gcc/ChangeLog

   1 2012-04-06  Mike Stump  <mikestump@comcast.net>
   2
   3         * gimple-fold.c (gimple_fold_stmt_to_constant_1): Avoid warning.
   4
   5 2012-04-06  Oleg Endo  <olegendo@gcc.gnu.org>
   6
   7         * config/sh/sh.c (hi_const): Remove.
   8         (find_barrier, sh_reorg): Use satisfies_constraint_I16 instead
   9         of hi_const.
  10
  11 2012-04-06  Oleg Endo  <olegendo@gcc.gnu.org>
  12
  13         * config/sh/sh-protos.h (sh_expand_t_scc): Change return type from int
  14         to bool.
  15         * config/sh/sh.c (sh_expand_t_scc): Likewise.
  16         * config/sh/sh.md (cstoresi4, cstoredi4): Remove GET_CODE checks before
  17         calling sh_expand_t_scc.
  18
  19 2012-04-06  Oleg Endo  <olegendo@gcc.gnu.org>
  20
  21         * config/sh/sh-protos.h (fp_zero_operand, fp_one_operand,
  22         nonpic_symbol_mentioned_p, expand_block_move, expand_ashiftrt,
  23         sh_dynamicalize_shift_p, gen_shl_and, gen_shl_sext, system_reg_operand,
  24         reg_unused_after, sh_can_redirect_branch, sh_need_epilogue, fldi_ok,
  25         sh_hard_regno_rename_ok, sh_cfun_interrupt_handler_p,
  26         sh_cfun_resbank_handler_p, sh_attr_renesas_p, sh_cfun_attr_renesas_p,
  27         check_use_sfunc_addr, sh_contains_memref_p, sh_loads_bankedreg_p,
  28         sh2a_is_function_vector_call): Use bool as return type.
  29         (sh_pass_in_reg_p): Remove.
  30         * config/sh/sh.c (broken_move, mova_p, noncall_uses_reg, high_pressure,
  31         flow_dependent_p, sh2a_function_vector_p, expand_block_move,
  32         expand_ashiftrt, sh_dynamicalize_shift_p, gen_shl_and, gen_shl_sext,
  33         sh_need_epilogue, sh2a_is_function_vector_call, sh_attr_renesas_p,
  34         sh_cfun_attr_renesas_p, sh_cfun_interrupt_handler_p,
  35         sh_cfun_resbank_handler_p, system_reg_operand, fp_zero_operand,
  36         fp_one_operand, fldi_ok, reg_unused_after, sh_can_redirect_branch,
  37         sh_hard_regno_rename_ok, check_use_sfunc_addr, sh_contains_memref_p,
  38         sh_loads_bankedreg_p): Use bool as return type.
  39         (nonpic_symbol_mentioned_p): Use bool as return type.  Remove
  40         'register' modifier.
  41
  42 2012-04-06  Matt Turner  <mattst88@gmail.com>
  43
  44         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
  45
  46 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
  47
  48         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
  49         of the destination isn't also a FP_REGS register.
  50
  51 2012-04-05  Teresa Johnson  <tejohnson@google.com>
  52             H.J. Lu  <hongjiu.lu@intel.com>
  53
  54         * config/i386/i386.h (ix86_tune_indices): Add
  55         X86_TUNE_LCP_STALL.
  56         * config/i386/i386.md (move immediate to memory peephole2):
  57         Add cases for HImode move when LCP stall avoidance is needed.
  58         * config/i386/i386.c (initial_ix86_tune_features): Initialize
  59         X86_TUNE_LCP_STALL entry.
  60
  61 2012-04-05  Uros Bizjak  <ubizjak@gmail.com>
  62
  63         PR target/52882
  64         * config/i386/i386.c (ix86_decompose_address): Allow VOIDmode
  65         CONST_INT operands, zero-extended with AND.
  66
  67 2012-04-05  Oleg Endo  <olegendo@gcc.gnu.org>
  68
  69         PR target/50751
  70         * config/sh/sh.c (sh_find_mov_disp_adjust): Take machine_mode as the
  71         first argument instead of mode size.  Move displacement calculations
  72         to ...
  73         (mov_insn_size, max_mov_insn_displacement, mov_insn_alignment_mask):
  74         ... these new functions.
  75         (disp_adjust): Remove max_mov_disp field.
  76         (sh_legitimate_index_p): Use max_mov_insn_displacement and
  77         mov_insn_alignment_mask.
  78         (sh_address_cost): Use max_mov_insn_displacement.
  79
  80 2012-04-05  Andrew Stubbs  <ams@codesourcery.com>
  81
  82         * config/arm/arm.md (arch): Add neon_onlya8 and neon_nota8.
  83         (arch_enabled): Handle new arch types.
  84         (one_cmpldi2): Add NEON support.
  85
  86 2012-04-05  Richard Guenther  <rguenther@suse.de>
  87
  88         * gimple.c (walk_gimple_op): Compute val_only for the LHS
  89         of an assigment in the canonical way, avoiding is_gimple_mem_rhs.
  90         (is_gimple_mem_rhs, is_gimple_reg_rhs, is_gimple_stmt): Move ...
  91         * gimplify.c (is_gimple_mem_rhs, is_gimple_reg_rhs, is_gimple_stmt):
  92         ... here and make static.
  93         * gimple.h (is_gimple_mem_rhs, is_gimple_reg_rhs, is_gimple_stmt):
  94         Remove.
  95
  96 2012-04-05  Richard Guenther  <rguenther@suse.de>
  97
  98         * tree-ssa-dse.c (dse_optimize_stmt): Remember the stmt
  99         basic-block before removing it.
 100
 101 2012-04-05  Richard Guenther  <rguenther@suse.de>
 102
 103         * tree-ssanames.c (release_dead_ssa_names): Compact the SSA
 104         version namespace as we release the freelist.
 105
 106 2012-04-05  Richard Guenther  <rguenther@suse.de>
 107
 108         * tree-nrv.c (tree_nrv): Release VDEFs.
 109         * tree-sra.c (sra_modify_constructor_assign): Likewise.
 110         (sra_modify_assign): Likewise.
 111         * tree-vect-stmts.c (vect_remove_stores): Likewise.
 112         * tree-vect-loop.c (vect_transform_loop): Likewise.
 113         * tree-ssa-dom.c (optimize_stmt): Likewise.
 114         * tree-vect-slp.c (vect_schedule_slp): Likewise.
 115         * tree-ssa-math-opts.c (execute_cse_sincos): Likewise.
 116
 117 2012-04-05  Richard Guenther  <rguenther@suse.de>
 118
 119         * gimple-iterator.c (gsi_remove): Return whether EH edges need to be
 120         cleanup.
 121         * gimple.h (gsi_remove): Adjust.
 122         * tree-ssa-operands.c (unlink_stmt_vdef): Optimize.
 123         * tree-ssa-dom.c (optimize_stmt): Use gsi_remove result.
 124         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
 125         * tree-ssa-forwprop.c (remove_prop_source_from_use): Likewise.
 126         * tree-ssa-math-opts.c (execute_optimize_widening_mul): Likewise.
 127         * tree-ssa-pre.c (eliminate): Likewise.
 128
 129 2012-04-04  Mike Stump  <mikestump@comcast.net>
 130
 131         * doc/rtl.texi (const_double): Document as sign-extending.
 132         * expmed.c (expand_mult): Ensure we don't use shift
 133         incorrectly.
 134         * emit-rtl.c (immed_double_int_const): Refine to state the
 135         value is signed.
 136         * simplify-rtx.c (mode_signbit_p): Add a fixme for wider than
 137         CONST_DOUBLE integers.
 138         (simplify_const_unary_operation, UNSIGNED_FLOAT): Ensure no
 139         negative values are converted.  Fix conversions bigger than
 140         HOST_BITS_PER_WIDE_INT.
 141         (simplify_binary_operation_1): Ensure we don't use shift
 142         incorrectly.
 143         (simplify_immed_subreg): Sign-extend CONST_DOUBLEs.
 144         * explow.c (plus_constant_mode): Add.
 145         (plus_constant): Implement with plus_constant_mode.
 146         * rtl.h (plus_constant_mode): Add.
 147
 148 2012-04-04  Richard Guenther  <rguenther@suse.de>
 149
 150         PR tree-optimization/52808
 151         * tracer.c (tail_duplicate): Do not tail-duplicate loop header
 152         blocks.
 153         * Makefile.in (tracer.o): Depend on $(CFGLOOP_H).
 154
 155 2012-04-04  Tristan Gingold  <gingold@adacore.com>
 156
 157         * expr.c (expand_expr_real_2): Handle larger sizetype in
 158         POINTER_PLUS_EXPR.
 159
 160 2012-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
 161
 162         * config/sh/t-sh (MULTILIB_MATCHES): Match m2a-single-only
 163         to m2a-single instead of m2e.
 164
 165 2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
 166
 167         * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
 168         Change type of BITOFFSET to signed.  Make sure the lower bound of
 169         the computed range is non-negative by adjusting OFFSET and BITPOS.
 170         (expand_assignment): Adjust call to get_bit_range.
 171
 172 2012-04-03  Sandeep Kumar Singh  <Sandeep.Singh2@kpitcummins.com>
 173
 174         * h8300/h8300.c (h8300_current_function_monitor_function_p):
 175         New function. Added to check monitor functions.
 176         (h8300_option_override): Modified to generate error/warning
 177         messages for invalid combinations of different command line
 178         options.
 179         * h8300/h8300.md: Generate 'rte' for monitor functions. Do not
 180         save EXR on stack for monitor function in case of H8S target
 181         when "-mno-exr" is passed.
 182         * h8300/h8300-protos.h
 183         (h8300_current_function_monitor_function_p): Add prototype.
 184         * doc/invoke.texi: Document H8S options.
 185
 186 2012-04-03  Tristan Gingold  <gingold@adacore.com>
 187
 188         * configure.ac: Use GCC_AC_FUNC_MMAP_BLACKLIST instead
 189         of gcc_AC_FUNC_MMAP_BLACKLIST.
 190         * acinclude.m4 (gcc_AC_FUNC_MMAP_BLACKLIST): Remove.
 191         * Makefile.in (aclocal_deps): Add mmap.m4.
 192         * configure: Regenerate.
 193         * aclocal.m4: Regenerate.
 194
 195 2012-04-03  Richard Guenther  <rguenther@suse.de>
 196
 197         PR tree-optimization/52808
 198         * tracer.c (tail_duplicate): Return whether we have duplicated
 199         any block.
 200         (tracer): If we have duplicated any block, cleanup the CFG.
 201         * cfghooks.c (duplicate_block): If we duplicated a loop
 202         header but not its loop, destroy the loop because it now has
 203         multiple entries.
 204         * tree-ssa-threadupdate.c (thread_through_loop_header): Tell
 205         the cfg manipulation routines we are not creating a multiple
 206         entry loop.
 207
 208 2012-04-03  Tristan Gingold  <gingold@adacore.com>
 209
 210         * config/vms/vms-c.c (vms_pragma_nomember_alignment): Handle
 211         'byte' alignment.
 212         (vms_c_common_override_options): Allow parameterless variadic
 213         functions.
 214
 215 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
 216
 217         PR tree-optimization/52835
 218         * tree-data-ref.c (build_rdg): Return NULL if
 219         compute_data_dependences_for_loop failed.
 220
 221 2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
 222
 223         * varasm.c (initializer_constant_valid_for_bitfield_p): Return true
 224         for REAL_CST as well.
 225         (output_constructor): Use RECORD_OR_UNION_TYPE_P predicate.
 226         In the bitfield case, if the value is a REAL_CST, convert it first to
 227         an INTEGER_CST.
 228
 229 2012-04-02  H.J. Lu  <hongjiu.lu@intel.com>
 230
 231         * config.gcc: Use i386/biarchx32.h instead of i386/biarch64.h
 232         for --with-abi={x32|mx32} or --with-multilib-list=mx32.
 233         (supported_defaults): Add abi for i[34567]86-*-* and x86_64-*-*.
 234
 235         * config/i386/biarchx32.h: New.
 236
 237 2012-04-02  Anatoly Sokolov  <aesok@post.ru>
 238
 239         * config/arm/arm.h (PREFERRED_RELOAD_CLASS): Remove.
 240         * config/arm/arm.c (TARGET_PREFERRED_RELOAD_CLASS): Define.
 241         (arm_preferred_reload_class): New function.
 242
 243 2012-04-02  Richard Guenther  <rguenther@suse.de>
 244
 245         PR tree-optimization/52756
 246         * tree-ssa-threadupdate.c (def_split_header_continue_p): New function.
 247         (thread_through_loop_header): After threading through the loop latch
 248         remove the split part from the loop and clear further threading
 249         opportunities that would create a multiple entry loop.
 250
 251 2012-04-02  Richard Guenther  <rguenther@suse.de>
 252
 253         PR rtl-optimization/52800
 254         * cprop.c (execute_rtl_cprop): Call cleanup_cfg with
 255         CLEANUP_CFG_CHANGED.
 256
 257 2012-04-02  Richard Guenther  <rguenther@suse.de>
 258
 259         PR middle-end/52803
 260         * loop-init.c (gate_handle_loop2): Destroy loops here if
 261         we don't enter RTL loop optimizers.
 262
 263 2012-04-02  Uros Bizjak  <ubizjak@gmail.com>
 264
 265         Partially revert:
 266         2012-03-29  Richard Guenther  <rguenther@suse.de>
 267
 268         * rtl.h (extended_count): Remove.
 269         * combine.c (extended_count): Remove.
 270
 271 2012-04-02  Dodji Seketeli  <dodji@redhat.com>
 272
 273         PR c++/40942
 274         * pt.c (more_specialized_fn):  Don't apply decay conversion to
 275         types of function parameters.
 276
 277 2012-04-02  Tristan Gingold  <gingold@adacore.com>
 278
 279         * ggc-page.c (PAGE_L1_SIZE, PAGE_L2_SIZE, LOOKUP_L1, LOOKUP_L2)
 280         (ggc_allocated_p, lookup_page_table_entry, set_page_table_entry)
 281         (alloc_page, init_ggc, clear_marks, struct ggc_pch_data)
 282         (ggc_pch_this_base): Use uintptr_t instead of size_t.
 283
 284 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
 285
 286         PR bootstrap/52784
 287         * config/i386/i386.c (ix86_option_override_internal): Don't
 288         check TARGET_64BIT if TARGET_64BIT_DEFAULT is false.
 289
 290 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
 291
 292         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
 293         (stmt_can_make_abnormal_goto): Use it.
 294         (is_ctrl_altering_stmt): Likewise.
 295
 296 2012-03-30  Naveen H.S  <naveen.S@kpitcummins.com>
 297             Kaz Kojima  <kkojima@gcc.gnu.org>
 298
 299         * config/sh/sh.c (push_regs): Skip banked registers when
 300         resbank attribute is specified.
 301         (sh_expand_epilogue): Likewise.
 302
 303 2012-03-30  Richard Henderson  <rth@redhat.com>
 304
 305         PR debug/52727
 306         * combine-stack-adj.c (prev_active_insn_bb): New.
 307         (next_active_insn_bb): New.
 308         (force_move_args_size_note): New.
 309         (combine_stack_adjustments_for_block): Use it.
 310
 311 2012-03-30  Richard Henderson  <rth@redhat.com>
 312
 313         * config/i386/i386.c (struct expand_vec_perm_d): Add one_operand_p.
 314         (ix86_expand_vector_init_duplicate): Initialize it.
 315         (expand_vec_perm_palignr): Likewise.
 316         (ix86_expand_vec_perm_const): Likewise.
 317         (ix86_vectorize_vec_perm_const_ok): Likewise.
 318         (expand_vec_perm_blend): Use it.
 319         (expand_vec_perm_vpermil): Likewise.
 320         (expand_vec_perm_pshufb): Likewise.
 321         (expand_vec_perm_1): Likewise.
 322         (expand_vec_perm_pshuflw_pshufhw): Likewise.
 323         (expand_vec_perm_interleave2): Likewise.
 324         (expand_vec_perm_vpermq_perm_1): Likewise.
 325         (expand_vec_perm_vperm2f128): Likewise.
 326         (expand_vec_perm_interleave3): Likewise.
 327         (expand_vec_perm_vperm2f128_vblend): Likewise.
 328         (expand_vec_perm_vpshufb2_vpermq): Likewise.
 329         (expand_vec_perm_vpshufb2_vpermq_even_odd): Likewise,.
 330         (expand_vec_perm_broadcast): Likewise.
 331         (expand_vec_perm_vpshufb4_vpermq2): Likewise.
 332
 333 2012-03-30  Richard Henderson  <rth@redhat.com>
 334
 335         * dwarf2out.c (gen_variable_die): Initialize off.
 336
 337 2012-03-30  Tristan Gingold  <gingold@adacore.com>
 338
 339         * config/vms/vms-f.c: New file.
 340         * config/vms/t-vms (vms-f.o): New rule.
 341         * config.gcc (*-*-*vms*): Define fortran_target_objs.
 342
 343 2012-03-30  Richard Guenther  <rguenther@suse.de>
 344
 345         PR tree-optimization/52754
 346         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
 347         propagate arbitrary addresses into really plain dereferences.
 348
 349 2012-03-30  Richard Guenther <rguenther@suse.de>
 350
 351         PR middle-end/52772
 352         * except.c (emit_to_new_bb_before): Move loop updating ...
 353         (dw2_build_landing_pads): ... here.  Use a proper block for
 354         querying the loop father.
 355
 356 2012-03-30  Tristan Gingold  <gingold@adacore.com>
 357
 358         * config/ia64/ia64.c (ia64_section_type_flags): Remove
 359         common_object attribute handling.
 360         (SECTION_VMS_OVERLAY): Remove
 361         (ia64_vms_common_object_attribute): Replace abort with an assert.
 362         Do not set DECL_SECTION_NAME.
 363         (ia64_vms_output_aligned_decl_common): Handle common_object
 364         attribute.
 365         (ia64_vms_elf_asm_named_section): Remove.
 366         * config/ia64/vms.h (TARGET_ASM_NAMED_SECTION): Remove.
 367
 368 2012-03-30  Richard Guenther  <rguenther@suse.de>
 369
 370         PR middle-end/52786
 371         * double-int.c (rshift_double): Remove not needed cast.
 372
 373 2012-03-30  Richard Guenther  <rguenther@suse.de>
 374
 375         * tree-affine.h (print_aff): Remove.
 376         * tree-affine.c (print_aff): Make static.
 377         * tree-data-ref.h (access_matrix_get_index_for_parameter): Remove.
 378         (get_references_in_stmt): Likewise.
 379         (print_direction_vector): Likewise.
 380         (print_dir_vectors): Likewise.
 381         (print_dist_vectors): Likewise.
 382         (dump_subscript): Likewise.
 383         (dump_ddrs): Likewise.
 384         (dump_dist_dir_vectors): Likewise.
 385         (dump_data_references): Likewise.
 386         (dump_data_dependence_relation): Likewise.
 387         (dump_data_dependence_direction): Likewise.
 388         (dump_rdg_vertex): Likewise.
 389         (dump_rdg_component): Likewise.
 390         (debug_ddrs): Declare.
 391         (struct data_ref_loc_d): Move ...
 392         * tree-data-ref.c (struct data_ref_loc_d): ... here.
 393         (get_references_in_stmt): Make static.
 394         (dump_data_references): Likewise.
 395         (dump_subscript): Likewise.
 396         (print_direction_vector): Likewise.
 397         (print_dir_vectors): Likewise.
 398         (print_dist_vectors): Likewise.
 399         (dump_data_dependence_relation): Likewise.
 400         (dump_dist_dir_vectors): Likewise.
 401         (dump_ddrs): Likewise.
 402         (dump_rdg_vertex): Likewise.
 403         (dump_rdg_component): Likewise.
 404         (debug_ddrs): New function.
 405         (access_matrix_get_index_for_parameter): Remove.
 406
 407 2012-03-30  Tristan Gingold  <gingold@adacore.com>
 408
 409         * config/vms/vms.c (VMS_CRTL_FLOAT32): Rename.
 410         (VMS_CRTL_FLOAT64, VMS_CRTL_FLOAT64_VAXD): New.
 411         (VMS_CRTL_FLOAT128, VMS_CRTL_DPML, VMS_CRTL_NODMPL)
 412         (VMS_CRTL_32ONLY, VMS_CRTL_G_MASK, VMS_CRTL_G_NONE)
 413         (VMS_CRTL_GA, VMS_CRTL_GL, VMS_CRTL_FLOATV2): New.
 414         (vms_patch_builtins): Handle new flags
 415         * config/vms/vms-crtlmap.map: Completed using nm on
 416         c and math system libraries.
 417         * config/vms/make-crtlmap.awk: Handle any number of flags.
 418
 419 2012-03-30  Martin Jambor  <mjambor@suse.cz>
 420
 421         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
 422         is a builtin_stack_save in a dominating BB.
 423
 424 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
 425
 426         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
 427         crossing 128bit lane boundary.
 428
 429 2012-03-29  Vladimir Makarov  <vmakarov@redhat.com>
 430
 431         * ira-color.c (setup_left_conflict_sizes_p): Process all
 432         conflicting objects.
 433
 434 2012-03-29  Jakub Jelinek  <jakub@redhat.com>
 435
 436         PR tree-optimization/52760
 437         * tree-vect-slp.c (vect_get_constant_vectors): Convert constant_p
 438         shift count for {L,R}{SHIFT,ROTATE}_EXPR to TREE_TYPE (vector_type).
 439
 440 2012-03-29  Richard Guenther  <rguenther@suse.de>
 441
 442         * cgraph.h (cgraph_materialize_all_clones): Remove.
 443         (reset_inline_failed): Likewise.
 444         * cgraphunit.c (cgraph_materialize_all_clones): Make static.
 445         * cgraphbuild.c (reset_inline_failed): Remove.
 446         * rtl.h (cse_main): Remove.
 447         (extended_count): Likewise.
 448         * cse.c (dump_class): Mark as DEBUG_FUNCTION.
 449         (cse_main): Make static.
 450         * combine.c (extended_count): Remove.
 451         (dump_combine_stats): Mark as DEBUG_FUNCTION.
 452         * basic-block.h (reorder_basic_blocks): Remove.
 453         * bb-reorder.c (reorder_basic_blocks): Make static.
 454         * Makefile.in (dse.o): Remove dse.h dependency.
 455         * dse.h: Remove.
 456         * dse.c (gate_dse): Remove.
 457         (clear_alias_mode_eq): Likewise.
 458         (clear_alias_mode_hash): Likewise.
 459         (dse_record_singleton_alias_set): Likewise.
 460         (dse_invalidate_singleton_alias_set): Likewise.
 461
 462 2012-03-29  H.J. Lu  <hongjiu.lu@intel.com>
 463
 464         * config/linux-android.h (ANDROID_STARTFILE_SPEC): Use
 465         crtbegin_so%O%s for -shared.
 466         (ANDROID_ENDFILE_SPEC): Use crtend_so%O%s for -shared.
 467
 468 2012-03-29  Richard Guenther  <rguenther@suse.de>
 469
 470         * tree-flow.h (struct pre_expr_d): Remove forward declaration.
 471         (add_to_value): Remove.
 472         (print_value_expressions): Likewise.
 473         * tree-ssa-pre.c (add_to_value): Make static.
 474         (print_value_expressions): Likewise.
 475         * gimple.h (gimple_adjust_this_by_delta): Remove.
 476         * gimple-fold.c (gimple_adjust_this_by_delta): Likewise.
 477
 478 2012-03-29  Richard Guenther  <rguenther@suse.de>
 479
 480         PR middle-end/50708
 481         * double-int.h (rshift_double): Remove.
 482         * double-int.c (lshift_double): Use absu_hwi to make count
 483         positive.
 484         (rshift_double): Make static, take unsigned count argument,
 485         remove handling of negative count argument.
 486         (double_int_rshift): Dispatch to lshift_double.
 487
 488 2012-03-28  H.J. Lu  <hongjiu.lu@intel.com>
 489
 490         * config/i386/biarch64.h (TARGET_64BIT_DEFAULT): Add
 491         OPTION_MASK_ABI_64.
 492
 493         * config/i386/gnu-user64.h (SPEC_64): Support TARGET_BI_ARCH == 2.
 494         (SPEC_X32): Likewise.
 495         (MULTILIB_DEFAULTS): Likewise.
 496
 497         * config/i386/i386.c (isa_opts): Remove -m64.
 498         (ix86_target_string): Properly handle -m32/-m64/-mx32.
 499         (ix86_option_override_internal): Properly
 500         set OPTION_MASK_ISA_64BIT and OPTION_MASK_ISA_X32 as well as
 501         handle -m32, -m64 and -mx32.
 502
 503         * config/i386/i386.h (TARGET_X32): Replace OPTION_ISA_X32
 504         with OPTION_ABI_X32.  Moved after TARGET_LP64.
 505         (TARGET_LP64): Changed to OPTION_ABI_64.
 506
 507         * config/i386/i386.opt (m64): Replace ISA_64BIT with ABI_64.
 508         (mx32): Replace ISA_X32 with ABI_X32.
 509
 510 2012-03-28  Eric Botcazou  <ebotcazou@adacore.com>
 511
 512         * tree.c (tree_size) <VECTOR_CST>: New case.
 513
 514 2012-03-28  Uros Bizjak  <ubizjak@gmail.com>
 515
 516         * config/i386/i386.c (ix86_modes_tieable_p): Handle 32bit AVX modes.
 517         (ix86_expand_vector_move_misalign): Remove un-needed gen_lowpart calls.
 518
 519 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
 520
 521         PR middle-end/52691
 522         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
 523         __builtin_va_start to __builtin_next_arg if the latter is
 524         builtin_decl_explicit_p rather than when it is not.
 525
 526         PR middle-end/52750
 527         * tree-vect-generic.c (vector_element): Perform multiplication
 528         for pos in bitsizetype type instead of idx type.
 529
 530 2012-03-28  Richard Guenther  <rguenther@suse.de>
 531
 532         * loop-init.c (loop_optimizer_init): If loops are preserved
 533         perform incremental initialization of required loop features.
 534         (loop_optimizer_finalize): If loops are to be preserved only
 535         clean up optional loop features.
 536         (rtl_loop_done): Forcefully free loops here.
 537         * cgraph.c (cgraph_release_function_body): Forcefully free loops.
 538         * cfgexpand.c (expand_gimple_cond): Properly add new basic-blocks
 539         to existing loops.
 540         (construct_init_block): Likewise.
 541         (construct_exit_block): Likewise.
 542         (gimple_expand_cfg): Clear LOOP_CLOSED_SSA loop state.  Cleanup
 543         the CFG after expanding.
 544         * cfgloop.c (verify_loop_structure): Calculate or verify dominators.
 545         If we needed to calculate them, free them afterwards.
 546         * tree-pass.h (PROP_loops): New define.
 547         * tree-ssa-loop.c (pass_tree_loop_init): Provide PROP_loops.
 548         * basic-block.h (CLEANUP_CFG_CHANGED): New.
 549         * cfgcleanup.c (merge_blocks_move): Protect loop latches.
 550         (cleanup_cfg): If we did something and have loops around, fix them up.
 551         * cse.c (rest_of_handle_cse_after_global_opts): Call cleanup_cfg
 552         with CLEANUP_CFG_CHANGED.
 553         * cfghooks.c (merge_blocks): If we merge a loop header into
 554         its predecessor, update the loop structure.
 555         (duplicate_block): If we copy a loop latch, adjust loop state
 556         to note we may have multiple latches.
 557         (delete_basic_block): Mark loops for fixup if we remove a loop.
 558         * cfganal.c (forwarder_block_p): Protect loop latches, headers
 559         and preheaders.
 560         * cfgrtl.c (rtl_can_merge_blocks): Protect loop latches.
 561         (cfg_layout_can_merge_blocks_p): Likewise.
 562         * cprop.c (bypass_block): If we create a loop with multiple
 563         entries, mark it for removal.
 564         * except.c (emit_to_new_bb_before): Add the new basic-block
 565         to existing loops.
 566         * tree-eh.c (lower_resx): Likewise.
 567         * omp-low.c (finalize_task_copyfn): Do not copy PROP_loops.
 568         (expand_omp_taskreg): Likewise.
 569         * tree-inline.c (initialize_cfun): Likewise.
 570         * tree-mudflap.c (add_bb_to_loop): Prototype.
 571         (mf_build_check_statement_for): Properly add new basic-blocks
 572         to existing loops.
 573         * tree-ssa-threadupdate.c (thread_block): Mark loops for fixup
 574         if we remove a loop.
 575         (thread_through_loop_header): Likewise.
 576         * trans-mem.c (tm_log_emit_save_or_restores): Properly add
 577         new basic-blocks to existing loops.
 578         (expand_transaction): Likewise.
 579         * Makefile.in (except.o): Add $(CFGLOOP_H).
 580         (expr.o): Likewise.
 581         (cgraph.o): Likewise.
 582         (cprop.o): Likewise.
 583         (cfgexpand.o): Likewise.
 584         (cfganal.o): Likewise.
 585         (trans-mem.o): Likewise.
 586         (tree-eh.o): Likewise.
 587
 588 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
 589
 590         PR target/52692
 591         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
 592         (avr_builtin_decl): New static function.
 593         (struct avr_builtin_description, avr_bdesc): Move up.
 594         Add GTY marker. Add field fndecl. Remove redundant field id.
 595         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
 596         (avr_expand_builtin): Code cleanup because .id is removed.
 597
 598 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
 599
 600         PR target/52737
 601         * config.gcc (tm_file): Remove avr/multilib.h.
 602
 603         * doc/invoke.texi (AVR Options): Adjust documentation of -mtiny-stack.
 604
 605         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
 606         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
 607         * config/avr/t-avr: Remove generation of multilib.h.
 608         * config/avr/t-multilib: Regenerate.
 609         * config/avr/multilib.h: Remove.
 610         * config/avr/avr.opt (-msp8): New option.
 611         (avr_sp8): New variable.
 612         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
 613         * config/avr/avr.h (AVR_HAVE_SPH): New define.
 614         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
 615         (avr_device_to_sp8): New prototype.
 616         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
 617         (DRIVER_SELF_SPECS): New define.
 618         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
 619         __AVR_SP8__, __AVR_HAVE_SPH__.
 620         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
 621         AVR_HAVE_8BIT_SP to decide if SP_H is present.
 622         (avr_file_start): Ditto.
 623
 624 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
 625
 626         PR target/52736
 627         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
 628         instead of 8 in adjust_address.
 629
 630 2012-03-27  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
 631
 632         PR middle-end/51893
 633         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
 634         targets.
 635
 636 2012-03-27  Oleg Endo  <olegendo@gcc.gnu.org>
 637
 638         PR target/50751
 639         * config/sh/sh.c (sh_legitimize_address, sh_legitimize_reload_address):
 640         Rearrange conditional logic.  Move displacement address calculations
 641         to ...
 642         (sh_find_mov_disp_adjust): ... this new function.
 643
 644 2012-03-27  H.J. Lu  <hongjiu.lu@intel.com>
 645
 646         * config/arm/arm.opt (mapcs): Remove MaskExists.
 647         * config/cris/linux.opt (mno-gotplt): Likewise.
 648         * config/i386/i386.opt (mhard-float): Likewise.
 649         (msse4): Likewise.
 650         (mno-sse4): Likewise.
 651         * config/m68k/m68k.opt (mhard-float): Likewise.
 652         * config/mep/mep.op (mcop32): Likewise.
 653         * config/pa/pa-hpux.opt (msio): Likewise.
 654         * config/pa/pa64-hpux.opt (mgnu-ld): Likewise.
 655         * config/picochip/picochip.opt (mlittle): Likewise.
 656         * config/sh/sh.opt (mrenesas): Likewise.
 657         * config/sparc/long-double-switch.opt (mlong-double-128): Likewise.
 658         * config/sparc/sparc.opt (mhard-float): Likewise.
 659         * config/v850/v850.opt (mv850es): Likewise.
 660         * config/vax/vax.opt (mg-float): Likewise.
 661
 662 2012-03-27  Martin Jambor  <mjambor@suse.cz>
 663
 664         PR middle-end/52693
 665         * tree-sra.c (sra_modify_assign): Do not call
 666         load_assign_lhs_subreplacements when working with an unscalarizable
 667         region.
 668
 669 2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
 670
 671         PR target/52698
 672         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
 673         New prototype.
 674         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
 675         * config/i386/i386.c: Include reload.h.
 676         (ix86_legitimize_reload_address): New function.
 677
 678 2012-03-27  H.J. Lu  <hongjiu.lu@intel.com>
 679
 680         * opth-gen.awk: Allocated a bit for Mask and InverseMask if it
 681         hasn't been allocated.  Define a target macro for Mask and
 682         InverseMask if it hasn't been defined.  Remove MaskExists handling.
 683
 684         * doc/options.texi: Remove MaskExists.
 685
 686 2012-03-27  Chung-Lin Tang  <cltang@codesourcery.com>
 687
 688         PR target/52667
 689         * config/sh/sh.c (find_barrier): Add equality check of last_got
 690         to avoid going above orig insn. Update comments.
 691
 692 2012-03-27  Richard Guenther  <rguenther@suse.de>
 693
 694         PR middle-end/52720
 695         * fold-const.c (try_move_mult_to_index): Handle &x.array more
 696         explicitely.
 697
 698 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
 699
 700         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
 701         of a unit before computing the offset in units.
 702         * expr.c (get_bit_range): Return the null range if the enclosing record
 703         is part of a larger bit field.
 704
 705 2012-03-27  Tristan Gingold  <gingold@adacore.com>
 706
 707         * config/ia64/vms.h (CASE_VECTOR_MODE): Define.
 708         * config/ia64/ia64.md: Remove mode in template.
 709         Sign extend operand in expand_simple_binop.
 710         * config/ia64/ia64.h (ASM_OUTPUT_ADDR_DIFF_ELT): Use
 711         CASE_VECTOR_MODE instead of TARGET_ILP32.
 712         (ADDR_VEC_ALIGN): Make it depends on CASE_VECTOR_MODE.
 713
 714 2012-03-26  Steven Bosscher  <steven@gcc.gnu.org>
 715
 716         * varasm.c (assemble_external): #if 0 out the new assert from the
 717         previous commit, it breaks the Java and Go front ends.
 718
 719 2012-03-26  Steven Bosscher  <steven@gcc.gnu.org>
 720
 721         * toplev.c (check_global_declaration_1): Do not call assemble_external.
 722         * expr.c (emit_block_move_libcall_fn): Likewise.
 723         (clear_storage_libcall_fn): Likewise.
 724         (expand_expr_addr_expr_1): Likewise.
 725         (expand_expr_real_1): Likewise.
 726         * calls.c (rtx_for_function_call): Likewise.
 727
 728         * varasm.c (assemble_external): Assert this function is only called
 729         during or after expanding to RTL.
 730
 731 2012-03-26  Martin Jambor  <mjambor@suse.cz>
 732
 733         PR tree-optimization/50052
 734         * tree-sra.c (tree_non_aligned_mem_p): Removed.
 735         (tree_non_aligned_mem_for_access_p): Likewise.
 736         (build_accesses_from_assign): Removed strict alignment requirements
 737         checks.
 738         (access_precludes_ipa_sra_p): Likewise.
 739
 740 2012-03-26  Richard Guenther  <rguenther@suse.de>
 741
 742         PR tree-optimization/52701
 743         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
 744         compute and set the evolution part of PHI nodes.
 745
 746 2012-03-26  Richard Guenther  <rguenther@suse.de>
 747
 748         PR tree-optimization/52721
 749         * tree-vect-stmts.c (vect_init_vector): Handle scalars.
 750
 751 2012-03-26  Ulrich Weigand  <ulrich.weigand@linaro.org>
 752
 753         PR tree-optimization/52686
 754         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Handle
 755         WIDEN_LSHIFT_EXPR.
 756
 757 2012-03-26  Tristan Gingold  <gingold@adacore.com>
 758
 759         * config/alpha/vms.h (LINK_SPEC): Simplify.
 760         (STARTFILE_SPEC): Remove -mvms-return-codes handling.
 761         (NAME__MAIN, SYMBOL__MAIN): Remove.
 762         (VMS_DEBUG_MAIN_POINTER): Remove.
 763         * config/ia64/vms.h: Likewise.
 764         * config/alpha/alpha.c (alpha_start_function): Move vms_debug_main
 765         code to vms.c.  Call vms_start_function.
 766         * config/ia64/ia64.c (ia64_start_function): Likewise.
 767         * config/vms/vms-protos.h (vms_start_function): Declare.
 768         * config/vms/vms.c (vms_start_function): New function.
 769         * config/vms/vms.h (MATH_LIBRARY): Define.
 770         (VMS_DEBUG_MAIN_POINTER): Define.
 771
 772 2012-03-26  Eric Botcazou  <ebotcazou@adacore.com>
 773
 774         PR rtl-optimization/52629
 775         * reload1.c (count_pseudo): Short-circuit common case.
 776         (count_spilled_pseudo): Return early for pseudos without hard regs.
 777         Assert that the pseudo has got a hard reg before manipulating it.
 778
 779 2012-03-24  Jan Hubicka  <jh@suse.cz>
 780
 781         PR lto/51663
 782         * varpool.c (varpool_finalize_decl): Handle toplevel_reorder here.
 783         (decide_is_variable_needed): Do not handle toplevel reorder here.
 784         * cgraph.h (varpool_can_remove_if_no_refs): Likewise.
 785         * ipa.c (cgraph_remove_unreachable_nodes): Remove unreachable vars
 786         even at -O0.
 787
 788 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
 789
 790         * expr.c (optimize_bitfield_assignment_op) <BIT_IOR_EXPR>: Use str_mode
 791         and str_bitsize instead of more convoluted expressions.
 792
 793 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
 794
 795         PR target/52610
 796         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
 797
 798 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
 799
 800         PR target/52656
 801         * config/sparc/sparc.c (sparc_handle_vis_mul8x16): Fix pasto.
 802
 803 2012-03-23  Martin Jambor  <mjambor@suse.cz>
 804
 805         * tree-sra.c (build_accesses_from_assign): Remove FIXME comment.
 806
 807 2012-03-23  Richard Guenther  <rguenther@suse.de>
 808
 809         PR tree-optimization/52678
 810         * tree-vectorizer.h (struct _stmt_vec_info): Add
 811         loop_phi_evolution_part member.
 812         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
 813         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
 814         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
 815         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
 816         Use the cached evolution part and the PHI nodes value from
 817         the loop preheader edge instead of re-analyzing the evolution.
 818
 819 2012-03-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
 820
 821         * config/mips/mips-tables.opt: Update.
 822         * config/mips/mips.md (processor): Add xlp.
 823         * config/mips/mips-cpus.def: Add xlp.
 824         * config/mips/mips.c (mips_rtx_cost_data): Add costs for XLP, copy from
 825         5KF for now.
 826         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC): Handle xlp.
 827         * doc/invoke.texi: Mention XLP.
 828
 829 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
 830
 831         PR middle-end/52547
 832         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
 833         on any new_local_var_chain vars declared during recursing on
 834         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
 835
 836 2012-03-22  Uros Bizjak  <ubizjak@gmail.com>
 837
 838         * config/alpha/alpha.h (ASM_OUTPUT_ALIGN): Move to config/alpha/elf.h
 839         (ASM_OUTPUT_SKIP): Move to config/alpha/vms.h
 840         (ASM_OUTPUT_LOCAL): Ditto.
 841         (ASM_OUTPUT_COMMON): Remove.
 842         * config/alpha/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Use ASM_OUTPUT_DEF.
 843         * config/alpha/vms.h (ASM_OUTPUT_ALIGN): Do not undefine before define.
 844
 845 2012-03-22  Jan Hubicka  <jh@suse.cz>
 846
 847         PR middle-end/51737
 848         * cgraph.c (cgraph_remove_node_and_inline_clones): Add FORBIDDEN_NODE
 849         parameter.
 850         * cgraph.h (cgraph_remove_node_and_inline_clones): Update prototype.
 851         * ipa-inline-transform.c (save_inline_function_body): Remove
 852         copied clone if needed.
 853         * tree-inline.c (delete_unreachable_blocks_update_callgraph): Update.
 854
 855 2012-03-22  Richard Guenther  <rguenther@suse.de>
 856
 857         PR middle-end/52666
 858         * fold-const.c (fold_ternary_loc): Fix typo.
 859
 860 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
 861
 862         PR target/52496
 863         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
 864         (unspecv): Add UNSPECV_MEMORY_BARRIER.
 865         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
 866         (delay_cycles_1, delay_cycles_2): Ditto.
 867         (delay_cycles_3, delay_cycles_4): Ditto.
 868         (nopv, *nopv): Ditto.
 869         (sleep, *sleep): Ditto.
 870         (wdr, *wdr): Ditto.
 871
 872 2012-03-22  Richard Guenther  <rguenther@suse.de>
 873
 874         PR tree-optimization/52548
 875         * tree-ssa-pre.c (valid_in_sets): Remove handling of invalidation
 876         because of clobbers.
 877         (prune_clobbered_mems): New function.
 878         (compute_antic_aux): Use it to prune ANTIC_OUT.
 879         (compute_partial_antic_aux): Use it to prune PA_IN.
 880         (compute_avail): Only insert expressions into EXP_GEN that are not
 881         invalidated when translated up to the beginning of the block.
 882
 883 2012-03-22  Richard Guenther  <rguenther@suse.de>
 884
 885         PR tree-optimization/52638
 886         * tree-vect-stmts.c (vect_init_vector_1): New function, split
 887         out from ...
 888         (vect_init_vector): ... here.  Handle scalar vector inits.
 889         (vect_get_vec_def_for_operand): Adjust.
 890         (vectorizable_load): Likewise.
 891
 892 2012-03-22  Uros Bizjak  <ubizjak@gmail.com>
 893
 894         * config.gcc (alpha*-*-linux*): Add elfos.h to tm_file.
 895         (alpha*-*-freebsd*): Ditto.
 896         (alpha*-*-netbsd*): Ditto.
 897         (alpha*-*-openbsd*): Ditto.
 898         * config/alpha/elf.h (OBJECT_FORMAT_ELF): Remove.
 899         (DWARF2_DEBUGGING_INFO): Remove.
 900         (PREFERRED_DEBUGGING_TYPE): Remove.
 901         (ASM_FINAL_SPEC): Remove.
 902         (IDENT_ASM_OP): Remove.
 903         (ASM_OUTPUT_IDENT): Remove.
 904         (SKIP_ASM_OP): Remove.
 905         (ASM_OUTPUT_SKIP): Remove.
 906         (ALIGN_ASM_OP): Remove.
 907         (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
 908         (ASM_OUTPUT_CASE_LABEL): Remove.
 909         (ASM_OUTPUT_EXTERNAL_LIBCALL): Remove.
 910         (COMMON_ASM_OP): Remove.
 911         (ASM_OUTPUT_ALIGNED_COMMON): Remove.
 912         (ASCII_DATA_ASM_OP): Remove.
 913         (READONLY_DATA_SECTION_ASM_OP): Remove.
 914         (INIT_SECTION_ASM_OP): Remove.
 915         (FINI_SECTION_ASM_OP): Remove.
 916         (ASM_SECTION_START_OP): Remove.
 917         (ASM_OUTPUT_SECTION_START_FILE): Remove.
 918         (TARGET_ASM_NAMED_SECTION): Remove.
 919         (TARGET_ASM_SELECT_SECTION): Remove.
 920         (MAKE_DECL_ONE_ONLY): Remove.
 921         (TYPE_ASM_OP): Remove.
 922         (SIZE_ASM_OP): Remove.
 923         (ASM_WEAKEN_LABEL): Remove.
 924         (TYPE_OPERAND_FMT): Remove.
 925         (ASM_DECLARE_RESULT): Remove.
 926         (ASM_DECLARE_OBJECT_NAME): Remove.
 927         (ASM_FINISH_DECLARE_OBJECT): Remove.
 928         (ELF_ASCII_ESCAPES): Remove.
 929         (ELF_STRING_LIMIT): Remove.
 930         (STRING_ASM_OP): Remove.
 931         (ASM_OUTPUT_EXTERNAL): Remove.
 932         (TARGET_ASM_FILE_START_FILE_DIRECTIVE): Redefine to false.
 933         * config/alpha/alpha.h (PCC_BITFIELD_TYPE_MATTERS): Undefine
 934         before define.
 935         (ASM_DECLARE_FUNCTION_NAME): Ditto.
 936         (ASM_DECLARE_FUNCTION_SIZE): Ditto.
 937         (ASM_GENERATE_INTERNAL_LABEL): Ditto.
 938         (ASM_OUTPUT_SKIP): Ditto.
 939         (READONLY_DATA_SECTION_ASM_OP): Remove.
 940         (USER_LABEL_PREFIX): Remove.
 941         (ASM_OUTPUT_ASCII): Remove.
 942         (ASM_OUTPUT_CASE_LABEL): Remove.
 943         (NO_DOLLAR_IN_LABEL): Undefine.
 944
 945 2012-03-22  Richard Guenther  <rguenther@suse.de>
 946
 947         PR tree-optimization/52459
 948         * tree-ssa-pre.c (inhibit_phi_insertion): Do not inhibit
 949         PHI insertion for calls.
 950
 951 2012-03-21  Steven Bosscher  <steven@gcc.gnu.org>
 952
 953         * cse.c (invalidate_from_sets_and_clobbers, try_back_substitute_reg,
 954         find_sets_in_insn, canonicalize_insn): Split out from ...
 955         (cse_insn): ... here.
 956         (invalidate_from_clobbers): Take an insn instead of the pattern.
 957
 958 2012-03-21  Oleg Endo  <olegendo@gcc.gnu.org>
 959
 960         PR target/52479
 961         * config/sh/sh-protos.h (sh_fsca_df2int): Remove.
 962         * config/sh/sh.c (sh_fsca_df2int_rtx, sh_fsca_df2int): Remove.
 963         * config/sh/sh.md (sindf2, cosdf2): Remove.
 964
 965 2012-03-21  Kaz Kojima  <kkojima@gcc.gnu.org>
 966
 967         PR target/52642
 968         * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
 969         prologue for unwinder and profiler.
 970
 971 2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
 972
 973         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
 974         Introduce emul_name to select the right linker emulation for
 975         powerpc64-*-freebsd*.
 976         * configure: Regenerate.
 977         * config.gcc: Add bits to support powerpc64-*-freebsd*.
 978         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
 979         * config/rs6000/freebsd64.h: New file.
 980         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
 981         POWERPC_FREEBSD.
 982         (rs6000_savres_strategy): Likewise.
 983         (rs6000_savres_routine_name): Likewise.
 984         (rs6000_elf_file_end): Likewise.
 985         * config/rs6000/t-freebsd64: New file.
 986         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
 987         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
 988
 989         * config/rs6000/freebsd64.h: Remove duplicated entries from last
 990         commit.
 991         * config/rs6000/t-freebsd64: Likewise.
 992
 993 2012-03-21  Georg-Johann Lay  <avr@gjlay.de>
 994
 995         PR rtl-optimization/52543
 996         PR target/52461
 997         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
 998         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
 999         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
1000         (avr_load_libgcc_p): Restrict to __flash loads.
1001         (avr_out_lpm): Only handle 1-byte loads from __flash.
1002         (avr_load_lpm): New function.
1003         (avr_find_unused_d_reg): Remove.
1004         (avr_out_lpm_no_lpmx): Remove.
1005         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
1006         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
1007         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
1008         (load_<mode>, load_<mode>_clobber): New insns.
1009         (mov<mode>): For multi-byte move from non-generic
1010         16-bit address spaces: Expand to load_<mode> resp.
1011         load_<mode>_clobber.
1012         (load<mode>_libgcc): Remove expander.
1013         (split-lpmx): Remove split.
1014
1015 2012-03-21  Richard Earnshaw  <rearnsha@arm.com>
1016
1017         * neon.md (neon_vget_lanev2di): Use gen_lowpart and gen_highpart.
1018         * config/arm/neon.ml (Fixed_return_reg): Renamed to fixed_vector_reg.
1019         All callers changed.
1020         (Fixed_core_reg): New feature.
1021         (Vget_lane [sizes S64 and U64]): Add Fixed_core_reg.  Allow fmrrd in
1022         disassembly.
1023         * neon-testgen.ml: Handle Fixed_core_reg.
1024
1025 2012-03-21  Andrew Stubbs  <ams@codesourcery.com>
1026
1027         * config/arm/arm.c (thumb2_reorg): Add complete support
1028         for 16-bit instructions.
1029         * config/arm/thumb2.md: Delete obsolete flag-clobbering peepholes.
1030
1031 2012-03-21  Richard Guenther  <rguenther@suse.de>
1032
1033         PR tree-optimizer/52636
1034         * tree-vect-slp.c (vect_get_constant_vectors): Convert constants
1035         to the appropriate type.
1036
1037 2012-03-21  Richard Guenther  <rguenther@suse.de>
1038
1039         * Makefile.in (cfgexpand.o): Add $(REGS_H) and $(INTEGRATE_H)
1040         dependencies.
1041         * cfgexpand.c (gimple_expand_cfg): Fold in pass_init_function,
1042         pass_jump, pass_initial_value_sets and pass_unshare_all_rtl.
1043         * passes.c (init_optimization_passes): Remove pass_init_function,
1044         pass_jump, pass_initial_value_sets and pass_unshare_all_rtl.
1045         * tree-pass.h (pass_init_function): Remove.
1046         (pass_jump): Remove.
1047         (pass_initial_value_sets): Remove.
1048         (pass_unshare_all_rtl): Remove.
1049         * integrate.c (pass_initial_value_sets): Remove.
1050         * emit-rtl.c (pass_unshare_all_rtl): Remove.
1051         * tree.h (init_function_for_compilation): Remove.
1052         * function.c (init_function_for_compilation): Remove.
1053         (pass_init_function): Remove.
1054         * cfgcleanup.c (rest_of_handle_jump): Remove.
1055         (pass_jump): Remove.
1056
1057 2012-03-20  Jason Merrill  <jason@redhat.com>
1058
1059         * tree-streamer-in.c (streamer_alloc_tree): Call
1060         ggc_alloc_zone_cleared_tree_node instead of
1061         ggc_alloc_zone_cleared_tree_node_stat.
1062
1063 2012-03-20  Jonathan Wakely  <jwakely.gcc@gmail.com>
1064
1065         * doc/extend.texi (Template Instantiation): Remove anachronisms.
1066
1067 2012-03-20  Jakub Jelinek  <jakub@redhat.com>
1068
1069         PR target/52607
1070         * config/i386/i386.c (expand_vec_perm_vperm2f128): New function.
1071         (ix86_expand_vec_perm_const_1): Call it.
1072
1073         * config/i386/i386.c (vselect_insn): New variable.
1074         (init_vselect_insn): New function.
1075         (expand_vselect, expand_vselect_insn): Add testing_p argument.
1076         Call init_vselect_insn if vselect_insn is NULL.  Adjust
1077         PATTERN (vselect_insn), instead of creating a new insn each time,
1078         only emit a copy of it if not testing and recog has been successful.
1079         (expand_vec_perm_pshufb, expand_vec_perm_1,
1080         expand_vec_perm_pshuflw_pshufhw, expand_vec_perm_broadcast_1): Adjust
1081         callers.
1082
1083         PR target/52607
1084         * config/i386/i386.md ("isa" attribute): Add avx2 and noavx2.
1085         ("enabled" attribute): Handle avx2 and noavx2 isas.
1086         * config/i386/sse.md (avx2_vec_dupv8sf_1, avx2_pbroadcast<mode>_1):
1087         New insns.
1088         (vec_dup<mode>): Add avx2 =x,x alternative.
1089         (vec_dup<mode> splitter): Don't split if TARGET_AVX2.
1090         (*avx_vperm_broadcast_<mode>): Don't split V4DFmode if TARGET_AVX2.
1091         For TARGET_AVX2, V8SFmode and elt == 0 split into vbroadcastss.
1092         * config/i386/i386.c (expand_vec_perm_pshufb): Emit also vpermps
1093         for V8SFmode.
1094         (expand_vec_perm_1): For broadcasts, use avx2_pbroadcast<mode>_1
1095         if possible, handle also V8SFmode.
1096
1097 2012-03-20  Richard Earnshaw  <rearnsha@arm.com>
1098
1099         * arm/predicates.md (zero_operand, reg_or_zero_operand): New predicates.
1100         * arm/neon.md (neon_vceq<mode>, neon_vcge<mode>): Use
1101         reg_or_zero_operand predicate.
1102         (neon_vcle<mode>, neon_vclt<mode>): Use zero_operand predicate.
1103
1104 2012-03-20  Jakub Jelinek  <jakub@redhat.com>
1105
1106         * config/i386/i386.c (ix86_decompose_address) <case ZERO_EXTEND>:
1107         If operand isn't UNSPEC, return 0.
1108
1109 2012-03-20  Richard Guenther  <rguenther@suse.de>
1110
1111         * tree-pass.h (pass_rtl_eh): Remove.
1112         * except.c (gate_handle_eh): Likewise.
1113         (rest_of_handle_eh): Likewise.
1114         (pass_rtl_eh): Likewise.
1115         (finish_eh_generation): Export.
1116         * except.h (finish_eh_generation): Declare.
1117         * passes.c (init_optimization_passes): Remove pass_rtl_eh.
1118         * cfgexpand.c (gimple_expand_cfg): Call finish_eh_generation
1119         after expanding stack alignment.  Instead of compacting blocks
1120         call cleanup_cfg.
1121
1122 2012-03-20  Richard Guenther  <rguenther@suse.de>
1123
1124         * stor-layout.c (finish_bitfield_representative): Fallback
1125         to conservative maximum size if the padding up to the next
1126         field cannot be computed as a constant.
1127         (finish_bitfield_layout): If we cannot compute the distance
1128         between the start of the bitfield representative and the
1129         bitfield member start a new representative.
1130         * expr.c (get_bit_range): The distance between the start of
1131         the bitfield representative and the bitfield member is zero
1132         if the field offsets are not constants.
1133
1134 2012-03-20  Tristan Gingold  <gingold@adacore.com>
1135
1136         * tree.h (enum size_type_kind): Add stk_ prefix to constants,
1137         convert in lowercase.
1138         (sizetype_tab, sizetype, bitsizetype, ssizetype, sbitsizetype)
1139         (size_int, ssize_int, bitsize_int, sbitsize_int): Adjust.
1140         * stor-layout.c (sizetype_tab): Adjust.
1141         (initialize_sizetypes): Use SIZETYPE instead of SIZE_TYPE.
1142         * tree-streamer.c (preload_common_nodes): Use stk_type_kind_last
1143         instead of type_kind_last.
1144         * tree-scalar-evolution.c (interpret_rhs_expr): Use size_int
1145         instead of size_int_kind.
1146         * doc/tm.texi.in (Type Layout): Document SIZETYPE.
1147         * doc/tm.texi: Regenerate.
1148         * defaults.h (SIZETYPE): Provide a default value.
1149         * config/vms/vms.h (SIZE_TYPE): Define as "unsigned int".
1150         (SIZETYPE): Define.
1151
1152 2012-03-20  Oleg Endo  <olegendo@gcc.gnu.org>
1153
1154         * config/sh/sh.md: Use braced string notation where applicable.
1155
1156 2012-03-19  Uros Bizjak  <ubizjak@gmail.com>
1157
1158         * config/i386/i386.md (allocate_stack): Simplify.
1159
1160 2012-03-19  Uros Bizjak  <ubizjak@gmail.com>
1161
1162         * builtins.c (expand_builtin_cexpi): Use copy_addr_to_reg instead of
1163         copy_to_mode_reg (Pmode, ...).
1164         (expand_builtin_frame_address): Ditto.
1165         * expr.c (emit_block_move_via_libcall): Ditto.
1166         (set_storage_via_libcall): Ditto.
1167
1168         * config/i386/i386.c (ix86_expand_movmem): Ditto.
1169         (ix86_expand_setmem): Ditto.
1170         (ix86_trampoline_init): DItto.
1171         * config/i386/i386.md (cmpstrnsi): Ditto.
1172
1173 2012-03-19  Sandra Loosemore  <sandra@codesourcery.com>
1174
1175         * config/sh/sh.opt (madjust-unroll): Mark as ignored/obsolete.
1176         * config/sh/sh.h (TARGET_OPT_DEFAULT): Don't use MASK_ADJUST_UNROLL.
1177         * doc/invoke.texi (Option Summary): Remove -madjust-unroll.
1178         (SH Options): Likewise.
1179
1180 2012-03-19  Uros Bizjak  <ubizjak@gmail.com>
1181
1182         * config/i386/i386.c (get_thread_pointer): Add tp_mode argument.
1183         Generate ZERO_EXTEND in place if GET_MODE (tp) != tp_mode.
1184         (legitimize_tls_address) <TLS_MODEL_INITIAL_EXEC>: Always generate
1185         DImode UNSPEC_GOTNTPOFF references on TARGET_64BIT.
1186         (ix86_decompose_address): Allow zero extended UNSPEC_TP references.
1187
1188         Revert:
1189         2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
1190
1191         * config/i386/i386.h (TARGET_TLS_INDIRECT_SEG_REFS): New.
1192         * config/i386/i386.c (ix86_decompose_address): Use
1193         TARGET_TLS_INDIRECT_SEG_REFS to prevent %fs:(%reg) addresses.
1194         (legitimize_tls_address): Use TARGET_TLS_INDIRECT_SEG_REFS to load
1195         thread pointer to a register.
1196
1197         Revert:
1198         2012-03-10  H.J. Lu  <hongjiu.lu@intel.com>
1199
1200         * config/i386/i386.c (ix86_decompose_address): Disallow fs:(reg)
1201         if Pmode != word_mode.
1202         (legitimize_tls_address): Call gen_tls_initial_exec_x32 if
1203         Pmode == SImode for TARGET_X32.
1204
1205         * config/i386/i386.md (UNSPEC_TLS_IE_X32): New.
1206         (tls_initial_exec_x32): Likewise.
1207
1208 2012-03-19  Oleg Endo  <olegendo@gcc.gnu.org>
1209
1210         PR target/50751
1211         * config/sh/sh.h (CONST_OK_FOR_K04, CONST_OK_FOR_K12, DISP_ADDR_P,
1212         DISP_ADDR_OFFSET): New macros.
1213         * config/sh/sh.c (sh_address_cost): Add SH2A special case.
1214         (sh_legitimate_index_p): Allow QImode displacements for non-SH2A.
1215         (sh_legitimize_address): Add QImode displacement handling.
1216         (sh_cannot_change_mode_class): Disallow GENERAL_REGS for SFmode
1217         vector subregs.
1218         (sh_secondary_reload): Add QImode displacement handling.
1219         * config/sh/predicates.md (movsrc_no_disp_mem_operand): New predicate.
1220         * config/sh/constraints.md (K04, Snd, Sdd): New constraints.
1221         * config/sh/sh.md (extendqisi2): Remove constraints from expander.
1222         (*extendqisi2_compact): Rename to *extendqisi2_compact_reg, restrict
1223         to register operands only.
1224         (*extendqisi2_compact_mem_disp, *extendqisi2_compact_snd): New insns.
1225         (extendqihi2): Change insn to expander.
1226         (*extendqihi2_compact_reg): New insn.
1227         (movqi_i, movqi): Replace with ...
1228         (movqi, *movqi_reg_reg, *movqi_store_mem_disp12,
1229         *movqi_load_mem_disp, *movqi_load_mem_disp): ... these.
1230         Add new peepholes for QImode displacement addressing.
1231
1232 2012-03-19  Paolo Carlini  <paolo.carlini@oracle.com>
1233
1234         PR c++/14710
1235         * doc/invoke.texi: Document -Wuseless-cast.
1236
1237 2012-03-19  Eric Botcazou  <ebotcazou@adacore.com>
1238
1239         * tree.def (REALPART_EXPR, IMAGPART_EXPR, VIEW_CONVERT_EXPR): Move.
1240         * tree.h (handled_component_p): Reorder cases.
1241         * dwarf2out.c (loc_list_for_address_of_addr_expr_of_indirect_ref): Do
1242         not initialize unsignedp.
1243         (loc_list_from_tree): Likewise.
1244         (fortran_common): Likewise.
1245         * simplify-rtx.c (delegitimize_mem_from_attrs): Likewise.
1246
1247 2012-03-19  Uros Bizjak  <ubizjak@gmail.com>
1248
1249         * config/i386/i386.c (ix86_expand_prologue) <CM_LARGE_PIC>: Use Pmode
1250         mode consistently.  Use ix86_gen_add3.  Assert that Pmode == DImode.
1251         (ix86_expand_split_stack_prologue): Use ix86_gen_add3.
1252         (ix86_split_long_move): Ditto.
1253         (legitimize_tls_address): Use ix86_gen_sub3.
1254         (construct_plt_address): Assert that Pmode == DImode.
1255
1256 2012-03-18  Uros Bizjak  <ubizjak@gmail.com>
1257
1258         * config/i386/i386.md: Remove empty predicates and/or constraints.
1259         * config/i386/sync.md: Ditto.
1260         * config/i386/sse.md: Ditto.
1261         * config/i386/mmx.md: Ditto.
1262         * config/i386/pentium.md: Ditto.
1263         * config/i386/athlon.md: Ditto.
1264
1265 2012-03-16  Richard Guenther  <rguenther@suse.de>
1266
1267         PR tree-optimization/52603
1268         * tree-vect-data-refs.c (vect_can_force_dr_alignment_p): Clarify
1269         comment.
1270
1271         Revert
1272         2012-03-14  Richard Guenther  <rguenther@suse.de>
1273
1274         PR tree-optimization/52571
1275         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Move
1276         flag_section_anchors check ...
1277         (vect_can_force_dr_alignment_p): ... here.
1278
1279 2012-03-16  Martin Jambor  <mjambor@suse.cz>
1280
1281         * expr.c (expand_expr_real_1): Handle misaligned scalar reads from
1282         memory through MEM_REFs by calling extract_bit_field.
1283
1284 2012-03-16  Richard Guenther  <rguenther@suse.de>
1285
1286         * fold-const.c (native_interpret_expr): Also support POINTER_TYPE
1287         and REFERENCE_TYPE interpretations.
1288         (can_native_interpret_type_p): New function.
1289         (fold_ternary_loc): Use native encode/interpret to fold
1290         BIT_FIELD_REFs of constants.
1291
1292 2012-03-16  Richard Guenther  <rguenther@suse.de>
1293
1294         PR middle-end/52584
1295         * fold-const.c (fold_ternary_loc): Fold vector typed BIT_FIELD_REFs
1296         of vector constants and constructors.
1297
1298 2012-03-16  Richard Guenther  <rguenther@suse.de>
1299
1300         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Use
1301         VIEW_CONVERT_EXPR to convert constants.
1302         (vect_is_simple_use): Treat all constants as vec_constant_def.
1303
1304 2012-03-16  Richard Guenther  <rguenther@suse.de>
1305             Kai Tietz  <ktietz@redhat.com>
1306
1307         PR middle-end/48814
1308         * gimplify.c (gimplify_self_mod_expr): Evaluate postfix
1309         side-effects completely in the pre-queue and use a temporary
1310         for the result.
1311
1312 2012-03-16  Richard Guenther  <rguenther@suse.de>
1313
1314         * stor-layout.c (finish_bitfield_representative): Fall back
1315         to the conservative maximum size if we cannot compute the
1316         size of the tail padding.
1317
1318 2012-03-16  Tristan Gingold  <gingold@adacore.com>
1319
1320         * config/vms/vms.h (TARGET_OS_CPP_BUILTINS): Define
1321         __CRTL_VER and __VMS_VER.
1322         * config/vms/vms-protos.h: Declare vms_c_get_crtl_ver
1323         and vms_c_get_vms_ver.
1324         * config/vms/vms-c.c (vms_c_get_crtl_ver, vms_c_get_vms_ver): New
1325         functions.
1326         * config/alpha/vms.h (VMS_DEFAULT_CRTL_VER)
1327         (VMS_DEFAULT_VMS_VER): Define.
1328         * config/ia64/vms.h (VMS_DEFAULT_CRTL_VER)
1329         (VMS_DEFAULT_VMS_VER): Define.
1330
1331 2012-03-16  Richard Guenther  <rguenther@suse.de>
1332
1333         * tree-vect-loop.c (get_initial_def_for_induction): Use
1334         build_constructor directly.
1335         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Use
1336         build_vector_from_val.
1337         * tree.c (build_vector_from_val): Avoid creating a constructor
1338         first when we want a constant vector.
1339
1340 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1341
1342         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
1343
1344 2012-03-16  Richard Guenther  <rguenther@suse.de>
1345
1346         * tree.h (TREE_VECTOR_CST_ELTS): Remove.
1347         (VECTOR_CST_NELTS, VECTOR_CST_ELTS, VECTOR_CST_ELT): New defines.
1348         (struct tree_vector): Remove elements member, add variable size
1349         elts array member.
1350         (build_vector_stat): Declare.
1351         (build_vector): Define in terms of build_vector_stat.
1352         * tree.c (build_vector): Rename to ...
1353         (build_vector_stat): ... this.  Take array of trees as parameter.
1354         (build_vector_from_ctor): Adjust.
1355         (integer_zerop, integer_onep, integer_all_onesp, iterative_hash_expr,
1356         initializer_zerop): Adjust.
1357         * cfgexpand.c (expand_debug_expr): Likewise.
1358         * expr.c (categorize_ctor_elements_1, expand_expr_real_1,
1359         const_vector_from_tree): Likewise.
1360         * fold-const.c (const_binop, operand_equal_p, native_encode_vector,
1361         native_interpret_vector, fold_unary_loc, vec_cst_ctor_to_array,
1362         fold_vec_perm, fold_binary_loc, fold_ternary_loc): Likewise.
1363         * tree-streamer-in.c (streamer_alloc_tree): Handle TS_VECTOR.
1364         (lto_input_ts_vector_tree_pointers): Adjust.
1365         * tree-streamer-out.c (streamer_write_tree_header): Handle TS_VECTOR.
1366         (write_ts_vector_tree_pointers): Adjust.
1367         * varasm.c (const_hash_1, compare_constant, copy_constant,
1368         output_constant): Adjust.
1369         * gimple-fold.c (gimple_fold_stmt_to_constant_1): Adjust.
1370         * print-tree.c (print_node): Adjust.
1371         * tree-pretty-print.c (dump_generic_node): Adjust.
1372         * tree-vect-generic.c (uniform_vector_p, vector_element,
1373         lower_vec_perm): Adjust.
1374         * tree-vect-loop.c (get_initial_def_for_reduction): Adjust.
1375         * tree-vect-slp.c (vect_get_constant_vectors,
1376         vect_transform_slp_perm_load): Adjust.
1377         * tree-vect-stmts.c (vect_gen_perm_mask): Adjust.
1378         * expmed.c (make_tree): Adjust.
1379         * config/i386/i386.c (ix86_expand_builtin): Adjust.
1380         * config/sparc/sparc.c (sparc_handle_vis_mul8x16): Adjust interface
1381         and implementation.
1382         (sparc_fold_builtin): Adjust.
1383
1384 2012-03-16  Tristan Gingold  <gingold@adacore.com>
1385
1386         * config.gcc (*-*-*vms*): Define use_gcc_stdint and tm_file.
1387         * config/vms/vms-stdint.h: New file.
1388
1389 2012-03-16  Tristan Gingold  <gingold@adacore.com>
1390
1391         * config.host (alpha64-dec-*vms*, alpha*-dec-*vms*)
1392         (ia64-hp-*vms*): Replaced by ...
1393         (*-*-*vms*): ... This new entry.
1394
1395 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
1396
1397         PR target/52568
1398         * config/i386/i386.c (expand_vec_perm_vperm2f128_vblend): New function.
1399         (ix86_expand_vec_perm_const_1): Use it.
1400
1401         PR target/52568
1402         * config/i386/sse.md (UNSPEC_VPERMDF): Remove.
1403         (avx2_permv4df): Remove.
1404         (avx2_permv4di): Macroize into...
1405         (avx2_perm<mode>): ... this using VI8F_256 iterator.
1406         (avx2_permv4di_1): Macroize into...
1407         (avx2_perm<mode>_1): ... this using VI8F_256 iterator.
1408
1409 2012-03-15  Ulrich Weigand  <ulrich.weigand@linaro.org>
1410
1411         * combine.c (apply_distributive_law): Do not distribute SUBREG.
1412
1413 2012-03-15  Ira Rosen  <irar@il.ibm.com>
1414             Ulrich Weigand  <ulrich.weigand@linaro.org>
1415
1416         * tree-vect-patterns.c (widened_name_p): Rename to ...
1417         (type_conversion_p): ... this.  Add new argument to determine
1418         if it's a promotion or demotion operation.  Check for
1419         CONVERT_EXPR_CODE_P instead of NOP_EXPR.
1420         (vect_recog_dot_prod_pattern): Call type_conversion_p instead
1421         widened_name_p.
1422         (vect_recog_widen_mult_pattern, vect_recog_widen_sum_pattern,
1423         vect_operation_fits_smaller_type, vect_recog_widen_shift_pattern):
1424         Likewise.
1425         (vect_recog_mixed_size_cond_pattern): Likewise and allow
1426         non-constant then and else clauses.
1427
1428 2012-03-15  Ira Rosen  <irar@il.ibm.com>
1429             Ulrich Weigand  <ulrich.weigand@linaro.org>
1430
1431         * tree-vectorizer.h (vect_pattern_recog): Add new argument.
1432         * tree-vect-loop.c (vect_analyze_loop_2): Update call to
1433         vect_pattern_recog.
1434         * tree-vect-patterns.c (widened_name_p): Pass basic block
1435         info to vect_is_simple_use.
1436         (vect_recog_dot_prod_pattern): Fail for basic blocks.
1437         (vect_recog_widen_sum_pattern): Likewise.
1438         (vect_handle_widen_op_by_const): Support basic blocks.
1439         (vect_operation_fits_smaller_type,
1440         vect_recog_over_widening_pattern): Likewise.
1441         (vect_recog_vector_vector_shift_pattern): Support basic blocks.
1442         Update call to vect_is_simple_use.
1443         (vect_recog_mixed_size_cond_pattern): Support basic blocks.
1444         Add printing.
1445         (check_bool_pattern): Add an argument, update call to
1446         vect_is_simple_use and the recursive calls.
1447         (vect_recog_bool_pattern): Update relevant function calls.
1448         Add printing.
1449         (vect_mark_pattern_stmts): Update calls to new_stmt_vec_info.
1450         (vect_pattern_recog_1): Check for reduction only in loops.
1451         (vect_pattern_recog): Add new argument.  Support basic blocks.
1452         * tree-vect-stmts.c (vectorizable_conversion): Pass basic block
1453         info to vect_is_simple_use_1.
1454         * tree-vect-slp.c (vect_get_and_check_slp_defs): Support basic blocks.
1455         (vect_slp_analyze_bb_1): Call vect_pattern_recog.
1456
1457 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
1458             Andrew Pinski  <apinski@cavium.com>
1459
1460         PR middle-end/52592
1461         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
1462         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
1463         calls instead of __builtin_ir{int,ound}*.
1464
1465 2012-03-15  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1466
1467         * doc/sourcebuild.texi (cleanup-modules, keep-modules): Update
1468         documentation.
1469
1470 2012-03-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1471
1472         * config.gcc (target_type_format_char): New. Document it. Set it for
1473         arm*-*-* .
1474         * configure.ac (gnu_unique_option): Use target_type_format_char
1475         in test.  Comment rationale.
1476         * configure: Regenerate .
1477
1478 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
1479
1480         PR tree-optimization/52267
1481         * tree-vrp.c (masked_increment): New function.
1482         (register_edge_assert_for_2): Derive ASSERT_EXPRs
1483         from (X & CST1) cmp CST2 tests.
1484
1485 2012-03-15  Richard Guenther  <rguenther@suse.de>
1486
1487         PR middle-end/52580
1488         * tree-data-ref.c (subscript_dependence_tester_1): Check
1489         all dimensions for non-conflicting access functions.
1490
1491 2012-03-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1492
1493         PR c++/44783
1494         * doc/invoke.texi [C++ Language Options]: Document
1495         -ftemplate-backtrace-limit.
1496
1497 2012-03-15  Tristan Gingold  <gingold@adacore.com>
1498
1499         * c-parser.c (c_parser_parameter_declaration): Handle #pragma
1500         before a parameter.
1501
1502 2012-03-15  Tristan Gingold  <gingold@adacore.com>
1503
1504         * dwarf2out.c (gen_subprogram_die): Require dwarf unwinding to
1505         use DW_OP_call_frame_cfa.
1506
1507 2012-03-14  H.J. Lu  <hongjiu.lu@intel.com>
1508
1509         PR target/50797
1510         * config/i386/i386-opts.h (pmode): New.
1511
1512         * config/i386/i386.c (ix86_option_override_internal): Properly
1513         check and set ix86_pmode.
1514
1515         * config/i386/i386.h (Pmode): Check ix86_pmode instead of TARGET_64BIT.
1516
1517         * config/i386/i386.opt (maddress-mode=): New.
1518
1519         * doc/invoke.texi: Document -maddress-mode=short|long for x86.
1520
1521 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1522
1523         * dwarf2cfi.c (def_cfa_0): Remove MIPS_DEBUGGING_INFO handling.
1524         (dwarf2out_do_cfi_asm): Likewise.
1525         * dwarf2out.c (output_call_frame_info): Remove MIPS_DEBUGGING_INFO
1526         handling.
1527         (add_data_member_location_attribute): Likewise.
1528         (gen_array_type_die): Likewise.
1529         (gen_subprogram_die): Likewise.
1530         (gen_producer_string): Likewise.
1531         * sdbout.c (sdbout_begin_prologue): Declare unconditionally.
1532         Remove MIPS_DEBUGGING_INFO handling.
1533         (sdb_debug_hooks): Likewise.
1534         (sdbout_begin_block): Likewise.
1535         (sdbout_end_block): Likewise.
1536         (sdbout_begin_prologue): Likewise.
1537         (sdbout_start_source_file): Likewise.
1538         (sdbout_end_source_file): Likewise.
1539         (sdbout_init): Likewise.
1540         * system.h (MIPS_DEBUGGING_INFO): Poison.
1541
1542 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1543
1544         * config/alpha/alpha.c [HAVE_STAMP_H]: Remove.
1545         (alpha_file_start) [MS_STAMP]: Remove.
1546
1547         * config/alpha/elf.h (TARGET_GAS): Remove.
1548         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove.
1549         * config/alpha/linux.h (TARGET_DEFAULT): Remove.
1550         * config/alpha/netbsd.h (TARGET_DEFAULT): Remove.
1551         * config/alpha/vms.h (TARGET_DEFAULT): Remove.
1552         * config.gcc (alpha*-*-linux*): Remove target_cpu_default.
1553         (alpha*-*-freebsd*): Likewise.
1554         (alpha*-*-netbsd*): Likewise.
1555         (alpha*-*-openbsd*): Likewise.
1556         (alpha*-*-*): Remove target_cpu_default2.
1557         * config/alpha/alpha.c (alpha_output_filename): Remove !TARGET_GAS
1558         handling.
1559         * config/alpha/alpha.h (TARGET_AS_CAN_SUBTRACT_LABELS): Remove.
1560         (TARGET_AS_SLASH_BEFORE_SUFFIX): Remove.
1561         * config/alpha/alpha.c (print_operand): Always assume
1562         TARGET_AS_SLASH_BEFORE_SUFFIX.
1563         * config/alpha/alpha.md ("*builtin_setjmp_receiver_er_sl_1"):
1564         Remove TARGET_AS_CAN_SUBTRACT_LABELS.
1565         ("*builtin_setjmp_receiver_er_1"): Remove.
1566         * config/alpha/alpha.opt (malpha-as): Remove.
1567         (mgas): Ignore.
1568         * doc/invoke.texi (Option Summary, DEC Alpha Options): Remove
1569         -malpha-as, -mgas.
1570         Remove DEC Unix reference.
1571
1572         * config/alpha/alpha.h (OBJECT_FORMAT_COFF): Remove.
1573         (EXTENDED_COFF): Remove.
1574         * config/alpha/elf.h (OBJECT_FORMAT_COFF): Don't undef.
1575         (EXTENDED_COFF): Don't undef.
1576         * config/alpha/alpha.c (alpha_file_start): Always assume
1577         OBJECT_FORMAT_ELF.
1578         Don't set targetm.asm_file_start_file_directive.
1579         [!OBJECT_FORMAT_ELF]: Remove.
1580         (TARGET_ASM_FILE_START_FILE_DIRECTIVE): Remove.
1581
1582         * config/alpha/alpha.h (SDB_DEBUGGING_INFO): Remove.
1583         (DBX_DEBUGGING_INFO): Remove.
1584         (MIPS_DEBUGGING_INFO): Remove.
1585         (PREFERRED_DEBUGGING_TYPE): Remove.
1586         (DBX_OUTPUT_SOURCE_LINE): Remove.
1587         (SDB_OUTPUT_SOURCE_LINE): Remove.
1588         (DBX_CONTIN_LENGTH): Remove.
1589         (NO_DBX_FUNCTION_END): Remove.
1590         (ASM_STABS_OP): Remove.
1591         (ASM_STABN_OP): Remove.
1592         (ASM_STABD_OP): Remove.
1593         (SDB_ALLOW_FORWARD_REFERENCES): Remove.
1594         (SDB_ALLOW_UNKNOWN_REFERENCES): Remove.
1595         (PUT_SDB_DEF): Remove.
1596         (PUT_SDB_PLAIN_DEF): Remove.
1597         (PUT_SDB_TYPE): Remove.
1598         (sdb_label_count): Remove.
1599         (PUT_SDB_BLOCK_START): Remove.
1600         (PUT_SDB_BLOCK_END): Remove.
1601         (PUT_SDB_FUNCTION_START): Remove.
1602         (PUT_SDB_FUNCTION_END): Remove.
1603         (PUT_SDB_EPILOGUE_END): Remove.
1604         * config/alpha/elf.h (SDB_DEBUGGING_INFO): Don't undef.
1605         (MIPS_DEBUGGING_INFO): Don't undef.
1606         (DBX_DEBUGGING_INFO): Don't undef.
1607         * config/alpha/vms.h (SDB_DEBUGGING_INFO): Don't undef.
1608         (MIPS_DEBUGGING_INFO): Don't undef.
1609         (DBX_DEBUGGING_INFO): Don't undef.
1610         * config/alpha/freebsd.h (DBX_CONTIN_CHAR): Remove.
1611         * config/alpha/alpha.c (alpha_option_override): Remove SDB_DEBUG
1612         handling.
1613         (alpha_start_function): Likewise.
1614         (sdb_label_count): Remove.
1615         (alpha_output_filename): Remove DBX_DEBUG handling.
1616         (alpha_file_start): Likewise.
1617
1618 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1619
1620         * config.gcc (enable_obsolete): Remove *-*-solaris2.8*.
1621         (*-*-solaris2.[0-8], *-*-solaris2.[0-8].*): Mark unsupported.
1622         (i[34567]86-*-solaris2*, x86_64-*-solaris2.1[0-9]*): Remove
1623         Solaris 8 support.
1624         * configure.ac (gcc_cv_ld_hidden): Remove *-*-solaris2.8*.
1625         (ld_tls_support): Remove Solaris 8 references.
1626         (lwp_dir, lwp_spec): Remove support for alternate thread library.
1627         * acinclude.m4 (gcc_cv_initfini_array): Remove *-*-solaris2.* tests.
1628         * configure: Regenerate.
1629         * config.in: Regenerate.
1630
1631         * config/sol2.h (LINK_SPEC): Remove LIB_THREAD_LDFLAGS_SPEC.
1632         * config/i386/sol2.h: Remove Solaris 8 references.
1633
1634         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Rename to ...
1635         (i?86-*-solaris2.9): ... this.
1636         Remove Solaris 8 references.
1637         (Specific, *-*-solaris2*): Document Solaris 8 removal.
1638         Remove Solaris 8 references.
1639
1640 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1641
1642         * config.gcc (enable_obsolete): Remove mips-sgi-irix6.5.
1643         (mips-sgi-irix6.5*): Remove.
1644         * config.host (mips-sgi-irix*): Remove.
1645         * configure.ac (enable_fixed_point): Remove mips*-sgi-irix*.
1646         (set_have_as_tls): Remove *-*-irix6*.
1647         (gcc_cv_ld_static_dynamic): Remove mips-sgi-irix6*.
1648         * configure: Regenerate.
1649
1650         * config/mips/iris6.h: Remove.
1651         * config/mips/iris6.opt: Remove.
1652         * config/mips/t-irix6: Remove.
1653
1654         * config/mips/mips.h (TARGET_GPWORD): Remove IRIX 6 N64 handling.
1655         (TARGET_IRIX6): Remove.
1656         (TARGET_CPU_CPP_BUILTINS): Remove IRIX 6 handling.
1657         Don't define LANGUAGE_C, _LANGUAGE_C for Objective-C.
1658         * config/mips/mips.c (mips_build_builtin_va_list): Remove IRIX 6
1659         handling.
1660         (mips_file_start): Likewise.
1661         * config/mips/mips-protos.h (irix_asm_output_align): Remove.
1662
1663         * config/mips/driver-native.c [__sgi__]: Remove.
1664         (host_detect_local_cpu) [__sgi__]: Remove.
1665
1666         * config/mips/gnu-user.h: Remove iris5.h reference.
1667
1668         * config/mips/mips-modes.def: Remove IRIX 6 reference.
1669         * config/mips/gnu-user64.h (MIPS_TFMODE_FORMAT): Remove.
1670         * config/mips/mips.c (mips_option_override) [MIPS_TFMODE_FORMAT]:
1671         Remove.
1672
1673         * gcc.c (main): Move asm_debug initialization ...
1674         (asm_debug): ... here.
1675
1676         * ginclude/stddef.h (__STDDEF_H__): Don't define.
1677
1678         * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): Remove.
1679         * system.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): Poison.
1680         * collect2.c [LINK_ELIMINATE_DUPLICATE_LDIRECTORIES]: Remove.
1681         (main) [LINK_ELIMINATE_DUPLICATE_LDIRECTORIES]: Remove.
1682         [LINK_ELIMINATE_DUPLICATE_LDIRECTORIES] (is_in_args): Remove.
1683         * doc/tm.texi.in (Driver, LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
1684         Remove.
1685         * doc/tm.texi: Regenerate.
1686
1687         * doc/invoke.texi (Debugging Options, -gdwarf-<version>): Remove
1688         IRIX 6 reference.
1689         (MIPS Options, -march): Remove IRIX reference.
1690         * doc/install.texi (Binaries, SGI IRIX): Remove.
1691         (Specific, mips-sgi-irix6): Document IRIX 6.5 removal, remove rest
1692         of section.
1693         * doc/trouble.texi (Interoperation): Remove -lgl_s handling.
1694
1695 2012-03-14  Martin Jambor  <mjambor@suse.cz>
1696
1697         * expr.c (expand_assignment): Use expand_expr with EXPAND_WRITE
1698         when expanding MEM_REFs, MEM_TARGET_REFs and handled_component bases.
1699         (expand_expr_real_1): Do not handle misalignment if modifier is
1700         EXPAND_WRITE.
1701
1702 2012-03-14  Richard Guenther  <rguenther@suse.de>
1703
1704         PR middle-end/52584
1705         * tree-vect-generic.c (type_for_widest_vector_mode): Take
1706         element type instead of mode, use build_vector_type_for_mode
1707         instead of the langhook, build a vector of proper signedness.
1708         (expand_vector_operations_1): Adjust.
1709
1710 2012-03-14  Richard Guenther  <rguenther@suse.de>
1711
1712         PR middle-end/52582
1713         * gimple-fold.c (canonicalize_constructor_val): Make sure we have
1714         a cgraph node for a FUNCTION_DECL that comes from a constructor.
1715         (gimple_get_virt_method_for_binfo): Likewise.
1716
1717 2012-03-14  Richard Guenther  <rguenther@suse.de>
1718
1719         PR tree-optimization/52571
1720         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Move
1721         flag_section_anchors check ...
1722         (vect_can_force_dr_alignment_p): ... here.  Do not re-align
1723         DECL_COMMON variables.
1724
1725 2012-03-14  Richard Guenther  <rguenther@suse.de>
1726
1727         * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
1728         * stor-layout.c (start_bitfield_representative): New function.
1729         (finish_bitfield_representative): Likewise.
1730         (finish_bitfield_layout): Likewise.
1731         (finish_record_layout): Call finish_bitfield_layout.
1732         * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
1733         for QUAL_UNION_TYPE fields.
1734         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1735         Stream DECL_BIT_FIELD_REPRESENTATIVE.
1736         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1737
1738         PR middle-end/52080
1739         PR middle-end/52097
1740         PR middle-end/48124
1741         * expr.c (get_bit_range): Unconditionally extract bitrange
1742         from DECL_BIT_FIELD_REPRESENTATIVE.
1743         (expand_assignment): Adjust call to get_bit_range.
1744
1745 2012-03-14  Richard Guenther  <rguenther@suse.de>
1746
1747         PR middle-end/52578
1748         * fold-const.c (fold_unary_loc): Fold (T1)(T2)x to (T1)x if
1749         the outermost conversion is a sign-change only.
1750         (fold_binary_loc): Disregard widening and sign-changing
1751         conversions when we determine if two variables are equal
1752         for reassociation.
1753         * tree-ssa-forwprop.c (combine_conversions): Fold (T1)(T2)x to
1754         (T1)x if the outermost conversion is a sign-change only.
1755
1756 2012-03-14  Uros Bizjak  <ubizjak@gmail.com>
1757
1758         Revert:
1759         2012-03-14  Uros Bizjak  <ubizjak@gmail.com>
1760
1761         * config/i386/predicates.md (constant_call_address_operand): Declare
1762         as special predicate.  Update all uses.
1763
1764 2012-03-13  Jakub Jelinek  <jakub@redhat.com>
1765
1766         PR c/52577
1767         * c-parser.c (c_parser_postfix_expression)
1768         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
1769
1770         * config/i386/smmintrin.h: Avoid /* within a comment.
1771         * config/i386/nmmintrin.h: Likewise.
1772
1773 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
1774
1775         * config/i386/i386.md (xbegin): Remove constraint from expander.
1776
1777 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
1778
1779         * config/i386/predicates.md (constant_call_address_operand): Declare
1780         as special predicate.  Update all uses.
1781         * config/i386/i386.md: Remove mode from constant_call_address_operand
1782         predicates.
1783         * config/i386/i386.c (ix86_output_call_insn): Call
1784         constant_call_address_operand with VOIDmode.
1785
1786 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
1787
1788         * config/i386/i386.c (ix86_decompose_address): Handle subregs of
1789         AND zero extended address correctly.
1790
1791 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
1792
1793         * config/i386/predicates.md (tls_symbolic_operand): Declare as
1794         special predicate.
1795         (tls_modbase_operand): Ditto.
1796         * config/i386/i386.md: Remove mode from tls_symbolic_operand and
1797         tls_modbase_operand predicates.
1798
1799 2012-03-13  Martin Jambor  <mjambor@suse.cz>
1800
1801         * expr.c (expand_assignment): Handle misaligned scalar writes to
1802         memory through top-level MEM_REFs by calling store_bit_field.
1803
1804 2012-03-13  Richard Guenther  <rguenther@suse.de>
1805
1806         PR middle-end/52134
1807         * fold-const.c (fold_binary_loc): Fold (X * Y) & -(1 << CST) to X * Y
1808         if Y is a constant multiple of 1 << CST.
1809
1810 2012-03-13  Georg-Johann Lay  <avr@gjlay.de>
1811
1812         PR target/52488
1813         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
1814         offset (size) to a value the insns can deal with.
1815         (expand_epilogue): Ditto.
1816
1817 2012-03-13  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1818
1819         * config/arm/neon.ml (ops): Fixup expected instructions for
1820         unsigned vector compares.
1821
1822 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
1823
1824         * config/i386/i386.c (ix86_decompose_address): Prevent %fs:(%reg)
1825         addresses only when %reg is not in word mode.
1826
1827 2012-03-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1828
1829         * config/microblaze/microblaze.md: Fix typo.
1830         * tree-if-conv.c: Likewise.
1831         * tree-vect-patterns.c: Likewise.
1832
1833 2012-03-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1834
1835         * config.gcc (extra_passes): Remove.
1836         * configure.ac (extra_passes): Don't substitute.
1837         * configure: Regenerate.
1838         * Makefile.in (EXTRA_PASSES): Remove.
1839         (GCC_PASSES): Remove $(EXTRA_PASSES).
1840         (MOSTLYCLEANFILES): Likewise.
1841         (native): Likewise.
1842         (install-common): Likewise.
1843
1844 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
1845
1846         * config/i386/i386.h (TARGET_TLS_INDIRECT_SEG_REFS): New.
1847         * config/i386/i386.c (ix86_decompose_address): Use
1848         TARGET_TLS_INDIRECT_SEG_REFS to prevent %fs:(%reg) addresses.
1849         (legitimize_tls_address): Use TARGET_TLS_INDIRECT_SEG_REFS to load
1850         thread pointer to a register.
1851
1852 2012-03-12  H.J. Lu  <hongjiu.lu@intel.com>
1853
1854         * config/i386/i386.md (*tls_global_dynamic_64_<mode>): Remove :P
1855         on tls_symbolic_operand.
1856         (tls_global_dynamic_64_<mode>): Likewise.
1857
1858 2012-03-12  Georg-Johann Lay  <avr@gjlay.de>
1859
1860         PR other/52545
1861         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
1862         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
1863
1864 2012-03-12  Georg-Johann Lay  <avr@gjlay.de>
1865
1866         PR target/52499
1867         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
1868         type from reg_class_t to enum reg_class.
1869         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
1870
1871 2012-03-12  Andrew Pinski  <apinski@cavium.com>
1872
1873         * tree-ssa-phiopt.c (single_non_singleton_phi_for_edges): New function.
1874         (tree_ssa_phiopt_worker): Use single_non_singleton_phi_for_edges.
1875         (value_replacement): Likewise.
1876         (empty_block_p): Check also if the PHIs for the block are empty.
1877
1878 2012-03-12  Georg-Johann Lay  <avr@gjlay.de>
1879
1880         PR target/52148
1881         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
1882         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
1883         r184615 from 2012-02-28.
1884
1885 2012-03-12  H.J. Lu  <hongjiu.lu@intel.com>
1886
1887         * config/i386/i386.c (ix86_gen_tls_global_dynamic_64): New.
1888         (ix86_gen_tls_local_dynamic_base_64): Likewise.
1889         (ix86_option_override_internal): Set ix86_gen_tls_global_dynamic_64
1890         and ix86_gen_tls_local_dynamic_base_64.
1891         (legitimize_tls_address): Use ix86_gen_tls_global_dynamic_64 and
1892         ix86_gen_tls_local_dynamic_base_64.
1893
1894         * config/i386/i386.md (*tls_global_dynamic_64): Renamed to ...
1895         (*tls_global_dynamic_64_<mode>): This.
1896         (tls_global_dynamic_64): Renamed to ...
1897         (tls_global_dynamic_64_<mode>): This.
1898         (*tls_local_dynamic_base_64): Renamed to ...
1899         (*tls_local_dynamic_base_64_<mode>): This.
1900         (tls_local_dynamic_base_64): Renamed to ...
1901         (tls_local_dynamic_base_64_<mode>): This.
1902
1903 2012-03-12  H.J. Lu  <hongjiu.lu@intel.com>
1904
1905         * config/i386/i386.c (ix86_option_override_internal): Properly
1906         set ix86_gen_leave and ix86_gen_monitor.  Check Pmode == DImode,
1907         instead of TARGET_64BIT, to set ix86_gen_add3, ix86_gen_sub3,
1908         ix86_gen_one_cmpl2, ix86_gen_andsp, ix86_gen_allocate_stack_worker,
1909         ix86_gen_adjust_stack_and_probe and ix86_gen_probe_stack_range.
1910
1911         * config/i386/sse.md (sse3_monitor64): Renamed to ...
1912         (sse3_monitor64_<mode>): This.
1913
1914 2012-03-12  Tristan Gingold  <gingold@adacore.com>
1915
1916         * config/ia64/ia64.c (ia64_function_arg_1): Move code around.
1917         (ia64_function_arg_advance): Ditto.
1918
1919 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1920
1921         * config.gcc (mips*-*-openbsd*): Remove.
1922         * config/mips/openbsd.h: Remove.
1923         * config/mips/sdb.h: Remove.
1924
1925         * config/mips/mips.h (SDB_OUTPUT_SOURCE_LINE): Remove.
1926         * config/mips/mips.c (sdb_label_count): Remove.
1927         (mips_debugger_offset): Remove #if 0 code.
1928         (mips_output_function_prologue) [SDB_DEBUGGING_INFO]: Remove.
1929         * config/mips/sde.h (SDB_DEBUGGING_INFO): Don't undef.
1930
1931 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1932
1933         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
1934         binutils reference.
1935         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
1936         Update binutils references.
1937         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
1938         Update binutils reference.
1939         Update Sun as/GNU ld caveat.
1940         Document binutils largefile requirement for LTO plugin.
1941         Remove reference to alternate libpthread.
1942
1943 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1944
1945         * config.gcc (alpha*-dec-osf5.1*): Remove.
1946         * config.host (alpha*-dec-osf*): Remove.
1947         * configure.ac (*-*-osf*): Remove.
1948         (alpha*-dec-osf*): Remove.
1949         * configure: Regenerate.
1950
1951         * config/alpha/host-osf.c, config/alpha/osf5.h, config/alpha/osf5.opt,
1952         config/alpha/va_list.h, config/alpha/x-osf: Remove.
1953
1954         * config/alpha/alpha.h (TARGET_LD_BUGGY_LDGP): Remove.
1955         * config/alpha/alpha.c (struct machine_function): Update comment.
1956         (alpha_start_function): Remove Tru64 UNIX as handling for
1957         max_frame_size.
1958         * config/alpha/alpha.md ("exception_receiver"): Remove
1959         TARGET_LD_BUGGY_LDGP.
1960         ("*exception_receiver_2"): Likewise.
1961         * except.c (finish_eh_generation): Remove Tru64 reference.
1962         * ginclude/stdarg.h [_HIDDEN_VA_LIST]: Don't undef _VA_LIST.
1963         * system.h (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Poison.
1964         * target.def (handle_pragma_extern_prefix): Remove.
1965
1966         * Makefile.in (mips-tfile.o-warn): Remove.
1967         (ALL_HOST_BACKEND_OBJS): Remove mips-tfile.o, mips-tdump.o.
1968         (mips-tfile, mips-tfile.o, mips-tdump, mips-tdump.o): Remove.
1969         * mips-tdump.c, mips-tfile.c: Remove.
1970
1971         * doc/extend.texi (Symbol-Renaming Pragmas): Remove #pragma
1972         extern_prefix.
1973         * doc/install.texi (Binaries): Remove Tru64 UNIX reference.
1974         (Specific, alpha*-dec-osf5.1): Note removal.
1975         * doc/tm.texi.in (Misc, TARGET_HANDLE_PRAGMA_EXTERN_PREFIX):
1976         Remove.
1977         * doc/tm.texi: Regenerate.
1978         * doc/trouble.texi (Cross-Compiler Problems): Remove.
1979
1980 2012-03-12  Richard Guenther  <rguenther@suse.de>
1981
1982         * config/arm/arm.c (neon_dereference_pointer): Do not call
1983         covert during RTL expansion.
1984
1985 2012-03-12  Tristan Gingold  <gingold@adacore.com>
1986
1987         * doc/invoke.texi (VMS Options): Merge Alpha/VMS and IA-64/VMS
1988         Options.  Mention -mpointer-size.
1989
1990 2012-03-12  Richard Guenther  <rguenther@suse.de>
1991
1992         * config/alpha/alpha.c (alpha_gimplify_va_arg): Use
1993         build_nonstandard_integer_type.
1994
1995 2012-03-12  Richard Guenther  <rguenther@suse.de>
1996
1997         * tree.c (signed_or_unsigned_type_for): Use
1998         build_nonstandard_integer_type.
1999         (signed_type_for): Adjust documentation.
2000         (unsigned_type_for): Likewise.
2001         * tree-pretty-print.c (dump_generic_node): Use standard names
2002         for non-standard integer types if available.
2003
2004 2012-03-12  Tristan Gingold  <gingold@adacore.com>
2005
2006         * config/vms/vms.opt: Add vms-opts.h header.
2007         (mmalloc64): Use flag_vms_malloc64 flag instead of MALLOC64
2008         target mask.
2009         (-mvms-return-codes): Document.
2010         (-mpointer-size): New option.
2011         (vms_pointer_size): Add enumeration.
2012         * config/vms/vms-opts.h: New file.
2013         * config/vms/vms.h (TARGET_OS_CPP_BUILTINS): Define
2014         __INITIAL_POINTER_SIZE.
2015         (POINTER_SIZE, SIZE_TYPE, PTRDIFF_TYPE): Adjust definition.
2016         (C_COMMON_OVERRIDE_OPTIONS): Define.
2017         (DWARF2_ADDR_SIZE): Define.
2018         * config/vms/vms.c (vms_patch_builtins): Adjust condition.
2019         * config/vms/vms-protos.h (vms_c_common_override_options):
2020         New prototype.
2021         * config/vms/vms-c.c (vms_pragma_pointer_size): Ignore pragma
2022         if -mno-pointer-size.
2023         (vms_c_common_override_options): New function.
2024         * config/ia64/vms.h (TARGET_DEFAULT): Remove MASK_MALLOC64.
2025         * config/alpha/vms.h (TARGET_DEFAULT): Remove MASK_MALLOC64.
2026         (MALLOC_ABI_ALIGNMENT): Use flag_vms_malloc64
2027         and flag_vms_pointer_size.
2028         (MASK_RETURN_ADDR): Set according to flag_vms_pointer_size.
2029         * config.gcc (*-*-*vms*): Define xm_file.
2030         (alpha*-dec-*vms*): Do not define xm_file.
2031         (alpha64-dec-*vms*): Remove.
2032         (ia64-hp-*vms*): Do not define xm_file.  Simplify tm_file
2033         and tmake_file.
2034
2035 2012-03-12  Jakub Jelinek  <jakub@redhat.com>
2036
2037         PR tree-optimization/51721
2038         * tree-vrp.c (register_edge_assert_for_2): Add asserts for unsvar
2039         if (int) unsvar cmp CST.
2040
2041 2012-03-12  Richard Guenther  <rguenther@suse.de>
2042
2043         * tree-sra.c (create_access_replacement): Only rename the replacement
2044         if we can rewrite it into SSA form.  Properly mark register typed
2045         replacements that we cannot rewrite with TREE_ADDRESSABLE.
2046         * tree-cfg.c (verify_expr): Fix BIT_FIELD_REF verification
2047         for aggregate or BLKmode results.
2048
2049 2012-03-12  Jakub Jelinek  <jakub@redhat.com>
2050
2051         PR tree-optimization/52533
2052         * tree-vrp.c (register_edge_assert_for_2): Use double_int
2053         type for mask, only handle shifts by non-zero in-range
2054         shift count, for LE_EXPR and GT_EXPR if new_val is
2055         maximum, don't add the assertion.
2056
2057 2012-02-12  Kirill Yukhin  <kirill.yukhin@intel.com>
2058
2059         * doc/invoke.texi: Document -mrtm option.
2060         * common/config/i386/i386-common.c (OPTION_MASK_ISA_RTM_SET): New.
2061         (OPTION_MASK_ISA_RTM_UNSET): Ditto.
2062         (ix86_handle_option): Handle OPT_mrtm.
2063         * config.gcc (i[34567]86-*-*): Add rtmintrin.h and
2064         xtestintrin.h.
2065         (x86_64-*-*): Ditto.
2066         * i386-builtin-types.def (INT_FTYPE_VOID): New.
2067         * config/i386/i386-c.c (ix86_target_macros_internal): Define
2068         __RTM__ if needed.
2069         (ix86_target_string): Define -mrtm option.
2070         (PTA_RTM): New.
2071         (ix86_option_override_internal): Extend "corei7-avx" with RTM option.
2072         Handle new option.
2073         (ix86_valid_target_attribute_inner_p): Add OPT_mrtm.
2074         (ix86_builtins): Add IX86_BUILTIN_XBEGIN, IX86_BUILTIN_XEND,
2075         IX86_BUILTIN_XTEST.
2076         (bdesc_special_args): Ditto.
2077         (ix86_init_mmx_sse_builtins): Add IX86_BUILTIN_XABORT.
2078         (ix86_expand_special_args_builtin): Handle new built-in type.
2079         (ix86_expand_builtin): Handle XABORT instruction.
2080         * config/i386/i386.h (TARGET_RTM): New.
2081         * config/i386/i386.md (UNSPECV_XBEGIN): New.
2082         (UNSPECV_XEND): Ditto.
2083         (UNSPECV_XABORT): Ditto.
2084         (UNSPECV_XTEST): Ditto.
2085         (xbegin): Ditto.
2086         (xbegin_1): Ditto.
2087         (xend): Ditto.
2088         (xabort): Ditto
2089         (xtest): Ditto.
2090         (xtest_1): Ditto.
2091         * config/i386/i386.opt (mrtm): New.
2092         * config/i386/immintrin.h: Include rtmintrin.h and xtestintrin.h.
2093         * config/i386/rtmintrin.h: New header.
2094         * config/i386/xtestintrin.h: Ditto.
2095
2096 2012-03-12  Tristan Gingold  <gingold@adacore.com>
2097
2098         * ginclude/stddef.h: Adjust previous patch.
2099         Use __VMS__ instead of VMS.
2100
2101 2012-03-12  Uros Bizjak  <ubizjak@gmail.com>
2102
2103         * config/i386/i386.md (setcc + movzbl to xor + setcc peephole2):
2104         Also convert sequences with CC setting arithmetic instruction.
2105
2106 2012-03-11  Sandra Loosemore  <sandra@codesourcery.com>
2107
2108         * doc/invoke.texi (Option Summary): Move -no-integrated-cpp
2109         from C Language Options to Preprocessor Options.
2110         (C Dialect Options): Move -no-integrated-cpp documentation
2111         from here...
2112         (Preprocessor Options): ...to here.  Rewrite the description
2113         so it makes more sense, and remove discussion of merging front ends.
2114
2115 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
2116
2117         * config/i386/i386.c (ix86_expand_movmem): Use word_mode for size
2118         needed for loop.
2119         (ix86_expand_setmem): Likewise.
2120
2121 2012-03-11  Uros Bizjak  <ubizjak@gmail.com>
2122
2123         * config/i386/i386.c (ix86_zero_extend_to_Pmode): Rewrite using
2124         convert_to_mode.
2125
2126 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
2127
2128         * config/i386/i386.c (ix86_trampoline_init): Use movl for 64bit if
2129         ptr_mode == SImode.  Replace DImode with Pmode or ptr_mode.
2130
2131 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
2132
2133         * config/i386/i386.c (x86_this_parameter): Replace DImode with Pmode.
2134
2135 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
2136
2137         * config/i386/i386.md (lwp_slwpcb): Check Pmode instead of
2138         TARGET_64BIT.
2139
2140 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
2141             Uros Bizjak  <ubizjak@gmail.com>
2142
2143         * config/i386/predicates.md (call_insn_operand): Allow
2144         constant_call_address_operand in Pmode only.
2145         (sibcall_insn_operand): Ditto.
2146         * config/i386/i386.md (*call): Use W mode iterator instead of P mode.
2147         (*call_vzeroupper): Ditto.
2148         (*sibcall): Ditto.
2149         (*sibcall_vzeroupper): Ditto.
2150         (*call_value): Ditto.
2151         (*call_value_vzeroupper): Ditto.
2152         (*sibcall_value): Ditto.
2153         (*sibcall_value_vzeroupper): Ditto.
2154         (*indirect_jump): Ditto.
2155         (*tablejump_1): Ditto.
2156         (indirect_jump): Convert memory address to word mode for TARGET_X32.
2157         (tablejump): Ditto.
2158         * config/i386/i386.c (ix86_expand_call): Convert indirect operands
2159         to word mode.
2160
2161 2012-03-11  Oleg Endo  <olegendo@gcc.gnu.org>
2162
2163         PR target/51244
2164         * config/sh/sh.md (movnegt): Expand into respective insns immediately.
2165         Use movrt_negc instead of negc pattern for non-SH2A.
2166         (*movnegt): Remove.
2167         (*movrt_negc, *negnegt, *movtt, *movt_qi): New insns and splits.
2168
2169 2012-03-10  H.J. Lu  <hongjiu.lu@intel.com>
2170
2171         * config/i386/i386.c (ix86_decompose_address): Disallow fs:(reg)
2172         if Pmode != word_mode.
2173         (legitimize_tls_address): Call gen_tls_initial_exec_x32 if
2174         Pmode == SImode for TARGET_X32.
2175
2176         * config/i386/i386.md (UNSPEC_TLS_IE_X32): New.
2177         (tls_initial_exec_x32): Likewise.
2178
2179 2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
2180
2181         PR rtl-optimization/52528
2182         * combine.c (can_combine_p): Add setting of subst_low_luid
2183         before call to expand_field_assignment().
2184
2185 2012-03-09  Sandra Loosemore  <sandra@codesourcery.com>
2186
2187         * doc/invoke.texi: Use correct names/markup for "GCC", "GDB", "ld",
2188         and related program names.
2189
2190 2012-03-09  Sandra Loosemore  <sandra@codesourcery.com>
2191
2192         * doc/invoke.texi: Use correct names for "DWARF", "stabs", and "ELF".
2193
2194 2012-03-09  Uros Bizjak  <ubizjak@gmail.com>
2195
2196         PR target/52530
2197         * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
2198         (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
2199         to set code to 'q'.
2200         * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
2201         (*movdi_internal_rex64): Use %E operand modifier for lea.
2202         (*movsi_internal): Ditto.
2203         (*lea_1): Ditto.
2204         (*lea<mode>_2): Ditto.
2205         (*lea_{3,4,5,6}_zext): Ditto.
2206         (*tls_global_dynamic_32_gnu): Ditto.
2207         (*tls_global_dynamic_64): Ditto.
2208         (*tls_dynamic_gnu2_lea_32): Ditto.
2209         (*tls_dynamic_gnu2_lea_64): Ditto.
2210         (pro_epilogue_adjust_stack_<mode>_add): Ditto.
2211
2212 2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
2213
2214         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
2215         redefine to be NULL if the current bit-size is different from the
2216         configured bit-size.
2217
2218         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
2219         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
2220         set the default tuning.  Add asserts to make sure the cpu and tune
2221         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
2222         test whether the index is set, instead of > 0.
2223         (rs6000_file_start): Do not reset the default cpu if the current
2224         bit-size is different from the configured bit-size.
2225
2226 2012-03-09  Tristan Gingold  <gingold@adacore.com>
2227
2228         * config/vms/vms-crtlmap.map: Add comments.
2229         Add entries needed to build Ada RTS.
2230
2231 2012-03-09  Tristan Gingold  <gingold@adacore.com>
2232
2233         * ginclude/stddef.h: Do not define __size_t on VMS.
2234
2235 2012-03-09  Tristan Gingold  <gingold@adacore.com>
2236
2237         * c-tree.h (c_default_pointer_mode): New variable.
2238         * c-decl.c (c_default_pointer_mode): New variable.
2239         (c_build_pointer_type): New function.
2240         (grokdeclarator): Call c_build_pointer_type instead
2241         of build_pointer_type.
2242
2243         * config/vms/vms-c.c: Include c-tree.h
2244         (saved_pointer_mode): New variable.
2245         (handle_pragma_pointer_size): New function.
2246         (vms_pragma_pointer_size, vms_pragma_required_pointer_size): Likewise.
2247         (vms_c_register_pragma): Register __pointer_size and
2248         __required_pointer_size pragmas.
2249
2250 2012-03-09  Tristan Gingold  <gingold@adacore.com>
2251
2252         * config/vms/vms-c.c (vms_construct_include_filename): New function.
2253         (vms_c_register_includes): Reference it.
2254
2255 2012-03-09  Andrew Pinski  <apinski@cavium.com>
2256
2257         PR middle-end/51988
2258         * tree-ssa-phiopt.c: Include tree-pretty-print.h for
2259         print_generic_expr.
2260         (tree_ssa_phiopt_worker): Go through all the PHIs for
2261         value_replacement instead of just the singleton one.
2262         (value_replacement): Change return type to int.  Return 0 instead of
2263         false.
2264         Allow the middle basic block to contain more than just the defining
2265         statement.
2266         Handle non empty middle basic blocks.
2267         * Makefile.in (tree-ssa-phiopt.o): Add tree-pretty-print.h.
2268
2269 2012-03-09  Jiangning Liu  <jiangning.liu@arm.com>
2270
2271         * tree-scalar-evolution (interpret_rhs_expr): generate chrec for
2272         array reference and component reference.
2273         (analyze_scalar_evolution_for_address_of): New.
2274
2275 2012-03-08  Jie Zhang  <jzhang918@gmail.com>
2276
2277         PR target/49862
2278         * config/bfin/bfin.c (hwloop_optimize): Fix unused variable warnings.
2279         (hwloop_pattern_reg): Fix set but not used warning.
2280         (bfin_reorg_loops): Remove unused parameter.
2281         (bfin_reorg): Update use of bfin_reorg_loops.
2282
2283 2012-03-08  H.J. Lu  <hongjiu.lu@intel.com>
2284
2285         * config/i386/i386.c (setup_incoming_varargs_64): Use word_mode
2286         with integer parameters in registers.
2287         (gen_push): Push register in word_mode instead of Pmode.
2288         (ix86_emit_save_regs): Likewise.
2289         (ix86_emit_save_regs_using_mov): Save integer registers in word_mode.
2290         (gen_pop): Pop register in word_mode instead of Pmode.
2291         (ix86_emit_restore_regs_using_pop): Likewise.
2292         (ix86_expand_prologue): Replace Pmode with word_mode for push
2293         immediate.  Use ix86_gen_pro_epilogue_adjust_stack.  Save and
2294         restore RAX and R10 in word_mode.
2295         (ix86_emit_restore_regs_using_mov): Restore integer registers
2296         in word_mode.
2297         (ix86_expand_split_stack_prologue): Save R10_REG and restore in
2298         word_mode.
2299         (ix86_split_to_parts): Use word_mode with PUT_MODE for push.
2300         (ix86_split_long_move): Likewise.
2301
2302         * config/i386/i386.md (W): New.
2303         (*push<mode>2_prologue): Replace :P with :W.
2304         (*pop<mode>1): Likewise.
2305         (*pop<mode>1_epilogue): Likewise.
2306         (push/pop peephole2): Use word_mode scratch registers.
2307
2308 2012-03-08  Uros Bizjak  <ubizjak@gmail.com>
2309
2310         * config/i386/predicates.md (indirect_branch_operand): Simplify.
2311
2312 2012-03-08  Georg-Johann Lay  <avr@gjlay.de>
2313
2314         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
2315         for constants in [-63,63].
2316
2317 2012-03-08  Uros Bizjak  <ubizjak@gmail.com>
2318
2319         PR target/52530
2320         Revert:
2321         2012-03-04  H.J. Lu  <hongjiu.lu@intel.com>
2322
2323         * config/i386/i386.c (ix86_print_operand_address): Only handle
2324         zero-extended DImode addresses.
2325
2326 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2327
2328         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
2329         * configure: Regenerate.
2330
2331 2012-03-08  Georg-Johann Lay  <avr@gjlay.de>
2332
2333         PR target/52496
2334         * config/avr/avr.c (avr_mem_clobber): New static function.
2335         (avr_expand_delay_cycles): Add memory clobber operand to
2336         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
2337         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
2338         (enable_interrupt, disable_interrupt): New expander.
2339         (nopv, sleep, wdr): New expanders.
2340         (delay_cycles_1): Add memory clobber.
2341         (delay_cycles_2): Add memory clobber.
2342         (delay_cycles_3): Add memory clobber.
2343         (delay_cycles_4): Add memory clobber.
2344         (cli_sei): New insn from former "enable_interrupt",
2345         "disable_interrupt" with memory clobber.
2346         (*wdt): New insn from former "wdt" with memory clobber.
2347         (*nopv): Similar, but for "nopv".
2348         (*sleep): Similar, but for "sleep".
2349
2350 2012-03-07  Oleg Endo  <olegendo@gcc.gnu.org>
2351             Kaz Kojima  <kkojima@gcc.gnu.org>
2352
2353         PR target/52503
2354         * config/sh/sh.opt (msoft-atomic): Use Var instead of Mask.
2355         * config/sh/linux.h (TARGET_DEFAULT): Remove MASK_SOFT_ATOMIC.
2356         (SUBTARGET_OVERRIDE_OPTIONS): Define.
2357
2358 2012-03-07  Uros Bizjak  <ubizjak@gmail.com>
2359
2360         * config/i386/predicates.md (x86_64_zext_general_operand): New.
2361         * config/i386/i386.md (*zero_extendsidi2_rex64): Change operand 1
2362         predicate to x86_64_zext_general_operand.  Accept "Z" constraint.
2363
2364 2012-03-07  Walter Lee  <walt@tilera.com>
2365
2366         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
2367         REG_CFA_* notes for the stack pointer.
2368         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
2369         EH_RETURN_STACKADJ_RTX.
2370         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
2371         generate REG_CFA_* notes for the stack pointer.
2372         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
2373         by EH_RETURN_STACKADJ_RTX.
2374
2375 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
2376
2377         * doc/invoke.texi (AVR Built-in Macros): Correct condition for
2378         when __AVR_3_BYTE_PC__ is defined.
2379
2380 2012-03-07  Uros Bizjak  <ubizjak@gmail.com>
2381
2382         * config/i386/i386.c (ix86_print_operand_punct_valid_p): Add '^'.
2383         (ix86_print_operand): Handle '^'.
2384         * config/i386/i386.md (*strmovdi_rex_1): Macroize memory operands
2385         using P mode iterator.  Add %^ to asm template to conditionally emit
2386         addr32 prefix.
2387         (*rep_movdi_rex64): Ditto.
2388         (*strsetdi_rex_1): Ditto.
2389         (*rep_stosdi_rex64): Ditto.
2390         (*strmov{si,hi,qi}_1): Add %^ to asm template to
2391         conditionally emit addr32 prefix.
2392         (*rep_mov{si,qi}): Ditto.
2393         (*strset{si,hi,qi}): Ditto.
2394         (*rep_stos{si,qi}): Ditto.
2395         (*cmpstrnqi_nz_1): Ditto.
2396         (*cmpstrnqi_1): Ditto.
2397         (*strlenqi_1): Ditto.
2398
2399 2012-03-07  H.J. Lu  <hongjiu.lu@intel.com>
2400
2401         * config/i386/i386.c (function_value_64): Return pointers in
2402         word_mode instead of Pmode.
2403         (ix86_promote_function_mode): Likewise.
2404
2405 2012-03-07  Richard Guenther  <rguenther@suse.de>
2406
2407         * coverage.c (get_gcov_type): Use type_for_mode.
2408         (get_gcov_unsigned_t): Likewise.
2409         * expr.c (store_constructor): Use type_for_mode.
2410         (try_casesi): Likewise.
2411         * tree-ssa-loop-ivopts.c (add_standard_iv_candidates_for_size): Remove.
2412         (add_standard_iv_candidates): Use standard type trees.
2413         * dojump.c (do_jump): Remove dead code.
2414
2415 2012-03-07  Richard Guenther  <rguenther@suse.de>
2416
2417         * c-typeck.c (pointer_diff): Use c_common_type_for_size.
2418
2419 2012-03-07  Richard Guenther  <rguenther@suse.de>
2420
2421         * convert.c (strip_float_extensions): Move ...
2422         * tree.c (strip_float_extensions): ... here.
2423
2424 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
2425
2426         PR target/52484
2427         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
2428
2429 2012-03-07  Richard Guenther  <rguenther@suse.de>
2430
2431         * omp-low.c (extract_omp_for_data): Use signed_type_for.
2432         (expand_omp_for_generic): Likewise.
2433         (expand_omp_for_static_nochunk): Likewise.
2434         (expand_omp_for_static_chunk): Likewise.
2435         * tree-vect-stmts.c (vect_gen_perm_mask): Use type_for_mode.
2436         * tree-vect-slp.c (vect_transform_slp_perm_load): Likewise.
2437         * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop):
2438         Use unsigned_type_for.
2439         (vect_create_cond_for_align_checks): Use signed_type_for.
2440
2441 2012-03-07  Andrey Belevantsev  <abel@ispras.ru>
2442
2443         PR rtl-optimization/52203
2444         * sel-sched.c (estimate_insn_cost): New parameter pempty.  Adjust
2445         all callers to pass NULL except ...
2446         (reset_sched_cycles_in_current_ebb): ... here, save the value
2447         in new variable 'empty'.  Increase issue_rate only for
2448         non-empty insns.
2449
2450 2012-03-07  Ralf Corsépius  <ralf.corsepius@rtems.org>
2451
2452         PR target/51417
2453         * Makefile.in: Let install-gcc-ar depend on installdirs,
2454         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
2455         Don't double canonicalize if cross-compiling.
2456
2457 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
2458
2459         PR target/52506
2460         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
2461         to: RAMPZ, RAMPY, RAMPX, RAMPD.
2462         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
2463
2464 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
2465
2466         PR target/52505
2467         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
2468         from RAM.
2469         * config/avr/avr.md (xload_8): Adjust insn length.
2470
2471 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
2472
2473         PR target/52461
2474         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
2475         if RAMPZ affects reading from RAM.
2476
2477 2012-03-07  Richard Guenther  <rguenther@suse.de>
2478
2479         PR pch/52518
2480         PR pch/38987
2481         * doc/invoke.texi (Precompiled Headers): Remove sentence that
2482         suggests you can include PCHs from inside another header.
2483
2484 2012-03-07  Richard Sandiford  <rdsandiford@googlemail.com>
2485
2486         PR middle-end/52515
2487         * rtl.h (pc_rtx, cc0_rtx, ret_rtx, simple_return_rtx): Add GTY markers.
2488
2489 2012-03-07  Kai Tietz  <ktietz@redhat.com>
2490
2491         * doc/invoke.texi (fwritable-relocated-rdata): Document
2492         new Cygwin/MinGW target option.
2493         * config/i386/winnt.c (i386_pe_unique_section): Ignore
2494         reloc if flag -fwritable-relocated-rdata is not set.
2495         (i386_pe_section_type_flags): Likewise.
2496         * config/i386/cygming.opt (fwritable-relocated-rdata):
2497         Add new flag variable flag_writable_rel_rdata.
2498
2499 2012-03-07  Richard Guenther  <rguenther@suse.de>
2500
2501         * tree-ssa-math-opts.c (convert_mult_to_widen): Check actual
2502         precision against gimple constraints.
2503
2504 2012-03-06  Richard Sandiford  <rdsandiford@googlemail.com>
2505
2506         PR middle-end/52372
2507         * rtl.h (pc_rtx, ret_rtx, simple_return_rtx, cc0_rtx): Redefine as
2508         variables.
2509         (GR_PC, GR_CC0, GR_RETURN, GR_SIMPLE_RETURN): Delete.
2510         * emit-rtl.c (pc_rtx, ret_rtx, simple_return_rtx, cc0_rtx): New
2511         variables.
2512         (init_emit_regs): Move associated initialization to...
2513         (init_emit_once): ...here.
2514
2515 2012-03-06  Richard Henderson  <rth@redhat.com>
2516
2517         * config/m68k/m68k.h (ISA_HAS_TAS): New.
2518         * config/m68k/sync.md (atomic_test_and_set): Use it.
2519         (atomic_test_and_set_1): Likewise.
2520
2521 2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
2522
2523         PR target/50310
2524         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
2525         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
2526         (vector_ltgt<mode>): Likewise.
2527         (vector_ordered<mode>): Likewise.
2528         (vector_unordered<mode>): Likewise.
2529         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
2530
2531 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
2532
2533         * trans-mem.c: New typedef for tm_region_p.
2534         Define vector types for tm_region_p.
2535         (tm_region_init): Replace region_worklist to a vector called
2536         bb_regions.
2537
2538 2012-03-06  Richard Guenther  <rguenther@suse.de>
2539
2540         * fold-const.c (build_fold_addr_expr_with_type_loc): Fold
2541         MEM_REF with constant pointer operand.
2542
2543 2012-03-06  Richard Guenther  <rguenther@suse.de>
2544
2545         PR middle-end/52493
2546         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
2547
2548 2012-03-06  Tristan Gingold  <gingold@adacore.com>
2549
2550         * config/vms/vms-c.c (vms_pragma_nomember_alignment): Handle octaword.
2551         (external_model_kind): Improve documentation.
2552         (vms_pragma_extern_model): Handle relaxed_redef.
2553         (vms_c_register_pragma): Allow expansion for nomember_alignment.
2554
2555 2012-03-06  Georg-Johann Lay  <avr@gjlay.de>
2556
2557         * doc/invoke.texi (AVR Options): -mmcu=: Document the XMEGA cores.
2558         Explain RAMPD, RAMPX, RAMPDY, RAMPZ usage by avr-gcc.
2559         Some more notes on EIND usage and reorder EIND subsection.
2560
2561 2012-03-06  Tristan Gingold  <gingold@adacore.com>
2562
2563         * config/vms/vms.c (VMS_CRTL_LDBL): Rename from VMS_CRTL_PRNTF.
2564         * config/vms/vms-crtlmap.map: Rename PRNTF to LDBL.
2565
2566 2012-03-06  Tristan Gingold  <gingold@adacore.com>
2567
2568         * config/vms/t-vmsnative (version): Define.
2569         * config/vms/t-vms (STMP_FIXPROTO, STMP_FIXINC, version): Remove.
2570
2571 2012-03-06  Andrey Belevantsev  <abel@ispras.ru>
2572
2573         PR rtl-optimization/52250
2574         * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
2575         to put note list into.  Unconditionally call move_bb_info.
2576         (move_bb_info): Do not assert the blocks being in the same region,
2577         just drop the note list if they are not.
2578
2579 2012-03-06  Oleg Endo  <olegendo@gcc.gnu.org>
2580
2581         PR target/51244
2582         * config/sh/sh.c (sh_expand_t_scc): Remove SH2A special case
2583         and use unified expansion logic.
2584         * config/sh/sh.md (xorsi3_movrt): Rename to movrt.  Move
2585         closer to the existing movt insn.
2586         (negc): Rename insn to *negc.  Add new expander.
2587         (movnegt): Use xor pattern for T bit negation.  Reserve helper
2588         constant for negc pattern.
2589         (*movnegt): New insn and splitter.
2590
2591 2012-03-05  Bernd Schmidt  <bernds@codesourcery.com>
2592
2593         * c-typeck.c (pointer_diff): Check for POINTER_PLUS_EXPR, not
2594         PLUS_EXPR.
2595
2596 2012-03-05  Richard Henderson  <rth@redhat.com>
2597
2598         * genemit.c (main): Include "target.h" in insn-emit.c.
2599         * Makefile.in (insn-emit.o): Depend on TARGET_H.
2600         * config/sh/sync.md (atomic_test_and_set): Reference
2601         targetm.atomic_test_and_set_trueval instead of
2602         TARGET_ATOMIC_TEST_AND_SET_TRUEVAL.
2603
2604 2012-03-05  Joern Rennecke  <joern.rennecke@embecosm.com>
2605
2606         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
2607         Make static.
2608
2609 2012-03-05  Steven Bosscher  <steven@gcc.gnu.org>
2610
2611         * langhooks.c (add_builtin_type): New function.
2612         * langhooks.h (add_builtin_type): Export it.
2613         * config/mep/mep.c (mep_init_builtins): Use it.
2614         * config/rs6000/rs6000.c (rs6000_init_builtins): Use it.
2615
2616 2012-03-05  Jakub Jelinek  <jakub@redhat.com>
2617
2618         PR debug/51902
2619         * tree.h (BLOCK_SAME_RANGE): Define.
2620         * function.c (block_fragments_nreverse): Clear BLOCK_SAME_RANGE
2621         if BLOCK_FRAGMENT_CHAIN is non-NULL, but has it cleared.
2622         Also clear BLOCK_SAME_RANGE if fragment chain's supercontext fragment
2623         isn't equal to supercontext fragment's fragment chain.
2624         Adjust BLOCK_SUPERCONTEXT to point to supercontext fragment's
2625         fragment origin.
2626         (blocks_nreverse_all): Likewise.
2627         (reorder_blocks_1): Compute BLOCK_SAME_RANGE bits.  Set
2628         BLOCK_SUPERCONTEXT to supercontext fragment instead of
2629         supercontext fragment's fragment origin.
2630         * dwarf2out.c (add_high_low_attributes): If stmt has the same
2631         range as its parent (or parents thereof etc.), use the parent's
2632         DW_AT_ranges value instead of creating a new .debug_ranges range.
2633
2634 2012-03-05  Richard Henderson  <rth@redhat.com>
2635
2636         PR tree-opt/52242
2637         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
2638         * omp-low.c (expand_omp_atomic): Assume anything aligned to
2639         BIGGEST_ALIGNMENT is aligned.
2640
2641 2012-03-05  Richard Henderson  <rth@redhat.com>
2642
2643         * config/sh/sh.h (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Move...
2644         * config/sh/sh.c: ... here.
2645
2646 2012-03-05  Richard Henderson  <rth@redhat.com>
2647
2648         PR target/52481
2649         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
2650         instead of calling negqi2 directly.
2651
2652 2012-03-05  Aldy Hernandez  <aldyh@redhat.com>
2653
2654         PR middle-end/52463
2655         * trans-mem.c (tm_region_init): Use last_basic_block.
2656
2657 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
2658
2659         * config/sh/sh.h (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
2660         * config/sh/sync.md (atomic_test_and_set): New expander.
2661         (tasb, atomic_test_and_set_soft): New insns.
2662         * config/sh/sh.opt (menable-tas): New option.
2663         * doc/invoke.texi (SH Options): Document it.
2664
2665 2012-03-05  Richard Guenther  <rguenther@suse.de>
2666
2667         * cfgloop.c (verify_loop_structure): Verify dominators before
2668         using them.
2669         * graphite-clast-to-gimple.c (graphite_verify): Do not verify
2670         dominators from here.
2671         * graphite-scop-detection.c (create_sese_edges): Likewise.
2672         * loop-doloop.c (doloop_optimize_loops): Likewise.
2673         * loop-init.c (loop_optimizer_init): Likewise.
2674         * loop-unroll.c (unroll_and_peel_loops): Likewise.
2675         * loop-unswitch.c (unswitch_loops): Likewise.
2676         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Likewise.
2677         * tree-parloops.c (parallelize_loops): Likewise.  Verify
2678         only when checking is enabled.
2679         * tree-loop-distribution.c (tree_loop_distribution): Likewise.
2680
2681 2012-03-05  Bernd Schmidt  <bernds@codesourcery.com>
2682
2683         * genautomata.c (parse_automata_opt): New static function.
2684         (initiate_automaton_gen): Remove all option handling code.  Remove
2685         argc argument.  All callers changed.
2686         (main): Call init_rtx_reader_args_cb with the new function as argument.
2687
2688 2012-03-05  Richard Guenther  <rguenther@suse.de>
2689
2690         * cfgexpand.c (gimple_expand_cfg): Free dominator info.
2691         * tree-if-conv.c (combine_blocks): Free post-dominator info
2692         after breaking it.
2693         * tree-parloops.c (create_parallel_loop): Free and re-compute
2694         dominator info after breaking it.
2695
2696 2012-03-05  Richard Guenther  <rguenther@suse.de>
2697
2698         PR middle-end/52353
2699         * optabs.h (trapv_unoptab_p): New function.
2700         (trapv_binoptab_p): Likewise.
2701         * optabs.c (expand_binop): Use emit_libcall_block_1 with
2702         a proper equiv_may_trap argument.
2703         (expand_unop): Likewise.
2704         (emit_libcall_block_1): Take extra argument whether the
2705         instruction may trap.  Renamed from ...
2706         (emit_libcall_block): ... this.  New wrapper.
2707
2708 2012-03-05  Jakub Jelinek  <jakub@redhat.com>
2709
2710         PR tree-optimization/51721
2711         * tree-vrp.c (register_edge_assert_for_2): If comparing
2712         lhs of right shift by constant with an integer constant,
2713         add ASSERT_EXPRs for the rhs1 of the right shift.
2714
2715         * cfgrtl.c (cfg_layout_merge_blocks): Cleanup.
2716
2717 2012-03-05  Richard Guenther  <rguenther@suse.de>
2718
2719         * tree.c (integer_zerop): Handle VECTOR_CSTs.
2720         (integer_onep): Likewise.
2721         (integer_all_onesp): Likewise.
2722
2723 2012-03-05  Georg-Johann Lay  <avr@gjlay.de>
2724
2725         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
2726
2727 2012-03-04  H.J. Lu  <hongjiu.lu@intel.com>
2728
2729         * config/i386/i386.c (pro_epilogue_adjust_stack): Check Pmode
2730         instead of TARGET_64BIT.
2731
2732 2012-03-04  H.J. Lu  <hongjiu.lu@intel.com>
2733
2734         * config/i386/i386.c (ix86_expand_prologue): Check Pmode to set
2735         adjust_stack_insn.
2736
2737 2012-03-04  H.J. Lu  <hongjiu.lu@intel.com>
2738
2739         * config/i386/i386.c (ix86_print_operand_address): Only handle
2740         zero-extended DImode addresses.
2741
2742 2012-03-04  Uros Bizjak  <ubizjak@gmail.com>
2743
2744         * config/i386/i386.c (ix86_print_operand) <case '+'>: Declare
2745         taken and cputaken as bool.
2746
2747 2012-03-04  Uros Bizjak  <ubizjak@gmail.com>
2748
2749         * config/i386/constraints.md (Ya): New internal constraint.
2750         * config/i386/i386.md (zero_extendsidi2): Remove expansion.
2751         (*zero_extendsidi2_rex64): Add x,x alternative.
2752         (*zero_extendsidi2): Ditto.  Add o,0 alternative.
2753         Remove flags reg clobber.  Adjust corresponding splits.
2754         (zero_extend<mode>si2): Macroize expander from zero_extendhisi2 and
2755         zero_extendqisi2 expanders using SWI12 mode iterator.
2756         (zero_extend<mode>si2_and): Macroize insn from
2757         zero_extendhisi2_and and zero_extendqisi2_and.  Merge corresponding
2758         splitters.
2759         (*zero_extend<mode>si2):  Macroize insn from
2760         *zero_extendhisi2_movzbl and *zero_extendqisi2_movzbl.
2761         (*zero_extend*2_movzbl_and): Remove insn patterns.
2762         (zero_extendqihi2_and): Merge corresponding splitter.
2763         (*zero_extendqihi2): Rename from *zero_extendqihi2_movzbl.
2764         (*zero_extend*2_movzbl_and): Remove insn patterns.
2765         (*anddi_1): Split TYPE_IMOVX instructions.
2766         (*andsi_1): Use Ya for alternative 2.  Split TYPE_IMOVX instructions.
2767         (*andhi_1): Ditto.
2768         (and->zext splitter): Add splitter pattern.
2769         (zero extend with andsi3 splitter): Adjust zero_extend pattern.
2770
2771 2012-03-04  Sandra Loosemore  <sandra@codesourcery.com>
2772
2773         * doc/invoke.texi (C++ Dialect Options): Minor copy-edits to
2774         x86-specific text.
2775         (Debugging Options): Likewise.
2776         (Optimize Options): Likewise.
2777         (i386 and x86-64 Options): Discuss -march before -mtune, consistently
2778         with other architectures.  Use official processor names with correct
2779         spelling/capitalization.  Fix formatting and grammar issues.
2780         (i386 and x86-64 Windows Options): Similar cleanup here.
2781
2782 2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
2783
2784         * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
2785
2786 2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
2787
2788         * config/sh/sh.c (sh_dwarf_register_span): Don't apply
2789         DBX_REGISTER_NUMBER.
2790
2791 2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
2792
2793         * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
2794         operand is CONST_INT.  Take COSTS_N_INSNS into account.
2795         (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value
2796         of shiftcosts.
2797
2798 2012-03-02  Richard Henderson  <rth@redhat.com>
2799
2800         * optabs.c (expand_atomic_test_and_set): Honor
2801         atomic_test_and_set_trueval even when atomic_test_and_set
2802         optab is not in use.
2803
2804 2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
2805
2806         PR target/48596
2807         PR target/48806
2808         * config/sh/sh.c (sh_register_move_cost): Increase cost between
2809         GENERAL_REGS and FP_REGS for SImode.
2810
2811 2012-03-02  Oleg Endo  <olegendo@gcc.gnu.org>
2812
2813         PR target/49486
2814         * config/sh/sh.md (negdi2): Add TARGET_SH1 condition.
2815         (absdi2): New expander.
2816         (*absdi2, *negabsdi2, negdi_cond): New insns and splits.
2817
2818 2012-03-02  Oleg Endo  <olegendo@gcc.gnu.org>
2819
2820         * config/sh/sync.md (atomic_exchange<mode>): New expander.
2821         (atomic_exchange<mode>_soft): New insn.
2822
2823 2012-03-02  Oleg Endo  <olegendo@gcc.gnu.org>
2824
2825         * config/sh/sync.md: Update copyright notice dates.
2826         (atomic_compare_and_swap<mode>): Use SImode for return value instead
2827         of QImode.
2828         (atomic_compare_and_swap<mode>_soft): Likewise.
2829
2830 2012-03-02  Oleg Endo  <olegendo@gcc.gnu.org>
2831
2832         PR target/31640
2833         * config/sh/sh.h (LOOP_ALIGN): Move logic to sh_loop_align.
2834         * config/sh/sh.c: Update copyright notice dates.
2835         (sh_loop_align): Add logic from LOOP_ALIGN.  Don't disable loop
2836         alignment for TARGET_HARD_SH4.
2837         (sh_option_override): Reduce default function alignment.  Set
2838         loop alignment to 4 bytes when not optimizing for size.
2839
2840 2012-03-02  Maxim Kuvyrkov  <maxim@codesourcery.com>
2841
2842         PR middle-end/50335
2843         * doc/invoke.texi (floop-flatten): Remove.
2844         * toplev.c (process_options): Remove references to flag_loop_flatten.
2845         * tree-ssa-loop.c (gate_graphite_transform): Same.
2846         * common.opt (floop-flatten): Obsolete.
2847         * graphite-poly.c (apply_poly_transforms): Remove reference to
2848         flag_loop_flatten.
2849         * Makefile.in (graphite-flattening.o): Remove.
2850         * graphite-flattening.c: Remove.
2851
2852 2012-03-02  Uros Bizjak  <ubizjak@gmail.com>
2853
2854         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
2855         having mode compatible with the mode of previous compare.  Substitute
2856         compare mode of previous compare with the mode, compatible
2857         with eliminated and previous compare.
2858
2859 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
2860
2861         * config/rs6000/dfp.md (floatdidd2): New define_insn.
2862
2863 2012-03-02  Uros Bizjak  <ubizjak@gmail.com>
2864
2865         * config/i386/i386.c (ix86_cc_modes_compatible): Declare CCZmode
2866         compatible with CCGOCmode and CCGCmode.
2867
2868 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
2869
2870         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
2871
2872 2012-03-02  Ulrich Weigand  <ulrich.weigand@linaro.org>
2873
2874         * config/arm/arm.c (arm_sat_operator_match): New function.
2875         * config/arm/arm-protos.h (arm_sat_operator_match): Add prototype.
2876         * config/arm/arm.md ("insn" attribute): Add "sat" value.
2877         ("SAT", "SATrev"): New code iterators.
2878         ("SATlo", "SAThi"): New code iterator attributes.
2879         ("*satsi_<SAT:code>"): New pattern.
2880         ("*satsi_<SAT:code>_shift"): Likewise.
2881         * config/arm/arm-fixed.md ("arm_ssatsihi_shift"): Add "insn"
2882         and "shift" attributes.
2883         ("arm_usatsihi"): Add "insn" attribute.
2884         * config/arm/predicates.md (sat_shift_operator): Allow multiplication
2885         by powers of two.  Do not allow shift by 32.
2886
2887 2012-03-02  Uros Bizjak  <ubizjak@gmail.com>
2888
2889         PR target/46716
2890         * config/i386/i386.c (construct_container): Use gen_reg_or_parallel
2891         to pass the argument in the register of "natural" mode.
2892
2893 2012-03-02  Richard Guenther  <rguenther@suse.de>
2894
2895         PR tree-optimization/52406
2896         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
2897         (struct indices): Add unconstrained_base member.
2898         (struct dr_alias): Remove unused vops member.
2899         (DR_UNCONSTRAINED_BASE): New define.
2900         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
2901         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
2902         be an artificial access that covers the whole indexed object,
2903         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
2904         plain decl base-objects to their MEM_REF variant.
2905         (dr_may_alias_p): When the base-object of either data reference
2906         has unknown size use only points-to information.
2907         (compute_affine_dependence): Make dumps easier to read and
2908         more verbose.
2909         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
2910         DR_REF when looking for packed references.
2911         (vect_supportable_dr_alignment): Likewise.
2912
2913 2012-03-02  Greta Yorsh  <Greta.Yorsh@arm.com>
2914
2915         * config/arm/arm-ldmstm.ml (write_ldm_commutative_peephole):
2916         Improve conditions for peepholes of loads followed by commutative
2917         operators.
2918         * config/arm/ldmstm.md: Regenerated.
2919
2920 2012-03-02  Richard Guenther  <rguenther@suse.de>
2921
2922         * BASE-VER: Set to 4.8.0.
2923
2924 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
2925
2926         * config.gcc (obsolete): Add all ARM targets using the FPA.
2927         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
2928         * doc/install.texi: Avoid references to obsolete ARM ports.
2929
2930 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
2931
2932         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
2933
2934 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
2935             Joern Rennecke  <joern.rennecke@embecosm.com>
2936
2937         * doc/extend.texi: Expand and update information on interrupt
2938         attribute for Epiphany.
2939
2940 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
2941
2942         * config/sh/sh-protos.h: Update copyright notice dates.
2943         * config/sh/sh.h: Likewise.
2944         * config/sh/sh.md: Likewise.
2945         * config/sh/constraints.md: Likewise.
2946         * config/sh/predicates.md: Likewise.
2947
2948 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
2949
2950         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
2951         * config/sh/sh.c (tertiary_reload_operand): Likewise.
2952
2953 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
2954
2955         * config/sh/constraints.md: Fix comment typo.
2956
2957 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2958
2959         PR target/52408
2960         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
2961         unsigned HOST_WIDE_INT.
2962         (zvdep_imm64): Likewise.
2963         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
2964         (vdepi_and): Likewise.
2965         Likewise for unamed 64-bit patterns.
2966         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
2967
2968 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
2969
2970         PR debug/52001
2971         PR rtl-optimization/52417
2972         * cselib.c (cselib_any_perm_equivs): New variable.
2973         (cselib_reset_table): Check that it's not set when not
2974         preserving constants.
2975         (cselib_add_permanent_equiv): Set it.
2976         (cselib_have_permanent_equivalences): New.
2977         (cselib_init, cselib_finish): Reset it.
2978         * cselib.h (cselib_have_permanent_equivalences): Declare.
2979         * alias.c (get_addr): Restore earlier behavior when there
2980         aren't permanent equivalences.
2981
2982 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
2983
2984         * config/mn10300/mn10300-modes.def: Fix copyright notice.
2985         * config/v850/v850-modes.def: Fix copyright notice.
2986
2987 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
2988
2989         * doc/extend.texi (AVR Built-in Functions): Document
2990         __builtin_avr_flash_segment.
2991
2992         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
2993         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
2994         (*split.flash_segment): New insn-and-split.
2995         * config/avr/avr.c (avr_init_builtins): Add local variables:
2996         const_memx_void_node, const_memx_ptr_type_node,
2997         char_ftype_const_memx_ptr.
2998
2999 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
3000
3001         PR tree-optimization/52445
3002         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
3003         add ssa_name_ver, offset and size fields and change store field
3004         to bool.
3005         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
3006         (add_or_mark_expr): Likewise.  Only consider previous stores
3007         with the same size and offset.
3008         (nt_init_block): Only look at gimple_assign_single_p stmts,
3009         doesn't look at rhs2.
3010
3011 2012-03-01  Richard Guenther  <rguenther@suse.de>
3012
3013         PR middle-end/52443
3014         * tree-cfg.c (verify_gimple_assign_unary): Allow any
3015         conversions from integral types to pointer types.
3016
3017 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
3018
3019         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
3020         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
3021         unintentionally removed in r184616.
3022
3023 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
3024
3025         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
3026         3DNow from bdver1.
3027
3028 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
3029             Uros Bizjak  <ubizjak@gmail.com>
3030
3031         PR target/52437
3032         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
3033         alternatives, add "e" constraint to the new last alternative
3034         and ! to last 3 alternatives.
3035
3036 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
3037
3038         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
3039         DW_AT_artificial attributes at the end of the processing.
3040         (gen_array_type_die): Likewise.
3041         (gen_enumeration_type_die): Likewise.
3042         (gen_struct_or_union_type_die): Likewise.
3043         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
3044         the parent type.
3045
3046 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
3047
3048         PR middle-end/52419
3049         * expr.c (expand_assignment): If doing misaligned store that doesn't
3050         cover all mode bits, perform a RMW cycle.
3051
3052         PR tree-optimization/52429
3053         * tree-parloops.c (separate_decls_in_region_debug): Return early
3054         if var is LABEL_DECL.
3055
3056 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3057
3058         PR tree-optimization/52424
3059         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
3060         calling dom_thread_across_edge.
3061
3062 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
3063
3064         * config/avr/avr.c: Move definition of TARGET macros to end of file.
3065
3066 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
3067
3068         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
3069         * config/avr/avr.c (avr_output_bld): Remove unused function.
3070         (avr_out_sbxx_branch): Use "%T" to print bit position.
3071
3072 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
3073
3074         * config/avr/avr.md: Untabify.
3075
3076 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
3077
3078         * config/avr/avr.md (eqne): New code iterator.
3079         (*dec-and-branchsi): Use it in text peephole's condition.
3080         (*dec-and-branchhi): Ditto.
3081         (*dec-and-branchqi): Ditto.
3082
3083 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
3084
3085         PR target/49939
3086         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
3087         the device does not have the skip-bug.
3088
3089 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
3090
3091         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
3092         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
3093         -mpretend-cmove): New.
3094
3095 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
3096
3097         PR bootstrap/52397
3098         * df.h (struct df_d): Adjust comment that hard_regs_live_count
3099         doesn't count DEBUG_INSN refs.
3100         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
3101         for DEBUG_INSN refs.
3102
3103 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3104
3105         Partially revert:
3106
3107         2012-02-20  Richard Guenther  <rguenther@suse.de>
3108         PR tree-optimization/52298
3109         * tree-vect-stmts.c (vectorizable_load): Properly use
3110         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
3111         outer loops.
3112
3113 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
3114
3115         PR middle-end/51752
3116         * gimple.h (gimple_in_transaction): New.
3117         (gimple_set_in_transaction): New.
3118         (struct gimple_statement_base): Add in_transaction field.
3119         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
3120         transaction loads.
3121         (tree_ssa_lim_initialize): Compute transaction bits.
3122         * tree.h (compute_transaction_bits): Protoize.
3123         * trans-mem.c (tm_region_init): Use the heap to store BB
3124         auxilliary data.
3125         (compute_transaction_bits): New.
3126
3127 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3128
3129         * gcc.c (display_help): Document --help=common and sort entries
3130         alphabetically.
3131
3132 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3133
3134         * doc/install.texi: Document check-$LANG specific shortcuts
3135
3136 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3137
3138         PR target/51534
3139         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
3140         and vcgtu.
3141         * config/arm/arm_neon.h: Regenerate.
3142         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
3143         (neon_vcgeu): New insn.
3144         (neon_vcgtu): Likewise.
3145         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
3146         (ops): Unsigned comparison intrinsics call a different builtin.
3147
3148 2012-02-28  Richard Guenther  <rguenther@suse.de>
3149
3150         PR target/52407
3151         * config/i386/i386.c (ix86_expand_vector_set): Fix element
3152         ordering for the VEC_CONCAT for two element vectors for
3153         V2SFmode, V2SImode and V2DImode.
3154
3155 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
3156
3157         PR target/49448
3158         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
3159         detecting big-endian triplets.
3160
3161 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
3162
3163         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
3164         mode if there is no type information available.
3165
3166 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
3167
3168         PR tree-optimization/53207
3169         * doc/invoke.texi: Document as experimental and relying on graphite.
3170
3171 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
3172
3173         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
3174         of initializer to changes from r184614.
3175
3176 2012-02-28  Richard Guenther  <rguenther@suse.de>
3177
3178         PR tree-optimization/52395
3179         * tree-sra.c (build_ref_for_offset): Also look at the base
3180         TYPE_ALIGN when figuring out the alignment of the replacement.
3181
3182 2012-02-28  Richard Guenther  <rguenther@suse.de>
3183
3184         PR tree-optimization/52402
3185         * ipa-prop.c (ipa_modify_call_arguments): Properly use
3186         mis-aligned types when creating the accesses at the call site.
3187
3188 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
3189
3190         * config/avr/builtins.def: New file.
3191         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
3192         * config/avr/avr.c (enum avr_builtin_id): Use it.
3193         (avr_init_builtins): Use it. And use avr_bdesc.
3194         (bdesc_1arg): Remove.
3195         (bdesc_2arg): Remove.
3196         (bdesc_3arg): Remove.
3197         (struct avr_builtin_description): Add field n_args.
3198         (avr_bdesc): New static variable using builtins.def.
3199         (avr_expand_builtin): Use it.
3200         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
3201         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
3202         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
3203
3204 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
3205
3206         PR target/52148
3207         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
3208         match only one single hard register with respective hard reg rtx.
3209         (movmemx_<mode>): Ditto.
3210         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
3211         insn anatomy of movmem[x]_<mode>.
3212         (avr_out_movmem): Same for printing assembler and operand usage.
3213
3214 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
3215
3216         PR target/49868
3217         PR target/52261
3218         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
3219         address spaces located outside of device flash.
3220
3221         * config/avr/avr.h (base_arch_s): Remove field n_segments.
3222         (mcu_type_s): Add field n_flash.
3223         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
3224         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
3225         (AVR_MCU): Add N_FLASH argument.
3226         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
3227         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
3228         macro __FLASH<n> if that address space makes sense for the device.
3229         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
3230         outside of target flash.
3231         (avr_asm_named_section): Ditto.
3232         (avr_asm_select_section): Ditto.
3233         (avr_addr_space_convert): Ditto.
3234         (avr_emit_movmemhi): Ditto.
3235         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
3236         address space is outside of device flash.
3237         (avr_insert_attributes): Ditto.
3238         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
3239         avr_current_arch->n_segments.
3240
3241 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
3242
3243         PR target/52352
3244         * config/i386/i386.md (*movabs<mode>_1): Enable only for TARGET_LP64.
3245         (*movabs<mode>_2): Likewise.
3246
3247 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
3248
3249         PR target/52375
3250         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
3251         s_register_operand in the test instead of REG_P.  Don't call
3252         gen_reg_rtx if it won't be used.
3253
3254         PR tree-optimization/52376
3255         * ipa-split.c (split_function): Ignore CLOBBER stmts.
3256
3257 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
3258
3259         * ifcvt.c (noce_get_condition): Check condition variable is not
3260         small_register_classes_for_mode_p before accepting.
3261
3262 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
3263
3264         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
3265
3266 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3267
3268         Revert:
3269         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3270         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3271         tuning parameters.
3272         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3273
3274 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
3275
3276         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
3277
3278 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
3279
3280         * config/sh/predicates.md: Remove blank lines.
3281         * config/sh/sh.c: Fix typos in comments.
3282         * config/sh/constraints.md: Likewise.
3283         * config/sh/sh.md: Remove blank lines.
3284         Fix typos in comments.  Use ;; as comment characters.
3285
3286 2012-02-26  Walter Lee  <walt@tilera.com>
3287
3288         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
3289         (replace_mov_pcrel_step2): Ditto.
3290
3291 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
3292
3293         PR debug/52001
3294         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
3295         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
3296         and locs that reference values newer than the non-canonical value
3297         at hand.  Return the canonical value as a worst case.
3298         (memrefs_conflict_p): Walk canonical value's locs.
3299
3300         PR debug/52001
3301         * cselib.c (preserve_only_constants): Rename to...
3302         (preserve_constants_and_equivs): ... this.  Split out...
3303         (invariant_or_equiv_p): ... this.  Preserve plus expressions
3304         of other preserved expressions too.
3305         (cselib_reset_table): Adjust.
3306         * var-tracking.c (reverse_op): Use canonical value to build
3307         reverse operation.
3308
3309 2012-02-23  Kai Tietz  <ktietz@redhat.com>
3310
3311         * config/i386/i386.c (ix86_delegitimize_address): Handle
3312         UNSPEC_PCREL plus displacement.
3313
3314 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
3315
3316         PR target/52261
3317         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
3318         to test for unusedness in st X addressing.
3319
3320 2012-02-24  Richard Guenther  <rguenther@suse.de>
3321
3322         PR middle-end/52361
3323         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
3324         (is_gimple_reg_type): Move inline ...
3325         * gimple.h (is_gimple_reg_type): ... here.
3326
3327 2012-02-24  Richard Guenther  <rguenther@suse.de>
3328
3329         PR middle-end/52361
3330         * passes.c (execute_function_todo): When verifying SSA form
3331         verify gimple form first.
3332         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
3333
3334 2012-02-24  Richard Guenther  <rguenther@suse.de>
3335
3336         PR middle-end/52355
3337         * fold-const.c (fold_addr_of_array_ref_difference): New function.
3338         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
3339
3340 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3341
3342         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
3343
3344 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3345
3346         * tree-phinodes.c (make_phi_node): Mark static.
3347         * tree-flow.h (make_phi_node): Remove extern decl.
3348         * doc/gimple.texi (make_phi_node): Remove documentation.
3349
3350 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3351
3352         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
3353         * tree-ssa-sccvn.c (print_scc): Ditto.
3354
3355 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3356
3357         * doc/passes.texi (Full redundancy elimination): Fix typo.
3358
3359 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3360
3361         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
3362
3363 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
3364
3365         PR bootstrap/52287
3366         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
3367
3368 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
3369
3370         PR c/52290
3371         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
3372
3373 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
3374
3375         * config/avr/avr.md (code_stdname): Add ior, xor.
3376         (xior): New code iterator.
3377         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
3378         (*<code_stdname><mode>qi.byte1-3): Ditto.
3379
3380 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
3381
3382         PR tree-optimization/52019
3383         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
3384         CLOBBER stmts.
3385
3386 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3387
3388         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
3389         HAVE_INITFINI_ARRAY to work around namespace pollution in
3390         certain versions of newlib system headers.
3391         * config.in: Regenerate.
3392         * configure: Regenerate.
3393         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
3394         instead of HAVE_INITFINI_ARRAY.
3395
3396 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
3397
3398         PR target/52330
3399         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
3400         is not offsettable memory reference.
3401
3402 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
3403
3404         PR target/18145
3405         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
3406         setting avr_need_clear_bss_p for __gnu_lto* symbols.
3407
3408 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
3409
3410         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
3411         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
3412
3413 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3414
3415         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
3416         library on Solaris 8 even without TLS support.
3417         * configure: Regenerate.
3418
3419 2012-02-22  Richard Guenther  <rguenther@suse.de>
3420
3421         PR middle-end/52329
3422         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
3423         for GIMPLE_DEBUG stmts.
3424
3425 2012-02-22  Martin Jambor  <mjambor@suse.cz>
3426
3427         PR middle-end/51782
3428         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
3429         according to the base object.
3430
3431 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
3432
3433         PR rtl-optimization/50063
3434         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
3435         and 2 (8-bit SP) in operand 2.
3436         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
3437         setup to use movhi_sp_r instead of vanilla move to write SP.
3438         Adjust REG_CFA notes to superseed unspec.
3439         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
3440         of vanilla move.
3441         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
3442         known to be off) only with TARGET_NO_INTERRUPTS. Never use
3443         irq_state 1 (IRQ known to be on) here.
3444
3445 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
3446
3447         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
3448         WORDS_BIG_ENDIAN.
3449         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
3450         assign_hard_reg): Likewise.
3451
3452 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
3453
3454         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
3455
3456 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
3457
3458         * config/avr/avr.md
3459         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
3460         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
3461
3462 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
3463
3464         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
3465         prototype from here to...
3466         * config/avr/avr.h: ...here.
3467
3468 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
3469
3470         PR target/52294
3471         * thumb2.md (thumb2_shiftsi3_short): Split register and
3472         immediate shifts.  For register shifts tie operands 0 and 1.
3473         (peephole2 for above): Check that register-controlled shifts
3474         have suitably tied operands.
3475
3476 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
3477
3478         PR target/52137
3479         * config/i386/bdver1.md (bdver1_call, bdver1_push,
3480         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
3481         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
3482         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
3483         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
3484         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
3485         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
3486         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
3487         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
3488         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
3489         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
3490         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
3491         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
3492         bdver1_ssevector_avx256_unaligned_load,
3493         bdver1_ssevector_sse128_unaligned_load,
3494         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
3495         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
3496         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
3497         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
3498         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
3499         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
3500         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
3501         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
3502         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
3503         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
3504         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
3505         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
3506         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
3507         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
3508         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
3509         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
3510         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
3511         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
3512         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
3513         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
3514         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
3515         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
3516         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
3517         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
3518         bdver1_ssediv_double_load, bdver1_ssediv_double,
3519         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
3520         Add "bdver2" attribute.
3521
3522 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3523
3524         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
3525         default if possible and not specified otherwise.
3526
3527 2012-02-21  Richard Guenther  <rguenther@suse.de>
3528
3529         PR middle-end/52314
3530         * gimplify.c (create_tmp_from_val): Use the main variant type
3531         for the type of the temporary we create.
3532
3533 2012-02-21  Richard Guenther  <rguenther@suse.de>
3534
3535         PR tree-optimization/52324
3536         * gimplify.c (gimplify_expr): When re-gimplifying expressions
3537         do not gimplify a MEM_REF address operand if it is already
3538         in suitable form.
3539
3540 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3541
3542         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
3543         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
3544
3545 2012-02-21  Richard Guenther  <rguenther@suse.de>
3546
3547         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
3548         nested_in_vect_loop.
3549
3550 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
3551
3552         PR tree-optimization/52318
3553         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
3554         vdef also to non-pure/const call stmts in the sequence.
3555
3556 2012-02-21  Tristan Gingold  <gingold@adacore.com>
3557
3558         * config/vms/vms-ld.c (main): Fix IDENTIFICATION padding.
3559
3560 2012-02-20  David S. Miller  <davem@davemloft.net>
3561
3562         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
3563         don't use the "rd %pc" instruction on v9 for PIC register loads.
3564
3565 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
3566
3567         PR middle-end/52141
3568         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
3569         in a transaction safe function.
3570
3571 2012-02-20  Kai Tietz  <ktietz@redhat.com>
3572
3573         PR target/52238
3574         * stor-layout.c (place_field): Handle desired_align for
3575         ms-bitfields, too.
3576
3577 2012-02-20  Richard Guenther  <rguenther@suse.de>
3578
3579         PR tree-optimization/52298
3580         * tree-vect-stmts.c (vectorizable_store): Properly use
3581         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
3582         outer loops.
3583         (vectorizable_load): Likewise.
3584         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
3585         Access DR_STEP after ensuring it is not NULL.
3586
3587 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
3588
3589         PR tree-optimization/52286
3590         * fold-const.c (fold_binary_loc): For (X & C1) | C2
3591         optimization use double_int_to_tree instead of build_int_cst_wide,
3592         rewrite to use double_int vars.
3593
3594 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3595
3596         PR target/50166
3597         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
3598         Define _start.
3599         Remove -e 0 from $gcc_cv_ld invocation.
3600         Only use __GLIBC_PREREQ if defined.
3601         Enable on Solaris since Solaris 8 patch.
3602         (gcc_SUN_LD_VERSION): New macro.
3603         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
3604         gcc_SUN_LD_VERSION for version number format.
3605         * configure: Regenerate.
3606         * varasm.c (get_elf_initfini_array_priority_section): Set
3607         SECTION_NOTYPE for non-default priority.
3608         Use get_section instead of get_unnamed_section to emit
3609         .init_array/.fini_array with default priority.
3610
3611 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
3612
3613         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
3614         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
3615         (mips_start_unique_function, mips_output_mips16_rdhwr)
3616         (mips_code_end): New functions.
3617         (TARGET_ASM_CODE_END): Define.
3618
3619 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
3620
3621         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
3622         to stubs with non-sibling calls.
3623
3624 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
3625
3626         * doc/invoke.texi (-fira-* options): Copy-edit.
3627         (ira-* parameters): Copy-edit.
3628
3629 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
3630
3631         * doc/invoke.texi: Minor copy-edits to bring into conformance with
3632         GCC coding conventions.
3633
3634 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
3635
3636         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
3637         when used as adjectives.
3638
3639 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
3640
3641         * doc/invoke.texi: Clean up "that"/"which" confusion.
3642
3643 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
3644
3645         * system.h: Poison SMALL_REGISTER_CLASSES
3646         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
3647         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
3648
3649 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
3650
3651         PR tree-optimization/52285
3652         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
3653         when deciding if a call is a tail call or tail recursion.
3654
3655 2012-02-16  Kai Tietz  <ktietz@redhat.com>
3656
3657         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
3658         interger-constant displacement for UNSPEC_PCREL.
3659
3660 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
3661
3662         PR rtl-optimization/52208
3663         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
3664         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
3665
3666         PR tree-optimization/52255
3667         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
3668         loop->header has virtual PHI, but exit_e->dest doesn't, add
3669         virtual PHI to exit_e->dest and adjust all uses after the loop.
3670
3671         PR debug/52260
3672         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
3673         children with clone_tree_hash, not after it.
3674
3675 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
3676
3677         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
3678         extended identifiers.
3679
3680 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
3681
3682         PR middle-end/51929
3683         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
3684         a same_body_alias, also test whether e->callee isn't a former
3685         or current clone of the decl this is a same body alias of.
3686
3687         PR translation/52264
3688         * cgraphunit.c (verify_cgraph_node): Fix a typo.
3689
3690 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
3691
3692         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
3693
3694 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
3695
3696         PR target/52199
3697         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
3698         force_reg instead of copy_to_reg for better optimization.  Force
3699         non-register or memory operands into a register.
3700
3701 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
3702
3703         * extend.texi: Reserve upper bits of memory model for future use.
3704
3705 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
3706             Anatoly Sokolov <aesok@post.ru>
3707             Eric Weddington <eric.weddington@atmel.com>
3708
3709         PR target/52261
3710         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
3711         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
3712         Rewrite initializers for .macro.
3713         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
3714         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
3715         atxmega32d4, atxmega32x1.
3716         avrxmega4: atxmega64a3, atxmega64d3.
3717         avrxmega5: atxmega64a1, atxmega64a1u.
3718         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
3719         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
3720         avrxmega7: atxmega128a1, atxmega128a1u.
3721         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
3722         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
3723         (struct base_arch_s): Rename reserved to xmega_p.
3724         Rename reserved2 to have_rampd.
3725         (AVR_XMEGA): New define.
3726         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
3727         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
3728         * config/avr/predicates.md (io_address_operand): Take into
3729         account SFR offset.
3730         (low_io_address_operand): Ditto.
3731         (high_io_address_operand): Ditto.
3732         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
3733         (enabled, movhi_sp_r): Use them.
3734         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
3735         cpp_define_formatted to built-in define __AVR_ARCH__.
3736         (__AVR_XMEGA__): New built-in define.
3737         (__AVR_HAVE_RAMPD__): New built-in define.
3738         (__AVR_HAVE_RAMPX__): New built-in define.
3739         (__AVR_HAVE_RAMPY__): New built-in define.
3740         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
3741
3742         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
3743         (avr_option_override): Initialize them.
3744         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
3745         (avr_init_expanders): Initialize them. No more block several calls.
3746         (emit_push_sfr): New static function.
3747         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
3748         Handle AVR_XMEGA.
3749         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
3750         (avr_print_operand): Print addreeses as symbols for
3751         RAMPX, RAMPY, RAMPD, CCP.
3752         (output_movhi): Handle AVR_XMEGA when writing to SP.
3753         (avr_out_movhi_mr_r_xmega): New static function.
3754         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
3755         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
3756         __RAMPD__,  __CCP__ as needed.
3757
3758         * config/avr/multilib.h: Regenerate.
3759         * config/avr/t-multilib: Regenerate.
3760         * config/avr/avr-tables.opt: Regenerate.
3761
3762 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
3763
3764         PR tree-optimization/50561
3765         * graphite-flattening.c (lst_project_loop): Do not
3766         remove old scattering dimensions after flattening.
3767         (lst_do_flatten): Likewise.
3768
3769 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
3770
3771         * doc/extend.texi (AVR Built-in Functions): Remove doc for
3772         __builtin_avr_map8, __builtin_avr_map16.
3773         Document __builtin_avr_insert_bits.
3774
3775         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
3776         (insert_bits): New insn.
3777         (adjust_len.map_bits): Rename to insert_bits.
3778         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
3779         * avr-protos.h (avr_out_map_bits): Remove.
3780         (avr_out_insert_bits, avr_has_nibble_0xf): New.
3781         * config/avr/constraints.md (Cxf,C0f): New.
3782         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
3783         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
3784         New built-in define __BUILTIN_AVR_INSERT_BITS.
3785         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
3786         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
3787         (avr_move_bits): Rewrite.
3788         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
3789         functions.
3790         (avr_map_op_t): New typedef.
3791         (avr_map_op): New static variable.
3792         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
3793         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
3794         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
3795         (bdesc_3arg, avr_expand_triop_builtin): New.
3796         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
3797         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
3798         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
3799         (avr_map_equal_p, avr_map_sig_p): Remove.
3800         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
3801         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3802         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
3803         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3804         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
3805         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3806
3807 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
3808
3809         * config/c6x/c6x.md (reserve_cycles): New attribute.
3810         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
3811         don't reserve functional units after the branch occurs.
3812
3813 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
3814
3815         PR middle-end/52142
3816         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
3817         functions into non-tm_pure functions.
3818
3819 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
3820
3821         PR lto/52178
3822         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
3823         (iterative_hash_canonical_type): Likewise.
3824         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
3825         the dead edges.
3826
3827 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
3828
3829         * haifa-sched.c (prune_ready_list): Ensure that if there is a
3830         sched-group insn, it either remains alone or the entire list is pruned.
3831
3832 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
3833
3834         * doc/install.texi (Prerequisites): Fix grammar.
3835         (Configuration): Likewise.
3836
3837 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
3838
3839         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
3840         MPC as part of GCC before describing configuring with --with-gmp etc.
3841         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
3842         sources are present.
3843
3844 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
3845
3846         PR debug/51950
3847         * dwarf2out.c (clone_tree_hash): New function.
3848         (copy_decls_walk): Use it instead of clone_tree.
3849
3850 2012-02-14  Richard Guenther  <rguenther@suse.de>
3851
3852         PR tree-optimization/52244
3853         PR tree-optimization/51528
3854         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
3855         replacements for integral types.
3856
3857 2012-02-14  Walter Lee  <walt@tilera.com>
3858
3859         * config.gcc: Handle tilegx and tilepro.
3860         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
3861         tilegx and tilepro.
3862         Add HAVE_AS_TLS check for tilegx and tilepro.
3863         * configure: Regenerate.
3864         * doc/contrib.texi: Add Mat Hostetter and self.
3865         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
3866         Document instruction intrinsics and network accessing intrinsics.
3867         (TILEPro Built-in Functions): New node.  Document instruction
3868         intrinsics and network accessing intrinsics.
3869         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
3870         (Specific, tilepro-*-linux*): Likewise.
3871         * doc/invoke.texi (TILE-Gx Options): New section.
3872         (TILEPro Options): New section.
3873         * doc/md.texi (TILE-Gx): New section.
3874         (TILEPro): New section.
3875         * common/config/tilegx/tilegx-common.c: New file.
3876         * common/config/tilepro/tilepro-common.c: New file.
3877         * config/tilegx/constraints.md: New file.
3878         * config/tilegx/linux.h: New file.
3879         * config/tilegx/mul-tables.c: New file.
3880         * config/tilegx/predicates.md: New file.
3881         * config/tilegx/sync.md: New file.
3882         * config/tilegx/t-tilegx: New file.
3883         * config/tilegx/tilegx-builtins.h: New file.
3884         * config/tilegx/tilegx-c.c: New file.
3885         * config/tilegx/tilegx-generic.md: New file.
3886         * config/tilegx/tilegx-modes.def: New file.
3887         * config/tilegx/tilegx-multiply.h: New file.
3888         * config/tilegx/tilegx-protos.h: New file.
3889         * config/tilegx/tilegx.c: New file.
3890         * config/tilegx/tilegx.h: New file.
3891         * config/tilegx/tilegx.md: New file.
3892         * config/tilegx/tilegx.opt: New file.
3893         * config/tilepro/constraints.md: New file.
3894         * config/tilepro/gen-mul-tables.cc: New file.
3895         * config/tilepro/linux.h: New file.
3896         * config/tilepro/mul-tables.c: New file.
3897         * config/tilepro/predicates.md: New file.
3898         * config/tilepro/t-tilepro: New file.
3899         * config/tilepro/tilepro-builtins.h: New file.
3900         * config/tilepro/tilepro-c.c: New file.
3901         * config/tilepro/tilepro-generic.md: New file.
3902         * config/tilepro/tilepro-modes.def: New file.
3903         * config/tilepro/tilepro-multiply.h: New file.
3904         * config/tilepro/tilepro-protos.h: New file.
3905         * config/tilepro/tilepro.c: New file.
3906         * config/tilepro/tilepro.h: New file.
3907         * config/tilepro/tilepro.md: New file.
3908         * config/tilepro/tilepro.opt: New file.
3909
3910 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
3911
3912         PR tree-optimization/52210
3913         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
3914         vect_model_simple_cost with two entry vect_def_type array instead
3915         of an address of dt.
3916
3917 2012-02-14  Richard Guenther  <rguenther@suse.de>
3918
3919         PR lto/52178
3920         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
3921         Do not stream DECL_QUALIFIER.
3922         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
3923         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
3924         (find_decls_types_r): Do not walk DECL_QUALIFIER.
3925
3926 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
3927
3928         PR c/52181
3929         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
3930         newdecl.
3931
3932 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
3933
3934         PR bootstrap/52172
3935         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
3936         * cselib.c (cselib_subst_to_values_from_insn): New function.
3937         * sched-deps.c (add_insn_mem_dependence,
3938         sched_analyze_1, sched_analyze_2): Use it.
3939
3940 2012-02-13  Jan Hubicka  <jh@suse.cz>
3941
3942         PR middle-end/52214
3943         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
3944
3945 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
3946
3947         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
3948         (GTM_SELF_SPECS): Define if not already defined.
3949         (driver_self_specs): Add GTM_SELF_SPECS.
3950         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
3951         (GTM_SELF_SPECS): Define.
3952         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
3953         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
3954
3955 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
3956
3957         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
3958         away if seen.
3959
3960         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
3961
3962         PR middle-end/52230
3963         * omp-low.c (expand_omp_for): If a static schedule without chunk size
3964         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
3965
3966 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
3967
3968         PR c/52190
3969         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
3970
3971 2012-02-13  Richard Guenther  <rguenther@suse.de>
3972
3973         PR translation/52211
3974         * passes.c (enable_disable_pass): Fix typo.
3975
3976 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
3977
3978         PR middle-end/52209
3979         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
3980         XOR for reduce_bit_field if type is unsigned.
3981
3982 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
3983
3984         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
3985         disallow changes from SFmode to mode with different size in FP regs.
3986
3987 2012-02-12  Robert Millan  <rmh@gnu.org>
3988             Gerald Pfeifer <gerald@pfeifer.com>
3989
3990         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
3991         Tweak comment.
3992
3993 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
3994
3995         PR rtl-optimization/52175
3996         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
3997         to frame-related instructions.
3998
3999 2012-02-10  Jason Merrill  <jason@redhat.com>
4000
4001         PR c++/51910
4002         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
4003         (demangle_new_symbols): Fill it.
4004         (scan_linker_output): Walk it.
4005         (start_tweaking): Split out from scan_linker_output.
4006         (maybe_tweak): Update sym->chosen.
4007         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
4008
4009 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
4010
4011         PR debug/52132
4012         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
4013
4014 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
4015
4016         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
4017         having the same mode as previous compare.
4018
4019 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
4020
4021         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
4022         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
4023         (nonlocal_goto_internal): Likewise.
4024         (nonlocal_goto): Emit a use and an indirect jump directly.
4025
4026 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
4027
4028         PR c/52190
4029         * doc/extend.texi : Update comments for __atomic_compare_exchange and
4030         __atomic_{is,always}_lock_free.
4031
4032 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
4033
4034         PR target/52146
4035         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
4036         negative constant address for TARGET_X32.
4037
4038 2012-02-10  Richard Henderson  <rth@redhat.com>
4039
4040         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
4041         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
4042         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
4043
4044 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4045             Ira Rosen  <irar@il.ibm.com>
4046
4047         PR tree-optimization/50031
4048         * targhooks.c (default_builtin_vectorization_cost): Handle
4049         vec_promote_demote.
4050         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
4051         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
4052         all types of reduction and pattern statements.
4053         (vect_estimate_min_profitable_iters): Likewise.
4054         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
4055         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
4056         for explicit realigns.
4057         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
4058         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
4059         vec_promote_demote.
4060         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
4061         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
4062         vec_perm for VSX and handle vec_promote_demote.
4063
4064 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
4065
4066         PR middle-end/52177
4067         * builtins.c (fold_builtin_atomic_always_lock_free,
4068         expand_builtin_atomic_always_lock_free,
4069         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
4070         Return and/or test boolean_true_node/boolean_false_node instead of
4071         integer_one_node/integer_zero_node.
4072
4073 2012-02-10  Jan Hubicka  <jh@suse.cz>
4074
4075         PR middle-end/48600
4076         * predict.c (predict_paths_for_bb): Prevent looping.
4077         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
4078
4079 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
4080
4081         * config/arm/arm.c (output_move_double): In one case properly
4082         count number of instructions that will be emitted.
4083
4084 2012-02-10  Richard Guenther  <rguenther@suse.de>
4085
4086         PR translation/52193
4087         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
4088
4089 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
4090
4091         PR middle-end/52140
4092         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
4093
4094 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
4095
4096         PR debug/52165
4097         * var-tracking.c (emit_note_insn_var_location): If
4098         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
4099         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
4100         non-NOTE_DURING_CALL_P insn.
4101
4102 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
4103
4104         PR middle-end/51867
4105         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
4106
4107 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
4108
4109         PR driver/48524
4110         * gcc.c (switch_matches) Support switches with separated form,
4111         -D and -U.
4112
4113 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
4114
4115         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
4116         (SP_ADDR): Ditto.
4117         (RAMPZ_ADDR): Ditto.
4118         * config/avr/avr.c (avr_addr_t): New typedef.
4119         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
4120         (avr_init_expanders): Initialize it.
4121         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
4122         SREG_ADDR.
4123         (expand_epilogue): Ditto.
4124         (avr_print_operand): Ditto.
4125         (avr_file_start): Ditto.
4126         (avr_emit_movmemhi): Ditto.
4127
4128 2012-02-08  Richard Guenther  <rguenther@suse.de>
4129
4130         PR tree-optimization/46886
4131         * tree-flow.h (do_while_loop_p): Declare.
4132         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
4133         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
4134
4135 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
4136
4137         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
4138         always succeed for integers larger than a native word.
4139
4140 2012-02-08  Richard Guenther  <rguenther@suse.de>
4141
4142         PR rtl-optimization/52170
4143         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
4144         properly handle integer vector modes.
4145
4146 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
4147
4148         PR gcov-profile/52150
4149         * coverage.c: Include target.h.
4150         (build_var): Call targetm.strip_name_encoding on the assembler name.
4151         Change one _ into . or $ if the target allows it.
4152         * Makefile.in (coverage.o): Depend on $(TARGET_H).
4153
4154         PR rtl-optimization/52139
4155         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
4156         is a BARRIER after emit_insn_after_noloc, move BB_END
4157         to the last non-BARRIER insn before it.
4158
4159 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
4160
4161         PR middle-end/24306
4162         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
4163         (mips_gimplify_va_arg_expr): Call it instead of
4164         std_gimplify_va_arg_expr.
4165
4166 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
4167
4168         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
4169         message for -mno-pointers-to-nested-function.
4170
4171 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
4172
4173         PR middle-end/51994
4174         * expr.c (get_inner_reference): If there is an offset, add a negative
4175         bit position to it (if any).
4176
4177 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
4178
4179         PR rtl-optimization/52060
4180         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
4181         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
4182         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
4183         and/or i0src_copy2 when needed.
4184
4185 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
4186
4187         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
4188         or LTOPLUGINSONAME if have_c.
4189
4190         * config/freebsd-spec.h: Add comment about what macros can be defined
4191         in this header.
4192         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
4193         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
4194         here instead.
4195
4196 2012-02-07  Richard Guenther  <rguenther@suse.de>
4197
4198         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
4199         newline in -alias dumps.
4200
4201 2012-02-07  Kai Tietz  <ktietz@redhat.com>
4202             Dave Korn  <dave.korn.cygwin@gmail.com>
4203
4204         PR target/40068
4205         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
4206         Take care that typinfo gets dllexport-attribute.
4207
4208 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
4209
4210         PR middle-end/52074
4211         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
4212         if modifier < EXPAND_SUM call force_operand on the result.
4213
4214 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
4215
4216         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
4217         adding __forwarder_dst__ prefix if a forwarder_section attribute is
4218         present.
4219         (epiphany_function_type): Replace types for specific interrupts with
4220         EPIPHANY_FUNCTION_INTERRUPT.
4221         (EPIPHANY_INTERRUPT_P): Update.
4222         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
4223         New static function.
4224         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
4225         <disinterrupt>: Affects type identity.
4226         (epiphany_handle_interrupt_attribute): Handle variable number of
4227         arguments.
4228         (epiphany_compute_function_type): Update for new
4229         epiphany_function_type definition.
4230         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
4231         handlers with a longcall forwarder.
4232         (epiphany_start_function): Handle multiple interrupt arguments and/or
4233         forwarder_section attribute.
4234
4235         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
4236         libgloss.
4237
4238 2012-02-07  Alan Modra  <amodra@gmail.com>
4239
4240         PR target/52107
4241         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
4242         subregs of TFmode.
4243
4244 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4245
4246         PR tree-optimization/50969
4247         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
4248         use vec_perm rather than vector_stmt.
4249         (vect_model_load_cost): Likewise.
4250         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
4251         vec_perm to be the same as other vector statements.
4252         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
4253         cost of vec_perm for TARGET_VSX.
4254
4255 2012-02-06  Richard Guenther  <rguenther@suse.de>
4256
4257         PR tree-optimization/52115
4258         * tree-sra.c (access_has_replacements_p): New function.
4259         (sra_modify_assign): Use it to decide whether a use is uninitialized.
4260
4261 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
4262
4263         PR middle-end/52047
4264         * trans-mem.c (expand_call_tm): Add an assertion.
4265         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
4266         functions.
4267
4268 2012-02-06  Richard Guenther  <rguenther@suse.de>
4269
4270         PR tree-optimization/50955
4271         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
4272         raise cost of expressions that replace an address with an
4273         expression based on a different pointer.
4274
4275 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
4276
4277         PR target/52129
4278         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
4279         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
4280
4281 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
4282
4283         PR c++/48680
4284         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
4285         -Weffc++ and specify guidelines come from second edition.
4286
4287 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
4288
4289         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
4290         (sibcall_value_multiple_internal, call_split, call_internal_direct)
4291         (call_direct_split, call_value_split, call_value_internal_direct)
4292         (call_value_direct_split, call_value_multiple_split): Use jal and
4293         jal_macro attributes.
4294
4295 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
4296
4297         * reload1.c (reload_regs_reach_end_p): Replace with...
4298         (reload_reg_rtx_reaches_end_p): ...this function.
4299         (new_spill_reg_store): Update commentary.
4300         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
4301         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
4302         before setting new_spill_reg_store.
4303         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
4304         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
4305         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
4306         for non-spill reload registers.
4307
4308 2012-02-05  Ira Rosen  <irar@il.ibm.com>
4309
4310         PR tree-optimization/52091
4311         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
4312         (vect_is_simple_use_1): Likewise.
4313         * tree-vect-loop.c (vectorizable_reduction): Update calls
4314         to vect_is_simple_use_1 and vect_is_simple_use.
4315         (vectorizable_live_operation): Likewise.
4316         * tree-vect-patterns.c (widened_name_p,
4317         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
4318         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
4319         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
4320         vectorizable_shift,vectorizable_operation, vectorizable_store,
4321         vectorizable_load): Likewise.
4322         (vect_is_simple_cond): Add an argument, pass it to
4323         vect_is_simple_use_1.
4324         (vectorizable_condition): Update calls to vect_is_simple_cond,
4325         vect_is_simple_use.
4326         (vect_is_simple_use): Add an argument, the statement in which
4327         OPERAND is used.  Check that if OPERAND's def stmt is a double
4328         reduction phi node, the use is a phi node too.
4329         (vect_is_simple_use_1): Add an argument, pass it to
4330         vect_is_simple_use.
4331         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
4332         to vect_is_simple_use.
4333
4334 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
4335
4336         PR rtl-optimization/52095
4337         * modulo-sched.c (dump_insn_locator): New function.
4338         (loop_canon_p, sms_schedule): Use it.
4339
4340         PR rtl-optimization/52113
4341         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
4342         even for decomposable shift/zext insns.
4343
4344 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
4345             Zdenek Dvorak  <ook@ucw.cz>
4346
4347         PR rtl-optimization/52092
4348         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
4349         on get_iv_value result.
4350
4351 2012-02-02  Andrew Pinski  <apinski@cavium.com>
4352
4353         PR middle-end/47982
4354         PR middle-end/43967
4355         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
4356
4357 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
4358
4359         PR middle-end/48071
4360         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
4361
4362 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
4363
4364         PR rtl-optimization/49800
4365         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
4366         (sched_finish): Call regstat_free_n_sets_and_refs.
4367
4368 2012-02-02  Jia Liu  <proljc@gmail.com>
4369
4370         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
4371         than operand 2.
4372
4373 2012-02-02  Jan Hubicka  <jh@suse.cz>
4374             Tom de Vries  <tom@codesourcery.com>
4375
4376         PR middle-end/51998
4377         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
4378         * varpool.c (varpool_analyze_pending_decls): Likewise.
4379
4380 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
4381             Jayant R Sonar <jayant.sonar@kpitcummins.com>
4382
4383         * config.gcc: Add cr16-* support.
4384
4385         * doc/extend.texi: Document cr16 extensions.
4386         * doc/install.texi: Document cr16 install.
4387         * doc/invoke.texi: Document cr16 options.
4388         * doc/md.texi: Document cr16 constraints.
4389
4390         * common/config/cr16/cr16-common.c: New file.
4391         * config/cr16/cr16.c: New file.
4392         * config/cr16/cr16.h: New file.
4393         * config/cr16/cr16.md: New file.
4394         * config/cr16/cr16.opt: New file.
4395         * config/cr16/cr16-protos.h: New file.
4396         * config/cr16/predicates.md: New file.
4397         * config/cr16/constraints.md: New file.
4398         * config/cr16/t-cr16: New file.
4399
4400 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
4401
4402         PR target/52086
4403         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
4404         that operands[2] is either immediate, or q_regs_operand.
4405
4406         PR tree-optimization/52073
4407         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
4408         a pattern stmt for pattern uses, ignore uses outside of the loop.
4409
4410 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
4411
4412         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
4413         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
4414         (OUT_AS1, OUT_AS2): Remove.
4415
4416 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
4417
4418         PR rtl-optimization/51374
4419         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
4420         to cross other volatile_refs_p insns.
4421
4422 2012-02-01  Richard Guenther  <rguenther@suse.de>
4423
4424         * doc/invoke.texi (fno-inline): Clarify documentation.
4425         (finline-small-functions): Likewise.
4426         (finline-functions): Likewise.
4427         * common.opt (finline): Adjust comment and documentation.
4428         (finline-small-functions): Clarify documentation.
4429         (finline-functions): Likewise.
4430         (finline-functions-called-once): Likewise.
4431
4432 2012-02-01  Tristan Gingold  <gingold@adacore.com>
4433
4434         * c-typeck.c (composite_type): Keep mode for pointers.
4435
4436 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
4437
4438         * function.h (regno_reg_rtx): Adjust comment.
4439         * reginfo.c (init_reg_modes_target): Only use the previous mode
4440         if it fits within one register.  Remove MIPS comment.
4441
4442 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
4443
4444         PR bootstrap/52058
4445         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
4446
4447 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4448
4449         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
4450         to srak instruction.
4451
4452 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
4453
4454         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
4455
4456 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
4457
4458         PR bootstrap/52041
4459         PR bootstrap/52039
4460         PR target/51974
4461         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
4462
4463 2012-01-31  Richard Guenther  <rguenther@suse.de>
4464
4465         PR tree-optimization/51528
4466         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
4467         assigns.
4468
4469 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
4470
4471         PR bootstrap/52041
4472         PR bootstrap/52039
4473         PR target/51974
4474         * ree.c (add_removable_extension): Change def_map argument
4475         to unsigned *, store in def_map 1 + offset into *insn_list vector
4476         instead of pointers into the vector.
4477         (find_removable_extensions): Adjust caller.
4478
4479 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
4480
4481         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
4482         Transform all "* quoted-c-code" to { c-code }.
4483         Remove redundant test for "optimize" in combine patterns.
4484         Move (include "avr-dimode.md") to end of file.
4485
4486 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
4487
4488         PR target/51835
4489         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
4490         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
4491
4492 2012-01-30  Richard Guenther  <rguenther@suse.de>
4493
4494         PR tree-optimization/52028
4495         * tree-loop-distribution.c (ldist_gen): Properly update
4496         virtual SSA form.
4497
4498 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
4499
4500         PR debug/52027
4501         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
4502         set_cur_line_info_table if not emitting debug info.
4503
4504         PR tree-optimization/52046
4505         * tree-vect-patterns.c (check_bool_pattern): Give up if
4506         a comparison could throw.
4507
4508         PR debug/52048
4509         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
4510
4511 2012-01-30  Richard Guenther  <rguenther@suse.de>
4512
4513         PR tree-optimization/52045
4514         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
4515         SSA form if cfgcleanup did anything.
4516
4517 2012-01-30  Richard Guenther  <rguenther@suse.de>
4518
4519         PR tree-optimization/52045
4520         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
4521         before computing final todo.
4522
4523 2012-01-30  Richard Guenther  <rguenther@suse.de>
4524
4525         PR tree-optimization/51528
4526         * tree-sra.c (sra_modify_assign): Re-factor in preparation
4527         for PR51528 fix.
4528
4529 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
4530
4531         * df-problems.c (df_kill_notes): Check that the use refers
4532         to the note under examination.
4533
4534 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
4535
4536         PR target/51920
4537         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
4538         parameter and use short-lived pseudos.
4539         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
4540         (sparc_expand_vector_init): Const-ify local variables and adjust
4541         calls to above functions.
4542
4543 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
4544
4545         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
4546
4547 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
4548
4549         * doc/invoke.texi: Make usage of "compile time" and
4550         "run time"/"runtime" consistent throughout the file.
4551
4552 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
4553
4554         * config/alpha/alpha.c (alpha_option_override): Default to
4555         full IEEE compliance mode for Go language.
4556
4557 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
4558
4559         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
4560         (LINK_SSP_SPEC): Define.
4561
4562 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4563
4564         PR target/51871
4565         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
4566         stubs.
4567
4568 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
4569
4570         * doc/invoke.texi: Correct hyphenation of "floating point",
4571         "double precision", and related terminology throughout the file.
4572
4573 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
4574
4575         PR target/52006
4576         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
4577         arm_general_register_operand predicate for operand 2 instead of
4578         register_operand.
4579
4580 2012-01-27  Ian Lance Taylor  <iant@google.com>
4581
4582         PR go/47656
4583         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
4584         * builtins.c (expand_builtin_init_trampoline): Add onstack
4585         parameter.  Change caller.
4586         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
4587         * tree.c (build_common_builtin_nodes): Declare
4588         __builtin_init_heap_trampoline.
4589
4590 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
4591
4592         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
4593         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
4594         * config/avr/avr.c: Ditto.
4595         (avr_regnames): Remove because unused.
4596         * config/avr/avr.md (*cpse.ne): New peephole.
4597         (*cpse.eq): New peephole from former cpse peepholes.
4598
4599 2012-01-27  Michael Eager  <eager@eagercon.com>
4600
4601         * config/microblaze.c (microblaze_emit_compare): Correct
4602         test after pcmp instruction.
4603
4604 2012-01-27  Richard Guenther  <rguenther@suse.de>
4605
4606         PR tree-optimization/52020
4607         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
4608
4609 2012-01-27  Richard Guenther  <rguenther@suse.de>
4610
4611         * ipa-pure-const.c (check_stmt): Clobbers do not make a
4612         function non-const/pure.
4613
4614 2012-01-27  Richard Guenther  <rguenther@suse.de>
4615
4616         PR tree-optimization/50444
4617         * tree-sra.c (build_ref_for_offset): Properly adjust the
4618         MEM_REF type for unaligned accesses.
4619
4620 2012-01-27  Richard Guenther  <rguenther@suse.de>
4621
4622         PR tree-optimization/50444
4623         * expr.c (mem_ref_refers_to_non_mem_p): New function.
4624         (expand_assignment): Use it.  Properly handle misaligned
4625         bases when expanding stores to component references.
4626         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
4627         refactor that case.
4628
4629 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
4630
4631         PR middle-end/51389
4632         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
4633         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
4634         * tree-data-ref.c (find_data_references_in_loop): Make static.
4635         (compute_all_dependences): Change return type to bool.  Bail out
4636         for too many datarefs in a loop.  Move the hunk resetting the data
4637         dependences vector from ...
4638         (compute_data_dependences_for_loop): ... here.  Account for
4639         compute_all_dependences returning false.
4640         (compute_data_dependences_for_bb): Likewise.
4641         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
4642         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
4643
4644 2012-01-27  Richard Guenther  <rguenther@suse.de>
4645
4646         PR middle-end/51959
4647         * expr.c (store_field): Use the alias-set of the scratch memory
4648         for storing to it.
4649
4650 2012-01-27  Tom de Vries  <tom@codesourcery.com>
4651
4652         PR tree-optimization/51990
4653         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
4654         WITH_SIZE_EXPR.
4655         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
4656
4657 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
4658
4659         PR debug/52001
4660         * var-tracking.c (reverse_op): Don't add any reverse operation
4661         if V already has any constant locations.
4662
4663 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
4664
4665         * doc/invoke.texi: Correct usage of "command line" (noun)
4666         vs "command-line" (adjective) throughout.
4667
4668 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
4669
4670         * doc/invoke.texi (Language Independent Options): Move
4671         -Wcoverage-mismatch blurb from here....
4672         (Warning Options): ...to here.
4673
4674 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
4675
4676         * config/rs6000/rs6000.c (rs6000_option_override_internal):
4677         Set rs6000_always_hint to false for 476.
4678
4679 2012-01-27  Matthias Klose  <doko@ubuntu.com>
4680
4681         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
4682           system root.
4683         * incpath.c (add_standard_paths): Likewise.
4684
4685 2012-01-27  Richard Henderson  <rth@redhat.com>
4686
4687         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
4688         * config/m68k/sync.md (atomic_test_and_set): Rename from
4689         sync_test_and_setqi and adjust the operands.
4690         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
4691         and unconditionally enable.
4692
4693 2012-01-27  Richard Henderson  <rth@redhat.com>
4694
4695         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
4696         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
4697         (ldstub): Rename from ldstubqi.
4698         (ldstub<I24MODE>): Remove.
4699
4700 2012-01-27  Richard Henderson  <rth@redhat.com>
4701
4702         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
4703         * c-cppbuiltin.c (cpp_atomic_builtins): Define
4704         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
4705         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
4706         * doc/tm.texi: Rebuild.
4707
4708 2012-01-27  Richard Henderson  <rth@redhat.com>
4709
4710         * optabs.c (gen_atomic_test_and_set): Remove default.
4711         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
4712
4713 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
4714
4715         PR rtl-optimization/51978
4716         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
4717         (combine_reaching_defs): Likewise.
4718         (struct re_info): Remove.
4719         (add_removable_extension): Remove x and data arguments,
4720         add insn, insn_list and def_map.  Use the arguments directly
4721         instead of using struct re_info.
4722         (find_removable_extensions): Don't call add_removable_extension
4723         through note_stores, instead just call it with single_set
4724         result if non-NULL.
4725         (find_and_remove_re): Pass curr_cand->expr instead of
4726         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
4727
4728 2012-01-26  Michael Matz  <matz@suse.de>
4729
4730         PR tree-optimization/46590
4731         * cfgexpand.c: Revert last change (r183305).
4732         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
4733         regs.
4734         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
4735         checking for emptiness.
4736
4737 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
4738
4739         PR middle-end/51895
4740         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
4741         non-addressable non-BLKmode base correctly.
4742
4743 2012-01-26  Michael Matz  <matz@suse.de>
4744
4745         PR tree-optimization/48794
4746         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
4747         regions referenced from RESX/EH_DISPATCH.
4748
4749 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4750
4751         * config/s390/s390.h: Make BRANCH_COST an option.
4752         * config/s390/s390.opt: New option -mbranch-cost.
4753
4754 2012-01-26  Richard Henderson  <rth@redhat.com>
4755
4756         Revert 2012-01-24 change:
4757         * trans-mem.c (requires_barrier): Do not instrument thread local
4758         variables and emit save/restore for them.
4759
4760 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
4761
4762         PR middle-end/51986
4763         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
4764         for pat == 0.
4765
4766 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
4767
4768         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
4769         ASM_OPERANDS.
4770
4771 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
4772
4773         PR target/49868
4774         Rename __pgm to __flash.
4775         Rename __pgm1 to __flash1.
4776         Rename __pgm2 to __flash2.
4777         Rename __pgm3 to __flash3.
4778         Rename __pgm4 to __flash4.
4779         Rename __pgm5 to __flash5.
4780         Rename __pgmx to __memx.
4781         * doc/extend.texi (AVR Named Address Spaces)
4782         Rename address space names as indicated above.
4783         * config/avr/avr.c (avr_addrspace): Ditto.
4784
4785         * config/avr/avr-protos.h
4786         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
4787         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
4788         * config/avr/predicates.md: Ditto.
4789         * config/avr/avr.c Ditto, and
4790         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
4791         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
4792
4793         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
4794         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
4795         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
4796         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
4797         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
4798         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
4799         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
4800         * config/avr/avr.c: Ditto.
4801         * config/avr/avr.md: Ditto.
4802
4803 2012-01-25  Jason Merrill  <jason@redhat.com>
4804
4805         PR c++/51992
4806         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
4807
4808 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
4809
4810         PR tree-optimization/51987
4811         * tree-data-ref.c (get_references_in_stmt): Handle references in
4812         non-volatile GIMPLE_ASM.
4813
4814 2012-01-25  Richard Guenther  <rguenther@suse.de>
4815
4816         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
4817         bases are dereferenced.
4818
4819 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
4820
4821         PR rtl-optimization/48374
4822         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
4823
4824 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
4825
4826         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
4827         compute_data_dependences_for_loop returns false.
4828         * tree-parloops.c (loop_parallel_p): Likewise.
4829
4830 2012-01-25  Richard Guenther  <rguenther@suse.de>
4831
4832         * tree.h (get_pointer_alignment_1): Declare.
4833         * builtins.c (get_pointer_alignment_1): New function.
4834         (get_pointer_alignment): Use it.
4835
4836 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
4837
4838         PR rtl-optimization/48308
4839         * combine.c (enum undo_kind): Add UNDO_LINKS.
4840         (struct undo): Add member l to other_contents and where.
4841         (do_SUBST_LINK): New.
4842         (SUBST_LINK): New.
4843         (try_combine): Handle LOG_LINKS for the dummy i1 case.
4844         (undo_all): Handle UNDO_LINKS.
4845
4846 2012-01-25  Richard Henderson  <rth@redhat.com>
4847
4848         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
4849         mem inputs.
4850
4851 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
4852
4853         * optabs.c (gen_atomic_test_and_set): Use each argument.
4854
4855 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
4856
4857         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
4858         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
4859         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
4860         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
4861         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
4862         TARGET_PAIRED_SINGLE_FLOAT.
4863
4864 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
4865
4866         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
4867         (in_struct, return_val): Remove MEM documentation.
4868         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
4869         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
4870         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
4871         and MEM_SCALAR.
4872         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4873         * cfgexpand.c (add_alias_set_conflicts): Likewise.
4874         * expr.c (store_field): Likewise.
4875         * function.c (assign_stack_temp_for_type): Likewise.
4876         * ifcvt.c (noce_try_cmove_arith): Likewise.
4877         * reload1.c (reload): Likewise.
4878         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
4879         (alpha_set_memflags): Likewise.
4880         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
4881
4882 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
4883
4884         * rtl.h (true_dependence, canon_true_dependence): Remove varies
4885         parameter.
4886         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
4887         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
4888         (true_dependence_1, true_dependence, canon_true_dependence): Remove
4889         varies parameter.
4890         * cselib.c (cselib_rtx_varies_p): Delete.
4891         (cselib_invalidate_mem): Update call to canon_true_dependence.
4892         * dse.c (record_store, check_mem_read_rtx): Likewise.
4893         (scan_reads_nospill): Likewise.
4894         * cse.c (check_dependence): Likewise.
4895         (cse_rtx_varies_p): Delete.
4896         * expr.c (safe_from_p): Update call to true_dependence.
4897         * ira.c (validate_equiv_mem_from_store): Likewise.
4898         (memref_referenced_p): Likewise.
4899         * postreload-gcse.c (find_mem_conflicts): Likewise.
4900         * sched-deps.c (sched_analyze_2): Likewise.
4901         * store-motion.c (load_kills_store): Likewise.
4902         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
4903         * gcse.c (mems_conflict_for_gcse_p): Likewise.
4904         (compute_transp): Update call to canon_true_dependence.
4905
4906 2012-01-25  Richard Henderson  <rth@redhat.com>
4907
4908         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
4909         (maybe_emit_atomic_test_and_set): New.
4910         (expand_sync_lock_test_and_set): Use it.
4911         (expand_atomic_test_and_set): Likewise.
4912         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
4913         the implementation; clarify implementation defined details.
4914         * doc/md.texi (atomic_test_and_set): Document.
4915
4916 2012-01-25  Richard Henderson  <rth@redhat.com>
4917
4918         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
4919
4920 2012-01-25  Richard Henderson  <rth@redhat.com>
4921
4922         PR target/51968
4923         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
4924         to effect no-op split.
4925
4926 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
4927
4928         PR lto/51698
4929         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
4930         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
4931         (BT_FN_VOID_PTR_INT_SIZE): New.
4932         (BT_FN_UINT_UINT_VAR): Remove.
4933         (BT_FN_UINT32_UINT32_VAR): New.
4934         (BT_FN_DOUBLE_VPTR): Remove.
4935         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
4936
4937         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
4938         (_ITM_changeTransactionMode): Same.
4939         (_ITM_memmoveRtWt): Change return type to void.
4940         (_ITM_memcpyRtWt): Same.
4941         (_ITM_memsetW): Same.
4942         (_ITM_RaRD): Change types to double.
4943         (_ITM_RD): Same.
4944         (_ITM_RaWD): Same.
4945         (_ITM_RfWD): Same.
4946
4947         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
4948
4949 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
4950             Patrick Marlier  <patrick.marlier@gmail.com>
4951
4952         * trans-mem.c (requires_barrier): Do not instrument thread local
4953         variables and emit save/restore for them.
4954
4955 2012-01-24  Jason Merrill  <jason@redhat.com>
4956
4957         PR c++/51812
4958         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
4959         output static aliases.
4960
4961 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
4962
4963         PR driver/47249
4964         * common.opt (-pie, -shared, pie, shared): Change from Common to
4965         Driver.
4966         * gcc.c (display_help): Display help for -pie and -shared.
4967
4968 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
4969
4970         PR target/49868
4971         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
4972         Remove note on size/offset limitation.
4973         (AVR Variable Attributes): Add example how to read data located
4974         with progmem.  Refer to named address spaces.
4975         * doc/invoke.texi (AVR Options): Fix typo.
4976
4977 2012-01-24  Richard Guenther  <rguenther@suse.de>
4978
4979         Forward-port to trunk
4980         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
4981
4982         PR middle-end/45678
4983         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
4984         op0 isn't sufficiently aligned and there is movmisalignM
4985         insn for mode, use it to load op0 into a temporary register.
4986
4987 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
4988
4989         PR target/51957
4990         * target.def (const_not_ok_for_debug_p): New hook.
4991         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
4992         documentation.
4993         * doc/tm.texi: Regenerated.
4994         * dwarf2out.c (const_ok_for_output_1): If
4995         targetm.const_not_ok_for_debug_p returns true, fail.
4996         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
4997         function.
4998         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
4999
5000 2012-01-23  Kai Tietz  <ktietz@redhat.com>
5001
5002         PR target/51900
5003         * config/i386/predicates.md (symbolic_operand): Allow
5004         UNSPEC_PCREL as PIC expression for lea.
5005         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
5006         * config/i386/i386.c (ix86_delegitimize_address): Handle
5007         UNSPEC_PCREL for none-MEM, too.
5008
5009 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
5010
5011         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
5012         (ipa_tm_create_version_alias): Same.
5013
5014 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
5015
5016         PR libitm/51830
5017         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
5018         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
5019
5020 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
5021             Patrick Marlier  <patrick.marlier@gmail.com>
5022             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
5023
5024         PR lto/51916
5025         * lto-wrapper.c (run_gcc): Pass the LTO section name to
5026         simple_object_start_read.
5027
5028 2012-01-23  Richard Guenther  <rguenther@suse.de>
5029
5030
5031         PR tree-optimization/51895
5032         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
5033         parameter decomposition into BLKmode components.
5034
5035 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
5036
5037         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
5038         fake variables for restrict-qualified pointers whose pointed-to type
5039         contains a placeholder.
5040
5041 2012-01-23  Richard Guenther  <rguenther@suse.de>
5042
5043         PR tree-optimization/51949
5044         * ipa-split.c (execute_split_functions): Do not split malloc functions.
5045
5046 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
5047
5048         PR rtl-optimization/51933
5049         * ree.c (transform_ifelse): Return true right away if dstreg is
5050         already wider or equal to cand->mode.
5051         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
5052         (make_defs_and_copies_lists): Remove defs_list and copies_list
5053         arguments, add state argument, just truncate state->work_list
5054         instead of always allocating and freeing the vector.  Assert that
5055         get_defs succeeds instead of returning 2.  Changed return type to bool.
5056         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
5057         have ext_src_mode, see if it has been modified already with the
5058         right kind of extension and has been extended before from the
5059         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
5060         just return true.  Remember the original mode in state->modified array.
5061         (combine_reaching_defs): Add state argument.  Don't allocate and
5062         free here def_list, copied_list and vec vectors, instead just
5063         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
5064         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
5065         Add state variable, clear vectors in it, initialize state.modified
5066         if needed.  Free all the vectors at the end and state.modified too.
5067         Don't skip a candidate if the extension expression has been modified.
5068
5069 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
5070
5071         PR target/47096
5072         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
5073          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
5074         (extra_options) interix.opt -> i386/interix.opt"
5075         (extra_objs):Add winnt-stubs.o
5076         * configure.ac: Add interix to target_os .comm on PE check.
5077         * configure: Regenerate.
5078         * config/interix3.h: Delete and move bits to..
5079         * config/interix.h: Delete and move bits to..
5080         * config/i386/i386-interix3.h: Delete and move bits to..
5081         * config/i386/i386-interix.h: ..here.
5082         (TARGET_CPU_DEFAULT): Remove redefinition.
5083         (TARGET_ASM_CONSTRUCTOR): Undefine.
5084         (SUBTARGET_SWITCHES): Define for ms-bitfields.
5085         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
5086         (PTRDIFF_TYPE): Define.
5087         (LONG_DOUBLE_TYPE_SIZE): Define.
5088         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
5089         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
5090         (TARGET_SECTION_TYPE_FLAGS): Define.
5091         (ASM_DECLARE_FUNCTION_NAME): Define.
5092         (ASM_OUTPUT_EXTERNAL): Define.
5093         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
5094         (ASM_OUTPUT_ALIGNED_BSS): Define.
5095         (PCC_BITFIELD_TYPE_MATTERS): Define.
5096         (USE_CONST_SECTION): Define.
5097         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
5098         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
5099         (SUPPORTS_ONE_ONLY): Remove.
5100         (I386_PE_STRIP_ENCODING): Define.
5101         * config/interix.opt: Delete and move bits to..
5102         * config/i386/interix.opt: ..here. New.
5103         (mpe-aligned-commons): Add.
5104         * config/i386/t-interix: Add copyright header.
5105         (winnt-stubs.o): Add rule.
5106
5107 2012-01-22  Jason Merrill  <jason@redhat.com>
5108
5109         PR c++/51832
5110         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
5111         for extra name aliases.
5112
5113 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
5114
5115         PR rtl-optimization/51924
5116         * ree.c (combine_set_extension): Improve debugging message.
5117         (combine_reaching_defs): Likewise.
5118         (get_defs): Rename confusingly named variable.
5119         (find_and_remove_re): Skip a candidate if the extension expression has
5120         been modified.
5121
5122 2012-01-21  Robert Millan  <rmh@gnu.org>
5123             Gerald Pfeifer  <gerald@pfeifer.com>
5124
5125         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
5126         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
5127
5128 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
5129
5130         PR tree-optimization/51914
5131         * tree-vect-stmts.c (vectorizable_conversion): For
5132         cvt_type && modifier == WIDEN, put temporary with cvt_type
5133         at the beginning of vec_dsts and set vec_dest to temporary
5134         with vectype_out.
5135
5136 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
5137
5138         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
5139
5140 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
5141
5142         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
5143         * config/rs6000/rs6000.c: Likewise.
5144
5145 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
5146
5147         PR target/51915
5148         * config/arm/arm.c (arm_count_output_move_double_insns): Call
5149         output_move_double on a copy of operands array.
5150
5151 2012-01-20  Cary Coutant  <ccoutant@google.com>
5152             Dodji Seketeli  <dodji@redhat.com>
5153
5154         PR debug/45682
5155         * dwarf2out.c (copy_declaration_context): Return ref to parent
5156         of declaration DIE, if necessary.
5157         (remove_child_or_replace_with_skeleton): Add new parameter; update
5158         caller.  Place skeleton DIE under parent DIE of original declaration.
5159         Move call to copy_declaration_context to here ...
5160         (break_out_comdat_types): ... from here.
5161
5162 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5163
5164         PR rtl-optimization/51856
5165         * reload.c (find_reloads_subreg_address): Set the address_reloaded
5166         flag to reloaded.
5167
5168 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
5169
5170         PR target/51819
5171         * config/arm/arm.c (arm_print_operand): Correct output of alignment
5172         hints for neon loads and stores.
5173
5174 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
5175
5176         PR target/49868
5177         PR target/50887
5178         * doc/extend.texi (Named Address Spaces): Split into subsections.
5179         (AVR Named Address Spaces): New subsection.
5180         (M32C Named Address Spaces): New subsection.
5181         (RL78 Named Address Spaces): New subsection.
5182         (SPU Named Address Spaces): New subsection.
5183         (Variable Attributes): New anchor "AVR Variable Attributes".
5184         (AVR Variable Attributes): Rewrite and avoid wording
5185         "address space" in this context.
5186         * doc/invoke.texi (AVR Options): Rewrite and add documentation
5187         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
5188         (AVR Built-in Macros): New subsubsection therein.
5189         * doc/md.texi (AVR constraints): Remove "C04", "R".
5190
5191 2012-01-20  Richard Guenther  <rguenther@suse.de>
5192
5193         PR tree-optimization/51903
5194         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
5195         when removing stmts.
5196
5197 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
5198
5199         PR target/50313
5200         * config/arm/arm.c (arm_load_pic_register): Use
5201         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
5202         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
5203         (arm_pic_static_addr): Likewise.
5204         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
5205         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
5206         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
5207         (pic_load_addr_unified): New.
5208
5209 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
5210
5211         PR target/51106
5212         * function.c (instantiate_virtual_regs_in_insn): Use
5213         delete_insn_and_edges when removing a wrong asm insn.
5214
5215 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
5216
5217         PR rtl-optimization/40761
5218         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
5219         Add new member loop_num.
5220         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
5221         (ira_build): Remove the parameter.
5222
5223         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
5224         (ira.c): Do not build CFG loops for one region allocation.  Remove
5225         argument from ira_build call.
5226
5227         * ira-build.c (init_loop_tree_node): New function.
5228         (create_loop_tree_nodes): Use it.  Separate the case when CFG
5229         loops are not built.
5230         (more_one_region_p): Check current_loops.
5231         (finish_loop_tree_nodes): Separate the case when CFG loops are not
5232         built.
5233         (add_loop_to_tree): Process loop equal to NULL too.
5234         (form_loop_tree): Separate the case when CFG loops are not built.
5235         Use explicitly number for the root.
5236         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
5237         an assertion.
5238         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
5239         instead of loop->num.
5240         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
5241         (mark_all_loops_for_removal): Ditto.
5242         (remove_unnecessary_regions): Separate the case when CFG loops
5243         are not built.
5244         (ira_build): Remove the parameter.  Use explicit number of regions
5245         when CFG loops are not built.
5246
5247         * ira-color.c (print_loop_title): Separate the case for the root node.
5248         Use loop_num instead of loop->num.
5249         (move_spill_restore): Use loop_num instead of loop->num.
5250
5251         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
5252         (change_loop): Ditto.
5253         (change_loop): Use loop_num instead of loop->num.
5254
5255         * ira-lives.c (process_bb_node_lives): Ditto.
5256
5257         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
5258
5259         * ira-conflicts.c (print_allocno_conflicts): Ditto.
5260
5261 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
5262
5263         PR libmudflap/40778
5264         * tree-mudflap.c (mf_artificial): New function.
5265         (execute_mudflap_function_ops, execute_mudflap_function_decls,
5266         mx_register_decls, mudflap_enqueue_decl): Use it.
5267
5268         PR target/51876
5269         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
5270         numbers in the insn pattern.
5271
5272 2012-01-19  Michael Matz  <matz@suse.de>
5273
5274         PR tree-optimization/46590
5275         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
5276         use it in remembering which conflicts we already created.
5277         (add_scope_conflicts): Adjust call to above, (de)allocate helper
5278         bitmap.
5279
5280 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
5281
5282         PR lto/51280
5283         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
5284         (merge_and_complain): Same.
5285
5286 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
5287
5288         PR bootstrap/50237
5289         * config/initfini-array.h: Guard content of the header
5290         with #ifdef HAVE_INITFINI_ARRAY.
5291         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
5292         Add initfini-array.h to tm_file here.
5293         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
5294         * config.gcc: Don't add initfini-array.h to tm_file here.
5295         * configure: Regenerated.
5296
5297 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
5298
5299         PR rtl-optimization/51505
5300         * df-problems.c (df_kill_notes): New parameter live. Update comment.
5301         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
5302         (df_note_bb_compute): Update the call to df_kill_notes.
5303
5304 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
5305
5306         * trans-mem.c (requires_barrier): Remove call to is_global_var.
5307
5308 2012-01-18  Richard Guenther  <rguenther@suse.de>
5309
5310         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
5311         of conversions to void *.
5312
5313 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5314             Richard Sandiford  <rdsandiford@googlemail.com>
5315
5316         PR middle-end/50325
5317         PR middle-end/51192
5318         * optabs.h (simplify_expand_binop): Declare.
5319         * optabs.c (simplify_expand_binop): Make global.
5320         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
5321         endian targets if the source cannot be exactly covered by word
5322         mode chunks.
5323
5324 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
5325
5326         PR bootstrap/51872
5327         * hard-reg-set.h (struct hard_reg_set_container): New type.
5328         * target.h (struct hard_reg_set_container): Forward declare.
5329         * target.def (set_up_by_prologue): New target hook.
5330         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
5331         * doc/tm.texi: Regenerated.
5332         * function.c (thread_prologue_and_epilogue_insns): Change
5333         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
5334         Call targetm.set_up_by_prologue on it.
5335         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
5336         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
5337
5338 2012-01-17  Nick Clifton  <nickc@redhat.com>
5339
5340         * config/rx/rx.c (rx_can_use_simple_return): New function.
5341         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
5342         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
5343
5344 2012-01-17  Richard Guenther  <rguenther@suse.de>
5345
5346         PR middle-end/51782
5347         * expr.c (expand_assignment): Take address-space information
5348         from the address operand of MEM_REF and TARGET_MEM_REF.
5349         (expand_expr_real_1): Likewise.
5350
5351 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5352
5353         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
5354         reload dump is requested.
5355
5356 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
5357
5358         PR other/51165
5359         * trans-mem.c (requires_barrier): Call may_be_aliased.
5360
5361 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
5362
5363         PR tree-optimization/51877
5364         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
5365         call arguments and fndecls compare equal, instead return false if they
5366         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
5367         both SSA_NAMEs that are valueized the same, or they satisfy
5368         operand_equal_p.
5369
5370 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5371
5372         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
5373         Solaris 11+.
5374         * configure: Regenerate.
5375
5376 2012-01-16  Jan Hubicka  <jh@suse.cz>
5377
5378         PR c/12245
5379         PR c++/14179
5380         * convert.c (convert_to_integer): Use fold_convert for
5381         converting an INTEGER_CST to integer type.
5382
5383 2012-01-16  Jason Merrill  <jason@redhat.com>
5384
5385         PR c++/14179
5386         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
5387
5388 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
5389
5390         PR bootstrap/51860
5391         * config/s390/s390.c (s390_chunkify_start): Don't skip
5392         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
5393         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
5394         If insn is followed by NOTE_INSN_VAR_LOCATION or
5395         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
5396         Don't use location of note insns.
5397
5398         PR tree-optimization/51865
5399         * tree-inline.c (tree_function_versioning): Call remap_decl
5400         on DECL_RESULT whenever it has VOID_TYPE_P type.
5401
5402 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
5403
5404         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
5405         for calls to locally-binding MIPS16 functions if only the return
5406         type uses float regs.
5407
5408 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
5409             Richard Sandiford  <rdsandiford@googlemail.com>
5410
5411         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
5412         (SYMBOL_32_HIGH): Likewise.
5413         (mips_output_tls_reloc_directive): Declare.
5414         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
5415         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
5416         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
5417         (mips_lo_relocs, mips_hi_relocs): Make extern.
5418         (mips16_stub_function): Move up file.
5419         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
5420         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
5421         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
5422         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
5423         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
5424         (mips_get_tp): Add MIPS16 support.
5425         (mips_legitimize_tls_address): Remove MIPS16 sorry().
5426         Generalize DTPREL and TPREL handling.
5427         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
5428         Add MIPS16 TLS support.
5429         (mips_output_tls_reloc_directive): New function.
5430         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
5431         * config/mips/predicates.md (symbolic_operand_with_high)
5432         (tls_reloc_operand): New predicates.
5433         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
5434         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
5435         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
5436         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
5437         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
5438         (*tls_get_tp_mips16_call_<mode>): Likewise.
5439
5440 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
5441
5442         PR rtl-optimization/51821
5443         * recog.c (peep2_find_free_register): Determine clobbered registers
5444         from insn pattern.
5445
5446 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
5447
5448         PR target/50925
5449         * config/avr/avr-protos.h: Revert change of 2012-01-09.
5450         * config/avr/avr.c: Likewise.
5451         * config/avr/avr.h: Likewise.
5452
5453 2012-01-13  Ian Lance Taylor  <iant@google.com>
5454
5455         PR c++/50012
5456         * tree.h (TYPE_QUALS): Add cast to int.
5457         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
5458
5459 2012-01-13  Ian Lance Taylor  <iant@google.com>
5460
5461         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
5462         comparing param_index to VEC_length result.
5463
5464 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
5465
5466         * c-decl.c: Do not include tree-mudflap.h
5467         * tree-optimize.c: Likewise.
5468         * Makefile.in: Update dependencies.
5469
5470 2012-01-13  Richard Guenther  <rguenther@suse.de>
5471
5472         PR middle-end/8081
5473         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
5474         variable-sized result always use RSO.
5475
5476 2012-01-12  DJ Delorie  <dj@redhat.com>
5477
5478         * cfgexpand.c (convert_debug_memory_address): Allow any valid
5479         pointer type, not just the default pointer type.
5480
5481 2012-01-09  Richard Henderson  <rth@redhat.com>
5482             Denis Chertykov  <chertykov@gmail.com>
5483
5484         PR target/50925
5485         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
5486         * config/avr/avr.c (avr_can_eliminate): Simplify.
5487         (avr_initial_elimination_offset): Likewise.
5488         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
5489         (expand_epilogue): Likewise.
5490         (avr_legitimize_address): Gut.
5491         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
5492         (avr_hard_regno_nregs): New.
5493         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
5494         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
5495         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
5496         add soft frame pointer.
5497         (CALL_USED_REGISTERS): Likewise.
5498         (REG_CLASS_CONTENTS): Likewise.
5499         (REGISTER_NAMES): Likewise.
5500         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
5501         (HARD_FRAME_POINTER_REGNUM): New.
5502         (FRAME_POINTER_REGNUM): Use soft frame pointer.
5503         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
5504         remove the HARD_FRAME_POINTER self-elimination.
5505
5506 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
5507
5508         PR target/51756
5509         * config/avr/avr.c (avr_encode_section_info): Test for absence of
5510         DECL_EXTERNAL when checking for initializers of progmem variables.
5511
5512 2012-01-12  Ira Rosen  <irar@il.ibm.com>
5513
5514         PR tree-optimization/51799
5515         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
5516         that the last operation is a type demotion.
5517
5518 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
5519
5520         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
5521         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
5522
5523 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
5524
5525         PR bootstrap/51796
5526         * combine.c (distribute_notes): If i3 is a noreturn call,
5527         allow old_size to be equal to args_size and make sure the
5528         noreturn call gets REG_ARGS_SIZE note.
5529         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
5530         on noreturn calls even when the delta is 0.
5531
5532 2012-01-11  Nathan Sidwell  <nathan@acm.org>
5533
5534         * gcov.c (STRING_SIZE): Remove.
5535         (generate_results): Erase annotations for source files with no
5536         coverage information.
5537         (read_line): New.
5538         (output_lines): Use it.
5539
5540 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
5541
5542         * gimple.h (gimplify_body): Remove first argument.
5543         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
5544         pointer set here, instead just pass DATA to walk_tree.
5545         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
5546         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
5547         (unvisit_body): Likewise, but with unmark_visited.
5548         (gimplify_body): Remove BODY_P argument and adjust.
5549         (gimplify_function_tree): Adjust call to gimplify_body.
5550         * omp-low.c (finalize_task_copyfn): Likewise.
5551
5552 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
5553
5554         * tree.h (build_function_decl_skip_args): Add boolean parameter.
5555         (build_function_type_skip_args): Delete.
5556         * tree.c (build_function_type_skip_args): Make static and add
5557         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
5558         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
5559         pass it to build_function_type_skip_args.
5560         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
5561         (tree_function_versioning): Likewise.
5562         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
5563         build_function_decl_skip_args.
5564         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
5565         and pass it to build_function_decl_skip_args/tree_function_versioning.
5566         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
5567         * ipa-inline-transform.c (save_inline_function_body): Likewise.
5568         * trans-mem.c (ipa_tm_create_version): Likewise.
5569         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
5570         * tree-inline.c (declare_return_variable): Remove always-true test.
5571         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
5572         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
5573         * ipa-split.c (split_function): Skip the return value for the split
5574         part if it doesn't return.
5575
5576 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5577
5578         PR tree-optimization/49642
5579         * ipa-split.c (forbidden_dominators): New variable.
5580         (check_forbidden_calls): New function.
5581         (dominated_by_forbidden): Likewise.
5582         (consider_split): Check for forbidden dominators.
5583         (execute_split_functions): Initialize and free forbidden
5584         dominators info; call check_forbidden_calls.
5585
5586 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
5587
5588         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
5589
5590 2012-01-11  Nick Clifton  <nickc@redhat.com>
5591
5592         * config/rx/rx.md (return): Define pattern.
5593
5594 2012-01-11  Richard Guenther  <rguenther@suse.de>
5595
5596         * doc/extend.texi (malloc attribute): Adjust according to
5597         implementation.
5598
5599 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
5600             Patrick Marlier  <patrick.marlier@gmail.com>
5601
5602         PR middle-end/51516
5603         * trans-mem.c (get_cg_data): Traverse aliases if requested.
5604         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
5605         (ipa_tm_note_irrevocable): Same.
5606         (ipa_tm_scan_irr_block): Same.
5607         (ipa_tm_decrement_clone_counts): Same.
5608         (ipa_tm_scan_irr_function): Same.
5609         (ipa_tm_create_version_alias): Same.
5610         (ipa_tm_create_version): Same.
5611         (ipa_tm_transform_calls_redirect): Same.
5612         (ipa_tm_transform_calls): Same.
5613         (ipa_tm_transform_transaction): Same.
5614         (ipa_tm_execute): Same.
5615
5616 2012-01-10  Richard Guenther  <rguenther@suse.de>
5617
5618         PR middle-end/51806
5619         * opts.c (common_handle_option): Handle -Werror.
5620
5621 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
5622
5623         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
5624         operand number.
5625
5626 2012-01-10  Jason Merrill  <jason@redhat.com>
5627
5628         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
5629         information.
5630
5631 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5632
5633         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
5634         supports R_386_TLS_GD_PLT reloc.
5635         (gcc_cv_as_ix86_tlsldmplt): Check if linker
5636         supports R_386_TLS_LDM_PLT reloc.
5637         * configure: Regenerate.
5638         * config.in: Regenerate.
5639
5640 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
5641
5642         PR target/49868
5643         Extend __pgmx semantics to linearize memory.
5644         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
5645         determine if code comes inline or from libgcc.
5646         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
5647         (movmem_qi, movmem_qi): Set constraint #2 to "n".
5648         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
5649         (movmemx_qi, movmemx_hi): New insns.
5650         (xload_<mode>_libgcc): Rewrite to new insn condition.
5651         (xload_<mode>): Remove insns.
5652         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
5653         cases that don't satisfy avr_xload_libgcc_p().
5654         (avr_addr_space_convert): Allow converting in any direction.
5655         (avr_addr_space_subset_p): Return always true.
5656         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
5657         (avr_emit_movmemhi): Ditto.
5658         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
5659         (avr_out_movmem): Ditto.
5660         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
5661         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
5662         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
5663         (avr_encode_section_info): Encode 'progmem' in symbol flags.
5664         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
5665
5666 2012-01-10  Richard Guenther  <rguenther@suse.de>
5667
5668         PR tree-optimization/50913
5669         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
5670         Require data-refs to be representable by Graphite with respect
5671         to any loop nest.
5672
5673 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
5674
5675         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
5676         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
5677
5678 2012-01-10  Tom de Vries  <tom@codesourcery.com>
5679
5680         PR rtl-optimization/51271
5681         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
5682         handling annulled branch.
5683
5684 2012-01-10  Richard Henderson  <rth@redhat.com>
5685
5686         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
5687         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
5688         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
5689         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
5690         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
5691         arm_expand_vec_perm_const): New.
5692         * config/arm/arm-protos.h: Update.
5693         * config/arm/neon.md (UNSPEC_VCONCAT): New.
5694         (*neon_vswp<VDQX>): New.
5695         (neon_vcombine<VDX>): Use neon_split_vcombine.
5696         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
5697         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
5698         (vec_perm<VE>): New.
5699
5700 2012-01-10  Richard Henderson  <rth@redhat.com>
5701
5702         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
5703         use it if reload_completed.
5704         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
5705         arm_output_asm_insn, arm_process_output_memory_barrier,
5706         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
5707         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
5708         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
5709         arm_process_output_sync_insn, arm_output_sync_insn,
5710         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
5711         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
5712         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
5713         (emit_unlikely_jump): New.
5714         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
5715         (arm_split_atomic_op): New.
5716         * config/arm/arm-protos.h: Update.
5717         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
5718         (struct arm_sync_generator): Remove.
5719         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
5720         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
5721         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
5722         (VUNSPEC_LL, VUNSPEC_SC): New.
5723         (sync_result, sync_memory, sync_required_value, sync_new_value,
5724         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
5725         (attr length): Don't use arm_sync_loop_insns.
5726         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
5727         (movsfcc, movdfcc): Likewise.
5728         * config/arm/constraints.md (Ua): New.
5729         * config/arm/prediates.md (mem_noofs_operand): New.
5730         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
5731         (sync_clobber, sync_t2_reqd): Remove.
5732         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
5733         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
5734         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
5735         (arm_sync_compare_and_swap<SIDI>): Remove.
5736         (arm_sync_compare_and_swap<NARROW>): Remove.
5737         (arm_sync_lock_test_and_set<SIDI>): Remove.
5738         (arm_sync_lock_test_and_set<NARROW>): Remove.
5739         (arm_sync_new_<syncop><SIDI>): Remove.
5740         (arm_sync_new_<syncop><NARROW>): Remove.
5741         (arm_sync_new_nand<SIDI>): Remove.
5742         (arm_sync_new_nand<NARROW>): Remove.
5743         (arm_sync_old_<syncop><SIDI>): Remove.
5744         (arm_sync_old_<syncop><NARROW>): Remove.
5745         (arm_sync_old_nand<SIDI>): Remove.
5746         (arm_sync_old_nand<NARROW>): Remove.
5747         (*memory_barrier): Merge arm_output_memory_barrier.
5748         (atomic_compare_and_swap<QHSD>): New.
5749         (atomic_compare_and_swap<NARROW>_1): New.
5750         (atomic_compare_and_swap<SIDI>_1): New.
5751         (atomic_exchange<QHSD>): New.
5752         (cas_cmp_operand, cas_cmp_str): New.
5753         (atomic_op_operand, atomic_op_str): New.
5754         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
5755         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
5756         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
5757         (arm_load_exclusive<NARROW>): New.
5758         (arm_load_exclusivesi, arm_load_exclusivedi): New.
5759         (arm_store_exclusive<QHSD>): New.
5760
5761 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
5762
5763         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
5764         reload patterns if -mvsx-scalar-memory.
5765
5766         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
5767         generated, even -mno-vsx-scalar-double was used.
5768         (vsx_xscvdpsp_scalar): Likewise.
5769         (vsx_xscvspdp_scalar2): Likewise.
5770
5771 2012-01-09  Tom de Vries  <tom@codesourcery.com>
5772             Andrew Pinski  <apinski@cavium.com>
5773
5774         PR debug/51471
5775         * reorg.c (fill_slots_from_thread): Don't speculate
5776         frame-related insns.
5777
5778 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
5779
5780         * sched-int.h (bb_note): Move to...
5781         * basic-block.h: ...here.
5782         * haifa-sched.c (bb_note): Move to...
5783         * cfgrtl.c: ...here.
5784         * function.c (next_block_for_reg): New function.
5785         (move_insn_for_shrink_wrap): Likewise.
5786         (prepare_shrink_wrap): Rewrite to use the above.
5787
5788 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
5789
5790         * gimple.c (is_gimple_non_addressable): Remove.
5791         * gimple.h: Remove is_gimple_non_addressable.
5792         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
5793         is_gimple_non_addressable.
5794         * trans-mem.c (expand_assign_tm): Same.
5795
5796 2012-01-09  Richard Guenther  <rguenther@suse.de>
5797
5798         PR tree-optimization/51775
5799         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
5800         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
5801
5802 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
5803
5804         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
5805         tuning parameters.
5806         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
5807
5808 2012-01-09  Richard Guenther  <rguenther@suse.de>
5809
5810         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
5811
5812 2012-01-08  Jan Hubicka  <jh@suse.cz>
5813
5814         PR tree-optimize/51680
5815         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
5816         on when known_vals needs to be computed; cleanup.
5817
5818 2012-01-08  Jan Hubicka  <jh@suse.cz>
5819
5820         PR tree-optimize/51694
5821         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
5822
5823 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
5824
5825         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
5826         for -std=c++98 and -std=c++11 too.
5827
5828 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
5829
5830         * cfgloop.c (cancel_loop): Add free() of bbs array.
5831
5832 2012-01-07  Jan Hubicka  <jh@suse.cz>
5833
5834         PR tree-optimization/51600
5835         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
5836         that benefits small functions.
5837
5838 2012-01-07  Jan Hubicka  <jh@suse.cz>
5839
5840         * ipa-inline.c (want_inline_small_function_p): Fix formating.
5841
5842 2012-01-07  Jan Hubicka  <jh@suse.cz>
5843
5844         PR tree-optimization/51680
5845         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
5846         whose inlining reduce unit size.
5847
5848 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
5849
5850         PR bootstrap/51725
5851         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
5852         Add canonical node to containing_mem chain after the non-canonical
5853         one, even if there weren't any locs to propagate.
5854         (remove_useless_values): Keep only canonical values.
5855         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
5856         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
5857         canonicalize mem_chain elements that are not discarded.
5858
5859 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
5860
5861         PR target/47333
5862         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
5863         before emitting functions.
5864
5865         PR gcov-profile/50127
5866         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
5867         clear_aux_for_blocks.
5868
5869 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
5870
5871         PR debug/51746
5872         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
5873
5874 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
5875
5876         * c-decl.c (ext_block): Moved up.
5877         (collect_all_refs, for_each_global_decl): Take ext_block into account.
5878
5879 2012-01-06  Han Shen  <shenhan@google.com>
5880
5881         Translate built-in include paths for sysroot.
5882         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
5883         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
5884
5885         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
5886         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
5887
5888         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
5889         control whether sysroot should be prepended to gxx include dir.
5890
5891         * configure: Regenerate.
5892
5893 2012-01-06  Torvald Riegel  <triegel@redhat.com>
5894
5895         PR rtl-optimization/51771
5896         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
5897         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
5898
5899 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
5900
5901         PR tree-optimization/51315
5902         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
5903         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
5904
5905 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
5906
5907         PR target/51681
5908         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
5909         for shrp pattern.  Correctly handle and fixup shift variable.
5910         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
5911
5912 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
5913
5914         PR debug/51762
5915         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
5916         note when !ACCUMULATE_OUTGOING_ARGS.
5917
5918 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
5919
5920         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
5921         condition.
5922         (extract_range_from_unary_expr_1): Avoid useless computations.
5923
5924 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
5925
5926         PR rtl-optimization/51767
5927         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
5928         of jump_block and add an extra edge for degenerated asm gotos.
5929
5930         PR middle-end/51768
5931         * stmt.c (check_unique_operand_names): Don't ICE during error
5932         reporting if i is from labels chain.
5933
5934         PR middle-end/44777
5935         * profile.c (branch_prob): Split bbs that have exit edge
5936         and need a fake entry edge too.
5937
5938 2012-01-05  Jan Hubicka  <jh@suse.cz>
5939
5940         PR middle-end/49710
5941         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
5942         unlooping loops.
5943
5944 2012-01-05  Richard Guenther  <rguenther@suse.de>
5945
5946         PR lto/50490
5947         * tree-streamer-out.c (write_ts_optimization): New function.
5948         (streamer_write_tree_body): Call it.
5949         * tree-streamer-in.c (lto_input_ts_optimization): New function.
5950         (streamer_read_tree_body): Call it.
5951         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
5952
5953 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
5954
5955         PR middle-end/51761
5956         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
5957         * gimplify.c (gimplify_cleanup_point_expr): Save and set
5958         in_cleanup_point_expr before gimplify_stmt call and restore it
5959         afterwards.
5960         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
5961         in_cleanup_point_expr is false.
5962
5963 2012-01-05  Richard Guenther  <rguenther@suse.de>
5964
5965         PR middle-end/51764
5966         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
5967         to c.opt.
5968         * toplev.c (process_options): Reject combining mudflap and LTO.
5969         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
5970
5971 2012-01-05  Richard Guenther  <rguenther@suse.de>
5972
5973         PR tree-optimization/51760
5974         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
5975         not VARYING.
5976         (bit_value_unop): Handle UNDEFINED operands.
5977         (bit_value_binop): Likewise.
5978
5979 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
5980
5981         * config/avr/avr.c (avr_replace_prefix): Remove.
5982         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
5983         (avr_asm_function_rodata_section): Ditto.
5984         (avr_asm_select_section): Ditto.
5985
5986 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
5987
5988         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
5989         insertion.
5990
5991 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
5992
5993         PR bootstrap/51648
5994         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
5995         calls that have any non-fake successor edges.
5996
5997         PR debug/51746
5998         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
5999
6000 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
6001
6002         PR tree-optimization/51624
6003         * tree-sra.c (build_ref_for_model): When replicating a chain of
6004         COMPONENT_REFs, stop as soon as the offset would become negative.
6005
6006 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
6007
6008         PR debug/51695
6009         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
6010         in .debug_loc on the floor.
6011
6012 2012-01-04  Andrew Pinski  <apinski@cavium.com>
6013
6014         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
6015
6016 2012-01-04  Andrew Pinski  <apinski@cavium.com>
6017             Adam Nemet  <anemet@caviumnetworks.com>
6018
6019         * config/mips/mips.md (size): Add SI and DI.
6020         (SIZE): New mode attribute.
6021         (U): New code attribute.
6022         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
6023         (mips_lbux_<mode>): Delete.
6024         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
6025         (mips_lhx): Use gen_mips_lhx_extsi.
6026         (mips_lhx_<mode>): Delete.
6027         (mips_lwx): Delete.
6028         (mips_l<size>x): New expand.
6029         (mips_lwx_<mode>): Delete.
6030         (mips_l<GPR:size>x_<P:mode>): New pattern.
6031         (*mips_lw<u>x_<P:mode>_ext): Likewise.
6032         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
6033         * config/mips/mips.c (mips_lx_address_p): New function.
6034         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
6035         (dsp64): New availability predicate.
6036         (mips_builtins): Add an entry for __builtin_mips_ldx.
6037         * config/mips/mips.h (ISA_HAS_LBX): New define.
6038         (ISA_HAS_LBUX): Likewise.
6039         (ISA_HAS_LHX): Likewise.
6040         (ISA_HAS_LHUX): Likewise.
6041         (ISA_HAS_LWX): Likewise.
6042         (ISA_HAS_LWUX): Likewise.
6043         (ISA_HAS_LDX): Likewise.
6044         * doc/extend.texi (__builtin_mips_ldx): Document.
6045
6046 2012-01-04  Tristan Gingold  <gingold@adacore.com>
6047
6048         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
6049         when long pointers are used.
6050         * config.build (*-*-*vms*): Handle all OpenVMS targets.
6051         (alpha64-dec-*vms*, alpha*-dec-*vms*)
6052         (ia64-hp-*vms*): Remove.
6053         * config/vms/xm-vms64.h: Delete.
6054
6055 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
6056
6057         PR middle-end/51472
6058         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
6059
6060 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
6061
6062         * opts.c (finish_options): Remove duplicate sorry.
6063
6064 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
6065
6066         PR middle-end/51696
6067         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
6068         correctly.
6069
6070 2012-01-04  Richard Guenther  <rguenther@suse.de>
6071
6072         PR middle-end/51750
6073         * tree.c (size_low_cst): New function.
6074         * tree.h (size_low_cst): Declare.
6075         * fold-const.c (fold_comparison): Use it to extract the low
6076         part of the POINTER_PLUS_EXPR offset.
6077
6078 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
6079
6080         Fix clearing ZERO_REG
6081         * config/avr/avr.md (cc): Add alternative "ldi".
6082         (movqi_insn): Use it in cc attribute.
6083         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
6084         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
6085         (output_reload_insisf): Use ZERO_REG to pre-clear register.
6086
6087 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
6088
6089         * configure: Regenerate.
6090
6091 2012-01-04  Richard Guenther  <rguenther@suse.de>
6092
6093         PR tree-optimization/49651
6094         * tree-ssa-structalias.c (type_can_have_subvars): New function.
6095         (var_can_have_subvars): Use it.
6096         (get_constraint_for_1): Only consider subfields if there can be any.
6097
6098 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
6099
6100         PR bootstrap/51725
6101         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
6102         to its new canonical_cselib_val and the cselib_val was in
6103         first_containing_mem chain, but the canonical_cselib_val was not,
6104         add the latter into the chain.
6105         (cselib_invalidate_mem): Compare canonical_cselib_val of
6106         addr_list chain elt with v.
6107
6108         PR pch/51722
6109         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
6110         dwarf2out_undef): Allocate e.info using ggc_strdup instead
6111         of xstrdup.
6112         (output_macinfo_op): Don't ggc_strdup fd->filename.
6113         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
6114         then ggc_strdup it.  Don't free inc->info or cur->info.
6115         (output_macinfo): Don't free ref->info or file->info.
6116
6117 2012-01-03  Ira Rosen  <irar@il.ibm.com>
6118
6119         PR tree-optimization/51269
6120         * tree-vect-loop-manip.c (set_prologue_iterations): Make
6121         first_niters a pointer.
6122         (slpeel_tree_peel_loop_to_edge): Likewise.
6123         (vect_do_peeling_for_loop_bound): Update call to
6124         slpeel_tree_peel_loop_to_edge.
6125         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
6126         here.  Remove it from the parameters list.
6127         (vect_do_peeling_for_alignment): Update calls and compute
6128         wide_prolog_niters.
6129
6130 2012-01-03  Richard Guenther  <rguenther@suse.de>
6131
6132         PR tree-optimization/51070
6133         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
6134         Properly handle calls.
6135
6136 2012-01-03  Richard Guenther  <rguenther@suse.de>
6137
6138         PR tree-optimization/51692
6139         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
6140         the LHS of allocation stmts.
6141
6142 2012-01-03  Olivier Hainque  <hainque@adacore.com>
6143
6144         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
6145
6146 2012-01-03  Olivier Hainque  <hainque@adacore.com>
6147
6148         * collect2.c (main): In AIX specific computations for vector
6149         insertions, use CONST_CAST2 to cast from char ** to const char **.
6150
6151 2012-01-03  Richard Guenther  <rguenther@suse.de>
6152
6153         PR debug/51650
6154         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
6155         the context of a limbo DIE when it does not already exist.
6156
6157 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
6158
6159         PR tree-optimization/51719
6160         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
6161         but direct call is, clear direct call's lhs and don't add fallthrough
6162         edge from dcall_bb to join_bb and PHIs.
6163
6164 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
6165
6166         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
6167         the instructions emitted by the pattern.
6168         ("*TDC_insn_<mode>"): Add comment.
6169
6170 2012-01-03  Richard Guenther  <rguenther@suse.de>
6171
6172         PR middle-end/51730
6173         * fold-const.c (fold_comparison): Properly canonicalize
6174         tree offset and HOST_WIDE_INT bit position.
6175
6176 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
6177
6178         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
6179         operands for extzv pattern.
6180
6181 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
6182
6183         PR bootstrap/51725
6184         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
6185         on mem_elt first.
6186
6187 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
6188
6189         * doc/invoke.texi (-flto and related options): Copy-edit.
6190
6191 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
6192
6193         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
6194
6195 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
6196
6197         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
6198         New patterns.
6199
6200 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
6201
6202         * expr.h (move_by_pieces_ninsns): Declare.
6203         * expr.c (move_by_pieces_ninsns): Make external.
6204         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
6205         (mips_store_by_pieces_p): Likewise.
6206         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
6207         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
6208         * config/mips/mips.c (mips_move_by_pieces_p): New function.
6209         (mips_store_by_pieces_p): Likewise.
6210
6211 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
6212
6213         * passes.c (register_one_dump_file): Free full_name.
6214
6215         * reload1.c (reload): Don't allocate reg_max_ref_width here.
6216         (calculate_elim_costs_all_insns): Free offsets_at and
6217         offsets_known_at at the end and clear the pointers.
6218
6219 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
6220
6221         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
6222         this option introduced in r180739.
6223
6224 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
6225
6226         PR target/51345
6227         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
6228         (tmake_file target=avr): Add avr/t-multilib.
6229
6230         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
6231         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
6232         * config/avr/genmultilib.awk: New file.
6233         * config/avr/t-multilib: New auto-generated file.
6234         * config/avr/multilib.h: New auto-generated file.
6235         * config/avr/t-avr (AVR_MCUS): New variable.
6236         (genopt.sh): Use it.
6237         (s-mlib): Depend on t-multilib.
6238         (t-multilib, multilib.h): New dependencies.
6239         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
6240         (MULTILIB_OPTIONS): Remove.
6241         (MULTILIB_MATCHES): Remove.
6242         (MULTILIB_DIRNAMES): Remove.
6243         (MULTILIB_EXCEPTIONS): Remove:
6244         * config/avr/genopt.sh: Don't use hard coded file name;
6245         pass AVR_MCUS from t-avr instead.
6246
6247 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
6248
6249         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
6250
6251 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
6252
6253         Implement light-weight DImode support.
6254         * config/avr/avr-dimode.md: New file.
6255         * config/avr/avr.md: Include it.
6256         (adjust_len): Add plus64, compare64.
6257         (HIDI): Remove code iterator.
6258         (code_stdname): New code attribute.
6259         (rotx, rotsmode): Remove DI.
6260         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
6261         as code iterator.
6262         * config/avr/avr-protos.h (avr_have_dimode): New.
6263         (avr_out_plus64, avr_out_compare64): New.
6264         * config/avr/avr.c (avr_out_compare): Handle DImode.
6265         (avr_have_dimode): New variable definition and initialization.
6266         (avr_out_compare64, avr_out_plus64): New functions.
6267         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
6268         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
6269         (avr_compare_pattern): Skip DImode comparisons.
6270
6271 2012-01-02  Revital Eres  <revital.eres@linaro.org>
6272
6273         * ddg.c (def_has_ccmode_p): New function.
6274         (add_cross_iteration_register_deps,
6275         create_ddg_dep_from_intra_loop_link): Call it.
6276
6277 2012-01-02  Richard Guenther  <rguenther@suse.de>
6278
6279         PR other/51679
6280         * invoke.texi (fassociative-math): Remove spurious paranthesis.
6281
6282 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
6283
6284         * gcc.c (process_command): Update copyright notice dates.
6285         * gcov.c (print_version): Likewise.
6286         * gcov-dump.c (print_version): Likewise.
6287         * mips-tfile.c (main): Likewise.
6288         * mips-tdump.c (main): Likewise.
6289
6290 2012-01-01  Ira Rosen  <irar@il.ibm.com>
6291
6292         PR tree-optimization/51704
6293         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
6294         a use is inside the basic block or loop before accessing its vect info.
6295
6296 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
6297
6298         PR rtl-optimization/51069
6299         * cfgloopmanip.c (remove_path): Removing path making irreducible
6300         region unconditional makes BB part of the region.
6301
6302 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
6303
6304         PR tree-optimization/51683
6305         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
6306         calls with side-effects.
6307         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
6308 \f
6309 Copyright (C) 2012 Free Software Foundation, Inc.
6310
6311 Copying and distribution of this file, with or without modification,
6312 are permitted in any medium without royalty provided the copyright
6313 notice and this notice are preserved.