gcc/ChangeLog

   1 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
   2
   3         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
   4
   5 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
   6
   7         PR tree-optimization/41442
   8         * fold-const.c (merge_truthop_with_opposite_arm): New function.
   9         (fold_binary_loc): Call it.
  10
  11 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
  12
  13         * toplev.c (general_init): Set default for
  14         fdiagnostics-show-option.
  15         * opts.c (common_handle_option): Allow disabling it.
  16         * common.opt (fdiagnostics-show-option): Add Var. Enabled by
  17         default.
  18
  19 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
  20
  21         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
  22         between modes if both types are integral.
  23
  24 2010-04-23  Richard Guenther  <rguenther@suse.de>
  25
  26         PR tree-optimization/43572
  27         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
  28
  29 2010-04-23  Richard Guenther  <rguenther@suse.de>
  30
  31         PR lto/43455
  32         * tree-inline.c (tree_can_inline_p): Also check compatibility
  33         of return types.
  34
  35 2010-04-23  Martin Jambor  <mjambor@suse.cz>
  36
  37         PR tree-optimization/43846
  38         * tree-sra.c (struct access): New flag grp_assignment_read.
  39         (build_accesses_from_assign): Set grp_assignment_read.
  40         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
  41         (enum mark_read_status): New type.
  42         (analyze_access_subtree): Propagate grp_assignment_read, create
  43         accesses also if both direct_read and root->grp_assignment_read.
  44
  45 2010-04-23  Martin Jambor  <mjambor@suse.cz>
  46
  47         PR middle-end/43835
  48         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
  49         function does not have type attributes.
  50
  51 2010-04-23  Richard Guenther  <rguenther@suse.de>
  52
  53         PR lto/42653
  54         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
  55         of FUNCTION_DECLs.
  56
  57 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
  58
  59         * sese.h (create_if_region_on_edge): Remove.
  60
  61         * sese.c (create_if_region_on_edge): Make static.
  62
  63         * tree-inline.c: Do not include ggc.h.
  64
  65         * expr.c: Do not include ggc.h.
  66
  67         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
  68         dependencies.
  69
  70 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
  71
  72         PR target/43744
  73         * config/sh/sh.c (find_barrier): Don't emit a constant pool
  74         in the middle of insns for casesi_worker_2.
  75
  76 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
  77
  78         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
  79
  80 2010-04-22  Ira Rosen  <irar@il.ibm.com>
  81
  82         PR tree-optimization/43842
  83         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
  84         loop unrolling in update of exit phis. Fix comment.
  85         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
  86         least two reduction statements in the loop before starting SLP
  87         analysis.
  88
  89 2010-04-22  Nick Clifton  <nickc@redhat.com>
  90
  91         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
  92
  93 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
  94
  95         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
  96         to simplify a + ~a.
  97
  98 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
  99
 100         * tree-parloops.c (loop_parallel_p): New argument
 101         parloop_obstack.  Pass it down.
 102         (parallelize_loops): New variable parloop_obstack.  Initialize it,
 103         pass it down, free it.
 104
 105         * tree-loop-linear.c (linear_transform_loops): Pass down
 106         lambda_obstack.
 107
 108         * tree-data-ref.h (lambda_compute_access_matrices): New argument
 109         of type struct obstack *.
 110
 111         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
 112         scratch_obstack.  Initialize it, pass down, free it.
 113
 114         * lambda.h (lambda_loop_new): Remove.
 115         (lambda_matrix_new, lambda_matrix_inverse)
 116         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
 117         argument of type struct obstack *.
 118
 119         * lambda-trans.c (lambda_trans_matrix_new): New argument
 120         lambda_obstack.  Pass it down, use obstack allocation for ret.
 121         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
 122         it down.
 123
 124         * lambda-mat.c (lambda_matrix_get_column)
 125         (lambda_matrix_project_to_null): Remove.
 126         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
 127         allocation for mat.
 128         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
 129         lambda_obstack.
 130
 131         * lambda-code.c (lambda_loop_new): New function.
 132         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
 133         (lambda_compute_auxillary_space, lambda_compute_target_space)
 134         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
 135         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
 136         (build_access_matrix): New argument lambda_obstack.  Use obstack
 137         allocation for am.
 138         (lambda_compute_step_signs, lambda_compute_access_matrices): New
 139         argument lambda_obstack.  Pass it down.
 140
 141 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
 142
 143         * optabs.h (expand_widening_mult): Declare.
 144
 145 2010-04-22  Richard Guenther  <rguenther@suse.de>
 146
 147         PR tree-optimization/43845
 148         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
 149         lookup the CALL_EXPR function and arguments.
 150
 151 2010-04-22  Nick Clifton  <nickc@redhat.com>
 152
 153         * config/stormy16/stormy16.c
 154         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
 155         * config/stormy16/stormy16.h: Tidy up formatting.
 156         (DONT_USE_BUILTIN_SETJMP): Remove definition.
 157         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
 158         (ineqbranchsi): Delete pattern.
 159         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
 160         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
 161         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
 162         stormy16-lib2-ucmpsi2.c.
 163
 164 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
 165
 166         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
 167         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
 168         extra set merge_set_noclobber, and use it to relax the final test
 169         slightly.
 170         * df.h (df_simulate_find_noclobber_defs): Declare.
 171         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
 172         conditional defs.
 173         (df_simulate_find_noclobber_defs): New function.
 174
 175 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
 176
 177         * config/i386/i386.md: Use {} around multi-line preparation statements.
 178
 179 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
 180
 181         * c-tree.h (push_init_level, pop_init_level, set_init_index)
 182         (process_init_element): New argument of type struct obstack *.
 183
 184         * c-typeck.c (push_init_level, pop_init_level, set_designator)
 185         (set_init_index, set_init_label, set_nonincremental_init)
 186         (set_nonincremental_init_from_string, find_init_member)
 187         (output_init_element, output_pending_init_elements)
 188         (process_init_element): New argument braced_init_obstack.  Pass it
 189         down.
 190         (push_range_stack, add_pending_init): New argument
 191         braced_init_obstack.  Use obstack allocation.
 192
 193         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
 194         braced_init_obstack.  Pass it down.
 195         (c_parser_braced_init): New variables ret, braced_init_obstack.
 196         Initialize obstack, pass it down and finally free it.
 197
 198 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
 199
 200         PR middle-end/29274
 201         * tree-pass.h (pass_optimize_widening_mul): Declare.
 202         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
 203         gate_optimize_widening_mul): New static functions.
 204         (pass_optimize_widening_mul): New.
 205         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New
 206         case.
 207         <case MULT_EXPR>: Remove support for widening multiplies.
 208         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
 209         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
 210         simplify_gen_unary rather than directly building extensions.
 211         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
 212         WIDEN_MULT_EXPR.
 213         * expmed.c (expand_widening_mult): New function.
 214         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
 215
 216 2010-04-21  Jan Hubicka  <jh@suse.cz>
 217
 218         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
 219         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
 220         * lto-wpa-fixup.c: Remove.
 221         * Makefile.in (lto-wpa-fixup.o): Remove.
 222         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
 223         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
 224         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
 225
 226 2010-04-21  Jan Hubicka  <jh@suse.cz>
 227
 228         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
 229         add write_optimization_summary, read_optimization_summary.
 230         (ipa_write_summaries_of_cgraph_node_set): Remove.
 231         (ipa_write_optimization_summaries): Declare.
 232         (ipa_read_optimization_summaries): Declare.
 233         * ipa-cp.c (pass_ipa_cp): Update.
 234         * ipa-reference.c (pass_ipa_reference): Update.
 235         * ipa-pure-const.c (pass_ipa_pure_const): Update.
 236         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
 237         Update.
 238         * ipa-inline.c (pass_ipa_inline): Update.
 239         * ipa.c (pass_ipa_whole_program): Update.
 240         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
 241         * passes.c (ipa_write_summaries_1): Do not test wpa.
 242         (ipa_write_optimization_summaries_1): New.
 243         (ipa_write_optimization_summaries): New.
 244         (ipa_read_summaries): Do not test ltrans.
 245         (ipa_read_optimization_summaries_1): New.
 246         (ipa_read_optimization_summaries): New.
 247
 248 2010-04-21  Jan Hubicka  <jh@suse.cz>
 249
 250         * lto-cgraph.c (lto_output_node): Do not output comdat groups
 251         for boundary nodes.
 252         (output_cgraph): Do not arrange comdat groups for boundary nodes.
 253
 254 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
 255
 256         PR debug/40040
 257         * dwarf2out.c (add_name_and_src_coords_attributes): Add
 258         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
 259
 260 2010-04-21  Jan Hubicka  <jh@suse.cz>
 261
 262         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
 263
 264 2010-04-21  Jan Hubicka  <jh@suse.cz>
 265
 266         * varpool.c (decide_is_variable_needed): Variable is always needed
 267         during ltrans.
 268
 269 2010-04-21  Jan Hubicka  <jh@suse.cz>
 270
 271         * opts.c (decode_options): Enable pure-const pass for whopr.
 272
 273 2010-04-21  Jan Hubicka  <jh@suse.cz>
 274
 275         * cgraph.c (dump_cgraph_node): Dump also assembler name.
 276         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
 277         at WPA dumping.
 278         (cgraph_decide_inlining): Do not expect callee to be removed in all
 279         cases.
 280
 281 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
 282
 283         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
 284
 285 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
 286
 287         * config/i386/i386.md (x86_shrd): Add athlon_decode and
 288         amdfam10_decode attributes.
 289
 290 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
 291
 292         PR middle-end/43570
 293         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
 294         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
 295         (lower_copyprivate_clauses): Use private var in outer
 296         context instead of original var.  Make sure the types
 297         are correct for VLAs.
 298
 299 2010-04-21  Richard Guenther  <rguenther@suse.de>
 300
 301         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
 302         to non-pointer objects.
 303
 304 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
 305
 306         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
 307         last chain entry if it starts with the still current label.
 308         (add_location_or_const_value_attribute): Check that
 309         loc_list->first->next is NULL instead of comparing ->first with ->last.
 310         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
 311         to add_var_loc_to_decl.
 312
 313         * dwarf2out.c (output_call_frame_info): For dw_cie_version
 314         >= 4 add also address size and segment size fields into CIE header.
 315
 316         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
 317         long as address size is the same as sizeof (void *) and
 318         segment size is 0.
 319         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
 320         address size or segment size is unexpected, return DW_EH_PE_omit.
 321         (classify_object_over_fdes): If get_cie_encoding returned
 322         DW_EH_PE_omit, return -1.
 323         (init_object): If classify_object_over_fdes returned -1,
 324         pretend there were no FDEs at all.
 325
 326 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
 327
 328         * config/i386/i386.md (bswap<mode>2): Macroize expander from
 329         bswap{si,di}2 using SWI48 mode iterator.
 330         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
 331         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
 332         set modrm attribute of bswap insn to 0 and remove length attribute.
 333         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
 334         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
 335         set mode attribute to <MODE> and remove length attribute.
 336
 337 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
 338
 339         PR rtl-optimization/43520
 340         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
 341         zero available registers.
 342
 343 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 344
 345         * builtins.c (fold_builtin_cproj): Fold more cases.
 346
 347 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 348
 349         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
 350         (fold_builtin_1): Fold builtin cproj.
 351         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
 352         Use ATTR_CONST_NOTHROW_LIST.
 353
 354 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
 355
 356         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
 357         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
 358         ffsi2_no_cmove for !TARGET_CMOVE.
 359         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
 360         (ffssi2): Remove expander.
 361         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
 362         mode iterator.
 363         (ctz<mode>2): Ditto from ctz{si,di}2.
 364         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
 365         mode iterator.
 366         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
 367         mode iterator.
 368
 369 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
 370
 371         * dwarf2out.c (AT_linkage_name): Define.
 372         (clone_as_declaration): Handle DW_AT_linkage_name.
 373         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
 374         of DW_AT_MIPS_linkage_name.
 375         (move_linkage_attr): Likewise.
 376         (dwarf2out_finish): Likewise.
 377
 378 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
 379
 380         PR middle-end/41952
 381         * fold-const.c (fold_comparison): New folding rule.
 382
 383 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
 384
 385         * double-int.h (double_int_setbit): Declare.
 386         * double-int.c (double_int_setbit): New function.
 387         * rtl.h (immed_double_int_const): Declare.
 388         * emit-rtl.c (immed_double_int_const): New function.
 389         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
 390         and immed_double_int_const functions.
 391         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
 392         expand_copysign_bit):  (Ditto.).
 393         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
 394         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
 395         * dojump.c (prefer_and_bit_test): (Ditto.).
 396         * expr.c (convert_modes, reduce_to_bit_field_precision,
 397         const_vector_from_tree): (Ditto.).
 398         * expmed.c (mask_rtx, lshift_value): (Ditto.).
 399
 400 2010-04-20  Jan Hubicka  <jh@suse.cz>
 401
 402         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
 403         (dump_cgraph_node): Dump new flags.
 404         * cgraph.h (struct cgraph_node): Add flags
 405         reachable_from_other_partition and in_other_partition.
 406         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
 407         other partition can not be removed.
 408         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
 409         the other partition must be output; silence sanity checking on
 410         leaking functions bodies from other paritition.
 411         * lto-cgraph.c (reachable_from_other_partition_p): New function.
 412         (lto_output_node): Output new flags; do not sanity check that inline
 413         clones are output; drop lto_forced_extern_inline_p code; do not mock
 414         visibility flags at partition boundaries.
 415         (add_node_to): New function.
 416         (output_cgraph): Use it to sort functions so masters appear before
 417         clones.
 418         (input_overwrite_node): Input new flags.
 419         * passes.c (ipa_write_summaries): Do not call
 420         lto_new_extern_inline_states.
 421         * lto-section-out.c (forced_extern_inline, lto_new_extern_inline_states,
 422         lto_delete_extern_inline_states, lto_force_functions_extern_inline,
 423         lto_forced_extern_inline_p): Kill.
 424         * lto-streamer.h (lto_new_extern_inline_states,
 425         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
 426         lto_forced_extern_inline_p): Kill.
 427
 428 2010-04-20  Richard Guenther  <rguenther@suse.de>
 429
 430         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
 431         from vars that can have pointers.
 432         (process_constraint): Dump useless constraints.
 433
 434 2010-04-20  Richard Guenther  <rguenther@suse.de>
 435
 436         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
 437         (dump_sa_points_to_info): Remove asserts.
 438         (init_base_vars): nothing_id isn't an escape point nor does it
 439         have pointers.
 440
 441 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
 442
 443         * tree.h (TYPE_REF_IS_RVALUE): Define.
 444         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
 445         should_move_die_to_comdat, prune_unused_types_walk): Handle
 446         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
 447         (modified_type_die, gen_reference_type_die): Emit
 448         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
 449         if TYPE_REF_IS_RVALUE and -gdwarf-4.
 450
 451 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 452
 453         PR target/43635
 454         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
 455         calls for -fpic -m31 if they have been sibcall optimized.
 456
 457 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
 458
 459         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
 460         ar.lc fixed and call-used.
 461
 462         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
 463
 464 2010-04-19  Jan Hubicka  <jh@suse.cz>
 465
 466         * opts.c (decode_options): Disable whpr incompatible passes.
 467         * lto/lto.c (lto_1_to_1_map): Skip clones.
 468         (read_cgraph_and_symbols): Do not mark everything as needed.
 469         (do_whole_program_analysis): Do map only after optimizing;
 470         set proper cgraph_state; use passmanager.
 471
 472 2010-04-19  DJ Delorie  <dj@redhat.com>
 473
 474         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
 475         POINTER_PLUS_EXPR and fix them.
 476
 477 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
 478
 479         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
 480         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
 481         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
 482         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
 483         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
 484         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
 485         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
 486         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
 487         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
 488         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
 489         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
 490
 491 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
 492
 493         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
 494         (check_cond_move_block): Likewise.
 495         (cond_move_process_if_block): Likewise.
 496         (noce_find_if_block): Improve formatting.
 497         (find_if_header): Pass 0 to memset and tweak conditions.
 498         (cond_exec_find_if_block): Fix long lines and tweak conditions.
 499
 500 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
 501
 502         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
 503         for -gdwarf-4.
 504
 505         PR middle-end/43337
 506         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
 507         with non-local decl doesn't need chain.
 508
 509 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
 510
 511         * ira-color.c (allocno_reload_assign): Avoid accumulating
 512         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
 513
 514 2010-04-19  Martin Jambor  <mjambor@suse.cz>
 515
 516         * gimple.h (create_tmp_reg): Declare.
 517         * gimplify.c (create_tmp_reg): New function.
 518         (gimplify_return_expr): Use create_tmp_reg.
 519         (gimplify_omp_atomic): Likewise.
 520         (gimple_regimplify_operands): Likewise.
 521         * tree-dfa.c (make_rename_temp): Likewise.
 522         * tree-predcom.c (predcom_tmp_var): Likewise.
 523         (reassociate_to_the_same_stmt): Likewise.
 524         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
 525         (get_replaced_param_substitute): Likewise.
 526         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
 527         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
 528         * tree-ssa-pre.c (get_representative_for): Likewise.
 529         (create_expression_by_pieces): Likewise.
 530         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
 531         (create_tailcall_accumulator): Likewise.
 532
 533 2010-04-19  Martin Jambor  <mjambor@suse.cz>
 534
 535         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
 536         new_stmt.
 537         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
 538
 539 2010-04-19  Richard Guenther  <rguenther@suse.de>
 540
 541         PR tree-optimization/43796
 542         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
 543         from SCEV in the lattice.
 544         (vrp_visit_phi_node): Dump change.
 545
 546 2010-04-19  Richard Guenther  <rguenther@suse.de>
 547
 548         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
 549         * configure: Re-generated.
 550
 551 2010-04-19  Richard Guenther  <rguenther@suse.de>
 552
 553         PR tree-optimization/43783
 554         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
 555         constant ARRAY_REF operands two and three if possible.
 556
 557 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
 558
 559         PR target/43766
 560         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
 561
 562 2010-04-19  Jie Zhang  <jie@codesourcery.com>
 563
 564         PR target/43662
 565         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
 566
 567 2010-04-19  Ira Rosen  <irar@il.ibm.com>
 568
 569         PR tree-optimization/37027
 570         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
 571         and macro to access it.
 572         (vectorizable_reduction): Add argument.
 573         (vect_get_slp_defs): Likewise.
 574         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
 575         statements for possible use in SLP.
 576         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
 577         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
 578         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
 579         add new argument.
 580         (vectorizable_reduction): Likewise.
 581         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
 582         vect_get_slp_defs.
 583         (vectorizable_type_demotion, vectorizable_type_promotion,
 584         vectorizable_store): Likewise.
 585         (vect_analyze_stmt): Update call to vectorizable_reduction.
 586         (vect_transform_stmt): Likewise.
 587         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
 588         (vect_build_slp_tree): Fix indentation. Check that there are no loads
 589         from different interleaving chains in same node.
 590         (vect_slp_rearrange_stmts): New function.
 591         (vect_supported_load_permutation_p): Allow load permutations for
 592         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
 593         inside SLP nodes if necessary.
 594         (vect_analyze_slp_instance): Handle reductions.
 595         (vect_analyze_slp): Try to build SLP instances originating from groups
 596         of reductions.
 597         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
 598         (vect_get_constant_vectors): Create initial vectors for reductions
 599         according to reduction code. Add new argument.
 600         (vect_get_slp_defs): Add new argument, pass it to
 601         vect_get_constant_vectors.
 602         (vect_schedule_slp_instance): Remove SLP tree root statements.
 603
 604 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
 605
 606         * tree.h (ENUM_IS_SCOPED): Define.
 607         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
 608         for ENUM_IS_SCOPED enums.
 609
 610 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
 611
 612         * fold-const.c (fold_comparison): Use ssizetype.
 613         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
 614         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
 615         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
 616         * tree-object-size.c (compute_object_sizes): Use size_type_node.
 617
 618         * tree.h (initialize_sizetypes): Remove parameter.
 619         (build_common_tree_nodes): Remove second parameter.
 620         * stor-layout.c (initialize_sizetypes): Remove parameter.
 621         Always create an unsigned type.
 622         (set_sizetype): Assert that the passed type is unsigned and simplify.
 623         * tree.c (build_common_tree_nodes): Remove second parameter.
 624         Adjust call to initialize_sizetypes.
 625         * c-decl.c (c_init_decl_processing): Remove second argument in call to
 626         build_common_tree_nodes.
 627
 628 2010-04-18  Matthias Klose  <doko@ubuntu.com>
 629
 630         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
 631
 632 2010-04-18  Ira Rosen  <irar@il.ibm.com>
 633
 634         PR tree-optimization/43771
 635         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
 636         load permutation doesn't have gaps.
 637
 638 2010-04-18  Jan Hubicka  <jh@suse.cz>
 639
 640         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
 641         (sse_prologue_save_insn expander): Use new pattern.
 642         (sse_prologue_save_insn1): New pattern and splitter.
 643         (sse_prologue_save_insn): Update to deal also with 64bit aligned
 644         blocks.
 645         * i386.c (setup_incoming_varargs_64): Do not compute jump
 646         destination here.
 647         (ix86_gimplify_va_arg): Update alignment needed.
 648         (ix86_local_alignment): Do not align all local arrays to 128bit.
 649
 650 2010-04-17  Jan Hubicka  <jh@suse.cz>
 651
 652         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
 653
 654 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
 655
 656         * arm.md (negdi2): Remove redundant code to force values into a
 657         register.
 658
 659 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
 660
 661         * arm/bpabi.S: Add EABI alignment attributes to objects.
 662         * arm/bpabi-v6m.S: Likewise.
 663         * arm/crti.asm: Likewise.
 664         * arm/crtn.asm: Likewise.
 665         * arm/lib1funcs.asm: Likewise.
 666         * arm/libunwind.S: Likewise.
 667
 668 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
 669
 670         * arm-protos.h (tune_params): New structure.
 671         * arm.c (current_tune): New variable.
 672         (arm_constant_limit): Delete.
 673         (struct processors): Add pointer to the tune parameters.
 674         (arm_slowmul_tune): New tuning option.
 675         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
 676         (all_cores): Adjust to pick up the tuning model.
 677         (arm_constant_limit): New function.
 678         (arm_override_options): Select the appropriate tuning model.  Delete
 679         initialization of arm_const_limit.
 680         (arm_split_constant): Use the new constant-limit model.
 681         (arm_rtx_costs): Pick up the current tuning model.
 682         * arm.md (is_strongarm, is_xscale): Delete.
 683         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
 684         for Xscale variant architectures.
 685         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
 686
 687 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
 688
 689         * config/arm/arm.c (arm_gen_constant): Remove unused variable
 690         can_shift.
 691         (arm_rtx_costs_1): Remove unused variable extra_cost.
 692         (arm_unwind_emit_set): Use variable offset.
 693         (thumb1_output_casesi): Remove unused variable flags.
 694
 695 2010-04-16  Jeff Law  <law@redhat.com>
 696
 697         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
 698         needing assignment rather than doing a two-phase assignment.  Remove
 699         unused variable 'm'.
 700
 701 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
 702
 703         PR bootstrap/43767
 704         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
 705
 706 2010-04-16  Doug Kwan  <dougkwan@google.com>
 707
 708         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
 709         (next_operand_entry_id): New static variable.
 710         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
 711         (add_to_ops_vec): Assigned unique ID to operand entry.
 712         (struct oecount_s): New field ID.
 713         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
 714         (undistribute_ops_list): Assign unique IDs to oecounts.
 715         (init_reassoc): reset next_operand_entry_id.
 716
 717 2010-04-16  Doug Kwan  <dougkwan@google.com>
 718
 719         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
 720         missing left parenthesis.
 721
 722 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
 723
 724         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
 725         *btdi_rex64 using SWI48 mode iterator.
 726         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
 727         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
 728         *jcc_btdi_mask_rex64.
 729
 730 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
 731
 732         * double-int.h (tree_to_double_int): Convert to macro.
 733         * double-int.c (tree_to_double_int): Remove.
 734
 735 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
 736
 737         PR debug/43762
 738         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
 739         with want_address 2 and in case a single element list might be
 740         possible, call it again with want_address 0.
 741
 742 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
 743
 744         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
 745         case 'W' print operands for HI mode.
 746         * config/h8300/h8300.h (Y0, Y2) : New constraints.
 747         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
 748         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
 749         * config/h8300/predicate.md (bit_register_indirect_operand): New.
 750
 751         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
 752
 753         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
 754         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
 755         #xx:3 and #xx:4 mode.
 756
 757         * config/h8300/h8300.md (inverted load with HImode dest): Add
 758         support for H8300SX.
 759
 760         * config/h8300/predicate.md (bit_operand): Allow immediate values that
 761         satisfy 'U' constraint.
 762
 763 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 764
 765         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
 766         * configure: Regenerate.
 767         * config.in: Regenerate.
 768         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
 769         works.
 770
 771 2010-04-16  Richard Guenther  <rguenther@suse.de>
 772
 773         * tree.h (struct tree_decl_minimal): Move pt_uid ...
 774         (struct tree_decl_common): ... here.
 775         (DECL_PT_UID): Adjust.
 776         (SET_DECL_PT_UID): Likewise.
 777         (DECL_PT_UID_SET_P): Likewise.
 778
 779 2010-04-16  Richard Guenther  <rguenther@suse.de>
 780
 781         PR tree-optimization/43572
 782         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
 783         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
 784         * tree-flow.h (is_call_clobbered): Remove.
 785         * tree-flow-inline.h (is_call_clobbered): Likewise.
 786         * tree-dfa.c (dump_variable): Do not dump call clobber state.
 787         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
 788         (execute_return_slot_opt): Adjust.
 789         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
 790         check for call clobbered vars here.
 791         (find_tail_calls): Move tailcall verification to the
 792         proper place.
 793
 794 2010-04-16  Diego Novillo  <dnovillo@google.com>
 795
 796         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
 797
 798 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
 799
 800         PR target/40603
 801         * config/arm/arm.md (cbranchqi4): New pattern.
 802         * config/arm/predicates.md (const0_operand,
 803         cbranchqi4_comparison_operator): New predicates.
 804
 805 2010-04-16  Richard Guenther  <rguenther@suse.de>
 806
 807         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
 808         (dump_gimple_stmt): Likewise.
 809
 810 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
 811
 812         * recog.h (struct recog_data): New field is_operator.
 813         (struct insn_operand_data): New field is_operator.
 814         * recog.c (extract_insn): Set recog_data.is_operator.
 815         * genoutput.c (output_operand_data): Emit code to set the
 816         is_operator field.
 817         * reload.c (find_reloads): Use it rather than testing for an
 818         empty constraint string.
 819
 820         PR target/41514
 821         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
 822         If the previous insn is a cbranchsi4_insn with the same arguments,
 823         omit the compare instruction.
 824
 825         * config/arm/arm.md (addsi3_cbranch): If destination is a high
 826         register, inputs must be low registers and we need a low register
 827         scratch.  Handle alternative 2 like alternative 3.
 828
 829 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
 830
 831         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
 832         don't call get_addr on both.  If one expression is a VALUE and
 833         the other a REG, check VALUE's locs if the REG isn't among them.
 834
 835 2010-04-16  Christian Bruel  <christian.bruel@st.com>
 836
 837         * config/sh/sh.h (sh_frame_pointer_required): New function.
 838         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
 839         (flag_omit_frame_pointer) Set.
 840         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
 841         (rounded_frame_size): Adjust size with outgoing_args_size.
 842         (sh_set_return_address): Must return from stack pointer.
 843         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
 844         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
 845         (ACCUMULATE_OUTGOING_ARGS): Define.
 846         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
 847         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
 848
 849 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
 850
 851         PR target/43471
 852         * config/sh/sh.c (sh_legitimize_reload_address): Use
 853         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
 854         Remove a unneeded check for offset_base.
 855
 856 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
 857
 858         * configure: Regenerated.
 859
 860 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 861
 862         * config/s390/s390.c (s390_call_save_register_used): Switch back
 863         to HARD_REGNO_NREGS.
 864
 865 2010-04-15  Richard Guenther  <rguenther@suse.de>
 866
 867         * alias.c (alias_set_subset_of): Handle alias-set zero
 868         child properly.
 869
 870 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
 871             Julian Brown  <julian@codesourcery.com>
 872
 873         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
 874         alternatives according to use of high and low regs.
 875         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
 876         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
 877         optimizing for size on Thumb-2.
 878
 879 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
 880
 881         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
 882
 883 2010-04-15  Richard Guenther  <rguenther@suse.de>
 884
 885         * tree-ssa-structalias.c (struct variable_info): Add
 886         is_fn_info flag.
 887         (new_var_info): Initialize it.
 888         (dump_constraints): Support printing last added constraints.
 889         (debug_constraints): Adjust.
 890         (dump_constraint_graph): Likewise.
 891         (make_heapvar_for): Check for NULL cfun.
 892         (get_function_part_constraint): New function.
 893         (get_fi_for_callee): Likewise.
 894         (find_func_aliases): Properly implement IPA PTA constraints.
 895         (process_ipa_clobber): New function.
 896         (find_func_clobbers): Likewise.
 897         (insert_into_field_list_sorted): Remove.
 898         (create_function_info_for): Properly allocate vars for IPA mode.
 899         Do not use insert_into_field_list_sorted.
 900         (create_variable_info_for): Properly generate constraints for
 901         global vars in IPA mode.
 902         (dump_solution_for_var): Always dump the solution.
 903         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
 904         (find_what_var_points_to): Adjust.
 905         (pt_solution_set): Change.
 906         (pt_solution_ior_into): New function.
 907         (pt_solution_empty_p): Export.
 908         (pt_solution_includes_global): Adjust.
 909         (pt_solution_includes_1): Likewise.
 910         (pt_solutions_intersect_1): Likewise.
 911         (dump_sa_points_to_info): Check some invariants.
 912         (solve_constraints): Move constraint dumping ...
 913         (compute_points_to_sets): ... here.
 914         (ipa_pta_execute): ... and here.
 915         (compute_may_aliases): Do not re-compute points-to info
 916         locally if IPA info is available.
 917         (ipa_escaped_pt): New global var.
 918         (ipa_pta_execute): Properly implement IPA PTA.
 919         * tree-into-ssa.c (dump_decl_set): Support dumping
 920         decls not in referenced-vars.
 921         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
 922         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
 923         (dump_points_to_solution): Likewise.
 924         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
 925         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
 926         (remap_gimple_stmt): Reset call clobber/use information if necessary.
 927         (copy_decl_to_var): Copy DECL_PT_UID.
 928         (copy_result_decl_to_var): Likewise.
 929         * tree.c (make_node_stat): Initialize DECL_PT_UID.
 930         (copy_node_stat): Copy it.
 931         * tree.h (DECL_PT_UID): New macro.
 932         (SET_DECL_PT_UID): Likewise.
 933         (DECL_PT_UID_SET_P): Likewise.
 934         (struct tree_decl_minimal): Add pt_uid member.
 935         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
 936         (pt_solution_empty_p): Declare.
 937         (pt_solution_set): Adjust.
 938         (ipa_escaped_pt): Declare.
 939         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
 940         * gimple-pretty-print.c (pp_points_to_solution): New function.
 941         (dump_gimple_call): Dump call clobber/use information.
 942         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
 943         * tree-pass.h (TDF_ALIAS): New dump option.
 944         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
 945         * doc/invoke.texi (-fipa-pta): Update documentation.
 946
 947 2010-04-15  Richard Guenther  <rguenther@suse.de>
 948
 949         * Makefile.in (OBJS-common): Add gimple-fold.o.
 950         (gimple-fold.o): New rule.
 951         * tree.h (maybe_fold_offset_to_reference,
 952         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
 953         prototypes ...
 954         * gimple.h: ... here.
 955         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
 956         may_propagate_address_into_dereference): Move prototypes ...
 957         * gimple.h: ... here.
 958         * tree-ssa-ccp.c (get_symbol_constant_value,
 959         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
 960         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
 961         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
 962         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
 963         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
 964         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
 965         gimplify_and_update_call_from_tree): Move ...
 966         * gimple-fold.c: ... here.  New file.
 967         (ccp_fold_builtin): Rename to ...
 968         (gimple_fold_builtin): ... this.
 969         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
 970
 971 2010-04-15  Richard Guenther  <rguenther@suse.de>
 972
 973         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
 974         fit_double_type, force_fit_type_double, add_double_with_sign,
 975         neg_double, mul_double_with_sign, lshift_double, rshift_double,
 976         lrotate_double, rrotate_double, div_and_round_double): Move ...
 977         * double-int.c: ... here.
 978         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
 979         add_double, neg_double, mul_double_with_sign, mul_double,
 980         lshift_double, rshift_double, lrotate_double, rrotate_double,
 981         div_and_round_double): Move prototypes ...
 982         * double-int.h: ... here.
 983
 984 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
 985
 986         PR target/43742
 987         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
 988         matching constraints to ensure inputs match the output.
 989
 990 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
 991
 992         PR target/43742
 993         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
 994         in an input-only operand.
 995
 996 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
 997
 998         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
 999         (double_int_not, double_int_lshift, double_int_rshift): Declare.
1000         (double_int_negative_p): Convert to static inline function.
1001         * double-int.c (double_int_lshift, double_int_lshift): Add new function.
1002         (double_int_negative_p): Remove.
1003         * tree.h (lshift_double, rshift_double):
1004         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1005         * fold-const.c (fold_convert_const_int_from_real,
1006         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1007         (lshift_double): Change type of arith argument to bool.
1008         (rshift_double): Change type of arith argument to bool. Correct
1009         comment.
1010         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1011
1012 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
1013
1014         PR target/21803
1015         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1016         at the start and end of the then/else blocks, and omit them from the
1017         conversion.
1018         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
1019         argument; all callers changed.  Pass zero to old_insns_match_p instead.
1020         (flow_find_head_matching_sequence): New function.
1021         (old_insns_match_p): Check REG_EH_REGION notes for calls.
1022         * basic-block.h (flow_find_cross_jump,
1023         flow_find_head_matching_sequence): Declare functions.
1024
1025 2010-04-14  Jason Merrill  <jason@redhat.com>
1026
1027         PR c++/36625
1028         * c-common.c (attribute_takes_identifier_p): New fn.
1029         * c-common.h: Declare it.
1030
1031 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1032
1033         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1034         splitter condition.
1035         (*udivmod<mode>4): Ditto.
1036
1037 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1038
1039         * config/i386/i386.md (maxmin_int): Rename code attribute from
1040         maxminiprefix and update all users.
1041         (maxmin_float): Ditto from maxminfprefix.
1042         (logic): Ditto from logicprefix.
1043         (absneg_mnemonic): Ditto from absnegprefix.
1044         * config/i386/mmx.md: Update all users of maxminiprefix,
1045         maxminfprefix and logicprefix for rename.
1046         * config/i386/sse.md: Ditto.
1047         * config/i386/sync.md (sync_<code><mode>): Update for
1048         logicprefix rename.
1049
1050 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1051
1052         PR 42966
1053         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1054         warnings converted to errors.
1055
1056 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1057
1058         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1059         used insn_type variable.
1060         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1061         to avoid set-but-not-used warning.
1062
1063 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1064
1065         * df-core.c (df_ref_debug): Change format string placeholder
1066         from 0x%x to %#x.
1067         * dwarf2asm.c (dw2_asm_output_data_raw,
1068         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1069         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1070         * dwarf2out.c (output_cfi, output_cfi_directive,
1071         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1072         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1073         Ditto.
1074         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1075         * print-rtl.c (print_rtx): Ditto.
1076
1077 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
1078
1079         PR middle-end/42694
1080         * builtins.c (expand_builtin_pow_root): New function to expand pow
1081         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1082         series of sqrt and cbrt calls under -ffast-math.
1083         (expand_builtin_pow): Call it.
1084
1085 2010-04-14  Michael Matz  <matz@suse.de>
1086
1087         PR tree-optimization/42963
1088         * tree-cfg.c (touched_switch_bbs): New static variable.
1089         (group_case_labels_stmt): New function broken out from ...
1090         (group_case_labels): ... here, use the above.
1091         (start_recording_case_labels): Allocate touched_switch_bbs.
1092         (end_recording_case_labels): Deallocate it, call
1093         group_case_labels_stmt.
1094         (gimple_redirect_edge_and_branch): Remember index of affected BB.
1095
1096 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1097
1098         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1099         from insn template.
1100
1101 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1102
1103         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1104
1105 2010-04-13  Jan Hubicka  <jh@suse.cz>
1106
1107         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1108         of optimized out static functions.
1109         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1110         cost computation.  Also sanity check for overflows.
1111         (update_caller_keys): Update cgraph_edge_badness call; properly
1112         update fibheap and sanity check that it is up to date.
1113         (add_new_edges_to_heap): Update cgraph_edge_badness.
1114         (cgraph_decide_inlining_of_small_function): Likewise;
1115         add sanity checking that badness in heap is up to date;
1116         improve dumping of reason; Update badness of calls to the
1117         offline copy of function currently inlined; dump badness
1118         of functions not inlined because of unit growth limits.
1119
1120 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1121
1122         PR middle-end/32628
1123         * c-common.c (pointer_int_sum): Disregard overflow that occured only
1124         because of sign-extension change when converting to sizetype here...
1125         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1126
1127         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
1128         the folding to constants.  Remove redundant final conversion.
1129         (fold_binary) <associate>: Do not associate if the re-association of
1130         constants alone overflows.
1131         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
1132         to the end of the list.
1133         (multiple_of_p) <COND_EXPR>: New case.
1134
1135 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1136
1137         * opt-functions.awk (opt_sanitized_name): New.
1138         (opt_enum): New.
1139         * optc-gen.awk: Use it
1140         * opth-gen.awk: Use it.
1141
1142 2010-04-13  Martin Jambor  <mjambor@suse.cz>
1143
1144         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
1145         (sra_modify_assign): Delete stmts loading dead data even if racc has no
1146         children.  Call replace_uses_with_default_def_ssa_name to handle
1147         SSA_NAES on lhs.
1148
1149 2010-04-13  Michael Matz  <matz@suse.de>
1150
1151         PR middle-end/43730
1152         * builtins.c (expand_builtin_interclass_mathfn): Also create
1153         a register if the predicate doesn't match.
1154
1155 2010-04-13  Diego Novillo  <dnovillo@google.com>
1156
1157         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
1158         * c-pch.c: Include timevar.h.
1159         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
1160         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
1161         * ggc-common.c: Include timevar.h.
1162         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
1163         * timevar.def (TV_PCH_SAVE): Define.
1164         (TV_PCH_CPP_SAVE): Define.
1165         (TV_PCH_PTR_REALLOC): Define.
1166         (TV_PCH_PTR_SORT): Define.
1167         (TV_PCH_RESTORE): Define.
1168         (TV_PCH_CPP_RESTORE): Define.
1169
1170 2010-04-13  Michael Matz  <matz@suse.de>
1171
1172         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
1173         into MINUS_EXPRs.
1174         (can_reassociate_p): New function.
1175         (break_up_subtract_bb, reassociate_bb): Use it.
1176
1177 2010-04-13  Richard Guenther  <rguenther@suse.de>
1178
1179         PR bootstrap/43737
1180         * builtins.c (c_readstr): Fix assert.
1181
1182 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
1183
1184         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
1185         when generating cltd insn.
1186
1187         (*ashl<mode>3_1): Remove special handling for register operand 2.
1188         (*ashlsi3_1_zext): Ditto.
1189         (*ashlhi3_1): Ditto.
1190         (*ashlhi3_1_lea): Ditto.
1191         (*ashlqi3_1): Ditto.
1192         (*ashlqi3_1_lea): Ditto.
1193         (*<shiftrt_insn><mode>3_1): Ditto.
1194         (*<shiftrt_insn>si3_1_zext): Ditto.
1195         (*<shiftrt_insn>qi3_1_slp): Ditto.
1196         (*<rotate_insn><mode>3_1): Ditto.
1197         (*<rotate_insn>si3_1_zext): Ditto.
1198         (*<rotate_insn>qi3_1_slp): Ditto.
1199
1200 2010-04-13  Richard Guenther  <rguenther@suse.de>
1201
1202         * tree-ssa-structalias.c (callused_id): Remove.
1203         (call_stmt_vars): New.
1204         (get_call_vi): Likewise.
1205         (lookup_call_use_vi): Likewise.
1206         (lookup_call_clobber_vi): Likewise.
1207         (get_call_use_vi): Likewise.
1208         (get_call_clobber_vi): Likewise.
1209         (make_transitive_closure_constraints): Likewise.
1210         (handle_const_call): Adjust to do per-call call-used handling.
1211         (handle_pure_call): Likewise.
1212         (find_what_var_points_to): Remove general callused handling.
1213         (init_base_vars): Likewise.
1214         (init_alias_vars): Initialize call_stmt_vars.
1215         (compute_points_to_sets): Process call-used and call-clobbered
1216         vars for call statements.
1217         (delete_points_to_sets): Free call_stmt_vars.
1218
1219 2010-04-13  Richard Guenther  <rguenther@suse.de>
1220
1221         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1222         Only add RW dependence for dependence distance zero.
1223         Adjust maximal vectorization factor according to dependences.
1224         Move alignment handling ...
1225         (vect_find_same_alignment_drs): ... here.  New function.
1226         (vect_analyze_data_ref_dependences): Adjust.
1227         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
1228         (vect_analyze_data_refs): Adjust minimal vectorization factor
1229         according to data references.
1230         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
1231         dependences before determining the vectorization factor.
1232         Analyze alignment after determining the vectorization factor.
1233         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
1234         dependences before alignment.
1235         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
1236         Adjust prototype.
1237         (vect_analyze_data_refs): Likewise.
1238         (MAX_VECTORIZATION_FACTOR): New define.
1239
1240 2010-04-13  Duncan Sands  <baldrick@free.fr>
1241
1242         * except.h (lang_eh_type_covers): Remove.
1243         * except.c (lang_eh_type_covers): Likewise.
1244
1245 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1246             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1247
1248         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
1249         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
1250         UNITS_PER_LONG where it is ABI relevant.
1251         (s390_return_addr_rtx): Likewise.
1252         (s390_back_chain_rtx): Likewise.
1253         (s390_frame_area): Likewise.
1254         (s390_frame_info): Likewise.
1255         (s390_initial_elimination_offset): Likewise.
1256         (save_gprs): Likewise.
1257         (s390_emit_prologue): Likewise.
1258         (s390_emit_epilogue): Likewise.
1259         (s390_function_arg_advance): Likewise.
1260         (s390_function_arg): Likewise.
1261         (s390_va_start): Likewise.
1262         (s390_gimplify_va_arg): Likewise.
1263         (s390_function_profiler): Likewise.
1264         (s390_optimize_prologue): Likewise.
1265         (s390_rtx_costs): Likewise.
1266         (s390_secondary_reload): Likewise.
1267         (s390_promote_function_mode): Likewise.
1268         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
1269         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
1270         registers available.
1271         (s390_unwind_word_mode): New function.
1272         (s390_function_value): Split 64 bit values into register pair if
1273         used as return value.
1274         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
1275         function call parameters.  Handle parallels.
1276         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
1277         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
1278         (DWARF_CIE_DATA_ALIGNMENT): New macro.
1279         (s390_expand_setmem): Remove unused variable src_addr.
1280         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
1281         deal with 64 bit registers.
1282         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
1283         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
1284         (UNITS_PER_LONG): New macro.
1285         * libjava/include/s390-signal.h: Define extended ucontext
1286         structure containing the upper halfs of the 64 bit registers.
1287
1288 2010-04-13  Simon Baldwin  <simonb@google.com>
1289
1290         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
1291
1292 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1293
1294         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
1295         rvalue on the RHS if the LHS is of a non-renamable type.
1296         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
1297
1298 2010-04-13  Matthias Klose  <doko@ubuntu.com>
1299
1300         * gcc.c (cc1_options): Handle -iplugindir before processing
1301         the cc1 spec. Only add -iplugindir once.
1302         (cpp_unique_options): Add -iplugindir option if -fplugin* options
1303         found.
1304         * common.opt (iplugindir): Remove `Separate' property, initialize.
1305         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
1306         option.
1307         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
1308         (distclean): Remove plugin dir.
1309         * doc/invoke.texi: Document -iplugindir.
1310
1311 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
1312
1313         * doc/plugins.texi (Loading Plugins): Document short
1314         -fplugin=foo option.
1315         (Plugin API): Mention default_plugin_dir_name function.
1316
1317         * gcc.c (find_file_spec_function): Add new declaration.
1318         (static_spec_func): Use it for "find-file".
1319         (find_file_spec_function): Add new function.
1320         (cc1_options): Add -iplugindir option if -fplugin* options found.
1321
1322         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
1323
1324         * plugin.c (add_new_plugin): Updated comment, and handle short
1325         plugin name.
1326         (default_plugin_dir_name): Added new function.
1327
1328         * common.opt (iplugindir): New option to set the plugin directory.
1329
1330 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
1331
1332         * config/i386/i386.md (any_rotate): New code iterator.
1333         (rotate_insn): New code attribute.
1334         (rotate): Ditto.
1335         (SWIM124): New mode iterator.
1336         (<rotate_insn>ti3): New expander.
1337         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
1338         any_rotate code iterator.
1339         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
1340         using any_rotate code iterator and SWIM124 mode iterator.
1341         (ix86_rotlti3): New insn_and_split pattern.
1342         (ix86_rotrti3): Ditto.
1343         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
1344         ix86_rotl{di,ti}3 patterns.
1345         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
1346         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
1347         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
1348         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
1349         code iterator and SWI mode iterator.
1350         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
1351         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
1352         code iterator.
1353         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
1354         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
1355         (bswap rotatert splitter): Add splitter.
1356         (bswap splitter): Macroize splitter using any_rotate code iterator.
1357         Add insn predicate to split only for TARGET_USE_XCHGB or when
1358         optimizing function for size.
1359
1360 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1361
1362         * config/pa/pa.c (emit_move_sequence): Remove use of
1363         deleted variable flag_argument_noalias.
1364
1365 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1366
1367         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
1368         configurations.
1369         Add to unsupported targets list.
1370         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
1371         sparc*-sun-solaris2.[567]* from target lists.
1372         * configure: Regenerate.
1373         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
1374         removal.
1375         Remove Solaris 7 patch references.
1376         (Specific, sparc-sun-solaris2.7): Removed.
1377         (sparc-sun-solaris2*): Update Solaris 7 example.
1378         (sparc64-*-solaris2*): Likewise.
1379
1380 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1381
1382         * config.build (alpha*-dec-osf4*): Remove.
1383         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
1384         of obsolete configurations.
1385         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
1386         support.
1387         * config/alpha/t-osf4: Renamed to ...
1388         * config/alpha/t-osf5: ... this.
1389         * config/alpha/osf.h: Renamed to ...
1390         * config/alpha/osf5.h: ... this.
1391         Merged old osf5.h contents.
1392         Update comments.
1393         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
1394         (EXTRA_SPECS): Removed.
1395         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
1396         reflect removal of Tru64 UNIX V4.0/V5.0 support.
1397         Document that.
1398
1399 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1400
1401         * doc/contrib.texi (Contributors, Rainer Orth): Update.
1402
1403 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
1404
1405         PR/43702
1406         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
1407         __thiscall convention.
1408
1409 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1410
1411         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
1412         orig_base.
1413         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
1414
1415 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1416
1417         * function.c (assign_parms_initialize_all): Add unused attribute
1418         to fntype.
1419
1420 2010-04-12  Richard Guenther  <rguenther@suse.de>
1421
1422         * gsstruct.def (GSS_CALL): New.
1423         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
1424         * gimple.h: Include tree-ssa-alias.h.
1425         (struct gimple_statement_call): New.
1426         (union gimple_statement_struct_d): Add gimple_call member.
1427         (gimple_call_reset_alias_info): Declare.
1428         (gimple_call_use_set): New function.
1429         (gimple_call_clobber_set): Likewise.
1430         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
1431         * gimple.c (gimple_call_reset_alias_info): New function.
1432         (gimple_build_call_1): Call it.
1433         * lto-streamer-in.c (input_gimple_stmt): Likewise.
1434         * tree-inline.c (remap_gimple_stmt): Likewise.
1435         (expand_call_inline): Remove callused handling.
1436         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
1437         * tree-dfa.c (dump_variable): Likewise.
1438         * tree-parloops.c (parallelize_loops): Likewise.
1439         * tree-ssa.c (init_tree_ssa): Likewise.
1440         (delete_tree_ssa): Likewise.
1441         * tree-flow-inline.h (is_call_used): Remove.
1442         * tree-flow.h (struct gimple_df): Remove callused member.
1443         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
1444         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
1445         (ref_maybe_used_by_call_p_1): Simplify.
1446         (call_may_clobber_ref_p_1): Likewise.
1447         * tree-ssa-structalias.c (compute_points_to_sets): Set
1448         the call stmt used and clobbered sets.
1449         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
1450         (find_tail_calls): Verify the tail call.
1451
1452 2010-04-12  Richard Guenther  <rguenther@suse.de>
1453
1454         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
1455         single-iteration always-inline inlining.
1456         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
1457         (cgraph_decide_inlining): Do not handle always-inline specially.
1458         (try_inline): Remove always-inline cycle detection special case.
1459         Do not recurse on always-inlines.
1460         (cgraph_early_inlining): Do not iterate if not optimizing.
1461         (cgraph_gate_early_inlining): remove.
1462         (pass_early_inline): Run unconditionally.
1463         (gate_cgraph_decide_inlining): New function.
1464         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
1465         not inlining or optimizing.
1466         (cgraph_decide_inlining_of_small_functions): Also consider
1467         always-inline functions.
1468         (cgraph_default_inline_p): Return true for nodes which should
1469         disregard inline limits.
1470         (estimate_function_body_sizes): Assume zero size and time for
1471         nodes which are marked as disregarding inline limits.
1472         (cgraph_decide_recursive_inlining): Do not perform recursive
1473         inlining on always-inline nodes.
1474
1475 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
1476
1477         PR bootstrap/43699
1478         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
1479         for exprs satisfying handled_component_p.
1480
1481 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
1482
1483         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
1484         non-constant aggregate elements.
1485
1486         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
1487         is a real initialization.
1488
1489 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
1490
1491         PR c/36774
1492         * c-decl.c (start_function): Move forward check for nested function.
1493
1494 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
1495
1496         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
1497         * config/sh/sh.c: Include reload.h.
1498         (sh_legitimize_reload_address): New.
1499         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
1500         sh_legitimize_reload_address.
1501
1502 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1503
1504         * config/sh/sh.md (*movqi_pop): New insn pattern.
1505         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
1506
1507 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1508
1509         * config/i386/i386.md (any_shiftrt): New code iterator.
1510         (shiftrt_insn): New code attribute.
1511         (shiftrt): Ditto.
1512         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
1513         using any_shiftrt code iterator.
1514         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
1515         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
1516         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
1517         pattern from corresponding peephole2 patterns.
1518         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
1519         using any_shiftrt code iterator.
1520         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
1521         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
1522         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
1523         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
1524         *{ashr,lshr}<mode>3_cmp_zext.
1525         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
1526
1527 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1528
1529         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
1530         scratch register.
1531         (*lshr<mode>3_cconly): Ditto.
1532
1533 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1534
1535         * config/i386/i386.md (lshr<mode>3): Macroize expander from
1536         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1537         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1538         pattern from *lshr{di,ti}3_1 and corresponding splitters using
1539         DWI mode iterator.
1540         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1541         from corresponding peephole2 patterns.
1542         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
1543         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
1544         and *lshrdi3_1_rex64 using SWI mode iterator.
1545         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
1546         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
1547         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
1548         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
1549         and *lshrdi3_cmp_rex64 using SWI mode iterator.
1550         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
1551         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
1552         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
1553         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
1554         SWI mode iterator.
1555
1556 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
1557
1558         * config/i386/i386.md (ashr<mode>3): Macroize expander from
1559         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1560         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1561         pattern from *ashr{di,ti}3_1 and corresponding splitters using
1562         DWI mode iterator.
1563         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1564         from corresponding peephole2 patterns.
1565         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
1566         (ashrsi3_cvt): Rename from ashrsi3_31.
1567         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
1568         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
1569         and x86_64_shift_adj_3 using SWI48 mode iterator.
1570         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
1571         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
1572         and *ashrdi3_1_rex64 using SWI mode iterator.
1573         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
1574         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
1575         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
1576         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
1577         and *ashrdi3_cmp_rex64 using SWI mode iterator.
1578         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
1579         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
1580         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
1581         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
1582         SWI mode iterator.
1583         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
1584         * config/i386/i386.c (ix86_split_ashr): Update for renamed
1585         x86_shift<mode>_adj_3 expanders.
1586
1587 2010-04-10  Wei Guozhi  <carrot@google.com>
1588
1589         PR target/42601
1590         * config/arm/arm.c (arm_pic_static_addr): New function.
1591         (legitimize_pic_address): Call arm_pic_static_addr when it detects
1592         a static symbol.
1593         (arm_output_addr_const_extra): Output expression for new pattern.
1594         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
1595
1596 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
1597
1598         * ira-costs.c (record_reg_classes): Ignore alternatives that are
1599         not enabled.
1600
1601         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
1602         * web.c: Include "insn-config.h" and "recog.h".
1603         (union_match_dups): New function.
1604         (web_main): Call it.
1605         (union_defs): Don't try to recognize match_dups.
1606
1607         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
1608         if doing so would replace the entire pattern.
1609
1610 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
1611
1612         PR target/43707
1613         PR target/43709
1614         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
1615         and splitter pattern.  Change splitter operand 1 predicate to
1616         nonmemory_operand.
1617
1618 2010-04-09  Martin Jambor  <mjambor@suse.cz>
1619
1620         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
1621         lattices are addresses of CONST_DECLs with the same initial value.
1622         (ipcp_print_all_lattices): Print values of CONST_DECLs.
1623         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
1624
1625 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
1626             Bernd Schmidt  <bernds@codesourcery.com>
1627
1628         * loop-invariant.c (replace_uses): New static function.
1629         (move_invariant_reg): Use it to ensure we can replace the uses.
1630
1631 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
1632
1633         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
1634         function template.
1635         (picochip_override_options): Enable section anchors only above -O1.
1636         (picochip_reorg): Fixed a couple of build warnings.
1637
1638 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1639
1640         * configure.ac (plugin -rdynamic test): Log result.
1641         * configure: Regenerate.
1642         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
1643         (RDYNAMIC_SPEC): Define.
1644         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
1645
1646 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1647
1648         * configure.ac: Determine Sun ld version numbers.
1649         (comdat_group): Restrict GNU ld version checks to gld.
1650         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
1651         (enable_comdat): Support --enable-comdat.
1652         * configure: Regenerate.
1653         * doc/install.texi (Configuration): Document --enable-comdat.
1654
1655 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1656
1657         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
1658         * config/sol2-gld.h: ... here.
1659         * config.gcc (sparc*-*-solaris2*): Reflect this.
1660         (i[34567]86-*-solaris2*): Use it.
1661
1662 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
1663
1664         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
1665         setup_clocks_p.
1666         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
1667
1668 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1669
1670         PR 42965
1671         * diagnostic.c (diagnostic_initialize): Initialize
1672         some_warnings_are_errors.
1673         (diagnostic_finish): New.
1674         (diagnostic_action_after_output): Call it before exiting.
1675         (diagnostic_report_diagnostic): Do not print message here. Set
1676         some_warnings_are_errors.
1677         * diagnostic.h (diagnostic_context): Delete
1678         issue_warnings_are_errors_message. Add some_warnings_are_errors.
1679         (diagnostic_finish): Declare.
1680         * toplev.c (toplev_main): Call it before exit.
1681
1682 2010-04-09  Jason Merrill  <jason@redhat.com>
1683
1684         PR c++/42623
1685         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
1686         for incomplete type.
1687
1688         PR c++/41788
1689         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
1690         based on a warning flag.
1691
1692 2010-04-09  Richard Guenther  <rguenther@suse.de>
1693
1694         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
1695
1696 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
1697
1698         PR bootstrap/43684
1699         * varasm.c (default_assemble_visibility): Wrap vars that are
1700         set, but unused, by targets without GAS.
1701         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
1702         Remove set, but unused, vars.
1703         (rs6000_legitimize_tls_address): Likewise.
1704         (altivec_expand_dst_builtin): Likewise.
1705         * config/darwin.c (machopic_classify_symbol): Likewise.
1706         (machopic_indirection_name): Likewise.
1707
1708 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
1709
1710         * config/i386/i386.md (DWI): New mode iterator.
1711         (S): New mode attribute.
1712         (shift_operand): Ditto.
1713         (shift_immediate_operand): Ditto.
1714         (ashl_input_operand): Ditto.
1715         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
1716         using SDWIM mode iterator.
1717         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1718         pattern from *ashl{di,ti}3_1 and corresponding splitters using
1719         DWI mode iterator.
1720         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
1721         from corresponding peephole2 patterns.
1722         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
1723         and x86_64_shift_adj_1 using SWI48 mode iterator.
1724         (x86_shift<mode>_adj_2): Ditto.
1725         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
1726         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
1727         using SWI48 mode iterator.
1728         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
1729         *ashldi3_cmp_rex64 using SWI mode iterator.
1730         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
1731         *ashldi3_cconly_rex64 using SWI mode iterator.
1732         * config/i386/i386.c (ix86_split_ashl): Update for renamed
1733         x86_shift<mode>_adj_{1,2}.
1734         (ix86_split_ashr): Ditto.
1735         (ix86_split_lshr): Ditto.
1736
1737 2010-04-09  Richard Guenther  <rguenther@suse.de>
1738
1739         * target.h (builtin_conversion): Pass in input and output types.
1740         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
1741         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
1742         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
1743         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
1744
1745         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
1746         Handle AVX modes.
1747         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
1748
1749 2010-04-09  Richard Guenther  <rguenther@suse.de>
1750
1751         PR target/43152
1752         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
1753
1754 2010-04-09  Richard Guenther  <rguenther@suse.de>
1755
1756         * tree-vectorizer.h (struct _stmt_vec_info): Document
1757         that vectype is the type of the LHS.
1758         (supportable_widening_operation, supportable_narrowing_operation):
1759         Get both input and output vector types as arguments.
1760         (vect_is_simple_use_1): Declare.
1761         (get_same_sized_vectype): Likewise.
1762         * tree-vect-loop.c (vect_determine_vectorization_factor):
1763         Set STMT_VINFO_VECTYPE to the vector type of the def.
1764         (vectorizable_reduction): Adjust.
1765         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
1766         Adjust.  Specify the output vector type.
1767         (vect_pattern_recog_1): Adjust.
1768         * tree-vect-stmts.c (get_same_sized_vectype): New function.
1769         (vectorizable_call): Adjust.
1770         (vectorizable_conversion): Likewise.
1771         (vectorizable_operation): Likewise.
1772         (vectorizable_type_demotion): Likewise.
1773         (vectorizable_type_promotion): Likewise.
1774         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
1775         the def.
1776         (vect_is_simple_use_1): New function.
1777         (supportable_widening_operation): Get both input and output
1778         vector types.
1779         (supportable_narrowing_operation): Likewise.
1780         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
1781
1782 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
1783
1784         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
1785         __thiscall and _thiscall as predefined macros.
1786         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
1787         thiscall attribute handling.
1788         (ix86_comp_type_attributes): Likewise.
1789         (ix86_function_regparm): Likewise.
1790         (ix86_return_pops_args): Likewise.
1791         (init_cumulative_args): Likewise.
1792         (find_drap_reg): Likewise.
1793         (ix86_static_chain): Likewise.
1794         (x86_this_parameter): Likewise.
1795         (x86_output_mi_thunk): Likewise.
1796         (ix86_attribute_table): Add description for thiscall attribute.
1797         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
1798         * doc/extend.texi: Add documentation for thiscall.
1799
1800 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1801
1802         PR c++/28584
1803         * c.opt (Wint-to-pointer-cast): Available in C++.
1804         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
1805
1806 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
1807
1808         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
1809         * calls.c (expand_call): Pass the function type to aggregate_value_p.
1810         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
1811         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
1812         function type instead.  Reorder and simplify checks.
1813
1814         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
1815
1816 2010-04-08  Jing Yu  <jingyu@google.com>
1817             Zdenek Dvorak  <ook@ucw.cz>
1818
1819         PR tree-optimization/42720
1820         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
1821         loop unswitch conditions here from ...
1822         (tree_unswitch_single_loop): ... here.
1823
1824 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1825
1826         * tree-if-conv.c: Fix comments and simplify logic.
1827
1828 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1829
1830         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
1831         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
1832         (main_tree_if_conversion): Update call to tree_if_conversion.
1833
1834 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1835
1836         PR 42485
1837         * doc/invoke.texi (-b,-V): Delete.
1838         * doc/tm.texi: Do not mention -b.
1839         * gcc.c (display_help): Delete -b and -V.
1840         (process_command): Delete -b and -V.
1841         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
1842
1843 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
1844             Wolfgang Gellerich  <gellerich@de.ibm.com>
1845
1846         Implement target hook for loop unrolling
1847         * target.h (loop_unroll_adjust): Add a new target hook function.
1848         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
1849         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
1850         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
1851         (s390_loop_unroll_adjust): Implement the new target hook for s390.
1852         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
1853         target hook.
1854         (decide_unroll_stupid): Likewise.
1855
1856 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1857
1858         PR target/43643
1859         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
1860
1861 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1862
1863         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
1864         (Specific, *-*-solaris2*): Likewise.
1865         Don't prefer Sun as over GNU as.
1866
1867 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
1868
1869         * config/s390/s390.c (override_options): Adjust the z10
1870           defaults for max-unroll-times, max-completely-peeled-insns
1871           and max-completely-peel-times.
1872
1873 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1874
1875         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
1876         instructions for z10.
1877         (s390_expand_setmem): Likewise.
1878         (s390_expand_cmpmem): Likewise.
1879
1880 2010-04-08  Richard Guenther  <rguenther@suse.de>
1881
1882         PR tree-optimization/43679
1883         * tree-ssa-pre.c (eliminate): Only propagate copies.
1884
1885 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
1886
1887         PR bootstrap/43681
1888         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
1889         set but not used variable warning.
1890
1891 2010-04-08  Wei Guozhi  <carrot@google.com>
1892
1893         PR target/41653
1894         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
1895         (arm_size_rtx_costs): Call the new function when optimized for size.
1896
1897 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
1898
1899         PR debug/43670
1900         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
1901         op0 is not a MEM, just return NULL instead of assertion
1902         failure.
1903         (discover_nonconstant_array_refs): Don't walk debug stmts.
1904
1905 2010-04-08  Doug Kwan  <dougkwan@google.com>
1906
1907         * configure.ac: Recognize gold and do not use its version number
1908         to test ld features.
1909         * configure: Regenerate.
1910
1911 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
1912
1913         PR middle-end/40815
1914         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
1915         (negate_value): Move code to push elements to broken_up_substracts ...
1916         (eliminate_plus_minus_pair): ... here.  Push operands that have no
1917         negative pair to plus_negates.
1918         (repropagate_negates, init_reassoc, fini_reassoc): Update.
1919
1920 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1921
1922         * doc/install.texi (Configuration): Move description of
1923         --enable-lto, --with-libelf*, --enable-gold from Java section to
1924         general section.
1925
1926         * doc/generic.texi (Working with declarations)
1927         (Function Properties, C and C++ Trees): Fix typos.
1928         * doc/sourcebuild.texi (Top Level): Likewise.
1929
1930 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
1931
1932         PR c/18624
1933         * tree.h (DECL_READ_P): Define.
1934         (struct tree_decl_common): Add decl_read_flag.
1935         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
1936         a set but not used warning.
1937         (merge_decls): Merge DECL_READ_P flag.
1938         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
1939         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
1940         * c-common.c (handle_used_attribute, handle_unused_attribute):
1941         Likewise.
1942         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
1943         New prototypes.
1944         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
1945         New functions.
1946         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
1947         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
1948         c_parser_binary_expression, c_parser_cast_expression,
1949         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
1950         Call default_function_array_read_conversion instead of
1951         default_function_array_conversion where needed.
1952         (c_parser_unary_expression, c_parser_conditional_expression,
1953         c_parser_postfix_expression_after_primary, c_parser_initelt):
1954         Likewise.  Call mark_exp_read where needed.
1955         (c_parser_statement_after_labels, c_parser_asm_operands,
1956         c_parser_typeof_specifier, c_parser_sizeof_expression,
1957         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
1958         where needed.
1959         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
1960         New.
1961         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
1962         (warn_unused_but_set_parameter): Default to warn_unused
1963         && extra_warnings.
1964         * doc/invoke.texi: Document -Wunused-but-set-variable and
1965         -Wunused-but-set-parameter.
1966
1967         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
1968         used count variable.
1969         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
1970         when operandN variables aren't used in the body of the expander
1971         or splitter.
1972         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
1973         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
1974         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
1975         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
1976         FOR_EACH_IMM_USE_ON_STMT): Likewise.
1977         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
1978         * tree.c (PROCESS_ARG): Likewise.
1979
1980 2010-04-07  Simon Baldwin  <simonb@google.com>
1981
1982         * diagnostic.h (diagnostic_override_option_index): New macro to
1983         set a diagnostic's option_index.
1984         * c-tree.h (c_cpp_error): Add warning reason argument.
1985         * opts.c (_warning_as_error_callback): New.
1986         (register_warning_as_error_callback): Store callback for
1987         warnings enabled via enable_warning_as_error.
1988         (enable_warning_as_error): Call callback, minor code tidy.
1989         * opts.h (register_warning_as_error_callback): Declare.
1990         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
1991         response to -Werror=.
1992         (c_common_init_options): Register warning_as_error_callback in opts.c.
1993         * common.opt: Add -Wno-cpp option.
1994         * c-common.c (struct reason_option_codes_t): Map cpp warning
1995         reason codes to gcc option indexes.
1996         * (c_option_controlling_cpp_error): New function, lookup the gcc
1997         option index for a cpp warning reason code.
1998         * (c_cpp_error): Add warning reason argument, call
1999         c_option_controlling_cpp_error for diagnostic_override_option_index.
2000         * doc/invoke.texi: Document -Wno-cpp.
2001
2002 2010-04-07  Richard Guenther  <rguenther@suse.de>
2003
2004         * ipa-reference.c (mark_load): Use get_base_address.
2005         (mark_store): Likewise.
2006
2007         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2008         inserting GIMPLE_NOPs into the IL.
2009         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2010         Explicitly strip handled components and indirect references.
2011
2012         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2013         folding address expressions.
2014         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2015         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2016         operand_equal_p to compare decls.
2017         (ptr_deref_may_alias_decl_p): Likewise.
2018         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2019         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2020         Handle reversed comparison ops.
2021         * tree-sra.c (asm_visit_addr): Use get_base_address.
2022         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2023         * ipa-reference.c (mark_address): Use get_base_address.
2024
2025 2010-04-07  Richard Guenther  <rguenther@suse.de>
2026
2027         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2028         Propagate constants everywhere.
2029
2030 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2031
2032         PR debug/43516
2033         * tree.c (MAX_INT_CACHED_PREC): Define.
2034         (nonstandard_integer_type_cache): New array.
2035         (build_nonstandard_integer_type): Cache results for precision
2036         <= MAX_INT_CACHED_PREC.
2037
2038 2010-04-07  Richard Guenther  <rguenther@suse.de>
2039
2040         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2041         -fargument-noalias-global, -fargument-noalias-anything): Remove.
2042         * common.opt: Likewise.
2043         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2044         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2045         (nonoverlapping_memrefs_p): Likewise.
2046         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2047         * opts.c (common_handle_option): Handle OPT_fargument_alias,
2048         OPT_fargument_noalias, OPT_fargument_noalias_anything and
2049         OPT_fargument_noalias_global for backward compatibility.
2050
2051 2010-04-07  Richard Guenther  <rguenther@suse.de>
2052
2053         PR tree-optimization/43270
2054         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2055         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2056         * tree-ssa-pre.c (phi_translate_1): Adjust.
2057         (fully_constant_expression): Split out vn_reference handling to ...
2058         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2059         Fold reads from constant strings.
2060         (vn_reference_lookup): Handle fully constant references.
2061         (vn_reference_lookup_pieces): Likewise.
2062         * Makefile.in (expmed.o-warn): Add -Wno-error.
2063
2064 2010-04-07  Martin Jambor  <mjambor@suse.cz>
2065
2066         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2067
2068 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
2069
2070         PR driver/41594
2071         * gcc.c: Add -static-libstdc++ to list of recognized options.
2072
2073 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2074
2075         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2076
2077 2010-04-07  Richard Guenther  <rguenther@suse.de>
2078
2079         PR middle-end/42617
2080         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2081         bases build simple mem attributes to retain points-to information.
2082
2083 2010-04-07  Richard Guenther  <rguenther@suse.de>
2084
2085         PR middle-end/42617
2086         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2087         preserve points-to related information.
2088
2089 2010-04-07  Richard Guenther  <rguenther@suse.de>
2090
2091         PR middle-end/42617
2092         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2093         discard plain indirect references.
2094         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2095         * tree.c (tree_nop_conversion): Likewise.
2096
2097 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
2098
2099         PR debug/43628
2100         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2101
2102 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
2103
2104         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2105         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2106
2107 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2108
2109         * tree-if-conv.c: Fix indentation and comments.
2110
2111 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2112
2113         * tree-if-conv.c: Sort static functions in topological order.
2114
2115 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2116
2117         * tree-if-conv.c: Fix indentation and comments.
2118
2119 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2120
2121         PR middle-end/43519
2122         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2123         lang_hooks.types.type_for_size instead of
2124         build_nonstandard_integer_type.
2125         When converting an unsigned type to signed, double its precision.
2126         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2127         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
2128         (graphite_create_new_loop_guard): When ub + 1 wraps around,
2129         use lb <= ub.
2130
2131 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2132
2133         PR middle-end/43519
2134         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
2135         POINTER_PLUS_EXPR for pointer types.
2136
2137 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2138
2139         PR middle-end/43519
2140         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
2141         * graphite-clast-to-gimple.c: Include langhooks.h.
2142         (max_signed_precision_type): New.
2143         (max_precision_type): Takes two types as arguments.
2144         (precision_for_value): New.
2145         (precision_for_interval): New.
2146         (gcc_type_for_interval): New.
2147         (gcc_type_for_value): New.
2148         (gcc_type_for_clast_term): New.
2149         (gcc_type_for_clast_red): New.
2150         (gcc_type_for_clast_bin): New.
2151         (gcc_type_for_clast_expr): Split up into several functions.
2152         (gcc_type_for_clast_eq): Rewritten.
2153         (compute_bounds_for_level): New.
2154         (compute_type_for_level_1): New.
2155         (compute_type_for_level): New.
2156         (gcc_type_for_cloog_iv): Removed.
2157         (gcc_type_for_iv_of_clast_loop): Rewritten.
2158         (graphite_create_new_loop): Compute the lower and upper bound types
2159         with gcc_type_for_clast_expr.
2160         (graphite_create_new_loop_guard): Same.
2161         (find_cloog_iv_in_expr): Removed.
2162         (compute_cloog_iv_types_1): Removed.
2163         (compute_cloog_iv_types): Removed.
2164         (gloog): Do not call compute_cloog_iv_types.
2165         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
2166         GBB_CLOOG_IV_TYPES.
2167         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
2168         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
2169         (GBB_CLOOG_IV_TYPES): Removed.
2170
2171 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2172
2173         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
2174         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
2175         (detect_commutative_reduction): Same.
2176
2177 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2178
2179         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
2180         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
2181         argument.
2182         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
2183         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
2184         (rewrite_commutative_reductions_out_of_ssa): Same.
2185         * passes.c (execute_function_todo): Call verify_ssa for every pass
2186         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
2187         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
2188         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
2189         with an extra argument.
2190         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
2191         verify_ssa only when the extra argument is true.
2192         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
2193         with an extra argument.
2194         (tree_transform_and_unroll_loop): Same.
2195
2196 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2197
2198         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
2199         for all the passes of the LNO having LOOP_CLOSED_SSA.
2200         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
2201         * tree-loop-distribution.c (pass_loop_distribution): Same.
2202         * tree-pass.h (TODO_verify_loops): Removed.
2203         * tree-ssa-loop.c (pass_tree_loop_init): Same.
2204         (pass_lim): Same.
2205         (pass_tree_unswitch): Same.
2206         (pass_predcom): Same.
2207         (pass_vectorize): Same.
2208         (pass_linear_transform): Same.
2209         (pass_graphite_transforms): Same.
2210         (pass_iv_canon): Same.
2211         (pass_complete_unroll): Same.
2212         (pass_complete_unrolli): Same.
2213         (pass_parallelize_loops): Same.
2214         (pass_loop_prefetch): Same.
2215         (pass_iv_optimize): Same.
2216
2217 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
2218
2219         PR middle-end/32824
2220         * passes.c (init_optimization_passes): Move pass_lim before
2221         pass_copy_prop and pass_dce_loop.
2222
2223 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
2224
2225         PR target/43667
2226         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
2227         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
2228         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
2229         MULTI_* defines for 4 argument vpermil2p* builtins.
2230
2231 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
2232
2233         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
2234         * config/i386/i386.c (x86_maybe_negate_const_int): New.
2235         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
2236         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
2237         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
2238         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
2239         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
2240         Use x86_maybe_negate_const_int to output insn mnemonic.
2241         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
2242         check from instruction predicate.  Update comments.
2243         * config/i386/sync.md (sync_add<mode>): Use
2244         x86_maybe_negate_const_int to output insn mnemonic.
2245
2246 2010-04-06  Jan Hubicka  <jh@suse.cz>
2247
2248         PR tree-optimization/42906
2249         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
2250         IGNORE_SELF argument.  Set visited_control_parents for fully
2251         processed BBs.
2252         (find_obviously_necessary_stmts): Update call of
2253         mark_control_dependent_edges_necessary.
2254         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
2255
2256 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
2257
2258         * config/i386/i386.md: Remove comment about 'e' and 'E'
2259         operand modifier.
2260
2261 2010-04-06  Richard Guenther  <rguenther@suse.de>
2262
2263         PR tree-optimization/43627
2264         * tree-vrp.c (extract_range_from_unary_expr): Widenings
2265         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
2266         not varying.
2267
2268 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
2269
2270         * BASE-VER: Change to 4.6.0.
2271
2272         PR target/43638
2273         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
2274         handling.
2275
2276 2010-04-06  Richard Guenther  <rguenther@suse.de>
2277
2278         PR middle-end/43661
2279         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
2280
2281 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2282
2283         * doc/invoke.texi (Optimize Options): Document that LTO
2284         won't remove object access purely due to incompatible
2285         declarations.
2286
2287 2010-04-04  Matthias Klose  <doko@ubuntu.com>
2288
2289         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
2290         Initialize variable.
2291
2292 2010-04-03  Richard Guenther  <rguenther@suse.de>
2293
2294         PR middle-end/42509
2295         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
2296         require a non-NULL MEM_OFFSET.
2297
2298 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
2299
2300         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
2301         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
2302         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
2303         config/alpha/predicates.md, config/arm/arm.md,
2304         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
2305         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
2306         config/darwin9.h, config/darwin.c, config/darwin.h,
2307         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
2308         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
2309         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
2310         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
2311         config/mips/mips.md, config/mn10300/mn10300.c,
2312         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
2313         config/rs6000/aix.h, config/rs6000/dfp.md,
2314         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
2315         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
2316         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
2317         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
2318         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
2319         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
2320         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
2321         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
2322         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
2323         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
2324         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
2325         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
2326         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
2327         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
2328         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
2329         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
2330         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
2331         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
2332         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
2333         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
2334         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
2335         opt-functions.awk, opth-gen.awk, params.def, passes.c,
2336         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
2337         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
2338         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
2339         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
2340         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
2341         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
2342         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
2343         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
2344         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
2345         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
2346         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
2347         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
2348         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
2349         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
2350
2351 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2352
2353         PR other/43620
2354         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
2355         * aclocal.m4: Regenerate.
2356
2357 2010-04-02  Richard Guenther  <rguenther@suse.de>
2358
2359         PR tree-optimization/43629
2360         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
2361         if we have seen a constant value.
2362
2363 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
2364
2365         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
2366
2367 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
2368
2369         PR target/43469
2370         * arm.c (legitimize_tls_address): Adjust call to
2371         gen_tls_load_dot_plus_four.
2372         (arm_note_pic_base): New function.
2373         (arm_cannot_copy_insn_p): Use it.
2374         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
2375         constraint.
2376
2377 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2378
2379         PR bootstrap/43531
2380
2381         Revert:
2382         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2383
2384         * Makefile.in ($(out_object_file)): Depend on
2385         gt-$(basename $(notdir $(out_file))).h.
2386
2387 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
2388
2389         * config.gcc (lm32-*-rtems*): Add t-lm32.
2390
2391 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
2392
2393         * config.gcc: Add lm32-*-rtems*.
2394         * config/lm32/rtems.h: New file.
2395
2396 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
2397
2398         PR target/42609
2399         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
2400
2401 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
2402
2403         * dwarf2out.c (output_compilation_unit_header): For
2404         -gdwarf-4 use version 4 instead of version 3.
2405         (output_line_info): For version 4 and above emit additional
2406         maximum ops per insn header field.
2407         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
2408
2409         * dwarf2out.c (is_c_family, is_java): Remove.
2410         (lower_bound_default): New function.
2411         (add_bound_info, gen_descr_array_type_die): Use it.
2412
2413 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
2414
2415         PR debug/43325
2416         * dwarf2out.c (gen_variable_die): Allow debug info for variable
2417         re-declaration when it happens in a function.
2418
2419 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
2420
2421         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
2422         (cgraph_remove_function_insertion_hook): Same.
2423         (cgraph_call_function_insertion_hooks): Same.
2424
2425 2010-04-01  Richard Guenther  <rguenther@suse.de>
2426
2427         PR middle-end/43614
2428         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
2429         and TREE_THIS_VOLATILE.
2430         (copy_ref_info): Likewise.
2431         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
2432         * tree.c (build6_stat): Ignore side-effects of all but arg5
2433         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
2434         TARGET_MEM_REF.
2435
2436 2010-04-01  Richard Guenther  <rguenther@suse.de>
2437
2438         PR tree-optimization/43607
2439         * ipa-type-escape.c (check_call): Do not access non-existing
2440         arguments.
2441
2442 2010-04-01  Richard Guenther  <rguenther@suse.de>
2443
2444         PR middle-end/43602
2445         Revert
2446         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
2447                     Jack Howarth <howarth@bromo.med.uc.edu>
2448
2449         * tree-profile.c (tree_init_ic_make_global_vars): Make static
2450         variables TLS.
2451
2452 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2453
2454         * doc/install.texi (Prerequisites): Document libelf usability on
2455         IRIX 5/6 and Solaris 2.
2456         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
2457         Update GNU as, GNU ld requirements.
2458         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
2459         Document Sun Studio compiler download.
2460         Update and simplify as, ld recommendations.
2461         (Specific, *-*-solaris2.7): Note obsoletion, removal.
2462
2463 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2464
2465         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
2466         with_tune_32 to pentium4.
2467
2468 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
2469
2470         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
2471
2472 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2473
2474         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
2475         obsoletion, removal.
2476         Update IDO URL.
2477         Document GNU as requirement.
2478         Update configure requirements.
2479         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
2480         Recomment IRIX 6.5.18+.
2481         Document IDF/IDL requirement.
2482         Document GNU as requirement.
2483         Document GNU ld bootstrap failure.
2484         Remove freeware.sgi.com reference.
2485
2486 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2487
2488         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
2489         UNIX V4.0, V5.0 obsoletion, removal.
2490         Remove --with-gc=simple reference.
2491         Update VM requirements during bootstrap.
2492         Remove -oldas bootstrap description.
2493         Update binutils reference.
2494         Remove comparison failure note.
2495
2496 2010-03-31  Richard Guenther  <rguenther@suse.de>
2497             Zdenek Dvorak  <ook@ucw.cz>
2498             Sebastian Pop  <sebastian.pop@amd.com>
2499
2500         PR middle-end/43464
2501         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
2502         with multiple arguments.
2503         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
2504
2505 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2506
2507         * graphite-dependences.c (print_pddr): Call print_pdr with an
2508         extra argument.
2509         * graphite-poly.c (debug_pdr): Add an extra argument for the
2510         verbosity level.
2511         (print_pdr): Same.
2512         (print_pbb_domain): Same.
2513         (print_pbb): Same.
2514         (print_scop_context): Same.
2515         (print_scop): Same.
2516         (print_cloog): Same.
2517         (debug_pbb_domain): Same.
2518         (debug_pbb): Same.
2519         (print_pdrs): Same.
2520         (debug_pdrs): Same.
2521         (debug_scop_context): Same.
2522         (debug_scop): Same.
2523         (debug_cloog): Same.
2524         (print_scop_params): Same.
2525         (debug_scop_params): Same.
2526         (print_iteration_domain): Same.
2527         (print_iteration_domains): Same.
2528         (debug_iteration_domain): Same.
2529         (debug_iteration_domains): Same.
2530         (print_scattering_function): Same.
2531         (print_scattering_functions): Same.
2532         (debug_scattering_function): Same.
2533         (debug_scattering_functions): Same.
2534         * graphite-poly.h (debug_pdr): Update declaration.
2535         (print_pdr): Same.
2536         (print_pbb_domain): Same.
2537         (print_pbb): Same.
2538         (print_scop_context): Same.
2539         (print_scop): Same.
2540         (print_cloog): Same.
2541         (debug_pbb_domain): Same.
2542         (debug_pbb): Same.
2543         (print_pdrs): Same.
2544         (debug_pdrs): Same.
2545         (debug_scop_context): Same.
2546         (debug_scop): Same.
2547         (debug_cloog): Same.
2548         (print_scop_params): Same.
2549         (debug_scop_params): Same.
2550         (print_iteration_domain): Same.
2551         (print_iteration_domains): Same.
2552         (debug_iteration_domain): Same.
2553         (debug_iteration_domains): Same.
2554         (print_scattering_function): Same.
2555         (print_scattering_functions): Same.
2556         (debug_scattering_function): Same.
2557         (debug_scattering_functions): Same.
2558
2559 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2560
2561         * graphite-poly.c (print_scattering_function_1): New.
2562         (print_scattering_function): Call it.
2563         (print_scop_params): Remove spaces at the end of lines.
2564         (print_cloog): New.
2565         (debug_cloog): New.
2566         * graphite-poly.h (print_cloog): Declared.
2567         (debug_cloog): Declared.
2568
2569 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2570
2571         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
2572         in loop->header.
2573         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
2574         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
2575         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
2576         to switch between adding the IV bump in loop->latch or in loop->header.
2577
2578 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2579
2580         * graphite-poly.c (print_scattering_function): Pretty print following
2581         the scoplib format.
2582         (print_pdr): Same.
2583         (print_pbb_domain): Same.
2584         (dump_gbb_cases): Same.
2585         (dump_gbb_conditions): Same.
2586         (print_pdrs): Same.
2587         (print_pbb): Same.
2588         (print_scop_params): Same.
2589         (print_scop_context): Same.
2590         (print_scop): Same.
2591         (print_pbb_body): New.
2592         (lst_indent_to): New.
2593         (print_lst): Start new lines with a #.
2594         * graphite-poly.h (pbb_bb): New.
2595         (pbb_index): Use pbb_bb.
2596         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
2597         disjuncts.
2598         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
2599
2600 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
2601
2602         * dwarf2out.c (size_of_die): For -gdwarf-4 use
2603         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
2604         and 0 instead of 1 for dw_val_class_flag.
2605         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
2606         dw_val_class_range_list, dw_val_class_loc_list,
2607         dw_val_class_lineptr and dw_val_class_macptr, use
2608         DW_FORM_flag_present for dw_val_class_flag and
2609         DW_FORM_exprloc for dw_val_class_loc.
2610         (output_die): For -gdwarf-4 print dw_val_class_loc
2611         size as uleb128 instead of 1 or 2 bytes and don't print
2612         anything for dw_val_class_flag.
2613
2614         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
2615         instead of cselib_lookup following by tweaking locs->setting_insn.
2616
2617         PR bootstrap/43596
2618         * cselib.c (cselib_process_insn): Clear cselib_current_insn
2619         even before returning from label, setjmp call or volatile asm
2620         handling.
2621
2622 2010-03-31  Richard Guenther  <rguenther@suse.de>
2623
2624         PR middle-end/43600
2625         * cgraphunit.c (cgraph_output_in_order): Do not allocate
2626         temporary data on stack.
2627
2628 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2629
2630         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
2631         (PUSHSECTION_ASM_OP): Remove.
2632         (POPSECTION_ASM_OP): Remove.
2633         (PUSHSECTION_FORMAT): Remove.
2634         * config/sol2.h (PUSHSECTION_FORMAT): Define.
2635         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
2636         * config/sol2.c (solaris_output_init_fini): Use it.
2637
2638 2010-03-31  Jie Zhang  <jie@codesourcery.com>
2639
2640         PR 43574
2641         * opt-functions.awk (var_type_struct): Use signed char type
2642         for simple variables.
2643
2644 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2645
2646         * config/sol2.c: Include output.h.
2647         (solaris_assemble_visibility): New function.
2648         * config/t-sol2 (sol2.o): Add output.h dependency.
2649         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
2650         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
2651         Redefine.
2652
2653 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
2654
2655         PR target/43580
2656         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
2657         V2SImode or XFmode on PRE_DEC.
2658
2659         PR debug/43557
2660         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
2661         BLKmode.
2662
2663 2010-03-31  Jie Zhang  <jie@codesourcery.com>
2664
2665         PR 43562
2666         * reload.h (caller_save_initialized_p): Declare.
2667         * toplev.c (backend_init_target): Don't call
2668         init_caller_save but set caller_save_initialized_p to false.
2669         * caller-save.c (caller_save_initialized_p): Define.
2670         (init_caller_save): Check caller_save_initialized_p.
2671         * ira.c (ira): Call init_caller_save if flag_caller_saves.
2672
2673 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2674
2675         PR target/39048
2676         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
2677         and soft-fp/t-softfp to tmake_file.
2678         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
2679         (LIBGCC2_TF_CEXT): Define.
2680         (TF_SIZE): Define.
2681
2682 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
2683
2684         PR debug/42977
2685         * cselib.c (n_useless_values): Document handling of debug locs.
2686         (n_useless_debug_values, n_debug_values): New variables.
2687         (new_elt_loc_list): Don't add to debug values, keep count.
2688         (promote_debug_loc): New.
2689         (cselib_reset_table): Zero new variables.
2690         (entry_and_rtx_equal_p): Promote debug locs.
2691         (discard_useless_locs): Increment n_useless_debug_values for
2692         debug values.
2693         (remove_useless_values): Adjust n_useless_values and n_debug_values
2694         with n_useless_debug_values.
2695         (add_mem_for_addr): Promote debug locs.
2696         (cselib_lookup_mem): Likewise.
2697         (cselib_lookup_addr): Renamed to...
2698         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
2699         (cselib_log_lookup): ... this.  Turn into...
2700         (cselib_lookup_addr): ... new wrapper.
2701         (cselib_lookup_from_insn): New.
2702         (cselib_invalidate_regno): Increment n_useless_debug_values for
2703         debug values.
2704         (cselib_invalidate_mem): Likewise.
2705         (cselib_process_insn): Take n_deleted and n_debug_values into
2706         account to guard remove_useless_value call.
2707         (cselib_finish): Zero n_useless_debug_values.
2708         * cselib.h (cselib_lookup_from_insn): Declare.
2709         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
2710         (sched_analyze_2): Likewise.
2711
2712 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
2713
2714         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
2715         functions.
2716         (adjust_mems): Replace narrowing SUBREG of expression containing
2717         just PLUS, MINUS, MULT and ASHIFT of registers and constants
2718         with operations in the narrower mode.
2719
2720         PR debug/43593
2721         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
2722         regs_invalidated_by_call instead all call_used_reg_set registers.
2723
2724 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
2725
2726         PR middle-end/43430
2727         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
2728         pointer comparisons with types_compatible_p.
2729         * tree-vect-stmts.c (vectorizable_call): Same.
2730         (vectorizable_condition): Same.
2731
2732 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2733
2734         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
2735         stack check if the mask would be zero.
2736
2737 2010-03-30  Seongbae Park <seongbae.park@gmail.com>
2738             Jack Howarth <howarth@bromo.med.uc.edu>
2739
2740         * tree-profile.c (tree_init_ic_make_global_vars): Make static
2741         variables TLS.
2742
2743 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
2744
2745         PR other/25232
2746         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
2747         and __unordtf2.
2748         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
2749         Include ___unordxf2 and ___unordtf2.
2750         * config/i386/libgcc-glibc.ver: Do not define inheritance from
2751         GCC_4.4.0 here.
2752
2753 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>
2754
2755         * config/lm32/t-lm32: New file.
2756         * config.gcc: Use the above file when targetting lm32.
2757
2758 2010-03-28  Duncan Sands  <baldrick@free.fr>
2759
2760         * Makefile.in (PLUGIN_HEADERS): Add except.h.
2761
2762 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
2763
2764         PR middle-end/43431
2765         * tree-vect-loop.c (vect_estimate_min_profitable_iters):
2766         Improve vectorization cost model diagnostic.
2767
2768 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
2769
2770         PR middle-end/43436
2771         * tree-vect-data-refs.c (vect_analyze_data_refs): When
2772         compute_data_dependences_for_loop returns false, early exit
2773         and output an extra diagnostic for the failed data reference
2774         analysis.
2775
2776 2010-03-29  Richard Guenther  <rguenther@suse.de>
2777
2778         PR tree-optimization/43560
2779         * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
2780         (can_sm_ref_p): Treat stores to readonly locations as trapping.
2781
2782 2010-03-29  Jie Zhang  <jie@codesourcery.com>
2783
2784         PR 43564
2785         * toplev.c (process_options): Set optimization_default_node
2786         and optimization_current_node.
2787         * opts.c (decode_options): Don't set optimization_default_node
2788         and optimization_current_node.
2789
2790 2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>
2791
2792         * config/rtems.h: Abandon -qrtems_debug.
2793
2794 2010-03-28  Jan Hubicka  <jh@suse.cz>
2795
2796         PR tree-optimization/43505
2797         * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
2798         map should not be copied.
2799
2800 2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2801
2802         PR middle-end/41674
2803         * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
2804         cdtors, set DECL_PRESERVE_P.
2805         * ipa.c (cgraph_externally_visible_p): Return true if declaration
2806         should be preseved.
2807
2808 2010-03-27  Uros Bizjak  <ubizjak@gmail.com>
2809
2810         PR tree-optimization/43528
2811         * stor-layout.c (place_field): Check that constant fits into
2812         unsigned HWI when skipping calculation of MS bitfield layout.
2813
2814 2010-03-27  Jan Hubicka  <jh@suse.cz>
2815
2816         PR middle-end/43391
2817         * varasm.c (make_decl_rtl): Deal with COMMON flag to make
2818         notice_global_symbol work.
2819
2820 2010-03-27  Jakub Jelinek  <jakub@redhat.com>
2821
2822         * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
2823         instead of dwarf2out_decl.
2824         (struct var_loc_node): Remove section_label field.
2825         (dwarf2out_function_decl): New function.
2826         (dwarf2out_var_location): Don't set section_label field.
2827         (dwarf2out_begin_function): Don't empty decl_loc_table here.
2828
2829 2010-03-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
2830
2831         PR tree-optimization/43544
2832         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2833         First argument for builtin vectorized function hook is now a
2834         tree to be able to distinguish between machine specific and
2835         standard builtins.
2836         * targhooks.c (default_builtin_vectorized_function): Ditto.
2837         * targhooks.h (default_builtin_vectorized_function): Ditto.
2838         * target.h (struct gcc_target): Ditto.
2839         * tree-vect-stmts.c (vectorizable_function): Ditto.
2840         * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
2841         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
2842         Ditto.
2843
2844 2010-03-26  Joseph Myers  <joseph@codesourcery.com>
2845
2846         PR c/43381
2847         * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
2848         nested binding iff it is a FUNCTION_DECL.
2849         (store_parm_decls_newstyle): Pass nested=true to bind for
2850         FUNCTION_DECLs amongst parameters.
2851
2852 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
2853
2854         * var-tracking.c (vt_expand_loc_callback): Don't run
2855         cselib_expand_value_rtx_cb in dummy mode if
2856         cselib_dummy_expand_value_rtx_cb returned false.
2857
2858         * var-tracking.c (emit_note_insn_var_location): For one part
2859         notes with offset 0, don't add EXPR_LIST around the location.
2860         * dwarf2out.c (loc_descriptor, dw_loc_list_1,
2861         add_location_or_const_value_attribute): Adjust for that change.
2862
2863         PR debug/43540
2864         * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
2865         into first operand and location into second.
2866         (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
2867         dw_cfi_oprnd_loc for DW_CFA_expression.
2868         (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
2869         (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
2870         assume first argument is regnum and second argument is location.
2871
2872 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
2873
2874         PR target/42113
2875         * config/alpha/alpha.md (*cmp_sadd_si): Change mode
2876         of scratch register to DImode.  Split to DImode comparison operator.
2877         Use SImode subreg of scratch register in the multiplication.
2878         (*cmp_sadd_sidi): Ditto.
2879         (*cmp_ssub_si): Ditto.
2880         (*cmp_ssub_sidi): Ditto.
2881
2882 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
2883
2884         PR target/43524
2885         * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
2886         Remove invalid assert and wrong comment.
2887
2888 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
2889
2890         PR debug/43516
2891         * flags.h (final_insns_dump_p): New extern.
2892         * final.c (final_insns_dump_p): New variable.
2893         (rest_of_clean_state): Set it before -fdump-final-insns=
2894         dumping, clear afterwards.
2895         * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
2896         MEM_ALIAS_SET on MEMs.
2897
2898 2010-03-26  David S. Miller  <davem@davemloft.net>
2899
2900         * configure.ac: Fix sparc GOTDATA_OP bug check.
2901         * configure: Rebuild.
2902
2903 2010-03-26  Alan Modra  <amodra@gmail.com>
2904
2905         * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
2906
2907 2010-03-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2908
2909         * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
2910         TLS_SECTION_ASM_FLAG.
2911
2912 2010-03-25  Jakub Jelinek  <jakub@redhat.com>
2913
2914         PR bootstrap/43511
2915         * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
2916         Clear first_function_block_is_cold.
2917
2918         PR c/43385
2919         * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
2920         argument if the argument is truth_value_p.
2921
2922 2010-03-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
2923
2924         * config/rs6000/constraints.md: Update copyright year for my changes.
2925
2926         PR target/43484
2927         * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
2928         used in reg+reg addressing, swap registers.
2929
2930 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
2931
2932         PR debug/43293
2933         * target.h (struct gcc_target): Add code_end hook.
2934         * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
2935         if not yet defined.
2936         (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
2937         * toplev.c (compile_file): Call targetm.asm_out.code_end
2938         hook before unwind info/debug info output.
2939         * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
2940         * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
2941         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2942         * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
2943         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2944         * config/i386/i386.c (ix86_file_end): Renamed to...
2945         (ix86_code_end): ... this.  Make static.  Don't call
2946         file_end_indicate_exec_stack.  Emit unwind info using
2947         final_start_function/final_end_function.
2948         (darwin_x86_file_end): Remove.
2949         (TARGET_ASM_CODE_END): Define.
2950         * config/i386/i386.h (TARGET_ASM_FILE_END,
2951         NEED_INDICATE_EXEC_STACK): Don't define.
2952         * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
2953         (TARGET_ASM_FILE_END): Define to darwin_file_end.
2954         * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
2955         * doc/tm.texi (TARGET_ASM_CODE_END): Document.
2956
2957         PR target/43498
2958         * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
2959         at the beginning and final_end_function at the end.
2960         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
2961
2962 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2963
2964         * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
2965         and Sun as TLS syntax.
2966         (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
2967         * configure: Regenerate.
2968         * config.in: Regenerate.
2969         * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
2970         (default_elf_asm_named_section): Use it.
2971         * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
2972         (i386_output_dwarf_dtprel): Likewise.
2973         (output_addr_const_extra): Likewise.
2974         (output_pic_addr_const): Lowercase @GOTTPOFF.
2975         (output_addr_const_extra): Likewise.
2976         (output_pic_addr_const): Lowercase @GOTNTPOFF.
2977         (output_addr_const_extra): Likewise.
2978         (output_pic_addr_const): Lowercase @INDNTPOFF.
2979         (output_addr_const_extra): Likewise.
2980         (output_pic_addr_const): Lowercase @NTPOFF.
2981         (output_addr_const_extra): Likewise.
2982         (output_pic_addr_const): Lowercase @TPOFF.
2983         (output_addr_const_extra): Likewise.
2984         * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
2985         (*tls_global_dynamic_64): Likewise.
2986         (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
2987         (*tls_local_dynamic_base_64): Lowercase @TLSLD.
2988
2989         * defaults.h (TLS_COMMON_ASM_OP): Provide default.
2990         (ASM_OUTPUT_TLS_COMMON): Use it.
2991         * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
2992
2993         PR target/38118
2994         * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
2995         * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
2996         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
2997         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
2998         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2999         (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
3000
3001 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3002
3003         * config/i386/i386.c (override_options): Don't accept
3004         -mtls-dialect=sun any longer.
3005         * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
3006         * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
3007         (*tls_local_dynamic_base_32_sun): Likewise.
3008         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3009
3010 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
3011
3012         PR debug/43508
3013         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
3014         VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
3015
3016         PR debug/43479
3017         * ira.c (adjust_cleared_regs): New function.
3018         (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
3019
3020         PR debug/19192
3021         PR debug/43479
3022         * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
3023         from gimple_block.
3024         * expr.c (expand_expr_real): Restore previous
3025         curr_insn_source_location and curr_insn_block after
3026         expand_expr_real_1 call.
3027         (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
3028         instead of expand_expr_real_1.
3029
3030 2010-03-23  Vladimir Makarov  <vmakarov@redhat.com>
3031
3032         PR rtl-optimization/43413
3033         * ira-color.c (setup_allocno_available_regs_num): Count prohibited
3034         hard regs too.
3035
3036 2010-03-22  James E. Wilson  <wilson@codesourcery.com>
3037
3038         PR target/43348
3039         * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
3040         call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
3041
3042 2010-03-22  H.J. Lu  <hongjiu.lu@intel.com>
3043
3044         * config/i386/i386.c (ix86_target_string): Add -mfma.
3045         Fix a typo in comment.
3046
3047 2010-03-22  Mike Stump  <mikestump@comcast.net>
3048
3049         PR target/23071
3050         * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3051         Don't overly align based upon packed packed fields.
3052
3053 2010-03-22  Jason Merrill  <jason@redhat.com>
3054
3055         * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
3056         Use () rather than [], and move before the element type.
3057
3058 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3059
3060         * doc/configfiles.texi (Configuration Files): Removed
3061         fixinc/Makefile*, intl/Makefile.*.
3062         * doc/makefile.texi: Fixed markup. Abstract from version
3063         control system used.
3064         (Makefile): Removed obsolete gcc/java/parse.y example.
3065         * doc/sourcebuild.texi: Likewise.
3066         (Top Level): Added config, gnattools, libdecnumber, libgcc,
3067         libgomp, libssp.  Removed fastjar.
3068         (Miscellaneous Docs): Clarify location.
3069         Added COPYING3, COPYING3.LIB.
3070         (Front End Directory): Moved Make-lang.in entry to new subsubsection.
3071
3072 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3073
3074         PR target/38085
3075         * config/i386/i386.c (x86_function_profiler)
3076         [!NO_PROFILE_COUNTERS]: Fix typo.
3077         * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
3078         instead of callq.
3079
3080 2010-03-22  Janis Johnson  <janis187@us.ibm.com>
3081             Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3082
3083         * doc/sourcebuild.texi (Test Directives): Split into six
3084         subsections, with most of the current text in new subsections
3085         Directives, Selectors, and Final Actions.
3086         (Directives): Split list of test directives into multiple
3087         subsubsections.
3088         (Selectors): Describe use and syntax of selectors.
3089         (Effective-Target Keywords): Describe all existing keywords.
3090         (Add Options): Describe features for dg-add-options.
3091         (Require Support): Describe variants of dg-require-support.
3092         (Final Actions): Describe commands to use in dg-final.
3093
3094 2010-03-22  Michael Matz  <matz@suse.de>
3095
3096         PR middle-end/43475
3097         * recog.c (validate_replace_rtx_group): Replace also in
3098         REG_EQUAL and REG_EQUIV notes.
3099
3100 2010-03-22  Richard Guenther  <rguenther@suse.de>
3101
3102         PR tree-optimization/43390
3103         * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
3104         sure vector extracts are type correct.
3105
3106 2010-03-22  Richard Guenther  <rguenther@suse.de>
3107
3108         PR middle-end/40106
3109         * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
3110         x * sqrt (x) even when optimizing for size if the target
3111         has native support for sqrt.
3112
3113 2010-03-22  Jakub Jelinek  <jakub@redhat.com>
3114
3115         * varasm.c (make_decl_rtl_for_debug): Also clear
3116         flag_mudflap for the duration of make_decl_rtl call.
3117
3118         PR debug/43443
3119         * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
3120         locs from preserved VALUEs.
3121
3122 2010-03-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3123
3124         PR middle-end/42718
3125         * pa.md (movmemsi): Set align to one if zero.
3126         (movmemdi): Likewise.
3127
3128 2010-03-21  Richard Earnshaw  <rearnsha@arm.com>
3129
3130         PR target/42321
3131         * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
3132         with their corresponding prologue pushes.
3133
3134 2010-03-20  Andrew Pinski  <pinskia@gmail.com>
3135
3136         PR target/43156
3137         * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
3138         at the begining or end.
3139         (spu_expand_epilogue): Likewise.
3140
3141 2010-03-20  Richard Guenther  <rguenther@suse.de>
3142
3143         PR rtl-optimization/43438
3144         * combine.c (make_extraction): Properly zero-/sign-extend an
3145         extraction of the low part of a CONST_INT.  Also handle
3146         CONST_DOUBLE.
3147
3148 2010-03-19  Mike Stump  <mikestump@comcast.net>
3149
3150         * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
3151         * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
3152         (override_options): Use SUBTARGET32_DEFAULT_CPU.
3153
3154 2010-03-19  Andrew Pinski  <andrew_pinski@caviumnetworks.com>
3155
3156         PR c/43211
3157         * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
3158         an error.
3159
3160 2010-03-19  Bernd Schmidt  <bernds@codesourcery.com>
3161
3162         PR rtl-optimization/42258
3163         * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
3164         use that may match DEF.
3165
3166         PR target/40697
3167         * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
3168         the cost of loading the constant rather than assuming
3169         COSTS_N_INSNS (1).
3170         * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
3171         outer code is AND, do the same tests as the andsi3 expander and
3172         return COSTS_N_INSNS (1) if and is cheap.
3173
3174         * optabs.c (avoid_expensive_constant): Fix formatting.
3175
3176 2010-03-19  Michael Matz  <matz@suse.de>
3177
3178         PR c++/43116
3179         * attribs.c (decl_attributes): When rebuilding a function pointer
3180         type use the same qualifiers as the original pointer type.
3181
3182 2010-03-19  Martin Jambor  <mjambor@suse.cz>
3183
3184         * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
3185         and is_gimple_ip_invariant_address.
3186
3187 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3188
3189         Revert
3190         2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3191
3192         * config/arm/arm.c (arm_override_options): Turn off
3193         flag_dwarf2_cfi_asm for AAPCS variants.
3194
3195 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3196
3197         PR target/43399
3198         * config/arm/arm.c (emit_multi_reg_push): Update comments.
3199         Use PRE_MODIFY instead of PRE_DEC.
3200         (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
3201         (vfp_emit_fstmd): Likewise.
3202
3203 2010-03-19  Michael Matz  <matz@suse.de>
3204
3205         PR target/43305
3206         * builtins.c (expand_builtin_interclass_mathfn,
3207         expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
3208         if that fails.
3209
3210 2010-03-19  Richard Guenther  <rguenther@suse.de>
3211
3212         PR tree-optimization/43415
3213         * tree-ssa-pre.c (phi_translate): Split out worker to ...
3214         (phi_translate_1): ... this.
3215         (phi_translate): Move all caching here.  Cache all NARY
3216         and REFERENCE translations.
3217
3218 2010-03-19  David S. Miller  <davem@davemloft.net>
3219
3220         With help from Eric Botcazou.
3221         * config/sparc/sparc.c: Include dwarf2out.h.
3222         (emit_pic_helper): Delete.
3223         (pic_helper_symbol_name): Delete.
3224         (pic_helper_emitted_p): Delete.
3225         (pic_helper_needed): New.
3226         (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
3227         (get_pc_thunk_name): New.
3228         (load_pic_register): Remove 'delay_pic_helper' arg.  Use
3229         get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
3230         Set pic_helper_needed to true.  Don't call emit_pic_helper.
3231         (sparc_expand_prologue): Update load_pic_register call.
3232         (sparc_output_mi_thunk): Likewise.
3233         (sparc_file_end): Emit a hidden comdat symbol for the PIC
3234         thunk if possible.  Output CFI information as needed.
3235
3236 2010-03-18  Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
3237             Jack Howarth <howarth@bromo.med.uc.edu>
3238
3239         PR target/36399
3240         * config/i386/i386.h: Fix ABI on darwin x86-32.
3241
3242 2010-03-18  Aldy Hernandez  <aldyh@redhat.com>
3243
3244         * tree.h: Declare make_decl_rtl_for_debug.
3245         * varasm.c (make_decl_rtl_for_debug): New.
3246         * dwarf2out.c (rtl_for_decl_location): Call it.
3247         * cfgexpand.c (expand_debug_expr): Call it.
3248
3249 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
3250
3251         PR bootstrap/43399
3252         * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
3253         mem_mode.
3254
3255         PR bootstrap/43403
3256         * var-tracking.c (vt_init_cfa_base): Do nothing if
3257         cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
3258
3259 2010-03-18  Alexandre Oliva  <aoliva@redhat.com>
3260
3261         PR debug/42873
3262         * var-tracking.c (canonicalize_vars_star): New.
3263         (dataflow_post_merge_adjust): Use it.
3264
3265 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
3266
3267         PR debug/43058
3268         * var-tracking.c (non_suitable_const): New function.
3269         (add_uses): For DEBUG_INSNs with constants, don't record any
3270         value, instead just the constant value itself.
3271         (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
3272         is not VAR_LOC_UNKNOWN_P, set var to the constant.
3273         (emit_notes_in_bb): Likewise.
3274         (emit_note_insn_var_location): For onepart variables if
3275         cur_loc is a VOIDmode constant, use DECL_MODE.
3276
3277 2010-03-18  Martin Jambor  <mjambor@suse.cz>
3278
3279         PR middle-end/42450
3280         * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
3281         * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
3282         all non-clones.  Moved call redirection...
3283         (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
3284         (cgraph_materialize_all_clones): Dispose of all
3285         combined_args_to_skip bitmaps.
3286         (verify_cgraph_node): Do not check for edges pointing to wrong
3287         nodes in inline clones.
3288         * tree-inline.c (copy_bb): Call
3289         cgraph_redirect_edge_call_stmt_to_callee.
3290         * ipa.c (cgraph_remove_unreachable_nodes): Call
3291         cgraph_node_remove_callees even when there are used clones.
3292
3293 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
3294
3295         * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
3296
3297 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
3298
3299         PR target/43383
3300         * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
3301         for 32bit.
3302
3303 2010-03-18  Michael Matz  <matz@suse.de>
3304
3305         PR middle-end/43419
3306         * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
3307         into sqrt(x) if we need to preserve signed zeros.
3308
3309 2010-03-18  Steven Bosscher  <steven@gcc.gnu.org>
3310             Eric Botcazou  <ebotcazou@adacore.com>
3311
3312         PR rtl-optimization/43360
3313         * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
3314         note if we don't know its invariant status.
3315
3316 2010-03-18  Michael Matz  <matz@suse.de>
3317
3318         PR tree-optimization/43402
3319         * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
3320         PHI chains of ssa names registered for update.
3321
3322 2010-03-17  Peter Bergner  <bergner@vnet.ibm.com>
3323
3324         PR target/42427
3325         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
3326         non-offsettable and pre_modify update addressing.
3327         * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
3328         and "2" alternatives "#".
3329         (*movdd_softfloat32): Make all alternatives "#";
3330         * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
3331         (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
3332         (*movdf_softfloat32): Make all alternatives "#";
3333         (movdi): Use the new DIFD mode iterator to create a common splitter
3334         for movdi, movdf and movdd patterns.
3335
3336 2010-03-18  Shujing Zhao  <pearly.zhao@oracle.com>
3337
3338         * common.opt (dumpdir): Remove redundant tab.
3339
3340 2010-03-17  Martin Jambor  <mjambor@suse.cz>
3341
3342         PR tree-optimization/43347
3343         * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
3344         original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
3345
3346 2010-03-17  Bernd Schmidt  <bernd.schmidt@analog.com>
3347
3348         PR rtl-optimization/42216
3349         * regrename.c (create_new_chain): New function, broken out from...
3350         (scan_rtx_reg): ... here.  Call it.  Handle the case where we are
3351         appending a use to an empty chain.
3352         (build_def_use): Remove previous changes that convert OP_INOUT to
3353         OP_OUT operands; instead detect the case where an OP_INOUT operand
3354         uses a previously untracked register and create an empty chain for it.
3355
3356 2010-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3357
3358         * doc/extend.texi (Function Attributes): Rewrite unfinished
3359         sentence in ms_abi documentation.
3360
3361 2010-03-17  Alan Modra  <amodra@gmail.com>
3362
3363         * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
3364         * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
3365         (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
3366         * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
3367
3368 2010-03-16  Richard Henderson  <rth@redhat.com>
3369
3370         PR middle-end/43365
3371         * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
3372         (lower_try_finally): Save and restore eh_seq around the expansion
3373         of the try-finally.
3374
3375 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
3376
3377         * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
3378         statements before splitting block.
3379
3380 2010-03-16  Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3381
3382         * doc/sourcebuild.texi (Testsuites): Fix markup.
3383         Use pathnames relative to gcc/testsuite.
3384         (Test Directives): Move description of how timeout is determined.
3385         (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
3386         (C Tests): Correct gcc.misc-tests directory.
3387         Framework tests now live in gcc.test-framework.
3388
3389 2010-03-16  Richard Guenther  <rguenther@suse.de>
3390
3391         PR middle-end/43379
3392         * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
3393         operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
3394
3395 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
3396             Alexandre Oliva  <aoliva@redhat.com>
3397
3398         PR tree-optimization/42917
3399         * lambda-code.c (remove_iv): Skip debug statements.
3400         (lambda_loopnest_to_gcc_loopnest): Likewise.
3401         (not_interesting_stmt): Debug statements are not interesting.
3402
3403 2010-03-16  Jakub Jelinek  <jakub@redhat.com>
3404
3405         PR debug/43051
3406         PR debug/43092
3407         * cselib.c (cselib_preserve_constants,
3408         cfa_base_preserved_val): New static variables.
3409         (preserve_only_constants): New function.
3410         (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
3411         clear its REG_VALUES.  If cselib_preserve_constants, don't
3412         empty the whole hash table, but preserve there VALUEs with constants,
3413         cfa_base_preserved_val and cfa_base_preserved_val plus constant.
3414         (cselib_preserve_cfa_base_value): New function.
3415         (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
3416         (cselib_init): Change argument to int bitfield.  Set
3417         cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
3418         is in it.
3419         (cselib_finish): Clear cselib_preserve_constants and
3420         cfa_base_preserved_val.
3421         * cselib.h (enum cselib_record_what): New enum.
3422         (cselib_init): Change argument to int.
3423         (cselib_preserve_cfa_base_value): New prototype.
3424         * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
3425         * dse.c (dse_step1): Likewise.
3426         * cfgcleanup.c (thread_jump): Likewise.
3427         * sched-deps.c (sched_analyze): Likewise.
3428         * gcse.c (local_cprop_pass): Likewise.
3429         * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
3430         If FN is non-NULL, call the callback always and whenever it returns
3431         non-NULL just return that.  Only do rtx_equal_p if FN is NULL.
3432         * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
3433         * combine.c (propagate_for_debug_subst): Add old_rtx argument,
3434         compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
3435         * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
3436         * var-tracking.c: Include recog.h.
3437         (bb_stack_adjust_offset): Remove.
3438         (vt_stack_adjustments): Don't call it, instead just gather the
3439         adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
3440         (adjust_stack_reference): Remove.
3441         (compute_cfa_pointer): New function.
3442         (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
3443         (struct adjust_mem_data): New type.
3444         (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
3445         functions.
3446         (get_address_mode): New function.
3447         (replace_expr_with_values): Use it.
3448         (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
3449         Use get_address_mode.  For cfa_base_