gcc/ChangeLog

   1 2009-03-17  Jing Yu  <jingyu@google.com>
   2
   3         PR middle-end/39378
   4         * function.h: Move is_thunk from rtl_data structure to function
   5         structure.
   6         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
   7         * varasm.c (assemble_start_function): Change is_thunk from crtl to
   8         cfun.
   9         * config/alpha/alpha.c: Change is_thunk from crtl to cfun.
  10         * config/rs6000/rs6000.c: Change is_thunk from crtl to cfun.
  11         * config/arm/arm.h: Change is_thunk from crtl to cfun.
  12
  13 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
  14
  15         PR target/39482
  16         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
  17         from different units in a single alternative.
  18         (*truncdfsf_i387): Ditto.
  19         (*truncxfsf2_mixed): Ditto.
  20         (*truncxfdf2_mixed): Ditto.
  21
  22 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
  23
  24         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
  25         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
  26
  27         PR debug/39474
  28         * tree-ssa-live.c (remove_unused_locals): Don't remove local
  29         unused non-artificial variables when not optimizing.
  30
  31         PR debug/39471
  32         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
  33         DW_TAG_imported_module even if decl is IMPORTED_DECL with
  34         NAMESPACE_DECL in its DECL_INITIAL.
  35
  36         PR middle-end/39443
  37         * optabs.c (set_user_assembler_libfunc): New function.
  38         * expr.h (set_user_assembler_libfunc): New prototype.
  39         * c-common.c: Include libfuncs.h.
  40         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
  41         for memcmp, memset, memcpy, memmove and abort.
  42         * Makefile.in (c-common.o): Depend on libfuncs.h.
  43
  44         PR debug/39412
  45         * dwarf2out.c (gen_inlined_enumeration_type_die,
  46         gen_inlined_structure_type_die, gen_inlined_union_type_die,
  47         gen_tagged_type_instantiation_die): Removed.
  48         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
  49         do nothing.
  50
  51 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
  52
  53         PR testsuite/38526
  54         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
  55         its use.
  56         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
  57         (check-parallel-%): Ditto.
  58         (check-consistency): Ditto.
  59
  60 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
  61
  62         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
  63         local variable rhs by NULL_TREE.
  64
  65 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
  66
  67         PR target/39477
  68         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
  69
  70 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
  71
  72         PR target/39476
  73         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
  74
  75 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
  76
  77         PR target/39473
  78         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
  79         for ms->sysv ABI calls only in 64bit mode.
  80
  81         * config/i386/i386.md (untyped_call): Support 32bit.
  82
  83 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
  84
  85         * doc/extend.texi: Replace x86_65 with x86_64.
  86
  87 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
  88
  89         PR tree-optimization/39455
  90         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
  91         mismatches for POINTER_TYPE_P (type).
  92         (number_of_iterations_le): Likewise.
  93
  94 2009-03-16  Hariharan Sandanagobalane <hariharan@picochip.com>
  95
  96         * config/picochip/picochip.c: Removed profiling support.
  97         * config/picochip/picochip.md: Removed profiling instruction.
  98         * config/picochip/picochip.h: Removed profiling builtin.
  99
 100 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
 101
 102         * doc/install.texi (--with-host-libstdcxx): Document.
 103
 104 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
 105
 106         PR target/34299
 107         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
 108         generate a warning if the function name does not begin with
 109         "__vector" and the function has either the 'signal' or 'interrupt'
 110         attribute, from here to ...
 111         (avr_declare_function_name): ...here. New function.
 112         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
 113         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
 114
 115 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
 116
 117         PR bootstrap/39454
 118         * cse.c (fold_rtx): Don't modify original const_arg1 when
 119         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
 120         separate variable instead.
 121         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
 122         from out of range shift counts.
 123         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
 124
 125 2008-03-13  Catherine Moore  <clm@codesourcery.com>
 126
 127         * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
 128         diagnostic.h with $(DIAGNOSTIC_H).
 129
 130 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
 131
 132         PR target/39431
 133         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
 134         predicate.
 135         * config/i386/sync.md (sync_compare_and_swap<mode>,
 136         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
 137         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
 138         into a register.
 139         (sync_double_compare_and_swapdi_pic,
 140         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
 141         cmpxchg8b_pic_memory_operand instead of just memory_operand.
 142
 143 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
 144
 145         PR target/39445
 146         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
 147
 148 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
 149
 150         PR target/39327
 151         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
 152         (avx_addsubv4df3): Likewise.
 153         (*avx_addsubv4sf3): Likewise.
 154         (sse3_addsubv4sf3): Likewise.
 155
 156 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
 157
 158         PR target/38824
 159         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
 160
 161 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
 162
 163         PR debug/39432
 164         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
 165         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
 166         registers for allocnos created from user-defined variables.
 167
 168 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 169
 170         PR target/39181
 171         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
 172         of non-integer mode as well.
 173
 174 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
 175
 176         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
 177         for functions for which the parameter types are unknown.
 178
 179 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
 180
 181         PR target/39137
 182         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
 183         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
 184         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
 185         * config/i386/i386.c (ix86_local_alignment): For
 186         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
 187         long long variables on the stack to avoid dynamic realignment.
 188         Allow the first argument to be a decl rather than type.
 189         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
 190
 191 2009-03-11  Nick Clifton  <nickc@redhat.com>
 192
 193         PR target/5362
 194         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
 195         options.
 196         Add description to mno-lsim option.
 197         * config/mcore/mcore.h: Remove comment about deprecated m4align
 198         option.
 199         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
 200         * doc/invoke.texi: Add description of mno-lsim and
 201         mstack-increment options.
 202
 203         * config/fr30/fr30.opt: Document the -mno-lsim option.
 204         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
 205         and -mno-lsim options.
 206
 207 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 208
 209         * fold-const.c (fold_comparison): Only call fold_inf_compare
 210         if the mode supports infinities.
 211
 212 2009-03-11  Jason Merrill  <jason@redhat.com>
 213
 214         PR debug/39086
 215         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
 216         end already did.  Notice GIMPLE_CALL modifications of the result.
 217         Don't copy debug information from an ignored decl or a decl from
 218         another function.
 219
 220 2009-03-10  Richard Guenther  <rguenther@suse.de>
 221             Nathan Froyd  <froydnj@codesourcery.com>
 222
 223         PR middle-end/37850
 224         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
 225         (__divMODE3): Likewise.
 226
 227 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
 228
 229         PR tree-optimization/39394
 230         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
 231         DECL_SIZE_UNIT of variable length FIELD_DECLs.
 232
 233 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 234
 235         * recog.c (verfiy_changes): Disallow renaming of hard regs in
 236         inline asms for register asm ("") declarations.
 237
 238 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
 239
 240         * fold-const.c (fold_unary): Fix comment.
 241
 242 2009-03-07  Jan Hubicka  <jh@suse.cz>
 243
 244         PR target/39361
 245         * tree-inline.c (setup_one_parameter): Do replacement of const argument
 246         by constant in SSA form.
 247
 248 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 249
 250         PR middle-end/38028
 251         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
 252         determine alignment passed to assign_stack_local.
 253         (assign_parms_unsplit_complex): Likewise.
 254         * except.c (sjlj_build_landing_pads): Likewise.
 255
 256 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
 257
 258         PR middle-end/39360
 259         * tree-flow.h (add_referenced_var): Return bool instead of void.
 260         * tree-dfa.c (add_referenced_var): Return result of
 261         referenced_var_check_and_insert call.
 262         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
 263         of referenced_var_check_and_insert.
 264
 265         PR debug/39372
 266         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
 267         (gen_variable_die): Emit DW_AT_location on abstract static variable's
 268         DIE, don't emit it if abstract origin already has it.
 269         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
 270         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
 271
 272 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
 273
 274         * genpreds.c: (needs_variable): Fix parentheses at variable name
 275         detection.
 276         (write_tm_constrs_h): Indent generated code.
 277
 278 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
 279
 280         * doc/extend.texi (Function Attributes): Add documentation
 281         for isr attributes.
 282
 283 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
 284
 285         PR debug/39387
 286         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
 287         take locus from its DECL_SOURCE_LOCATION instead of input_location.
 288
 289 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
 290
 291         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
 292         the loop as bad.
 293
 294 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
 295
 296         PR debug/39379
 297         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
 298         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
 299
 300 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
 301
 302         * config/i386/i386.md (R8_REG, R9_REG): New constants.
 303         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
 304         constants instead of magic numbers.
 305         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
 306         (QI_REG_P): Ditto.
 307         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
 308         (x86_64_ms_abi_int_parameter_registers): Ditto.
 309         (x86_64_int_return_registers): Ditto.
 310         (ix86_maybe_switch_abi): Ditto.
 311         (ix86_expand_call): Ditto for clobbered_registers array.
 312         (ix86_hard_regno_mode_ok): Ditto.
 313         (x86_extended_QIreg_mentioned_p): Ditto.
 314
 315 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
 316
 317         PR tree-optimization/39349
 318         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
 319
 320         * combine.c (gen_lowpart_for_combine): Use omode when generating
 321         clobber.
 322
 323 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
 324
 325         PR rtl-optimization/39235
 326         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
 327
 328 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
 329
 330         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
 331
 332 2009-03-04  Richard Guenther  <rguenther@suse.de>
 333
 334         PR tree-optimization/39362
 335         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
 336         that occur in abnormal PHIs should be varying.
 337
 338 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
 339
 340         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
 341         Extend comments.
 342         (simple_iv):  Take loop as an argument instead of statement.
 343         * tree-scalar-evolution.h (simple_iv): Declaration changed.
 344         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
 345         to simple_iv.
 346         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
 347         Ditto.
 348         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
 349         * matrix-reorg.c (analyze_transpose): Ditto.
 350         * tree-data-ref.c (dr_analyze_innermost): Ditto.
 351         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
 352         * tree-predcom.c (ref_at_iteration): Ditto.
 353         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
 354
 355 2009-03-04  Richard Guenther  <rguenther@suse.de>
 356
 357         PR tree-optimization/39358
 358         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
 359         escaped_id and callused_id.
 360         (solve_graph): Likewise.
 361
 362 2009-03-04  Richard Guenther  <rguenther@suse.de>
 363
 364         PR tree-optimization/39339
 365         * tree-sra.c (try_instantiate_multiple_fields): Make it
 366         no longer ICE on the above.
 367
 368 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
 369
 370         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
 371         that fits within Pmode.
 372
 373 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
 374
 375         PR middle-end/10109
 376         * tm.texi (LIBCALL_VALUE): Update description.
 377
 378 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
 379
 380         PR middle-end/34443
 381         * doc/extend.texi (section): Update description.
 382
 383 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
 384
 385         PR middle-end/39345
 386         * tree-inline.c (remapped_type): New.
 387         (can_be_nonlocal): Call remapped_type instead of remap_type.
 388
 389 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
 390
 391         PR fortran/39354
 392         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
 393         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
 394
 395 2009-03-03  Richard Guenther  <rguenther@suse.de>
 396
 397         PR middle-end/39272
 398         * tree.c (tree_nonartificial_location): New function.
 399         * tree.h (tree_nonartificial_location): Declare.
 400         * builtins.c (expand_builtin_memory_chk): Provide location
 401         of the call location for artificial function pieces.
 402         (maybe_emit_chk_warning): Likewise.
 403         (maybe_emit_sprintf_chk_warning): Likewise.
 404         (maybe_emit_free_warning): Likewise.
 405         * expr.c (expand_expr_real_1): Likewise.
 406
 407 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
 408
 409         PR tree-optimization/39343
 410         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
 411         COMPONENT_REF t has ARRAY_TYPE.
 412
 413 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
 414
 415         PR middle-end/39335
 416         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
 417         when the type precision of the induction variable should be
 418         larger than the type precision of nit.
 419         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
 420         * graphite.c (graphite_loop_normal_form): Same.
 421         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
 422
 423 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
 424
 425         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
 426         (*call_1_rex64_ms_sysv): Use named constants instead of magic
 427         numbers to describe clobbered registers.
 428         (*call_value_0_rex64_ms_sysv): Ditto.
 429         * config/i386/mmx.md (mmx_emms): Ditto.
 430         (mmx_femms): Ditto.
 431
 432 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
 433
 434         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
 435         of ABI_64.
 436
 437 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 438
 439         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
 440         (spu_section_type_flags): New function.
 441
 442 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
 443
 444         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
 445         reg_class_contents of FLOAT_REGS into a temporary.
 446
 447 2009-03-02  Richard Guenther  <rguenther@suse.de>
 448             Ira Rosen  <irar@il.ibm.com>
 449
 450         PR tree-optimization/39318
 451         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
 452         information to the vectorized statement.
 453
 454 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
 455
 456         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
 457         variable.  Use defined names instead of magic constants for REX SSE
 458         registers.
 459
 460 2009-03-01  Richard Guenther  <rguenther@suse.de>
 461
 462         PR tree-optimization/39331
 463         * omp-low.c (lower_send_shared_vars): Do not receive new
 464         values for the reference of DECL_BY_REFERENCE parms or results.
 465
 466 2009-03-01  Jan Hubicka  <jh@suse.cz>
 467
 468         PR debug/39267
 469         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
 470         BLOCK_NONLOCALIZED_VAR): New macros.
 471         (tree_block): Add nonlocalized_vars.
 472         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
 473         gen_decl_die): Add origin argument.  Allow generation of die with
 474         origin at hand only.
 475         (gen_member_die, gen_type_die_with_usage, force_decl_die,
 476         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
 477         of gen_*.
 478         (gen_block_die): Fix checking for unused blocks.
 479         (process_scope_var): Break out from .... ; work with origins only.
 480         (decls_for_scope) ... here; process nonlocalized list.
 481         (dwarf2out_ignore_block): Look for nonlocalized vars.
 482         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
 483         vars.
 484         (dump_scope_block): Dump them.
 485         * tree-inline.c (remap_decls): Handle nonlocalized vars.
 486         (remap_block): Likewise.
 487         (can_be_nonlocal): New predicate.
 488         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
 489
 490 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 491
 492         * configure: Regenerate.
 493
 494 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 495
 496         * optc-gen.awk: No need to duplicate option flags twice.
 497         Reuse help texts for duplicate options which do not have any.
 498
 499         * gcc.c (display_help): Document --version.
 500
 501         * gcc.c (main): If print_help_list and verbose_flag, ensure
 502         driver output comes before subprocess output.
 503
 504         * optc-gen.awk: Assign all remaining fields to help string,
 505         space-separated, for multi-line help in *.opt.
 506
 507         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
 508         -Wno-pedantic-ms-format is for MinGW targets only.
 509
 510         * doc/options.texi (Option file format): Fix bad indentation,
 511         restoring dropped sentence.
 512
 513 2009-02-28  Jan Hubicka  <jh@suse.cz>
 514
 515         * tree-inline.c (tree_function_versioning): Output debug info.
 516
 517 2009-02-28  Jan Hubicka  <jh@suse.cz>
 518
 519         PR debug/39267
 520         * tree-inline.c (setup_one_parameter): Do not copy propagate
 521         arguments when not optimizing.
 522
 523 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
 524
 525         PR target/39327
 526         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
 527         (avx_addsubv4df3): Likewise.
 528         (*avx_addsubv4sf3): Likewise.
 529         (sse3_addsubv4sf3): Likewise.
 530         (*avx_addsubv2df3): Likewise.
 531         (sse3_addsubv2df3): Likewise.
 532         (avx_unpckhps256): Correct item selectors.
 533         (avx_unpcklps256): Likewise.
 534         (avx_unpckhpd256): Likewise.
 535         (avx_unpcklpd256): Likewise.
 536
 537 2009-02-28  Jan Hubicka  <jh@suse.cz>
 538
 539         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
 540         static vars.
 541         (copy_arguments_for_versioning): If var is declared don't declare it.
 542         (tree_function_versioning): First setup substitutions and then copy
 543         args.
 544
 545 2009-02-27  Jan Hubicka  <jh@suse.cz>
 546
 547         PR debug/39267
 548         * cgraph.h (varpool_output_debug_info): Remove.
 549         * cgraphunit.c (varpool_output_debug_info): Remove.
 550         * dwarf2out.c (deferred_locations_struct): New struct
 551         (deferred_locations): New type.
 552         (deferred_locations_list): New static var.
 553         (deffer_location): New function.
 554         (gen_variable_die): Use it.
 555         (decls_for_scope): Output info on local static vars.
 556         (dwarf2out_finish): Process deferred locations.
 557         * varpool.c (varpool_output_debug_info): Remove.
 558
 559 2009-02-27  Jan Hubicka  <jh@suse.cz>
 560
 561         PR debug/39267
 562         * tree.h (TREE_PROTECTED): Fix comment.
 563         (BLOCK_HANDLER_BLOCK): Remove.
 564         (struct tree_block): Remove handler_block add body_block.
 565         (inlined_function_outer_scope_p): New.
 566         (is_body_block): Remove.
 567         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
 568         * dwarf2out.c (is_inlined_entry_point): Remove.
 569         (add_high_low_attributes): Use inlined_function_outer_scope_p.
 570         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
 571         code.
 572         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
 573         * gimplify.c (gimplify_expr): Gimplify body blocks.
 574         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
 575         block with multiple subblocks.
 576         (dump_scope_block): Prettier output; dump more flags and info.
 577         (dump_scope_blocks): New.
 578         (remove_unused_locals): Use dump_scope_blocks.
 579         * tree-flow.h (dump_scope_blocks): Declare.
 580         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
 581         * stmt.c (is_body_block): Remove.
 582         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
 583         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
 584
 585 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
 586
 587         PR middle-end/39308
 588         * graphite.c (graphite_loop_normal_form): Do not call
 589         number_of_iterations_exit from a gcc_assert.
 590
 591 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 592
 593         * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
 594         jumps if COND is NULL.
 595         (find_cond_jump): New function.
 596         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
 597         * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
 598
 599 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
 600
 601         * config/alpha/alpha.h (alpha_expand_mov): Return false if
 602         force_const_mem returns NULL_RTX.
 603
 604 2009-02-26  Jan Hubicka  <jh@suse.cz>
 605
 606         PR debug/39267
 607         * cgraph.h (varpool_output_debug_info): Remove.
 608         * cgraphunit.c (varpool_output_debug_info): Remove.
 609         * dwarf2out.c (deferred_locations_struct): New struct
 610         (deferred_locations): New type.
 611         (deferred_locations_list): New static var.
 612         (deffer_location): New function.
 613         (gen_variable_die): Use it.
 614         (decls_for_scope): Output info on local static vars.
 615         (dwarf2out_finish): Process deferred locations.
 616         * varpool.c (varpool_output_debug_info): Remove.
 617
 618 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
 619
 620         PR rtl-optimization/39241
 621         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
 622         to subreg_offset_representable_p.
 623
 624 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
 625
 626         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
 627         execute function prototype.  Get f and nregs from max_reg_num
 628         and get_insns.  Remove the first backward pass as it's dead,
 629         guard the forward pass by flag_expensive_optimizations.
 630         (rest_of_handle_regmove): Delete.
 631         (pass_regmove): Replace it with regmove_optimize.
 632
 633 2009-02-25  Martin Jambor  <mjambor@suse.cz>
 634
 635         PR tree-optimization/39259
 636         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
 637         calls_alloca function flags.
 638         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
 639         calls are detected.
 640
 641 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
 642
 643         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
 644         flags_set_1_rtx, flags_set_1_set): Delete.
 645         (regmove_optimize): Do not call mark_flags_life_zones.
 646
 647 2009-02-24  Julian Brown  <julian@codesourcery.com>
 648
 649         PR target/35965
 650         * config/arm/arm.c (require_pic_register): Only set
 651         cfun->machine->pic_reg once per function.
 652
 653 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
 654
 655         * doc/invoke.texi (Link Options): Document an easier way to pass
 656         options that take arguments to the GNU linker using -Xlinker and -Wl.
 657
 658 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
 659
 660         PR target/33785
 661         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
 662
 663 2009-02-24  Richard Guenther  <rguenther@suse.de>
 664
 665         PR debug/39285
 666         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
 667
 668 2009-02-24  Richard Guenther  <rguenther@suse.de>
 669             Zdenek Dvorak  <ook@ucw.cz>
 670
 671         PR tree-optimization/39233
 672         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
 673         from converting them to a generic type.
 674
 675 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
 676
 677         PR tree-optimization/39260
 678         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
 679         contains a condition with a real type.
 680         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
 681
 682 2009-02-23  Jason Merrill  <jason@redhat.com>
 683
 684         PR c++/38880
 685         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
 686         narrowing_initializer_constant_valid_p.
 687         (narrowing_initializer_constant_valid_p): Don't return
 688         null_pointer_node for adding a pointer to itself.
 689
 690 2009-02-23  Jan Hubicka  <jh@suse.cz>
 691
 692         PR c/12245
 693         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
 694         resizing.
 695
 696 2009-02-23  Jan Hubicka  <jh@suse.cz>
 697
 698         PR tree-optimization/37709
 699         * tree.c (block_ultimate_origin): Move here from dwarf2out.
 700         * tree.h (block_ultimate_origin): Declare.
 701         * dwarf2out.c (block_ultimate_origin): Move to tree.c
 702         * tree-ssa-live.c (remove_unused_scope_block_p):
 703         Eliminate blocks containig no instructions nor live variables nor
 704         nested blocks.
 705         (dump_scope_block): New function.
 706         (remove_unused_locals): Enable removal of dead blocks by default;
 707         enable dumping at TDF_DETAILS.
 708
 709 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
 710
 711         * config/i386/i386.c (classify_argument): Don't allow COImode
 712         and OImode.
 713         (function_arg_advance_32): Don't allow OImode.
 714         (function_arg_32): Likewise.
 715         (function_value_32): Likewise.
 716         (return_in_memory_32): Likewise.
 717         (function_arg_64): Remove OImode comment.
 718
 719 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
 720
 721         PR target/39261
 722         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
 723         ix86_expand_vector_set for V4DImode in 64bit mode only.
 724         (ix86_expand_vector_init_one_var): Likewise.
 725
 726 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
 727
 728         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
 729
 730 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
 731
 732         PR bootstrap/39257
 733         * loop-iv.c: Revert last change.
 734         * emit-rtl.c: Likewise.
 735
 736 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
 737
 738         PR target/39256
 739         * config/i386/i386.c (type_natural_mode): Remove an extra
 740         space in the warning message.
 741         (function_value_32): Handle 32-byte vector modes.
 742         (return_in_memory_32): Likewise.
 743
 744 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
 745
 746         * loop-iv.c (truncate_value): New function.
 747         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
 748         of lowpart_subreg.
 749         (lowpart_subreg): Move to...
 750         * emit-rtl.c: ...here.
 751
 752 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
 753
 754         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
 755         accidental and undocumented change at revision 140860.
 756
 757 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
 758
 759         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
 760         take gimple_seq * arguments.
 761         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
 762         types_compatible_p langhook.
 763
 764 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
 765             Joseph Myers  <joseph@codesourcery.com>
 766
 767         * config/arm/arm.c (arm_builtin_va_list): New function.
 768         (arm_expand_builtin_va_start): Likewise.
 769         (arm_gimplify_va_arg_expr): Likewise.
 770         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
 771         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
 772         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
 773         (va_list_type): New variable.
 774         (arm_mangle_type): Mangle va_list_type appropriately.
 775
 776 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
 777
 778         PR middle-end/39157
 779         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
 780         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
 781         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
 782         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
 783         parameter to 1000 for -O1 by default.
 784         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
 785         parameter.
 786         * loop-invariant.c: Include params.h.
 787         (move_loop_invariants): Don't call move_single_loop_invariants on
 788         very large loops.
 789
 790 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
 791
 792         * calls.c (emit_library_call_value_1): Use slot_offset instead of
 793         offset when calculating bounds for indexing stack_usage_map.  Fixes
 794         a buffer overflow with certain target setups.
 795
 796 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
 797
 798         PR target/39240
 799         * calls.c (expand_call): Clear try_tail_call if caller and callee
 800         disagree in promotion of function return value.
 801
 802 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
 803
 804         PR target/39175
 805         * c-common.c (c_determine_visibility): If visibility changed and
 806         DECL_RTL has been already set, call make_decl_rtl to update symbol
 807         flags.
 808
 809 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
 810
 811         PR c++/39188
 812         * varasm.c (assemble_variable): Don't check DECL_NAME when
 813         globalizing a variable.
 814
 815 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
 816
 817         PR c/38483
 818         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
 819         expression before any __builtin_trap call.
 820         * c-typeck.c (build_function_call): Convert and check function
 821         arguments before generating a call to a trap.  Evaluate the
 822         function arguments before the trap.
 823
 824 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
 825
 826         PR target/39228
 827         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
 828         (UNSPEC_FXAM_MEM): New unspec.
 829         (fxam<mode>2_i387_with_temp): New insn and split pattern.
 830         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
 831         memory using fxam<mode>2_i387_with_temp to remove excess precision.
 832
 833 2009-02-19  Richard Guenther  <rguenther@suse.de>
 834
 835         PR tree-optimization/39207
 836         PR tree-optimization/39074
 837         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
 838         storedanything_tree): New.
 839         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
 840         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
 841         (build_succ_graph): Add edges from STOREDANYTHING to all
 842         non-direct nodes.
 843         (init_base_vars): Initialize STOREDANYTHING.
 844         (compute_points_to_sets): Free substitution info after
 845         building the succ graph.
 846         (ipa_pta_execute): Likewise.
 847
 848         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
 849         field.
 850         (do_ds_constraint): Do not add to special var or non-pointer
 851         field solutions.
 852         (type_could_have_pointers): Split out from ...
 853         (could_have_pointers): ... here.  For arrays use the element type.
 854         (create_variable_info_for): Initialize may_have_pointers.
 855         (new_var_info): Likewise.
 856         (handle_lhs_call): Make the HEAP variable unknown-sized.
 857         (intra_create_variable_infos): Use a type with pointers for
 858         PARM_NOALIAS, make it unknown-sized.
 859
 860 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
 861
 862         PR target/39224
 863         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
 864
 865 2009-02-18  Jason Merrill  <jason@redhat.com>
 866
 867         PR target/39179
 868         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
 869         value if DECL_EXTERNAL.
 870         * tree-sra.c (sra_walk_gimple_assign): Likewise.
 871         * target.h (gcc_target::binds_local_p): Clarify "module".
 872         * tree.h (TREE_PUBLIC): Clarify "module".
 873
 874 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
 875
 876         PR target/38891
 877         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
 878         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
 879
 880 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
 881
 882         PR target/39082
 883         * c.opt (Wabi): Support C and ObjC.
 884         (Wpsabi): New.
 885
 886         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
 887
 888         * config/i386/i386.c (classify_argument): Warn once about the ABI
 889         change when passing union with long double.
 890
 891         * doc/invoke.texi: Update -Wabi for warning psABI changes.
 892
 893 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
 894
 895         PR c/35447
 896         * c-parser.c (c_parser_compound_statement): Always enter and leave
 897         a scope.
 898
 899 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 900
 901         PR target/34587
 902         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
 903
 904 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
 905
 906         PR tree-optimization/36922
 907         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
 908         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
 909         Likewise.
 910
 911 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
 912
 913         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
 914         to 0 for EABI64.
 915
 916 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
 917
 918         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
 919
 920 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
 921
 922         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
 923         tree sharing.
 924
 925 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
 926             Richard Sandiford  <rdsandiford@googlemail.com>
 927
 928         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
 929         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
 930         (loongson_biadd): ...this.
 931
 932 2009-02-17  Richard Guenther  <rguenther@suse.de>
 933
 934         PR tree-optimization/39202
 935         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
 936         a var make sure to follow existing collapses.
 937
 938 2009-02-17  Richard Guenther  <rguenther@suse.de>
 939
 940         PR middle-end/39214
 941         * langhooks.c (lhd_print_error_function): Check for NULL block.
 942
 943 2009-02-17  Richard Guenther  <rguenther@suse.de>
 944
 945         PR tree-optimization/39204
 946         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
 947         of the PHI arg.
 948
 949 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
 950
 951         * config/soft-fp/double.h: Update from glibc CVS.
 952
 953 2009-02-17  Richard Guenther  <rguenther@suse.de>
 954
 955         PR tree-optimization/39207
 956         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
 957         strict-aliasing warnings for pointers pointing to NULL.
 958
 959 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
 960
 961         PR c/35446
 962         * c-parser.c (c_parser_braced_init): Call pop_init_level when
 963         skipping until next close brace.
 964
 965 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
 966
 967         PR target/37049
 968         * config/i386/i386.c (ix86_expand_push): Set memory alignment
 969         to function argument boundary.
 970
 971 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
 972
 973         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
 974         in the lea_add. Reload eventually constraints it properly.
 975         * config/picochip/constraints.md : Remove the target constraint
 976         "b", since it is not needed anymore.
 977
 978 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
 979
 980         * gthr-dce.h: Uglify function parameter and local variable names.
 981         * gthr-gnat.h: Likewise.
 982         * gthr-mipssde.h: Likewise.
 983         * gthr-nks.h: Likewise.
 984         * gthr-posix95.h: Likewise.
 985         * gthr-posix.h: Likewise.
 986         * gthr-rtems.h: Likewise.
 987         * gthr-single.h: Likewise.
 988         * gthr-solaris.h: Likewise.
 989         * gthr-tpf.h: Likewise.
 990         * gthr-vxworks.h: Likewise.
 991         * gthr-win32.h: Likewise.
 992
 993 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
 994
 995         PR target/39196
 996         * config/i386/i386.md: Restrict the new peephole2 to move
 997         between MMX/SSE registers.
 998
 999 2009-02-15  Richard Guenther  <rguenther@suse.de>
1000
1001         Revert
1002         2009-02-13  Richard Guenther  <rguenther@suse.de>
1003
1004         * configure.ac: Enable LFS.
1005         * configure: Re-generate.
1006         * config.in: Likewise.
1007
1008 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1009
1010         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
1011         spu_srqwbyte, spu_srqwbytebc): Define.
1012         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
1013         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
1014         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
1015         "shrqby_<mode>"): New insn-and-split patterns.
1016         * config/spu/spu.c (expand_builtin_args): Determine and return
1017         number of operands using spu_builtin_description data.
1018         (spu_expand_builtin_1): Use it.
1019
1020 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
1021
1022         PR target/38056
1023         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
1024         TARGET_CONST_GP.
1025
1026 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
1027
1028         PR target/39149
1029         * config/i386/i386.c (override_options): Correct warning
1030         messages for -malign-loops, -malign-jumps and -malign-functions.
1031
1032 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
1033
1034         PR target/39152
1035         * config/i386/i386.md: Restrict the new peephole2 to move
1036         between the general purpose registers.
1037
1038 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
1039
1040         PR target/39162
1041         * config/i386/i386.c (type_natural_mode): Add a new argument.
1042         Return the original mode and warn ABI change if vector size is 32byte.
1043         (function_arg_advance): Updated.
1044         (function_arg): Likewise.
1045         (ix86_function_value): Likewise.
1046         (ix86_return_in_memory): Likewise.
1047         (ix86_sol10_return_in_memory): Likewise.
1048         (ix86_gimplify_va_arg): Likewise.
1049         (function_arg_32): Don't warn ABX ABI change here.
1050         (function_arg_64): Likewise.
1051
1052 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
1053
1054         * loop-iv.c (implies_p): In the final case, test that operands 0
1055         of the two comparisons match.
1056
1057         * config/bfin/bfin.c (find_prev_insn_start): New function.
1058         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
1059         (find_next_insn_start): Move.
1060
1061 2009-02-13  Richard Guenther  <rguenther@suse.de>
1062
1063         * configure.ac: Enable LFS.
1064         * configure: Re-generate.
1065         * config.in: Likewise.
1066
1067 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
1068
1069         PR c/35444
1070         * c-parser.c (c_parser_parms_list_declarator): Discard pending
1071         sizes on syntax error after some arguments have been parsed.
1072
1073 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
1074
1075         * doc/invoke.texi (-fira): Remove.
1076
1077 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
1078
1079         * caller-save.c: Replace regclass.c with reginfo.c in comments.
1080         * recog.c: Likewise.
1081         * rtl.h: Likewise.
1082
1083 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
1084
1085         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
1086         (umul_ppmm): Likewise.
1087         (count_leading_zeros): Likewise.
1088         (count_trailing_zeros): Likewise.
1089         (UMUL_TIME): Likewise.
1090
1091 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
1092
1093         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
1094         soft-fp/t-softfp to tmake_file.
1095
1096         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
1097         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
1098         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
1099         IA64_BUILTIN_INFQ]: New.
1100         (ia64_init_builtins): Initialize __builtin_infq,
1101         __builtin_fabsq and __builtin_copysignq if not HPUX.
1102         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
1103         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
1104
1105         * config/ia64/lib1funcs.asm (__divtf3): Define only if
1106         SHARED is defined.
1107         (__fixtfti): Likewise.
1108         (__fixunstfti): Likewise.
1109         (__floattitf): Likewise.
1110
1111         * config/ia64/libgcc-glibc.ver: New.
1112         * config/ia64/t-fprules-softfp: Likewise.
1113         * config/ia64/sfp-machine.h: Likewise.
1114
1115         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
1116         (LIBGCC2_TF_CEXT): Likewise.
1117         (TF_SIZE): Likewise.
1118         (TARGET_INIT_LIBFUNCS): Likewise.
1119
1120         * config/ia64/t-glibc (SHLINB_MAPFILES):
1121         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
1122
1123 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
1124
1125         * config/i386/i386.c (construct_container): Rewrite processing
1126         BLKmode with X86_64_SSE_CLASS.
1127
1128 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
1129
1130         PR target/39152
1131         * config/i386/i386.md: Replace simplify_replace_rtx with
1132         replace_rtx in the new peephole2.
1133
1134 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
1135
1136         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
1137         loop unrolling do not happen at -O2.
1138
1139 2009-02-12  Michael Matz  <matz@suse.de>
1140
1141         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
1142
1143 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
1144
1145         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
1146         for -g3.
1147
1148 2009-02-12  Ben Elliston  <bje@au.ibm.com>
1149
1150         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
1151         patterns when updating the back chain.  Missed in the 2009-02-10
1152         change.
1153
1154 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
1155
1156         * doc/extend.texi (Decimal Floating Types): Update identifier of
1157         draft TR and list of missing support.
1158
1159 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
1160
1161         PR middle-end/39154
1162         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
1163         bit to variable length decl's flags, add it also to its
1164         pointer replacement variable.
1165
1166 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
1167             Jakub Jelinek  <jakub@redhat.com>
1168
1169         PR target/39118
1170         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
1171         (memory_blockage): New expander.
1172         (*memory_blockage): New insn pattern.
1173         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
1174         instead of general blockage at the end of function prologue when
1175         frame pointer is used to access red zone area.  Do not emit blockage
1176         when profiling, it is emitted in generic code.
1177         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
1178         function epilogue when frame pointer is used to access red zone area.
1179
1180 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
1181
1182         PR target/38824
1183         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
1184         by arithmetic with memory operands.
1185         * config/i386/predicates.md (commutative_operator): New.
1186
1187 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
1188
1189         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
1190         bulleted lists.
1191
1192 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
1193
1194         * alias.h (record_alias_subset): Declare.
1195         * alias.c (record_alias_subset): Make global.
1196
1197 2009-02-10  Nick Clifton  <nickc@redhat.com>
1198
1199         * tree-parloops.c: Change license to GPLv3.
1200         * ipa-struct-reorg.c: Change license to GPLv3.
1201         * ipa-struct-reorg.h: Change license to GPLv3.
1202
1203 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
1204
1205         PR c/39084
1206         * c-decl.c (start_struct): Return NULL on error.
1207
1208 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
1209
1210         PR middle-end/39124
1211         * cfgloopmanip.c (remove_path): Call remove_bbs after
1212         cancel_loop_tree, not before it.
1213
1214         PR target/39139
1215         * function.h (struct function): Add has_local_explicit_reg_vars bit.
1216         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
1217         VAR_DECLs were seen.
1218         * tree-ssa-live.c (remove_unused_locals): Recompute
1219         cfun->has_local_explicit_reg_vars.
1220         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
1221         copies or clearings if cfun->has_local_explicit_reg_vars.
1222
1223 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
1224
1225         PR target/39118
1226         * config/i386/i386.c (expand_prologue): Emit blockage at the end
1227         of function prologue when frame pointer is used to access
1228         red zone area.
1229
1230 2009-02-10  Richard Guenther  <rguenther@suse.de>
1231
1232         PR middle-end/39127
1233         * gimplify.c (gimple_regimplify_operands): Always look if
1234         we need to create a temporary.
1235
1236 2009-02-10  Richard Guenther  <rguenther@suse.de>
1237
1238         PR tree-optimization/39132
1239         * tree-loop-distribution.c (todo): New global var.
1240         (generate_memset_zero): Trigger TODO_rebuild_alias.
1241         (tree_loop_distribution): Return todo.
1242
1243 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
1244
1245         PR target/39119
1246         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
1247         (x86_64_reg_class_name): Removed.
1248         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
1249         first one isn't X86_64_SSE_CLASS or any other ones aren't
1250         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
1251         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
1252         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
1253         and 3 X86_64_SSEUP_CLASS.
1254         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
1255         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
1256
1257 2009-02-10  Ben Elliston  <bje@au.ibm.com>
1258
1259         * config/rs6000/rs6000.md (allocate_stack): Always use an update
1260         form instruction to update the stack back chain word, even if the
1261         user has disabled the generation of update instructions.
1262         (movdi_<mode>_update_stack): New.
1263         (movsi_update_stack): Likewise.
1264         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
1265         always use an update form instruction to update the stack back
1266         chain word.
1267
1268 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
1269
1270         PR middle-end/38953
1271         * graphite.c (if_region_set_false_region): After moving a region in
1272         the false branch of a condition, remove the empty dummy basic block.
1273         (gloog): Remove wrong fix for PR38953.
1274
1275 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1276
1277         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
1278         generation due to implicit sign extension.
1279
1280 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
1281
1282         PR middle-end/38981
1283         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
1284         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
1285
1286 2009-02-09  Richard Guenther  <rguenther@suse.de>
1287
1288         PR middle-end/35202
1289         * convert.c (convert_to_real): Disable (float)fn((double)x)
1290         to fnf(x) conversion if errno differences may occur and
1291         -fmath-errno is set.
1292
1293 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
1294
1295         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
1296         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1297         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1298
1299 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
1300
1301         PR c/35434
1302         * c-common.c (handle_alias_attribute): Disallow attribute for
1303         anything not a FUNCTION_DECL or VAR_DECL.
1304
1305 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
1306
1307         PR c/39035
1308         * real.c (do_compare): Special-case compare of zero against
1309         decimal float value.
1310
1311 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
1312
1313         PR c/36432
1314         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
1315         as indicating flexible array members unless the field itself is
1316         being declarared as the incomplete array.
1317
1318 2009-02-06  Jan Hubicka  <jh@suse.cz>
1319
1320         PR tree-optimization/38844
1321         * ipa-inline.c (try_inline): Stop inlining recursion when edge
1322         is already inlined.
1323
1324 2009-02-06  Richard Guenther  <rguenther@suse.de>
1325
1326         PR middle-end/38977
1327         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
1328         fork because we may expand it as __gcov_fork.
1329
1330 2009-02-06  Nick Clifton  <nickc@redhat.com>
1331
1332         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
1333
1334 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
1335
1336         PR tree-optimization/35659
1337         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
1338         vn_phi_eq): Shortcut if hashcode does not match.
1339         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
1340         NULL operands.
1341         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
1342         and avoid iterative_hash_expr.
1343         (FOR_EACH_VALUE_ID_IN_SET): New.
1344         (value_id_compare): Remove.
1345         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
1346         sort expressions by value id.
1347
1348 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
1349
1350         PR target/38991
1351         * config/sh/predicates.md (general_movsrc_operand): Don't check
1352         the subreg of system registers here.
1353
1354 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
1355
1356         PR c++/39106
1357         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
1358         on the copied decl.
1359
1360 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
1361
1362         PR rtl-optimization/39110
1363         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
1364         addresses, not aligned ones.
1365
1366 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
1367             Richard Guenther  <rguenther@suse.de>
1368
1369         PR tree-optimization/39100
1370         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
1371         comment says and add edges.
1372
1373 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
1374
1375         PR c/35435
1376         * c-common.c (handle_tls_model_attribute): Ignore attribute for
1377         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
1378
1379 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>
1380
1381         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
1382         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
1383         register_bb_in_sese, new_sese, free_sese): Moved.
1384         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
1385         outermost_loop_in_scop, build_scop_iteration_domain,
1386         expand_scalar_variables_ssa_name, get_vdef_before_scop,
1387         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
1388         Use loop_in_sese_p instead of loop_in_scop_p.
1389         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
1390         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
1391         (scopdet_basic_block_info): Fix bug in scop detection.
1392         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
1393         eq_loop_to_cloog_loop): Remove.
1394         (nb_loops_around_loop_in_scop, nb_loop
1395         ref_nb_loops): Moved here...
1396         * graphite.h (ref_nb_loops): ... from here.
1397         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
1398         (loop_domain_dim, loop_iteration_vector_dim): Remove.
1399         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
1400         * testsuite/gcc.dg/graphite/scop-19.c: New
1401
1402 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
1403             Hans-Peter Nilsson  <hp@axis.com>
1404
1405         PR rtl-optimization/37889
1406         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
1407         Move offset handling from PLUS to before the switch.  Use new
1408         arguments when considering SYMBOL_REFs too.
1409         (rtx_addr_can_trap_p): Pass dummy offset and size.
1410         (enum may_trap_p_flags): Remove.
1411         (may_trap_p_1): Pass size from MEM_SIZE.
1412
1413         PR rtl-optimization/38921
1414         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
1415         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
1416         * rtlanal.c (may_trap_after_code_motion_p): Delete.
1417         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
1418
1419 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
1420
1421         AVX Programming Reference (January, 2009)
1422         * config/i386/sse.md (*vpclmulqdq): New.
1423
1424 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
1425
1426         PR tree-optimization/38977
1427         PR gcov-profile/38292
1428         * calls.c (special_function_p): Disregard __builtin_ prefix.
1429
1430 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
1431
1432         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
1433         non-indexable addresses even before reload.
1434
1435 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
1436
1437         PR c/29129
1438         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
1439         as having variable size.  Do not give an error for unnamed
1440         parameters with [*] declarators.  Give a warning for type names
1441         with [*] declarators and mark them as variable size.
1442         * c-parser.c (c_parser_sizeof_expression): Do not give an error
1443         for sizeof applied to [*] type names.
1444
1445 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1446
1447         PR C++/36607
1448         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
1449
1450 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
1451
1452         * gcc.c (process_command): Update copyright notice dates.
1453         * gcov.c (print_version): Likewise.
1454         * gcov-dump.c (print_version): Likewise.
1455         * mips-tfile.c (main): Likewise.
1456         * mips-tdump.c (main): Likewise.
1457
1458 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
1459
1460         PR c/35433
1461         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
1462         for composite type involving a zero-length array type.
1463
1464 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
1465
1466         PR target/35318
1467         * function.c (match_asm_constraints_1): Skip over
1468         initial optional % in the constraint.
1469
1470         PR inline-asm/39059
1471         * c-parser.c (c_parser_postfix_expression): If fixed point is not
1472         supported, don't accept FIXED_CSTs.
1473         * c-decl.c (finish_declspecs): Error if fixed point is not supported
1474         and _Sat is used without _Fract/_Accum.  Set specs->type to
1475         integer_type_node for cts_fract/cts_accum if fixed point is not
1476         supported.
1477
1478 2009-02-02  Catherine Moore  <clm@codesourcery.com>
1479
1480         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
1481
1482 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
1483
1484         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
1485         (ABI_HAS_64BIT_SYMBOLS): Use it.
1486         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
1487
1488 2009-02-02  Paul Brook  <paul@codesourcery.com>
1489
1490         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
1491
1492 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
1493
1494         PR inline-asm/39058
1495         * recog.h (asm_operand_ok): Add constraints argument.
1496         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
1497         recurse on matching constraint.
1498         (check_asm_operands): Pass constraints as 3rd argument to
1499         asm_operand_ok.  Don't look up matching constraint here.
1500         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1501         to asm_operand_ok.
1502
1503 2009-02-02  Ben Elliston  <bje@au.ibm.com>
1504
1505         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1506         TARGET_NARROW_VOLATILE_BITFIELD macro names.
1507
1508 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1509
1510         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1511         information.  Remove some obsolete information.  Reorganize.
1512
1513         * config/pa/fptr.c: Revert license to GPL 2.
1514         * config/pa/milli64.S: Likewise.
1515
1516 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
1517
1518         PR target/38904
1519         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
1520         LIBRARY name in, instead of hard-coding it.
1521         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
1522         extra target make frag to tmake_files according to EH model.
1523         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
1524         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
1525         frags that define makefile variable EH_MODEL appropriately.
1526         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
1527         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
1528         to "-sjlj" according to type of EH configured.
1529         (LIBGCC_SONAME):  Concatenate it to shared library base name.
1530         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
1531         to "_sjlj" according to type of EH configured.
1532         (LIBGCC_SONAME):  Concatenate it to shared library base name.
1533         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
1534         (SHLIB_LINK):  Add missing semicolon to if-else construct.
1535         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
1536         string value of "pe_dll" command-line option.
1537         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
1538         (SHLIB_SONAME):  Use it when overriding t-cygming default.
1539         (SHLIB_IMPLIB):  Override t-cygming default.
1540         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
1541         string value of "pe_dll" command-line option.
1542
1543 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
1544
1545         PR target/38952
1546         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1547         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1548
1549 2009-01-31  Richard Guenther  <rguenther@suse.de>
1550
1551         PR tree-optimization/38937
1552         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1553         computing the transitive closure.
1554
1555 2009-01-30  Richard Guenther  <rguenther@suse.de>
1556
1557         PR tree-optimization/39041
1558         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1559         Propagate variable indices only if the types match for this stmt.
1560
1561 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
1562
1563         PR target/39013
1564         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1565         inline but never defined.
1566
1567 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
1568
1569         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1570         (*insv_h_di_reg_extimm): New insn.
1571         (*insv_l<mode>_reg_extimm): New insn.
1572
1573 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
1574
1575         * config/picochip/picochip.c (flag_conserve_stack): set
1576         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1577         fconserve-stack. Reduce call-overhead used by inliner.
1578
1579 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
1580
1581         PR/38157
1582         * common.opt (flag_conserve_stack): Initialised to zero.
1583
1584 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
1585
1586         PR/39002
1587         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1588         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1589         method.
1590
1591 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
1592
1593         * ira-color.c (allocno_reload_assign): Update comments.
1594         * regmove.c (regmove_optimize): Likewise.
1595
1596         * ra.h: Removed.
1597
1598 2009-01-29  Robert Millan  <rmh@aybabtu.com>
1599
1600         * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1601         * gcc/config/i386/kopensolaris-gnu.h: New file.  Undefine
1602         `MD_UNWIND_SUPPORT'.
1603         * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1604
1605 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
1606
1607         PR tree-optimization/39007
1608         * tree-loop-distribution.c (generate_builtin): Use
1609         recompute_dominator to compute the immediate dominator of the
1610         basic block just after the loop.
1611
1612 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1613
1614         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1615         (ASM_OUTPUT_DWARF_PCREL): Define.
1616
1617 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
1618
1619         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1620         * doc/passes.texi: Remove entries about regclass, local-alloc, and
1621         global.  Modify entries about regmove and IRA.
1622
1623         * ra-conflict.c: Remove the file.
1624
1625         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1626
1627         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1628         (pass_regclass_init): Rename to pass_reginfo_init.
1629
1630         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1631
1632         * toplev.h (flag_ira): Remove.
1633
1634         * caller-save.c (setup_save_areas): Remove flag_ira.
1635
1636         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1637
1638         * global.c: Remove the file.
1639
1640         * opts.c: (decode_options): Remove flag_ira.
1641
1642         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1643
1644         * regmove.c: Modify file description.
1645         (find_use_as_address, try_auto_increment): Define them only if
1646         AUTO_INC_DEC is defined.
1647         (replacement_quality, replace_in_call_usage, fixup_match_1,
1648         stable_and_no_regs_but_for_p): Remove.
1649         (reg_set_in_bb): Make it static.
1650         (regmove_optimize): Remove flag_ira and code which worked for
1651         !flag_ira.
1652
1653         * local-alloc.c: Remove the file.
1654
1655         * common.opt (fira): Remove.
1656
1657         * ira.c: Include except.h.
1658         (eliminable_regset): Move from global.c.
1659         (mark_elimination): Ditto.  Remove flag_ira.
1660         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1661         equiv_mem_modified, validate_equiv_mem_from_store,
1662         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1663         contains_replace_regs, memref_referenced_p, memref_used_between_p,
1664         no_equiv, recorded_label_ref): Move from local-alloc.c.
1665         (update_equiv_regs): Ditto.  Make it static.
1666         (print_insn_chain, print_insn_chains): Move it from global.c.
1667         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
1668         (build_insn_chain): Ditto.  Make it static.
1669         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
1670         Rename to init_live_subregs.
1671         (gate_ira): Remove flag_ira.
1672
1673         * regclass.c: Rename reginfo.c.  Change file description.
1674         (FORBIDDEN_INC_DEC_CLASSES): Remove.
1675         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1676         (init_reg_sets_1): Remove code for evaluation of
1677         reg_class_superclasses and losing_caller_save_reg_set.
1678         (init_regs): Remove init_reg_autoinc.
1679         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1680         ok_for_base_p_nonstrict): Remove.
1681         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
1682         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
1683         corresponding entries.
1684         (dump_regclass, record_operand_costs, scan_one_insn,
1685         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1686         record_address_regs, auto_inc_dec_reg_p): Remove.
1687         (gt-regclass.h): Rename to gt-reginfo.h.
1688
1689         * rtl.h (dump_global_regs, retry_global_alloc,
1690         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1691
1692         * Makefile.in (RA_H): Remove.
1693         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1694         Rename regclass.o to reginfo.o.
1695         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
1696         gt-reginfo.h.
1697         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1698         (GTFILES): Rename regclass.c to reginfo.c.
1699
1700         * passes.c (init_optimization_passes): Remove pass_local_alloc and
1701         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
1702
1703         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1704         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1705         Remove flag_ira.
1706         (finish_spills): Ditto.  Remove code for !flag_ira.
1707
1708 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
1709
1710         PR middle-end/35854
1711         * doc/invoke.texi (rtl debug options): Complete rewrite.
1712         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1713         to auto_inc_dec".
1714         * mode-switching.c (pass_mode_switching): Rename pass from
1715         "mode-sw" to "mode_sw".
1716         * except.c (pass_convert_to_eh_ranges): Rename pass from
1717         "eh-ranges" to "eh_ranges".
1718         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1719         to "subreg1".
1720
1721
1722 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
1723             Alexander Monakov  <amonakov@ispras.ru>
1724
1725         PR middle-end/38857
1726         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1727         register.
1728         (move_exprs_to_boundary): Change return type and pass through
1729         should_move from move_op.  Relax assert.  Update usage ...
1730         (schedule_expr_on_boundary): ... here.  Use should_move instead of
1731         cant_move.
1732         (move_op_orig_expr_found): Indicate that insn was disconnected from
1733         stream.
1734         (code_motion_process_successors): Do not call after_merge_succs
1735         callback if original expression was not found when traversing any of
1736         the branches.
1737         (code_motion_path_driver): Change return type.  Update prototype.
1738         (move_op): Update comment.  Add a new parameter (should_move).  Update
1739         prototype.  Set *should_move based on indication provided by
1740         move_op_orig_expr_found.
1741
1742 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
1743
1744         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1745         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1746         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1747         * config/rs6000/rs6000.c (rs6000_override_options): Default
1748         avoid-indexed-addresses on for Power6, off for everything else.
1749         (avoiding_indexed_address_p): New function.
1750         (rs6000_legitimize_address): Use it.
1751         (rs6000_legitimate_address): Likewise.
1752         * config/rs6000/rs6000.md (movXX_updateX): Likewise
1753
1754 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
1755
1756         PR tree-optimization/38997
1757         * tree-loop-distribution.c (generate_memset_zero): Use
1758         POINTER_PLUS_EXPR for a pointer addition.
1759
1760 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
1761
1762         * config/s390/s390.md (bswap<mode>2): New pattern added.
1763
1764 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
1765
1766         * config/s390/s390.md (*tls_load_31): Added type attribute.
1767
1768 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
1769
1770         * config/s390/s390.md: Fix a few comments.
1771
1772 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
1773
1774         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1775         (*tm<mode>_full): Fixed z10prop attribute.
1776         (*tst<mode>_extimm): Fixed z10prop attribute.
1777         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1778         (*tstqiCCT_cconly): Fixed z10prop attribute.
1779         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1780         (*movsi_larl): Fixed z10prop attribute.
1781         (*movsi_zarch): Fixed z10prop attribute.
1782         (*movsi_eas): Fixed z10prop attribute.
1783         (*movhi): Fixed z10prop attribute.
1784         (*movqi): Fixed z10prop attribute.
1785         (*movstrictqi): Fixed z10prop attribute.
1786         (*mov<mode>): Fixed z10prop attribute.
1787         (*movcc): Fixed z10prop attribute.
1788         (*sethighpartdi_64): Fixed z10prop attribute.
1789         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1790         (*negdi2_sign_cc): Fixed z10prop attribute.
1791         (*negdi2_sign): Fixed z10prop attribute.
1792         (*absdi2_sign_cc): Fixed z10prop attribute.
1793         (*absdi2_sign): Fixed z10prop attribute.
1794         (*negabsdi2_sign_cc): Fixed z10prop attribute.
1795         (*negabsdi2_sign): Fixed z10prop attribute.
1796         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1797         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1798         (doloop_si64): Fixed z10prop attribute.
1799         (doloop_si31): Fixed z10prop attribute.
1800         (doloop_long): Fixed z10prop attribute.
1801         (indirect_jump): Fixed z10prop attribute.
1802         (nop): Fixed z10prop attribute.
1803         (main_base_64): Fixed z10prop attribute.
1804         (reload_base_64): Fixed z10prop attribute.
1805
1806 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
1807
1808         PR rtl-optimization/38740
1809         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1810         if !optimize.
1811         * config/mips/mips.c (mips_reorg): Likewise.
1812
1813 2009-01-28  Richard Guenther  <rguenther@suse.de>
1814
1815         PR tree-optimization/38926
1816         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1817         with the correct value id to a value.
1818         (do_regular_insertion): Use the value number of edoubleprime
1819         for the value number of the expr.
1820
1821         Revert
1822         2008-08-21  Richard Guenther  <rguenther@suse.de>
1823
1824         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1825         a PHI ask VN if it is already available.
1826         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1827         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1828
1829 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
1830
1831         PR middle-end/38934
1832         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1833         set to varying whenever max has TREE_OVERFLOW set, similarly
1834         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1835
1836 2009-01-28  Richard Guenther  <rguenther@suse.de>
1837
1838         PR middle-end/38908
1839         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1840         uninitialized aggregate uses in call arguments.
1841
1842 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
1843
1844         PR tree-optimization/38984
1845         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1846         the nothing_id variable if -fno-delete-null-pointer-checks.
1847
1848 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
1849
1850         PR target/38988
1851         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1852         (set_got_offset_rex64): Ditto.
1853
1854 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1855
1856         PR target/38941
1857         * doc/extend.texi: Improve local variable with asm reg.
1858
1859 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
1860
1861         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1862         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1863         was not supplied then set warn_packed_bitfield_compat to the
1864         default value of 1.
1865         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1866         against 1.
1867
1868 2009-01-27  Richard Guenther  <rguenther@suse.de>
1869
1870         PR tree-optimization/38503
1871         * cfgexpand.c (expand_gimple_basic_block): Ignore
1872         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1873         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1874         variables that cannot have TBAA applied.
1875         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1876         statements.
1877
1878 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
1879
1880         PR middle-end/38969
1881         * calls.c (initialize_argument_information): Do not wrap complex
1882         arguments in SAVE_EXPR.
1883
1884 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
1885
1886         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1887         (INSTALL_LIBGCC): Revert typo commit.
1888
1889 2009-01-26  Richard Guenther  <rguenther@suse.de>
1890
1891         PR tree-optimization/38745
1892         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1893         from special handling.
1894
1895 2009-01-26  Richard Guenther  <rguenther@suse.de>
1896
1897         PR tree-optimization/38745
1898         * tree-ssa.c (execute_update_addresses_taken): Do not include
1899         variables that cannot possibly be a register in not_reg_needs.
1900         Do not clear TREE_ADDRESSABLE on vars that may not become
1901         registers.
1902         * tree-ssa.c (update_alias_info_1): Include those in the set
1903         of addressable vars.
1904
1905 2009-01-26  Richard Guenther  <rguenther@suse.de>
1906
1907         PR middle-end/38851
1908         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1909         * tree-ssa-dse.c: Include langhooks.h
1910         (execute_simple_dse): Remove stores with zero size.
1911
1912 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
1913
1914         PR c/38957
1915         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1916         as PLUS_EXPR.
1917
1918 2009-01-24  Julian Brown  <julian@codesourcery.com>
1919
1920         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1921         config/arm/linux-atomic.c.
1922         * config/arm/linux-atomic.c: New.
1923
1924 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
1925
1926         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1927         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1928         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1929
1930 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
1931
1932         PR c/38938
1933         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1934         properly.
1935
1936 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
1937
1938         PR tree-optimization/38953
1939         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1940         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1941         (gloog): Split the exit of the scop when the scop exit is a loop exit.
1942         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1943         changed the CFG.
1944
1945 2009-01-24  Paul Brook  <paul@codesourcery.com>
1946
1947         * config/arm/neon.md (neon_type): Move to arm.md.
1948         (neon_mov<VSTRUCT>): Add neon_type attribute.
1949         * config/arm/arm.md (neon_type): Move to here.
1950         (conds): Add "unconditioal" and use as default for NEON insns.
1951
1952 2009-01-24  Ben Elliston  <bje@au.ibm.com>
1953
1954         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1955         void *' warning from -Wc++-compat.
1956         * Makefile.in (dominance.o-warn): Remove.
1957
1958 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
1959
1960         PR tree-optimization/38932
1961         * fold-const.c (fold_unary_ignore_overflow): New.
1962         * tree.h (fold_unary_ignore_overflow): Declare.
1963         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1964         * tree-ssa-sccvn.c (visit_reference_op_load,
1965         simplify_unary_expression): Likewise.
1966
1967 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
1968
1969         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1970         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
1971         regardless of their type.
1972         * c-common.c (handle_packed_attribute): Don't ignore packed on
1973         bitfields.
1974         * c.opt (Wpacked-bitfield-compat): New warning option.
1975         * stor-layout.c (place_field): Warn if offset of a field changed.
1976         * doc/extend.texi (packed): Mention the ABI change.
1977         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
1978         (Warning Options): Add it to the list.
1979
1980 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
1981
1982         * c-opts.c (c_common_post_options): Fix a typo in comments.
1983
1984 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
1985
1986         PR middle-end/38615
1987         * gimplify.c (gimplify_init_constructor): Fix promotion of const
1988         variables to static.
1989         * doc/invoke.texi (-fmerge-all-constants): Update description.
1990
1991 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
1992
1993         PR target/38931
1994         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
1995         (*movdi_1_rex64): Use type "mmx" for alternative 5.
1996
1997 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
1998
1999         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
2000         a word boundary.
2001         (LOCAL_ALIGNMENT): Similarly.
2002
2003 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
2004             Joseph Myers  <joseph@codesourcery.com>
2005
2006         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
2007         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
2008         * config/arm/arm-tune.md: Regenerate.
2009         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
2010         -march=iwmmxt2.
2011
2012 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
2013
2014         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
2015         version number to five.
2016
2017 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
2018
2019         PR c++/38930
2020         * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
2021         * c-common.c (set_underlying_type): Likewise.
2022         (is_typedef_decl ): Likewise
2023         * tree.h: Likewise
2024         (set_underlying_type): Likewise.
2025         (is_typedef_type): Likewise.
2026
2027 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
2028
2029         PR middle-end/38587
2030         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
2031         crossing setjmps.
2032
2033 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
2034
2035         PR bootstrap/37660
2036         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
2037         (LIBGCC_SPEC):  Don't define.
2038         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
2039
2040 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
2041
2042         PR rtl-optimization/38879
2043         * alias.c (base_alias_check): Unaligned access via AND address can
2044         alias all surrounding object types except those with sizes equal
2045         or wider than the size of unaligned access.
2046
2047 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
2048
2049         PR c++/26693
2050         * c-decl.c: (clone_underlying_type): Move this ...
2051         * c-common.c (set_underlying_type): ... here.
2052         Also, make sure the function properly sets TYPE_STUB_DECL() on
2053         the newly created typedef variant type.
2054         (is_typedef_decl ): New entry point.
2055         * tree.h: Added a new member member_types_needing_access_check to
2056         struct tree_decl_non_common.
2057         (set_underlying_type): New entry point.
2058         (is_typedef_type): Likewise.
2059
2060 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
2061
2062         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
2063         Check whether two instructions have memory references that
2064         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
2065         are helper functions for traversing.
2066         * alias.h (insn_alias_sets_confilict_p): New prototypes.
2067         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
2068         not to draw dependency edge for instructions with non-conflicting
2069         alias sets.
2070
2071 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
2072
2073         PR other/38758
2074         * longlong.h: Update copyright years.  Use soft-fp license notice.
2075         Sync __clz_tab declaration with glibc.
2076
2077 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
2078
2079         PR target/30687
2080         * doc/extend.texi (syscall_linkage): New.
2081         (version_id): Modify.
2082
2083 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2084             Richard Guenther  <rguenther@suse.de>
2085
2086         PR tree-optimization/38747
2087         PR tree-optimization/38748
2088         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
2089         conversion if the base address is an indirect reference and the
2090         aliasing sets could cause issues.
2091
2092 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2093
2094         * common.opt (fgraphite, fgraphite-identity): Add comment for
2095         explaining why these options are not documented.
2096
2097 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2098
2099         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
2100         gimple_call_lhs is NULL.
2101
2102 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
2103
2104         PR target/38868
2105         * emit-rtl.c (adjust_address_1): Make sure memref is never
2106         overwritten.
2107
2108 2009-01-20  Ben Elliston  <bje@au.ibm.com>
2109
2110         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2111         const qualifier from arg parameter. Remove unnecessary cast to char *.
2112         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2113         const qualifier from arg 2.
2114
2115 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
2116
2117         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
2118
2119 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
2120
2121         PR c/38869
2122         * rtl.h (reinit_regs): New prototype.
2123         * regclass.c: Include ira.h.
2124         (reinit_regs): New.
2125         * Makefile.in (regclass.o): Add ira.h.
2126         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
2127
2128 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
2129
2130         PR target/38736
2131         * c-common.c (handle_aligned_attribute): Use
2132         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
2133         default alignment value.
2134
2135         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
2136
2137         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
2138         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
2139
2140         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
2141         __BIGGEST_ALIGNMENT__.
2142
2143         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
2144
2145 2009-01-18  Richard Guenther  <rguenther@suse.de>
2146
2147         PR tree-optimization/38819
2148         * tree-flow.h (operation_could_trap_helper_p): Declare.
2149         * tree-eh.c (operation_could_trap_helper_p): Export.
2150         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
2151         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
2152         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
2153         are about to insert a possibly trapping instruction and fail
2154         in this case.
2155
2156 2009-01-18  Andreas Schwab  <schwab@suse.de>
2157
2158         * doc/install.texi (Configuration): Remove obsolete paragraph
2159         about use of --with-gnu-ld with --with-gnu-as.
2160
2161 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
2162
2163         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
2164         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
2165         Follow spelling conventions.
2166
2167 2009-01-18  Ben Elliston  <bje@au.ibm.com>
2168
2169         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
2170         C++ warning about implicit conversion from void * to struct
2171         bitmap_head_def *.
2172         (bitmap_obstack_free): Likewise for bitmap_element *.
2173         * Makefile.in (bitmap.o-warn): Remove.
2174
2175 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
2176
2177         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
2178
2179 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
2180             Tobias Grosser  <tobi.grosser@amd.com>
2181
2182         * graphite.c (graphite_trans_scop_block): Do not block single
2183         nested loops.
2184
2185 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
2186
2187         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
2188         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
2189         test with assertion.
2190
2191 2009-01-16  Richard Guenther  <rguenther@suse.de>
2192
2193         PR tree-optimization/38835
2194         PR middle-end/36227
2195         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
2196         and INT + PTR -> (INT)(PTR p+ INT) folding.
2197         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
2198
2199 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
2200
2201         PR target/38554
2202         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
2203         the subreg from a lowpart subreg if it is also casting the value.
2204
2205 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2206             Tobias Grosser  <tobi.grosser@amd.com>
2207
2208         * graphite.c (compare_prefix_loops): New.
2209         (build_scop_canonical_schedules): Rewritten.
2210         (graphite_transform_loops): Move build_scop_canonical_schedules
2211         after build_scop_iteration_domain.
2212
2213 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2214             Tobias Grosser  <tobi.grosser@amd.com>
2215
2216         * graphite.c (add_conditions_to_domain): Add the loops to
2217         the dimension of the iteration domain.  Do copy the domain
2218         only when it exists.
2219         (build_scop_conditions_1): Do not call add_conditions_to_domain.
2220         (add_conditions_to_constraints): New.
2221         (can_generate_code_stmt, can_generate_code): Removed.
2222         (gloog): Do not call can_generate_code.
2223         (graphite_transform_loops): Call add_conditions_to_constraints
2224         after building the iteration domain.
2225
2226 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
2227
2228         PR tree-optimization/38789
2229         * tree-ssa-threadedge.c
2230         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
2231         __builtin_constant_p.
2232
2233 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
2234
2235         * dce.c (delete_unmarked_insns): Reversed the order that insns are
2236         examined before deleting them.
2237
2238 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
2239
2240         * function.c (aggregate_value_p): Correctly extract the function
2241         type from CALL_EXPR_FN lookup.
2242
2243 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
2244
2245         * config/picochip/picochip.c (picochip_override_options): Revert
2246         CFI asm flag disable commited previously.
2247
2248 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
2249             Tobias Grosser  <tobi.grosser@amd.com>
2250             Jan Sjodin  <jan.sjodin@amd.com>
2251
2252         * graphite.c (scan_tree_for_params): On substractions negate
2253         all the coefficients of the term.
2254         (clast_to_gcc_expression_red): New.  Handle reduction expressions
2255         of more than two operands.
2256         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2257         (get_vdef_before_scop): Handle also the case of default definitions.
2258
2259 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
2260
2261         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
2262         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
2263         Also use them when walking CALL_INSN_FUNCTION_USAGE.
2264
2265 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
2266             Joey Ye  <joey.ye@intel.com>
2267
2268         PR middle-end/37843
2269         * cfgexpand.c (expand_stack_alignment): Don't update stack
2270         boundary nor check incoming stack boundary here.
2271         (gimple_expand_cfg): Update stack boundary and check incoming
2272         stack boundary here.
2273
2274 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
2275
2276         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
2277
2278 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
2279
2280         PR rtl-optimization/38245
2281         * calls.c (expand_call): Add stack arguments to
2282         CALL_INSN_FUNCTION_USAGE even for pure calls (when
2283         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
2284         in regs and partially in memory or BLKmode arguments.
2285         (emit_library_call_value_1): Add stack arguments to
2286         CALL_INSN_FUNCTION_USAGE even for pure calls (when
2287         ACCUMULATE_OUTGOING_ARGS).
2288         * dce.c: Include tm_p.h.
2289         (find_call_stack_args): New function.
2290         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
2291         argument.
2292         (mark_insn): Call find_call_stack_args for CALL_Ps.
2293         (prescan_insns_for_dce): Walk insns backwards in bb rather than
2294         forwards.  Allocate and free arg_stores bitmap if needed, pass it
2295         down to deletable_insn_p, don't mark stores set in arg_stores
2296         bitmap, clear the bitmap at the beginning of each bb.
2297         * Makefile.in (dce.o): Depend on $(TM_P_H).
2298
2299 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
2300
2301         PR target/22599
2302         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
2303         to make sure the insn is a conditional test (bug 22599).  Reformat a
2304         few long lines.
2305
2306 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
2307
2308         PR middle-end/38431
2309         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2310         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2311         (gloog): Do not call cleanup_tree_cfg.
2312         (graphite_transform_loops): Call cleanup_tree_cfg after all
2313         scops have been code generated.
2314
2315 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
2316         * doc/gty.texi (Invoking the garbage collector): Added new node
2317         and section documenting ggc_collect.
2318
2319 2009-01-14  Richard Guenther  <rguenther@suse.de>
2320
2321         PR tree-optimization/38826
2322         PR middle-end/38477
2323         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
2324         initialization notes only if we actually emitted a warning.
2325         (intra_create_variable_infos): Add constraints for a result decl
2326         that is passed by hidden reference.
2327         (build_pred_graph): Mark all related variables non-direct on
2328         address-taking.
2329
2330 2009-01-14  Nick Clifton  <nickc@redhat.com>
2331
2332         * ira-conflicts.c: Include addresses.h for the definition of
2333         base_reg_class.
2334         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
2335         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
2336
2337 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
2338
2339         PR target/38811
2340         * Makefile.in (ira-lives.o): Add except.h.
2341
2342         * ira-lives.c: Include except.h.
2343         (process_bb_node_lives): Process can_throw_internal.
2344
2345 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
2346
2347         PR rtl-optimization/38774
2348         * combine.c (simplify_set): When undoing cc_use change, don't do
2349         PUT_CODE on the newly created comparison, but instead put back the
2350         old comparison.
2351
2352 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
2353
2354         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
2355         values.  Remove duplicate arm8 entry.
2356
2357 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
2358
2359         PR tree-optimization/38786
2360         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2361         the SSA_NAME case of expand_scalar_variables_expr.
2362         Set the type of an expression to the type of its assign statement.
2363         (expand_scalar_variables_expr): Also gather the scalar computation
2364         used to index the memory access.  Do not pass loop_p.
2365         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
2366         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2367         the gimple_stmt_iterator where it inserts new code.
2368         Do not pass loop_p.
2369         (copy_bb_and_scalar_dependences): Do not pass loop_p.
2370         (translate_clast): Update call to copy_bb_and_scalar_dependences.
2371
2372 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
2373
2374         * graphite.h (debug_value): Removed.
2375         * graphite.c (debug_value): Removed.
2376
2377 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
2378
2379         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
2380         ldrd/strd with two 32-bit instructions.
2381
2382 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
2383
2384         * config/arm/arm.c (struct processors): Pass for speed down into
2385         cost helper functions.
2386         (const_ok_for_op): Handle COMPARE and inequality nodes.
2387         (arm_rtx_costs_1): Rewrite.
2388         (arm_size_rtx_costs): Update prototype.
2389         (arm_rtx_costs): Pass speed down to helper functions.
2390         (arm_slowmul_rtx_costs): Rework cost calculations.
2391         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
2392         (arm_9e_rtx_costs): Likewise.
2393
2394 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
2395
2396         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
2397         relocations of local symbols wider than UNITS_PER_WORD are not valid.
2398         (alpha_legitimize_address): Do not split local symbols wider than
2399         UNITS_PER_WORD into HIGH/LO_SUM parts.
2400
2401 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
2402
2403         PR bootstrap/38580
2404         * gcc.c (process_command): Replace call to execvp with calls
2405         to pex_one and exit.
2406
2407 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
2408
2409         PR target/29141
2410         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
2411         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
2412         variant for devices with 3-byte PC.
2413         (__tablejump_elpm__) : New.
2414
2415 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
2416
2417         PR c/32041
2418         * c-parser.c (c_parser_postfix_expression): Allow `->' in
2419         offsetof member-designator, handle it as `[0].'.
2420
2421 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2422
2423         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
2424         function when not using named sections on targets with named sections
2425         if branch distance is less than 262132.
2426
2427 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
2428
2429         * combine.c (combine_instructions):  Recompute
2430         optimize_this_for_speed_p  for each BB in the main combine loop.
2431
2432 2009-01-12  Tomas Bily  <tbily@suse.cz>
2433
2434         PR middlend/38385
2435         * tree-loop-distribution.c (prop_phis): New function.
2436         (generate_builtin): Call prop_phis.
2437         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
2438
2439 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
2440
2441         PR tree-optimization/38807
2442         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
2443         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
2444
2445 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
2446
2447         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
2448         subreg of op0 to the original op0.
2449
2450 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
2451
2452         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2453
2454 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
2455
2456         PR debug/7055
2457         * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
2458         starting with digits.
2459
2460 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
2461
2462         PR target/38695
2463         * config/arm/arm.c (arm_is_long_call_p): Don't call
2464         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2465
2466 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
2467
2468         * regrename.c (regrename_optimize): Fix dumping.
2469         (find_oldest_value_reg): Preserve REG_POINTER.
2470         (copy_hardreg_forward_1): Likewise.
2471
2472 2009-01-09  Diego Novillo  <dnovillo@google.com>
2473
2474         * gimple.h (struct gimple_statement_base) <uid>: Document
2475         the restrictions on its use.
2476         (gimple_uid): Tidy.
2477         (gimple_set_uid): Tidy.
2478
2479 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
2480
2481         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
2482         zero guard even if align_bytes != 0 and count is smaller than
2483         size_needed.
2484
2485 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
2486
2487         PR rtl-optimization/38495
2488         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
2489         (add_range_and_copies_from_move_list): Print all added ranges.
2490         Add ranges to memory optimized destination.
2491
2492 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
2493
2494         PR target/38686
2495         PR target/38708
2496         * config/i386/i386.c (override_options): Reject
2497         -mstringop-strategy=rep_8byte with -m32.
2498         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2499         to 1.  Do count comparison against epilogue_size_needed at compile
2500         time even when count_exp was constant forced into register.  For
2501         size_needed don't jump to epilogue, instead just avoid aligning
2502         and invoke the body algorithm.  If need_zero_guard, add zero guard
2503         even if count is non-zero, but smaller than size_needed + number of
2504         bytes that could be stored for alignment.
2505         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2506         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
2507         but smaller than size_needed + number of bytes that could be stored
2508         for alignment.  Compare size_needed with epilogue_size_needed instead
2509         of desired_align - align, don't adjust size_needed, pass
2510         epilogue_size_needed to the epilogue expanders.
2511
2512         PR c/35742
2513         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2514
2515 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2516
2517         * pa.c (last_address): Change to unsigned.
2518         (update_total_code_bytes): Change argument to unsigned.  Don't
2519         check if insn addresses are set.
2520         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2521         addresses are not set.
2522         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2523
2524 2009-01-09  Nick Clifton  <nickc@redhat.com>
2525
2526         * config/sh/symbian.c: Replace uses of DECL_INLINE with
2527         DECL_DECLARED_INLINE_P.
2528
2529 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
2530
2531         PR middle-end/38347
2532         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2533         GET_MODE (op0) in operand_subword_force calls.
2534
2535         PR middle-end/38771
2536         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2537         fold_convert arg0 operands to TREE_TYPE (op0) first.
2538
2539 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
2540
2541         * params.def (ira-max-conflict-table-size): Decrease default value
2542         to 1000.
2543
2544 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
2545
2546         PR tree-optimization/37031
2547         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2548         on parameter_set.
2549         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2550         allocate it using gc instead of heap, use VEC_quick_push instead of
2551         VEC_safe_push.
2552         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2553         instead of heap, use VEC_quick_push instead of VEC_safe_push.
2554         * tree-data-ref.h (struct access_matrix): Change matrix to gc
2555         allocated vector from heap allocated.
2556         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2557         * tree-loop-linear.c (linear_transform_loops): Allocate nest
2558         vector only after perfect_loop_nest_depth call.
2559
2560 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
2561             Jan Sjodin  <jan.sjodin@amd.com>
2562
2563         PR tree-optimization/38559
2564         * graphite.c (debug_value, copy_constraint,
2565         swap_constraint_variables, scale_constraint_variable, ): New.
2566         (get_lower_bound, get_upper_bound): Removed.
2567         (graphite_trans_bb_strip_mine): Clean up this code that works
2568         only for constant number of iterations.  Fully copy upper and
2569         lower bound constraints, not only the constant part of them.
2570         * graphite.h (debug_value): Declared.
2571
2572 2009-01-08  Ira Rosen  <irar@il.ibm.com>
2573
2574         PR tree-optimization/37194
2575         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2576         Don't add the cost of cost model guard in prologue to scalar
2577         outside cost in case of known number of iterations.
2578
2579 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
2580             Alan Modra  <amodra@bigpond.net.au>
2581
2582         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2583         non-word-aligned REG+CONST addressing.
2584
2585 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
2586
2587         PR target/38706
2588         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2589         free_after_compilation when outputting a thunk.
2590         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2591         Do not call free_after_compilation here.
2592
2593 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
2594
2595         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2596         (ix86_valid_target_attribute_inner_p): Ditto.
2597
2598 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
2599
2600         PR tree-optimization/38492
2601         PR tree-optimization/38498
2602         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2603         * tree-chrec.h (scev_is_linear_expression): Declared.
2604         * graphite.c (graphite_cannot_represent_loop_niter): New.
2605         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2606         (graphite_loop_normal_form): Use gcc_assert.
2607         (scan_tree_for_params): Use CASE_CONVERT.
2608         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2609         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2610         Use gcc_assert.  Discard scops that contain unhandled cases.
2611         (build_scop_conditions): Return a boolean status for unhandled cases.
2612         (strip_mine_profitable_p): Print the loop number, not its depth.
2613         (is_interchange_valid): Pass the depth of the loop nest, don't
2614         recompute it wrongly.
2615         (graphite_trans_bb_block): Same.
2616         (graphite_trans_bb_block): Print tentative of loop blocking.
2617         (graphite_trans_scop_block): Do not print that the loop has been
2618         blocked.
2619         (graphite_transform_loops): Do not handle scops that contain condition
2620         scalar phi nodes.
2621
2622 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
2623
2624         AVX Programming Reference (December, 2008)
2625         * config/i386/avxintrin.h (_mm256_stream_si256): New.
2626         (_mm256_stream_pd): Likewise.
2627         (_mm256_stream_ps): Likewise.
2628
2629         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2630         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2631         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2632         (bdesc_special_args): Add __builtin_ia32_movntdq256,
2633         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2634         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2635         (ix86_expand_special_args_builtin): Likewise.
2636
2637         * config/i386/sse.md (AVXMODEDI): New.
2638         (avx_movnt<mode>): Likewise.
2639         (avx_movnt<mode>): Likewise.
2640         (<sse>_movnt<mode>): Remove AVX support.
2641         (sse2_movntv2di): Likewise.
2642
2643 2009-01-07  Richard Guenther  <rguenther@suse.de>
2644
2645         PR middle-end/38751
2646         * fold-const.c (extract_muldiv): Remove obsolete comment.
2647         (fold_plusminus_mult_expr): Undo MINUS_EXPR
2648         to PLUS_EXPR canonicalization for the canonicalization.
2649
2650 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
2651
2652         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2653         hosted cross-compilers generating less efficient code.
2654
2655 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
2656
2657         * function.h (rtl_data): Add a dbr_scheduled_p field.
2658         * reorg.c (dbr_schedule): Set it.
2659         (gate_handle_delay_slots): Check it.
2660         * config/mips/mips.c (mips_base_delayed_branch): Delete.
2661         (mips_reorg): Check flag_delayed_branch instead of
2662         mips_base_delayed_branch.
2663         (mips_override_options): Don't set mips_base_delayed_branch
2664         or flag_delayed_branch.
2665
2666 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
2667
2668         PR rtl-optimization/38426.
2669         * ira.c (ira): Set current_function_is_leaf earlier.
2670
2671 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
2672
2673         PR rtl-optimization/38722
2674         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2675         too early, only set a flag and modify after last possible
2676         undo_all point.
2677
2678 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
2679
2680         PR c/34252
2681         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2682         * real.c (decimal_single_format): Correct values of emin and emax.
2683         (decimal_double_format): Ditto.
2684         (decimal_quad_format): Ditto.
2685         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2686         computation of DECnn_MIN and DECnn_MAX for corrected values of
2687         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
2688         __DECnn_MIN__, and adjust its computation for the corrected value
2689         of emin.
2690
2691 2009-01-06  Jan Hubicka  <jh@suse.cz>
2692
2693         PR target/38744
2694         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2695
2696 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
2697
2698         * doc/contrib.texi (Contributors): Slightly adjust the end note.
2699         Add Robert Clark to the list of testers.
2700
2701 2009-01-06  Jan Hubicka  <jh@suse.cz>
2702             Kai Tietz  <kai.tietz@onevision.com>
2703
2704         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2705         * config/i386/i386.c (ix86_expand_call): Add clobbers.
2706
2707 2009-01-06  Jan Hubicka  <jh@suse.cz>
2708             Kai Tietz  <kai.tietz@onevision.com>
2709
2710         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2711         for w64 ABI.
2712         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2713         (ix86_nsaved_regs): Count only general purpose regs.
2714         (ix86_nsaved_sseregs): New.
2715         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2716         to 16 for w64; compute padding and size of sse reg save area.
2717         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2718         general purpose regs.
2719         (ix86_emit_save_sse_regs_using_mov): New.
2720         (ix86_expand_prologue): Save SSE regs if needed.
2721         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2722         (ix86_emit_restore_sse_regs_using_mov): New.
2723         (ix86_expand_epilogue): Save SSE regs if needed.
2724
2725 2009-01-06  Jan Hubicka  <jh@suse.cz>
2726             Kai Tietz  <kai.tietz@onevision.com>
2727
2728         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2729         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2730         functions when accumulate outgoing args is off.
2731
2732 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
2733
2734         PR bootstrap/38742
2735         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2736         before using pseudos_have_intersected_live_ranges_p.
2737
2738         * ira-int.h (ira_assert): Always define.
2739
2740 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
2741
2742         AVX Programming Reference (December, 2008)
2743         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2744         (_mm256_permute2_pd): Likewise.
2745         (_mm_permute2_ps): Likewise.
2746         (_mm256_permute2_ps): Likewise.
2747         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2748         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2749
2750         * config/i386/i386.c (ix86_builtins): Remove
2751         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2752         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2753         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2754         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2755         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2756         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2757         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2758         __builtin_ia32_vpermil2ps256.
2759         (ix86_init_mmx_sse_builtins): Updated.
2760         (ix86_expand_args_builtin): Likewise.
2761
2762 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2763
2764         * pa.c (output_call): Relocate non-jump insns in the delay slot of
2765         long absolute calls when generating PA 2.0 code.
2766
2767 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
2768
2769         PR rtl-optimization/38583
2770         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2771
2772         * params.def (ira-max-conflict-table-size): New.
2773
2774         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2775
2776         * ira.h (ira_conflicts_p): New external definition.
2777
2778         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2779         table.  Report this.  Return result of building.
2780         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
2781         building conflict table.
2782
2783         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2784         (ira_color): Use ira_conflicts_p.
2785
2786         * global.c: Include ira.h.
2787         (pseudo_for_reload_consideration_p, build_insn_chain): Use
2788         ira_conflicts_p.
2789
2790         * Makefile.in (global.o): Add ira.h.
2791
2792         * ira-build.c (mark_all_loops_for_removal,
2793         propagate_some_info_from_allocno): New.
2794         (remove_unnecessary_allocnos): Call
2795         propagate_some_info_from_allocno.
2796         (remove_low_level_allocnos): New.
2797         (remove_unnecessary_regions): Add parameter.  Call
2798         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
2799         parameter to remove_unnecessary_regions.
2800         (ira_build): Remove all regions but root if the conflict table was
2801         not built.  Update conflict hard regs for allocnos crossing calls.
2802
2803         * ira.c (ira_conflicts_p): New global.
2804         (ira): Define and use ira_conflicts_p.
2805
2806         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2807         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2808         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2809
2810 2009-01-06  Ben Elliston  <bje@au.ibm.com>
2811
2812         * gengtype-lex.l (YY_NO_INPUT): Define.
2813
2814 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2815
2816         PR c/34911
2817         * c-common.c (handle_vector_size_attribute): Also reject
2818         BOOLEAN_TYPE types.
2819
2820 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
2821
2822         PR tree-optimization/38492
2823         * graphite.c (rename_map_elt, debug_rename_elt,
2824         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2825         rename_map_elt_info, eq_rename_map_elts,
2826         get_new_name_from_old_name, bb_in_sese_p): Moved around.
2827         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2828         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2829         (sese_build_livein_liveouts): New.
2830         (new_sese, free_sese): New.
2831         (new_scop): Call new_sese.
2832         (free_scop): Call free_sese.
2833         (rename_variables_from_edge, rename_phis_end_scop): Removed.
2834         (register_old_new_names): Renamed register_old_and_new_names.
2835         (register_scop_liveout_renames, add_loop_exit_phis,
2836         insert_loop_close_phis, struct igp,
2837         default_liveout_before_guard, add_guard_exit_phis,
2838         insert_guard_phis, copy_renames): New.
2839         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2840         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2841         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2842         (scop_adjust_phis_for_liveouts): New.
2843         (gloog): Call scop_adjust_phis_for_liveouts.
2844
2845         * graphite.h (struct sese): Documented.  Added fields liveout,
2846         num_ver and livein.
2847         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2848         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2849         (struct scop): Added field liveout_renames.
2850         (SCOP_LIVEOUT_RENAMES): New.
2851
2852 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2853
2854         PR tree-optimization/38510
2855         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2856         (translate_clast): Call recompute_all_dominators before
2857         graphite_verify.
2858         (gloog): Call recompute_all_dominators before graphite_verify.
2859
2860 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2861             Jan Sjodin  <jan.sjodin@amd.com>
2862
2863         PR tree-optimization/38500
2864         * graphite.c (create_sese_edges): Call fix_loop_structure after
2865         splitting blocks.
2866
2867 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
2868
2869         * config.gcc: Add m32r*-*-rtems*.
2870         * config/m32r/rtems.h: New file.
2871
2872 2009-01-05  Ben Elliston  <bje@au.ibm.com>
2873
2874         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2875         (.po.pox): Likewise.
2876         (po/gcc.pot): Likewise.
2877
2878 2009-01-04  David S. Miller  <davem@davemloft.net>
2879
2880         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2881         (STARTING_FRAME_OFFSET): Always set to zero.
2882
2883 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
2884
2885         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2886         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2887         fixed-point types, and vectors of the same.
2888
2889 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
2890
2891         * config/mips/sync.md (*mb_barrier): Rename to...
2892         (*memory_barrier): ...this.
2893
2894 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
2895
2896         * doc/extend.texi (Function Attributes): Move @cindex after @item
2897         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2898         and put in alphabetical order. Fix 'target' name and put in order.
2899         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2900         typos.
2901
2902 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
2903
2904         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2905         (memory_barrier): Expand as unspec instead of unspec_volatile.
2906         Remove mem:BLK from insn operands.  Use Pmode scratch register.
2907         (*memory_barrier): Define as unspec instead of unspec_volatile.
2908         Use (match_dup 0) as input operand.
2909
2910         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2911         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2912         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
2913         scratch register.  Remove operand 1.
2914         (*stbar): Define as unspec instead of unspec_volatile.
2915         Use (match_dup 0) as input operand, remove (const_int 8).
2916         (*membar): Define as unspec instead of unspec_volatile.
2917         Use (match_dup 0) as input operand, remove input operand 2.
2918
2919         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2920         (memory_barrier): Expand as unspec instead of unspec_volatile.
2921         Remove mem:BLK from insn operands.  Use Pmode scratch register.
2922         (*memory_barrier): Define as unspec instead of unspec_volatile.
2923         Use (match_dup 0) as input operand.
2924
2925         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2926         Remove mem:BLK from insn operands.  Use Pmode scratch register.
2927         Set volatile flag on operand 0.
2928         (*memory_barrier): New insn pattern.
2929
2930         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2931         insn operands.
2932         (*memory_barrier): Use (match_dup 0) as input operand.
2933
2934         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2935         Remove mem:BLK from insn operands.  Use Pmode scratch register.
2936         Set volatile flag on operand 0.
2937         (*mb_internal): New insn pattern.
2938
2939         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2940
2941 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
2942
2943         PR middle-end/38586
2944         * function.c (struct temp_slot): Move to the section of the file
2945         that deals with temp slots.  Remove field 'address'.
2946         (temp_slot_address_table): New hash table of address -> temp slot.
2947         (struct temp_slot_address_entry): New struct, items for the table.
2948         (temp_slot_address_compute_hash, temp_slot_address_hash,
2949         temp_slot_address_eq, insert_temp_slot_address): Support functions
2950         for the new table.
2951         (find_temp_slot_from_address): Rewrite to use the new hash table.
2952         (remove_unused_temp_slot_addresses): Remove addresses of temp
2953         slots that have been made available.
2954         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2955         worker function for remove_unused_temp_slot_addresses.
2956         (assign_stack_temp_for_type): Don't clear the temp slot address list.
2957         Add the temp slot address to the address -> temp slot map.
2958         (update_temp_slot_address): Update via insert_temp_slot_address.
2959         (free_temp_slots): Call remove_unused_temp_slot_addresses.
2960         (pop_temp_slots): Likewise.
2961         (init_temp_slots): Allocate the address -> temp slot map, or empty
2962         the map if it is already allocated.
2963         (prepare_function_start): Initialize temp slot processing.
2964
2965 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
2966
2967         PR middle-end/38584
2968         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2969         Calculate the size of all stack vars assuming no packing of stack
2970         vars will happen, replacing a quadratic algorithm with a linear one.
2971
2972 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
2973
2974         PR target/38707
2975         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
2976         can't be used.
2977
2978 2009-01-03  Diego Novillo  <dnovillo@google.com>
2979
2980         * doc/contrib.texi: Update contributions.
2981
2982 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
2983
2984         PR c++/38705
2985         * builtins.c (fold_builtin_memory_op): Give up if either operand
2986         is volatile.  Set srctype or desttype to non-qualified version
2987         of the other type.
2988
2989         PR c/38700
2990         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
2991         and FUNCTION_DECLs.
2992
2993 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
2994
2995         PR rtl-optimization/35805
2996         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
2997         problem if fast dce is able to remove any instructions.
2998         * dce.c (dce_process_block): Fix dump message.
2999
3000 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
3001
3002         PR 33649
3003         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
3004
3005 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
3006
3007         PR middle-end/38690
3008         * tree-flow.h (op_code_prio, op_prio): New prototypes.
3009         * tree-pretty-print.c (op_code_prio): New function.
3010         (op_prio): No longer static.  Use op_code_prio.
3011         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
3012         Use op_prio and op_code_prio to determine if () should be
3013         printed around operand(s) or not.
3014
3015         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
3016         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
3017         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
3018         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
3019         pp_character instead of pp_string for single letter printing.
3020
3021 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
3022
3023         * doc/extend.texi: Fix '#pragma GCC option' typo.
3024
3025 2009-01-02  Richard Guenther  <rguenther@suse.de>
3026
3027         * doc/install.texi (--enable-checking): Mention different
3028         default for stage1.
3029         (--enable-stage1-checking): Document.
3030
3031 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
3032
3033         PR middle-end/30142
3034         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
3035         case to be an error.
3036
3037 2009-01-02  Ben Elliston  <bje@au.ibm.com>
3038
3039         * config/fp-bit.h (pack_d): Constify argument.
3040         * config/fp-bit.c (makenan): Constify return type. Remove casts.
3041         (isnan): Constify argument.
3042         (isinf): Likewise.
3043         (iszero): Likewise.
3044         (pack_d): Likewise.
3045         (_fpadd_parts): Constify return type.
3046         (_fpmul_parts): Likewise.
3047         (_fpdiv_parts): Likewise.
3048
3049 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
3050
3051         PR c/36489
3052         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
3053         warn about overwriting initializer with side-effects or
3054         -Woverride-init if !IMPLICIT.
3055         (output_init_element): Likewise.  Pass IMPLICIT down to
3056         add_pending_init.
3057         (process_init_element): Add IMPLICIT argument.  Pass it down
3058         to output_init_element.
3059         (push_init_element, pop_init_level, set_designator): Adjust
3060         process_init_element callers.
3061         (set_nonincremental_init, set_nonincremental_init_from_string):
3062         Adjust add_pending_init callers.
3063         (output_pending_init_elements): Adjust output_init_element callers.
3064         * c-tree.h (process_init_element): Adjust prototype.
3065         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
3066         process_init_element callers.