gcc/ChangeLog

   1 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
   2
   3         * config/i386/i386.md (frndintxf2): Rename to ...
   4         (rintxf2): ... this. Remove expander having same name.
   5         (rintsf2, rintdf2): Implement using SSEMODEF macro.
   6         (roundsf2, rounddf2): Ditto.
   7         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
   8         (lround<mode>di2, lround<mode>si2): Ditto.
   9
  10 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
  11
  12         * lower-subreg.c: Include except.h.
  13         (decompose_multiword_subregs): Verify that the only control flow
  14         insns we can split are loads to multi-words pseudos.
  15         Handle breaking such blocks after splitting, instead of calling
  16         find_many_sub_basic_blocks.
  17
  18         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
  19         on the new basic block.  Add a lengthy comment explaining why we
  20         thought this was necessary.
  21         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
  22
  23 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
  24
  25         PR c++/30924
  26         * tree.c (walk_type_fields): Recurse into the element type of
  27         ARRAY_TYPEs if there is a pointer set.
  28
  29 2007-03-10  Dirk Mueller  <dmueller@suse.de>
  30
  31         * c-common.c (warn_logical_operator): Fix condition.
  32
  33 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
  34
  35         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
  36         quotation mark.
  37         * config/darwin.c (machopic_select_section): Remove superfluous
  38         argument in call to categorize_decl_for_section.  Remove unused
  39         variable shlib.
  40
  41 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
  42
  43         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
  44         defined.
  45         * configure: Regenerate.
  46
  47 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
  48
  49         PR target/31101
  50         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
  51         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
  52         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
  53         Add LABEL_NUSES to emitted label.
  54         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
  55         branch probability value to emitted jump insn.
  56         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
  57         Do not check life information and do not re-arrange input operands
  58         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
  59
  60 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
  61
  62         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
  63         the change of decode_asm_operands.
  64
  65 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
  66
  67         * mode-switching.c (create_pre_exit): Skip blockage insn.
  68
  69 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
  70
  71         * tree-pass.h (TODO_update_smt_usage): Remove.
  72         Update all users.
  73         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
  74         argument SOME.
  75         Update all users.
  76
  77 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
  78
  79         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
  80         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
  81         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
  82         SOM target.
  83
  84 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
  85
  86         * gcc.c: Document %{, in big comment at top.
  87         (input_suffix_matches): Remove special handling for .s and
  88         .S.
  89         (input_spec_matches): New.
  90         (handle_braces): Handle %{,.
  91         (validate_switches): ',' indicates a value which is not a switch.
  92         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
  93         to detect assembler input.
  94         * config/i386/sol2.h (CPP_SPEC): Likewise.
  95         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
  96         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
  97         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
  98         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
  99         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
 100         -m64 causes deployment target to default to 10.5.
 101         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
 102
 103 2007-03-09  Richard Henderson  <rth@redhat.com>
 104
 105         PR target/26090
 106         * target.h (targetm.asm.out.reloc_rw_mask): New.
 107         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
 108         (TARGET_ASM_OUT): Use it.
 109         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
 110         * varasm.c (categorize_decl_for_section): Remove shlib argument;
 111         use the new reloc_rw_mask target hook instead.
 112         (default_section_type_flags_1): Merge into...
 113         (default_section_type_flags): ... here.
 114         (decl_readonly_section_1): Merge into...
 115         (decl_readonly_section): ... here.
 116         (default_elf_select_section_1): Merge into...
 117         (default_elf_select_section): ... here.
 118         (default_unique_section_1): Merge into...
 119         (default_unique_section): ... here.
 120         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
 121         (default_select_rtx_section): Use it.
 122         (default_elf_select_rtx_section): Likewise.
 123         * output.h: Update to match.
 124         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
 125         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
 126         (TARGET_ASM_RELOC_RW_MASK): New.
 127         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
 128         to categorize_decl_for_section.
 129         (x86_64_elf_unique_section): Likewise.
 130         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
 131         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
 132         (TARGET_ASM_RELOC_RW_MASK): New.
 133         * config/ia64/ia64.c (ia64_rwreloc_select_section,
 134         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
 135         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
 136         (TARGET_RWRELOC): Remove.
 137         (ia64_section_type_flags): Adjust call to default_section_type_flags.
 138         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
 139         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
 140         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
 141         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
 142         (rs6000_xcoff_select_section): Use decl_readonly_section.
 143         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
 144         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
 145         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
 146         (TARGET_SECTION_TYPE_FLAGS): Remove.
 147         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
 148
 149 2007-03-09  Roger Sayle  <roger@eyesopen.com>
 150
 151         * fold-const.c (fold_comparison): Remove compile-time evaluation of
 152         complex constant equality/inequality comparisons for here.
 153         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
 154         known at compile-time or can be simplified to a scalar comparison.
 155         (fold_relational_const): Move compile-time evaluation of complex
 156         constant equality/inequality comparisons to here.
 157
 158 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
 159
 160         PR rtl-optimization/30643
 161         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
 162         dest_addr_elt.
 163         (fold_rtx): Recurse, like before 2006-11-03.
 164
 165 2007-03-09  DJ Delorie  <dj@redhat.com>
 166
 167         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
 168         m32c-pragma.o.
 169
 170 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
 171
 172         PR tree-optimization/30375
 173         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
 174         LHS of statements is not the same.
 175         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
 176
 177 2007-03-09  Chao-ying Fu  <fu@mips.com>
 178
 179         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
 180         REV 2.
 181         * doc/invoke.texi (-mdspr2): Document new option.
 182         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
 183         New unspec for DSP REV 2.
 184         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
 185         these instructions are extended in DSP REV 2.
 186         (mips-dspr2.md): Include.
 187         * config/mips/mips.opt (mdspr2): New option.
 188         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
 189         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
 190         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
 191         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
 192         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
 193         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
 194         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
 195         and 2 builtins.
 196         (bdesc_map): Add one field of unsupported_target_flags.
 197         (bdesc_arrays):  Update entries to have extra fields.  Add
 198         dsp_32only_bdesc.
 199         (mips_init_builtins): Initialize new function types.
 200         Check unsupported_target_fileds to filter out builtins.
 201         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
 202         TARGET_DSPR2.
 203         (ASM_SPEC): Pass mdspr2 to the assembler.
 204         * config/mips/mips-dspr2.md: New file.
 205
 206 2007-03-09  Sa Liu  <saliu@de.ibm.com>
 207
 208         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
 209
 210 2007-03-09  Ian Lance Taylor  <iant@google.com>
 211
 212         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
 213         argument) like -Wstrict-overflow=2.
 214         * doc/invoke.texi (Warning Options): Update documentation.
 215
 216 2007-03-09  Dirk Mueller  <dmueller@suse.de>
 217
 218         PR c++/17946
 219         * doc/invoke.texi (-Wlogical-op): Document.
 220         * common.opt (-Wlogical-op): New.
 221         * c-common.h (warn_logical_operator): Declare.
 222         * c-common.c (warn_logical_operator): Define.
 223         * c-typeck.c (parser_build_binary_op): Call
 224         warn_logical_operator.
 225
 226 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
 227
 228         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
 229         * final.c (final_scan_insn): Test for non-"" file name.
 230
 231 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
 232
 233         * doc/loop.texi: Document the Omega linear constraints solver.
 234         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
 235         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
 236         omega-hash-table-size, omega-max-keys, and
 237         omega-eliminate-redundant-constraints.
 238         * tree-pass.h (pass_check_data_deps): Declared.
 239         * omega.c: New.
 240         * omega.h: New.
 241         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
 242         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
 243         pass_check_data_deps): New.
 244         * tree-data-ref.c (init_data_ref): Remove declaration.
 245         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
 246         (analyze_array): Renamed init_array_ref, move up initializations.
 247         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
 248         Removed arguments that are set to NULL.
 249         (analyze_indirect_ref): Correct indentation, correct call to
 250         init_pointer_ref.
 251         (object_analysis): Call init_array_ref instead of analyze_array.
 252         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
 253         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
 254         of DR_ACCESS_FNS_ADDR.
 255         (init_omega_eq_with_af, omega_extract_distance_vectors,
 256         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
 257         ddr_consistent_p): New.
 258         (compute_affine_dependence): Check consistency of ddrs when
 259         flag_check_data_deps is passed.
 260         (analyze_all_data_dependences): Uncomment.
 261         (tree_check_data_deps): New.
 262         * tree-data-ref.h: Include omega.h.
 263         (DR_ACCESS_FNS_ADDR): Removed.
 264         (data_dependence_relation): Add inner_loop.
 265         (DDR_INNER_LOOP): New.
 266         * common.opt (fcheck-data-deps): New.
 267         * tree-flow.h (tree_check_data_deps): Declare.
 268         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
 269         (OBJS-common): Depend on omega.o.
 270         (omega.o): Define.
 271         * passes.c (pass_check_data_deps): Scheduled.
 272         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
 273         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
 274         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
 275         PARAM_VECT_MAX_VERSION_CHECKS,
 276         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
 277
 278 2007-03-09  Richard Guenther  <rguenther@suse.de>
 279
 280         PR tree-optimization/30904
 281         PR middle-end/31058
 282         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
 283         the same way as *_DIV_EXPR.
 284
 285 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
 286
 287         * recog.c (decode_asm_operands): No mixed declarations and code.
 288
 289 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
 290
 291         * rtl.def (ASM_INPUT): Add location.
 292         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
 293         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
 294         (decode_asm_operands): Add loc operand.
 295         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
 296         * stmt.c (expand_asm): Rename to...
 297         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
 298         gen_rtx_ASM_INPUT_loc.
 299         (expand_asm_expr): Adjust.
 300         * recog.c (decode_asm_operands): Add loc operand.
 301         (check_asm_operands, extract_insn): Adjust.
 302         * reload1.c (maybe_fix_stack_asms): Likewise.
 303         * final.c (asm_insn_count): Likewise.
 304         (final_scan_insn): Output # line before and after asm.
 305
 306 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
 307
 308         * tree-ssa-structalias.c (variable_info): Remove
 309         finished_solution.
 310         (new_var_info): Ditto.
 311         (shared_bitmap_info_t): New structure.
 312         (shared_bitmap_table): New variable.
 313         (shared_bitmap_hash): New function.
 314         (shared_bitmap_eq): Ditto
 315         (shared_bitmap_lookup): Ditto.
 316         (shared_bitmap_add): Ditto.
 317         (merge_smts_into): Change to take bitmap directly.
 318         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
 319         (init_alias_vars): Init shared bitmap hashtable.
 320         (delete_points_to_sets): Delete shared bitmap hashtable.
 321         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
 322         is_aliased removal as a change that was still necessary was
 323         deleted.
 324
 325 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
 326
 327         * config/i386/i386.h (override_options): Conditionally disable
 328         x86_sahf for 64bit targets only.
 329
 330 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 331
 332         PR C/31072
 333         * c-decl.c (merge_decls): Don't call make_var_volatile.
 334         * varasm.c (make_var_volatile): Remove.
 335         * output.h (make_var_volatile): Remove.
 336
 337 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
 338
 339         PR tree-optimization/31085
 340         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
 341
 342 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 343
 344         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
 345         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
 346         ATTR_CONST_NOTHROW_LIST.
 347
 348         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
 349         FIX_TRUNC_EXPR.
 350
 351 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
 352
 353         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
 354
 355 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
 356
 357         PR 31013
 358         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
 359         is declared.
 360         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
 361         passed, use shared libgcc.
 362
 363 2007-03-08  Roger Sayle  <roger@eyesopen.com>
 364
 365         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
 366         instead of calling build2 with a GIMPLE_MODIFY_STMT.
 367         (honor_protect_cleanup_actions, lower_try_finally_switch):
 368         Likewise.
 369         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
 370         ifc_temp_var): Likewise.
 371         * tree-inline.c (setup_one_parameter): Likewise.
 372         * tree-mudflap.c (mf_decl_cache_locals,
 373         mf_build_check_statement_for): Likewise.
 374         * tree-nested.c (init_tmp_var, save_tmp_var,
 375         finalize_nesting_tree_1): Likewise.
 376         * tree-outof-ssa.c (insert_copy_on_edge,
 377         insert_backedge_copies): Likewise.
 378         * tree-profile.c (tree_gen_edge_profiler,
 379         tree_gen_ic_profiler): Likewise.
 380         * tree-scalar-evolution.c (scev_const_prop): Likewise.
 381         * tree-sra.c (sra_build_assignment): Likewise.
 382         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
 383         * tree-ssa-math-opts.c (insert_reciprocals,
 384         execute_cse_sincos_1): Likewise.
 385         * tree-tailcall.c (adjust_accumulator_values,
 386         adjust_return_value): Likewise.
 387         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
 388         * tree-vect-transform.c (vect_create_data_ref_ptr,
 389         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
 390         vect_create_epilog_for_reduction, vectorizable_reduction,
 391         vectorizable_call, vectorizable_conversion,
 392         vectorizable_assignment, vectorizable_operation,
 393         vectorizable_type_demotion, vect_gen_widened_results_half,
 394         vect_permute_store_chain, vectorizable_store,
 395         vect_setup_realignment, vect_permute_load_chain,
 396         vectorizable_load, vectorizable_condition,
 397         vect_create_cond_for_align_checks): Likewise.
 398         * tree-vrp.c (build_assert_expr_for): Likewise.
 399
 400 2007-03-08  Ian Lance Taylor  <iant@google.com>
 401
 402         * tree-vrp.c: Include "intl.h".
 403         (usable_range_p): New static function.
 404         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
 405         overflowed values, juts set *strict_overflow_p.
 406         (compare_values): Only return -2 if one of the operands is not a
 407         constant.
 408         (compare_ranges): Call usable_range_p.
 409         (compare_range_with_value): Likewise.
 410         (vrp_evaluate_conditional_warnv): Rename from
 411         vrp_evaluate_conditional.  Make static.  Change all callers.
 412         (vrp_evaluate_conditional): New function.
 413         (simplify_div_or_mod_using_ranges): Issue warning about reliance
 414         on signed overflow.
 415         (simplify_abs_using_ranges): Likewise.
 416         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
 417         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
 418         within_stmt parameter.
 419         * tree-ssa-propagate.c (fold_predicate_in): Update call to
 420         vrp_evaluate_conditional.
 421         * tree-ssa-threadedge.c
 422         (record_temporary_equivalences_from_stmts_at_dest): Change
 423         simplify parameter to take a second tree parameter.
 424         (simplify_control_stmt_condition): Likewise.
 425         (thread_across_edge): Likewise.
 426         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
 427         (thread_across_edge): Likewise.
 428         * gcc/Makefile.in (tree-vrp.o): Depend upon intl.h.
 429
 430 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
 431
 432         * config/i386/i386.h (TARGET_SAHF): New define.
 433         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
 434         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
 435         (x86_sahf): New global variable.
 436         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
 437         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
 438         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
 439         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
 440         for 64-bit.
 441         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
 442         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
 443         when expanding fcomi/sahf based tests.
 444         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
 445         expanding sahf based alternative. Emit sahf based sequence when
 446         optimizing for code size.
 447         * config/i386/i386.md (x86_sahf_1): Do not disable for
 448         TARGET_64BIT, enable for TARGET_SAHF.
 449
 450 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
 451
 452         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
 453         spurious whitespace from error message.
 454
 455 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
 456
 457         PR c++/30852
 458         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
 459
 460 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
 461
 462         * c-decl.c (grokdeclarator): Disable warnings for anonymous
 463         bitfields.
 464         * tree-sra.c (instantiate_element): Propagate disabled warnings
 465         from the element itself to the created variable.
 466
 467 2007-03-07  Richard Henderson  <rth@redhat.com>
 468
 469         PR target/30848
 470         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
 471         silently fix up the stack in the case of a missing register.
 472
 473 2007-03-07  Paul Brook  <paul@codesourcery.com>
 474
 475         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
 476
 477 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
 478
 479         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
 480         New.
 481         (phase1_vrs): Use them.
 482         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
 483         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
 484         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
 485         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
 486         __gnu_Unwind_Restore_WMMXC if required.
 487         (_Unwind_VRS_Pop): Implement iWMMXt support.
 488         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
 489         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
 490         gnu_Unwind_Save_WMMXC): Define.
 491
 492 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
 493
 494         * config/vxworks.h (vxworks_override_options): Declare.
 495         (VXWORKS_OVERRIDE_OPTIONS): Use it.
 496         * config/vxworks.c: Include target.h and toplev.h.
 497         (vxworks_override_options): New function.
 498         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
 499
 500 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
 501
 502         * config/s390/s390.c (override_options): Don't emit an error when
 503         -mstack-size is used without providing -mstack-guard.
 504         (s390_emit_prologue): Choose stack_guard value automatically if not
 505         provided via command line.
 506         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
 507
 508 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
 509
 510         * config/i386/i386.c (output_set_got): Add a GOT initialization
 511         sequence for VxWorks PIC.
 512         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
 513         around labels as well as symbols.  Use gotoff_operand instead
 514         of local_symbolic_operand.
 515         (legitimize_pic_address): Use gotoff_operand instead of
 516         local_symbolic_operand.  Use @GOT accesses for labels as
 517         well as symbols.
 518         (ix86_output_addr_diff_elt): Use PC-relative rather than
 519         GP-relative offsets for VxWorks PIC.
 520         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
 521         no_new_pseudos.  Check whether the returned register is op0.
 522         * config/i386/i386.md (tablejump): Use PC-relative rather than
 523         GP-relative offsets for VxWorks PIC.
 524         * config/i386/predicates.md (gotoff_operand): New predicate.
 525
 526 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
 527
 528         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
 529         before defining.
 530         * config/vxworks-dummy.h: New file.
 531         * config/i386/i386.h: Include it.
 532
 533 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
 534
 535         * dwarf2out.c (is_inlined_entry_point): New
 536         (add_high_low_attributes): Emit DW_AT_entry_pc along with
 537         DW_AT_ranges if the first subblock is the entry point.
 538
 539 2007-03-06  David Daney  <ddaney@avtrex.com>
 540
 541         * doc/install.texi (mips-*-*): Change recommended binutils
 542         version.
 543
 544 2007-03-06  Anatoly Sokolov <aesok@post.ru>
 545
 546         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
 547         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
 548         devices.
 549         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
 550         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
 551
 552 2007-03-06  Jan Hubicka  <jh@suse.cz>
 553
 554         * errors.h (warning, error, fatal, internal_error): Mark as cold.
 555         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
 556         are hot.
 557         (probably_cold_bb_p): Cold functions are cold.
 558         (probably_never_executed_bb_p): Cold functions are cold.
 559         (tree_bb_level_predictions): Predict calls to cold functions as not
 560         taken.
 561         (compute_function_frequency): Check hot/cold attributes.
 562         * function.h (function_frequency): Update comments.
 563         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
 564         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
 565         (c_common_att): Add cold and hot.
 566
 567         * doc/extend.texi (hot,cold attributes): Document.
 568
 569 2007-03-06  Andrew Haley  <aph@redhat.com>
 570
 571         * function.c (expand_function_end): Move blockage to just after we
 572         emit the label for the naked return from the function.
 573
 574 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
 575
 576         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
 577         before redefining.
 578
 579 2007-03-06  Jan Hubicka  <jh@suse.cz>
 580
 581         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
 582         loaded for constant large models.  Non-large 64bit PIC can do.
 583         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
 584         * cmodel.h: Add LARGE PIC.
 585         * i386.md (UNSPEC_PLTOFF): New.
 586         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
 587         needed.
 588         (*call_1_rex64): Disable for large models.
 589         (*call_1_rex64_large): New.
 590         (*call_value_1_rex64): Disable for large models.
 591         (*call_value_1_rex64_large): New.
 592         (set_rip_rex4): New.
 593         (set_got_offset_rex64): New.
 594         * predicates.md (constant_call_address_operand): For large model
 595         constant calls are not possible.
 596         * i386-protos.h (construct_plt_address): Declare.
 597         * i386.c (override_options): Accept large models.
 598         (ix86_expand_prologue): Expand large PIC GOT pointer load.
 599         (legitimate_constant_p): Add new UNSPECs.
 600         (legitimate_pic_operand_p): Likewise.
 601         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
 602         (legitimize_pic_address): Do easy RIP relative way for TLS only for
 603         non-large model.
 604         (output_pic_addr_const): Add PLTOFF.
 605         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
 606         (ix86_expand_move): Legitimize pic address when in PIC mode.
 607         (construct_plt_address): New function.
 608         (ix86_expand_call): Offload the address to register and use GOT pointer
 609         for large model.
 610         * invoke.texi (mcmodel=large): Update documentation.
 611
 612 2007-03-06  Richard Henderson  <rth@redhat.com>
 613
 614         * config/i386/i386.c (x86_use_leave, x86_push_memory,
 615         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
 616         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
 617         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
 618         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
 619         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
 620         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
 621         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
 622         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
 623         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
 624         x86_partial_reg_dependency, x86_memory_mismatch_stall,
 625         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
 626         x86_sse_partial_reg_dependency, x86_sse_split_regs,
 627         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
 628         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
 629         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
 630         x86_schedule, x86_use_bt, x86_pad_returns,
 631         x86_use_xchgb): Merge into ...
 632         (ix86_tune_features): ... here.  New array.
 633         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
 634         x86_bswap): Merge into ...
 635         (ix86_arch_features): ... here.  New array.
 636         (x86_3dnow_a): Remove.
 637         (x86_accumulate_outgoing_args): Make static.
 638         (x86_arch_always_fancy_math_387): Make static.
 639         (ix86_tune_mask, ix86_arch_mask): Move ...
 640         (override_options): ... to local variables here.  Apply the
 641         appropriate mask to each element of ix86_arch_features and
 642         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
 643         as were done in the old macros.
 644         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
 645         * config/i386/i386.h (x86_use_leave, x86_push_memory,
 646         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
 647         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
 648         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
 649         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
 650         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
 651         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
 652         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
 653         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
 654         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
 655         x86_partial_reg_dependency, x86_memory_mismatch_stall,
 656         x86_accumulate_outgoing_args, x86_prologue_using_move,
 657         x86_epilogue_using_move, x86_decompose_lea,
 658         x86_arch_always_fancy_math_387, x86_shift1,
 659         x86_sse_partial_reg_dependency, x86_sse_split_regs,
 660         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
 661         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
 662         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
 663         x86_use_incdec, x86_pad_returns, x86_bswap,
 664         x86_partial_flag_reg_stall): Remove.
 665         (enum ix86_tune_indices): New.
 666         (ix86_tune_features): New.
 667         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
 668         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
 669         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
 670         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
 671         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
 672         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
 673         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
 674         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
 675         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
 676         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
 677         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
 678         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
 679         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
 680         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
 681         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
 682         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
 683         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
 684         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
 685         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
 686         TARGET_EXT_80387_CONSTANTS): Use it.
 687         (enum ix86_arch_indices): New.
 688         (ix86_arch_features): New.
 689         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
 690         TARGET_BSWAP): Use it.
 691         (ix86_tune_mask, ix86_arch_mask): Remove.
 692
 693 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
 694
 695         PR bootstrap/31020
 696         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
 697         Define using $${sysroot_headers_suffix}.
 698         * configure: Regenerate.
 699         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
 700         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
 701         defined.
 702         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
 703         * gcc.c (print_sysroot_headers_suffix): New.
 704         (option_map): Include --print-sysroot-headers-suffix.
 705         (display_help): Mention -print-sysroot-headers-suffix.
 706         (process_command): Handle -print-sysroot-headers-suffix.
 707         (do_spec_1): Append multilib directory to include-fixed path if
 708         sysroot suffixes in use.
 709         (main): Handle -print-sysroot-headers-suffix.
 710         * Makefile.in (start.encap): Don't depend on xlimits.h
 711         (xlimits.h): Remove.
 712         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
 713         limits.h for each multilib in fixinc_list.
 714         (fixinc_list, s-fixinc_list): New.
 715         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
 716         generate them for each multilib in fixinc_list.
 717         (stmp-fixproto): Use include-fixed.  Run fixproto for each
 718         multilib in fixinc_list.
 719         (mostlyclean): Don't remove xlimits.h.
 720         (clean): Remove include-fixed.
 721         (real-install-headers-tar, real-install-headers-cpio,
 722         real-install-headers-cp): Don't copy include, only include-fixed.
 723         (install-mkheaders): Depend on fixinc_list.  Don't depend on
 724         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
 725         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
 726         SYSTEM_HEADER_DIR setting in mkheaders.conf.
 727
 728 2007-03-06  Jan Hubicka  <jh@suse.cz>
 729
 730         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
 731         NANs easilly.
 732
 733 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
 734
 735         * configure.ac: Allow tm_file to contain build-directory files.
 736         * configure: Regenerate.
 737         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
 738         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
 739         * config/m68k/print-sysroot-suffix.sh: New file.
 740
 741 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
 742
 743         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
 744         of pic_offset_table_rtx if reload_completed.
 745         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
 746         PIC_OFFSET_TABLE_REGNUM.
 747         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
 748         return true.
 749         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
 750         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
 751
 752 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
 753
 754         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
 755         functions that call eh_return.
 756
 757 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
 758
 759         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
 760         functions that need a constant pool.
 761
 762 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
 763
 764         PR target/28181
 765         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
 766         (m68k_preferred_reload_class): Likewise.
 767         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
 768         (SECONDARY_RELOAD_CLASS): Define.
 769         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
 770         (LIMIT_RELOAD_CLASS): Delete.
 771         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
 772         registers from storing bytes.
 773         (m68k_secondary_reload_class): New function.
 774         (m68k_preferred_reload_class): Likewise.
 775
 776 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
 777
 778         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
 779         leaf functions.
 780         (m68k_expand_prologue): Likewise.
 781
 782 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
 783
 784         * config/m68k/m68k-protos.h (output_sibcall): Declare.
 785         (mips_expand_epilogue): Add a bool parameter.
 786         (m68k_legitimize_sibcall_address): Declare.
 787         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
 788         (m68k_expand_epilogue): Add a parameter to select between sibling
 789         and normal epilogues.  Only generate a return for the latter.
 790         (m68k_ok_for_sibcall_p): New function.
 791         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
 792         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
 793         (sibcall_value, *sibcall_value): Likewise.
 794         (*call, *call_value): Require !SIBLING_CALL_P.
 795         (epilogue): Update call to m68k_expand_epilogue.
 796         (sibcall_epilogue): New pattern.
 797         * config/m68k/predicates.md (const_call_operand): Say that this
 798         predicate applies to sibling calls too.
 799         (sibcall_operand): New predicate.
 800
 801 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
 802
 803         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
 804         alternatives as movsi_cf.
 805         (movsf_cf_hard): Add commentary.
 806
 807 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
 808             Richard Sandiford  <richard@codesourcery.com>
 809
 810         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
 811         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
 812         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
 813         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
 814         as being live on exit from an interrupt function.
 815         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
 816         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
 817         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
 818         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
 819         (m68k_interrupt_function_p): Globalize.
 820         (m68k_compute_frame_layout): Remove reverse mask code.
 821         (m68k_emit_movem, m68k_set_frame_related): New functions.
 822         (m68k_output_function_prologue): Delete in favor of...
 823         (m68k_expand_prologue): ...this new function.
 824         (m68k_output_function_epilogue): Delete in favor of...
 825         (m68k_expand_epilogue): ...this new function.
 826         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
 827         functions.
 828         (print_operand): Handle %?.
 829         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
 830         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
 831         (prologue, epilogue): New patterns.
 832         (return): Turn into a define_expand.
 833         (*return): New pattern, derived from old "return" pattern.  Use rte
 834         rather than rts for interrupt functions.  Only use rtd if the pop
 835         count is nonzero.
 836         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
 837         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
 838         (link, *link, unlink, *unlink, load_got): Likewise.
 839
 840 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
 841
 842         PR target/23482
 843         PR target/17114
 844         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
 845         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
 846         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
 847         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
 848         and m68k_matches_u_p.
 849         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
 850         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
 851         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
 852         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
 853         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
 854         (REG_STRICT_P): New macro.
 855         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
 856         PCREL_GENERAL_OPERAND_OK.
 857         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
 858         m68k_legitimate_base_reg_p.
 859         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
 860         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
 861         (PIC_CASE_VECTOR_ADDRESS): Update comment.
 862         * config/m68k/m68k.c (m68k_address): New structure.
 863         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
 864         (m68k_decompose_index, m68k_legitimate_constant_address_p)
 865         (m68k_jump_table_ref_p, m68k_decompose_address)
 866         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
 867         (m68k_matches_u_p): New functions.
 868         (print_operand_address): Rewrite to use m68k_decompose_index.
 869
 870 2007-03-05  David Taylor  <dtaylor@emc.com>
 871
 872         * gcc.c: Correct copyright date in --version output.
 873
 874 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 875
 876         * pa.md: In unamed move patterns, disparge copies between general
 877         and floating point registers using '?' modifier.  Don't include 'f'
 878         constraint for register preferences in DImode, SImode, HImode and
 879         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
 880         Remove constraints for copies between general and floating registers
 881         in soft-float DFmode pattern.
 882         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
 883         floating register.
 884         (movsf): Likewise.
 885
 886 2007-03-05  Mike Stump  <mrs@apple.com>
 887
 888         * c-common.c (targetcm): Add.
 889         * c-opts.c (c_common_handle_option): Handle language specific
 890         target options.
 891         * opts.c (handle_option): Verify language for target options, if
 892         any are given.
 893         * opth-gen.awk: Add CL_LANG_ALL.
 894         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
 895         (TARGETCM_INITIALIZER): Add.
 896         * target.h (struct gcc_targetcm): Add.
 897         (targetcm): Add.
 898         * targhooks.c (default_handle_c_option): Add.
 899         * targhooks.h (default_handle_c_option): Add.
 900         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
 901
 902         * config/darwin.opt (iframework): Add.
 903         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
 904         * config/darwin-c.c (handle_c_option): Add.
 905         (TARGET_HANDLE_C_OPTION): Add.
 906         (targetcm): Add.
 907         * doc/invoke.texi (Darwin Options): Add -iframework.
 908
 909 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 910
 911         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
 912         conversion.
 913
 914 2007-03-05  Ian Lance Taylor  <iant@google.com>
 915
 916         * c.opt (fgnu89-inline): New option.
 917         * c-opts.c (c_common_post_options): Set default value for
 918         flag_gnu89_inline.
 919         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
 920         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
 921         inline functions.
 922         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
 923         (grokdeclarator, start_function): Likewise.
 924         * c-cppbuiltin.c (c_cpp_builtins): Define either
 925         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
 926         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
 927         (C Dialect Options): Document -fgnu89-inline.
 928         * doc/extend.texi (Function Attributes): Explain what the
 929         gnu_inline attribute does.
 930         * doc/cpp.texi (Common Predefined Macros): Document
 931         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
 932
 933 2007-03-05  Ian Lance Taylor  <iant@google.com>
 934
 935         PR tree-optimization/31034
 936         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
 937         half-range if the other side is an overflow infinity.
 938
 939 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
 940
 941         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
 942         (bfin*-linux-uclibc*): New configuration.
 943         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
 944         defining.
 945         * config/bfin/linux.h: New file.
 946         * config/bfin/libgcc-bfin.ver: New file.
 947         * config/bfin/t-bfin-uclinux: New file.
 948         * config/bfin/t-bfin-linux: New file.
 949         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
 950         (TARGET_OS_CPP_BUILTINS): New macro.
 951
 952 2007-03-05  Richard Guenther  <rguenther@suse.de>
 953
 954         * fold-const.c (fold_binary): Remove duplicate folding
 955         of comparison of non-null ADDR_EXPR against null.
 956
 957 2007-03-05  Richard Guenther  <rguenther@suse.de>
 958             Dorit Nuzman  <dorit@il.ibm.com>
 959
 960         PR tree-optimization/26420
 961         * tree-vectorizer.c (vectorize_loops): Bail out early if there
 962         are no loops in the function.  Only print the number of
 963         vectorized loops if it is greater than zero or we are supposed
 964         to print information about unvectorized loops.
 965
 966 2007-03-05  Revital Eres  <eres@il.ibm.com>
 967
 968         * gcc.dg/var-expand1.c: New test.
 969         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
 970         when an accumulator is expanded.
 971
 972 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 973
 974         PR other/30465
 975         * c-common.c (convert_and_check): Don't give warnings for
 976         conversion if 'expr' already overflowed.
 977
 978 2007-03-04  Roger Sayle  <roger@eyesopen.com>
 979
 980         PR middle-end/30744
 981         * fold-const.c (fold_comparison): Enforce type consistency when
 982         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
 983
 984 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
 985
 986         * tree-ssa-address.c (create_mem_ref): Do not put an expression
 987         containing a cast to the base of TARGET_MEM_REF.
 988
 989 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
 990
 991         * tree.c (tree_contains_struct_check_failed): Remove spurious
 992         whitespace from error message.
 993
 994 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
 995
 996         PR target/30406
 997         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
 998         instead of precision.
 999
1000 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
1001             Nathan Sidwell  <nathan@codesourcery.com>
1002
1003         * emit-rtl.c (find_auto_inc): New.
1004         (try_split): recreate REG_INC notes,
1005         Use regular for loops rather than whiles.
1006
1007 2007-03-03  Andreas Schwab  <schwab@suse.de>
1008
1009         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
1010         * configure: Regenerate.
1011
1012 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1013
1014         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
1015         flag_rounding_math, not flag_unsafe_math_optimizations.
1016
1017         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
1018         fold_build2.
1019         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
1020         alpha_fold_vector_minmax): Likewise.
1021         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
1022         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
1023
1024 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
1025
1026         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
1027         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
1028         if the lhs has side-effects.
1029         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
1030
1031 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
1032
1033         * config/i386/i386.h (TUNEMASK): Remove define.
1034         (ARCHMASK): Remove define.
1035         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
1036          Use ix86_arch_mask variable instead of ARCHMASK.
1037         * config/i386/i386.c (override_options): Ditto.
1038         (standard_80387_constant_p): Ditto.
1039
1040 2007-03-02  Ian Lance Taylor  <iant@google.com>
1041
1042         Used signed infinities in VRP.
1043         * tree-vrp.c (uses_overflow_infinity): New static function.
1044         (supports_overflow_infinity): New static function.
1045         (make_overflow_infinity): New static function.
1046         (negative_overflow_infinity): New static function.
1047         (positive_overflow_infinity): New static function.
1048         (is_negative_overflow_infinity): New static function.
1049         (is_positive_overflow_infinity): New static function.
1050         (is_overflow_infinity): New static function.
1051         (overflow_infinity_range_p): New static function.
1052         (compare_values_warnv): New function split out of compare_values.
1053         (compare_value): Call it.
1054         (set_value_range_to_nonnegative): Add overflow_infinity
1055         parameter.  Change caller.
1056         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
1057         Change callers.
1058         (vrp_expr_computes_nonzero): Likewise.
1059         (compare_ranges, compare_range_with_value): Likewise.
1060         (compare_name_with_value, compare_names): Likewise.
1061         (vrp_evaluate_conditional): Likewise.
1062         (set_value_range): Handle infinity
1063         (vrp_operand_equal_p, operand_less_p): Likewise.
1064         (extract_range_from_assert): Likewise.
1065         (vrp_int_const_binop): Likewise.
1066         (extract_range_from_binary_expr): Likewise.
1067         (extract_range_from_unary_expr): Likewise.
1068         (extract_range_from_comparison): Likewise.
1069         (extract_range_from_expr): Likewise.
1070         (dump_value_range): Likewise.
1071         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
1072         (test_for_singularity): Likewise.
1073         (vrp_int_const_binop): Remove inline qualifier.
1074         (adjust_range_with_scev): Add comment.
1075         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
1076
1077 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
1078
1079         * tree-ssa-structalias.c (could_have_pointers): Tidy.
1080         (get_constraint_for): Likewise.
1081         (do_structure_copy): Likewise.
1082         (find_func_aliases): Fix references to MODIFY_EXPR.
1083         (intra_create_variable_infos): Tidy.
1084         * tree-ssa-operands.c (add_virtual_operand): Add argument
1085         IS_CALL_SITE.
1086         When adding members of alias sets, if IS_CALL_SITE is true and
1087         the symbol is not call-clobbered, skip it.
1088         Adjust all callers.
1089
1090 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
1091
1092         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
1093         entry by means of emit_insn_at_entry.
1094
1095 2007-03-02  Richard Henderson  <rth@redhat.com>
1096
1097         * expr.h (promoted_input_arg): Remove decl.
1098         * function.c (promoted_input_arg): Merge into ...
1099         * combine.c (setup_incoming_promotions): ... only caller.
1100         Rearrange to avoid double loop.
1101
1102 2007-03-02  Ben Elliston  <bje@au.ibm.com>
1103             Peter Bergner  <bergner@vnet.ibm.com>
1104             Janis Johnson  <janis187@us.ibm.com>
1105
1106         * config/rs6000/dfp.md: New file.
1107         * config/rs6000/rs6000.md: Include dfp.md.
1108         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
1109         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
1110         and TDmode decimal float modes in FP registers.
1111         (num_insns_constant): Likewise.
1112         (rs6000_legitimate_offset_address_p): Likewise.
1113         (rs6000_legitimize_address): Likewise.
1114         (rs6000_legitimize_reload_address): Likewise.
1115         (rs6000_legitimate_address): Likewise.
1116         (rs6000_emit_move): Likewise.
1117         (function_arg_boundary): Likewise.
1118         (function_arg_advance): Likewise.
1119         (rs6000_darwin64_record_arg_recurse): Likewise.
1120         (function_arg): Likewise.
1121         (rs6000_gimplify_va_arg): Likewise.
1122         (rs6000_split_multireg_move): Likewise.
1123         (rs6000_output_function_epilogue): Likewise.
1124         (rs6000_output_function_epilogue): Likewise.
1125         (rs6000_register_move_cost): Likewise.
1126         (rs6000_function_value): Likewise.
1127         (rs6000_libcall_value): Likewise.
1128
1129 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
1130
1131         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
1132
1133 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
1134
1135         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
1136         Use $MULTIDIR to choose between the kernel and RTP headers,
1137         and use $WIND_BASE and $WIND_USR to locate them.
1138
1139 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
1140
1141         * config/i386/i386.c (override_options): Put initialization of
1142         ix86_tune_mask and ix86_arch_mask to the correct place.
1143
1144 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
1145             Michael Meissner  <michael.meissner@amd.com>
1146
1147         PR target/31019
1148         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
1149         (ARCHMASK): Define.
1150         (TARGET_CMOVE): Use ARCHMASK.
1151         (TARGET_CMPXCHG): Ditto.
1152         (TARGET_CMPXCHG8B): Ditto.
1153         (TARGET_XADD): Ditto.
1154         (TARGET_BSWAP): Ditto.
1155         * config/i386/i386.c (ix86_tune_mask): New global variable.
1156         (ix86_arch_mask): Ditto.
1157         (override_options): Initialize ix86_tune_mask and
1158         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
1159         target_flags.
1160
1161 2007-03-02  Ben Elliston  <bje@au.ibm.com>
1162
1163         PR 30992
1164         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
1165
1166 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
1167
1168         * target.h (init_dwarf_reg_sizes_extra): New target hook.
1169         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
1170         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
1171         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
1172         hook.
1173         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
1174         rs6000_init_dwarf_reg_sizes_extra): New.
1175         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
1176         SPE register high parts.
1177
1178 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
1179
1180         * Makefile.in: Add install-pdf target as
1181         copied from automake v1.10 rules.
1182         * configure.ac: Add install-pdf to target list.
1183         * configure: Regenerate.
1184
1185 2007-03-01  Paul Brook  <paul@codesourcery.com>
1186
1187         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
1188         modes to LDRD for DImode.
1189         (output_move_double): Fixup out of range ldrd/strd.
1190         (vfp_secondary_reload_class): Rename...
1191         (coproc_secondary_reload_class): ... to this.  Add wb argument.
1192         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
1193         coproc_secondary_reload_class for CLASS_IWMMXT.
1194         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
1195         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
1196
1197 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
1198
1199         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
1200         factor by the estimated number of iterations.
1201         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
1202         prefetch latency.
1203
1204         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
1205         decode_caches_intel, detect_caches_intel): New functions.
1206         (host_detect_local_cpu): Use detect_caches_amd and
1207         detect_caches_intel.
1208
1209 2007-03-01  Richard Henderson  <rth@redhat.com>
1210
1211         * expr.c (emit_move_complex_push): Export.
1212         (emit_move_complex_parts): Split out from ...
1213         (emit_move_complex): ... here.
1214         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
1215         * config/i386/i386.md (movcdi): New.
1216
1217 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
1218
1219         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
1220         size of mode1 to check for tieable modes in MMX case.
1221
1222 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
1223
1224         * Makefile.in (rtlanal.o): Depend on tree.h.
1225         * rtl.h (offset_within_section_p, split_const): Declare.
1226         * rtlanal.c: Include tree.h.
1227         (offset_within_block_p): New function, taken from
1228         mips_offset_within_object_p.
1229         (split_const): New function, taken from mips_split_const.
1230         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
1231         Declare.
1232         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
1233         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
1234         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
1235         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
1236         (m68k_illegitimate_symbolic_constant_p): New function.
1237         * config/m68k/m68k.md (movsi): Remove misleading predicates.
1238         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
1239         symbolic constant that might be outside the symbol's section,
1240         move the symbol first and then add the offset.
1241         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
1242         Override.
1243         * config/mips/mips.c (mips_split_const): Delete.
1244         (mips_offset_within_object_p): Delete.
1245         (mips_symbolic_constant_p): Use offset_within_section_p and
1246         split_const instead of mips_offset_within_object_p and
1247         mips_split_const.
1248         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
1249         (mips_legitimize_const_move, print_operand_reloc)
1250         (mips_dangerous_for_la25_p): Use split_const instead of
1251         mips_split_const.
1252
1253 2007-02-28  Eric Christopher  <echristo@apple.com>
1254
1255         * Makefile.in (install-include-dir): Don't rm -rf include.
1256
1257 2007-02-28  Richard Guenther  <rguenther@suse.de>
1258
1259         PR middle-end/30364
1260         * fold-const.c (fold_binary): Do not associate expressions
1261         with more than one variable for integer types that do not wrap.
1262
1263 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
1264
1265         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
1266         Delete, and replace with...
1267         (fold_builtin_call_array): This.  Update callers to use it.
1268         * fold-const.c (fold_build_call_list): Delete, and replace with...
1269         (fold_build_call_array): This.
1270         (fold_build_call_list_initializer): Delete, and replace with...
1271         (fold_build_call_array_initializer): This.
1272         * tree.h: Update declarations to reflect above changes.
1273
1274         * c-typeck.c (build_function_call): Store converted arguments
1275         in a stack-allocated array instead of building a list.
1276         (convert_arguments): Store arguments in the array passed in as an
1277         argument, and return the actual number of arguments.
1278         * c-format.c: (check_function_format): Pass arguments in an
1279         array instead of a list.
1280         * c-common.c (check_function_nonnull): Likewise.
1281         (check_function_sentinel): Likewise.
1282         (check_function_arguments): Likewise.
1283         * c-common.h: Update declarations to reflect above changes.
1284
1285 2007-02-28  Jan Hubicka  <jh@suse.cz>
1286
1287         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
1288         PRED_NEGATIVE_RETURN): Update outcomes.
1289
1290 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
1291
1292         * calls.c (emit_library_call_value_1): Handle partial registers
1293         correctly when building up CALL_INSN_FUNCTION_USAGE.
1294
1295 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1296
1297         * pa/predicates.md (move_src_operand): Allow zero for mode.
1298         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
1299         move pattern.
1300
1301 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
1302
1303         PR target/30970
1304         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
1305         *movv2df_internal): Enable pattern only for valid operand
1306         combinations.
1307         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
1308         tie only 128bit modes. For MMX registers, tie only 64bit modes.
1309
1310 2007-02-27  Mike Stump  <mrs@apple.com>
1311
1312         * config/darwin-crt3.c: Avoid compilation when compiling for a
1313         kext multilib.
1314
1315 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
1316
1317         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
1318         FIXED_INCLUDE_DIR.
1319         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
1320         for fixed headers and limits.h.
1321         (install-include-dir, install-headers-tar, install-headers-cpio,
1322         install-headers-cp, real-install-headers-tar,
1323         real-install-headers-cpio, real-install-headers-cp): Handle
1324         include-fixed as well as include.
1325         (install-mkheaders): Don't install files that go only in include
1326         not include-fixed.
1327         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
1328         from GCC_INCLUDE_DIR.
1329         * gcc.c (process_command): Remove special -BstageN/ handling.
1330         (do_spec_1): Add include-fixed directories.
1331
1332 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
1333
1334         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
1335         _smulsi3_highpart.
1336         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
1337         New functions.
1338         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
1339         patterns.
1340
1341 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
1342
1343         * c-common.c (get_priority): Add check for
1344         SUPPORTS_INIT_PRIORITY.
1345
1346 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
1347
1348         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
1349
1350         * config/bfin/bfin.c: Include "cfglayout.h".
1351         (MAX_LSETUP_DISTANCE): New macro.
1352         (struct loop_info): New members incoming, incoming_src and
1353         incoming_dest.  Delete member predecessor.
1354         (length_for_loop): New function.
1355         (bfin_optimize_loop): Handle more different loop structures.
1356         (bfin_discover_loop): Rework detection of predecessor blocks by
1357         examining incoming edges.
1358         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
1359         bfin_reorg_loops.
1360         (bfin_reorder_loops): New function.
1361         (bfin_reorg_loops): Use these three new functions.
1362
1363         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
1364         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
1365         (CONSTRAINT_LEN): Add entry for 'q'.
1366         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
1367         Add 'q' constraints.
1368         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
1369         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
1370
1371         * config/bfin/bfin.md (add_with_carry): New pattern.
1372         (s_or_u, su_optab, su_modifier): New code macros/attrs.
1373         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
1374         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
1375         support unsigned multiplies too.  Removed incorrect commutativity from
1376         operand 1 constraint where appropriate.
1377         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
1378         patterns.
1379         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
1380         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
1381         New patterns.
1382         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
1383         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
1384         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
1385         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
1386         usmulhisi_hh_huh): New patterns.
1387
1388         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
1389         lshifthi3): Fix output template to use half reg for operand 2.
1390
1391         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
1392         instead of R2.
1393
1394         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
1395
1396 2007-02-27  Andreas Schwab  <schwab@suse.de>
1397
1398         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
1399
1400 2007-02-27  Jan Hubicka  <jh@suse.cz>
1401
1402         * predict.c (last_basic_block_p): Remove.
1403         (tree_estimate_probability): Update return heuristic for commonized
1404         return blocks.
1405
1406 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
1407
1408         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
1409
1410 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
1411
1412         * doc/include/gcc-common.texi (versionsubtitle): New macro.
1413         * doc/cpp.texi: Standardize title page.
1414         * doc/cppinternals.texi: Likewise.
1415         * doc/gcc.texi: Standardize title page, remove version number
1416         from copyright page.
1417         * doc/gccint.texi: Likewise.
1418         * doc/install.texi: Standardize title page, add table of
1419         contents.
1420
1421 2007-02-26  Jan Hubicka  <jh@suse.cz>
1422
1423         * predict.def: Set outcomes according to more recent results.
1424         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
1425         Remove dead predictors.
1426         * predict.c (return_prediction): Fix pasto.
1427
1428 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
1429
1430         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
1431         change; avoid a memory leak when returning early.
1432
1433 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
1434
1435         * c-decl.c (static_ctors): Move to c-common.c.
1436         (static_dtors): Likewise.
1437         (finish_function): Use c_record_cdtor_fn.
1438         (build_cdtor): Move to c-common.c.
1439         (c_write_global_declarations): Use c_build_cdtor_fns.
1440         * c-common.h (static_ctors): Declare.
1441         (static_dtors): Likewise.
1442         (c_record_cdtor_fn): Likewise.
1443         (c_build_cdtor_fns): Likewise.
1444         * c-common.c (static_ctors): New variable.
1445         (static_dtors): Likewise.
1446         (c_record_cdtor_fn): New function.
1447         (build_cdtor): Move from c-decl.c
1448         (c_build_cdtor_fns): New function.
1449
1450         * output.h (assemble_addr_to_section): Declare.
1451         (get_cdtor_priority_section): Likewise.
1452         * varasm.c (assemble_addr_to_section): New function.
1453         (get_cdtor_priority_section): Likewise.
1454         (default_named_section_asm_out_destructor): Use them.
1455         (destor_dtor_section_asm_out_destructor): Likewise.
1456         (default_named_section_asm_out_constructor): Likewise.
1457         (default_ctor_section_asm_out_constructor): Likewise.
1458         * config.gcc (*-*-vxworks*): Include vxworks.o.
1459         * config/t-vxworks (vxworks.o): New target.
1460         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
1461         (TARGET_ASM_CONSTRUCTOR): Define.
1462         (TARGET_ASM_DESTRUCTOR): Likewise.
1463         (vxworks_asm_out_constructor): Declare.
1464         (vxworks_asm_out_destructor): Likewise.
1465
1466         * c-common.c (get_priority): Check that we have not just an
1467         INTEGER_CST, but an integer constant with integeral type.
1468
1469 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
1470
1471         PR tree-optimization/30938
1472         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
1473         use &dt[nargs-1] instead of &dt[nargs] in the call to
1474         vect_is_simple_use().
1475
1476 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
1477
1478         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
1479         from register elimination as PRE_MODIFY / POST_MODIFY increments.
1480         Do not attempt to handle MEM inside auto-inc expressions.
1481         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
1482         of a register modified by an auto-inc expression.  However, do handle
1483         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
1484         (elimination_effects): Prohibit elimination of a register modified
1485         by an auto-inc expression.  Disable register elimination rules whose
1486         target register is modified by an auto-inc expression with variable
1487         increment.
1488
1489 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
1490
1491         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
1492         off-by-one error.
1493         (array_at_struct_end_p): New function.
1494         (idx_infer_loop_bounds): Use it.
1495         (estimate_numbers_of_iterations_loop): Export.
1496         * predict.c (predict_loops): Use estimated_loop_iterations_int.
1497         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
1498         (tree_estimate_probability): Call record_loop_exits.
1499         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
1500         (estimated_loop_iterations, estimated_loop_iterations_int,
1501         estimated_loop_iterations_tree): New functions.
1502         (analyze_siv_subscript_cst_affine,
1503         compute_overlap_steps_for_affine_1_2,
1504         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
1505         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
1506         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
1507         (PRED_LOOP_ITERATIONS_GUESSED): New.
1508         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
1509         * cfgloop.h (estimate_numbers_of_iterations_loop,
1510         estimated_loop_iterations_int): Declare.
1511
1512 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
1513
1514         * doc/extend.texi: Document optional priority argument to
1515         constructors and destructors.
1516         * tree.c (init_priority_for_decl): Adjust GTY markers.
1517         (init_ttree): Use priority-info hash functions for
1518         init_priority_for_decl.
1519         (tree_map_eq): Rename to ...
1520         (tree_map_base_eq): ... this.
1521         (tree_map_marked_p): Rename to ...
1522         (tree_map_base_marked_p): ... this.
1523         (tree_map_base_hash): New function.
1524         (decl_init_priority_lookup): Rework.
1525         (decl_fini_priority_lookup): New function.
1526         (decl_priority_info): New function.
1527         (decl_init_priority_insert): Use it.
1528         (decl_fini_priority_insert): Likewise.
1529         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
1530         hierarchy.
1531         (decl_restrict_base_insert): Likewise.
1532         (decl_debug_expr_insert): Likewise.
1533         (decl_value_expr_lookup): Likewise.
1534         (decl_value_expr_insert): Likewise.
1535         * tree.h (priority_type): New type.
1536         (decl_init_priority_lookup): Use priority_type.
1537         (decl_fini_priority_lookup): New function.
1538         (decl_init_priority_insert): Use priority_type.
1539         (decl_fini_priority_insert): New function.
1540         (DECL_HAS_INIT_PRIORITY): Tweak comments.
1541         (DECL_INIT_PRIORITY): Likewise.
1542         (SET_DECL_INIT_PRIORITY): Add comment.
1543         (DECL_FINI_PRIORITY): New macro.
1544         (SET_DECL_FINI_PRIORITY): Likewise.
1545         (DEFAULT_INIT_PRIORITY): Document.
1546         (MAX_INIT_PRIORITY): Likewise.
1547         (MAX_RESERVED_INIT_PRIORITY): Likewise.
1548         (tree_map_base): New type.
1549         (tree_map_base_eq): New function.
1550         (tree_map_base_hash): Likewise.
1551         (tree_map_base_marked_p): Likewise.
1552         (tree_map): Inherit from tree_map_base.
1553         (tree_map_eq): Make it a macro.
1554         (tree_map_marked_p): Likewise.
1555         (tree_int_map): Inherit from tree_map_base.
1556         (tree_int_map_eq): Make it a macro.
1557         (tree_int_map_hash): Likewise.
1558         (tree_int_map_marked_p): Likewise.
1559         (tree_priority_map): New type.
1560         (tree_priority_map_eq): New macro.
1561         (tree_priority_map_hash): Likewise.
1562         (tree_priority_map_marked_p): Likewise.
1563         * varasm.c (emults_decl): Adjust for refactoring of tree_map
1564         hierarchy.
1565         (emutls_common_1): Likewise.
1566         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
1567         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
1568         of tree_map hierarchy.
1569         * tree-cfg.c (move_stmt_r): Likewise.
1570         (new_label_mapper): Likewise.
1571         * c-tree.h (c_expand_body): Move to ...
1572         * c-common.h (c_expand_body): ... here.
1573         * c-decl.c (c_expand_body): Move to ...
1574         * c-common.c (c_expand_body): ... here.
1575         (c_common_attribute_table): Allow 1 argument for the constructor
1576         and destructor attributes.
1577         (get_priority): New function.
1578         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
1579         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
1580
1581 2007-02-24  Jan Hubicka  <jh@suse.cz>
1582
1583         PR middle-end/30509
1584         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
1585
1586 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
1587             Jan Hubicka  <jh@suse.cz>
1588
1589         PR target/30778
1590         * i386.c (counter_mode): New function.
1591         (expand_set_or_movmem_via_loop): Use it.
1592         (expand_movmem_epilogue): Likewise; fix pasto.
1593         (ix86_expand_movmem): Do emit guard even for constant counts.
1594         (ix86_expand_setmem): Likewise.
1595
1596 2007-02-25  Nick Clifton  <nickc@redhat.com>
1597
1598         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
1599         (JUMP_TABLES_IN_TEXT_SECTION): Define.
1600
1601 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
1602
1603         PR target/30770
1604         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
1605         count argument with 0x10, not with 0x16.
1606         (expand_setmem_epilogue): Ditto.
1607
1608 2007-02-24  Mike Stump  <mrs@apple.com>
1609
1610         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
1611         symbols.
1612
1613 2007-02-24  Richard Guenther  <rguenther@suse.de>
1614
1615         PR middle-end/30951
1616         * fold-const.c (fold_binary): Fold x +- CST op x for
1617         EQ_EXPR and NE_EXPR.
1618
1619 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1620
1621         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
1622
1623 2007-02-24  Jan Hubicka  <jh@suse.cz>
1624
1625         * cgraphunit.c (decide_is_function_needed): Honor
1626         -fkeep-inline-functions.
1627
1628 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1629
1630         * builtins.c (fold_builtin_modf): New.
1631         (fold_builtin_2): Use it.
1632
1633 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
1634
1635         * loop-iv.c (implies_p): Detect additional cases where A implies B.
1636         (determine_max_iter): Take additional LOOP arg; all callers changed.
1637         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
1638         one using simplifications.
1639         (simplify_using_initial_values): Return if the expression becomes
1640         invalid due to altered regs.
1641
1642 2007-02-23  DJ Delorie  <dj@redhat.com>
1643
1644         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
1645
1646 2007-02-23  Mike Stump  <mrs@apple.com>
1647
1648         * tlink.c (scan_linker_output): Parse linker messages from
1649         darwin9's linker better.
1650
1651 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
1652
1653         PR debug/29614
1654         * varpool.c (varpool_assemble_pending_decls):  Set
1655         varpool_last_needed_node to null.
1656
1657 2007-02-23  DJ Delorie  <dj@redhat.com>
1658
1659         * config/i386/i386.c (ix86_data_alignment): Don't specify an
1660         alignment bigger than the object file can handle.
1661
1662 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
1663
1664         PR target/30825
1665         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
1666         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
1667         (*movsf_1): Penalize MMX moves.
1668
1669 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
1670
1671         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
1672         2^32-1 or more times unless flag_unsafe_loop_optimizations.
1673
1674         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
1675
1676 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1677
1678         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
1679         (fold_builtin_1): Use them.
1680         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
1681         BUILT_IN_SIGNIFICAND.
1682
1683 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
1684
1685         * config/i386/i386.c (bdesc_1arg): Initialize
1686         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
1687         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
1688         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
1689         and IX86_BUILTIN_MOVSLDUP.
1690
1691 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
1692
1693         PR rtl-optimization/30841
1694         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
1695
1696 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1697
1698         * builtins.c (fold_builtin_frexp): New.
1699         (fold_builtin_2): Use it.
1700
1701 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
1702
1703         * doc/invoke.texi (Spec Files): Document getenv spec function.
1704
1705         * gcc.c (getenv_spec_function): New function.
1706         (static_spec_functions): Add it.
1707         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
1708         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
1709         header files.
1710
1711 2007-02-22  Michael Matz  <matz@suse.de
1712
1713         PR c++/29433
1714         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
1715         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
1716
1717 2007-02-22  Ian Lance Taylor  <iant@google.com>
1718
1719         PR debug/30898
1720         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
1721         (mem_loc_descriptor): Call it.
1722
1723 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
1724             Ira Rosen  <irar@il.ibm.com>
1725
1726         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
1727
1728 2007-02-22  Ira Rosen  <irar@il.ibm.com>
1729
1730         PR tree-optimization/30843
1731         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
1732         stores only after all the group is vectorized.
1733
1734 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
1735
1736         PR tree-optimization/30858
1737         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
1738         in the reduction cycle have a single use in the loop.
1739         * tree-vectorizer.h (relevant): Add documentation.
1740
1741 2007-02-20  Mike Stump  <mrs@apple.com>
1742
1743         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
1744         * configure: Regenerate.
1745
1746 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
1747
1748         Change the defaults of some parameters and options.
1749         * config/spu/spu-protos.h (spu_optimization_options): Declare.
1750         * config/spu/spu.c (spu_optimization_options): Add.
1751         (spu_override_options): Change params in spu_optimization_options.
1752         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
1753
1754         Register 127 is only 16 byte aligned when used as a frame pointer.
1755         * config/spu/spu-protos.h (spu_init_expanders): Declare.
1756         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
1757         HARD_FRAME_POINTER_REGNUM.
1758         (spu_legitimate_address):  Use regno_aligned_for_reload.
1759         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
1760         aligned when frame_pointer_needed is true.
1761         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
1762         to 8 bits.
1763         * config/spu/spu.h (INIT_EXPANDERS): Define.
1764
1765         Make sure shift and rotate instructions have valid immediate operands.
1766         * config/spu/predicates.md (spu_shift_operand): Remove.
1767         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
1768         * config/spu/constraints.md (W, O): Extend range.
1769         * config/spu/spu.md (umask, nmask): Define.
1770         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
1771         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
1772         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
1773         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
1774         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
1775         (lshr<mode>3_reg):  Fix rtl description.
1776
1777         Make sure mulhisi immediate operands are valid.
1778         * config/spu/predicates.md (imm_K_operand): Add.
1779         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
1780
1781         Generate constants using fsmbi and andi.
1782         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
1783         (print_operand, spu_split_immediate, classify_immediate,
1784         fsmbi_const_p): Handle IC_FSMBI2.
1785
1786         Correctly handle a CONST_VECTOR containing symbols.
1787         * config/spu/spu.c (print_operand): Handle HIGH correctly.
1788         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
1789         (immediate_load_p): Allow symbols that use 2 instructions to create.
1790         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
1791         with symbols when flag_pic is set.
1792         (const_vector_immediate_p): New.
1793         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
1794         accept a CONST_VECTOR with symbols.
1795         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
1796         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
1797         correctly.
1798         * config/spu/spu.md (high, low): Delete.
1799         (low_<mode>): Define.
1800
1801         Remove INTRmode and INTR_REGNUM, which didn't work.
1802         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
1803         of INTR_REGNUM.
1804         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
1805         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
1806         peephole2 pattern): Don't use INTR or 131.
1807         (movintrcc): Delete.
1808         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
1809         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
1810         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
1811         (UNSPEC_SET_INTR): Add.
1812         * config/spu/spu-modes.def (INTR): Remove.
1813
1814         More accurate warnings about run-time relocations.
1815         * config/spu/spu.c (reloc_diagnostic): Test in_section.
1816
1817         Correctly warn about immediate arguments to specific intrinsics.
1818         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
1819         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
1820         the instruction predicate.
1821
1822         Fix tree check errors with latest update.
1823         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
1824         CALL_EXPR_ARG.
1825         (spu_expand_builtin): Use CALL_EXPR_FN.
1826
1827         Add missing specific intrinsics.
1828         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
1829         si_bislede.
1830         * config/spu/spu_internals.h: Ditto.
1831
1832         Fix incorrect operand modifiers.
1833         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
1834         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
1835
1836         Optimize one case of zero_extend of a vec_select.
1837         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
1838
1839         Accept any immediate for hbr.
1840         * config/spu/spu.md (hbr):  Change s constraints to i.
1841
1842 2007-02-21  Paul Brook  <paul@codesourcery.com>
1843
1844         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
1845         condexec_count when skipping USE and CLOBBER.
1846
1847 2007-02-21  Nick Clifton  <nickc@redhat.com>
1848
1849         * common.opt (Warray-bounds): Add Warning attribute.
1850         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
1851         Likewise.
1852         (fsized-zeroes): Add Optimization attribute.
1853         (fsplit-wide-types, ftree-scev-cprop): Likewise.
1854         * c.opt (Wc++0x-compat): Add Warning attribute.
1855
1856 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
1857
1858         PR middle-end/30761
1859         * reload1.c (eliminate_regs_in_insn): In the single_set special
1860         case, attempt to re-recognize the insn before falling back to
1861         having reload fix it up.
1862
1863 2007-02-20  Eric Christopher  <echristo@gmail.com>
1864
1865         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
1866         Rewrite accordingly.
1867         (frv_read_iacc_argument): Ditto.
1868         (frv_expand_set_builtin): Take a call instead of arglist, update for
1869         above changes.
1870         (frv_expand_unop_builtin): Ditto.
1871         (frv_expand_binop_builtin): Ditto.
1872         (frv_expand_cut_builtin): Ditto.
1873         (frv_expand_binopimm_builtin): Ditto.
1874         (frv_expand_voidbinop_builtin): Ditto.
1875         (frv_expand_int_void2arg): Ditto.
1876         (frv_expand_prefetches): Ditto.
1877         (frv_expand_voidtriop_builtin): Ditto.
1878         (frv_expand_voidaccop_builtin): Ditto.
1879         (frv_expand_load_builtin): Ditto.
1880         (frv_expand_store_builtin): Ditto.
1881         (frv_expand_mdpackh_builtin): Ditto.
1882         (frv_expand_mclracc_builtin): Ditto.
1883         (frv_expand_mrdacc_builtin): Ditto.
1884         (frv_expand_mwtacc_builtin): Ditto.
1885         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
1886         calls for above.
1887
1888 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
1889
1890         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
1891         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
1892         cmpb instruction.
1893         (HAVE_GAS_DFP): Check for assembler support of decimal floating
1894         point instructions.
1895         * configure: Regenerate.
1896         * config.in: Regenerate.
1897         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
1898         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
1899         masks to power6 and power6x and to POWERPC_MASKS.
1900         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1901         _ARCH_PWR6.
1902         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
1903         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
1904         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
1905         Access PROTOTYPE as variable, not mask.
1906
1907 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
1908
1909         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
1910         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
1911         * combine.c (adjust_for_new_dest): Use it.
1912         * postreload.c (reload_combine): Likewise.
1913
1914 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
1915
1916         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
1917         notes on an insn with multiple sets, even if single_set returns
1918         non-NULL for that insn.
1919
1920 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1921
1922         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
1923         scalbn and scalbln.
1924
1925 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
1926
1927         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
1928         if user didn't pass it.
1929         * config/i386/darwin.h (CC1_SPEC): Likewise.
1930         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
1931         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
1932         -mmacosx-version-min.
1933
1934 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1935             Uros Bizjak  <ubizjak@gmail.com>
1936
1937         * optabs.h (enum optab_index): Add new OTI_scalb.
1938         (scalb_optab): Define corresponding macro.
1939         * optabs.c (init_optabs): Initialize scalb_optab.
1940         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
1941         patterns.
1942         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
1943         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
1944         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
1945         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
1946         flag_unsafe_math_optimizations is set.
1947
1948         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
1949         to implement scalbf, scalb and scalbl built-ins as inline x87
1950         intrinsics.
1951
1952 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1953             DJ Delorie <dj@redhat.com>
1954
1955         PR other/30824
1956         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
1957         (diagnostic_report_diagnostic): ... here, and turn them into real
1958         errors. If warnings are inhibited, no need to do anything.
1959
1960 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
1961
1962         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
1963         better code generation.
1964
1965 2007-02-20  Ben Elliston  <bje@au.ibm.com>
1966
1967         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
1968
1969 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
1970
1971         * config/alpha/alpha.c, config/alpha/alpha.md,
1972         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
1973         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
1974         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
1975         config/arm/lib1funcs.asm: Follow spelling conventions.
1976
1977         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
1978         config/fr30/fr30.md, config/i386/i386.h,
1979         config/iq2000/iq2000.h, config/iq2000/predicates.md,
1980         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
1981         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
1982         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
1983         config/rs6000/altivec.md, config/rs6000/rs6000.c,
1984         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
1985         config/sparc/sparc.c, config/sparc/sparc.h,
1986         config/sparc/sparc.md, config/spu/constraints.md,
1987         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
1988         conventions.
1989
1990 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
1991
1992         PR target/29943
1993         * varasm.c (use_blocks_for_decl_p): Return false for decls with
1994         alias attribute.
1995
1996 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
1997
1998         * doc/invoke.texi (-ftree-lrs): Remove.
1999
2000 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
2001
2002         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
2003         NULL.
2004
2005 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
2006
2007         * config/ia64/ia64.c (ia64_expand_builtin): Use the
2008         new CALL_EXPR_FN macro for retrieving the function
2009         declaration of the input expression.
2010
2011 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2012
2013         * c.opt (Waddress): New.
2014         * common.opt (Walways-true): Delete.
2015         (Wstring-literal-comparison): Delete.
2016         * doc/invoke.texi (Warning Options): Delete -Walways-true and
2017         -Wstring-literal-comparison. Add -Waddress.
2018         (Waddress): New.
2019         (Walways-true): Delete.
2020         (Wstring-literal-comparison): Delete.
2021         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
2022         consistently instead of -Walways-true in example.
2023         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
2024         * c-typeck.c (parser_build_binary_op): Replace
2025         -Wstring-literal-comparison and -Walways-true with -Waddress.
2026         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
2027         with -Waddress.
2028
2029 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
2030
2031         * tree-cfg.c (dump_function_to_file): Be prepared for functions
2032         without DECL_STRUCT_FUNCTION initialized.
2033
2034 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
2035
2036         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
2037         due to calls to functions taking pointers as parameters.
2038
2039 2007-02-19  Richard Henderson  <rth@redhat.com>
2040
2041         PR debug/29558
2042         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
2043         in memory.
2044
2045 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2046
2047         * config/s390/s390.c (s390_call_saved_register_used,
2048         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
2049         accessed to the new scheme.
2050
2051 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
2052
2053         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
2054         (cris_print_index, cris_print_operand, cris_print_operand_address)
2055         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
2056         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
2057         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
2058         GET_CODE () == xxx.
2059         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
2060         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
2061         GO_IF_LEGITIMATE_ADDRESS): Ditto.
2062         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
2063         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
2064         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
2065         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
2066         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
2067         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
2068         (uminsi3, call, call_value): Ditto.
2069         (define_split: indir_to_reg_split, unnamed): Ditto.
2070
2071 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
2072
2073         PR tree-optimization/30975
2074         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
2075         wrong assert.
2076
2077 2007-02-18  Eric Christopher  <echristo@gmail.com>
2078
2079         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
2080         Remove use of arglist.
2081         (mips_expand_builtin): Remove use of arglist, pass in expr.
2082         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
2083         (mips_expand_builtin_movtf): Ditto.
2084         (mips_expand_builtin_compare): Ditto.
2085
2086 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
2087
2088         * tree-sra.c (sra_build_assignment): Replace assertion
2089         checking with a comment explaining why it can't be done.
2090
2091 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
2092
2093         PR middle-end/30833
2094         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
2095         during CALL_EXPR representation conversion.
2096         * tree-ssa-propagate.c (set_rhs): Likewise.
2097
2098 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
2099
2100         * tree-sra.c (sra_build_assignment): Disable assertion checking
2101         for now.
2102
2103 2007-02-18  Roger Sayle  <roger@eyesopen.com>
2104
2105         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
2106         instead of calling build2 with a GIMPLE_MODIFY_STMT.
2107         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
2108         Likewise.
2109         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
2110         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
2111         gimplify_init_ctor_eval_range, gimple_push_cleanup,
2112         gimplify_omp_for, gimplify_omp_atomic_pipeline,
2113         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
2114         force_gimple_operand): Likewise.
2115         * ipa-cp.c (constant_val_insert): Likewise.
2116         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2117         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
2118         perfect_nestify): Likewise.
2119         * langhooks.c (lhd_omp_assignment): Likewise.
2120         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
2121         lower_copyprivate_clauses, lower_send_clauses,
2122         lower_send_shared_vars, expand_parallel_call,
2123         expand_omp_for_generic, expand_omp_for_static_nochunk,
2124         expand_omp_for_static_chunk, expand_omp_sections,
2125         lower_omp_single_copy, lower_omp_for_lastprivate,
2126         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
2127         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
2128         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
2129         Likewise.
2130
2131 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
2132
2133         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
2134         config/sh/sh.md: Follow spelling conventions.
2135
2136         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
2137         config/frv/predicates.md: Follow spelling conventions.
2138
2139         * config/m68k/linux-unwind.h: Fix a comment typo.
2140         * target.h: Follow spelling conventions.
2141
2142 2007-02-18  Roger Sayle  <roger@eyesopen.com>
2143
2144         PR rtl-optimization/28173
2145         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
2146         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
2147         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
2148         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
2149         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
2150
2151 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2152
2153         * builtins.c (fold_builtin_load_exponent): New.
2154         (fold_builtin_2): Use it.
2155
2156 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
2157
2158         PR rtl-optimization/30773
2159         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
2160         if we fail to attach a REG_EQUIV note.
2161
2162 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
2163             Roger Sayle  <roger@eyesopen.com>
2164
2165         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
2166
2167 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
2168
2169         * calls.c (initialize_argument_information): Pass original EXP
2170         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
2171         code to split complex arguments here, as part of initializing the
2172         ARGS array.
2173         (expand_call): Remove code that builds a list of arguments and
2174         inserts implicit arguments into it.  Instead, just count how many
2175         implicit arguments there will be so we can determine the size of
2176         the ARGS array, and let initialize_argument_information do the work.
2177         (split_complex_values): Delete unused function.
2178
2179 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
2180
2181         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
2182
2183 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
2184
2185         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
2186         for arg pointer based indexed addressing.
2187
2188 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
2189
2190         * config/ia64/ia64.h, config/ia64/ia64.md,
2191         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
2192         spelling conventions.
2193
2194 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
2195
2196         * config/m68k/m68k.c (split_di): New.
2197         * config/m68k/m68k-protos.h: Declare split_di.
2198         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
2199           Improve predicate handling and split constant shifts.
2200
2201 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
2202
2203         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
2204         parameter for register bitfield operations, general predicates
2205         cleanup
2206
2207 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
2208
2209         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
2210         * config/m68k/linux-unwind.h: New file.
2211
2212 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
2213
2214         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
2215         config/i386/athlon.md, config/ia64/ia64.md,
2216         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
2217         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
2218         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
2219         tree-ssa-loop-niter.c, tree-vect-analyze.c,
2220         tree-vect-transform.c: Fix comment typos.
2221
2222 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
2223
2224         * sched-deps.c (find_insn_list): Remove.
2225         * sched-int.h: Remove the prototype for find_insn_list.
2226
2227 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
2228
2229         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
2230         to linker.
2231         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
2232         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
2233         darwin_rs6000_override_options.
2234         (C_COMMON_OVERRIDE_OPTIONS): Expect
2235         darwin_macosx_version_min to be non-NULL always.
2236         (TARGET_C99_FUNCTIONS): Likewise.
2237         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
2238         (DARWIN_MINVERSION_SPEC): New.
2239         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
2240         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
2241         to cc1*.
2242         (DARWIN_MINVERSION_SPEC): New.
2243         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
2244         value.
2245         * config/darwin-c.c (darwin_cpp_builtins): Expect
2246         darwin_macosx_version_min to be non-NULL always.
2247
2248         * config/rs6000/rs6000.c: Clean up trailing whitespace.
2249
2250 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
2251
2252         * config/i386/i386.h (x86_use_xchgb): New.
2253         (TARGET_USE_XCHGB): New macro.
2254         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
2255         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
2256         Split after reload into bswaphi for shifts of 8.
2257         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
2258         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
2259         or when optimizing for size.
2260
2261 2007-02-16  Richard Guenther  <rguenther@suse.de>
2262             Christian Bruel  <christian.bruel@st.com>
2263
2264         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
2265         DECLs but prefer SSA_NAMEs over DECLs.
2266
2267 2007-02-16  Richard Guenther  <rguenther@suse.de>
2268
2269         * tree-flow-inline.h (single_imm_use_p): Remove.
2270         (zero_imm_uses_p): Likewise.
2271         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
2272         instead of single_imm_use_p.
2273         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
2274         zero_imm_uses_p.
2275
2276 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2277
2278         PR other/27843
2279         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
2280         nested double- and backquotes.
2281
2282 2007-02-15  Roger Sayle  <roger@eyesopen.com>
2283
2284         PR middle-end/30391
2285         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
2286         should be unreachable.
2287         (build2_stat): Allow construction of MODIFY_EXPR at any time.
2288         For the time being redirect GIMPLE_MODIFY_STMT to the new
2289         (renamed) build_gimple_modify_stmt_stat.
2290         (build2_gimple_stat): Rename to...
2291         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
2292         Always build a GIMPLE_MODIFY_STMT node.
2293         * tree.h (build2_gimple, build2_gimple_stat): Delete.
2294         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
2295         declarations.
2296
2297         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
2298         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
2299         * tree-complex.c (set_component_ssa_name, expand_complex_move,
2300         expand_complex_div_wide): Likewise.
2301         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
2302         * tree-ssa-loop-im.c (schedule_sm): Likewise.
2303         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
2304         * tree-ssa-loop-manip.c (create_iv): Likewise.
2305         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
2306         abs_replacement): Likewise.
2307         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
2308         realify_fake_stores): Likewise.
2309
2310         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
2311         node rather than a GIMPLE_MODIFY_STMT node.
2312         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
2313         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
2314         Likewise.
2315         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
2316         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
2317         GIMPLE_MODIFY_STMT.
2318
2319 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2320
2321         PR middle-end/30433
2322         * fold-const.c (fold_comparison): Add back the
2323         folding of constant complex comparisions.
2324
2325 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2326
2327         PR middle-end/30729
2328         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
2329         effects unknown to this function, return early.
2330
2331 2007-02-15  Ian Lance Taylor  <iant@google.com>
2332
2333         * lower-subreg.c (move_eh_region_note): New static function.
2334         (resolve_simple_move): Call it.
2335         (decompose_multiword_subregs): Track blocks for which we resolve a
2336         simple move which is also a control flow insn.  Pass them to
2337         find_many_sub_basic_blocks.
2338         (pass_lower_subreg): Add TODO_verify_flow.
2339         (pass_lower_subreg2): Likewise.
2340
2341 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2342             Brooks Moses  <brooks.moses@codesourcery.com>
2343             Lee Millward  <lee.millward@codesourcery.com>
2344
2345         * tree.h (enum tree_code_class): Add tcc_vl_exp.
2346         (VL_EXP_CLASS_P): New.
2347         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
2348         TREE_CODE_LENGTH.
2349         (TREE_OPERAND_CHECK_CODE): Likewise.
2350         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
2351         (TREE_RTL_OPERAND_CHECK): Likewise.
2352         (tree_operand_check_failed): Make second parameter the whole tree
2353         instead of its code.  Fixed callers.
2354         (VL_EXP_CHECK): New.
2355         (TREE_OPERAND_LENGTH): New.
2356         (VL_EXP_OPERAND_LENGTH): New.
2357         (CALL_EXPR_FN): New.
2358         (CALL_EXPR_STATIC_CHAIN): New.
2359         (CALL_EXPR_ARGS): New.
2360         (CALL_EXPR_ARG): New.
2361         (call_expr_nargs): New.
2362         (CALL_EXPR_ARGP): New.
2363         (build_nt_call_list): Declare.
2364         (build_vl_exp_stat): Declare.
2365         (build_vl_exp): New.
2366         (build_call_list): Declare.
2367         (build_call_nary): Declare.
2368         (build_call_valist): Declare.
2369         (build_call_array): Declare.
2370         (call_expr_arg): Declare.
2371         (call_expr_argp): Declare.
2372         (call_expr_arglist): Declare.
2373         (fold_build_call_list): Declare.
2374         (fold_build_call_list_initializer): Declare.
2375         (fold_call_expr): Declare to replace fold_builtin.
2376         (fold_builtin_fputs): Update to agree with modified definition.
2377         (fold_builtin_strcpy): Likewise.
2378         (fold_builtin_strncpy): Likewise.
2379         (fold_builtin_memory_chk): Likewise.
2380         (fold_builtin_stxcpy_chk): Likewise.
2381         (fold_builtin_strncpy_chk): Likewise.
2382         (fold_builtin_next_arg): Likewise.
2383         (fold_build_call_expr): Declare.
2384         (fold_builtin_call_list): Declare.
2385         (fold_builtin_call_valist): Declare.
2386         (build_call_expr): Declare.
2387         (validate_arglist): Update to agree with modified definition.
2388         (tree_operand_length): New.
2389         (call_expr_arg_iterator): New.
2390         (init_call_expr_arg_iterator): New.
2391         (next_call_expr_arg): New.
2392         (first_call_expr_arg): New.
2393         (more_call_expr_args_p): New.
2394         (FOR_EACH_CALL_EXPR_ARG): New.
2395
2396         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
2397         and tcc_gimple_stmt.
2398         (tree_code_size): Update documentation.  Use sizeof (tree) rather
2399         than sizeof (char *).
2400         (tree_size): Likewise.  Add case for tcc_vl_exp.
2401         (tree_node_structure): Add case for tcc_vl_exp.
2402         (contains_placeholder_p): Likewise.
2403         (substitute_in_expr): Likewise.
2404         (substitute_placeholder_in_expr): Likewise.
2405         (stabilize_reference_1): Likewise.
2406         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
2407         to diagnose breakage of this interface for constructing CALL_EXPRs.
2408         (build_nt): Add similar assertion here.
2409         (build_nt_call_list): New.
2410         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
2411         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
2412         TREE_CODE_LENGTH.
2413         (get_callee_fndecl): Use new CALL_EXPR accessors.
2414         (tree_operand_check_failed): Change parameters to pass entire node
2415         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
2416         (process_call_operands): New.
2417         (build_vl_exp_stat): New.
2418         (build_call_list): New.
2419         (build_call_nary): New.
2420         (build_call_valist): New.
2421         (build_call_array): New.
2422         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2423         (call_expr_arglist): New.
2424
2425         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
2426         tcc_vl_exp instead of a fixed-size tcc_expression.
2427
2428         * doc/c-tree.texi (CALL_EXPR): Document new representation and
2429         accessors for CALL_EXPRs.
2430         (AGGR_INIT_EXPR): Likewise.
2431
2432 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2433             Brooks Moses  <brooks.moses@codesourcery.com>
2434             Lee Millward  <lee.millward@codesourcery.com>
2435
2436         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
2437         (expand_builtin_nonlocal_goto): Change parameter to be entire
2438         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
2439         (expand_builtin_prefetch): Likewise.
2440         (expand_builtin_classify_type): Likewise.
2441         (mathfn_built_in): Return NULL_TREE instead of 0.
2442         (expand_errno_check): Use new CALL_EXPR accessors.
2443         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
2444         Return NULL_RTX instead of 0.
2445         (expand_builtin_mathfn_2): Likewise.
2446         (expand_builtin_mathfn_3): Likewise.
2447         (expand_builtin_interclass_mathfn): Likewise.
2448         (expand_builtin_sincos): Likewise.
2449         (expand_builtin_cexpi): Likewise.
2450         (expand_builtin_int_roundingfn): Likewise.
2451         (expand_builtin_int_roundingfn_2): Likewise.
2452         (expand_builtin_pow): Likewise.
2453         (expand_builtin_powi): Likewise.
2454         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
2455         of arglist, fixing callers appropriately.  Use new CALL_EXPR
2456         accessors and constructors.  Return NULL_RTX instead of 0.
2457         (expand_builtin_strstr): Likewise.
2458         (expand_builtin_strchr): Likewise.
2459         (expand_builtin_strrchr): Likewise.
2460         (expand_builtin_strpbrk): Likewise.
2461         (expand_builtin_memcpy): Likewise.
2462         (expand_builtin_mempcpy): Likewise.
2463         (expand_builtin_mempcpy_args): New.
2464         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
2465         (expand_builtin_memmove_args): New.
2466         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
2467         (expand_movstr): Likewise.
2468         (expand_builtin_strcpy): Likewise.
2469         (expand_builtin_strcpy_args): New.
2470         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
2471         (expand_builtin_strncpy): Likewise.
2472         (expand_builtin_memset): Likewise.
2473         (expand_builtin_memset_args): New.
2474         (expand_builtin_bzero): Similarly to expand_builtin_memset.
2475         (expand_builtin_memcmp): Likewise.
2476         (expand_builtin_strcmp): Likewise.
2477         (expand_builtin_strncmp): Likewise.
2478         (expand_builtin_strcat): Likewise.
2479         (expand_builtin_strncat): Likewise.
2480         (expand_builtin_strspn): Likewise.
2481         (expand_builtin_strcspn): Likewise.
2482         (expand_builtin_args_info): Likewise.
2483         (expand_builtin_va_start): Likewise.
2484         (gimplify_va_arg_expr): Likewise.
2485         (expand_builtin_va_end): Likewise.
2486         (expand_builtin_va_copy): Likewise.
2487         (expand_builtin_frame_address): Likewise.
2488         (expand_builtin_alloca): Likewise.
2489         (expand_builtin_bswap): Likewise.
2490         (expand_builtin_unop): Likewise.
2491         (expand_builtin_fputs): Likewise.
2492         (expand_builtin_expect): Likewise.
2493         (expand_builtin_fabs): Likewise.
2494         (expand_builtin_copysign): Likewise.
2495         (expand_builtin_printf): Likewise.
2496         (expand_builtin_fprintf): Likewise.
2497         (expand_builtin_sprintf): Likewise.
2498         (expand_builtin_init_trampoline): Likewise.
2499         (expand_builtin_signbit): Likewise.
2500         (expand_builtin_fork_or_exec): Likewise.
2501         (expand_builtin_sync_operation): Likewise.
2502         (expand_builtin_compare_and_swap): Likewise.
2503         (expand_builtin_lock_test_and_set): Likewise.
2504         (expand_builtin_lock_release): Likewise.
2505         (expand_builtin): Likewise.
2506         (builtin_mathfn_code): Likewise.
2507
2508         (fold_builtin_constant_p): Pass call arguments individually instead
2509         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
2510         accessors and constructors.  Return NULL_TREE instead of 0.
2511         (fold_builtin_expect): Likewise.
2512         (fold_builtin_classify_type): Likewise.
2513         (fold_builtin_strlen): Likewise.
2514         (fold_builtin_nan): Likewise.
2515         (integer_valued_real_p): Likewise.
2516         (fold_trunc_transparent_mathfn): Likewise.
2517         (fold_fixed_mathfn): Likewise.
2518         (fold_builtin_cabs): Likewise.
2519         (fold_builtin_sqrt): Likewise.
2520         (fold_builtin_cbrt): Likewise.
2521         (fold_builtin_cos): Likewise.
2522         (fold_builtin_cosh): Likewise.
2523         (fold_builtin_tan): Likewise.
2524         (fold_builtin_sincos): Likewise.
2525         (fold_builtin_cexp): Likewise.
2526         (fold_builtin_trunc): Likewise.
2527         (fold_builtin_floor): Likewise.
2528         (fold_builtin_ceil): Likewise.
2529         (fold_builtin_round): Likewise.
2530         (fold_builtin_int_roundingfn): Likewise.
2531         (fold_builtin_bitop): Likewise.
2532         (fold_builtin_bswap): Likewise.
2533         (fold_builtin_logarithm): Likewise.
2534         (fold_builtin_hypot): Likewise.
2535         (fold_builtin_pow): Likewise.
2536         (fold_builtin_powi): Likewise.
2537         (fold_builtin_exponent): Likewise.
2538         (fold_builtin_memset): Likewise.
2539         (fold_builtin_bzero): Likewise.
2540         (fold_builtin_memory_op): Likewise.
2541         (fold_builtin_bcopy): Deleted; call site changed to invoke
2542         fold_builtin_memory_op directly.
2543         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
2544         (fold_builtin_strncpy): Likewise.
2545         (fold_builtin_memcmp): Likewise.
2546         (fold_builtin_strcmp): Likewise.
2547         (fold_builtin_strncmp): Likewise.
2548         (fold_builtin_signbit): Likewise.
2549         (fold_builtin_copysign): Likewise.
2550         (fold_builtin_isascii): Likewise.
2551         (fold_builtin_toascii): Likewise.
2552         (fold_builtin_isdigit): Likewise.
2553         (fold_builtin_fabs): Likewise.
2554         (fold_builtin_abs): Likewise.
2555         (fold_builtin_fmin_fmax): Likewise.
2556         (fold_builtin_carg): Likewise.
2557         (fold_builtin_classify): Likewise.
2558         (fold_builtin_unordered_cmp): Likewise.
2559
2560         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
2561         New functions split out from fold_builtin_1.
2562         (fold_builtin_n): New.
2563         (fold_builtin_varargs): New.
2564         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
2565         instead.
2566         (fold_call_expr): New.
2567         (build_function_call_expr): Rewrite to use new helper function.
2568         (fold_builtin_call_list): New.
2569         (build_call_expr): New.
2570         (fold_builtin_call_valist): New.
2571         (rewrite_call_expr): New.
2572         (validate_arg): New.
2573         (validate_arglist): Change parameter to be entire CALL_EXPR instead
2574         of an arglist.  Change return type to bool.  Use new CALL_EXPR
2575         accessors.
2576
2577         (fold_builtin_strstr):  Pass call arguments individually instead
2578         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
2579         accessors and constructors.  Return NULL_TREE instead of 0.
2580         (fold_builtin_strchr): Likewise.
2581         (fold_builtin_strrchr): Likewise.
2582         (fold_builtin_strpbrk): Likewise.
2583         (fold_builtin_strcat): Likewise.
2584         (fold_builtin_strncat): Likewise.
2585         (fold_builtin_strspn): Likewise.
2586         (fold_builtin_strcspn): Likewise.
2587         (fold_builtin_fputs): Likewise.
2588         (fold_builtin_next_arg): Likewise.
2589         (fold_builtin_sprintf): Likewise.
2590
2591         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
2592         NULL_RTX instead of 0.
2593         (expand_builtin_memory_chk): Likewise.
2594         (maybe_emit_chk_warning): Likewise.
2595         (maybe_emit_sprintf_chk_warning): Likewise.
2596
2597         (fold_builtin_object_size): Pass call arguments individually instead
2598         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
2599         accessors and constructors.  Return NULL_TREE instead of 0.
2600         (fold_builtin_memory_chk): Likewise.
2601         (fold_builtin_stxcpy_chk): Likewise.
2602         (fold_builtin_strncpy_chk): Likewise.
2603         (fold_builtin_strcat_chk): Likewise.
2604         (fold_builtin_strcat_chk): Likewise.
2605         (fold_builtin_strncat_chk): Likewise.
2606         (fold_builtin_sprintf_chk): Likewise.
2607         (fold_builtin_snprintf_chk): Likewise.
2608         (fold_builtin_printf): Likewise.
2609         (fold_builtin_vprintf): Likewise.
2610
2611         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
2612         constructors.
2613         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
2614         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2615         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
2616         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
2617         (fold_unary): Likewise.
2618         (fold_binary): Likewise.
2619         (fold_ternary): Remove CALL_EXPR case, since they are no longer
2620         ternary expressions.
2621         (fold): Add logic for tcc_vl_exp.
2622         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
2623         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2624         (fold_build3_stat): Add assertion to flag broken interface for
2625         constructing CALL_EXPRs.
2626         (fold_build_call_list): New.
2627         (fold_build_call_list_initializer): New.
2628         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
2629         constructors.
2630         (fold_strip_sign_ops): Likewise.
2631
2632 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2633             Brooks Moses  <brooks.moses@codesourcery.com>
2634             Lee Millward  <lee.millward@codesourcery.com>
2635
2636         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
2637         accessors and dump arguments explicitly.
2638
2639         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
2640         TREE_CODE_LENGTH.
2641         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
2642         explicitly.
2643         (print_call_name): Use new CALL_EXPR accessors.
2644
2645         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
2646         CALL_EXPR arguments explicitly instead of as a list.  Use
2647         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2648
2649         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
2650         (vrp_visit_stmt): Likewise.
2651
2652         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
2653         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
2654         TREE_CODE_LENGTH.
2655         (force_move_till_expr): Likewise.
2656
2657         * targhooks.c (default_external_stack_protect_fail): Use
2658         build_call_expr instead of build_function_call_expr.
2659         (default_hidden_stack_protect_fail): Likewise.
2660
2661         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
2662         build the call.
2663
2664         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
2665         and walk arguments explicitly.
2666
2667         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
2668         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2669         (expand_simple_operations): Likewise.
2670         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
2671
2672         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
2673         of TREE_CODE_LENGTH.
2674         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
2675
2676         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
2677         instead of TREE_CODE_LENGTH.
2678
2679         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
2680         (tree_ic_transform): Likewise.
2681         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
2682         parameter instead of arglist.  Fix callers.
2683         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
2684         (tree_stringops_transform): Likewise.
2685         (tree_indirect_call_to_profile): Likewise.
2686         (tree_stringops_values_to_profile): Likewise.
2687
2688         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
2689         (eliminate_tail_call): Likewise.
2690
2691         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
2692
2693         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
2694         Use TREE_OPERAND_LENGTH and generalize to handle any number of
2695         operands.
2696         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
2697
2698         * omp-low.c (build_omp_barrier): Use build_call_expr.
2699         (lower_rec_input_clauses): Likewise.
2700         (lower_reduction_clauses): Likewise.
2701         (expand_parallel_call): Likewise.
2702         (maybe_catch_exception): Likewise.
2703         (expand_omp_for_generic): Likewise.
2704         (expand_omp_for_static_nochunk): Likewise.
2705         (expand_omp_sections): Likewise.
2706         (lower_omp_single_simple): Likewise.
2707         (lower_omp_single_copy): Likewise.
2708         (lower_omp_master): Likewise.
2709         (lower_omp_ordered): Likewise.
2710         (lower_omp_critical): Likewise.
2711
2712         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
2713         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
2714
2715         * tree-gimple.c (is_gimple_call_addr): Fix doc.
2716         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
2717         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
2718
2719         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
2720         and generalize to handle any number of operands.
2721         (chrec_contains_undetermined): Likewise.
2722         (tree_contains_chrecs): Likewise.
2723         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
2724
2725         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
2726
2727         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
2728         fold_call_expr instead of fold_builtin.
2729         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
2730         match declarations there.
2731         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
2732         updates.
2733
2734         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
2735         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2736
2737         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
2738         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
2739
2740         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
2741         accessors.
2742
2743         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
2744         (execute_cse_sincos): Use new CALL_EXPR accessors.
2745
2746         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
2747
2748         * gimple-low.c (lower_function_body): Use build_call_expr.
2749         (lower_builtin_setjmp): Likewise.
2750
2751         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
2752         (set_storage_via_libcall): Likewise.
2753         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
2754         instead of TREE_CODE_LENGTH.
2755         (expand_expr_real_1): Use new CALL_EXPR accessors.
2756
2757         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
2758         generalize to handle any number of operands.
2759         (TB_parent_eq): Likewise.
2760
2761         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
2762         (strip_builtin_expect): Likewise.
2763
2764         * function.c (gimplify_parameters): Use build_call_expr.
2765
2766         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
2767         instead of TREE_CODE_LENGTH.
2768
2769         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
2770         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
2771
2772         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
2773         iterators.
2774
2775         * gimplify.c (build_stack_save_restore): Use build_call_expr.
2776         (gimplify_decl_expr): Likewise.
2777         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
2778         Use new CALL_EXPR iterators.
2779         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
2780         (gimplify_modify_expr_to_memset): Likewise.
2781         (gimplify_variable_sized_compare): Likewise.
2782         (gimplify_omp_atomic_fetch_op): Likewise.
2783         (gimplify_omp_atomic_pipeline): Likewise.
2784         (gimplify_omp_atomic_mutex): Likewise.
2785         (gimplify_function_tree): Likewise.
2786
2787         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
2788         (call_expr_flags): Likewise.
2789         (expand_call): Likewise.
2790
2791         * except.c (expand_builtin_eh_return_data_regno): Pass entire
2792         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
2793         accessors.
2794
2795         * coverage.c (create_coverage): Use build_call_expr.
2796
2797         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
2798         (temp_call_expr_obstack): New.
2799         (pool_copy_list): Delete.
2800         (temp_copy_call_expr): New.
2801         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
2802         CALL_EXPR accessors.  Get rid of special goo for copying argument
2803         lists and use temp_copy_call_expr instead.
2804         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
2805         CALL_EXPR accessors.
2806         (create_expression_by_pieces): Likewise.  Use build_call_array
2807         to construct the result instead of fold_build3.
2808         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
2809         dealing with argument lists.
2810         (init_pre): Remove references to expression_node_pool and
2811         list_node_pool.  Init temp_call_expr_obstack instead.
2812         (fini_pre): Remove references to expression_node_pool and
2813         list_node_pool.
2814
2815         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
2816         and walk arguments explicitly instead of as a list.
2817
2818         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
2819         (mx_register_decls): Likewise.
2820         (mudflap_register_call): Likewise.
2821         (mudflap_finish_file): Likewise.
2822
2823         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
2824         (ipa_callsite_compute_param): Likewise.
2825
2826         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
2827         accessors and constructor.
2828
2829         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
2830         accessors and constructor.
2831         (convert_tramp_reference): Likewise.
2832         (convert_call_expr): Likewise.
2833         (finalize_nesting_tree_1): Likewise.
2834
2835         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
2836         accessors.
2837
2838         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
2839
2840         * tree-inline.c (initialize_inlined_parameters): Pass entire
2841         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
2842         accessors.
2843         (estimate_num_insns_1): Use new CALL_EXPR accessors.
2844         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
2845
2846         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
2847         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2848         (vectorizable_reduction): Likewise.
2849         (vectorizable_call): Use new CALL_EXPR iterators.
2850         (vectorizable_conversion): Use build_call_expr.
2851         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
2852         (vect_gen_widened_results_half): Use build_call_expr.
2853         (vect_setup_realignment): Likewise.
2854         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
2855
2856         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
2857         (pass_through_call): Likewise.
2858         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
2859         fold_builtin.
2860
2861         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
2862         (tree_gen_pow2_profiler): Likewise.
2863         (tree_gen_one_value_profiler): Likewise.
2864         (tree_gen_ic_func_profiler): Likewise.
2865         (tree_gen_average_profiler): Likewise.
2866         (tree_gen_ior_profiler): Likewise.
2867
2868         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
2869         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
2870         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2871
2872         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
2873         of TREE_CODE_LENGTH.
2874
2875         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
2876         of TREE_CODE_LENGTH.
2877
2878         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
2879         constructor.
2880         (convert_to_integer): Likewise.
2881
2882         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
2883         accessors.
2884
2885 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2886             Brooks Moses  <brooks.moses@codesourcery.com>
2887             Lee Millward  <lee.millward@codesourcery.com>
2888
2889         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
2890         accessors.
2891         * config/frv/frv.c (frv_expand_builtin): Likewise.
2892         * config/s390/s390.c (s390_expand_builtin): Likewise.
2893
2894         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
2895         (sparc_expand_builtin): Use new CALL_EXPR accessors.
2896
2897         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
2898         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
2899         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
2900         (ix86_expand_store_builtin): Likewise.
2901         (ix86_expand_unop_builtin): Likewise.
2902         (ix86_expand_unop1_builtin): Likewise.
2903         (ix86_expand_sse_compare): Likewise.
2904         (ix86_expand_sse_comi): Likewise.
2905         (ix86_expand_vec_init_builtin): Likewise.
2906         (ix86_expand_vec_ext_builtin): Likewise.
2907         (ix86_expand_vec_set_builtin): Likewise.
2908         (ix86_expand_builtin): Use new CALL_EXPR accessors.
2909
2910         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
2911         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
2912
2913         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
2914         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
2915         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
2916
2917         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
2918         build_call_expr.
2919         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
2920         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
2921         arglist.  Use new CALL_EXPR accessors.  Fix callers.
2922         (altivec_expand_abs_builtin): Likewise.
2923         (rs6000_expand_binop_builtin): Likewise.
2924         (altivec_expand_predicate_builtin): Likewise.
2925         (altivec_expand_lv_builtin): Likewise.
2926         (spe_expand_stv_builtin): Likewise.
2927         (altivec_expand_stv_builtin): Likewise.
2928         (rs6000_expand_ternop_builtin): Likewise.
2929         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
2930         (altivec_expand_st_builtin): Likewise.
2931         (altivec_expand_dst_builtin): Likewise.
2932         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
2933         arglist.  Use new CALL_EXPR accessors.  Fix callers.
2934         (altivec_expand_vec_set_builtin): Likewise.
2935         (altivec_expand_vec_ext_builtin): Likewise.
2936         (altivec_expand_builtin): Use new CALL_EXPR accessors.
2937         (spe_expand_builtin): Likewise.
2938         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
2939         arglist.  Use new CALL_EXPR accessors.  Fix callers.
2940         (spe_expand_evsel_builtin): Likewise.
2941         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
2942         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
2943
2944         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
2945         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
2946         (arm_expand_unop_builtin): Likewise.
2947         (arm_expand_builtin): Use new CALL_EXPR accessors.
2948
2949         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
2950         accessors.
2951
2952         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
2953         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
2954         (bfin_expand_unop_builtin): Likewise.
2955         (bfin_expand_builtin): Use new CALL_EXPR accessors.
2956
2957 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2958             Brooks Moses  <brooks.moses@codesourcery.com>
2959             Lee Millward  <lee.millward@codesourcery.com>
2960
2961         * c-semantics.c (build_stmt): Add internal diagnostic check.
2962
2963         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
2964         accessors.  Print arguments explicitly instead of as a list.
2965
2966         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
2967
2968         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
2969         (c_finish_omp_flish): Likewise.
2970
2971         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
2972         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
2973         instead of TREE_CODE_LENGTH.
2974         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
2975         (c_warn_unused_result): Likewise.
2976
2977 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2978
2979         PR c/26494
2980         * doc/invoke.texi (Warning Options): Remove
2981         -Werror-implicit-function-declaration.
2982         (Wimplicit-function-declaration): Update description.
2983         * opts.c (common_handle_option): Move handling of -Werror=* to...
2984         (enable_warning_as_error): ...here.
2985         * opts.h (enable_warning_as_error): Declare.
2986         * c-decl.c (implicit_decl_warning): Unless
2987         -Wno-implicit-function-declaration is given, emit a pedwarn if
2988         -std=c99 or emit a warning if -Wimplicit-function-declaration.
2989         * c.opt (Wimplicit-function-declaration): Replace
2990         mesg_implicit_function_declaration with
2991         warn_implicit_function_declaration.
2992         * c-opts.c (c_common_handle_option):
2993         -Werror-implicit-function-declaration is exactly equal as
2994         -Werror=implicit-function-declaration.
2995         (set_Wimplicit): Replace mesg_implicit_function_declaration with
2996         warn_implicit_function_declaration.
2997         (c_common_post_options): -Wimplict-function-declaration is enabled
2998         by default by -std=c99, otherwise is disabled by default.
2999         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
3000
3001 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
3002
3003         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
3004         DECL on the rhs to a DECL on the lhs for debug info purposes if the
3005         former is ignored but not the latter.
3006
3007 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
3008
3009         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
3010         is made and the reference doesn't use the alias set of its type,
3011         do not create the temporary using that type.
3012
3013 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
3014
3015         * jump.c: Remove prototypes for delete_computation and
3016         delete_prior_computation.
3017
3018 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
3019
3020         * jump.c (get_label_after): Delete.
3021         (get_label_before, delete_computation, delete_jump,
3022         delete_prior_computation, follow_jumps): Move...
3023         * reorg.c (delete_computation, delete_prior_computation): ... here...
3024         (get_label_before, delete_jump): ... making these static ...
3025         (follow_jumps): ... and simplifying this since it only runs after
3026         reload.
3027         * rtl.h (get_label_after, get_label_before, delete_jump,
3028         follow_jumps): Delete prototypes.
3029
3030 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
3031
3032         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
3033
3034 2007-02-15  Nick Clifton  <nickc@redhat.com>
3035
3036         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
3037         order to prevent it from being munged by the target.
3038
3039 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
3040
3041         * config/i386/i386.md: Remove misleading comment.
3042
3043 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
3044
3045         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
3046         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
3047         invalid patterns.
3048
3049 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
3050
3051         * tree-sra.c (instantiate_missing_elements): Canonicalize
3052         bit-field types.
3053         (sra_build_assignment): New.
3054         (generate_copy_inout, generate_element_copy,
3055         generate_element_zero, generate_one_element_init): Use it.
3056
3057 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
3058
3059         * tree-sra.c (instantiate_missing_elements): Canonicalize
3060         bit-field types.
3061         (sra_build_assignment): New.
3062         (generate_copy_inout, generate_element_copy,
3063         generate_element_zero, generate_one_element_init): Use it.
3064
3065 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
3066
3067         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
3068         limbo die nodes.
3069
3070 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
3071
3072         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
3073         types as aggregates not scalars.
3074         * function.c (assign_stack_temp_for_type): Likewise.
3075
3076 2007-02-14  Roger Sayle  <roger@eyesopen.com>
3077             Zdenek Dvorak  <dvorakz@suse.cz>
3078
3079         * tree-dump.c (dump_switch_p_1): Require exact match of the option
3080         name.
3081
3082 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
3083
3084         * passes.c (next_pass_1): Clear the next field of the copied
3085         pass structure.
3086
3087 2007-02-14  Richard Henderson  <rth@redhat.com>
3088
3089         * tree-sra.c (early_sra): New.
3090         (decl_can_be_decomposed_p): Deny va_list if early_sra.
3091         (tree_sra_early, pass_sra_early): New.
3092         * tree-pass.h (pass_sra_early): Declare.
3093         * passes.c (init_optimization_passes): Use it.
3094
3095 2007-02-14  Richard Guenther  <rguenther@suse.de>
3096
3097         * flags.h (issue_strict_overflow_warning): Convert to a macro.
3098
3099 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
3100
3101          PR tree-optimization/30771
3102         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
3103         also phi nodes.
3104         (vect_analyze_operations): Induction phis can now be marked as
3105         used_in_loop.
3106         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
3107         Update documentation accordingly.
3108
3109 2007-02-14  Nick Clifton  <nickc@redhat.com>
3110
3111         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
3112         most 3 arguments are supported.
3113         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
3114
3115 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
3116
3117         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
3118         Ensure dst->current is valid.
3119
3120 2007-02-13  Paul Brook  <paul@codesourcery.com>
3121
3122         * config.gcc: Add arm*-*-uclinux-*eabi.
3123         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
3124         (SUBTARGET_EXTRA_LINK_SPEC): Define.
3125         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
3126         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
3127         (LINK_SPEC): Define.
3128         (LIB_SPEC): Define.
3129         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
3130         register.
3131         * config/arm/uclinux-eabi.h: New file.
3132         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
3133         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
3134         based targets.
3135
3136 2007-02-13  Ian Lance Taylor  <iant@google.com>
3137
3138         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
3139         * flags.h (warn_strict_overflow): Declare.
3140         (enum warn_strict_overflow_code): Define.
3141         (issue_strict_overflow_warning): New static inline function.
3142         * opts.c (warn_strict_overflow): New variable.
3143         (common_handle_option): Handle OPT_Wstrict_overflow and
3144         OPT_Wstrict_overflow_.
3145         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
3146         OPT_Wall.
3147         * fold-const.c: Include intl.h.
3148         (fold_deferring_overflow_warnings): New static variable.
3149         (fold_deferred_overflow_warning): New static variable.
3150         (fold_deferred_overflow_code): New static variable.
3151         (fold_defer_overflow_warnings): New function.
3152         (fold_undefer_overflow_warnings): New function.
3153         (fold_undefer_and_ignore_overflow_warnings): New function.
3154         (fold_deferring_overflow_warnings_p): New function.
3155         (fold_overflow_warning): New static function.
3156         (make_range): Add strict_overflow_p parameter.  Change all
3157         callers.
3158         (extract_muldiv, extract_muldiv_1): Likewise.
3159         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
3160         tree_expr_nonnegative_p.
3161         (fold_negate_expr): Call fold_overflow_warning.
3162         (fold_range_test): Likewise.
3163         (fold_comparison): Likewise.
3164         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
3165         instead of tree_expr_nonnegative_p.
3166         (tree_expr_nonnegative_warnv_p): Rename from
3167         tree_expr_nonnegative_p, add strict_overflow_p parameter.
3168         (tree_expr_nonnegative_p): New function.
3169         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
3170         strict_overflow_p parameter.
3171         (tree_expr_nonzero_p): New function.
3172         * passes.c (verify_interpass_invariants): New static function.
3173         (execute_one_pass): Call it.
3174         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
3175         warnings.
3176         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
3177         (estimate_numbers_of_iterations): Likewise.
3178         (scev_probably_wraps_p): Likewise.
3179         * tree-ssa-ccp.c: Include "toplev.h".
3180         (evaluate_stmt): Defer fold overflow warnings until we know we are
3181         going to optimize.
3182         (struct fold_stmt_r_data): Add stmt field.
3183         (fold_stmt_r): Defer fold overflow warnings until we know we
3184         optimized.
3185         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
3186         (fold_stmt_inplace): Likewise.
3187         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
3188         (cleanup_control_expr_graph): Defer fold overflow warnings until
3189         we know we are going to optimize.
3190         * tree-cfg.c (fold_cond_expr_cond): Likewise.
3191         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
3192         Likewise.
3193         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
3194         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
3195         * tree-ssa-loop-manip.c (create_iv): Likewise.
3196         * c-typeck.c (build_conditional_expr): Likewise.
3197         (build_binary_op): Likewise.
3198         * tree-vrp.c (vrp_expr_computes_nonzero): Call
3199         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
3200         (extract_range_from_unary_expr): Likewise.
3201         * simplify-rtx.c (simplify_const_relational_operation): Warn when
3202         assuming that signed overflow does not occur.
3203         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
3204         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
3205         (fold_defer_overflow_warnings): Declare.
3206         (fold_undefer_overflow_warnings): Declare.
3207         (fold_undefer_and_ignore_overflow_warnings): Declare.
3208         (fold_deferring_overflow_warnings_p): Declare.
3209         (tree_expr_nonzero_warnv_p): Declare.
3210         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
3211         of warning options.
3212         (Warning Options): Document -Wstrict-overflow.
3213         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
3214         (tree-ssa-ccp.o): Likewise.
3215         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
3216         (fold-const.o): Depend on intl.h.
3217
3218 2007-02-13  Ian Lance Taylor  <iant@google.com>
3219
3220         PR middle-end/30751
3221         * lower-subreg.c (resolve_simple_move): Decompose subregs in
3222         addresses.
3223
3224 2007-02-13  Stuart Hastings  <stuart@apple.com>
3225
3226         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
3227
3228 2007-02-13  Richard Henderson  <rth@redhat.com>
3229
3230         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
3231         handled_component_p before looking for the indirect_ref.
3232
3233 2007-02-13  Richard Henderson  <rth@redhat.com>
3234
3235         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
3236         remove flags clobber.
3237         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
3238         (bswaphi_lowpart): New.
3239         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
3240         remove TARGET_BSWAP test.  Delete expander of the same name.
3241
3242         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
3243         (expand_unop): Use them.
3244
3245 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
3246
3247         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
3248         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
3249         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
3250         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
3251         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
3252         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
3253         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
3254         assembler dialect choice from asm templates.
3255
3256 2007-02-12  Richard Henderson  <rth@redhat.com>
3257
3258         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
3259         (fixuns_trunc<SSEMODEF>si2): Use it.
3260         * config/i386/sse.md (vec_setv4sf_0): Export.
3261         * config/i386/i386.c (ix86_build_const_vector): Export.
3262         (ix86_split_convert_uns_si_sse): Rename from
3263         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
3264         * config/i386/i386-protos.h: Update.
3265
3266 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3267
3268         PR c/29521
3269         * c-typeck.c (c_finish_return): Improve warning message.
3270
3271 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3272
3273         * alias.c (find_symbolic_term): Delete unused function.
3274
3275 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
3276
3277         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
3278         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
3279         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
3280
3281 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
3282
3283         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
3284         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
3285         the function, temporarily point the debug interface to the null one.
3286
3287 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
3288
3289         * dwarf2out.c (round_up_to_align): New static function.
3290         (field_byte_offset): Use it to round the offset.
3291
3292 2007-02-12  Richard Henderson  <rth@redhat.com>
3293
3294         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
3295         (inswl_const): Export.
3296
3297 2007-02-12  Richard Henderson  <rth@redhat.com>
3298
3299         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
3300         result mode of the libcall, convert back to outmode.
3301
3302 2007-02-12  Roger Sayle  <roger@eyesopen.com>
3303
3304         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
3305         (bswapdi2): New define_expand to implement 32-bit implementation.
3306
3307 2007-02-12  Nick Clifton  <nickc@redhat.com>
3308
3309         * doc/invoke.texi (Overall Options): Document --help=.
3310         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
3311         (cc1_options): Pass --help= on to cc1.
3312         (display_help): Add description of --help=.
3313         (process_command): Add code to handle --help=.  Allow translated
3314         --help and --target-help switches to be passed on to compiler
3315         sub-process.
3316         (main): Remove unused if statement.
3317         * opts.c (columns): Remove.
3318         (LEFT_COLUMN): Define.
3319         (wrap_help): Add columns argument.
3320         (print_filtered_help): Change parameters to be an include bitmask,
3321         an exclude bitmask, an any bitmask and the column width.  Move the
3322         code to display the params list here.  Add code to display the
3323         status of options rather than their descriptions if the quiet flag
3324         is not active.
3325         (print_specific_help): Change parameters to be an include bitmask,
3326         an exclude bitmask and an any bitmask.  Move code to look up the
3327         column width here.  Decide upon the title for an options listing.
3328         (common_handle_options): Add code to handle --help=.  Adapt code
3329         for --help and --target-help to use the revised form of the
3330         print_specific_help function.
3331         (print_help): Delete.
3332         (print_param_help): Delete.
3333         (print_switch): Delete.
3334         * opts.h (cl_lang_count): Add prototype.
3335         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
3336         CL_MAX_OPTION_CLASS): New defines.
3337         * optc-gen.awk: Add construction of cl_lang_count.
3338         * c.opt: Add Warning attribute to warning options and Optimization
3339         attribute to optimization options.
3340         * common.opt: Likewise.
3341         Add --help=.
3342         Add -fhelp and -ftarget-help as aliases for the transformed --help
3343         and --target-help options.
3344         * opt-functions.awk: Add code to handle Warning and Optimization
3345         attributes.
3346
3347 2007-02-12  Richard Henderson  <rth@redhat.com>
3348
3349         * config/alpha/constraints.md: New file.
3350         * config/alpha/alpha.c: Include tm-constrs.h.
3351         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
3352         alpha_extra_constraint): Remove.
3353         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
3354         * config/alpha/alpha-protos.h: Update.
3355         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
3356         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
3357         (EXTRA_CONSTRAINT): Remove.
3358         * config/alpha/alpha.md: Include constraints.md.
3359         (adddi splitter): Use satisfies_constraint_*.
3360         * config/alpha/predicates.md (add_operand): Likewise.
3361         (sext_add_operand, addition_operation): Likewise.
3362
3363 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
3364
3365         PR tree-optimization/29145
3366         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
3367         in our handling of restrict qualified pointers.
3368
3369 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3370
3371         PR middle-end/7651
3372         * doc/invoke.texi (Wunused-value): Update description.
3373         (Wextra): Delete item.
3374         * opts.c (set_Wextra): Don't use the value of Wextra to set the
3375         value of Wunused-value.
3376         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
3377         (c_finish_stmt_expr): Don't check extra_warnings.
3378         (emit_side_effect_warnings): The caller is responsible to check
3379         warn_unused_value.
3380
3381 2007-02-11  Roger Sayle  <roger@eyesopen.com>
3382             Matt Thomas  <matt@3am-software.com>
3383
3384         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
3385
3386 2007-02-11  Roger Sayle  <roger@eyesopen.com>
3387
3388         * simplify-rtx.c (simplify_relational_operation_1): Optimize
3389         comparisons of POPCOUNT against zero.
3390         (simplify_const_relational_operation): Likewise.
3391
3392 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3393
3394         * doc/invoke.texi (Wextra): Delete outdated paragraph.
3395
3396 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3397
3398         * dwarf2out.c (root_type): Delete unused function.
3399
3400 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3401
3402         * genattrtab.c (contained_in_p): Delete unused function.
3403         (write_expr_attr_cache): Likewise.
3404
3405 2007-02-11  Jan Hubicka  <jh@suse.cz>
3406
3407         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
3408         previous patch.
3409
3410 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
3411
3412         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
3413         to add the REG_EQ* note.
3414         * see.c (see_merge_one_use_extension): Likewise.
3415         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
3416         turn REG_EQUAL notes into REG_EQUIV notes if the target
3417         register may have more than one set.
3418         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
3419         * gcse.c (try_replace_reg): Likewise.
3420         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
3421         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
3422         more than one REG_EQUIV note.
3423         * reload1.c (gen_reload): Use set_unique_reg_note.
3424
3425 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
3426
3427         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
3428         (ix86_builtin_conversion): New function.
3429
3430 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
3431
3432         PR target/29487
3433         * tree.h (DECL_REPLACEABLE_P): New macro.
3434         * except.c (set_nothrow_function_flags): Likewise.
3435
3436 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
3437             Ira Rosen  <irar@il.ibm.com>
3438             Dorit Nuzman  <dorit@il.ibm.com>
3439
3440         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
3441         * targhooks.c (default_builtin_vectorized_conversion): New.
3442         * targhooks.h (default_builtin_vectorized_function): New declaration.
3443         * target.h (struct vectorize): Add builtin_conversion field.
3444         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
3445         stmt_vec_info_type value.
3446         (vectorizable_conversion): New declaration.
3447         * tree-vect-analyze.c (vect_analyze_operations): Add
3448         vectorizable_conversion call.
3449         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
3450         * tree-vect-transform.c (vectorizable_conversion): New function.
3451         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
3452         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
3453         mode.
3454         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
3455         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
3456         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
3457         or ALTIVEC_BUILTIN_VCFSX.
3458
3459 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3460
3461         PR target/30634
3462         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
3463         CONST_DOUBLE and operand 0 is a hard register.
3464         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
3465         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
3466         is a hard floating-point register.
3467
3468 2007-02-10  Richard Henderson  <rth@redhat.com>
3469             Jakub Jelinek  <jakub@redhat.com>
3470             Alexandre Oliva  <aoliva@redhat.com>
3471
3472         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
3473         * builtin-types.def (BT_WORD): Make unsigned.
3474         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
3475         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
3476         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
3477         * c-decl.c (grokdeclarator): Don't error if !have_tls.
3478         * c-parser.c (c_parser_omp_threadprivate): Likewise.
3479         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
3480         emulated tls.
3481         * expr.c (emutls_var_address): New.
3482         (expand_expr_real_1): Expand emulated tls.
3483         (expand_expr_addr_expr_1): Likewise.
3484         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
3485         * output.h (emutls_finish): Declare.
3486         * toplev.c (compile_file): Call it.
3487         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
3488         address before wrapping in CONST.
3489         * varasm.c (emutls_htab, emutls_object_type): New.
3490         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
3491         (get_emutls_object_name, get_emutls_object_type): New.
3492         (get_emutls_init_templ_addr, emutls_decl): New.
3493         (emutls_common_1, emutls_finish): New.
3494         (assemble_variable): When emulating tls, swap decls; generate
3495         constructor for the emutls objects.
3496         (do_assemble_alias): When emulating tls, swap decl and target name.
3497         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
3498         for emulated tls.
3499         * varpool.c (decide_is_variable_needed): Look at force_output.
3500         Recurse for emulated tls.
3501         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
3502         with decide_is_variable_needed.
3503         * emutls.c: New file.
3504         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
3505         tls_object for real tls.
3506
3507 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
3508
3509         PR rtl-optimization/29599
3510         * reload1.c (eliminate_regs_in_insn): Take the destination
3511         mode into account when computing the offset.
3512
3513 2007-02-09  Stuart Hastings  <stuart@apple.com>
3514             Richard Henderson  <rth@redhat.com>
3515
3516         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
3517         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
3518         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
3519         fixuns_truncdfhi2): New.
3520         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
3521         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
3522         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
3523         (floatunssidf2): Allow nonimmediate source.
3524         * gcc/config/i386/sse.md (movdi_to_sse): New.
3525         (vec_concatv2di): Drop '*'.
3526         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
3527         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
3528         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
3529         New.
3530         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
3531         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
3532         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
3533         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
3534         (ix86_build_signbit_mask): Fix decl of v, refactor to call
3535         ix86_build_const_vector.
3536         (x86_emit_floatuns): Rewrite.
3537
3538 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3539
3540         * genautomata.c (longest_path_length): Delete unused function.
3541         (struct state): Delete unused longest_path_length.
3542         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
3543         (get_free_state): Delete unused.
3544
3545 2007-02-09  Jan Hubicka  <jh@suse.cz>
3546
3547         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
3548         * doc/invoke.texi (inline-unit-growth): Update default value.
3549
3550         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
3551         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
3552         (rebuild_cgraph_edges): Likewise.
3553         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
3554         (dump_cgraph_node): Dump frequencies.
3555         (cgraph_clone_edge): Add frequency scales.
3556         (cgraph_clone_node): Add freuqnecy.
3557         * cgraph.h (cgraph_edge): Add freuqnecy argument.
3558         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
3559         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
3560         * tree-pass.h (TODO_rebuild_frequencies): New constant.
3561         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
3562         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
3563         (save_inline_function_body): Likewise.
3564         * ipa-inline.c: inluce rtl.h
3565         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
3566         (cgraph_edge_badness): Use frequencies.
3567         (cgraph_decide_recursive_inlining): Update clonning.
3568         (cgraph_decide_inlining_of_small_function): Dump frequency.
3569         * predict.c (estimate_bb_frequencies): Export.
3570         * predict.h (estimate_bb_frequencies): Declare.
3571         * tree-inline.c (copy_bb): Watch overflows.
3572         (expand_call_inline): Update call of cgraph_create_edge.
3573         (optimize_inline_calls): Use TODO flags to update frequnecies.
3574         * passes.h: Include predict.h
3575         (init_optimization_passes): Move profile ahead.
3576         (execute_function_todo): Handle TODO_rebuild_frequencies.
3577
3578 2007-02-09  Roger Sayle  <roger@eyesopen.com>
3579
3580         * config/alpha/alpha.c (emit_insxl): Force the first operand of
3581         the insbl or inswl pattern into a register.
3582
3583 2007-02-09  Roger Sayle  <roger@eyesopen.com>
3584
3585         * config/ia64/ia64.md (bswapdi2): New define_insn.
3586
3587 2007-02-09  Richard Henderson  <rth@redhat.com>
3588
3589         * config/i386/constraints.md (Ym): New constraint.
3590         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
3591         (movdi_1_rex64): Split sse and xmm general register moves from
3592         memory move alternatives.  Use conditional register constraints.
3593         (movsf_1, movdf_integer): Likewise.
3594         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
3595         (movdf_integer_rex64): New.
3596         (pushsf_rex64): Fix output constraints.
3597         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
3598         (sse2_stored): Likewise.
3599         (sse2_storeq_rex64): New.
3600         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
3601         amd and not generic.
3602         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
3603         for optimize_size.  Remove SF/DFmode hack.
3604
3605 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3606
3607         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
3608         (bit_SSE4a): New.
3609
3610 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
3611             Richard Sandiford  <richard@codesourcery.com>
3612
3613         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
3614         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
3615         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
3616         m68k/t-mlib to tmake_file.
3617         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
3618         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
3619         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
3620         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
3621         variable is not empty, add t-$m68k_arch_family to tmake_file.
3622         Add t-mlibs to tmake_file.
3623         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
3624         * config/m68k/t-cf: New file.
3625         * config/m68k/t-m68k: Likewise.
3626         * config/m68k/t-mlibs: Likewise.
3627         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
3628         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
3629         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
3630         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
3631         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
3632         Delete.
3633         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
3634         (INSTALL_LIBGCC): Delete.
3635         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
3636         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
3637         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
3638         (M68K_MLIB_CPU): Define.
3639         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
3640         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
3641         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
3642
3643 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
3644             Richard Guenther  <rguenther@suse.de>
3645
3646         PR middle-end/23361
3647         * fold-const.c (fold_comparison): Handle obfuscated comparisons
3648         against INT_MIN/INT_MAX.
3649         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
3650         file if a loop is removed.
3651
3652 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
3653
3654         * calls.c (store_one_arg): Pass correct alignment to
3655         emit_push_insn for non-BLKmode values.
3656         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
3657         unaligned stack slot via a suitably aligned slot.
3658
3659 2007-02-08  DJ Delorie  <dj@redhat.com>
3660
3661         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
3662         warnings.
3663         (legal_subregs): Use unsigned char, make const.
3664         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
3665
3666 2007-02-08  Paul Brook  <paul@codesourcery.com>
3667
3668         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
3669         special interworking needed.
3670
3671 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
3672
3673         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
3674         conditional to __SSE2__.
3675         (Entries below should have been added to first ChangeLog
3676         entry for amdfam10 dated 2007-02-05)
3677         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
3678         defined.
3679         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
3680         defined.
3681         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
3682         defined.
3683
3684 2007-02-08  DJ Delorie  <dj@redhat.com>
3685
3686         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
3687         * config/m32c/m32c.c (legal_subregs): New.
3688         (m32c_illegal_subreg_p): New.
3689         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
3690         unsupported subregs of hard regs.
3691
3692 2007-02-08  Jan Hubicka  <jh@suse.cz>
3693
3694         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
3695         the same one; always update histograms.
3696
3697 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
3698
3699         * passes.c (init_optimization_passes): Tidy comment.
3700
3701 2007-02-08  Roger Sayle  <roger@eyesopen.com>
3702
3703         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
3704         strip zero_extend, bswap and rotates from POCOUNT's argument.
3705         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
3706         zero_extend and rotates from PARITY's argument.
3707         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
3708         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
3709         of an integer constant at compile-time.
3710
3711 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
3712
3713         PR 30562
3714         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
3715         Update all users.
3716         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
3717         users.
3718         (init_alias_info):
3719         * tree-ssa-live.c (remove_unused_locals): Do not remove
3720         TREE_ADDRESSABLE variables.
3721         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
3722         * tree-ssa-operands.c (add_virtual_operand): Remove argument
3723         FOR_CLOBBER.  Update all users.
3724         If VAR has an associated alias set, add a virtual operand for
3725         it if no alias is found to conflict with the memory reference.
3726
3727 2007-02-07  Jan Hubicka  <jh@suse.cz>
3728             Robert Kidd <rkidd@crhc.uiuc.edu>
3729
3730         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
3731
3732 2007-02-07  Ian Lance Taylor  <iant@google.com>
3733
3734         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
3735
3736 2007-02-07  Roger Sayle  <roger@eyesopen.com>
3737
3738         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
3739         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
3740         tablejumpdi, movsi_to_cr_one): Remove constraints from
3741         define_expand's match_operands.
3742
3743 2007-02-07  Roger Sayle  <roger@eyesopen.com>
3744
3745         * global.c (compute_regsets): Move declatation of "i" inside of
3746         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
3747
3748 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
3749
3750         PR c++/30703
3751         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
3752         of INDIRECT_REF <RESULT_DECL>.
3753
3754         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
3755
3756 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
3757             Kaz Kojima  <kkojima@gcc.gnu.org>
3758
3759         PR target/29746
3760         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
3761         properly.
3762         (sh_initialize_trampoline): Add parentheses to avoid a warning.
3763
3764 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
3765
3766         * doc/loop.texi: Document possibility not to perform disambiguation
3767         of loops with multiple latches.
3768         * cfgloopmanip.c (alp_enum_p): Removed.
3769         (add_loop): Handle subloops.  Use get_loop_body_with_size.
3770         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
3771         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
3772         the new forwarder block.
3773         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
3774         Handle the case latch is NULL.
3775         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
3776         when marking loop exits.
3777         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
3778         be modified.
3779         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
3780         disambiguate_loops_with_multiple_latches.
3781         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
3782         before fix_loop_structure.
3783         * cfgloop.c: Include pointer-set.h and output.h.
3784         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
3785         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
3786         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
3787         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
3788         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
3789         disambiguate_multiple_latches, get_loop_body_with_size,
3790         disambiguate_loops_with_multiple_latches): New functions.
3791         (flow_loop_dump): Dump multiple latch edges.
3792         (flow_loop_nodes_find): Handle loops with multiple latches.
3793         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
3794         (glb_enum_p): Modified.
3795         (get_loop_body): Use get_loop_body_with_size.
3796         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
3797         (AVOID_CFG_MODIFICATIONS): New constant.
3798         (disambiguate_loops_with_multiple_latches, add_loop,
3799         get_loop_body_with_size): Declare.
3800         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
3801
3802 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
3803
3804         PR inline-asm/28686
3805         * global.c (compute_regsets): New function.
3806         (global_alloc): Refactored ELIMINABLE_REGSET
3807         and NO_GLOBAL_ALLOC_REGS computation out.
3808         (rest_of_handle_global_alloc): Call compute_regsets()
3809         for non-optimizing case.
3810
3811 2007-02-06  Richard Henderson  <rth@redhat.com>
3812
3813         * config/i386/constraints.md (Y2): Rename from Y.
3814         (Yi): New constraint.
3815         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
3816         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
3817         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
3818         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
3819         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
3820         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
3821         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
3822         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
3823         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
3824         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
3825         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
3826         vec_extractv2si_1): Change Y constraints to Y2.
3827         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
3828         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
3829         Change Y constraints to Y2.
3830         (sse2_loadld): Change Y constraints to x.
3831
3832 2007-02-06  Roger Sayle  <roger@eyesopen.com>
3833
3834         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
3835         (parity<mode>2): New define_expand using rs6000_emit_parity.
3836         * config/rs6000/rs6000.c (rs6000_emit_popcount,
3837         rs6000_emit_parity): New functions.
3838         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
3839         rs6000_emit_parity): Prototype here.
3840
3841 2007-02-06  Ian Lance Taylor  <iant@google.com>
3842
3843         * lower-subreg.c (simple_move_operand): Reject CONST.
3844         (resolve_clobber): Call validate_change rather than directly
3845         assigning to XEXP (pat, 0).
3846
3847 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
3848
3849         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
3850         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
3851         (tree-cfg.o): Remove hashtab.h dependency.
3852
3853         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
3854         (struct ivopts_data): Change niters to pointer_map_t.
3855         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
3856         (niter_for_exit): Create pointer_map on demand.  Change for
3857         pointer_map API.
3858         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
3859         (free_loop_data): Destroy data->niters if created and reset field.
3860         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
3861         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
3862
3863         * tree-ssa-reassoc.c: Include pointer-set.h.
3864         (bb_rank): Change to long *.
3865         (operand_rank): Change to pointer_map_t.
3866         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
3867         (insert_operand_rank): Accept long.
3868         (operand_entry_hash, operand_entry_eq): Remove.
3869         (get_rank): Return long.  Adjust for changes above.
3870         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
3871         and operand_rank.
3872         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
3873
3874         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
3875         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
3876         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
3877         is not NULL.
3878         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
3879         directly since it cannot be NULL.
3880         (get_vi_for_tree): Rewrite for pointer_map API.
3881         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
3882         (init_alias_vars): Create vi_for_tree as pointer_map.
3883         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
3884
3885         * tree-cfg.c: Don't include hashtab.h.
3886         (edge_to_cases): Declare as pointer_map.
3887         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
3888         Delete.
3889         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
3890         (start_recording_case_labels): Create edge_to_cases as pointer_map.
3891         (end_recoding_case_labels): Cleanup edge_to_cases manually before
3892         destroying it.
3893         (record_switch_edge): Delete.
3894         (get_cases_for_edge): Adjust for pointer_map API, inline
3895         record_switch_edge (rewritten for new API), remove goto.
3896
3897 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
3898
3899         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
3900         * tree-nested.c: Include pointer-set.h.
3901         (var_map_elt, var_map_eq, var_map_hash): Delete.
3902         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
3903         to pointer_map_t's.
3904         (nesting_info_bitmap_obstack): New.
3905         (lookup_field_for_decl): Adjust for pointer_map API.
3906         (lookup_tramp_for_decl): Adjust for pointer_map API.
3907         (get_nonlocal_debug_decl): Adjust for pointer_map API.
3908         (get_local_debug_decl): Adjust for pointer_map API.
3909         (convert_nl_goto_reference): Adjust for pointer_map API.
3910         (convert_nl_goto_receiver): Adjust for pointer_map API.
3911         (create_nesting_tree): Create outside GGC space.  Create bitmap on
3912         the new obstack.  Create field_map and var_map as pointer_maps.
3913         (free_nesting_tree): Adjust for changes to create_nesting_tree.
3914         (root): Delete.
3915         (lower_nested_functions): Move root here, no need to NULL it.
3916         Initialize and release the obstack.
3917
3918 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
3919
3920         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
3921         Remove prototypes and make them non-static.
3922         (struct tree_int_map): Remove.
3923         * tree.h (struct tree_int_map): Move here, turning TO into an
3924         unsigned int.
3925         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
3926
3927         * tree.h (TREE_COMPLEXITY): Remove.
3928         (struct tree_exp): Remove complexity field.
3929         * tree.c (build1_stat): Don't set it.
3930
3931 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
3932             Victor Kaplansky  <victork@il.ibm.com>
3933
3934         * tree-vectorizer.c (vect_is_simple_use): Support induction.
3935         (vect_is_simple_reduction): Support reduction with induction as
3936         one of the operands.
3937         (vect_is_simple_iv_evolution): Fix formatting.
3938         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
3939         formatting.  Don't mark induction phis for vectorization.
3940         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
3941         * tree-vect-transform.c (get_initial_def_for_induction): New function.
3942         (vect_get_vec_def_for_operand): Support induction.
3943         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
3944         induction case.
3945         (vectorizable_reduction): Support reduction with induction as one of
3946         the operands.
3947         (vectorizable_type_demotion): Use def-type of stmt argument rather
3948         than dummy def-type.
3949
3950         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
3951         flag_tree_scev_cprop.
3952         * common.opt (tree-scev-cprop): New flag.
3953
3954         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
3955         call to vect_get_new_vect_var.
3956
3957 2007-02-06  Ira Rosen  <irar@il.ibm.com>
3958
3959         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
3960         vectype is not NULL.
3961         (vect_pattern_recog_1): Likewise.
3962
3963 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3964
3965         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
3966         (fold_negate_expr): Likewise.
3967
3968 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
3969
3970         PR debug/30189
3971         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
3972         even if cv-qualification is the same.
3973
3974 2007-02-05  Geoffrey Keating  <geoff