gcc/ChangeLog

   1 2010-05-05  Jason Merrill  <jason@redhat.com>
   2
   3         PR c++/43787
   4         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
   5         returns GS_OK.
   6         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
   7
   8 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
   9             Jakub Jelinek  <jakub@redhat.com>
  10
  11         PR debug/43478
  12         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
  13         (dead_debug_init, dead_debug_finish): New functions.
  14         (dead_debug_add, dead_debug_insert_before): Likewise.
  15         (df_note_bb_compute): Initialize a dead_debug object, add dead
  16         debug uses to it, insert debug bind insns before death insns,
  17         reset debug insns that refer to pending uses at the end.
  18         * rtl.h (make_debug_expr_from_rtl): New prototype.
  19         * varasm.c (make_debug_expr_from_rtl): New function.
  20
  21 2010-05-05  Jan Hubicka  <jh@suse.cz>
  22
  23         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
  24         (lto_varpool_encoder_new, lto_varpool_encoder_delete, lto_varpool_encoder_encode
  25         lto_varpool_encoder_lookup, lto_varpool_encoder_deref, lto_varpool_encoder_size,
  26         lto_varpool_encoder_encode_initializer_p,
  27         lto_set_varpool_encoder_encode_initializer): New functions.
  28         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
  29         call output_varpool.
  30         (input_varpool_node): Do not always set analyzed.
  31         (input_cgraph_1): Return vector of cgraph nodes.
  32         (input_varpool_1): Return vector of varpools.
  33         (input_cgraph): Free the vectors.
  34         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
  35         output only initializers needed.
  36         (lto_output): Only call output_cgraph.
  37         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
  38         * lto-section-out.c (lto_new_out_decl_state): Initialize
  39         state->varpool_node_encoder.
  40         * lto-streamer.h (lto_varpool_encoder_d): New.
  41         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
  42         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
  43         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
  44         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
  45         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
  46         Declare.
  47         (output_varpool, input_varpool): Remove declarations.
  48
  49 2010-05-05  Jan Hubicka  <jh@suse.cz>
  50
  51         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
  52         with body can prevail.
  53
  54 2010-05-05  Jan Hubicka  <jh@suse.cz>
  55
  56         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
  57         size.
  58
  59 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
  60
  61         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to
  62         dependencies.
  63
  64         * gengtype.h (erro_at_line): Constify pos argument.
  65
  66         * gengtype.c: Include hashtab.h.
  67         (enum gc_used): Document GC_MAYBE_POINTED_TO.
  68         (error_at_line): Constify pos argument.
  69         (do_typedef): Initialize p->opt field.
  70         (get_file_gtfilename): Fix comment typo.
  71         (struct walk_type_data): Constify line field.
  72         (get_output_file_for_structure): New function.
  73         (write_local_func_for_structure): Constify orig_s argument.
  74         Use get_output_file_for_structure.
  75         (write_func_for_structure): Use get_output_file_for_structure.
  76         (INDENT): New define.
  77         (dump_pair, dump_type, dump_type_list, dump_typekind)
  78         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
  79         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
  80         functions.
  81         (seen_types): New variable.
  82         (main): New variable do_dump.  Process "-d" command line option.
  83         Call dump_everything if dump requested.
  84
  85 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
  86
  87         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
  88         in a temporary instead of invoking the macro multiple times.
  89         (track_expr_p): Likewise.
  90
  91 2010-05-04  Neil Vachharajani <nvachhar@google.com>
  92
  93         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
  94         per new semantics.
  95         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
  96         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
  97         conditions for printing notes.
  98         * common.opt (-Wcoverage-mismatch): Allow negative, default to
  99         true, update documentation.
 100         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
 101
 102 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
 103
 104         PR c/43981
 105         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
 106         on dimen.
 107
 108 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
 109
 110         PR target/43799
 111         * config/i386/i386.md (sse_prologue_save): Add clobber CC
 112         register.
 113         (*sse_prologue_save_insn1): Likewise.
 114         (SSE prologue save splitter): Likewise.
 115
 116 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
 117
 118         * tree.c (free_lang_data_in_one_sizepos): New inline function.
 119         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
 120         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
 121         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
 122         all decls.  Call it on DECL_FIELD_OFFSET of fields.
 123         (find_decls_types_r): Follow DECL_VALUE_EXPR.
 124         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
 125
 126 2010-05-04  Martin Jambor  <mjambor@suse.cz>
 127
 128         * tree-sra.c (build_access_from_expr_1): The first parameter type
 129         changed to simple tree.
 130         (build_access_from_expr): Likewise, gsi parameter was eliminated.
 131         (scan_assign_result): Renamed to assignment_mod_result, enum elements
 132         renamed as well.
 133         (build_accesses_from_assign): Removed all parameters except for a
 134         simple gimple statement.  Now returns a simple bool.
 135         (scan_function): All non-analysis parts moved to separate functions
 136         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
 137         parameters and updated both callers.
 138         (sra_modify_expr): Removed parameter data.
 139         (sra_modify_function_body): New function.
 140         (perform_intra_sra): Call sra_modify_function_body to modify the
 141         function body.
 142         (replace_removed_params_ssa_names): Parameter data changed into
 143         adjustments vector.
 144         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
 145         changed the parameter dont_convert to convert with the opposite
 146         meaning.
 147         (sra_ipa_modify_assign): Parameter data changed into adjustments
 148         vector, return value changed to bool.
 149         (ipa_sra_modify_function_body): New function.
 150         (sra_ipa_reset_debug_stmts): Updated a comment.
 151         (modify_function): Use ipa_sra_modify_function_body to modify function
 152         body.
 153
 154 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
 155
 156         PR middle-end/43671
 157         * alias.c (true_dependence): Handle the same VALUE in x and mem.
 158         (canon_true_dependence): Likewise.
 159         (write_dependence_p): Likewise.
 160
 161 2010-05-04  Jan Hubicka  <jh@suse.cz>
 162
 163         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
 164         * cgraphbuild.c: Include ipa-utils.h
 165         (record_reference_ctx): New struct.
 166         (record_reference): Simplify to work on initializers; not statements.
 167         (mark_address, mark_load, mark_store): New.
 168         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
 169         walk PHI nodes too.
 170         (record_references_in_initializer): Update use of record_reference.
 171         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
 172         walk PHI nodes too.
 173
 174 2010-05-04  Jan Hubicka  <jh@suse.cz>
 175
 176         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
 177         node will be removed anyway.
 178         (lto_varpool_replace_node): Allow also unanalyzed nodes;
 179         relink aliases of node into prevailing node.
 180         * varpool.c (varpool_remove_node): Remove aliases properly;
 181         when removing node, remove all its aliases too; remove DECL_INITIAL
 182         of removed node; ggc_free the varpool node.
 183
 184 2010-05-04  Richard Guenther  <rguenther@suse.de>
 185
 186         PR tree-optimization/43879
 187         * tree-ssa-structalias.c (alias_get_name): Use
 188         DECL_ASSEMBLER_NAME if available.
 189         (create_function_info_for): Return the varinfo node.
 190         (ipa_pta_execute): Associate same-body aliases and extra names
 191         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
 192
 193 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
 194
 195         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove
 196         static.
 197
 198 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
 199
 200         PR bootstrap/43964
 201         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
 202         only if HONOR_REG_ALLOC_ORDER is not defined.
 203
 204 2010-05-04  Richard Guenther  <rguenther@suse.de>
 205
 206         PR tree-optimization/43949
 207         * tree-vrp.c (extract_range_from_binary_expr): Only handle
 208         TRUNC_MOD_EXPR.
 209
 210 2010-04-26  Jason Merrill  <jason@redhat.com>
 211
 212         * c.opt (-fstrict-enums): New.
 213         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
 214
 215 2010-05-03  David Ung <davidu@mips.com>
 216             James E. Wilson  <wilson@codesourcery.com>
 217
 218         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
 219         emit the trap instruction before the divide for TUNE_74K.
 220
 221 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
 222
 223         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
 224         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
 225         based on the above, for new target hook.
 226
 227         * hooks.c (hook_bool_mode_true): New generic hook.
 228         * hooks.h (hook_bool_mode_true): Add prototype.
 229
 230         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
 231         target hook.
 232         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
 233         target hook, set to hook_bool_mode_false.
 234         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
 235         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
 236         with targetm.small_register_classes_for_mode_p.
 237         (find_reusable_reload): Likewise.
 238         (combine_reloads): Likewise.
 239         * reload1.c (reload_as_needed): Likewise.
 240         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
 241         * ifcvt.c (noce_process_if_block, check_cond_move_block,
 242         dead_or_predicable): Likewise.
 243         * regmove.c (optimize_reg_copy_1): Likewise.
 244         * calls.c (prepare_call_address): Likewise.
 245         (precompute_register_parameters): Likewise.
 246
 247         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
 248         hook definition.
 249         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
 250         implementation of the hook that considers all register classes
 251         small except for SH64.
 252         (sh_override_options): Use the new hook.
 253         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
 254         Add prototype.
 255
 256         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
 257         hook definition.
 258         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
 259         implementation of the hook that considers all register classes
 260         small for THUMB1.
 261         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
 262         Add prototype.
 263
 264         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
 265         hook definition.
 266         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
 267         implementation of the hook that considers all register classes
 268         small for MIPS16.
 269         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
 270         Add prototype.
 271
 272         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
 273         hook definition.
 274         * config/m32c/m32c.h: Likewise.
 275         * config/pdp11/pdp11.h: Likewise.
 276         * config/avr/avr.h: Likewise.
 277         * config/xtensa/xtensa.h: Likewise.
 278         * config/m68hc11/m68hc11.h: Likewise.
 279         * config/mn10300/mn10300.h: Likewise.
 280         * config/mcore/mcore.h: Likewise.
 281         * config/h8300/h8300.h: Likewise.
 282         * config/bfin/bfin.h: Likewise.
 283
 284         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
 285         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
 286
 287 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
 288
 289         * double-int.h (tree_to_double_int): Remove macro.
 290         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
 291         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
 292         (tree_to_double_int): New function.
 293         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
 294         Move ...
 295         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
 296
 297 2010-05-03  Richard Guenther  <rguenther@suse.de>
 298
 299         PR tree-optimization/43971
 300         * tree-ssa-structalias.c (get_constraint_for_1): Fix
 301         constraints in the !flag_delete_null_pointer_checks case.
 302
 303 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
 304
 305         PR debug/43972
 306         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
 307         result mode matches original rtl mode.
 308
 309 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
 310
 311         PR target/43888
 312         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
 313
 314 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
 315
 316         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
 317         when processing flag options.
 318
 319 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
 320
 321         * gcov-iov.c (main): Change format string placeholder
 322         from %#08x to 0x%08x.
 323         * genchecksum.c (dosum): Change format string placeholder
 324         from %#02x to 0x%02x.
 325
 326 2010-05-02  Richard Guenther  <rguenther@suse.de>
 327
 328         PR tree-optimization/43879
 329         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
 330
 331 2010-05-02  Bruno Haible  <bruno@clisp.org>
 332
 333         * doc/extend.texi (Function Attributes): Fix a typo.
 334
 335 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
 336
 337         Revert:
 338         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
 339         placeholder from 0x%x to %#x.
 340         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
 341         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
 342         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
 343         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
 344         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
 345         * config/i386/i386.c (ix86_target_string): Ditto.
 346         * config/i386/i386.c (output_pic_addr_const): Ditto.
 347         (print_operand): Ditto.
 348
 349 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
 350
 351         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
 352         placeholder from 0x%x to %#x.
 353         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
 354         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
 355         (ASM_OUTPUT_DEBUG_DATA): Ditto.
 356         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
 357         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
 358         * optc-gen.awk: Ditto.
 359         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
 360         (HOST_WIDE_INT_PRINT_HEX): Ditto.
 361         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
 362         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
 363
 364 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
 365
 366         * target.h (struct calls): Add function_value_regno_p field.
 367         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
 368         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
 369         * targhooks.c (default_function_value_regno_p): New function.
 370         * targhooks.h (default_function_value_regno_p): Declare function.
 371         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
 372         * builtins.c. (apply_result_size): (Ditto.).
 373         * combine.c. (likely_spilled_retval_p): (Ditto.).
 374         * mode-switching.c. Include 'target.h'.
 375         (create_pre_exit): Use function_value_regno_p hook.
 376         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
 377         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
 378         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
 379
 380         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
 381         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
 382         (ix86_function_value_regno_p): Declare as static, change argument
 383         type to const unsigned int.
 384         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
 385
 386 2010-05-01  Richard Guenther  <rguenther@suse.de>
 387
 388         PR tree-optimization/43949
 389         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
 390         types.
 391         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
 392
 393 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
 394
 395         * rtl.h (CONST_DOUBLE_P): Define.
 396         (rtx_to_double_int): Declare.
 397         * emit-rtl.c (rtx_to_double_int): New function.
 398         * dwarf2out.c (insert_double): New function.
 399         (loc_descriptor, add_const_value_attribute): Clean up, use
 400         rtx_to_double_int and insert_double functions.
 401
 402 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
 403
 404         * doc/extend.texi (Inline): Add missing return keyword to examples.
 405         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
 406         "command-line".
 407
 408 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
 409
 410         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
 411         the variable part of the offset as well.  Use highest_pow2_factor for
 412         all alignment checks.
 413
 414 2010-04-30  Richard Guenther  <rguenther@suse.de>
 415
 416         PR tree-optimization/43879
 417         * tree-ssa-structalias.c (type_could_have_pointers): Functions
 418         can have pointers.
 419
 420 2010-04-30  Jan Hubicka  <jh@suse.cz>
 421
 422         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
 423         varpool.
 424         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
 425
 426 2010-04-30  Jan Hubicka  <jh@suse.cz>
 427
 428         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
 429         New.
 430         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
 431         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
 432         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
 433         cgraph_node_set_needs_ltrans_p): Remove.
 434
 435 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
 436
 437         * sdbout.c: Include vec.h, do not include varray.h.
 438         (deferred_global_decls, sdbout_global_decl,
 439         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
 440         * toplev.c: Do not include varray.h.
 441         (dump_memory_report): Do not dump VARRAY statistics.
 442         * gengtype.c (open_base_file): Ignore varray.h.
 443         * Makefile.in: Update for abovementioned changes.
 444         Remove all traces of varray.c and varray.h.
 445         * varray.c: Remove file.
 446         * varray.h: Remove file.
 447
 448 2010-04-30  Jan Hubicka  <jh@suse.cz>
 449
 450         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
 451         references.
 452
 453 2010-04-30  Jan Hubicka  <jh@suse.cz>
 454
 455         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
 456         needed.
 457
 458 2010-04-30  Richard Guenther  <rguenther@suse.de>
 459
 460         * tree-ssa-structalias.c (get_constraint_for_1): Generate
 461         constraints for CONSTRUCTOR.
 462
 463 2010-04-30  Richard Guenther  <rguenther@suse.de>
 464
 465         PR lto/43946
 466         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
 467         first after all lowering passes.
 468
 469 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
 470
 471         * toplev.c: Include varray.h for statistics dumping.
 472         * tree.h: Do not declare varray_head_tag.
 473         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
 474         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
 475         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
 476         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
 477         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
 478         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
 479         c-common.c, c-common.h, reg-stack.c, basic-block.h,
 480         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
 481         include varray.h.
 482         * Makefile.in: Update for abovementioned changes.
 483
 484 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
 485
 486         PR debug/43942
 487         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
 488
 489 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
 490
 491         * config/picochip/picochip.c (picochip_legitimize_address): Define.
 492         Use this function to do machine-specific conversion.
 493         (picochip_legitimize_reload_address): Likewise.
 494         (picochip_legitimate_address_p): Check valid base register only if
 495         strict.
 496         (picochip_check_conditional_copy): Check for modw only if opnd is
 497         register.
 498         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
 499         to call the function in c.
 500         * config/picochip/picochip-protos.h
 501         (picochip_legitimize_reload_address): Define.
 502         * config/picochip/picochip.md (supported_compare1): Define.
 503
 504 2010-04-30  Jan Hubicka  <jh@suse.cz>
 505
 506         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
 507         (cgraph_global_info): Remove inlined.
 508         (LTO_cgraph_tag_names): Remove.
 509         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
 510         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
 511         simplify cgraph tags and document.
 512         (lto_output_node): Use only LTO_cgraph_unavail_node and
 513         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
 514         for_functions_valid, global info, process and output flags.
 515         (input_overwrite_node): Initialize estimated stack size and
 516         estimated growth.  Do not read flags we no longer store.
 517         (input_node): Likewise do not read info no longer stored.
 518         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
 519         flag.
 520
 521 2010-04-30  Richard Guenther  <rguenther@suse.de>
 522
 523         PR tree-optimization/43879
 524         * tree-ssa-structalias.c (get_constraint_for_1): Properly
 525         handle non-zero initializers.
 526
 527 2010-04-30  Richard Guenther  <rguenther@suse.de>
 528
 529         * builtins.c (fold_builtin_1): Delete free (0).
 530
 531 2010-04-29  Jan Hubicka  <jh@suse.cz>
 532
 533         * gengtype.c (open_base_files): Add lto-streamer.h
 534         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
 535         (pass_ipa_cp): GGC collect.
 536         * toplev. (compile_file): Do not output symbols.
 537         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
 538         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
 539         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
 540         * lto-section-in.c: Include ggc.h
 541         (lto_new_in_decl_state): Alloc in GGC.
 542         (lto_delete_in_decl_state): Likewise.
 543         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
 544         Collect.
 545
 546 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
 547
 548         PR target/42895
 549         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
 550         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
 551         (HONOR_REG_ALLOC_ORDER): Describe new macro.
 552         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
 553         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
 554         account only if HONOR_REG_ALLOC_ORDER is not defined.
 555         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
 556         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
 557
 558 2010-04-29  Jon Grant  <04@jguk.org>
 559
 560         * collect2.c (vflag): Change type from int to bool.
 561         (debug): Likewise.
 562         (helpflag): New global bool.
 563         (main): Set vflag and debug with boolean, not integer truth values.
 564         Accept new "--help" option and output usage text if found.
 565         * collect2.h (vflag): Update prototype.
 566         (debug): Likewise.
 567
 568 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
 569
 570         PR bootstrap/43936
 571         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
 572
 573 2010-04-29  Richard Guenther  <rguenther@suse.de>
 574
 575         PR bootstrap/43935
 576         * plugin.h (invoke_plugin_callbacks): Annotate arguments
 577         with ATTRIBUTE_UNUSED.
 578
 579 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
 580
 581         PR target/43921
 582         * config/i386/i386.c (get_some_local_dynamic_name): Replace
 583         INSN_P with NONDEBUG_INSN_P.
 584         (distance_non_agu_define): Likewise.
 585         (distance_agu_use): Likewise.
 586
 587 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
 588
 589         From Dominique d'Humieres <dominiq@lps.ens.fr>
 590         PR bootstrap/43858
 591         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
 592         test_set.
 593
 594 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
 595
 596         * plugin.h (invoke_plugin_callbacks): New inline function.
 597         * plugin.c (flag_plugin_added): New global flag.
 598         (add_new_plugin): Initialize above flag.
 599         (invoke_plugin_callbacks): Rename to ...
 600         (invoke_plugin_callbacks_full): ... this.
 601
 602 2010-04-28  Jan Hubicka  <jh@suse.cz>
 603
 604         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
 605         (lto_varpool_replace_node): New.
 606         (lto_symtab_resolve_symbols): Resolve varpool nodes.
 607         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
 608         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
 609         * cgraph.h (varpool_node_ptr): New type.
 610         (varpool_node_ptr): New vector.
 611         (varpool_node_set_def): New structure.
 612         (varpool_node_set): New type.
 613         (varpool_node_set): New vector.
 614         (varpool_node_set_element_def): New structure.
 615         (varpool_node_set_element, const_varpool_node_set_element): New types.
 616         (varpool_node_set_iterator): New type.
 617         (varpool_node): Add prev pointers, add used_from_other_partition,
 618         in_other_partition.
 619         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
 620         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
 621         varpool_get_node, varpool_remove_node): Declare.
 622         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
 623         varpool_node_set_size): New inlines.
 624         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
 625         * tree-pass.h (varpool_node_set_def): Forward declare.
 626         (ipa_opt_pass_d): Summary writting takes vnode sets too.
 627         (ipa_write_optimization_summaries): Update prototype.
 628         * ipa-cp.c (ipcp_write_summary): Update.
 629         * ipa-reference.c (ipa_reference_write_summary): Update.
 630         * lto-cgraph.c (lto_output_varpool_node): New static function.
 631         (output_varpool): New function.
 632         (input_varpool_node): New static function.
 633         (input_varpool_1): New function.
 634         (input_cgraph): Input varpool.
 635         * ipa-pure-const.c (pure_const_write_summary): Update.
 636         * lto-streamer-out.c (lto_output): Update, output varpool too.
 637         (write_global_stream): Kill WPA hack.
 638         (produce_asm_for_decls): Update.
 639         (output_alias_pair_p): Handle variables.
 640         (output_unreferenced_globals): Output only needed partition of varpool.
 641         * ipa-inline.c (inline_write_summary): Update.
 642         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
 643         cgraph.
 644         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
 645         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
 646         varpool_node_set_new, varpool_node_set_add,
 647         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
 648         debug_varpool_node_set): New functions.
 649         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
 650         (execute_one_pass): Process new decls too.
 651         (ipa_write_summaries_2): Pass around vsets.
 652         (ipa_write_summaries_1): Likewise.
 653         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
 654         to add.
 655         (ipa_write_optimization_summaries_1): Pass around vsets.
 656         (ipa_write_optimization_summaries): Likewise.
 657         * varpool.c (varpool_get_node): New.
 658         (varpool_node): Update doubly linked lists.
 659         (varpool_remove_node): New.
 660         (dump_varpool_node): More dumping.
 661         (varpool_enqueue_needed_node): Update doubly linked lists.
 662         (decide_is_variable_needed): Kill ltrans hack.
 663         (varpool_finalize_decl): Kill lto hack.
 664         (varpool_assemble_decl): Skip decls in other partitions.
 665         (varpool_assemble_pending_decls): Update doubly linkes lists.
 666         (varpool_empty_needed_queue): Likewise.
 667         (varpool_extra_name_alias): Likewise.
 668         * lto-streamer.c (lto_get_section_name): Add vars section.
 669         * lto-streamer.h (lto_section_type): Update.
 670         (output_varpool, input_varpool): Declare.
 671
 672 2010-04-28  Mike Stump  <mikestump@comcast.net>
 673
 674         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
 675
 676 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
 677
 678         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
 679         record or union type with RECORD_OR_UNION_TYPE_P predicate.
 680         (lto_input_ts_type_tree_pointers): Likewise.
 681         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
 682         (lto_output_ts_type_tree_pointers): Likewise.
 683
 684 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
 685
 686         Uniquization of constants at the Tree level
 687         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
 688         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
 689         bit to the end.
 690         (tree_output_constant_def): Declare.
 691         * gimplify.c (gimplify_init_constructor): When using block copy, first
 692         uniquize the constant constructor on the RHS.
 693         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
 694         DECL_IN_CONSTANT_POOL flag.
 695         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
 696         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
 697         constant pool.
 698         (assemble_variable): Deal with symbols belonging to the tree constant
 699         pool.
 700         (get_constant_section): Add ALIGN parameter and simplify.
 701         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
 702         (assemble_constant_contents): Use the expression of the VAR_DECL.
 703         (output_constant_def_contents): Use the alignment of the VAR_DECL.
 704         (tree_output_constant_def): New global function.
 705         (mark_constant): Use the expression of the VAR_DECL.
 706         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
 707         its expression.
 708         (output_object_block): Likewise and assemble the expression.
 709
 710 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
 711
 712         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
 713         hash_tree, eq_tree): New tree hash table.
 714         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
 715         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
 716         lto_orig_address_remove): Reimplement.
 717
 718 2010-04-28  Xinliang David Li  <davidxl@google.com>
 719
 720         PR c/42643
 721         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
 722         (compute_uninit_opnds_pos): New function.
 723         (is_non_loop_exit_postdominating): New function.
 724         (compute_control_dep_chain): New function.
 725         (find_pdom): New function.
 726         (convert_control_dep_chain_into_preds): New function.
 727         (find_predicates): New function.
 728         (find_control_equiv_block): New function.
 729         (collect_phi_def_edges): New function.
 730         (find_def_preds): New function.
 731         (find_dom): New function.
 732         (dump_predicates): New function.
 733         (get_cmp_code): New function.
 734         (is_value_included_in): New function.
 735         (find_matching_predicate_in_rest_chains): New function.
 736         (use_pred_not_overlap_with_undef_path_pred): New function.
 737         (is_use_properly_guarded): New function.
 738         (normalize_cond_1): New function.
 739         (is_and_or_or): New function.
 740         (normalize_cond): New function.
 741         (is_gcond_subset_of): New function.
 742         (is_subset_of_any): New function.
 743         (is_or_set_subset_of): New function.
 744         (is_and_set_subset_of): New function.
 745         (is_norm_cond_subset_of): New function.
 746         (is_pred_expr_subset_of): New function.
 747         (is_pred_chain_subset_of): New function.
 748         (is_included_in): New function.
 749         (is_superset_of): New function.
 750         (find_uninit_use): New function.
 751         (warn_uninitialized_phi): New function.
 752         (compute_possibly_undefined_names): New function.
 753         (ssa_undefined_value_p): New function.
 754         (execute_late_warn_uninitialized): New function.
 755         * tree-ssa.c (ssa_undefined_value_p): Removed.
 756         (warn_uninit): Changed to extern.
 757         (warn_uninitialized_phi): Removed.
 758         (warn_uninitialized_vars): Changed to extern.
 759         (execute_late_warn_uninitialized): Removed
 760         * tree-flow.h: Add new prototypes.
 761         * timevar.def: Add new time variable.
 762         * Makefile.in: Add new build file.
 763
 764 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
 765
 766         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
 767         type if available.
 768
 769 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 770
 771         PR target/22224
 772         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
 773
 774 2010-04-28  Martin Jambor  <mjambor@suse.cz>
 775
 776         * cgraph.h (struct cgraph_node): New field indirect_calls.
 777         (struct cgraph_indirect_call_info): New type.
 778         (struct cgraph_edge): Removed field indirect_call. New fields
 779         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
 780         (cgraph_create_indirect_edge): Declare.
 781         (cgraph_make_edge_direct): Likewise.
 782         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
 783         * ipa-prop.h (struct ipa_param_call_note): Removed.
 784         (struct ipa_node_params): Removed field param_calls.
 785         (ipa_create_all_structures_for_iinln): Declare.
 786         * cgraph.c: Described indirect edges and uids in initial comment.
 787         (cgraph_add_edge_to_call_site_hash): New function.
 788         (cgraph_edge): Search also among the indirect edges, use
 789         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
 790         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
 791         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
 792         site hash.
 793         (initialize_inline_failed): Assign a reason to indirect edges.
 794         (cgraph_create_edge_1): New function.
 795         (cgraph_create_edge): Moved some functionality to
 796         cgraph_create_edge_1.
 797         (cgraph_create_indirect_edge): New function.
 798         (cgraph_edge_remove_callee): Add an assert checking for
 799         non-indirectness.
 800         (cgraph_edge_remove_caller): Special-case indirect edges.
 801         (cgraph_remove_edge): Likewise.
 802         (cgraph_set_edge_callee): New function.
 803         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
 804         (cgraph_make_edge_direct): New function.
 805         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
 806         the declaration of the call statement matches.
 807         (cgraph_node_remove_callees): Special-case indirect edges.
 808         (cgraph_clone_edge): Likewise.
 809         (cgraph_clone_node): Clone also the indirect edges.
 810         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
 811         indirect_call, dump count of indirect_calls edges.
 812         * ipa-prop.c (iinlining_processed_edges): New variable.
 813         (ipa_note_param_call): Create indirect edges instead of
 814         creating notes.  New parameter node.
 815         (ipa_analyze_call_uses): New parameter node, pass it on to
 816         ipa_note_param_call.
 817         (ipa_analyze_stmt_uses): Likewise.
 818         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
 819         (print_edge_addition_message): Work on edges rather than on notes.
 820         (update_call_notes_after_inlining): Likewise, renamed to
 821         update_indirect_edges_after_inlining.
 822         (ipa_create_all_structures_for_iinln): New function.
 823         (ipa_free_node_params_substructures): Do not free notes.
 824         (ipa_edge_duplication_hook): Propagate bits within
 825         iinlining_processed_edges bitmap.
 826         (ipa_node_duplication_hook): Do not duplicate notes.
 827         (free_all_ipa_structures_after_ipa_cp): Renamed to
 828         ipa_free_all_structures_after_ipa_cp.
 829         (free_all_ipa_structures_after_iinln): Renamed to
 830         ipa_free_all_structures_after_iinln.g
 831         (ipa_write_param_call_note): Removed.
 832         (ipa_read_param_call_note): Removed.
 833         (ipa_write_indirect_edge_info): New function.
 834         (ipa_read_indirect_edge_info): Likewise.
 835         (ipa_write_node_info): Do not stream notes, do stream information
 836         in indirect edges.
 837         (ipa_read_node_info): Likewise.
 838         (lto_ipa_fixup_call_notes): Removed.
 839         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
 840         * ipa-inline.c (pass_ipa_inline): Likewise.
 841         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
 842         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
 843         * tree-inline.c (copy_bb): Removed an unnecessary double check for
 844         is_gimple_call.
 845         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
 846         edges.
 847         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
 848         (output_cgraph): Stream also indirect edges.
 849         (lto_output_edge): Added capability to stream indirect edges.
 850         (input_edge): Likewise.
 851         (input_cgraph_1): Likewise.
 852         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
 853         of indirect edges.
 854
 855 2010-04-28  Richard Guenther  <rguenther@suse.de>
 856
 857         PR tree-optimization/43879
 858         PR tree-optimization/43909
 859         * tree-ssa-structalias.c (struct variable_info): Add
 860         only_restrict_pointers flag.
 861         (new_var_info): Initialize it.  Increment stats.total_vars here.
 862         (create_function_info_for): Do not increment stats.total_vars
 863         here.
 864         (get_function_part_constraint): Fix build with C++.
 865         (insert_into_field_list): Remove.
 866         (push_fields_onto_fieldstack): Properly merge fields.
 867         (create_variable_info_for): Split and simplify.
 868         (create_variable_info_for_1): New piece.
 869         (intra_create_variable_infos): Properly make restrict constraints
 870         from parameters.
 871
 872 2010-04-28  Richard Guenther  <rguenther@suse.de>
 873
 874         PR c++/43880
 875         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
 876
 877 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
 878             Jan Hubicka <hubicka@ucw.cz>
 879
 880         * doc/invoke.texi (-Wsuggest-attribute=const,
 881         -Wsuggest-attribute=pure): Document.
 882         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
 883         (function_always_visible_to_compiler_p,
 884         suggest_attribute, warn_function_pure, warn_function_const):
 885         New functions.
 886         (check_call): Improve debug info.
 887         (analyze_function): Do not check availability.
 888         (add_new_function): Check availability.
 889         (propagate): Output warnings.
 890         (skip_function_for_local_pure_const): New function.
 891         (local_pure_const): Use it; output warnings.
 892         * common.opt (Wsuggest-attribute=const,
 893         Wsuggest-attribute=pure): New.
 894
 895 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
 896
 897         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
 898         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
 899         or DW_CFA_def_cfa_offset{,_sf}.
 900
 901 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
 902
 903         * tree.h: Fix truncated long macros.
 904
 905 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
 906
 907         * collect2.c (TARGET_64BIT): Redefine to target's default.
 908         * tlink.c: Likewise.
 909         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
 910         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
 911         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
 912         for underscoring __USER_LABEL_PREFIX__.
 913         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
 914         (SUB_LINK_ENTRY32): New.
 915         (SUB_LINK_ENTRY64): New.
 916         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
 917         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
 918         (SUB_LINK_ENTRY64): New.
 919         (SUB_LINK_ENTRY): New.
 920         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
 921         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
 922         x64 target is choosen.
 923         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
 924         * configure: Regenerated.
 925         * configure.ac (leading-mingw64-underscores): Option added.
 926
 927 2010-04-27  Jan Hubicka  <jh@suse.cz>
 928
 929         * doc/invoke.texi (-fipa-profile): Document.
 930         * opts.c (decode_options): Enable ipa-profile at -O1.
 931         * timevar.def (TV_IPA_PROFILE): Define.
 932         * common.opt (fipa-profile): Add.
 933         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
 934         flag for clones.
 935         (cgraph_propagate_frequency): Handle only local ones.
 936         * tree-pass.h (pass_ipa_profile): Declare.
 937         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
 938         (pass_ipa_profile): Use TV_IPA_PROFILE.
 939         * ipa.c (ipa_profile): New function.
 940         (gate_ipa_profile): Likewise.
 941         (pass_ipa_profile): New global variable.
 942         * passes.c (pass_ipa_profile): New.
 943
 944 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
 945
 946         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
 947
 948 2010-04-27  Martin Jambor  <mjambor@suse.cz>
 949
 950         PR middle-end/43812
 951         * ipa.c (dissolve_same_comdat_group_list): New function.
 952         (function_and_variable_visibility): Call
 953         dissolve_same_comdat_group_list when comdat group contains external or
 954         newly local nodes.
 955         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
 956         lists are circular and that they contain only DECL_ONE_ONLY nodes.
 957
 958 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
 959
 960         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
 961         (const_hash_1) <VECTOR_CST>: New case.
 962         (compare_constant) <VECTOR_CST>: Likewise.
 963         <ADDR_EXPR>: Deal with LABEL_REFs.
 964         (copy_constant) <VECTOR_CST>: New case.
 965
 966 2010-04-27  Jan Hubicka  <jh@suse.cz>
 967
 968         * cgraph.c (cgraph_propagate_frequency): New function.
 969         * cgraph.h (cgraph_propagate_frequency): Declare.
 970         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
 971         cgraph_propagate_frequency.
 972
 973 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
 974
 975         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
 976
 977 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
 978
 979         PR target/40657
 980         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
 981         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
 982         here to determine which regs to push and how much stack to reserve.
 983
 984 2010-04-27  Jie Zhang  <jie@codesourcery.com>
 985
 986         * doc/gimple.texi (gimple_statement_with_ops): Remove
 987         addresses_taken field.
 988         (gimple_statement_with_memory_ops): Likewise.
 989
 990 2010-04-27  Jan Hubicka  <jh@suse.cz>
 991
 992         * tree-inline.c (eni_inlining_weights): Remove.
 993         (estimate_num_insns): Special case more builtins.
 994
 995 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
 996
 997         PR c/32207
 998         * c-typeck.c (build_binary_op): Move forward check for comparison
 999         pointer with null pointer constant and adjust the diagnostic message.
1000
1001 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
1002
1003         PR lto/42776
1004         * configure.ac (gcc_cv_as_section_has_align): Set if installed
1005         binutils supports extended .section directive needed by LTO, or
1006         warn if older binutils found.
1007         (LTO_BINARY_READER): New AC_SUBST'd variable.
1008         (LTO_USE_LIBELF): Likewise.
1009         * gcc/config.gcc (lto_binary_reader): New target-specific configure
1010         variable.
1011         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
1012         (LTO_USE_LIBELF): Likewise.
1013         * configure: Regenerate.
1014
1015         * collect2.c (is_elf): Rename from this ...
1016         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
1017          object files in addition to ELF-formatted ones.
1018         (scan_prog_file): Caller updated.  Also allow for LTO info marker
1019         symbol to be prefixed or not by an extra underscore.
1020
1021         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
1022         * config/i386/winnt.c: Also #include lto-streamer.h
1023         (i386_pe_asm_named_section): Specify 1-byte section alignment for
1024         LTO named sections.
1025         (i386_pe_asm_output_aligned_decl_common): Add comment.
1026         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
1027
1028 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
1029
1030         PR target/43889
1031         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
1032         Add missing earlyclobber for second alternative.
1033
1034 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
1035
1036         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
1037         bits for artificial defs at the top of the block.
1038         * fwprop.c (single_def_use_enter_block): Don't call it.
1039
1040 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
1041
1042         PR 43715
1043         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
1044         instead of "$gcc_cv_objdump -T".
1045         Use "-undefined dynamic_lookup" on darwin.
1046         * gcc/configure: Regenerate.
1047
1048 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
1049
1050         PR c/43893
1051         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
1052
1053 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1054
1055         * c-parser.c (struct c_token): Move location field up.
1056         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
1057         (struct c_declspecs): Convert typespec_word, storage_class, and
1058         default_int_p into bitfields.
1059         (struct c_declarator): Move loc field up.
1060
1061 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1062
1063         * cfgloop.h (struct loop): Move can_be_parallel field up.
1064         * ipa-prop.h (struct ip_node_params): Move bitfields up.
1065         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
1066         down.
1067         (struct iv_cand): Convert pos field into a bitfield.
1068         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
1069         field up.
1070         (struct _stmt_vec_info): Shuffle fields for better packing.
1071
1072 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1073
1074         * varasm.c (IN_NAMED_SECTION): Remove guard.
1075         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
1076         (IN_NAMED_SECTION_P): ...this.
1077         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
1078         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1079
1080 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1081
1082         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
1083         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
1084         of shadowing it.  Fix comments.
1085
1086 2010-04-26  Jan Hubicka  <jh@suse.cz>
1087
1088         * cgraph.c (cgraph_create_node): Set node frequency to normal.
1089         (cgraph_clone_node): Copy function frequency.
1090         * cgraph.h (node_frequency): New enum
1091         (struct cgraph_node): Add.
1092         * final.c (rest_of_clean_state): Update.
1093         * lto-cgraph.c (lto_output_node): Output node frequency.
1094         (input_overwrite_node): Input node frequency.
1095         * tre-ssa-loop-ivopts (computation_cost): Update.
1096         * lto-streamer-out.c (output_function): Do not output function
1097         frequency.
1098         * predict.c (maybe_hot_frequency_p): Update and handle functions
1099         executed once.
1100         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
1101         attribute lookup.
1102         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
1103         (compute_function_frequency): Set noreturn functions to be executed
1104         once.
1105         (choose_function_section): Update.
1106         * lto-streamer-in.c (input_function): Do not input function frequency.
1107         * function.c (allocate_struct_function): Do not initialize function
1108         frequency.
1109         * function.h (function_frequency): Remove.
1110         (struct function): Remove function frequency.
1111         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
1112         (try_update): Update.
1113         * tree-inline.c (initialize_cfun): Do not update function frequency.
1114         * passes.c (pass_init_dump_file): Update.
1115         * i386.c (ix86_compute_frame_layout): Update.
1116         (ix86_pad_returns): Update.
1117
1118 2010-04-26  Jie Zhang  <jie@codesourcery.com>
1119
1120         PR tree-optimization/43833
1121         * tree-vrp.c (range_int_cst_p): New.
1122         (range_int_cst_singleton_p): New.
1123         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
1124         when both operands are constants.  Use range_int_cst_p in
1125         BIT_IOR_EXPR case.
1126
1127 2010-04-26  Jan Hubicka  <jh@suse.cz>
1128
1129         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
1130
1131 2010-04-26  Richard Guenther  <rguenther@suse.de>
1132
1133         PR lto/43080
1134         * gimple.c (gimple_decl_printable_name): Deal gracefully
1135         with a NULL DECL_NAME.
1136
1137 2010-04-26  Richard Guenther  <rguenther@suse.de>
1138
1139         PR lto/42425
1140         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
1141         if emitting debug information and it is either a function
1142         or a namespace decl.
1143
1144 2010-04-26  Ira Rosen  <irar@il.ibm.com>
1145
1146         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
1147         determine if the statement is vectorizable, and a macro to access it.
1148         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1149         Skip statements that can't be vectorized. If the analysis fails,
1150         mark the statement as unvectorizable if vectorizing basic block.
1151         (vect_compute_data_refs_alignment): Likewise.
1152         (vect_verify_datarefs_alignment): Skip statements marked as
1153         unvectorizable. Add print.
1154         (vect_analyze_group_access): Skip statements that can't be
1155         vectorized. If the analysis fails, mark the statement as
1156         unvectorizable if vectorizing basic block.
1157         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
1158         * tree-vect-stmts.c (vectorizable_store): Fix the number of
1159         generated stmts for SLP.
1160         (new_stmt_vec_info): Initialize the new field.
1161         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
1162         statements marked as unvectorizable.
1163
1164 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
1165
1166         * c-common.c (flag_isoc1x): New.
1167         (flag_isoc99): Update comment.
1168         * c-common.h (flag_isoc1x): New.
1169         (flag_isoc99): Update comment.
1170         * c-cppbuiltin.c (builtin_define_float_constants): Also define
1171         __<type>_DECIMAL_DIG__.
1172         * c-opts.c (set_std_c1x): New.
1173         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
1174         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
1175         * c.opt (-std=c1x, -std=gnu1x): New options.
1176         * doc/cpp.texi: Mention -std=c1x.
1177         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
1178         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
1179         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
1180         * doc/standards.texi: Mention C1X.
1181         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
1182         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
1183         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
1184         Define for C1X.
1185
1186 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
1187
1188         * config/i386/gmon-sol2.c (_mcleanup): Change format string
1189         placeholder from 0x%x to %#x.
1190         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1191         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1192         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1193         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1194         * config/i386/i386.c (ix86_target_string): Ditto.
1195         (output_pic_addr_const): Ditto.
1196         (print_operand): Ditto.
1197
1198 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
1199
1200         * combine.c (find_split_point): Add third argument.  Use it
1201         to find nested multiply-accumulate instructions.  Adjust calls.
1202         (try_combine): Adjust call to find_split_point.
1203
1204 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
1205
1206         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
1207
1208 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
1209
1210         PR tree-optimization/41442
1211         * fold-const.c (merge_truthop_with_opposite_arm): New function.
1212         (fold_binary_loc): Call it.
1213
1214 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1215
1216         * toplev.c (general_init): Set default for fdiagnostics-show-option.
1217         * opts.c (common_handle_option): Allow disabling it.
1218         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
1219
1220 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
1221
1222         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
1223         between modes if both types are integral.
1224
1225 2010-04-23  Richard Guenther  <rguenther@suse.de>
1226
1227         PR tree-optimization/43572
1228         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
1229
1230 2010-04-23  Richard Guenther  <rguenther@suse.de>
1231
1232         PR lto/43455
1233         * tree-inline.c (tree_can_inline_p): Also check compatibility
1234         of return types.
1235
1236 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1237
1238         PR tree-optimization/43846
1239         * tree-sra.c (struct access): New flag grp_assignment_read.
1240         (build_accesses_from_assign): Set grp_assignment_read.
1241         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
1242         (enum mark_read_status): New type.
1243         (analyze_access_subtree): Propagate grp_assignment_read, create
1244         accesses also if both direct_read and root->grp_assignment_read.
1245
1246 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1247
1248         PR middle-end/43835
1249         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
1250         function does not have type attributes.
1251
1252 2010-04-23  Richard Guenther  <rguenther@suse.de>
1253
1254         PR lto/42653
1255         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
1256         of FUNCTION_DECLs.
1257
1258 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1259
1260         * sese.h (create_if_region_on_edge): Remove.
1261
1262         * sese.c (create_if_region_on_edge): Make static.
1263
1264         * tree-inline.c: Do not include ggc.h.
1265
1266         * expr.c: Do not include ggc.h.
1267
1268         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
1269         dependencies.
1270
1271 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1272
1273         PR target/43744
1274         * config/sh/sh.c (find_barrier): Don't emit a constant pool
1275         in the middle of insns for casesi_worker_2.
1276
1277 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
1278
1279         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
1280
1281 2010-04-22  Ira Rosen  <irar@il.ibm.com>
1282
1283         PR tree-optimization/43842
1284         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
1285         loop unrolling in update of exit phis. Fix comment.
1286         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
1287         least two reduction statements in the loop before starting SLP
1288         analysis.
1289
1290 2010-04-22  Nick Clifton  <nickc@redhat.com>
1291
1292         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
1293
1294 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
1295
1296         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
1297         to simplify a + ~a.
1298
1299 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1300
1301         * tree-parloops.c (loop_parallel_p): New argument
1302         parloop_obstack.  Pass it down.
1303         (parallelize_loops): New variable parloop_obstack.  Initialize it,
1304         pass it down, free it.
1305
1306         * tree-loop-linear.c (linear_transform_loops): Pass down
1307         lambda_obstack.
1308
1309         * tree-data-ref.h (lambda_compute_access_matrices): New argument
1310         of type struct obstack *.
1311
1312         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
1313         scratch_obstack.  Initialize it, pass down, free it.
1314
1315         * lambda.h (lambda_loop_new): Remove.
1316         (lambda_matrix_new, lambda_matrix_inverse)
1317         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
1318         argument of type struct obstack *.
1319
1320         * lambda-trans.c (lambda_trans_matrix_new): New argument
1321         lambda_obstack.  Pass it down, use obstack allocation for ret.
1322         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
1323         it down.
1324
1325         * lambda-mat.c (lambda_matrix_get_column)
1326         (lambda_matrix_project_to_null): Remove.
1327         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
1328         allocation for mat.
1329         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
1330         lambda_obstack.
1331
1332         * lambda-code.c (lambda_loop_new): New function.
1333         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
1334         (lambda_compute_auxillary_space, lambda_compute_target_space)
1335         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
1336         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
1337         (build_access_matrix): New argument lambda_obstack.  Use obstack
1338         allocation for am.
1339         (lambda_compute_step_signs, lambda_compute_access_matrices): New
1340         argument lambda_obstack.  Pass it down.
1341
1342 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1343
1344         * optabs.h (expand_widening_mult): Declare.
1345
1346 2010-04-22  Richard Guenther  <rguenther@suse.de>
1347
1348         PR tree-optimization/43845
1349         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
1350         lookup the CALL_EXPR function and arguments.
1351
1352 2010-04-22  Nick Clifton  <nickc@redhat.com>
1353
1354         * config/stormy16/stormy16.c
1355         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
1356         * config/stormy16/stormy16.h: Tidy up formatting.
1357         (DONT_USE_BUILTIN_SETJMP): Remove definition.
1358         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
1359         (ineqbranchsi): Delete pattern.
1360         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
1361         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
1362         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
1363         stormy16-lib2-ucmpsi2.c.
1364
1365 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1366
1367         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
1368         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
1369         extra set merge_set_noclobber, and use it to relax the final test
1370         slightly.
1371         * df.h (df_simulate_find_noclobber_defs): Declare.
1372         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
1373         conditional defs.
1374         (df_simulate_find_noclobber_defs): New function.
1375
1376 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
1377
1378         * config/i386/i386.md: Use {} around multi-line preparation statements.
1379
1380 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1381
1382         * c-tree.h (push_init_level, pop_init_level, set_init_index)
1383         (process_init_element): New argument of type struct obstack *.
1384
1385         * c-typeck.c (push_init_level, pop_init_level, set_designator)
1386         (set_init_index, set_init_label, set_nonincremental_init)
1387         (set_nonincremental_init_from_string, find_init_member)
1388         (output_init_element, output_pending_init_elements)
1389         (process_init_element): New argument braced_init_obstack.  Pass it
1390         down.
1391         (push_range_stack, add_pending_init): New argument
1392         braced_init_obstack.  Use obstack allocation.
1393
1394         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
1395         braced_init_obstack.  Pass it down.
1396         (c_parser_braced_init): New variables ret, braced_init_obstack.
1397         Initialize obstack, pass it down and finally free it.
1398
1399 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1400
1401         PR middle-end/29274
1402         * tree-pass.h (pass_optimize_widening_mul): Declare.
1403         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
1404         gate_optimize_widening_mul): New static functions.
1405         (pass_optimize_widening_mul): New.
1406         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
1407         <case MULT_EXPR>: Remove support for widening multiplies.
1408         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
1409         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
1410         simplify_gen_unary rather than directly building extensions.
1411         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
1412         WIDEN_MULT_EXPR.
1413         * expmed.c (expand_widening_mult): New function.
1414         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
1415
1416 2010-04-21  Jan Hubicka  <jh@suse.cz>
1417
1418         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
1419         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
1420         * lto-wpa-fixup.c: Remove.
1421         * Makefile.in (lto-wpa-fixup.o): Remove.
1422         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
1423         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
1424         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
1425
1426 2010-04-21  Jan Hubicka  <jh@suse.cz>
1427
1428         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
1429         add write_optimization_summary, read_optimization_summary.
1430         (ipa_write_summaries_of_cgraph_node_set): Remove.
1431         (ipa_write_optimization_summaries): Declare.
1432         (ipa_read_optimization_summaries): Declare.
1433         * ipa-cp.c (pass_ipa_cp): Update.
1434         * ipa-reference.c (pass_ipa_reference): Update.
1435         * ipa-pure-const.c (pass_ipa_pure_const): Update.
1436         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
1437         Update.
1438         * ipa-inline.c (pass_ipa_inline): Update.
1439         * ipa.c (pass_ipa_whole_program): Update.
1440         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
1441         * passes.c (ipa_write_summaries_1): Do not test wpa.
1442         (ipa_write_optimization_summaries_1): New.
1443         (ipa_write_optimization_summaries): New.
1444         (ipa_read_summaries): Do not test ltrans.
1445         (ipa_read_optimization_summaries_1): New.
1446         (ipa_read_optimization_summaries): New.
1447
1448 2010-04-21  Jan Hubicka  <jh@suse.cz>
1449
1450         * lto-cgraph.c (lto_output_node): Do not output comdat groups
1451         for boundary nodes.
1452         (output_cgraph): Do not arrange comdat groups for boundary nodes.
1453
1454 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1455
1456         PR debug/40040
1457         * dwarf2out.c (add_name_and_src_coords_attributes): Add
1458         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1459
1460 2010-04-21  Jan Hubicka  <jh@suse.cz>
1461
1462         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1463
1464 2010-04-21  Jan Hubicka  <jh@suse.cz>
1465
1466         * varpool.c (decide_is_variable_needed): Variable is always needed
1467         during ltrans.
1468
1469 2010-04-21  Jan Hubicka  <jh@suse.cz>
1470
1471         * opts.c (decode_options): Enable pure-const pass for whopr.
1472
1473 2010-04-21  Jan Hubicka  <jh@suse.cz>
1474
1475         * cgraph.c (dump_cgraph_node): Dump also assembler name.
1476         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1477         at WPA dumping.
1478         (cgraph_decide_inlining): Do not expect callee to be removed in all
1479         cases.
1480
1481 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
1482
1483         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1484
1485 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1486
1487         * config/i386/i386.md (x86_shrd): Add athlon_decode and
1488         amdfam10_decode attributes.
1489
1490 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1491
1492         PR middle-end/43570
1493         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1494         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1495         (lower_copyprivate_clauses): Use private var in outer
1496         context instead of original var.  Make sure the types
1497         are correct for VLAs.
1498
1499 2010-04-21  Richard Guenther  <rguenther@suse.de>
1500
1501         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1502         to non-pointer objects.
1503
1504 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1505
1506         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
1507         last chain entry if it starts with the still current label.
1508         (add_location_or_const_value_attribute): Check that
1509         loc_list->first->next is NULL instead of comparing ->first with ->last.
1510         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1511         to add_var_loc_to_decl.
1512
1513         * dwarf2out.c (output_call_frame_info): For dw_cie_version
1514         >= 4 add also address size and segment size fields into CIE header.
1515
1516         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1517         long as address size is the same as sizeof (void *) and
1518         segment size is 0.
1519         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
1520         address size or segment size is unexpected, return DW_EH_PE_omit.
1521         (classify_object_over_fdes): If get_cie_encoding returned
1522         DW_EH_PE_omit, return -1.
1523         (init_object): If classify_object_over_fdes returned -1,
1524         pretend there were no FDEs at all.
1525
1526 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1527
1528         * config/i386/i386.md (bswap<mode>2): Macroize expander from
1529         bswap{si,di}2 using SWI48 mode iterator.
1530         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1531         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
1532         set modrm attribute of bswap insn to 0 and remove length attribute.
1533         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1534         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
1535         set mode attribute to <MODE> and remove length attribute.
1536
1537 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
1538
1539         PR rtl-optimization/43520
1540         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1541         zero available registers.
1542
1543 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1544
1545         * builtins.c (fold_builtin_cproj): Fold more cases.
1546
1547 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1548
1549         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1550         (fold_builtin_1): Fold builtin cproj.
1551         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1552         Use ATTR_CONST_NOTHROW_LIST.
1553
1554 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
1555
1556         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1557         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
1558         ffsi2_no_cmove for !TARGET_CMOVE.
1559         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
1560         (ffssi2): Remove expander.
1561         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1562         mode iterator.
1563         (ctz<mode>2): Ditto from ctz{si,di}2.
1564         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1565         mode iterator.
1566         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1567         mode iterator.
1568
1569 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1570
1571         * dwarf2out.c (AT_linkage_name): Define.
1572         (clone_as_declaration): Handle DW_AT_linkage_name.
1573         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1574         of DW_AT_MIPS_linkage_name.
1575         (move_linkage_attr): Likewise.
1576         (dwarf2out_finish): Likewise.
1577
1578 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
1579
1580         PR middle-end/41952
1581         * fold-const.c (fold_comparison): New folding rule.
1582
1583 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
1584
1585         * double-int.h (double_int_setbit): Declare.
1586         * double-int.c (double_int_setbit): New function.
1587         * rtl.h (immed_double_int_const): Declare.
1588         * emit-rtl.c (immed_double_int_const): New function.
1589         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1590         and immed_double_int_const functions.
1591         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1592         expand_copysign_bit):  (Ditto.).
1593         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1594         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1595         * dojump.c (prefer_and_bit_test): (Ditto.).
1596         * expr.c (convert_modes, reduce_to_bit_field_precision,
1597         const_vector_from_tree): (Ditto.).
1598         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1599
1600 2010-04-20  Jan Hubicka  <jh@suse.cz>
1601
1602         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1603         (dump_cgraph_node): Dump new flags.
1604         * cgraph.h (struct cgraph_node): Add flags
1605         reachable_from_other_partition and in_other_partition.
1606         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1607         other partition can not be removed.
1608         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1609         the other partition must be output; silence sanity checking on
1610         leaking functions bodies from other paritition.
1611         * lto-cgraph.c (reachable_from_other_partition_p): New function.
1612         (lto_output_node): Output new flags; do not sanity check that inline
1613         clones are output; drop lto_forced_extern_inline_p code; do not mock
1614         visibility flags at partition boundaries.
1615         (add_node_to): New function.
1616         (output_cgraph): Use it to sort functions so masters appear before
1617         clones.
1618         (input_overwrite_node): Input new flags.
1619         * passes.c (ipa_write_summaries): Do not call
1620         lto_new_extern_inline_states.
1621         * lto-section-out.c (forced_extern_inline,
1622         lto_new_extern_inline_states lto_delete_extern_inline_states,
1623         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
1624         * lto-streamer.h (lto_new_extern_inline_states,
1625         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
1626         lto_forced_extern_inline_p): Kill.
1627
1628 2010-04-20  Richard Guenther  <rguenther@suse.de>
1629
1630         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
1631         from vars that can have pointers.
1632         (process_constraint): Dump useless constraints.
1633
1634 2010-04-20  Richard Guenther  <rguenther@suse.de>
1635
1636         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
1637         (dump_sa_points_to_info): Remove asserts.
1638         (init_base_vars): nothing_id isn't an escape point nor does it
1639         have pointers.
1640
1641 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1642
1643         * tree.h (TYPE_REF_IS_RVALUE): Define.
1644         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
1645         should_move_die_to_comdat, prune_unused_types_walk): Handle
1646         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
1647         (modified_type_die, gen_reference_type_die): Emit
1648         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
1649         if TYPE_REF_IS_RVALUE and -gdwarf-4.
1650
1651 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1652
1653         PR target/43635
1654         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
1655         calls for -fpic -m31 if they have been sibcall optimized.
1656
1657 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
1658
1659         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
1660         ar.lc fixed and call-used.
1661
1662         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
1663
1664 2010-04-19  Jan Hubicka  <jh@suse.cz>
1665
1666         * opts.c (decode_options): Disable whpr incompatible passes.
1667         * lto/lto.c (lto_1_to_1_map): Skip clones.
1668         (read_cgraph_and_symbols): Do not mark everything as needed.
1669         (do_whole_program_analysis): Do map only after optimizing;
1670         set proper cgraph_state; use passmanager.
1671
1672 2010-04-19  DJ Delorie  <dj@redhat.com>
1673
1674         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
1675         POINTER_PLUS_EXPR and fix them.
1676
1677 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
1678
1679         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
1680         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
1681         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
1682         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
1683         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
1684         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
1685         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
1686         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
1687         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
1688         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
1689         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
1690
1691 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
1692
1693         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
1694         (check_cond_move_block): Likewise.
1695         (cond_move_process_if_block): Likewise.
1696         (noce_find_if_block): Improve formatting.
1697         (find_if_header): Pass 0 to memset and tweak conditions.
1698         (cond_exec_find_if_block): Fix long lines and tweak conditions.
1699
1700 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1701
1702         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
1703         for -gdwarf-4.
1704
1705         PR middle-end/43337
1706         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
1707         with non-local decl doesn't need chain.
1708
1709 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
1710
1711         * ira-color.c (allocno_reload_assign): Avoid accumulating
1712         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1713
1714 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1715
1716         * gimple.h (create_tmp_reg): Declare.
1717         * gimplify.c (create_tmp_reg): New function.
1718         (gimplify_return_expr): Use create_tmp_reg.
1719         (gimplify_omp_atomic): Likewise.
1720         (gimple_regimplify_operands): Likewise.
1721         * tree-dfa.c (make_rename_temp): Likewise.
1722         * tree-predcom.c (predcom_tmp_var): Likewise.
1723         (reassociate_to_the_same_stmt): Likewise.
1724         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1725         (get_replaced_param_substitute): Likewise.
1726         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1727         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1728         * tree-ssa-pre.c (get_representative_for): Likewise.
1729         (create_expression_by_pieces): Likewise.
1730         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1731         (create_tailcall_accumulator): Likewise.
1732
1733 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1734
1735         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1736         new_stmt.
1737         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1738
1739 2010-04-19  Richard Guenther  <rguenther@suse.de>
1740
1741         PR tree-optimization/43796
1742         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1743         from SCEV in the lattice.
1744         (vrp_visit_phi_node): Dump change.
1745
1746 2010-04-19  Richard Guenther  <rguenther@suse.de>
1747
1748         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1749         * configure: Re-generated.
1750
1751 2010-04-19  Richard Guenther  <rguenther@suse.de>
1752
1753         PR tree-optimization/43783
1754         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1755         constant ARRAY_REF operands two and three if possible.
1756
1757 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
1758
1759         PR target/43766
1760         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1761
1762 2010-04-19  Jie Zhang  <jie@codesourcery.com>
1763
1764         PR target/43662
1765         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1766
1767 2010-04-19  Ira Rosen  <irar@il.ibm.com>
1768
1769         PR tree-optimization/37027
1770         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1771         and macro to access it.
1772         (vectorizable_reduction): Add argument.
1773         (vect_get_slp_defs): Likewise.
1774         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1775         statements for possible use in SLP.
1776         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1777         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1778         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1779         add new argument.
1780         (vectorizable_reduction): Likewise.
1781         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1782         vect_get_slp_defs.
1783         (vectorizable_type_demotion, vectorizable_type_promotion,
1784         vectorizable_store): Likewise.
1785         (vect_analyze_stmt): Update call to vectorizable_reduction.
1786         (vect_transform_stmt): Likewise.
1787         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1788         (vect_build_slp_tree): Fix indentation. Check that there are no loads
1789         from different interleaving chains in same node.
1790         (vect_slp_rearrange_stmts): New function.
1791         (vect_supported_load_permutation_p): Allow load permutations for
1792         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1793         inside SLP nodes if necessary.
1794         (vect_analyze_slp_instance): Handle reductions.
1795         (vect_analyze_slp): Try to build SLP instances originating from groups
1796         of reductions.
1797         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1798         (vect_get_constant_vectors): Create initial vectors for reductions
1799         according to reduction code. Add new argument.
1800         (vect_get_slp_defs): Add new argument, pass it to
1801         vect_get_constant_vectors.
1802         (vect_schedule_slp_instance): Remove SLP tree root statements.
1803
1804 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1805
1806         * tree.h (ENUM_IS_SCOPED): Define.
1807         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
1808         for ENUM_IS_SCOPED enums.
1809
1810 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
1811
1812         * fold-const.c (fold_comparison): Use ssizetype.
1813         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
1814         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
1815         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
1816         * tree-object-size.c (compute_object_sizes): Use size_type_node.
1817
1818         * tree.h (initialize_sizetypes): Remove parameter.
1819         (build_common_tree_nodes): Remove second parameter.
1820         * stor-layout.c (initialize_sizetypes): Remove parameter.
1821         Always create an unsigned type.
1822         (set_sizetype): Assert that the passed type is unsigned and simplify.
1823         * tree.c (build_common_tree_nodes): Remove second parameter.
1824         Adjust call to initialize_sizetypes.
1825         * c-decl.c (c_init_decl_processing): Remove second argument in call to
1826         build_common_tree_nodes.
1827
1828 2010-04-18  Matthias Klose  <doko@ubuntu.com>
1829
1830         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
1831
1832 2010-04-18  Ira Rosen  <irar@il.ibm.com>
1833
1834         PR tree-optimization/43771
1835         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
1836         load permutation doesn't have gaps.
1837
1838 2010-04-18  Jan Hubicka  <jh@suse.cz>
1839
1840         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
1841         (sse_prologue_save_insn expander): Use new pattern.
1842         (sse_prologue_save_insn1): New pattern and splitter.
1843         (sse_prologue_save_insn): Update to deal also with 64bit aligned
1844         blocks.
1845         * i386.c (setup_incoming_varargs_64): Do not compute jump
1846         destination here.
1847         (ix86_gimplify_va_arg): Update alignment needed.
1848         (ix86_local_alignment): Do not align all local arrays to 128bit.
1849
1850 2010-04-17  Jan Hubicka  <jh@suse.cz>
1851
1852         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
1853
1854 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1855
1856         * arm.md (negdi2): Remove redundant code to force values into a
1857         register.
1858
1859 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1860
1861         * arm/bpabi.S: Add EABI alignment attributes to objects.
1862         * arm/bpabi-v6m.S: Likewise.
1863         * arm/crti.asm: Likewise.
1864         * arm/crtn.asm: Likewise.
1865         * arm/lib1funcs.asm: Likewise.
1866         * arm/libunwind.S: Likewise.
1867
1868 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1869
1870         * arm-protos.h (tune_params): New structure.
1871         * arm.c (current_tune): New variable.
1872         (arm_constant_limit): Delete.
1873         (struct processors): Add pointer to the tune parameters.
1874         (arm_slowmul_tune): New tuning option.
1875         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
1876         (all_cores): Adjust to pick up the tuning model.
1877         (arm_constant_limit): New function.
1878         (arm_override_options): Select the appropriate tuning model.  Delete
1879         initialization of arm_const_limit.
1880         (arm_split_constant): Use the new constant-limit model.
1881         (arm_rtx_costs): Pick up the current tuning model.
1882         * arm.md (is_strongarm, is_xscale): Delete.
1883         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
1884         for Xscale variant architectures.
1885         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
1886
1887 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1888
1889         * config/arm/arm.c (arm_gen_constant): Remove unused variable
1890         can_shift.
1891         (arm_rtx_costs_1): Remove unused variable extra_cost.
1892         (arm_unwind_emit_set): Use variable offset.
1893         (thumb1_output_casesi): Remove unused variable flags.
1894
1895 2010-04-16  Jeff Law  <law@redhat.com>
1896
1897         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
1898         needing assignment rather than doing a two-phase assignment.  Remove
1899         unused variable 'm'.
1900
1901 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1902
1903         PR bootstrap/43767
1904         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
1905
1906 2010-04-16  Doug Kwan  <dougkwan@google.com>
1907
1908         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
1909         (next_operand_entry_id): New static variable.
1910         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
1911         (add_to_ops_vec): Assigned unique ID to operand entry.
1912         (struct oecount_s): New field ID.
1913         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
1914         (undistribute_ops_list): Assign unique IDs to oecounts.
1915         (init_reassoc): reset next_operand_entry_id.
1916
1917 2010-04-16  Doug Kwan  <dougkwan@google.com>
1918
1919         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
1920         missing left parenthesis.
1921
1922 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
1923
1924         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
1925         *btdi_rex64 using SWI48 mode iterator.
1926         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
1927         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
1928         *jcc_btdi_mask_rex64.
1929
1930 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
1931
1932         * double-int.h (tree_to_double_int): Convert to macro.
1933         * double-int.c (tree_to_double_int): Remove.
1934
1935 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1936
1937         PR debug/43762
1938         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
1939         with want_address 2 and in case a single element list might be
1940         possible, call it again with want_address 0.
1941
1942 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1943
1944         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
1945         case 'W' print operands for HI mode.
1946         * config/h8300/h8300.h (Y0, Y2) : New constraints.
1947         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
1948         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
1949         * config/h8300/predicate.md (bit_register_indirect_operand): New.
1950
1951         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
1952
1953         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
1954         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
1955         #xx:3 and #xx:4 mode.
1956
1957         * config/h8300/h8300.md (inverted load with HImode dest): Add
1958         support for H8300SX.
1959
1960         * config/h8300/predicate.md (bit_operand): Allow immediate values that
1961         satisfy 'U' constraint.
1962
1963 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1964
1965         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
1966         * configure: Regenerate.
1967         * config.in: Regenerate.
1968         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
1969         works.
1970
1971 2010-04-16  Richard Guenther  <rguenther@suse.de>
1972
1973         * tree.h (struct tree_decl_minimal): Move pt_uid ...
1974         (struct tree_decl_common): ... here.
1975         (DECL_PT_UID): Adjust.
1976         (SET_DECL_PT_UID): Likewise.
1977         (DECL_PT_UID_SET_P): Likewise.
1978
1979 2010-04-16  Richard Guenther  <rguenther@suse.de>
1980
1981         PR tree-optimization/43572
1982         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1983         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1984         * tree-flow.h (is_call_clobbered): Remove.
1985         * tree-flow-inline.h (is_call_clobbered): Likewise.
1986         * tree-dfa.c (dump_variable): Do not dump call clobber state.
1987         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1988         (execute_return_slot_opt): Adjust.
1989         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1990         check for call clobbered vars here.
1991         (find_tail_calls): Move tailcall verification to the
1992         proper place.
1993
1994 2010-04-16  Diego Novillo  <dnovillo@google.com>
1995
1996         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1997
1998 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1999
2000         PR target/40603
2001         * config/arm/arm.md (cbranchqi4): New pattern.
2002         * config/arm/predicates.md (const0_operand,
2003         cbranchqi4_comparison_operator): New predicates.
2004
2005 2010-04-16  Richard Guenther  <rguenther@suse.de>
2006
2007         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
2008         (dump_gimple_stmt): Likewise.
2009
2010 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2011
2012         * recog.h (struct recog_data): New field is_operator.
2013         (struct insn_operand_data): New field is_operator.
2014         * recog.c (extract_insn): Set recog_data.is_operator.
2015         * genoutput.c (output_operand_data): Emit code to set the
2016         is_operator field.
2017         * reload.c (find_reloads): Use it rather than testing for an
2018         empty constraint string.
2019
2020         PR target/41514
2021         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
2022         If the previous insn is a cbranchsi4_insn with the same arguments,
2023         omit the compare instruction.
2024
2025         * config/arm/arm.md (addsi3_cbranch): If destination is a high
2026         register, inputs must be low registers and we need a low register
2027         scratch.  Handle alternative 2 like alternative 3.
2028
2029 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2030
2031         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
2032         don't call get_addr on both.  If one expression is a VALUE and
2033         the other a REG, check VALUE's locs if the REG isn't among them.
2034
2035 2010-04-16  Christian Bruel  <christian.bruel@st.com>
2036
2037         * config/sh/sh.h (sh_frame_pointer_required): New function.
2038         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
2039         (flag_omit_frame_pointer) Set.
2040         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
2041         (rounded_frame_size): Adjust size with outgoing_args_size.
2042         (sh_set_return_address): Must return from stack pointer.
2043         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
2044         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
2045         (ACCUMULATE_OUTGOING_ARGS): Define.
2046         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
2047         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
2048
2049 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2050
2051         PR target/43471
2052         * config/sh/sh.c (sh_legitimize_reload_address): Use
2053         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
2054         Remove a unneeded check for offset_base.
2055
2056 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
2057
2058         * configure: Regenerated.
2059
2060 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2061
2062         * config/s390/s390.c (s390_call_save_register_used): Switch back
2063         to HARD_REGNO_NREGS.
2064
2065 2010-04-15  Richard Guenther  <rguenther@suse.de>
2066
2067         * alias.c (alias_set_subset_of): Handle alias-set zero
2068         child properly.
2069
2070 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
2071             Julian Brown  <julian@codesourcery.com>
2072
2073         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
2074         alternatives according to use of high and low regs.
2075         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
2076         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
2077         optimizing for size on Thumb-2.
2078
2079 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
2080
2081         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
2082
2083 2010-04-15  Richard Guenther  <rguenther@suse.de>
2084
2085         * tree-ssa-structalias.c (struct variable_info): Add
2086         is_fn_info flag.
2087         (new_var_info): Initialize it.
2088         (dump_constraints): Support printing last added constraints.
2089         (debug_constraints): Adjust.
2090         (dump_constraint_graph): Likewise.
2091         (make_heapvar_for): Check for NULL cfun.
2092         (get_function_part_constraint): New function.
2093         (get_fi_for_callee): Likewise.
2094         (find_func_aliases): Properly implement IPA PTA constraints.
2095         (process_ipa_clobber): New function.
2096         (find_func_clobbers): Likewise.
2097         (insert_into_field_list_sorted): Remove.
2098         (create_function_info_for): Properly allocate vars for IPA mode.
2099         Do not use insert_into_field_list_sorted.
2100         (create_variable_info_for): Properly generate constraints for
2101         global vars in IPA mode.
2102         (dump_solution_for_var): Always dump the solution.
2103         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
2104         (find_what_var_points_to): Adjust.
2105         (pt_solution_set): Change.
2106         (pt_solution_ior_into): New function.
2107         (pt_solution_empty_p): Export.
2108         (pt_solution_includes_global): Adjust.
2109         (pt_solution_includes_1): Likewise.
2110         (pt_solutions_intersect_1): Likewise.
2111         (dump_sa_points_to_info): Check some invariants.
2112         (solve_constraints): Move constraint dumping ...
2113         (compute_points_to_sets): ... here.
2114         (ipa_pta_execute): ... and here.
2115         (compute_may_aliases): Do not re-compute points-to info
2116         locally if IPA info is available.
2117         (ipa_escaped_pt): New global var.
2118         (ipa_pta_execute): Properly implement IPA PTA.
2119         * tree-into-ssa.c (dump_decl_set): Support dumping
2120         decls not in referenced-vars.
2121         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
2122         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
2123         (dump_points_to_solution): Likewise.
2124         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
2125         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
2126         (remap_gimple_stmt): Reset call clobber/use information if necessary.
2127         (copy_decl_to_var): Copy DECL_PT_UID.
2128         (copy_result_decl_to_var): Likewise.
2129         * tree.c (make_node_stat): Initialize DECL_PT_UID.
2130         (copy_node_stat): Copy it.
2131         * tree.h (DECL_PT_UID): New macro.
2132         (SET_DECL_PT_UID): Likewise.
2133         (DECL_PT_UID_SET_P): Likewise.
2134         (struct tree_decl_minimal): Add pt_uid member.
2135         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
2136         (pt_solution_empty_p): Declare.
2137         (pt_solution_set): Adjust.
2138         (ipa_escaped_pt): Declare.
2139         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
2140         * gimple-pretty-print.c (pp_points_to_solution): New function.
2141         (dump_gimple_call): Dump call clobber/use information.
2142         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
2143         * tree-pass.h (TDF_ALIAS): New dump option.
2144         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
2145         * doc/invoke.texi (-fipa-pta): Update documentation.
2146
2147 2010-04-15  Richard Guenther  <rguenther@suse.de>
2148
2149         * Makefile.in (OBJS-common): Add gimple-fold.o.
2150         (gimple-fold.o): New rule.
2151         * tree.h (maybe_fold_offset_to_reference,
2152         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
2153         prototypes ...
2154         * gimple.h: ... here.
2155         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
2156         may_propagate_address_into_dereference): Move prototypes ...
2157         * gimple.h: ... here.
2158         * tree-ssa-ccp.c (get_symbol_constant_value,
2159         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
2160         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
2161         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
2162         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
2163         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
2164         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
2165         gimplify_and_update_call_from_tree): Move ...
2166         * gimple-fold.c: ... here.  New file.
2167         (ccp_fold_builtin): Rename to ...
2168         (gimple_fold_builtin): ... this.
2169         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
2170
2171 2010-04-15  Richard Guenther  <rguenther@suse.de>
2172
2173         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
2174         fit_double_type, force_fit_type_double, add_double_with_sign,
2175         neg_double, mul_double_with_sign, lshift_double, rshift_double,
2176         lrotate_double, rrotate_double, div_and_round_double): Move ...
2177         * double-int.c: ... here.
2178         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
2179         add_double, neg_double, mul_double_with_sign, mul_double,
2180         lshift_double, rshift_double, lrotate_double, rrotate_double,
2181         div_and_round_double): Move prototypes ...
2182         * double-int.h: ... here.
2183
2184 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
2185
2186         PR target/43742
2187         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
2188         matching constraints to ensure inputs match the output.
2189
2190 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2191
2192         PR target/43742
2193         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
2194         in an input-only operand.
2195
2196 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
2197
2198         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
2199         (double_int_not, double_int_lshift, double_int_rshift): Declare.
2200         (double_int_negative_p): Convert to static inline function.
2201         * double-int.c (double_int_lshift, double_int_lshift): New functions.
2202         (double_int_negative_p): Remove.
2203         * tree.h (lshift_double, rshift_double):
2204         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
2205         * fold-const.c (fold_convert_const_int_from_real,
2206         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
2207         (lshift_double): Change type of arith argument to bool.
2208         (rshift_double): Change type of arith argument to bool. Correct
2209         comment.
2210         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2211
2212 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
2213
2214         PR target/21803
2215         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
2216         at the start and end of the then/else blocks, and omit them from the
2217         conversion.
2218         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
2219         argument; all callers changed.  Pass zero to old_insns_match_p instead.
2220         (flow_find_head_matching_sequence): New function.
2221         (old_insns_match_p): Check REG_EH_REGION notes for calls.
2222         * basic-block.h (flow_find_cross_jump,
2223         flow_find_head_matching_sequence): Declare functions.
2224
2225 2010-04-14  Jason Merrill  <jason@redhat.com>
2226
2227         PR c++/36625
2228         * c-common.c (attribute_takes_identifier_p): New fn.
2229         * c-common.h: Declare it.
2230
2231 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2232
2233         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
2234         splitter condition.
2235         (*udivmod<mode>4): Ditto.
2236
2237 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2238
2239         * config/i386/i386.md (maxmin_int): Rename code attribute from
2240         maxminiprefix and update all users.
2241         (maxmin_float): Ditto from maxminfprefix.
2242         (logic): Ditto from logicprefix.
2243         (absneg_mnemonic): Ditto from absnegprefix.
2244         * config/i386/mmx.md: Update all users of maxminiprefix,
2245         maxminfprefix and logicprefix for rename.
2246         * config/i386/sse.md: Ditto.
2247         * config/i386/sync.md (sync_<code><mode>): Update for
2248         logicprefix rename.
2249
2250 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2251
2252         PR 42966
2253         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
2254         warnings converted to errors.
2255
2256 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2257
2258         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
2259         used insn_type variable.
2260         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
2261         to avoid set-but-not-used warning.
2262
2263 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2264
2265         * df-core.c (df_ref_debug): Change format string placeholder
2266         from 0x%x to %#x.
2267         * dwarf2asm.c (dw2_asm_output_data_raw,
2268         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
2269         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
2270         * dwarf2out.c (output_cfi, output_cfi_directive,
2271         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
2272         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
2273         Ditto.
2274         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
2275         * print-rtl.c (print_rtx): Ditto.
2276
2277 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
2278
2279         PR middle-end/42694
2280         * builtins.c (expand_builtin_pow_root): New function to expand pow
2281         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
2282         series of sqrt and cbrt calls under -ffast-math.
2283         (expand_builtin_pow): Call it.
2284
2285 2010-04-14  Michael Matz  <matz@suse.de>
2286
2287         PR tree-optimization/42963
2288         * tree-cfg.c (touched_switch_bbs): New static variable.
2289         (group_case_labels_stmt): New function broken out from ...
2290         (group_case_labels): ... here, use the above.
2291         (start_recording_case_labels): Allocate touched_switch_bbs.
2292         (end_recording_case_labels): Deallocate it, call
2293         group_case_labels_stmt.
2294         (gimple_redirect_edge_and_branch): Remember index of affected BB.
2295
2296 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2297
2298         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
2299         from insn template.
2300
2301 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2302
2303         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
2304
2305 2010-04-13  Jan Hubicka  <jh@suse.cz>
2306
2307         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
2308         of optimized out static functions.
2309         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
2310         cost computation.  Also sanity check for overflows.
2311         (update_caller_keys): Update cgraph_edge_badness call; properly
2312         update fibheap and sanity check that it is up to date.
2313         (add_new_edges_to_heap): Update cgraph_edge_badness.
2314         (cgraph_decide_inlining_of_small_function): Likewise;
2315         add sanity checking that badness in heap is up to date;
2316         improve dumping of reason; Update badness of calls to the
2317         offline copy of function currently inlined; dump badness
2318         of functions not inlined because of unit growth limits.
2319
2320 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2321
2322         PR middle-end/32628
2323         * c-common.c (pointer_int_sum): Disregard overflow that occured only
2324         because of sign-extension change when converting to sizetype here...
2325         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
2326
2327         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
2328         the folding to constants.  Remove redundant final conversion.
2329         (fold_binary) <associate>: Do not associate if the re-association of
2330         constants alone overflows.
2331         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
2332         to the end of the list.
2333         (multiple_of_p) <COND_EXPR>: New case.
2334
2335 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2336
2337         * opt-functions.awk (opt_sanitized_name): New.
2338         (opt_enum): New.
2339         * optc-gen.awk: Use it
2340         * opth-gen.awk: Use it.
2341
2342 2010-04-13  Martin Jambor  <mjambor@suse.cz>
2343
2344         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
2345         (sra_modify_assign): Delete stmts loading dead data even if racc has no
2346         children.  Call replace_uses_with_default_def_ssa_name to handle
2347         SSA_NAES on lhs.
2348
2349 2010-04-13  Michael Matz  <matz@suse.de>
2350
2351         PR middle-end/43730
2352         * builtins.c (expand_builtin_interclass_mathfn): Also create
2353         a register if the predicate doesn't match.
2354
2355 2010-04-13  Diego Novillo  <dnovillo@google.com>
2356
2357         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
2358         * c-pch.c: Include timevar.h.
2359         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
2360         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
2361         * ggc-common.c: Include timevar.h.
2362         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
2363         * timevar.def (TV_PCH_SAVE): Define.
2364         (TV_PCH_CPP_SAVE): Define.
2365         (TV_PCH_PTR_REALLOC): Define.
2366         (TV_PCH_PTR_SORT): Define.
2367         (TV_PCH_RESTORE): Define.
2368         (TV_PCH_CPP_RESTORE): Define.
2369
2370 2010-04-13  Michael Matz  <matz@suse.de>
2371
2372         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
2373         into MINUS_EXPRs.
2374         (can_reassociate_p): New function.
2375         (break_up_subtract_bb, reassociate_bb): Use it.
2376
2377 2010-04-13  Richard Guenther  <rguenther@suse.de>
2378
2379         PR bootstrap/43737
2380         * builtins.c (c_readstr): Fix assert.
2381
2382 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
2383
2384         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
2385         when generating cltd insn.
2386
2387         (*ashl<mode>3_1): Remove special handling for register operand 2.
2388         (*ashlsi3_1_zext): Ditto.
2389         (*ashlhi3_1): Ditto.
2390         (*ashlhi3_1_lea): Ditto.
2391         (*ashlqi3_1): Ditto.
2392         (*ashlqi3_1_lea): Ditto.
2393         (*<shiftrt_insn><mode>3_1): Ditto.
2394         (*<shiftrt_insn>si3_1_zext): Ditto.
2395         (*<shiftrt_insn>qi3_1_slp): Ditto.
2396         (*<rotate_insn><mode>3_1): Ditto.
2397         (*<rotate_insn>si3_1_zext): Ditto.
2398         (*<rotate_insn>qi3_1_slp): Ditto.
2399
2400 2010-04-13  Richard Guenther  <rguenther@suse.de>
2401
2402         * tree-ssa-structalias.c (callused_id): Remove.
2403         (call_stmt_vars): New.
2404         (get_call_vi): Likewise.
2405         (lookup_call_use_vi): Likewise.
2406         (lookup_call_clobber_vi): Likewise.
2407         (get_call_use_vi): Likewise.
2408         (get_call_clobber_vi): Likewise.
2409         (make_transitive_closure_constraints): Likewise.
2410         (handle_const_call): Adjust to do per-call call-used handling.
2411         (handle_pure_call): Likewise.
2412         (find_what_var_points_to): Remove general callused handling.
2413         (init_base_vars): Likewise.
2414         (init_alias_vars): Initialize call_stmt_vars.
2415         (compute_points_to_sets): Process call-used and call-clobbered
2416         vars for call statements.
2417         (delete_points_to_sets): Free call_stmt_vars.
2418
2419 2010-04-13  Richard Guenther  <rguenther@suse.de>
2420
2421         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2422         Only add RW dependence for dependence distance zero.
2423         Adjust maximal vectorization factor according to dependences.
2424         Move alignment handling ...
2425         (vect_find_same_alignment_drs): ... here.  New function.
2426         (vect_analyze_data_ref_dependences): Adjust.
2427         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
2428         (vect_analyze_data_refs): Adjust minimal vectorization factor
2429         according to data references.
2430         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
2431         dependences before determining the vectorization factor.
2432         Analyze alignment after determining the vectorization factor.
2433         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
2434         dependences before alignment.
2435         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
2436         Adjust prototype.
2437         (vect_analyze_data_refs): Likewise.
2438         (MAX_VECTORIZATION_FACTOR): New define.
2439
2440 2010-04-13  Duncan Sands  <baldrick@free.fr>
2441
2442         * except.h (lang_eh_type_covers): Remove.
2443         * except.c (lang_eh_type_covers): Likewise.
2444
2445 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2446             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2447
2448         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
2449         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
2450         UNITS_PER_LONG where it is ABI relevant.
2451         (s390_return_addr_rtx): Likewise.
2452         (s390_back_chain_rtx): Likewise.
2453         (s390_frame_area): Likewise.
2454         (s390_frame_info): Likewise.
2455         (s390_initial_elimination_offset): Likewise.
2456         (save_gprs): Likewise.
2457         (s390_emit_prologue): Likewise.
2458         (s390_emit_epilogue): Likewise.
2459         (s390_function_arg_advance): Likewise.
2460         (s390_function_arg): Likewise.
2461         (s390_va_start): Likewise.
2462         (s390_gimplify_va_arg): Likewise.
2463         (s390_function_profiler): Likewise.
2464         (s390_optimize_prologue): Likewise.
2465         (s390_rtx_costs): Likewise.
2466         (s390_secondary_reload): Likewise.
2467         (s390_promote_function_mode): Likewise.
2468         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2469         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2470         registers available.
2471         (s390_unwind_word_mode): New function.
2472         (s390_function_value): Split 64 bit values into register pair if
2473         used as return value.
2474         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2475         function call parameters.  Handle parallels.
2476         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2477         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2478         (DWARF_CIE_DATA_ALIGNMENT): New macro.
2479         (s390_expand_setmem): Remove unused variable src_addr.
2480         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2481         deal with 64 bit registers.
2482         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2483         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2484         (UNITS_PER_LONG): New macro.
2485         * libjava/include/s390-signal.h: Define extended ucontext
2486         structure containing the upper halfs of the 64 bit registers.
2487
2488 2010-04-13  Simon Baldwin  <simonb@google.com>
2489
2490         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2491
2492 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2493
2494         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2495         rvalue on the RHS if the LHS is of a non-renamable type.
2496         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2497
2498 2010-04-13  Matthias Klose  <doko@ubuntu.com>
2499
2500         * gcc.c (cc1_options): Handle -iplugindir before processing
2501         the cc1 spec. Only add -iplugindir once.
2502         (cpp_unique_options): Add -iplugindir option if -fplugin* options
2503         found.
2504         * common.opt (iplugindir): Remove `Separate' property, initialize.
2505         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2506         option.
2507         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2508         (distclean): Remove plugin dir.
2509         * doc/invoke.texi: Document -iplugindir.
2510
2511 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
2512
2513         * doc/plugins.texi (Loading Plugins): Document short
2514         -fplugin=foo option.
2515         (Plugin API): Mention default_plugin_dir_name function.
2516
2517         * gcc.c (find_file_spec_function): Add new declaration.
2518         (static_spec_func): Use it for "find-file".
2519         (find_file_spec_function): Add new function.
2520         (cc1_options): Add -iplugindir option if -fplugin* options found.
2521
2522         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2523
2524         * plugin.c (add_new_plugin): Updated comment, and handle short
2525         plugin name.
2526         (default_plugin_dir_name): Added new function.
2527
2528         * common.opt (iplugindir): New option to set the plugin directory.
2529
2530 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
2531
2532         * config/i386/i386.md (any_rotate): New code iterator.
2533         (rotate_insn): New code attribute.
2534         (rotate): Ditto.
2535         (SWIM124): New mode iterator.
2536         (<rotate_insn>ti3): New expander.
2537         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2538         any_rotate code iterator.
2539         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2540         using any_rotate code iterator and SWIM124 mode iterator.
2541         (ix86_rotlti3): New insn_and_split pattern.
2542         (ix86_rotrti3): Ditto.
2543         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2544         ix86_rotl{di,ti}3 patterns.
2545         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2546         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2547         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2548         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2549         code iterator and SWI mode iterator.
2550         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2551         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2552         code iterator.
2553         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2554         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2555         (bswap rotatert splitter): Add splitter.
2556         (bswap splitter): Macroize splitter using any_rotate code iterator.
2557         Add insn predicate to split only for TARGET_USE_XCHGB or when
2558         optimizing function for size.
2559
2560 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2561
2562         * config/pa/pa.c (emit_move_sequence): Remove use of
2563         deleted variable flag_argument_noalias.
2564
2565 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2566
2567         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2568         configurations.
2569         Add to unsupported targets list.
2570         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2571         sparc*-sun-solaris2.[567]* from target lists.
2572         * configure: Regenerate.
2573         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2574         removal.
2575         Remove Solaris 7 patch references.
2576         (Specific, sparc-sun-solaris2.7): Removed.
2577         (sparc-sun-solaris2*): Update Solaris 7 example.
2578         (sparc64-*-solaris2*): Likewise.
2579
2580 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2581
2582         * config.build (alpha*-dec-osf4*): Remove.
2583         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2584         of obsolete configurations.
2585         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2586         support.
2587         * config/alpha/t-osf4: Renamed to ...
2588         * config/alpha/t-osf5: ... this.
2589         * config/alpha/osf.h: Renamed to ...
2590         * config/alpha/osf5.h: ... this.
2591         Merged old osf5.h contents.
2592         Update comments.
2593         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2594         (EXTRA_SPECS): Removed.
2595         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2596         reflect removal of Tru64 UNIX V4.0/V5.0 support.
2597         Document that.
2598
2599 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2600
2601         * doc/contrib.texi (Contributors, Rainer Orth): Update.
2602
2603 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
2604
2605         PR/43702
2606         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2607         __thiscall convention.
2608
2609 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2610
2611         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2612         orig_base.
2613         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2614
2615 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2616
2617         * function.c (assign_parms_initialize_all): Add unused attribute
2618         to fntype.
2619
2620 2010-04-12  Richard Guenther  <rguenther@suse.de>
2621
2622         * gsstruct.def (GSS_CALL): New.
2623         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
2624         * gimple.h: Include tree-ssa-alias.h.
2625         (struct gimple_statement_call): New.
2626         (union gimple_statement_struct_d): Add gimple_call member.
2627         (gimple_call_reset_alias_info): Declare.
2628         (gimple_call_use_set): New function.
2629         (gimple_call_clobber_set): Likewise.
2630         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
2631         * gimple.c (gimple_call_reset_alias_info): New function.
2632         (gimple_build_call_1): Call it.
2633         * lto-streamer-in.c (input_gimple_stmt): Likewise.
2634         * tree-inline.c (remap_gimple_stmt): Likewise.
2635         (expand_call_inline): Remove callused handling.
2636         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
2637         * tree-dfa.c (dump_variable): Likewise.
2638         * tree-parloops.c (parallelize_loops): Likewise.
2639         * tree-ssa.c (init_tree_ssa): Likewise.
2640         (delete_tree_ssa): Likewise.
2641         * tree-flow-inline.h (is_call_used): Remove.
2642         * tree-flow.h (struct gimple_df): Remove callused member.
2643         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
2644         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
2645         (ref_maybe_used_by_call_p_1): Simplify.
2646         (call_may_clobber_ref_p_1): Likewise.
2647         * tree-ssa-structalias.c (compute_points_to_sets): Set
2648         the call stmt used and clobbered sets.
2649         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
2650         (find_tail_calls): Verify the tail call.
2651
2652 2010-04-12  Richard Guenther  <rguenther@suse.de>
2653
2654         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
2655         single-iteration always-inline inlining.
2656         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
2657         (cgraph_decide_inlining): Do not handle always-inline specially.
2658         (try_inline): Remove always-inline cycle detection special case.
2659         Do not recurse on always-inlines.
2660         (cgraph_early_inlining): Do not iterate if not optimizing.
2661         (cgraph_gate_early_inlining): remove.
2662         (pass_early_inline): Run unconditionally.
2663         (gate_cgraph_decide_inlining): New function.
2664         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
2665         not inlining or optimizing.
2666         (cgraph_decide_inlining_of_small_functions): Also consider
2667         always-inline functions.
2668         (cgraph_default_inline_p): Return true for nodes which should
2669         disregard inline limits.
2670         (estimate_function_body_sizes): Assume zero size and time for
2671         nodes which are marked as disregarding inline limits.
2672         (cgraph_decide_recursive_inlining): Do not perform recursive
2673         inlining on always-inline nodes.
2674
2675 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
2676
2677         PR bootstrap/43699
2678         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
2679         for exprs satisfying handled_component_p.
2680
2681 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
2682
2683         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
2684         non-constant aggregate elements.
2685
2686         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
2687         is a real initialization.
2688
2689 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
2690
2691         PR c/36774
2692         * c-decl.c (start_function): Move forward check for nested function.
2693
2694 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2695
2696         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
2697         * config/sh/sh.c: Include reload.h.
2698         (sh_legitimize_reload_address): New.
2699         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
2700         sh_legitimize_reload_address.
2701
2702 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2703
2704         * config/sh/sh.md (*movqi_pop): New insn pattern.
2705         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
2706
2707 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2708
2709         * config/i386/i386.md (any_shiftrt): New code iterator.
2710         (shiftrt_insn): New code attribute.
2711         (shiftrt): Ditto.
2712         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2713         using any_shiftrt code iterator.
2714         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2715         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2716         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2717         pattern from corresponding peephole2 patterns.
2718         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2719         using any_shiftrt code iterator.
2720         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2721         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2722         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2723         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2724         *{ashr,lshr}<mode>3_cmp_zext.
2725         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2726
2727 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2728
2729         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2730         scratch register.
2731         (*lshr<mode>3_cconly): Ditto.
2732
2733 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2734
2735         * config/i386/i386.md (lshr<mode>3): Macroize expander from
2736         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2737         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2738         pattern from *lshr{di,ti}3_1 and corresponding splitters using
2739         DWI mode iterator.
2740         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2741         from corresponding peephole2 patterns.
2742         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2743         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2744         and *lshrdi3_1_rex64 using SWI mode iterator.
2745         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2746         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2747         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2748         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2749         and *lshrdi3_cmp_rex64 using SWI mode iterator.
2750         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2751         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2752         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2753         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2754         SWI mode iterator.
2755
2756 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
2757
2758         * config/i386/i386.md (ashr<mode>3): Macroize expander from
2759         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2760         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2761         pattern from *ashr{di,ti}3_1 and corresponding splitters using
2762         DWI mode iterator.
2763         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2764         from corresponding peephole2 patterns.
2765         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2766         (ashrsi3_cvt): Rename from ashrsi3_31.
2767         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2768         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2769         and x86_64_shift_adj_3 using SWI48 mode iterator.
2770         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2771         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2772         and *ashrdi3_1_rex64 using SWI mode iterator.
2773         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2774         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2775         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2776         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2777         and *ashrdi3_cmp_rex64 using SWI mode iterator.
2778         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2779         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2780         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2781         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2782         SWI mode iterator.
2783         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2784         * config/i386/i386.c (ix86_split_ashr): Update for renamed
2785         x86_shift<mode>_adj_3 expanders.
2786
2787 2010-04-10  Wei Guozhi  <carrot@google.com>
2788
2789         PR target/42601
2790         * config/arm/arm.c (arm_pic_static_addr): New function.
2791         (legitimize_pic_address): Call arm_pic_static_addr when it detects
2792         a static symbol.
2793         (arm_output_addr_const_extra): Output expression for new pattern.
2794         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2795
2796 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
2797
2798         * ira-costs.c (record_reg_classes): Ignore alternatives that are
2799         not enabled.
2800
2801         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2802         * web.c: Include "insn-config.h" and "recog.h".
2803         (union_match_dups): New function.
2804         (web_main): Call it.
2805         (union_defs): Don't try to recognize match_dups.
2806
2807         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
2808         if doing so would replace the entire pattern.
2809
2810 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2811
2812         PR target/43707
2813         PR target/43709
2814         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
2815         and splitter pattern.  Change splitter operand 1 predicate to
2816         nonmemory_operand.
2817
2818 2010-04-09  Martin Jambor  <mjambor@suse.cz>
2819
2820         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
2821         lattices are addresses of CONST_DECLs with the same initial value.
2822         (ipcp_print_all_lattices): Print values of CONST_DECLs.
2823         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
2824
2825 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
2826             Bernd Schmidt  <bernds@codesourcery.com>
2827
2828         * loop-invariant.c (replace_uses): New static function.
2829         (move_invariant_reg): Use it to ensure we can replace the uses.
2830
2831 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
2832
2833         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
2834         function template.
2835         (picochip_override_options): Enable section anchors only above -O1.
2836         (picochip_reorg): Fixed a couple of build warnings.
2837
2838 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2839
2840         * configure.ac (plugin -rdynamic test): Log result.
2841         * configure: Regenerate.
2842         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
2843         (RDYNAMIC_SPEC): Define.
2844         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
2845
2846 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2847
2848         * configure.ac: Determine Sun ld version numbers.
2849         (comdat_group): Restrict GNU ld version checks to gld.
2850         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
2851         (enable_comdat): Support --enable-comdat.
2852         * configure: Regenerate.
2853         * doc/install.texi (Configuration): Document --enable-comdat.
2854
2855 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2856
2857         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
2858         * config/sol2-gld.h: ... here.
2859         * config.gcc (sparc*-*-solaris2*): Reflect this.
2860         (i[34567]86-*-solaris2*): Use it.
2861
2862 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
2863
2864         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
2865         setup_clocks_p.
2866         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
2867
2868 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2869
2870         PR 42965
2871         * diagnostic.c (diagnostic_initialize): Initialize
2872         some_warnings_are_errors.
2873         (diagnostic_finish): New.
2874         (diagnostic_action_after_output): Call it before exiting.
2875         (diagnostic_report_diagnostic): Do not print message here. Set
2876         some_warnings_are_errors.
2877         * diagnostic.h (diagnostic_context): Delete
2878         issue_warnings_are_errors_message. Add some_warnings_are_errors.
2879         (diagnostic_finish): Declare.
2880         * toplev.c (toplev_main): Call it before exit.
2881
2882 2010-04-09  Jason Merrill  <jason@redhat.com>
2883
2884         PR c++/42623
2885         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
2886         for incomplete type.
2887
2888         PR c++/41788
2889         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
2890         based on a warning flag.
2891
2892 2010-04-09  Richard Guenther  <rguenther@suse.de>
2893
2894         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
2895
2896 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
2897
2898         PR bootstrap/43684
2899         * varasm.c (default_assemble_visibility): Wrap vars that are
2900         set, but unused, by targets without GAS.
2901         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
2902         Remove set, but unused, vars.
2903         (rs6000_legitimize_tls_address): Likewise.
2904         (altivec_expand_dst_builtin): Likewise.
2905         * config/darwin.c (machopic_classify_symbol): Likewise.
2906         (machopic_indirection_name): Likewise.
2907
2908 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2909
2910         * config/i386/i386.md (DWI): New mode iterator.
2911         (S): New mode attribute.
2912         (shift_operand): Ditto.
2913         (shift_immediate_operand): Ditto.
2914         (ashl_input_operand): Ditto.
2915         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
2916         using SDWIM mode iterator.
2917         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2918         pattern from *ashl{di,ti}3_1 and corresponding splitters using
2919         DWI mode iterator.
2920         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
2921         from corresponding peephole2 patterns.
2922         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
2923         and x86_64_shift_adj_1 using SWI48 mode iterator.
2924         (x86_shift<mode>_adj_2): Ditto.
2925         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
2926         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
2927         using SWI48 mode iterator.
2928         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
2929         *ashldi3_cmp_rex64 using SWI mode iterator.
2930         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
2931         *ashldi3_cconly_rex64 using SWI mode iterator.
2932         * config/i386/i386.c (ix86_split_ashl): Update for renamed
2933         x86_shift<mode>_adj_{1,2}.
2934         (ix86_split_ashr): Ditto.
2935         (ix86_split_lshr): Ditto.
2936
2937 2010-04-09  Richard Guenther  <rguenther@suse.de>
2938
2939         * target.h (builtin_conversion): Pass in input and output types.
2940         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
2941         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
2942         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
2943         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
2944
2945         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
2946         Handle AVX modes.
2947         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
2948
2949 2010-04-09  Richard Guenther  <rguenther@suse.de>
2950
2951         PR target/43152
2952         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
2953
2954 2010-04-09  Richard Guenther  <rguenther@suse.de>
2955
2956         * tree-vectorizer.h (struct _stmt_vec_info): Document
2957         that vectype is the type of the LHS.
2958         (supportable_widening_operation, supportable_narrowing_operation):
2959         Get both input and output vector types as arguments.
2960         (vect_is_simple_use_1): Declare.
2961         (get_same_sized_vectype): Likewise.
2962         * tree-vect-loop.c (vect_determine_vectorization_factor):
2963         Set STMT_VINFO_VECTYPE to the vector type of the def.
2964         (vectorizable_reduction): Adjust.
2965         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
2966         Adjust.  Specify the output vector type.
2967         (vect_pattern_recog_1): Adjust.
2968         * tree-vect-stmts.c (get_same_sized_vectype): New function.
2969         (vectorizable_call): Adjust.
2970         (vectorizable_conversion): Likewise.
2971         (vectorizable_operation): Likewise.
2972         (vectorizable_type_demotion): Likewise.
2973         (vectorizable_type_promotion): Likewise.
2974         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2975         the def.
2976         (vect_is_simple_use_1): New function.
2977         (supportable_widening_operation): Get both input and output
2978         vector types.
2979         (supportable_narrowing_operation): Likewise.
2980         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2981
2982 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
2983
2984         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2985         __thiscall and _thiscall as predefined macros.
2986         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2987         thiscall attribute handling.
2988         (ix86_comp_type_attributes): Likewise.
2989         (ix86_function_regparm): Likewise.
2990         (ix86_return_pops_args): Likewise.
2991         (init_cumulative_args): Likewise.
2992         (find_drap_reg): Likewise.
2993         (ix86_static_chain): Likewise.
2994         (x86_this_parameter): Likewise.
2995         (x86_output_mi_thunk): Likewise.
2996         (ix86_attribute_table): Add description for thiscall attribute.
2997         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2998         * doc/extend.texi: Add documentation for thiscall.
2999
3000 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3001
3002         PR c++/28584
3003         * c.opt (Wint-to-pointer-cast): Available in C++.
3004         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
3005
3006 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
3007
3008         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
3009         * calls.c (expand_call): Pass the function type to aggregate_value_p.
3010         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
3011         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
3012         function type instead.  Reorder and simplify checks.
3013
3014         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
3015
3016 2010-04-08  Jing Yu  <jingyu@google.com>
3017             Zdenek Dvorak  <ook@ucw.cz>
3018
3019         PR tree-optimization/42720
3020         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
3021         loop unswitch conditions here from ...
3022         (tree_unswitch_single_loop): ... here.
3023
3024 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3025
3026         * tree-if-conv.c: Fix comments and simplify logic.
3027
3028 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3029
3030         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
3031         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
3032         (main_tree_if_conversion): Update call to tree_if_conversion.
3033
3034 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3035
3036         PR 42485
3037         * doc/invoke.texi (-b,-V): Delete.
3038         * doc/tm.texi: Do not mention -b.
3039         * gcc.c (display_help): Delete -b and -V.
3040         (process_command): Delete -b and -V.
3041         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
3042
3043 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
3044             Wolfgang Gellerich  <gellerich@de.ibm.com>
3045
3046         Implement target hook for loop unrolling
3047         * target.h (loop_unroll_adjust): Add a new target hook function.
3048         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
3049         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
3050         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
3051         (s390_loop_unroll_adjust): Implement the new target hook for s390.
3052         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
3053         target hook.
3054         (decide_unroll_stupid): Likewise.
3055
3056 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3057
3058         PR target/43643
3059         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
3060
3061 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3062
3063         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
3064         (Specific, *-*-solaris2*): Likewise.
3065         Don't prefer Sun as over GNU as.
3066
3067 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
3068
3069         * config/s390/s390.c (override_options): Adjust the z10
3070           defaults for max-unroll-times, max-completely-peeled-insns
3071           and max-completely-peel-times.
3072
3073 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3074
3075         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
3076         instructions for z10.
3077         (s390_expand_setmem): Likewise.
3078         (s390_expand_cmpmem): Likewise.
3079
3080 2010-04-08  Richard Guenther  <rguenther@suse.de>
3081
3082         PR tree-optimization/43679
3083         * tree-ssa-pre.c (eliminate): Only propagate copies.
3084
3085 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
3086
3087         PR bootstrap/43681
3088         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
3089         set but not used variable warning.
3090
3091 2010-04-08  Wei Guozhi  <carrot@google.com>
3092
3093         PR target/41653
3094         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
3095         (arm_size_rtx_costs): Call the new function when optimized for size.
3096
3097 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
3098
3099         PR debug/43670
3100         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
3101         op0 is not a MEM, just return NULL instead of assertion
3102         failure.
3103         (discover_nonconstant_array_refs): Don't walk debug stmts.
3104
3105 2010-04-08  Doug Kwan  <dougkwan@google.com>
3106
3107         * configure.ac: Recognize gold and do not use its version number
3108         to test ld features.
3109         * configure: Regenerate.
3110
3111 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
3112
3113         PR middle-end/40815
3114         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
3115         (negate_value): Move code to push elements to broken_up_substracts ...
3116         (eliminate_plus_minus_pair): ... here.  Push operands that have no
3117         negative pair to plus_negates.
3118         (repropagate_negates, init_reassoc, fini_reassoc): Update.
3119
3120 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3121
3122         * doc/install.texi (Configuration): Move description of
3123         --enable-lto, --with-libelf*, --enable-gold from Java section to
3124         general section.
3125
3126         * doc/generic.texi (Working with declarations)
3127         (Function Properties, C and C++ Trees): Fix typos.
3128         * doc/sourcebuild.texi (Top Level): Likewise.
3129
3130 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
3131
3132         PR c/18624
3133         * tree.h (DECL_READ_P): Define.
3134         (struct tree_decl_common): Add decl_read_flag.
3135         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
3136         a set but not used warning.
3137         (merge_decls): Merge DECL_READ_P flag.
3138         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
3139         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
3140         * c-common.c (handle_used_attribute, handle_unused_attribute):
3141         Likewise.
3142         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
3143         New prototypes.
3144         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
3145         New functions.
3146         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
3147         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
3148         c_parser_binary_expression, c_parser_cast_expression,
3149         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
3150         Call default_function_array_read_conversion instead of
3151         default_function_array_conversion where needed.
3152         (c_parser_unary_expression, c_parser_conditional_expression,
3153         c_parser_postfix_expression_after_primary, c_parser_initelt):
3154         Likewise.  Call mark_exp_read where needed.
3155         (c_parser_statement_after_labels, c_parser_asm_operands,
3156         c_parser_typeof_specifier, c_parser_sizeof_expression,
3157         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
3158         where needed.
3159         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
3160         New.
3161         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
3162         (warn_unused_but_set_parameter): Default to warn_unused
3163         && extra_warnings.
3164         * doc/invoke.texi: Document -Wunused-but-set-variable and
3165         -Wunused-but-set-parameter.
3166
3167         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
3168         used count variable.
3169         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
3170         when operandN variables aren't used in the body of the expander
3171         or splitter.
3172         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
3173         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
3174         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
3175         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
3176         FOR_EACH_IMM_USE_ON_STMT): Likewise.
3177         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
3178         * tree.c (PROCESS_ARG): Likewise.
3179
3180 2010-04-07  Simon Baldwin  <simonb@google.com>
3181
3182         * diagnostic.h (diagnostic_override_option_index): New macro to
3183         set a diagnostic's option_index.
3184         * c-tree.h (c_cpp_error): Add warning reason argument.
3185         * opts.c (_warning_as_error_callback): New.
3186         (register_warning_as_error_callback): Store callback for
3187         warnings enabled via enable_warning_as_error.
3188         (enable_warning_as_error): Call callback, minor code tidy.
3189         * opts.h (register_warning_as_error_callback): Declare.
3190         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
3191         response to -Werror=.
3192         (c_common_init_options): Register warning_as_error_callback in opts.c.
3193         * common.opt: Add -Wno-cpp option.
3194         * c-common.c (struct reason_option_codes_t): Map cpp warning
3195         reason codes to gcc option indexes.
3196         * (c_option_controlling_cpp_error): New function, lookup the gcc
3197         option index for a cpp warning reason code.
3198         * (c_cpp_error): Add warning reason argument, call
3199         c_option_controlling_cpp_error for diagnostic_override_option_index.
3200         * doc/invoke.texi: Document -Wno-cpp.
3201
3202 2010-04-07  Richard Guenther  <rguenther@suse.de>
3203
3204         * ipa-reference.c (mark_load): Use get_base_address.
3205         (mark_store): Likewise.
3206
3207         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
3208         inserting GIMPLE_NOPs into the IL.
3209         * tree-ssa-structalias.c (get_constraint_for_component_ref):
3210         Explicitly strip handled components and indirect references.
3211
3212         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
3213         folding address expressions.
3214         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
3215         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
3216         operand_equal_p to compare decls.
3217         (ptr_deref_may_alias_decl_p): Likewise.
3218         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
3219         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
3220         Handle reversed comparison ops.
3221         * tree-sra.c (asm_visit_addr): Use get_base_address.
3222         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
3223         * ipa-reference.c (mark_address): Use get_base_address.
3224
3225 2010-04-07  Richard Guenther  <rguenther@suse.de>
3226
3227         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
3228         Propagate constants everywhere.
3229
3230 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
3231
3232         PR debug/43516
3233         * tree.c (MAX_INT_CACHED_PREC): Define.
3234         (nonstandard_integer_type_cache): New array.
3235         (build_nonstandard_integer_type): Cache results for precision
3236         <= MAX_INT_CACHED_PREC.
3237
3238 2010-04-07  Richard Guenther  <rguenther@suse.de>
3239
3240         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
3241         -fargument-noalias-global, -fargument-noalias-anything): Remove.
3242         * common.opt: Likewise.
3243         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
3244         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
3245         (nonoverlapping_memrefs_p): Likewise.
3246         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3247         * opts.c (common_handle_option): Handle OPT_fargument_alias,
3248         OPT_fargument_noalias, OPT_fargument_noalias_anything and
3249         OPT_fargument_noalias_global for backward compatibility.
3250
3251 2010-04-07  Richard Guenther  <rguenther@suse.de>
3252
3253         PR tree-optimization/43270
3254         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
3255         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
3256         * tree-ssa-pre.c (phi_translate_1): Adjust.
3257         (fully_constant_expression): Split out vn_reference handling to ...
3258         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
3259         Fold reads from constant strings.
3260         (vn_reference_lookup): Handle fully constant references.
3261         (vn_reference_lookup_pieces): Likewise.
3262         * Makefile.in (expmed.o-warn): Add -Wno-error.
3263
3264 2010-04-07  Martin Jambor  <mjambor@suse.cz>
3265
3266         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
3267
3268 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
3269
3270         PR driver/41594
3271         * gcc.c: Add -static-libstdc++ to list of recognized options.
3272
3273 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3274
3275         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
3276
3277 2010-04-07  Richard Guenther  <rguenther@suse.de>
3278
3279         PR middle-end/42617
3280         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
3281         bases build simple mem attributes to retain points-to information.
3282
3283 2010-04-07  Richard Guenther  <rguenther@suse.de>
3284
3285         PR middle-end/42617
3286         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
3287         preserve points-to related information.
3288
3289 2010-04-07  Richard Guenther  <rguenther@suse.de>
3290
3291         PR middle-end/42617
3292         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
3293         discard plain indirect references.
3294         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
3295         * tree.c (tree_nop_conversion): Likewise.
3296
3297 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
3298
3299         PR debug/43628
3300         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
3301
3302 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
3303
3304         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
3305         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
3306
3307 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3308
3309         * tree-if-conv.c: Fix indentation and comments.
3310
3311 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3312
3313         * tree-if-conv.c: Sort static functions in topological order.
3314
3315 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3316
3317         * tree-if-conv.c: Fix indentation and comments.
3318
3319 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3320
3321         PR middle-end/43519
3322         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
3323         lang_hooks.types.type_for_size instead of
3324         build_nonstandard_integer_type.
3325         When converting an unsigned type to signed, double its precision.
3326         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
3327         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
3328         (graphite_create_new_loop_guard): When ub + 1 wraps around,
3329         use lb <= ub.
3330
3331 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3332
3333         PR middle-end/43519
3334         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
3335         POINTER_PLUS_EXPR for pointer types.
3336
3337 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3338
3339         PR middle-end/43519
3340         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
3341         * graphite-clast-to-gimple.c: Include langhooks.h.
3342         (max_signed_precision_type): New.
3343         (max_precision_type): Takes two types as arguments.
3344         (precision_for_value): New.
3345         (precision_for_interval): New.
3346         (gcc_type_for_interval): New.
3347         (gcc_type_for_value): New.
3348         (gcc_type_for_clast_term): New.
3349         (gcc_type_for_clast_red): New.
3350         (gcc_type_for_clast_bin): New.
3351         (gcc_type_for_clast_expr): Split up into several functions.
3352         (gcc_type_for_clast_eq): Rewritten.
3353         (compute_bounds_for_level): New.
3354         (compute_type_for_level_1): New.
3355         (compute_type_for_level): New.
3356         (gcc_type_for_cloog_iv): Removed.
3357         (gcc_type_for_iv_of_clast_loop): Rewritten.
3358         (graphite_create_new_loop): Compute the lower and upper bound types
3359         with gcc_type_for_clast_expr.
3360         (graphite_create_new_loop_guard): Same.
3361         (find_cloog_iv_in_expr): Removed.
3362         (compute_cloog_iv_types_1): Removed.
3363         (compute_cloog_iv_types): Removed.
3364         (gloog): Do not call compute_cloog_iv_types.
3365         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
3366         GBB_CLOOG_IV_TYPES.
3367         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
3368         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
3369         (GBB_CLOOG_IV_TYPES): Removed.
3370
3371 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3372
3373         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
3374         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
3375         (detect_commutative_reduction): Same.
3376
3377 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3378
3379         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
3380         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
3381         argument.
3382         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
3383         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
3384         (rewrite_commutative_reductions_out_of_ssa): Same.
3385         * passes.c (execute_function_todo): Call verify_ssa for every pass
3386         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
3387         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
3388         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
3389         with an extra argument.
3390         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
3391         verify_ssa only when the extra argument is true.
3392         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
3393         with an extra argument.
3394         (tree_transform_and_unroll_loop): Same.
3395
3396 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3397
3398         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
3399         for all the passes of the LNO having LOOP_CLOSED_SSA.
3400         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
3401         * tree-loop-distribution.c (pass_loop_distribution): Same.
3402         * tree-pass.h (TODO_verify_loops): Removed.
3403         * tree-ssa-loop.c (pass_tree_loop_init): Same.
3404         (pass_lim): Same.
3405         (pass_tree_unswitch): Same.
3406         (pass_predcom): Same.
3407         (pass_vectorize): Same.
3408         (pass_linear_transform): Same.
3409         (pass_graphite_transforms): Same.
3410         (pass_iv_canon): Same.
3411         (pass_complete_unroll): Same.
3412         (pass_complete_unrolli): Same.
3413         (pass_parallelize_loops): Same.
3414         (pass_loop_prefetch): Same.
3415         (pass_iv_optimize): Same.
3416
3417 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
3418
3419         PR middle-end/32824
3420         * passes.c (init_optimization_passes): Move pass_lim before
3421         pass_copy_prop and pass_dce_loop.
3422
3423 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3424
3425         PR target/43667
3426         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
3427         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
3428         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
3429         MULTI_* defines for 4 argument vpermil2p* builtins.
3430
3431 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
3432
3433         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
3434         * config/i386/i386.c (x86_maybe_negate_const_int): New.
3435         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
3436         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
3437         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
3438         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
3439         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
3440         Use x86_maybe_negate_const_int to output insn mnemonic.
3441         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
3442         check from instruction predicate.  Update comments.
3443         * config/i386/sync.md (sync_add<mode>): Use
3444         x86_maybe_negate_const_int to output insn mnemonic.
3445
3446 2010-04-06  Jan Hubicka  <jh@suse.cz>
3447
3448         PR tree-optimization/42906
3449         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
3450         IGNORE_SELF argument.  Set visited_control_parents for fully
3451         processed BBs.
3452         (find_obviously_necessary_stmts): Update call of
3453         mark_control_dependent_edges_necessary.
3454         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
3455
3456 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
3457
3458         * config/i386/i386.md: Remove comment about 'e' and 'E'
3459         operand modifier.
3460
3461 2010-04-06  Richard Guenther  <rguenther@suse.de>
3462
3463         PR tree-optimization/43627
3464         * tree-vrp.c (extract_range_from_unary_expr): Widenings
3465         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
3466         not varying.
3467
3468 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3469
3470         * BASE-VER: Change to 4.6.0.
3471
3472         PR target/43638
3473         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
3474         handling.
3475
3476 2010-04-06  Richard Guenther  <rguenther@suse.de>
3477
3478         PR middle-end/43661
3479         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
3480
3481 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3482
3483         * doc/invoke.texi (Optimize Options): Document that LTO
3484         won't remove object access purely due to incompatible
3485         declarations.
3486
3487 2010-04-04  Matthias Klose  <doko@ubuntu.com>
3488
3489         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
3490         Initialize variable.
3491
3492 2010-04-03  Richard Guenther  <rguenther@suse.de>
3493
3494         PR middle-end/42509
3495         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
3496         require a non-NULL MEM_OFFSET.
3497
3498 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
3499
3500         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
3501         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
3502         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
3503         config/alpha/predicates.md, config/arm/arm.md,
3504         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
3505         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
3506         config/darwin9.h, config/darwin.c, config/darwin.h,
3507         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
3508         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
3509         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
3510         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
3511         config/mips/mips.md, config/mn10300/mn10300.c,
3512         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
3513         config/rs6000/aix.h, config/rs6000/dfp.md,
3514         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
3515         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
3516         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
3517         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
3518         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
3519         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
3520         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
3521         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
3522         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
3523         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
3524         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
3525         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
3526         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
3527         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
3528         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
3529         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
3530         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
3531         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
3532         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
3533         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
3534         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
3535         opt-functions.awk, opth-gen.awk, params.def, passes.c,
3536         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
3537         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
3538         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
3539         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
3540         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
3541         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
3542         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
3543         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3544         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
3545         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
3546         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
3547         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
3548         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
3549         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
3550
3551 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3552
3553         PR other/43620
3554         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
3555         * aclocal.m4: Regenerate.
3556
3557 2010-04-02  Richard Guenther  <rguenther@suse.de>
3558
3559         PR tree-optimization/43629
3560         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
3561         if we have seen a constant value.
3562
3563 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
3564
3565         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
3566
3567 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
3568
3569         PR target/43469
3570         * arm.c (legitimize_tls_address): Adjust call to
3571         gen_tls_load_dot_plus_four.
3572         (arm_note_pic_base): New function.
3573         (arm_cannot_copy_insn_p): Use it.
3574         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
3575         constraint.
3576
3577 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3578
3579         PR bootstrap/43531
3580
3581         Revert:
3582         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3583
3584         * Makefile.in ($(out_object_file)): Depend on
3585         gt-$(basename $(notdir $(out_file))).h.
3586
3587 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
3588
3589         * config.gcc (lm32-*-rtems*): Add t-lm32.
3590
3591 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
3592
3593         * config.gcc: Add lm32-*-rtems*.
3594         * config/lm32/rtems.h: New file.
3595
3596 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
3597
3598         PR target/42609
3599         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3600
3601 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
3602
3603         * dwarf2out.c (output_compilation_unit_header): For
3604         -gdwarf-4 use version 4 instead of version 3.
3605         (output_line_info): For version 4 and above emit additional
3606         maximum ops per insn header field.
3607         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
3608
3609         * dwarf2out.c (is_c_family, is_java): Remove.
3610         (lower_bound_default): New function.
3611         (add_bound_info, gen_descr_array_type_die): Use it.
3612
3613 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
3614
3615         PR debug/43325
3616         * dwarf2out.c (gen_variable_die): Allow debug info for variable
3617         re-declaration when it happens in a function.
3618
3619 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
3620
3621         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
3622         (cgraph_remove_function_insertion_hook): Same.
3623         (cgraph_call_function_insertion_hooks): Same.
3624
3625 2010-04-01  Richard Guenther  <rguenther@suse.de>
3626
3627         PR middle-end/43614
3628         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
3629         and TREE_THIS_VOLATILE.
3630         (copy_ref_info): Likewise.
3631         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
3632         * tree.c (build6_stat): Ignore side-effects of all but arg5
3633         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
3634         TARGET_MEM_REF.
3635
3636 2010-04-01  Richard Guenther  <rguenther@suse.de>
3637
3638         PR tree-optimization/43607
3639         * ipa-type-escape.c (check_call): Do not access non-existing
3640         arguments.
3641
3642 2010-04-01  Richard Guenther  <rguenther@suse.de>
3643
3644         PR middle-end/43602
3645         Revert
3646         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3647                     Jack Howarth <howarth@bromo.med.uc.edu>
3648
3649         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3650         variables TLS.
3651
3652 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3653
3654         * doc/install.texi (Prerequisites): Document libelf usability on
3655         IRIX 5/6 and Solaris 2.
3656         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
3657         Update GNU as, GNU ld requirements.
3658         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
3659         Document Sun Studio compiler download.
3660         Update and simplify as, ld recommendations.
3661         (Specific, *-*-solaris2.7): Note obsoletion, removal.
3662
3663 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3664
3665         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
3666         with_tune_32 to pentium4.
3667
3668 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
3669
3670         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
3671
3672 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3673
3674         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
3675         obsoletion, removal.
3676         Update IDO URL.
3677         Document GNU as requirement.
3678         Update configure requirements.
3679         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
3680         Recomment IRIX 6.5.18+.
3681         Document IDF/IDL requirement.
3682         Document GNU as requirement.
3683         Document GNU ld bootstrap failure.
3684         Remove freeware.sgi.com reference.
3685
3686 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3687
3688         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
3689         UNIX V4.0, V5.0 obsoletion, removal.
3690         Remove --with-gc=simple reference.
3691         Update VM requirements during bootstrap.
3692         Remove -oldas bootstrap description.
3693         Update binutils reference.
3694         Remove comparison failure note.
3695
3696 2010-03-31  Richard Guenther  <rguenther@suse.de>
3697             Zdenek Dvorak  <ook@ucw.cz>
3698             Sebastian Pop  <sebastian.pop@amd.com>
3699
3700         PR middle-end/43464
3701         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
3702         with multiple arguments.
3703         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
3704
3705 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3706
3707         * graphite-dependences.c (print_pddr): Call print_pdr with an
3708         extra argument.
3709         * graphite-poly.c (debug_pdr): Add an extra argument for the
3710         verbosity level.
3711         (print_pdr): Same.
3712         (print_pbb_domain): Same.
3713         (print_pbb): Same.
3714         (print_scop_context): Same.
3715         (print_scop): Same.
3716         (print_cloog): Same.
3717         (debug_pbb_domain): Same.
3718         (debug_pbb): Same.
3719         (print_pdrs): Same.
3720         (debug_pdrs): Same.
3721         (debug_scop_context): Same.
3722         (debug_scop): Same.
3723         (debug_cloog): Same.
3724         (print_scop_params): Same.
3725         (debug_scop_params): Same.
3726         (print_iteration_domain): Same.
3727         (print_iteration_domains): Same.
3728         (debug_iteration_domain): Same.
3729         (debug_iteration_domains): Same.
3730         (print_scattering_function): Same.
3731         (print_scattering_functions): Same.
3732         (debug_scattering_function): Same.
3733         (debug_scattering_functions): Same.
3734         * graphite-poly.h (debug_pdr): Update declaration.
3735         (print_pdr): Same.
3736         (print_pbb_domain): Same.
3737         (print_pbb): Same.
3738         (print_scop_context): Same.
3739         (print_scop): Same.
3740         (print_cloog): Same.
3741         (debug_pbb_domain): Same.
3742         (debug_pbb): Same.
3743         (print_pdrs): Same.
3744         (debug_pdrs): Same.
3745         (debug_scop_context): Same.
3746         (debug_scop): Same.
3747         (debug_cloog): Same.
3748         (print_scop_params): Same.
3749         (debug_scop_params): Same.
3750         (print_iteration_domain): Same.
3751         (print_iteration_domains): Same.
3752         (debug_iteration_domain): Same.
3753         (debug_iteration_domains): Same.
3754         (print_scattering_function): Same.
3755         (print_scattering_functions): Same.
3756         (debug_scattering_function): Same.
3757         (debug_scattering_functions): Same.
3758
3759 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3760
3761         * graphite-poly.c (print_scattering_function_1): New.
3762         (print_scattering_function): Call it.
3763         (print_scop_params): Remove spaces at the end of lines.
3764         (print_cloog): New.
3765         (debug_cloog): New.
3766         * graphite-poly.h (print_cloog): Declared.
3767         (debug_cloog): Declared.
3768
3769 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3770
3771         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
3772         in loop->header.
3773         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
3774         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
3775         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
3776         to switch between adding the IV bump in loop->latch or in loop->header.
3777
3778 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3779
3780         * graphite-poly.c (print_scattering_function): Pretty print following
3781         the scoplib format.
3782         (print_pdr): Same.
3783         (print_pbb_domain): Same.
3784         (dump_gbb_cases): Same.
3785         (dump_gbb_conditions): Same.
3786         (print_pdrs): Same.
3787         (print_pbb): Same.
3788         (print_scop_params): Same.
3789         (print_scop_context): Same.
3790         (print_scop): Same.
3791         (print_pbb_body): New.
3792         (lst_indent_to): New.
3793         (print_lst): Start new lines with a #.
3794         * graphite-poly.h (pbb_bb): New.
3795         (pbb_index): Use pbb_bb.
3796         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
3797         disjuncts.
3798         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
3799
3800 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
3801
3802         * dwarf2out.c (size_of_die): For -gdwarf-4 use
3803         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
3804         and 0 instead of 1 for dw_val_class_flag.
3805         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
3806         dw_val_class_range_list, dw_val_class_loc_list,
3807         dw_val_class_lineptr and dw_val_class_macptr, use
3808         DW_FORM_flag_present for dw_val_class_flag and
3809         DW_FORM_exprloc for dw_val_class_loc.
3810         (output_die): For -gdwarf-4 print dw_val_class_loc
3811         size as uleb128 instead of 1 or 2 bytes and don't print
3812         anything for dw_val_class_flag.
3813
3814         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
3815         instead of cselib_lookup following by tweaking locs->setting_insn.
3816
3817         PR bootstrap/43596
3818         * cselib.c (cselib_process_insn): Clear cselib_current_insn
3819         even before returning from label, setjmp call or volatile asm
3820         handling.
3821
3822 2010-03-31  Richard Guenther  <rguenther@suse.de>
3823
3824         PR middle-end/43600
3825         * cgraphunit.c (cgraph_output_in_order): Do not allocate
3826         temporary data on stack.
3827
3828 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3829
3830         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
3831         (PUSHSECTION_ASM_OP): Remove.
3832         (POPSECTION_ASM_OP): Remove.
3833         (PUSHSECTION_FORMAT): Remove.
3834         * config/sol2.h (PUSHSECTION_FORMAT): Define.
3835         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
3836         * config/sol2.c (solaris_output_init_fini): Use it.
3837
3838 2010-03-31  Jie Zhang  <jie@codesourcery.com>
3839
3840         PR 43574
3841         * opt-functions.awk (var_type_struct): Use signed char type
3842         for simple variables.
3843
3844 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3845
3846         * config/sol2.c: Include output.h.
3847         (solaris_assemble_visibility): New function.
3848         * config/t-sol2 (sol2.o): Add output.h dependency.
3849         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
3850         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
3851         Redefine.
3852
3853 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
3854
3855         PR target/43580
3856         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
3857         V2SImode or XFmode on PRE_DEC.
3858
3859         PR debug/43557
3860         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
3861         BLKmode.
3862
3863 2010-03-31  Jie Zhang  <jie@codesourcery.com>
3864
3865         PR 43562
3866         * reload.h (caller_save_initialized_p): Declare.
3867         * toplev.c (backend_init_target): Don't call
3868         init_caller_save but set caller_save_initialized_p to false.
3869         * caller-save.c (caller_save_initialized_p): Define.
3870         (init_caller_save): Check caller_save_initialized_p.
3871         * ira.c (ira): Call init_caller_save if flag_caller_saves.
3872
3873 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3874
3875         PR target/39048
3876         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
3877         and soft-fp/t-softfp to tmake_file.
3878         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
3879         (LIBGCC2_TF_CEXT): Define.
3880         (TF_SIZE): Define.
3881
3882 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
3883
3884         PR debug/42977
3885         * cselib.c (n_useless_values): Document handling of debug locs.
3886         (n_useless_debug_values, n_debug_values): New variables.
3887         (new_elt_loc_list): Don't add to debug values, keep count.
3888         (promote_debug_loc): New.
3889         (cselib_reset_table): Zero new variables.
3890         (entry_and_rtx_equal_p): Promote debug locs.
3891         (discard_useless_locs): Increment n_useless_debug_values for
3892         debug values.
3893         (remove_useless_values): Adjust n_useless_values and n_debug_values
3894         with n_useless_debug_values.
3895         (add_mem_for_addr): Promote debug locs.
3896         (cselib_lookup_mem): Likewise.
3897         (cselib_lookup_addr): Renamed to...
3898         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
3899         (cselib_log_lookup): ... this.  Turn into...
3900         (cselib_lookup_addr): ... new wrapper.
3901         (cselib_lookup_from_insn): New.
3902         (cselib_invalidate_regno): Increment n_useless_debug_values for
3903         debug values.
3904         (cselib_invalidate_mem): Likewise.
3905         (cselib_process_insn): Take n_deleted and n_debug_values into
3906         account to guard remove_useless_value call.
3907         (cselib_finish): Zero n_useless_debug_values.
3908         * cselib.h (cselib_lookup_from_insn): Declare.
3909         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
3910         (sched_analyze_2): Likewise.
3911
3912 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
3913
3914         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
3915         functions.
3916         (adjust_mems): Replace narrowing SUBREG of expression containing
3917         just PLUS, MINUS, MULT and ASHIFT of registers and constants
3918         with operations in the narrower mode.
3919
3920         PR debug/43593
3921         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
3922         regs_invalidated_by_call instead all call_used_reg_set registers.
3923
3924 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
3925
3926         PR middle-end/43430
3927         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
3928         pointer comparisons with types_compatible_p.
3929         * tree-vect-stmts.c (vectorizable_call): Same.
3930         (vectorizable_condition): Same.
3931
3932 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3933
3934         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
3935         stack check if the mask would be zero.
3936
3937 2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3938             Jack Howarth <howarth@bromo.med.uc.edu>
3939
3940         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3941         variables TLS.
3942
3943 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
3944
3945         PR other/25232
3946         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
3947         and __unordtf2.
3948         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
3949         Include ___unordxf2 and ___unordtf2.
3950         * config/i386/libgcc-glibc.ver: Do not define inheritance from
3951         GCC_4.4.0 here.
3952
3953 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>
3954
3955         * config/lm32/t-lm32: New file.
3956         * config.gcc: Use the above file when targetting lm32.
3957
3958 2010-03-28  Duncan Sands  <baldrick@free.fr>
3959
3960         * Makefile.in (PLUGIN_HEADERS): Add except.h.
3961
3962 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
3963
3964         PR middle-end/43431
3965         * tree-vect-loop.c (vect_estimate_min_profitable_iters):
3966         Improve vectorization cost model diagnostic.
3967
3968 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
3969
3970         PR middle-end/43436
3971         * tree-vect-data-refs.c (vect_analyze_data_refs): When
3972         compute_data_dependences_for_loop returns false, early exit
3973         and output an extra diagnostic for the failed data reference
3974         analysis.
3975
3976 2010-03-29  Richard Guenther  <rguenther@suse.de>
3977
3978         PR tree-optimization/43560
3979         * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
3980         (can_sm_ref_p): Treat stores to readonly locations as trapping.
3981
3982 2010-03-29  Jie Zhang  <jie@codesourcery.com>
3983
3984         PR 43564
3985         * toplev.c (process_options): Set optimization_default_node
3986         and optimization_current_node.
3987         * opts.c (decode_options): Don't set optimization_default_node
3988         and optimization_current_node.
3989
3990 2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>
3991
3992         * config/rtems.h: Abandon -qrtems_debug.
3993
3994 2010-03-28  Jan Hubicka  <jh@suse.cz>
3995
3996         PR tree-optimization/43505
3997         * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
3998         map should not be copied.
3999
4000 2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4001
4002         PR middle-end/41674
4003         * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
4004         cdtors, set DECL_PRESERVE_P.
4005         * ipa.c (cgraph_externally_visible_p): Return true if declaration
4006         should be preseved.
4007
4008 2010-03-27  Uros Bizjak  <ubizjak@gmail.com>
4009
4010         PR tree-optimization/43528
4011         * stor-layout.c (place_field): Check that constant fits into
4012         unsigned HWI when skipping calculation of MS bitfield layout.
4013
4014 2010-03-27  Jan Hubicka  <jh@suse.cz>
4015
4016         PR middle-end/43391
4017         * varasm.c (make_decl_rtl): Deal with COMMON flag to make
4018         notice_global_symbol work.