gcc/ChangeLog

   1 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
   2
   3         * config/s390/s390.c (s390_call_saved_register_used,
   4         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
   5         accessed to the new scheme.
   6
   7 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
   8
   9         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
  10         (cris_print_index, cris_print_operand, cris_print_operand_address)
  11         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
  12         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
  13         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
  14         GET_CODE () == xxx.
  15         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
  16         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
  17         GO_IF_LEGITIMATE_ADDRESS): Ditto.
  18         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
  19         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
  20         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
  21         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
  22         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
  23         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
  24         (uminsi3, call, call_value): Ditto.
  25         (define_split: indir_to_reg_split, unnamed): Ditto.
  26
  27 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
  28
  29         PR tree-optimization/30975
  30         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
  31         wrong assert.
  32
  33 2007-02-18  Eric Christopher  <echristo@gmail.com>
  34
  35         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
  36         Remove use of arglist.
  37         (mips_expand_builtin): Remove use of arglist, pass in expr.
  38         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
  39         (mips_expand_builtin_movtf): Ditto.
  40         (mips_expand_builtin_compare): Ditto.
  41
  42 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
  43
  44         * tree-sra.c (sra_build_assignment): Replace assertion
  45         checking with a comment explaining why it can't be done.
  46
  47 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
  48
  49         PR middle-end/30833
  50         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
  51         during CALL_EXPR representation conversion.
  52         * tree-ssa-propagate.c (set_rhs): Likewise.
  53
  54 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
  55
  56         * tree-sra.c (sra_build_assignment): Disable assertion checking
  57         for now.
  58
  59 2007-02-18  Roger Sayle  <roger@eyesopen.com>
  60
  61         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
  62         instead of calling build2 with a GIMPLE_MODIFY_STMT.
  63         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
  64         Likewise.
  65         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
  66         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
  67         gimplify_init_ctor_eval_range, gimple_push_cleanup,
  68         gimplify_omp_for, gimplify_omp_atomic_pipeline,
  69         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
  70         force_gimple_operand): Likewise.
  71         * ipa-cp.c (constant_val_insert): Likewise.
  72         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
  73         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
  74         perfect_nestify): Likewise.
  75         * langhooks.c (lhd_omp_assignment): Likewise.
  76         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
  77         lower_copyprivate_clauses, lower_send_clauses,
  78         lower_send_shared_vars, expand_parallel_call,
  79         expand_omp_for_generic, expand_omp_for_static_nochunk,
  80         expand_omp_for_static_chunk, expand_omp_sections,
  81         lower_omp_single_copy, lower_omp_for_lastprivate,
  82         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
  83         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
  84         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
  85         Likewise.
  86
  87 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
  88
  89         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
  90         config/sh/sh.md: Follow spelling conventions.
  91
  92         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
  93         config/frv/predicates.md: Follow spelling conventions.
  94
  95         * config/m68k/linux-unwind.h: Fix a comment typo.
  96         * target.h: Follow spelling conventions.
  97
  98 2007-02-18  Roger Sayle  <roger@eyesopen.com>
  99
 100         PR rtl-optimization/28173
 101         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
 102         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
 103         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
 104         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
 105         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
 106
 107 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 108
 109         * builtins.c (fold_builtin_load_exponent): New.
 110         (fold_builtin_2): Use it.
 111
 112 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
 113
 114         PR rtl-optimization/30773
 115         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
 116         if we fail to attach a REG_EQUIV note.
 117
 118 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
 119             Roger Sayle  <roger@eyesopen.com>
 120
 121         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
 122
 123 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
 124
 125         * calls.c (initialize_argument_information): Pass original EXP
 126         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
 127         code to split complex arguments here, as part of initializing the
 128         ARGS array.
 129         (expand_call): Remove code that builds a list of arguments and
 130         inserts implicit arguments into it.  Instead, just count how many
 131         implicit arguments there will be so we can determine the size of
 132         the ARGS array, and let initialize_argument_information do the work.
 133         (split_complex_values): Delete unused function.
 134
 135 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
 136
 137         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
 138
 139 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
 140
 141         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
 142         for arg pointer based indexed addressing.
 143
 144 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
 145
 146         * config/ia64/ia64.h, config/ia64/ia64.md,
 147         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
 148         spelling conventions.
 149
 150 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
 151
 152         * config/m68k/m68k.c (split_di): New.
 153         * config/m68k/m68k-protos.h: Declare split_di.
 154         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
 155           Improve predicate handling and split constant shifts.
 156
 157 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
 158
 159         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
 160         parameter for register bitfield operations, general predicates
 161         cleanup
 162
 163 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
 164
 165         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
 166         * config/m68k/linux-unwind.h: New file.
 167
 168 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
 169
 170         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
 171         config/i386/athlon.md, config/ia64/ia64.md,
 172         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
 173         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
 174         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
 175         tree-ssa-loop-niter.c, tree-vect-analyze.c,
 176         tree-vect-transform.c: Fix comment typos.
 177
 178 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
 179
 180         * sched-deps.c (find_insn_list): Remove.
 181         * sched-int.h: Remove the prototype for find_insn_list.
 182
 183 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
 184
 185         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
 186         to linker.
 187         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
 188         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
 189         darwin_rs6000_override_options.
 190         (C_COMMON_OVERRIDE_OPTIONS): Expect
 191         darwin_macosx_version_min to be non-NULL always.
 192         (TARGET_C99_FUNCTIONS): Likewise.
 193         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
 194         (DARWIN_MINVERSION_SPEC): New.
 195         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
 196         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
 197         to cc1*.
 198         (DARWIN_MINVERSION_SPEC): New.
 199         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
 200         value.
 201         * config/darwin-c.c (darwin_cpp_builtins): Expect
 202         darwin_macosx_version_min to be non-NULL always.
 203
 204         * config/rs6000/rs6000.c: Clean up trailing whitespace.
 205
 206 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
 207
 208         * config/i386/i386.h (x86_use_xchgb): New.
 209         (TARGET_USE_XCHGB): New macro.
 210         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
 211         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
 212         Split after reload into bswaphi for shifts of 8.
 213         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
 214         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
 215         or when optimizing for size.
 216
 217 2007-02-16  Richard Guenther  <rguenther@suse.de>
 218             Christian Bruel  <christian.bruel@st.com>
 219
 220         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
 221         DECLs but prefer SSA_NAMEs over DECLs.
 222
 223 2007-02-16  Richard Guenther  <rguenther@suse.de>
 224
 225         * tree-flow-inline.h (single_imm_use_p): Remove.
 226         (zero_imm_uses_p): Likewise.
 227         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
 228         instead of single_imm_use_p.
 229         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
 230         zero_imm_uses_p.
 231
 232 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 233
 234         PR other/27843
 235         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
 236         nested double- and backquotes.
 237
 238 2007-02-15  Roger Sayle  <roger@eyesopen.com>
 239
 240         PR middle-end/30391
 241         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
 242         should be unreachable.
 243         (build2_stat): Allow construction of MODIFY_EXPR at any time.
 244         For the time being redirect GIMPLE_MODIFY_STMT to the new
 245         (renamed) build_gimple_modify_stmt_stat.
 246         (build2_gimple_stat): Rename to...
 247         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
 248         Always build a GIMPLE_MODIFY_STMT node.
 249         * tree.h (build2_gimple, build2_gimple_stat): Delete.
 250         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
 251         declarations.
 252
 253         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
 254         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
 255         * tree-complex.c (set_component_ssa_name, expand_complex_move,
 256         expand_complex_div_wide): Likewise.
 257         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
 258         * tree-ssa-loop-im.c (schedule_sm): Likewise.
 259         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
 260         * tree-ssa-loop-manip.c (create_iv): Likewise.
 261         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
 262         abs_replacement): Likewise.
 263         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
 264         realify_fake_stores): Likewise.
 265
 266         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
 267         node rather than a GIMPLE_MODIFY_STMT node.
 268         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
 269         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
 270         Likewise.
 271         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
 272         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
 273         GIMPLE_MODIFY_STMT.
 274
 275 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 276
 277         PR middle-end/30433
 278         * fold-const.c (fold_comparison): Add back the
 279         folding of constant complex comparisions.
 280
 281 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 282
 283         PR middle-end/30729
 284         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
 285         effects unknown to this function, return early.
 286
 287 2007-02-15  Ian Lance Taylor  <iant@google.com>
 288
 289         * lower-subreg.c (move_eh_region_note): New static function.
 290         (resolve_simple_move): Call it.
 291         (decompose_multiword_subregs): Track blocks for which we resolve a
 292         simple move which is also a control flow insn.  Pass them to
 293         find_many_sub_basic_blocks.
 294         (pass_lower_subreg): Add TODO_verify_flow.
 295         (pass_lower_subreg2): Likewise.
 296
 297 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
 298             Brooks Moses  <brooks.moses@codesourcery.com>
 299             Lee Millward  <lee.millward@codesourcery.com>
 300
 301         * tree.h (enum tree_code_class): Add tcc_vl_exp.
 302         (VL_EXP_CLASS_P): New.
 303         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
 304         TREE_CODE_LENGTH.
 305         (TREE_OPERAND_CHECK_CODE): Likewise.
 306         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
 307         (TREE_RTL_OPERAND_CHECK): Likewise.
 308         (tree_operand_check_failed): Make second parameter the whole tree
 309         instead of its code.  Fixed callers.
 310         (VL_EXP_CHECK): New.
 311         (TREE_OPERAND_LENGTH): New.
 312         (VL_EXP_OPERAND_LENGTH): New.
 313         (CALL_EXPR_FN): New.
 314         (CALL_EXPR_STATIC_CHAIN): New.
 315         (CALL_EXPR_ARGS): New.
 316         (CALL_EXPR_ARG): New.
 317         (call_expr_nargs): New.
 318         (CALL_EXPR_ARGP): New.
 319         (build_nt_call_list): Declare.
 320         (build_vl_exp_stat): Declare.
 321         (build_vl_exp): New.
 322         (build_call_list): Declare.
 323         (build_call_nary): Declare.
 324         (build_call_valist): Declare.
 325         (build_call_array): Declare.
 326         (call_expr_arg): Declare.
 327         (call_expr_argp): Declare.
 328         (call_expr_arglist): Declare.
 329         (fold_build_call_list): Declare.
 330         (fold_build_call_list_initializer): Declare.
 331         (fold_call_expr): Declare to replace fold_builtin.
 332         (fold_builtin_fputs): Update to agree with modified definition.
 333         (fold_builtin_strcpy): Likewise.
 334         (fold_builtin_strncpy): Likewise.
 335         (fold_builtin_memory_chk): Likewise.
 336         (fold_builtin_stxcpy_chk): Likewise.
 337         (fold_builtin_strncpy_chk): Likewise.
 338         (fold_builtin_next_arg): Likewise.
 339         (fold_build_call_expr): Declare.
 340         (fold_builtin_call_list): Declare.
 341         (fold_builtin_call_valist): Declare.
 342         (build_call_expr): Declare.
 343         (validate_arglist): Update to agree with modified definition.
 344         (tree_operand_length): New.
 345         (call_expr_arg_iterator): New.
 346         (init_call_expr_arg_iterator): New.
 347         (next_call_expr_arg): New.
 348         (first_call_expr_arg): New.
 349         (more_call_expr_args_p): New.
 350         (FOR_EACH_CALL_EXPR_ARG): New.
 351
 352         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
 353         and tcc_gimple_stmt.
 354         (tree_code_size): Update documentation.  Use sizeof (tree) rather
 355         than sizeof (char *).
 356         (tree_size): Likewise.  Add case for tcc_vl_exp.
 357         (tree_node_structure): Add case for tcc_vl_exp.
 358         (contains_placeholder_p): Likewise.
 359         (substitute_in_expr): Likewise.
 360         (substitute_placeholder_in_expr): Likewise.
 361         (stabilize_reference_1): Likewise.
 362         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
 363         to diagnose breakage of this interface for constructing CALL_EXPRs.
 364         (build_nt): Add similar assertion here.
 365         (build_nt_call_list): New.
 366         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
 367         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
 368         TREE_CODE_LENGTH.
 369         (get_callee_fndecl): Use new CALL_EXPR accessors.
 370         (tree_operand_check_failed): Change parameters to pass entire node
 371         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
 372         (process_call_operands): New.
 373         (build_vl_exp_stat): New.
 374         (build_call_list): New.
 375         (build_call_nary): New.
 376         (build_call_valist): New.
 377         (build_call_array): New.
 378         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
 379         (call_expr_arglist): New.
 380
 381         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
 382         tcc_vl_exp instead of a fixed-size tcc_expression.
 383
 384         * doc/c-tree.texi (CALL_EXPR): Document new representation and
 385         accessors for CALL_EXPRs.
 386         (AGGR_INIT_EXPR): Likewise.
 387
 388 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
 389             Brooks Moses  <brooks.moses@codesourcery.com>
 390             Lee Millward  <lee.millward@codesourcery.com>
 391
 392         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
 393         (expand_builtin_nonlocal_goto): Change parameter to be entire
 394         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
 395         (expand_builtin_prefetch): Likewise.
 396         (expand_builtin_classify_type): Likewise.
 397         (mathfn_built_in): Return NULL_TREE instead of 0.
 398         (expand_errno_check): Use new CALL_EXPR accessors.
 399         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
 400         Return NULL_RTX instead of 0.
 401         (expand_builtin_mathfn_2): Likewise.
 402         (expand_builtin_mathfn_3): Likewise.
 403         (expand_builtin_interclass_mathfn): Likewise.
 404         (expand_builtin_sincos): Likewise.
 405         (expand_builtin_cexpi): Likewise.
 406         (expand_builtin_int_roundingfn): Likewise.
 407         (expand_builtin_int_roundingfn_2): Likewise.
 408         (expand_builtin_pow): Likewise.
 409         (expand_builtin_powi): Likewise.
 410         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
 411         of arglist, fixing callers appropriately.  Use new CALL_EXPR
 412         accessors and constructors.  Return NULL_RTX instead of 0.
 413         (expand_builtin_strstr): Likewise.
 414         (expand_builtin_strchr): Likewise.
 415         (expand_builtin_strrchr): Likewise.
 416         (expand_builtin_strpbrk): Likewise.
 417         (expand_builtin_memcpy): Likewise.
 418         (expand_builtin_mempcpy): Likewise.
 419         (expand_builtin_mempcpy_args): New.
 420         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
 421         (expand_builtin_memmove_args): New.
 422         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
 423         (expand_movstr): Likewise.
 424         (expand_builtin_strcpy): Likewise.
 425         (expand_builtin_strcpy_args): New.
 426         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
 427         (expand_builtin_strncpy): Likewise.
 428         (expand_builtin_memset): Likewise.
 429         (expand_builtin_memset_args): New.
 430         (expand_builtin_bzero): Similarly to expand_builtin_memset.
 431         (expand_builtin_memcmp): Likewise.
 432         (expand_builtin_strcmp): Likewise.
 433         (expand_builtin_strncmp): Likewise.
 434         (expand_builtin_strcat): Likewise.
 435         (expand_builtin_strncat): Likewise.
 436         (expand_builtin_strspn): Likewise.
 437         (expand_builtin_strcspn): Likewise.
 438         (expand_builtin_args_info): Likewise.
 439         (expand_builtin_va_start): Likewise.
 440         (gimplify_va_arg_expr): Likewise.
 441         (expand_builtin_va_end): Likewise.
 442         (expand_builtin_va_copy): Likewise.
 443         (expand_builtin_frame_address): Likewise.
 444         (expand_builtin_alloca): Likewise.
 445         (expand_builtin_bswap): Likewise.
 446         (expand_builtin_unop): Likewise.
 447         (expand_builtin_fputs): Likewise.
 448         (expand_builtin_expect): Likewise.
 449         (expand_builtin_fabs): Likewise.
 450         (expand_builtin_copysign): Likewise.
 451         (expand_builtin_printf): Likewise.
 452         (expand_builtin_fprintf): Likewise.
 453         (expand_builtin_sprintf): Likewise.
 454         (expand_builtin_init_trampoline): Likewise.
 455         (expand_builtin_signbit): Likewise.
 456         (expand_builtin_fork_or_exec): Likewise.
 457         (expand_builtin_sync_operation): Likewise.
 458         (expand_builtin_compare_and_swap): Likewise.
 459         (expand_builtin_lock_test_and_set): Likewise.
 460         (expand_builtin_lock_release): Likewise.
 461         (expand_builtin): Likewise.
 462         (builtin_mathfn_code): Likewise.
 463
 464         (fold_builtin_constant_p): Pass call arguments individually instead
 465         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
 466         accessors and constructors.  Return NULL_TREE instead of 0.
 467         (fold_builtin_expect): Likewise.
 468         (fold_builtin_classify_type): Likewise.
 469         (fold_builtin_strlen): Likewise.
 470         (fold_builtin_nan): Likewise.
 471         (integer_valued_real_p): Likewise.
 472         (fold_trunc_transparent_mathfn): Likewise.
 473         (fold_fixed_mathfn): Likewise.
 474         (fold_builtin_cabs): Likewise.
 475         (fold_builtin_sqrt): Likewise.
 476         (fold_builtin_cbrt): Likewise.
 477         (fold_builtin_cos): Likewise.
 478         (fold_builtin_cosh): Likewise.
 479         (fold_builtin_tan): Likewise.
 480         (fold_builtin_sincos): Likewise.
 481         (fold_builtin_cexp): Likewise.
 482         (fold_builtin_trunc): Likewise.
 483         (fold_builtin_floor): Likewise.
 484         (fold_builtin_ceil): Likewise.
 485         (fold_builtin_round): Likewise.
 486         (fold_builtin_int_roundingfn): Likewise.
 487         (fold_builtin_bitop): Likewise.
 488         (fold_builtin_bswap): Likewise.
 489         (fold_builtin_logarithm): Likewise.
 490         (fold_builtin_hypot): Likewise.
 491         (fold_builtin_pow): Likewise.
 492         (fold_builtin_powi): Likewise.
 493         (fold_builtin_exponent): Likewise.
 494         (fold_builtin_memset): Likewise.
 495         (fold_builtin_bzero): Likewise.
 496         (fold_builtin_memory_op): Likewise.
 497         (fold_builtin_bcopy): Deleted; call site changed to invoke
 498         fold_builtin_memory_op directly.
 499         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
 500         (fold_builtin_strncpy): Likewise.
 501         (fold_builtin_memcmp): Likewise.
 502         (fold_builtin_strcmp): Likewise.
 503         (fold_builtin_strncmp): Likewise.
 504         (fold_builtin_signbit): Likewise.
 505         (fold_builtin_copysign): Likewise.
 506         (fold_builtin_isascii): Likewise.
 507         (fold_builtin_toascii): Likewise.
 508         (fold_builtin_isdigit): Likewise.
 509         (fold_builtin_fabs): Likewise.
 510         (fold_builtin_abs): Likewise.
 511         (fold_builtin_fmin_fmax): Likewise.
 512         (fold_builtin_carg): Likewise.
 513         (fold_builtin_classify): Likewise.
 514         (fold_builtin_unordered_cmp): Likewise.
 515
 516         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
 517         New functions split out from fold_builtin_1.
 518         (fold_builtin_n): New.
 519         (fold_builtin_varargs): New.
 520         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
 521         instead.
 522         (fold_call_expr): New.
 523         (build_function_call_expr): Rewrite to use new helper function.
 524         (fold_builtin_call_list): New.
 525         (build_call_expr): New.
 526         (fold_builtin_call_valist): New.
 527         (rewrite_call_expr): New.
 528         (validate_arg): New.
 529         (validate_arglist): Change parameter to be entire CALL_EXPR instead
 530         of an arglist.  Change return type to bool.  Use new CALL_EXPR
 531         accessors.
 532
 533         (fold_builtin_strstr):  Pass call arguments individually instead
 534         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
 535         accessors and constructors.  Return NULL_TREE instead of 0.
 536         (fold_builtin_strchr): Likewise.
 537         (fold_builtin_strrchr): Likewise.
 538         (fold_builtin_strpbrk): Likewise.
 539         (fold_builtin_strcat): Likewise.
 540         (fold_builtin_strncat): Likewise.
 541         (fold_builtin_strspn): Likewise.
 542         (fold_builtin_strcspn): Likewise.
 543         (fold_builtin_fputs): Likewise.
 544         (fold_builtin_next_arg): Likewise.
 545         (fold_builtin_sprintf): Likewise.
 546
 547         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
 548         NULL_RTX instead of 0.
 549         (expand_builtin_memory_chk): Likewise.
 550         (maybe_emit_chk_warning): Likewise.
 551         (maybe_emit_sprintf_chk_warning): Likewise.
 552
 553         (fold_builtin_object_size): Pass call arguments individually instead
 554         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
 555         accessors and constructors.  Return NULL_TREE instead of 0.
 556         (fold_builtin_memory_chk): Likewise.
 557         (fold_builtin_stxcpy_chk): Likewise.
 558         (fold_builtin_strncpy_chk): Likewise.
 559         (fold_builtin_strcat_chk): Likewise.
 560         (fold_builtin_strcat_chk): Likewise.
 561         (fold_builtin_strncat_chk): Likewise.
 562         (fold_builtin_sprintf_chk): Likewise.
 563         (fold_builtin_snprintf_chk): Likewise.
 564         (fold_builtin_printf): Likewise.
 565         (fold_builtin_vprintf): Likewise.
 566
 567         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
 568         constructors.
 569         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
 570         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
 571         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
 572         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
 573         (fold_unary): Likewise.
 574         (fold_binary): Likewise.
 575         (fold_ternary): Remove CALL_EXPR case, since they are no longer
 576         ternary expressions.
 577         (fold): Add logic for tcc_vl_exp.
 578         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
 579         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
 580         (fold_build3_stat): Add assertion to flag broken interface for
 581         constructing CALL_EXPRs.
 582         (fold_build_call_list): New.
 583         (fold_build_call_list_initializer): New.
 584         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
 585         constructors.
 586         (fold_strip_sign_ops): Likewise.
 587
 588 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
 589             Brooks Moses  <brooks.moses@codesourcery.com>
 590             Lee Millward  <lee.millward@codesourcery.com>
 591
 592         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
 593         accessors and dump arguments explicitly.
 594
 595         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
 596         TREE_CODE_LENGTH.
 597         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
 598         explicitly.
 599         (print_call_name): Use new CALL_EXPR accessors.
 600
 601         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
 602         CALL_EXPR arguments explicitly instead of as a list.  Use
 603         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
 604
 605         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
 606         (vrp_visit_stmt): Likewise.
 607
 608         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
 609         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
 610         TREE_CODE_LENGTH.
 611         (force_move_till_expr): Likewise.
 612
 613         * targhooks.c (default_external_stack_protect_fail): Use
 614         build_call_expr instead of build_function_call_expr.
 615         (default_hidden_stack_protect_fail): Likewise.
 616
 617         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
 618         build the call.
 619
 620         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
 621         and walk arguments explicitly.
 622
 623         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
 624         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
 625         (expand_simple_operations): Likewise.
 626         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
 627
 628         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
 629         of TREE_CODE_LENGTH.
 630         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
 631
 632         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
 633         instead of TREE_CODE_LENGTH.
 634
 635         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
 636         (tree_ic_transform): Likewise.
 637         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
 638         parameter instead of arglist.  Fix callers.
 639         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
 640         (tree_stringops_transform): Likewise.
 641         (tree_indirect_call_to_profile): Likewise.
 642         (tree_stringops_values_to_profile): Likewise.
 643
 644         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
 645         (eliminate_tail_call): Likewise.
 646
 647         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
 648
 649         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
 650         Use TREE_OPERAND_LENGTH and generalize to handle any number of
 651         operands.
 652         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
 653
 654         * omp-low.c (build_omp_barrier): Use build_call_expr.
 655         (lower_rec_input_clauses): Likewise.
 656         (lower_reduction_clauses): Likewise.
 657         (expand_parallel_call): Likewise.
 658         (maybe_catch_exception): Likewise.
 659         (expand_omp_for_generic): Likewise.
 660         (expand_omp_for_static_nochunk): Likewise.
 661         (expand_omp_sections): Likewise.
 662         (lower_omp_single_simple): Likewise.
 663         (lower_omp_single_copy): Likewise.
 664         (lower_omp_master): Likewise.
 665         (lower_omp_ordered): Likewise.
 666         (lower_omp_critical): Likewise.
 667
 668         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
 669         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
 670
 671         * tree-gimple.c (is_gimple_call_addr): Fix doc.
 672         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
 673         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
 674
 675         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
 676         and generalize to handle any number of operands.
 677         (chrec_contains_undetermined): Likewise.
 678         (tree_contains_chrecs): Likewise.
 679         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
 680
 681         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
 682
 683         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
 684         fold_call_expr instead of fold_builtin.
 685         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
 686         match declarations there.
 687         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
 688         updates.
 689
 690         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
 691         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
 692
 693         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
 694         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
 695
 696         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
 697         accessors.
 698
 699         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
 700         (execute_cse_sincos): Use new CALL_EXPR accessors.
 701
 702         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
 703
 704         * gimple-low.c (lower_function_body): Use build_call_expr.
 705         (lower_builtin_setjmp): Likewise.
 706
 707         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
 708         (set_storage_via_libcall): Likewise.
 709         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
 710         instead of TREE_CODE_LENGTH.
 711         (expand_expr_real_1): Use new CALL_EXPR accessors.
 712
 713         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
 714         generalize to handle any number of operands.
 715         (TB_parent_eq): Likewise.
 716
 717         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
 718         (strip_builtin_expect): Likewise.
 719
 720         * function.c (gimplify_parameters): Use build_call_expr.
 721
 722         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
 723         instead of TREE_CODE_LENGTH.
 724
 725         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
 726         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
 727
 728         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
 729         iterators.
 730
 731         * gimplify.c (build_stack_save_restore): Use build_call_expr.
 732         (gimplify_decl_expr): Likewise.
 733         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
 734         Use new CALL_EXPR iterators.
 735         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
 736         (gimplify_modify_expr_to_memset): Likewise.
 737         (gimplify_variable_sized_compare): Likewise.
 738         (gimplify_omp_atomic_fetch_op): Likewise.
 739         (gimplify_omp_atomic_pipeline): Likewise.
 740         (gimplify_omp_atomic_mutex): Likewise.
 741         (gimplify_function_tree): Likewise.
 742
 743         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
 744         (call_expr_flags): Likewise.
 745         (expand_call): Likewise.
 746
 747         * except.c (expand_builtin_eh_return_data_regno): Pass entire
 748         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
 749         accessors.
 750
 751         * coverage.c (create_coverage): Use build_call_expr.
 752
 753         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
 754         (temp_call_expr_obstack): New.
 755         (pool_copy_list): Delete.
 756         (temp_copy_call_expr): New.
 757         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
 758         CALL_EXPR accessors.  Get rid of special goo for copying argument
 759         lists and use temp_copy_call_expr instead.
 760         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
 761         CALL_EXPR accessors.
 762         (create_expression_by_pieces): Likewise.  Use build_call_array
 763         to construct the result instead of fold_build3.
 764         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
 765         dealing with argument lists.
 766         (init_pre): Remove references to expression_node_pool and
 767         list_node_pool.  Init temp_call_expr_obstack instead.
 768         (fini_pre): Remove references to expression_node_pool and
 769         list_node_pool.
 770
 771         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
 772         and walk arguments explicitly instead of as a list.
 773
 774         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
 775         (mx_register_decls): Likewise.
 776         (mudflap_register_call): Likewise.
 777         (mudflap_finish_file): Likewise.
 778
 779         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
 780         (ipa_callsite_compute_param): Likewise.
 781
 782         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
 783         accessors and constructor.
 784
 785         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
 786         accessors and constructor.
 787         (convert_tramp_reference): Likewise.
 788         (convert_call_expr): Likewise.
 789         (finalize_nesting_tree_1): Likewise.
 790
 791         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
 792         accessors.
 793
 794         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
 795
 796         * tree-inline.c (initialize_inlined_parameters): Pass entire
 797         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
 798         accessors.
 799         (estimate_num_insns_1): Use new CALL_EXPR accessors.
 800         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
 801
 802         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
 803         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
 804         (vectorizable_reduction): Likewise.
 805         (vectorizable_call): Use new CALL_EXPR iterators.
 806         (vectorizable_conversion): Use build_call_expr.
 807         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
 808         (vect_gen_widened_results_half): Use build_call_expr.
 809         (vect_setup_realignment): Likewise.
 810         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
 811
 812         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
 813         (pass_through_call): Likewise.
 814         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
 815         fold_builtin.
 816
 817         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
 818         (tree_gen_pow2_profiler): Likewise.
 819         (tree_gen_one_value_profiler): Likewise.
 820         (tree_gen_ic_func_profiler): Likewise.
 821         (tree_gen_average_profiler): Likewise.
 822         (tree_gen_ior_profiler): Likewise.
 823
 824         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
 825         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
 826         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
 827
 828         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
 829         of TREE_CODE_LENGTH.
 830
 831         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
 832         of TREE_CODE_LENGTH.
 833
 834         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
 835         constructor.
 836         (convert_to_integer): Likewise.
 837
 838         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
 839         accessors.
 840
 841 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
 842             Brooks Moses  <brooks.moses@codesourcery.com>
 843             Lee Millward  <lee.millward@codesourcery.com>
 844
 845         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
 846         accessors.
 847         * config/frv/frv.c (frv_expand_builtin): Likewise.
 848         * config/s390/s390.c (s390_expand_builtin): Likewise.
 849
 850         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
 851         (sparc_expand_builtin): Use new CALL_EXPR accessors.
 852
 853         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
 854         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
 855         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
 856         (ix86_expand_store_builtin): Likewise.
 857         (ix86_expand_unop_builtin): Likewise.
 858         (ix86_expand_unop1_builtin): Likewise.
 859         (ix86_expand_sse_compare): Likewise.
 860         (ix86_expand_sse_comi): Likewise.
 861         (ix86_expand_vec_init_builtin): Likewise.
 862         (ix86_expand_vec_ext_builtin): Likewise.
 863         (ix86_expand_vec_set_builtin): Likewise.
 864         (ix86_expand_builtin): Use new CALL_EXPR accessors.
 865
 866         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
 867         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
 868
 869         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
 870         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
 871         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
 872
 873         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
 874         build_call_expr.
 875         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
 876         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
 877         arglist.  Use new CALL_EXPR accessors.  Fix callers.
 878         (altivec_expand_abs_builtin): Likewise.
 879         (rs6000_expand_binop_builtin): Likewise.
 880         (altivec_expand_predicate_builtin): Likewise.
 881         (altivec_expand_lv_builtin): Likewise.
 882         (spe_expand_stv_builtin): Likewise.
 883         (altivec_expand_stv_builtin): Likewise.
 884         (rs6000_expand_ternop_builtin): Likewise.
 885         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
 886         (altivec_expand_st_builtin): Likewise.
 887         (altivec_expand_dst_builtin): Likewise.
 888         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
 889         arglist.  Use new CALL_EXPR accessors.  Fix callers.
 890         (altivec_expand_vec_set_builtin): Likewise.
 891         (altivec_expand_vec_ext_builtin): Likewise.
 892         (altivec_expand_builtin): Use new CALL_EXPR accessors.
 893         (spe_expand_builtin): Likewise.
 894         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
 895         arglist.  Use new CALL_EXPR accessors.  Fix callers.
 896         (spe_expand_evsel_builtin): Likewise.
 897         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
 898         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
 899
 900         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
 901         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
 902         (arm_expand_unop_builtin): Likewise.
 903         (arm_expand_builtin): Use new CALL_EXPR accessors.
 904
 905         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
 906         accessors.
 907
 908         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
 909         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
 910         (bfin_expand_unop_builtin): Likewise.
 911         (bfin_expand_builtin): Use new CALL_EXPR accessors.
 912
 913 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
 914             Brooks Moses  <brooks.moses@codesourcery.com>
 915             Lee Millward  <lee.millward@codesourcery.com>
 916
 917         * c-semantics.c (build_stmt): Add internal diagnostic check.
 918
 919         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
 920         accessors.  Print arguments explicitly instead of as a list.
 921
 922         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
 923
 924         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
 925         (c_finish_omp_flish): Likewise.
 926
 927         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
 928         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
 929         instead of TREE_CODE_LENGTH.
 930         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
 931         (c_warn_unused_result): Likewise.
 932
 933 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 934
 935         PR c/26494
 936         * doc/invoke.texi (Warning Options): Remove
 937         -Werror-implicit-function-declaration.
 938         (Wimplicit-function-declaration): Update description.
 939         * opts.c (common_handle_option): Move handling of -Werror=* to...
 940         (enable_warning_as_error): ...here.
 941         * opts.h (enable_warning_as_error): Declare.
 942         * c-decl.c (implicit_decl_warning): Unless
 943         -Wno-implicit-function-declaration is given, emit a pedwarn if
 944         -std=c99 or emit a warning if -Wimplicit-function-declaration.
 945         * c.opt (Wimplicit-function-declaration): Replace
 946         mesg_implicit_function_declaration with
 947         warn_implicit_function_declaration.
 948         * c-opts.c (c_common_handle_option):
 949         -Werror-implicit-function-declaration is exactly equal as
 950         -Werror=implicit-function-declaration.
 951         (set_Wimplicit): Replace mesg_implicit_function_declaration with
 952         warn_implicit_function_declaration.
 953         (c_common_post_options): -Wimplict-function-declaration is enabled
 954         by default by -std=c99, otherwise is disabled by default.
 955         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
 956
 957 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
 958
 959         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
 960         DECL on the rhs to a DECL on the lhs for debug info purposes if the
 961         former is ignored but not the latter.
 962
 963 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
 964
 965         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
 966         is made and the reference doesn't use the alias set of its type,
 967         do not create the temporary using that type.
 968
 969 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
 970
 971         * jump.c: Remove prototypes for delete_computation and
 972         delete_prior_computation.
 973
 974 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
 975
 976         * jump.c (get_label_after): Delete.
 977         (get_label_before, delete_computation, delete_jump,
 978         delete_prior_computation, follow_jumps): Move...
 979         * reorg.c (delete_computation, delete_prior_computation): ... here...
 980         (get_label_before, delete_jump): ... making these static ...
 981         (follow_jumps): ... and simplifying this since it only runs after
 982         reload.
 983         * rtl.h (get_label_after, get_label_before, delete_jump,
 984         follow_jumps): Delete prototypes.
 985
 986 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
 987
 988         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
 989
 990 2007-02-15  Nick Clifton  <nickc@redhat.com>
 991
 992         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
 993         order to prevent it from being munged by the target.
 994
 995 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
 996
 997         * config/i386/i386.md: Remove misleading comment.
 998
 999 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1000
1001         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
1002         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
1003         invalid patterns.
1004
1005 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1006
1007         * tree-sra.c (instantiate_missing_elements): Canonicalize
1008         bit-field types.
1009         (sra_build_assignment): New.
1010         (generate_copy_inout, generate_element_copy,
1011         generate_element_zero, generate_one_element_init): Use it.
1012
1013 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1014
1015         * tree-sra.c (instantiate_missing_elements): Canonicalize
1016         bit-field types.
1017         (sra_build_assignment): New.
1018         (generate_copy_inout, generate_element_copy,
1019         generate_element_zero, generate_one_element_init): Use it.
1020
1021 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1022
1023         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
1024         limbo die nodes.
1025
1026 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
1027
1028         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
1029         types as aggregates not scalars.
1030         * function.c (assign_stack_temp_for_type): Likewise.
1031
1032 2007-02-14  Roger Sayle  <roger@eyesopen.com>
1033             Zdenek Dvorak  <dvorakz@suse.cz>
1034
1035         * tree-dump.c (dump_switch_p_1): Require exact match of the option
1036         name.
1037
1038 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
1039
1040         * passes.c (next_pass_1): Clear the next field of the copied
1041         pass structure.
1042
1043 2007-02-14  Richard Henderson  <rth@redhat.com>
1044
1045         * tree-sra.c (early_sra): New.
1046         (decl_can_be_decomposed_p): Deny va_list if early_sra.
1047         (tree_sra_early, pass_sra_early): New.
1048         * tree-pass.h (pass_sra_early): Declare.
1049         * passes.c (init_optimization_passes): Use it.
1050
1051 2007-02-14  Richard Guenther  <rguenther@suse.de>
1052
1053         * flags.h (issue_strict_overflow_warning): Convert to a macro.
1054
1055 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
1056
1057          PR tree-optimization/30771
1058         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
1059         also phi nodes.
1060         (vect_analyze_operations): Induction phis can now be marked as
1061         used_in_loop.
1062         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
1063         Update documentation accordingly.
1064
1065 2007-02-14  Nick Clifton  <nickc@redhat.com>
1066
1067         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
1068         most 3 arguments are supported.
1069         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
1070
1071 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
1072
1073         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
1074         Ensure dst->current is valid.
1075
1076 2007-02-13  Paul Brook  <paul@codesourcery.com>
1077
1078         * config.gcc: Add arm*-*-uclinux-*eabi.
1079         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
1080         (SUBTARGET_EXTRA_LINK_SPEC): Define.
1081         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
1082         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
1083         (LINK_SPEC): Define.
1084         (LIB_SPEC): Define.
1085         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
1086         register.
1087         * config/arm/uclinux-eabi.h: New file.
1088         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
1089         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
1090         based targets.
1091
1092 2007-02-13  Ian Lance Taylor  <iant@google.com>
1093
1094         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
1095         * flags.h (warn_strict_overflow): Declare.
1096         (enum warn_strict_overflow_code): Define.
1097         (issue_strict_overflow_warning): New static inline function.
1098         * opts.c (warn_strict_overflow): New variable.
1099         (common_handle_option): Handle OPT_Wstrict_overflow and
1100         OPT_Wstrict_overflow_.
1101         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
1102         OPT_Wall.
1103         * fold-const.c: Include intl.h.
1104         (fold_deferring_overflow_warnings): New static variable.
1105         (fold_deferred_overflow_warning): New static variable.
1106         (fold_deferred_overflow_code): New static variable.
1107         (fold_defer_overflow_warnings): New function.
1108         (fold_undefer_overflow_warnings): New function.
1109         (fold_undefer_and_ignore_overflow_warnings): New function.
1110         (fold_deferring_overflow_warnings_p): New function.
1111         (fold_overflow_warning): New static function.
1112         (make_range): Add strict_overflow_p parameter.  Change all
1113         callers.
1114         (extract_muldiv, extract_muldiv_1): Likewise.
1115         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
1116         tree_expr_nonnegative_p.
1117         (fold_negate_expr): Call fold_overflow_warning.
1118         (fold_range_test): Likewise.
1119         (fold_comparison): Likewise.
1120         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
1121         instead of tree_expr_nonnegative_p.
1122         (tree_expr_nonnegative_warnv_p): Rename from
1123         tree_expr_nonnegative_p, add strict_overflow_p parameter.
1124         (tree_expr_nonnegative_p): New function.
1125         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
1126         strict_overflow_p parameter.
1127         (tree_expr_nonzero_p): New function.
1128         * passes.c (verify_interpass_invariants): New static function.
1129         (execute_one_pass): Call it.
1130         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
1131         warnings.
1132         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
1133         (estimate_numbers_of_iterations): Likewise.
1134         (scev_probably_wraps_p): Likewise.
1135         * tree-ssa-ccp.c: Include "toplev.h".
1136         (evaluate_stmt): Defer fold overflow warnings until we know we are
1137         going to optimize.
1138         (struct fold_stmt_r_data): Add stmt field.
1139         (fold_stmt_r): Defer fold overflow warnings until we know we
1140         optimized.
1141         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
1142         (fold_stmt_inplace): Likewise.
1143         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
1144         (cleanup_control_expr_graph): Defer fold overflow warnings until
1145         we know we are going to optimize.
1146         * tree-cfg.c (fold_cond_expr_cond): Likewise.
1147         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
1148         Likewise.
1149         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
1150         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
1151         * tree-ssa-loop-manip.c (create_iv): Likewise.
1152         * c-typeck.c (build_conditional_expr): Likewise.
1153         (build_binary_op): Likewise.
1154         * tree-vrp.c (vrp_expr_computes_nonzero): Call
1155         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
1156         (extract_range_from_unary_expr): Likewise.
1157         * simplify-rtx.c (simplify_const_relational_operation): Warn when
1158         assuming that signed overflow does not occur.
1159         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
1160         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
1161         (fold_defer_overflow_warnings): Declare.
1162         (fold_undefer_overflow_warnings): Declare.
1163         (fold_undefer_and_ignore_overflow_warnings): Declare.
1164         (fold_deferring_overflow_warnings_p): Declare.
1165         (tree_expr_nonzero_warnv_p): Declare.
1166         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
1167         of warning options.
1168         (Warning Options): Document -Wstrict-overflow.
1169         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
1170         (tree-ssa-ccp.o): Likewise.
1171         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
1172         (fold-const.o): Depend on intl.h.
1173
1174 2007-02-13  Ian Lance Taylor  <iant@google.com>
1175
1176         PR middle-end/30751
1177         * lower-subreg.c (resolve_simple_move): Decompose subregs in
1178         addresses.
1179
1180 2007-02-13  Stuart Hastings  <stuart@apple.com>
1181
1182         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
1183
1184 2007-02-13  Richard Henderson  <rth@redhat.com>
1185
1186         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
1187         handled_component_p before looking for the indirect_ref.
1188
1189 2007-02-13  Richard Henderson  <rth@redhat.com>
1190
1191         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
1192         remove flags clobber.
1193         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
1194         (bswaphi_lowpart): New.
1195         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
1196         remove TARGET_BSWAP test.  Delete expander of the same name.
1197
1198         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
1199         (expand_unop): Use them.
1200
1201 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
1202
1203         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
1204         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
1205         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
1206         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
1207         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
1208         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
1209         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
1210         assembler dialect choice from asm templates.
1211
1212 2007-02-12  Richard Henderson  <rth@redhat.com>
1213
1214         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
1215         (fixuns_trunc<SSEMODEF>si2): Use it.
1216         * config/i386/sse.md (vec_setv4sf_0): Export.
1217         * config/i386/i386.c (ix86_build_const_vector): Export.
1218         (ix86_split_convert_uns_si_sse): Rename from
1219         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
1220         * config/i386/i386-protos.h: Update.
1221
1222 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1223
1224         PR c/29521
1225         * c-typeck.c (c_finish_return): Improve warning message.
1226
1227 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1228
1229         * alias.c (find_symbolic_term): Delete unused function.
1230
1231 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
1232
1233         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
1234         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
1235         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
1236
1237 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1238
1239         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
1240         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
1241         the function, temporarily point the debug interface to the null one.
1242
1243 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1244
1245         * dwarf2out.c (round_up_to_align): New static function.
1246         (field_byte_offset): Use it to round the offset.
1247
1248 2007-02-12  Richard Henderson  <rth@redhat.com>
1249
1250         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
1251         (inswl_const): Export.
1252
1253 2007-02-12  Richard Henderson  <rth@redhat.com>
1254
1255         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
1256         result mode of the libcall, convert back to outmode.
1257
1258 2007-02-12  Roger Sayle  <roger@eyesopen.com>
1259
1260         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
1261         (bswapdi2): New define_expand to implement 32-bit implementation.
1262
1263 2007-02-12  Nick Clifton  <nickc@redhat.com>
1264
1265         * doc/invoke.texi (Overall Options): Document --help=.
1266         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
1267         (cc1_options): Pass --help= on to cc1.
1268         (display_help): Add description of --help=.
1269         (process_command): Add code to handle --help=.  Allow translated
1270         --help and --target-help switches to be passed on to compiler
1271         sub-process.
1272         (main): Remove unused if statement.
1273         * opts.c (columns): Remove.
1274         (LEFT_COLUMN): Define.
1275         (wrap_help): Add columns argument.
1276         (print_filtered_help): Change parameters to be an include bitmask,
1277         an exclude bitmask, an any bitmask and the column width.  Move the
1278         code to display the params list here.  Add code to display the
1279         status of options rather than their descriptions if the quiet flag
1280         is not active.
1281         (print_specific_help): Change parameters to be an include bitmask,
1282         an exclude bitmask and an any bitmask.  Move code to look up the
1283         column width here.  Decide upon the title for an options listing.
1284         (common_handle_options): Add code to handle --help=.  Adapt code
1285         for --help and --target-help to use the revised form of the
1286         print_specific_help function.
1287         (print_help): Delete.
1288         (print_param_help): Delete.
1289         (print_switch): Delete.
1290         * opts.h (cl_lang_count): Add prototype.
1291         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
1292         CL_MAX_OPTION_CLASS): New defines.
1293         * optc-gen.awk: Add construction of cl_lang_count.
1294         * c.opt: Add Warning attribute to warning options and Optimization
1295         attribute to optimization options.
1296         * common.opt: Likewise.
1297         Add --help=.
1298         Add -fhelp and -ftarget-help as aliases for the transformed --help
1299         and --target-help options.
1300         * opt-functions.awk: Add code to handle Warning and Optimization
1301         attributes.
1302
1303 2007-02-12  Richard Henderson  <rth@redhat.com>
1304
1305         * config/alpha/constraints.md: New file.
1306         * config/alpha/alpha.c: Include tm-constrs.h.
1307         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
1308         alpha_extra_constraint): Remove.
1309         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
1310         * config/alpha/alpha-protos.h: Update.
1311         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
1312         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
1313         (EXTRA_CONSTRAINT): Remove.
1314         * config/alpha/alpha.md: Include constraints.md.
1315         (adddi splitter): Use satisfies_constraint_*.
1316         * config/alpha/predicates.md (add_operand): Likewise.
1317         (sext_add_operand, addition_operation): Likewise.
1318
1319 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
1320
1321         PR tree-optimization/29145
1322         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
1323         in our handling of restrict qualified pointers.
1324
1325 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1326
1327         PR middle-end/7651
1328         * doc/invoke.texi (Wunused-value): Update description.
1329         (Wextra): Delete item.
1330         * opts.c (set_Wextra): Don't use the value of Wextra to set the
1331         value of Wunused-value.
1332         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
1333         (c_finish_stmt_expr): Don't check extra_warnings.
1334         (emit_side_effect_warnings): The caller is responsible to check
1335         warn_unused_value.
1336
1337 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1338             Matt Thomas  <matt@3am-software.com>
1339
1340         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
1341
1342 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1343
1344         * simplify-rtx.c (simplify_relational_operation_1): Optimize
1345         comparisons of POPCOUNT against zero.
1346         (simplify_const_relational_operation): Likewise.
1347
1348 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1349
1350         * doc/invoke.texi (Wextra): Delete outdated paragraph.
1351
1352 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1353
1354         * dwarf2out.c (root_type): Delete unused function.
1355
1356 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1357
1358         * genattrtab.c (contained_in_p): Delete unused function.
1359         (write_expr_attr_cache): Likewise.
1360
1361 2007-02-11  Jan Hubicka  <jh@suse.cz>
1362
1363         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
1364         previous patch.
1365
1366 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
1367
1368         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
1369         to add the REG_EQ* note.
1370         * see.c (see_merge_one_use_extension): Likewise.
1371         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
1372         turn REG_EQUAL notes into REG_EQUIV notes if the target
1373         register may have more than one set.
1374         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
1375         * gcse.c (try_replace_reg): Likewise.
1376         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
1377         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
1378         more than one REG_EQUIV note.
1379         * reload1.c (gen_reload): Use set_unique_reg_note.
1380
1381 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
1382
1383         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
1384         (ix86_builtin_conversion): New function.
1385
1386 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
1387
1388         PR target/29487
1389         * tree.h (DECL_REPLACEABLE_P): New macro.
1390         * except.c (set_nothrow_function_flags): Likewise.
1391
1392 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
1393             Ira Rosen  <irar@il.ibm.com>
1394             Dorit Nuzman  <dorit@il.ibm.com>
1395
1396         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
1397         * targhooks.c (default_builtin_vectorized_conversion): New.
1398         * targhooks.h (default_builtin_vectorized_function): New declaration.
1399         * target.h (struct vectorize): Add builtin_conversion field.
1400         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
1401         stmt_vec_info_type value.
1402         (vectorizable_conversion): New declaration.
1403         * tree-vect-analyze.c (vect_analyze_operations): Add
1404         vectorizable_conversion call.
1405         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
1406         * tree-vect-transform.c (vectorizable_conversion): New function.
1407         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
1408         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1409         mode.
1410         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
1411         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
1412         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
1413         or ALTIVEC_BUILTIN_VCFSX.
1414
1415 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1416
1417         PR target/30634
1418         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
1419         CONST_DOUBLE and operand 0 is a hard register.
1420         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
1421         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
1422         is a hard floating-point register.
1423
1424 2007-02-10  Richard Henderson  <rth@redhat.com>
1425             Jakub Jelinek  <jakub@redhat.com>
1426             Alexandre Oliva  <aoliva@redhat.com>
1427
1428         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
1429         * builtin-types.def (BT_WORD): Make unsigned.
1430         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1431         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1432         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1433         * c-decl.c (grokdeclarator): Don't error if !have_tls.
1434         * c-parser.c (c_parser_omp_threadprivate): Likewise.
1435         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1436         emulated tls.
1437         * expr.c (emutls_var_address): New.
1438         (expand_expr_real_1): Expand emulated tls.
1439         (expand_expr_addr_expr_1): Likewise.
1440         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1441         * output.h (emutls_finish): Declare.
1442         * toplev.c (compile_file): Call it.
1443         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1444         address before wrapping in CONST.
1445         * varasm.c (emutls_htab, emutls_object_type): New.
1446         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1447         (get_emutls_object_name, get_emutls_object_type): New.
1448         (get_emutls_init_templ_addr, emutls_decl): New.
1449         (emutls_common_1, emutls_finish): New.
1450         (assemble_variable): When emulating tls, swap decls; generate
1451         constructor for the emutls objects.
1452         (do_assemble_alias): When emulating tls, swap decl and target name.
1453         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1454         for emulated tls.
1455         * varpool.c (decide_is_variable_needed): Look at force_output.
1456         Recurse for emulated tls.
1457         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
1458         with decide_is_variable_needed.
1459         * emutls.c: New file.
1460         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1461         tls_object for real tls.
1462
1463 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
1464
1465         PR rtl-optimization/29599
1466         * reload1.c (eliminate_regs_in_insn): Take the destination
1467         mode into account when computing the offset.
1468
1469 2007-02-09  Stuart Hastings  <stuart@apple.com>
1470             Richard Henderson  <rth@redhat.com>
1471
1472         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
1473         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
1474         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
1475         fixuns_truncdfhi2): New.
1476         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
1477         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
1478         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
1479         (floatunssidf2): Allow nonimmediate source.
1480         * gcc/config/i386/sse.md (movdi_to_sse): New.
1481         (vec_concatv2di): Drop '*'.
1482         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
1483         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
1484         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
1485         New.
1486         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
1487         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
1488         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
1489         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
1490         (ix86_build_signbit_mask): Fix decl of v, refactor to call
1491         ix86_build_const_vector.
1492         (x86_emit_floatuns): Rewrite.
1493
1494 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1495
1496         * genautomata.c (longest_path_length): Delete unused function.
1497         (struct state): Delete unused longest_path_length.
1498         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
1499         (get_free_state): Delete unused.
1500
1501 2007-02-09  Jan Hubicka  <jh@suse.cz>
1502
1503         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
1504         * doc/invoke.texi (inline-unit-growth): Update default value.
1505
1506         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
1507         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
1508         (rebuild_cgraph_edges): Likewise.
1509         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
1510         (dump_cgraph_node): Dump frequencies.
1511         (cgraph_clone_edge): Add frequency scales.
1512         (cgraph_clone_node): Add freuqnecy.
1513         * cgraph.h (cgraph_edge): Add freuqnecy argument.
1514         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
1515         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
1516         * tree-pass.h (TODO_rebuild_frequencies): New constant.
1517         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
1518         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
1519         (save_inline_function_body): Likewise.
1520         * ipa-inline.c: inluce rtl.h
1521         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
1522         (cgraph_edge_badness): Use frequencies.
1523         (cgraph_decide_recursive_inlining): Update clonning.
1524         (cgraph_decide_inlining_of_small_function): Dump frequency.
1525         * predict.c (estimate_bb_frequencies): Export.
1526         * predict.h (estimate_bb_frequencies): Declare.
1527         * tree-inline.c (copy_bb): Watch overflows.
1528         (expand_call_inline): Update call of cgraph_create_edge.
1529         (optimize_inline_calls): Use TODO flags to update frequnecies.
1530         * passes.h: Include predict.h
1531         (init_optimization_passes): Move profile ahead.
1532         (execute_function_todo): Handle TODO_rebuild_frequencies.
1533
1534 2007-02-09  Roger Sayle  <roger@eyesopen.com>
1535
1536         * config/alpha/alpha.c (emit_insxl): Force the first operand of
1537         the insbl or inswl pattern into a register.
1538
1539 2007-02-09  Roger Sayle  <roger@eyesopen.com>
1540
1541         * config/ia64/ia64.md (bswapdi2): New define_insn.
1542
1543 2007-02-09  Richard Henderson  <rth@redhat.com>
1544
1545         * config/i386/constraints.md (Ym): New constraint.
1546         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
1547         (movdi_1_rex64): Split sse and xmm general register moves from
1548         memory move alternatives.  Use conditional register constraints.
1549         (movsf_1, movdf_integer): Likewise.
1550         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
1551         (movdf_integer_rex64): New.
1552         (pushsf_rex64): Fix output constraints.
1553         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
1554         (sse2_stored): Likewise.
1555         (sse2_storeq_rex64): New.
1556         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
1557         amd and not generic.
1558         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
1559         for optimize_size.  Remove SF/DFmode hack.
1560
1561 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
1562
1563         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
1564         (bit_SSE4a): New.
1565
1566 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
1567             Richard Sandiford  <richard@codesourcery.com>
1568
1569         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
1570         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
1571         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
1572         m68k/t-mlib to tmake_file.
1573         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
1574         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
1575         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
1576         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
1577         variable is not empty, add t-$m68k_arch_family to tmake_file.
1578         Add t-mlibs to tmake_file.
1579         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
1580         * config/m68k/t-cf: New file.
1581         * config/m68k/t-m68k: Likewise.
1582         * config/m68k/t-mlibs: Likewise.
1583         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1584         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1585         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
1586         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1587         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
1588         Delete.
1589         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
1590         (INSTALL_LIBGCC): Delete.
1591         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
1592         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1593         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1594         (M68K_MLIB_CPU): Define.
1595         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1596         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1597         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
1598
1599 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
1600             Richard Guenther  <rguenther@suse.de>
1601
1602         PR middle-end/23361
1603         * fold-const.c (fold_comparison): Handle obfuscated comparisons
1604         against INT_MIN/INT_MAX.
1605         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
1606         file if a loop is removed.
1607
1608 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
1609
1610         * calls.c (store_one_arg): Pass correct alignment to
1611         emit_push_insn for non-BLKmode values.
1612         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
1613         unaligned stack slot via a suitably aligned slot.
1614
1615 2007-02-08  DJ Delorie  <dj@redhat.com>
1616
1617         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
1618         warnings.
1619         (legal_subregs): Use unsigned char, make const.
1620         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
1621
1622 2007-02-08  Paul Brook  <paul@codesourcery.com>
1623
1624         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
1625         special interworking needed.
1626
1627 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
1628
1629         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
1630         conditional to __SSE2__.
1631         (Entries below should have been added to first ChangeLog
1632         entry for amdfam10 dated 2007-02-05)
1633         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
1634         defined.
1635         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
1636         defined.
1637         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
1638         defined.
1639
1640 2007-02-08  DJ Delorie  <dj@redhat.com>
1641
1642         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
1643         * config/m32c/m32c.c (legal_subregs): New.
1644         (m32c_illegal_subreg_p): New.
1645         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
1646         unsupported subregs of hard regs.
1647
1648 2007-02-08  Jan Hubicka  <jh@suse.cz>
1649
1650         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
1651         the same one; always update histograms.
1652
1653 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
1654
1655         * passes.c (init_optimization_passes): Tidy comment.
1656
1657 2007-02-08  Roger Sayle  <roger@eyesopen.com>
1658
1659         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
1660         strip zero_extend, bswap and rotates from POCOUNT's argument.
1661         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
1662         zero_extend and rotates from PARITY's argument.
1663         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
1664         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
1665         of an integer constant at compile-time.
1666
1667 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
1668
1669         PR 30562
1670         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
1671         Update all users.
1672         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
1673         users.
1674         (init_alias_info):
1675         * tree-ssa-live.c (remove_unused_locals): Do not remove
1676         TREE_ADDRESSABLE variables.
1677         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
1678         * tree-ssa-operands.c (add_virtual_operand): Remove argument
1679         FOR_CLOBBER.  Update all users.
1680         If VAR has an associated alias set, add a virtual operand for
1681         it if no alias is found to conflict with the memory reference.
1682
1683 2007-02-07  Jan Hubicka  <jh@suse.cz>
1684             Robert Kidd <rkidd@crhc.uiuc.edu>
1685
1686         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
1687
1688 2007-02-07  Ian Lance Taylor  <iant@google.com>
1689
1690         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
1691
1692 2007-02-07  Roger Sayle  <roger@eyesopen.com>
1693
1694         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
1695         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
1696         tablejumpdi, movsi_to_cr_one): Remove constraints from
1697         define_expand's match_operands.
1698
1699 2007-02-07  Roger Sayle  <roger@eyesopen.com>
1700
1701         * global.c (compute_regsets): Move declatation of "i" inside of
1702         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
1703
1704 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
1705
1706         PR c++/30703
1707         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
1708         of INDIRECT_REF <RESULT_DECL>.
1709
1710         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
1711
1712 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
1713             Kaz Kojima  <kkojima@gcc.gnu.org>
1714
1715         PR target/29746
1716         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
1717         properly.
1718         (sh_initialize_trampoline): Add parentheses to avoid a warning.
1719
1720 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
1721
1722         * doc/loop.texi: Document possibility not to perform disambiguation
1723         of loops with multiple latches.
1724         * cfgloopmanip.c (alp_enum_p): Removed.
1725         (add_loop): Handle subloops.  Use get_loop_body_with_size.
1726         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
1727         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
1728         the new forwarder block.
1729         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
1730         Handle the case latch is NULL.
1731         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
1732         when marking loop exits.
1733         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
1734         be modified.
1735         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
1736         disambiguate_loops_with_multiple_latches.
1737         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
1738         before fix_loop_structure.
1739         * cfgloop.c: Include pointer-set.h and output.h.
1740         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
1741         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
1742         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
1743         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
1744         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
1745         disambiguate_multiple_latches, get_loop_body_with_size,
1746         disambiguate_loops_with_multiple_latches): New functions.
1747         (flow_loop_dump): Dump multiple latch edges.
1748         (flow_loop_nodes_find): Handle loops with multiple latches.
1749         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
1750         (glb_enum_p): Modified.
1751         (get_loop_body): Use get_loop_body_with_size.
1752         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
1753         (AVOID_CFG_MODIFICATIONS): New constant.
1754         (disambiguate_loops_with_multiple_latches, add_loop,
1755         get_loop_body_with_size): Declare.
1756         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
1757
1758 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
1759
1760         PR inline-asm/28686
1761         * global.c (compute_regsets): New function.
1762         (global_alloc): Refactored ELIMINABLE_REGSET
1763         and NO_GLOBAL_ALLOC_REGS computation out.
1764         (rest_of_handle_global_alloc): Call compute_regsets()
1765         for non-optimizing case.
1766
1767 2007-02-06  Richard Henderson  <rth@redhat.com>
1768
1769         * config/i386/constraints.md (Y2): Rename from Y.
1770         (Yi): New constraint.
1771         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
1772         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
1773         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
1774         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
1775         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
1776         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
1777         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
1778         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
1779         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
1780         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
1781         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
1782         vec_extractv2si_1): Change Y constraints to Y2.
1783         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
1784         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
1785         Change Y constraints to Y2.
1786         (sse2_loadld): Change Y constraints to x.
1787
1788 2007-02-06  Roger Sayle  <roger@eyesopen.com>
1789
1790         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
1791         (parity<mode>2): New define_expand using rs6000_emit_parity.
1792         * config/rs6000/rs6000.c (rs6000_emit_popcount,
1793         rs6000_emit_parity): New functions.
1794         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
1795         rs6000_emit_parity): Prototype here.
1796
1797 2007-02-06  Ian Lance Taylor  <iant@google.com>
1798
1799         * lower-subreg.c (simple_move_operand): Reject CONST.
1800         (resolve_clobber): Call validate_change rather than directly
1801         assigning to XEXP (pat, 0).
1802
1803 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
1804
1805         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
1806         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
1807         (tree-cfg.o): Remove hashtab.h dependency.
1808
1809         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
1810         (struct ivopts_data): Change niters to pointer_map_t.
1811         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
1812         (niter_for_exit): Create pointer_map on demand.  Change for
1813         pointer_map API.
1814         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
1815         (free_loop_data): Destroy data->niters if created and reset field.
1816         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
1817         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
1818
1819         * tree-ssa-reassoc.c: Include pointer-set.h.
1820         (bb_rank): Change to long *.
1821         (operand_rank): Change to pointer_map_t.
1822         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
1823         (insert_operand_rank): Accept long.
1824         (operand_entry_hash, operand_entry_eq): Remove.
1825         (get_rank): Return long.  Adjust for changes above.
1826         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
1827         and operand_rank.
1828         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
1829
1830         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
1831         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
1832         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
1833         is not NULL.
1834         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
1835         directly since it cannot be NULL.
1836         (get_vi_for_tree): Rewrite for pointer_map API.
1837         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
1838         (init_alias_vars): Create vi_for_tree as pointer_map.
1839         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
1840
1841         * tree-cfg.c: Don't include hashtab.h.
1842         (edge_to_cases): Declare as pointer_map.
1843         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
1844         Delete.
1845         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
1846         (start_recording_case_labels): Create edge_to_cases as pointer_map.
1847         (end_recoding_case_labels): Cleanup edge_to_cases manually before
1848         destroying it.
1849         (record_switch_edge): Delete.
1850         (get_cases_for_edge): Adjust for pointer_map API, inline
1851         record_switch_edge (rewritten for new API), remove goto.
1852
1853 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
1854
1855         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
1856         * tree-nested.c: Include pointer-set.h.
1857         (var_map_elt, var_map_eq, var_map_hash): Delete.
1858         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
1859         to pointer_map_t's.
1860         (nesting_info_bitmap_obstack): New.
1861         (lookup_field_for_decl): Adjust for pointer_map API.
1862         (lookup_tramp_for_decl): Adjust for pointer_map API.
1863         (get_nonlocal_debug_decl): Adjust for pointer_map API.
1864         (get_local_debug_decl): Adjust for pointer_map API.
1865         (convert_nl_goto_reference): Adjust for pointer_map API.
1866         (convert_nl_goto_receiver): Adjust for pointer_map API.
1867         (create_nesting_tree): Create outside GGC space.  Create bitmap on
1868         the new obstack.  Create field_map and var_map as pointer_maps.
1869         (free_nesting_tree): Adjust for changes to create_nesting_tree.
1870         (root): Delete.
1871         (lower_nested_functions): Move root here, no need to NULL it.
1872         Initialize and release the obstack.
1873
1874 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
1875
1876         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
1877         Remove prototypes and make them non-static.
1878         (struct tree_int_map): Remove.
1879         * tree.h (struct tree_int_map): Move here, turning TO into an
1880         unsigned int.
1881         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
1882
1883         * tree.h (TREE_COMPLEXITY): Remove.
1884         (struct tree_exp): Remove complexity field.
1885         * tree.c (build1_stat): Don't set it.
1886
1887 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
1888             Victor Kaplansky  <victork@il.ibm.com>
1889
1890         * tree-vectorizer.c (vect_is_simple_use): Support induction.
1891         (vect_is_simple_reduction): Support reduction with induction as
1892         one of the operands.
1893         (vect_is_simple_iv_evolution): Fix formatting.
1894         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
1895         formatting.  Don't mark induction phis for vectorization.
1896         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
1897         * tree-vect-transform.c (get_initial_def_for_induction): New function.
1898         (vect_get_vec_def_for_operand): Support induction.
1899         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
1900         induction case.
1901         (vectorizable_reduction): Support reduction with induction as one of
1902         the operands.
1903         (vectorizable_type_demotion): Use def-type of stmt argument rather
1904         than dummy def-type.
1905
1906         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
1907         flag_tree_scev_cprop.
1908         * common.opt (tree-scev-cprop): New flag.
1909
1910         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
1911         call to vect_get_new_vect_var.
1912
1913 2007-02-06  Ira Rosen  <irar@il.ibm.com>
1914
1915         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
1916         vectype is not NULL.
1917         (vect_pattern_recog_1): Likewise.
1918
1919 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1920
1921         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
1922         (fold_negate_expr): Likewise.
1923
1924 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
1925
1926         PR debug/30189
1927         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
1928         even if cv-qualification is the same.
1929
1930 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
1931
1932         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
1933         __enable_execute_stack on completion.
1934
1935 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
1936
1937         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
1938         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
1939         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
1940         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
1941         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
1942         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
1943         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
1944         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
1945
1946 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
1947
1948         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
1949         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
1950         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
1951         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
1952         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
1953         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
1954         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
1955         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
1956         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
1957         umuldi3_highpart_rex64, umulsi3_highpart_insn,
1958         umulsi3_highpart_zext, smuldi3_highpart_rex64,
1959         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
1960         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
1961         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
1962         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
1963         sqrtextenddfxf2_i387): Added amdfam10_decode.
1964
1965         * config/i386/athlon.md (athlon_idirect_amdfam10,
1966         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
1967         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
1968         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
1969         athlon_ivector_store_amdfam10): New define_insn_reservation.
1970         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
1971         amdfam10.
1972
1973 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
1974
1975         * config/i386/athlon.md (athlon_call_amdfam10,
1976         athlon_pop_amdfam10, athlon_lea_amdfam10): New
1977         define_insn_reservation.
1978         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
1979         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
1980         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
1981
1982 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
1983
1984         * config/i386/athlon.md (athlon_sseld_amdfam10,
1985         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
1986         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
1987
1988 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
1989
1990         * config/i386/athlon.md (athlon_sseins_amdfam10): New
1991         define_insn_reservation.
1992         * config/i386/i386.md (sseins): Added sseins to define_attr type
1993         and define_attr unit.
1994         * config/i386/sse.md: Set type attribute to sseins for insertq
1995         and insertqi.
1996
1997 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
1998
1999         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
2000         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
2001         ssecomi_load_amdfam10, ssecomi_amdfam10,
2002         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
2003         define_insn_reservation.
2004         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
2005
2006 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2007
2008         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
2009         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
2010         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
2011         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
2012         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
2013         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
2014         define_insn_reservation.
2015
2016         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
2017         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
2018         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
2019         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
2020         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
2021
2022 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2023
2024         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
2025         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
2026         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
2027         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
2028         athlon_ssemul_load_k8): Added amdfam10.
2029
2030 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2031
2032         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
2033         (x86_sse_unaligned_move_optimal): New variable.
2034
2035         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
2036         m_AMDFAM10.
2037         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
2038         for unaligned vector SSE double/single precision loads for AMDFAM10.
2039
2040 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2041
2042         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
2043         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
2044         Define TARGET_CPU_DEFAULT_amdfam10.
2045         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
2046         (processor_type): Add PROCESSOR_AMDFAM10.
2047
2048         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
2049         processor_type in config/i386/i386.h.
2050         Enable imul peepholes for TARGET_AMDFAM10.
2051
2052         * config.gcc: Add support for --with-cpu option for amdfam10.
2053
2054         * config/i386/i386.c (amdfam10_cost): New variable.
2055         (m_AMDFAM10): New macro.
2056         (m_ATHLON_K8_AMDFAM10): New macro.
2057         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2058         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
2059         x86_promote_QImode, x86_integer_DFmode_moves,
2060         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2061         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
2062         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
2063         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
2064         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
2065         Enable/disable for amdfam10.
2066         (override_options): Add amdfam10_cost to processor_target_table.
2067         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
2068         processor_alias_table.
2069         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
2070         (ix86_adjust_cost): Add code for amdfam10.
2071
2072 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2073
2074         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
2075         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
2076         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
2077         * config/i386/i386.h: Add builtin definition for SSE4A.
2078         * config/i386/i386.md: Add support for ABM instructions
2079         (popcnt and lzcnt).
2080         * config/i386/sse.md: Add support for SSE4A instructions
2081         (movntss, movntsd, extrq, insertq).
2082         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
2083         Add -march=amdfam10 flag.
2084         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
2085         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
2086         and amdfam10.
2087         * doc/extend.texi: Add documentation for SSE4A builtins.
2088
2089 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
2090
2091         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
2092
2093 2007-02-05  Richard Guenther  <rguenther@suse.de>
2094
2095         * tree-vectorizer.h (vectorizable_function): Add argument type
2096         argument, change return type.
2097         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
2098         * tree-vect-transform.c (vectorizable_function): Handle extra
2099         argument, return vectorized function decl.
2100         (build_vectorized_function_call): Remove.
2101         (vectorizable_call): Handle calls with result and argument types
2102         differing.  Handle loop vectorization factor correctly.
2103         * targhooks.c (default_builtin_vectorized_function): Adjust for
2104         extra argument.
2105         * targhooks.h (default_builtin_vectorized_function): Likewise.
2106         * target.h (builtin_vectorized_function): Add argument type
2107         argument.
2108         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
2109         extra argument, allow vectorizing of lrintf.
2110         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
2111         documentation of target hook.
2112
2113 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
2114
2115         PR target/30665
2116         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
2117         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
2118         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
2119
2120 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2121
2122         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
2123         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
2124         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
2125         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
2126         before canonicalizing sincos to cexpi.
2127         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
2128
2129 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2130
2131         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
2132         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
2133         (alpha_init_builtins): Use alpha_add_builtins to process tables.
2134
2135 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2136
2137         * mips-tfile.c (initialize_init_file): Correct endianness test.
2138
2139 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
2140
2141         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
2142         the 'y' constraint.
2143
2144 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2145
2146         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
2147         saves in a PARALLEL before the register assignments.
2148
2149 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2150
2151         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
2152         DWARF_FRAME_RETURN_COLUMN to be a general register.
2153         * dwarf2out.c (init_return_column_size): New function, split from...
2154         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
2155         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
2156         to be nongeneral registers.
2157         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
2158         integer registers.
2159         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
2160         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
2161
2162 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2163
2164         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
2165
2166 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2167
2168         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
2169         (remove_path): Use can_remove_branch_p and remove_branch instead
2170         of loop_delete_branch_edge.
2171         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
2172         (tree_transform_and_unroll_loop): Remove dead branches immediately.
2173         Update profile using scale_dominated_blocks_in_loop.
2174         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
2175         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
2176         (can_remove_branch_p, remove_branch): Declare.
2177         * tree-cfg.c (tree_can_remove_branch_p): New function.
2178         (tree_cfg_hooks): Add tree_can_remove_branch_p.
2179         * cfgrtl.c (rtl_can_remove_branch_p): New function.
2180         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
2181
2182 2007-02-05  Jan Hubicka  <jh@suse.cz>
2183
2184         PR middle-end/30696
2185         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
2186         nodes in cgraph, don't remove offline copy of the function.
2187
2188 2007-02-04  Jan Hubicka  <jh@suse.cz>
2189
2190         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
2191         vectors might cause maybe_lookup_element_for_expr to be called
2192         on non-sra-candidate.
2193
2194 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2195
2196         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
2197         config/bfin/bfin.md, config/bfin/predicates.md: Follow
2198         spelling conventions.
2199
2200 2007-02-04  Richard Guenther  <rguenther@suse.de>
2201
2202         PR middle-end/30636
2203         * fold-const.c (try_move_mult_to_index): Make sure to not
2204         overflow one dimension of a multi-dimensional array access.
2205
2206 2007-02-04  Jan Hubicka  <jh@suse.cz>
2207
2208         * passes.c (init_optimization_passes): Reindent.
2209
2210 2007-02-04  Jan Hubicka  <jh@suse.cz>
2211             Eric Botcazou  <ebotcazou@adacore.com>
2212
2213         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
2214         (execute_fixup_cfg): Break out the abnormal goto code.
2215         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
2216         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
2217         (optimize_inline_calls): Call make_nonlocal_label_edges.
2218
2219 2007-02-04  Jan Hubicka  <jh@suse.cz>
2220
2221         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
2222         true when something was changed.
2223         (rename_ssa_copies): When something was changed, do
2224         TODO_remove_unused_locals.
2225         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
2226         add TODO_remove_unused_locals when instruction was removed.
2227
2228 2007-02-04  Jan Hubicka  <jh@suse.cz>
2229
2230         * ipa-inline.c (try_inline): Improve debug output; work on already
2231         inline edges too.
2232         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
2233         call try_inline for already inlined edges too when flattening;
2234         inline also functions that make callee growth but overall unit size
2235         reduce.
2236
2237 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2238
2239         * config/m32c/bitops.md, config/m32c/jump.md,
2240         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
2241         config/m32r/m32r.h, config/m32r/m32r.md,
2242         config/m32r/predicates.md, config/m68hc11/larith.asm,
2243         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
2244         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
2245         config/mips/mips-protos.h, config/mips/mips.c,
2246         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
2247         config/mn10300/mn10300.h, config/mn10300/predicates.md,
2248         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
2249         spelling conventions.
2250
2251         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
2252         Follow spelling conventions.
2253
2254 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
2255
2256        * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
2257        warn about C++0x compatibility.
2258
2259 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2260
2261         * config/h8300/h8300.c, config/h8300/h8300.h,
2262         config/h8300/h8300.md: Follow spelling conventions.
2263
2264 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
2265
2266         PR middle-end/30667
2267         * combine.c (try_combine): Do not substitute source operand
2268         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
2269
2270 2007-02-03  Jan Hubicka  <jh@suse.cz>
2271
2272         PR gcov-profile/30650
2273         * value-prof.c (stringop_block_profile): Fix handling of size counter;
2274         do not divide by zero for never executed counters.
2275         (tree_find_values_to_profile): Fix counters.
2276         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
2277
2278 2007-02-03  Ian Lance Taylor  <iant@google.com>
2279
2280         * lower-subreg.c (simple_move_operand): New static function,
2281         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
2282         operands.
2283         (simple_move): Call simple_move_operand.
2284         (find_decomposable_subregs): Add special handling of MEMs.
2285         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
2286         meaning of return value.  If we see a hard register, test whether
2287         it can store a word_mode value.  Change all callers.
2288
2289 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2290
2291         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
2292         ftrapv insns and expanders.
2293         (subdi3): Change define_expand operand 1 to arith11_operand, and
2294         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
2295         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
2296         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
2297         respectively.
2298
2299         PR middle-end/30174
2300         * varasm.c (notice_global_symbol): Treat global objects as weak when
2301         flag_shlib is true.
2302
2303 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2304
2305         * emit-rtl.c (dconstpi): Delete.
2306         (dconstsqrt2): New.
2307         (init_emit_once): Delete dconstpi and init dconstsqrt2.
2308         * real.h (dconstpi): Delete.
2309         (dconstsqrt2): New.
2310         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
2311         (fold_builtin_hypot): Likewise.
2312
2313 2007-02-03  Tom Tromey  <tromey@redhat.com>
2314
2315         PR driver/30246
2316         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
2317         -gcoff3, -gxcoff3, -gvms3 implies -dD.
2318
2319 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
2320
2321         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
2322         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
2323         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
2324         config/rs6000/cell.md, config/rs6000/darwin.h,
2325         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
2326         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
2327         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
2328         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
2329         typos.  Follow spelling conventions.
2330         * doc/invoke.texi: Follow spelling conventions.
2331
2332 2007-02-03  Roger Sayle  <roger@eyesopen.com>
2333
2334         * simplify-rtx.c (simplify_relational_operation_1): Implement some
2335         canonicalization transformations that attempt to simplify integer
2336         constant comparisons to become comparisons against zero.
2337
2338 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2339
2340         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
2341         fabs(x)*sqrt(2).
2342         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
2343         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
2344
2345 2007-02-02  Mike Stump  <mrs@apple.com>
2346
2347         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
2348         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
2349         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
2350         generate a branch island.
2351
2352 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
2353
2354         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
2355         (xtensa_legitimate_address_p): New.
2356         (xtensa_legitimize_address): New.
2357         (xtensa_output_addr_const_extra): New.
2358         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
2359         (BASE_REG_P): New.
2360         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
2361         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
2362         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
2363         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
2364         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
2365         (xtensa_legitimize_address): New.
2366         (xtensa_output_addr_const_extra): New.
2367
2368 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
2369
2370         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
2371
2372 2007-02-02  Ian Lance Taylor  <iant@google.com>
2373
2374         * expmed.c (expand_divmod): Add comment.
2375
2376 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
2377
2378         * emit-rtl.c (renumber_insns): Remove.
2379         * flags.h: Remove the extern for flag_renumber_insns.
2380         * rtl.h: Remove the prototype for renumber_insns.
2381         * toplev.c (flag_renumber_insns): Remove.
2382
2383 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
2384
2385         Revert for x86 darwin:
2386         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
2387
2388         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
2389         code before the following patch under TARGET_MACHO.
2390         (ix86_function_value_regno_p): Likewise.
2391
2392 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2393
2394         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
2395         COMPLEX_EXPR.
2396
2397 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2398
2399         PR target/29682
2400         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
2401         general or fp registers.  Add comments.
2402         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
2403
2404 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
2405
2406         * pointer-set.c (insert_aux): Only return insertion slot.
2407         (pointer_set_insert): Adjust.
2408         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
2409         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
2410         pointer_map_traverse): New.
2411         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
2412         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
2413         pointer_map_contains, pointer_map_traverse): Declare.
2414
2415 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
2416
2417         PR middle-end/30473
2418         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
2419         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
2420
2421 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2422
2423         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
2424
2425         (struct _dep): New type.
2426         (dep_t): New typedef.
2427         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
2428         (DEP_STATUS): New access macro.  The macro with the same name was
2429         renamed to DEP_LINK_STATUS.
2430         (dep_init): Declare function
2431
2432         (struct _dep_link): New type.
2433         (dep_link_t): New typedef.
2434         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
2435         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
2436         (DEP_LINK_STATUS): New macro.
2437         (debug_dep_links): New debug function.
2438
2439         (struct _deps_list): New type.
2440         (deps_list_t): New typedef.
2441         (DEPS_LIST_FIRST): New access macro.
2442         (FOR_EACH_DEP_LINK): New cycle macro.
2443         (create_deps_list, free_deps_list, delete_deps_list): Declare
2444         functions.
2445         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
2446         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
2447         (copy_deps_list_change_con): Ditto.
2448
2449         (move_dep_link): Declare function.
2450
2451         (struct _dep_node): New type.
2452         (dep_node_t): New typedef.
2453         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
2454
2455         (struct haifa_insn_data.back_deps): New field to hold backward
2456         dependencies of the insn.
2457         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
2458         to deps_list_t.
2459         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
2460         Change its type to deps_list_t.
2461         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
2462         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
2463         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
2464
2465         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
2466
2467         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
2468
2469         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
2470         all callers.
2471         (dep_cost): Declare.
2472
2473         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
2474         (ds_to_dk, dk_to_ds): New functions.
2475
2476         (init_dep_1): New static function.
2477         (init_dep): New function.
2478         (copy_dep): New static function.
2479
2480         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
2481         functions.
2482         (detach_dep_link): New static function.
2483         (move_dep_link): New function.
2484
2485         (dep_links_consistent_p, dump_dep_links): New static functions.
2486         (debug_dep_links): New debugging function.
2487
2488         (deps_obstack, dl_obstack, dn_obstack): New static variables.
2489
2490         (alloc_deps_list, init_deps_list): New static functions.
2491         (create_deps_list): New function.
2492         (clear_deps_list): New static function.
2493         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
2494         (deps_list_consistent_p, dump_deps_list): New static functions.
2495         (debug_deps_list): New function.
2496         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
2497         functions.
2498         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
2499
2500         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
2501         use new scheduler dependencies lists.
2502         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
2503         (sched_analyze): Ditto.  Initialize dependencies lists.
2504         (add_forw_dep, compute_forward_dependences): Update to use new
2505         scheduler dependencies lists.
2506
2507         (init_dependency_caches): Init deps_obstack.
2508         (free_dependency_caches): Free deps_obstack.
2509
2510         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
2511         new scheduler dependencies lists.
2512         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
2513         (add_back_forw_dep, delete_back_forw_dep): Ditto.
2514
2515         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
2516         Update to use new scheduler dependencies lists.
2517         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
2518         (debug_dependencies): Ditto.
2519         (schedule_region): Update comments.
2520
2521         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
2522         scheduler dependencies lists.
2523         (schedule_ebb): Update comments.
2524
2525         * rtl.def (DEPS_LIST): Remove.
2526
2527         * lists.c (unused_deps_list): Remove.
2528         (free_list): Update assertions.
2529
2530         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
2531         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
2532
2533         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
2534         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
2535
2536         * haifa-sched.c (comments): Update.
2537         (insn_cost1): Remove.  Inline the code into insn_cost ().
2538         (insn_cost): Update to use new scheduler dependencies lists.  Move
2539         processing of the dependency cost to dep_cost ().
2540         (dep_cost): New function.  Use it instead of insn_cost () when
2541         evaluating cost of the dependency.  Use compatible interface to
2542         interact with the target.
2543         (priority): Update to use new scheduler dependencies lists.
2544         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
2545         with greater number of insns that depend on the insn.
2546         (schedule_insn): Update to use new scheduler dependencies lists.  Add
2547         code to free backward dependencies lists.  Inline and optimize code
2548         from resolve_dep () - see PR28071.
2549         (ok_for_early_queue_removal): Update to use new scheduler dependencies
2550         lists.  Update call to targetm.sched.is_costly_dependence hook.
2551
2552         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
2553         scheduler dependencies lists.
2554
2555         (resolve_dep): Remove.  Move the logic to schedule_insn ().
2556         (init_h_i_d): Initialize dependencies lists.
2557
2558         (process_insn_depend_be_in_spec): Rename to
2559         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
2560         dependencies lists.
2561         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
2562         Update to use new scheduler dependencies lists.
2563         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
2564
2565         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
2566         new scheduler dependencies lists.
2567         (build_intra_loop_deps): Ditto.
2568
2569         * target.h (struct _dep): Declare to use in
2570         gcc_target.sched.is_costly_dependence.
2571         (struct gcc_target.sched.adjust_cost): Fix typo.
2572         (struct gcc_target.sched.is_costly_dependence): Change signature to use
2573         single dep_t parameter instead of an equivalent triad.
2574         (struct gcc_target.sched.adjust_cost_2): Remove.
2575
2576         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
2577
2578         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
2579
2580         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
2581         documentation.
2582         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
2583
2584         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
2585         (REG_DEP_TRUE): Document.
2586
2587         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
2588         Change signature to correspond to the targetm.sched.adjust_cost hook.
2589         Update use in TARGET_SCHED_ADJUST_COST_2.
2590         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
2591         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
2592         new scheduler dependencies lists.
2593         (ia64_gen_check): Ditto.
2594
2595         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
2596         dependencies lists.
2597
2598         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
2599         signature to correspond to the targetm.sched.is_costly_dependence hook.
2600         (is_costly_group): Update to use new scheduler dependencies lists.
2601
2602         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
2603         instead of INSN_COST () macro.
2604
2605 2007-02-01  Ian Lance Taylor  <iant@google.com>
2606
2607         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
2608
2609 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
2610
2611         * pa.md (tp_load): Correct mfctl instruction syntax.
2612
2613 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
2614
2615         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
2616         altivec_padding_size calculation on AIX.  Improve comment, add
2617         assert to verify that it's right.
2618
2619         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
2620         64-bit.
2621
2622 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
2623
2624         PR inline-asm/28686
2625         * global.c (global_alloc): Add mising initialization of
2626         ELIMINABLE_REGSET.
2627
2628 2007-02-01  Roger Sayle  <roger@eyesopen.com>
2629
2630         * alias.c (init_alias_analysis): Correct whitespace.
2631         * bb-reorder.c (fix_edges_for_rarely_executed_code,
2632         partition_hot_cold_basic_blocks): Likewise.
2633         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
2634         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
2635         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
2636         fold_builtin_snprintf_chk, fold_builtin_printf,
2637         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
2638         do_mpfr_arg3, do_mpfr_sincos): Likewise.
2639         * cfgcleanup.c (cleanup_cfg): Likewise.
2640         * cfgexpand.c (tree_expand_cfg): Likewise.
2641         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
2642         * function.c (get_next_funcdef_no): Likewise.
2643         * gengtype.c (main): Likewise.
2644         * genmodes.c (main): Likewise.
2645         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
2646         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
2647         * ifcvt.c (noce_emit_move_insn): Likewise.
2648         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
2649         Likewise.
2650         * stor-layout.c (get_best_mode): Likewise.
2651         * tree-ssa-loop-niter.c (get_val_for): Likewise.
2652         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
2653         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
2654         perform_var_substitution, solve_graph): Likewise.
2655         * tree-vrp.c (vrp_finalize): Likewise.
2656
2657 2007-02-01  Ian Lance Taylor  <iant@google.com>
2658
2659         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
2660         high part of a paradoxical subreg, return a constant zero.
2661
2662 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
2663
2664         * toplev.c (lang_dependent_init): Call init_set_costs.
2665         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
2666
2667 2007-02-01  Richard Guenther  <rguenther@suse.de>
2668
2669         PR middle-end/30656
2670         * fold-const.c (fold_negate_expr): Allow negating a
2671         constant if overflow does not change.
2672
2673 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2674
2675         * doc/c-tree.texi (Expression trees): Improve markup.
2676         * doc/tm.texi (Register Classes, Addressing Modes)
2677         (Floating Point): Fix spacing after abbreviations.  Fix some
2678         typos.
2679
2680 2007-02-01  Ben Elliston  <bje@au.ibm.com>
2681
2682         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
2683         * doc/contrib.texi: Likewise.
2684         * doc/install.texi: Likewise.
2685
2686 2007-01-31  Richard Henderson  <rth@redhat.com>
2687             Ian Lance Taylor  <iant@google.com>
2688
2689         * lower-subreg.c: New file.
2690         * rtl.def (CONCATN): Define.
2691         * passes.c (init_optimization_passes): Add pass_lower_subreg and
2692         pass_lower_subreg2.
2693         * emit-rtl.c (update_reg_offset): New static function, broken out
2694         of gen_rtx_REG_offset.
2695         (gen_rtx_REG_offset): Call update_reg_offset.
2696         (gen_reg_rtx_offset): New function.
2697         * regclass.c: Revert patch of 2006-03-05, restoring
2698         reg_scan_update.
2699         (clear_reg_info_regno): New function.
2700         * dwarf2out.c (concatn_loc_descriptor): New static function.
2701         (loc_descriptor): Handle CONCATN.
2702         * common.opt (fsplit_wide_types): New option.
2703         * opts.c (decode_options): Set flag_split_wide_types when
2704         optimizing.
2705         * timevar.def (TV_LOWER_SUBREG): Define.
2706         * rtl.h (gen_reg_rtx_offset): Declare.
2707         (reg_scan_update): Declare.
2708         * regs.h (clear_reg_info_regno): Declare.
2709         * tree-pass.h (pass_lower_subreg): Declare.
2710         (pass_lower_subreg2): Declare.
2711         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
2712         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
2713         -fsplit-wide-types.
2714         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
2715         * Makefile.in (OBJS-common): Add lower-subreg.o.
2716         (lower-subreg.o): New target.
2717
2718 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
2719
2720         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
2721
2722 2007-01-31  Anatoly Sokolov <aesok@post.ru>
2723
2724         PR target/19087
2725         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
2726
2727 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2728
2729         PR middle-end/29335
2730         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
2731
2732 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
2733
2734         * cfgloop.h: Include vec-prim.h.
2735         (enum li_flags): Remove LI_ONLY_OLD.
2736         (loop_iterator): Changed.
2737         (fel_next, fel_init): Iterate over loop tree.
2738         (FOR_EACH_LOOP_BREAK): New macro.
2739         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
2740         FOR_EACH_LOOP.
2741         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
2742         * modulo-sched.c (sms_schedule): Ditto.
2743         * tree-vectorizer.c (vectorize_loops): Ditto.
2744         * doc/loop.texi: Update information on loop numbering and behavior of
2745         FOR_EACH_LOOP wrto new loops.
2746         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2747         add_to_evolution_1): Test nestedness of loops instead of comparing
2748         their numbers.
2749         * tree-chrec.c (chrec_fold_plus_poly_poly,
2750         chrec_fold_multiply_poly_poly, chrec_evaluate,
2751         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
2752         reset_evolution_in_loop): Ditto.
2753         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
2754
2755 2007-01-31  Dirk Mueller  <dmueller@suse.de>
2756
2757         * c-common.c (warn_about_parentheses): Separate warning about
2758         un-parenthized sequence of comparison operators from the one
2759         which is supposed to warn about x <= y <= z.
2760
2761 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
2762
2763         * optabs.h (enum optab_index): Add new OTI_isinf.
2764         (isinf_optab): Define corresponding macro.
2765         * optabs.c (init_optabs): Initialize isinf_optab.
2766         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
2767         patterns.
2768         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
2769         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
2770         using isinf_optab.
2771         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
2772         expand_builtin_interclass_mathfn.
2773         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
2774         * config/i386/i386.md (UNSPEC_FXAM): New constant.
2775         (fxam<mode>2_i387): New insn pattern.
2776         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
2777         built-in functions as x87 inline asm.
2778
2779 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
2780
2781         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
2782
2783 2007-01-30  Eric Christopher  <echristo@apple.com>
2784
2785         * config.gcc: Add geode.
2786
2787 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
2788
2789         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
2790         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
2791         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
2792         value-prof.c: Fix comment typos.
2793
2794 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2795
2796         PR c++/24745
2797         * doc/invoke.texi (Wpointer-arith): Document warning.
2798
2799 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
2800
2801         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
2802         the list of discrepancies from the draft TR.
2803
2804 2007-01-30  Dirk Mueller  <dmueller@suse.de>
2805
2806         PR c++/30601
2807         * doc/invoke.texi (-Wreturn-type): Update description to
2808         match new behavior.
2809
2810 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
2811
2812         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
2813
2814 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
2815
2816         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
2817         to handle optabs that operate on floating point input argument and
2818         output to integer output.
2819         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
2820         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
2821         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
2822         expand_builtin_interclass_mathfn ().
2823         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
2824         (ilogbsi2): Remove.
2825         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
2826         ilogbl built-in functions as x87 intrinsics.
2827
2828 2007-01-30  Richard Guenther  <rguenther@suse.de>
2829
2830         PR middle-end/27657
2831         * dwarf2out.c (reference_to_unused): Query varpool if the
2832         variable was output.
2833
2834 2007-01-30  Richard Guenther  <rguenther@suse.de>
2835
2836         PR middle-end/30313
2837         * passes.c (execute_one_pass): Reset in_gimple_form to not
2838         confuse non-unit-at-a-time mode.
2839
2840 2007-01-29  Roger Sayle  <roger@eyesopen.com>
2841             Richard Guenther  <rguenther@suse.de>
2842
2843         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
2844         avoid undefined behaviour on overflow.  Use force_fit_type_double
2845         to construct the constant with the specified TREE_OVERFLOW.
2846
2847 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
2848
2849         * config/dfp-bit.c: Add parameterized support for fp exceptions.
2850         * config/dfp-bit.h: Ditto.
2851
2852 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2853
2854         * c-decl.c (pop_scope): Replace warnings with call to
2855         warn_for_unused_label.
2856         * c-common.h (warn_for_unused_label): Declare.
2857         * c-common.c (warn_for_unused_label): Define.
2858
2859 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2860
2861         * tree-optimize.c (update_inlined_to_pointers): Delete unused
2862         function.
2863
2864 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
2865
2866         * Makefile.in (USER_H): Remove decfloat.h.
2867         * ginclude/decfloat.h: Delete, moving contents to ...
2868         * ginclude/float.h: Add support for decimal floating point,
2869         guarded by __STDC_WANT_DEC_FP__.
2870
2871 2007-01-29  Mike Stump  <mrs@apple.com>
2872
2873         * doc/gccint.texi (Top): Rename Loop Representation to Loop
2874         Analysis and Representation to resolve case insensitive conflict.
2875         * doc/loop.texi (Loop Analysis and Representation): Likewise.
2876
2877 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
2878
2879         * tree.h (struct tree_memory_tag): Add aliases member.
2880         (MTAG_ALIASES): New macro.
2881         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
2882         (add_may_alias): Remove pointer-set. Update for may_aliases being
2883         a bitmap.
2884         (mark_aliases_call_clobbered): Update for may_aliases being a
2885         bitmap.
2886         (compute_tag_properties): Ditto.
2887         (create_partition_for): Ditto.
2888         (compute_memory_partitions): Ditto.
2889         (dump_may_aliases_for): Ditto.
2890         (is_aliased_with): Ditto.
2891         (add_may_alias_for_new_tag): Ditto.
2892         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
2893         (compute_is_aliased): New function.
2894         (compute_may_aliases): Call compute_is_aliased).
2895         (init_alias_info): Initialize alias_bitmap_obstack.
2896         (union_alias_set_into): New function.
2897         (compute_flow_sensitive_aliasing): Use union_aliases_into.
2898         (have_common_aliases_p): Rewrite to take two bitmaps and use
2899         intersection.
2900         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
2901         Update for bitmaps.
2902         (finalize_ref_all_pointers): Update for add_may_alias changes.
2903         (new_type_alias): Ditto.
2904         * tree-flow-inline.h (may_aliases): Return a bitmap.
2905         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
2906         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
2907         may_aliases being a bitmap.
2908         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
2909         may_aliases now returns a bitmap.
2910         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
2911         being a bitmap.
2912         * tree-ssa-operands.c (add_virtual_operand): Update for
2913         may_aliases being a bitmap.
2914
2915 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
2916
2917         PR tree-optimization/30630
2918         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
2919         variable as changed.
2920
2921 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
2922
2923         PR c++/28266
2924         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
2925         expanded only once even if an error occurs.
2926
2927 2007-01-29  Ben Elliston  <bje@au.ibm.com>
2928
2929         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
2930         (__gcov_average_profiler): Likewise.
2931         (__gcov_ior_profiler): Likewise.
2932         (__gcov_merge_ior): Likewise.
2933
2934 2007-01-28  Jan Hubicka  <jh@suse.cz>
2935
2936         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
2937         * value-prof.c (stringop_block_profile): Likewise.
2938
2939 2007-01-28  Jan Hubicka  <jh@suse.cz>
2940
2941         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
2942         variant handling histograms; add wrapper.
2943         (clear_storage_via_libcall): Export.
2944         (emit_block_move_hints): Break out from ...; add histograms.
2945         (emit_block_move): ... this one.
2946         (clear_storage_hints): Break out from ...; add histograms.
2947         (clear_storage): ... this one.
2948         (set_storage_via_memset): Handle histogram.
2949         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
2950         (clear_storage_hints, clear_storage_via_libcall): Declare.
2951         (set_storage_via_setmem): Update prototype.
2952         * doc/md.texi (movmem, setmem): Document new arguments.
2953
2954         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
2955         new histograms.
2956         (stringop_block_profile): New global function.
2957         (tree_stringops_values_to_profile): Profile block size and alignment.
2958         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
2959         HIST_TYPE_IOR.
2960         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
2961         (stringop_block_profile): Declare.
2962         * builtins.c: Include value-prof.h.
2963         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
2964         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
2965         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
2966         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
2967         * profile.c (instrument_values): Add new counters.
2968         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
2969         calls.
2970         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
2971         (tree_init_edge_profiler): Build new profilers.
2972         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
2973         (pass_tree_profile): Add dump.
2974         (tree_profile_hooks): Update.
2975         * Makefile.in (LIBGCOV): Add new constants.
2976         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
2977         __gcov_ior_profiler): New.
2978         * i386.md (movmem/setmem expanders): Add new optional arguments.
2979
2980 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
2981
2982         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
2983
2984 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
2985
2986         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
2987         (tree_unswitch_single_loop): Pass eni_size_weights to
2988         tree_num_loop_insns.
2989         * tree-ssa-loop-manip.c: Include tree-inline.h.
2990         (can_unroll_loop_p): Pass eni_size_weights to
2991         tree_num_loop_insns.
2992         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
2993         Pass eni_size_weights to estimate_num_insns.
2994         * tree.h (init_inline_once): Export.
2995         * toplev.c (backend_init): Call init_inline_once.
2996         * cgraphunit.c (cgraph_process_new_functions,
2997         cgraph_analyze_function): Pass eni_inlining_weights to
2998         estimate_num_insns.
2999         * ipa-inline.c (compute_inline_parameters): Ditto.
3000         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
3001         to estimate_num_insns.
3002         (try_unroll_loop_completely): Pass eni_size_weights to
3003         tree_num_loop_insns.
3004         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
3005         ot estimate_num_insns.
3006         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
3007         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
3008         * tree-inline.c (eni_inlining_weights, eni_size_weights,
3009         eni_time_weights): New variables.
3010         (init_inline_once): Initialize them.
3011         (struct eni_data): Mew.
3012         (estimate_num_insns_1, estimate_num_insns): Use weights.
3013         * tree-inline.h (struct eni_weights_d): New.
3014         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
3015         (estimate_num_insns): Declaration changed.
3016         * cfgloop.h (tree_num_loop_insns): Declaration changed.
3017         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
3018         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
3019
3020 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3021
3022         * tree-data-ref.c (conflict_fn): Assert that the number of affine
3023         relations in the conflict function is valid.
3024
3025 2007-01-27  Ian Lance Taylor  <iant@google.com>
3026
3027         * common.opt: Add fstrict-overflow.
3028         * opts.c (decode_options): Set flag_strict_overflow if -O2.
3029         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
3030         (TYPE_OVERFLOW_UNDEFINED): Define.
3031         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
3032         Replace all uses.
3033         * tree.h (TYPE_TRAP_SIGNED): Don't define.
3034         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
3035         (fold_negate_expr): Likewise.
3036         (make_range): Likewise.
3037         (extract_muldiv_1): Likewise.
3038         (maybe_canonicalize_comparison): Likewise.
3039         (fold_comparison): Likewise.
3040         (fold_binary): Likewise.
3041         (tree_expr_nonnegative_p): Likewise.
3042         (tree_expr_nonzero_p): Likewise.
3043         * tree-vrp.c (compare_values): Likewise.
3044         (extract_range_from_binary_expr): Likewise.
3045         (extract_range_from_unary_expr): Likewise.
3046         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
3047         Likewise.
3048         (nowrap_type_p): Likewise.
3049         * tree-scalar-evolution.c (simple_iv): Likewise.
3050         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
3051         (build_range_check): Likewise.
3052         (extract_muldiv_1): Likewise.
3053         (fold_comparison): Likewise.
3054         * tree-vrp.c (vrp_int_const_binop): Likewise.
3055         (extract_range_from_unary_expr): Likewise.
3056         * convert.c (convert_to_integer): Likewise.
3057         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
3058         (fold_comparison): Likewise.
3059         (fold_binary): Likewise.
3060         * optabs.c (optab_for_tree_code): Likewise.
3061         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
3062         * simplify-rtx.c (simplify_const_relational_operation): Check
3063         flag_strict_overflow and flag_trapv.
3064         (simplify_const_relational_operation): Likewise.
3065         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
3066         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
3067         -fstrict-overflow.
3068
3069 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3070
3071         * tree.c (tree_fold_gcd): Delete.
3072         * tree.h (tree_fold_gcd): Remove prototype.
3073         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
3074         test whether one constant integer is a multiple of another.  Instead
3075         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
3076         * fold-const.c (multiple_of_p):  We've determined both TOP and
3077         BOTTOM are integer constants so we can call int_const_binop directly
3078         instead of the more generic const_binop.
3079
3080 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3081
3082         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
3083         1*X check that the constant hasn't overflowed, to preserve the
3084         TREE_OVERFLOW bit.
3085         (round_up): Provide an efficient implementation when rouding-up an
3086         INTEGER_CST to a power-of-two.
3087
3088 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3089
3090         * doc/sourcebuild.texi: Add comma for clarity.
3091         * doc/extend.texi: Fix some typos.
3092         * doc/passes.texi: Likewise.
3093         * doc/cppinternals.texi: Likewise.
3094         * doc/c-tree.texi: Likewise.
3095         * doc/tree-ssa.texi: Likewise.
3096         * doc/install.texi: Likewise.
3097
3098 2007-01-27  Jan Hubicka  <jh@suse.cz>
3099
3100         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
3101         (pass_sra): Do not require alias information.
3102         * passes.c (init_optimization_passes): Add SRA
3103
3104 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
3105
3106         * tracer.c (rest_of_handle_tracer): We already cleaned
3107         up the CFG in tracer() so don't do it here again.
3108         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
3109         cleanup_cfg here, either.  And don't call renumber_insns.
3110
3111         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
3112         and BB_HEAD are in the insn stream here.  Instead make sure
3113         that BB_INSN is valid on all insns.  Also, do check here that
3114         there are no pending branch predictions...
3115         (rtl_verify_flow_info): ...instead of doing it here.  Checks
3116         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
3117         here.
3118
3119 2007-01-26  Roger Sayle  <roger@eyesopen.com>
3120
3121         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
3122         function to simplify/factorize operand order canonicalization.
3123         (ix86_fixup_binary_operands): Reorganize using the above function.
3124         (ix86_binary_operator_ok): Likewise.
3125
3126 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
3127
3128         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
3129         file scope from optimize_attrs.
3130         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
3131         up search.
3132         (optimize_attrs): Clear insn_code_values after freeing it.
3133
3134 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3135
3136         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
3137         a parts.base assignment.
3138
3139 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3140
3141         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
3142         (compute_subscript_distance, initialize_data_dependence_relation,
3143         finalize_ddr_dependent, analyze_ziv_subscript,
3144         analyze_siv_subscript_cst_affine,
3145         compute_overlap_steps_for_affine_univar,
3146         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
3147         analyze_siv_subscript, analyze_miv_subscript,
3148         analyze_overlapping_iterations, subscript_dependence_tester_1,
3149         compute_self_dependence, free_dependence_relation): Work
3150         with affine_fn instead of chrecs.
3151         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
3152         common_affine_function, affine_function_base,
3153         affine_function_constant_p, affine_fn_op, affine_fn_plus,
3154         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
3155         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
3156         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
3157         (all_chrecs_equal_p): Removed.
3158         * tree-data-ref.h (affine_fn, conflict_function): New types.
3159         (struct subscript): Change type of conflicting_iterations_in_a
3160         and conflicting_iterations_in_b.
3161
3162 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
3163
3164         PR other/30182
3165         * config/pa/pa.h (TARGET_HPUX_11): New.
3166         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
3167         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
3168
3169 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
3170         Richard Guenther  <rguenther@suse.de>
3171
3172         * tree-ssa-structalias.c (solve_graph): Handle case
3173         we merged the variable to another.
3174
3175 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3176
3177         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
3178         functions.
3179
3180         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
3181         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
3182
3183 2007-01-25  DJ Delorie  <dj@redhat.com>
3184
3185         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
3186         allow changes to modes which don't fit in those registers.
3187
3188         * reload1.c (choose_reload_regs): Check for invalid subregs before
3189         computing their locations, not after.
3190
3191 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
3192
3193         PR 25127
3194         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
3195         save Altivec registers in an eh_return function.
3196         (compute_vrsave_mask): Likewise.
3197         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
3198         for saving Altivec registers.
3199         (rs6000_emit_prologue): Don't allocate stack twice in
3200         eh_return function.  Correct expected value of altivec_save_offset
3201         when using save_world.  Describe save of R0 to stack when using
3202         save_world.  Describe stack pointer adjustment when using
3203         save_world.  Remove duplicated eh_return parameter register saving.
3204         Update sp_offset variable after save_world.
3205         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
3206         darwin-world.asm.
3207         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
3208         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
3209         implies Altivec.
3210
3211 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
3212
3213         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
3214
3215 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
3216
3217         PR other/30182
3218         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
3219         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
3220
3221 2007-01-25  Richard Guenther  <rguenther@suse.de>
3222
3223         * doc/invoke.texi (-Wcoverage-mismatch): Document.
3224         * common.opt (-Wcoverage-mismatch): New warning option.
3225         * coverage.c (get_coverage_counts): Ignore coverage mismatch
3226         if -Wcoverage-mismatch is given.
3227
3228 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
3229
3230         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
3231         (ipcp_driver): Change to static definition.
3232         Add dumping of the ifunctions.
3233         (constant_val_insert): Remove unused parameter. Support for SSA.
3234         (ipcp_propagate_const): Support for SSA.
3235         (ipcp_profile_bb_print): Print only analyzed nodes.
3236         (ipcp_replace_map_create): Remove support for Fortran constant
3237         for now.
3238         * ipa-prop.c (ipa_method_modify_stmt,
3239         ipa_callsite_compute_param): Support for SSA.
3240         * ipa-prop.h (ipcp_driver): Remove declaration.
3241         (IS_VALID_TREE_MAP_INDEX): Add define.
3242
3243 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
3244
3245         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
3246
3247 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3248
3249         PR middle-end/30447
3250         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
3251         constant argument to cabs and do it without checking for
3252         -funsafe-math-optimizations.
3253
3254 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
3255
3256         * c-common.h (RID_FIRST_CXX0X): New.
3257         (RID_LAST_CXX0X): New.
3258         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
3259         by -Wall.
3260         * c.opt (Wc++0x-compat): New.
3261         * doc/invoke.texi (-Wc++0x-compat): Document.
3262
3263 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3264
3265         * builtins.c (fold_builtin_carg): New.
3266         (fold_builtin_1): Use it.
3267
3268 2007-01-24  Jan Hubicka  <jh@suse.cz>
3269
3270         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
3271
3272         * ipa-inline.c (initial_insns, max_insns): Delete.
3273         (compute_max_insns): New function.
3274         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
3275         of insns as base for code growth.
3276         (cgraph_decide_inlining): Make initial_insns local; do not compute
3277         max_insns.
3278         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
3279         * doc/invoke.texi (inline-unit-growth): Update docs.
3280
3281 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
3282
3283         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
3284         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
3285         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
3286         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
3287         for CPUs that have PTA_CX16 set.
3288
3289         PR middle-end/27416
3290         * gimplify.c (omp_check_private): New function.
3291         (gimplify_scan_omp_clauses): Use it for
3292         firstprivate/lastprivate/reduction.
3293
3294         PR middle-end/30494
3295         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
3296         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
3297
3298         PR middle-end/30421
3299         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
3300         If lower_lastprivate_clauses emits some statements, append them
3301         to dlist rather than body_p and to body_p append an initializer.
3302         (lower_omp_for): Adjust caller.
3303
3304 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
3305
3306         * target.h (globalize_decl_name): New.
3307         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3308         * output.h (default_globalize_decl_name): New.
3309         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
3310         globalize_label.
3311         (globalize_decl): Ditto.
3312         (default_globalize_decl_name): New.
3313         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
3314         (ia64_handle_version_id_attribute): New.
3315         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3316         (ia64_asm_output_external): Use globalize_decl_name instead
3317         of globalize_label.
3318         * doc/extend.texi (version_id): New pragma.
3319         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
3320
3321 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3322
3323         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
3324         _uleb128_t and _Unwind_SWord with _sleb128_t.
3325         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
3326         uw_frame_state_for, uw_update_context_1): Likewise.
3327         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
3328         * unwind-pe.h (read_uleb128, read_sleb128,
3329         read_encoded_value_with_base): Likewise.
3330         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
3331
3332 2007-01-24  Richard Guenther  <rguenther@suse.de>
3333
3334         * builtins.c (expand_builtin_cexpi): Get the fndecl
3335         for cexp in the correct way.
3336
3337 2007-01-24  Jan Hubicka  <jh@suse.cz>
3338
3339         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
3340
3341 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3342
3343         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
3344         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
3345         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
3346         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
3347         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
3348         __SIZEOF_PTRDIFF_T__.
3349         * doc/cpp.texi: Documentation for the new builtin macros added.
3350
3351 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
3352
3353         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
3354         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
3355         instead of operands[2] to avoid access past the end of array.
3356
3357 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
3358
3359         * reload1.c (emit_reload_insns): Pass the reload register
3360         for a non-spill output reload through forget_old_reloads_1.
3361
3362 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
3363
3364         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3365         _SOFT_DOUBLE if doubles use software floating-point.
3366         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
3367         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
3368         * config/rs6000/darwin-ldouble.c: Also compile functions for
3369         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
3370         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
3371         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
3372         commented-out long double override.
3373         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
3374         * config/rs6000/eabispe.h: Likewise.
3375         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
3376         long double for non-SPE.
3377         (rs6000_handle_option): Likewise.
3378         (invalid_e500_subreg): Disallow more subregs involding DImode,
3379         DFmode, TImode or TFmode.
3380         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
3381         E500 double.
3382         (legitimate_lo_sum_address_p): Also check for TFmode for E500
3383         double.
3384         (rs6000_legitimize_address): Also handle TFmode for E500 double.
3385         (rs6000_legitimize_reload_address): Also handle TFmode for E500
3386         double.
3387         (rs6000_legitimate_address): Also check for TFmode for E500
3388         double.
3389         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
3390         (spe_build_register_parallel): Handle TFmode and TCmode.
3391         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
3392         double.
3393         (function_arg): Handle TFmode and TCmode for E500 double.
3394         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
3395         in general.
3396         (print_operand): Handle TFmode and TImode for %y.
3397         (rs6000_generate_compare): Handle TFmode comparisons for E500
3398         double.
3399         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
3400         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
3401         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
3402         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
3403         TFmode for E500 double.
3404         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
3405         (floatsidf2): Enable for E500 double.
3406         (movtf_softfloat): Use rs6000_nonimmediate_operand.
3407         (extenddftf2): Change to extenddftf2_fprs.
3408         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
3409         depending on TARGET_E500_DOUBLE.
3410         (extendsftf2): Enable for E500 double.
3411         (trunctfdf2): Enable for E500 double.
3412         (trunctfsf2): Change to trunctfsf2_fprs.
3413         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
3414         depending on TARGET_E500_DOUBLE.
3415         (floatsitf2): Enable for E500 double.
3416         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
3417         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
3418         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
3419         (negtf2): Change to negtf2_internal.
3420         (negtf2): New expander.
3421         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
3422         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
3423         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
3424         (movdi_internal32): Use rs6000_nonimmediate_operand.
3425         (unnamed splitter): Likewise.
3426         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
3427         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
3428         (SPE64TF, DITI): New mode macros.
3429         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
3430         modes.
3431         (frob_tf_ti): New.
3432         (frob_<mode>_di_2): New.
3433         (frob_tf_di_8_2): New.
3434         (frob_di_df): Change to frob_di_<mode>; allow more modes.
3435         (frob_ti_tf): New.
3436         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
3437         more modes.
3438         (frob_ti_<mode>_8_2): New.
3439         (frob_ti_tf_2): New.
3440         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
3441         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
3442         TFmode.
3443         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
3444         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
3445         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
3446         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
3447         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
3448         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
3449         tsttflt_gp): New.
3450
3451 2007-01-23  Ian Lance Taylor  <iant@google.com>
3452
3453         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
3454         insn-*.o first.
3455         (OBJS-archive): Reformat, alphabetize.
3456         (OBJS): Change out_object_file to OBJS-md.
3457
3458 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
3459
3460         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
3461         JUMP_P and CALL_P predicates where applicable.
3462         * config/i386/i386.c: Ditto.
3463         * config/i386/i386.md: Ditto.
3464         * config/i386/mmx.md: Ditto.
3465         * config/i386/predicates.md: Ditto.
3466
3467 2007-01-22  Andreas Schwab  <schwab@suse.de>
3468
3469         * config/m68k/m68k.h: Fix comment.
3470
3471 2007-01-22  Jan Hubicka  <jh@suse.cz>
3472
3473         * passes.c (init_optimization_passes): Do not rerun
3474         pass_early_warn_uninitialized.
3475
3476 2007-01-22  Richard Guenther  <rguenther@suse.de>
3477
3478         PR tree-optimization/30038
3479         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
3480         function.
3481         (execute_cse_sincos_1): Likewise.
3482         (execute_cse_sincos): Likewise.
3483         (gate_cse_sincos): Likewise.
3484         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
3485         the cexpi() canonicalization of sincos().
3486         * tree-pass.h (pass_cse_sincos): Declare.
3487         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
3488
3489 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3490
3491         PR rtl-optimization/29329
3492         * combine.c (replaced_rhs_insn): Rename to i2mod.
3493         (replaced_rhs_value): Rename to i2mod_new_rhs.
3494         (i2mod_old_rhs): New global variable.
3495         (combine_instructions): Adjust for above change.  Save a copy of
3496         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
3497         note are substituted in the second instruction.
3498         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
3499         ditch the note if it pertains to the second eliminated register
3500         and this register is mentioned in i2mod_old_rhs.
3501
3502         Revert:
3503         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
3504
3505         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
3506         the insn to which the note was originally attached.
3507
3508 2007-01-21  Jan Hubicka  <jh@suse.cz>
3509
3510         * ipa-inline.c (inlining_mode): Comment, move up.
3511         (cgraph_decide_inlining_incrementally): Do not perform inlining
3512         itself; fix handling of flattening of self recursive functions.
3513         (cgraph_find_cycles): Remove.
3514         (cgraph_flatten_node): Remove.
3515         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
3516         (try_inline): New function.
3517         (cgraph_early_inlining): Update call of
3518         cgraph_decide_inlining_incrementally.  Apply inlining here.
3519         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
3520
3521 2007-01-21  Dirk Mueller  <dmueller@suse.de>
3522
3523         PR bootstrap/30511
3524         * tree-vrp.c (check_array_bounds): do not warn
3525         about ADDR_EXPR's of ARRAY_REF's which are immediately
3526         used in binary expressions.
3527
3528 2007-01-21  Ira Rosen  <irar@il.ibm.com>
3529
3530         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
3531         read_write_dep and macros for its access.
3532         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
3533         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
3534         argument, call vect_check_interleaving for every independent pair of
3535         data-refs. Mark loads that access the same memory location as a store
3536         in the loop.
3537         (vect_check_dependences): Remove.
3538         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
3539         call, fix the call to vect_analyze_data_ref_dependence.
3540         (vect_analyze_data_ref_access): For statements that access the same
3541         data-ref, check that they are not stores; for loads, check that there
3542         is no store that access the same location.
3543
3544 2007-01-20  Roger Sayle  <roger@eyesopen.com>
3545             Joseph Myers  <joseph@codesourcery.com>
3546
3547         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
3548         (-fdump-rtl-stack): Likewise.
3549         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
3550         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
3551         (-mpt-fixed): Use @minus{} for minus sign.
3552         (Using Precompiled Headers): Fix under/overfull hbox.
3553
3554 2007-01-20  Jan Hubicka  <jh@suse.cz>
3555
3556         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
3557         place within annotation.
3558
3559 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3560
3561         * pa.c (output_move_double): Change array size of xoperands to 4.
3562
3563 2007-01-20  Jan Hubicka  <jh@suse.cz>
3564
3565         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
3566         as temporary.
3567
3568 2007-01-19  Ian Lance Taylor  <iant@google.com>
3569
3570         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
3571         constant to unsigned HOST_WIDE_INT before negating.
3572
3573 2007-01-19  Ian Lance Taylor  <iant@google.com>
3574
3575         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
3576         to unsigned.
3577         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
3578         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
3579         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
3580         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
3581         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
3582         (realloc_vdef, realloc_vuse): Change second parameter to
3583         unsigned.
3584         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
3585         fields to unsigned.
3586         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
3587         unsigned. Change x and lim locals to unsigned.
3588         (realloc_vdef, realloc_vuse): Change num_elem parameter to
3589         unsigned.
3590         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
3591         (copy_virtual_operands): Change i and n locals to unsigned.
3592
3593 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3594
3595         PR middle-end/29335
3596         * builtins.c (fold_builtin_1): Handle builtin fdim.
3597
3598 2007-01-20  Jan Hubicka  <jh@suse.cz>
3599
3600         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
3601         * tree-ssa-structalias.c (compute_points_to_sets): Do call
3602         init_alias_heapvars.
3603         (init_alias_heapvars): Initialize only when not already initialized.
3604         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
3605
3606 2007-01-19  Roger Sayle  <roger@eyesopen.com>
3607
3608         * common.opt (fsigned-zeros): New command line option.
3609         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
3610         of flag_unsafe_math_optimizations.
3611         * opts.c (set_fast_math_flags): The -ffast-math command line option
3612         implies -fno-signed-zeros.
3613         (fast_math_flags_set_p): Likewise.
3614
3615         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
3616         the documentation of -ffast-math appropriately.  Wrap long lines.
3617
3618 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
3619
3620         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
3621         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
3622
3623 2007-01-19  Tomas Bily  <tbily@suse.cz>
3624
3625         * cgraphunit.c (cgraph_finalize_function): Updating of pid
3626         * tree-profile.c:
3627         (tree_init_ic_make_global_vars): New function
3628         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
3629         (tree_gen_ic_profiler): New function
3630         (tree_gen_ic_func_profiler): New function
3631         (tree_profiling): Added calling of tree_gen_ic_func_profiler
3632         (tree_profile_hooks): Added hook for indirec/virtual calls
3633         * value-prof.c (tree_find_values_to_profile): New case for
3634         indirect calls
3635         (tree_values_to_profile): Call for determining indirect/virtual
3636         counters
3637         (tree_indirect_call_to_profile): New function
3638         (tree_ic_transform): New function
3639         (tree_ic): New function
3640         (find_func_by_pid): New function
3641         (init_pid_map): New function
3642         (tree_value_profile_transformations): Added check for
3643         indirect/virtual call transformation
3644         * value-prof.h (enum hist_type): New counter type for
3645         indirect/virtual calls
3646         (profile_hooks): Added new hook for profiling indirect/virtual
3647         calls
3648         * profile.c (instrument_values): New case for indirect/virtual
3649         call added
3650         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
3651         (GCOV_COUNTER_V_INDIR): New counter type
3652         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
3653         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
3654         call added
3655         * cgraph.c: Definition of cgraph_max_pid
3656         (cgraph_create_node): Default init of pid attribute
3657         * cgraph.h: Declaration of cgraph_max_pid
3658         (struct cgraph_node): Added pid attribute
3659         * libgcov.c (__gcov_indirect_call_profiler): New function
3660         (__gcov_one_value_profiler_body): New function
3661         (__gcov_one_value_profiler): Body was moved to
3662         __gcov_one_value_profiler_body and calls it
3663
3664 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
3665
3666         * doc/gty.texi (Options): Document the mark_hook option to GTY.
3667         * gengtype.c (write_types_data, write_func_for_structure,
3668         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
3669         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
3670         (walk_type, write_func_for_structure): Generate the mark_hook if
3671         needed.
3672
3673 2007-01-19  Jan Hubicka  <jh@suse.cz>
3674
3675         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
3676         'early' argument take inlining mode argument specifying whether to
3677         inline for size/speeed or all functions; add support for flattening;
3678         improve dumpting.
3679         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
3680
3681 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3682
3683         PR c++/17947
3684         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
3685         the name of the declared identifier.
3686
3687 2007-01-19  Dirk Mueller  <dmueller@suse.de>
3688
3689         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
3690         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
3691         duplicate evaluation.
3692
3693 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
3694
3695         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
3696         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
3697         to XFMode, use acosxf2 and truncate result to requested mode.
3698         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
3699         (asin<mode>2): Similarly, with asin expanders.
3700         (*fscalexf4_i387): Rename from *fscalexf4.
3701         (expNcorexf3): New expander.
3702         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
3703         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
3704         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
3705         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
3706         patterns for SSE math.
3707         (exp10<mode>2): Similarly, with exp10 expanders.
3708         (exp2<mode>2): Similarly, with exp2 expanders.
3709         (expm1<mode>2): Similarly, with expm1 expanders.
3710         (ldexp<mode>3): Similarly, with ldexp expanders.
3711         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
3712         Use gen_truncxf<mode>2_i387_noop to truncate result.
3713
3714 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
3715
3716         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
3717         for ColdFire targets.
3718
3719 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
3720             Richard Sandiford  <richard@codesourcery.com>
3721
3722         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
3723         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
3724         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
3725         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
3726         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
3727         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
3728
3729 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
3730
3731         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
3732         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
3733         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
3734         (*adddi_dilshr32_cf): New pattern.
3735         (adddi3, subdi3): Remove first alternatives.
3736
3737 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
3738
3739         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
3740         implemented using move.l, do not use its cc result for floating-point
3741         comparisons.
3742
3743 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
3744
3745         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
3746         from accepting 's' constraints if flag_pic.
3747
3748 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
3749
3750         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
3751         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
3752         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
3753         condition from TARGET_68881 to TARGET_HARD_FLOAT.
3754
3755 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
3756
3757         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
3758         ColdFire alternatives.
3759         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
3760         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
3761         architectures that support ff1 instruction.
3762
3763 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
3764             Julian Brown  <julian@codesourcery.com>
3765
3766         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
3767         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
3768         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
3769         Add commentary.
3770
3771 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
3772
3773         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
3774         and return a bool.
3775         (output_move_const_into_data_reg, output_move_simode_const): Delete.
3776         * config/m68k/m68k.c (const_method, const_int_cost): Take a
3777         HOST_WIDE_INT instead of an rtx.
3778         (m68k_rtx_costs): Update call accordingly.
3779         (output_move_const_into_data_reg): Likewise.  Fix formatting.
3780         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
3781         Return a bool.
3782         (output_move_simode_const): Update calls after above changes.
3783         Rework to use automatic variables and predicates like MEM_P.
3784         * config/m68k/m68k.md (pushexthisi_const): Update call to
3785         valid_mov3q_const.
3786
3787 2007-01-19  Dirk Mueller  <dmueller@suse.de>
3788
3789         * tree-ssa-alias.c (perform_var_substitution): Fix typo
3790         in dump_flags test.
3791
3792 2007-01-19  Richard Guenther  <rguenther@suse.de>
3793
3794         * builtins.c (expand_builtin_cexpi): Fall back to expanding
3795         via cexp in case sincos is not available.
3796
3797 2007-01-19  Richard Guenther  <rguenther@suse.de>
3798
3799         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
3800         * defaults.h (TARGET_HAS_SINCOS): Default to off.
3801         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
3802         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
3803         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
3804         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
3805         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
3806         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
3807
3808 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
3809
3810         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
3811         New insn patterns.
3812         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
3813         (atan2xf3): Directly generate RTL pattern.
3814         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
3815         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
3816         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
3817         disable patterns for SSE math.
3818         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
3819         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
3820         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
3821         disable patterns for SSE math.
3822
3823 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
3824
3825         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
3826
3827 2007-01-18  Roger Sayle  <roger@eyesopen.com>
3828
3829         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
3830         VIEW_CONVERT_EXPR to the same type as it's operand.
3831
3832 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
3833
3834         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
3835         configured for long double 128.
3836
3837 2007-01-18  Mike Stump  <mrs@apple.com>
3838
3839         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
3840         error.
3841
3842 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
3843
3844         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
3845         type correct.
3846
3847 2007-01-18  Jan Hubicka  <jh@suse.cz>
3848
3849         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
3850         greater than NUM_VOP_FREE_BUCKETS.
3851
3852 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
3853
3854         * tree-ssa-structalias.c: Update comments.
3855         (ptabitmap_obstack): Removed.
3856         (pta_obstack): New.
3857         (oldpta_obstack): Ditto.
3858         (stats): Add a few members.
3859         (struct variable_info): Remove node, complex, address_taken, and
3860         indirect_target members. Add oldsolution member.
3861         (new_var_info): Do not initialize removed members.
3862         (constraint_expr_type): Remove INCLUDES.
3863         (constraint_graph): Add size, implicit_preds, rep,
3864         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
3865         (FIRST_REF_NODE): New macro.
3866         (LAST_REF_NODE): Ditto.
3867         (FIRST_ADDR_NODE): Ditto.
3868         (find): New function.
3869         (unite): Ditto.
3870         (dump_constraint): Do not handle INCLUDES.
3871         (insert_into_complex): Do not insert duplicate constraints.
3872         (condense_varmap_nodes): Renamed and rewritten into ...
3873         (merge_node_constraints): This. Also fix bug in handling of
3874         offseted copy constraints.
3875         (clear_edges_for_node): No longer need to deal with preds at all,
3876         or removing associated preds/succs.
3877         (merge_graph_nodes): Deal with indirect_cycles.
3878         Don't deal with predecessors.
3879         (add_implicit_graph_edge): New function.
3880         (add_pred_graph_edge): Ditto.
3881         (add_graph_edge): Don't deal with predecessors.
3882         (build_constraint_graph): Removed.
3883         (build_pred_graph): New function.
3884         (build_succ_graph): Ditto.
3885         (struct scc_info): Removed in_component. Added roots, dfs, and
3886         node_mapping. Remove visited_index, unification_queue.
3887         (scc_visit): Deal with union-find we do now.
3888         Deal with cycles with REF nodes.
3889         (collapse_nodes): Renamed and rewritten to ...
3890         (unify_nodes): This.
3891         (process_unification_queue): Removed.
3892         (topo_visit): Cleanup
3893         (do_da_constraint): Use find.
3894         (do_sd_constraint): Ditto.
3895         (do_ds_constraint): Ditto.
3896         (do_complex_constraint): Ditto.
3897         (init_scc_info): Update for removed and added members.
3898         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
3899         (find_indirect_cycles): This.
3900         (equivalence_class): New variable.
3901         (label_visit): New function.
3902         (perform_variable_substitution): Rewritten.
3903         (free_var_substitution_info): New function.
3904         (find_equivalent_node): Ditto.
3905         (move_complex_constraints): Ditto.
3906         (eliminate_indirect_cycles): Ditto.
3907         (solve_graph): Only propagate changed bits.
3908         Use indirect cycle elimination.
3909         Use find.
3910         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
3911         (tree_id_eq): Renamed to ...
3912         (tree_vi_eq): This. Update for member change
3913         (insert_id_for_tree): Renamed and rewritten to ...
3914         (insert_vi_for_tree): This.
3915         (lookup_id_for_tree): Renamed and rewritten to ...
3916         (lookup_vi_for_tree): This.
3917         (get_id_for_tree): Renamed and rewritten to ...
3918         (get_vi_for_tree): Ditto.
3919         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
3920         (process_constraint): Don't handle INCLUDES.
3921         Remove special ADDRESSOF case.
3922         (find_func_aliases): Rewrite to use vi functions instead of id
3923         ones.
3924         (create_function_info_for): Ditto.
3925         (create_variable_info_for): Ditto.
3926         (intra_create_variable_infos): Ditto.
3927         (merge_smts_into): Ditto.
3928         (find_what_p_points_to): Ditto.
3929         (init_base_vars): Ditto.
3930         (init_alias_vars): Ditto.
3931         (remove_preds_and_fake_succs): New function.
3932         (dump_sa_points_to_info): Dump new stats.
3933         (dump_solution_for_var): Use find.
3934         (set_used_smts): Fix formatting.
3935         (compute_points_to_sets): Updated for new functions.
3936         (ipa_pta_execute): Ditto.
3937
3938 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
3939             Richard Sandiford  <richard@codesourcery.com>
3940
3941         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
3942         parallels.
3943         * calls.c (expand_call): If the return value is a PARALLEL,
3944         extract its first member.
3945         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
3946         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
3947         use FUNCTION_EXTRA_EPILOGUE.
3948         (m68k_function_value): Return a PARALLEL if the return value
3949         is of a pointer type.
3950         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
3951         (FUNCTION_EXTRA_EPILOGUE): Remove.
3952         * config/m68k/m68k.md (D0_REG): New constant.
3953
3954 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
3955
3956         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
3957         output a NOP for empty epilogues.
3958
3959 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
3960
3961         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
3962         before function.  Extend register save check to include all
3963         registers, not just integer ones.
3964
3965 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
3966
3967         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
3968         (m68k_use_return_insn): ...this.
3969         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
3970         * config/m68k/m68k.c (use_return_insn): Rename to...
3971         (m68k_use_return_insn): ...this.
3972         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
3973         of USE_RETURN_INSN.
3974
3975 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
3976
3977         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
3978         nearest even, fix denormal rounding overflow.
3979
3980 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
3981
3982         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
3983         f%$smove and f%$move.
3984         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
3985         (extendsfdf2_cf): Use fdmove instead of f%&move.
3986         (truncdfsf2_cf): Use fsmove instead of f%$smove.
3987         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
3988
3989 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
3990
3991         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
3992         GPR<-GPR moves.
3993
3994 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
3995
3996         * real.h (real_format): Add a canonical_nan_lsbs_set field.
3997         (coldfire_single_format): Declare.
3998         (coldfire_double_format): Likewise.
3999         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
4000         of qnan_msb_set to determine the lower bits of a canonical
4001         NaN significand.
4002         (encode_ieee_double): Likewise.
4003         (encode_ieee_quad): Likewise.
4004         (ieee_single_format): Initialize canonical_nan_lsbs_set.
4005         (mips_single_format): Likewise.
4006         (ieee_double_format): Likewise.
4007         (mips_double_format): Likewise.
4008         (ieee_extended_motorola_format): Likewise.
4009         (ieee_extended_intel_96_format): Likewise.
4010         (ieee_extended_intel_128_format): Likewise.
4011         (ieee_extended_intel_96_round_53_format): Likewise.
4012         (ibm_extended_format): Likewise.
4013         (mips_extended_format): Likewise.
4014         (ieee_quad_format): Likewise.
4015         (mips_quad_format): Likewise.
4016         (vax_f_format): Likewise.
4017         (vax_d_format): Likewise.
4018         (vax_g_format): Likewise.
4019         (i370_single_format): Likewise.
4020         (i370_double_format): Likewise.
4021         (decimal_single_format): Likewise.
4022         (decimal_double_format): Likewise.
4023         (decimal_quad_format): Likewise.
4024         (c4x_single_format): Likewise.
4025         (c4x_extended_format): Likewise.
4026         (real_internal_format): Likewise.
4027         (coldfire_single_format): New real_format.
4028         (coldfire_double_format): Likewise.
4029         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
4030         canonical_nan_lsbs_set.
4031         (pdp11_d_format): Likewise.
4032         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
4033         if TARGET_COLDFIRE_CPU.
4034
4035 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4036
4037         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
4038         (output_call, m68k_legitimize_call_address): Declare.
4039         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
4040         parenthesees.  Add support for a 'W' constraint.
4041         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
4042         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
4043         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
4044         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
4045         variables.
4046         (override_options): Initialize them.  Do not set flag_no_function_cse
4047         for TARGET_ID_SHARED_LIBRARY.
4048         (m68k_output_pic_call): Delete.
4049         (m68k_legitimize_call_address): New function.
4050         (print_operand): Remove the %o prefix.  Handle the %p prefix.
4051         (output_call): New function.
4052         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
4053         target address from the GOT if symbolic jumps are not allowed.
4054         * config/m68k/m68k.md (call, general_operand): Do not set
4055         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
4056         Merge separate flag_pic and !flag_pic define_insns into...
4057         (*call, *call_value): ...these new patterns.  Match the address
4058         rather than the containing MEM and require it to be a call_operand.
4059         Use output_call to generate the asm template.
4060         * config/m68k/predicates.md (const_call_operand): New predicate.
4061         (call_operand): Likewise.
4062
4063 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4064
4065         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
4066         (STACK_GROWS_DOWNWARD): Define to 1.
4067         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
4068         comments, emphasizing that these values are only defaults.
4069         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
4070         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
4071
4072 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4073
4074         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
4075
4076 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4077             Richard Sandiford  <richard@codesourcery.com>
4078
4079         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
4080         (FP_REGNO_P): New macros.
4081         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
4082         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
4083         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
4084         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
4085
4086 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4087
4088         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4089         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
4090         to $tmake_file.
4091         * config/m68k/t-floatlib: New file, extracting common code from...
4092         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
4093         * config/m68k/t-uclinux: Here.
4094         * config/m68k/fpgnulib.c: Do not compile extendeed precision
4095         routines on ColdFire targets.
4096
4097 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4098
4099         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4100         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
4101         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
4102         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
4103         explicitly set MOTOROLA to 1.
4104         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
4105
4106 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4107             Nathan Sidwell  <nathan@codesourcery.com>
4108
4109         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
4110         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
4111         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
4112         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
4113         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
4114         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
4115         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
4116         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
4117         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
4118         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4119         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
4120         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
4121         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
4122         (DBX_REGISTER_NUMBER): Delete.
4123         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
4124         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4125         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
4126
4127 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4128
4129         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
4130         * config/flat.h: New file.
4131         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
4132         OBJECT_FORMAT_FLAT.
4133         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
4134         indirect references for -msep-data or -mid-shared-library.
4135         Do not use PC-relative code addresses either.
4136         * config/m68k/m68k.c (override_options): Restrict -fPIC error
4137         to -mpcrel.
4138         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
4139         for shared libraries and crt1.o for executables.  Use crti.o and
4140         crtbegin.o.
4141         (ENDFILE_SPEC): Use crtend.o and crtn.o.
4142         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
4143         Do not add -elf2flt or -shared-lib-id options here.
4144         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
4145         Pass -shared-lib-id if -mid-shared-library, taking the library
4146         identifier from -mshared-library-id if given, otherwise
4147         defaulting to 0.
4148         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
4149         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
4150         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
4151         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
4152         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
4153         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
4154         and crtend.o.
4155         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
4156         jump sequence for ISA A and ISA A+.
4157         (PICJUMP): Likewise.
4158
4159 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4160
4161         * config.gcc (m68k-*-uclinux*): Base the port on the common
4162         and m68k GNU/Linux files rather than on the generic ELF ones.
4163         * config/m68k/uclinux.h (TARGET_VERSION): Override.
4164         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
4165
4166 2007-01-18  Julian Brown  <julian@codesourcery.com>
4167             Richard Sandiford  <richard@codesourcery.com>
4168
4169         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
4170         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4171         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
4172         before redefining.
4173         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
4174         80 unconditionally.
4175         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4176
4177 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4178
4179         * doc/install.texi: Document m68k-uclinuxoldabi.
4180         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
4181         * config/m68k/uclinux-oldabi.h: New file, copied from
4182         config/m68k/uclinux.h.
4183
4184 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
4185
4186         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
4187         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
4188         (m32r_compute_frame_size): Use unsigned for regno.
4189         (m32r_reload_lr): Use gen_frame_mem.
4190         (pop): New.
4191         (m32r_output_function_epilogue): Don't output the function epilogue
4192         textually here.
4193         (m32r_expand_epilogue): New.
4194         (direct_return): Return false if the function has the interrupt
4195         attribute.
4196         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
4197         * config/m32r/m32r.md (epilogue): New expander.
4198         (return_lr, return_rte): New insns.
4199         (return): Make it expander.
4200         (return_normal): New expander.
4201
4202 2007-01-18  Josh Conner  <jconner@apple.com>
4203
4204         PR target/30485
4205         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
4206         support for UNLE, UNLT, UNGE, and UNGT.
4207
4208 2007-01-18  Jan Hubicka  <jh@suse.cz>
4209
4210         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
4211         * tree-tailcall (add_virtual_phis): Likewise.
4212         (optimize_tail_call): Return TODOs.
4213         (execute_tail_calls): Return TODOs.
4214         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
4215         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
4216         changed.
4217         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
4218         Cleanup cfg using TODO.
4219         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
4220         * passes.c (execute_function_todo): When cleanup did something, remove
4221         unused locals.
4222         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
4223         (make_edges): Don't cleanup_cfg.
4224
4225 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
4226
4227         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
4228         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
4229         operate on the top of stack.
4230         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
4231         register handling of instructions that output to the second
4232         stack slot.
4233         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
4234         (move_for_stack_reg): Special-case check for dead destination
4235         stack slot for constant load of 1.0 inside UNSPEC_TAN.
4236
4237         * config/i386/i386.md (UNSPEC_TAN): New constant.
4238         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
4239         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
4240         to correctly model move of constant 1.0 to top stack slot.
4241         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
4242         (unnamed peephole2 pattern): Remove corresponding peephole2
4243         pattern that optimizes tan insn and loading of constant 1.0.
4244         (tanxf2): Use fptanxf4_i387.
4245         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
4246         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
4247         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4248         disable patterns for SSE math.
4249         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
4250         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
4251
4252 2007-01-18  Dirk Mueller  <dmueller@suse.de>
4253             Richard Guenther <rguenther@suse.de>
4254
4255         PR diagnostic/8268
4256         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
4257         * common.opt (Warray-bounds): Add new warning option.
4258         * c-opts.c (c_common_handle_option): Define -Warray-bounds
4259         if -Wall is given.
4260         * Makefile.in: make tree-vrp.o depend on toplev.h
4261         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
4262         is enabled.
4263         (check_array_refs, check_array_bounds, check_array_ref): New.
4264
4265 2007-01-18  Jan Hubicka  <jh@suse.cz>
4266
4267         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
4268         (execute_ssa_ccp): Return flags conditionally.
4269         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
4270         changed.
4271         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
4272
4273 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
4274
4275         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
4276         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
4277
4278         * Makefile.c (GTFILES): Add cfglayout.h.
4279         * gengtype.c (open_base_files): Likewise.
4280         * cfglayout.c (cfg_layout_function_footer,
4281         cfg_layout_function_header) Reindent to make gengtype happy.
4282         * cfglayout.h (cfg_layout_function_footer,
4283         cfg_layout_function_header): Add GTY(()) marker.
4284
4285         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
4286
4287 2007-01-18  Ben Elliston  <bje@au.ibm.com>
4288
4289         * genautomata.c (write_automata): Include xstrerror output in the
4290         error message if writing the DFA description file fails.
4291
4292 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
4293
4294         * config/mips/mips-protos.h (mips_output_external): Make it
4295         return void.
4296         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
4297         * config/mips/mips.c (irix_output_external_libcall): Likewise.
4298         (extern_list): Likewise.
4299         (extern_head): Likewise.
4300         (TARGET_ASM_FILE_END): Likewise.
4301         (mips_file_end): Likewise.
4302         (mips_output_external): Rewritten.
4303
4304 2007-01-18  Ben Elliston  <bje@au.ibm.com>
4305
4306         * genpreds.c (write_insn_preds_c): Only write out the function
4307         body for regclass_for_constraint if we have register constraints.
4308
4309 2007-01-17  Tom Tromey  <tromey@redhat.com>
4310
4311         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
4312         * doc/install.texi (Testing): Use sourceware.org.
4313         (Binaries): Likewise.
4314         (Specific): Likewise.
4315         * doc/contrib.texi (Contributors): Use sourceware.org.
4316
4317 2007-01-17  Anatoly Sokolov <aesok@post.ru>
4318
4319         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
4320         (AVR_ENHANCED): Rename to ...
4321         (AVR_HAVE_MUL): ... new.
4322         (avr_enhanced_p): Rename to ...
4323         (avr_have_mul_p): ... new.
4324         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
4325         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
4326         * config/avr/avr.c (avr_enhanced_p): Rename to ...
4327         (avr_have_mul_p): ... new.
4328         (base_arch_s): Rename 'enhanced' to 'have_mul'.
4329         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
4330         'avr_enhanced_p' and 'enhanced'.
4331         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
4332         AVR_HAVE_MUL instead of AVR_ENHANCED.
4333         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
4334         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
4335         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
4336         instead of AVR_ENHANCED.
4337         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
4338         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
4339         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
4340
4341 2007-01-17  Ian Lance Taylor  <iant@google.com>
4342
4343         * vec.h (VEC_reserve_exact): Define.
4344         (vec_gc_p_reserve_exact): Declare.
4345         (vec_gc_o_reserve_exact): Declare.
4346         (vec_heap_p_reserve_exact): Declare.
4347         (vec_heap_o_reserve_exact): Declare.
4348         (VEC_OP (T,A,reserve_exact)): New static inline function, three
4349         versions.
4350         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
4351         negative parameter.
4352         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
4353         (VEC_OP (T,A,copy)) [all versions]: Likewise.
4354         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
4355         * vec.c (calculate_allocation): Add exact parameter.  Change all
4356         callers.
4357         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
4358         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
4359         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
4360         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
4361         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
4362         (vec_heap_p_reserve_exact): New function.
4363         (vec_heap_o_reserve_exact): New function.
4364
4365 2007-01-17  Jan Hubicka  <jh@suse.cz>
4366
4367         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
4368
4369 2007-01-17  Eric Christopher  <echristo@apple.com>
4370
4371         * config.gcc: Support core2 processor.
4372
4373 2007-01-16  Jan Hubicka  <jh@suse.cz>
4374
4375         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
4376         the names, just unlink the chain so we don't crash on dangling pointers
4377         to dead SSA names.
4378
4379 2007-01-16  Jan Hubicka  <jh@suse.cz>
4380
4381         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
4382         * tree-pass.h: Reorder to make IPA passes appear toegher.
4383         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
4384         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
4385         parameters, do not call early inliner.
4386         * ipa-inline.c: Update comments.  Include tree-flow.h
4387         (cgraph_decide_inlining): Do not compute inlining parameters.
4388         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
4389         be called with function context set up.
4390         (pass_ipa_inline): Remove unreachable functions before pass.
4391         (cgraph_early_inlining): Simplify assuming to be called from the
4392         PM as local pass.
4393         (pass_early_inline): New pass.
4394         (cgraph_gate_ipa_early_inlining): New gate.
4395         (pass_ipa_early_inline): Turn into simple wrapper.
4396         (compute_inline_parameters): New function.
4397         (gate_inline_passes): New gate.
4398         (pass_inline_parameters): New pass.
4399         (apply_inline): Move here from tree-optimize.c
4400         (pass_apply_inline): New pass.
4401         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
4402         transforming.
4403         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
4404         doing them by hand.
4405         (tree_function_versioning): Do not allocate dummy struct function.
4406         * tree-inline.h (optimize_inline_calls): Update prototype.
4407         * tree-optimize.c (execute_fixup_cfg): Export.
4408         (pass_fixup_cfg): Remove
4409         (tree_rest_of_compilation): Do not apply inlines.
4410         * tree-flow.h (execute_fixup_cfg): Declare.
4411         * Makefile.in (gt-passes.c): New.
4412         * passes.c: Include gt-passes.h
4413         (init_optimization_passes): New passes.
4414         (nnodes, order): New static vars.
4415         (do_per_function_toporder): New function.
4416         (execute_one_pass): Dump current pass here.
4417         (execute_ipa_pass_list): Don't dump current pass here.
4418
4419 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
4420
4421         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
4422         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
4423
4424 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
4425
4426         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
4427         (strong_alias): Define.
4428         (__gcc_qmul): Provide non-FMA for soft-float.
4429         (__gcc_qdiv): Same.
4430         (__gcc_qneg): New.
4431         (__gcc_qeq): New.
4432         (__gcc_qle): New.
4433         (__gcc_qge): New.
4434         (__gcc_qunord): New.
4435         (__gcc_stoq): New.
4436         (__gcc_dtoq): New.
4437         (__gcc_qtos): New.
4438         (__gcc_qtod): New.
4439         (__gcc_qtoi): New.
4440         (__gcc_qtou): New.
4441         (__gcc_itoq): New.
4442         (__gcc_utoq): New.
4443         (fmsub): New.
4444         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
4445         soft-float functions.
4446         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
4447         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
4448         about long double soft float.
4449
4450 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
4451             Tehila Meyzels  <tehila@il.ibm.com>
4452
4453         * tree-vectorizer.h (is_pattern_stmt_p): New.
4454         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
4455         formatting (tabs instead of spaces). Cleanup and clarify setting
4456         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
4457         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
4458         (vectorizable_type_demotion): Check that types are integral.
4459         (vectorizable_type_promotion): Likewise.
4460         (vectorizable_store): Fix typo.  Eliminate new-line at end of
4461         comments.
4462
4463 2007-01-16  Jan Hubicka  <jh@suse.cz>
4464
4465         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
4466         cgraph edges too.
4467
4468 2007-01-15  Eric Christopher  <echristo@apple.com>
4469
4470         * ifcvt.c: Include vec.h, vecprim.h.
4471         (check_cond_move_block): New argument regs.
4472         Reorganize. Add registers used to regs.
4473         (cond_move_process_if_block): Use regs set above as
4474         loop bounds.
4475
4476 2007-01-15  Eric Christopher  <echristo@apple.com>
4477
4478         * config/darwin.h: Update copyright.
4479         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
4480         (LINK_COMMAND_SPEC): Add -u.
4481         (LINK_SPEC): Fix umbrella for above.
4482
4483 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
4484
4485         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
4486         glibc CVS.
4487
4488 2007-01-15  Tom Tromey  <tromey@redhat.com>
4489
4490         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
4491         * doc/install.texi (Testing): Don't mention jacks.
4492         (Configuration): Document --enable-java-maintainer-mode.  Move
4493         --with-java-home to libgcj-specific section.  Document
4494         --with-ecj-jar.
4495         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
4496
4497 2007-01-15  Jan Hubicka  <jh@suse.cz>
4498
4499         * tree-ssa-dce.c (DCE_TODOs): New.
4500         (propagate_necessity): Return if something changed.
4501         (eliminate_unnecessary_stmts): Likewise.
4502         (perform_tree_ssa_dce): Return TODO flags when needed.
4503         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
4504
4505 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
4506
4507         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
4508         (fyl2x_extend<mode>xf3_i387): New insn pattern.
4509         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
4510         patterns using X87MODEF12 mode macro.  Extend operand 1
4511         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
4512         (log10<mode>2): Ditto.
4513         (log2<mode>2): Ditto.
4514         (log1p<mode>2): Ditto.
4515         (logb<mode>2): Ditto.
4516         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
4517         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
4518         (*fxtractxf3_i387): Rename from *fxtractxf3.
4519         (fxtract_extend<mode>xf3_i387): New insn pattern.
4520         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
4521         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
4522         and gen_fyl2xxf3_i387().
4523
4524 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
4525
4526         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
4527         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
4528         get_loop_exit_edges.  Changed return type to bool.
4529         * cfgloop.h (fix_loop_placement): Declaration removed.
4530
4531 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
4532
4533         * param.h (MIN_VECT_LOOP_BOUND): New.
4534         * params.def (MIN_VECT_LOOP_BOUND): New.
4535         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
4536         argument - minimum threshold for number of iterations.
4537         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
4538         argument to declaration.
4539         * tree-vect-analyze.c (vect_analyze_operations): Check value of
4540         MIN_VECT_LOOP_BOUND.
4541         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
4542         slpeel_tree_peel_loop_to_edge with additional argument.
4543         (vect_do_peeling_for_alignment): Likewise.
4544         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
4545
4546 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
4547
4548         PR target/30413
4549         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
4550         operands of size 1.
4551
4552 2007-01-14  Jan Hubicka  <jh@suse.cz>
4553
4554         * tree-dfa.c (remove_referenced_var): New function.
4555         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
4556         prune referenced vars list too.
4557         * tree-flow.h (remove_referenced_var): Declare.
4558
4559 2007-01-14  Jan Hubicka  <jh@suse.cz>
4560
4561         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
4562         separately.
4563         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
4564         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
4565         * except.h (verify_eh_throw_table_statements): Kill prototype.
4566         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
4567         into call exrepssions.
4568         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
4569         eh trhow verifier.
4570         * tree-cfg.c: Include pointer-set.h.
4571         (verify_node_sharing): Work on pointer set.
4572         (verify_eh_throw_stmt_node): New.
4573         (verify_stmts): Use pointers sets, verify throw_stmt.
4574
4575 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
4576
4577         * ipa-reference.c (analyze_function): Consider also addresses taken
4578         in phi nodes.
4579
4580 2007-01-12  Roger Sayle  <roger@eyesopen.com>
4581
4582         * c-typeck.c (null_pointer_constant_p): Replace use of
4583         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
4584         (build_c_cast): Likewise.
4585
4586 2007-01-12  Roger Sayle  <roger@eyesopen.com>
4587
4588         * tree.h (force_fit_type_double): Remove unused final argument.
4589         * c-common.c (constant_expression_warning): Replace use of
4590         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
4591         (convert_and_check): Likewise.
4592         (shorten_compare): Update call to force_fit_type_double.
4593         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
4594         * convert.c (convert_to_pointer): Update call to
4595         force_fit_type_double.
4596         * fold-const.c (force_fit_type_double): Remove overflowed_const
4597         argument.
4598         (int_const_binop, fold_convert_const_int_from_int,
4599         fold_convert_const_int_from_real, fold_div_compare,
4600         fold_sign_changed_comparison, fold_unary, fold_negate_const,
4601         fold_abs_const, fold_not_const): Remove the final argument from
4602         calls to force_fit_type_double.
4603
4604 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4605
4606         * configure.ac: Set insn to "nop" for spu-*-* also.
4607         * configure: Regenerate.
4608
4609 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
4610
4611         * builtins.def : Add BUILT_IN_FREE.
4612
4613 2007-01-12  Jan Hubicka  <jh@suse.cz>
4614
4615         PR tree-optimization/30443
4616         * tree-inline.c (tree_function_versioning): Do not optimize when
4617         cloning for inlining.
4618
4619 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
4620
4621         * doc/loop.texi: Document recording of loop exits.
4622         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
4623         (update_single_exits_after_duplication,
4624         update_single_exit_for_duplicated_loop,
4625         update_single_exit_for_duplicated_loops): Removed.
4626         (duplicate_loop_to_header_edge): Do not call
4627         update_single_exits_after_duplication and
4628         update_single_exit_for_duplicated_loops.
4629         (loop_version): Do not update single_exit information.
4630         (fix_loop_structure): Use record_loop_exits instead of
4631         mark_single_exit_loops.
4632         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
4633         the lists of loop exits.
4634         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
4635         split_edge, merge_blocks): Update the lists of loop exits.
4636         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
4637         loop_optimizer_init.
4638         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
4639         of mark_single_exit_loops.
4640         (loop_optimizer_finalize): Call release_recorded_exits.
4641         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
4642         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
4643         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
4644         update single exit information.
4645         * lambda-code.c (perfect_nestify): Ditto.
4646         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
4647         (mark_single_exit_loops): Removed.
4648         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
4649         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
4650         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
4651         functions.
4652         (get_loop_exit_edges, single_exit): Use recorded exit lists.
4653         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
4654         (verify_loop_structure): Verify consistency of the exit lists.
4655         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
4656         (set_single_exit): Removed.
4657         * cfgloop.h (struct loop_exit): New function.
4658         (struct loop): single_exit_ field replaced by exits field.
4659         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
4660         (struct loops): Added exits hash.
4661         (mark_single_exit_loops, set_single_exit): Declaration removed.
4662         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
4663
4664 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
4665
4666         * doc/invoke.texi: Avoid use of @headitem.
4667
4668 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
4669
4670         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
4671
4672 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
4673
4674         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
4675         list of targets.
4676
4677 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
4678             Richard Sandiford  <richard@codesourcery.com>
4679
4680         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
4681         * config/m68k/m68k.opt: Resort options.
4682         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
4683
4684 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
4685             Richard Sandiford  <richard@codesourcery.com>
4686
4687         * doc/invoke.texi: Document the macros that are defined by
4688         m68k's -mtune and -mhard-float options.
4689         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
4690         (m68k_cpp_cpu_family): Likewise.
4691         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
4692         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
4693         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
4694         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
4695         (m68k_cpp_cpu_family): Likewise.
4696
4697 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
4698
4699         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
4700         macros besides mc68000 as tuning macros.  Use a switch statement
4701         to set them and mcpu32.
4702
4703 2007-01-12  Julian Brown  <julian@codesourcery.com>
4704
4705         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
4706         (TARGET_68040_ONLY): Rename to...
4707         (TARGET_68040): ...this.
4708         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
4709         * config/m68k/m68k.md: Likewise.
4710
4711 2007-01-12  Julian Brown  <julian@codesourcery.com>
4712             Nathan Sidwell  <nathan@codesourcery.com>
4713             Richard Sandiford  <richard@codesourcery.com>
4714
4715         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
4716         the -mcpu= argument associated with the --with-cpu setting.
4717         Define M68K_DEFAULT_TUNE to the default -mtune= option,
4718         if different from the one implied by the -mcpu setting.
4719         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
4720         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
4721         * doc/invoke.texi: Mention ColdFire in the introduction to the
4722         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
4723         -mno-div and -mhard-float options.  Make -m68881 a synonym for
4724         -mhard-float.  Document the previously-undocumented -m5206e,
4725         -m528x, -m5307 and -m5407 options.  Tweak the existing option
4726         documentation for consistency.
4727         * doc/install.texi: Mention new --with-cpu arguments.
4728         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
4729         default CPU if neither -mcpu nor -march are specified.
4730         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
4731         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
4732         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
4733         using m68k_tune to decide between families that implement the
4734         same ISA.  Use m68k_tune to set __mcfv4e__.
4735         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
4736         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
4737         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
4738         (FL_ISA_C, FL_ISA_MMU): New macros.
4739         (MASK_COLDFIRE): Delete.
4740         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
4741         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
4742         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
4743         (TARGET_HARD_FLOAT): Do not define here.
4744         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
4745         (TUNE_68000): New macro.
4746         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
4747         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
4748         (TUNE_CFV2): Redefine in terms of m68k_tune.
4749         (uarch_type, target_device, fpu_type): New enums.
4750         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
4751         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
4752         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
4753         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
4754         (FL_FOR_isa_c): New macros.
4755         (m68k_isa): New enum.
4756         (m68k_target_selection): New structure.
4757         (all_devices, all_isas, all_microarchs): New tables.
4758         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
4759         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
4760         (MASK_ALL_CPU_BITS): Delete.
4761         (m68k_find_selection): New function.
4762         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
4763         Map the legacy target options to a combination of the new ones.
4764         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
4765         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
4766         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
4767         settings.
4768         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
4769         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
4770         properties.
4771         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
4772         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
4773         * config/m68k/m68k-devices.def: New file.
4774
4775 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
4776             Nathan Sidwell  <nathan@codesourcery.com>
4777
4778         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
4779         (SUBTARGET_EXTRA_SPECS): New macros.
4780         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
4781         use %(asm_cpu_spec) instead.
4782         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
4783         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
4784         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
4785         (EXTRA_SPECS): Rename to...
4786         (SUBTARGET_EXTRA_SPECS): ...this.
4787
4788 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
4789             Richard Sandiford  <richard@codesourcery.com>
4790             Julian Brown  <julian@codesourcery.com>
4791
4792         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4793         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
4794         to the configuration's default CPU.
4795         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
4796         Remove default masks.
4797         (m680[012]0-*-*): Set the default with_cpu to the first part of
4798         the target name.
4799         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
4800         (m68k*-*-linux): Extend the --with-cpu handling to...
4801         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
4802         and m68010.  Don't set target_cpu_default2.
4803         * doc/install.texi: Document --with-cpu for m68k.
4804         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
4805         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
4806         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
4807         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
4808         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
4809         (ASM_SPEC): Remove use of %(asm_cpu_default).
4810         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
4811         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
4812         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
4813         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
4814         __HAVE_FPU__ if TARGET_HARD_FLOAT.
4815         (TARGET_DEFAULT): Delete.
4816         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
4817         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
4818         (CPP_CPU_SPEC): Delete.
4819         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
4820         the appropriate string.
4821         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
4822         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
4823         (ASM_SPEC): Don't use %(asm_default_spec).
4824         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
4825         TARGET_DEFAULT and add MASK_68881.
4826         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
4827
4828 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
4829
4830         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
4831         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
4832         MASK_68010 alongside MASK_68020.
4833         * doc/invoke.texi: Document -m68010.
4834         * config/m68k/m68k.opt (m68010): New.
4835         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
4836         if TUNE_68010.
4837         (TUNE_68010): New macro.
4838         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
4839         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
4840         (M68K_CPU_m68332): Add MASK_68010.
4841         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
4842         fallback definition.
4843         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
4844         defines.
4845         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
4846         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
4847         to all entries that use MASK_68020.
4848         (output_move_simode_const, output_move_himode, output_move_qimode)
4849         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
4850         instead of TARGET_68020 to select clr behavior.  Remove comment
4851         about there being no TARGET_68010.
4852         * config/m68k/m68k.md: Likewise throughout.
4853
4854 2007-01-12  Julian Brown  <julian@codesourcery.com>
4855
4856         * config/m68k/m68k.h (TARGET_ISAB): New macro.
4857         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
4858         * config/m68k/m68k.md: Likewise.
4859
4860 2007-01-12  Julian Brown  <julian@codesourcery.com>
4861
4862         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
4863         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
4864
4865 2007-01-12  Julian Brown  <julian@codesourcery.com>
4866
4867         * config/m68k/m68k.h (TUNE_68040_60): New macro.
4868         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
4869         * config/m68k/m68k.md: Likewise.
4870
4871 2007-01-12  Julian Brown  <julian@codesourcery.com>
4872             Richard Sandiford  <richard@codesourcery.com>
4873
4874         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
4875         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
4876         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
4877         TARGET_CPU32.
4878         (TARGET_CPU32): Rename to...
4879         (TUNE_CPU32): ...this.
4880         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
4881         (TUNE_CFV2): New macros.
4882         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
4883         remove conditions that are implied by TARGET_68020.
4884         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
4885         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
4886         (m68k_output_function_epilogue): Likewise.
4887         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
4888         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
4889         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
4890         non-68000 timings.  Refactor multiplication and division costs.
4891         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
4892         TUNE_CPU32 instead of TARGET_CPU32.
4893         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
4894         and TUNE_68060 instead of TARGET_68060.
4895         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
4896         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
4897         TARGET_CPU32.
4898         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
4899         && !TARGET_COLDFIRE" to choose between moveq and clr.
4900         Likewise in the unnamed movsf pattern.
4901         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
4902         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
4903         ashiftrt pattern.
4904
4905 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
4906
4907         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
4908         of tabbing before backslashes.
4909
4910 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4911
4912         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
4913         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
4914         (ASM_OUTPUT_INTERNAL_LABEL): Define.
4915
4916 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
4917
4918         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
4919         find_interesting_uses_cond.
4920         (find_interesting_uses_cond): Use extract_cond_operands.
4921         (rewrite_use_compare): Use extract_cond_operands and
4922         force_gimple_operand_bsi.  Do not call update_stmt.
4923         (determine_use_iv_cost_condition): Use extract_cond_operands.
4924         Return cheaper of using original bound and changing the exit bound.
4925
4926 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
4927
4928         PR tree-optimization/29516
4929         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
4930         most_expensive_mult_to_index, addr_to_parts,
4931         create_mem_ref, maybe_fold_tmr): Make the type of
4932         fields of TARGET_MEM_REF sizetype.
4933         (move_fixed_address_to_symbol, move_pointer_to_base):
4934         New functions.
4935         * tree.def (TARGET_MEM_REF): Add comment on types of
4936         the operands.
4937
4938 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
4939
4940         * c-common.c (vector_types_convertible_p): Treat opaque types as
4941         always convertible if they have the same size, but not otherwise.
4942
4943 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
4944
4945         * ifcvt.c (struct noce_if_info): Add comments to the fields.
4946         Remove the b_unconditional field.
4947         (noce_try_sign_mask): Do not look at b_unconditional.
4948         (noce_process_if_block): Do not use merge_if_blocks.  Update
4949         the CFG here.  Do not set b_unconditional.
4950         (cond_move_process_if_block): Likewise.
4951         (find_cond_trap): Likewise.
4952         (check_cond_move_block): Require simple jump insns at the end
4953         of the basic block.
4954
4955 2007-01-11  Jan Hubicka  <jh@suse.cz>
4956
4957         PR tree-optimization/1046
4958         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
4959         when alias info is not ready.
4960         (pass_tail_recursion): Do not require aliasing.
4961         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
4962         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
4963         * tree-ssa-copy.c (pass_copy_prop): Likewise.
4964         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
4965         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
4966         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
4967         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
4968         before inlining.
4969         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
4970         When aliasing is not build, mark statement as volatile.
4971
4972 2007-01-11  Tom Tromey  <tromey@redhat.com>
4973
4974         PR preprocessor/15185, PR preprocessor/20989:
4975         * doc/cppopts.texi <-MT>: Update description of algorithm for
4976         computing default target.
4977         <-M, -MD>: Reword "basename" text.
4978
4979 2007-01-11  Roger Sayle  <roger@eyesopen.com>
4980
4981         * builtins.c (expand_builtin_pow, expand_builtin_powi,
4982         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
4983         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
4984         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
4985         fold_builtin_bswap, real_constp, fold_builtin_pow,
4986         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
4987         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
4988         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
4989         * convert.c (convert_to_pointer): Likewise.
4990         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
4991         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
4992         const_binop, fold_convert_const_int_from_int,
4993         fold_convert_const_int_from_real,
4994         fold_convert_const_real_from_real, sign_bit_p,
4995         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
4996         fold_sign_changed_comparison, fold_unary, fold_comparison,
4997         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
4998         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
4999         * print-tree.c (print_node_brief, print_node): Likewise.
5000         * stor-layout.c (place_field, layout_type): Likewise.
5001         * tree-chrec.c (keep_cast): Likewise.
5002         * tree.c (build_vector, build_real, build_real_from_int_cst,
5003         build_complex): Likewise.
5004
5005 2007-01-11  Roger Sayle  <roger@eyesopen.com>
5006
5007         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
5008         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
5009
5010 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
5011
5012         * configure.ac (strict1_warn): Rename to strict_warn.
5013         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
5014         cc_set_by_configure, quoted_cc_set_by_configure,
5015         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
5016         all_boot_languages, all_stagestuff): Remove.
5017         (target_list): Remove bootstrap targets.
5018         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
5019         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
5020         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
5021         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
5022         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
5023         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
5024         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
5025         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
5026         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
5027         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
5028         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
5029         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
5030         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
5031         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
5032         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
5033         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
5034         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
5035         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
5036         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
5037         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
5038         (mostlyclean): Adjust.
5039         (clean, distclean): Don't mention bootstrap stuff.
5040         * configure: Regenerate.
5041         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
5042         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
5043         treelang/config-lang.in (stagestuff): Remove.
5044         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
5045         stageprofile, stagefeedback, stagestuff): Remove mention.
5046
5047 2007-01-11  Nick Clifton  <nickc@redhat.com>
5048
5049         * config/mcore/predicates.md (mcore_general_movesrc_operand):
5050         Accept CONSTs.
5051         (mcore_general_movdst_operand): Do not accept CONST_INTs.
5052         (mcore_arith_K_S_operand): Run the test for the S constraint not
5053         the test for the M constraint.
5054         (mcore_addsub_operand): Do not accept integer values that are
5055         larger than 32 bits.
5056         * config/mcore/mcore.md: Remove unused constraints from split.
5057         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
5058         (addsi3): Likewise.
5059         (allocate_stack): Likewise.
5060         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
5061         operands to 32 bits.
5062         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
5063         INTVAL.
5064         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
5065         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
5066         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
5067         mcore_output_bclri, mcore_output_andn, output_inline_const,
5068         mcore_output_move, mcore_output_movedouble): Likewise.
5069         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
5070         (output_inline_const): Likewise.
5071         (output_inline_const): Fix format strings used in sprintf
5072         statements.
5073         * config/mcore/mcore-protos.h: Update prototypes for changed
5074         functions in mcore.c.
5075         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
5076         HOST_WIDE_INT and not int.
5077         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
5078         CONST_OK_FOR_N): Likewise.
5079         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
5080         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
5081         an INTVAL.
5082
5083 2007-01-10  Jan Hubicka  <jh@suse.cz>
5084
5085         * tree-vrp.c (remove_range_assertions): Release defs.
5086         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
5087         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
5088
5089 2007-01-10  Paul Brook  <paul@codesourcery.com>
5090
5091         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
5092         * config/arm/arm.md (mulsi3subsi): New insn.
5093
5094 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
5095
5096         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
5097         (tree_transform_and_unroll_loop): New.
5098         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
5099         Declare.
5100
5101 2007-01-10  Robert Kennedy <jimbob@google.com>
5102
5103         * fold-const.c (fold_comparison): Fold comparisons like (x *
5104         1000 < 0) to (x < 0).
5105
5106 2007-01-10  Ian Lance Taylor  <iant@google.com>
5107
5108         * tree-pretty-print.c (dump_generic_node): Print parentheses when
5109         operands have the same priority.
5110
5111 2007-01-10  Tom Tromey  <tromey@redhat.com>
5112
5113         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
5114         (fold_binary): Likewise.
5115         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
5116         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
5117         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
5118         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
5119         * langhooks.h (struct lang_hooks): Removed field
5120         'can_use_bit_fields_p'.
5121
5122 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
5123
5124         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
5125
5126 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
5127
5128         * function.c (get_last_funcdef_no): New function.
5129         * function.h (get_last_funcdef_no): Declare.
5130         * tree-inline.c (initialize_cfun): Add initialization.
5131         (tree_function_versioning): Cleanup.
5132
5133 2007-01-10  Jan Hubicka  <jh@suse.cz>
5134
5135         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
5136         PHIs.
5137
5138 2007-01-10  Sa Liu  <saliu@de.ibm.com>
5139             Ben Elliston  <bje@au.ibm.com>
5140
5141         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
5142         for SAVE_NONLOCAL and Pmode for any other save level.
5143         * spu-protos.h (spu_restore_stack_block): Declare.
5144         * spu.md (save_stack_block): Remove.
5145         (restore_stack_block): Call spu_restore_stack_block.
5146         * spu.c (spu_restore_stack_block): New function.
5147         (spu_expand_epilogue): Remove old comment.
5148
5149 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
5150
5151         PR tree-optimization/30322
5152         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
5153         (cand_value_at): Return the value as aff_tree.
5154         (may_eliminate_iv): Convert the bound from aff_tree to tree.
5155         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
5156         aff_combination_mult): New functions.
5157         (aff_combination_add): Use aff_combination_add_cst.
5158         (aff_combination_convert): Allow conversions to a wider type.
5159         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
5160         * tree-affine.h (aff_combination_mult): Declare.
5161
5162 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
5163
5164         * doc/tm.texi: Update documentation to reflect reality of exec
5165         and start file search behaviours. Update copyright year.
5166         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
5167         header file directories.
5168
5169 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
5170
5171         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
5172         (*cosxf2): Rename to cosxf2_i387.
5173         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
5174         using X87MODEF12 mode macro. Rename patterns to
5175         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
5176         for SSE math.
5177         (*cosdf2, *cossf2): Ditto.
5178         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
5179         to match extended input operands.
5180         (sincos<mode>3): New expander.
5181         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
5182         insn patterns and corresponding splitters.
5183
5184 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
5185
5186         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
5187         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
5188
5189 2007-01-09  Nicolas Pitre  <nico@cam.org>
5190
5191         PR target/30173
5192         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
5193
5194 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
5195
5196         * target.h (struct gcc_target): New field library_rtti_comdat.
5197         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
5198         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
5199         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
5200         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
5201
5202 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
5203
5204         * doc/invoke.texi (Optimize Options): Correct description of -O0.
5205
5206 2007-01-08  Richard Guenther  <rguenther@suse.de>
5207
5208         * tree.h (force_fit_type_double): Export.
5209         (force_fit_type): Remove.
5210         * fold-const.c (force_fit_type_double): New function.
5211         (force_fit_type): Remove.
5212         (int_const_binop): Use it.
5213         (fold_convert_const_int_from_int): Likewise.
5214         (fold_convert_const_int_from_real): Likewise.
5215         (fold_div_compare): Likewise.
5216         (fold_sign_changed_comparison): Likewise.
5217         (fold_unary): Likewise.
5218         (fold_negate_const): Likewise.
5219         (fold_abs_const): Likewise.
5220         (fold_not_const): Likewise.
5221         * c-common.c (shorten_compare): Use force_fit_type_double.
5222         * convert.c (convert_to_pointer): Likewise.
5223
5224 2007-01-08  Richard Guenther  <rguenther@suse.de>
5225
5226         * tree.h (build_int_cst_wide_type): Export.
5227         * tree.c (build_int_cst_wide_type): New function.
5228         (build_int_cst_wide): Fix comment.
5229         * builtins.c (fold_builtin_object_size): Use build_int_cst
5230         to build -1 or 0 of the correct type.  Use fit_double_type
5231         to check for overflow.
5232         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
5233         to build the mask.
5234         (decode_field_reference): Likewise.
5235         (all_ones_mask_p): Likewise.
5236         (native_interpret_int): Use build_int_cst_wide_type.
5237         (fold_binary): Use build_int_cst_type to build an all-ones
5238         value.
5239         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
5240
5241 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
5242
5243         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
5244
5245 2007-01-09  Ben Elliston  <bje@au.ibm.com>
5246
5247         * genautomata.c (STATS_OPTION): New option.
5248         (stats_flag): New flag.
5249         (gen_automata_option): Handle it.
5250         (initiate_automaton_gen): Ditto.
5251         (write_automata): Output statistics only if stats_flag is
5252         set. Likewise, output time statistics only if time_flag is set.
5253         * doc/md.texi (Processor pipeline description): Document new flag.
5254
5255 2007-01-08  Richard Guenther  <rguenther@suse.de>
5256
5257         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
5258         * tree.c (build_int_cst_type): Likewise.
5259         (size_in_bytes): Don't call force_fit_type on the result.
5260         (int_fits_type_p): Use fit_double_type.
5261         * fold-const.c (fit_double_type): New function.
5262         (force_fit_type): Use it.
5263         * tree.h (fit_double_type): Export.
5264
5265 2007-01-08  Jan Hubicka  <jh@suse.cz>
5266
5267         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
5268         * ipa.c (function_and_variable_visibility): Fix return type.
5269
5270 2007-01-08  Richard Guenther  <rguenther@suse.de>
5271
5272         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
5273         of offset to build the index.
5274         * tree-pretty-print.c (dump_generic_node): Don't build negated
5275         const just for printing.
5276         * c-pretty-print.c (pp_c_integer_constant): Likewise.
5277         * builtins.c (fold_builtin_int_roundingfn): Check if result
5278         fits the type by using force_fit_type and comparing the result.
5279         * predict.c (predict_loops): Use compare_tree_int for comparison.
5280         * tree.c (build_int_cst): Fall back to integer_type_node for
5281         NULL_TREE type.
5282         (build_int_cst_wide): Assert type is non-null.
5283
5284 2007-01-08  Roberto Costa  <roberto.costa@st.com>
5285
5286         * tree-vrp.c (extract_range_from_cond_expr): New.
5287         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
5288         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
5289         as expressions.
5290         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
5291         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
5292         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
5293         used as expressions.
5294         * tree-object-size.c (cond_expr_object_size): New.
5295         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
5296
5297 2007-01-08  Jan Hubicka  <jh@suse.cz>
5298
5299         * tree-ssa-forwprop.c (forward_propagate_into_cond,
5300         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
5301         statement.
5302
5303 2007-01-08  Richard Guenther  <rguenther@suse.de>
5304
5305         PR tree-optimization/23603
5306         * tree-vrp.c (set_value_range_to_truthvalue): New function.
5307         (extract_range_from_binary): Fall back to truthvalue instead of
5308         varying for TRUTH_*_EXPR.
5309         (extract_range_from_comparison): Fall back to truthvalue instead of
5310         varying.
5311         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
5312         if all visited PHI values were constant.
5313
5314 2007-01-08  Jan Hubicka  <jh@suse.cz>
5315
5316         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
5317         (cgraph_analyze_function): break out from ...
5318         (cgraph_finalize_compilation_unit): ... here.
5319         (cgraph_expand_function): Remove forgoten commented out line.
5320         (cgraph_optimize): Analyze functions.
5321
5322 2007-01-08  Jan Hubicka  <jh@suse.cz>
5323
5324         * tree-pas.h (TODO_remove_function): New flag.
5325         (TODO_update*): Renumber.
5326         (pass_ipa_increase_alignment,
5327         pass_ipa_function_and_variable_visibility): New passes.
5328         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
5329         (cgraph_function_and_variable_visibility): Move to ipa.c
5330         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
5331         cgraph_increase_alignment.
5332         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
5333         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
5334         calling tree-inline.
5335         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
5336         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
5337         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
5338         (gate_increase_alignment): New function.
5339         (pass_ipa_increase_alignment): New pass.
5340         * ipa.c: Inline tree-pass.h and timevar.h
5341         (function_and_variable_visibility): Move here from cgraphunit.c
5342         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
5343         * passes.c (init_optimization_passes): Add the two new passes.
5344         (execute_todo): Handle cgraph_remove_functions.
5345
5346 2007-01-08  Nick Clifton  <nickc@redhat.com>
5347
5348         * config/frv/predicates.md (reg_or_0_operand): Accept
5349         CONST_DOUBLEs.
5350
5351 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
5352
5353         * config/bfin/rtems.h, config/bfin/t-rtems: New.
5354         * config.gcc: Add bfin*-rtems*.
5355
5356 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
5357
5358         * c.opt: Add -flax-vector-conversions.
5359         * c-typeck.c (convert_for_assignment): Pass flag to
5360         vector_types_convertible_p to allow emission of note.
5361         (digest_init): Likewise.
5362         * c-opts.c: Handle -flax-vector-conversions.
5363         * c-common.c (flag_lax_vector_conversions): New.
5364         (vector_types_convertible_p): Unless -flax-vector conversions
5365         has been passed, disallow conversions between vectors with
5366         differing numbers of subparts and/or element types.  If such
5367         a conversion is disallowed, possibly emit a note on the first
5368         occasion only to inform the user of -flax-vector-conversions.
5369         The new last argument specifies this.
5370         * c-common.h (flag_lax_vector_conversions): New.
5371         (vector_types_convertible_p): Add extra argument.
5372         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
5373         char_type_node for V*QI type vectors.
5374         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
5375         Update to satisfy new typechecking rules.
5376         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
5377         C and C++ variants.
5378         * doc/invoke.texi (C Dialect Options): Document
5379         -flax-vector-conversions.
5380
5381 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
5382
5383         PR tree-optimization/29877
5384         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
5385         a register variable on the RHS to not be replaceable.
5386
5387 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
5388         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
5389         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
5390         const_simm15, const_pow2, const_npow2): Added.
5391         * config/score/misc.md (insv, extv, extzv, movmemsi,
5392         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
5393         * config/score/score.c (score_address_cost, score_select_cc_mode):
5394         Added.
5395         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
5396         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
5397         Update score_print_operand.
5398         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
5399         Adjust register allocate order and update some macro define.
5400         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
5401         mdx_block_move_straight, mdx_block_move_loop_head,
5402         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
5403         mdx_block_move): Added.
5404         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
5405         mdp_limm): Updated and fix some bug and typo.
5406         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
5407         (movsf, movdf, doloop_end): Added.
5408
5409 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
5410
5411         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
5412         config/arm/thumb2.md: Fix comment typos.
5413         * doc/extend.texi: Fix a typo.
5414
5415 2007-01-07  Eric Christopher  <echristo@apple.com>
5416
5417         * configure.ac: Check for __stack_chk_fail for darwin.
5418         * configure: Regenerate.
5419
5420 2007-01-07  Richard Guenther  <rguenther@suse.de>
5421
5422         * tree-vrp.c (extract_range_from_assert): CSE calls to
5423         compare_values where possible.
5424         (extract_range_from_unary_expr): Likewise.
5425
5426 2007-01-07  Anatoly Sokolov <aesok@post.ru>
5427
5428         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
5429         * config/avr/avr.c (call_insn_operand): Delete function.
5430         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
5431         instead of register number. Use predicates.
5432         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
5433         call_insn_operand): Add.
5434
5435 2007-01-06  Jan Hubicka  <jh@suse.cz>
5436
5437         * tree-pass.h (pass_build_cgraph_edges): Declare.
5438         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
5439         (visited_nodes): Remove.
5440         (cgraph_create_edges): Move to cgraphbuild.c; rename to
5441         build_cgrpah_edges; make visited_nodes local.
5442         (cgraph_process_new_functions): DO not call initialize_inline_failed.
5443         (record_references_in_initializer): Move to cgraphbuild.c
5444         (initialize_inline_failed, rebuild_cgraph_edges,
5445         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
5446         (verify_cgraph_node): Make visited_nodes local.
5447         (cgraph_analyze_function): Do not call cgraph_create_edges and
5448         initialize_inline_failed.
5449         (cgraph_expand_function): Do not call cgraph_lower_function;
5450         assert that function is already lowered.
5451         * Makefile.in (cgraphbuild.o): New.
5452         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
5453         at the end of lowering passes.
5454
5455 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
5456
5457         * ifcvt.c (cond_move_convert_if_block): New function, code
5458         factored out from...
5459         (cond_move_process_if_block): ...here.  Call the new function
5460         on the THEN and ELSE blocks.
5461         (merge_if_block): Do not copy global_live_at_end, merge_blocks
5462         already takes care of this.
5463
5464 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5465
5466         PR c/19978
5467         * tree.h (TREE_OVERFLOW_P): New.
5468         * c-typeck.c (parser_build_unary_op): Warn only if result
5469         overflowed and operands did not.
5470         (parser_build_binary_op): Likewise.
5471         (convert_for_assignment): Remove redundant overflow_warning.
5472         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
5473
5474 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5475
5476         * c-typeck.c (store_init_value): Split over two lines to follow
5477         the GNU coding style.
5478
5479 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
5480
5481         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
5482         __GXX_EXPERIMENTAL_CXX0X__.
5483         * doc/cpp.texi: Same.
5484
5485 2007-01-05  Richard Guenther  <rguenther@suse.de>
5486
5487         PR middle-end/27826
5488         * tree.c (get_narrower): Do not construct COMPONENT_REFs
5489         with mismatched types.  Instead explicitly build a
5490         conversion NOP_EXPR.
5491
5492 2007-01-05  Ian Lance Taylor  <iant@google.com>
5493
5494         * c-common.c (decl_with_nonnull_addr_p): New function.
5495         (c_common_truthvalue_conversion): Call it.
5496         * c-typeck.c (build_binary_op): Likewise.
5497         * c-common.h (decl_with_nonnull_addr_p): Declare.
5498
5499 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
5500
5501         PR c/30360
5502         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
5503         denom against 0.0.
5504
5505 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
5506
5507         * doc/install.texi (Final install): Document the fact that
5508         the GNAT runtime should not be stripped.
5509
5510 2007-01-04  Jan Hubicka  <jh@suse.cz>
5511
5512         * tree-inline.c (fold_marked_statements): Update operand caches
5513         and EH after folding
5514
5515 2007-01-04  Ian Lance Taylor  <iant@google.com>
5516
5517         * c-common.c (check_function_nonnull): Whitespace fix.
5518
5519 2007-01-04  Jan Hubicka  <jh@suse.cz>
5520
5521         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
5522         comitted older version of patch.
5523         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
5524         function, celanup cfg and collect garbage.
5525
5526 2007-01-04  Mike Stump  <mrs@apple.com>
5527
5528         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
5529         (clean): Likewise.
5530
5531 2007-01-04  Eric Christopher  <echristo@apple.com>
5532
5533         * libgcc2.c (__bswapsi2): Use SItype.
5534         (__bswapdi2): Use DItype.
5535         * libgcc2.h: Update for above.
5536
5537 2007-01-04  Paul Brook  <paul@codesourcery.com>
5538
5539         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
5540         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
5541         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
5542         umulsidi3, umulsidi3adddi, smulsi3_highpart,
5543         umulsi3_highpart): Make conditional on !arm_arch6.
5544         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
5545         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
5546         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
5547         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
5548         umulsi3_highpart_v6): New insns.
5549
5550 2007-01-04  Roger Sayle  <roger@eyesopen.com>
5551
5552         * fold-const.c (fold_convert): When casting an expression to void,
5553         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
5554         have a type.  Instead of attempting to build a NOP_EXPR, return
5555         these "special" trees directly.
5556
5557 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
5558
5559         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
5560         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
5561         rs6000_cost->fp not 0 as adjustment for outer NEG.
5562
5563 2007-01-04  Jan Hubicka  <jh@suse.cz>
5564
5565         * cgraph.c (cgraph_release_function_body): New function.
5566         (cgraph_remove_node): Use it.
5567         * cgraph.h (cgraph_release_function_body): Declare.
5568         * cgraphunit.c (cgraph_expand_function): Use it.
5569         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
5570         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
5571         is initialized and while compilation of other function is running.
5572         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
5573         statement CFG annotations from here to ...
5574         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
5575
5576 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
5577
5578         * cfgloop.h (enum li_flags): Make the constants powers of two.
5579
5580 2007-01-04  Jan Hubicka  <jh@suse.cz>
5581
5582         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
5583         set.
5584         (fold_marked_statements): New function.
5585         (optimize_inline_calls, tree_function_versioning): Fold new statements.
5586         * tree-inline.h (copy_body_data): Add statements_to_fold.
5587
5588 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
5589
5590         * config.gcc: Mention libgcc/config.host.
5591         * Makefile.in: Update comments mentioning libgcc.
5592         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
5593         (all.cross, start.encap, rest.encap, rest.cross): Update
5594         dependencies for libgcc move.
5595         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
5596         (clean-target, clean-target-libgcc): Delete.
5597         (srcdirify, GCC_EXTRA_PARTS): New macros.
5598         (libgcc-support, libgcc.mvars): New rules.
5599         (distclean): Remove mention of mklibgcc.
5600         (install): Don't reference INSTALL_LIBGCC.
5601         (install-common): Don't reference EXTRA_PARTS.
5602         (install-libgcc, install-multilib): Delete rules.
5603         * mklibgcc.in: Delete file.
5604         * doc/configfiles.texi: Don't mention mklibgcc.
5605
5606         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
5607         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
5608         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
5609         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
5610         (mklibgcc, ldblspecs): Likewise.
5611
5612         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
5613         (posixpre.def): Use $(T).
5614         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
5615         (SHLIB_SRC, SHLIB_INSTALL): Delete.
5616         (SHLIB_LINK): Make dummy.
5617         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
5618
5619         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
5620
5621         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
5622         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
5623         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
5624         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
5625
5626         * configure.ac (all_outputs): Remove mklibgcc.
5627         * configure: Regenerated.
5628
5629 2007-01-03  Josh Conner  <jconner@apple.com>
5630
5631         PR middle-end/29683
5632         * calls.c (compute_argument_addresses): Set stack and stack_slot
5633         for partial args, too.
5634         (store_one_arg): Use locate.size.constant for the size when
5635         generating a save_area.
5636
5637 2007-01-03  Robert Kennedy <jimbob@google.com>
5638
5639         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
5640         whose definitions are deleted due to basic block merging.
5641
5642 2007-01-03  Paul Brook  <paul@codesourcery.com>
5643
5644         PR target/16634
5645         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
5646         functions.
5647         (use_return_insn): Return 0 for Thumb interrupt functions.
5648         (print_multi_reg): Add rfe argument for IRQ returns.
5649         (arm_output_epilogue): Pop interrupt return address directly into PC.
5650         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
5651
5652 2007-01-03  Paul Brook  <paul@codesourcery.com>
5653
5654         Merge from sourcerygxx-4_1.
5655         * config/arm/thumb2.md: New file.
5656         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
5657         Thumb-2.
5658         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
5659         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
5660         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
5661         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
5662         tables.
5663         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
5664         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
5665         comptibility.
5666         * config/arm/ieee754-sf.S: Ditto.
5667         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
5668         (thumb1_base_register_rtx_p): ... to this.
5669         (thumb_index_register_rtx_p): Rename...
5670         (thumb1_index_register_rtx_p): ... to this.
5671         (thumb_output_function_prologue): Rename...
5672         (thumb1_output_function_prologue): ... to this.
5673         (thumb_legitimate_address_p): Rename...
5674         (thumb1_legitimate_address_p): ... to this.
5675         (thumb_rtx_costs): Rename...
5676         (thumb1_rtx_costs): ... to this.
5677         (thumb_compute_save_reg_mask): Rename...
5678         (thumb1_compute_save_reg_mask): ... to this.
5679         (thumb_final_prescan_insn): Rename...
5680         (thumb1_final_prescan_insn): ... to this.
5681         (thumb_expand_epilogue): Rename...
5682         (thumb1_expand_epilogue): ... to this.
5683         (arm_unwind_emit_stm): Rename...
5684         (arm_unwind_emit_sequence): ... to this.
5685         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
5686         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
5687         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
5688         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
5689         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
5690         thumb2_output_casesi): New functions.
5691         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
5692         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
5693         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
5694         THUMB2_WORK_REGS): Define.
5695         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
5696         arm_condexec_mask, arm_condexec_masklen)): New variables.
5697         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
5698         (arm_override_options): Check new CPU capabilities.
5699         Set new architecture flag variables.
5700         (arm_isr_value): Handle v7m interrupt functions.
5701         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
5702         Thumb-2.
5703         (const_ok_for_arm): Handle Thumb-2 constants.
5704         (arm_gen_constant): Ditto.  Use movw when available.
5705         (arm_function_ok_for_sibcall): Return false for v7m interrupt
5706         functions.
5707         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
5708         (thumb_find_work_register, arm_load_pic_register,
5709         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
5710         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
5711         print_multi_reg, output_mov_long_double_fpa_from_arm,
5712         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
5713         output_mov_double_fpa_from_arm, output_move_double,
5714         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
5715         output_return_instruction, arm_output_function_prologue,
5716         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
5717         arm_output_mi_thunk, thumb_set_return_address): Ditto.
5718         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
5719         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
5720         (arithmetic_instr, shift_op): Use arm_shift_nmem.
5721         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
5722         '!' and 'L'.
5723         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
5724         (thumb_expand_prologue): Use thumb_set_frame_pointer.
5725         (arm_file_start): Output directive for unified syntax.
5726         (arm_unwind_emit_set): Handle stack alignment instruction.
5727         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
5728         Add v6t2, v7, v7a, v7r and v7m.
5729         (RETLDM): Add Thumb-2 code.
5730         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
5731         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
5732         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
5733         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
5734         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
5735         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
5736         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
5737         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
5738         ADJUST_INSN_LENGTH): Define.
5739         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
5740         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
5741         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
5742         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
5743         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
5744         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
5745         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
5746         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
5747         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
5748         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
5749         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
5750         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
5751         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
5752         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
5753         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
5754         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
5755         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
5756         cortex-m3.
5757         * config/arm/arm-tune.md: Regenerate.
5758         * config/arm/arm-protos.h: Update prototypes.
5759         * config/arm/vfp.md: Enable patterns for Thumb-2.
5760         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
5761         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
5762         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
5763         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
5764         * config/arm/libunwind.S: Add Thumb-2 code.
5765         * config/arm/constraints.md: Update include Thumb-2.
5766         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
5767         * config/arm/ieee754-df.S: Ditto.
5768         * config/arm/bpabi.S: Ditto.
5769         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
5770         * config/arm/predicates.md (low_register_operand,
5771         low_reg_or_int_operand, thumb_16bit_operator): New.
5772         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
5773         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
5774         * config/arm/t-arm-elf: Add armv7 multilib.
5775         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
5776         Include thumb2.md.
5777         (UNSPEC_STACK_ALIGN, ce_count): New.
5778         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
5779         arm_zero_extendsidi2, arm_zero_extendqidi2): New
5780         insns/expanders.
5781         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
5782         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
5783         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
5784         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
5785         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
5786         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
5787         insns.
5788         * doc/extend.texi: Document ARMv7-M interrupt functions.
5789         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
5790
5791 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
5792
5793         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
5794         (struct _Unwind_Context): Rename args_size to flags, remove
5795         signal_frame field, add a new args_size field and version field.
5796         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
5797         _Unwind_IsExtendedContext): New inline functions.
5798         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
5799         Assume by_value array is only present if _Unwind_IsExtendedContext.
5800         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
5801         _Unwind_IsSignalFrame.
5802         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
5803         (uw_update_context_1): Use _Unwind_SetSignalFrame.
5804         (uw_init_context_1): Initialize context->flags to
5805         EXTENDED_CONTEXT_BIT.
5806         * config/rs6000/linux-unwind.h (frob_update_context): Use
5807         _Unwind_SetSignalFrame.
5808
5809 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5810
5811         PR middle-end/30353
5812         * gimplify.c (gimplify_modify_expr_complex_part): Move below
5813         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
5814         the value.
5815
5816 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
5817
5818         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
5819         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
5820         RET, AT_SP): Remove.
5821         * config/i386/i386.md (*sse_prologue_save_insn): Use return
5822         instead of RET.
5823
5824         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
5825         * cfgbuild.c (find_basic_blocks): Likewise.
5826         * cfgrtl.c (rtl_create_basic_block): Likewise.
5827         * function.c (temp_slots_at_level): Likewise.
5828         * reg-stack.c (stack_regs_mentioned): Likewise.
5829         * regclass.c (allocate_reg_info): Likewise.
5830         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
5831         set_bb_for_stmt, move_block_to_fn): Likewise.
5832         * tree-complex.c (tree_lower_complex): Likewise.
5833         * vec.h (VEC_safe_grow_cleared): New.
5834
5835         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
5836
5837 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
5838
5839         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
5840         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
5841         to loop_version.
5842         * cfgloopmanip.c (scale_loop_frequencies): Export.
5843         (loopify): Scale the frequencies by prescribed coefficients.
5844         (set_zero_probability): New function.
5845         (duplicate_loop_to_header_edge): Improve updating of frequencies.
5846         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
5847         and frequencies according to arguments.
5848         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
5849         correctly.
5850         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
5851         * modulo-sched.c (sms_schedule): Set probabilities for entering
5852         versioned loop correctly.
5853         * tree-vect-transform.c (vect_transform_loop): Ditto.
5854         * cfgloop.h (loopify, loop_version): Declaration changed.
5855         (scale_loop_frequencies): Declared.
5856
5857 2007-01-02  Jan Hubicka  <jh@suse.cz>
5858
5859         * cgraph.c: Include tree-flow.h
5860         (cgraph_add_new-function): Handle IPA_SSA mode; execute
5861         early_local_passes.
5862         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
5863         * tree-pass.h (pass_all_early_optimizations): Declare.
5864         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
5865         early_local_passes.
5866         (cgraph_analyze_function): Do early_local_passes.
5867         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
5868         Do not add referenced vars.
5869         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
5870         SSA form.
5871         (gate_all_early_local_passes): New gate.
5872         (pass_early_local_passes): Use new gate.
5873         (execute_early_local_optimizations): New functions.
5874         (gate_all_early_optimizations): New gate.
5875         (pass_all_early_optimizations): New pass.
5876         (execute_free_datastructures): Free SSA only when initialized.
5877         (gate_init_datastructures): Init only when optimizing.
5878         (tree_lowering_passes): Do early local passes when called late.
5879         * tree-profile.c (do_tree_profiling): Don't profile functions added
5880         late.
5881         (do_early_tree_profiling, pass_early_tree_profile): Kill.
5882         * tree-cfg.c (update_modified_stmts): Do not update when operands are
5883         not active.
5884         * passes.c (init_optimizations_passes): Reorder so we go into SSA
5885         during early_local_passes.
5886         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
5887
5888
5889 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
5890
5891         * Makefile.in: Update copyright year.
5892
5893 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
5894
5895         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
5896         in $(lang_checks) and check-consistency targets.
5897
5898 2007-01-02  Jan Hubicka  <jh@suse.cz>
5899
5900         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
5901         Do not add referenced vars.
5902         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
5903         are not active.
5904         * passes.c (init_optimization_passes): Put mudflap_2 after
5905         free_datastructures.
5906
5907 2007-01-02  Jan Hubicka  <jh@suse.cz>
5908
5909         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
5910         Set NOTHROW flag on call statements proved to be nothrow.
5911         Update statement of local calls so new pure/const functions are
5912         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
5913         goto receivers.
5914         (tree_rest_of_compilation): Register hooks and initialize bitmap
5915         early. Do not set after_inlining flag.
5916
5917 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
5918
5919         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
5920         HOST_BITS_PER_LONGLONG
5921
5922 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5923
5924         PR c/19977
5925         * c-typeck.c (store_init_value): Don't emit pedantic overflow
5926         warning for non-static initializers.
5927
5928 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
5929
5930         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
5931         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
5932         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
5933         Always use set_unique_reg_note to add REG_EQUAL notes.
5934
5935 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
5936
5937         Revert:
5938         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
5939
5940         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
5941         * cfgbuild.c (find_basic_blocks): Likewise.
5942         * cfgrtl.c (rtl_create_basic_block): Likewise.
5943         * function.c (temp_slots_at_level): Likewise.
5944         * reg-stack.c (stack_regs_mentioned): Likewise.
5945         * regclass.c (allocate_reg_info): Likewise.
5946         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
5947         set_bb_for_stmt, move_block_to_fn): Likewise.
5948         * tree-complex.c (tree_lower_complex): Likewise.
5949         * vec.h (VEC_safe_grow_cleared): New.
5950
5951 2007-01-02  Ian Lance Taylor  <iant@google.com>
5952
5953         * c-common.c (c_common_truthvalue_conversion): When warning about
5954         using an assignment as a truth value, set TREE_NO_WARNING.
5955
5956 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5957
5958         PR middle-end/7651
5959         * c.opt (Wold-style-declaration): New.
5960         * doc/invoke.texi (C-only Warning Options): New.
5961         (Wold-style-declaration): Document it.
5962         (Wextra): Enabled by -Wextra.
5963         * c-opts.c (c_common_post_options): Enabled by -Wextra.
5964         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
5965         -Wold-style-declaration.
5966
5967 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
5968
5969         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
5970         * cfgbuild.c (find_basic_blocks): Likewise.
5971         * cfgrtl.c (rtl_create_basic_block): Likewise.
5972         * function.c (temp_slots_at_level): Likewise.
5973         * reg-stack.c (stack_regs_mentioned): Likewise.
5974         * regclass.c (allocate_reg_info): Likewise.
5975         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
5976         set_bb_for_stmt, move_block_to_fn): Likewise.
5977         * tree-complex.c (tree_lower_complex): Likewise.
5978         * vec.h (VEC_safe_grow_cleared): New.
5979
5980 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
5981
5982         * c-common.c (c_common_nodes_and_builtins): Since variants of
5983         void_type_node get built before it is given a name, we need to
5984         give those variants the name, too.
5985         (complete_array_type): We need to work with the canonical main
5986         type of the array, from which we will build the qualified version.
5987         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
5988         * print-tree.c (print_node): Display canonical type information
5989         for each type.
5990         * stor-layout.c (layout_type): When we don't know the
5991         alignment of a type for which we're building an array, we end up
5992         guessing wrong, so make the type require structural equality.
5993         * tree.c (make_node_stat): When we build a new type, it is its
5994         own canonical type.
5995         (build_type_attribute_qual_variant): When building an attribute
5996         variant, its canonical type is the non-attribute variant. However,
5997         if the attributes are target-dependent and they differ, we need to
5998         use structural equality checks for this type.
5999         (build_qualified_type): A qualified type is not equivalent to its
6000         unqualified variant; set the canonical type appropriately.
6001         (build_distinct_type_copy): When building a distinct type from
6002         another type, the new type is its own canonical type.
6003         (build_variant_type_copy): When building a new type variant, we
6004         assume that it is equivalent to the original type.
6005         (build_pointer_type_for_mode): When building a pointer type, also
6006         build a canonical type pointer.
6007         (build_reference_type_for_mode): When building a reference type,
6008         also build a canonical type reference.
6009         (build_index_type): When we can't hash an index type (e.g.,
6010         because its maximum value is negative), the index type requires
6011         structural equality tests.
6012         (build_array_type): Build the canonical form of an array type.
6013         (build_function_type): Function types require structural equality,
6014         because they contain default arguments, attributes, etc.
6015         (build_method_type_directly): Ditto for method types.
6016         (build_offset_type): Build the canonical offset type.
6017         (build_complex_type): Build the canonical vector type.
6018         (make_vector_type): Build the canonical vector type.
6019         * tree.h (TYPE_CANONICAL): New.
6020         (TYPE_STRUCTURAL_EQUALITY_P): New.
6021         (SET_TYPE_STRUCTURAL_EQUALITY): New.
6022         (struct tree_type): Added "canonical" field.
6023         * params.h (VERIFY_CANONICAL_TYPES): New.
6024         * doc/c-tree.texi (TYPE_CANONICAL): Document.
6025         (TYPE_STRUCTURAL_EQUALITY_P): Document.
6026         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
6027         * doc/invoke.texi (verify-canonical-types): Document --param
6028         parameter for verifying canonical types.
6029
6030 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6031
6032         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
6033         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
6034         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
6035         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
6036         tm_file.
6037         * config/rs6000/e500.h: New.
6038         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
6039         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
6040         Remove.
6041         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
6042         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
6043         TARGET_E500_DOUBLE): Remove.
6044         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
6045         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
6046         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
6047         * config/rs6000/rs6000.c (rs6000_override_options): Use
6048         CHECK_E500_OPTIONS.
6049
6050 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6051
6052         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
6053         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
6054         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
6055         rs6000_emit_cmove): Don't check TARGET_E500.
6056         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
6057         sordered): Don't check TARGET_E500.
6058
6059 2007-01-01  Eric Christopher  <echristo@apple.com>
6060
6061         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
6062         HARD_REGISTER_NUM_P.
6063
6064 2007-01-01  Roger Sayle  <roger@eyesopen.com>
6065
6066         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
6067         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
6068         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
6069         eq/ne Y".
6070
6071 2007-01-01  Mike Stump  <mrs@apple.com>
6072
6073         * configure.ac: Remove support for building with Apple's gcc-3.1.
6074
6075 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6076
6077         PR middle-end/30311
6078         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
6079         REG is a hard register.  Do not modify REG before calling
6080         subreg_nregs.
6081         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
6082         multiple of the size of YMODE for certain lowpart cases.
6083
6084 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6085
6086         PR middle-end/30253
6087         * gimplify (voidify_wrapper_expr): Update for
6088         GIMPLE_MODIFY_STMT.
6089
6090 2007-01-01  Andreas Schwab  <schwab@suse.de>
6091
6092         PR target/29166
6093         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
6094         save of BR0 in extra_spill_size instead of spill_size.
6095         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
6096         area.
6097         (ia64_expand_epilogue): Restore BR0 from its new location.
6098
6099 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6100
6101         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
6102         Use a temporary variable if the left hand side is not a gimple
6103         register.
6104
6105 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6106
6107         * gimplify.c (gimplify_return_expr): Make the temporary variable
6108         for the return expression, a gimple register variable.
6109
6110 2007-01-01  Jan Hubicka  <jh@suse.cz>
6111
6112         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
6113         INSN_LIST.
6114
6115 2007-01-01  Mike Stump  <mrs@apple.com>
6116
6117         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
6118         .literal16.
6119         * config/darwin.c (machopic_select_rtx_section): Use
6120         HAVE_GAS_LITERAL16.
6121         (darwin_mergeable_constant_section): Likewise.
6122         * configure: Regenerate.
6123         * config.in: Regenerate.
6124
6125 2007-01-01  Jan Hubicka  <jh@suse.cz>
6126             Andrew Pinski  <pinskia@gmail.com>
6127
6128         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
6129         before starting IPA passes.