gcc/ChangeLog

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