         (*sibcall_value): Ditto.
11506         (*sibcall_value_vzeroupper): Ditto.
11507         (*indirect_jump): Ditto.
11508         (*tablejump_1): Ditto.
11509         (indirect_jump): Convert memory address to word mode for TARGET_X32.
11510         (tablejump): Ditto.
11511         * config/i386/i386.c (ix86_expand_call): Convert indirect operands
11512         to word mode.
11513
11514 2012-03-11  Oleg Endo  <olegendo@gcc.gnu.org>
11515
11516         PR target/51244
11517         * config/sh/sh.md (movnegt): Expand into respective insns immediately.
11518         Use movrt_negc instead of negc pattern for non-SH2A.
11519         (*movnegt): Remove.
11520         (*movrt_negc, *negnegt, *movtt, *movt_qi): New insns and splits.
11521
11522 2012-03-10  H.J. Lu  <hongjiu.lu@intel.com>
11523
11524         * config/i386/i386.c (ix86_decompose_address): Disallow fs:(reg)
11525         if Pmode != word_mode.
11526         (legitimize_tls_address): Call gen_tls_initial_exec_x32 if
11527         Pmode == SImode for TARGET_X32.
11528
11529         * config/i386/i386.md (UNSPEC_TLS_IE_X32): New.
11530         (tls_initial_exec_x32): Likewise.
11531
11532 2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
11533
11534         PR rtl-optimization/52528
11535         * combine.c (can_combine_p): Add setting of subst_low_luid
11536         before call to expand_field_assignment().
11537
11538 2012-03-09  Sandra Loosemore  <sandra@codesourcery.com>
11539
11540         * doc/invoke.texi: Use correct names/markup for "GCC", "GDB", "ld",
11541         and related program names.
11542
11543 2012-03-09  Sandra Loosemore  <sandra@codesourcery.com>
11544
11545         * doc/invoke.texi: Use correct names for "DWARF", "stabs", and "ELF".
11546
11547 2012-03-09  Uros Bizjak  <ubizjak@gmail.com>
11548
11549         PR target/52530
11550         * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
11551         (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
11552         to set code to 'q'.
11553         * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
11554         (*movdi_internal_rex64): Use %E operand modifier for lea.
11555         (*movsi_internal): Ditto.
11556         (*lea_1): Ditto.
11557         (*lea<mode>_2): Ditto.
11558         (*lea_{3,4,5,6}_zext): Ditto.
11559         (*tls_global_dynamic_32_gnu): Ditto.
11560         (*tls_global_dynamic_64): Ditto.
11561         (*tls_dynamic_gnu2_lea_32): Ditto.
11562         (*tls_dynamic_gnu2_lea_64): Ditto.
11563         (pro_epilogue_adjust_stack_<mode>_add): Ditto.
11564
11565 2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
11566
11567         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
11568         redefine to be NULL if the current bit-size is different from the
11569         configured bit-size.
11570
11571         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
11572         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
11573         set the default tuning.  Add asserts to make sure the cpu and tune
11574         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
11575         test whether the index is set, instead of > 0.
11576         (rs6000_file_start): Do not reset the default cpu if the current
11577         bit-size is different from the configured bit-size.
11578
11579 2012-03-09  Tristan Gingold  <gingold@adacore.com>
11580
11581         * config/vms/vms-crtlmap.map: Add comments.
11582         Add entries needed to build Ada RTS.
11583
11584 2012-03-09  Tristan Gingold  <gingold@adacore.com>
11585
11586         * ginclude/stddef.h: Do not define __size_t on VMS.
11587
11588 2012-03-09  Tristan Gingold  <gingold@adacore.com>
11589
11590         * c-tree.h (c_default_pointer_mode): New variable.
11591         * c-decl.c (c_default_pointer_mode): New variable.
11592         (c_build_pointer_type): New function.
11593         (grokdeclarator): Call c_build_pointer_type instead
11594         of build_pointer_type.
11595
11596         * config/vms/vms-c.c: Include c-tree.h
11597         (saved_pointer_mode): New variable.
11598         (handle_pragma_pointer_size): New function.
11599         (vms_pragma_pointer_size, vms_pragma_required_pointer_size): Likewise.
11600         (vms_c_register_pragma): Register __pointer_size and
11601         __required_pointer_size pragmas.
11602
11603 2012-03-09  Tristan Gingold  <gingold@adacore.com>
11604
11605         * config/vms/vms-c.c (vms_construct_include_filename): New function.
11606         (vms_c_register_includes): Reference it.
11607
11608 2012-03-09  Andrew Pinski  <apinski@cavium.com>
11609
11610         PR middle-end/51988
11611         * tree-ssa-phiopt.c: Include tree-pretty-print.h for
11612         print_generic_expr.
11613         (tree_ssa_phiopt_worker): Go through all the PHIs for
11614         value_replacement instead of just the singleton one.
11615         (value_replacement): Change return type to int.  Return 0 instead of
11616         false.
11617         Allow the middle basic block to contain more than just the defining
11618         statement.
11619         Handle non empty middle basic blocks.
11620         * Makefile.in (tree-ssa-phiopt.o): Add tree-pretty-print.h.
11621
11622 2012-03-09  Jiangning Liu  <jiangning.liu@arm.com>
11623
11624         * tree-scalar-evolution (interpret_rhs_expr): generate chrec for
11625         array reference and component reference.
11626         (analyze_scalar_evolution_for_address_of): New.
11627
11628 2012-03-08  Jie Zhang  <jzhang918@gmail.com>
11629
11630         PR target/49862
11631         * config/bfin/bfin.c (hwloop_optimize): Fix unused variable warnings.
11632         (hwloop_pattern_reg): Fix set but not used warning.
11633         (bfin_reorg_loops): Remove unused parameter.
11634         (bfin_reorg): Update use of bfin_reorg_loops.
11635
11636 2012-03-08  H.J. Lu  <hongjiu.lu@intel.com>
11637
11638         * config/i386/i386.c (setup_incoming_varargs_64): Use word_mode
11639         with integer parameters in registers.
11640         (gen_push): Push register in word_mode instead of Pmode.
11641         (ix86_emit_save_regs): Likewise.
11642         (ix86_emit_save_regs_using_mov): Save integer registers in word_mode.
11643         (gen_pop): Pop register in word_mode instead of Pmode.
11644         (ix86_emit_restore_regs_using_pop): Likewise.
11645         (ix86_expand_prologue): Replace Pmode with word_mode for push
11646         immediate.  Use ix86_gen_pro_epilogue_adjust_stack.  Save and
11647         restore RAX and R10 in word_mode.
11648         (ix86_emit_restore_regs_using_mov): Restore integer registers
11649         in word_mode.
11650         (ix86_expand_split_stack_prologue): Save R10_REG and restore in
11651         word_mode.
11652         (ix86_split_to_parts): Use word_mode with PUT_MODE for push.
11653         (ix86_split_long_move): Likewise.
11654
11655         * config/i386/i386.md (W): New.
11656         (*push<mode>2_prologue): Replace :P with :W.
11657         (*pop<mode>1): Likewise.
11658         (*pop<mode>1_epilogue): Likewise.
11659         (push/pop peephole2): Use word_mode scratch registers.
11660
11661 2012-03-08  Uros Bizjak  <ubizjak@gmail.com>
11662
11663         * config/i386/predicates.md (indirect_branch_operand): Simplify.
11664
11665 2012-03-08  Georg-Johann Lay  <avr@gjlay.de>
11666
11667         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
11668         for constants in [-63,63].
11669
11670 2012-03-08  Uros Bizjak  <ubizjak@gmail.com>
11671
11672         PR target/52530
11673         Revert:
11674         2012-03-04  H.J. Lu  <hongjiu.lu@intel.com>
11675
11676         * config/i386/i386.c (ix86_print_operand_address): Only handle
11677         zero-extended DImode addresses.
11678
11679 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
11680
11681         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
11682         * configure: Regenerate.
11683
11684 2012-03-08  Georg-Johann Lay  <avr@gjlay.de>
11685
11686         PR target/52496
11687         * config/avr/avr.c (avr_mem_clobber): New static function.
11688         (avr_expand_delay_cycles): Add memory clobber operand to
11689         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
11690         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
11691         (enable_interrupt, disable_interrupt): New expander.
11692         (nopv, sleep, wdr): New expanders.
11693         (delay_cycles_1): Add memory clobber.
11694         (delay_cycles_2): Add memory clobber.
11695         (delay_cycles_3): Add memory clobber.
11696         (delay_cycles_4): Add memory clobber.
11697         (cli_sei): New insn from former "enable_interrupt",
11698         "disable_interrupt" with memory clobber.
11699         (*wdt): New insn from former "wdt" with memory clobber.
11700         (*nopv): Similar, but for "nopv".
11701         (*sleep): Similar, but for "sleep".
11702
11703 2012-03-07  Oleg Endo  <olegendo@gcc.gnu.org>
11704             Kaz Kojima  <kkojima@gcc.gnu.org>
11705
11706         PR target/52503
11707         * config/sh/sh.opt (msoft-atomic): Use Var instead of Mask.
11708         * config/sh/linux.h (TARGET_DEFAULT): Remove MASK_SOFT_ATOMIC.
11709         (SUBTARGET_OVERRIDE_OPTIONS): Define.
11710
11711 2012-03-07  Uros Bizjak  <ubizjak@gmail.com>
11712
11713         * config/i386/predicates.md (x86_64_zext_general_operand): New.
11714         * config/i386/i386.md (*zero_extendsidi2_rex64): Change operand 1
11715         predicate to x86_64_zext_general_operand.  Accept "Z" constraint.
11716
11717 2012-03-07  Walter Lee  <walt@tilera.com>
11718
11719         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
11720         REG_CFA_* notes for the stack pointer.
11721         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
11722         EH_RETURN_STACKADJ_RTX.
11723         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
11724         generate REG_CFA_* notes for the stack pointer.
11725         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
11726         by EH_RETURN_STACKADJ_RTX.
11727
11728 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
11729
11730         * doc/invoke.texi (AVR Built-in Macros): Correct condition for
11731         when __AVR_3_BYTE_PC__ is defined.
11732
11733 2012-03-07  Uros Bizjak  <ubizjak@gmail.com>
11734
11735         * config/i386/i386.c (ix86_print_operand_punct_valid_p): Add '^'.
11736         (ix86_print_operand): Handle '^'.
11737         * config/i386/i386.md (*strmovdi_rex_1): Macroize memory operands
11738         using P mode iterator.  Add %^ to asm template to conditionally emit
11739         addr32 prefix.
11740         (*rep_movdi_rex64): Ditto.
11741         (*strsetdi_rex_1): Ditto.
11742         (*rep_stosdi_rex64): Ditto.
11743         (*strmov{si,hi,qi}_1): Add %^ to asm template to
11744         conditionally emit addr32 prefix.
11745         (*rep_mov{si,qi}): Ditto.
11746         (*strset{si,hi,qi}): Ditto.
11747         (*rep_stos{si,qi}): Ditto.
11748         (*cmpstrnqi_nz_1): Ditto.
11749         (*cmpstrnqi_1): Ditto.
11750         (*strlenqi_1): Ditto.
11751
11752 2012-03-07  H.J. Lu  <hongjiu.lu@intel.com>
11753
11754         * config/i386/i386.c (function_value_64): Return pointers in
11755         word_mode instead of Pmode.
11756         (ix86_promote_function_mode): Likewise.
11757
11758 2012-03-07  Richard Guenther  <rguenther@suse.de>
11759
11760         * coverage.c (get_gcov_type): Use type_for_mode.
11761         (get_gcov_unsigned_t): Likewise.
11762         * expr.c (store_constructor): Use type_for_mode.
11763         (try_casesi): Likewise.
11764         * tree-ssa-loop-ivopts.c (add_standard_iv_candidates_for_size): Remove.
11765         (add_standard_iv_candidates): Use standard type trees.
11766         * dojump.c (do_jump): Remove dead code.
11767
11768 2012-03-07  Richard Guenther  <rguenther@suse.de>
11769
11770         * c-typeck.c (pointer_diff): Use c_common_type_for_size.
11771
11772 2012-03-07  Richard Guenther  <rguenther@suse.de>
11773
11774         * convert.c (strip_float_extensions): Move ...
11775         * tree.c (strip_float_extensions): ... here.
11776
11777 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
11778
11779         PR target/52484
11780         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
11781
11782 2012-03-07  Richard Guenther  <rguenther@suse.de>
11783
11784         * omp-low.c (extract_omp_for_data): Use signed_type_for.
11785         (expand_omp_for_generic): Likewise.
11786         (expand_omp_for_static_nochunk): Likewise.
11787         (expand_omp_for_static_chunk): Likewise.
11788         * tree-vect-stmts.c (vect_gen_perm_mask): Use type_for_mode.
11789         * tree-vect-slp.c (vect_transform_slp_perm_load): Likewise.
11790         * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop):
11791         Use unsigned_type_for.
11792         (vect_create_cond_for_align_checks): Use signed_type_for.
11793
11794 2012-03-07  Andrey Belevantsev  <abel@ispras.ru>
11795
11796         PR rtl-optimization/52203
11797         * sel-sched.c (estimate_insn_cost): New parameter pempty.  Adjust
11798         all callers to pass NULL except ...
11799         (reset_sched_cycles_in_current_ebb): ... here, save the value
11800         in new variable 'empty'.  Increase issue_rate only for
11801         non-empty insns.
11802
11803 2012-03-07  Ralf Corsépius  <ralf.corsepius@rtems.org>
11804
11805         PR target/51417
11806         * Makefile.in: Let install-gcc-ar depend on installdirs,
11807         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
11808         Don't double canonicalize if cross-compiling.
11809
11810 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
11811
11812         PR target/52506
11813         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
11814         to: RAMPZ, RAMPY, RAMPX, RAMPD.
11815         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
11816
11817 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
11818
11819         PR target/52505
11820         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
11821         from RAM.
11822         * config/avr/avr.md (xload_8): Adjust insn length.
11823
11824 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
11825
11826         PR target/52461
11827         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
11828         if RAMPZ affects reading from RAM.
11829
11830 2012-03-07  Richard Guenther  <rguenther@suse.de>
11831
11832         PR pch/52518
11833         PR pch/38987
11834         * doc/invoke.texi (Precompiled Headers): Remove sentence that
11835         suggests you can include PCHs from inside another header.
11836
11837 2012-03-07  Richard Sandiford  <rdsandiford@googlemail.com>
11838
11839         PR middle-end/52515
11840         * rtl.h (pc_rtx, cc0_rtx, ret_rtx, simple_return_rtx): Add GTY markers.
11841
11842 2012-03-07  Kai Tietz  <ktietz@redhat.com>
11843
11844         * doc/invoke.texi (fwritable-relocated-rdata): Document
11845         new Cygwin/MinGW target option.
11846         * config/i386/winnt.c (i386_pe_unique_section): Ignore
11847         reloc if flag -fwritable-relocated-rdata is not set.
11848         (i386_pe_section_type_flags): Likewise.
11849         * config/i386/cygming.opt (fwritable-relocated-rdata):
11850         Add new flag variable flag_writable_rel_rdata.
11851
11852 2012-03-07  Richard Guenther  <rguenther@suse.de>
11853
11854         * tree-ssa-math-opts.c (convert_mult_to_widen): Check actual
11855         precision against gimple constraints.
11856
11857 2012-03-06  Richard Sandiford  <rdsandiford@googlemail.com>
11858
11859         PR middle-end/52372
11860         * rtl.h (pc_rtx, ret_rtx, simple_return_rtx, cc0_rtx): Redefine as
11861         variables.
11862         (GR_PC, GR_CC0, GR_RETURN, GR_SIMPLE_RETURN): Delete.
11863         * emit-rtl.c (pc_rtx, ret_rtx, simple_return_rtx, cc0_rtx): New
11864         variables.
11865         (init_emit_regs): Move associated initialization to...
11866         (init_emit_once): ...here.
11867
11868 2012-03-06  Richard Henderson  <rth@redhat.com>
11869
11870         * config/m68k/m68k.h (ISA_HAS_TAS): New.
11871         * config/m68k/sync.md (atomic_test_and_set): Use it.
11872         (atomic_test_and_set_1): Likewise.
11873
11874 2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
11875
11876         PR target/50310
11877         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
11878         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
11879         (vector_ltgt<mode>): Likewise.
11880         (vector_ordered<mode>): Likewise.
11881         (vector_unordered<mode>): Likewise.
11882         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
11883
11884 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
11885
11886         * trans-mem.c: New typedef for tm_region_p.
11887         Define vector types for tm_region_p.
11888         (tm_region_init): Replace region_worklist to a vector called
11889         bb_regions.
11890
11891 2012-03-06  Richard Guenther  <rguenther@suse.de>
11892
11893         * fold-const.c (build_fold_addr_expr_with_type_loc): Fold
11894         MEM_REF with constant pointer operand.
11895
11896 2012-03-06  Richard Guenther  <rguenther@suse.de>
11897
11898         PR middle-end/52493
11899         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
11900
11901 2012-03-06  Tristan Gingold  <gingold@adacore.com>
11902
11903         * config/vms/vms-c.c (vms_pragma_nomember_alignment): Handle octaword.
11904         (external_model_kind): Improve documentation.
11905         (vms_pragma_extern_model): Handle relaxed_redef.
11906         (vms_c_register_pragma): Allow expansion for nomember_alignment.
11907
11908 2012-03-06  Georg-Johann Lay  <avr@gjlay.de>
11909
11910         * doc/invoke.texi (AVR Options): -mmcu=: Document the XMEGA cores.
11911         Explain RAMPD, RAMPX, RAMPDY, RAMPZ usage by avr-gcc.
11912         Some more notes on EIND usage and reorder EIND subsection.
11913
11914 2012-03-06  Tristan Gingold  <gingold@adacore.com>
11915
11916         * config/vms/vms.c (VMS_CRTL_LDBL): Rename from VMS_CRTL_PRNTF.
11917         * config/vms/vms-crtlmap.map: Rename PRNTF to LDBL.
11918
11919 2012-03-06  Tristan Gingold  <gingold@adacore.com>
11920
11921         * config/vms/t-vmsnative (version): Define.
11922         * config/vms/t-vms (STMP_FIXPROTO, STMP_FIXINC, version): Remove.
11923
11924 2012-03-06  Andrey Belevantsev  <abel@ispras.ru>
11925
11926         PR rtl-optimization/52250
11927         * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
11928         to put note list into.  Unconditionally call move_bb_info.
11929         (move_bb_info): Do not assert the blocks being in the same region,
11930         just drop the note list if they are not.
11931
11932 2012-03-06  Oleg Endo  <olegendo@gcc.gnu.org>
11933
11934         PR target/51244
11935         * config/sh/sh.c (sh_expand_t_scc): Remove SH2A special case
11936         and use unified expansion logic.
11937         * config/sh/sh.md (xorsi3_movrt): Rename to movrt.  Move
11938         closer to the existing movt insn.
11939         (negc): Rename insn to *negc.  Add new expander.
11940         (movnegt): Use xor pattern for T bit negation.  Reserve helper
11941         constant for negc pattern.
11942         (*movnegt): New insn and splitter.
11943
11944 2012-03-05  Bernd Schmidt  <bernds@codesourcery.com>
11945
11946         * c-typeck.c (pointer_diff): Check for POINTER_PLUS_EXPR, not
11947         PLUS_EXPR.
11948
11949 2012-03-05  Richard Henderson  <rth@redhat.com>
11950
11951         * genemit.c (main): Include "target.h" in insn-emit.c.
11952         * Makefile.in (insn-emit.o): Depend on TARGET_H.
11953         * config/sh/sync.md (atomic_test_and_set): Reference
11954         targetm.atomic_test_and_set_trueval instead of
11955         TARGET_ATOMIC_TEST_AND_SET_TRUEVAL.
11956
11957 2012-03-05  Joern Rennecke  <joern.rennecke@embecosm.com>
11958
11959         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
11960         Make static.
11961
11962 2012-03-05  Steven Bosscher  <steven@gcc.gnu.org>
11963
11964         * langhooks.c (add_builtin_type): New function.
11965         * langhooks.h (add_builtin_type): Export it.
11966         * config/mep/mep.c (mep_init_builtins): Use it.
11967         * config/rs6000/rs6000.c (rs6000_init_builtins): Use it.
11968
11969 2012-03-05  Jakub Jelinek  <jakub@redhat.com>
11970
11971         PR debug/51902
11972         * tree.h (BLOCK_SAME_RANGE): Define.
11973         * function.c (block_fragments_nreverse): Clear BLOCK_SAME_RANGE
11974         if BLOCK_FRAGMENT_CHAIN is non-NULL, but has it cleared.
11975         Also clear BLOCK_SAME_RANGE if fragment chain's supercontext fragment
11976         isn't equal to supercontext fragment's fragment chain.
11977         Adjust BLOCK_SUPERCONTEXT to point to supercontext fragment's
11978         fragment origin.
11979         (blocks_nreverse_all): Likewise.
11980         (reorder_blocks_1): Compute BLOCK_SAME_RANGE bits.  Set
11981         BLOCK_SUPERCONTEXT to supercontext fragment instead of
11982         supercontext fragment's fragment origin.
11983         * dwarf2out.c (add_high_low_attributes): If stmt has the same
11984         range as its parent (or parents thereof etc.), use the parent's
11985         DW_AT_ranges value instead of creating a new .debug_ranges range.
11986
11987 2012-03-05  Richard Henderson  <rth@redhat.com>
11988
11989         PR tree-opt/52242
11990         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
11991         * omp-low.c (expand_omp_atomic): Assume anything aligned to
11992         BIGGEST_ALIGNMENT is aligned.
11993
11994 2012-03-05  Richard Henderson  <rth@redhat.com>
11995
11996         * config/sh/sh.h (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Move...
11997         * config/sh/sh.c: ... here.
11998
11999 2012-03-05  Richard Henderson  <rth@redhat.com>
12000
12001         PR target/52481
12002         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
12003         instead of calling negqi2 directly.
12004
12005 2012-03-05  Aldy Hernandez  <aldyh@redhat.com>
12006
12007         PR middle-end/52463
12008         * trans-mem.c (tm_region_init): Use last_basic_block.
12009
12010 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
12011
12012         * config/sh/sh.h (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
12013         * config/sh/sync.md (atomic_test_and_set): New expander.
12014         (tasb, atomic_test_and_set_soft): New insns.
12015         * config/sh/sh.opt (menable-tas): New option.
12016         * doc/invoke.texi (SH Options): Document it.
12017
12018 2012-03-05  Richard Guenther  <rguenther@suse.de>
12019
12020         * cfgloop.c (verify_loop_structure): Verify dominators before
12021         using them.
12022         * graphite-clast-to-gimple.c (graphite_verify): Do not verify
12023         dominators from here.
12024         * graphite-scop-detection.c (create_sese_edges): Likewise.
12025         * loop-doloop.c (doloop_optimize_loops): Likewise.
12026         * loop-init.c (loop_optimizer_init): Likewise.
12027         * loop-unroll.c (unroll_and_peel_loops): Likewise.
12028         * loop-unswitch.c (unswitch_loops): Likewise.
12029         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Likewise.
12030         * tree-parloops.c (parallelize_loops): Likewise.  Verify
12031         only when checking is enabled.
12032         * tree-loop-distribution.c (tree_loop_distribution): Likewise.
12033
12034 2012-03-05  Bernd Schmidt  <bernds@codesourcery.com>
12035
12036         * genautomata.c (parse_automata_opt): New static function.
12037         (initiate_automaton_gen): Remove all option handling code.  Remove
12038         argc argument.  All callers changed.
12039         (main): Call init_rtx_reader_args_cb with the new function as argument.
12040
12041 2012-03-05  Richard Guenther  <rguenther@suse.de>
12042
12043         * cfgexpand.c (gimple_expand_cfg): Free dominator info.
12044         * tree-if-conv.c (combine_blocks): Free post-dominator info
12045         after breaking it.
12046         * tree-parloops.c (create_parallel_loop): Free and re-compute
12047         dominator info after breaking it.
12048
12049 2012-03-05  Richard Guenther  <rguenther@suse.de>
12050
12051         PR middle-end/52353
12052         * optabs.h (trapv_unoptab_p): New function.
12053         (trapv_binoptab_p): Likewise.
12054         * optabs.c (expand_binop): Use emit_libcall_block_1 with
12055         a proper equiv_may_trap argument.
12056         (expand_unop): Likewise.
12057         (emit_libcall_block_1): Take extra argument whether the
12058         instruction may trap.  Renamed from ...
12059         (emit_libcall_block): ... this.  New wrapper.
12060
12061 2012-03-05  Jakub Jelinek  <jakub@redhat.com>
12062
12063         PR tree-optimization/51721
12064         * tree-vrp.c (register_edge_assert_for_2): If comparing
12065         lhs of right shift by constant with an integer constant,
12066         add ASSERT_EXPRs for the rhs1 of the right shift.
12067
12068         * cfgrtl.c (cfg_layout_merge_blocks): Cleanup.
12069
12070 2012-03-05  Richard Guenther  <rguenther@suse.de>
12071
12072         * tree.c (integer_zerop): Handle VECTOR_CSTs.
12073         (integer_onep): Likewise.
12074         (integer_all_onesp): Likewise.
12075
12076 2012-03-05  Georg-Johann Lay  <avr@gjlay.de>
12077
12078         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
12079
12080 2012-03-04  H.J. Lu  <hongjiu.lu@intel.com>
12081
12082         * config/i386/i386.c (pro_epilogue_adjust_stack): Check Pmode
12083         instead of TARGET_64BIT.
12084
12085 2012-03-04  H.J. Lu  <hongjiu.lu@intel.com>
12086
12087         * config/i386/i386.c (ix86_expand_prologue): Check Pmode to set
12088         adjust_stack_insn.
12089
12090 2012-03-04  H.J. Lu  <hongjiu.lu@intel.com>
12091
12092         * config/i386/i386.c (ix86_print_operand_address): Only handle
12093         zero-extended DImode addresses.
12094
12095 2012-03-04  Uros Bizjak  <ubizjak@gmail.com>
12096
12097         * config/i386/i386.c (ix86_print_operand) <case '+'>: Declare
12098         taken and cputaken as bool.
12099
12100 2012-03-04  Uros Bizjak  <ubizjak@gmail.com>
12101
12102         * config/i386/constraints.md (Ya): New internal constraint.
12103         * config/i386/i386.md (zero_extendsidi2): Remove expansion.
12104         (*zero_extendsidi2_rex64): Add x,x alternative.
12105         (*zero_extendsidi2): Ditto.  Add o,0 alternative.
12106         Remove flags reg clobber.  Adjust corresponding splits.
12107         (zero_extend<mode>si2): Macroize expander from zero_extendhisi2 and
12108         zero_extendqisi2 expanders using SWI12 mode iterator.
12109         (zero_extend<mode>si2_and): Macroize insn from
12110         zero_extendhisi2_and and zero_extendqisi2_and.  Merge corresponding
12111         splitters.
12112         (*zero_extend<mode>si2):  Macroize insn from
12113         *zero_extendhisi2_movzbl and *zero_extendqisi2_movzbl.
12114         (*zero_extend*2_movzbl_and): Remove insn patterns.
12115         (zero_extendqihi2_and): Merge corresponding splitter.
12116         (*zero_extendqihi2): Rename from *zero_extendqihi2_movzbl.
12117         (*zero_extend*2_movzbl_and): Remove insn patterns.
12118         (*anddi_1): Split TYPE_IMOVX instructions.
12119         (*andsi_1): Use Ya for alternative 2.  Split TYPE_IMOVX instructions.
12120         (*andhi_1): Ditto.
12121         (and->zext splitter): Add splitter pattern.
12122         (zero extend with andsi3 splitter): Adjust zero_extend pattern.
12123
12124 2012-03-04  Sandra Loosemore  <sandra@codesourcery.com>
12125
12126         * doc/invoke.texi (C++ Dialect Options): Minor copy-edits to
12127         x86-specific text.
12128         (Debugging Options): Likewise.
12129         (Optimize Options): Likewise.
12130         (i386 and x86-64 Options): Discuss -march before -mtune, consistently
12131         with other architectures.  Use official processor names with correct
12132         spelling/capitalization.  Fix formatting and grammar issues.
12133         (i386 and x86-64 Windows Options): Similar cleanup here.
12134
12135 2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
12136
12137         * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
12138
12139 2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
12140
12141         * config/sh/sh.c (sh_dwarf_register_span): Don't apply
12142         DBX_REGISTER_NUMBER.
12143
12144 2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
12145
12146         * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
12147         operand is CONST_INT.  Take COSTS_N_INSNS into account.
12148         (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value
12149         of shiftcosts.
12150
12151 2012-03-02  Richard Henderson  <rth@redhat.com>
12152
12153         * optabs.c (expand_atomic_test_and_set): Honor
12154         atomic_test_and_set_trueval even when atomic_test_and_set
12155         optab is not in use.
12156
12157 2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
12158
12159         PR target/48596
12160         PR target/48806
12161         * config/sh/sh.c (sh_register_move_cost): Increase cost between
12162         GENERAL_REGS and FP_REGS for SImode.
12163
12164 2012-03-02  Oleg Endo  <olegendo@gcc.gnu.org>
12165
12166         PR target/49486
12167         * config/sh/sh.md (negdi2): Add TARGET_SH1 condition.
12168         (absdi2): New expander.
12169         (*absdi2, *negabsdi2, negdi_cond): New insns and splits.
12170
12171 2012-03-02  Oleg Endo  <olegendo@gcc.gnu.org>
12172
12173         * config/sh/sync.md (atomic_exchange<mode>): New expander.
12174         (atomic_exchange<mode>_soft): New insn.
12175
12176 2012-03-02  Oleg Endo  <olegendo@gcc.gnu.org>
12177
12178         * config/sh/sync.md: Update copyright notice dates.
12179         (atomic_compare_and_swap<mode>): Use SImode for return value instead
12180         of QImode.
12181         (atomic_compare_and_swap<mode>_soft): Likewise.
12182
12183 2012-03-02  Oleg Endo  <olegendo@gcc.gnu.org>
12184
12185         PR target/31640
12186         * config/sh/sh.h (LOOP_ALIGN): Move logic to sh_loop_align.
12187         * config/sh/sh.c: Update copyright notice dates.
12188         (sh_loop_align): Add logic from LOOP_ALIGN.  Don't disable loop
12189         alignment for TARGET_HARD_SH4.
12190         (sh_option_override): Reduce default function alignment.  Set
12191         loop alignment to 4 bytes when not optimizing for size.
12192
12193 2012-03-02  Maxim Kuvyrkov  <maxim@codesourcery.com>
12194
12195         PR middle-end/50335
12196         * doc/invoke.texi (floop-flatten): Remove.
12197         * toplev.c (process_options): Remove references to flag_loop_flatten.
12198         * tree-ssa-loop.c (gate_graphite_transform): Same.
12199         * common.opt (floop-flatten): Obsolete.
12200         * graphite-poly.c (apply_poly_transforms): Remove reference to
12201         flag_loop_flatten.
12202         * Makefile.in (graphite-flattening.o): Remove.
12203         * graphite-flattening.c: Remove.
12204
12205 2012-03-02  Uros Bizjak  <ubizjak@gmail.com>
12206
12207         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
12208         having mode compatible with the mode of previous compare.  Substitute
12209         compare mode of previous compare with the mode, compatible
12210         with eliminated and previous compare.
12211
12212 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
12213
12214         * config/rs6000/dfp.md (floatdidd2): New define_insn.
12215
12216 2012-03-02  Uros Bizjak  <ubizjak@gmail.com>
12217
12218         * config/i386/i386.c (ix86_cc_modes_compatible): Declare CCZmode
12219         compatible with CCGOCmode and CCGCmode.
12220
12221 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
12222
12223         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
12224
12225 2012-03-02  Ulrich Weigand  <ulrich.weigand@linaro.org>
12226
12227         * config/arm/arm.c (arm_sat_operator_match): New function.
12228         * config/arm/arm-protos.h (arm_sat_operator_match): Add prototype.
12229         * config/arm/arm.md ("insn" attribute): Add "sat" value.
12230         ("SAT", "SATrev"): New code iterators.
12231         ("SATlo", "SAThi"): New code iterator attributes.
12232         ("*satsi_<SAT:code>"): New pattern.
12233         ("*satsi_<SAT:code>_shift"): Likewise.
12234         * config/arm/arm-fixed.md ("arm_ssatsihi_shift"): Add "insn"
12235         and "shift" attributes.
12236         ("arm_usatsihi"): Add "insn" attribute.
12237         * config/arm/predicates.md (sat_shift_operator): Allow multiplication
12238         by powers of two.  Do not allow shift by 32.
12239
12240 2012-03-02  Uros Bizjak  <ubizjak@gmail.com>
12241
12242         PR target/46716
12243         * config/i386/i386.c (construct_container): Use gen_reg_or_parallel
12244         to pass the argument in the register of "natural" mode.
12245
12246 2012-03-02  Richard Guenther  <rguenther@suse.de>
12247
12248         PR tree-optimization/52406
12249         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
12250         (struct indices): Add unconstrained_base member.
12251         (struct dr_alias): Remove unused vops member.
12252         (DR_UNCONSTRAINED_BASE): New define.
12253         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
12254         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
12255         be an artificial access that covers the whole indexed object,
12256         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
12257         plain decl base-objects to their MEM_REF variant.
12258         (dr_may_alias_p): When the base-object of either data reference
12259         has unknown size use only points-to information.
12260         (compute_affine_dependence): Make dumps easier to read and
12261         more verbose.
12262         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
12263         DR_REF when looking for packed references.
12264         (vect_supportable_dr_alignment): Likewise.
12265
12266 2012-03-02  Greta Yorsh  <Greta.Yorsh@arm.com>
12267
12268         * config/arm/arm-ldmstm.ml (write_ldm_commutative_peephole):
12269         Improve conditions for peepholes of loads followed by commutative
12270         operators.
12271         * config/arm/ldmstm.md: Regenerated.
12272
12273 2012-03-02  Richard Guenther  <rguenther@suse.de>
12274
12275         * BASE-VER: Set to 4.8.0.
12276
12277 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
12278
12279         * config.gcc (obsolete): Add all ARM targets using the FPA.
12280         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
12281         * doc/install.texi: Avoid references to obsolete ARM ports.
12282
12283 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
12284
12285         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
12286
12287 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
12288             Joern Rennecke  <joern.rennecke@embecosm.com>
12289
12290         * doc/extend.texi: Expand and update information on interrupt
12291         attribute for Epiphany.
12292
12293 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
12294
12295         * config/sh/sh-protos.h: Update copyright notice dates.
12296         * config/sh/sh.h: Likewise.
12297         * config/sh/sh.md: Likewise.
12298         * config/sh/constraints.md: Likewise.
12299         * config/sh/predicates.md: Likewise.
12300
12301 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
12302
12303         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
12304         * config/sh/sh.c (tertiary_reload_operand): Likewise.
12305
12306 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
12307
12308         * config/sh/constraints.md: Fix comment typo.
12309
12310 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12311
12312         PR target/52408
12313         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
12314         unsigned HOST_WIDE_INT.
12315         (zvdep_imm64): Likewise.
12316         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
12317         (vdepi_and): Likewise.
12318         Likewise for unamed 64-bit patterns.
12319         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
12320
12321 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
12322
12323         PR debug/52001
12324         PR rtl-optimization/52417
12325         * cselib.c (cselib_any_perm_equivs): New variable.
12326         (cselib_reset_table): Check that it's not set when not
12327         preserving constants.
12328         (cselib_add_permanent_equiv): Set it.
12329         (cselib_have_permanent_equivalences): New.
12330         (cselib_init, cselib_finish): Reset it.
12331         * cselib.h (cselib_have_permanent_equivalences): Declare.
12332         * alias.c (get_addr): Restore earlier behavior when there
12333         aren't permanent equivalences.
12334
12335 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
12336
12337         * config/mn10300/mn10300-modes.def: Fix copyright notice.
12338         * config/v850/v850-modes.def: Fix copyright notice.
12339
12340 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
12341
12342         * doc/extend.texi (AVR Built-in Functions): Document
12343         __builtin_avr_flash_segment.
12344
12345         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
12346         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
12347         (*split.flash_segment): New insn-and-split.
12348         * config/avr/avr.c (avr_init_builtins): Add local variables:
12349         const_memx_void_node, const_memx_ptr_type_node,
12350         char_ftype_const_memx_ptr.
12351
12352 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
12353
12354         PR tree-optimization/52445
12355         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
12356         add ssa_name_ver, offset and size fields and change store field
12357         to bool.
12358         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
12359         (add_or_mark_expr): Likewise.  Only consider previous stores
12360         with the same size and offset.
12361         (nt_init_block): Only look at gimple_assign_single_p stmts,
12362         doesn't look at rhs2.
12363
12364 2012-03-01  Richard Guenther  <rguenther@suse.de>
12365
12366         PR middle-end/52443
12367         * tree-cfg.c (verify_gimple_assign_unary): Allow any
12368         conversions from integral types to pointer types.
12369
12370 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
12371
12372         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
12373         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
12374         unintentionally removed in r184616.
12375
12376 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
12377
12378         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
12379         3DNow from bdver1.
12380
12381 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
12382             Uros Bizjak  <ubizjak@gmail.com>
12383
12384         PR target/52437
12385         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
12386         alternatives, add "e" constraint to the new last alternative
12387         and ! to last 3 alternatives.
12388
12389 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
12390
12391         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
12392         DW_AT_artificial attributes at the end of the processing.
12393         (gen_array_type_die): Likewise.
12394         (gen_enumeration_type_die): Likewise.
12395         (gen_struct_or_union_type_die): Likewise.
12396         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
12397         the parent type.
12398
12399 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
12400
12401         PR middle-end/52419
12402         * expr.c (expand_assignment): If doing misaligned store that doesn't
12403         cover all mode bits, perform a RMW cycle.
12404
12405         PR tree-optimization/52429
12406         * tree-parloops.c (separate_decls_in_region_debug): Return early
12407         if var is LABEL_DECL.
12408
12409 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
12410
12411         PR tree-optimization/52424
12412         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
12413         calling dom_thread_across_edge.
12414
12415 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
12416
12417         * config/avr/avr.c: Move definition of TARGET macros to end of file.
12418
12419 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
12420
12421         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
12422         * config/avr/avr.c (avr_output_bld): Remove unused function.
12423         (avr_out_sbxx_branch): Use "%T" to print bit position.
12424
12425 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
12426
12427         * config/avr/avr.md: Untabify.
12428
12429 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
12430
12431         * config/avr/avr.md (eqne): New code iterator.
12432         (*dec-and-branchsi): Use it in text peephole's condition.
12433         (*dec-and-branchhi): Ditto.
12434         (*dec-and-branchqi): Ditto.
12435
12436 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
12437
12438         PR target/49939
12439         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
12440         the device does not have the skip-bug.
12441
12442 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
12443
12444         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
12445         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
12446         -mpretend-cmove): New.
12447
12448 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
12449
12450         PR bootstrap/52397
12451         * df.h (struct df_d): Adjust comment that hard_regs_live_count
12452         doesn't count DEBUG_INSN refs.
12453         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
12454         for DEBUG_INSN refs.
12455
12456 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
12457
12458         Partially revert:
12459
12460         2012-02-20  Richard Guenther  <rguenther@suse.de>
12461         PR tree-optimization/52298
12462         * tree-vect-stmts.c (vectorizable_load): Properly use
12463         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing outer loops.
12464
12465 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
12466
12467         PR middle-end/51752
12468         * gimple.h (gimple_in_transaction): New.
12469         (gimple_set_in_transaction): New.
12470         (struct gimple_statement_base): Add in_transaction field.
12471         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
12472         transaction loads.
12473         (tree_ssa_lim_initialize): Compute transaction bits.
12474         * tree.h (compute_transaction_bits): Protoize.
12475         * trans-mem.c (tm_region_init): Use the heap to store BB
12476         auxilliary data.
12477         (compute_transaction_bits): New.
12478
12479 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
12480
12481         * gcc.c (display_help): Document --help=common and sort entries
12482         alphabetically.
12483
12484 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
12485
12486         * doc/install.texi: Document check-$LANG specific shortcuts
12487
12488 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
12489
12490         PR target/51534
12491         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
12492         and vcgtu.
12493         * config/arm/arm_neon.h: Regenerate.
12494         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
12495         (neon_vcgeu): New insn.
12496         (neon_vcgtu): Likewise.
12497         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
12498         (ops): Unsigned comparison intrinsics call a different builtin.
12499
12500 2012-02-28  Richard Guenther  <rguenther@suse.de>
12501
12502         PR target/52407
12503         * config/i386/i386.c (ix86_expand_vector_set): Fix element
12504         ordering for the VEC_CONCAT for two element vectors for
12505         V2SFmode, V2SImode and V2DImode.
12506
12507 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
12508
12509         PR target/49448
12510         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
12511         detecting big-endian triplets.
12512
12513 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
12514
12515         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
12516         mode if there is no type information available.
12517
12518 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
12519
12520         PR tree-optimization/53207
12521         * doc/invoke.texi: Document as experimental and relying on graphite.
12522
12523 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
12524
12525         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
12526         of initializer to changes from r184614.
12527
12528 2012-02-28  Richard Guenther  <rguenther@suse.de>
12529
12530         PR tree-optimization/52395
12531         * tree-sra.c (build_ref_for_offset): Also look at the base
12532         TYPE_ALIGN when figuring out the alignment of the replacement.
12533
12534 2012-02-28  Richard Guenther  <rguenther@suse.de>
12535
12536         PR tree-optimization/52402
12537         * ipa-prop.c (ipa_modify_call_arguments): Properly use
12538         mis-aligned types when creating the accesses at the call site.
12539
12540 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
12541
12542         * config/avr/builtins.def: New file.
12543         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
12544         * config/avr/avr.c (enum avr_builtin_id): Use it.
12545         (avr_init_builtins): Use it. And use avr_bdesc.
12546         (bdesc_1arg): Remove.
12547         (bdesc_2arg): Remove.
12548         (bdesc_3arg): Remove.
12549         (struct avr_builtin_description): Add field n_args.
12550         (avr_bdesc): New static variable using builtins.def.
12551         (avr_expand_builtin): Use it.
12552         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
12553         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
12554         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
12555
12556 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
12557
12558         PR target/52148
12559         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
12560         match only one single hard register with respective hard reg rtx.
12561         (movmemx_<mode>): Ditto.
12562         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
12563         insn anatomy of movmem[x]_<mode>.
12564         (avr_out_movmem): Same for printing assembler and operand usage.
12565
12566 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
12567
12568         PR target/49868
12569         PR target/52261
12570         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
12571         address spaces located outside of device flash.
12572
12573         * config/avr/avr.h (base_arch_s): Remove field n_segments.
12574         (mcu_type_s): Add field n_flash.
12575         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
12576         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
12577         (AVR_MCU): Add N_FLASH argument.
12578         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
12579         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
12580         macro __FLASH<n> if that address space makes sense for the device.
12581         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
12582         outside of target flash.
12583         (avr_asm_named_section): Ditto.
12584         (avr_asm_select_section): Ditto.
12585         (avr_addr_space_convert): Ditto.
12586         (avr_emit_movmemhi): Ditto.
12587         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
12588         address space is outside of device flash.
12589         (avr_insert_attributes): Ditto.
12590         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
12591         avr_current_arch->n_segments.
12592
12593 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
12594
12595         PR target/52352
12596         * config/i386/i386.md (*movabs<mode>_1): Enable only for TARGET_LP64.
12597         (*movabs<mode>_2): Likewise.
12598
12599 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
12600
12601         PR target/52375
12602         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
12603         s_register_operand in the test instead of REG_P.  Don't call
12604         gen_reg_rtx if it won't be used.
12605
12606         PR tree-optimization/52376
12607         * ipa-split.c (split_function): Ignore CLOBBER stmts.
12608
12609 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
12610
12611         * ifcvt.c (noce_get_condition): Check condition variable is not
12612         small_register_classes_for_mode_p before accepting.
12613
12614 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
12615
12616         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
12617
12618 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
12619
12620         Revert:
12621         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
12622         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
12623         tuning parameters.
12624         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
12625
12626 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
12627
12628         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
12629
12630 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
12631
12632         * config/sh/predicates.md: Remove blank lines.
12633         * config/sh/sh.c: Fix typos in comments.
12634         * config/sh/constraints.md: Likewise.
12635         * config/sh/sh.md: Remove blank lines.
12636         Fix typos in comments.  Use ;; as comment characters.
12637
12638 2012-02-26  Walter Lee  <walt@tilera.com>
12639
12640         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
12641         (replace_mov_pcrel_step2): Ditto.
12642
12643 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
12644
12645         PR debug/52001
12646         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
12647         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
12648         and locs that reference values newer than the non-canonical value
12649         at hand.  Return the canonical value as a worst case.
12650         (memrefs_conflict_p): Walk canonical value's locs.
12651
12652         PR debug/52001
12653         * cselib.c (preserve_only_constants): Rename to...
12654         (preserve_constants_and_equivs): ... this.  Split out...
12655         (invariant_or_equiv_p): ... this.  Preserve plus expressions
12656         of other preserved expressions too.
12657         (cselib_reset_table): Adjust.
12658         * var-tracking.c (reverse_op): Use canonical value to build
12659         reverse operation.
12660
12661 2012-02-23  Kai Tietz  <ktietz@redhat.com>
12662
12663         * config/i386/i386.c (ix86_delegitimize_address): Handle
12664         UNSPEC_PCREL plus displacement.
12665
12666 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
12667
12668         PR target/52261
12669         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
12670         to test for unusedness in st X addressing.
12671
12672 2012-02-24  Richard Guenther  <rguenther@suse.de>
12673
12674         PR middle-end/52361
12675         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
12676         (is_gimple_reg_type): Move inline ...
12677         * gimple.h (is_gimple_reg_type): ... here.
12678
12679 2012-02-24  Richard Guenther  <rguenther@suse.de>
12680
12681         PR middle-end/52361
12682         * passes.c (execute_function_todo): When verifying SSA form
12683         verify gimple form first.
12684         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
12685
12686 2012-02-24  Richard Guenther  <rguenther@suse.de>
12687
12688         PR middle-end/52355
12689         * fold-const.c (fold_addr_of_array_ref_difference): New function.
12690         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
12691
12692 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
12693
12694         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
12695
12696 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
12697
12698         * tree-phinodes.c (make_phi_node): Mark static.
12699         * tree-flow.h (make_phi_node): Remove extern decl.
12700         * doc/gimple.texi (make_phi_node): Remove documentation.
12701
12702 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
12703
12704         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
12705         * tree-ssa-sccvn.c (print_scc): Ditto.
12706
12707 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
12708
12709         * doc/passes.texi (Full redundancy elimination): Fix typo.
12710
12711 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
12712
12713         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
12714
12715 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
12716
12717         PR bootstrap/52287
12718         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
12719
12720 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
12721
12722         PR c/52290
12723         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
12724
12725 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
12726
12727         * config/avr/avr.md (code_stdname): Add ior, xor.
12728         (xior): New code iterator.
12729         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
12730         (*<code_stdname><mode>qi.byte1-3): Ditto.
12731
12732 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
12733
12734         PR tree-optimization/52019
12735         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
12736         CLOBBER stmts.
12737
12738 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
12739
12740         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
12741         HAVE_INITFINI_ARRAY to work around namespace pollution in
12742         certain versions of newlib system headers.
12743         * config.in: Regenerate.
12744         * configure: Regenerate.
12745         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
12746         instead of HAVE_INITFINI_ARRAY.
12747
12748 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
12749
12750         PR target/52330
12751         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
12752         is not offsettable memory reference.
12753
12754 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
12755
12756         PR target/18145
12757         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
12758         setting avr_need_clear_bss_p for __gnu_lto* symbols.
12759
12760 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
12761
12762         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
12763         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
12764
12765 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
12766
12767         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
12768         library on Solaris 8 even without TLS support.
12769         * configure: Regenerate.
12770
12771 2012-02-22  Richard Guenther  <rguenther@suse.de>
12772
12773         PR middle-end/52329
12774         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
12775         for GIMPLE_DEBUG stmts.
12776
12777 2012-02-22  Martin Jambor  <mjambor@suse.cz>
12778
12779         PR middle-end/51782
12780         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
12781         according to the base object.
12782
12783 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
12784
12785         PR rtl-optimization/50063
12786         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
12787         and 2 (8-bit SP) in operand 2.
12788         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
12789         setup to use movhi_sp_r instead of vanilla move to write SP.
12790         Adjust REG_CFA notes to superseed unspec.
12791         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
12792         of vanilla move.
12793         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
12794         known to be off) only with TARGET_NO_INTERRUPTS. Never use
12795         irq_state 1 (IRQ known to be on) here.
12796
12797 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
12798
12799         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
12800         WORDS_BIG_ENDIAN.
12801         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
12802         assign_hard_reg): Likewise.
12803
12804 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
12805
12806         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
12807
12808 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
12809
12810         * config/avr/avr.md
12811         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
12812         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
12813
12814 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
12815
12816         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
12817         prototype from here to...
12818         * config/avr/avr.h: ...here.
12819
12820 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
12821
12822         PR target/52294
12823         * thumb2.md (thumb2_shiftsi3_short): Split register and
12824         immediate shifts.  For register shifts tie operands 0 and 1.
12825         (peephole2 for above): Check that register-controlled shifts
12826         have suitably tied operands.
12827
12828 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
12829
12830         PR target/52137
12831         * config/i386/bdver1.md (bdver1_call, bdver1_push,
12832         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
12833         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
12834         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
12835         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
12836         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
12837         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
12838         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
12839         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
12840         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
12841         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
12842         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
12843         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
12844         bdver1_ssevector_avx256_unaligned_load,
12845         bdver1_ssevector_sse128_unaligned_load,
12846         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
12847         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
12848         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
12849         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
12850         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
12851         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
12852         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
12853         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
12854         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
12855         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
12856         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
12857         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
12858         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
12859         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
12860         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
12861         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
12862         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
12863         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
12864         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
12865         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
12866         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
12867         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
12868         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
12869         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
12870         bdver1_ssediv_double_load, bdver1_ssediv_double,
12871         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
12872         Add "bdver2" attribute.
12873
12874 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
12875
12876         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
12877         default if possible and not specified otherwise.
12878
12879 2012-02-21  Richard Guenther  <rguenther@suse.de>
12880
12881         PR middle-end/52314
12882         * gimplify.c (create_tmp_from_val): Use the main variant type
12883         for the type of the temporary we create.
12884
12885 2012-02-21  Richard Guenther  <rguenther@suse.de>
12886
12887         PR tree-optimization/52324
12888         * gimplify.c (gimplify_expr): When re-gimplifying expressions
12889         do not gimplify a MEM_REF address operand if it is already
12890         in suitable form.
12891
12892 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
12893
12894         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
12895         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
12896
12897 2012-02-21  Richard Guenther  <rguenther@suse.de>
12898
12899         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
12900         nested_in_vect_loop.
12901
12902 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
12903
12904         PR tree-optimization/52318
12905         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
12906         vdef also to non-pure/const call stmts in the sequence.
12907
12908 2012-02-21  Tristan Gingold  <gingold@adacore.com>
12909
12910         * config/vms/vms-ld.c (main): Fix IDENTIFICATION padding.
12911
12912 2012-02-20  David S. Miller  <davem@davemloft.net>
12913
12914         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
12915         don't use the "rd %pc" instruction on v9 for PIC register loads.
12916
12917 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
12918
12919         PR middle-end/52141
12920         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
12921         in a transaction safe function.
12922
12923 2012-02-20  Kai Tietz  <ktietz@redhat.com>
12924
12925         PR target/52238
12926         * stor-layout.c (place_field): Handle desired_align for
12927         ms-bitfields, too.
12928
12929 2012-02-20  Richard Guenther  <rguenther@suse.de>
12930
12931         PR tree-optimization/52298
12932         * tree-vect-stmts.c (vectorizable_store): Properly use
12933         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
12934         outer loops.
12935         (vectorizable_load): Likewise.
12936         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
12937         Access DR_STEP after ensuring it is not NULL.
12938
12939 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
12940
12941         PR tree-optimization/52286
12942         * fold-const.c (fold_binary_loc): For (X & C1) | C2
12943         optimization use double_int_to_tree instead of build_int_cst_wide,
12944         rewrite to use double_int vars.
12945
12946 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
12947
12948         PR target/50166
12949         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
12950         Define _start.
12951         Remove -e 0 from $gcc_cv_ld invocation.
12952         Only use __GLIBC_PREREQ if defined.
12953         Enable on Solaris since Solaris 8 patch.
12954         (gcc_SUN_LD_VERSION): New macro.
12955         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
12956         gcc_SUN_LD_VERSION for version number format.
12957         * configure: Regenerate.
12958         * varasm.c (get_elf_initfini_array_priority_section): Set
12959         SECTION_NOTYPE for non-default priority.
12960         Use get_section instead of get_unnamed_section to emit
12961         .init_array/.fini_array with default priority.
12962
12963 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
12964
12965         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
12966         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
12967         (mips_start_unique_function, mips_output_mips16_rdhwr)
12968         (mips_code_end): New functions.
12969         (TARGET_ASM_CODE_END): Define.
12970
12971 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
12972
12973         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
12974         to stubs with non-sibling calls.
12975
12976 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
12977
12978         * doc/invoke.texi (-fira-* options): Copy-edit.
12979         (ira-* parameters): Copy-edit.
12980
12981 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
12982
12983         * doc/invoke.texi: Minor copy-edits to bring into conformance with
12984         GCC coding conventions.
12985
12986 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
12987
12988         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
12989         when used as adjectives.
12990
12991 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
12992
12993         * doc/invoke.texi: Clean up "that"/"which" confusion.
12994
12995 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
12996
12997         * system.h: Poison SMALL_REGISTER_CLASSES
12998         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
12999         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
13000
13001 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
13002
13003         PR tree-optimization/52285
13004         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
13005         when deciding if a call is a tail call or tail recursion.
13006
13007 2012-02-16  Kai Tietz  <ktietz@redhat.com>
13008
13009         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
13010         interger-constant displacement for UNSPEC_PCREL.
13011
13012 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
13013
13014         PR rtl-optimization/52208
13015         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
13016         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
13017
13018         PR tree-optimization/52255
13019         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
13020         loop->header has virtual PHI, but exit_e->dest doesn't, add
13021         virtual PHI to exit_e->dest and adjust all uses after the loop.
13022
13023         PR debug/52260
13024         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
13025         children with clone_tree_hash, not after it.
13026
13027 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
13028
13029         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
13030         extended identifiers.
13031
13032 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
13033
13034         PR middle-end/51929
13035         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
13036         a same_body_alias, also test whether e->callee isn't a former
13037         or current clone of the decl this is a same body alias of.
13038
13039         PR translation/52264
13040         * cgraphunit.c (verify_cgraph_node): Fix a typo.
13041
13042 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
13043
13044         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
13045
13046 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
13047
13048         PR target/52199
13049         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
13050         force_reg instead of copy_to_reg for better optimization.  Force
13051         non-register or memory operands into a register.
13052
13053 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
13054
13055         * extend.texi: Reserve upper bits of memory model for future use.
13056
13057 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
13058             Anatoly Sokolov <aesok@post.ru>
13059             Eric Weddington <eric.weddington@atmel.com>
13060
13061         PR target/52261
13062         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
13063         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
13064         Rewrite initializers for .macro.
13065         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
13066         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
13067         atxmega32d4, atxmega32x1.
13068         avrxmega4: atxmega64a3, atxmega64d3.
13069         avrxmega5: atxmega64a1, atxmega64a1u.
13070         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
13071         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
13072         avrxmega7: atxmega128a1, atxmega128a1u.
13073         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
13074         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
13075         (struct base_arch_s): Rename reserved to xmega_p.
13076         Rename reserved2 to have_rampd.
13077         (AVR_XMEGA): New define.
13078         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
13079         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
13080         * config/avr/predicates.md (io_address_operand): Take into
13081         account SFR offset.
13082         (low_io_address_operand): Ditto.
13083         (high_io_address_operand): Ditto.
13084         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
13085         (enabled, movhi_sp_r): Use them.
13086         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
13087         cpp_define_formatted to built-in define __AVR_ARCH__.
13088         (__AVR_XMEGA__): New built-in define.
13089         (__AVR_HAVE_RAMPD__): New built-in define.
13090         (__AVR_HAVE_RAMPX__): New built-in define.
13091         (__AVR_HAVE_RAMPY__): New built-in define.
13092         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
13093
13094         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
13095         (avr_option_override): Initialize them.
13096         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
13097         (avr_init_expanders): Initialize them. No more block several calls.
13098         (emit_push_sfr): New static function.
13099         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
13100         Handle AVR_XMEGA.
13101         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
13102         (avr_print_operand): Print addreeses as symbols for
13103         RAMPX, RAMPY, RAMPD, CCP.
13104         (output_movhi): Handle AVR_XMEGA when writing to SP.
13105         (avr_out_movhi_mr_r_xmega): New static function.
13106         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
13107         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
13108         __RAMPD__,  __CCP__ as needed.
13109
13110         * config/avr/multilib.h: Regenerate.
13111         * config/avr/t-multilib: Regenerate.
13112         * config/avr/avr-tables.opt: Regenerate.
13113
13114 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
13115
13116         PR tree-optimization/50561
13117         * graphite-flattening.c (lst_project_loop): Do not
13118         remove old scattering dimensions after flattening.
13119         (lst_do_flatten): Likewise.
13120
13121 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
13122
13123         * doc/extend.texi (AVR Built-in Functions): Remove doc for
13124         __builtin_avr_map8, __builtin_avr_map16.
13125         Document __builtin_avr_insert_bits.
13126
13127         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
13128         (insert_bits): New insn.
13129         (adjust_len.map_bits): Rename to insert_bits.
13130         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
13131         * avr-protos.h (avr_out_map_bits): Remove.
13132         (avr_out_insert_bits, avr_has_nibble_0xf): New.
13133         * config/avr/constraints.md (Cxf,C0f): New.
13134         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
13135         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
13136         New built-in define __BUILTIN_AVR_INSERT_BITS.
13137         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
13138         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
13139         (avr_move_bits): Rewrite.
13140         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
13141         functions.
13142         (avr_map_op_t): New typedef.
13143         (avr_map_op): New static variable.
13144         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
13145         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
13146         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
13147         (bdesc_3arg, avr_expand_triop_builtin): New.
13148         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
13149         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
13150         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
13151         (avr_map_equal_p, avr_map_sig_p): Remove.
13152         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
13153         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
13154         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
13155         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
13156         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
13157         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
13158
13159 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
13160
13161         * config/c6x/c6x.md (reserve_cycles): New attribute.
13162         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
13163         don't reserve functional units after the branch occurs.
13164
13165 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
13166
13167         PR middle-end/52142
13168         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
13169         functions into non-tm_pure functions.
13170
13171 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
13172
13173         PR lto/52178
13174         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
13175         (iterative_hash_canonical_type): Likewise.
13176         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
13177         the dead edges.
13178
13179 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
13180
13181         * haifa-sched.c (prune_ready_list): Ensure that if there is a
13182         sched-group insn, it either remains alone or the entire list is pruned.
13183
13184 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
13185
13186         * doc/install.texi (Prerequisites): Fix grammar.
13187         (Configuration): Likewise.
13188
13189 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
13190
13191         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
13192         MPC as part of GCC before describing configuring with --with-gmp etc.
13193         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
13194         sources are present.
13195
13196 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
13197
13198         PR debug/51950
13199         * dwarf2out.c (clone_tree_hash): New function.
13200         (copy_decls_walk): Use it instead of clone_tree.
13201
13202 2012-02-14  Richard Guenther  <rguenther@suse.de>
13203
13204         PR tree-optimization/52244
13205         PR tree-optimization/51528
13206         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
13207         replacements for integral types.
13208
13209 2012-02-14  Walter Lee  <walt@tilera.com>
13210
13211         * config.gcc: Handle tilegx and tilepro.
13212         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
13213         tilegx and tilepro.
13214         Add HAVE_AS_TLS check for tilegx and tilepro.
13215         * configure: Regenerate.
13216         * doc/contrib.texi: Add Mat Hostetter and self.
13217         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
13218         Document instruction intrinsics and network accessing intrinsics.
13219         (TILEPro Built-in Functions): New node.  Document instruction
13220         intrinsics and network accessing intrinsics.
13221         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
13222         (Specific, tilepro-*-linux*): Likewise.
13223         * doc/invoke.texi (TILE-Gx Options): New section.
13224         (TILEPro Options): New section.
13225         * doc/md.texi (TILE-Gx): New section.
13226         (TILEPro): New section.
13227         * common/config/tilegx/tilegx-common.c: New file.
13228         * common/config/tilepro/tilepro-common.c: New file.
13229         * config/tilegx/constraints.md: New file.
13230         * config/tilegx/linux.h: New file.
13231         * config/tilegx/mul-tables.c: New file.
13232         * config/tilegx/predicates.md: New file.
13233         * config/tilegx/sync.md: New file.
13234         * config/tilegx/t-tilegx: New file.
13235         * config/tilegx/tilegx-builtins.h: New file.
13236         * config/tilegx/tilegx-c.c: New file.
13237         * config/tilegx/tilegx-generic.md: New file.
13238         * config/tilegx/tilegx-modes.def: New file.
13239         * config/tilegx/tilegx-multiply.h: New file.
13240         * config/tilegx/tilegx-protos.h: New file.
13241         * config/tilegx/tilegx.c: New file.
13242         * config/tilegx/tilegx.h: New file.
13243         * config/tilegx/tilegx.md: New file.
13244         * config/tilegx/tilegx.opt: New file.
13245         * config/tilepro/constraints.md: New file.
13246         * config/tilepro/gen-mul-tables.cc: New file.
13247         * config/tilepro/linux.h: New file.
13248         * config/tilepro/mul-tables.c: New file.
13249         * config/tilepro/predicates.md: New file.
13250         * config/tilepro/t-tilepro: New file.
13251         * config/tilepro/tilepro-builtins.h: New file.
13252         * config/tilepro/tilepro-c.c: New file.
13253         * config/tilepro/tilepro-generic.md: New file.
13254         * config/tilepro/tilepro-modes.def: New file.
13255         * config/tilepro/tilepro-multiply.h: New file.
13256         * config/tilepro/tilepro-protos.h: New file.
13257         * config/tilepro/tilepro.c: New file.
13258         * config/tilepro/tilepro.h: New file.
13259         * config/tilepro/tilepro.md: New file.
13260         * config/tilepro/tilepro.opt: New file.
13261
13262 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
13263
13264         PR tree-optimization/52210
13265         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
13266         vect_model_simple_cost with two entry vect_def_type array instead
13267         of an address of dt.
13268
13269 2012-02-14  Richard Guenther  <rguenther@suse.de>
13270
13271         PR lto/52178
13272         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
13273         Do not stream DECL_QUALIFIER.
13274         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
13275         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
13276         (find_decls_types_r): Do not walk DECL_QUALIFIER.
13277
13278 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
13279
13280         PR c/52181
13281         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
13282         newdecl.
13283
13284 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
13285
13286         PR bootstrap/52172
13287         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
13288         * cselib.c (cselib_subst_to_values_from_insn): New function.
13289         * sched-deps.c (add_insn_mem_dependence,
13290         sched_analyze_1, sched_analyze_2): Use it.
13291
13292 2012-02-13  Jan Hubicka  <jh@suse.cz>
13293
13294         PR middle-end/52214
13295         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
13296
13297 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
13298
13299         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
13300         (GTM_SELF_SPECS): Define if not already defined.
13301         (driver_self_specs): Add GTM_SELF_SPECS.
13302         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
13303         (GTM_SELF_SPECS): Define.
13304         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
13305         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
13306
13307 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
13308
13309         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
13310         away if seen.
13311
13312         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
13313
13314         PR middle-end/52230
13315         * omp-low.c (expand_omp_for): If a static schedule without chunk size
13316         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
13317
13318 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
13319
13320         PR c/52190
13321         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
13322
13323 2012-02-13  Richard Guenther  <rguenther@suse.de>
13324
13325         PR translation/52211
13326         * passes.c (enable_disable_pass): Fix typo.
13327
13328 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
13329
13330         PR middle-end/52209
13331         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
13332         XOR for reduce_bit_field if type is unsigned.
13333
13334 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
13335
13336         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
13337         disallow changes from SFmode to mode with different size in FP regs.
13338
13339 2012-02-12  Robert Millan  <rmh@gnu.org>
13340             Gerald Pfeifer <gerald@pfeifer.com>
13341
13342         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
13343         Tweak comment.
13344
13345 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
13346
13347         PR rtl-optimization/52175
13348         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
13349         to frame-related instructions.
13350
13351 2012-02-10  Jason Merrill  <jason@redhat.com>
13352
13353         PR c++/51910
13354         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
13355         (demangle_new_symbols): Fill it.
13356         (scan_linker_output): Walk it.
13357         (start_tweaking): Split out from scan_linker_output.
13358         (maybe_tweak): Update sym->chosen.
13359         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
13360
13361 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
13362
13363         PR debug/52132
13364         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
13365
13366 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
13367
13368         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
13369         having the same mode as previous compare.
13370
13371 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
13372
13373         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
13374         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
13375         (nonlocal_goto_internal): Likewise.
13376         (nonlocal_goto): Emit a use and an indirect jump directly.
13377
13378 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
13379
13380         PR c/52190
13381         * doc/extend.texi : Update comments for __atomic_compare_exchange and
13382         __atomic_{is,always}_lock_free.
13383
13384 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
13385
13386         PR target/52146
13387         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
13388         negative constant address for TARGET_X32.
13389
13390 2012-02-10  Richard Henderson  <rth@redhat.com>
13391
13392         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
13393         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
13394         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
13395
13396 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
13397             Ira Rosen  <irar@il.ibm.com>
13398
13399         PR tree-optimization/50031
13400         * targhooks.c (default_builtin_vectorization_cost): Handle
13401         vec_promote_demote.
13402         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
13403         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
13404         all types of reduction and pattern statements.
13405         (vect_estimate_min_profitable_iters): Likewise.
13406         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
13407         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
13408         for explicit realigns.
13409         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
13410         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
13411         vec_promote_demote.
13412         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
13413         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
13414         vec_perm for VSX and handle vec_promote_demote.
13415
13416 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
13417
13418         PR middle-end/52177
13419         * builtins.c (fold_builtin_atomic_always_lock_free,
13420         expand_builtin_atomic_always_lock_free,
13421         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
13422         Return and/or test boolean_true_node/boolean_false_node instead of
13423         integer_one_node/integer_zero_node.
13424
13425 2012-02-10  Jan Hubicka  <jh@suse.cz>
13426
13427         PR middle-end/48600
13428         * predict.c (predict_paths_for_bb): Prevent looping.
13429         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
13430
13431 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
13432
13433         * config/arm/arm.c (output_move_double): In one case properly
13434         count number of instructions that will be emitted.
13435
13436 2012-02-10  Richard Guenther  <rguenther@suse.de>
13437
13438         PR translation/52193
13439         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
13440
13441 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
13442
13443         PR middle-end/52140
13444         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
13445
13446 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
13447
13448         PR debug/52165
13449         * var-tracking.c (emit_note_insn_var_location): If
13450         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
13451         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
13452         non-NOTE_DURING_CALL_P insn.
13453
13454 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
13455
13456         PR middle-end/51867
13457         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
13458
13459 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
13460
13461         PR driver/48524
13462         * gcc.c (switch_matches) Support switches with separated form,
13463         -D and -U.
13464
13465 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
13466
13467         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
13468         (SP_ADDR): Ditto.
13469         (RAMPZ_ADDR): Ditto.
13470         * config/avr/avr.c (avr_addr_t): New typedef.
13471         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
13472         (avr_init_expanders): Initialize it.
13473         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
13474         SREG_ADDR.
13475         (expand_epilogue): Ditto.
13476         (avr_print_operand): Ditto.
13477         (avr_file_start): Ditto.
13478         (avr_emit_movmemhi): Ditto.
13479
13480 2012-02-08  Richard Guenther  <rguenther@suse.de>
13481
13482         PR tree-optimization/46886
13483         * tree-flow.h (do_while_loop_p): Declare.
13484         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
13485         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
13486
13487 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
13488
13489         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
13490         always succeed for integers larger than a native word.
13491
13492 2012-02-08  Richard Guenther  <rguenther@suse.de>
13493
13494         PR rtl-optimization/52170
13495         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
13496         properly handle integer vector modes.
13497
13498 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
13499
13500         PR gcov-profile/52150
13501         * coverage.c: Include target.h.
13502         (build_var): Call targetm.strip_name_encoding on the assembler name.
13503         Change one _ into . or $ if the target allows it.
13504         * Makefile.in (coverage.o): Depend on $(TARGET_H).
13505
13506         PR rtl-optimization/52139
13507         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
13508         is a BARRIER after emit_insn_after_noloc, move BB_END
13509         to the last non-BARRIER insn before it.
13510
13511 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
13512
13513         PR middle-end/24306
13514         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
13515         (mips_gimplify_va_arg_expr): Call it instead of
13516         std_gimplify_va_arg_expr.
13517
13518 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
13519
13520         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
13521         message for -mno-pointers-to-nested-function.
13522
13523 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
13524
13525         PR middle-end/51994
13526         * expr.c (get_inner_reference): If there is an offset, add a negative
13527         bit position to it (if any).
13528
13529 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
13530
13531         PR rtl-optimization/52060
13532         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
13533         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
13534         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
13535         and/or i0src_copy2 when needed.
13536
13537 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
13538
13539         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
13540         or LTOPLUGINSONAME if have_c.
13541
13542         * config/freebsd-spec.h: Add comment about what macros can be defined
13543         in this header.
13544         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
13545         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
13546         here instead.
13547
13548 2012-02-07  Richard Guenther  <rguenther@suse.de>
13549
13550         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
13551         newline in -alias dumps.
13552
13553 2012-02-07  Kai Tietz  <ktietz@redhat.com>
13554             Dave Korn  <dave.korn.cygwin@gmail.com>
13555
13556         PR target/40068
13557         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
13558         Take care that typinfo gets dllexport-attribute.
13559
13560 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
13561
13562         PR middle-end/52074
13563         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
13564         if modifier < EXPAND_SUM call force_operand on the result.
13565
13566 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
13567
13568         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
13569         adding __forwarder_dst__ prefix if a forwarder_section attribute is
13570         present.
13571         (epiphany_function_type): Replace types for specific interrupts with
13572         EPIPHANY_FUNCTION_INTERRUPT.
13573         (EPIPHANY_INTERRUPT_P): Update.
13574         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
13575         New static function.
13576         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
13577         <disinterrupt>: Affects type identity.
13578         (epiphany_handle_interrupt_attribute): Handle variable number of
13579         arguments.
13580         (epiphany_compute_function_type): Update for new
13581         epiphany_function_type definition.
13582         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
13583         handlers with a longcall forwarder.
13584         (epiphany_start_function): Handle multiple interrupt arguments and/or
13585         forwarder_section attribute.
13586
13587         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
13588         libgloss.
13589
13590 2012-02-07  Alan Modra  <amodra@gmail.com>
13591
13592         PR target/52107
13593         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
13594         subregs of TFmode.
13595
13596 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
13597
13598         PR tree-optimization/50969
13599         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
13600         use vec_perm rather than vector_stmt.
13601         (vect_model_load_cost): Likewise.
13602         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
13603         vec_perm to be the same as other vector statements.
13604         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
13605         cost of vec_perm for TARGET_VSX.
13606
13607 2012-02-06  Richard Guenther  <rguenther@suse.de>
13608
13609         PR tree-optimization/52115
13610         * tree-sra.c (access_has_replacements_p): New function.
13611         (sra_modify_assign): Use it to decide whether a use is uninitialized.
13612
13613 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
13614
13615         PR middle-end/52047
13616         * trans-mem.c (expand_call_tm): Add an assertion.
13617         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
13618         functions.
13619
13620 2012-02-06  Richard Guenther  <rguenther@suse.de>
13621
13622         PR tree-optimization/50955
13623         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
13624         raise cost of expressions that replace an address with an
13625         expression based on a different pointer.
13626
13627 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
13628
13629         PR target/52129
13630         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
13631         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
13632
13633 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
13634
13635         PR c++/48680
13636         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
13637         -Weffc++ and specify guidelines come from second edition.
13638
13639 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
13640
13641         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
13642         (sibcall_value_multiple_internal, call_split, call_internal_direct)
13643         (call_direct_split, call_value_split, call_value_internal_direct)
13644         (call_value_direct_split, call_value_multiple_split): Use jal and
13645         jal_macro attributes.
13646
13647 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
13648
13649         * reload1.c (reload_regs_reach_end_p): Replace with...
13650         (reload_reg_rtx_reaches_end_p): ...this function.
13651         (new_spill_reg_store): Update commentary.
13652         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
13653         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
13654         before setting new_spill_reg_store.
13655         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
13656         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
13657         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
13658         for non-spill reload registers.
13659
13660 2012-02-05  Ira Rosen  <irar@il.ibm.com>
13661
13662         PR tree-optimization/52091
13663         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
13664         (vect_is_simple_use_1): Likewise.
13665         * tree-vect-loop.c (vectorizable_reduction): Update calls
13666         to vect_is_simple_use_1 and vect_is_simple_use.
13667         (vectorizable_live_operation): Likewise.
13668         * tree-vect-patterns.c (widened_name_p,
13669         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
13670         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
13671         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
13672         vectorizable_shift,vectorizable_operation, vectorizable_store,
13673         vectorizable_load): Likewise.
13674         (vect_is_simple_cond): Add an argument, pass it to
13675         vect_is_simple_use_1.
13676         (vectorizable_condition): Update calls to vect_is_simple_cond,
13677         vect_is_simple_use.
13678         (vect_is_simple_use): Add an argument, the statement in which
13679         OPERAND is used.  Check that if OPERAND's def stmt is a double
13680         reduction phi node, the use is a phi node too.
13681         (vect_is_simple_use_1): Add an argument, pass it to
13682         vect_is_simple_use.
13683         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
13684         to vect_is_simple_use.
13685
13686 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
13687
13688         PR rtl-optimization/52095
13689         * modulo-sched.c (dump_insn_locator): New function.
13690         (loop_canon_p, sms_schedule): Use it.
13691
13692         PR rtl-optimization/52113
13693         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
13694         even for decomposable shift/zext insns.
13695
13696 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
13697             Zdenek Dvorak  <ook@ucw.cz>
13698
13699         PR rtl-optimization/52092
13700         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
13701         on get_iv_value result.
13702
13703 2012-02-02  Andrew Pinski  <apinski@cavium.com>
13704
13705         PR middle-end/47982
13706         PR middle-end/43967
13707         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
13708
13709 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
13710
13711         PR middle-end/48071
13712         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
13713
13714 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
13715
13716         PR rtl-optimization/49800
13717         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
13718         (sched_finish): Call regstat_free_n_sets_and_refs.
13719
13720 2012-02-02  Jia Liu  <proljc@gmail.com>
13721
13722         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
13723         than operand 2.
13724
13725 2012-02-02  Jan Hubicka  <jh@suse.cz>
13726             Tom de Vries  <tom@codesourcery.com>
13727
13728         PR middle-end/51998
13729         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
13730         * varpool.c (varpool_analyze_pending_decls): Likewise.
13731
13732 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
13733             Jayant R Sonar <jayant.sonar@kpitcummins.com>
13734
13735         * config.gcc: Add cr16-* support.
13736
13737         * doc/extend.texi: Document cr16 extensions.
13738         * doc/install.texi: Document cr16 install.
13739         * doc/invoke.texi: Document cr16 options.
13740         * doc/md.texi: Document cr16 constraints.
13741
13742         * common/config/cr16/cr16-common.c: New file.
13743         * config/cr16/cr16.c: New file.
13744         * config/cr16/cr16.h: New file.
13745         * config/cr16/cr16.md: New file.
13746         * config/cr16/cr16.opt: New file.
13747         * config/cr16/cr16-protos.h: New file.
13748         * config/cr16/predicates.md: New file.
13749         * config/cr16/constraints.md: New file.
13750         * config/cr16/t-cr16: New file.
13751
13752 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
13753
13754         PR target/52086
13755         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
13756         that operands[2] is either immediate, or q_regs_operand.
13757
13758         PR tree-optimization/52073
13759         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
13760         a pattern stmt for pattern uses, ignore uses outside of the loop.
13761
13762 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
13763
13764         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
13765         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
13766         (OUT_AS1, OUT_AS2): Remove.
13767
13768 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
13769
13770         PR rtl-optimization/51374
13771         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
13772         to cross other volatile_refs_p insns.
13773
13774 2012-02-01  Richard Guenther  <rguenther@suse.de>
13775
13776         * doc/invoke.texi (fno-inline): Clarify documentation.
13777         (finline-small-functions): Likewise.
13778         (finline-functions): Likewise.
13779         * common.opt (finline): Adjust comment and documentation.
13780         (finline-small-functions): Clarify documentation.
13781         (finline-functions): Likewise.
13782         (finline-functions-called-once): Likewise.
13783
13784 2012-02-01  Tristan Gingold  <gingold@adacore.com>
13785
13786         * c-typeck.c (composite_type): Keep mode for pointers.
13787
13788 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
13789
13790         * function.h (regno_reg_rtx): Adjust comment.
13791         * reginfo.c (init_reg_modes_target): Only use the previous mode
13792         if it fits within one register.  Remove MIPS comment.
13793
13794 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
13795
13796         PR bootstrap/52058
13797         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
13798
13799 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
13800
13801         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
13802         to srak instruction.
13803
13804 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
13805
13806         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
13807
13808 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
13809
13810         PR bootstrap/52041
13811         PR bootstrap/52039
13812         PR target/51974
13813         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
13814
13815 2012-01-31  Richard Guenther  <rguenther@suse.de>
13816
13817         PR tree-optimization/51528
13818         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
13819         assigns.
13820
13821 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
13822
13823         PR bootstrap/52041
13824         PR bootstrap/52039
13825         PR target/51974
13826         * ree.c (add_removable_extension): Change def_map argument
13827         to unsigned *, store in def_map 1 + offset into *insn_list vector
13828         instead of pointers into the vector.
13829         (find_removable_extensions): Adjust caller.
13830
13831 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
13832
13833         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
13834         Transform all "* quoted-c-code" to { c-code }.
13835         Remove redundant test for "optimize" in combine patterns.
13836         Move (include "avr-dimode.md") to end of file.
13837
13838 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
13839
13840         PR target/51835
13841         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
13842         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
13843
13844 2012-01-30  Richard Guenther  <rguenther@suse.de>
13845
13846         PR tree-optimization/52028
13847         * tree-loop-distribution.c (ldist_gen): Properly update
13848         virtual SSA form.
13849
13850 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
13851
13852         PR debug/52027
13853         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
13854         set_cur_line_info_table if not emitting debug info.
13855
13856         PR tree-optimization/52046
13857         * tree-vect-patterns.c (check_bool_pattern): Give up if
13858         a comparison could throw.
13859
13860         PR debug/52048
13861         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
13862
13863 2012-01-30  Richard Guenther  <rguenther@suse.de>
13864
13865         PR tree-optimization/52045
13866         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
13867         SSA form if cfgcleanup did anything.
13868
13869 2012-01-30  Richard Guenther  <rguenther@suse.de>
13870
13871         PR tree-optimization/52045
13872         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
13873         before computing final todo.
13874
13875 2012-01-30  Richard Guenther  <rguenther@suse.de>
13876
13877         PR tree-optimization/51528
13878         * tree-sra.c (sra_modify_assign): Re-factor in preparation
13879         for PR51528 fix.
13880
13881 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
13882
13883         * df-problems.c (df_kill_notes): Check that the use refers
13884         to the note under examination.
13885
13886 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
13887
13888         PR target/51920
13889         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
13890         parameter and use short-lived pseudos.
13891         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
13892         (sparc_expand_vector_init): Const-ify local variables and adjust
13893         calls to above functions.
13894
13895 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
13896
13897         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
13898
13899 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
13900
13901         * doc/invoke.texi: Make usage of "compile time" and
13902         "run time"/"runtime" consistent throughout the file.
13903
13904 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
13905
13906         * config/alpha/alpha.c (alpha_option_override): Default to
13907         full IEEE compliance mode for Go language.
13908
13909 2012-01-29  Tijl Coosemans  <tijl@coosemans.org>
13910
13911         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
13912         (LINK_SSP_SPEC): Define.
13913
13914 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13915
13916         PR target/51871
13917         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
13918         stubs.
13919
13920 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
13921
13922         * doc/invoke.texi: Correct hyphenation of "floating point",
13923         "double precision", and related terminology throughout the file.
13924
13925 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
13926
13927         PR target/52006
13928         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
13929         arm_general_register_operand predicate for operand 2 instead of
13930         register_operand.
13931
13932 2012-01-27  Ian Lance Taylor  <iant@google.com>
13933
13934         PR go/47656
13935         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
13936         * builtins.c (expand_builtin_init_trampoline): Add onstack
13937         parameter.  Change caller.
13938         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
13939         * tree.c (build_common_builtin_nodes): Declare
13940         __builtin_init_heap_trampoline.
13941
13942 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
13943
13944         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
13945         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
13946         * config/avr/avr.c: Ditto.
13947         (avr_regnames): Remove because unused.
13948         * config/avr/avr.md (*cpse.ne): New peephole.
13949         (*cpse.eq): New peephole from former cpse peepholes.
13950
13951 2012-01-27  Michael Eager  <eager@eagercon.com>
13952
13953         * config/microblaze.c (microblaze_emit_compare): Correct
13954         test after pcmp instruction.
13955
13956 2012-01-27  Richard Guenther  <rguenther@suse.de>
13957
13958         PR tree-optimization/52020
13959         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
13960
13961 2012-01-27  Richard Guenther  <rguenther@suse.de>
13962
13963         * ipa-pure-const.c (check_stmt): Clobbers do not make a
13964         function non-const/pure.
13965
13966 2012-01-27  Richard Guenther  <rguenther@suse.de>
13967
13968         PR tree-optimization/50444
13969         * tree-sra.c (build_ref_for_offset): Properly adjust the
13970         MEM_REF type for unaligned accesses.
13971
13972 2012-01-27  Richard Guenther  <rguenther@suse.de>
13973
13974         PR tree-optimization/50444
13975         * expr.c (mem_ref_refers_to_non_mem_p): New function.
13976         (expand_assignment): Use it.  Properly handle misaligned
13977         bases when expanding stores to component references.
13978         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
13979         refactor that case.
13980
13981 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
13982
13983         PR middle-end/51389
13984         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
13985         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
13986         * tree-data-ref.c (find_data_references_in_loop): Make static.
13987         (compute_all_dependences): Change return type to bool.  Bail out
13988         for too many datarefs in a loop.  Move the hunk resetting the data
13989         dependences vector from ...
13990         (compute_data_dependences_for_loop): ... here.  Account for
13991         compute_all_dependences returning false.
13992         (compute_data_dependences_for_bb): Likewise.
13993         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
13994         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
13995
13996 2012-01-27  Richard Guenther  <rguenther@suse.de>
13997
13998         PR middle-end/51959
13999         * expr.c (store_field): Use the alias-set of the scratch memory
14000         for storing to it.
14001
14002 2012-01-27  Tom de Vries  <tom@codesourcery.com>
14003
14004         PR tree-optimization/51990
14005         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
14006         WITH_SIZE_EXPR.
14007         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
14008
14009 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
14010
14011         PR debug/52001
14012         * var-tracking.c (reverse_op): Don't add any reverse operation
14013         if V already has any constant locations.
14014
14015 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
14016
14017         * doc/invoke.texi: Correct usage of "command line" (noun)
14018         vs "command-line" (adjective) throughout.
14019
14020 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
14021
14022         * doc/invoke.texi (Language Independent Options): Move
14023         -Wcoverage-mismatch blurb from here....
14024         (Warning Options): ...to here.
14025
14026 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
14027
14028         * config/rs6000/rs6000.c (rs6000_option_override_internal):
14029         Set rs6000_always_hint to false for 476.
14030
14031 2012-01-27  Matthias Klose  <doko@ubuntu.com>
14032
14033         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
14034           system root.
14035         * incpath.c (add_standard_paths): Likewise.
14036
14037 2012-01-27  Richard Henderson  <rth@redhat.com>
14038
14039         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
14040         * config/m68k/sync.md (atomic_test_and_set): Rename from
14041         sync_test_and_setqi and adjust the operands.
14042         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
14043         and unconditionally enable.
14044
14045 2012-01-27  Richard Henderson  <rth@redhat.com>
14046
14047         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
14048         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
14049         (ldstub): Rename from ldstubqi.
14050         (ldstub<I24MODE>): Remove.
14051
14052 2012-01-27  Richard Henderson  <rth@redhat.com>
14053
14054         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
14055         * c-cppbuiltin.c (cpp_atomic_builtins): Define
14056         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
14057         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
14058         * doc/tm.texi: Rebuild.
14059
14060 2012-01-27  Richard Henderson  <rth@redhat.com>
14061
14062         * optabs.c (gen_atomic_test_and_set): Remove default.
14063         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
14064
14065 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
14066
14067         PR rtl-optimization/51978
14068         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
14069         (combine_reaching_defs): Likewise.
14070         (struct re_info): Remove.
14071         (add_removable_extension): Remove x and data arguments,
14072         add insn, insn_list and def_map.  Use the arguments directly
14073         instead of using struct re_info.
14074         (find_removable_extensions): Don't call add_removable_extension
14075         through note_stores, instead just call it with single_set
14076         result if non-NULL.
14077         (find_and_remove_re): Pass curr_cand->expr instead of
14078         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
14079
14080 2012-01-26  Michael Matz  <matz@suse.de>
14081
14082         PR tree-optimization/46590
14083         * cfgexpand.c: Revert last change (r183305).
14084         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
14085         regs.
14086         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
14087         checking for emptiness.
14088
14089 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
14090
14091         PR middle-end/51895
14092         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
14093         non-addressable non-BLKmode base correctly.
14094
14095 2012-01-26  Michael Matz  <matz@suse.de>
14096
14097         PR tree-optimization/48794
14098         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
14099         regions referenced from RESX/EH_DISPATCH.
14100
14101 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
14102
14103         * config/s390/s390.h: Make BRANCH_COST an option.
14104         * config/s390/s390.opt: New option -mbranch-cost.
14105
14106 2012-01-26  Richard Henderson  <rth@redhat.com>
14107
14108         Revert 2012-01-24 change:
14109         * trans-mem.c (requires_barrier): Do not instrument thread local
14110         variables and emit save/restore for them.
14111
14112 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
14113
14114         PR middle-end/51986
14115         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
14116         for pat == 0.
14117
14118 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
14119
14120         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
14121         ASM_OPERANDS.
14122
14123 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
14124
14125         PR target/49868
14126         Rename __pgm to __flash.
14127         Rename __pgm1 to __flash1.
14128         Rename __pgm2 to __flash2.
14129         Rename __pgm3 to __flash3.
14130         Rename __pgm4 to __flash4.
14131         Rename __pgm5 to __flash5.
14132         Rename __pgmx to __memx.
14133         * doc/extend.texi (AVR Named Address Spaces)
14134         Rename address space names as indicated above.
14135         * config/avr/avr.c (avr_addrspace): Ditto.
14136
14137         * config/avr/avr-protos.h
14138         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
14139         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
14140         * config/avr/predicates.md: Ditto.
14141         * config/avr/avr.c Ditto, and
14142         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
14143         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
14144
14145         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
14146         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
14147         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
14148         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
14149         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
14150         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
14151         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
14152         * config/avr/avr.c: Ditto.
14153         * config/avr/avr.md: Ditto.
14154
14155 2012-01-25  Jason Merrill  <jason@redhat.com>
14156
14157         PR c++/51992
14158         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
14159
14160 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
14161
14162         PR tree-optimization/51987
14163         * tree-data-ref.c (get_references_in_stmt): Handle references in
14164         non-volatile GIMPLE_ASM.
14165
14166 2012-01-25  Richard Guenther  <rguenther@suse.de>
14167
14168         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
14169         bases are dereferenced.
14170
14171 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
14172
14173         PR rtl-optimization/48374
14174         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
14175
14176 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
14177
14178         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
14179         compute_data_dependences_for_loop returns false.
14180         * tree-parloops.c (loop_parallel_p): Likewise.
14181
14182 2012-01-25  Richard Guenther  <rguenther@suse.de>
14183
14184         * tree.h (get_pointer_alignment_1): Declare.
14185         * builtins.c (get_pointer_alignment_1): New function.
14186         (get_pointer_alignment): Use it.
14187
14188 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
14189
14190         PR rtl-optimization/48308
14191         * combine.c (enum undo_kind): Add UNDO_LINKS.
14192         (struct undo): Add member l to other_contents and where.
14193         (do_SUBST_LINK): New.
14194         (SUBST_LINK): New.
14195         (try_combine): Handle LOG_LINKS for the dummy i1 case.
14196         (undo_all): Handle UNDO_LINKS.
14197
14198 2012-01-25  Richard Henderson  <rth@redhat.com>
14199
14200         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
14201         mem inputs.
14202
14203 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
14204
14205         * optabs.c (gen_atomic_test_and_set): Use each argument.
14206
14207 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
14208
14209         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
14210         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
14211         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
14212         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
14213         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
14214         TARGET_PAIRED_SINGLE_FLOAT.
14215
14216 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
14217
14218         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
14219         (in_struct, return_val): Remove MEM documentation.
14220         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
14221         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
14222         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
14223         and MEM_SCALAR.
14224         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
14225         * cfgexpand.c (add_alias_set_conflicts): Likewise.
14226         * expr.c (store_field): Likewise.
14227         * function.c (assign_stack_temp_for_type): Likewise.
14228         * ifcvt.c (noce_try_cmove_arith): Likewise.
14229         * reload1.c (reload): Likewise.
14230         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
14231         (alpha_set_memflags): Likewise.
14232         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
14233
14234 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
14235
14236         * rtl.h (true_dependence, canon_true_dependence): Remove varies
14237         parameter.
14238         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
14239         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
14240         (true_dependence_1, true_dependence, canon_true_dependence): Remove
14241         varies parameter.
14242         * cselib.c (cselib_rtx_varies_p): Delete.
14243         (cselib_invalidate_mem): Update call to canon_true_dependence.
14244         * dse.c (record_store, check_mem_read_rtx): Likewise.
14245         (scan_reads_nospill): Likewise.
14246         * cse.c (check_dependence): Likewise.
14247         (cse_rtx_varies_p): Delete.
14248         * expr.c (safe_from_p): Update call to true_dependence.
14249         * ira.c (validate_equiv_mem_from_store): Likewise.
14250         (memref_referenced_p): Likewise.
14251         * postreload-gcse.c (find_mem_conflicts): Likewise.
14252         * sched-deps.c (sched_analyze_2): Likewise.
14253         * store-motion.c (load_kills_store): Likewise.
14254         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
14255         * gcse.c (mems_conflict_for_gcse_p): Likewise.
14256         (compute_transp): Update call to canon_true_dependence.
14257
14258 2012-01-25  Richard Henderson  <rth@redhat.com>
14259
14260         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
14261         (maybe_emit_atomic_test_and_set): New.
14262         (expand_sync_lock_test_and_set): Use it.
14263         (expand_atomic_test_and_set): Likewise.
14264         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
14265         the implementation; clarify implementation defined details.
14266         * doc/md.texi (atomic_test_and_set): Document.
14267
14268 2012-01-25  Richard Henderson  <rth@redhat.com>
14269
14270         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
14271
14272 2012-01-25  Richard Henderson  <rth@redhat.com>
14273
14274         PR target/51968
14275         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
14276         to effect no-op split.
14277
14278 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
14279
14280         PR lto/51698
14281         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
14282         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
14283         (BT_FN_VOID_PTR_INT_SIZE): New.
14284         (BT_FN_UINT_UINT_VAR): Remove.
14285         (BT_FN_UINT32_UINT32_VAR): New.
14286         (BT_FN_DOUBLE_VPTR): Remove.
14287         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
14288
14289         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
14290         (_ITM_changeTransactionMode): Same.
14291         (_ITM_memmoveRtWt): Change return type to void.
14292         (_ITM_memcpyRtWt): Same.
14293         (_ITM_memsetW): Same.
14294         (_ITM_RaRD): Change types to double.
14295         (_ITM_RD): Same.
14296         (_ITM_RaWD): Same.
14297         (_ITM_RfWD): Same.
14298
14299         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
14300
14301 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
14302             Patrick Marlier  <patrick.marlier@gmail.com>
14303
14304         * trans-mem.c (requires_barrier): Do not instrument thread local
14305         variables and emit save/restore for them.
14306
14307 2012-01-24  Jason Merrill  <jason@redhat.com>
14308
14309         PR c++/51812
14310         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
14311         output static aliases.
14312
14313 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
14314
14315         PR driver/47249
14316         * common.opt (-pie, -shared, pie, shared): Change from Common to
14317         Driver.
14318         * gcc.c (display_help): Display help for -pie and -shared.
14319
14320 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
14321
14322         PR target/49868
14323         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
14324         Remove note on size/offset limitation.
14325         (AVR Variable Attributes): Add example how to read data located
14326         with progmem.  Refer to named address spaces.
14327         * doc/invoke.texi (AVR Options): Fix typo.
14328
14329 2012-01-24  Richard Guenther  <rguenther@suse.de>
14330
14331         Forward-port to trunk
14332         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
14333
14334         PR middle-end/45678
14335         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
14336         op0 isn't sufficiently aligned and there is movmisalignM
14337         insn for mode, use it to load op0 into a temporary register.
14338
14339 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
14340
14341         PR target/51957
14342         * target.def (const_not_ok_for_debug_p): New hook.
14343         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
14344         documentation.
14345         * doc/tm.texi: Regenerated.
14346         * dwarf2out.c (const_ok_for_output_1): If
14347         targetm.const_not_ok_for_debug_p returns true, fail.
14348         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
14349         function.
14350         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
14351
14352 2012-01-23  Kai Tietz  <ktietz@redhat.com>
14353
14354         PR target/51900
14355         * config/i386/predicates.md (symbolic_operand): Allow
14356         UNSPEC_PCREL as PIC expression for lea.
14357         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
14358         * config/i386/i386.c (ix86_delegitimize_address): Handle
14359         UNSPEC_PCREL for none-MEM, too.
14360
14361 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
14362
14363         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
14364         (ipa_tm_create_version_alias): Same.
14365
14366 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
14367
14368         PR libitm/51830
14369         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
14370         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
14371
14372 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
14373             Patrick Marlier  <patrick.marlier@gmail.com>
14374             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
14375
14376         PR lto/51916
14377         * lto-wrapper.c (run_gcc): Pass the LTO section name to
14378         simple_object_start_read.
14379
14380 2012-01-23  Richard Guenther  <rguenther@suse.de>
14381
14382
14383         PR tree-optimization/51895
14384         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
14385         parameter decomposition into BLKmode components.
14386
14387 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
14388
14389         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
14390         fake variables for restrict-qualified pointers whose pointed-to type
14391         contains a placeholder.
14392
14393 2012-01-23  Richard Guenther  <rguenther@suse.de>
14394
14395         PR tree-optimization/51949
14396         * ipa-split.c (execute_split_functions): Do not split malloc functions.
14397
14398 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
14399
14400         PR rtl-optimization/51933
14401         * ree.c (transform_ifelse): Return true right away if dstreg is
14402         already wider or equal to cand->mode.
14403         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
14404         (make_defs_and_copies_lists): Remove defs_list and copies_list
14405         arguments, add state argument, just truncate state->work_list
14406         instead of always allocating and freeing the vector.  Assert that
14407         get_defs succeeds instead of returning 2.  Changed return type to bool.
14408         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
14409         have ext_src_mode, see if it has been modified already with the
14410         right kind of extension and has been extended before from the
14411         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
14412         just return true.  Remember the original mode in state->modified array.
14413         (combine_reaching_defs): Add state argument.  Don't allocate and
14414         free here def_list, copied_list and vec vectors, instead just
14415         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
14416         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
14417         Add state variable, clear vectors in it, initialize state.modified
14418         if needed.  Free all the vectors at the end and state.modified too.
14419         Don't skip a candidate if the extension expression has been modified.
14420
14421 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
14422
14423         PR target/47096
14424         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
14425          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
14426         (extra_options) interix.opt -> i386/interix.opt"
14427         (extra_objs):Add winnt-stubs.o
14428         * configure.ac: Add interix to target_os .comm on PE check.
14429         * configure: Regenerate.
14430         * config/interix3.h: Delete and move bits to..
14431         * config/interix.h: Delete and move bits to..
14432         * config/i386/i386-interix3.h: Delete and move bits to..
14433         * config/i386/i386-interix.h: ..here.
14434         (TARGET_CPU_DEFAULT): Remove redefinition.
14435         (TARGET_ASM_CONSTRUCTOR): Undefine.
14436         (SUBTARGET_SWITCHES): Define for ms-bitfields.
14437         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
14438         (PTRDIFF_TYPE): Define.
14439         (LONG_DOUBLE_TYPE_SIZE): Define.
14440         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
14441         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
14442         (TARGET_SECTION_TYPE_FLAGS): Define.
14443         (ASM_DECLARE_FUNCTION_NAME): Define.
14444         (ASM_OUTPUT_EXTERNAL): Define.
14445         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
14446         (ASM_OUTPUT_ALIGNED_BSS): Define.
14447         (PCC_BITFIELD_TYPE_MATTERS): Define.
14448         (USE_CONST_SECTION): Define.
14449         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
14450         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
14451         (SUPPORTS_ONE_ONLY): Remove.
14452         (I386_PE_STRIP_ENCODING): Define.
14453         * config/interix.opt: Delete and move bits to..
14454         * config/i386/interix.opt: ..here. New.
14455         (mpe-aligned-commons): Add.
14456         * config/i386/t-interix: Add copyright header.
14457         (winnt-stubs.o): Add rule.
14458
14459 2012-01-22  Jason Merrill  <jason@redhat.com>
14460
14461         PR c++/51832
14462         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
14463         for extra name aliases.
14464
14465 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
14466
14467         PR rtl-optimization/51924
14468         * ree.c (combine_set_extension): Improve debugging message.
14469         (combine_reaching_defs): Likewise.
14470         (get_defs): Rename confusingly named variable.
14471         (find_and_remove_re): Skip a candidate if the extension expression has
14472         been modified.
14473
14474 2012-01-21  Robert Millan  <rmh@gnu.org>
14475             Gerald Pfeifer  <gerald@pfeifer.com>
14476
14477         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
14478         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
14479
14480 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
14481
14482         PR tree-optimization/51914
14483         * tree-vect-stmts.c (vectorizable_conversion): For
14484         cvt_type && modifier == WIDEN, put temporary with cvt_type
14485         at the beginning of vec_dsts and set vec_dest to temporary
14486         with vectype_out.
14487
14488 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
14489
14490         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
14491
14492 2012-01-20  Tijl Coosemans  <tijl@coosemans.org>
14493
14494         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
14495         * config/rs6000/rs6000.c: Likewise.
14496
14497 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
14498
14499         PR target/51915
14500         * config/arm/arm.c (arm_count_output_move_double_insns): Call
14501         output_move_double on a copy of operands array.
14502
14503 2012-01-20  Cary Coutant  <ccoutant@google.com>
14504             Dodji Seketeli  <dodji@redhat.com>
14505
14506         PR debug/45682
14507         * dwarf2out.c (copy_declaration_context): Return ref to parent
14508         of declaration DIE, if necessary.
14509         (remove_child_or_replace_with_skeleton): Add new parameter; update
14510         caller.  Place skeleton DIE under parent DIE of original declaration.
14511         Move call to copy_declaration_context to here ...
14512         (break_out_comdat_types): ... from here.
14513
14514 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
14515
14516         PR rtl-optimization/51856
14517         * reload.c (find_reloads_subreg_address): Set the address_reloaded
14518         flag to reloaded.
14519
14520 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
14521
14522         PR target/51819
14523         * config/arm/arm.c (arm_print_operand): Correct output of alignment
14524         hints for neon loads and stores.
14525
14526 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
14527
14528         PR target/49868
14529         PR target/50887
14530         * doc/extend.texi (Named Address Spaces): Split into subsections.
14531         (AVR Named Address Spaces): New subsection.
14532         (M32C Named Address Spaces): New subsection.
14533         (RL78 Named Address Spaces): New subsection.
14534         (SPU Named Address Spaces): New subsection.
14535         (Variable Attributes): New anchor "AVR Variable Attributes".
14536         (AVR Variable Attributes): Rewrite and avoid wording
14537         "address space" in this context.
14538         * doc/invoke.texi (AVR Options): Rewrite and add documentation
14539         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
14540         (AVR Built-in Macros): New subsubsection therein.
14541         * doc/md.texi (AVR constraints): Remove "C04", "R".
14542
14543 2012-01-20  Richard Guenther  <rguenther@suse.de>
14544
14545         PR tree-optimization/51903
14546         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
14547         when removing stmts.
14548
14549 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
14550
14551         PR target/50313
14552         * config/arm/arm.c (arm_load_pic_register): Use
14553         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
14554         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
14555         (arm_pic_static_addr): Likewise.
14556         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
14557         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
14558         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
14559         (pic_load_addr_unified): New.
14560
14561 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
14562
14563         PR target/51106
14564         * function.c (instantiate_virtual_regs_in_insn): Use
14565         delete_insn_and_edges when removing a wrong asm insn.
14566
14567 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
14568
14569         PR rtl-optimization/40761
14570         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
14571         Add new member loop_num.
14572         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
14573         (ira_build): Remove the parameter.
14574
14575         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
14576         (ira.c): Do not build CFG loops for one region allocation.  Remove
14577         argument from ira_build call.
14578
14579         * ira-build.c (init_loop_tree_node): New function.
14580         (create_loop_tree_nodes): Use it.  Separate the case when CFG
14581         loops are not built.
14582         (more_one_region_p): Check current_loops.
14583         (finish_loop_tree_nodes): Separate the case when CFG loops are not
14584         built.
14585         (add_loop_to_tree): Process loop equal to NULL too.
14586         (form_loop_tree): Separate the case when CFG loops are not built.
14587         Use explicitly number for the root.
14588         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
14589         an assertion.
14590         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
14591         instead of loop->num.
14592         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
14593         (mark_all_loops_for_removal): Ditto.
14594         (remove_unnecessary_regions): Separate the case when CFG loops
14595         are not built.
14596         (ira_build): Remove the parameter.  Use explicit number of regions
14597         when CFG loops are not built.
14598
14599         * ira-color.c (print_loop_title): Separate the case for the root node.
14600         Use loop_num instead of loop->num.
14601         (move_spill_restore): Use loop_num instead of loop->num.
14602
14603         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
14604         (change_loop): Ditto.
14605         (change_loop): Use loop_num instead of loop->num.
14606
14607         * ira-lives.c (process_bb_node_lives): Ditto.
14608
14609         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
14610
14611         * ira-conflicts.c (print_allocno_conflicts): Ditto.
14612
14613 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
14614
14615         PR libmudflap/40778
14616         * tree-mudflap.c (mf_artificial): New function.
14617         (execute_mudflap_function_ops, execute_mudflap_function_decls,
14618         mx_register_decls, mudflap_enqueue_decl): Use it.
14619
14620         PR target/51876
14621         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
14622         numbers in the insn pattern.
14623
14624 2012-01-19  Michael Matz  <matz@suse.de>
14625
14626         PR tree-optimization/46590
14627         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
14628         use it in remembering which conflicts we already created.
14629         (add_scope_conflicts): Adjust call to above, (de)allocate helper
14630         bitmap.
14631
14632 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
14633
14634         PR lto/51280
14635         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
14636         (merge_and_complain): Same.
14637
14638 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
14639
14640         PR bootstrap/50237
14641         * config/initfini-array.h: Guard content of the header
14642         with #ifdef HAVE_INITFINI_ARRAY.
14643         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
14644         Add initfini-array.h to tm_file here.
14645         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
14646         * config.gcc: Don't add initfini-array.h to tm_file here.
14647         * configure: Regenerated.
14648
14649 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
14650
14651         PR rtl-optimization/51505
14652         * df-problems.c (df_kill_notes): New parameter live. Update comment.
14653         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
14654         (df_note_bb_compute): Update the call to df_kill_notes.
14655
14656 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
14657
14658         * trans-mem.c (requires_barrier): Remove call to is_global_var.
14659
14660 2012-01-18  Richard Guenther  <rguenther@suse.de>
14661
14662         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
14663         of conversions to void *.
14664
14665 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
14666             Richard Sandiford  <rdsandiford@googlemail.com>
14667
14668         PR middle-end/50325
14669         PR middle-end/51192
14670         * optabs.h (simplify_expand_binop): Declare.
14671         * optabs.c (simplify_expand_binop): Make global.
14672         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
14673         endian targets if the source cannot be exactly covered by word
14674         mode chunks.
14675
14676 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
14677
14678         PR bootstrap/51872
14679         * hard-reg-set.h (struct hard_reg_set_container): New type.
14680         * target.h (struct hard_reg_set_container): Forward declare.
14681         * target.def (set_up_by_prologue): New target hook.
14682         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
14683         * doc/tm.texi: Regenerated.
14684         * function.c (thread_prologue_and_epilogue_insns): Change
14685         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
14686         Call targetm.set_up_by_prologue on it.
14687         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
14688         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
14689
14690 2012-01-17  Nick Clifton  <nickc@redhat.com>
14691
14692         * config/rx/rx.c (rx_can_use_simple_return): New function.
14693         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
14694         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
14695
14696 2012-01-17  Richard Guenther  <rguenther@suse.de>
14697
14698         PR middle-end/51782
14699         * expr.c (expand_assignment): Take address-space information
14700         from the address operand of MEM_REF and TARGET_MEM_REF.
14701         (expand_expr_real_1): Likewise.
14702
14703 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
14704
14705         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
14706         reload dump is requested.
14707
14708 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
14709
14710         PR other/51165
14711         * trans-mem.c (requires_barrier): Call may_be_aliased.
14712
14713 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
14714
14715         PR tree-optimization/51877
14716         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
14717         call arguments and fndecls compare equal, instead return false if they
14718         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
14719         both SSA_NAMEs that are valueized the same, or they satisfy
14720         operand_equal_p.
14721
14722 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
14723
14724         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
14725         Solaris 11+.
14726         * configure: Regenerate.
14727
14728 2012-01-16  Jan Hubicka  <jh@suse.cz>
14729
14730         PR c/12245
14731         PR c++/14179
14732         * convert.c (convert_to_integer): Use fold_convert for
14733         converting an INTEGER_CST to integer type.
14734
14735 2012-01-16  Jason Merrill  <jason@redhat.com>
14736
14737         PR c++/14179
14738         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
14739
14740 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
14741
14742         PR bootstrap/51860
14743         * config/s390/s390.c (s390_chunkify_start): Don't skip
14744         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
14745         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
14746         If insn is followed by NOTE_INSN_VAR_LOCATION or
14747         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
14748         Don't use location of note insns.
14749
14750         PR tree-optimization/51865
14751         * tree-inline.c (tree_function_versioning): Call remap_decl
14752         on DECL_RESULT whenever it has VOID_TYPE_P type.
14753
14754 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
14755
14756         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
14757         for calls to locally-binding MIPS16 functions if only the return
14758         type uses float regs.
14759
14760 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
14761             Richard Sandiford  <rdsandiford@googlemail.com>
14762
14763         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
14764         (SYMBOL_32_HIGH): Likewise.
14765         (mips_output_tls_reloc_directive): Declare.
14766         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
14767         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
14768         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
14769         (mips_lo_relocs, mips_hi_relocs): Make extern.
14770         (mips16_stub_function): Move up file.
14771         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
14772         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
14773         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
14774         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
14775         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
14776         (mips_get_tp): Add MIPS16 support.
14777         (mips_legitimize_tls_address): Remove MIPS16 sorry().
14778         Generalize DTPREL and TPREL handling.
14779         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
14780         Add MIPS16 TLS support.
14781         (mips_output_tls_reloc_directive): New function.
14782         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
14783         * config/mips/predicates.md (symbolic_operand_with_high)
14784         (tls_reloc_operand): New predicates.
14785         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
14786         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
14787         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
14788         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
14789         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
14790         (*tls_get_tp_mips16_call_<mode>): Likewise.
14791
14792 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
14793
14794         PR rtl-optimization/51821
14795         * recog.c (peep2_find_free_register): Determine clobbered registers
14796         from insn pattern.
14797
14798 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
14799
14800         PR target/50925
14801         * config/avr/avr-protos.h: Revert change of 2012-01-09.
14802         * config/avr/avr.c: Likewise.
14803         * config/avr/avr.h: Likewise.
14804
14805 2012-01-13  Ian Lance Taylor  <iant@google.com>
14806
14807         PR c++/50012
14808         * tree.h (TYPE_QUALS): Add cast to int.
14809         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
14810
14811 2012-01-13  Ian Lance Taylor  <iant@google.com>
14812
14813         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
14814         comparing param_index to VEC_length result.
14815
14816 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
14817
14818         * c-decl.c: Do not include tree-mudflap.h
14819         * tree-optimize.c: Likewise.
14820         * Makefile.in: Update dependencies.
14821
14822 2012-01-13  Richard Guenther  <rguenther@suse.de>
14823
14824         PR middle-end/8081
14825         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
14826         variable-sized result always use RSO.
14827
14828 2012-01-12  DJ Delorie  <dj@redhat.com>
14829
14830         * cfgexpand.c (convert_debug_memory_address): Allow any valid
14831         pointer type, not just the default pointer type.
14832
14833 2012-01-09  Richard Henderson  <rth@redhat.com>
14834             Denis Chertykov  <chertykov@gmail.com>
14835
14836         PR target/50925
14837         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
14838         * config/avr/avr.c (avr_can_eliminate): Simplify.
14839         (avr_initial_elimination_offset): Likewise.
14840         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
14841         (expand_epilogue): Likewise.
14842         (avr_legitimize_address): Gut.
14843         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
14844         (avr_hard_regno_nregs): New.
14845         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
14846         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
14847         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
14848         add soft frame pointer.
14849         (CALL_USED_REGISTERS): Likewise.
14850         (REG_CLASS_CONTENTS): Likewise.
14851         (REGISTER_NAMES): Likewise.
14852         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
14853         (HARD_FRAME_POINTER_REGNUM): New.
14854         (FRAME_POINTER_REGNUM): Use soft frame pointer.
14855         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
14856         remove the HARD_FRAME_POINTER self-elimination.
14857
14858 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
14859
14860         PR target/51756
14861         * config/avr/avr.c (avr_encode_section_info): Test for absence of
14862         DECL_EXTERNAL when checking for initializers of progmem variables.
14863
14864 2012-01-12  Ira Rosen  <irar@il.ibm.com>
14865
14866         PR tree-optimization/51799
14867         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
14868         that the last operation is a type demotion.
14869
14870 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
14871
14872         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
14873         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
14874
14875 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
14876
14877         PR bootstrap/51796
14878         * combine.c (distribute_notes): If i3 is a noreturn call,
14879         allow old_size to be equal to args_size and make sure the
14880         noreturn call gets REG_ARGS_SIZE note.
14881         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
14882         on noreturn calls even when the delta is 0.
14883
14884 2012-01-11  Nathan Sidwell  <nathan@acm.org>
14885
14886         * gcov.c (STRING_SIZE): Remove.
14887         (generate_results): Erase annotations for source files with no
14888         coverage information.
14889         (read_line): New.
14890         (output_lines): Use it.
14891
14892 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
14893
14894         * gimple.h (gimplify_body): Remove first argument.
14895         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
14896         pointer set here, instead just pass DATA to walk_tree.
14897         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
14898         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
14899         (unvisit_body): Likewise, but with unmark_visited.
14900         (gimplify_body): Remove BODY_P argument and adjust.
14901         (gimplify_function_tree): Adjust call to gimplify_body.
14902         * omp-low.c (finalize_task_copyfn): Likewise.
14903
14904 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
14905
14906         * tree.h (build_function_decl_skip_args): Add boolean parameter.
14907         (build_function_type_skip_args): Delete.
14908         * tree.c (build_function_type_skip_args): Make static and add
14909         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
14910         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
14911         pass it to build_function_type_skip_args.
14912         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
14913         (tree_function_versioning): Likewise.
14914         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
14915         build_function_decl_skip_args.
14916         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
14917         and pass it to build_function_decl_skip_args/tree_function_versioning.
14918         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
14919         * ipa-inline-transform.c (save_inline_function_body): Likewise.
14920         * trans-mem.c (ipa_tm_create_version): Likewise.
14921         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
14922         * tree-inline.c (declare_return_variable): Remove always-true test.
14923         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
14924         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
14925         * ipa-split.c (split_function): Skip the return value for the split
14926         part if it doesn't return.
14927
14928 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
14929
14930         PR tree-optimization/49642
14931         * ipa-split.c (forbidden_dominators): New variable.
14932         (check_forbidden_calls): New function.
14933         (dominated_by_forbidden): Likewise.
14934         (consider_split): Check for forbidden dominators.
14935         (execute_split_functions): Initialize and free forbidden
14936         dominators info; call check_forbidden_calls.
14937
14938 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
14939
14940         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
14941
14942 2012-01-11  Nick Clifton  <nickc@redhat.com>
14943
14944         * config/rx/rx.md (return): Define pattern.
14945
14946 2012-01-11  Richard Guenther  <rguenther@suse.de>
14947
14948         * doc/extend.texi (malloc attribute): Adjust according to
14949         implementation.
14950
14951 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
14952             Patrick Marlier  <patrick.marlier@gmail.com>
14953
14954         PR middle-end/51516
14955         * trans-mem.c (get_cg_data): Traverse aliases if requested.
14956         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
14957         (ipa_tm_note_irrevocable): Same.
14958         (ipa_tm_scan_irr_block): Same.
14959         (ipa_tm_decrement_clone_counts): Same.
14960         (ipa_tm_scan_irr_function): Same.
14961         (ipa_tm_create_version_alias): Same.
14962         (ipa_tm_create_version): Same.
14963         (ipa_tm_transform_calls_redirect): Same.
14964         (ipa_tm_transform_calls): Same.
14965         (ipa_tm_transform_transaction): Same.
14966         (ipa_tm_execute): Same.
14967
14968 2012-01-10  Richard Guenther  <rguenther@suse.de>
14969
14970         PR middle-end/51806
14971         * opts.c (common_handle_option): Handle -Werror.
14972
14973 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
14974
14975         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
14976         operand number.
14977
14978 2012-01-10  Jason Merrill  <jason@redhat.com>
14979
14980         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
14981         information.
14982
14983 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
14984
14985         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
14986         supports R_386_TLS_GD_PLT reloc.
14987         (gcc_cv_as_ix86_tlsldmplt): Check if linker
14988         supports R_386_TLS_LDM_PLT reloc.
14989         * configure: Regenerate.
14990         * config.in: Regenerate.
14991
14992 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
14993
14994         PR target/49868
14995         Extend __pgmx semantics to linearize memory.
14996         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
14997         determine if code comes inline or from libgcc.
14998         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
14999         (movmem_qi, movmem_qi): Set constraint #2 to "n".
15000         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
15001         (movmemx_qi, movmemx_hi): New insns.
15002         (xload_<mode>_libgcc): Rewrite to new insn condition.
15003         (xload_<mode>): Remove insns.
15004         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
15005         cases that don't satisfy avr_xload_libgcc_p().
15006         (avr_addr_space_convert): Allow converting in any direction.
15007         (avr_addr_space_subset_p): Return always true.
15008         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
15009         (avr_emit_movmemhi): Ditto.
15010         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
15011         (avr_out_movmem): Ditto.
15012         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
15013         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
15014         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
15015         (avr_encode_section_info): Encode 'progmem' in symbol flags.
15016         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
15017
15018 2012-01-10  Richard Guenther  <rguenther@suse.de>
15019
15020         PR tree-optimization/50913
15021         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
15022         Require data-refs to be representable by Graphite with respect
15023         to any loop nest.
15024
15025 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
15026
15027         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
15028         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
15029
15030 2012-01-10  Tom de Vries  <tom@codesourcery.com>
15031
15032         PR rtl-optimization/51271
15033         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
15034         handling annulled branch.
15035
15036 2012-01-10  Richard Henderson  <rth@redhat.com>
15037
15038         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
15039         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
15040         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
15041         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
15042         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
15043         arm_expand_vec_perm_const): New.
15044         * config/arm/arm-protos.h: Update.
15045         * config/arm/neon.md (UNSPEC_VCONCAT): New.
15046         (*neon_vswp<VDQX>): New.
15047         (neon_vcombine<VDX>): Use neon_split_vcombine.
15048         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
15049         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
15050         (vec_perm<VE>): New.
15051
15052 2012-01-10  Richard Henderson  <rth@redhat.com>
15053
15054         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
15055         use it if reload_completed.
15056         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
15057         arm_output_asm_insn, arm_process_output_memory_barrier,
15058         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
15059         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
15060         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
15061         arm_process_output_sync_insn, arm_output_sync_insn,
15062         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
15063         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
15064         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
15065         (emit_unlikely_jump): New.
15066         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
15067         (arm_split_atomic_op): New.
15068         * config/arm/arm-protos.h: Update.
15069         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
15070         (struct arm_sync_generator): Remove.
15071         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
15072         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
15073         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
15074         (VUNSPEC_LL, VUNSPEC_SC): New.
15075         (sync_result, sync_memory, sync_required_value, sync_new_value,
15076         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
15077         (attr length): Don't use arm_sync_loop_insns.
15078         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
15079         (movsfcc, movdfcc): Likewise.
15080         * config/arm/constraints.md (Ua): New.
15081         * config/arm/prediates.md (mem_noofs_operand): New.
15082         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
15083         (sync_clobber, sync_t2_reqd): Remove.
15084         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
15085         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
15086         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
15087         (arm_sync_compare_and_swap<SIDI>): Remove.
15088         (arm_sync_compare_and_swap<NARROW>): Remove.
15089         (arm_sync_lock_test_and_set<SIDI>): Remove.
15090         (arm_sync_lock_test_and_set<NARROW>): Remove.
15091         (arm_sync_new_<syncop><SIDI>): Remove.
15092         (arm_sync_new_<syncop><NARROW>): Remove.
15093         (arm_sync_new_nand<SIDI>): Remove.
15094         (arm_sync_new_nand<NARROW>): Remove.
15095         (arm_sync_old_<syncop><SIDI>): Remove.
15096         (arm_sync_old_<syncop><NARROW>): Remove.
15097         (arm_sync_old_nand<SIDI>): Remove.
15098         (arm_sync_old_nand<NARROW>): Remove.
15099         (*memory_barrier): Merge arm_output_memory_barrier.
15100         (atomic_compare_and_swap<QHSD>): New.
15101         (atomic_compare_and_swap<NARROW>_1): New.
15102         (atomic_compare_and_swap<SIDI>_1): New.
15103         (atomic_exchange<QHSD>): New.
15104         (cas_cmp_operand, cas_cmp_str): New.
15105         (atomic_op_operand, atomic_op_str): New.
15106         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
15107         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
15108         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
15109         (arm_load_exclusive<NARROW>): New.
15110         (arm_load_exclusivesi, arm_load_exclusivedi): New.
15111         (arm_store_exclusive<QHSD>): New.
15112
15113 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
15114
15115         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
15116         reload patterns if -mvsx-scalar-memory.
15117
15118         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
15119         generated, even -mno-vsx-scalar-double was used.
15120         (vsx_xscvdpsp_scalar): Likewise.
15121         (vsx_xscvspdp_scalar2): Likewise.
15122
15123 2012-01-09  Tom de Vries  <tom@codesourcery.com>
15124             Andrew Pinski  <apinski@cavium.com>
15125
15126         PR debug/51471
15127         * reorg.c (fill_slots_from_thread): Don't speculate
15128         frame-related insns.
15129
15130 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
15131
15132         * sched-int.h (bb_note): Move to...
15133         * basic-block.h: ...here.
15134         * haifa-sched.c (bb_note): Move to...
15135         * cfgrtl.c: ...here.
15136         * function.c (next_block_for_reg): New function.
15137         (move_insn_for_shrink_wrap): Likewise.
15138         (prepare_shrink_wrap): Rewrite to use the above.
15139
15140 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
15141
15142         * gimple.c (is_gimple_non_addressable): Remove.
15143         * gimple.h: Remove is_gimple_non_addressable.
15144         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
15145         is_gimple_non_addressable.
15146         * trans-mem.c (expand_assign_tm): Same.
15147
15148 2012-01-09  Richard Guenther  <rguenther@suse.de>
15149
15150         PR tree-optimization/51775
15151         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
15152         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
15153
15154 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
15155
15156         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
15157         tuning parameters.
15158         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
15159
15160 2012-01-09  Richard Guenther  <rguenther@suse.de>
15161
15162         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
15163
15164 2012-01-08  Jan Hubicka  <jh@suse.cz>
15165
15166         PR tree-optimize/51680
15167         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
15168         on when known_vals needs to be computed; cleanup.
15169
15170 2012-01-08  Jan Hubicka  <jh@suse.cz>
15171
15172         PR tree-optimize/51694
15173         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
15174
15175 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
15176
15177         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
15178         for -std=c++98 and -std=c++11 too.
15179
15180 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
15181
15182         * cfgloop.c (cancel_loop): Add free() of bbs array.
15183
15184 2012-01-07  Jan Hubicka  <jh@suse.cz>
15185
15186         PR tree-optimization/51600
15187         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
15188         that benefits small functions.
15189
15190 2012-01-07  Jan Hubicka  <jh@suse.cz>
15191
15192         * ipa-inline.c (want_inline_small_function_p): Fix formating.
15193
15194 2012-01-07  Jan Hubicka  <jh@suse.cz>
15195
15196         PR tree-optimization/51680
15197         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
15198         whose inlining reduce unit size.
15199
15200 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
15201
15202         PR bootstrap/51725
15203         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
15204         Add canonical node to containing_mem chain after the non-canonical
15205         one, even if there weren't any locs to propagate.
15206         (remove_useless_values): Keep only canonical values.
15207         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
15208         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
15209         canonicalize mem_chain elements that are not discarded.
15210
15211 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
15212
15213         PR target/47333
15214         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
15215         before emitting functions.
15216
15217         PR gcov-profile/50127
15218         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
15219         clear_aux_for_blocks.
15220
15221 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
15222
15223         PR debug/51746
15224         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
15225
15226 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
15227
15228         * c-decl.c (ext_block): Moved up.
15229         (collect_all_refs, for_each_global_decl): Take ext_block into account.
15230
15231 2012-01-06  Han Shen  <shenhan@google.com>
15232
15233         Translate built-in include paths for sysroot.
15234         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
15235         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
15236
15237         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
15238         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
15239
15240         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
15241         control whether sysroot should be prepended to gxx include dir.
15242
15243         * configure: Regenerate.
15244
15245 2012-01-06  Torvald Riegel  <triegel@redhat.com>
15246
15247         PR rtl-optimization/51771
15248         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
15249         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
15250
15251 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
15252
15253         PR tree-optimization/51315
15254         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
15255         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
15256
15257 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
15258
15259         PR target/51681
15260         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
15261         for shrp pattern.  Correctly handle and fixup shift variable.
15262         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
15263
15264 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
15265
15266         PR debug/51762
15267         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
15268         note when !ACCUMULATE_OUTGOING_ARGS.
15269
15270 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
15271
15272         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
15273         condition.
15274         (extract_range_from_unary_expr_1): Avoid useless computations.
15275
15276 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
15277
15278         PR rtl-optimization/51767
15279         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
15280         of jump_block and add an extra edge for degenerated asm gotos.
15281
15282         PR middle-end/51768
15283         * stmt.c (check_unique_operand_names): Don't ICE during error
15284         reporting if i is from labels chain.
15285
15286         PR middle-end/44777
15287         * profile.c (branch_prob): Split bbs that have exit edge
15288         and need a fake entry edge too.
15289
15290 2012-01-05  Jan Hubicka  <jh@suse.cz>
15291
15292         PR middle-end/49710
15293         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
15294         unlooping loops.
15295
15296 2012-01-05  Richard Guenther  <rguenther@suse.de>
15297
15298         PR lto/50490
15299         * tree-streamer-out.c (write_ts_optimization): New function.
15300         (streamer_write_tree_body): Call it.
15301         * tree-streamer-in.c (lto_input_ts_optimization): New function.
15302         (streamer_read_tree_body): Call it.
15303         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
15304
15305 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
15306
15307         PR middle-end/51761
15308         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
15309         * gimplify.c (gimplify_cleanup_point_expr): Save and set
15310         in_cleanup_point_expr before gimplify_stmt call and restore it
15311         afterwards.
15312         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
15313         in_cleanup_point_expr is false.
15314
15315 2012-01-05  Richard Guenther  <rguenther@suse.de>
15316
15317         PR middle-end/51764
15318         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
15319         to c.opt.
15320         * toplev.c (process_options): Reject combining mudflap and LTO.
15321         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
15322
15323 2012-01-05  Richard Guenther  <rguenther@suse.de>
15324
15325         PR tree-optimization/51760
15326         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
15327         not VARYING.
15328         (bit_value_unop): Handle UNDEFINED operands.
15329         (bit_value_binop): Likewise.
15330
15331 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
15332
15333         * config/avr/avr.c (avr_replace_prefix): Remove.
15334         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
15335         (avr_asm_function_rodata_section): Ditto.
15336         (avr_asm_select_section): Ditto.
15337
15338 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
15339
15340         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
15341         insertion.
15342
15343 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
15344
15345         PR bootstrap/51648
15346         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
15347         calls that have any non-fake successor edges.
15348
15349         PR debug/51746
15350         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
15351
15352 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
15353
15354         PR tree-optimization/51624
15355         * tree-sra.c (build_ref_for_model): When replicating a chain of
15356         COMPONENT_REFs, stop as soon as the offset would become negative.
15357
15358 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
15359
15360         PR debug/51695
15361         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
15362         in .debug_loc on the floor.
15363
15364 2012-01-04  Andrew Pinski  <apinski@cavium.com>
15365
15366         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
15367
15368 2012-01-04  Andrew Pinski  <apinski@cavium.com>
15369             Adam Nemet  <anemet@caviumnetworks.com>
15370
15371         * config/mips/mips.md (size): Add SI and DI.
15372         (SIZE): New mode attribute.
15373         (U): New code attribute.
15374         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
15375         (mips_lbux_<mode>): Delete.
15376         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
15377         (mips_lhx): Use gen_mips_lhx_extsi.
15378         (mips_lhx_<mode>): Delete.
15379         (mips_lwx): Delete.
15380         (mips_l<size>x): New expand.
15381         (mips_lwx_<mode>): Delete.
15382         (mips_l<GPR:size>x_<P:mode>): New pattern.
15383         (*mips_lw<u>x_<P:mode>_ext): Likewise.
15384         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
15385         * config/mips/mips.c (mips_lx_address_p): New function.
15386         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
15387         (dsp64): New availability predicate.
15388         (mips_builtins): Add an entry for __builtin_mips_ldx.
15389         * config/mips/mips.h (ISA_HAS_LBX): New define.
15390         (ISA_HAS_LBUX): Likewise.
15391         (ISA_HAS_LHX): Likewise.
15392         (ISA_HAS_LHUX): Likewise.
15393         (ISA_HAS_LWX): Likewise.
15394         (ISA_HAS_LWUX): Likewise.
15395         (ISA_HAS_LDX): Likewise.
15396         * doc/extend.texi (__builtin_mips_ldx): Document.
15397
15398 2012-01-04  Tristan Gingold  <gingold@adacore.com>
15399
15400         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
15401         when long pointers are used.
15402         * config.build (*-*-*vms*): Handle all OpenVMS targets.
15403         (alpha64-dec-*vms*, alpha*-dec-*vms*)
15404         (ia64-hp-*vms*): Remove.
15405         * config/vms/xm-vms64.h: Delete.
15406
15407 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
15408
15409         PR middle-end/51472
15410         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
15411
15412 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
15413
15414         * opts.c (finish_options): Remove duplicate sorry.
15415
15416 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
15417
15418         PR middle-end/51696
15419         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
15420         correctly.
15421
15422 2012-01-04  Richard Guenther  <rguenther@suse.de>
15423
15424         PR middle-end/51750
15425         * tree.c (size_low_cst): New function.
15426         * tree.h (size_low_cst): Declare.
15427         * fold-const.c (fold_comparison): Use it to extract the low
15428         part of the POINTER_PLUS_EXPR offset.
15429
15430 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
15431
15432         Fix clearing ZERO_REG
15433         * config/avr/avr.md (cc): Add alternative "ldi".
15434         (movqi_insn): Use it in cc attribute.
15435         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
15436         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
15437         (output_reload_insisf): Use ZERO_REG to pre-clear register.
15438
15439 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
15440
15441         * configure: Regenerate.
15442
15443 2012-01-04  Richard Guenther  <rguenther@suse.de>
15444
15445         PR tree-optimization/49651
15446         * tree-ssa-structalias.c (type_can_have_subvars): New function.
15447         (var_can_have_subvars): Use it.
15448         (get_constraint_for_1): Only consider subfields if there can be any.
15449
15450 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
15451
15452         PR bootstrap/51725
15453         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
15454         to its new canonical_cselib_val and the cselib_val was in
15455         first_containing_mem chain, but the canonical_cselib_val was not,
15456         add the latter into the chain.
15457         (cselib_invalidate_mem): Compare canonical_cselib_val of
15458         addr_list chain elt with v.
15459
15460         PR pch/51722
15461         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
15462         dwarf2out_undef): Allocate e.info using ggc_strdup instead
15463         of xstrdup.
15464         (output_macinfo_op): Don't ggc_strdup fd->filename.
15465         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
15466         then ggc_strdup it.  Don't free inc->info or cur->info.
15467         (output_macinfo): Don't free ref->info or file->info.
15468
15469 2012-01-03  Ira Rosen  <irar@il.ibm.com>
15470
15471         PR tree-optimization/51269
15472         * tree-vect-loop-manip.c (set_prologue_iterations): Make
15473         first_niters a pointer.
15474         (slpeel_tree_peel_loop_to_edge): Likewise.
15475         (vect_do_peeling_for_loop_bound): Update call to
15476         slpeel_tree_peel_loop_to_edge.
15477         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
15478         here.  Remove it from the parameters list.
15479         (vect_do_peeling_for_alignment): Update calls and compute
15480         wide_prolog_niters.
15481
15482 2012-01-03  Richard Guenther  <rguenther@suse.de>
15483
15484         PR tree-optimization/51070
15485         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
15486         Properly handle calls.
15487
15488 2012-01-03  Richard Guenther  <rguenther@suse.de>
15489
15490         PR tree-optimization/51692
15491         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
15492         the LHS of allocation stmts.
15493
15494 2012-01-03  Olivier Hainque  <hainque@adacore.com>
15495
15496         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
15497
15498 2012-01-03  Olivier Hainque  <hainque@adacore.com>
15499
15500         * collect2.c (main): In AIX specific computations for vector
15501         insertions, use CONST_CAST2 to cast from char ** to const char **.
15502
15503 2012-01-03  Richard Guenther  <rguenther@suse.de>
15504
15505         PR debug/51650
15506         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
15507         the context of a limbo DIE when it does not already exist.
15508
15509 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
15510
15511         PR tree-optimization/51719
15512         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
15513         but direct call is, clear direct call's lhs and don't add fallthrough
15514         edge from dcall_bb to join_bb and PHIs.
15515
15516 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
15517
15518         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
15519         the instructions emitted by the pattern.
15520         ("*TDC_insn_<mode>"): Add comment.
15521
15522 2012-01-03  Richard Guenther  <rguenther@suse.de>
15523
15524         PR middle-end/51730
15525         * fold-const.c (fold_comparison): Properly canonicalize
15526         tree offset and HOST_WIDE_INT bit position.
15527
15528 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
15529
15530         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
15531         operands for extzv pattern.
15532
15533 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
15534
15535         PR bootstrap/51725
15536         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
15537         on mem_elt first.
15538
15539 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
15540
15541         * doc/invoke.texi (-flto and related options): Copy-edit.
15542
15543 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
15544
15545         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
15546
15547 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
15548
15549         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
15550         New patterns.
15551
15552 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
15553
15554         * expr.h (move_by_pieces_ninsns): Declare.
15555         * expr.c (move_by_pieces_ninsns): Make external.
15556         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
15557         (mips_store_by_pieces_p): Likewise.
15558         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
15559         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
15560         * config/mips/mips.c (mips_move_by_pieces_p): New function.
15561         (mips_store_by_pieces_p): Likewise.
15562
15563 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
15564
15565         * passes.c (register_one_dump_file): Free full_name.
15566
15567         * reload1.c (reload): Don't allocate reg_max_ref_width here.
15568         (calculate_elim_costs_all_insns): Free offsets_at and
15569         offsets_known_at at the end and clear the pointers.
15570
15571 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
15572
15573         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
15574         this option introduced in r180739.
15575
15576 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
15577
15578         PR target/51345
15579         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
15580         (tmake_file target=avr): Add avr/t-multilib.
15581
15582         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
15583         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
15584         * config/avr/genmultilib.awk: New file.
15585         * config/avr/t-multilib: New auto-generated file.
15586         * config/avr/multilib.h: New auto-generated file.
15587         * config/avr/t-avr (AVR_MCUS): New variable.
15588         (genopt.sh): Use it.
15589         (s-mlib): Depend on t-multilib.
15590         (t-multilib, multilib.h): New dependencies.
15591         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
15592         (MULTILIB_OPTIONS): Remove.
15593         (MULTILIB_MATCHES): Remove.
15594         (MULTILIB_DIRNAMES): Remove.
15595         (MULTILIB_EXCEPTIONS): Remove:
15596         * config/avr/genopt.sh: Don't use hard coded file name;
15597         pass AVR_MCUS from t-avr instead.
15598
15599 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
15600
15601         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
15602
15603 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
15604
15605         Implement light-weight DImode support.
15606         * config/avr/avr-dimode.md: New file.
15607         * config/avr/avr.md: Include it.
15608         (adjust_len): Add plus64, compare64.
15609         (HIDI): Remove code iterator.
15610         (code_stdname): New code attribute.
15611         (rotx, rotsmode): Remove DI.
15612         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
15613         as code iterator.
15614         * config/avr/avr-protos.h (avr_have_dimode): New.
15615         (avr_out_plus64, avr_out_compare64): New.
15616         * config/avr/avr.c (avr_out_compare): Handle DImode.
15617         (avr_have_dimode): New variable definition and initialization.
15618         (avr_out_compare64, avr_out_plus64): New functions.
15619         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
15620         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
15621         (avr_compare_pattern): Skip DImode comparisons.
15622
15623 2012-01-02  Revital Eres  <revital.eres@linaro.org>
15624
15625         * ddg.c (def_has_ccmode_p): New function.
15626         (add_cross_iteration_register_deps,
15627         create_ddg_dep_from_intra_loop_link): Call it.
15628
15629 2012-01-02  Richard Guenther  <rguenther@suse.de>
15630
15631         PR other/51679
15632         * invoke.texi (fassociative-math): Remove spurious paranthesis.
15633
15634 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
15635
15636         * gcc.c (process_command): Update copyright notice dates.
15637         * gcov.c (print_version): Likewise.
15638         * gcov-dump.c (print_version): Likewise.
15639         * mips-tfile.c (main): Likewise.
15640         * mips-tdump.c (main): Likewise.
15641
15642 2012-01-01  Ira Rosen  <irar@il.ibm.com>
15643
15644         PR tree-optimization/51704
15645         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
15646         a use is inside the basic block or loop before accessing its vect info.
15647
15648 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
15649
15650         PR rtl-optimization/51069
15651         * cfgloopmanip.c (remove_path): Removing path making irreducible
15652         region unconditional makes BB part of the region.
15653
15654 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
15655
15656         PR tree-optimization/51683
15657         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
15658         calls with side-effects.
15659         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
15660 \f
15661 Copyright (C) 2012 Free Software Foundation, Inc.
15662
15663 Copying and distribution of this file, with or without modification,
15664 are permitted in any medium without royalty provided the copyright
15665 notice and this notice are preserved.