gcc/ChangeLog

   1 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
   2
   3         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
   4         * cppdefault.h (cpp_PREFIX): Document.
   5         (cpp_PREFIX_len): Likewise.
   6         (cpp_EXEC_PREFIX): New variable.
   7         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
   8         * c-incpath.c (add_standard_paths): Correct logic for relocating
   9         paths within prefix.
  10
  11 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
  12
  13         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
  14         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
  15         mode macro.
  16         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
  17         fix_truncdfdi_sse using SSEMODEF mode macro.
  18         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
  19         fix_truncdfsi_sse using SSEMODEF mode macro.
  20         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
  21         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
  22
  23 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
  24
  25         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
  26         elfos.h to tm_file.
  27
  28 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
  29
  30         * tree.h : Add multiple_of_p declaration.
  31         * fold-const.c (multiple_of_p): Make multiple_of_p public.
  32         * ipa-type-escape.c (results_of_malloc): Redundant.
  33         (visited_stmts): New. Visited stmt for walk_use_def_chains.
  34         (cast_type): Extended with new members.
  35         (check_cast): Returns cast_type.
  36         (cast): New structure for data of walk_use_def_chains.
  37         (is_malloc_result, is_cast_from_non_pointer_1,
  38         is_cast_from_non_pointer,
  39         is_array_access_through_pointer_and_index): New functions.
  40         (look_for_casts): Returns cast types.
  41         (check_call): Returns void.
  42         (okay_pointer_operation): Use support of pointer plus index,
  43         pointer plus constant and allow all multiplications.
  44
  45 2007-03-11  Richard Guenther  <rguenther@suse.de>
  46
  47         PR tree-optimization/31115
  48         * tree-vrp.c (extract_range_from_binary_expr): Make sure
  49         the shift count is positive and non-anti-range for RSHIFT_EXPR.
  50         A shift count of zero is not special as with *_DIV_EXPR.
  51         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
  52         direction.
  53
  54 2007-03-11  Ian Lance Taylor  <iant@google.com>
  55
  56         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
  57         the *_DIV_EXPR codes correctly with overflow infinities.
  58
  59 2007-03-11  Ira Rosen  <irar@il.ibm.com>
  60
  61         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
  62         indicate success/failure of the analysis. Add negation to subtrahend
  63         in case of subtraction. Fail if both operands contain constants.
  64         (create_data_ref): Fail if analyze_offset fails.
  65
  66 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
  67
  68         * config/i386/i386.md (frndintxf2): Rename to ...
  69         (rintxf2): ... this. Remove expander having same name.
  70         (rintsf2, rintdf2): Implement using SSEMODEF macro.
  71         (roundsf2, rounddf2): Ditto.
  72         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
  73         (lround<mode>di2, lround<mode>si2): Ditto.
  74
  75 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
  76
  77         * lower-subreg.c: Include except.h.
  78         (decompose_multiword_subregs): Verify that the only control flow
  79         insns we can split are loads to multi-words pseudos.
  80         Handle breaking such blocks after splitting, instead of calling
  81         find_many_sub_basic_blocks.
  82
  83         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
  84         on the new basic block.  Add a lengthy comment explaining why we
  85         thought this was necessary.
  86         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
  87
  88 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
  89
  90         PR c++/30924
  91         * tree.c (walk_type_fields): Recurse into the element type of
  92         ARRAY_TYPEs if there is a pointer set.
  93
  94 2007-03-10  Dirk Mueller  <dmueller@suse.de>
  95
  96         * c-common.c (warn_logical_operator): Fix condition.
  97
  98 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
  99
 100         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
 101         quotation mark.
 102         * config/darwin.c (machopic_select_section): Remove superfluous
 103         argument in call to categorize_decl_for_section.  Remove unused
 104         variable shlib.
 105
 106 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
 107
 108         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
 109         defined.
 110         * configure: Regenerate.
 111
 112 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
 113
 114         PR target/31101
 115         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
 116         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
 117         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
 118         Add LABEL_NUSES to emitted label.
 119         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
 120         branch probability value to emitted jump insn.
 121         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
 122         Do not check life information and do not re-arrange input operands
 123         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
 124
 125 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
 126
 127         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
 128         the change of decode_asm_operands.
 129
 130 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
 131
 132         * mode-switching.c (create_pre_exit): Skip blockage insn.
 133
 134 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
 135
 136         * tree-pass.h (TODO_update_smt_usage): Remove.
 137         Update all users.
 138         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
 139         argument SOME.
 140         Update all users.
 141
 142 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 143
 144         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
 145         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
 146         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
 147         SOM target.
 148
 149 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
 150
 151         * gcc.c: Document %{, in big comment at top.
 152         (input_suffix_matches): Remove special handling for .s and
 153         .S.
 154         (input_spec_matches): New.
 155         (handle_braces): Handle %{,.
 156         (validate_switches): ',' indicates a value which is not a switch.
 157         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
 158         to detect assembler input.
 159         * config/i386/sol2.h (CPP_SPEC): Likewise.
 160         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
 161         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
 162         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
 163         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
 164         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
 165         -m64 causes deployment target to default to 10.5.
 166         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
 167
 168 2007-03-09  Richard Henderson  <rth@redhat.com>
 169
 170         PR target/26090
 171         * target.h (targetm.asm.out.reloc_rw_mask): New.
 172         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
 173         (TARGET_ASM_OUT): Use it.
 174         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
 175         * varasm.c (categorize_decl_for_section): Remove shlib argument;
 176         use the new reloc_rw_mask target hook instead.
 177         (default_section_type_flags_1): Merge into...
 178         (default_section_type_flags): ... here.
 179         (decl_readonly_section_1): Merge into...
 180         (decl_readonly_section): ... here.
 181         (default_elf_select_section_1): Merge into...
 182         (default_elf_select_section): ... here.
 183         (default_unique_section_1): Merge into...
 184         (default_unique_section): ... here.
 185         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
 186         (default_select_rtx_section): Use it.
 187         (default_elf_select_rtx_section): Likewise.
 188         * output.h: Update to match.
 189         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
 190         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
 191         (TARGET_ASM_RELOC_RW_MASK): New.
 192         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
 193         to categorize_decl_for_section.
 194         (x86_64_elf_unique_section): Likewise.
 195         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
 196         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
 197         (TARGET_ASM_RELOC_RW_MASK): New.
 198         * config/ia64/ia64.c (ia64_rwreloc_select_section,
 199         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
 200         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
 201         (TARGET_RWRELOC): Remove.
 202         (ia64_section_type_flags): Adjust call to default_section_type_flags.
 203         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
 204         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
 205         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
 206         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
 207         (rs6000_xcoff_select_section): Use decl_readonly_section.
 208         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
 209         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
 210         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
 211         (TARGET_SECTION_TYPE_FLAGS): Remove.
 212         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
 213
 214 2007-03-09  Roger Sayle  <roger@eyesopen.com>
 215
 216         * fold-const.c (fold_comparison): Remove compile-time evaluation of
 217         complex constant equality/inequality comparisons for here.
 218         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
 219         known at compile-time or can be simplified to a scalar comparison.
 220         (fold_relational_const): Move compile-time evaluation of complex
 221         constant equality/inequality comparisons to here.
 222
 223 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
 224
 225         PR rtl-optimization/30643
 226         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
 227         dest_addr_elt.
 228         (fold_rtx): Recurse, like before 2006-11-03.
 229
 230 2007-03-09  DJ Delorie  <dj@redhat.com>
 231
 232         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
 233         m32c-pragma.o.
 234
 235 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
 236
 237         PR tree-optimization/30375
 238         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
 239         LHS of statements is not the same.
 240         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
 241
 242 2007-03-09  Chao-ying Fu  <fu@mips.com>
 243
 244         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
 245         REV 2.
 246         * doc/invoke.texi (-mdspr2): Document new option.
 247         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
 248         New unspec for DSP REV 2.
 249         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
 250         these instructions are extended in DSP REV 2.
 251         (mips-dspr2.md): Include.
 252         * config/mips/mips.opt (mdspr2): New option.
 253         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
 254         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
 255         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
 256         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
 257         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
 258         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
 259         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
 260         and 2 builtins.
 261         (bdesc_map): Add one field of unsupported_target_flags.
 262         (bdesc_arrays):  Update entries to have extra fields.  Add
 263         dsp_32only_bdesc.
 264         (mips_init_builtins): Initialize new function types.
 265         Check unsupported_target_fileds to filter out builtins.
 266         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
 267         TARGET_DSPR2.
 268         (ASM_SPEC): Pass mdspr2 to the assembler.
 269         * config/mips/mips-dspr2.md: New file.
 270
 271 2007-03-09  Sa Liu  <saliu@de.ibm.com>
 272
 273         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
 274
 275 2007-03-09  Ian Lance Taylor  <iant@google.com>
 276
 277         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
 278         argument) like -Wstrict-overflow=2.
 279         * doc/invoke.texi (Warning Options): Update documentation.
 280
 281 2007-03-09  Dirk Mueller  <dmueller@suse.de>
 282
 283         PR c++/17946
 284         * doc/invoke.texi (-Wlogical-op): Document.
 285         * common.opt (-Wlogical-op): New.
 286         * c-common.h (warn_logical_operator): Declare.
 287         * c-common.c (warn_logical_operator): Define.
 288         * c-typeck.c (parser_build_binary_op): Call
 289         warn_logical_operator.
 290
 291 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
 292
 293         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
 294         * final.c (final_scan_insn): Test for non-"" file name.
 295
 296 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
 297
 298         * doc/loop.texi: Document the Omega linear constraints solver.
 299         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
 300         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
 301         omega-hash-table-size, omega-max-keys, and
 302         omega-eliminate-redundant-constraints.
 303         * tree-pass.h (pass_check_data_deps): Declared.
 304         * omega.c: New.
 305         * omega.h: New.
 306         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
 307         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
 308         pass_check_data_deps): New.
 309         * tree-data-ref.c (init_data_ref): Remove declaration.
 310         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
 311         (analyze_array): Renamed init_array_ref, move up initializations.
 312         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
 313         Removed arguments that are set to NULL.
 314         (analyze_indirect_ref): Correct indentation, correct call to
 315         init_pointer_ref.
 316         (object_analysis): Call init_array_ref instead of analyze_array.
 317         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
 318         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
 319         of DR_ACCESS_FNS_ADDR.
 320         (init_omega_eq_with_af, omega_extract_distance_vectors,
 321         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
 322         ddr_consistent_p): New.
 323         (compute_affine_dependence): Check consistency of ddrs when
 324         flag_check_data_deps is passed.
 325         (analyze_all_data_dependences): Uncomment.
 326         (tree_check_data_deps): New.
 327         * tree-data-ref.h: Include omega.h.
 328         (DR_ACCESS_FNS_ADDR): Removed.
 329         (data_dependence_relation): Add inner_loop.
 330         (DDR_INNER_LOOP): New.
 331         * common.opt (fcheck-data-deps): New.
 332         * tree-flow.h (tree_check_data_deps): Declare.
 333         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
 334         (OBJS-common): Depend on omega.o.
 335         (omega.o): Define.
 336         * passes.c (pass_check_data_deps): Scheduled.
 337         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
 338         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
 339         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
 340         PARAM_VECT_MAX_VERSION_CHECKS,
 341         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
 342
 343 2007-03-09  Richard Guenther  <rguenther@suse.de>
 344
 345         PR tree-optimization/30904
 346         PR middle-end/31058
 347         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
 348         the same way as *_DIV_EXPR.
 349
 350 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
 351
 352         * recog.c (decode_asm_operands): No mixed declarations and code.
 353
 354 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
 355
 356         * rtl.def (ASM_INPUT): Add location.
 357         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
 358         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
 359         (decode_asm_operands): Add loc operand.
 360         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
 361         * stmt.c (expand_asm): Rename to...
 362         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
 363         gen_rtx_ASM_INPUT_loc.
 364         (expand_asm_expr): Adjust.
 365         * recog.c (decode_asm_operands): Add loc operand.
 366         (check_asm_operands, extract_insn): Adjust.
 367         * reload1.c (maybe_fix_stack_asms): Likewise.
 368         * final.c (asm_insn_count): Likewise.
 369         (final_scan_insn): Output # line before and after asm.
 370
 371 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
 372
 373         * tree-ssa-structalias.c (variable_info): Remove
 374         finished_solution.
 375         (new_var_info): Ditto.
 376         (shared_bitmap_info_t): New structure.
 377         (shared_bitmap_table): New variable.
 378         (shared_bitmap_hash): New function.
 379         (shared_bitmap_eq): Ditto
 380         (shared_bitmap_lookup): Ditto.
 381         (shared_bitmap_add): Ditto.
 382         (merge_smts_into): Change to take bitmap directly.
 383         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
 384         (init_alias_vars): Init shared bitmap hashtable.
 385         (delete_points_to_sets): Delete shared bitmap hashtable.
 386         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
 387         is_aliased removal as a change that was still necessary was
 388         deleted.
 389
 390 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
 391
 392         * config/i386/i386.h (override_options): Conditionally disable
 393         x86_sahf for 64bit targets only.
 394
 395 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 396
 397         PR C/31072
 398         * c-decl.c (merge_decls): Don't call make_var_volatile.
 399         * varasm.c (make_var_volatile): Remove.
 400         * output.h (make_var_volatile): Remove.
 401
 402 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
 403
 404         PR tree-optimization/31085
 405         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
 406
 407 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 408
 409         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
 410         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
 411         ATTR_CONST_NOTHROW_LIST.
 412
 413         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
 414         FIX_TRUNC_EXPR.
 415
 416 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
 417
 418         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
 419
 420 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
 421
 422         PR 31013
 423         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
 424         is declared.
 425         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
 426         passed, use shared libgcc.
 427
 428 2007-03-08  Roger Sayle  <roger@eyesopen.com>
 429
 430         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
 431         instead of calling build2 with a GIMPLE_MODIFY_STMT.
 432         (honor_protect_cleanup_actions, lower_try_finally_switch):
 433         Likewise.
 434         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
 435         ifc_temp_var): Likewise.
 436         * tree-inline.c (setup_one_parameter): Likewise.
 437         * tree-mudflap.c (mf_decl_cache_locals,
 438         mf_build_check_statement_for): Likewise.
 439         * tree-nested.c (init_tmp_var, save_tmp_var,
 440         finalize_nesting_tree_1): Likewise.
 441         * tree-outof-ssa.c (insert_copy_on_edge,
 442         insert_backedge_copies): Likewise.
 443         * tree-profile.c (tree_gen_edge_profiler,
 444         tree_gen_ic_profiler): Likewise.
 445         * tree-scalar-evolution.c (scev_const_prop): Likewise.
 446         * tree-sra.c (sra_build_assignment): Likewise.
 447         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
 448         * tree-ssa-math-opts.c (insert_reciprocals,
 449         execute_cse_sincos_1): Likewise.
 450         * tree-tailcall.c (adjust_accumulator_values,
 451         adjust_return_value): Likewise.
 452         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
 453         * tree-vect-transform.c (vect_create_data_ref_ptr,
 454         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
 455         vect_create_epilog_for_reduction, vectorizable_reduction,
 456         vectorizable_call, vectorizable_conversion,
 457         vectorizable_assignment, vectorizable_operation,
 458         vectorizable_type_demotion, vect_gen_widened_results_half,
 459         vect_permute_store_chain, vectorizable_store,
 460         vect_setup_realignment, vect_permute_load_chain,
 461         vectorizable_load, vectorizable_condition,
 462         vect_create_cond_for_align_checks): Likewise.
 463         * tree-vrp.c (build_assert_expr_for): Likewise.
 464
 465 2007-03-08  Ian Lance Taylor  <iant@google.com>
 466
 467         * tree-vrp.c: Include "intl.h".
 468         (usable_range_p): New static function.
 469         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
 470         overflowed values, juts set *strict_overflow_p.
 471         (compare_values): Only return -2 if one of the operands is not a
 472         constant.
 473         (compare_ranges): Call usable_range_p.
 474         (compare_range_with_value): Likewise.
 475         (vrp_evaluate_conditional_warnv): Rename from
 476         vrp_evaluate_conditional.  Make static.  Change all callers.
 477         (vrp_evaluate_conditional): New function.
 478         (simplify_div_or_mod_using_ranges): Issue warning about reliance
 479         on signed overflow.
 480         (simplify_abs_using_ranges): Likewise.
 481         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
 482         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
 483         within_stmt parameter.
 484         * tree-ssa-propagate.c (fold_predicate_in): Update call to
 485         vrp_evaluate_conditional.
 486         * tree-ssa-threadedge.c
 487         (record_temporary_equivalences_from_stmts_at_dest): Change
 488         simplify parameter to take a second tree parameter.
 489         (simplify_control_stmt_condition): Likewise.
 490         (thread_across_edge): Likewise.
 491         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
 492         (thread_across_edge): Likewise.
 493         * gcc/Makefile.in (tree-vrp.o): Depend upon intl.h.
 494
 495 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
 496
 497         * config/i386/i386.h (TARGET_SAHF): New define.
 498         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
 499         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
 500         (x86_sahf): New global variable.
 501         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
 502         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
 503         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
 504         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
 505         for 64-bit.
 506         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
 507         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
 508         when expanding fcomi/sahf based tests.
 509         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
 510         expanding sahf based alternative. Emit sahf based sequence when
 511         optimizing for code size.
 512         * config/i386/i386.md (x86_sahf_1): Do not disable for
 513         TARGET_64BIT, enable for TARGET_SAHF.
 514
 515 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
 516
 517         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
 518         spurious whitespace from error message.
 519
 520 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
 521
 522         PR c++/30852
 523         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
 524
 525 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
 526
 527         * c-decl.c (grokdeclarator): Disable warnings for anonymous
 528         bitfields.
 529         * tree-sra.c (instantiate_element): Propagate disabled warnings
 530         from the element itself to the created variable.
 531
 532 2007-03-07  Richard Henderson  <rth@redhat.com>
 533
 534         PR target/30848
 535         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
 536         silently fix up the stack in the case of a missing register.
 537
 538 2007-03-07  Paul Brook  <paul@codesourcery.com>
 539
 540         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
 541
 542 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
 543
 544         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
 545         New.
 546         (phase1_vrs): Use them.
 547         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
 548         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
 549         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
 550         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
 551         __gnu_Unwind_Restore_WMMXC if required.
 552         (_Unwind_VRS_Pop): Implement iWMMXt support.
 553         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
 554         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
 555         gnu_Unwind_Save_WMMXC): Define.
 556
 557 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
 558
 559         * config/vxworks.h (vxworks_override_options): Declare.
 560         (VXWORKS_OVERRIDE_OPTIONS): Use it.
 561         * config/vxworks.c: Include target.h and toplev.h.
 562         (vxworks_override_options): New function.
 563         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
 564
 565 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
 566
 567         * config/s390/s390.c (override_options): Don't emit an error when
 568         -mstack-size is used without providing -mstack-guard.
 569         (s390_emit_prologue): Choose stack_guard value automatically if not
 570         provided via command line.
 571         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
 572
 573 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
 574
 575         * config/i386/i386.c (output_set_got): Add a GOT initialization
 576         sequence for VxWorks PIC.
 577         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
 578         around labels as well as symbols.  Use gotoff_operand instead
 579         of local_symbolic_operand.
 580         (legitimize_pic_address): Use gotoff_operand instead of
 581         local_symbolic_operand.  Use @GOT accesses for labels as
 582         well as symbols.
 583         (ix86_output_addr_diff_elt): Use PC-relative rather than
 584         GP-relative offsets for VxWorks PIC.
 585         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
 586         no_new_pseudos.  Check whether the returned register is op0.
 587         * config/i386/i386.md (tablejump): Use PC-relative rather than
 588         GP-relative offsets for VxWorks PIC.
 589         * config/i386/predicates.md (gotoff_operand): New predicate.
 590
 591 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
 592
 593         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
 594         before defining.
 595         * config/vxworks-dummy.h: New file.
 596         * config/i386/i386.h: Include it.
 597
 598 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
 599
 600         * dwarf2out.c (is_inlined_entry_point): New
 601         (add_high_low_attributes): Emit DW_AT_entry_pc along with
 602         DW_AT_ranges if the first subblock is the entry point.
 603
 604 2007-03-06  David Daney  <ddaney@avtrex.com>
 605
 606         * doc/install.texi (mips-*-*): Change recommended binutils
 607         version.
 608
 609 2007-03-06  Anatoly Sokolov <aesok@post.ru>
 610
 611         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
 612         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
 613         devices.
 614         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
 615         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
 616
 617 2007-03-06  Jan Hubicka  <jh@suse.cz>
 618
 619         * errors.h (warning, error, fatal, internal_error): Mark as cold.
 620         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
 621         are hot.
 622         (probably_cold_bb_p): Cold functions are cold.
 623         (probably_never_executed_bb_p): Cold functions are cold.
 624         (tree_bb_level_predictions): Predict calls to cold functions as not
 625         taken.
 626         (compute_function_frequency): Check hot/cold attributes.
 627         * function.h (function_frequency): Update comments.
 628         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
 629         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
 630         (c_common_att): Add cold and hot.
 631
 632         * doc/extend.texi (hot,cold attributes): Document.
 633
 634 2007-03-06  Andrew Haley  <aph@redhat.com>
 635
 636         * function.c (expand_function_end): Move blockage to just after we
 637         emit the label for the naked return from the function.
 638
 639 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
 640
 641         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
 642         before redefining.
 643
 644 2007-03-06  Jan Hubicka  <jh@suse.cz>
 645
 646         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
 647         loaded for constant large models.  Non-large 64bit PIC can do.
 648         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
 649         * cmodel.h: Add LARGE PIC.
 650         * i386.md (UNSPEC_PLTOFF): New.
 651         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
 652         needed.
 653         (*call_1_rex64): Disable for large models.
 654         (*call_1_rex64_large): New.
 655         (*call_value_1_rex64): Disable for large models.
 656         (*call_value_1_rex64_large): New.
 657         (set_rip_rex4): New.
 658         (set_got_offset_rex64): New.
 659         * predicates.md (constant_call_address_operand): For large model
 660         constant calls are not possible.
 661         * i386-protos.h (construct_plt_address): Declare.
 662         * i386.c (override_options): Accept large models.
 663         (ix86_expand_prologue): Expand large PIC GOT pointer load.
 664         (legitimate_constant_p): Add new UNSPECs.
 665         (legitimate_pic_operand_p): Likewise.
 666         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
 667         (legitimize_pic_address): Do easy RIP relative way for TLS only for
 668         non-large model.
 669         (output_pic_addr_const): Add PLTOFF.
 670         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
 671         (ix86_expand_move): Legitimize pic address when in PIC mode.
 672         (construct_plt_address): New function.
 673         (ix86_expand_call): Offload the address to register and use GOT pointer
 674         for large model.
 675         * invoke.texi (mcmodel=large): Update documentation.
 676
 677 2007-03-06  Richard Henderson  <rth@redhat.com>
 678
 679         * config/i386/i386.c (x86_use_leave, x86_push_memory,
 680         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
 681         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
 682         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
 683         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
 684         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
 685         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
 686         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
 687         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
 688         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
 689         x86_partial_reg_dependency, x86_memory_mismatch_stall,
 690         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
 691         x86_sse_partial_reg_dependency, x86_sse_split_regs,
 692         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
 693         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
 694         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
 695         x86_schedule, x86_use_bt, x86_pad_returns,
 696         x86_use_xchgb): Merge into ...
 697         (ix86_tune_features): ... here.  New array.
 698         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
 699         x86_bswap): Merge into ...
 700         (ix86_arch_features): ... here.  New array.
 701         (x86_3dnow_a): Remove.
 702         (x86_accumulate_outgoing_args): Make static.
 703         (x86_arch_always_fancy_math_387): Make static.
 704         (ix86_tune_mask, ix86_arch_mask): Move ...
 705         (override_options): ... to local variables here.  Apply the
 706         appropriate mask to each element of ix86_arch_features and
 707         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
 708         as were done in the old macros.
 709         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
 710         * config/i386/i386.h (x86_use_leave, x86_push_memory,
 711         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
 712         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
 713         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
 714         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
 715         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
 716         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
 717         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
 718         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
 719         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
 720         x86_partial_reg_dependency, x86_memory_mismatch_stall,
 721         x86_accumulate_outgoing_args, x86_prologue_using_move,
 722         x86_epilogue_using_move, x86_decompose_lea,
 723         x86_arch_always_fancy_math_387, x86_shift1,
 724         x86_sse_partial_reg_dependency, x86_sse_split_regs,
 725         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
 726         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
 727         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
 728         x86_use_incdec, x86_pad_returns, x86_bswap,
 729         x86_partial_flag_reg_stall): Remove.
 730         (enum ix86_tune_indices): New.
 731         (ix86_tune_features): New.
 732         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
 733         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
 734         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
 735         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
 736         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
 737         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
 738         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
 739         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
 740         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
 741         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
 742         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
 743         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
 744         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
 745         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
 746         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
 747         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
 748         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
 749         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
 750         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
 751         TARGET_EXT_80387_CONSTANTS): Use it.
 752         (enum ix86_arch_indices): New.
 753         (ix86_arch_features): New.
 754         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
 755         TARGET_BSWAP): Use it.
 756         (ix86_tune_mask, ix86_arch_mask): Remove.
 757
 758 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
 759
 760         PR bootstrap/31020
 761         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
 762         Define using $${sysroot_headers_suffix}.
 763         * configure: Regenerate.
 764         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
 765         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
 766         defined.
 767         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
 768         * gcc.c (print_sysroot_headers_suffix): New.
 769         (option_map): Include --print-sysroot-headers-suffix.
 770         (display_help): Mention -print-sysroot-headers-suffix.
 771         (process_command): Handle -print-sysroot-headers-suffix.
 772         (do_spec_1): Append multilib directory to include-fixed path if
 773         sysroot suffixes in use.
 774         (main): Handle -print-sysroot-headers-suffix.
 775         * Makefile.in (start.encap): Don't depend on xlimits.h
 776         (xlimits.h): Remove.
 777         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
 778         limits.h for each multilib in fixinc_list.
 779         (fixinc_list, s-fixinc_list): New.
 780         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
 781         generate them for each multilib in fixinc_list.
 782         (stmp-fixproto): Use include-fixed.  Run fixproto for each
 783         multilib in fixinc_list.
 784         (mostlyclean): Don't remove xlimits.h.
 785         (clean): Remove include-fixed.
 786         (real-install-headers-tar, real-install-headers-cpio,
 787         real-install-headers-cp): Don't copy include, only include-fixed.
 788         (install-mkheaders): Depend on fixinc_list.  Don't depend on
 789         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
 790         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
 791         SYSTEM_HEADER_DIR setting in mkheaders.conf.
 792
 793 2007-03-06  Jan Hubicka  <jh@suse.cz>
 794
 795         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
 796         NANs easilly.
 797
 798 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
 799
 800         * configure.ac: Allow tm_file to contain build-directory files.
 801         * configure: Regenerate.
 802         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
 803         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
 804         * config/m68k/print-sysroot-suffix.sh: New file.
 805
 806 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
 807
 808         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
 809         of pic_offset_table_rtx if reload_completed.
 810         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
 811         PIC_OFFSET_TABLE_REGNUM.
 812         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
 813         return true.
 814         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
 815         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
 816
 817 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
 818
 819         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
 820         functions that call eh_return.
 821
 822 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
 823
 824         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
 825         functions that need a constant pool.
 826
 827 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
 828
 829         PR target/28181
 830         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
 831         (m68k_preferred_reload_class): Likewise.
 832         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
 833         (SECONDARY_RELOAD_CLASS): Define.
 834         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
 835         (LIMIT_RELOAD_CLASS): Delete.
 836         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
 837         registers from storing bytes.
 838         (m68k_secondary_reload_class): New function.
 839         (m68k_preferred_reload_class): Likewise.
 840
 841 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
 842
 843         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
 844         leaf functions.
 845         (m68k_expand_prologue): Likewise.
 846
 847 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
 848
 849         * config/m68k/m68k-protos.h (output_sibcall): Declare.
 850         (mips_expand_epilogue): Add a bool parameter.
 851         (m68k_legitimize_sibcall_address): Declare.
 852         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
 853         (m68k_expand_epilogue): Add a parameter to select between sibling
 854         and normal epilogues.  Only generate a return for the latter.
 855         (m68k_ok_for_sibcall_p): New function.
 856         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
 857         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
 858         (sibcall_value, *sibcall_value): Likewise.
 859         (*call, *call_value): Require !SIBLING_CALL_P.
 860         (epilogue): Update call to m68k_expand_epilogue.
 861         (sibcall_epilogue): New pattern.
 862         * config/m68k/predicates.md (const_call_operand): Say that this
 863         predicate applies to sibling calls too.
 864         (sibcall_operand): New predicate.
 865
 866 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
 867
 868         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
 869         alternatives as movsi_cf.
 870         (movsf_cf_hard): Add commentary.
 871
 872 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
 873             Richard Sandiford  <richard@codesourcery.com>
 874
 875         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
 876         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
 877         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
 878         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
 879         as being live on exit from an interrupt function.
 880         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
 881         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
 882         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
 883         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
 884         (m68k_interrupt_function_p): Globalize.
 885         (m68k_compute_frame_layout): Remove reverse mask code.
 886         (m68k_emit_movem, m68k_set_frame_related): New functions.
 887         (m68k_output_function_prologue): Delete in favor of...
 888         (m68k_expand_prologue): ...this new function.
 889         (m68k_output_function_epilogue): Delete in favor of...
 890         (m68k_expand_epilogue): ...this new function.
 891         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
 892         functions.
 893         (print_operand): Handle %?.
 894         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
 895         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
 896         (prologue, epilogue): New patterns.
 897         (return): Turn into a define_expand.
 898         (*return): New pattern, derived from old "return" pattern.  Use rte
 899         rather than rts for interrupt functions.  Only use rtd if the pop
 900         count is nonzero.
 901         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
 902         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
 903         (link, *link, unlink, *unlink, load_got): Likewise.
 904
 905 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
 906
 907         PR target/23482
 908         PR target/17114
 909         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
 910         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
 911         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
 912         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
 913         and m68k_matches_u_p.
 914         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
 915         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
 916         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
 917         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
 918         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
 919         (REG_STRICT_P): New macro.
 920         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
 921         PCREL_GENERAL_OPERAND_OK.
 922         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
 923         m68k_legitimate_base_reg_p.
 924         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
 925         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
 926         (PIC_CASE_VECTOR_ADDRESS): Update comment.
 927         * config/m68k/m68k.c (m68k_address): New structure.
 928         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
 929         (m68k_decompose_index, m68k_legitimate_constant_address_p)
 930         (m68k_jump_table_ref_p, m68k_decompose_address)
 931         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
 932         (m68k_matches_u_p): New functions.
 933         (print_operand_address): Rewrite to use m68k_decompose_index.
 934
 935 2007-03-05  David Taylor  <dtaylor@emc.com>
 936
 937         * gcc.c: Correct copyright date in --version output.
 938
 939 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 940
 941         * pa.md: In unamed move patterns, disparge copies between general
 942         and floating point registers using '?' modifier.  Don't include 'f'
 943         constraint for register preferences in DImode, SImode, HImode and
 944         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
 945         Remove constraints for copies between general and floating registers
 946         in soft-float DFmode pattern.
 947         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
 948         floating register.
 949         (movsf): Likewise.
 950
 951 2007-03-05  Mike Stump  <mrs@apple.com>
 952
 953         * c-common.c (targetcm): Add.
 954         * c-opts.c (c_common_handle_option): Handle language specific
 955         target options.
 956         * opts.c (handle_option): Verify language for target options, if
 957         any are given.
 958         * opth-gen.awk: Add CL_LANG_ALL.
 959         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
 960         (TARGETCM_INITIALIZER): Add.
 961         * target.h (struct gcc_targetcm): Add.
 962         (targetcm): Add.
 963         * targhooks.c (default_handle_c_option): Add.
 964         * targhooks.h (default_handle_c_option): Add.
 965         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
 966
 967         * config/darwin.opt (iframework): Add.
 968         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
 969         * config/darwin-c.c (handle_c_option): Add.
 970         (TARGET_HANDLE_C_OPTION): Add.
 971         (targetcm): Add.
 972         * doc/invoke.texi (Darwin Options): Add -iframework.
 973
 974 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 975
 976         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
 977         conversion.
 978
 979 2007-03-05  Ian Lance Taylor  <iant@google.com>
 980
 981         * c.opt (fgnu89-inline): New option.
 982         * c-opts.c (c_common_post_options): Set default value for
 983         flag_gnu89_inline.
 984         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
 985         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
 986         inline functions.
 987         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
 988         (grokdeclarator, start_function): Likewise.
 989         * c-cppbuiltin.c (c_cpp_builtins): Define either
 990         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
 991         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
 992         (C Dialect Options): Document -fgnu89-inline.
 993         * doc/extend.texi (Function Attributes): Explain what the
 994         gnu_inline attribute does.
 995         * doc/cpp.texi (Common Predefined Macros): Document
 996         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
 997
 998 2007-03-05  Ian Lance Taylor  <iant@google.com>
 999
1000         PR tree-optimization/31034
1001         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
1002         half-range if the other side is an overflow infinity.
1003
1004 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
1005
1006         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
1007         (bfin*-linux-uclibc*): New configuration.
1008         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
1009         defining.
1010         * config/bfin/linux.h: New file.
1011         * config/bfin/libgcc-bfin.ver: New file.
1012         * config/bfin/t-bfin-uclinux: New file.
1013         * config/bfin/t-bfin-linux: New file.
1014         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
1015         (TARGET_OS_CPP_BUILTINS): New macro.
1016
1017 2007-03-05  Richard Guenther  <rguenther@suse.de>
1018
1019         * fold-const.c (fold_binary): Remove duplicate folding
1020         of comparison of non-null ADDR_EXPR against null.
1021
1022 2007-03-05  Richard Guenther  <rguenther@suse.de>
1023             Dorit Nuzman  <dorit@il.ibm.com>
1024
1025         PR tree-optimization/26420
1026         * tree-vectorizer.c (vectorize_loops): Bail out early if there
1027         are no loops in the function.  Only print the number of
1028         vectorized loops if it is greater than zero or we are supposed
1029         to print information about unvectorized loops.
1030
1031 2007-03-05  Revital Eres  <eres@il.ibm.com>
1032
1033         * gcc.dg/var-expand1.c: New test.
1034         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
1035         when an accumulator is expanded.
1036
1037 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1038
1039         PR other/30465
1040         * c-common.c (convert_and_check): Don't give warnings for
1041         conversion if 'expr' already overflowed.
1042
1043 2007-03-04  Roger Sayle  <roger@eyesopen.com>
1044
1045         PR middle-end/30744
1046         * fold-const.c (fold_comparison): Enforce type consistency when
1047         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
1048
1049 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
1050
1051         * tree-ssa-address.c (create_mem_ref): Do not put an expression
1052         containing a cast to the base of TARGET_MEM_REF.
1053
1054 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
1055
1056         * tree.c (tree_contains_struct_check_failed): Remove spurious
1057         whitespace from error message.
1058
1059 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
1060
1061         PR target/30406
1062         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
1063         instead of precision.
1064
1065 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
1066             Nathan Sidwell  <nathan@codesourcery.com>
1067
1068         * emit-rtl.c (find_auto_inc): New.
1069         (try_split): recreate REG_INC notes,
1070         Use regular for loops rather than whiles.
1071
1072 2007-03-03  Andreas Schwab  <schwab@suse.de>
1073
1074         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
1075         * configure: Regenerate.
1076
1077 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1078
1079         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
1080         flag_rounding_math, not flag_unsafe_math_optimizations.
1081
1082         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
1083         fold_build2.
1084         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
1085         alpha_fold_vector_minmax): Likewise.
1086         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
1087         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
1088
1089 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
1090
1091         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
1092         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
1093         if the lhs has side-effects.
1094         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
1095
1096 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
1097
1098         * config/i386/i386.h (TUNEMASK): Remove define.
1099         (ARCHMASK): Remove define.
1100         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
1101          Use ix86_arch_mask variable instead of ARCHMASK.
1102         * config/i386/i386.c (override_options): Ditto.
1103         (standard_80387_constant_p): Ditto.
1104
1105 2007-03-02  Ian Lance Taylor  <iant@google.com>
1106
1107         Used signed infinities in VRP.
1108         * tree-vrp.c (uses_overflow_infinity): New static function.
1109         (supports_overflow_infinity): New static function.
1110         (make_overflow_infinity): New static function.
1111         (negative_overflow_infinity): New static function.
1112         (positive_overflow_infinity): New static function.
1113         (is_negative_overflow_infinity): New static function.
1114         (is_positive_overflow_infinity): New static function.
1115         (is_overflow_infinity): New static function.
1116         (overflow_infinity_range_p): New static function.
1117         (compare_values_warnv): New function split out of compare_values.
1118         (compare_value): Call it.
1119         (set_value_range_to_nonnegative): Add overflow_infinity
1120         parameter.  Change caller.
1121         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
1122         Change callers.
1123         (vrp_expr_computes_nonzero): Likewise.
1124         (compare_ranges, compare_range_with_value): Likewise.
1125         (compare_name_with_value, compare_names): Likewise.
1126         (vrp_evaluate_conditional): Likewise.
1127         (set_value_range): Handle infinity
1128         (vrp_operand_equal_p, operand_less_p): Likewise.
1129         (extract_range_from_assert): Likewise.
1130         (vrp_int_const_binop): Likewise.
1131         (extract_range_from_binary_expr): Likewise.
1132         (extract_range_from_unary_expr): Likewise.
1133         (extract_range_from_comparison): Likewise.
1134         (extract_range_from_expr): Likewise.
1135         (dump_value_range): Likewise.
1136         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
1137         (test_for_singularity): Likewise.
1138         (vrp_int_const_binop): Remove inline qualifier.
1139         (adjust_range_with_scev): Add comment.
1140         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
1141
1142 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
1143
1144         * tree-ssa-structalias.c (could_have_pointers): Tidy.
1145         (get_constraint_for): Likewise.
1146         (do_structure_copy): Likewise.
1147         (find_func_aliases): Fix references to MODIFY_EXPR.
1148         (intra_create_variable_infos): Tidy.
1149         * tree-ssa-operands.c (add_virtual_operand): Add argument
1150         IS_CALL_SITE.
1151         When adding members of alias sets, if IS_CALL_SITE is true and
1152         the symbol is not call-clobbered, skip it.
1153         Adjust all callers.
1154
1155 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
1156
1157         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
1158         entry by means of emit_insn_at_entry.
1159
1160 2007-03-02  Richard Henderson  <rth@redhat.com>
1161
1162         * expr.h (promoted_input_arg): Remove decl.
1163         * function.c (promoted_input_arg): Merge into ...
1164         * combine.c (setup_incoming_promotions): ... only caller.
1165         Rearrange to avoid double loop.
1166
1167 2007-03-02  Ben Elliston  <bje@au.ibm.com>
1168             Peter Bergner  <bergner@vnet.ibm.com>
1169             Janis Johnson  <janis187@us.ibm.com>
1170
1171         * config/rs6000/dfp.md: New file.
1172         * config/rs6000/rs6000.md: Include dfp.md.
1173         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
1174         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
1175         and TDmode decimal float modes in FP registers.
1176         (num_insns_constant): Likewise.
1177         (rs6000_legitimate_offset_address_p): Likewise.
1178         (rs6000_legitimize_address): Likewise.
1179         (rs6000_legitimize_reload_address): Likewise.
1180         (rs6000_legitimate_address): Likewise.
1181         (rs6000_emit_move): Likewise.
1182         (function_arg_boundary): Likewise.
1183         (function_arg_advance): Likewise.
1184         (rs6000_darwin64_record_arg_recurse): Likewise.
1185         (function_arg): Likewise.
1186         (rs6000_gimplify_va_arg): Likewise.
1187         (rs6000_split_multireg_move): Likewise.
1188         (rs6000_output_function_epilogue): Likewise.
1189         (rs6000_output_function_epilogue): Likewise.
1190         (rs6000_register_move_cost): Likewise.
1191         (rs6000_function_value): Likewise.
1192         (rs6000_libcall_value): Likewise.
1193
1194 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
1195
1196         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
1197
1198 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
1199
1200         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
1201         Use $MULTIDIR to choose between the kernel and RTP headers,
1202         and use $WIND_BASE and $WIND_USR to locate them.
1203
1204 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
1205
1206         * config/i386/i386.c (override_options): Put initialization of
1207         ix86_tune_mask and ix86_arch_mask to the correct place.
1208
1209 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
1210             Michael Meissner  <michael.meissner@amd.com>
1211
1212         PR target/31019
1213         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
1214         (ARCHMASK): Define.
1215         (TARGET_CMOVE): Use ARCHMASK.
1216         (TARGET_CMPXCHG): Ditto.
1217         (TARGET_CMPXCHG8B): Ditto.
1218         (TARGET_XADD): Ditto.
1219         (TARGET_BSWAP): Ditto.
1220         * config/i386/i386.c (ix86_tune_mask): New global variable.
1221         (ix86_arch_mask): Ditto.
1222         (override_options): Initialize ix86_tune_mask and
1223         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
1224         target_flags.
1225
1226 2007-03-02  Ben Elliston  <bje@au.ibm.com>
1227
1228         PR 30992
1229         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
1230
1231 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
1232
1233         * target.h (init_dwarf_reg_sizes_extra): New target hook.
1234         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
1235         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
1236         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
1237         hook.
1238         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
1239         rs6000_init_dwarf_reg_sizes_extra): New.
1240         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
1241         SPE register high parts.
1242
1243 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
1244
1245         * Makefile.in: Add install-pdf target as
1246         copied from automake v1.10 rules.
1247         * configure.ac: Add install-pdf to target list.
1248         * configure: Regenerate.
1249
1250 2007-03-01  Paul Brook  <paul@codesourcery.com>
1251
1252         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
1253         modes to LDRD for DImode.
1254         (output_move_double): Fixup out of range ldrd/strd.
1255         (vfp_secondary_reload_class): Rename...
1256         (coproc_secondary_reload_class): ... to this.  Add wb argument.
1257         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
1258         coproc_secondary_reload_class for CLASS_IWMMXT.
1259         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
1260         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
1261
1262 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
1263
1264         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
1265         factor by the estimated number of iterations.
1266         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
1267         prefetch latency.
1268
1269         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
1270         decode_caches_intel, detect_caches_intel): New functions.
1271         (host_detect_local_cpu): Use detect_caches_amd and
1272         detect_caches_intel.
1273
1274 2007-03-01  Richard Henderson  <rth@redhat.com>
1275
1276         * expr.c (emit_move_complex_push): Export.
1277         (emit_move_complex_parts): Split out from ...
1278         (emit_move_complex): ... here.
1279         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
1280         * config/i386/i386.md (movcdi): New.
1281
1282 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
1283
1284         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
1285         size of mode1 to check for tieable modes in MMX case.
1286
1287 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
1288
1289         * Makefile.in (rtlanal.o): Depend on tree.h.
1290         * rtl.h (offset_within_section_p, split_const): Declare.
1291         * rtlanal.c: Include tree.h.
1292         (offset_within_block_p): New function, taken from
1293         mips_offset_within_object_p.
1294         (split_const): New function, taken from mips_split_const.
1295         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
1296         Declare.
1297         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
1298         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
1299         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
1300         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
1301         (m68k_illegitimate_symbolic_constant_p): New function.
1302         * config/m68k/m68k.md (movsi): Remove misleading predicates.
1303         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
1304         symbolic constant that might be outside the symbol's section,
1305         move the symbol first and then add the offset.
1306         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
1307         Override.
1308         * config/mips/mips.c (mips_split_const): Delete.
1309         (mips_offset_within_object_p): Delete.
1310         (mips_symbolic_constant_p): Use offset_within_section_p and
1311         split_const instead of mips_offset_within_object_p and
1312         mips_split_const.
1313         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
1314         (mips_legitimize_const_move, print_operand_reloc)
1315         (mips_dangerous_for_la25_p): Use split_const instead of
1316         mips_split_const.
1317
1318 2007-02-28  Eric Christopher  <echristo@apple.com>
1319
1320         * Makefile.in (install-include-dir): Don't rm -rf include.
1321
1322 2007-02-28  Richard Guenther  <rguenther@suse.de>
1323
1324         PR middle-end/30364
1325         * fold-const.c (fold_binary): Do not associate expressions
1326         with more than one variable for integer types that do not wrap.
1327
1328 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
1329
1330         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
1331         Delete, and replace with...
1332         (fold_builtin_call_array): This.  Update callers to use it.
1333         * fold-const.c (fold_build_call_list): Delete, and replace with...
1334         (fold_build_call_array): This.
1335         (fold_build_call_list_initializer): Delete, and replace with...
1336         (fold_build_call_array_initializer): This.
1337         * tree.h: Update declarations to reflect above changes.
1338
1339         * c-typeck.c (build_function_call): Store converted arguments
1340         in a stack-allocated array instead of building a list.
1341         (convert_arguments): Store arguments in the array passed in as an
1342         argument, and return the actual number of arguments.
1343         * c-format.c: (check_function_format): Pass arguments in an
1344         array instead of a list.
1345         * c-common.c (check_function_nonnull): Likewise.
1346         (check_function_sentinel): Likewise.
1347         (check_function_arguments): Likewise.
1348         * c-common.h: Update declarations to reflect above changes.
1349
1350 2007-02-28  Jan Hubicka  <jh@suse.cz>
1351
1352         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
1353         PRED_NEGATIVE_RETURN): Update outcomes.
1354
1355 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
1356
1357         * calls.c (emit_library_call_value_1): Handle partial registers
1358         correctly when building up CALL_INSN_FUNCTION_USAGE.
1359
1360 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1361
1362         * pa/predicates.md (move_src_operand): Allow zero for mode.
1363         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
1364         move pattern.
1365
1366 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
1367
1368         PR target/30970
1369         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
1370         *movv2df_internal): Enable pattern only for valid operand
1371         combinations.
1372         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
1373         tie only 128bit modes. For MMX registers, tie only 64bit modes.
1374
1375 2007-02-27  Mike Stump  <mrs@apple.com>
1376
1377         * config/darwin-crt3.c: Avoid compilation when compiling for a
1378         kext multilib.
1379
1380 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
1381
1382         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
1383         FIXED_INCLUDE_DIR.
1384         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
1385         for fixed headers and limits.h.
1386         (install-include-dir, install-headers-tar, install-headers-cpio,
1387         install-headers-cp, real-install-headers-tar,
1388         real-install-headers-cpio, real-install-headers-cp): Handle
1389         include-fixed as well as include.
1390         (install-mkheaders): Don't install files that go only in include
1391         not include-fixed.
1392         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
1393         from GCC_INCLUDE_DIR.
1394         * gcc.c (process_command): Remove special -BstageN/ handling.
1395         (do_spec_1): Add include-fixed directories.
1396
1397 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
1398
1399         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
1400         _smulsi3_highpart.
1401         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
1402         New functions.
1403         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
1404         patterns.
1405
1406 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
1407
1408         * c-common.c (get_priority): Add check for
1409         SUPPORTS_INIT_PRIORITY.
1410
1411 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
1412
1413         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
1414
1415         * config/bfin/bfin.c: Include "cfglayout.h".
1416         (MAX_LSETUP_DISTANCE): New macro.
1417         (struct loop_info): New members incoming, incoming_src and
1418         incoming_dest.  Delete member predecessor.
1419         (length_for_loop): New function.
1420         (bfin_optimize_loop): Handle more different loop structures.
1421         (bfin_discover_loop): Rework detection of predecessor blocks by
1422         examining incoming edges.
1423         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
1424         bfin_reorg_loops.
1425         (bfin_reorder_loops): New function.
1426         (bfin_reorg_loops): Use these three new functions.
1427
1428         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
1429         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
1430         (CONSTRAINT_LEN): Add entry for 'q'.
1431         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
1432         Add 'q' constraints.
1433         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
1434         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
1435
1436         * config/bfin/bfin.md (add_with_carry): New pattern.
1437         (s_or_u, su_optab, su_modifier): New code macros/attrs.
1438         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
1439         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
1440         support unsigned multiplies too.  Removed incorrect commutativity from
1441         operand 1 constraint where appropriate.
1442         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
1443         patterns.
1444         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
1445         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
1446         New patterns.
1447         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
1448         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
1449         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
1450         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
1451         usmulhisi_hh_huh): New patterns.
1452
1453         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
1454         lshifthi3): Fix output template to use half reg for operand 2.
1455
1456         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
1457         instead of R2.
1458
1459         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
1460
1461 2007-02-27  Andreas Schwab  <schwab@suse.de>
1462
1463         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
1464
1465 2007-02-27  Jan Hubicka  <jh@suse.cz>
1466
1467         * predict.c (last_basic_block_p): Remove.
1468         (tree_estimate_probability): Update return heuristic for commonized
1469         return blocks.
1470
1471 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
1472
1473         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
1474
1475 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
1476
1477         * doc/include/gcc-common.texi (versionsubtitle): New macro.
1478         * doc/cpp.texi: Standardize title page.
1479         * doc/cppinternals.texi: Likewise.
1480         * doc/gcc.texi: Standardize title page, remove version number
1481         from copyright page.
1482         * doc/gccint.texi: Likewise.
1483         * doc/install.texi: Standardize title page, add table of
1484         contents.
1485
1486 2007-02-26  Jan Hubicka  <jh@suse.cz>
1487
1488         * predict.def: Set outcomes according to more recent results.
1489         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
1490         Remove dead predictors.
1491         * predict.c (return_prediction): Fix pasto.
1492
1493 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
1494
1495         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
1496         change; avoid a memory leak when returning early.
1497
1498 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
1499
1500         * c-decl.c (static_ctors): Move to c-common.c.
1501         (static_dtors): Likewise.
1502         (finish_function): Use c_record_cdtor_fn.
1503         (build_cdtor): Move to c-common.c.
1504         (c_write_global_declarations): Use c_build_cdtor_fns.
1505         * c-common.h (static_ctors): Declare.
1506         (static_dtors): Likewise.
1507         (c_record_cdtor_fn): Likewise.
1508         (c_build_cdtor_fns): Likewise.
1509         * c-common.c (static_ctors): New variable.
1510         (static_dtors): Likewise.
1511         (c_record_cdtor_fn): New function.
1512         (build_cdtor): Move from c-decl.c
1513         (c_build_cdtor_fns): New function.
1514
1515         * output.h (assemble_addr_to_section): Declare.
1516         (get_cdtor_priority_section): Likewise.
1517         * varasm.c (assemble_addr_to_section): New function.
1518         (get_cdtor_priority_section): Likewise.
1519         (default_named_section_asm_out_destructor): Use them.
1520         (destor_dtor_section_asm_out_destructor): Likewise.
1521         (default_named_section_asm_out_constructor): Likewise.
1522         (default_ctor_section_asm_out_constructor): Likewise.
1523         * config.gcc (*-*-vxworks*): Include vxworks.o.
1524         * config/t-vxworks (vxworks.o): New target.
1525         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
1526         (TARGET_ASM_CONSTRUCTOR): Define.
1527         (TARGET_ASM_DESTRUCTOR): Likewise.
1528         (vxworks_asm_out_constructor): Declare.
1529         (vxworks_asm_out_destructor): Likewise.
1530
1531         * c-common.c (get_priority): Check that we have not just an
1532         INTEGER_CST, but an integer constant with integeral type.
1533
1534 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
1535
1536         PR tree-optimization/30938
1537         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
1538         use &dt[nargs-1] instead of &dt[nargs] in the call to
1539         vect_is_simple_use().
1540
1541 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
1542
1543         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
1544         from register elimination as PRE_MODIFY / POST_MODIFY increments.
1545         Do not attempt to handle MEM inside auto-inc expressions.
1546         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
1547         of a register modified by an auto-inc expression.  However, do handle
1548         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
1549         (elimination_effects): Prohibit elimination of a register modified
1550         by an auto-inc expression.  Disable register elimination rules whose
1551         target register is modified by an auto-inc expression with variable
1552         increment.
1553
1554 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
1555
1556         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
1557         off-by-one error.
1558         (array_at_struct_end_p): New function.
1559         (idx_infer_loop_bounds): Use it.
1560         (estimate_numbers_of_iterations_loop): Export.
1561         * predict.c (predict_loops): Use estimated_loop_iterations_int.
1562         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
1563         (tree_estimate_probability): Call record_loop_exits.
1564         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
1565         (estimated_loop_iterations, estimated_loop_iterations_int,
1566         estimated_loop_iterations_tree): New functions.
1567         (analyze_siv_subscript_cst_affine,
1568         compute_overlap_steps_for_affine_1_2,
1569         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
1570         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
1571         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
1572         (PRED_LOOP_ITERATIONS_GUESSED): New.
1573         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
1574         * cfgloop.h (estimate_numbers_of_iterations_loop,
1575         estimated_loop_iterations_int): Declare.
1576
1577 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
1578
1579         * doc/extend.texi: Document optional priority argument to
1580         constructors and destructors.
1581         * tree.c (init_priority_for_decl): Adjust GTY markers.
1582         (init_ttree): Use priority-info hash functions for
1583         init_priority_for_decl.
1584         (tree_map_eq): Rename to ...
1585         (tree_map_base_eq): ... this.
1586         (tree_map_marked_p): Rename to ...
1587         (tree_map_base_marked_p): ... this.
1588         (tree_map_base_hash): New function.
1589         (decl_init_priority_lookup): Rework.
1590         (decl_fini_priority_lookup): New function.
1591         (decl_priority_info): New function.
1592         (decl_init_priority_insert): Use it.
1593         (decl_fini_priority_insert): Likewise.
1594         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
1595         hierarchy.
1596         (decl_restrict_base_insert): Likewise.
1597         (decl_debug_expr_insert): Likewise.
1598         (decl_value_expr_lookup): Likewise.
1599         (decl_value_expr_insert): Likewise.
1600         * tree.h (priority_type): New type.
1601         (decl_init_priority_lookup): Use priority_type.
1602         (decl_fini_priority_lookup): New function.
1603         (decl_init_priority_insert): Use priority_type.
1604         (decl_fini_priority_insert): New function.
1605         (DECL_HAS_INIT_PRIORITY): Tweak comments.
1606         (DECL_INIT_PRIORITY): Likewise.
1607         (SET_DECL_INIT_PRIORITY): Add comment.
1608         (DECL_FINI_PRIORITY): New macro.
1609         (SET_DECL_FINI_PRIORITY): Likewise.
1610         (DEFAULT_INIT_PRIORITY): Document.
1611         (MAX_INIT_PRIORITY): Likewise.
1612         (MAX_RESERVED_INIT_PRIORITY): Likewise.
1613         (tree_map_base): New type.
1614         (tree_map_base_eq): New function.
1615         (tree_map_base_hash): Likewise.
1616         (tree_map_base_marked_p): Likewise.
1617         (tree_map): Inherit from tree_map_base.
1618         (tree_map_eq): Make it a macro.
1619         (tree_map_marked_p): Likewise.
1620         (tree_int_map): Inherit from tree_map_base.
1621         (tree_int_map_eq): Make it a macro.
1622         (tree_int_map_hash): Likewise.
1623         (tree_int_map_marked_p): Likewise.
1624         (tree_priority_map): New type.
1625         (tree_priority_map_eq): New macro.
1626         (tree_priority_map_hash): Likewise.
1627         (tree_priority_map_marked_p): Likewise.
1628         * varasm.c (emults_decl): Adjust for refactoring of tree_map
1629         hierarchy.
1630         (emutls_common_1): Likewise.
1631         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
1632         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
1633         of tree_map hierarchy.
1634         * tree-cfg.c (move_stmt_r): Likewise.
1635         (new_label_mapper): Likewise.
1636         * c-tree.h (c_expand_body): Move to ...
1637         * c-common.h (c_expand_body): ... here.
1638         * c-decl.c (c_expand_body): Move to ...
1639         * c-common.c (c_expand_body): ... here.
1640         (c_common_attribute_table): Allow 1 argument for the constructor
1641         and destructor attributes.
1642         (get_priority): New function.
1643         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
1644         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
1645
1646 2007-02-24  Jan Hubicka  <jh@suse.cz>
1647
1648         PR middle-end/30509
1649         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
1650
1651 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
1652             Jan Hubicka  <jh@suse.cz>
1653
1654         PR target/30778
1655         * i386.c (counter_mode): New function.
1656         (expand_set_or_movmem_via_loop): Use it.
1657         (expand_movmem_epilogue): Likewise; fix pasto.
1658         (ix86_expand_movmem): Do emit guard even for constant counts.
1659         (ix86_expand_setmem): Likewise.
1660
1661 2007-02-25  Nick Clifton  <nickc@redhat.com>
1662
1663         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
1664         (JUMP_TABLES_IN_TEXT_SECTION): Define.
1665
1666 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
1667
1668         PR target/30770
1669         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
1670         count argument with 0x10, not with 0x16.
1671         (expand_setmem_epilogue): Ditto.
1672
1673 2007-02-24  Mike Stump  <mrs@apple.com>
1674
1675         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
1676         symbols.
1677
1678 2007-02-24  Richard Guenther  <rguenther@suse.de>
1679
1680         PR middle-end/30951
1681         * fold-const.c (fold_binary): Fold x +- CST op x for
1682         EQ_EXPR and NE_EXPR.
1683
1684 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1685
1686         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
1687
1688 2007-02-24  Jan Hubicka  <jh@suse.cz>
1689
1690         * cgraphunit.c (decide_is_function_needed): Honor
1691         -fkeep-inline-functions.
1692
1693 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1694
1695         * builtins.c (fold_builtin_modf): New.
1696         (fold_builtin_2): Use it.
1697
1698 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
1699
1700         * loop-iv.c (implies_p): Detect additional cases where A implies B.
1701         (determine_max_iter): Take additional LOOP arg; all callers changed.
1702         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
1703         one using simplifications.
1704         (simplify_using_initial_values): Return if the expression becomes
1705         invalid due to altered regs.
1706
1707 2007-02-23  DJ Delorie  <dj@redhat.com>
1708
1709         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
1710
1711 2007-02-23  Mike Stump  <mrs@apple.com>
1712
1713         * tlink.c (scan_linker_output): Parse linker messages from
1714         darwin9's linker better.
1715
1716 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
1717
1718         PR debug/29614
1719         * varpool.c (varpool_assemble_pending_decls):  Set
1720         varpool_last_needed_node to null.
1721
1722 2007-02-23  DJ Delorie  <dj@redhat.com>
1723
1724         * config/i386/i386.c (ix86_data_alignment): Don't specify an
1725         alignment bigger than the object file can handle.
1726
1727 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
1728
1729         PR target/30825
1730         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
1731         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
1732         (*movsf_1): Penalize MMX moves.
1733
1734 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
1735
1736         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
1737         2^32-1 or more times unless flag_unsafe_loop_optimizations.
1738
1739         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
1740
1741 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1742
1743         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
1744         (fold_builtin_1): Use them.
1745         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
1746         BUILT_IN_SIGNIFICAND.
1747
1748 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
1749
1750         * config/i386/i386.c (bdesc_1arg): Initialize
1751         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
1752         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
1753         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
1754         and IX86_BUILTIN_MOVSLDUP.
1755
1756 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
1757
1758         PR rtl-optimization/30841
1759         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
1760
1761 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1762
1763         * builtins.c (fold_builtin_frexp): New.
1764         (fold_builtin_2): Use it.
1765
1766 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
1767
1768         * doc/invoke.texi (Spec Files): Document getenv spec function.
1769
1770         * gcc.c (getenv_spec_function): New function.
1771         (static_spec_functions): Add it.
1772         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
1773         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
1774         header files.
1775
1776 2007-02-22  Michael Matz  <matz@suse.de
1777
1778         PR c++/29433
1779         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
1780         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
1781
1782 2007-02-22  Ian Lance Taylor  <iant@google.com>
1783
1784         PR debug/30898
1785         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
1786         (mem_loc_descriptor): Call it.
1787
1788 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
1789             Ira Rosen  <irar@il.ibm.com>
1790
1791         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
1792
1793 2007-02-22  Ira Rosen  <irar@il.ibm.com>
1794
1795         PR tree-optimization/30843
1796         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
1797         stores only after all the group is vectorized.
1798
1799 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
1800
1801         PR tree-optimization/30858
1802         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
1803         in the reduction cycle have a single use in the loop.
1804         * tree-vectorizer.h (relevant): Add documentation.
1805
1806 2007-02-20  Mike Stump  <mrs@apple.com>
1807
1808         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
1809         * configure: Regenerate.
1810
1811 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
1812
1813         Change the defaults of some parameters and options.
1814         * config/spu/spu-protos.h (spu_optimization_options): Declare.
1815         * config/spu/spu.c (spu_optimization_options): Add.
1816         (spu_override_options): Change params in spu_optimization_options.
1817         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
1818
1819         Register 127 is only 16 byte aligned when used as a frame pointer.
1820         * config/spu/spu-protos.h (spu_init_expanders): Declare.
1821         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
1822         HARD_FRAME_POINTER_REGNUM.
1823         (spu_legitimate_address):  Use regno_aligned_for_reload.
1824         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
1825         aligned when frame_pointer_needed is true.
1826         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
1827         to 8 bits.
1828         * config/spu/spu.h (INIT_EXPANDERS): Define.
1829
1830         Make sure shift and rotate instructions have valid immediate operands.
1831         * config/spu/predicates.md (spu_shift_operand): Remove.
1832         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
1833         * config/spu/constraints.md (W, O): Extend range.
1834         * config/spu/spu.md (umask, nmask): Define.
1835         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
1836         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
1837         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
1838         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
1839         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
1840         (lshr<mode>3_reg):  Fix rtl description.
1841
1842         Make sure mulhisi immediate operands are valid.
1843         * config/spu/predicates.md (imm_K_operand): Add.
1844         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
1845
1846         Generate constants using fsmbi and andi.
1847         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
1848         (print_operand, spu_split_immediate, classify_immediate,
1849         fsmbi_const_p): Handle IC_FSMBI2.
1850
1851         Correctly handle a CONST_VECTOR containing symbols.
1852         * config/spu/spu.c (print_operand): Handle HIGH correctly.
1853         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
1854         (immediate_load_p): Allow symbols that use 2 instructions to create.
1855         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
1856         with symbols when flag_pic is set.
1857         (const_vector_immediate_p): New.
1858         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
1859         accept a CONST_VECTOR with symbols.
1860         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
1861         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
1862         correctly.
1863         * config/spu/spu.md (high, low): Delete.
1864         (low_<mode>): Define.
1865
1866         Remove INTRmode and INTR_REGNUM, which didn't work.
1867         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
1868         of INTR_REGNUM.
1869         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
1870         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
1871         peephole2 pattern): Don't use INTR or 131.
1872         (movintrcc): Delete.
1873         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
1874         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
1875         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
1876         (UNSPEC_SET_INTR): Add.
1877         * config/spu/spu-modes.def (INTR): Remove.
1878
1879         More accurate warnings about run-time relocations.
1880         * config/spu/spu.c (reloc_diagnostic): Test in_section.
1881
1882         Correctly warn about immediate arguments to specific intrinsics.
1883         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
1884         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
1885         the instruction predicate.
1886
1887         Fix tree check errors with latest update.
1888         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
1889         CALL_EXPR_ARG.
1890         (spu_expand_builtin): Use CALL_EXPR_FN.
1891
1892         Add missing specific intrinsics.
1893         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
1894         si_bislede.
1895         * config/spu/spu_internals.h: Ditto.
1896
1897         Fix incorrect operand modifiers.
1898         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
1899         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
1900
1901         Optimize one case of zero_extend of a vec_select.
1902         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
1903
1904         Accept any immediate for hbr.
1905         * config/spu/spu.md (hbr):  Change s constraints to i.
1906
1907 2007-02-21  Paul Brook  <paul@codesourcery.com>
1908
1909         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
1910         condexec_count when skipping USE and CLOBBER.
1911
1912 2007-02-21  Nick Clifton  <nickc@redhat.com>
1913
1914         * common.opt (Warray-bounds): Add Warning attribute.
1915         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
1916         Likewise.
1917         (fsized-zeroes): Add Optimization attribute.
1918         (fsplit-wide-types, ftree-scev-cprop): Likewise.
1919         * c.opt (Wc++0x-compat): Add Warning attribute.
1920
1921 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
1922
1923         PR middle-end/30761
1924         * reload1.c (eliminate_regs_in_insn): In the single_set special
1925         case, attempt to re-recognize the insn before falling back to
1926         having reload fix it up.
1927
1928 2007-02-20  Eric Christopher  <echristo@gmail.com>
1929
1930         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
1931         Rewrite accordingly.
1932         (frv_read_iacc_argument): Ditto.
1933         (frv_expand_set_builtin): Take a call instead of arglist, update for
1934         above changes.
1935         (frv_expand_unop_builtin): Ditto.
1936         (frv_expand_binop_builtin): Ditto.
1937         (frv_expand_cut_builtin): Ditto.
1938         (frv_expand_binopimm_builtin): Ditto.
1939         (frv_expand_voidbinop_builtin): Ditto.
1940         (frv_expand_int_void2arg): Ditto.
1941         (frv_expand_prefetches): Ditto.
1942         (frv_expand_voidtriop_builtin): Ditto.
1943         (frv_expand_voidaccop_builtin): Ditto.
1944         (frv_expand_load_builtin): Ditto.
1945         (frv_expand_store_builtin): Ditto.
1946         (frv_expand_mdpackh_builtin): Ditto.
1947         (frv_expand_mclracc_builtin): Ditto.
1948         (frv_expand_mrdacc_builtin): Ditto.
1949         (frv_expand_mwtacc_builtin): Ditto.
1950         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
1951         calls for above.
1952
1953 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
1954
1955         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
1956         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
1957         cmpb instruction.
1958         (HAVE_GAS_DFP): Check for assembler support of decimal floating
1959         point instructions.
1960         * configure: Regenerate.
1961         * config.in: Regenerate.
1962         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
1963         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
1964         masks to power6 and power6x and to POWERPC_MASKS.
1965         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1966         _ARCH_PWR6.
1967         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
1968         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
1969         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
1970         Access PROTOTYPE as variable, not mask.
1971
1972 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
1973
1974         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
1975         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
1976         * combine.c (adjust_for_new_dest): Use it.
1977         * postreload.c (reload_combine): Likewise.
1978
1979 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
1980
1981         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
1982         notes on an insn with multiple sets, even if single_set returns
1983         non-NULL for that insn.
1984
1985 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1986
1987         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
1988         scalbn and scalbln.
1989
1990 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
1991
1992         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
1993         if user didn't pass it.
1994         * config/i386/darwin.h (CC1_SPEC): Likewise.
1995         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
1996         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
1997         -mmacosx-version-min.
1998
1999 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2000             Uros Bizjak  <ubizjak@gmail.com>
2001
2002         * optabs.h (enum optab_index): Add new OTI_scalb.
2003         (scalb_optab): Define corresponding macro.
2004         * optabs.c (init_optabs): Initialize scalb_optab.
2005         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
2006         patterns.
2007         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
2008         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
2009         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
2010         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
2011         flag_unsafe_math_optimizations is set.
2012
2013         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
2014         to implement scalbf, scalb and scalbl built-ins as inline x87
2015         intrinsics.
2016
2017 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2018             DJ Delorie <dj@redhat.com>
2019
2020         PR other/30824
2021         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
2022         (diagnostic_report_diagnostic): ... here, and turn them into real
2023         errors. If warnings are inhibited, no need to do anything.
2024
2025 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
2026
2027         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
2028         better code generation.
2029
2030 2007-02-20  Ben Elliston  <bje@au.ibm.com>
2031
2032         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
2033
2034 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
2035
2036         * config/alpha/alpha.c, config/alpha/alpha.md,
2037         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
2038         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
2039         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
2040         config/arm/lib1funcs.asm: Follow spelling conventions.
2041
2042         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
2043         config/fr30/fr30.md, config/i386/i386.h,
2044         config/iq2000/iq2000.h, config/iq2000/predicates.md,
2045         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
2046         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
2047         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
2048         config/rs6000/altivec.md, config/rs6000/rs6000.c,
2049         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
2050         config/sparc/sparc.c, config/sparc/sparc.h,
2051         config/sparc/sparc.md, config/spu/constraints.md,
2052         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
2053         conventions.
2054
2055 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
2056
2057         PR target/29943
2058         * varasm.c (use_blocks_for_decl_p): Return false for decls with
2059         alias attribute.
2060
2061 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
2062
2063         * doc/invoke.texi (-ftree-lrs): Remove.
2064
2065 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
2066
2067         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
2068         NULL.
2069
2070 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
2071
2072         * config/ia64/ia64.c (ia64_expand_builtin): Use the
2073         new CALL_EXPR_FN macro for retrieving the function
2074         declaration of the input expression.
2075
2076 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2077
2078         * c.opt (Waddress): New.
2079         * common.opt (Walways-true): Delete.
2080         (Wstring-literal-comparison): Delete.
2081         * doc/invoke.texi (Warning Options): Delete -Walways-true and
2082         -Wstring-literal-comparison. Add -Waddress.
2083         (Waddress): New.
2084         (Walways-true): Delete.
2085         (Wstring-literal-comparison): Delete.
2086         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
2087         consistently instead of -Walways-true in example.
2088         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
2089         * c-typeck.c (parser_build_binary_op): Replace
2090         -Wstring-literal-comparison and -Walways-true with -Waddress.
2091         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
2092         with -Waddress.
2093
2094 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
2095
2096         * tree-cfg.c (dump_function_to_file): Be prepared for functions
2097         without DECL_STRUCT_FUNCTION initialized.
2098
2099 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
2100
2101         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
2102         due to calls to functions taking pointers as parameters.
2103
2104 2007-02-19  Richard Henderson  <rth@redhat.com>
2105
2106         PR debug/29558
2107         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
2108         in memory.
2109
2110 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2111
2112         * config/s390/s390.c (s390_call_saved_register_used,
2113         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
2114         accessed to the new scheme.
2115
2116 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
2117
2118         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
2119         (cris_print_index, cris_print_operand, cris_print_operand_address)
2120         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
2121         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
2122         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
2123         GET_CODE () == xxx.
2124         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
2125         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
2126         GO_IF_LEGITIMATE_ADDRESS): Ditto.
2127         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
2128         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
2129         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
2130         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
2131         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
2132         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
2133         (uminsi3, call, call_value): Ditto.
2134         (define_split: indir_to_reg_split, unnamed): Ditto.
2135
2136 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
2137
2138         PR tree-optimization/30975
2139         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
2140         wrong assert.
2141
2142 2007-02-18  Eric Christopher  <echristo@gmail.com>
2143
2144         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
2145         Remove use of arglist.
2146         (mips_expand_builtin): Remove use of arglist, pass in expr.
2147         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
2148         (mips_expand_builtin_movtf): Ditto.
2149         (mips_expand_builtin_compare): Ditto.
2150
2151 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
2152
2153         * tree-sra.c (sra_build_assignment): Replace assertion
2154         checking with a comment explaining why it can't be done.
2155
2156 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
2157
2158         PR middle-end/30833
2159         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
2160         during CALL_EXPR representation conversion.
2161         * tree-ssa-propagate.c (set_rhs): Likewise.
2162
2163 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
2164
2165         * tree-sra.c (sra_build_assignment): Disable assertion checking
2166         for now.
2167
2168 2007-02-18  Roger Sayle  <roger@eyesopen.com>
2169
2170         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
2171         instead of calling build2 with a GIMPLE_MODIFY_STMT.
2172         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
2173         Likewise.
2174         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
2175         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
2176         gimplify_init_ctor_eval_range, gimple_push_cleanup,
2177         gimplify_omp_for, gimplify_omp_atomic_pipeline,
2178         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
2179         force_gimple_operand): Likewise.
2180         * ipa-cp.c (constant_val_insert): Likewise.
2181         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2182         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
2183         perfect_nestify): Likewise.
2184         * langhooks.c (lhd_omp_assignment): Likewise.
2185         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
2186         lower_copyprivate_clauses, lower_send_clauses,
2187         lower_send_shared_vars, expand_parallel_call,
2188         expand_omp_for_generic, expand_omp_for_static_nochunk,
2189         expand_omp_for_static_chunk, expand_omp_sections,
2190         lower_omp_single_copy, lower_omp_for_lastprivate,
2191         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
2192         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
2193         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
2194         Likewise.
2195
2196 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
2197
2198         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
2199         config/sh/sh.md: Follow spelling conventions.
2200
2201         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
2202         config/frv/predicates.md: Follow spelling conventions.
2203
2204         * config/m68k/linux-unwind.h: Fix a comment typo.
2205         * target.h: Follow spelling conventions.
2206
2207 2007-02-18  Roger Sayle  <roger@eyesopen.com>
2208
2209         PR rtl-optimization/28173
2210         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
2211         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
2212         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
2213         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
2214         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
2215
2216 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2217
2218         * builtins.c (fold_builtin_load_exponent): New.
2219         (fold_builtin_2): Use it.
2220
2221 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
2222
2223         PR rtl-optimization/30773
2224         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
2225         if we fail to attach a REG_EQUIV note.
2226
2227 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
2228             Roger Sayle  <roger@eyesopen.com>
2229
2230         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
2231
2232 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
2233
2234         * calls.c (initialize_argument_information): Pass original EXP
2235         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
2236         code to split complex arguments here, as part of initializing the
2237         ARGS array.
2238         (expand_call): Remove code that builds a list of arguments and
2239         inserts implicit arguments into it.  Instead, just count how many
2240         implicit arguments there will be so we can determine the size of
2241         the ARGS array, and let initialize_argument_information do the work.
2242         (split_complex_values): Delete unused function.
2243
2244 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
2245
2246         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
2247
2248 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
2249
2250         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
2251         for arg pointer based indexed addressing.
2252
2253 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
2254
2255         * config/ia64/ia64.h, config/ia64/ia64.md,
2256         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
2257         spelling conventions.
2258
2259 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
2260
2261         * config/m68k/m68k.c (split_di): New.
2262         * config/m68k/m68k-protos.h: Declare split_di.
2263         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
2264           Improve predicate handling and split constant shifts.
2265
2266 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
2267
2268         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
2269         parameter for register bitfield operations, general predicates
2270         cleanup
2271
2272 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
2273
2274         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
2275         * config/m68k/linux-unwind.h: New file.
2276
2277 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
2278
2279         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
2280         config/i386/athlon.md, config/ia64/ia64.md,
2281         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
2282         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
2283         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
2284         tree-ssa-loop-niter.c, tree-vect-analyze.c,
2285         tree-vect-transform.c: Fix comment typos.
2286
2287 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
2288
2289         * sched-deps.c (find_insn_list): Remove.
2290         * sched-int.h: Remove the prototype for find_insn_list.
2291
2292 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
2293
2294         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
2295         to linker.
2296         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
2297         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
2298         darwin_rs6000_override_options.
2299         (C_COMMON_OVERRIDE_OPTIONS): Expect
2300         darwin_macosx_version_min to be non-NULL always.
2301         (TARGET_C99_FUNCTIONS): Likewise.
2302         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
2303         (DARWIN_MINVERSION_SPEC): New.
2304         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
2305         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
2306         to cc1*.
2307         (DARWIN_MINVERSION_SPEC): New.
2308         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
2309         value.
2310         * config/darwin-c.c (darwin_cpp_builtins): Expect
2311         darwin_macosx_version_min to be non-NULL always.
2312
2313         * config/rs6000/rs6000.c: Clean up trailing whitespace.
2314
2315 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
2316
2317         * config/i386/i386.h (x86_use_xchgb): New.
2318         (TARGET_USE_XCHGB): New macro.
2319         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
2320         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
2321         Split after reload into bswaphi for shifts of 8.
2322         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
2323         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
2324         or when optimizing for size.
2325
2326 2007-02-16  Richard Guenther  <rguenther@suse.de>
2327             Christian Bruel  <christian.bruel@st.com>
2328
2329         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
2330         DECLs but prefer SSA_NAMEs over DECLs.
2331
2332 2007-02-16  Richard Guenther  <rguenther@suse.de>
2333
2334         * tree-flow-inline.h (single_imm_use_p): Remove.
2335         (zero_imm_uses_p): Likewise.
2336         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
2337         instead of single_imm_use_p.
2338         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
2339         zero_imm_uses_p.
2340
2341 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2342
2343         PR other/27843
2344         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
2345         nested double- and backquotes.
2346
2347 2007-02-15  Roger Sayle  <roger@eyesopen.com>
2348
2349         PR middle-end/30391
2350         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
2351         should be unreachable.
2352         (build2_stat): Allow construction of MODIFY_EXPR at any time.
2353         For the time being redirect GIMPLE_MODIFY_STMT to the new
2354         (renamed) build_gimple_modify_stmt_stat.
2355         (build2_gimple_stat): Rename to...
2356         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
2357         Always build a GIMPLE_MODIFY_STMT node.
2358         * tree.h (build2_gimple, build2_gimple_stat): Delete.
2359         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
2360         declarations.
2361
2362         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
2363         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
2364         * tree-complex.c (set_component_ssa_name, expand_complex_move,
2365         expand_complex_div_wide): Likewise.
2366         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
2367         * tree-ssa-loop-im.c (schedule_sm): Likewise.
2368         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
2369         * tree-ssa-loop-manip.c (create_iv): Likewise.
2370         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
2371         abs_replacement): Likewise.
2372         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
2373         realify_fake_stores): Likewise.
2374
2375         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
2376         node rather than a GIMPLE_MODIFY_STMT node.
2377         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
2378         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
2379         Likewise.
2380         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
2381         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
2382         GIMPLE_MODIFY_STMT.
2383
2384 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2385
2386         PR middle-end/30433
2387         * fold-const.c (fold_comparison): Add back the
2388         folding of constant complex comparisions.
2389
2390 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2391
2392         PR middle-end/30729
2393         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
2394         effects unknown to this function, return early.
2395
2396 2007-02-15  Ian Lance Taylor  <iant@google.com>
2397
2398         * lower-subreg.c (move_eh_region_note): New static function.
2399         (resolve_simple_move): Call it.
2400         (decompose_multiword_subregs): Track blocks for which we resolve a
2401         simple move which is also a control flow insn.  Pass them to
2402         find_many_sub_basic_blocks.
2403         (pass_lower_subreg): Add TODO_verify_flow.
2404         (pass_lower_subreg2): Likewise.
2405
2406 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2407             Brooks Moses  <brooks.moses@codesourcery.com>
2408             Lee Millward  <lee.millward@codesourcery.com>
2409
2410         * tree.h (enum tree_code_class): Add tcc_vl_exp.
2411         (VL_EXP_CLASS_P): New.
2412         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
2413         TREE_CODE_LENGTH.
2414         (TREE_OPERAND_CHECK_CODE): Likewise.
2415         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
2416         (TREE_RTL_OPERAND_CHECK): Likewise.
2417         (tree_operand_check_failed): Make second parameter the whole tree
2418         instead of its code.  Fixed callers.
2419         (VL_EXP_CHECK): New.
2420         (TREE_OPERAND_LENGTH): New.
2421         (VL_EXP_OPERAND_LENGTH): New.
2422         (CALL_EXPR_FN): New.
2423         (CALL_EXPR_STATIC_CHAIN): New.
2424         (CALL_EXPR_ARGS): New.
2425         (CALL_EXPR_ARG): New.
2426         (call_expr_nargs): New.
2427         (CALL_EXPR_ARGP): New.
2428         (build_nt_call_list): Declare.
2429         (build_vl_exp_stat): Declare.
2430         (build_vl_exp): New.
2431         (build_call_list): Declare.
2432         (build_call_nary): Declare.
2433         (build_call_valist): Declare.
2434         (build_call_array): Declare.
2435         (call_expr_arg): Declare.
2436         (call_expr_argp): Declare.
2437         (call_expr_arglist): Declare.
2438         (fold_build_call_list): Declare.
2439         (fold_build_call_list_initializer): Declare.
2440         (fold_call_expr): Declare to replace fold_builtin.
2441         (fold_builtin_fputs): Update to agree with modified definition.
2442         (fold_builtin_strcpy): Likewise.
2443         (fold_builtin_strncpy): Likewise.
2444         (fold_builtin_memory_chk): Likewise.
2445         (fold_builtin_stxcpy_chk): Likewise.
2446         (fold_builtin_strncpy_chk): Likewise.
2447         (fold_builtin_next_arg): Likewise.
2448         (fold_build_call_expr): Declare.
2449         (fold_builtin_call_list): Declare.
2450         (fold_builtin_call_valist): Declare.
2451         (build_call_expr): Declare.
2452         (validate_arglist): Update to agree with modified definition.
2453         (tree_operand_length): New.
2454         (call_expr_arg_iterator): New.
2455         (init_call_expr_arg_iterator): New.
2456         (next_call_expr_arg): New.
2457         (first_call_expr_arg): New.
2458         (more_call_expr_args_p): New.
2459         (FOR_EACH_CALL_EXPR_ARG): New.
2460
2461         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
2462         and tcc_gimple_stmt.
2463         (tree_code_size): Update documentation.  Use sizeof (tree) rather
2464         than sizeof (char *).
2465         (tree_size): Likewise.  Add case for tcc_vl_exp.
2466         (tree_node_structure): Add case for tcc_vl_exp.
2467         (contains_placeholder_p): Likewise.
2468         (substitute_in_expr): Likewise.
2469         (substitute_placeholder_in_expr): Likewise.
2470         (stabilize_reference_1): Likewise.
2471         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
2472         to diagnose breakage of this interface for constructing CALL_EXPRs.
2473         (build_nt): Add similar assertion here.
2474         (build_nt_call_list): New.
2475         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
2476         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
2477         TREE_CODE_LENGTH.
2478         (get_callee_fndecl): Use new CALL_EXPR accessors.
2479         (tree_operand_check_failed): Change parameters to pass entire node
2480         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
2481         (process_call_operands): New.
2482         (build_vl_exp_stat): New.
2483         (build_call_list): New.
2484         (build_call_nary): New.
2485         (build_call_valist): New.
2486         (build_call_array): New.
2487         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2488         (call_expr_arglist): New.
2489
2490         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
2491         tcc_vl_exp instead of a fixed-size tcc_expression.
2492
2493         * doc/c-tree.texi (CALL_EXPR): Document new representation and
2494         accessors for CALL_EXPRs.
2495         (AGGR_INIT_EXPR): Likewise.
2496
2497 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2498             Brooks Moses  <brooks.moses@codesourcery.com>
2499             Lee Millward  <lee.millward@codesourcery.com>
2500
2501         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
2502         (expand_builtin_nonlocal_goto): Change parameter to be entire
2503         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
2504         (expand_builtin_prefetch): Likewise.
2505         (expand_builtin_classify_type): Likewise.
2506         (mathfn_built_in): Return NULL_TREE instead of 0.
2507         (expand_errno_check): Use new CALL_EXPR accessors.
2508         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
2509         Return NULL_RTX instead of 0.
2510         (expand_builtin_mathfn_2): Likewise.
2511         (expand_builtin_mathfn_3): Likewise.
2512         (expand_builtin_interclass_mathfn): Likewise.
2513         (expand_builtin_sincos): Likewise.
2514         (expand_builtin_cexpi): Likewise.
2515         (expand_builtin_int_roundingfn): Likewise.
2516         (expand_builtin_int_roundingfn_2): Likewise.
2517         (expand_builtin_pow): Likewise.
2518         (expand_builtin_powi): Likewise.
2519         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
2520         of arglist, fixing callers appropriately.  Use new CALL_EXPR
2521         accessors and constructors.  Return NULL_RTX instead of 0.
2522         (expand_builtin_strstr): Likewise.
2523         (expand_builtin_strchr): Likewise.
2524         (expand_builtin_strrchr): Likewise.
2525         (expand_builtin_strpbrk): Likewise.
2526         (expand_builtin_memcpy): Likewise.
2527         (expand_builtin_mempcpy): Likewise.
2528         (expand_builtin_mempcpy_args): New.
2529         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
2530         (expand_builtin_memmove_args): New.
2531         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
2532         (expand_movstr): Likewise.
2533         (expand_builtin_strcpy): Likewise.
2534         (expand_builtin_strcpy_args): New.
2535         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
2536         (expand_builtin_strncpy): Likewise.
2537         (expand_builtin_memset): Likewise.
2538         (expand_builtin_memset_args): New.
2539         (expand_builtin_bzero): Similarly to expand_builtin_memset.
2540         (expand_builtin_memcmp): Likewise.
2541         (expand_builtin_strcmp): Likewise.
2542         (expand_builtin_strncmp): Likewise.
2543         (expand_builtin_strcat): Likewise.
2544         (expand_builtin_strncat): Likewise.
2545         (expand_builtin_strspn): Likewise.
2546         (expand_builtin_strcspn): Likewise.
2547         (expand_builtin_args_info): Likewise.
2548         (expand_builtin_va_start): Likewise.
2549         (gimplify_va_arg_expr): Likewise.
2550         (expand_builtin_va_end): Likewise.
2551         (expand_builtin_va_copy): Likewise.
2552         (expand_builtin_frame_address): Likewise.
2553         (expand_builtin_alloca): Likewise.
2554         (expand_builtin_bswap): Likewise.
2555         (expand_builtin_unop): Likewise.
2556         (expand_builtin_fputs): Likewise.
2557         (expand_builtin_expect): Likewise.
2558         (expand_builtin_fabs): Likewise.
2559         (expand_builtin_copysign): Likewise.
2560         (expand_builtin_printf): Likewise.
2561         (expand_builtin_fprintf): Likewise.
2562         (expand_builtin_sprintf): Likewise.
2563         (expand_builtin_init_trampoline): Likewise.
2564         (expand_builtin_signbit): Likewise.
2565         (expand_builtin_fork_or_exec): Likewise.
2566         (expand_builtin_sync_operation): Likewise.
2567         (expand_builtin_compare_and_swap): Likewise.
2568         (expand_builtin_lock_test_and_set): Likewise.
2569         (expand_builtin_lock_release): Likewise.
2570         (expand_builtin): Likewise.
2571         (builtin_mathfn_code): Likewise.
2572
2573         (fold_builtin_constant_p): Pass call arguments individually instead
2574         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
2575         accessors and constructors.  Return NULL_TREE instead of 0.
2576         (fold_builtin_expect): Likewise.
2577         (fold_builtin_classify_type): Likewise.
2578         (fold_builtin_strlen): Likewise.
2579         (fold_builtin_nan): Likewise.
2580         (integer_valued_real_p): Likewise.
2581         (fold_trunc_transparent_mathfn): Likewise.
2582         (fold_fixed_mathfn): Likewise.
2583         (fold_builtin_cabs): Likewise.
2584         (fold_builtin_sqrt): Likewise.
2585         (fold_builtin_cbrt): Likewise.
2586         (fold_builtin_cos): Likewise.
2587         (fold_builtin_cosh): Likewise.
2588         (fold_builtin_tan): Likewise.
2589         (fold_builtin_sincos): Likewise.
2590         (fold_builtin_cexp): Likewise.
2591         (fold_builtin_trunc): Likewise.
2592         (fold_builtin_floor): Likewise.
2593         (fold_builtin_ceil): Likewise.
2594         (fold_builtin_round): Likewise.
2595         (fold_builtin_int_roundingfn): Likewise.
2596         (fold_builtin_bitop): Likewise.
2597         (fold_builtin_bswap): Likewise.
2598         (fold_builtin_logarithm): Likewise.
2599         (fold_builtin_hypot): Likewise.
2600         (fold_builtin_pow): Likewise.
2601         (fold_builtin_powi): Likewise.
2602         (fold_builtin_exponent): Likewise.
2603         (fold_builtin_memset): Likewise.
2604         (fold_builtin_bzero): Likewise.
2605         (fold_builtin_memory_op): Likewise.
2606         (fold_builtin_bcopy): Deleted; call site changed to invoke
2607         fold_builtin_memory_op directly.
2608         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
2609         (fold_builtin_strncpy): Likewise.
2610         (fold_builtin_memcmp): Likewise.
2611         (fold_builtin_strcmp): Likewise.
2612         (fold_builtin_strncmp): Likewise.
2613         (fold_builtin_signbit): Likewise.
2614         (fold_builtin_copysign): Likewise.
2615         (fold_builtin_isascii): Likewise.
2616         (fold_builtin_toascii): Likewise.
2617         (fold_builtin_isdigit): Likewise.
2618         (fold_builtin_fabs): Likewise.
2619         (fold_builtin_abs): Likewise.
2620         (fold_builtin_fmin_fmax): Likewise.
2621         (fold_builtin_carg): Likewise.
2622         (fold_builtin_classify): Likewise.
2623         (fold_builtin_unordered_cmp): Likewise.
2624
2625         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
2626         New functions split out from fold_builtin_1.
2627         (fold_builtin_n): New.
2628         (fold_builtin_varargs): New.
2629         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
2630         instead.
2631         (fold_call_expr): New.
2632         (build_function_call_expr): Rewrite to use new helper function.
2633         (fold_builtin_call_list): New.
2634         (build_call_expr): New.
2635         (fold_builtin_call_valist): New.
2636         (rewrite_call_expr): New.
2637         (validate_arg): New.
2638         (validate_arglist): Change parameter to be entire CALL_EXPR instead
2639         of an arglist.  Change return type to bool.  Use new CALL_EXPR
2640         accessors.
2641
2642         (fold_builtin_strstr):  Pass call arguments individually instead
2643         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
2644         accessors and constructors.  Return NULL_TREE instead of 0.
2645         (fold_builtin_strchr): Likewise.
2646         (fold_builtin_strrchr): Likewise.
2647         (fold_builtin_strpbrk): Likewise.
2648         (fold_builtin_strcat): Likewise.
2649         (fold_builtin_strncat): Likewise.
2650         (fold_builtin_strspn): Likewise.
2651         (fold_builtin_strcspn): Likewise.
2652         (fold_builtin_fputs): Likewise.
2653         (fold_builtin_next_arg): Likewise.
2654         (fold_builtin_sprintf): Likewise.
2655
2656         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
2657         NULL_RTX instead of 0.
2658         (expand_builtin_memory_chk): Likewise.
2659         (maybe_emit_chk_warning): Likewise.
2660         (maybe_emit_sprintf_chk_warning): Likewise.
2661
2662         (fold_builtin_object_size): Pass call arguments individually instead
2663         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
2664         accessors and constructors.  Return NULL_TREE instead of 0.
2665         (fold_builtin_memory_chk): Likewise.
2666         (fold_builtin_stxcpy_chk): Likewise.
2667         (fold_builtin_strncpy_chk): Likewise.
2668         (fold_builtin_strcat_chk): Likewise.
2669         (fold_builtin_strcat_chk): Likewise.
2670         (fold_builtin_strncat_chk): Likewise.
2671         (fold_builtin_sprintf_chk): Likewise.
2672         (fold_builtin_snprintf_chk): Likewise.
2673         (fold_builtin_printf): Likewise.
2674         (fold_builtin_vprintf): Likewise.
2675
2676         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
2677         constructors.
2678         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
2679         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2680         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
2681         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
2682         (fold_unary): Likewise.
2683         (fold_binary): Likewise.
2684         (fold_ternary): Remove CALL_EXPR case, since they are no longer
2685         ternary expressions.
2686         (fold): Add logic for tcc_vl_exp.
2687         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
2688         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2689         (fold_build3_stat): Add assertion to flag broken interface for
2690         constructing CALL_EXPRs.
2691         (fold_build_call_list): New.
2692         (fold_build_call_list_initializer): New.
2693         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
2694         constructors.
2695         (fold_strip_sign_ops): Likewise.
2696
2697 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2698             Brooks Moses  <brooks.moses@codesourcery.com>
2699             Lee Millward  <lee.millward@codesourcery.com>
2700
2701         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
2702         accessors and dump arguments explicitly.
2703
2704         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
2705         TREE_CODE_LENGTH.
2706         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
2707         explicitly.
2708         (print_call_name): Use new CALL_EXPR accessors.
2709
2710         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
2711         CALL_EXPR arguments explicitly instead of as a list.  Use
2712         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2713
2714         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
2715         (vrp_visit_stmt): Likewise.
2716
2717         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
2718         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
2719         TREE_CODE_LENGTH.
2720         (force_move_till_expr): Likewise.
2721
2722         * targhooks.c (default_external_stack_protect_fail): Use
2723         build_call_expr instead of build_function_call_expr.
2724         (default_hidden_stack_protect_fail): Likewise.
2725
2726         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
2727         build the call.
2728
2729         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
2730         and walk arguments explicitly.
2731
2732         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
2733         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2734         (expand_simple_operations): Likewise.
2735         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
2736
2737         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
2738         of TREE_CODE_LENGTH.
2739         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
2740
2741         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
2742         instead of TREE_CODE_LENGTH.
2743
2744         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
2745         (tree_ic_transform): Likewise.
2746         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
2747         parameter instead of arglist.  Fix callers.
2748         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
2749         (tree_stringops_transform): Likewise.
2750         (tree_indirect_call_to_profile): Likewise.
2751         (tree_stringops_values_to_profile): Likewise.
2752
2753         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
2754         (eliminate_tail_call): Likewise.
2755
2756         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
2757
2758         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
2759         Use TREE_OPERAND_LENGTH and generalize to handle any number of
2760         operands.
2761         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
2762
2763         * omp-low.c (build_omp_barrier): Use build_call_expr.
2764         (lower_rec_input_clauses): Likewise.
2765         (lower_reduction_clauses): Likewise.
2766         (expand_parallel_call): Likewise.
2767         (maybe_catch_exception): Likewise.
2768         (expand_omp_for_generic): Likewise.
2769         (expand_omp_for_static_nochunk): Likewise.
2770         (expand_omp_sections): Likewise.
2771         (lower_omp_single_simple): Likewise.
2772         (lower_omp_single_copy): Likewise.
2773         (lower_omp_master): Likewise.
2774         (lower_omp_ordered): Likewise.
2775         (lower_omp_critical): Likewise.
2776
2777         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
2778         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
2779
2780         * tree-gimple.c (is_gimple_call_addr): Fix doc.
2781         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
2782         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
2783
2784         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
2785         and generalize to handle any number of operands.
2786         (chrec_contains_undetermined): Likewise.
2787         (tree_contains_chrecs): Likewise.
2788         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
2789
2790         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
2791
2792         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
2793         fold_call_expr instead of fold_builtin.
2794         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
2795         match declarations there.
2796         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
2797         updates.
2798
2799         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
2800         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2801
2802         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
2803         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
2804
2805         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
2806         accessors.
2807
2808         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
2809         (execute_cse_sincos): Use new CALL_EXPR accessors.
2810
2811         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
2812
2813         * gimple-low.c (lower_function_body): Use build_call_expr.
2814         (lower_builtin_setjmp): Likewise.
2815
2816         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
2817         (set_storage_via_libcall): Likewise.
2818         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
2819         instead of TREE_CODE_LENGTH.
2820         (expand_expr_real_1): Use new CALL_EXPR accessors.
2821
2822         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
2823         generalize to handle any number of operands.
2824         (TB_parent_eq): Likewise.
2825
2826         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
2827         (strip_builtin_expect): Likewise.
2828
2829         * function.c (gimplify_parameters): Use build_call_expr.
2830
2831         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
2832         instead of TREE_CODE_LENGTH.
2833
2834         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
2835         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
2836
2837         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
2838         iterators.
2839
2840         * gimplify.c (build_stack_save_restore): Use build_call_expr.
2841         (gimplify_decl_expr): Likewise.
2842         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
2843         Use new CALL_EXPR iterators.
2844         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
2845         (gimplify_modify_expr_to_memset): Likewise.
2846         (gimplify_variable_sized_compare): Likewise.
2847         (gimplify_omp_atomic_fetch_op): Likewise.
2848         (gimplify_omp_atomic_pipeline): Likewise.
2849         (gimplify_omp_atomic_mutex): Likewise.
2850         (gimplify_function_tree): Likewise.
2851
2852         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
2853         (call_expr_flags): Likewise.
2854         (expand_call): Likewise.
2855
2856         * except.c (expand_builtin_eh_return_data_regno): Pass entire
2857         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
2858         accessors.
2859
2860         * coverage.c (create_coverage): Use build_call_expr.
2861
2862         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
2863         (temp_call_expr_obstack): New.
2864         (pool_copy_list): Delete.
2865         (temp_copy_call_expr): New.
2866         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
2867         CALL_EXPR accessors.  Get rid of special goo for copying argument
2868         lists and use temp_copy_call_expr instead.
2869         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
2870         CALL_EXPR accessors.
2871         (create_expression_by_pieces): Likewise.  Use build_call_array
2872         to construct the result instead of fold_build3.
2873         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
2874         dealing with argument lists.
2875         (init_pre): Remove references to expression_node_pool and
2876         list_node_pool.  Init temp_call_expr_obstack instead.
2877         (fini_pre): Remove references to expression_node_pool and
2878         list_node_pool.
2879
2880         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
2881         and walk arguments explicitly instead of as a list.
2882
2883         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
2884         (mx_register_decls): Likewise.
2885         (mudflap_register_call): Likewise.
2886         (mudflap_finish_file): Likewise.
2887
2888         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
2889         (ipa_callsite_compute_param): Likewise.
2890
2891         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
2892         accessors and constructor.
2893
2894         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
2895         accessors and constructor.
2896         (convert_tramp_reference): Likewise.
2897         (convert_call_expr): Likewise.
2898         (finalize_nesting_tree_1): Likewise.
2899
2900         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
2901         accessors.
2902
2903         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
2904
2905         * tree-inline.c (initialize_inlined_parameters): Pass entire
2906         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
2907         accessors.
2908         (estimate_num_insns_1): Use new CALL_EXPR accessors.
2909         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
2910
2911         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
2912         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2913         (vectorizable_reduction): Likewise.
2914         (vectorizable_call): Use new CALL_EXPR iterators.
2915         (vectorizable_conversion): Use build_call_expr.
2916         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
2917         (vect_gen_widened_results_half): Use build_call_expr.
2918         (vect_setup_realignment): Likewise.
2919         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
2920
2921         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
2922         (pass_through_call): Likewise.
2923         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
2924         fold_builtin.
2925
2926         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
2927         (tree_gen_pow2_profiler): Likewise.
2928         (tree_gen_one_value_profiler): Likewise.
2929         (tree_gen_ic_func_profiler): Likewise.
2930         (tree_gen_average_profiler): Likewise.
2931         (tree_gen_ior_profiler): Likewise.
2932
2933         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
2934         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
2935         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2936
2937         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
2938         of TREE_CODE_LENGTH.
2939
2940         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
2941         of TREE_CODE_LENGTH.
2942
2943         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
2944         constructor.
2945         (convert_to_integer): Likewise.
2946
2947         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
2948         accessors.
2949
2950 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2951             Brooks Moses  <brooks.moses@codesourcery.com>
2952             Lee Millward  <lee.millward@codesourcery.com>
2953
2954         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
2955         accessors.
2956         * config/frv/frv.c (frv_expand_builtin): Likewise.
2957         * config/s390/s390.c (s390_expand_builtin): Likewise.
2958
2959         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
2960         (sparc_expand_builtin): Use new CALL_EXPR accessors.
2961
2962         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
2963         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
2964         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
2965         (ix86_expand_store_builtin): Likewise.
2966         (ix86_expand_unop_builtin): Likewise.
2967         (ix86_expand_unop1_builtin): Likewise.
2968         (ix86_expand_sse_compare): Likewise.
2969         (ix86_expand_sse_comi): Likewise.
2970         (ix86_expand_vec_init_builtin): Likewise.
2971         (ix86_expand_vec_ext_builtin): Likewise.
2972         (ix86_expand_vec_set_builtin): Likewise.
2973         (ix86_expand_builtin): Use new CALL_EXPR accessors.
2974
2975         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
2976         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
2977
2978         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
2979         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
2980         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
2981
2982         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
2983         build_call_expr.
2984         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
2985         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
2986         arglist.  Use new CALL_EXPR accessors.  Fix callers.
2987         (altivec_expand_abs_builtin): Likewise.
2988         (rs6000_expand_binop_builtin): Likewise.
2989         (altivec_expand_predicate_builtin): Likewise.
2990         (altivec_expand_lv_builtin): Likewise.
2991         (spe_expand_stv_builtin): Likewise.
2992         (altivec_expand_stv_builtin): Likewise.
2993         (rs6000_expand_ternop_builtin): Likewise.
2994         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
2995         (altivec_expand_st_builtin): Likewise.
2996         (altivec_expand_dst_builtin): Likewise.
2997         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
2998         arglist.  Use new CALL_EXPR accessors.  Fix callers.
2999         (altivec_expand_vec_set_builtin): Likewise.
3000         (altivec_expand_vec_ext_builtin): Likewise.
3001         (altivec_expand_builtin): Use new CALL_EXPR accessors.
3002         (spe_expand_builtin): Likewise.
3003         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
3004         arglist.  Use new CALL_EXPR accessors.  Fix callers.
3005         (spe_expand_evsel_builtin): Likewise.
3006         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
3007         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
3008
3009         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
3010         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
3011         (arm_expand_unop_builtin): Likewise.
3012         (arm_expand_builtin): Use new CALL_EXPR accessors.
3013
3014         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
3015         accessors.
3016
3017         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
3018         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
3019         (bfin_expand_unop_builtin): Likewise.
3020         (bfin_expand_builtin): Use new CALL_EXPR accessors.
3021
3022 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
3023             Brooks Moses  <brooks.moses@codesourcery.com>
3024             Lee Millward  <lee.millward@codesourcery.com>
3025
3026         * c-semantics.c (build_stmt): Add internal diagnostic check.
3027
3028         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
3029         accessors.  Print arguments explicitly instead of as a list.
3030
3031         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
3032
3033         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
3034         (c_finish_omp_flish): Likewise.
3035
3036         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
3037         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
3038         instead of TREE_CODE_LENGTH.
3039         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
3040         (c_warn_unused_result): Likewise.
3041
3042 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3043
3044         PR c/26494
3045         * doc/invoke.texi (Warning Options): Remove
3046         -Werror-implicit-function-declaration.
3047         (Wimplicit-function-declaration): Update description.
3048         * opts.c (common_handle_option): Move handling of -Werror=* to...
3049         (enable_warning_as_error): ...here.
3050         * opts.h (enable_warning_as_error): Declare.
3051         * c-decl.c (implicit_decl_warning): Unless
3052         -Wno-implicit-function-declaration is given, emit a pedwarn if
3053         -std=c99 or emit a warning if -Wimplicit-function-declaration.
3054         * c.opt (Wimplicit-function-declaration): Replace
3055         mesg_implicit_function_declaration with
3056         warn_implicit_function_declaration.
3057         * c-opts.c (c_common_handle_option):
3058         -Werror-implicit-function-declaration is exactly equal as
3059         -Werror=implicit-function-declaration.
3060         (set_Wimplicit): Replace mesg_implicit_function_declaration with
3061         warn_implicit_function_declaration.
3062         (c_common_post_options): -Wimplict-function-declaration is enabled
3063         by default by -std=c99, otherwise is disabled by default.
3064         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
3065
3066 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
3067
3068         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
3069         DECL on the rhs to a DECL on the lhs for debug info purposes if the
3070         former is ignored but not the latter.
3071
3072 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
3073
3074         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
3075         is made and the reference doesn't use the alias set of its type,
3076         do not create the temporary using that type.
3077
3078 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
3079
3080         * jump.c: Remove prototypes for delete_computation and
3081         delete_prior_computation.
3082
3083 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
3084
3085         * jump.c (get_label_after): Delete.
3086         (get_label_before, delete_computation, delete_jump,
3087         delete_prior_computation, follow_jumps): Move...
3088         * reorg.c (delete_computation, delete_prior_computation): ... here...
3089         (get_label_before, delete_jump): ... making these static ...
3090         (follow_jumps): ... and simplifying this since it only runs after
3091         reload.
3092         * rtl.h (get_label_after, get_label_before, delete_jump,
3093         follow_jumps): Delete prototypes.
3094
3095 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
3096
3097         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
3098
3099 2007-02-15  Nick Clifton  <nickc@redhat.com>
3100
3101         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
3102         order to prevent it from being munged by the target.
3103
3104 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
3105
3106         * config/i386/i386.md: Remove misleading comment.
3107
3108 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
3109
3110         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
3111         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
3112         invalid patterns.
3113
3114 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
3115
3116         * tree-sra.c (instantiate_missing_elements): Canonicalize
3117         bit-field types.
3118         (sra_build_assignment): New.
3119         (generate_copy_inout, generate_element_copy,
3120         generate_element_zero, generate_one_element_init): Use it.
3121
3122 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
3123
3124         * tree-sra.c (instantiate_missing_elements): Canonicalize
3125         bit-field types.
3126         (sra_build_assignment): New.
3127         (generate_copy_inout, generate_element_copy,
3128         generate_element_zero, generate_one_element_init): Use it.
3129
3130 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
3131
3132         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
3133         limbo die nodes.
3134
3135 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
3136
3137         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
3138         types as aggregates not scalars.
3139         * function.c (assign_stack_temp_for_type): Likewise.
3140
3141 2007-02-14  Roger Sayle  <roger@eyesopen.com>
3142             Zdenek Dvorak  <dvorakz@suse.cz>
3143
3144         * tree-dump.c (dump_switch_p_1): Require exact match of the option
3145         name.
3146
3147 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
3148
3149         * passes.c (next_pass_1): Clear the next field of the copied
3150         pass structure.
3151
3152 2007-02-14  Richard Henderson  <rth@redhat.com>
3153
3154         * tree-sra.c (early_sra): New.
3155         (decl_can_be_decomposed_p): Deny va_list if early_sra.
3156         (tree_sra_early, pass_sra_early): New.
3157         * tree-pass.h (pass_sra_early): Declare.
3158         * passes.c (init_optimization_passes): Use it.
3159
3160 2007-02-14  Richard Guenther  <rguenther@suse.de>
3161
3162         * flags.h (issue_strict_overflow_warning): Convert to a macro.
3163
3164 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
3165
3166          PR tree-optimization/30771
3167         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
3168         also phi nodes.
3169         (vect_analyze_operations): Induction phis can now be marked as
3170         used_in_loop.
3171         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
3172         Update documentation accordingly.
3173
3174 2007-02-14  Nick Clifton  <nickc@redhat.com>
3175
3176         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
3177         most 3 arguments are supported.
3178         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
3179
3180 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
3181
3182         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
3183         Ensure dst->current is valid.
3184
3185 2007-02-13  Paul Brook  <paul@codesourcery.com>
3186
3187         * config.gcc: Add arm*-*-uclinux-*eabi.
3188         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
3189         (SUBTARGET_EXTRA_LINK_SPEC): Define.
3190         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
3191         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
3192         (LINK_SPEC): Define.
3193         (LIB_SPEC): Define.
3194         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
3195         register.
3196         * config/arm/uclinux-eabi.h: New file.
3197         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
3198         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
3199         based targets.
3200
3201 2007-02-13  Ian Lance Taylor  <iant@google.com>
3202
3203         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
3204         * flags.h (warn_strict_overflow): Declare.
3205         (enum warn_strict_overflow_code): Define.
3206         (issue_strict_overflow_warning): New static inline function.
3207         * opts.c (warn_strict_overflow): New variable.
3208         (common_handle_option): Handle OPT_Wstrict_overflow and
3209         OPT_Wstrict_overflow_.
3210         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
3211         OPT_Wall.
3212         * fold-const.c: Include intl.h.
3213         (fold_deferring_overflow_warnings): New static variable.
3214         (fold_deferred_overflow_warning): New static variable.
3215         (fold_deferred_overflow_code): New static variable.
3216         (fold_defer_overflow_warnings): New function.
3217         (fold_undefer_overflow_warnings): New function.
3218         (fold_undefer_and_ignore_overflow_warnings): New function.
3219         (fold_deferring_overflow_warnings_p): New function.
3220         (fold_overflow_warning): New static function.
3221         (make_range): Add strict_overflow_p parameter.  Change all
3222         callers.
3223         (extract_muldiv, extract_muldiv_1): Likewise.
3224         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
3225         tree_expr_nonnegative_p.
3226         (fold_negate_expr): Call fold_overflow_warning.
3227         (fold_range_test): Likewise.
3228         (fold_comparison): Likewise.
3229         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
3230         instead of tree_expr_nonnegative_p.
3231         (tree_expr_nonnegative_warnv_p): Rename from
3232         tree_expr_nonnegative_p, add strict_overflow_p parameter.
3233         (tree_expr_nonnegative_p): New function.
3234         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
3235         strict_overflow_p parameter.
3236         (tree_expr_nonzero_p): New function.
3237         * passes.c (verify_interpass_invariants): New static function.
3238         (execute_one_pass): Call it.
3239         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
3240         warnings.
3241         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
3242         (estimate_numbers_of_iterations): Likewise.
3243         (scev_probably_wraps_p): Likewise.
3244         * tree-ssa-ccp.c: Include "toplev.h".
3245         (evaluate_stmt): Defer fold overflow warnings until we know we are
3246         going to optimize.
3247         (struct fold_stmt_r_data): Add stmt field.
3248         (fold_stmt_r): Defer fold overflow warnings until we know we
3249         optimized.
3250         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
3251         (fold_stmt_inplace): Likewise.
3252         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
3253         (cleanup_control_expr_graph): Defer fold overflow warnings until
3254         we know we are going to optimize.
3255         * tree-cfg.c (fold_cond_expr_cond): Likewise.
3256         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
3257         Likewise.
3258         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
3259         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
3260         * tree-ssa-loop-manip.c (create_iv): Likewise.
3261         * c-typeck.c (build_conditional_expr): Likewise.
3262         (build_binary_op): Likewise.
3263         * tree-vrp.c (vrp_expr_computes_nonzero): Call
3264         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
3265         (extract_range_from_unary_expr): Likewise.
3266         * simplify-rtx.c (simplify_const_relational_operation): Warn when
3267         assuming that signed overflow does not occur.
3268         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
3269         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
3270         (fold_defer_overflow_warnings): Declare.
3271         (fold_undefer_overflow_warnings): Declare.
3272         (fold_undefer_and_ignore_overflow_warnings): Declare.
3273         (fold_deferring_overflow_warnings_p): Declare.
3274         (tree_expr_nonzero_warnv_p): Declare.
3275         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
3276         of warning options.
3277         (Warning Options): Document -Wstrict-overflow.
3278         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
3279         (tree-ssa-ccp.o): Likewise.
3280         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
3281         (fold-const.o): Depend on intl.h.
3282
3283 2007-02-13  Ian Lance Taylor  <iant@google.com>
3284
3285         PR middle-end/30751
3286         * lower-subreg.c (resolve_simple_move): Decompose subregs in
3287         addresses.
3288
3289 2007-02-13  Stuart Hastings  <stuart@apple.com>
3290
3291         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
3292
3293 2007-02-13  Richard Henderson  <rth@redhat.com>
3294
3295         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
3296         handled_component_p before looking for the indirect_ref.
3297
3298 2007-02-13  Richard Henderson  <rth@redhat.com>
3299
3300         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
3301         remove flags clobber.
3302         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
3303         (bswaphi_lowpart): New.
3304         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
3305         remove TARGET_BSWAP test.  Delete expander of the same name.
3306
3307         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
3308         (expand_unop): Use them.
3309
3310 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
3311
3312         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
3313         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
3314         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
3315         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
3316         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
3317         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
3318         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
3319         assembler dialect choice from asm templates.
3320
3321 2007-02-12  Richard Henderson  <rth@redhat.com>
3322
3323         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
3324         (fixuns_trunc<SSEMODEF>si2): Use it.
3325         * config/i386/sse.md (vec_setv4sf_0): Export.
3326         * config/i386/i386.c (ix86_build_const_vector): Export.
3327         (ix86_split_convert_uns_si_sse): Rename from
3328         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
3329         * config/i386/i386-protos.h: Update.
3330
3331 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3332
3333         PR c/29521
3334         * c-typeck.c (c_finish_return): Improve warning message.
3335
3336 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3337
3338         * alias.c (find_symbolic_term): Delete unused function.
3339
3340 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
3341
3342         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
3343         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
3344         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
3345
3346 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
3347
3348         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
3349         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
3350         the function, temporarily point the debug interface to the null one.
3351
3352 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
3353
3354         * dwarf2out.c (round_up_to_align): New static function.
3355         (field_byte_offset): Use it to round the offset.
3356
3357 2007-02-12  Richard Henderson  <rth@redhat.com>
3358
3359         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
3360         (inswl_const): Export.
3361
3362 2007-02-12  Richard Henderson  <rth@redhat.com>
3363
3364         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
3365         result mode of the libcall, convert back to outmode.
3366
3367 2007-02-12  Roger Sayle  <roger@eyesopen.com>
3368
3369         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
3370         (bswapdi2): New define_expand to implement 32-bit implementation.
3371
3372 2007-02-12  Nick Clifton  <nickc@redhat.com>
3373
3374         * doc/invoke.texi (Overall Options): Document --help=.
3375         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
3376         (cc1_options): Pass --help= on to cc1.
3377         (display_help): Add description of --help=.
3378         (process_command): Add code to handle --help=.  Allow translated
3379         --help and --target-help switches to be passed on to compiler
3380         sub-process.
3381         (main): Remove unused if statement.
3382         * opts.c (columns): Remove.
3383         (LEFT_COLUMN): Define.
3384         (wrap_help): Add columns argument.
3385         (print_filtered_help): Change parameters to be an include bitmask,
3386         an exclude bitmask, an any bitmask and the column width.  Move the
3387         code to display the params list here.  Add code to display the
3388         status of options rather than their descriptions if the quiet flag
3389         is not active.
3390         (print_specific_help): Change parameters to be an include bitmask,
3391         an exclude bitmask and an any bitmask.  Move code to look up the
3392         column width here.  Decide upon the title for an options listing.
3393         (common_handle_options): Add code to handle --help=.  Adapt code
3394         for --help and --target-help to use the revised form of the
3395         print_specific_help function.
3396         (print_help): Delete.
3397         (print_param_help): Delete.
3398         (print_switch): Delete.
3399         * opts.h (cl_lang_count): Add prototype.
3400         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
3401         CL_MAX_OPTION_CLASS): New defines.
3402         * optc-gen.awk: Add construction of cl_lang_count.
3403         * c.opt: Add Warning attribute to warning options and Optimization
3404         attribute to optimization options.
3405         * common.opt: Likewise.
3406         Add --help=.
3407         Add -fhelp and -ftarget-help as aliases for the transformed --help
3408         and --target-help options.
3409         * opt-functions.awk: Add code to handle Warning and Optimization
3410         attributes.
3411
3412 2007-02-12  Richard Henderson  <rth@redhat.com>
3413
3414         * config/alpha/constraints.md: New file.
3415         * config/alpha/alpha.c: Include tm-constrs.h.
3416         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
3417         alpha_extra_constraint): Remove.
3418         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
3419         * config/alpha/alpha-protos.h: Update.
3420         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
3421         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
3422         (EXTRA_CONSTRAINT): Remove.
3423         * config/alpha/alpha.md: Include constraints.md.
3424         (adddi splitter): Use satisfies_constraint_*.
3425         * config/alpha/predicates.md (add_operand): Likewise.
3426         (sext_add_operand, addition_operation): Likewise.
3427
3428 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
3429
3430         PR tree-optimization/29145
3431         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
3432         in our handling of restrict qualified pointers.
3433
3434 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3435
3436         PR middle-end/7651
3437         * doc/invoke.texi (Wunused-value): Update description.
3438         (Wextra): Delete item.
3439         * opts.c (set_Wextra): Don't use the value of Wextra to set the
3440         value of Wunused-value.
3441         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
3442         (c_finish_stmt_expr): Don't check extra_warnings.
3443         (emit_side_effect_warnings): The caller is responsible to check
3444         warn_unused_value.
3445
3446 2007-02-11  Roger Sayle  <roger@eyesopen.com>
3447             Matt Thomas  <matt@3am-software.com>
3448
3449         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
3450
3451 2007-02-11  Roger Sayle  <roger@eyesopen.com>
3452
3453         * simplify-rtx.c (simplify_relational_operation_1): Optimize
3454         comparisons of POPCOUNT against zero.
3455         (simplify_const_relational_operation): Likewise.
3456
3457 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3458
3459         * doc/invoke.texi (Wextra): Delete outdated paragraph.
3460
3461 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3462
3463         * dwarf2out.c (root_type): Delete unused function.
3464
3465 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3466
3467         * genattrtab.c (contained_in_p): Delete unused function.
3468         (write_expr_attr_cache): Likewise.
3469
3470 2007-02-11  Jan Hubicka  <jh@suse.cz>
3471
3472         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
3473         previous patch.
3474
3475 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
3476
3477         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
3478         to add the REG_EQ* note.
3479         * see.c (see_merge_one_use_extension): Likewise.
3480         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
3481         turn REG_EQUAL notes into REG_EQUIV notes if the target
3482         register may have more than one set.
3483         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
3484         * gcse.c (try_replace_reg): Likewise.
3485         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
3486         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
3487         more than one REG_EQUIV note.
3488         * reload1.c (gen_reload): Use set_unique_reg_note.
3489
3490 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
3491
3492         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
3493         (ix86_builtin_conversion): New function.
3494
3495 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
3496
3497         PR target/29487
3498         * tree.h (DECL_REPLACEABLE_P): New macro.
3499         * except.c (set_nothrow_function_flags): Likewise.
3500
3501 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
3502             Ira Rosen  <irar@il.ibm.com>
3503             Dorit Nuzman  <dorit@il.ibm.com>
3504
3505         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
3506         * targhooks.c (default_builtin_vectorized_conversion): New.
3507         * targhooks.h (default_builtin_vectorized_function): New declaration.
3508         * target.h (struct vectorize): Add builtin_conversion field.
3509         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
3510         stmt_vec_info_type value.
3511         (vectorizable_conversion): New declaration.
3512         * tree-vect-analyze.c (vect_analyze_operations): Add
3513         vectorizable_conversion call.
3514         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
3515         * tree-vect-transform.c (vectorizable_conversion): New function.
3516         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
3517         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
3518         mode.
3519         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
3520         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
3521         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
3522         or ALTIVEC_BUILTIN_VCFSX.
3523
3524 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3525
3526         PR target/30634
3527         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
3528         CONST_DOUBLE and operand 0 is a hard register.
3529         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
3530         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
3531         is a hard floating-point register.
3532
3533 2007-02-10  Richard Henderson  <rth@redhat.com>
3534             Jakub Jelinek  <jakub@redhat.com>
3535             Alexandre Oliva  <aoliva@redhat.com>
3536
3537         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
3538         * builtin-types.def (BT_WORD): Make unsigned.
3539         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
3540         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
3541         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
3542         * c-decl.c (grokdeclarator): Don't error if !have_tls.
3543         * c-parser.c (c_parser_omp_threadprivate): Likewise.
3544         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
3545         emulated tls.
3546         * expr.c (emutls_var_address): New.
3547         (expand_expr_real_1): Expand emulated tls.
3548         (expand_expr_addr_expr_1): Likewise.
3549         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
3550         * output.h (emutls_finish): Declare.
3551         * toplev.c (compile_file): Call it.
3552         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
3553         address before wrapping in CONST.
3554         * varasm.c (emutls_htab, emutls_object_type): New.
3555         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
3556         (get_emutls_object_name, get_emutls_object_type): New.
3557         (get_emutls_init_templ_addr, emutls_decl): New.
3558         (emutls_common_1, emutls_finish): New.
3559         (assemble_variable): When emulating tls, swap decls; generate
3560         constructor for the emutls objects.
3561         (do_assemble_alias): When emulating tls, swap decl and target name.
3562         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
3563         for emulated tls.
3564         * varpool.c (decide_is_variable_needed): Look at force_output.
3565         Recurse for emulated tls.
3566         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
3567         with decide_is_variable_needed.
3568         * emutls.c: New file.
3569         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
3570         tls_object for real tls.
3571
3572 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
3573
3574         PR rtl-optimization/29599
3575         * reload1.c (eliminate_regs_in_insn): Take the destination
3576         mode into account when computing the offset.
3577
3578 2007-02-09  Stuart Hastings  <stuart@apple.com>
3579             Richard Henderson  <rth@redhat.com>
3580
3581         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
3582         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
3583         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
3584         fixuns_truncdfhi2): New.
3585         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
3586         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
3587         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
3588         (floatunssidf2): Allow nonimmediate source.
3589         * gcc/config/i386/sse.md (movdi_to_sse): New.
3590         (vec_concatv2di): Drop '*'.
3591         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
3592         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
3593         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
3594         New.
3595         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
3596         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
3597         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
3598         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
3599         (ix86_build_signbit_mask): Fix decl of v, refactor to call
3600         ix86_build_const_vector.
3601         (x86_emit_floatuns): Rewrite.
3602
3603 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3604
3605         * genautomata.c (longest_path_length): Delete unused function.
3606         (struct state): Delete unused longest_path_length.
3607         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
3608         (get_free_state): Delete unused.
3609
3610 2007-02-09  Jan Hubicka  <jh@suse.cz>
3611
3612         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
3613         * doc/invoke.texi (inline-unit-growth): Update default value.
3614
3615         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
3616         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
3617         (rebuild_cgraph_edges): Likewise.
3618         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
3619         (dump_cgraph_node): Dump frequencies.
3620         (cgraph_clone_edge): Add frequency scales.
3621         (cgraph_clone_node): Add freuqnecy.
3622         * cgraph.h (cgraph_edge): Add freuqnecy argument.
3623         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
3624         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
3625         * tree-pass.h (TODO_rebuild_frequencies): New constant.
3626         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
3627         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
3628         (save_inline_function_body): Likewise.
3629         * ipa-inline.c: inluce rtl.h
3630         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
3631         (cgraph_edge_badness): Use frequencies.
3632         (cgraph_decide_recursive_inlining): Update clonning.
3633         (cgraph_decide_inlining_of_small_function): Dump frequency.
3634         * predict.c (estimate_bb_frequencies): Export.
3635         * predict.h (estimate_bb_frequencies): Declare.
3636         * tree-inline.c (copy_bb): Watch overflows.
3637         (expand_call_inline): Update call of cgraph_create_edge.
3638         (optimize_inline_calls): Use TODO flags to update frequnecies.
3639         * passes.h: Include predict.h
3640         (init_optimization_passes): Move profile ahead.
3641         (execute_function_todo): Handle TODO_rebuild_frequencies.
3642
3643 2007-02-09  Roger Sayle  <roger@eyesopen.com>
3644
3645         * config/alpha/alpha.c (emit_insxl): Force the first operand of
3646         the insbl or inswl pattern into a register.
3647
3648 2007-02-09  Roger Sayle  <roger@eyesopen.com>
3649
3650         * config/ia64/ia64.md (bswapdi2): New define_insn.
3651
3652 2007-02-09  Richard Henderson  <rth@redhat.com>
3653
3654         * config/i386/constraints.md (Ym): New constraint.
3655         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
3656         (movdi_1_rex64): Split sse and xmm general register moves from
3657         memory move alternatives.  Use conditional register constraints.
3658         (movsf_1, movdf_integer): Likewise.
3659         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
3660         (movdf_integer_rex64): New.
3661         (pushsf_rex64): Fix output constraints.
3662         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
3663         (sse2_stored): Likewise.
3664         (sse2_storeq_rex64): New.
3665         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
3666         amd and not generic.
3667         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
3668         for optimize_size.  Remove SF/DFmode hack.
3669
3670 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3671
3672         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
3673         (bit_SSE4a): New.
3674
3675 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
3676             Richard Sandiford  <richard@codesourcery.com>
3677
3678         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
3679         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
3680         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
3681         m68k/t-mlib to tmake_file.
3682         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
3683         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
3684         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
3685         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
3686         variable is not empty, add t-$m68k_arch_family to tmake_file.
3687         Add t-mlibs to tmake_file.
3688         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
3689         * config/m68k/t-cf: New file.
3690         * config/m68k/t-m68k: Likewise.
3691         * config/m68k/t-mlibs: Likewise.
3692         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
3693         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
3694         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
3695         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
3696         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
3697         Delete.
3698         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
3699         (INSTALL_LIBGCC): Delete.
3700         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
3701         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
3702         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
3703         (M68K_MLIB_CPU): Define.
3704         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
3705         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
3706         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
3707
3708 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
3709             Richard Guenther  <rguenther@suse.de>
3710
3711         PR middle-end/23361
3712         * fold-const.c (fold_comparison): Handle obfuscated comparisons
3713         against INT_MIN/INT_MAX.
3714         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
3715         file if a loop is removed.
3716
3717 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
3718
3719         * calls.c (store_one_arg): Pass correct alignment to
3720         emit_push_insn for non-BLKmode values.
3721         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
3722         unaligned stack slot via a suitably aligned slot.
3723
3724 2007-02-08  DJ Delorie  <dj@redhat.com>
3725
3726         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
3727         warnings.
3728         (legal_subregs): Use unsigned char, make const.
3729         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
3730
3731 2007-02-08  Paul Brook  <paul@codesourcery.com>
3732
3733         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
3734         special interworking needed.
3735
3736 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
3737
3738         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
3739         conditional to __SSE2__.
3740         (Entries below should have been added to first ChangeLog
3741         entry for amdfam10 dated 2007-02-05)
3742         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
3743         defined.
3744         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
3745         defined.
3746         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
3747         defined.
3748
3749 2007-02-08  DJ Delorie  <dj@redhat.com>
3750
3751         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
3752         * config/m32c/m32c.c (legal_subregs): New.
3753         (m32c_illegal_subreg_p): New.
3754         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
3755         unsupported subregs of hard regs.
3756
3757 2007-02-08  Jan Hubicka  <jh@suse.cz>
3758
3759         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
3760         the same one; always update histograms.
3761
3762 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
3763
3764         * passes.c (init_optimization_passes): Tidy comment.
3765
3766 2007-02-08  Roger Sayle  <roger@eyesopen.com>
3767
3768         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
3769         strip zero_extend, bswap and rotates from POCOUNT's argument.
3770         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
3771         zero_extend and rotates from PARITY's argument.
3772         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
3773         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
3774         of an integer constant at compile-time.
3775
3776 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
3777
3778         PR 30562
3779         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
3780         Update all users.
3781         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
3782         users.
3783         (init_alias_info):
3784         * tree-ssa-live.c (remove_unused_locals): Do not remove
3785         TREE_ADDRESSABLE variables.
3786         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
3787         * tree-ssa-operands.c (add_virtual_operand): Remove argument
3788         FOR_CLOBBER.  Update all users.
3789         If VAR has an associated alias set, add a virtual operand for
3790         it if no alias is found to conflict with the memory reference.
3791
3792 2007-02-07  Jan Hubicka  <jh@suse.cz>
3793             Robert Kidd <rkidd@crhc.uiuc.edu>
3794
3795         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
3796
3797 2007-02-07  Ian Lance Taylor  <iant@google.com>
3798
3799         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
3800
3801 2007-02-07  Roger Sayle  <roger@eyesopen.com>
3802
3803         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
3804         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
3805         tablejumpdi, movsi_to_cr_one): Remove constraints from
3806         define_expand's match_operands.
3807
3808 2007-02-07  Roger Sayle  <roger@eyesopen.com>
3809
3810         * global.c (compute_regsets): Move declatation of "i" inside of
3811         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
3812
3813 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
3814
3815         PR c++/30703
3816         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
3817         of INDIRECT_REF <RESULT_DECL>.
3818
3819         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
3820
3821 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
3822             Kaz Kojima  <kkojima@gcc.gnu.org>
3823
3824         PR target/29746
3825         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
3826         properly.
3827         (sh_initialize_trampoline): Add parentheses to avoid a warning.
3828
3829 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
3830
3831         * doc/loop.texi: Document possibility not to perform disambiguation
3832         of loops with multiple latches.
3833         * cfgloopmanip.c (alp_enum_p): Removed.
3834         (add_loop): Handle subloops.  Use get_loop_body_with_size.
3835         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
3836         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
3837         the new forwarder block.
3838         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
3839         Handle the case latch is NULL.
3840         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
3841         when marking loop exits.
3842         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
3843         be modified.
3844         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
3845         disambiguate_loops_with_multiple_latches.
3846         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
3847         before fix_loop_structure.
3848         * cfgloop.c: Include pointer-set.h and output.h.
3849         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
3850         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
3851         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
3852         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
3853         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
3854         disambiguate_multiple_latches, get_loop_body_with_size,
3855         disambiguate_loops_with_multiple_latches): New functions.
3856         (flow_loop_dump): Dump multiple latch edges.
3857         (flow_loop_nodes_find): Handle loops with multiple latches.
3858         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
3859         (glb_enum_p): Modified.
3860         (get_loop_body): Use get_loop_body_with_size.
3861         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
3862         (AVOID_CFG_MODIFICATIONS): New constant.
3863         (disambiguate_loops_with_multiple_latches, add_loop,
3864         get_loop_body_with_size): Declare.
3865         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
3866
3867 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
3868
3869         PR inline-asm/28686
3870         * global.c (compute_regsets): New function.
3871         (global_alloc): Refactored ELIMINABLE_REGSET
3872         and NO_GLOBAL_ALLOC_REGS computation out.
3873         (rest_of_handle_global_alloc): Call compute_regsets()
3874         for non-optimizing case.
3875
3876 2007-02-06  Richard Henderson  <rth@redhat.com>
3877
3878         * config/i386/constraints.md (Y2): Rename from Y.
3879         (Yi): New constraint.
3880         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
3881         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
3882         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
3883         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
3884         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
3885         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
3886         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
3887         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
3888         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
3889         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
3890         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
3891         vec_extractv2si_1): Change Y constraints to Y2.
3892         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
3893         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
3894         Change Y constraints to Y2.
3895         (sse2_loadld): Change Y constraints to x.
3896
3897 2007-02-06  Roger Sayle  <roger@eyesopen.com>
3898
3899         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
3900         (parity<mode>2): New define_expand using rs6000_emit_parity.
3901         * config/rs6000/rs6000.c (rs6000_emit_popcount,
3902         rs6000_emit_parity): New functions.
3903         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
3904         rs6000_emit_parity): Prototype here.
3905
3906 2007-02-06  Ian Lance Taylor  <iant@google.com>
3907
3908         * lower-subreg.c (simple_move_operand): Reject CONST.
3909         (resolve_clobber): Call validate_change rather than directly
3910         assigning to XEXP (pat, 0).
3911
3912 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
3913
3914         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
3915         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
3916         (tree-cfg.o): Remove hashtab.h dependency.
3917
3918         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
3919         (struct ivopts_data): Change niters to pointer_map_t.
3920         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
3921         (niter_for_exit): Create pointer_map on demand.  Change for
3922         pointer_map API.
3923         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
3924         (free_loop_data): Destroy data->niters if created and reset field.
3925         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
3926         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
3927
3928         * tree-ssa-reassoc.c: Include pointer-set.h.
3929         (bb_rank): Change to long *.
3930         (operand_rank): Change to pointer_map_t.
3931         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
3932         (insert_operand_rank): Accept long.
3933         (operand_entry_hash, operand_entry_eq): Remove.
3934         (get_rank): Return long.  Adjust for changes above.
3935         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
3936         and operand_rank.
3937         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
3938
3939         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
3940         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
3941         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
3942         is not NULL.
3943         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
3944         directly since it cannot be NULL.
3945         (get_vi_for_tree): Rewrite for pointer_map API.
3946         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
3947         (init_alias_vars): Create vi_for_tree as pointer_map.
3948         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
3949
3950         * tree-cfg.c: Don't include hashtab.h.
3951         (edge_to_cases): Declare as pointer_map.
3952         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
3953         Delete.
3954         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
3955         (start_recording_case_labels): Create edge_to_cases as pointer_map.
3956         (end_recoding_case_labels): Cleanup edge_to_cases manually before
3957         destroying it.
3958         (record_switch_edge): Delete.
3959         (get_cases_for_edge): Adjust for pointer_map API, inline
3960         record_switch_edge (rewritten for new API), remove goto.
3961
3962 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
3963
3964         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
3965         * tree-nested.c: Include pointer-set.h.
3966         (var_map_elt, var_map_eq, var_map_hash): Delete.
3967         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
3968         to pointer_map_t's.
3969         (nesting_info_bitmap_obstack): New.
3970         (lookup_field_for_decl): Adjust for pointer_map API.
3971         (lookup_tramp_for_decl): Adjust for pointer_map API.
3972         (get_nonlocal_debug_decl): Adjust for pointer_map API.
3973         (get_local_debug_decl): Adjust for pointer_map API.
3974         (convert_nl_goto_reference): Adjust for pointer_map API.
3975         (convert_nl_goto_receiver): Adjust for pointer_map API.
3976         (create_nesting_tree): Create outside GGC space.  Create bitmap on
3977         the new obstack.  Create field_map and var_map as pointer_maps.
3978         (free_nesting_tree): Adjust for changes to create_nesting_tree.
3979         (root): Delete.
3980         (lower_nested_functions): Move root here, no need to NULL it.
3981         Initialize and release the obstack.
3982
3983 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
3984
3985         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
3986         Remove prototypes and make them non-static.
3987         (struct tree_int_map): Remove.
3988         * tree.h (struct tree_int_map): Move here, turning TO into an
3989         unsigned int.
3990         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
3991
3992         * tree.h (TREE_COMPLEXITY): Remove.
3993         (struct tree_exp): Remove complexity field.
3994         * tree.c (build1_stat): Don't set it.
3995
3996 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
3997             Victor Kaplansky  <victork@il.ibm.com>
3998
3999         * tree-vectorizer.c (vect_is_simple_use): Support induction.
4000         (vect_is_simple_reduction): Support reduction with induction as
4001         one of the operands.
4002         (vect_is_simple_iv_evolution): Fix formatting.
4003         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
4004         formatting.  Don't mark induction phis for vectorization.
4005         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
4006         * tree-vect-transform.c (get_initial_def_for_induction): New function.
4007         (vect_get_vec_def_for_operand): Support induction.
4008         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
4009         induction case.
4010         (vectorizable_reduction): Support reduction with induction as one of
4011         the operands.
4012         (vectorizable_type_demotion): Use def-type of stmt argument rather
4013         than dummy def-type.
4014
4015         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
4016         flag_tree_scev_cprop.
4017         * common.opt (tree-scev-cprop): New flag.
4018
4019         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
4020         call to vect_get_new_vect_var.
4021
4022 2007-02-06  Ira Rosen  <irar@il.ibm.com>
4023
4024         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
4025         vectype is not NULL.
4026         (vect_pattern_recog_1): Likewise.
4027
4028 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4029
4030         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
4031         (fold_negate_expr): Likewise.
4032
4033 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
4034
4035         PR debug/30189
4036         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
4037         even if cv-qualification is the same.
4038
4039 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
4040
4041         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
4042         __enable_execute_stack on completion.
4043
4044 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
4045
4046         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
4047         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
4048         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
4049         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
4050         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
4051         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
4052         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
4053         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
4054
4055 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
4056
4057         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
4058         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
4059         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
4060         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
4061         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
4062         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
4063         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
4064         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
4065         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
4066         umuldi3_highpart_rex64, umulsi3_highpart_insn,
4067         umulsi3_highpart_zext, smuldi3_highpart_rex64,
4068         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
4069         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
4070         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
4071         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
4072         sqrtextenddfxf2_i387): Added amdfam10_decode.
4073
4074         * config/i386/athlon.md (athlon_idirect_amdfam10,
4075         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
4076         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
4077         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
4078         athlon_ivector_store_amdfam10): New define_insn_reservation.
4079         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
4080         amdfam10.
4081
4082 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
4083
4084         * config/i386/athlon.md (athlon_call_amdfam10,
4085         athlon_pop_amdfam10, athlon_lea_amdfam10): New
4086         define_insn_reservation.
4087         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
4088         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
4089         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
4090
4091 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
4092
4093         * config/i386/athlon.md (athlon_sseld_amdfam10,
4094         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
4095         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
4096
4097 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
4098
4099         * config/i386/athlon.md (athlon_sseins_amdfam10): New
4100         define_insn_reservation.
4101         * config/i386/i386.md (sseins): Added sseins to define_attr type
4102         and define_attr unit.
4103         * config/i386/sse.md: Set type attribute to sseins for insertq
4104         and insertqi.
4105
4106 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
4107
4108         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
4109         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
4110         ssecomi_load_amdfam10, ssecomi_amdfam10,
4111         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
4112         define_insn_reservation.
4113         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
4114
4115 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
4116
4117         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
4118         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
4119         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
4120         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
4121         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
4122         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
4123         define_insn_reservation.
4124
4125         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
4126         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
4127         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
4128         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
4129         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
4130
4131 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
4132
4133         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
4134         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
4135         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
4136         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
4137         athlon_ssemul_load_k8): Added amdfam10.
4138
4139 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
4140
4141         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
4142         (x86_sse_unaligned_move_optimal): New variable.
4143
4144         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
4145         m_AMDFAM10.
4146         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
4147         for unaligned vector SSE double/single precision loads for AMDFAM10.
4148
4149 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
4150
4151         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
4152         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
4153         Define TARGET_CPU_DEFAULT_amdfam10.
4154         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
4155         (processor_type): Add PROCESSOR_AMDFAM10.
4156
4157         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
4158         processor_type in config/i386/i386.h.
4159         Enable imul peepholes for TARGET_AMDFAM10.
4160
4161         * config.gcc: Add support for --with-cpu option for amdfam10.
4162
4163         * config/i386/i386.c (amdfam10_cost): New variable.
4164         (m_AMDFAM10): New macro.
4165         (m_ATHLON_K8_AMDFAM10): New macro.
4166         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
4167         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
4168         x86_promote_QImode, x86_integer_DFmode_moves,
4169         x86_partial_reg_dependency, x86_memory_mismatch_stall,
4170         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
4171         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
4172         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
4173         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
4174         Enable/disable for amdfam10.
4175         (override_options): Add amdfam10_cost to processor_target_table.
4176         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
4177         processor_alias_table.
4178         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
4179         (ix86_adjust_cost): Add code for amdfam10.
4180
4181 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
4182
4183         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
4184         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
4185         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
4186         * config/i386/i386.h: Add builtin definition for SSE4A.
4187         * config/i386/i386.md: Add support for ABM instructions
4188         (popcnt and lzcnt).
4189         * config/i386/sse.md: Add support for SSE4A instructions
4190         (movntss, movntsd, extrq, insertq).
4191         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
4192         Add -march=amdfam10 flag.
4193         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
4194         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
4195         and amdfam10.
4196         * doc/extend.texi: Add documentation for SSE4A builtins.
4197
4198 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
4199
4200         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
4201
4202 2007-02-05  Richard Guenther  <rguenther@suse.de>
4203
4204         * tree-vectorizer.h (vectorizable_function): Add argument type
4205         argument, change return type.
4206         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
4207         * tree-vect-transform.c (vectorizable_function): Handle extra
4208         argument, return vectorized function decl.
4209         (build_vectorized_function_call): Remove.
4210         (vectorizable_call): Handle calls with result and argument types
4211         differing.  Handle loop vectorization factor correctly.
4212         * targhooks.c (default_builtin_vectorized_function): Adjust for
4213         extra argument.
4214         * targhooks.h (default_builtin_vectorized_function): Likewise.
4215         * target.h (builtin_vectorized_function): Add argument type
4216         argument.
4217         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
4218         extra argument, allow vectorizing of lrintf.
4219         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
4220         documentation of target hook.
4221
4222 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
4223
4224         PR target/30665
4225         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
4226         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
4227         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
4228
4229 2007-02-05  Roger Sayle  <roger@eyesopen.com>
4230
4231         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
4232         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
4233         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
4234         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
4235         before canonicalizing sincos to cexpi.
4236         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
4237
4238 2007-02-05  Roger Sayle  <roger@eyesopen.com>
4239
4240         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
4241         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
4242         (alpha_init_builtins): Use alpha_add_builtins to process tables.
4243
4244 2007-02-05  Roger Sayle  <roger@eyesopen.com>
4245
4246         * mips-tfile.c (initialize_init_file): Correct endianness test.
4247
4248 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
4249
4250         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
4251         the 'y' constraint.
4252
4253 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
4254
4255         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
4256         saves in a PARALLEL before the register assignments.
4257
4258 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
4259
4260         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
4261         DWARF_FRAME_RETURN_COLUMN to be a general register.
4262         * dwarf2out.c (init_return_column_size): New function, split from...
4263         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
4264         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
4265         to be nongeneral registers.
4266         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
4267         integer registers.
4268         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
4269         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
4270
4271 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
4272
4273         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
4274
4275 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
4276
4277         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
4278         (remove_path): Use can_remove_branch_p and remove_branch instead
4279         of loop_delete_branch_edge.
4280         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
4281         (tree_transform_and_unroll_loop): Remove dead branches immediately.
4282         Update profile using scale_dominated_blocks_in_loop.
4283         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
4284         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
4285         (can_remove_branch_p, remove_branch): Declare.
4286         * tree-cfg.c (tree_can_remove_branch_p): New function.
4287         (tree_cfg_hooks): Add tree_can_remove_branch_p.
4288         * cfgrtl.c (rtl_can_remove_branch_p): New function.
4289         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
4290
4291 2007-02-05  Jan Hubicka  <jh@suse.cz>
4292
4293         PR middle-end/30696
4294         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
4295         nodes in cgraph, don't remove offline copy of the function.
4296
4297 2007-02-04  Jan Hubicka  <jh@suse.cz>
4298
4299         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
4300         vectors might cause maybe_lookup_element_for_expr to be called
4301         on non-sra-candidate.
4302
4303 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
4304
4305         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
4306         config/bfin/bfin.md, config/bfin/predicates.md: Follow
4307         spelling conventions.
4308
4309 2007-02-04  Richard Guenther  <rguenther@suse.de>
4310
4311         PR middle-end/30636
4312         * fold-const.c (try_move_mult_to_index): Make sure to not
4313         overflow one dimension of a multi-dimensional array access.
4314
4315 2007-02-04  Jan Hubicka  <jh@suse.cz>
4316
4317         * passes.c (init_optimization_passes): Reindent.
4318
4319 2007-02-04  Jan Hubicka  <jh@suse.cz>
4320             Eric Botcazou  <ebotcazou@adacore.com>
4321
4322         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
4323         (execute_fixup_cfg): Break out the abnormal goto code.
4324         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
4325         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
4326         (optimize_inline_calls): Call make_nonlocal_label_edges.
4327
4328 2007-02-04  Jan Hubicka  <jh@suse.cz>
4329
4330         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
4331         true when something was changed.
4332         (rename_ssa_copies): When something was changed, do
4333         TODO_remove_unused_locals.
4334         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
4335         add TODO_remove_unused_locals when instruction was removed.
4336
4337 2007-02-04  Jan Hubicka  <jh@suse.cz>
4338
4339         * ipa-inline.c (try_inline): Improve debug output; work on already
4340         inline edges too.
4341         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
4342         call try_inline for already inlined edges too when flattening;
4343         inline also functions that make callee growth but overall unit size
4344         reduce.
4345
4346 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
4347
4348         * config/m32c/bitops.md, config/m32c/jump.md,
4349         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
4350         config/m32r/m32r.h, config/m32r/m32r.md,
4351         config/m32r/predicates.md, config/m68hc11/larith.asm,
4352         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
4353         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
4354         config/mips/mips-protos.h, config/mips/mips.c,
4355         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
4356         config/mn10300/mn10300.h, config/mn10300/predicates.md,
4357         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
4358         spelling conventions.
4359
4360         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
4361         Follow spelling conventions.
4362
4363 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
4364
4365         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
4366         warn about C++0x compatibility.
4367
4368 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
4369
4370         * config/h8300/h8300.c, config/h8300/h8300.h,
4371         config/h8300/h8300.md: Follow spelling conventions.
4372
4373 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
4374
4375         PR middle-end/30667
4376         * combine.c (try_combine): Do not substitute source operand
4377         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
4378
4379 2007-02-03  Jan Hubicka  <jh@suse.cz>
4380
4381         PR gcov-profile/30650
4382         * value-prof.c (stringop_block_profile): Fix handling of size counter;
4383         do not divide by zero for never executed counters.
4384         (tree_find_values_to_profile): Fix counters.
4385         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
4386
4387 2007-02-03  Ian Lance Taylor  <iant@google.com>
4388
4389         * lower-subreg.c (simple_move_operand): New static function,
4390         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
4391         operands.
4392         (simple_move): Call simple_move_operand.
4393         (find_decomposable_subregs): Add special handling of MEMs.
4394         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
4395         meaning of return value.  If we see a hard register, test whether
4396         it can store a word_mode value.  Change all callers.
4397
4398 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4399
4400         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
4401         ftrapv insns and expanders.
4402         (subdi3): Change define_expand operand 1 to arith11_operand, and
4403         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
4404         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
4405         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
4406         respectively.
4407
4408         PR middle-end/30174
4409         * varasm.c (notice_global_symbol): Treat global objects as weak when
4410         flag_shlib is true.
4411
4412 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4413
4414         * emit-rtl.c (dconstpi): Delete.
4415         (dconstsqrt2): New.
4416         (init_emit_once): Delete dconstpi and init dconstsqrt2.
4417         * real.h (dconstpi): Delete.
4418         (dconstsqrt2): New.
4419         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
4420         (fold_builtin_hypot): Likewise.
4421
4422 2007-02-03  Tom Tromey  <tromey@redhat.com>
4423
4424         PR driver/30246
4425         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
4426         -gcoff3, -gxcoff3, -gvms3 implies -dD.
4427
4428 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
4429
4430         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
4431         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
4432         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
4433         config/rs6000/cell.md, config/rs6000/darwin.h,
4434         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
4435         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
4436         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
4437         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
4438         typos.  Follow spelling conventions.
4439         * doc/invoke.texi: Follow spelling conventions.
4440
4441 2007-02-03  Roger Sayle  <roger@eyesopen.com>
4442
4443         * simplify-rtx.c (simplify_relational_operation_1): Implement some
4444         canonicalization transformations that attempt to simplify integer
4445         constant comparisons to become comparisons against zero.
4446
4447 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4448
4449         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
4450         fabs(x)*sqrt(2).
4451         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
4452         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
4453
4454 2007-02-02  Mike Stump  <mrs@apple.com>
4455
4456         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
4457         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
4458         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
4459         generate a branch island.
4460
4461 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
4462
4463         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
4464         (xtensa_legitimate_address_p): New.
4465         (xtensa_legitimize_address): New.
4466         (xtensa_output_addr_const_extra): New.
4467         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
4468         (BASE_REG_P): New.
4469         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
4470         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
4471         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
4472         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
4473         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
4474         (xtensa_legitimize_address): New.
4475         (xtensa_output_addr_const_extra): New.
4476
4477 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
4478
4479         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
4480
4481 2007-02-02  Ian Lance Taylor  <iant@google.com>
4482
4483         * expmed.c (expand_divmod): Add comment.
4484
4485 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
4486
4487         * emit-rtl.c (renumber_insns): Remove.
4488         * flags.h: Remove the extern for flag_renumber_insns.
4489         * rtl.h: Remove the prototype for renumber_insns.
4490         * toplev.c (flag_renumber_insns): Remove.
4491
4492 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
4493
4494         Revert for x86 darwin:
4495         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
4496
4497         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
4498         code before the following patch under TARGET_MACHO.
4499         (ix86_function_value_regno_p): Likewise.
4500
4501 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4502
4503         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
4504         COMPLEX_EXPR.
4505
4506 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
4507
4508         PR target/29682
4509         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
4510         general or fp registers.  Add comments.
4511         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
4512
4513 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
4514
4515         * pointer-set.c (insert_aux): Only return insertion slot.
4516         (pointer_set_insert): Adjust.
4517         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
4518         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
4519         pointer_map_traverse): New.
4520         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
4521         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
4522         pointer_map_contains, pointer_map_traverse): Declare.
4523
4524 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
4525
4526         PR middle-end/30473
4527         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
4528         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
4529
4530 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
4531
4532         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
4533
4534         (struct _dep): New type.
4535         (dep_t): New typedef.
4536         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
4537         (DEP_STATUS): New access macro.  The macro with the same name was
4538         renamed to DEP_LINK_STATUS.
4539         (dep_init): Declare function
4540
4541         (struct _dep_link): New type.
4542         (dep_link_t): New typedef.
4543         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
4544         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
4545         (DEP_LINK_STATUS): New macro.
4546         (debug_dep_links): New debug function.
4547
4548         (struct _deps_list): New type.
4549         (deps_list_t): New typedef.
4550         (DEPS_LIST_FIRST): New access macro.
4551         (FOR_EACH_DEP_LINK): New cycle macro.
4552         (create_deps_list, free_deps_list, delete_deps_list): Declare
4553         functions.
4554         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
4555         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
4556         (copy_deps_list_change_con): Ditto.
4557
4558         (move_dep_link): Declare function.
4559
4560         (struct _dep_node): New type.
4561         (dep_node_t): New typedef.
4562         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
4563
4564         (struct haifa_insn_data.back_deps): New field to hold backward
4565         dependencies of the insn.
4566         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
4567         to deps_list_t.
4568         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
4569         Change its type to deps_list_t.
4570         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
4571         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
4572         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
4573
4574         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
4575
4576         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
4577
4578         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
4579         all callers.
4580         (dep_cost): Declare.
4581
4582         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
4583         (ds_to_dk, dk_to_ds): New functions.
4584
4585         (init_dep_1): New static function.
4586         (init_dep): New function.
4587         (copy_dep): New static function.
4588
4589         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
4590         functions.
4591         (detach_dep_link): New static function.
4592         (move_dep_link): New function.
4593
4594         (dep_links_consistent_p, dump_dep_links): New static functions.
4595         (debug_dep_links): New debugging function.
4596
4597         (deps_obstack, dl_obstack, dn_obstack): New static variables.
4598
4599         (alloc_deps_list, init_deps_list): New static functions.
4600         (create_deps_list): New function.
4601         (clear_deps_list): New static function.
4602         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
4603         (deps_list_consistent_p, dump_deps_list): New static functions.
4604         (debug_deps_list): New function.
4605         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
4606         functions.
4607         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
4608
4609         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
4610         use new scheduler dependencies lists.
4611         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
4612         (sched_analyze): Ditto.  Initialize dependencies lists.
4613         (add_forw_dep, compute_forward_dependences): Update to use new
4614         scheduler dependencies lists.
4615
4616         (init_dependency_caches): Init deps_obstack.
4617         (free_dependency_caches): Free deps_obstack.
4618
4619         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
4620         new scheduler dependencies lists.
4621         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
4622         (add_back_forw_dep, delete_back_forw_dep): Ditto.
4623
4624         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
4625         Update to use new scheduler dependencies lists.
4626         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
4627         (debug_dependencies): Ditto.
4628         (schedule_region): Update comments.
4629
4630         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
4631         scheduler dependencies lists.
4632         (schedule_ebb): Update comments.
4633
4634         * rtl.def (DEPS_LIST): Remove.
4635
4636         * lists.c (unused_deps_list): Remove.
4637         (free_list): Update assertions.
4638
4639         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
4640         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
4641
4642         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
4643         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
4644
4645         * haifa-sched.c (comments): Update.
4646         (insn_cost1): Remove.  Inline the code into insn_cost ().
4647         (insn_cost): Update to use new scheduler dependencies lists.  Move
4648         processing of the dependency cost to dep_cost ().
4649         (dep_cost): New function.  Use it instead of insn_cost () when
4650         evaluating cost of the dependency.  Use compatible interface to
4651         interact with the target.
4652         (priority): Update to use new scheduler dependencies lists.
4653         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
4654         with greater number of insns that depend on the insn.
4655         (schedule_insn): Update to use new scheduler dependencies lists.  Add
4656         code to free backward dependencies lists.  Inline and optimize code
4657         from resolve_dep () - see PR28071.
4658         (ok_for_early_queue_removal): Update to use new scheduler dependencies
4659         lists.  Update call to targetm.sched.is_costly_dependence hook.
4660
4661         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
4662         scheduler dependencies lists.
4663
4664         (resolve_dep): Remove.  Move the logic to schedule_insn ().
4665         (init_h_i_d): Initialize dependencies lists.
4666
4667         (process_insn_depend_be_in_spec): Rename to
4668         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
4669         dependencies lists.
4670         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
4671         Update to use new scheduler dependencies lists.
4672         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
4673
4674         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
4675         new scheduler dependencies lists.
4676         (build_intra_loop_deps): Ditto.
4677
4678         * target.h (struct _dep): Declare to use in
4679         gcc_target.sched.is_costly_dependence.
4680         (struct gcc_target.sched.adjust_cost): Fix typo.
4681         (struct gcc_target.sched.is_costly_dependence): Change signature to use
4682         single dep_t parameter instead of an equivalent triad.
4683         (struct gcc_target.sched.adjust_cost_2): Remove.
4684
4685         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
4686
4687         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
4688
4689         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
4690         documentation.
4691         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
4692
4693         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
4694         (REG_DEP_TRUE): Document.
4695
4696         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
4697         Change signature to correspond to the targetm.sched.adjust_cost hook.
4698         Update use in TARGET_SCHED_ADJUST_COST_2.
4699         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
4700         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
4701         new scheduler dependencies lists.
4702         (ia64_gen_check): Ditto.
4703
4704         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
4705         dependencies lists.
4706
4707         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
4708         signature to correspond to the targetm.sched.is_costly_dependence hook.
4709         (is_costly_group): Update to use new scheduler dependencies lists.
4710
4711         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
4712         instead of INSN_COST () macro.
4713
4714 2007-02-01  Ian Lance Taylor  <iant@google.com>
4715
4716         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
4717
4718 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
4719
4720         * pa.md (tp_load): Correct mfctl instruction syntax.
4721
4722 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
4723
4724         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
4725         altivec_padding_size calculation on AIX.  Improve comment, add
4726         assert to verify that it's right.
4727
4728         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
4729         64-bit.
4730
4731 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
4732
4733         PR inline-asm/28686
4734         * global.c (global_alloc): Add mising initialization of
4735         ELIMINABLE_REGSET.
4736
4737 2007-02-01  Roger Sayle  <roger@eyesopen.com>
4738
4739         * alias.c (init_alias_analysis): Correct whitespace.
4740         * bb-reorder.c (fix_edges_for_rarely_executed_code,
4741         partition_hot_cold_basic_blocks): Likewise.
4742         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
4743         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
4744         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
4745         fold_builtin_snprintf_chk, fold_builtin_printf,
4746         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
4747         do_mpfr_arg3, do_mpfr_sincos): Likewise.
4748         * cfgcleanup.c (cleanup_cfg): Likewise.
4749         * cfgexpand.c (tree_expand_cfg): Likewise.
4750         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
4751         * function.c (get_next_funcdef_no): Likewise.
4752         * gengtype.c (main): Likewise.
4753         * genmodes.c (main): Likewise.
4754         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
4755         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
4756         * ifcvt.c (noce_emit_move_insn): Likewise.
4757         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
4758         Likewise.
4759         * stor-layout.c (get_best_mode): Likewise.
4760         * tree-ssa-loop-niter.c (get_val_for): Likewise.
4761         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
4762         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
4763         perform_var_substitution, solve_graph): Likewise.
4764         * tree-vrp.c (vrp_finalize): Likewise.
4765
4766 2007-02-01  Ian Lance Taylor  <iant@google.com>
4767
4768         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
4769         high part of a paradoxical subreg, return a constant zero.
4770
4771 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
4772
4773         * toplev.c (lang_dependent_init): Call init_set_costs.
4774         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
4775
4776 2007-02-01  Richard Guenther  <rguenther@suse.de>
4777
4778         PR middle-end/30656
4779         * fold-const.c (fold_negate_expr): Allow negating a
4780         constant if overflow does not change.
4781
4782 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4783
4784         * doc/c-tree.texi (Expression trees): Improve markup.
4785         * doc/tm.texi (Register Classes, Addressing Modes)
4786         (Floating Point): Fix spacing after abbreviations.  Fix some
4787         typos.
4788
4789 2007-02-01  Ben Elliston  <bje@au.ibm.com>
4790
4791         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
4792         * doc/contrib.texi: Likewise.
4793         * doc/install.texi: Likewise.
4794
4795 2007-01-31  Richard Henderson  <rth@redhat.com>
4796             Ian Lance Taylor  <iant@google.com>
4797
4798         * lower-subreg.c: New file.
4799         * rtl.def (CONCATN): Define.
4800         * passes.c (init_optimization_passes): Add pass_lower_subreg and
4801         pass_lower_subreg2.
4802         * emit-rtl.c (update_reg_offset): New static function, broken out
4803         of gen_rtx_REG_offset.
4804         (gen_rtx_REG_offset): Call update_reg_offset.
4805         (gen_reg_rtx_offset): New function.
4806         * regclass.c: Revert patch of 2006-03-05, restoring
4807         reg_scan_update.
4808         (clear_reg_info_regno): New function.
4809         * dwarf2out.c (concatn_loc_descriptor): New static function.
4810         (loc_descriptor): Handle CONCATN.
4811         * common.opt (fsplit_wide_types): New option.
4812         * opts.c (decode_options): Set flag_split_wide_types when
4813         optimizing.
4814         * timevar.def (TV_LOWER_SUBREG): Define.
4815         * rtl.h (gen_reg_rtx_offset): Declare.
4816         (reg_scan_update): Declare.
4817         * regs.h (clear_reg_info_regno): Declare.
4818         * tree-pass.h (pass_lower_subreg): Declare.
4819         (pass_lower_subreg2): Declare.
4820         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
4821         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
4822         -fsplit-wide-types.
4823         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
4824         * Makefile.in (OBJS-common): Add lower-subreg.o.
4825         (lower-subreg.o): New target.
4826
4827 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
4828
4829         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
4830
4831 2007-01-31  Anatoly Sokolov <aesok@post.ru>
4832
4833         PR target/19087
4834         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
4835
4836 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4837
4838         PR middle-end/29335
4839         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
4840
4841 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
4842
4843         * cfgloop.h: Include vec-prim.h.
4844         (enum li_flags): Remove LI_ONLY_OLD.
4845         (loop_iterator): Changed.
4846         (fel_next, fel_init): Iterate over loop tree.
4847         (FOR_EACH_LOOP_BREAK): New macro.
4848         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
4849         FOR_EACH_LOOP.
4850         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
4851         * modulo-sched.c (sms_schedule): Ditto.
4852         * tree-vectorizer.c (vectorize_loops): Ditto.
4853         * doc/loop.texi: Update information on loop numbering and behavior of
4854         FOR_EACH_LOOP wrto new loops.
4855         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4856         add_to_evolution_1): Test nestedness of loops instead of comparing
4857         their numbers.
4858         * tree-chrec.c (chrec_fold_plus_poly_poly,
4859         chrec_fold_multiply_poly_poly, chrec_evaluate,
4860         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
4861         reset_evolution_in_loop): Ditto.
4862         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
4863
4864 2007-01-31  Dirk Mueller  <dmueller@suse.de>
4865
4866         * c-common.c (warn_about_parentheses): Separate warning about
4867         un-parenthized sequence of comparison operators from the one
4868         which is supposed to warn about x <= y <= z.
4869
4870 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
4871
4872         * optabs.h (enum optab_index): Add new OTI_isinf.
4873         (isinf_optab): Define corresponding macro.
4874         * optabs.c (init_optabs): Initialize isinf_optab.
4875         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
4876         patterns.
4877         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
4878         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
4879         using isinf_optab.
4880         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
4881         expand_builtin_interclass_mathfn.
4882         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
4883         * config/i386/i386.md (UNSPEC_FXAM): New constant.
4884         (fxam<mode>2_i387): New insn pattern.
4885         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
4886         built-in functions as x87 inline asm.
4887
4888 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
4889
4890         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
4891
4892 2007-01-30  Eric Christopher  <echristo@apple.com>
4893
4894         * config.gcc: Add geode.
4895
4896 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
4897
4898         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
4899         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
4900         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
4901         value-prof.c: Fix comment typos.
4902
4903 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4904
4905         PR c++/24745
4906         * doc/invoke.texi (Wpointer-arith): Document warning.
4907
4908 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
4909
4910         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
4911         the list of discrepancies from the draft TR.
4912
4913 2007-01-30  Dirk Mueller  <dmueller@suse.de>
4914
4915         PR c++/30601
4916         * doc/invoke.texi (-Wreturn-type): Update description to
4917         match new behavior.
4918
4919 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
4920
4921         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
4922
4923 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
4924
4925         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
4926         to handle optabs that operate on floating point input argument and
4927         output to integer output.
4928         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
4929         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
4930         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
4931         expand_builtin_interclass_mathfn ().
4932         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
4933         (ilogbsi2): Remove.
4934         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
4935         ilogbl built-in functions as x87 intrinsics.
4936
4937 2007-01-30  Richard Guenther  <rguenther@suse.de>
4938
4939         PR middle-end/27657
4940         * dwarf2out.c (reference_to_unused): Query varpool if the
4941         variable was output.
4942
4943 2007-01-30  Richard Guenther  <rguenther@suse.de>
4944
4945         PR middle-end/30313
4946         * passes.c (execute_one_pass): Reset in_gimple_form to not
4947         confuse non-unit-at-a-time mode.
4948
4949 2007-01-29  Roger Sayle  <roger@eyesopen.com>
4950             Richard Guenther  <rguenther@suse.de>
4951
4952         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
4953         avoid undefined behaviour on overflow.  Use force_fit_type_double
4954         to construct the constant with the specified TREE_OVERFLOW.
4955
4956 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
4957
4958         * config/dfp-bit.c: Add parameterized support for fp exceptions.
4959         * config/dfp-bit.h: Ditto.
4960
4961 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4962
4963         * c-decl.c (pop_scope): Replace warnings with call to
4964         warn_for_unused_label.
4965         * c-common.h (warn_for_unused_label): Declare.
4966         * c-common.c (warn_for_unused_label): Define.
4967
4968 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4969
4970         * tree-optimize.c (update_inlined_to_pointers): Delete unused
4971         function.
4972
4973 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
4974
4975         * Makefile.in (USER_H): Remove decfloat.h.
4976         * ginclude/decfloat.h: Delete, moving contents to ...
4977         * ginclude/float.h: Add support for decimal floating point,
4978         guarded by __STDC_WANT_DEC_FP__.
4979
4980 2007-01-29  Mike Stump  <mrs@apple.com>
4981
4982         * doc/gccint.texi (Top): Rename Loop Representation to Loop
4983         Analysis and Representation to resolve case insensitive conflict.
4984         * doc/loop.texi (Loop Analysis and Representation): Likewise.
4985
4986 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
4987
4988         * tree.h (struct tree_memory_tag): Add aliases member.
4989         (MTAG_ALIASES): New macro.
4990         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
4991         (add_may_alias): Remove pointer-set. Update for may_aliases being
4992         a bitmap.
4993         (mark_aliases_call_clobbered): Update for may_aliases being a
4994         bitmap.
4995         (compute_tag_properties): Ditto.
4996         (create_partition_for): Ditto.
4997         (compute_memory_partitions): Ditto.
4998         (dump_may_aliases_for): Ditto.
4999         (is_aliased_with): Ditto.
5000         (add_may_alias_for_new_tag): Ditto.
5001         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
5002         (compute_is_aliased): New function.
5003         (compute_may_aliases): Call compute_is_aliased).
5004         (init_alias_info): Initialize alias_bitmap_obstack.
5005         (union_alias_set_into): New function.
5006         (compute_flow_sensitive_aliasing): Use union_aliases_into.
5007         (have_common_aliases_p): Rewrite to take two bitmaps and use
5008         intersection.
5009         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
5010         Update for bitmaps.
5011         (finalize_ref_all_pointers): Update for add_may_alias changes.
5012         (new_type_alias): Ditto.
5013         * tree-flow-inline.h (may_aliases): Return a bitmap.
5014         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
5015         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
5016         may_aliases being a bitmap.
5017         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
5018         may_aliases now returns a bitmap.
5019         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
5020         being a bitmap.
5021         * tree-ssa-operands.c (add_virtual_operand): Update for
5022         may_aliases being a bitmap.
5023
5024 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
5025
5026         PR tree-optimization/30630
5027         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
5028         variable as changed.
5029
5030 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
5031
5032         PR c++/28266
5033         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
5034         expanded only once even if an error occurs.
5035
5036 2007-01-29  Ben Elliston  <bje@au.ibm.com>
5037
5038         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
5039         (__gcov_average_profiler): Likewise.
5040         (__gcov_ior_profiler): Likewise.
5041         (__gcov_merge_ior): Likewise.
5042
5043 2007-01-28  Jan Hubicka  <jh@suse.cz>
5044
5045         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
5046         * value-prof.c (stringop_block_profile): Likewise.
5047
5048 2007-01-28  Jan Hubicka  <jh@suse.cz>
5049
5050         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
5051         variant handling histograms; add wrapper.
5052         (clear_storage_via_libcall): Export.
5053         (emit_block_move_hints): Break out from ...; add histograms.
5054         (emit_block_move): ... this one.
5055         (clear_storage_hints): Break out from ...; add histograms.
5056         (clear_storage): ... this one.
5057         (set_storage_via_memset): Handle histogram.
5058         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
5059         (clear_storage_hints, clear_storage_via_libcall): Declare.
5060         (set_storage_via_setmem): Update prototype.
5061         * doc/md.texi (movmem, setmem): Document new arguments.
5062
5063         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
5064         new histograms.
5065         (stringop_block_profile): New global function.
5066         (tree_stringops_values_to_profile): Profile block size and alignment.
5067         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
5068         HIST_TYPE_IOR.
5069         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
5070         (stringop_block_profile): Declare.
5071         * builtins.c: Include value-prof.h.
5072         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
5073         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
5074         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
5075         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
5076         * profile.c (instrument_values): Add new counters.
5077         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
5078         calls.
5079         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
5080         (tree_init_edge_profiler): Build new profilers.
5081         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
5082         (pass_tree_profile): Add dump.
5083         (tree_profile_hooks): Update.
5084         * Makefile.in (LIBGCOV): Add new constants.
5085         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
5086         __gcov_ior_profiler): New.
5087         * i386.md (movmem/setmem expanders): Add new optional arguments.
5088
5089 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
5090
5091         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
5092
5093 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
5094
5095         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
5096         (tree_unswitch_single_loop): Pass eni_size_weights to
5097         tree_num_loop_insns.
5098         * tree-ssa-loop-manip.c: Include tree-inline.h.
5099         (can_unroll_loop_p): Pass eni_size_weights to
5100         tree_num_loop_insns.
5101         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
5102         Pass eni_size_weights to estimate_num_insns.
5103         * tree.h (init_inline_once): Export.
5104         * toplev.c (backend_init): Call init_inline_once.
5105         * cgraphunit.c (cgraph_process_new_functions,
5106         cgraph_analyze_function): Pass eni_inlining_weights to
5107         estimate_num_insns.
5108         * ipa-inline.c (compute_inline_parameters): Ditto.
5109         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
5110         to estimate_num_insns.
5111         (try_unroll_loop_completely): Pass eni_size_weights to
5112         tree_num_loop_insns.
5113         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
5114         ot estimate_num_insns.
5115         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
5116         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
5117         * tree-inline.c (eni_inlining_weights, eni_size_weights,
5118         eni_time_weights): New variables.
5119         (init_inline_once): Initialize them.
5120         (struct eni_data): Mew.
5121         (estimate_num_insns_1, estimate_num_insns): Use weights.
5122         * tree-inline.h (struct eni_weights_d): New.
5123         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
5124         (estimate_num_insns): Declaration changed.
5125         * cfgloop.h (tree_num_loop_insns): Declaration changed.
5126         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
5127         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
5128
5129 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
5130
5131         * tree-data-ref.c (conflict_fn): Assert that the number of affine
5132         relations in the conflict function is valid.
5133
5134 2007-01-27  Ian Lance Taylor  <iant@google.com>
5135
5136         * common.opt: Add fstrict-overflow.
5137         * opts.c (decode_options): Set flag_strict_overflow if -O2.
5138         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
5139         (TYPE_OVERFLOW_UNDEFINED): Define.
5140         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
5141         Replace all uses.
5142         * tree.h (TYPE_TRAP_SIGNED): Don't define.
5143         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
5144         (fold_negate_expr): Likewise.
5145         (make_range): Likewise.
5146         (extract_muldiv_1): Likewise.
5147         (maybe_canonicalize_comparison): Likewise.
5148         (fold_comparison): Likewise.
5149         (fold_binary): Likewise.
5150         (tree_expr_nonnegative_p): Likewise.
5151         (tree_expr_nonzero_p): Likewise.
5152         * tree-vrp.c (compare_values): Likewise.
5153         (extract_range_from_binary_expr): Likewise.
5154         (extract_range_from_unary_expr): Likewise.
5155         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
5156         Likewise.
5157         (nowrap_type_p): Likewise.
5158         * tree-scalar-evolution.c (simple_iv): Likewise.
5159         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
5160         (build_range_check): Likewise.
5161         (extract_muldiv_1): Likewise.
5162         (fold_comparison): Likewise.
5163         * tree-vrp.c (vrp_int_const_binop): Likewise.
5164         (extract_range_from_unary_expr): Likewise.
5165         * convert.c (convert_to_integer): Likewise.
5166         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
5167         (fold_comparison): Likewise.
5168         (fold_binary): Likewise.
5169         * optabs.c (optab_for_tree_code): Likewise.
5170         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
5171         * simplify-rtx.c (simplify_const_relational_operation): Check
5172         flag_strict_overflow and flag_trapv.
5173         (simplify_const_relational_operation): Likewise.
5174         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
5175         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
5176         -fstrict-overflow.
5177
5178 2007-01-27  Roger Sayle  <roger@eyesopen.com>
5179
5180         * tree.c (tree_fold_gcd): Delete.
5181         * tree.h (tree_fold_gcd): Remove prototype.
5182         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
5183         test whether one constant integer is a multiple of another.  Instead
5184         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
5185         * fold-const.c (multiple_of_p):  We've determined both TOP and
5186         BOTTOM are integer constants so we can call int_const_binop directly
5187         instead of the more generic const_binop.
5188
5189 2007-01-27  Roger Sayle  <roger@eyesopen.com>
5190
5191         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
5192         1*X check that the constant hasn't overflowed, to preserve the
5193         TREE_OVERFLOW bit.
5194         (round_up): Provide an efficient implementation when rouding-up an
5195         INTEGER_CST to a power-of-two.
5196
5197 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5198
5199         * doc/sourcebuild.texi: Add comma for clarity.
5200         * doc/extend.texi: Fix some typos.
5201         * doc/passes.texi: Likewise.
5202         * doc/cppinternals.texi: Likewise.
5203         * doc/c-tree.texi: Likewise.
5204         * doc/tree-ssa.texi: Likewise.
5205         * doc/install.texi: Likewise.
5206
5207 2007-01-27  Jan Hubicka  <jh@suse.cz>
5208
5209         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
5210         (pass_sra): Do not require alias information.
5211         * passes.c (init_optimization_passes): Add SRA
5212
5213 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
5214
5215         * tracer.c (rest_of_handle_tracer): We already cleaned
5216         up the CFG in tracer() so don't do it here again.
5217         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
5218         cleanup_cfg here, either.  And don't call renumber_insns.
5219
5220         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
5221         and BB_HEAD are in the insn stream here.  Instead make sure
5222         that BB_INSN is valid on all insns.  Also, do check here that
5223         there are no pending branch predictions...
5224         (rtl_verify_flow_info): ...instead of doing it here.  Checks
5225         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
5226         here.
5227
5228 2007-01-26  Roger Sayle  <roger@eyesopen.com>
5229
5230         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
5231         function to simplify/factorize operand order canonicalization.
5232         (ix86_fixup_binary_operands): Reorganize using the above function.
5233         (ix86_binary_operator_ok): Likewise.
5234
5235 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
5236
5237         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
5238         file scope from optimize_attrs.
5239         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
5240         up search.
5241         (optimize_attrs): Clear insn_code_values after freeing it.
5242
5243 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
5244
5245         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
5246         a parts.base assignment.
5247
5248 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
5249
5250         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
5251         (compute_subscript_distance, initialize_data_dependence_relation,
5252         finalize_ddr_dependent, analyze_ziv_subscript,
5253         analyze_siv_subscript_cst_affine,
5254         compute_overlap_steps_for_affine_univar,
5255         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
5256         analyze_siv_subscript, analyze_miv_subscript,
5257         analyze_overlapping_iterations, subscript_dependence_tester_1,
5258         compute_self_dependence, free_dependence_relation): Work
5259         with affine_fn instead of chrecs.
5260         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
5261         common_affine_function, affine_function_base,
5262         affine_function_constant_p, affine_fn_op, affine_fn_plus,
5263         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
5264         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
5265         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
5266         (all_chrecs_equal_p): Removed.
5267         * tree-data-ref.h (affine_fn, conflict_function): New types.
5268         (struct subscript): Change type of conflicting_iterations_in_a
5269         and conflicting_iterations_in_b.
5270
5271 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
5272
5273         PR other/30182
5274         * config/pa/pa.h (TARGET_HPUX_11): New.
5275         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
5276         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
5277
5278 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
5279         Richard Guenther  <rguenther@suse.de>
5280
5281         * tree-ssa-structalias.c (solve_graph): Handle case
5282         we merged the variable to another.
5283
5284 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5285
5286         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
5287         functions.
5288
5289         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
5290         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
5291
5292 2007-01-25  DJ Delorie  <dj@redhat.com>
5293
5294         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
5295         allow changes to modes which don't fit in those registers.
5296
5297         * reload1.c (choose_reload_regs): Check for invalid subregs before
5298         computing their locations, not after.
5299
5300 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
5301
5302         PR 25127
5303         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
5304         save Altivec registers in an eh_return function.
5305         (compute_vrsave_mask): Likewise.
5306         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
5307         for saving Altivec registers.
5308         (rs6000_emit_prologue): Don't allocate stack twice in
5309         eh_return function.  Correct expected value of altivec_save_offset
5310         when using save_world.  Describe save of R0 to stack when using
5311         save_world.  Describe stack pointer adjustment when using
5312         save_world.  Remove duplicated eh_return parameter register saving.
5313         Update sp_offset variable after save_world.
5314         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
5315         darwin-world.asm.
5316         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
5317         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
5318         implies Altivec.
5319
5320 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
5321
5322         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
5323
5324 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
5325
5326         PR other/30182
5327         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
5328         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
5329
5330 2007-01-25  Richard Guenther  <rguenther@suse.de>
5331
5332         * doc/invoke.texi (-Wcoverage-mismatch): Document.
5333         * common.opt (-Wcoverage-mismatch): New warning option.
5334         * coverage.c (get_coverage_counts): Ignore coverage mismatch
5335         if -Wcoverage-mismatch is given.
5336
5337 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
5338
5339         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
5340         (ipcp_driver): Change to static definition.
5341         Add dumping of the ifunctions.
5342         (constant_val_insert): Remove unused parameter. Support for SSA.
5343         (ipcp_propagate_const): Support for SSA.
5344         (ipcp_profile_bb_print): Print only analyzed nodes.
5345         (ipcp_replace_map_create): Remove support for Fortran constant
5346         for now.
5347         * ipa-prop.c (ipa_method_modify_stmt,
5348         ipa_callsite_compute_param): Support for SSA.
5349         * ipa-prop.h (ipcp_driver): Remove declaration.
5350         (IS_VALID_TREE_MAP_INDEX): Add define.
5351
5352 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
5353
5354         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
5355
5356 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5357
5358         PR middle-end/30447
5359         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
5360         constant argument to cabs and do it without checking for
5361         -funsafe-math-optimizations.
5362
5363 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
5364
5365         * c-common.h (RID_FIRST_CXX0X): New.
5366         (RID_LAST_CXX0X): New.
5367         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
5368         by -Wall.
5369         * c.opt (Wc++0x-compat): New.
5370         * doc/invoke.texi (-Wc++0x-compat): Document.
5371
5372 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5373
5374         * builtins.c (fold_builtin_carg): New.
5375         (fold_builtin_1): Use it.
5376
5377 2007-01-24  Jan Hubicka  <jh@suse.cz>
5378
5379         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
5380
5381         * ipa-inline.c (initial_insns, max_insns): Delete.
5382         (compute_max_insns): New function.
5383         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
5384         of insns as base for code growth.
5385         (cgraph_decide_inlining): Make initial_insns local; do not compute
5386         max_insns.
5387         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
5388         * doc/invoke.texi (inline-unit-growth): Update docs.
5389
5390 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
5391
5392         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
5393         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
5394         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
5395         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
5396         for CPUs that have PTA_CX16 set.
5397
5398         PR middle-end/27416
5399         * gimplify.c (omp_check_private): New function.
5400         (gimplify_scan_omp_clauses): Use it for
5401         firstprivate/lastprivate/reduction.
5402
5403         PR middle-end/30494
5404         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
5405         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
5406
5407         PR middle-end/30421
5408         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
5409         If lower_lastprivate_clauses emits some statements, append them
5410         to dlist rather than body_p and to body_p append an initializer.
5411         (lower_omp_for): Adjust caller.
5412
5413 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
5414
5415         * target.h (globalize_decl_name): New.
5416         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
5417         * output.h (default_globalize_decl_name): New.
5418         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
5419         globalize_label.
5420         (globalize_decl): Ditto.
5421         (default_globalize_decl_name): New.
5422         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
5423         (ia64_handle_version_id_attribute): New.
5424         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
5425         (ia64_asm_output_external): Use globalize_decl_name instead
5426         of globalize_label.
5427         * doc/extend.texi (version_id): New pragma.
5428         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
5429
5430 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
5431
5432         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
5433         _uleb128_t and _Unwind_SWord with _sleb128_t.
5434         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
5435         uw_frame_state_for, uw_update_context_1): Likewise.
5436         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
5437         * unwind-pe.h (read_uleb128, read_sleb128,
5438         read_encoded_value_with_base): Likewise.
5439         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
5440
5441 2007-01-24  Richard Guenther  <rguenther@suse.de>
5442
5443         * builtins.c (expand_builtin_cexpi): Get the fndecl
5444         for cexp in the correct way.
5445
5446 2007-01-24  Jan Hubicka  <jh@suse.cz>
5447
5448         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
5449
5450 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
5451
5452         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
5453         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
5454         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
5455         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
5456         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
5457         __SIZEOF_PTRDIFF_T__.
5458         * doc/cpp.texi: Documentation for the new builtin macros added.
5459
5460 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
5461
5462         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
5463         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
5464         instead of operands[2] to avoid access past the end of array.
5465
5466 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
5467
5468         * reload1.c (emit_reload_insns): Pass the reload register
5469         for a non-spill output reload through forget_old_reloads_1.
5470
5471 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
5472
5473         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
5474         _SOFT_DOUBLE if doubles use software floating-point.
5475         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
5476         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
5477         * config/rs6000/darwin-ldouble.c: Also compile functions for
5478         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
5479         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
5480         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
5481         commented-out long double override.
5482         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
5483         * config/rs6000/eabispe.h: Likewise.
5484         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
5485         long double for non-SPE.
5486         (rs6000_handle_option): Likewise.
5487         (invalid_e500_subreg): Disallow more subregs involding DImode,
5488         DFmode, TImode or TFmode.
5489         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
5490         E500 double.
5491         (legitimate_lo_sum_address_p): Also check for TFmode for E500
5492         double.
5493         (rs6000_legitimize_address): Also handle TFmode for E500 double.
5494         (rs6000_legitimize_reload_address): Also handle TFmode for E500
5495         double.
5496         (rs6000_legitimate_address): Also check for TFmode for E500
5497         double.
5498         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
5499         (spe_build_register_parallel): Handle TFmode and TCmode.
5500         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
5501         double.
5502         (function_arg): Handle TFmode and TCmode for E500 double.
5503         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
5504         in general.
5505         (print_operand): Handle TFmode and TImode for %y.
5506         (rs6000_generate_compare): Handle TFmode comparisons for E500
5507         double.
5508         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
5509         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
5510         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
5511         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
5512         TFmode for E500 double.
5513         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
5514         (floatsidf2): Enable for E500 double.
5515         (movtf_softfloat): Use rs6000_nonimmediate_operand.
5516         (extenddftf2): Change to extenddftf2_fprs.
5517         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
5518         depending on TARGET_E500_DOUBLE.
5519         (extendsftf2): Enable for E500 double.
5520         (trunctfdf2): Enable for E500 double.
5521         (trunctfsf2): Change to trunctfsf2_fprs.
5522         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
5523         depending on TARGET_E500_DOUBLE.
5524         (floatsitf2): Enable for E500 double.
5525         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
5526         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
5527         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
5528         (negtf2): Change to negtf2_internal.
5529         (negtf2): New expander.
5530         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
5531         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
5532         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
5533         (movdi_internal32): Use rs6000_nonimmediate_operand.
5534         (unnamed splitter): Likewise.
5535         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
5536         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
5537         (SPE64TF, DITI): New mode macros.
5538         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
5539         modes.
5540         (frob_tf_ti): New.
5541         (frob_<mode>_di_2): New.
5542         (frob_tf_di_8_2): New.
5543         (frob_di_df): Change to frob_di_<mode>; allow more modes.
5544         (frob_ti_tf): New.
5545         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
5546         more modes.
5547         (frob_ti_<mode>_8_2): New.
5548         (frob_ti_tf_2): New.
5549         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
5550         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
5551         TFmode.
5552         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
5553         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
5554         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
5555         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
5556         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
5557         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
5558         tsttflt_gp): New.
5559
5560 2007-01-23  Ian Lance Taylor  <iant@google.com>
5561
5562         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
5563         insn-*.o first.
5564         (OBJS-archive): Reformat, alphabetize.
5565         (OBJS): Change out_object_file to OBJS-md.
5566
5567 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
5568
5569         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
5570         JUMP_P and CALL_P predicates where applicable.
5571         * config/i386/i386.c: Ditto.
5572         * config/i386/i386.md: Ditto.
5573         * config/i386/mmx.md: Ditto.
5574         * config/i386/predicates.md: Ditto.
5575
5576 2007-01-22  Andreas Schwab  <schwab@suse.de>
5577
5578         * config/m68k/m68k.h: Fix comment.
5579
5580 2007-01-22  Jan Hubicka  <jh@suse.cz>
5581
5582         * passes.c (init_optimization_passes): Do not rerun
5583         pass_early_warn_uninitialized.
5584
5585 2007-01-22  Richard Guenther  <rguenther@suse.de>
5586
5587         PR tree-optimization/30038
5588         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
5589         function.
5590         (execute_cse_sincos_1): Likewise.
5591         (execute_cse_sincos): Likewise.
5592         (gate_cse_sincos): Likewise.
5593         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
5594         the cexpi() canonicalization of sincos().
5595         * tree-pass.h (pass_cse_sincos): Declare.
5596         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
5597
5598 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
5599
5600         PR rtl-optimization/29329
5601         * combine.c (replaced_rhs_insn): Rename to i2mod.
5602         (replaced_rhs_value): Rename to i2mod_new_rhs.
5603         (i2mod_old_rhs): New global variable.
5604         (combine_instructions): Adjust for above change.  Save a copy of
5605         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
5606         note are substituted in the second instruction.
5607         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
5608         ditch the note if it pertains to the second eliminated register
5609         and this register is mentioned in i2mod_old_rhs.
5610
5611         Revert:
5612         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
5613
5614         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
5615         the insn to which the note was originally attached.
5616
5617 2007-01-21  Jan Hubicka  <jh@suse.cz>
5618
5619         * ipa-inline.c (inlining_mode): Comment, move up.
5620         (cgraph_decide_inlining_incrementally): Do not perform inlining
5621         itself; fix handling of flattening of self recursive functions.
5622         (cgraph_find_cycles): Remove.
5623         (cgraph_flatten_node): Remove.
5624         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
5625         (try_inline): New function.
5626         (cgraph_early_inlining): Update call of
5627         cgraph_decide_inlining_incrementally.  Apply inlining here.
5628         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
5629
5630 2007-01-21  Dirk Mueller  <dmueller@suse.de>
5631
5632         PR bootstrap/30511
5633         * tree-vrp.c (check_array_bounds): do not warn
5634         about ADDR_EXPR's of ARRAY_REF's which are immediately
5635         used in binary expressions.
5636
5637 2007-01-21  Ira Rosen  <irar@il.ibm.com>
5638
5639         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
5640         read_write_dep and macros for its access.
5641         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
5642         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
5643         argument, call vect_check_interleaving for every independent pair of
5644         data-refs. Mark loads that access the same memory location as a store
5645         in the loop.
5646         (vect_check_dependences): Remove.
5647         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
5648         call, fix the call to vect_analyze_data_ref_dependence.
5649         (vect_analyze_data_ref_access): For statements that access the same
5650         data-ref, check that they are not stores; for loads, check that there
5651         is no store that access the same location.
5652
5653 2007-01-20  Roger Sayle  <roger@eyesopen.com>
5654             Joseph Myers  <joseph@codesourcery.com>
5655
5656         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
5657         (-fdump-rtl-stack): Likewise.
5658         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
5659         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
5660         (-mpt-fixed): Use @minus{} for minus sign.
5661         (Using Precompiled Headers): Fix under/overfull hbox.
5662
5663 2007-01-20  Jan Hubicka  <jh@suse.cz>
5664
5665         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
5666         place within annotation.
5667
5668 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5669
5670         * pa.c (output_move_double): Change array size of xoperands to 4.
5671
5672 2007-01-20  Jan Hubicka  <jh@suse.cz>
5673
5674         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
5675         as temporary.
5676
5677 2007-01-19  Ian Lance Taylor  <iant@google.com>
5678
5679         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
5680         constant to unsigned HOST_WIDE_INT before negating.
5681
5682 2007-01-19  Ian Lance Taylor  <iant@google.com>
5683
5684         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
5685         to unsigned.
5686         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
5687         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
5688         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
5689         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
5690         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
5691         (realloc_vdef, realloc_vuse): Change second parameter to
5692         unsigned.
5693         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
5694         fields to unsigned.
5695         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
5696         unsigned. Change x and lim locals to unsigned.
5697         (realloc_vdef, realloc_vuse): Change num_elem parameter to
5698         unsigned.
5699         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
5700         (copy_virtual_operands): Change i and n locals to unsigned.
5701
5702 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5703
5704         PR middle-end/29335
5705         * builtins.c (fold_builtin_1): Handle builtin fdim.
5706
5707 2007-01-20  Jan Hubicka  <jh@suse.cz>
5708
5709         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
5710         * tree-ssa-structalias.c (compute_points_to_sets): Do call
5711         init_alias_heapvars.
5712         (init_alias_heapvars): Initialize only when not already initialized.
5713         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
5714
5715 2007-01-19  Roger Sayle  <roger@eyesopen.com>
5716
5717         * common.opt (fsigned-zeros): New command line option.
5718         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
5719         of flag_unsafe_math_optimizations.
5720         * opts.c (set_fast_math_flags): The -ffast-math command line option
5721         implies -fno-signed-zeros.
5722         (fast_math_flags_set_p): Likewise.
5723
5724         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
5725         the documentation of -ffast-math appropriately.  Wrap long lines.
5726
5727 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
5728
5729         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
5730         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
5731
5732 2007-01-19  Tomas Bily  <tbily@suse.cz>
5733
5734         * cgraphunit.c (cgraph_finalize_function): Updating of pid
5735         * tree-profile.c:
5736         (tree_init_ic_make_global_vars): New function
5737         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
5738         (tree_gen_ic_profiler): New function
5739         (tree_gen_ic_func_profiler): New function
5740         (tree_profiling): Added calling of tree_gen_ic_func_profiler
5741         (tree_profile_hooks): Added hook for indirec/virtual calls
5742         * value-prof.c (tree_find_values_to_profile): New case for
5743         indirect calls
5744         (tree_values_to_profile): Call for determining indirect/virtual
5745         counters
5746         (tree_indirect_call_to_profile): New function
5747         (tree_ic_transform): New function
5748         (tree_ic): New function
5749         (find_func_by_pid): New function
5750         (init_pid_map): New function
5751         (tree_value_profile_transformations): Added check for
5752         indirect/virtual call transformation
5753         * value-prof.h (enum hist_type): New counter type for
5754         indirect/virtual calls
5755         (profile_hooks): Added new hook for profiling indirect/virtual
5756         calls
5757         * profile.c (instrument_values): New case for indirect/virtual
5758         call added
5759         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
5760         (GCOV_COUNTER_V_INDIR): New counter type
5761         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
5762         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
5763         call added
5764         * cgraph.c: Definition of cgraph_max_pid
5765         (cgraph_create_node): Default init of pid attribute
5766         * cgraph.h: Declaration of cgraph_max_pid
5767         (struct cgraph_node): Added pid attribute
5768         * libgcov.c (__gcov_indirect_call_profiler): New function
5769         (__gcov_one_value_profiler_body): New function
5770         (__gcov_one_value_profiler): Body was moved to
5771         __gcov_one_value_profiler_body and calls it
5772
5773 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
5774
5775         * doc/gty.texi (Options): Document the mark_hook option to GTY.
5776         * gengtype.c (write_types_data, write_func_for_structure,
5777         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
5778         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
5779         (walk_type, write_func_for_structure): Generate the mark_hook if
5780         needed.
5781
5782 2007-01-19  Jan Hubicka  <jh@suse.cz>
5783
5784         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
5785         'early' argument take inlining mode argument specifying whether to
5786         inline for size/speeed or all functions; add support for flattening;
5787         improve dumpting.
5788         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
5789
5790 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5791
5792         PR c++/17947
5793         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
5794         the name of the declared identifier.
5795
5796 2007-01-19  Dirk Mueller  <dmueller@suse.de>
5797
5798         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
5799         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
5800         duplicate evaluation.
5801
5802 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
5803
5804         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
5805         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
5806         to XFMode, use acosxf2 and truncate result to requested mode.
5807         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
5808         (asin<mode>2): Similarly, with asin expanders.
5809         (*fscalexf4_i387): Rename from *fscalexf4.
5810         (expNcorexf3): New expander.
5811         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
5812         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
5813         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
5814         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
5815         patterns for SSE math.
5816         (exp10<mode>2): Similarly, with exp10 expanders.
5817         (exp2<mode>2): Similarly, with exp2 expanders.
5818         (expm1<mode>2): Similarly, with expm1 expanders.
5819         (ldexp<mode>3): Similarly, with ldexp expanders.
5820         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
5821         Use gen_truncxf<mode>2_i387_noop to truncate result.
5822
5823 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
5824
5825         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
5826         for ColdFire targets.
5827
5828 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
5829             Richard Sandiford  <richard@codesourcery.com>
5830
5831         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
5832         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
5833         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
5834         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
5835         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
5836         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
5837
5838 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
5839
5840         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
5841         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
5842         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
5843         (*adddi_dilshr32_cf): New pattern.
5844         (adddi3, subdi3): Remove first alternatives.
5845
5846 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
5847
5848         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
5849         implemented using move.l, do not use its cc result for floating-point
5850         comparisons.
5851
5852 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
5853
5854         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
5855         from accepting 's' constraints if flag_pic.
5856
5857 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
5858
5859         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
5860         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
5861         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
5862         condition from TARGET_68881 to TARGET_HARD_FLOAT.
5863
5864 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
5865
5866         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
5867         ColdFire alternatives.
5868         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
5869         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
5870         architectures that support ff1 instruction.
5871
5872 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
5873             Julian Brown  <julian@codesourcery.com>
5874
5875         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
5876         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
5877         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
5878         Add commentary.
5879
5880 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
5881
5882         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
5883         and return a bool.
5884         (output_move_const_into_data_reg, output_move_simode_const): Delete.
5885         * config/m68k/m68k.c (const_method, const_int_cost): Take a
5886         HOST_WIDE_INT instead of an rtx.
5887         (m68k_rtx_costs): Update call accordingly.
5888         (output_move_const_into_data_reg): Likewise.  Fix formatting.
5889         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
5890         Return a bool.
5891         (output_move_simode_const): Update calls after above changes.
5892         Rework to use automatic variables and predicates like MEM_P.
5893         * config/m68k/m68k.md (pushexthisi_const): Update call to
5894         valid_mov3q_const.
5895
5896 2007-01-19  Dirk Mueller  <dmueller@suse.de>
5897
5898         * tree-ssa-alias.c (perform_var_substitution): Fix typo
5899         in dump_flags test.
5900
5901 2007-01-19  Richard Guenther  <rguenther@suse.de>
5902
5903         * builtins.c (expand_builtin_cexpi): Fall back to expanding
5904         via cexp in case sincos is not available.
5905
5906 2007-01-19  Richard Guenther  <rguenther@suse.de>
5907
5908         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
5909         * defaults.h (TARGET_HAS_SINCOS): Default to off.
5910         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
5911         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
5912         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
5913         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
5914         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
5915         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
5916
5917 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
5918
5919         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
5920         New insn patterns.
5921         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
5922         (atan2xf3): Directly generate RTL pattern.
5923         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
5924         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
5925         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
5926         disable patterns for SSE math.
5927         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
5928         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
5929         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
5930         disable patterns for SSE math.
5931
5932 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
5933
5934         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
5935
5936 2007-01-18  Roger Sayle  <roger@eyesopen.com>
5937
5938         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
5939         VIEW_CONVERT_EXPR to the same type as it's operand.
5940
5941 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
5942
5943         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
5944         configured for long double 128.
5945
5946 2007-01-18  Mike Stump  <mrs@apple.com>
5947
5948         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
5949         error.
5950
5951 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
5952
5953         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
5954         type correct.
5955
5956 2007-01-18  Jan Hubicka  <jh@suse.cz>
5957
5958         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
5959         greater than NUM_VOP_FREE_BUCKETS.
5960
5961 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
5962
5963         * tree-ssa-structalias.c: Update comments.
5964         (ptabitmap_obstack): Removed.
5965         (pta_obstack): New.
5966         (oldpta_obstack): Ditto.
5967         (stats): Add a few members.
5968         (struct variable_info): Remove node, complex, address_taken, and
5969         indirect_target members. Add oldsolution member.
5970         (new_var_info): Do not initialize removed members.
5971         (constraint_expr_type): Remove INCLUDES.
5972         (constraint_graph): Add size, implicit_preds, rep,
5973         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
5974         (FIRST_REF_NODE): New macro.
5975         (LAST_REF_NODE): Ditto.
5976         (FIRST_ADDR_NODE): Ditto.
5977         (find): New function.
5978         (unite): Ditto.
5979         (dump_constraint): Do not handle INCLUDES.
5980         (insert_into_complex): Do not insert duplicate constraints.
5981         (condense_varmap_nodes): Renamed and rewritten into ...
5982         (merge_node_constraints): This. Also fix bug in handling of
5983         offseted copy constraints.
5984         (clear_edges_for_node): No longer need to deal with preds at all,
5985         or removing associated preds/succs.
5986         (merge_graph_nodes): Deal with indirect_cycles.
5987         Don't deal with predecessors.
5988         (add_implicit_graph_edge): New function.
5989         (add_pred_graph_edge): Ditto.
5990         (add_graph_edge): Don't deal with predecessors.
5991         (build_constraint_graph): Removed.
5992         (build_pred_graph): New function.
5993         (build_succ_graph): Ditto.
5994         (struct scc_info): Removed in_component. Added roots, dfs, and
5995         node_mapping. Remove visited_index, unification_queue.
5996         (scc_visit): Deal with union-find we do now.
5997         Deal with cycles with REF nodes.
5998         (collapse_nodes): Renamed and rewritten to ...
5999         (unify_nodes): This.
6000         (process_unification_queue): Removed.
6001         (topo_visit): Cleanup
6002         (do_da_constraint): Use find.
6003         (do_sd_constraint): Ditto.
6004         (do_ds_constraint): Ditto.
6005         (do_complex_constraint): Ditto.
6006         (init_scc_info): Update for removed and added members.
6007         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
6008         (find_indirect_cycles): This.
6009         (equivalence_class): New variable.
6010         (label_visit): New function.
6011         (perform_variable_substitution): Rewritten.
6012         (free_var_substitution_info): New function.
6013         (find_equivalent_node): Ditto.
6014         (move_complex_constraints): Ditto.
6015         (eliminate_indirect_cycles): Ditto.
6016         (solve_graph): Only propagate changed bits.
6017         Use indirect cycle elimination.
6018         Use find.
6019         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
6020         (tree_id_eq): Renamed to ...
6021         (tree_vi_eq): This. Update for member change
6022         (insert_id_for_tree): Renamed and rewritten to ...
6023         (insert_vi_for_tree): This.
6024         (lookup_id_for_tree): Renamed and rewritten to ...
6025         (lookup_vi_for_tree): This.
6026         (get_id_for_tree): Renamed and rewritten to ...
6027         (get_vi_for_tree): Ditto.
6028         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
6029         (process_constraint): Don't handle INCLUDES.
6030         Remove special ADDRESSOF case.
6031         (find_func_aliases): Rewrite to use vi functions instead of id
6032         ones.
6033         (create_function_info_for): Ditto.
6034         (create_variable_info_for): Ditto.
6035         (intra_create_variable_infos): Ditto.
6036         (merge_smts_into): Ditto.
6037         (find_what_p_points_to): Ditto.
6038         (init_base_vars): Ditto.
6039         (init_alias_vars): Ditto.
6040         (remove_preds_and_fake_succs): New function.
6041         (dump_sa_points_to_info): Dump new stats.
6042         (dump_solution_for_var): Use find.
6043         (set_used_smts): Fix formatting.
6044         (compute_points_to_sets): Updated for new functions.
6045         (ipa_pta_execute): Ditto.
6046
6047 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
6048             Richard Sandiford  <richard@codesourcery.com>
6049
6050         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
6051         parallels.
6052         * calls.c (expand_call): If the return value is a PARALLEL,
6053         extract its first member.
6054         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
6055         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
6056         use FUNCTION_EXTRA_EPILOGUE.
6057         (m68k_function_value): Return a PARALLEL if the return value
6058         is of a pointer type.
6059         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
6060         (FUNCTION_EXTRA_EPILOGUE): Remove.
6061         * config/m68k/m68k.md (D0_REG): New constant.
6062
6063 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
6064
6065         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
6066         output a NOP for empty epilogues.
6067
6068 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
6069
6070         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
6071         before function.  Extend register save check to include all
6072         registers, not just integer ones.
6073
6074 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
6075
6076         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
6077         (m68k_use_return_insn): ...this.
6078         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
6079         * config/m68k/m68k.c (use_return_insn): Rename to...
6080         (m68k_use_return_insn): ...this.
6081         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
6082         of USE_RETURN_INSN.
6083
6084 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
6085
6086         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
6087         nearest even, fix denormal rounding overflow.
6088
6089 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
6090
6091         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
6092         f%$smove and f%$move.
6093         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
6094         (extendsfdf2_cf): Use fdmove instead of f%&move.
6095         (truncdfsf2_cf): Use fsmove instead of f%$smove.
6096         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
6097
6098 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
6099
6100         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
6101         GPR<-GPR moves.
6102
6103 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
6104
6105         * real.h (real_format): Add a canonical_nan_lsbs_set field.
6106         (coldfire_single_format): Declare.
6107         (coldfire_double_format): Likewise.
6108         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
6109         of qnan_msb_set to determine the lower bits of a canonical
6110         NaN significand.
6111         (encode_ieee_double): Likewise.
6112         (encode_ieee_quad): Likewise.
6113         (ieee_single_format): Initialize canonical_nan_lsbs_set.
6114         (mips_single_format): Likewise.
6115         (ieee_double_format): Likewise.
6116         (mips_double_format): Likewise.
6117         (ieee_extended_motorola_format): Likewise.
6118         (ieee_extended_intel_96_format): Likewise.
6119         (ieee_extended_intel_128_format): Likewise.
6120         (ieee_extended_intel_96_round_53_format): Likewise.
6121         (ibm_extended_format): Likewise.
6122         (mips_extended_format): Likewise.
6123         (ieee_quad_format): Likewise.
6124         (mips_quad_format): Likewise.
6125         (vax_f_format): Likewise.
6126         (vax_d_format): Likewise.
6127         (vax_g_format): Likewise.
6128         (i370_single_format): Likewise.
6129         (i370_double_format): Likewise.
6130         (decimal_single_format): Likewise.
6131         (decimal_double_format): Likewise.
6132         (decimal_quad_format): Likewise.
6133         (c4x_single_format): Likewise.
6134         (c4x_extended_format): Likewise.
6135         (real_internal_format): Likewise.
6136         (coldfire_single_format): New real_format.
6137         (coldfire_double_format): Likewise.
6138         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
6139         canonical_nan_lsbs_set.
6140         (pdp11_d_format): Likewise.
6141         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
6142         if TARGET_COLDFIRE_CPU.
6143
6144 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
6145
6146         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
6147         (output_call, m68k_legitimize_call_address): Declare.
6148         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
6149         parenthesees.  Add support for a 'W' constraint.
6150         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
6151         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
6152         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
6153         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
6154         variables.
6155         (override_options): Initialize them.  Do not set flag_no_function_cse
6156         for TARGET_ID_SHARED_LIBRARY.
6157         (m68k_output_pic_call): Delete.
6158         (m68k_legitimize_call_address): New function.
6159         (print_operand): Remove the %o prefix.  Handle the %p prefix.
6160         (output_call): New function.
6161         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
6162         target address from the GOT if symbolic jumps are not allowed.
6163         * config/m68k/m68k.md (call, general_operand): Do not set
6164         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
6165         Merge separate flag_pic and !flag_pic define_insns into...
6166         (*call, *call_value): ...these new patterns.  Match the address
6167         rather than the containing MEM and require it to be a call_operand.
6168         Use output_call to generate the asm template.
6169         * config/m68k/predicates.md (const_call_operand): New predicate.
6170         (call_operand): Likewise.
6171
6172 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
6173
6174         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
6175         (STACK_GROWS_DOWNWARD): Define to 1.
6176         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
6177         comments, emphasizing that these values are only defaults.
6178         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
6179         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
6180
6181 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
6182
6183         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
6184
6185 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
6186             Richard Sandiford  <richard@codesourcery.com>
6187
6188         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
6189         (FP_REGNO_P): New macros.
6190         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
6191         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
6192         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
6193         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
6194
6195 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
6196
6197         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
6198         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
6199         to $tmake_file.
6200         * config/m68k/t-floatlib: New file, extracting common code from...
6201         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
6202         * config/m68k/t-uclinux: Here.
6203         * config/m68k/fpgnulib.c: Do not compile extendeed precision
6204         routines on ColdFire targets.
6205
6206 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
6207
6208         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
6209         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
6210         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
6211         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
6212         explicitly set MOTOROLA to 1.
6213         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
6214
6215 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
6216             Nathan Sidwell  <nathan@codesourcery.com>
6217
6218         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
6219         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
6220         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
6221         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
6222         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
6223         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
6224         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
6225         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
6226         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
6227         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
6228         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
6229         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
6230         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
6231         (DBX_REGISTER_NUMBER): Delete.
6232         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
6233         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
6234         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
6235
6236 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
6237
6238         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
6239         * config/flat.h: New file.
6240         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
6241         OBJECT_FORMAT_FLAT.
6242         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
6243         indirect references for -msep-data or -mid-shared-library.
6244         Do not use PC-relative code addresses either.
6245         * config/m68k/m68k.c (override_options): Restrict -fPIC error
6246         to -mpcrel.
6247         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
6248         for shared libraries and crt1.o for executables.  Use crti.o and
6249         crtbegin.o.
6250         (ENDFILE_SPEC): Use crtend.o and crtn.o.
6251         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
6252         Do not add -elf2flt or -shared-lib-id options here.
6253         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
6254         Pass -shared-lib-id if -mid-shared-library, taking the library
6255         identifier from -mshared-library-id if given, otherwise
6256         defaulting to 0.
6257         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
6258         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
6259         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
6260         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
6261         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
6262         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
6263         and crtend.o.
6264         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
6265         jump sequence for ISA A and ISA A+.
6266         (PICJUMP): Likewise.
6267
6268 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
6269
6270         * config.gcc (m68k-*-uclinux*): Base the port on the common
6271         and m68k GNU/Linux files rather than on the generic ELF ones.
6272         * config/m68k/uclinux.h (TARGET_VERSION): Override.
6273         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
6274
6275 2007-01-18  Julian Brown  <julian@codesourcery.com>
6276             Richard Sandiford  <richard@codesourcery.com>
6277
6278         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
6279         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
6280         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
6281         before redefining.
6282         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
6283         80 unconditionally.
6284         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
6285
6286 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
6287
6288         * doc/install.texi: Document m68k-uclinuxoldabi.
6289         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
6290         * config/m68k/uclinux-oldabi.h: New file, copied from
6291         config/m68k/uclinux.h.
6292
6293 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
6294
6295         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
6296         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
6297         (m32r_compute_frame_size): Use unsigned for regno.
6298         (m32r_reload_lr): Use gen_frame_mem.
6299         (pop): New.
6300         (m32r_output_function_epilogue): Don't output the function epilogue
6301         textually here.
6302         (m32r_expand_epilogue): New.
6303         (direct_return): Return false if the function has the interrupt
6304         attribute.
6305         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
6306         * config/m32r/m32r.md (epilogue): New expander.
6307         (return_lr, return_rte): New insns.
6308         (return): Make it expander.
6309         (return_normal): New expander.
6310
6311 2007-01-18  Josh Conner  <jconner@apple.com>
6312
6313         PR target/30485
6314         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
6315         support for UNLE, UNLT, UNGE, and UNGT.
6316
6317 2007-01-18  Jan Hubicka  <jh@suse.cz>
6318
6319         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
6320         * tree-tailcall (add_virtual_phis): Likewise.
6321         (optimize_tail_call): Return TODOs.
6322         (execute_tail_calls): Return TODOs.
6323         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
6324         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
6325         changed.
6326         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
6327         Cleanup cfg using TODO.
6328         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
6329         * passes.c (execute_function_todo): When cleanup did something, remove
6330         unused locals.
6331         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
6332         (make_edges): Don't cleanup_cfg.
6333
6334 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
6335
6336         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
6337         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
6338         operate on the top of stack.
6339         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
6340         register handling of instructions that output to the second
6341         stack slot.
6342         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
6343         (move_for_stack_reg): Special-case check for dead destination
6344         stack slot for constant load of 1.0 inside UNSPEC_TAN.
6345
6346         * config/i386/i386.md (UNSPEC_TAN): New constant.
6347         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
6348         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
6349         to correctly model move of constant 1.0 to top stack slot.
6350         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
6351         (unnamed peephole2 pattern): Remove corresponding peephole2
6352         pattern that optimizes tan insn and loading of constant 1.0.
6353         (tanxf2): Use fptanxf4_i387.
6354         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
6355         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
6356         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
6357         disable patterns for SSE math.
6358         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
6359         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
6360
6361 2007-01-18  Dirk Mueller  <dmueller@suse.de>
6362             Richard Guenther <rguenther@suse.de>
6363
6364         PR diagnostic/8268
6365         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
6366         * common.opt (Warray-bounds): Add new warning option.
6367         * c-opts.c (c_common_handle_option): Define -Warray-bounds
6368         if -Wall is given.
6369         * Makefile.in: make tree-vrp.o depend on toplev.h
6370         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
6371         is enabled.
6372         (check_array_refs, check_array_bounds, check_array_ref): New.
6373
6374 2007-01-18  Jan Hubicka  <jh@suse.cz>
6375
6376         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
6377         (execute_ssa_ccp): Return flags conditionally.
6378         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
6379         changed.
6380         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
6381
6382 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
6383
6384         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
6385         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
6386
6387         * Makefile.c (GTFILES): Add cfglayout.h.
6388         * gengtype.c (open_base_files): Likewise.
6389         * cfglayout.c (cfg_layout_function_footer,
6390         cfg_layout_function_header) Reindent to make gengtype happy.
6391         * cfglayout.h (cfg_layout_function_footer,
6392         cfg_layout_function_header): Add GTY(()) marker.
6393
6394         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
6395
6396 2007-01-18  Ben Elliston  <bje@au.ibm.com>
6397
6398         * genautomata.c (write_automata): Include xstrerror output in the
6399         error message if writing the DFA description file fails.
6400
6401 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
6402
6403         * config/mips/mips-protos.h (mips_output_external): Make it
6404         return void.
6405         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
6406         * config/mips/mips.c (irix_output_external_libcall): Likewise.
6407         (extern_list): Likewise.
6408         (extern_head): Likewise.
6409         (TARGET_ASM_FILE_END): Likewise.
6410         (mips_file_end): Likewise.
6411         (mips_output_external): Rewritten.
6412
6413 2007-01-18  Ben Elliston  <bje@au.ibm.com>
6414
6415         * genpreds.c (write_insn_preds_c): Only write out the function
6416         body for regclass_for_constraint if we have register constraints.
6417
6418 2007-01-17  Tom Tromey  <tromey@redhat.com>
6419
6420         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
6421         * doc/install.texi (Testing): Use sourceware.org.
6422         (Binaries): Likewise.
6423         (Specific): Likewise.
6424         * doc/contrib.texi (Contributors): Use sourceware.org.
6425
6426 2007-01-17  Anatoly Sokolov <aesok@post.ru>
6427
6428         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
6429         (AVR_ENHANCED): Rename to ...
6430         (AVR_HAVE_MUL): ... new.
6431         (avr_enhanced_p): Rename to ...
6432         (avr_have_mul_p): ... new.
6433         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
6434         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
6435         * config/avr/avr.c (avr_enhanced_p): Rename to ...
6436         (avr_have_mul_p): ... new.
6437         (base_arch_s): Rename 'enhanced' to 'have_mul'.
6438         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
6439         'avr_enhanced_p' and 'enhanced'.
6440         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
6441         AVR_HAVE_MUL instead of AVR_ENHANCED.
6442         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
6443         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
6444         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
6445         instead of AVR_ENHANCED.
6446         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
6447         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
6448         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
6449
6450 2007-01-17  Ian Lance Taylor  <iant@google.com>
6451
6452         * vec.h (VEC_reserve_exact): Define.
6453         (vec_gc_p_reserve_exact): Declare.
6454         (vec_gc_o_reserve_exact): Declare.
6455         (vec_heap_p_reserve_exact): Declare.
6456         (vec_heap_o_reserve_exact): Declare.
6457         (VEC_OP (T,A,reserve_exact)): New static inline function, three
6458         versions.
6459         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
6460         negative parameter.
6461         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
6462         (VEC_OP (T,A,copy)) [all versions]: Likewise.
6463         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
6464         * vec.c (calculate_allocation): Add exact parameter.  Change all
6465         callers.
6466         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
6467         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
6468         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
6469         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
6470         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
6471         (vec_heap_p_reserve_exact): New function.
6472         (vec_heap_o_reserve_exact): New function.
6473
6474 2007-01-17  Jan Hubicka  <jh@suse.cz>
6475
6476         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
6477
6478 2007-01-17  Eric Christopher  <echristo@apple.com>
6479
6480         * config.gcc: Support core2 processor.
6481
6482 2007-01-16  Jan Hubicka  <jh@suse.cz>
6483
6484         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
6485         the names, just unlink the chain so we don't crash on dangling pointers
6486         to dead SSA names.
6487
6488 2007-01-16  Jan Hubicka  <jh@suse.cz>
6489
6490         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
6491         * tree-pass.h: Reorder to make IPA passes appear toegher.
6492         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
6493         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
6494         parameters, do not call early inliner.
6495         * ipa-inline.c: Update comments.  Include tree-flow.h
6496         (cgraph_decide_inlining): Do not compute inlining parameters.
6497         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
6498         be called with function context set up.
6499         (pass_ipa_inline): Remove unreachable functions before pass.
6500         (cgraph_early_inlining): Simplify assuming to be called from the
6501         PM as local pass.
6502         (pass_early_inline): New pass.
6503         (cgraph_gate_ipa_early_inlining): New gate.
6504         (pass_ipa_early_inline): Turn into simple wrapper.
6505         (compute_inline_parameters): New function.
6506         (gate_inline_passes): New gate.
6507         (pass_inline_parameters): New pass.
6508         (apply_inline): Move here from tree-optimize.c
6509         (pass_apply_inline): New pass.
6510         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
6511         transforming.
6512         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
6513         doing them by hand.
6514         (tree_function_versioning): Do not allocate dummy struct function.
6515         * tree-inline.h (optimize_inline_calls): Update prototype.
6516         * tree-optimize.c (execute_fixup_cfg): Export.
6517         (pass_fixup_cfg): Remove
6518         (tree_rest_of_compilation): Do not apply inlines.
6519         * tree-flow.h (execute_fixup_cfg): Declare.
6520         * Makefile.in (gt-passes.c): New.
6521         * passes.c: Include gt-passes.h
6522         (init_optimization_passes): New passes.
6523         (nnodes, order): New static vars.
6524         (do_per_function_toporder): New function.
6525         (execute_one_pass): Dump current pass here.
6526         (execute_ipa_pass_list): Don't dump current pass here.
6527
6528 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
6529
6530         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
6531         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
6532
6533 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
6534
6535         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
6536         (strong_alias): Define.
6537         (__gcc_qmul): Provide non-FMA for soft-float.
6538         (__gcc_qdiv): Same.
6539         (__gcc_qneg): New.
6540         (__gcc_qeq): New.
6541         (__gcc_qle): New.
6542         (__gcc_qge): New.
6543         (__gcc_qunord): New.
6544         (__gcc_stoq): New.
6545         (__gcc_dtoq): New.
6546         (__gcc_qtos): New.
6547         (__gcc_qtod): New.
6548         (__gcc_qtoi): New.
6549         (__gcc_qtou): New.
6550         (__gcc_itoq): New.
6551         (__gcc_utoq): New.
6552         (fmsub): New.
6553         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
6554         soft-float functions.
6555         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
6556         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
6557         about long double soft float.
6558
6559 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
6560             Tehila Meyzels  <tehila@il.ibm.com>
6561
6562         * tree-vectorizer.h (is_pattern_stmt_p): New.
6563         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
6564         formatting (tabs instead of spaces). Cleanup and clarify setting
6565         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
6566         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
6567         (vectorizable_type_demotion): Check that types are integral.
6568         (vectorizable_type_promotion): Likewise.
6569         (vectorizable_store): Fix typo.  Eliminate new-line at end of
6570         comments.
6571
6572 2007-01-16  Jan Hubicka  <jh@suse.cz>
6573
6574         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
6575         cgraph edges too.
6576
6577 2007-01-15  Eric Christopher  <echristo@apple.com>
6578
6579         * ifcvt.c: Include vec.h, vecprim.h.
6580         (check_cond_move_block): New argument regs.
6581         Reorganize. Add registers used to regs.
6582         (cond_move_process_if_block): Use regs set above as
6583         loop bounds.
6584
6585 2007-01-15  Eric Christopher  <echristo@apple.com>
6586
6587         * config/darwin.h: Update copyright.
6588         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
6589         (LINK_COMMAND_SPEC): Add -u.
6590         (LINK_SPEC): Fix umbrella for above.
6591
6592 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
6593
6594         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
6595         glibc CVS.
6596
6597 2007-01-15  Tom Tromey  <tromey@redhat.com>
6598
6599         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
6600         * doc/install.texi (Testing): Don't mention jacks.
6601         (Configuration): Document --enable-java-maintainer-mode.  Move
6602         --with-java-home to libgcj-specific section.  Document
6603         --with-ecj-jar.
6604         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
6605
6606 2007-01-15  Jan Hubicka  <jh@suse.cz>
6607
6608         * tree-ssa-dce.c (DCE_TODOs): New.
6609         (propagate_necessity): Return if something changed.
6610         (eliminate_unnecessary_stmts): Likewise.
6611         (perform_tree_ssa_dce): Return TODO flags when needed.
6612         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
6613
6614 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
6615
6616         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
6617         (fyl2x_extend<mode>xf3_i387): New insn pattern.
6618         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
6619         patterns using X87MODEF12 mode macro.  Extend operand 1
6620         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
6621         (log10<mode>2): Ditto.
6622         (log2<mode>2): Ditto.
6623         (log1p<mode>2): Ditto.
6624         (logb<mode>2): Ditto.
6625         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
6626         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
6627         (*fxtractxf3_i387): Rename from *fxtractxf3.
6628         (fxtract_extend<mode>xf3_i387): New insn pattern.
6629         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
6630         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
6631         and gen_fyl2xxf3_i387().
6632
6633 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
6634
6635         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
6636         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
6637         get_loop_exit_edges.  Changed return type to bool.
6638         * cfgloop.h (fix_loop_placement): Declaration removed.
6639
6640 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
6641
6642         * param.h (MIN_VECT_LOOP_BOUND): New.
6643         * params.def (MIN_VECT_LOOP_BOUND): New.
6644         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
6645         argument - minimum threshold for number of iterations.
6646         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
6647         argument to declaration.
6648         * tree-vect-analyze.c (vect_analyze_operations): Check value of
6649         MIN_VECT_LOOP_BOUND.
6650         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
6651         slpeel_tree_peel_loop_to_edge with additional argument.
6652         (vect_do_peeling_for_alignment): Likewise.
6653         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
6654
6655 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
6656
6657         PR target/30413
6658         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
6659         operands of size 1.
6660
6661 2007-01-14  Jan Hubicka  <jh@suse.cz>
6662
6663         * tree-dfa.c (remove_referenced_var): New function.
6664         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
6665         prune referenced vars list too.
6666         * tree-flow.h (remove_referenced_var): Declare.
6667
6668 2007-01-14  Jan Hubicka  <jh@suse.cz>
6669
6670         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
6671         separately.
6672         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
6673         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
6674         * except.h (verify_eh_throw_table_statements): Kill prototype.
6675         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
6676         into call exrepssions.
6677         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
6678         eh trhow verifier.
6679         * tree-cfg.c: Include pointer-set.h.
6680         (verify_node_sharing): Work on pointer set.
6681         (verify_eh_throw_stmt_node): New.
6682         (verify_stmts): Use pointers sets, verify throw_stmt.
6683
6684 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
6685
6686         * ipa-reference.c (analyze_function): Consider also addresses taken
6687         in phi nodes.
6688
6689 2007-01-12  Roger Sayle  <roger@eyesopen.com>
6690
6691         * c-typeck.c (null_pointer_constant_p): Replace use of
6692         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
6693         (build_c_cast): Likewise.
6694
6695 2007-01-12  Roger Sayle  <roger@eyesopen.com>
6696
6697         * tree.h (force_fit_type_double): Remove unused final argument.
6698         * c-common.c (constant_expression_warning): Replace use of
6699         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
6700         (convert_and_check): Likewise.
6701         (shorten_compare): Update call to force_fit_type_double.
6702         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
6703         * convert.c (convert_to_pointer): Update call to
6704         force_fit_type_double.
6705         * fold-const.c (force_fit_type_double): Remove overflowed_const
6706         argument.
6707         (int_const_binop, fold_convert_const_int_from_int,
6708         fold_convert_const_int_from_real, fold_div_compare,
6709         fold_sign_changed_comparison, fold_unary, fold_negate_const,
6710         fold_abs_const, fold_not_const): Remove the final argument from
6711         calls to force_fit_type_double.
6712
6713 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6714
6715         * configure.ac: Set insn to "nop" for spu-*-* also.
6716         * configure: Regenerate.
6717
6718 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
6719
6720         * builtins.def : Add BUILT_IN_FREE.
6721
6722 2007-01-12  Jan Hubicka  <jh@suse.cz>
6723
6724         PR tree-optimization/30443
6725         * tree-inline.c (tree_function_versioning): Do not optimize when
6726         cloning for inlining.
6727
6728 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
6729
6730         * doc/loop.texi: Document recording of loop exits.
6731         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
6732         (update_single_exits_after_duplication,
6733         update_single_exit_for_duplicated_loop,
6734         update_single_exit_for_duplicated_loops): Removed.
6735         (duplicate_loop_to_header_edge): Do not call
6736         update_single_exits_after_duplication and
6737         update_single_exit_for_duplicated_loops.
6738         (loop_version): Do not update single_exit information.
6739         (fix_loop_structure): Use record_loop_exits instead of
6740         mark_single_exit_loops.
6741         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
6742         the lists of loop exits.
6743         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
6744         split_edge, merge_blocks): Update the lists of loop exits.
6745         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
6746         loop_optimizer_init.
6747         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
6748         of mark_single_exit_loops.
6749         (loop_optimizer_finalize): Call release_recorded_exits.
6750         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
6751         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
6752         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
6753         update single exit information.
6754         * lambda-code.c (perfect_nestify): Ditto.
6755         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
6756         (mark_single_exit_loops): Removed.
6757         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
6758         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
6759         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
6760         functions.
6761         (get_loop_exit_edges, single_exit): Use recorded exit lists.
6762         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
6763         (verify_loop_structure): Verify consistency of the exit lists.
6764         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
6765         (set_single_exit): Removed.
6766         * cfgloop.h (struct loop_exit): New function.
6767         (struct loop): single_exit_ field replaced by exits field.
6768         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
6769         (struct loops): Added exits hash.
6770         (mark_single_exit_loops, set_single_exit): Declaration removed.
6771         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
6772
6773 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
6774
6775         * doc/invoke.texi: Avoid use of @headitem.
6776
6777 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
6778
6779         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
6780
6781 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
6782
6783         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
6784         list of targets.
6785
6786 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
6787             Richard Sandiford  <richard@codesourcery.com>
6788
6789         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
6790         * config/m68k/m68k.opt: Resort options.
6791         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
6792
6793 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
6794             Richard Sandiford  <richard@codesourcery.com>
6795
6796         * doc/invoke.texi: Document the macros that are defined by
6797         m68k's -mtune and -mhard-float options.
6798         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
6799         (m68k_cpp_cpu_family): Likewise.
6800         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
6801         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
6802         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
6803         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
6804         (m68k_cpp_cpu_family): Likewise.
6805
6806 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
6807
6808         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
6809         macros besides mc68000 as tuning macros.  Use a switch statement
6810         to set them and mcpu32.
6811
6812 2007-01-12  Julian Brown  <julian@codesourcery.com>
6813
6814         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
6815         (TARGET_68040_ONLY): Rename to...
6816         (TARGET_68040): ...this.
6817         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
6818         * config/m68k/m68k.md: Likewise.
6819
6820 2007-01-12  Julian Brown  <julian@codesourcery.com>
6821             Nathan Sidwell  <nathan@codesourcery.com>
6822             Richard Sandiford  <richard@codesourcery.com>
6823
6824         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
6825         the -mcpu= argument associated with the --with-cpu setting.
6826         Define M68K_DEFAULT_TUNE to the default -mtune= option,
6827         if different from the one implied by the -mcpu setting.
6828         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
6829         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
6830         * doc/invoke.texi: Mention ColdFire in the introduction to the
6831         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
6832         -mno-div and -mhard-float options.  Make -m68881 a synonym for
6833         -mhard-float.  Document the previously-undocumented -m5206e,
6834         -m528x, -m5307 and -m5407 options.  Tweak the existing option
6835         documentation for consistency.
6836         * doc/install.texi: Mention new --with-cpu arguments.
6837         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
6838         default CPU if neither -mcpu nor -march are specified.
6839         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
6840         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
6841         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
6842         using m68k_tune to decide between families that implement the
6843         same ISA.  Use m68k_tune to set __mcfv4e__.
6844         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
6845         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
6846         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
6847         (FL_ISA_C, FL_ISA_MMU): New macros.
6848         (MASK_COLDFIRE): Delete.
6849         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
6850         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
6851         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
6852         (TARGET_HARD_FLOAT): Do not define here.
6853         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
6854         (TUNE_68000): New macro.
6855         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
6856         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
6857         (TUNE_CFV2): Redefine in terms of m68k_tune.
6858         (uarch_type, target_device, fpu_type): New enums.
6859         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
6860         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
6861         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
6862         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
6863         (FL_FOR_isa_c): New macros.
6864         (m68k_isa): New enum.
6865         (m68k_target_selection): New structure.
6866         (all_devices, all_isas, all_microarchs): New tables.
6867         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
6868         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
6869         (MASK_ALL_CPU_BITS): Delete.
6870         (m68k_find_selection): New function.
6871         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
6872         Map the legacy target options to a combination of the new ones.
6873         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
6874         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
6875         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
6876         settings.
6877         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
6878         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
6879         properties.
6880         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
6881         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
6882         * config/m68k/m68k-devices.def: New file.
6883
6884 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
6885             Nathan Sidwell  <nathan@codesourcery.com>
6886
6887         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
6888         (SUBTARGET_EXTRA_SPECS): New macros.
6889         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
6890         use %(asm_cpu_spec) instead.
6891         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
6892         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
6893         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
6894         (EXTRA_SPECS): Rename to...
6895         (SUBTARGET_EXTRA_SPECS): ...this.
6896
6897 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
6898             Richard Sandiford  <richard@codesourcery.com>
6899             Julian Brown  <julian@codesourcery.com>
6900
6901         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
6902         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
6903         to the configuration's default CPU.
6904         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
6905         Remove default masks.
6906         (m680[012]0-*-*): Set the default with_cpu to the first part of
6907         the target name.
6908         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
6909         (m68k*-*-linux): Extend the --with-cpu handling to...
6910         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
6911         and m68010.  Don't set target_cpu_default2.
6912         * doc/install.texi: Document --with-cpu for m68k.
6913         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
6914         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
6915         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
6916         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
6917         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
6918         (ASM_SPEC): Remove use of %(asm_cpu_default).
6919         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
6920         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
6921         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
6922         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
6923         __HAVE_FPU__ if TARGET_HARD_FLOAT.
6924         (TARGET_DEFAULT): Delete.
6925         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
6926         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
6927         (CPP_CPU_SPEC): Delete.
6928         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
6929         the appropriate string.
6930         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
6931         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
6932         (ASM_SPEC): Don't use %(asm_default_spec).
6933         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6934         TARGET_DEFAULT and add MASK_68881.
6935         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
6936
6937 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
6938
6939         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
6940         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
6941         MASK_68010 alongside MASK_68020.
6942         * doc/invoke.texi: Document -m68010.
6943         * config/m68k/m68k.opt (m68010): New.
6944         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
6945         if TUNE_68010.
6946         (TUNE_68010): New macro.
6947         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
6948         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
6949         (M68K_CPU_m68332): Add MASK_68010.
6950         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
6951         fallback definition.
6952         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
6953         defines.
6954         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
6955         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
6956         to all entries that use MASK_68020.
6957         (output_move_simode_const, output_move_himode, output_move_qimode)
6958         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
6959         instead of TARGET_68020 to select clr behavior.  Remove comment
6960         about there being no TARGET_68010.
6961         * config/m68k/m68k.md: Likewise throughout.
6962
6963 2007-01-12  Julian Brown  <julian@codesourcery.com>
6964
6965         * config/m68k/m68k.h (TARGET_ISAB): New macro.
6966         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
6967         * config/m68k/m68k.md: Likewise.
6968
6969 2007-01-12  Julian Brown  <julian@codesourcery.com>
6970
6971         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
6972         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
6973
6974 2007-01-12  Julian Brown  <julian@codesourcery.com>
6975
6976         * config/m68k/m68k.h (TUNE_68040_60): New macro.
6977         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
6978         * config/m68k/m68k.md: Likewise.
6979
6980 2007-01-12  Julian Brown  <julian@codesourcery.com>
6981             Richard Sandiford  <richard@codesourcery.com>
6982
6983         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
6984         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
6985         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
6986         TARGET_CPU32.
6987         (TARGET_CPU32): Rename to...
6988         (TUNE_CPU32): ...this.
6989         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
6990         (TUNE_CFV2): New macros.
6991         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
6992         remove conditions that are implied by TARGET_68020.
6993         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
6994         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
6995         (m68k_output_function_epilogue): Likewise.
6996         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
6997         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
6998         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
6999         non-68000 timings.  Refactor multiplication and division costs.
7000         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
7001         TUNE_CPU32 instead of TARGET_CPU32.
7002         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
7003         and TUNE_68060 instead of TARGET_68060.
7004         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
7005         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
7006         TARGET_CPU32.
7007         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
7008         && !TARGET_COLDFIRE" to choose between moveq and clr.
7009         Likewise in the unnamed movsf pattern.
7010         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
7011         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
7012         ashiftrt pattern.
7013
7014 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
7015
7016         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
7017         of tabbing before backslashes.
7018
7019 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7020
7021         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
7022         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
7023         (ASM_OUTPUT_INTERNAL_LABEL): Define.
7024
7025 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
7026
7027         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
7028         find_interesting_uses_cond.
7029         (find_interesting_uses_cond): Use extract_cond_operands.
7030         (rewrite_use_compare): Use extract_cond_operands and
7031         force_gimple_operand_bsi.  Do not call update_stmt.
7032         (determine_use_iv_cost_condition): Use extract_cond_operands.
7033         Return cheaper of using original bound and changing the exit bound.
7034
7035 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
7036
7037         PR tree-optimization/29516
7038         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
7039         most_expensive_mult_to_index, addr_to_parts,
7040         create_mem_ref, maybe_fold_tmr): Make the type of
7041         fields of TARGET_MEM_REF sizetype.
7042         (move_fixed_address_to_symbol, move_pointer_to_base):
7043         New functions.
7044         * tree.def (TARGET_MEM_REF): Add comment on types of
7045         the operands.
7046
7047 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
7048
7049         * c-common.c (vector_types_convertible_p): Treat opaque types as
7050         always convertible if they have the same size, but not otherwise.
7051
7052 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
7053
7054         * ifcvt.c (struct noce_if_info): Add comments to the fields.
7055         Remove the b_unconditional field.
7056         (noce_try_sign_mask): Do not look at b_unconditional.
7057         (noce_process_if_block): Do not use merge_if_blocks.  Update
7058         the CFG here.  Do not set b_unconditional.
7059         (cond_move_process_if_block): Likewise.
7060         (find_cond_trap): Likewise.
7061         (check_cond_move_block): Require simple jump insns at the end
7062         of the basic block.
7063
7064 2007-01-11  Jan Hubicka  <jh@suse.cz>
7065
7066         PR tree-optimization/1046
7067         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
7068         when alias info is not ready.
7069         (pass_tail_recursion): Do not require aliasing.
7070         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
7071         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
7072         * tree-ssa-copy.c (pass_copy_prop): Likewise.
7073         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
7074         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
7075         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
7076         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
7077         before inlining.
7078         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
7079         When aliasing is not build, mark statement as volatile.
7080
7081 2007-01-11  Tom Tromey  <tromey@redhat.com>
7082
7083         PR preprocessor/15185, PR preprocessor/20989:
7084         * doc/cppopts.texi <-MT>: Update description of algorithm for
7085         computing default target.
7086         <-M, -MD>: Reword "basename" text.
7087
7088 2007-01-11  Roger Sayle  <roger@eyesopen.com>
7089
7090         * builtins.c (expand_builtin_pow, expand_builtin_powi,
7091         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
7092         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
7093         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
7094         fold_builtin_bswap, real_constp, fold_builtin_pow,
7095         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
7096         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
7097         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
7098         * convert.c (convert_to_pointer): Likewise.
7099         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
7100         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
7101         const_binop, fold_convert_const_int_from_int,
7102         fold_convert_const_int_from_real,
7103         fold_convert_const_real_from_real, sign_bit_p,
7104         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
7105         fold_sign_changed_comparison, fold_unary, fold_comparison,
7106         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
7107         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
7108         * print-tree.c (print_node_brief, print_node): Likewise.
7109         * stor-layout.c (place_field, layout_type): Likewise.
7110         * tree-chrec.c (keep_cast): Likewise.
7111         * tree.c (build_vector, build_real, build_real_from_int_cst,
7112         build_complex): Likewise.
7113
7114 2007-01-11  Roger Sayle  <roger@eyesopen.com>
7115
7116         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
7117         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
7118
7119 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
7120
7121         * configure.ac (strict1_warn): Rename to strict_warn.
7122         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
7123         cc_set_by_configure, quoted_cc_set_by_configure,
7124         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
7125         all_boot_languages, all_stagestuff): Remove.
7126         (target_list): Remove bootstrap targets.
7127         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
7128         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
7129         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
7130         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
7131         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
7132         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
7133         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
7134         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
7135         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
7136         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
7137         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
7138         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
7139         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
7140         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
7141         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
7142         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
7143         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
7144         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
7145         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
7146         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
7147         (mostlyclean): Adjust.
7148         (clean, distclean): Don't mention bootstrap stuff.
7149         * configure: Regenerate.
7150         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
7151         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
7152         treelang/config-lang.in (stagestuff): Remove.
7153         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
7154         stageprofile, stagefeedback, stagestuff): Remove mention.
7155
7156 2007-01-11  Nick Clifton  <nickc@redhat.com>
7157
7158         * config/mcore/predicates.md (mcore_general_movesrc_operand):
7159         Accept CONSTs.
7160         (mcore_general_movdst_operand): Do not accept CONST_INTs.
7161         (mcore_arith_K_S_operand): Run the test for the S constraint not
7162         the test for the M constraint.
7163         (mcore_addsub_operand): Do not accept integer values that are
7164         larger than 32 bits.
7165         * config/mcore/mcore.md: Remove unused constraints from split.
7166         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
7167         (addsi3): Likewise.
7168         (allocate_stack): Likewise.
7169         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
7170         operands to 32 bits.
7171         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
7172         INTVAL.
7173         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
7174         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
7175         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
7176         mcore_output_bclri, mcore_output_andn, output_inline_const,
7177         mcore_output_move, mcore_output_movedouble): Likewise.
7178         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
7179         (output_inline_const): Likewise.
7180         (output_inline_const): Fix format strings used in sprintf
7181         statements.
7182         * config/mcore/mcore-protos.h: Update prototypes for changed
7183         functions in mcore.c.
7184         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
7185         HOST_WIDE_INT and not int.
7186         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
7187         CONST_OK_FOR_N): Likewise.
7188         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
7189         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
7190         an INTVAL.
7191
7192 2007-01-10  Jan Hubicka  <jh@suse.cz>
7193
7194         * tree-vrp.c (remove_range_assertions): Release defs.
7195         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
7196         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
7197
7198 2007-01-10  Paul Brook  <paul@codesourcery.com>
7199
7200         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
7201         * config/arm/arm.md (mulsi3subsi): New insn.
7202
7203 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
7204
7205         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
7206         (tree_transform_and_unroll_loop): New.
7207         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
7208         Declare.
7209
7210 2007-01-10  Robert Kennedy <jimbob@google.com>
7211
7212         * fold-const.c (fold_comparison): Fold comparisons like (x *
7213         1000 < 0) to (x < 0).
7214
7215 2007-01-10  Ian Lance Taylor  <iant@google.com>
7216
7217         * tree-pretty-print.c (dump_generic_node): Print parentheses when
7218         operands have the same priority.
7219
7220 2007-01-10  Tom Tromey  <tromey@redhat.com>
7221
7222         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
7223         (fold_binary): Likewise.
7224         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
7225         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
7226         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
7227         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
7228         * langhooks.h (struct lang_hooks): Removed field
7229         'can_use_bit_fields_p'.
7230
7231 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
7232
7233         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
7234
7235 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
7236
7237         * function.c (get_last_funcdef_no): New function.
7238         * function.h (get_last_funcdef_no): Declare.
7239         * tree-inline.c (initialize_cfun): Add initialization.
7240         (tree_function_versioning): Cleanup.
7241
7242 2007-01-10  Jan Hubicka  <jh@suse.cz>
7243
7244         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
7245         PHIs.
7246
7247 2007-01-10  Sa Liu  <saliu@de.ibm.com>
7248             Ben Elliston  <bje@au.ibm.com>
7249
7250         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
7251         for SAVE_NONLOCAL and Pmode for any other save level.
7252         * spu-protos.h (spu_restore_stack_block): Declare.
7253         * spu.md (save_stack_block): Remove.
7254         (restore_stack_block): Call spu_restore_stack_block.
7255         * spu.c (spu_restore_stack_block): New function.
7256         (spu_expand_epilogue): Remove old comment.
7257
7258 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
7259
7260         PR tree-optimization/30322
7261         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
7262         (cand_value_at): Return the value as aff_tree.
7263         (may_eliminate_iv): Convert the bound from aff_tree to tree.
7264         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
7265         aff_combination_mult): New functions.
7266         (aff_combination_add): Use aff_combination_add_cst.
7267         (aff_combination_convert): Allow conversions to a wider type.
7268         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
7269         * tree-affine.h (aff_combination_mult): Declare.
7270
7271 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
7272
7273         * doc/tm.texi: Update documentation to reflect reality of exec
7274         and start file search behaviours. Update copyright year.
7275         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
7276         header file directories.
7277
7278 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
7279
7280         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
7281         (*cosxf2): Rename to cosxf2_i387.
7282         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
7283         using X87MODEF12 mode macro. Rename patterns to
7284         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
7285         for SSE math.
7286         (*cosdf2, *cossf2): Ditto.
7287         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
7288         to match extended input operands.
7289         (sincos<mode>3): New expander.
7290         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
7291         insn patterns and corresponding splitters.
7292
7293 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
7294
7295         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
7296         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
7297
7298 2007-01-09  Nicolas Pitre  <nico@cam.org>
7299
7300         PR target/30173
7301         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
7302
7303 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
7304
7305         * target.h (struct gcc_target): New field library_rtti_comdat.
7306         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
7307         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
7308         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
7309         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
7310
7311 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
7312
7313         * doc/invoke.texi (Optimize Options): Correct description of -O0.
7314
7315 2007-01-08  Richard Guenther  <rguenther@suse.de>
7316
7317         * tree.h (force_fit_type_double): Export.
7318         (force_fit_type): Remove.
7319         * fold-const.c (force_fit_type_double): New function.
7320         (force_fit_type): Remove.
7321         (int_const_binop): Use it.
7322         (fold_convert_const_int_from_int): Likewise.
7323         (fold_convert_const_int_from_real): Likewise.
7324         (fold_div_compare): Likewise.
7325         (fold_sign_changed_comparison): Likewise.
7326         (fold_unary): Likewise.
7327         (fold_negate_const): Likewise.
7328         (fold_abs_const): Likewise.
7329         (fold_not_const): Likewise.
7330         * c-common.c (shorten_compare): Use force_fit_type_double.
7331         * convert.c (convert_to_pointer): Likewise.
7332
7333 2007-01-08  Richard Guenther  <rguenther@suse.de>
7334
7335         * tree.h (build_int_cst_wide_type): Export.
7336         * tree.c (build_int_cst_wide_type): New function.
7337         (build_int_cst_wide): Fix comment.
7338         * builtins.c (fold_builtin_object_size): Use build_int_cst
7339         to build -1 or 0 of the correct type.  Use fit_double_type
7340         to check for overflow.
7341         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
7342         to build the mask.
7343         (decode_field_reference): Likewise.
7344         (all_ones_mask_p): Likewise.
7345         (native_interpret_int): Use build_int_cst_wide_type.
7346         (fold_binary): Use build_int_cst_type to build an all-ones
7347         value.
7348         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
7349
7350 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
7351
7352         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
7353
7354 2007-01-09  Ben Elliston  <bje@au.ibm.com>
7355
7356         * genautomata.c (STATS_OPTION): New option.
7357         (stats_flag): New flag.
7358         (gen_automata_option): Handle it.
7359         (initiate_automaton_gen): Ditto.
7360         (write_automata): Output statistics only if stats_flag is
7361         set. Likewise, output time statistics only if time_flag is set.
7362         * doc/md.texi (Processor pipeline description): Document new flag.
7363
7364 2007-01-08  Richard Guenther  <rguenther@suse.de>
7365
7366         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
7367         * tree.c (build_int_cst_type): Likewise.
7368         (size_in_bytes): Don't call force_fit_type on the result.
7369         (int_fits_type_p): Use fit_double_type.
7370         * fold-const.c (fit_double_type): New function.
7371         (force_fit_type): Use it.
7372         * tree.h (fit_double_type): Export.
7373
7374 2007-01-08  Jan Hubicka  <jh@suse.cz>
7375
7376         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
7377         * ipa.c (function_and_variable_visibility): Fix return type.
7378
7379 2007-01-08  Richard Guenther  <rguenther@suse.de>
7380
7381         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
7382         of offset to build the index.
7383         * tree-pretty-print.c (dump_generic_node): Don't build negated
7384         const just for printing.
7385         * c-pretty-print.c (pp_c_integer_constant): Likewise.
7386         * builtins.c (fold_builtin_int_roundingfn): Check if result
7387         fits the type by using force_fit_type and comparing the result.
7388         * predict.c (predict_loops): Use compare_tree_int for comparison.
7389         * tree.c (build_int_cst): Fall back to integer_type_node for
7390         NULL_TREE type.
7391         (build_int_cst_wide): Assert type is non-null.
7392
7393 2007-01-08  Roberto Costa  <roberto.costa@st.com>
7394
7395         * tree-vrp.c (extract_range_from_cond_expr): New.
7396         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
7397         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
7398         as expressions.
7399         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
7400         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
7401         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
7402         used as expressions.
7403         * tree-object-size.c (cond_expr_object_size): New.
7404         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
7405
7406 2007-01-08  Jan Hubicka  <jh@suse.cz>
7407
7408         * tree-ssa-forwprop.c (forward_propagate_into_cond,
7409         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
7410         statement.
7411
7412 2007-01-08  Richard Guenther  <rguenther@suse.de>
7413
7414         PR tree-optimization/23603
7415         * tree-vrp.c (set_value_range_to_truthvalue): New function.
7416         (extract_range_from_binary): Fall back to truthvalue instead of
7417         varying for TRUTH_*_EXPR.
7418         (extract_range_from_comparison): Fall back to truthvalue instead of
7419         varying.
7420         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
7421         if all visited PHI values were constant.
7422
7423 2007-01-08  Jan Hubicka  <jh@suse.cz>
7424
7425         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
7426         (cgraph_analyze_function): break out from ...
7427         (cgraph_finalize_compilation_unit): ... here.
7428         (cgraph_expand_function): Remove forgoten commented out line.
7429         (cgraph_optimize): Analyze functions.
7430
7431 2007-01-08  Jan Hubicka  <jh@suse.cz>
7432
7433         * tree-pas.h (TODO_remove_function): New flag.
7434         (TODO_update*): Renumber.
7435         (pass_ipa_increase_alignment,
7436         pass_ipa_function_and_variable_visibility): New passes.
7437         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
7438         (cgraph_function_and_variable_visibility): Move to ipa.c
7439         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
7440         cgraph_increase_alignment.
7441         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
7442         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
7443         calling tree-inline.
7444         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
7445         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
7446         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
7447         (gate_increase_alignment): New function.
7448         (pass_ipa_increase_alignment): New pass.
7449         * ipa.c: Inline tree-pass.h and timevar.h
7450         (function_and_variable_visibility): Move here from cgraphunit.c
7451         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
7452         * passes.c (init_optimization_passes): Add the two new passes.
7453         (execute_todo): Handle cgraph_remove_functions.
7454
7455 2007-01-08  Nick Clifton  <nickc@redhat.com>
7456
7457         * config/frv/predicates.md (reg_or_0_operand): Accept
7458         CONST_DOUBLEs.
7459
7460 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
7461
7462         * config/bfin/rtems.h, config/bfin/t-rtems: New.
7463         * config.gcc: Add bfin*-rtems*.
7464
7465 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
7466
7467         * c.opt: Add -flax-vector-conversions.
7468         * c-typeck.c (convert_for_assignment): Pass flag to
7469         vector_types_convertible_p to allow emission of note.
7470         (digest_init): Likewise.
7471         * c-opts.c: Handle -flax-vector-conversions.
7472         * c-common.c (flag_lax_vector_conversions): New.
7473         (vector_types_convertible_p): Unless -flax-vector conversions
7474         has been passed, disallow conversions between vectors with
7475         differing numbers of subparts and/or element types.  If such
7476         a conversion is disallowed, possibly emit a note on the first
7477         occasion only to inform the user of -flax-vector-conversions.
7478         The new last argument specifies this.
7479         * c-common.h (flag_lax_vector_conversions): New.
7480         (vector_types_convertible_p): Add extra argument.
7481         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
7482         char_type_node for V*QI type vectors.
7483         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
7484         Update to satisfy new typechecking rules.
7485         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
7486         C and C++ variants.
7487         * doc/invoke.texi (C Dialect Options): Document
7488         -flax-vector-conversions.
7489
7490 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
7491
7492         PR tree-optimization/29877
7493         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
7494         a register variable on the RHS to not be replaceable.
7495
7496 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
7497         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
7498         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
7499         const_simm15, const_pow2, const_npow2): Added.
7500         * config/score/misc.md (insv, extv, extzv, movmemsi,
7501         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
7502         * config/score/score.c (score_address_cost, score_select_cc_mode):
7503         Added.
7504         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
7505         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
7506         Update score_print_operand.
7507         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
7508         Adjust register allocate order and update some macro define.
7509         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
7510         mdx_block_move_straight, mdx_block_move_loop_head,
7511         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
7512         mdx_block_move): Added.
7513         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
7514         mdp_limm): Updated and fix some bug and typo.
7515         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
7516         (movsf, movdf, doloop_end): Added.
7517
7518 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
7519
7520         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
7521         config/arm/thumb2.md: Fix comment typos.
7522         * doc/extend.texi: Fix a typo.
7523
7524 2007-01-07  Eric Christopher  <echristo@apple.com>
7525
7526         * configure.ac: Check for __stack_chk_fail for darwin.
7527         * configure: Regenerate.
7528
7529 2007-01-07  Richard Guenther  <rguenther@suse.de>
7530
7531         * tree-vrp.c (extract_range_from_assert): CSE calls to
7532         compare_values where possible.
7533         (extract_range_from_unary_expr): Likewise.
7534
7535 2007-01-07  Anatoly Sokolov <aesok@post.ru>
7536
7537         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
7538         * config/avr/avr.c (call_insn_operand): Delete function.
7539         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
7540         instead of register number. Use predicates.
7541         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
7542         call_insn_operand): Add.
7543
7544 2007-01-06  Jan Hubicka  <jh@suse.cz>
7545
7546         * tree-pass.h (pass_build_cgraph_edges): Declare.
7547         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
7548         (visited_nodes): Remove.
7549         (cgraph_create_edges): Move to cgraphbuild.c; rename to
7550         build_cgrpah_edges; make visited_nodes local.
7551         (cgraph_process_new_functions): DO not call initialize_inline_failed.
7552         (record_references_in_initializer): Move to cgraphbuild.c
7553         (initialize_inline_failed, rebuild_cgraph_edges,
7554         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
7555         (verify_cgraph_node): Make visited_nodes local.
7556         (cgraph_analyze_function): Do not call cgraph_create_edges and
7557         initialize_inline_failed.
7558         (cgraph_expand_function): Do not call cgraph_lower_function;
7559         assert that function is already lowered.
7560         * Makefile.in (cgraphbuild.o): New.
7561         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
7562         at the end of lowering passes.
7563
7564 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
7565
7566         * ifcvt.c (cond_move_convert_if_block): New function, code
7567         factored out from...
7568         (cond_move_process_if_block): ...here.  Call the new function
7569         on the THEN and ELSE blocks.
7570         (merge_if_block): Do not copy global_live_at_end, merge_blocks
7571         already takes care of this.
7572
7573 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7574
7575         PR c/19978
7576         * tree.h (TREE_OVERFLOW_P): New.
7577         * c-typeck.c (parser_build_unary_op): Warn only if result
7578         overflowed and operands did not.
7579         (parser_build_binary_op): Likewise.
7580         (convert_for_assignment): Remove redundant overflow_warning.
7581         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
7582
7583 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7584
7585         * c-typeck.c (store_init_value): Split over two lines to follow
7586         the GNU coding style.
7587
7588 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
7589
7590         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
7591         __GXX_EXPERIMENTAL_CXX0X__.
7592         * doc/cpp.texi: Same.
7593
7594 2007-01-05  Richard Guenther  <rguenther@suse.de>
7595
7596         PR middle-end/27826
7597         * tree.c (get_narrower): Do not construct COMPONENT_REFs
7598         with mismatched types.  Instead explicitly build a
7599         conversion NOP_EXPR.
7600
7601 2007-01-05  Ian Lance Taylor  <iant@google.com>
7602
7603         * c-common.c (decl_with_nonnull_addr_p): New function.
7604         (c_common_truthvalue_conversion): Call it.
7605         * c-typeck.c (build_binary_op): Likewise.
7606         * c-common.h (decl_with_nonnull_addr_p): Declare.
7607
7608 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
7609
7610         PR c/30360
7611         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
7612         denom against 0.0.
7613
7614 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
7615
7616         * doc/install.texi (Final install): Document the fact that
7617         the GNAT runtime should not be stripped.
7618
7619 2007-01-04  Jan Hubicka  <jh@suse.cz>
7620
7621         * tree-inline.c (fold_marked_statements): Update operand caches
7622         and EH after folding
7623
7624 2007-01-04  Ian Lance Taylor  <iant@google.com>
7625
7626         * c-common.c (check_function_nonnull): Whitespace fix.
7627
7628 2007-01-04  Jan Hubicka  <jh@suse.cz>
7629
7630         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
7631         comitted older version of patch.
7632         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
7633         function, celanup cfg and collect garbage.
7634
7635 2007-01-04  Mike Stump  <mrs@apple.com>
7636
7637         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
7638         (clean): Likewise.
7639
7640 2007-01-04  Eric Christopher  <echristo@apple.com>
7641
7642         * libgcc2.c (__bswapsi2): Use SItype.
7643         (__bswapdi2): Use DItype.
7644         * libgcc2.h: Update for above.
7645
7646 2007-01-04  Paul Brook  <paul@codesourcery.com>
7647
7648         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
7649         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
7650         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
7651         umulsidi3, umulsidi3adddi, smulsi3_highpart,
7652         umulsi3_highpart): Make conditional on !arm_arch6.
7653         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
7654         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
7655         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
7656         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
7657         umulsi3_highpart_v6): New insns.
7658
7659 2007-01-04  Roger Sayle  <roger@eyesopen.com>
7660
7661         * fold-const.c (fold_convert): When casting an expression to void,
7662         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
7663         have a type.  Instead of attempting to build a NOP_EXPR, return
7664         these "special" trees directly.
7665
7666 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
7667
7668         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
7669         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
7670         rs6000_cost->fp not 0 as adjustment for outer NEG.
7671
7672 2007-01-04  Jan Hubicka  <jh@suse.cz>
7673
7674         * cgraph.c (cgraph_release_function_body): New function.
7675         (cgraph_remove_node): Use it.
7676         * cgraph.h (cgraph_release_function_body): Declare.
7677         * cgraphunit.c (cgraph_expand_function): Use it.
7678         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
7679         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
7680         is initialized and while compilation of other function is running.
7681         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
7682         statement CFG annotations from here to ...
7683         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
7684
7685 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
7686
7687         * cfgloop.h (enum li_flags): Make the constants powers of two.
7688
7689 2007-01-04  Jan Hubicka  <jh@suse.cz>
7690
7691         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
7692         set.
7693         (fold_marked_statements): New function.
7694         (optimize_inline_calls, tree_function_versioning): Fold new statements.
7695         * tree-inline.h (copy_body_data): Add statements_to_fold.
7696
7697 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
7698
7699         * config.gcc: Mention libgcc/config.host.
7700         * Makefile.in: Update comments mentioning libgcc.
7701         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
7702         (all.cross, start.encap, rest.encap, rest.cross): Update
7703         dependencies for libgcc move.
7704         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
7705         (clean-target, clean-target-libgcc): Delete.
7706         (srcdirify, GCC_EXTRA_PARTS): New macros.
7707         (libgcc-support, libgcc.mvars): New rules.
7708         (distclean): Remove mention of mklibgcc.
7709         (install): Don't reference INSTALL_LIBGCC.
7710         (install-common): Don't reference EXTRA_PARTS.
7711         (install-libgcc, install-multilib): Delete rules.
7712         * mklibgcc.in: Delete file.
7713         * doc/configfiles.texi: Don't mention mklibgcc.
7714
7715         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
7716         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
7717         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
7718         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
7719         (mklibgcc, ldblspecs): Likewise.
7720
7721         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
7722         (posixpre.def): Use $(T).
7723         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
7724         (SHLIB_SRC, SHLIB_INSTALL): Delete.
7725         (SHLIB_LINK): Make dummy.
7726         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
7727
7728         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
7729
7730         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
7731         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
7732         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
7733         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
7734
7735         * configure.ac (all_outputs): Remove mklibgcc.
7736         * configure: Regenerated.
7737
7738 2007-01-03  Josh Conner  <jconner@apple.com>
7739
7740         PR middle-end/29683
7741         * calls.c (compute_argument_addresses): Set stack and stack_slot
7742         for partial args, too.
7743         (store_one_arg): Use locate.size.constant for the size when
7744         generating a save_area.
7745
7746 2007-01-03  Robert Kennedy <jimbob@google.com>
7747
7748         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
7749         whose definitions are deleted due to basic block merging.
7750
7751 2007-01-03  Paul Brook  <paul@codesourcery.com>
7752
7753         PR target/16634
7754         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
7755         functions.
7756         (use_return_insn): Return 0 for Thumb interrupt functions.
7757         (print_multi_reg): Add rfe argument for IRQ returns.
7758         (arm_output_epilogue): Pop interrupt return address directly into PC.
7759         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
7760
7761 2007-01-03  Paul Brook  <paul@codesourcery.com>
7762
7763         Merge from sourcerygxx-4_1.
7764         * config/arm/thumb2.md: New file.
7765         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
7766         Thumb-2.
7767         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
7768         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
7769         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
7770         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
7771         tables.
7772         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
7773         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
7774         comptibility.
7775         * config/arm/ieee754-sf.S: Ditto.
7776         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
7777         (thumb1_base_register_rtx_p): ... to this.
7778         (thumb_index_register_rtx_p): Rename...
7779         (thumb1_index_register_rtx_p): ... to this.
7780         (thumb_output_function_prologue): Rename...
7781         (thumb1_output_function_prologue): ... to this.
7782         (thumb_legitimate_address_p): Rename...
7783         (thumb1_legitimate_address_p): ... to this.
7784         (thumb_rtx_costs): Rename...
7785         (thumb1_rtx_costs): ... to this.
7786         (thumb_compute_save_reg_mask): Rename...
7787         (thumb1_compute_save_reg_mask): ... to this.
7788         (thumb_final_prescan_insn): Rename...
7789         (thumb1_final_prescan_insn): ... to this.
7790         (thumb_expand_epilogue): Rename...
7791         (thumb1_expand_epilogue): ... to this.
7792         (arm_unwind_emit_stm): Rename...
7793         (arm_unwind_emit_sequence): ... to this.
7794         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
7795         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
7796         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
7797         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
7798         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
7799         thumb2_output_casesi): New functions.
7800         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
7801         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
7802         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
7803         THUMB2_WORK_REGS): Define.
7804         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
7805         arm_condexec_mask, arm_condexec_masklen)): New variables.
7806         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
7807         (arm_override_options): Check new CPU capabilities.
7808         Set new architecture flag variables.
7809         (arm_isr_value): Handle v7m interrupt functions.
7810         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
7811         Thumb-2.
7812         (const_ok_for_arm): Handle Thumb-2 constants.
7813         (arm_gen_constant): Ditto.  Use movw when available.
7814         (arm_function_ok_for_sibcall): Return false for v7m interrupt
7815         functions.
7816         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
7817         (thumb_find_work_register, arm_load_pic_register,
7818         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
7819         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
7820         print_multi_reg, output_mov_long_double_fpa_from_arm,
7821         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
7822         output_mov_double_fpa_from_arm, output_move_double,
7823         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
7824         output_return_instruction, arm_output_function_prologue,
7825         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
7826         arm_output_mi_thunk, thumb_set_return_address): Ditto.
7827         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
7828         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
7829         (arithmetic_instr, shift_op): Use arm_shift_nmem.
7830         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
7831         '!' and 'L'.
7832         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
7833         (thumb_expand_prologue): Use thumb_set_frame_pointer.
7834         (arm_file_start): Output directive for unified syntax.
7835         (arm_unwind_emit_set): Handle stack alignment instruction.
7836         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
7837         Add v6t2, v7, v7a, v7r and v7m.
7838         (RETLDM): Add Thumb-2 code.
7839         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
7840         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
7841         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
7842         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
7843         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
7844         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
7845         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
7846         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
7847         ADJUST_INSN_LENGTH): Define.
7848         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
7849         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
7850         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
7851         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
7852         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
7853         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
7854         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
7855         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
7856         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
7857         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
7858         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
7859         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
7860         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
7861         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
7862         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
7863         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
7864         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
7865         cortex-m3.
7866         * config/arm/arm-tune.md: Regenerate.
7867         * config/arm/arm-protos.h: Update prototypes.
7868         * config/arm/vfp.md: Enable patterns for Thumb-2.
7869         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
7870         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
7871         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
7872         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
7873         * config/arm/libunwind.S: Add Thumb-2 code.
7874         * config/arm/constraints.md: Update include Thumb-2.
7875         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
7876         * config/arm/ieee754-df.S: Ditto.
7877         * config/arm/bpabi.S: Ditto.
7878         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
7879         * config/arm/predicates.md (low_register_operand,
7880         low_reg_or_int_operand, thumb_16bit_operator): New.
7881         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
7882         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
7883         * config/arm/t-arm-elf: Add armv7 multilib.
7884         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
7885         Include thumb2.md.
7886         (UNSPEC_STACK_ALIGN, ce_count): New.
7887         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
7888         arm_zero_extendsidi2, arm_zero_extendqidi2): New
7889         insns/expanders.
7890         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
7891         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
7892         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
7893         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
7894         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
7895         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
7896         insns.
7897         * doc/extend.texi: Document ARMv7-M interrupt functions.
7898         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
7899
7900 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
7901
7902         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
7903         (struct _Unwind_Context): Rename args_size to flags, remove
7904         signal_frame field, add a new args_size field and version field.
7905         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
7906         _Unwind_IsExtendedContext): New inline functions.
7907         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
7908         Assume by_value array is only present if _Unwind_IsExtendedContext.
7909         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
7910         _Unwind_IsSignalFrame.
7911         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
7912         (uw_update_context_1): Use _Unwind_SetSignalFrame.
7913         (uw_init_context_1): Initialize context->flags to
7914         EXTENDED_CONTEXT_BIT.
7915         * config/rs6000/linux-unwind.h (frob_update_context): Use
7916         _Unwind_SetSignalFrame.
7917
7918 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7919
7920         PR middle-end/30353
7921         * gimplify.c (gimplify_modify_expr_complex_part): Move below
7922         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
7923         the value.
7924
7925 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
7926
7927         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
7928         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
7929         RET, AT_SP): Remove.
7930         * config/i386/i386.md (*sse_prologue_save_insn): Use return
7931         instead of RET.
7932
7933         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
7934         * cfgbuild.c (find_basic_blocks): Likewise.
7935         * cfgrtl.c (rtl_create_basic_block): Likewise.
7936         * function.c (temp_slots_at_level): Likewise.
7937         * reg-stack.c (stack_regs_mentioned): Likewise.
7938         * regclass.c (allocate_reg_info): Likewise.
7939         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
7940         set_bb_for_stmt, move_block_to_fn): Likewise.
7941         * tree-complex.c (tree_lower_complex): Likewise.
7942         * vec.h (VEC_safe_grow_cleared): New.
7943
7944         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
7945
7946 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
7947
7948         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
7949         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
7950         to loop_version.
7951         * cfgloopmanip.c (scale_loop_frequencies): Export.
7952         (loopify): Scale the frequencies by prescribed coefficients.
7953         (set_zero_probability): New function.
7954         (duplicate_loop_to_header_edge): Improve updating of frequencies.
7955         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
7956         and frequencies according to arguments.
7957         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
7958         correctly.
7959         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
7960         * modulo-sched.c (sms_schedule): Set probabilities for entering
7961         versioned loop correctly.
7962         * tree-vect-transform.c (vect_transform_loop): Ditto.
7963         * cfgloop.h (loopify, loop_version): Declaration changed.
7964         (scale_loop_frequencies): Declared.
7965
7966 2007-01-02  Jan Hubicka  <jh@suse.cz>
7967
7968         * cgraph.c: Include tree-flow.h
7969         (cgraph_add_new-function): Handle IPA_SSA mode; execute
7970         early_local_passes.
7971         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
7972         * tree-pass.h (pass_all_early_optimizations): Declare.
7973         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
7974         early_local_passes.
7975         (cgraph_analyze_function): Do early_local_passes.
7976         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
7977         Do not add referenced vars.
7978         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
7979         SSA form.
7980         (gate_all_early_local_passes): New gate.
7981         (pass_early_local_passes): Use new gate.
7982         (execute_early_local_optimizations): New functions.
7983         (gate_all_early_optimizations): New gate.
7984         (pass_all_early_optimizations): New pass.
7985         (execute_free_datastructures): Free SSA only when initialized.
7986         (gate_init_datastructures): Init only when optimizing.
7987         (tree_lowering_passes): Do early local passes when called late.
7988         * tree-profile.c (do_tree_profiling): Don't profile functions added
7989         late.
7990         (do_early_tree_profiling, pass_early_tree_profile): Kill.
7991         * tree-cfg.c (update_modified_stmts): Do not update when operands are
7992         not active.
7993         * passes.c (init_optimizations_passes): Reorder so we go into SSA
7994         during early_local_passes.
7995         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
7996
7997
7998 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
7999
8000         * Makefile.in: Update copyright year.
8001
8002 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
8003
8004         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
8005         in $(lang_checks) and check-consistency targets.
8006
8007 2007-01-02  Jan Hubicka  <jh@suse.cz>
8008
8009         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
8010         Do not add referenced vars.
8011         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
8012         are not active.
8013         * passes.c (init_optimization_passes): Put mudflap_2 after
8014         free_datastructures.
8015
8016 2007-01-02  Jan Hubicka  <jh@suse.cz>
8017
8018         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
8019         Set NOTHROW flag on call statements proved to be nothrow.
8020         Update statement of local calls so new pure/const functions are
8021         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
8022         goto receivers.
8023         (tree_rest_of_compilation): Register hooks and initialize bitmap
8024         early. Do not set after_inlining flag.
8025
8026 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
8027
8028         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
8029         HOST_BITS_PER_LONGLONG
8030
8031 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8032
8033         PR c/19977
8034         * c-typeck.c (store_init_value): Don't emit pedantic overflow
8035         warning for non-static initializers.
8036
8037 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
8038
8039         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
8040         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
8041         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
8042         Always use set_unique_reg_note to add REG_EQUAL notes.
8043
8044 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
8045
8046         Revert:
8047         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
8048
8049         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
8050         * cfgbuild.c (find_basic_blocks): Likewise.
8051         * cfgrtl.c (rtl_create_basic_block): Likewise.
8052         * function.c (temp_slots_at_level): Likewise.
8053         * reg-stack.c (stack_regs_mentioned): Likewise.
8054         * regclass.c (allocate_reg_info): Likewise.
8055         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
8056         set_bb_for_stmt, move_block_to_fn): Likewise.
8057         * tree-complex.c (tree_lower_complex): Likewise.
8058         * vec.h (VEC_safe_grow_cleared): New.
8059
8060 2007-01-02  Ian Lance Taylor  <iant@google.com>
8061
8062         * c-common.c (c_common_truthvalue_conversion): When warning about
8063         using an assignment as a truth value, set TREE_NO_WARNING.
8064
8065 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8066
8067         PR middle-end/7651
8068         * c.opt (Wold-style-declaration): New.
8069         * doc/invoke.texi (C-only Warning Options): New.
8070         (Wold-style-declaration): Document it.
8071         (Wextra): Enabled by -Wextra.
8072         * c-opts.c (c_common_post_options): Enabled by -Wextra.
8073         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
8074         -Wold-style-declaration.
8075
8076 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
8077
8078         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
8079         * cfgbuild.c (find_basic_blocks): Likewise.
8080         * cfgrtl.c (rtl_create_basic_block): Likewise.
8081         * function.c (temp_slots_at_level): Likewise.
8082         * reg-stack.c (stack_regs_mentioned): Likewise.
8083         * regclass.c (allocate_reg_info): Likewise.
8084         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
8085         set_bb_for_stmt, move_block_to_fn): Likewise.
8086         * tree-complex.c (tree_lower_complex): Likewise.
8087         * vec.h (VEC_safe_grow_cleared): New.
8088
8089 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
8090
8091         * c-common.c (c_common_nodes_and_builtins): Since variants of
8092         void_type_node get built before it is given a name, we need to
8093         give those variants the name, too.
8094         (complete_array_type): We need to work with the canonical main
8095         type of the array, from which we will build the qualified version.
8096         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
8097         * print-tree.c (print_node): Display canonical type information
8098         for each type.
8099         * stor-layout.c (layout_type): When we don't know the
8100         alignment of a type for which we're building an array, we end up
8101         guessing wrong, so make the type require structural equality.
8102         * tree.c (make_node_stat): When we build a new type, it is its
8103         own canonical type.
8104         (build_type_attribute_qual_variant): When building an attribute
8105         variant, its canonical type is the non-attribute variant. However,
8106         if the attributes are target-dependent and they differ, we need to
8107         use structural equality checks for this type.
8108         (build_qualified_type): A qualified type is not equivalent to its
8109         unqualified variant; set the canonical type appropriately.
8110         (build_distinct_type_copy): When building a distinct type from
8111         another type, the new type is its own canonical type.
8112         (build_variant_type_copy): When building a new type variant, we
8113         assume that it is equivalent to the original type.
8114         (build_pointer_type_for_mode): When building a pointer type, also
8115         build a canonical type pointer.
8116         (build_reference_type_for_mode): When building a reference type,
8117         also build a canonical type reference.
8118         (build_index_type): When we can't hash an index type (e.g.,
8119         because its maximum value is negative), the index type requires
8120         structural equality tests.
8121         (build_array_type): Build the canonical form of an array type.
8122         (build_function_type): Function types require structural equality,
8123         because they contain default arguments, attributes, etc.
8124         (build_method_type_directly): Ditto for method types.
8125         (build_offset_type): Build the canonical offset type.
8126         (build_complex_type): Build the canonical vector type.
8127         (make_vector_type): Build the canonical vector type.
8128         * tree.h (TYPE_CANONICAL): New.
8129         (TYPE_STRUCTURAL_EQUALITY_P): New.
8130         (SET_TYPE_STRUCTURAL_EQUALITY): New.
8131         (struct tree_type): Added "canonical" field.
8132         * params.h (VERIFY_CANONICAL_TYPES): New.
8133         * doc/c-tree.texi (TYPE_CANONICAL): Document.
8134         (TYPE_STRUCTURAL_EQUALITY_P): Document.
8135         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
8136         * doc/invoke.texi (verify-canonical-types): Document --param
8137         parameter for verifying canonical types.
8138
8139 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
8140
8141         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
8142         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
8143         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
8144         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
8145         tm_file.
8146         * config/rs6000/e500.h: New.
8147         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
8148         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
8149         Remove.
8150         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
8151         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
8152         TARGET_E500_DOUBLE): Remove.
8153         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
8154         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
8155         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
8156         * config/rs6000/rs6000.c (rs6000_override_options): Use
8157         CHECK_E500_OPTIONS.
8158
8159 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
8160
8161         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
8162         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
8163         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
8164         rs6000_emit_cmove): Don't check TARGET_E500.
8165         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
8166         sordered): Don't check TARGET_E500.
8167
8168 2007-01-01  Eric Christopher  <echristo@apple.com>
8169
8170         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
8171         HARD_REGISTER_NUM_P.
8172
8173 2007-01-01  Roger Sayle  <roger@eyesopen.com>
8174
8175         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
8176         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
8177         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
8178         eq/ne Y".
8179
8180 2007-01-01  Mike Stump  <mrs@apple.com>
8181
8182         * configure.ac: Remove support for building with Apple's gcc-3.1.
8183
8184 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
8185
8186         PR middle-end/30311
8187         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
8188         REG is a hard register.  Do not modify REG before calling
8189         subreg_nregs.
8190         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
8191         multiple of the size of YMODE for certain lowpart cases.
8192
8193 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
8194
8195         PR middle-end/30253
8196         * gimplify (voidify_wrapper_expr): Update for
8197         GIMPLE_MODIFY_STMT.
8198
8199 2007-01-01  Andreas Schwab  <schwab@suse.de>
8200
8201         PR target/29166
8202         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
8203         save of BR0 in extra_spill_size instead of spill_size.
8204         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
8205         area.
8206         (ia64_expand_epilogue): Restore BR0 from its new location.
8207
8208 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
8209
8210         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
8211         Use a temporary variable if the left hand side is not a gimple
8212         register.
8213
8214 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
8215
8216         * gimplify.c (gimplify_return_expr): Make the temporary variable
8217         for the return expression, a gimple register variable.
8218
8219 2007-01-01  Jan Hubicka  <jh@suse.cz>
8220
8221         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
8222         INSN_LIST.
8223
8224 2007-01-01  Mike Stump  <mrs@apple.com>
8225
8226         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
8227         .literal16.
8228         * config/darwin.c (machopic_select_rtx_section): Use
8229         HAVE_GAS_LITERAL16.
8230         (darwin_mergeable_constant_section): Likewise.
8231         * configure: Regenerate.
8232         * config.in: Regenerate.
8233
8234 2007-01-01  Jan Hubicka  <jh@suse.cz>
8235             Andrew Pinski  <pinskia@gmail.com>
8236
8237         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
8238         before starting IPA passes.