gcc/ChangeLog

   1 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
   2
   3         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
   4         to simplify a + ~a.
   5
   6 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
   7
   8         * tree-parloops.c (loop_parallel_p): New argument
   9         parloop_obstack.  Pass it down.
  10         (parallelize_loops): New variable parloop_obstack.  Initialize it,
  11         pass it down, free it.
  12
  13         * tree-loop-linear.c (linear_transform_loops): Pass down
  14         lambda_obstack.
  15
  16         * tree-data-ref.h (lambda_compute_access_matrices): New argument
  17         of type struct obstack *.
  18
  19         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
  20         scratch_obstack.  Initialize it, pass down, free it.
  21
  22         * lambda.h (lambda_loop_new): Remove.
  23         (lambda_matrix_new, lambda_matrix_inverse)
  24         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
  25         argument of type struct obstack *.
  26
  27         * lambda-trans.c (lambda_trans_matrix_new): New argument
  28         lambda_obstack.  Pass it down, use obstack allocation for ret.
  29         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
  30         it down.
  31
  32         * lambda-mat.c (lambda_matrix_get_column)
  33         (lambda_matrix_project_to_null): Remove.
  34         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
  35         allocation for mat.
  36         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
  37         lambda_obstack.
  38
  39         * lambda-code.c (lambda_loop_new): New function.
  40         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
  41         (lambda_compute_auxillary_space, lambda_compute_target_space)
  42         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
  43         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
  44         (build_access_matrix): New argument lambda_obstack.  Use obstack
  45         allocation for am.
  46         (lambda_compute_step_signs, lambda_compute_access_matrices): New
  47         argument lambda_obstack.  Pass it down.
  48
  49 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
  50
  51         * optabs.h (expand_widening_mult): Declare.
  52
  53 2010-04-22  Richard Guenther  <rguenther@suse.de>
  54
  55         PR tree-optimization/43845
  56         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
  57         lookup the CALL_EXPR function and arguments.
  58
  59 2010-04-22  Nick Clifton  <nickc@redhat.com>
  60
  61         * config/stormy16/stormy16.c
  62         (xstormy16_asm_output_aligned_common): Handle a NULL decl
  63         parameter.
  64         * config/stormy16/stormy16.h: Tidy up formatting.
  65         (DONT_USE_BUILTIN_SETJMP): Remove definition.
  66         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
  67         (ineqbranchsi): Delete pattern.
  68         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
  69         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
  70         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
  71         stormy16-lib2-ucmpsi2.c.
  72
  73 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
  74
  75         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
  76         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
  77         extra set merge_set_noclobber, and use it to relax the final test
  78         slightly.
  79         * df.h (df_simulate_find_noclobber_defs): Declare.
  80         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
  81         conditional defs.
  82         (df_simulate_find_noclobber_defs): New function.
  83
  84 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
  85
  86         * config/i386/i386.md: Use {} around multi-line preparation statements.
  87
  88 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
  89
  90         * c-tree.h (push_init_level, pop_init_level, set_init_index)
  91         (process_init_element): New argument of type struct obstack *.
  92
  93         * c-typeck.c (push_init_level, pop_init_level, set_designator)
  94         (set_init_index, set_init_label, set_nonincremental_init)
  95         (set_nonincremental_init_from_string, find_init_member)
  96         (output_init_element, output_pending_init_elements)
  97         (process_init_element): New argument braced_init_obstack.  Pass it
  98         down.
  99         (push_range_stack, add_pending_init): New argument
 100         braced_init_obstack.  Use obstack allocation.
 101
 102         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
 103         braced_init_obstack.  Pass it down.
 104         (c_parser_braced_init): New variables ret, braced_init_obstack.
 105         Initialize obstack, pass it down and finally free it.
 106
 107 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
 108
 109         PR middle-end/29274
 110         * tree-pass.h (pass_optimize_widening_mul): Declare.
 111         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
 112         gate_optimize_widening_mul): New static functions.
 113         (pass_optimize_widening_mul): New.
 114         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New
 115         case.
 116         <case MULT_EXPR>: Remove support for widening multiplies.
 117         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
 118         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
 119         simplify_gen_unary rather than directly building extensions.
 120         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
 121         WIDEN_MULT_EXPR.
 122         * expmed.c (expand_widening_mult): New function.
 123         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
 124
 125 2010-04-21  Jan Hubicka  <jh@suse.cz>
 126
 127         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
 128         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
 129         * lto-wpa-fixup.c: Remove.
 130         * Makefile.in (lto-wpa-fixup.o): Remove.
 131         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
 132         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
 133         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
 134
 135 2010-04-21  Jan Hubicka  <jh@suse.cz>
 136
 137         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
 138         add write_optimization_summary, read_optimization_summary.
 139         (ipa_write_summaries_of_cgraph_node_set): Remove.
 140         (ipa_write_optimization_summaries): Declare.
 141         (ipa_read_optimization_summaries): Declare.
 142         * ipa-cp.c (pass_ipa_cp): Update.
 143         * ipa-reference.c (pass_ipa_reference): Update.
 144         * ipa-pure-const.c (pass_ipa_pure_const): Update.
 145         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
 146         Update.
 147         * ipa-inline.c (pass_ipa_inline): Update.
 148         * ipa.c (pass_ipa_whole_program): Update.
 149         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
 150         * passes.c (ipa_write_summaries_1): Do not test wpa.
 151         (ipa_write_optimization_summaries_1): New.
 152         (ipa_write_optimization_summaries): New.
 153         (ipa_read_summaries): Do not test ltrans.
 154         (ipa_read_optimization_summaries_1): New.
 155         (ipa_read_optimization_summaries): New.
 156
 157 2010-04-21  Jan Hubicka  <jh@suse.cz>
 158
 159         * lto-cgraph.c (lto_output_node): Do not output comdat groups
 160         for boundary nodes.
 161         (output_cgraph): Do not arrange comdat groups for boundary nodes.
 162
 163 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
 164
 165         PR debug/40040
 166         * dwarf2out.c (add_name_and_src_coords_attributes): Add
 167         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
 168
 169 2010-04-21  Jan Hubicka  <jh@suse.cz>
 170
 171         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
 172
 173 2010-04-21  Jan Hubicka  <jh@suse.cz>
 174
 175         * varpool.c (decide_is_variable_needed): Variable is always needed
 176         during ltrans.
 177
 178 2010-04-21  Jan Hubicka  <jh@suse.cz>
 179
 180         * opts.c (decode_options): Enable pure-const pass for whopr.
 181
 182 2010-04-21  Jan Hubicka  <jh@suse.cz>
 183
 184         * cgraph.c (dump_cgraph_node): Dump also assembler name.
 185         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
 186         at WPA dumping.
 187         (cgraph_decide_inlining): Do not expect callee to be removed in all
 188         cases.
 189
 190 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
 191
 192         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
 193
 194 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
 195
 196         * config/i386/i386.md (x86_shrd): Add athlon_decode and
 197         amdfam10_decode attributes.
 198
 199 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
 200
 201         PR middle-end/43570
 202         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
 203         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
 204         (lower_copyprivate_clauses): Use private var in outer
 205         context instead of original var.  Make sure the types
 206         are correct for VLAs.
 207
 208 2010-04-21  Richard Guenther  <rguenther@suse.de>
 209
 210         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
 211         to non-pointer objects.
 212
 213 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
 214
 215         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
 216         last chain entry if it starts with the still current label.
 217         (add_location_or_const_value_attribute): Check that
 218         loc_list->first->next is NULL instead of comparing ->first with ->last.
 219         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
 220         to add_var_loc_to_decl.
 221
 222         * dwarf2out.c (output_call_frame_info): For dw_cie_version
 223         >= 4 add also address size and segment size fields into CIE header.
 224
 225         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
 226         long as address size is the same as sizeof (void *) and
 227         segment size is 0.
 228         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
 229         address size or segment size is unexpected, return DW_EH_PE_omit.
 230         (classify_object_over_fdes): If get_cie_encoding returned
 231         DW_EH_PE_omit, return -1.
 232         (init_object): If classify_object_over_fdes returned -1,
 233         pretend there were no FDEs at all.
 234
 235 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
 236
 237         * config/i386/i386.md (bswap<mode>2): Macroize expander from
 238         bswap{si,di}2 using SWI48 mode iterator.
 239         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
 240         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
 241         set modrm attribute of bswap insn to 0 and remove length attribute.
 242         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
 243         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
 244         set mode attribute to <MODE> and remove length attribute.
 245
 246 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
 247
 248         PR rtl-optimization/43520
 249         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
 250         zero available registers.
 251
 252 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 253
 254         * builtins.c (fold_builtin_cproj): Fold more cases.
 255
 256 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 257
 258         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
 259         (fold_builtin_1): Fold builtin cproj.
 260         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
 261         Use ATTR_CONST_NOTHROW_LIST.
 262
 263 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
 264
 265         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
 266         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
 267         ffsi2_no_cmove for !TARGET_CMOVE.
 268         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
 269         (ffssi2): Remove expander.
 270         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
 271         mode iterator.
 272         (ctz<mode>2): Ditto from ctz{si,di}2.
 273         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
 274         mode iterator.
 275         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
 276         mode iterator.
 277
 278 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
 279
 280         * dwarf2out.c (AT_linkage_name): Define.
 281         (clone_as_declaration): Handle DW_AT_linkage_name.
 282         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
 283         of DW_AT_MIPS_linkage_name.
 284         (move_linkage_attr): Likewise.
 285         (dwarf2out_finish): Likewise.
 286
 287 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
 288
 289         PR middle-end/41952
 290         * fold-const.c (fold_comparison): New folding rule.
 291
 292 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
 293
 294         * double-int.h (double_int_setbit): Declare.
 295         * double-int.c (double_int_setbit): New function.
 296         * rtl.h (immed_double_int_const): Declare.
 297         * emit-rtl.c (immed_double_int_const): New function.
 298         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
 299         and immed_double_int_const functions.
 300         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
 301         expand_copysign_bit):  (Ditto.).
 302         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
 303         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
 304         * dojump.c (prefer_and_bit_test): (Ditto.).
 305         * expr.c (convert_modes, reduce_to_bit_field_precision,
 306         const_vector_from_tree): (Ditto.).
 307         * expmed.c (mask_rtx, lshift_value): (Ditto.).
 308
 309 2010-04-20  Jan Hubicka  <jh@suse.cz>
 310
 311         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
 312         (dump_cgraph_node): Dump new flags.
 313         * cgraph.h (struct cgraph_node): Add flags
 314         reachable_from_other_partition and in_other_partition.
 315         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
 316         other partition can not be removed.
 317         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
 318         the other partition must be output; silence sanity checking on
 319         leaking functions bodies from other paritition.
 320         * lto-cgraph.c (reachable_from_other_partition_p): New function.
 321         (lto_output_node): Output new flags; do not sanity check that inline
 322         clones are output; drop lto_forced_extern_inline_p code; do not mock
 323         visibility flags at partition boundaries.
 324         (add_node_to): New function.
 325         (output_cgraph): Use it to sort functions so masters appear before
 326         clones.
 327         (input_overwrite_node): Input new flags.
 328         * passes.c (ipa_write_summaries): Do not call
 329         lto_new_extern_inline_states.
 330         * lto-section-out.c (forced_extern_inline, lto_new_extern_inline_states,
 331         lto_delete_extern_inline_states, lto_force_functions_extern_inline,
 332         lto_forced_extern_inline_p): Kill.
 333         * lto-streamer.h (lto_new_extern_inline_states,
 334         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
 335         lto_forced_extern_inline_p): Kill.
 336
 337 2010-04-20  Richard Guenther  <rguenther@suse.de>
 338
 339         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
 340         from vars that can have pointers.
 341         (process_constraint): Dump useless constraints.
 342
 343 2010-04-20  Richard Guenther  <rguenther@suse.de>
 344
 345         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
 346         (dump_sa_points_to_info): Remove asserts.
 347         (init_base_vars): nothing_id isn't an escape point nor does it
 348         have pointers.
 349
 350 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
 351
 352         * tree.h (TYPE_REF_IS_RVALUE): Define.
 353         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
 354         should_move_die_to_comdat, prune_unused_types_walk): Handle
 355         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
 356         (modified_type_die, gen_reference_type_die): Emit
 357         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
 358         if TYPE_REF_IS_RVALUE and -gdwarf-4.
 359
 360 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 361
 362         PR target/43635
 363         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
 364         calls for -fpic -m31 if they have been sibcall optimized.
 365
 366 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
 367
 368         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
 369         ar.lc fixed and call-used.
 370
 371         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
 372
 373 2010-04-19  Jan Hubicka  <jh@suse.cz>
 374
 375         * opts.c (decode_options): Disable whpr incompatible passes.
 376         * lto/lto.c (lto_1_to_1_map): Skip clones.
 377         (read_cgraph_and_symbols): Do not mark everything as needed.
 378         (do_whole_program_analysis): Do map only after optimizing;
 379         set proper cgraph_state; use passmanager.
 380
 381 2010-04-19  DJ Delorie  <dj@redhat.com>
 382
 383         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
 384         POINTER_PLUS_EXPR and fix them.
 385
 386 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
 387
 388         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
 389         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
 390         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
 391         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
 392         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
 393         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
 394         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
 395         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
 396         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
 397         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
 398         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
 399
 400 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
 401
 402         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
 403         (check_cond_move_block): Likewise.
 404         (cond_move_process_if_block): Likewise.
 405         (noce_find_if_block): Improve formatting.
 406         (find_if_header): Pass 0 to memset and tweak conditions.
 407         (cond_exec_find_if_block): Fix long lines and tweak conditions.
 408
 409 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
 410
 411         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
 412         for -gdwarf-4.
 413
 414         PR middle-end/43337
 415         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
 416         with non-local decl doesn't need chain.
 417
 418 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
 419
 420         * ira-color.c (allocno_reload_assign): Avoid accumulating
 421         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
 422
 423 2010-04-19  Martin Jambor  <mjambor@suse.cz>
 424
 425         * gimple.h (create_tmp_reg): Declare.
 426         * gimplify.c (create_tmp_reg): New function.
 427         (gimplify_return_expr): Use create_tmp_reg.
 428         (gimplify_omp_atomic): Likewise.
 429         (gimple_regimplify_operands): Likewise.
 430         * tree-dfa.c (make_rename_temp): Likewise.
 431         * tree-predcom.c (predcom_tmp_var): Likewise.
 432         (reassociate_to_the_same_stmt): Likewise.
 433         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
 434         (get_replaced_param_substitute): Likewise.
 435         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
 436         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
 437         * tree-ssa-pre.c (get_representative_for): Likewise.
 438         (create_expression_by_pieces): Likewise.
 439         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
 440         (create_tailcall_accumulator): Likewise.
 441
 442 2010-04-19  Martin Jambor  <mjambor@suse.cz>
 443
 444         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
 445         new_stmt.
 446         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
 447
 448 2010-04-19  Richard Guenther  <rguenther@suse.de>
 449
 450         PR tree-optimization/43796
 451         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
 452         from SCEV in the lattice.
 453         (vrp_visit_phi_node): Dump change.
 454
 455 2010-04-19  Richard Guenther  <rguenther@suse.de>
 456
 457         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
 458         * configure: Re-generated.
 459
 460 2010-04-19  Richard Guenther  <rguenther@suse.de>
 461
 462         PR tree-optimization/43783
 463         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
 464         constant ARRAY_REF operands two and three if possible.
 465
 466 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
 467
 468         PR target/43766
 469         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
 470
 471 2010-04-19  Jie Zhang  <jie@codesourcery.com>
 472
 473         PR target/43662
 474         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
 475
 476 2010-04-19 Ira Rosen <irar@il.ibm.com>
 477
 478         PR tree-optimization/37027
 479         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
 480         and macro to access it.
 481         (vectorizable_reduction): Add argument.
 482         (vect_get_slp_defs): Likewise.
 483         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
 484         statements for possible use in SLP.
 485         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
 486         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
 487         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
 488         add new argument.
 489         (vectorizable_reduction): Likewise.
 490         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
 491         vect_get_slp_defs.
 492         (vectorizable_type_demotion, vectorizable_type_promotion,
 493         vectorizable_store): Likewise.
 494         (vect_analyze_stmt): Update call to vectorizable_reduction.
 495         (vect_transform_stmt): Likewise.
 496         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
 497         (vect_build_slp_tree): Fix indentation. Check that there are no loads
 498         from different interleaving chains in same node.
 499         (vect_slp_rearrange_stmts): New function.
 500         (vect_supported_load_permutation_p): Allow load permutations for
 501         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
 502         inside SLP nodes if necessary.
 503         (vect_analyze_slp_instance): Handle reductions.
 504         (vect_analyze_slp): Try to build SLP instances originating from groups
 505         of reductions.
 506         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
 507         (vect_get_constant_vectors): Create initial vectors for reductions
 508         according to reduction code. Add new argument.
 509         (vect_get_slp_defs): Add new argument, pass it to
 510         vect_get_constant_vectors.
 511         (vect_schedule_slp_instance): Remove SLP tree root statements.
 512
 513 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
 514
 515         * tree.h (ENUM_IS_SCOPED): Define.
 516         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
 517         for ENUM_IS_SCOPED enums.
 518
 519 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
 520
 521         * fold-const.c (fold_comparison): Use ssizetype.
 522         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
 523         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
 524         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
 525         * tree-object-size.c (compute_object_sizes): Use size_type_node.
 526
 527         * tree.h (initialize_sizetypes): Remove parameter.
 528         (build_common_tree_nodes): Remove second parameter.
 529         * stor-layout.c (initialize_sizetypes): Remove parameter.
 530         Always create an unsigned type.
 531         (set_sizetype): Assert that the passed type is unsigned and simplify.
 532         * tree.c (build_common_tree_nodes): Remove second parameter.
 533         Adjust call to initialize_sizetypes.
 534         * c-decl.c (c_init_decl_processing): Remove second argument in call to
 535         build_common_tree_nodes.
 536
 537 2010-04-18  Matthias Klose  <doko@ubuntu.com>
 538
 539         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
 540
 541 2010-04-18 Ira Rosen <irar@il.ibm.com>
 542
 543         PR tree-optimization/43771
 544         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
 545         load permutation doesn't have gaps.
 546
 547 2010-04-18  Jan Hubicka  <jh@suse.cz>
 548
 549         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
 550         (sse_prologue_save_insn expander): Use new pattern.
 551         (sse_prologue_save_insn1): New pattern and splitter.
 552         (sse_prologue_save_insn): Update to deal also with 64bit aligned
 553         blocks.
 554         * i386.c (setup_incoming_varargs_64): Do not compute jump
 555         destination here.
 556         (ix86_gimplify_va_arg): Update alignment needed.
 557         (ix86_local_alignment): Do not align all local arrays to 128bit.
 558
 559 2010-04-17  Jan Hubicka  <jh@suse.cz>
 560
 561         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
 562
 563 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
 564
 565         * arm.md (negdi2): Remove redundant code to force values into a
 566         register.
 567
 568 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
 569
 570         * arm/bpabi.S: Add EABI alignment attributes to objects.
 571         * arm/bpabi-v6m.S: Likewise.
 572         * arm/crti.asm: Likewise.
 573         * arm/crtn.asm: Likewise.
 574         * arm/lib1funcs.asm: Likewise.
 575         * arm/libunwind.S: Likewise.
 576
 577 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
 578
 579         * arm-protos.h (tune_params): New structure.
 580         * arm.c (current_tune): New variable.
 581         (arm_constant_limit): Delete.
 582         (struct processors): Add pointer to the tune parameters.
 583         (arm_slowmul_tune): New tuning option.
 584         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
 585         (all_cores): Adjust to pick up the tuning model.
 586         (arm_constant_limit): New function.
 587         (arm_override_options): Select the appropriate tuning model.  Delete
 588         initialization of arm_const_limit.
 589         (arm_split_constant): Use the new constant-limit model.
 590         (arm_rtx_costs): Pick up the current tuning model.
 591         * arm.md (is_strongarm, is_xscale): Delete.
 592         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
 593         for Xscale variant architectures.
 594         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
 595
 596 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
 597
 598         * config/arm/arm.c (arm_gen_constant): Remove unused variable
 599         can_shift.
 600         (arm_rtx_costs_1): Remove unused variable extra_cost.
 601         (arm_unwind_emit_set): Use variable offset.
 602         (thumb1_output_casesi): Remove unused variable flags.
 603
 604 2010-04-16  Jeff Law  <law@redhat.com>
 605
 606         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
 607         needing assignment rather than doing a two-phase assignment.  Remove
 608         unused variable 'm'.
 609
 610 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
 611
 612         PR bootstrap/43767
 613         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
 614
 615 2010-04-16  Doug Kwan  <dougkwan@google.com>
 616
 617         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
 618         (next_operand_entry_id): New static variable.
 619         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
 620         (add_to_ops_vec): Assigned unique ID to operand entry.
 621         (struct oecount_s): New field ID.
 622         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
 623         (undistribute_ops_list): Assign unique IDs to oecounts.
 624         (init_reassoc): reset next_operand_entry_id.
 625
 626 2010-04-16  Doug Kwan  <dougkwan@google.com>
 627
 628         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
 629         missing left parenthesis.
 630
 631 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
 632
 633         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
 634         *btdi_rex64 using SWI48 mode iterator.
 635         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
 636         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
 637         *jcc_btdi_mask_rex64.
 638
 639 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
 640
 641         * double-int.h (tree_to_double_int): Convert to macro.
 642         * double-int.c (tree_to_double_int): Remove.
 643
 644 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
 645
 646         PR debug/43762
 647         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
 648         with want_address 2 and in case a single element list might be
 649         possible, call it again with want_address 0.
 650
 651 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
 652
 653         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
 654         case 'W' print operands for HI mode.
 655         * config/h8300/h8300.h (Y0, Y2) : New constraints.
 656         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
 657         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
 658         * config/h8300/predicate.md (bit_register_indirect_operand): New.
 659
 660         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
 661
 662         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
 663         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
 664         #xx:3 and #xx:4 mode.
 665
 666         * config/h8300/h8300.md (inverted load with HImode dest): Add
 667         support for H8300SX.
 668
 669         * config/h8300/predicate.md (bit_operand): Allow immediate values that
 670         satisfy 'U' constraint.
 671
 672 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 673
 674         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
 675         * configure: Regenerate.
 676         * config.in: Regenerate.
 677         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
 678         works.
 679
 680 2010-04-16  Richard Guenther  <rguenther@suse.de>
 681
 682         * tree.h (struct tree_decl_minimal): Move pt_uid ...
 683         (struct tree_decl_common): ... here.
 684         (DECL_PT_UID): Adjust.
 685         (SET_DECL_PT_UID): Likewise.
 686         (DECL_PT_UID_SET_P): Likewise.
 687
 688 2010-04-16  Richard Guenther  <rguenther@suse.de>
 689
 690         PR tree-optimization/43572
 691         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
 692         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
 693         * tree-flow.h (is_call_clobbered): Remove.
 694         * tree-flow-inline.h (is_call_clobbered): Likewise.
 695         * tree-dfa.c (dump_variable): Do not dump call clobber state.
 696         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
 697         (execute_return_slot_opt): Adjust.
 698         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
 699         check for call clobbered vars here.
 700         (find_tail_calls): Move tailcall verification to the
 701         proper place.
 702
 703 2010-04-16  Diego Novillo  <dnovillo@google.com>
 704
 705         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
 706
 707 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
 708
 709         PR target/40603
 710         * config/arm/arm.md (cbranchqi4): New pattern.
 711         * config/arm/predicates.md (const0_operand,
 712         cbranchqi4_comparison_operator): New predicates.
 713
 714 2010-04-16  Richard Guenther  <rguenther@suse.de>
 715
 716         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
 717         (dump_gimple_stmt): Likewise.
 718
 719 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
 720
 721         * recog.h (struct recog_data): New field is_operator.
 722         (struct insn_operand_data): New field is_operator.
 723         * recog.c (extract_insn): Set recog_data.is_operator.
 724         * genoutput.c (output_operand_data): Emit code to set the
 725         is_operator field.
 726         * reload.c (find_reloads): Use it rather than testing for an
 727         empty constraint string.
 728
 729         PR target/41514
 730         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
 731         If the previous insn is a cbranchsi4_insn with the same arguments,
 732         omit the compare instruction.
 733
 734         * config/arm/arm.md (addsi3_cbranch): If destination is a high
 735         register, inputs must be low registers and we need a low register
 736         scratch.  Handle alternative 2 like alternative 3.
 737
 738 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
 739
 740         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
 741         don't call get_addr on both.  If one expression is a VALUE and
 742         the other a REG, check VALUE's locs if the REG isn't among them.
 743
 744 2010-04-16  Christian Bruel  <christian.bruel@st.com>
 745
 746         * config/sh/sh.h (sh_frame_pointer_required): New function.
 747         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
 748         (flag_omit_frame_pointer) Set.
 749         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
 750         (rounded_frame_size): Adjust size with outgoing_args_size.
 751         (sh_set_return_address): Must return from stack pointer.
 752         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
 753         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
 754         (ACCUMULATE_OUTGOING_ARGS): Define.
 755         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
 756         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
 757
 758 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
 759
 760         PR target/43471
 761         * config/sh/sh.c (sh_legitimize_reload_address): Use
 762         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
 763         Remove a unneeded check for offset_base.
 764
 765 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
 766
 767         * configure: Regenerated.
 768
 769 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 770
 771         * config/s390/s390.c (s390_call_save_register_used): Switch back
 772         to HARD_REGNO_NREGS.
 773
 774 2010-04-15  Richard Guenther  <rguenther@suse.de>
 775
 776         * alias.c (alias_set_subset_of): Handle alias-set zero
 777         child properly.
 778
 779 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
 780             Julian Brown  <julian@codesourcery.com>
 781
 782         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
 783         alternatives according to use of high and low regs.
 784         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
 785         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
 786         optimizing for size on Thumb-2.
 787
 788 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
 789
 790         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
 791
 792 2010-04-15  Richard Guenther  <rguenther@suse.de>
 793
 794         * tree-ssa-structalias.c (struct variable_info): Add
 795         is_fn_info flag.
 796         (new_var_info): Initialize it.
 797         (dump_constraints): Support printing last added constraints.
 798         (debug_constraints): Adjust.
 799         (dump_constraint_graph): Likewise.
 800         (make_heapvar_for): Check for NULL cfun.
 801         (get_function_part_constraint): New function.
 802         (get_fi_for_callee): Likewise.
 803         (find_func_aliases): Properly implement IPA PTA constraints.
 804         (process_ipa_clobber): New function.
 805         (find_func_clobbers): Likewise.
 806         (insert_into_field_list_sorted): Remove.
 807         (create_function_info_for): Properly allocate vars for IPA mode.
 808         Do not use insert_into_field_list_sorted.
 809         (create_variable_info_for): Properly generate constraints for
 810         global vars in IPA mode.
 811         (dump_solution_for_var): Always dump the solution.
 812         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
 813         (find_what_var_points_to): Adjust.
 814         (pt_solution_set): Change.
 815         (pt_solution_ior_into): New function.
 816         (pt_solution_empty_p): Export.
 817         (pt_solution_includes_global): Adjust.
 818         (pt_solution_includes_1): Likewise.
 819         (pt_solutions_intersect_1): Likewise.
 820         (dump_sa_points_to_info): Check some invariants.
 821         (solve_constraints): Move constraint dumping ...
 822         (compute_points_to_sets): ... here.
 823         (ipa_pta_execute): ... and here.
 824         (compute_may_aliases): Do not re-compute points-to info
 825         locally if IPA info is available.
 826         (ipa_escaped_pt): New global var.
 827         (ipa_pta_execute): Properly implement IPA PTA.
 828         * tree-into-ssa.c (dump_decl_set): Support dumping
 829         decls not in referenced-vars.
 830         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
 831         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
 832         (dump_points_to_solution): Likewise.
 833         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
 834         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
 835         (remap_gimple_stmt): Reset call clobber/use information if necessary.
 836         (copy_decl_to_var): Copy DECL_PT_UID.
 837         (copy_result_decl_to_var): Likewise.
 838         * tree.c (make_node_stat): Initialize DECL_PT_UID.
 839         (copy_node_stat): Copy it.
 840         * tree.h (DECL_PT_UID): New macro.
 841         (SET_DECL_PT_UID): Likewise.
 842         (DECL_PT_UID_SET_P): Likewise.
 843         (struct tree_decl_minimal): Add pt_uid member.
 844         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
 845         (pt_solution_empty_p): Declare.
 846         (pt_solution_set): Adjust.
 847         (ipa_escaped_pt): Declare.
 848         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
 849         * gimple-pretty-print.c (pp_points_to_solution): New function.
 850         (dump_gimple_call): Dump call clobber/use information.
 851         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
 852         * tree-pass.h (TDF_ALIAS): New dump option.
 853         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
 854         * doc/invoke.texi (-fipa-pta): Update documentation.
 855
 856 2010-04-15  Richard Guenther  <rguenther@suse.de>
 857
 858         * Makefile.in (OBJS-common): Add gimple-fold.o.
 859         (gimple-fold.o): New rule.
 860         * tree.h (maybe_fold_offset_to_reference,
 861         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
 862         prototypes ...
 863         * gimple.h: ... here.
 864         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
 865         may_propagate_address_into_dereference): Move prototypes ...
 866         * gimple.h: ... here.
 867         * tree-ssa-ccp.c (get_symbol_constant_value,
 868         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
 869         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
 870         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
 871         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
 872         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
 873         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
 874         gimplify_and_update_call_from_tree): Move ...
 875         * gimple-fold.c: ... here.  New file.
 876         (ccp_fold_builtin): Rename to ...
 877         (gimple_fold_builtin): ... this.
 878         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
 879
 880 2010-04-15  Richard Guenther  <rguenther@suse.de>
 881
 882         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
 883         fit_double_type, force_fit_type_double, add_double_with_sign,
 884         neg_double, mul_double_with_sign, lshift_double, rshift_double,
 885         lrotate_double, rrotate_double, div_and_round_double): Move ...
 886         * double-int.c: ... here.
 887         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
 888         add_double, neg_double, mul_double_with_sign, mul_double,
 889         lshift_double, rshift_double, lrotate_double, rrotate_double,
 890         div_and_round_double): Move prototypes ...
 891         * double-int.h: ... here.
 892
 893 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
 894
 895         PR target/43742
 896         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
 897         matching constraints to ensure inputs match the output.
 898
 899 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
 900
 901         PR target/43742
 902         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
 903         in an input-only operand.
 904
 905 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
 906
 907         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
 908         (double_int_not, double_int_lshift, double_int_rshift): Declare.
 909         (double_int_negative_p): Convert to static inline function.
 910         * double-int.c (double_int_lshift, double_int_lshift): Add new function.
 911         (double_int_negative_p): Remove.
 912         * tree.h (lshift_double, rshift_double):
 913         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
 914         * fold-const.c (fold_convert_const_int_from_real,
 915         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
 916         (lshift_double): Change type of arith argument to bool.
 917         (rshift_double): Change type of arith argument to bool. Correct
 918         comment.
 919         * expmed.c (mask_rtx, lshift_value): (Ditto.).
 920
 921 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
 922
 923         PR target/21803
 924         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
 925         at the start and end of the then/else blocks, and omit them from the
 926         conversion.
 927         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
 928         argument; all callers changed.  Pass zero to old_insns_match_p instead.
 929         (flow_find_head_matching_sequence): New function.
 930         (old_insns_match_p): Check REG_EH_REGION notes for calls.
 931         * basic-block.h (flow_find_cross_jump,
 932         flow_find_head_matching_sequence): Declare functions.
 933
 934 2010-04-14  Jason Merrill  <jason@redhat.com>
 935
 936         PR c++/36625
 937         * c-common.c (attribute_takes_identifier_p): New fn.
 938         * c-common.h: Declare it.
 939
 940 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
 941
 942         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
 943         splitter condition.
 944         (*udivmod<mode>4): Ditto.
 945
 946 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
 947
 948         * config/i386/i386.md (maxmin_int): Rename code attribute from
 949         maxminiprefix and update all users.
 950         (maxmin_float): Ditto from maxminfprefix.
 951         (logic): Ditto from logicprefix.
 952         (absneg_mnemonic): Ditto from absnegprefix.
 953         * config/i386/mmx.md: Update all users of maxminiprefix,
 954         maxminfprefix and logicprefix for rename.
 955         * config/i386/sse.md: Ditto.
 956         * config/i386/sync.md (sync_<code><mode>): Update for
 957         logicprefix rename.
 958
 959 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
 960
 961         PR 42966
 962         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
 963         warnings converted to errors.
 964
 965 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
 966
 967         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
 968         used insn_type variable.
 969         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
 970         to avoid set-but-not-used warning.
 971
 972 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
 973
 974         * df-core.c (df_ref_debug): Change format string placeholder
 975         from 0x%x to %#x.
 976         * dwarf2asm.c (dw2_asm_output_data_raw,
 977         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
 978         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
 979         * dwarf2out.c (output_cfi, output_cfi_directive,
 980         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
 981         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
 982         Ditto.
 983         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
 984         * print-rtl.c (print_rtx): Ditto.
 985
 986 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
 987
 988         PR middle-end/42694
 989         * builtins.c (expand_builtin_pow_root): New function to expand pow
 990         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
 991         series of sqrt and cbrt calls under -ffast-math.
 992         (expand_builtin_pow): Call it.
 993
 994 2010-04-14  Michael Matz  <matz@suse.de>
 995
 996         PR tree-optimization/42963
 997         * tree-cfg.c (touched_switch_bbs): New static variable.
 998         (group_case_labels_stmt): New function broken out from ...
 999         (group_case_labels): ... here, use the above.
1000         (start_recording_case_labels): Allocate touched_switch_bbs.
1001         (end_recording_case_labels): Deallocate it, call
1002         group_case_labels_stmt.
1003         (gimple_redirect_edge_and_branch): Remember index of affected BB.
1004
1005 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1006
1007         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1008         from insn template.
1009
1010 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1011
1012         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1013
1014 2010-04-13  Jan Hubicka  <jh@suse.cz>
1015
1016         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1017         of optimized out static functions.
1018         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1019         cost computation.  Also sanity check for overflows.
1020         (update_caller_keys): Update cgraph_edge_badness call; properly
1021         update fibheap and sanity check that it is up to date.
1022         (add_new_edges_to_heap): Update cgraph_edge_badness.
1023         (cgraph_decide_inlining_of_small_function): Likewise;
1024         add sanity checking that badness in heap is up to date;
1025         improve dumping of reason; Update badness of calls to the
1026         offline copy of function currently inlined; dump badness
1027         of functions not inlined because of unit growth limits.
1028
1029 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1030
1031         PR middle-end/32628
1032         * c-common.c (pointer_int_sum): Disregard overflow that occured only
1033         because of sign-extension change when converting to sizetype here...
1034         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1035
1036         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
1037         the folding to constants.  Remove redundant final conversion.
1038         (fold_binary) <associate>: Do not associate if the re-association of
1039         constants alone overflows.
1040         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
1041         to the end of the list.
1042         (multiple_of_p) <COND_EXPR>: New case.
1043
1044 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1045
1046         * opt-functions.awk (opt_sanitized_name): New.
1047         (opt_enum): New.
1048         * optc-gen.awk: Use it
1049         * opth-gen.awk: Use it.
1050
1051 2010-04-13  Martin Jambor  <mjambor@suse.cz>
1052
1053         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
1054         (sra_modify_assign): Delete stmts loading dead data even if racc has no
1055         children.  Call replace_uses_with_default_def_ssa_name to handle
1056         SSA_NAES on lhs.
1057
1058 2010-04-13  Michael Matz  <matz@suse.de>
1059
1060         PR middle-end/43730
1061         * builtins.c (expand_builtin_interclass_mathfn): Also create
1062         a register if the predicate doesn't match.
1063
1064 2010-04-13  Diego Novillo  <dnovillo@google.com>
1065
1066         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
1067         * c-pch.c: Include timevar.h.
1068         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
1069         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
1070         * ggc-common.c: Include timevar.h.
1071         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
1072         * timevar.def (TV_PCH_SAVE): Define.
1073         (TV_PCH_CPP_SAVE): Define.
1074         (TV_PCH_PTR_REALLOC): Define.
1075         (TV_PCH_PTR_SORT): Define.
1076         (TV_PCH_RESTORE): Define.
1077         (TV_PCH_CPP_RESTORE): Define.
1078
1079 2010-04-13  Michael Matz  <matz@suse.de>
1080
1081         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
1082         into MINUS_EXPRs.
1083         (can_reassociate_p): New function.
1084         (break_up_subtract_bb, reassociate_bb): Use it.
1085
1086 2010-04-13  Richard Guenther  <rguenther@suse.de>
1087
1088         PR bootstrap/43737
1089         * builtins.c (c_readstr): Fix assert.
1090
1091 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
1092
1093         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
1094         when generating cltd insn.
1095
1096         (*ashl<mode>3_1): Remove special handling for register operand 2.
1097         (*ashlsi3_1_zext): Ditto.
1098         (*ashlhi3_1): Ditto.
1099         (*ashlhi3_1_lea): Ditto.
1100         (*ashlqi3_1): Ditto.
1101         (*ashlqi3_1_lea): Ditto.
1102         (*<shiftrt_insn><mode>3_1): Ditto.
1103         (*<shiftrt_insn>si3_1_zext): Ditto.
1104         (*<shiftrt_insn>qi3_1_slp): Ditto.
1105         (*<rotate_insn><mode>3_1): Ditto.
1106         (*<rotate_insn>si3_1_zext): Ditto.
1107         (*<rotate_insn>qi3_1_slp): Ditto.
1108
1109 2010-04-13  Richard Guenther  <rguenther@suse.de>
1110
1111         * tree-ssa-structalias.c (callused_id): Remove.
1112         (call_stmt_vars): New.
1113         (get_call_vi): Likewise.
1114         (lookup_call_use_vi): Likewise.
1115         (lookup_call_clobber_vi): Likewise.
1116         (get_call_use_vi): Likewise.
1117         (get_call_clobber_vi): Likewise.
1118         (make_transitive_closure_constraints): Likewise.
1119         (handle_const_call): Adjust to do per-call call-used handling.
1120         (handle_pure_call): Likewise.
1121         (find_what_var_points_to): Remove general callused handling.
1122         (init_base_vars): Likewise.
1123         (init_alias_vars): Initialize call_stmt_vars.
1124         (compute_points_to_sets): Process call-used and call-clobbered
1125         vars for call statements.
1126         (delete_points_to_sets): Free call_stmt_vars.
1127
1128 2010-04-13  Richard Guenther  <rguenther@suse.de>
1129
1130         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1131         Only add RW dependence for dependence distance zero.
1132         Adjust maximal vectorization factor according to dependences.
1133         Move alignment handling ...
1134         (vect_find_same_alignment_drs): ... here.  New function.
1135         (vect_analyze_data_ref_dependences): Adjust.
1136         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
1137         (vect_analyze_data_refs): Adjust minimal vectorization factor
1138         according to data references.
1139         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
1140         dependences before determining the vectorization factor.
1141         Analyze alignment after determining the vectorization factor.
1142         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
1143         dependences before alignment.
1144         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
1145         Adjust prototype.
1146         (vect_analyze_data_refs): Likewise.
1147         (MAX_VECTORIZATION_FACTOR): New define.
1148
1149 2010-04-13  Duncan Sands  <baldrick@free.fr>
1150
1151         * except.h (lang_eh_type_covers): Remove.
1152         * except.c (lang_eh_type_covers): Likewise.
1153
1154 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1155             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1156
1157         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
1158         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
1159         UNITS_PER_LONG where it is ABI relevant.
1160         (s390_return_addr_rtx): Likewise.
1161         (s390_back_chain_rtx): Likewise.
1162         (s390_frame_area): Likewise.
1163         (s390_frame_info): Likewise.
1164         (s390_initial_elimination_offset): Likewise.
1165         (save_gprs): Likewise.
1166         (s390_emit_prologue): Likewise.
1167         (s390_emit_epilogue): Likewise.
1168         (s390_function_arg_advance): Likewise.
1169         (s390_function_arg): Likewise.
1170         (s390_va_start): Likewise.
1171         (s390_gimplify_va_arg): Likewise.
1172         (s390_function_profiler): Likewise.
1173         (s390_optimize_prologue): Likewise.
1174         (s390_rtx_costs): Likewise.
1175         (s390_secondary_reload): Likewise.
1176         (s390_promote_function_mode): Likewise.
1177         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
1178         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
1179         registers available.
1180         (s390_unwind_word_mode): New function.
1181         (s390_function_value): Split 64 bit values into register pair if
1182         used as return value.
1183         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
1184         function call parameters.  Handle parallels.
1185         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
1186         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
1187         (DWARF_CIE_DATA_ALIGNMENT): New macro.
1188         (s390_expand_setmem): Remove unused variable src_addr.
1189         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
1190         deal with 64 bit registers.
1191         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
1192         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
1193         (UNITS_PER_LONG): New macro.
1194         * libjava/include/s390-signal.h: Define extended ucontext
1195         structure containing the upper halfs of the 64 bit registers.
1196
1197 2010-04-13  Simon Baldwin  <simonb@google.com>
1198
1199         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
1200
1201 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1202
1203         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
1204         rvalue on the RHS if the LHS is of a non-renamable type.
1205         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
1206
1207 2010-04-13  Matthias Klose  <doko@ubuntu.com>
1208
1209         * gcc.c (cc1_options): Handle -iplugindir before processing
1210         the cc1 spec. Only add -iplugindir once.
1211         (cpp_unique_options): Add -iplugindir option if -fplugin* options
1212         found.
1213         * common.opt (iplugindir): Remove `Separate' property, initialize.
1214         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
1215         option.
1216         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
1217         (distclean): Remove plugin dir.
1218         * doc/invoke.texi: Document -iplugindir.
1219
1220 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
1221
1222         * doc/plugins.texi (Loading Plugins): Document short
1223         -fplugin=foo option.
1224         (Plugin API): Mention default_plugin_dir_name function.
1225
1226         * gcc.c (find_file_spec_function): Add new declaration.
1227         (static_spec_func): Use it for "find-file".
1228         (find_file_spec_function): Add new function.
1229         (cc1_options): Add -iplugindir option if -fplugin* options found.
1230
1231         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
1232
1233         * plugin.c (add_new_plugin): Updated comment, and handle short
1234         plugin name.
1235         (default_plugin_dir_name): Added new function.
1236
1237         * common.opt (iplugindir): New option to set the plugin directory.
1238
1239 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
1240
1241         * config/i386/i386.md (any_rotate): New code iterator.
1242         (rotate_insn): New code attribute.
1243         (rotate): Ditto.
1244         (SWIM124): New mode iterator.
1245         (<rotate_insn>ti3): New expander.
1246         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
1247         any_rotate code iterator.
1248         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
1249         using any_rotate code iterator and SWIM124 mode iterator.
1250         (ix86_rotlti3): New insn_and_split pattern.
1251         (ix86_rotrti3): Ditto.
1252         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
1253         ix86_rotl{di,ti}3 patterns.
1254         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
1255         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
1256         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
1257         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
1258         code iterator and SWI mode iterator.
1259         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
1260         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
1261         code iterator.
1262         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
1263         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
1264         (bswap rotatert splitter): Add splitter.
1265         (bswap splitter): Macroize splitter using any_rotate code iterator.
1266         Add insn predicate to split only for TARGET_USE_XCHGB or when
1267         optimizing function for size.
1268
1269 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1270
1271         * config/pa/pa.c (emit_move_sequence): Remove use of
1272         deleted variable flag_argument_noalias.
1273
1274 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1275
1276         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
1277         configurations.
1278         Add to unsupported targets list.
1279         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
1280         sparc*-sun-solaris2.[567]* from target lists.
1281         * configure: Regenerate.
1282         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
1283         removal.
1284         Remove Solaris 7 patch references.
1285         (Specific, sparc-sun-solaris2.7): Removed.
1286         (sparc-sun-solaris2*): Update Solaris 7 example.
1287         (sparc64-*-solaris2*): Likewise.
1288
1289 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1290
1291         * config.build (alpha*-dec-osf4*): Remove.
1292         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
1293         of obsolete configurations.
1294         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
1295         support.
1296         * config/alpha/t-osf4: Renamed to ...
1297         * config/alpha/t-osf5: ... this.
1298         * config/alpha/osf.h: Renamed to ...
1299         * config/alpha/osf5.h: ... this.
1300         Merged old osf5.h contents.
1301         Update comments.
1302         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
1303         (EXTRA_SPECS): Removed.
1304         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
1305         reflect removal of Tru64 UNIX V4.0/V5.0 support.
1306         Document that.
1307
1308 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1309
1310         * doc/contrib.texi (Contributors, Rainer Orth): Update.
1311
1312 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
1313
1314         PR/43702
1315         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
1316         __thiscall convention.
1317
1318 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1319
1320         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
1321         orig_base.
1322         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
1323
1324 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1325
1326         * function.c (assign_parms_initialize_all): Add unused attribute
1327         to fntype.
1328
1329 2010-04-12  Richard Guenther  <rguenther@suse.de>
1330
1331         * gsstruct.def (GSS_CALL): New.
1332         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
1333         * gimple.h: Include tree-ssa-alias.h.
1334         (struct gimple_statement_call): New.
1335         (union gimple_statement_struct_d): Add gimple_call member.
1336         (gimple_call_reset_alias_info): Declare.
1337         (gimple_call_use_set): New function.
1338         (gimple_call_clobber_set): Likewise.
1339         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
1340         * gimple.c (gimple_call_reset_alias_info): New function.
1341         (gimple_build_call_1): Call it.
1342         * lto-streamer-in.c (input_gimple_stmt): Likewise.
1343         * tree-inline.c (remap_gimple_stmt): Likewise.
1344         (expand_call_inline): Remove callused handling.
1345         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
1346         * tree-dfa.c (dump_variable): Likewise.
1347         * tree-parloops.c (parallelize_loops): Likewise.
1348         * tree-ssa.c (init_tree_ssa): Likewise.
1349         (delete_tree_ssa): Likewise.
1350         * tree-flow-inline.h (is_call_used): Remove.
1351         * tree-flow.h (struct gimple_df): Remove callused member.
1352         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
1353         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
1354         (ref_maybe_used_by_call_p_1): Simplify.
1355         (call_may_clobber_ref_p_1): Likewise.
1356         * tree-ssa-structalias.c (compute_points_to_sets): Set
1357         the call stmt used and clobbered sets.
1358         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
1359         (find_tail_calls): Verify the tail call.
1360
1361 2010-04-12  Richard Guenther  <rguenther@suse.de>
1362
1363         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
1364         single-iteration always-inline inlining.
1365         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
1366         (cgraph_decide_inlining): Do not handle always-inline specially.
1367         (try_inline): Remove always-inline cycle detection special case.
1368         Do not recurse on always-inlines.
1369         (cgraph_early_inlining): Do not iterate if not optimizing.
1370         (cgraph_gate_early_inlining): remove.
1371         (pass_early_inline): Run unconditionally.
1372         (gate_cgraph_decide_inlining): New function.
1373         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
1374         not inlining or optimizing.
1375         (cgraph_decide_inlining_of_small_functions): Also consider
1376         always-inline functions.
1377         (cgraph_default_inline_p): Return true for nodes which should
1378         disregard inline limits.
1379         (estimate_function_body_sizes): Assume zero size and time for
1380         nodes which are marked as disregarding inline limits.
1381         (cgraph_decide_recursive_inlining): Do not perform recursive
1382         inlining on always-inline nodes.
1383
1384 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
1385
1386         PR bootstrap/43699
1387         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
1388         for exprs satisfying handled_component_p.
1389
1390 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
1391
1392         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
1393         non-constant aggregate elements.
1394
1395         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
1396         is a real initialization.
1397
1398 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
1399
1400         PR c/36774
1401         * c-decl.c (start_function): Move forward check for nested function.
1402
1403 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
1404
1405         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
1406         * config/sh/sh.c: Include reload.h.
1407         (sh_legitimize_reload_address): New.
1408         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
1409         sh_legitimize_reload_address.
1410
1411 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1412
1413         * config/sh/sh.md (*movqi_pop): New insn pattern.
1414         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
1415
1416 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1417
1418         * config/i386/i386.md (any_shiftrt): New code iterator.
1419         (shiftrt_insn): New code attribute.
1420         (shiftrt): Ditto.
1421         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
1422         using any_shiftrt code iterator.
1423         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
1424         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
1425         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
1426         pattern from corresponding peephole2 patterns.
1427         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
1428         using any_shiftrt code iterator.
1429         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
1430         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
1431         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
1432         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
1433         *{ashr,lshr}<mode>3_cmp_zext.
1434         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
1435
1436 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1437
1438         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
1439         scratch register.
1440         (*lshr<mode>3_cconly): Ditto.
1441
1442 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1443
1444         * config/i386/i386.md (lshr<mode>3): Macroize expander from
1445         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1446         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1447         pattern from *lshr{di,ti}3_1 and corresponding splitters using
1448         DWI mode iterator.
1449         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1450         from corresponding peephole2 patterns.
1451         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
1452         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
1453         and *lshrdi3_1_rex64 using SWI mode iterator.
1454         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
1455         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
1456         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
1457         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
1458         and *lshrdi3_cmp_rex64 using SWI mode iterator.
1459         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
1460         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
1461         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
1462         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
1463         SWI mode iterator.
1464
1465 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
1466
1467         * config/i386/i386.md (ashr<mode>3): Macroize expander from
1468         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1469         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1470         pattern from *ashr{di,ti}3_1 and corresponding splitters using
1471         DWI mode iterator.
1472         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1473         from corresponding peephole2 patterns.
1474         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
1475         (ashrsi3_cvt): Rename from ashrsi3_31.
1476         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
1477         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
1478         and x86_64_shift_adj_3 using SWI48 mode iterator.
1479         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
1480         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
1481         and *ashrdi3_1_rex64 using SWI mode iterator.
1482         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
1483         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
1484         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
1485         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
1486         and *ashrdi3_cmp_rex64 using SWI mode iterator.
1487         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
1488         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
1489         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
1490         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
1491         SWI mode iterator.
1492         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
1493         * config/i386/i386.c (ix86_split_ashr): Update for renamed
1494         x86_shift<mode>_adj_3 expanders.
1495
1496 2010-04-10  Wei Guozhi  <carrot@google.com>
1497
1498         PR target/42601
1499         * config/arm/arm.c (arm_pic_static_addr): New function.
1500         (legitimize_pic_address): Call arm_pic_static_addr when it detects
1501         a static symbol.
1502         (arm_output_addr_const_extra): Output expression for new pattern.
1503         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
1504
1505 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
1506
1507         * ira-costs.c (record_reg_classes): Ignore alternatives that are
1508         not enabled.
1509
1510         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
1511         * web.c: Include "insn-config.h" and "recog.h".
1512         (union_match_dups): New function.
1513         (web_main): Call it.
1514         (union_defs): Don't try to recognize match_dups.
1515
1516         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
1517         if doing so would replace the entire pattern.
1518
1519 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
1520
1521         PR target/43707
1522         PR target/43709
1523         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
1524         and splitter pattern.  Change splitter operand 1 predicate to
1525         nonmemory_operand.
1526
1527 2010-04-09  Martin Jambor  <mjambor@suse.cz>
1528
1529         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
1530         lattices are addresses of CONST_DECLs with the same initial value.
1531         (ipcp_print_all_lattices): Print values of CONST_DECLs.
1532         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
1533
1534 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
1535             Bernd Schmidt  <bernds@codesourcery.com>
1536
1537         * loop-invariant.c (replace_uses): New static function.
1538         (move_invariant_reg): Use it to ensure we can replace the uses.
1539
1540 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
1541
1542         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
1543         function template.
1544         (picochip_override_options): Enable section anchors only above -O1.
1545         (picochip_reorg): Fixed a couple of build warnings.
1546
1547 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1548
1549         * configure.ac (plugin -rdynamic test): Log result.
1550         * configure: Regenerate.
1551         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
1552         (RDYNAMIC_SPEC): Define.
1553         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
1554
1555 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1556
1557         * configure.ac: Determine Sun ld version numbers.
1558         (comdat_group): Restrict GNU ld version checks to gld.
1559         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
1560         (enable_comdat): Support --enable-comdat.
1561         * configure: Regenerate.
1562         * doc/install.texi (Configuration): Document --enable-comdat.
1563
1564 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1565
1566         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
1567         * config/sol2-gld.h: ... here.
1568         * config.gcc (sparc*-*-solaris2*): Reflect this.
1569         (i[34567]86-*-solaris2*): Use it.
1570
1571 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
1572
1573         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
1574         setup_clocks_p.
1575         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
1576
1577 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1578
1579         PR 42965
1580         * diagnostic.c (diagnostic_initialize): Initialize
1581         some_warnings_are_errors.
1582         (diagnostic_finish): New.
1583         (diagnostic_action_after_output): Call it before exiting.
1584         (diagnostic_report_diagnostic): Do not print message here. Set
1585         some_warnings_are_errors.
1586         * diagnostic.h (diagnostic_context): Delete
1587         issue_warnings_are_errors_message. Add some_warnings_are_errors.
1588         (diagnostic_finish): Declare.
1589         * toplev.c (toplev_main): Call it before exit.
1590
1591 2010-04-09  Jason Merrill  <jason@redhat.com>
1592
1593         PR c++/42623
1594         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
1595         for incomplete type.
1596
1597         PR c++/41788
1598         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
1599         based on a warning flag.
1600
1601 2010-04-09  Richard Guenther  <rguenther@suse.de>
1602
1603         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
1604
1605 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
1606
1607         PR bootstrap/43684
1608         * varasm.c (default_assemble_visibility): Wrap vars that are
1609         set, but unused, by targets without GAS.
1610         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
1611         Remove set, but unused, vars.
1612         (rs6000_legitimize_tls_address): Likewise.
1613         (altivec_expand_dst_builtin): Likewise.
1614         * config/darwin.c (machopic_classify_symbol): Likewise.
1615         (machopic_indirection_name): Likewise.
1616
1617 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
1618
1619         * config/i386/i386.md (DWI): New mode iterator.
1620         (S): New mode attribute.
1621         (shift_operand): Ditto.
1622         (shift_immediate_operand): Ditto.
1623         (ashl_input_operand): Ditto.
1624         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
1625         using SDWIM mode iterator.
1626         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1627         pattern from *ashl{di,ti}3_1 and corresponding splitters using
1628         DWI mode iterator.
1629         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
1630         from corresponding peephole2 patterns.
1631         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
1632         and x86_64_shift_adj_1 using SWI48 mode iterator.
1633         (x86_shift<mode>_adj_2): Ditto.
1634         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
1635         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
1636         using SWI48 mode iterator.
1637         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
1638         *ashldi3_cmp_rex64 using SWI mode iterator.
1639         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
1640         *ashldi3_cconly_rex64 using SWI mode iterator.
1641         * config/i386/i386.c (ix86_split_ashl): Update for renamed
1642         x86_shift<mode>_adj_{1,2}.
1643         (ix86_split_ashr): Ditto.
1644         (ix86_split_lshr): Ditto.
1645
1646 2010-04-09  Richard Guenther  <rguenther@suse.de>
1647
1648         * target.h (builtin_conversion): Pass in input and output types.
1649         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
1650         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
1651         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
1652         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
1653
1654         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
1655         Handle AVX modes.
1656         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
1657
1658 2010-04-09  Richard Guenther  <rguenther@suse.de>
1659
1660         PR target/43152
1661         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
1662
1663 2010-04-09  Richard Guenther  <rguenther@suse.de>
1664
1665         * tree-vectorizer.h (struct _stmt_vec_info): Document
1666         that vectype is the type of the LHS.
1667         (supportable_widening_operation, supportable_narrowing_operation):
1668         Get both input and output vector types as arguments.
1669         (vect_is_simple_use_1): Declare.
1670         (get_same_sized_vectype): Likewise.
1671         * tree-vect-loop.c (vect_determine_vectorization_factor):
1672         Set STMT_VINFO_VECTYPE to the vector type of the def.
1673         (vectorizable_reduction): Adjust.
1674         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
1675         Adjust.  Specify the output vector type.
1676         (vect_pattern_recog_1): Adjust.
1677         * tree-vect-stmts.c (get_same_sized_vectype): New function.
1678         (vectorizable_call): Adjust.
1679         (vectorizable_conversion): Likewise.
1680         (vectorizable_operation): Likewise.
1681         (vectorizable_type_demotion): Likewise.
1682         (vectorizable_type_promotion): Likewise.
1683         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
1684         the def.
1685         (vect_is_simple_use_1): New function.
1686         (supportable_widening_operation): Get both input and output
1687         vector types.
1688         (supportable_narrowing_operation): Likewise.
1689         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
1690
1691 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
1692
1693         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
1694         __thiscall and _thiscall as predefined macros.
1695         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
1696         thiscall attribute handling.
1697         (ix86_comp_type_attributes): Likewise.
1698         (ix86_function_regparm): Likewise.
1699         (ix86_return_pops_args): Likewise.
1700         (init_cumulative_args): Likewise.
1701         (find_drap_reg): Likewise.
1702         (ix86_static_chain): Likewise.
1703         (x86_this_parameter): Likewise.
1704         (x86_output_mi_thunk): Likewise.
1705         (ix86_attribute_table): Add description for thiscall attribute.
1706         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
1707         * doc/extend.texi: Add documentation for thiscall.
1708
1709 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1710
1711         PR c++/28584
1712         * c.opt (Wint-to-pointer-cast): Available in C++.
1713         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
1714
1715 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
1716
1717         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
1718         * calls.c (expand_call): Pass the function type to aggregate_value_p.
1719         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
1720         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
1721         function type instead.  Reorder and simplify checks.
1722
1723         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
1724
1725 2010-04-08  Jing Yu  <jingyu@google.com>
1726             Zdenek Dvorak  <ook@ucw.cz>
1727
1728         PR tree-optimization/42720
1729         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
1730         loop unswitch conditions here from ...
1731         (tree_unswitch_single_loop): ... here.
1732
1733 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1734
1735         * tree-if-conv.c: Fix comments and simplify logic.
1736
1737 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1738
1739         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
1740         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
1741         (main_tree_if_conversion): Update call to tree_if_conversion.
1742
1743 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1744
1745         PR 42485
1746         * doc/invoke.texi (-b,-V): Delete.
1747         * doc/tm.texi: Do not mention -b.
1748         * gcc.c (display_help): Delete -b and -V.
1749         (process_command): Delete -b and -V.
1750         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
1751
1752 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
1753             Wolfgang Gellerich  <gellerich@de.ibm.com>
1754
1755         Implement target hook for loop unrolling
1756         * target.h (loop_unroll_adjust): Add a new target hook function.
1757         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
1758         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
1759         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
1760         (s390_loop_unroll_adjust): Implement the new target hook for s390.
1761         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
1762         target hook.
1763         (decide_unroll_stupid): Likewise.
1764
1765 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1766
1767         PR target/43643
1768         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
1769
1770 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1771
1772         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
1773         (Specific, *-*-solaris2*): Likewise.
1774         Don't prefer Sun as over GNU as.
1775
1776 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
1777
1778         * config/s390/s390.c (override_options): Adjust the z10
1779           defaults for max-unroll-times, max-completely-peeled-insns
1780           and max-completely-peel-times.
1781
1782 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1783
1784         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
1785         instructions for z10.
1786         (s390_expand_setmem): Likewise.
1787         (s390_expand_cmpmem): Likewise.
1788
1789 2010-04-08  Richard Guenther  <rguenther@suse.de>
1790
1791         PR tree-optimization/43679
1792         * tree-ssa-pre.c (eliminate): Only propagate copies.
1793
1794 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
1795
1796         PR bootstrap/43681
1797         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
1798         set but not used variable warning.
1799
1800 2010-04-08  Wei Guozhi  <carrot@google.com>
1801
1802         PR target/41653
1803         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
1804         (arm_size_rtx_costs): Call the new function when optimized for size.
1805
1806 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
1807
1808         PR debug/43670
1809         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
1810         op0 is not a MEM, just return NULL instead of assertion
1811         failure.
1812         (discover_nonconstant_array_refs): Don't walk debug stmts.
1813
1814 2010-04-08  Doug Kwan  <dougkwan@google.com>
1815
1816         * configure.ac: Recognize gold and do not use its version number
1817         to test ld features.
1818         * configure: Regenerate.
1819
1820 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
1821
1822         PR middle-end/40815
1823         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
1824         (negate_value): Move code to push elements to broken_up_substracts ...
1825         (eliminate_plus_minus_pair): ... here.  Push operands that have no
1826         negative pair to plus_negates.
1827         (repropagate_negates, init_reassoc, fini_reassoc): Update.
1828
1829 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1830
1831         * doc/install.texi (Configuration): Move description of
1832         --enable-lto, --with-libelf*, --enable-gold from Java section to
1833         general section.
1834
1835         * doc/generic.texi (Working with declarations)
1836         (Function Properties, C and C++ Trees): Fix typos.
1837         * doc/sourcebuild.texi (Top Level): Likewise.
1838
1839 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
1840
1841         PR c/18624
1842         * tree.h (DECL_READ_P): Define.
1843         (struct tree_decl_common): Add decl_read_flag.
1844         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
1845         a set but not used warning.
1846         (merge_decls): Merge DECL_READ_P flag.
1847         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
1848         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
1849         * c-common.c (handle_used_attribute, handle_unused_attribute):
1850         Likewise.
1851         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
1852         New prototypes.
1853         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
1854         New functions.
1855         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
1856         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
1857         c_parser_binary_expression, c_parser_cast_expression,
1858         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
1859         Call default_function_array_read_conversion instead of
1860         default_function_array_conversion where needed.
1861         (c_parser_unary_expression, c_parser_conditional_expression,
1862         c_parser_postfix_expression_after_primary, c_parser_initelt):
1863         Likewise.  Call mark_exp_read where needed.
1864         (c_parser_statement_after_labels, c_parser_asm_operands,
1865         c_parser_typeof_specifier, c_parser_sizeof_expression,
1866         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
1867         where needed.
1868         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
1869         New.
1870         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
1871         (warn_unused_but_set_parameter): Default to warn_unused
1872         && extra_warnings.
1873         * doc/invoke.texi: Document -Wunused-but-set-variable and
1874         -Wunused-but-set-parameter.
1875
1876         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
1877         used count variable.
1878         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
1879         when operandN variables aren't used in the body of the expander
1880         or splitter.
1881         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
1882         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
1883         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
1884         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
1885         FOR_EACH_IMM_USE_ON_STMT): Likewise.
1886         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
1887         * tree.c (PROCESS_ARG): Likewise.
1888
1889 2010-04-07  Simon Baldwin  <simonb@google.com>
1890
1891         * diagnostic.h (diagnostic_override_option_index): New macro to
1892         set a diagnostic's option_index.
1893         * c-tree.h (c_cpp_error): Add warning reason argument.
1894         * opts.c (_warning_as_error_callback): New.
1895         (register_warning_as_error_callback): Store callback for
1896         warnings enabled via enable_warning_as_error.
1897         (enable_warning_as_error): Call callback, minor code tidy.
1898         * opts.h (register_warning_as_error_callback): Declare.
1899         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
1900         response to -Werror=.
1901         (c_common_init_options): Register warning_as_error_callback in opts.c.
1902         * common.opt: Add -Wno-cpp option.
1903         * c-common.c (struct reason_option_codes_t): Map cpp warning
1904         reason codes to gcc option indexes.
1905         * (c_option_controlling_cpp_error): New function, lookup the gcc
1906         option index for a cpp warning reason code.
1907         * (c_cpp_error): Add warning reason argument, call
1908         c_option_controlling_cpp_error for diagnostic_override_option_index.
1909         * doc/invoke.texi: Document -Wno-cpp.
1910
1911 2010-04-07  Richard Guenther  <rguenther@suse.de>
1912
1913         * ipa-reference.c (mark_load): Use get_base_address.
1914         (mark_store): Likewise.
1915
1916         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
1917         inserting GIMPLE_NOPs into the IL.
1918         * tree-ssa-structalias.c (get_constraint_for_component_ref):
1919         Explicitly strip handled components and indirect references.
1920
1921         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
1922         folding address expressions.
1923         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
1924         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
1925         operand_equal_p to compare decls.
1926         (ptr_deref_may_alias_decl_p): Likewise.
1927         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
1928         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
1929         Handle reversed comparison ops.
1930         * tree-sra.c (asm_visit_addr): Use get_base_address.
1931         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
1932         * ipa-reference.c (mark_address): Use get_base_address.
1933
1934 2010-04-07  Richard Guenther  <rguenther@suse.de>
1935
1936         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
1937         Propagate constants everywhere.
1938
1939 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
1940
1941         PR debug/43516
1942         * tree.c (MAX_INT_CACHED_PREC): Define.
1943         (nonstandard_integer_type_cache): New array.
1944         (build_nonstandard_integer_type): Cache results for precision
1945         <= MAX_INT_CACHED_PREC.
1946
1947 2010-04-07  Richard Guenther  <rguenther@suse.de>
1948
1949         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
1950         -fargument-noalias-global, -fargument-noalias-anything): Remove.
1951         * common.opt: Likewise.
1952         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
1953         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
1954         (nonoverlapping_memrefs_p): Likewise.
1955         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1956         * opts.c (common_handle_option): Handle OPT_fargument_alias,
1957         OPT_fargument_noalias, OPT_fargument_noalias_anything and
1958         OPT_fargument_noalias_global for backward compatibility.
1959
1960 2010-04-07  Richard Guenther  <rguenther@suse.de>
1961
1962         PR tree-optimization/43270
1963         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
1964         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
1965         * tree-ssa-pre.c (phi_translate_1): Adjust.
1966         (fully_constant_expression): Split out vn_reference handling to ...
1967         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
1968         Fold reads from constant strings.
1969         (vn_reference_lookup): Handle fully constant references.
1970         (vn_reference_lookup_pieces): Likewise.
1971         * Makefile.in (expmed.o-warn): Add -Wno-error.
1972
1973 2010-04-07  Martin Jambor  <mjambor@suse.cz>
1974
1975         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
1976
1977 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
1978
1979         PR driver/41594
1980         * gcc.c: Add -static-libstdc++ to list of recognized options.
1981
1982 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1983
1984         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
1985
1986 2010-04-07  Richard Guenther  <rguenther@suse.de>
1987
1988         PR middle-end/42617
1989         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
1990         bases build simple mem attributes to retain points-to information.
1991
1992 2010-04-07  Richard Guenther  <rguenther@suse.de>
1993
1994         PR middle-end/42617
1995         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
1996         preserve points-to related information.
1997
1998 2010-04-07  Richard Guenther  <rguenther@suse.de>
1999
2000         PR middle-end/42617
2001         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2002         discard plain indirect references.
2003         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2004         * tree.c (tree_nop_conversion): Likewise.
2005
2006 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
2007
2008         PR debug/43628
2009         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2010
2011 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
2012
2013         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2014         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2015
2016 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2017
2018         * tree-if-conv.c: Fix indentation and comments.
2019
2020 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2021
2022         * tree-if-conv.c: Sort static functions in topological order.
2023
2024 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2025
2026         * tree-if-conv.c: Fix indentation and comments.
2027
2028 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2029
2030         PR middle-end/43519
2031         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2032         lang_hooks.types.type_for_size instead of
2033         build_nonstandard_integer_type.
2034         When converting an unsigned type to signed, double its precision.
2035         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2036         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
2037         (graphite_create_new_loop_guard): When ub + 1 wraps around,
2038         use lb <= ub.
2039
2040 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2041
2042         PR middle-end/43519
2043         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
2044         POINTER_PLUS_EXPR for pointer types.
2045
2046 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2047
2048         PR middle-end/43519
2049         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
2050         * graphite-clast-to-gimple.c: Include langhooks.h.
2051         (max_signed_precision_type): New.
2052         (max_precision_type): Takes two types as arguments.
2053         (precision_for_value): New.
2054         (precision_for_interval): New.
2055         (gcc_type_for_interval): New.
2056         (gcc_type_for_value): New.
2057         (gcc_type_for_clast_term): New.
2058         (gcc_type_for_clast_red): New.
2059         (gcc_type_for_clast_bin): New.
2060         (gcc_type_for_clast_expr): Split up into several functions.
2061         (gcc_type_for_clast_eq): Rewritten.
2062         (compute_bounds_for_level): New.
2063         (compute_type_for_level_1): New.
2064         (compute_type_for_level): New.
2065         (gcc_type_for_cloog_iv): Removed.
2066         (gcc_type_for_iv_of_clast_loop): Rewritten.
2067         (graphite_create_new_loop): Compute the lower and upper bound types
2068         with gcc_type_for_clast_expr.
2069         (graphite_create_new_loop_guard): Same.
2070         (find_cloog_iv_in_expr): Removed.
2071         (compute_cloog_iv_types_1): Removed.
2072         (compute_cloog_iv_types): Removed.
2073         (gloog): Do not call compute_cloog_iv_types.
2074         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
2075         GBB_CLOOG_IV_TYPES.
2076         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
2077         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
2078         (GBB_CLOOG_IV_TYPES): Removed.
2079
2080 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2081
2082         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
2083         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
2084         (detect_commutative_reduction): Same.
2085
2086 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2087
2088         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
2089         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
2090         argument.
2091         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
2092         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
2093         (rewrite_commutative_reductions_out_of_ssa): Same.
2094         * passes.c (execute_function_todo): Call verify_ssa for every pass
2095         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
2096         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
2097         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
2098         with an extra argument.
2099         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
2100         verify_ssa only when the extra argument is true.
2101         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
2102         with an extra argument.
2103         (tree_transform_and_unroll_loop): Same.
2104
2105 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2106
2107         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
2108         for all the passes of the LNO having LOOP_CLOSED_SSA.
2109         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
2110         * tree-loop-distribution.c (pass_loop_distribution): Same.
2111         * tree-pass.h (TODO_verify_loops): Removed.
2112         * tree-ssa-loop.c (pass_tree_loop_init): Same.
2113         (pass_lim): Same.
2114         (pass_tree_unswitch): Same.
2115         (pass_predcom): Same.
2116         (pass_vectorize): Same.
2117         (pass_linear_transform): Same.
2118         (pass_graphite_transforms): Same.
2119         (pass_iv_canon): Same.
2120         (pass_complete_unroll): Same.
2121         (pass_complete_unrolli): Same.
2122         (pass_parallelize_loops): Same.
2123         (pass_loop_prefetch): Same.
2124         (pass_iv_optimize): Same.
2125
2126 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
2127
2128         PR middle-end/32824
2129         * passes.c (init_optimization_passes): Move pass_lim before
2130         pass_copy_prop and pass_dce_loop.
2131
2132 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
2133
2134         PR target/43667
2135         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
2136         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
2137         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
2138         MULTI_* defines for 4 argument vpermil2p* builtins.
2139
2140 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
2141
2142         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
2143         * config/i386/i386.c (x86_maybe_negate_const_int): New.
2144         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
2145         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
2146         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
2147         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
2148         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
2149         Use x86_maybe_negate_const_int to output insn mnemonic.
2150         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
2151         check from instruction predicate.  Update comments.
2152         * config/i386/sync.md (sync_add<mode>): Use
2153         x86_maybe_negate_const_int to output insn mnemonic.
2154
2155 2010-04-06  Jan Hubicka  <jh@suse.cz>
2156
2157         PR tree-optimization/42906
2158         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
2159         IGNORE_SELF argument.  Set visited_control_parents for fully
2160         processed BBs.
2161         (find_obviously_necessary_stmts): Update call of
2162         mark_control_dependent_edges_necessary.
2163         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
2164
2165 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
2166
2167         * config/i386/i386.md: Remove comment about 'e' and 'E'
2168         operand modifier.
2169
2170 2010-04-06  Richard Guenther  <rguenther@suse.de>
2171
2172         PR tree-optimization/43627
2173         * tree-vrp.c (extract_range_from_unary_expr): Widenings
2174         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
2175         not varying.
2176
2177 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
2178
2179         * BASE-VER: Change to 4.6.0.
2180
2181         PR target/43638
2182         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
2183         handling.
2184
2185 2010-04-06  Richard Guenther  <rguenther@suse.de>
2186
2187         PR middle-end/43661
2188         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
2189
2190 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2191
2192         * doc/invoke.texi (Optimize Options): Document that LTO
2193         won't remove object access purely due to incompatible
2194         declarations.
2195
2196 2010-04-04  Matthias Klose  <doko@ubuntu.com>
2197
2198         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
2199         Initialize variable.
2200
2201 2010-04-03  Richard Guenther  <rguenther@suse.de>
2202
2203         PR middle-end/42509
2204         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
2205         require a non-NULL MEM_OFFSET.
2206
2207 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
2208
2209         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
2210         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
2211         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
2212         config/alpha/predicates.md, config/arm/arm.md,
2213         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
2214         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
2215         config/darwin9.h, config/darwin.c, config/darwin.h,
2216         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
2217         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
2218         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
2219         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
2220         config/mips/mips.md, config/mn10300/mn10300.c,
2221         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
2222         config/rs6000/aix.h, config/rs6000/dfp.md,
2223         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
2224         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
2225         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
2226         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
2227         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
2228         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
2229         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
2230         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
2231         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
2232         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
2233         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
2234         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
2235         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
2236         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
2237         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
2238         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
2239         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
2240         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
2241         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
2242         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
2243         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
2244         opt-functions.awk, opth-gen.awk, params.def, passes.c,
2245         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
2246         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
2247         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
2248         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
2249         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
2250         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
2251         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
2252         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
2253         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
2254         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
2255         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
2256         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
2257         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
2258         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
2259
2260 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2261
2262         PR other/43620
2263         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
2264         * aclocal.m4: Regenerate.
2265
2266 2010-04-02  Richard Guenther  <rguenther@suse.de>
2267
2268         PR tree-optimization/43629
2269         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
2270         if we have seen a constant value.
2271
2272 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
2273
2274         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
2275
2276 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
2277
2278         PR target/43469
2279         * arm.c (legitimize_tls_address): Adjust call to
2280         gen_tls_load_dot_plus_four.
2281         (arm_note_pic_base): New function.
2282         (arm_cannot_copy_insn_p): Use it.
2283         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
2284         constraint.
2285
2286 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2287
2288         PR bootstrap/43531
2289
2290         Revert:
2291         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2292
2293         * Makefile.in ($(out_object_file)): Depend on
2294         gt-$(basename $(notdir $(out_file))).h.
2295
2296 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
2297
2298         * config.gcc (lm32-*-rtems*): Add t-lm32.
2299
2300 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
2301
2302         * config.gcc: Add lm32-*-rtems*.
2303         * config/lm32/rtems.h: New file.
2304
2305 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
2306
2307         PR target/42609
2308         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
2309
2310 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
2311
2312         * dwarf2out.c (output_compilation_unit_header): For
2313         -gdwarf-4 use version 4 instead of version 3.
2314         (output_line_info): For version 4 and above emit additional
2315         maximum ops per insn header field.
2316         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
2317
2318         * dwarf2out.c (is_c_family, is_java): Remove.
2319         (lower_bound_default): New function.
2320         (add_bound_info, gen_descr_array_type_die): Use it.
2321
2322 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
2323
2324         PR debug/43325
2325         * dwarf2out.c (gen_variable_die): Allow debug info for variable
2326         re-declaration when it happens in a function.
2327
2328 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
2329
2330         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
2331         (cgraph_remove_function_insertion_hook): Same.
2332         (cgraph_call_function_insertion_hooks): Same.
2333
2334 2010-04-01  Richard Guenther  <rguenther@suse.de>
2335
2336         PR middle-end/43614
2337         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
2338         and TREE_THIS_VOLATILE.
2339         (copy_ref_info): Likewise.
2340         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
2341         * tree.c (build6_stat): Ignore side-effects of all but arg5
2342         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
2343         TARGET_MEM_REF.
2344
2345 2010-04-01  Richard Guenther  <rguenther@suse.de>
2346
2347         PR tree-optimization/43607
2348         * ipa-type-escape.c (check_call): Do not access non-existing
2349         arguments.
2350
2351 2010-04-01  Richard Guenther  <rguenther@suse.de>
2352
2353         PR middle-end/43602
2354         Revert
2355         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
2356                     Jack Howarth <howarth@bromo.med.uc.edu>
2357
2358         * tree-profile.c (tree_init_ic_make_global_vars): Make static
2359         variables TLS.
2360
2361 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2362
2363         * doc/install.texi (Prerequisites): Document libelf usability on
2364         IRIX 5/6 and Solaris 2.
2365         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
2366         Update GNU as, GNU ld requirements.
2367         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
2368         Document Sun Studio compiler download.
2369         Update and simplify as, ld recommendations.
2370         (Specific, *-*-solaris2.7): Note obsoletion, removal.
2371
2372 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2373
2374         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
2375         with_tune_32 to pentium4.
2376
2377 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
2378
2379         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
2380
2381 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2382
2383         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
2384         obsoletion, removal.
2385         Update IDO URL.
2386         Document GNU as requirement.
2387         Update configure requirements.
2388         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
2389         Recomment IRIX 6.5.18+.
2390         Document IDF/IDL requirement.
2391         Document GNU as requirement.
2392         Document GNU ld bootstrap failure.
2393         Remove freeware.sgi.com reference.
2394
2395 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2396
2397         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
2398         UNIX V4.0, V5.0 obsoletion, removal.
2399         Remove --with-gc=simple reference.
2400         Update VM requirements during bootstrap.
2401         Remove -oldas bootstrap description.
2402         Update binutils reference.
2403         Remove comparison failure note.
2404
2405 2010-03-31  Richard Guenther  <rguenther@suse.de>
2406             Zdenek Dvorak  <ook@ucw.cz>
2407             Sebastian Pop  <sebastian.pop@amd.com>
2408
2409         PR middle-end/43464
2410         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
2411         with multiple arguments.
2412         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
2413
2414 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2415
2416         * graphite-dependences.c (print_pddr): Call print_pdr with an
2417         extra argument.
2418         * graphite-poly.c (debug_pdr): Add an extra argument for the
2419         verbosity level.
2420         (print_pdr): Same.
2421         (print_pbb_domain): Same.
2422         (print_pbb): Same.
2423         (print_scop_context): Same.
2424         (print_scop): Same.
2425         (print_cloog): Same.
2426         (debug_pbb_domain): Same.
2427         (debug_pbb): Same.
2428         (print_pdrs): Same.
2429         (debug_pdrs): Same.
2430         (debug_scop_context): Same.
2431         (debug_scop): Same.
2432         (debug_cloog): Same.
2433         (print_scop_params): Same.
2434         (debug_scop_params): Same.
2435         (print_iteration_domain): Same.
2436         (print_iteration_domains): Same.
2437         (debug_iteration_domain): Same.
2438         (debug_iteration_domains): Same.
2439         (print_scattering_function): Same.
2440         (print_scattering_functions): Same.
2441         (debug_scattering_function): Same.
2442         (debug_scattering_functions): Same.
2443         * graphite-poly.h (debug_pdr): Update declaration.
2444         (print_pdr): Same.
2445         (print_pbb_domain): Same.
2446         (print_pbb): Same.
2447         (print_scop_context): Same.
2448         (print_scop): Same.
2449         (print_cloog): Same.
2450         (debug_pbb_domain): Same.
2451         (debug_pbb): Same.
2452         (print_pdrs): Same.
2453         (debug_pdrs): Same.
2454         (debug_scop_context): Same.
2455         (debug_scop): Same.
2456         (debug_cloog): Same.
2457         (print_scop_params): Same.
2458         (debug_scop_params): Same.
2459         (print_iteration_domain): Same.
2460         (print_iteration_domains): Same.
2461         (debug_iteration_domain): Same.
2462         (debug_iteration_domains): Same.
2463         (print_scattering_function): Same.
2464         (print_scattering_functions): Same.
2465         (debug_scattering_function): Same.
2466         (debug_scattering_functions): Same.
2467
2468 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2469
2470         * graphite-poly.c (print_scattering_function_1): New.
2471         (print_scattering_function): Call it.
2472         (print_scop_params): Remove spaces at the end of lines.
2473         (print_cloog): New.
2474         (debug_cloog): New.
2475         * graphite-poly.h (print_cloog): Declared.
2476         (debug_cloog): Declared.
2477
2478 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2479
2480         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
2481         in loop->header.
2482         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
2483         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
2484         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
2485         to switch between adding the IV bump in loop->latch or in loop->header.
2486
2487 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2488
2489         * graphite-poly.c (print_scattering_function): Pretty print following
2490         the scoplib format.
2491         (print_pdr): Same.
2492         (print_pbb_domain): Same.
2493         (dump_gbb_cases): Same.
2494         (dump_gbb_conditions): Same.
2495         (print_pdrs): Same.
2496         (print_pbb): Same.
2497         (print_scop_params): Same.
2498         (print_scop_context): Same.
2499         (print_scop): Same.
2500         (print_pbb_body): New.
2501         (lst_indent_to): New.
2502         (print_lst): Start new lines with a #.
2503         * graphite-poly.h (pbb_bb): New.
2504         (pbb_index): Use pbb_bb.
2505         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
2506         disjuncts.
2507         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
2508
2509 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
2510
2511         * dwarf2out.c (size_of_die): For -gdwarf-4 use
2512         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
2513         and 0 instead of 1 for dw_val_class_flag.
2514         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
2515         dw_val_class_range_list, dw_val_class_loc_list,
2516         dw_val_class_lineptr and dw_val_class_macptr, use
2517         DW_FORM_flag_present for dw_val_class_flag and
2518         DW_FORM_exprloc for dw_val_class_loc.
2519         (output_die): For -gdwarf-4 print dw_val_class_loc
2520         size as uleb128 instead of 1 or 2 bytes and don't print
2521         anything for dw_val_class_flag.
2522
2523         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
2524         instead of cselib_lookup following by tweaking locs->setting_insn.
2525
2526         PR bootstrap/43596
2527         * cselib.c (cselib_process_insn): Clear cselib_current_insn
2528         even before returning from label, setjmp call or volatile asm
2529         handling.
2530
2531 2010-03-31  Richard Guenther  <rguenther@suse.de>
2532
2533         PR middle-end/43600
2534         * cgraphunit.c (cgraph_output_in_order): Do not allocate
2535         temporary data on stack.
2536
2537 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2538
2539         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
2540         (PUSHSECTION_ASM_OP): Remove.
2541         (POPSECTION_ASM_OP): Remove.
2542         (PUSHSECTION_FORMAT): Remove.
2543         * config/sol2.h (PUSHSECTION_FORMAT): Define.
2544         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
2545         * config/sol2.c (solaris_output_init_fini): Use it.
2546
2547 2010-03-31  Jie Zhang  <jie@codesourcery.com>
2548
2549         PR 43574
2550         * opt-functions.awk (var_type_struct): Use signed char type
2551         for simple variables.
2552
2553 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2554
2555         * config/sol2.c: Include output.h.
2556         (solaris_assemble_visibility): New function.
2557         * config/t-sol2 (sol2.o): Add output.h dependency.
2558         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
2559         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
2560         Redefine.
2561
2562 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
2563
2564         PR target/43580
2565         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
2566         V2SImode or XFmode on PRE_DEC.
2567
2568         PR debug/43557
2569         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
2570         BLKmode.
2571
2572 2010-03-31  Jie Zhang  <jie@codesourcery.com>
2573
2574         PR 43562
2575         * reload.h (caller_save_initialized_p): Declare.
2576         * toplev.c (backend_init_target): Don't call
2577         init_caller_save but set caller_save_initialized_p to false.
2578         * caller-save.c (caller_save_initialized_p): Define.
2579         (init_caller_save): Check caller_save_initialized_p.
2580         * ira.c (ira): Call init_caller_save if flag_caller_saves.
2581
2582 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2583
2584         PR target/39048
2585         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
2586         and soft-fp/t-softfp to tmake_file.
2587         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
2588         (LIBGCC2_TF_CEXT): Define.
2589         (TF_SIZE): Define.
2590
2591 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
2592
2593         PR debug/42977
2594         * cselib.c (n_useless_values): Document handling of debug locs.
2595         (n_useless_debug_values, n_debug_values): New variables.
2596         (new_elt_loc_list): Don't add to debug values, keep count.
2597         (promote_debug_loc): New.
2598         (cselib_reset_table): Zero new variables.
2599         (entry_and_rtx_equal_p): Promote debug locs.
2600         (discard_useless_locs): Increment n_useless_debug_values for
2601         debug values.
2602         (remove_useless_values): Adjust n_useless_values and n_debug_values
2603         with n_useless_debug_values.
2604         (add_mem_for_addr): Promote debug locs.
2605         (cselib_lookup_mem): Likewise.
2606         (cselib_lookup_addr): Renamed to...
2607         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
2608         (cselib_log_lookup): ... this.  Turn into...
2609         (cselib_lookup_addr): ... new wrapper.
2610         (cselib_lookup_from_insn): New.
2611         (cselib_invalidate_regno): Increment n_useless_debug_values for
2612         debug values.
2613         (cselib_invalidate_mem): Likewise.
2614         (cselib_process_insn): Take n_deleted and n_debug_values into
2615         account to guard remove_useless_value call.
2616         (cselib_finish): Zero n_useless_debug_values.
2617         * cselib.h (cselib_lookup_from_insn): Declare.
2618         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
2619         (sched_analyze_2): Likewise.
2620
2621 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
2622
2623         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
2624         functions.
2625         (adjust_mems): Replace narrowing SUBREG of expression containing
2626         just PLUS, MINUS, MULT and ASHIFT of registers and constants
2627         with operations in the narrower mode.
2628
2629         PR debug/43593
2630         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
2631         regs_invalidated_by_call instead all call_used_reg_set registers.
2632
2633 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
2634
2635         PR middle-end/43430
2636         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
2637         pointer comparisons with types_compatible_p.
2638         * tree-vect-stmts.c (vectorizable_call): Same.
2639         (vectorizable_condition): Same.
2640
2641 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2642
2643         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
2644         stack check if the mask would be zero.
2645
2646 2010-03-30  Seongbae Park <seongbae.park@gmail.com>
2647             Jack Howarth <howarth@bromo.med.uc.edu>
2648
2649         * tree-profile.c (tree_init_ic_make_global_vars): Make static
2650         variables TLS.
2651
2652 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
2653
2654         PR other/25232
2655         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
2656         and __unordtf2.
2657         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
2658         Include ___unordxf2 and ___unordtf2.
2659         * config/i386/libgcc-glibc.ver: Do not define inheritance from
2660         GCC_4.4.0 here.
2661
2662 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>
2663
2664         * config/lm32/t-lm32: New file.
2665         * config.gcc: Use the above file when targetting lm32.
2666
2667 2010-03-28  Duncan Sands  <baldrick@free.fr>
2668
2669         * Makefile.in (PLUGIN_HEADERS): Add except.h.
2670
2671 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
2672
2673         PR middle-end/43431
2674         * tree-vect-loop.c (vect_estimate_min_profitable_iters):
2675         Improve vectorization cost model diagnostic.
2676
2677 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
2678
2679         PR middle-end/43436
2680         * tree-vect-data-refs.c (vect_analyze_data_refs): When
2681         compute_data_dependences_for_loop returns false, early exit
2682         and output an extra diagnostic for the failed data reference
2683         analysis.
2684
2685 2010-03-29  Richard Guenther  <rguenther@suse.de>
2686
2687         PR tree-optimization/43560
2688         * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
2689         (can_sm_ref_p): Treat stores to readonly locations as trapping.
2690
2691 2010-03-29  Jie Zhang  <jie@codesourcery.com>
2692
2693         PR 43564
2694         * toplev.c (process_options): Set optimization_default_node
2695         and optimization_current_node.
2696         * opts.c (decode_options): Don't set optimization_default_node
2697         and optimization_current_node.
2698
2699 2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>
2700
2701         * config/rtems.h: Abandon -qrtems_debug.
2702
2703 2010-03-28  Jan Hubicka  <jh@suse.cz>
2704
2705         PR tree-optimization/43505
2706         * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
2707         map should not be copied.
2708
2709 2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2710
2711         PR middle-end/41674
2712         * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
2713         cdtors, set DECL_PRESERVE_P.
2714         * ipa.c (cgraph_externally_visible_p): Return true if declaration
2715         should be preseved.
2716
2717 2010-03-27  Uros Bizjak  <ubizjak@gmail.com>
2718
2719         PR tree-optimization/43528
2720         * stor-layout.c (place_field): Check that constant fits into
2721         unsigned HWI when skipping calculation of MS bitfield layout.
2722
2723 2010-03-27  Jan Hubicka  <jh@suse.cz>
2724
2725         PR middle-end/43391
2726         * varasm.c (make_decl_rtl): Deal with COMMON flag to make
2727         notice_global_symbol work.
2728
2729 2010-03-27  Jakub Jelinek  <jakub@redhat.com>
2730
2731         * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
2732         instead of dwarf2out_decl.
2733         (struct var_loc_node): Remove section_label field.
2734         (dwarf2out_function_decl): New function.
2735         (dwarf2out_var_location): Don't set section_label field.
2736         (dwarf2out_begin_function): Don't empty decl_loc_table here.
2737
2738 2010-03-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
2739
2740         PR tree-optimization/43544
2741         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2742         First argument for builtin vectorized function hook is now a
2743         tree to be able to distinguish between machine specific and
2744         standard builtins.
2745         * targhooks.c (default_builtin_vectorized_function): Ditto.
2746         * targhooks.h (default_builtin_vectorized_function): Ditto.
2747         * target.h (struct gcc_target): Ditto.
2748         * tree-vect-stmts.c (vectorizable_function): Ditto.
2749         * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
2750         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
2751         Ditto.
2752
2753 2010-03-26  Joseph Myers  <joseph@codesourcery.com>
2754
2755         PR c/43381
2756         * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
2757         nested binding iff it is a FUNCTION_DECL.
2758         (store_parm_decls_newstyle): Pass nested=true to bind for
2759         FUNCTION_DECLs amongst parameters.
2760
2761 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
2762
2763         * var-tracking.c (vt_expand_loc_callback): Don't run
2764         cselib_expand_value_rtx_cb in dummy mode if
2765         cselib_dummy_expand_value_rtx_cb returned false.
2766
2767         * var-tracking.c (emit_note_insn_var_location): For one part
2768         notes with offset 0, don't add EXPR_LIST around the location.
2769         * dwarf2out.c (loc_descriptor, dw_loc_list_1,
2770         add_location_or_const_value_attribute): Adjust for that change.
2771
2772         PR debug/43540
2773         * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
2774         into first operand and location into second.
2775         (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
2776         dw_cfi_oprnd_loc for DW_CFA_expression.
2777         (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
2778         (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
2779         assume first argument is regnum and second argument is location.
2780
2781 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
2782
2783         PR target/42113
2784         * config/alpha/alpha.md (*cmp_sadd_si): Change mode
2785         of scratch register to DImode.  Split to DImode comparison operator.
2786         Use SImode subreg of scratch register in the multiplication.
2787         (*cmp_sadd_sidi): Ditto.
2788         (*cmp_ssub_si): Ditto.
2789         (*cmp_ssub_sidi): Ditto.
2790
2791 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
2792
2793         PR target/43524
2794         * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
2795         Remove invalid assert and wrong comment.
2796
2797 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
2798
2799         PR debug/43516
2800         * flags.h (final_insns_dump_p): New extern.
2801         * final.c (final_insns_dump_p): New variable.
2802         (rest_of_clean_state): Set it before -fdump-final-insns=
2803         dumping, clear afterwards.
2804         * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
2805         MEM_ALIAS_SET on MEMs.
2806
2807 2010-03-26  David S. Miller  <davem@davemloft.net>
2808
2809         * configure.ac: Fix sparc GOTDATA_OP bug check.
2810         * configure: Rebuild.
2811
2812 2010-03-26  Alan Modra  <amodra@gmail.com>
2813
2814         * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
2815
2816 2010-03-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2817
2818         * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
2819         TLS_SECTION_ASM_FLAG.
2820
2821 2010-03-25  Jakub Jelinek  <jakub@redhat.com>
2822
2823         PR bootstrap/43511
2824         * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
2825         Clear first_function_block_is_cold.
2826
2827         PR c/43385
2828         * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
2829         argument if the argument is truth_value_p.
2830
2831 2010-03-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
2832
2833         * config/rs6000/constraints.md: Update copyright year for my changes.
2834
2835         PR target/43484
2836         * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
2837         used in reg+reg addressing, swap registers.
2838
2839 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
2840
2841         PR debug/43293
2842         * target.h (struct gcc_target): Add code_end hook.
2843         * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
2844         if not yet defined.
2845         (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
2846         * toplev.c (compile_file): Call targetm.asm_out.code_end
2847         hook before unwind info/debug info output.
2848         * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
2849         * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
2850         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2851         * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
2852         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2853         * config/i386/i386.c (ix86_file_end): Renamed to...
2854         (ix86_code_end): ... this.  Make static.  Don't call
2855         file_end_indicate_exec_stack.  Emit unwind info using
2856         final_start_function/final_end_function.
2857         (darwin_x86_file_end): Remove.
2858         (TARGET_ASM_CODE_END): Define.
2859         * config/i386/i386.h (TARGET_ASM_FILE_END,
2860         NEED_INDICATE_EXEC_STACK): Don't define.
2861         * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
2862         (TARGET_ASM_FILE_END): Define to darwin_file_end.
2863         * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
2864         * doc/tm.texi (TARGET_ASM_CODE_END): Document.
2865
2866         PR target/43498
2867         * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
2868         at the beginning and final_end_function at the end.
2869         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
2870
2871 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2872
2873         * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
2874         and Sun as TLS syntax.
2875         (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
2876         * configure: Regenerate.
2877         * config.in: Regenerate.
2878         * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
2879         (default_elf_asm_named_section): Use it.
2880         * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
2881         (i386_output_dwarf_dtprel): Likewise.
2882         (output_addr_const_extra): Likewise.
2883         (output_pic_addr_const): Lowercase @GOTTPOFF.
2884         (output_addr_const_extra): Likewise.
2885         (output_pic_addr_const): Lowercase @GOTNTPOFF.
2886         (output_addr_const_extra): Likewise.
2887         (output_pic_addr_const): Lowercase @INDNTPOFF.
2888         (output_addr_const_extra): Likewise.
2889         (output_pic_addr_const): Lowercase @NTPOFF.
2890         (output_addr_const_extra): Likewise.
2891         (output_pic_addr_const): Lowercase @TPOFF.
2892         (output_addr_const_extra): Likewise.
2893         * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
2894         (*tls_global_dynamic_64): Likewise.
2895         (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
2896         (*tls_local_dynamic_base_64): Lowercase @TLSLD.
2897
2898         * defaults.h (TLS_COMMON_ASM_OP): Provide default.
2899         (ASM_OUTPUT_TLS_COMMON): Use it.
2900         * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
2901
2902         PR target/38118
2903         * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
2904         * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
2905         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
2906         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
2907         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2908         (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
2909
2910 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2911
2912         * config/i386/i386.c (override_options): Don't accept
2913         -mtls-dialect=sun any longer.
2914         * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
2915         * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
2916         (*tls_local_dynamic_base_32_sun): Likewise.
2917         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2918
2919 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
2920
2921         PR debug/43508
2922         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
2923         VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
2924
2925         PR debug/43479
2926         * ira.c (adjust_cleared_regs): New function.
2927         (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
2928
2929         PR debug/19192
2930         PR debug/43479
2931         * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
2932         from gimple_block.
2933         * expr.c (expand_expr_real): Restore previous
2934         curr_insn_source_location and curr_insn_block after
2935         expand_expr_real_1 call.
2936         (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
2937         instead of expand_expr_real_1.
2938
2939 2010-03-23  Vladimir Makarov  <vmakarov@redhat.com>
2940
2941         PR rtl-optimization/43413
2942         * ira-color.c (setup_allocno_available_regs_num): Count prohibited
2943         hard regs too.
2944
2945 2010-03-22  James E. Wilson  <wilson@codesourcery.com>
2946
2947         PR target/43348
2948         * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
2949         call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
2950
2951 2010-03-22  H.J. Lu  <hongjiu.lu@intel.com>
2952
2953         * config/i386/i386.c (ix86_target_string): Add -mfma.
2954         Fix a typo in comment.
2955
2956 2010-03-22  Mike Stump  <mikestump@comcast.net>
2957
2958         PR target/23071
2959         * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
2960         Don't overly align based upon packed packed fields.
2961
2962 2010-03-22  Jason Merrill  <jason@redhat.com>
2963
2964         * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
2965         Use () rather than [], and move before the element type.
2966
2967 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2968
2969         * doc/configfiles.texi (Configuration Files): Removed
2970         fixinc/Makefile*, intl/Makefile.*.
2971         * doc/makefile.texi: Fixed markup. Abstract from version
2972         control system used.
2973         (Makefile): Removed obsolete gcc/java/parse.y example.
2974         * doc/sourcebuild.texi: Likewise.
2975         (Top Level): Added config, gnattools, libdecnumber, libgcc,
2976         libgomp, libssp.  Removed fastjar.
2977         (Miscellaneous Docs): Clarify location.
2978         Added COPYING3, COPYING3.LIB.
2979         (Front End Directory): Moved Make-lang.in entry to new subsubsection.
2980
2981 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2982
2983         PR target/38085
2984         * config/i386/i386.c (x86_function_profiler)
2985         [!NO_PROFILE_COUNTERS]: Fix typo.
2986         * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
2987         instead of callq.
2988
2989 2010-03-22  Janis Johnson  <janis187@us.ibm.com>
2990             Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2991
2992         * doc/sourcebuild.texi (Test Directives): Split into six
2993         subsections, with most of the current text in new subsections
2994         Directives, Selectors, and Final Actions.
2995         (Directives): Split list of test directives into multiple
2996         subsubsections.
2997         (Selectors): Describe use and syntax of selectors.
2998         (Effective-Target Keywords): Describe all existing keywords.
2999         (Add Options): Describe features for dg-add-options.
3000         (Require Support): Describe variants of dg-require-support.
3001         (Final Actions): Describe commands to use in dg-final.
3002
3003 2010-03-22  Michael Matz  <matz@suse.de>
3004
3005         PR middle-end/43475
3006         * recog.c (validate_replace_rtx_group): Replace also in
3007         REG_EQUAL and REG_EQUIV notes.
3008
3009 2010-03-22  Richard Guenther  <rguenther@suse.de>
3010
3011         PR tree-optimization/43390
3012         * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
3013         sure vector extracts are type correct.
3014
3015 2010-03-22  Richard Guenther  <rguenther@suse.de>
3016
3017         PR middle-end/40106
3018         * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
3019         x * sqrt (x) even when optimizing for size if the target
3020         has native support for sqrt.
3021
3022 2010-03-22  Jakub Jelinek  <jakub@redhat.com>
3023
3024         * varasm.c (make_decl_rtl_for_debug): Also clear
3025         flag_mudflap for the duration of make_decl_rtl call.
3026
3027         PR debug/43443
3028         * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
3029         locs from preserved VALUEs.
3030
3031 2010-03-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3032
3033         PR middle-end/42718
3034         * pa.md (movmemsi): Set align to one if zero.
3035         (movmemdi): Likewise.
3036
3037 2010-03-21  Richard Earnshaw  <rearnsha@arm.com>
3038
3039         PR target/42321
3040         * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
3041         with their corresponding prologue pushes.
3042
3043 2010-03-20  Andrew Pinski  <pinskia@gmail.com>
3044
3045         PR target/43156
3046         * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
3047         at the begining or end.
3048         (spu_expand_epilogue): Likewise.
3049
3050 2010-03-20  Richard Guenther  <rguenther@suse.de>
3051
3052         PR rtl-optimization/43438
3053         * combine.c (make_extraction): Properly zero-/sign-extend an
3054         extraction of the low part of a CONST_INT.  Also handle
3055         CONST_DOUBLE.
3056
3057 2010-03-19  Mike Stump  <mikestump@comcast.net>
3058
3059         * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
3060         * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
3061         (override_options): Use SUBTARGET32_DEFAULT_CPU.
3062
3063 2010-03-19  Andrew Pinski  <andrew_pinski@caviumnetworks.com>
3064
3065         PR c/43211
3066         * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
3067         an error.
3068
3069 2010-03-19  Bernd Schmidt  <bernds@codesourcery.com>
3070
3071         PR rtl-optimization/42258
3072         * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
3073         use that may match DEF.
3074
3075         PR target/40697
3076         * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
3077         the cost of loading the constant rather than assuming
3078         COSTS_N_INSNS (1).
3079         * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
3080         outer code is AND, do the same tests as the andsi3 expander and
3081         return COSTS_N_INSNS (1) if and is cheap.
3082
3083         * optabs.c (avoid_expensive_constant): Fix formatting.
3084
3085 2010-03-19  Michael Matz  <matz@suse.de>
3086
3087         PR c++/43116
3088         * attribs.c (decl_attributes): When rebuilding a function pointer
3089         type use the same qualifiers as the original pointer type.
3090
3091 2010-03-19  Martin Jambor  <mjambor@suse.cz>
3092
3093         * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
3094         and is_gimple_ip_invariant_address.
3095
3096 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3097
3098         Revert
3099         2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3100
3101         * config/arm/arm.c (arm_override_options): Turn off
3102         flag_dwarf2_cfi_asm for AAPCS variants.
3103
3104 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3105
3106         PR target/43399
3107         * config/arm/arm.c (emit_multi_reg_push): Update comments.
3108         Use PRE_MODIFY instead of PRE_DEC.
3109         (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
3110         (vfp_emit_fstmd): Likewise.
3111
3112 2010-03-19  Michael Matz  <matz@suse.de>
3113
3114         PR target/43305
3115         * builtins.c (expand_builtin_interclass_mathfn,
3116         expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
3117         if that fails.
3118
3119 2010-03-19  Richard Guenther  <rguenther@suse.de>
3120
3121         PR tree-optimization/43415
3122         * tree-ssa-pre.c (phi_translate): Split out worker to ...
3123         (phi_translate_1): ... this.
3124         (phi_translate): Move all caching here.  Cache all NARY
3125         and REFERENCE translations.
3126
3127 2010-03-19  David S. Miller  <davem@davemloft.net>
3128
3129         With help from Eric Botcazou.
3130         * config/sparc/sparc.c: Include dwarf2out.h.
3131         (emit_pic_helper): Delete.
3132         (pic_helper_symbol_name): Delete.
3133         (pic_helper_emitted_p): Delete.
3134         (pic_helper_needed): New.
3135         (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
3136         (get_pc_thunk_name): New.
3137         (load_pic_register): Remove 'delay_pic_helper' arg.  Use
3138         get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
3139         Set pic_helper_needed to true.  Don't call emit_pic_helper.
3140         (sparc_expand_prologue): Update load_pic_register call.
3141         (sparc_output_mi_thunk): Likewise.
3142         (sparc_file_end): Emit a hidden comdat symbol for the PIC
3143         thunk if possible.  Output CFI information as needed.
3144
3145 2010-03-18  Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
3146             Jack Howarth <howarth@bromo.med.uc.edu>
3147
3148         PR target/36399
3149         * config/i386/i386.h: Fix ABI on darwin x86-32.
3150
3151 2010-03-18  Aldy Hernandez  <aldyh@redhat.com>
3152
3153         * tree.h: Declare make_decl_rtl_for_debug.
3154         * varasm.c (make_decl_rtl_for_debug): New.
3155         * dwarf2out.c (rtl_for_decl_location): Call it.
3156         * cfgexpand.c (expand_debug_expr): Call it.
3157
3158 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
3159
3160         PR bootstrap/43399
3161         * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
3162         mem_mode.
3163
3164         PR bootstrap/43403
3165         * var-tracking.c (vt_init_cfa_base): Do nothing if
3166         cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
3167
3168 2010-03-18  Alexandre Oliva  <aoliva@redhat.com>
3169
3170         PR debug/42873
3171         * var-tracking.c (canonicalize_vars_star): New.
3172         (dataflow_post_merge_adjust): Use it.
3173
3174 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
3175
3176         PR debug/43058
3177         * var-tracking.c (non_suitable_const): New function.
3178         (add_uses): For DEBUG_INSNs with constants, don't record any
3179         value, instead just the constant value itself.
3180         (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
3181         is not VAR_LOC_UNKNOWN_P, set var to the constant.
3182         (emit_notes_in_bb): Likewise.
3183         (emit_note_insn_var_location): For onepart variables if
3184         cur_loc is a VOIDmode constant, use DECL_MODE.
3185
3186 2010-03-18  Martin Jambor  <mjambor@suse.cz>
3187
3188         PR middle-end/42450
3189         * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
3190         * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
3191         all non-clones.  Moved call redirection...
3192         (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
3193         (cgraph_materialize_all_clones): Dispose of all
3194         combined_args_to_skip bitmaps.
3195         (verify_cgraph_node): Do not check for edges pointing to wrong
3196         nodes in inline clones.
3197         * tree-inline.c (copy_bb): Call
3198         cgraph_redirect_edge_call_stmt_to_callee.
3199         * ipa.c (cgraph_remove_unreachable_nodes): Call
3200         cgraph_node_remove_callees even when there are used clones.
3201
3202 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
3203
3204         * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
3205
3206 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
3207
3208         PR target/43383
3209         * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
3210         for 32bit.
3211
3212 2010-03-18  Michael Matz  <matz@suse.de>
3213
3214         PR middle-end/43419
3215         * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
3216         into sqrt(x) if we need to preserve signed zeros.
3217
3218 2010-03-18  Steven Bosscher  <steven@gcc.gnu.org>
3219             Eric Botcazou  <ebotcazou@adacore.com>
3220
3221         PR rtl-optimization/43360
3222         * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
3223         note if we don't know its invariant status.
3224
3225 2010-03-18  Michael Matz  <matz@suse.de>
3226
3227         PR tree-optimization/43402
3228         * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
3229         PHI chains of ssa names registered for update.
3230
3231 2010-03-17  Peter Bergner  <bergner@vnet.ibm.com>
3232
3233         PR target/42427
3234         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
3235         non-offsettable and pre_modify update addressing.
3236         * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
3237         and "2" alternatives "#".
3238         (*movdd_softfloat32): Make all alternatives "#";
3239         * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
3240         (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
3241         (*movdf_softfloat32): Make all alternatives "#";
3242         (movdi): Use the new DIFD mode iterator to create a common splitter
3243         for movdi, movdf and movdd patterns.
3244
3245 2010-03-18  Shujing Zhao  <pearly.zhao@oracle.com>
3246
3247         * common.opt (dumpdir): Remove redundant tab.
3248
3249 2010-03-17  Martin Jambor  <mjambor@suse.cz>
3250
3251         PR tree-optimization/43347
3252         * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
3253         original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
3254
3255 2010-03-17  Bernd Schmidt  <bernd.schmidt@analog.com>
3256
3257         PR rtl-optimization/42216
3258         * regrename.c (create_new_chain): New function, broken out from...
3259         (scan_rtx_reg): ... here.  Call it.  Handle the case where we are
3260         appending a use to an empty chain.
3261         (build_def_use): Remove previous changes that convert OP_INOUT to
3262         OP_OUT operands; instead detect the case where an OP_INOUT operand
3263         uses a previously untracked register and create an empty chain for it.
3264
3265 2010-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3266
3267         * doc/extend.texi (Function Attributes): Rewrite unfinished
3268         sentence in ms_abi documentation.
3269
3270 2010-03-17  Alan Modra  <amodra@gmail.com>
3271
3272         * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
3273         * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
3274         (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
3275         * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
3276
3277 2010-03-16  Richard Henderson  <rth@redhat.com>
3278
3279         PR middle-end/43365
3280         * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
3281         (lower_try_finally): Save and restore eh_seq around the expansion
3282         of the try-finally.
3283
3284 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
3285
3286         * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
3287         statements before splitting block.
3288
3289 2010-03-16  Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3290
3291         * doc/sourcebuild.texi (Testsuites): Fix markup.
3292         Use pathnames relative to gcc/testsuite.
3293         (Test Directives): Move description of how timeout is determined.
3294         (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
3295         (C Tests): Correct gcc.misc-tests directory.
3296         Framework tests now live in gcc.test-framework.
3297
3298 2010-03-16  Richard Guenther  <rguenther@suse.de>
3299
3300         PR middle-end/43379
3301         * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
3302         operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
3303
3304 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
3305             Alexandre Oliva  <aoliva@redhat.com>
3306
3307         PR tree-optimization/42917
3308         * lambda-code.c (remove_iv): Skip debug statements.
3309         (lambda_loopnest_to_gcc_loopnest): Likewise.
3310         (not_interesting_stmt): Debug statements are not interesting.
3311
3312 2010-03-16  Jakub Jelinek  <jakub@redhat.com>
3313
3314         PR debug/43051
3315         PR debug/43092
3316         * cselib.c (cselib_preserve_constants,
3317         cfa_base_preserved_val): New static variables.
3318         (preserve_only_constants): New function.
3319         (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
3320         clear its REG_VALUES.  If cselib_preserve_constants, don't
3321         empty the whole hash table, but preserve there VALUEs with constants,
3322         cfa_base_preserved_val and cfa_base_preserved_val plus constant.
3323         (cselib_preserve_cfa_base_value): New function.
3324         (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
3325         (cselib_init): Change argument to int bitfield.  Set
3326         cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
3327         is in it.
3328         (cselib_finish): Clear cselib_preserve_constants and
3329         cfa_base_preserved_val.
3330         * cselib.h (enum cselib_record_what): New enum.
3331         (cselib_init): Change argument to int.
3332         (cselib_preserve_cfa_base_value): New prototype.
3333         * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
3334         * dse.c (dse_step1): Likewise.
3335         * cfgcleanup.c (thread_jump): Likewise.
3336         * sched-deps.c (sched_analyze): Likewise.
3337         * gcse.c (local_cprop_pass): Likewise.
3338         * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
3339         If FN is non-NULL, call the callback always and whenever it returns
3340         non-NULL just return that.  Only do rtx_equal_p if FN is NULL.
3341         * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
3342         * combine.c (propagate_for_debug_subst): Add old_rtx argument,
3343         compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
3344         * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
3345         * var-tracking.c: Include recog.h.
3346         (bb_stack_adjust_offset): Remove.
3347         (vt_stack_adjustments): Don't call it, instead just gather the
3348         adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
3349         (adjust_stack_reference): Remove.
3350         (compute_cfa_pointer): New function.
3351         (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
3352         (struct adjust_mem_data): New type.
3353         (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
3354         functions.
3355         (get_address_mode): New function.
3356         (replace_expr_with_values): Use it.
3357         (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
3358         Use get_address_mode.  For cfa_base_rtx return MO_CLOBBER.
3359         (adjust_sets): Remove.
3360         (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
3361         Use get_address_mode.
3362         (get_adjusted_src): Remove.
3363         (add_stores): Don't call it.  Never reuse expr SET.  Don't add extra
3364         MO_VAL_USE for cfa_base_rtx plus constant.  Use get_address_mode.
3365         (add_with_sets): Don't call adjust_sets.
3366         (fp_setter, vt_init_cfa_base): New functions.
3367         (vt_initialize): Change return type to bool.  Move most of pool etc.
3368         initialization to the beginning of the function from end.  Pass
3369         CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
3370         If !frame_pointer_needed, call vt_stack_adjustment before mos
3371         vector is filled, call vt_init_cfa_base if argp/framep has been
3372         eliminated to sp.  If frame_pointer_needed and argp/framep has
3373         been eliminated to hard frame pointer, set
3374         hard_frame_pointer_adjustment and call vt_init_cfa_base after
3375         encountering fp setter in the prologue.  For MO_ADJUST, call
3376         log_op_type before pusing the op into mos vector, not afterwards.
3377         Call adjust_insn before cselib_process_insn/add_with_sets,
3378         call cancel_changes (0) afterwards.
3379         (variable_tracking_main_1): Adjust for vt_initialize calling
3380         vt_stack_adjustments and returning whether it succeeded or not.
3381
3382 2010-03-15  Aldy Hernandez  <aldyh@redhat.com>
3383
3384         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
3385         debug statements.
3386
3387 2010-03-15  Jakub Jelinek  <jakub@redhat.com>
3388
3389         * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
3390         has been set.
3391         (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
3392         drap_reg has not been set.
3393
3394 2010-03-15  Michael Matz  <matz@suse.de>
3395
3396         PR middle-end/43300
3397         * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
3398         use it to expand block copies.
3399         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
3400         insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
3401         (insert_value_copy_on_edge): Use store_expr for BLKmode values.
3402
3403 2010-03-15  Richard Guenther  <rguenther@suse.de>
3404
3405         PR tree-optimization/43367
3406         * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
3407         elimination check.
3408
3409 2010-03-15  Richard Guenther  <rguenther@suse.de>
3410
3411         PR tree-optimization/43317
3412         * ipa-struct-reorg.c (create_new_general_access): Update stmt.
3413
3414 2010-03-15  Martin Jambor  <mjambor@suse.cz>
3415
3416         PR tree-optimization/43141
3417         * tree-sra.c (create_abstract_origin): New function.
3418         (modify_function): Call create_abstract_origin.
3419
3420 2010-03-15  Chris Demetriou  <cgd@google.com>
3421
3422         * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
3423         wasn't copied.
3424
3425 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3426
3427         PR middle-end/43354
3428         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
3429         call insert_out_of_ssa_copy for default definitions.
3430
3431 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3432
3433         * graphite-clast-to-gimple.c (my_long_long): Defined.
3434         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
3435         * graphite-sese-to-poly.c (my_long_long): Defined.
3436         (scop_ivs_can_be_represented): Use it.
3437
3438 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3439
3440         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
3441         graphite-max-bbs-per-function, and loop-block-tile-size.
3442         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
3443         with "maximum".