gcc/ChangeLog

   1 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
   2
   3         PR middle-end/30761
   4         * reload1.c (eliminate_regs_in_insn): In the single_set special
   5         case, attempt to re-recognize the insn before falling back to
   6         having reload fix it up.
   7
   8 2007-02-20  Eric Christopher  <echristo@gmail.com>
   9
  10         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
  11         Rewrite accordingly.
  12         (frv_read_iacc_argument): Ditto.
  13         (frv_expand_set_builtin): Take a call instead of arglist, update for
  14         above changes.
  15         (frv_expand_unop_builtin): Ditto.
  16         (frv_expand_binop_builtin): Ditto.
  17         (frv_expand_cut_builtin): Ditto.
  18         (frv_expand_binopimm_builtin): Ditto.
  19         (frv_expand_voidbinop_builtin): Ditto.
  20         (frv_expand_int_void2arg): Ditto.
  21         (frv_expand_prefetches): Ditto.
  22         (frv_expand_voidtriop_builtin): Ditto.
  23         (frv_expand_voidaccop_builtin): Ditto.
  24         (frv_expand_load_builtin): Ditto.
  25         (frv_expand_store_builtin): Ditto.
  26         (frv_expand_mdpackh_builtin): Ditto.
  27         (frv_expand_mclracc_builtin): Ditto.
  28         (frv_expand_mrdacc_builtin): Ditto.
  29         (frv_expand_mwtacc_builtin): Ditto.
  30         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
  31         calls for above.
  32
  33 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
  34
  35         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
  36         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
  37         cmpb instruction.
  38         (HAVE_GAS_DFP): Check for assembler support of decimal floating
  39         point instructions.
  40         * configure: Regenerate.
  41         * config.in: Regenerate.
  42         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
  43         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
  44         masks to power6 and power6x and to POWERPC_MASKS.
  45         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
  46         _ARCH_PWR6.
  47         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
  48         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
  49         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
  50         Access PROTOTYPE as variable, not mask.
  51
  52 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
  53
  54         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
  55         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
  56         * combine.c (adjust_for_new_dest): Use it.
  57         * postreload.c (reload_combine): Likewise.
  58
  59 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
  60
  61         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
  62         notes on an insn with multiple sets, even if single_set returns
  63         non-NULL for that insn.
  64
  65 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
  66
  67         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
  68         scalbn and scalbln.
  69
  70 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
  71
  72         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
  73         if user didn't pass it.
  74         * config/i386/darwin.h (CC1_SPEC): Likewise.
  75         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
  76         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
  77         -mmacosx-version-min.
  78
  79 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
  80             Uros Bizjak  <ubizjak@gmail.com>
  81
  82         * optabs.h (enum optab_index): Add new OTI_scalb.
  83         (scalb_optab): Define corresponding macro.
  84         * optabs.c (init_optabs): Initialize scalb_optab.
  85         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
  86         patterns.
  87         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
  88         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
  89         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
  90         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
  91         flag_unsafe_math_optimizations is set.
  92
  93         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
  94         to implement scalbf, scalb and scalbl built-ins as inline x87
  95         intrinsics.
  96
  97 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
  98             DJ Delorie <dj@redhat.com>
  99
 100         PR other/30824
 101         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
 102         (diagnostic_report_diagnostic): ... here, and turn them into real
 103         errors. If warnings are inhibited, no need to do anything.
 104
 105 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
 106
 107         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
 108         better code generation.
 109
 110 2007-02-20  Ben Elliston  <bje@au.ibm.com>
 111
 112         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
 113
 114 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
 115
 116         * config/alpha/alpha.c, config/alpha/alpha.md,
 117         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
 118         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
 119         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
 120         config/arm/lib1funcs.asm: Follow spelling conventions.
 121
 122         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
 123         config/fr30/fr30.md, config/i386/i386.h,
 124         config/iq2000/iq2000.h, config/iq2000/predicates.md,
 125         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
 126         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
 127         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
 128         config/rs6000/altivec.md, config/rs6000/rs6000.c,
 129         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
 130         config/sparc/sparc.c, config/sparc/sparc.h,
 131         config/sparc/sparc.md, config/spu/constraints.md,
 132         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
 133         conventions.
 134
 135 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
 136
 137         PR target/29943
 138         * varasm.c (use_blocks_for_decl_p): Return false for decls with
 139         alias attribute.
 140
 141 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
 142
 143         * doc/invoke.texi (-ftree-lrs): Remove.
 144
 145 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
 146
 147         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
 148         NULL.
 149
 150 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
 151
 152         * config/ia64/ia64.c (ia64_expand_builtin): Use the
 153         new CALL_EXPR_FN macro for retrieving the function
 154         declaration of the input expression.
 155
 156 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 157
 158         * c.opt (Waddress): New.
 159         * common.opt (Walways-true): Delete.
 160         (Wstring-literal-comparison): Delete.
 161         * doc/invoke.texi (Warning Options): Delete -Walways-true and
 162         -Wstring-literal-comparison. Add -Waddress.
 163         (Waddress): New.
 164         (Walways-true): Delete.
 165         (Wstring-literal-comparison): Delete.
 166         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
 167         consistently instead of -Walways-true in example.
 168         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
 169         * c-typeck.c (parser_build_binary_op): Replace
 170         -Wstring-literal-comparison and -Walways-true with -Waddress.
 171         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
 172         with -Waddress.
 173
 174 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
 175
 176         * tree-cfg.c (dump_function_to_file): Be prepared for functions
 177         without DECL_STRUCT_FUNCTION initialized.
 178
 179 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
 180
 181         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
 182         due to calls to functions taking pointers as parameters.
 183
 184 2007-02-19  Richard Henderson  <rth@redhat.com>
 185
 186         PR debug/29558
 187         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
 188         in memory.
 189
 190 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
 191
 192         * config/s390/s390.c (s390_call_saved_register_used,
 193         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
 194         accessed to the new scheme.
 195
 196 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
 197
 198         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
 199         (cris_print_index, cris_print_operand, cris_print_operand_address)
 200         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
 201         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
 202         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
 203         GET_CODE () == xxx.
 204         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
 205         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
 206         GO_IF_LEGITIMATE_ADDRESS): Ditto.
 207         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
 208         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
 209         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
 210         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
 211         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
 212         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
 213         (uminsi3, call, call_value): Ditto.
 214         (define_split: indir_to_reg_split, unnamed): Ditto.
 215
 216 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
 217
 218         PR tree-optimization/30975
 219         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
 220         wrong assert.
 221
 222 2007-02-18  Eric Christopher  <echristo@gmail.com>
 223
 224         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
 225         Remove use of arglist.
 226         (mips_expand_builtin): Remove use of arglist, pass in expr.
 227         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
 228         (mips_expand_builtin_movtf): Ditto.
 229         (mips_expand_builtin_compare): Ditto.
 230
 231 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
 232
 233         * tree-sra.c (sra_build_assignment): Replace assertion
 234         checking with a comment explaining why it can't be done.
 235
 236 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
 237
 238         PR middle-end/30833
 239         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
 240         during CALL_EXPR representation conversion.
 241         * tree-ssa-propagate.c (set_rhs): Likewise.
 242
 243 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
 244
 245         * tree-sra.c (sra_build_assignment): Disable assertion checking
 246         for now.
 247
 248 2007-02-18  Roger Sayle  <roger@eyesopen.com>
 249
 250         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
 251         instead of calling build2 with a GIMPLE_MODIFY_STMT.
 252         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
 253         Likewise.
 254         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
 255         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
 256         gimplify_init_ctor_eval_range, gimple_push_cleanup,
 257         gimplify_omp_for, gimplify_omp_atomic_pipeline,
 258         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
 259         force_gimple_operand): Likewise.
 260         * ipa-cp.c (constant_val_insert): Likewise.
 261         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
 262         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
 263         perfect_nestify): Likewise.
 264         * langhooks.c (lhd_omp_assignment): Likewise.
 265         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
 266         lower_copyprivate_clauses, lower_send_clauses,
 267         lower_send_shared_vars, expand_parallel_call,
 268         expand_omp_for_generic, expand_omp_for_static_nochunk,
 269         expand_omp_for_static_chunk, expand_omp_sections,
 270         lower_omp_single_copy, lower_omp_for_lastprivate,
 271         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
 272         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
 273         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
 274         Likewise.
 275
 276 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
 277
 278         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
 279         config/sh/sh.md: Follow spelling conventions.
 280
 281         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
 282         config/frv/predicates.md: Follow spelling conventions.
 283
 284         * config/m68k/linux-unwind.h: Fix a comment typo.
 285         * target.h: Follow spelling conventions.
 286
 287 2007-02-18  Roger Sayle  <roger@eyesopen.com>
 288
 289         PR rtl-optimization/28173
 290         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
 291         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
 292         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
 293         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
 294         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
 295
 296 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 297
 298         * builtins.c (fold_builtin_load_exponent): New.
 299         (fold_builtin_2): Use it.
 300
 301 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
 302
 303         PR rtl-optimization/30773
 304         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
 305         if we fail to attach a REG_EQUIV note.
 306
 307 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
 308             Roger Sayle  <roger@eyesopen.com>
 309
 310         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
 311
 312 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
 313
 314         * calls.c (initialize_argument_information): Pass original EXP
 315         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
 316         code to split complex arguments here, as part of initializing the
 317         ARGS array.
 318         (expand_call): Remove code that builds a list of arguments and
 319         inserts implicit arguments into it.  Instead, just count how many
 320         implicit arguments there will be so we can determine the size of
 321         the ARGS array, and let initialize_argument_information do the work.
 322         (split_complex_values): Delete unused function.
 323
 324 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
 325
 326         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
 327
 328 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
 329
 330         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
 331         for arg pointer based indexed addressing.
 332
 333 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
 334
 335         * config/ia64/ia64.h, config/ia64/ia64.md,
 336         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
 337         spelling conventions.
 338
 339 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
 340
 341         * config/m68k/m68k.c (split_di): New.
 342         * config/m68k/m68k-protos.h: Declare split_di.
 343         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
 344           Improve predicate handling and split constant shifts.
 345
 346 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
 347
 348         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
 349         parameter for register bitfield operations, general predicates
 350         cleanup
 351
 352 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
 353
 354         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
 355         * config/m68k/linux-unwind.h: New file.
 356
 357 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
 358
 359         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
 360         config/i386/athlon.md, config/ia64/ia64.md,
 361         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
 362         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
 363         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
 364         tree-ssa-loop-niter.c, tree-vect-analyze.c,
 365         tree-vect-transform.c: Fix comment typos.
 366
 367 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
 368
 369         * sched-deps.c (find_insn_list): Remove.
 370         * sched-int.h: Remove the prototype for find_insn_list.
 371
 372 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
 373
 374         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
 375         to linker.
 376         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
 377         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
 378         darwin_rs6000_override_options.
 379         (C_COMMON_OVERRIDE_OPTIONS): Expect
 380         darwin_macosx_version_min to be non-NULL always.
 381         (TARGET_C99_FUNCTIONS): Likewise.
 382         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
 383         (DARWIN_MINVERSION_SPEC): New.
 384         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
 385         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
 386         to cc1*.
 387         (DARWIN_MINVERSION_SPEC): New.
 388         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
 389         value.
 390         * config/darwin-c.c (darwin_cpp_builtins): Expect
 391         darwin_macosx_version_min to be non-NULL always.
 392
 393         * config/rs6000/rs6000.c: Clean up trailing whitespace.
 394
 395 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
 396
 397         * config/i386/i386.h (x86_use_xchgb): New.
 398         (TARGET_USE_XCHGB): New macro.
 399         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
 400         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
 401         Split after reload into bswaphi for shifts of 8.
 402         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
 403         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
 404         or when optimizing for size.
 405
 406 2007-02-16  Richard Guenther  <rguenther@suse.de>
 407             Christian Bruel  <christian.bruel@st.com>
 408
 409         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
 410         DECLs but prefer SSA_NAMEs over DECLs.
 411
 412 2007-02-16  Richard Guenther  <rguenther@suse.de>
 413
 414         * tree-flow-inline.h (single_imm_use_p): Remove.
 415         (zero_imm_uses_p): Likewise.
 416         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
 417         instead of single_imm_use_p.
 418         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
 419         zero_imm_uses_p.
 420
 421 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 422
 423         PR other/27843
 424         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
 425         nested double- and backquotes.
 426
 427 2007-02-15  Roger Sayle  <roger@eyesopen.com>
 428
 429         PR middle-end/30391
 430         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
 431         should be unreachable.
 432         (build2_stat): Allow construction of MODIFY_EXPR at any time.
 433         For the time being redirect GIMPLE_MODIFY_STMT to the new
 434         (renamed) build_gimple_modify_stmt_stat.
 435         (build2_gimple_stat): Rename to...
 436         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
 437         Always build a GIMPLE_MODIFY_STMT node.
 438         * tree.h (build2_gimple, build2_gimple_stat): Delete.
 439         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
 440         declarations.
 441
 442         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
 443         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
 444         * tree-complex.c (set_component_ssa_name, expand_complex_move,
 445         expand_complex_div_wide): Likewise.
 446         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
 447         * tree-ssa-loop-im.c (schedule_sm): Likewise.
 448         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
 449         * tree-ssa-loop-manip.c (create_iv): Likewise.
 450         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
 451         abs_replacement): Likewise.
 452         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
 453         realify_fake_stores): Likewise.
 454
 455         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
 456         node rather than a GIMPLE_MODIFY_STMT node.
 457         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
 458         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
 459         Likewise.
 460         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
 461         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
 462         GIMPLE_MODIFY_STMT.
 463
 464 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 465
 466         PR middle-end/30433
 467         * fold-const.c (fold_comparison): Add back the
 468         folding of constant complex comparisions.
 469
 470 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 471
 472         PR middle-end/30729
 473         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
 474         effects unknown to this function, return early.
 475
 476 2007-02-15  Ian Lance Taylor  <iant@google.com>
 477
 478         * lower-subreg.c (move_eh_region_note): New static function.
 479         (resolve_simple_move): Call it.
 480         (decompose_multiword_subregs): Track blocks for which we resolve a
 481         simple move which is also a control flow insn.  Pass them to
 482         find_many_sub_basic_blocks.
 483         (pass_lower_subreg): Add TODO_verify_flow.
 484         (pass_lower_subreg2): Likewise.
 485
 486 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
 487             Brooks Moses  <brooks.moses@codesourcery.com>
 488             Lee Millward  <lee.millward@codesourcery.com>
 489
 490         * tree.h (enum tree_code_class): Add tcc_vl_exp.
 491         (VL_EXP_CLASS_P): New.
 492         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
 493         TREE_CODE_LENGTH.
 494         (TREE_OPERAND_CHECK_CODE): Likewise.
 495         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
 496         (TREE_RTL_OPERAND_CHECK): Likewise.
 497         (tree_operand_check_failed): Make second parameter the whole tree
 498         instead of its code.  Fixed callers.
 499         (VL_EXP_CHECK): New.
 500         (TREE_OPERAND_LENGTH): New.
 501         (VL_EXP_OPERAND_LENGTH): New.
 502         (CALL_EXPR_FN): New.
 503         (CALL_EXPR_STATIC_CHAIN): New.
 504         (CALL_EXPR_ARGS): New.
 505         (CALL_EXPR_ARG): New.
 506         (call_expr_nargs): New.
 507         (CALL_EXPR_ARGP): New.
 508         (build_nt_call_list): Declare.
 509         (build_vl_exp_stat): Declare.
 510         (build_vl_exp): New.
 511         (build_call_list): Declare.
 512         (build_call_nary): Declare.
 513         (build_call_valist): Declare.
 514         (build_call_array): Declare.
 515         (call_expr_arg): Declare.
 516         (call_expr_argp): Declare.
 517         (call_expr_arglist): Declare.
 518         (fold_build_call_list): Declare.
 519         (fold_build_call_list_initializer): Declare.
 520         (fold_call_expr): Declare to replace fold_builtin.
 521         (fold_builtin_fputs): Update to agree with modified definition.
 522         (fold_builtin_strcpy): Likewise.
 523         (fold_builtin_strncpy): Likewise.
 524         (fold_builtin_memory_chk): Likewise.
 525         (fold_builtin_stxcpy_chk): Likewise.
 526         (fold_builtin_strncpy_chk): Likewise.
 527         (fold_builtin_next_arg): Likewise.
 528         (fold_build_call_expr): Declare.
 529         (fold_builtin_call_list): Declare.
 530         (fold_builtin_call_valist): Declare.
 531         (build_call_expr): Declare.
 532         (validate_arglist): Update to agree with modified definition.
 533         (tree_operand_length): New.
 534         (call_expr_arg_iterator): New.
 535         (init_call_expr_arg_iterator): New.
 536         (next_call_expr_arg): New.
 537         (first_call_expr_arg): New.
 538         (more_call_expr_args_p): New.
 539         (FOR_EACH_CALL_EXPR_ARG): New.
 540
 541         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
 542         and tcc_gimple_stmt.
 543         (tree_code_size): Update documentation.  Use sizeof (tree) rather
 544         than sizeof (char *).
 545         (tree_size): Likewise.  Add case for tcc_vl_exp.
 546         (tree_node_structure): Add case for tcc_vl_exp.
 547         (contains_placeholder_p): Likewise.
 548         (substitute_in_expr): Likewise.
 549         (substitute_placeholder_in_expr): Likewise.
 550         (stabilize_reference_1): Likewise.
 551         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
 552         to diagnose breakage of this interface for constructing CALL_EXPRs.
 553         (build_nt): Add similar assertion here.
 554         (build_nt_call_list): New.
 555         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
 556         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
 557         TREE_CODE_LENGTH.
 558         (get_callee_fndecl): Use new CALL_EXPR accessors.
 559         (tree_operand_check_failed): Change parameters to pass entire node
 560         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
 561         (process_call_operands): New.
 562         (build_vl_exp_stat): New.
 563         (build_call_list): New.
 564         (build_call_nary): New.
 565         (build_call_valist): New.
 566         (build_call_array): New.
 567         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
 568         (call_expr_arglist): New.
 569
 570         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
 571         tcc_vl_exp instead of a fixed-size tcc_expression.
 572
 573         * doc/c-tree.texi (CALL_EXPR): Document new representation and
 574         accessors for CALL_EXPRs.
 575         (AGGR_INIT_EXPR): Likewise.
 576
 577 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
 578             Brooks Moses  <brooks.moses@codesourcery.com>
 579             Lee Millward  <lee.millward@codesourcery.com>
 580
 581         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
 582         (expand_builtin_nonlocal_goto): Change parameter to be entire
 583         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
 584         (expand_builtin_prefetch): Likewise.
 585         (expand_builtin_classify_type): Likewise.
 586         (mathfn_built_in): Return NULL_TREE instead of 0.
 587         (expand_errno_check): Use new CALL_EXPR accessors.
 588         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
 589         Return NULL_RTX instead of 0.
 590         (expand_builtin_mathfn_2): Likewise.
 591         (expand_builtin_mathfn_3): Likewise.
 592         (expand_builtin_interclass_mathfn): Likewise.
 593         (expand_builtin_sincos): Likewise.
 594         (expand_builtin_cexpi): Likewise.
 595         (expand_builtin_int_roundingfn): Likewise.
 596         (expand_builtin_int_roundingfn_2): Likewise.
 597         (expand_builtin_pow): Likewise.
 598         (expand_builtin_powi): Likewise.
 599         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
 600         of arglist, fixing callers appropriately.  Use new CALL_EXPR
 601         accessors and constructors.  Return NULL_RTX instead of 0.
 602         (expand_builtin_strstr): Likewise.
 603         (expand_builtin_strchr): Likewise.
 604         (expand_builtin_strrchr): Likewise.
 605         (expand_builtin_strpbrk): Likewise.
 606         (expand_builtin_memcpy): Likewise.
 607         (expand_builtin_mempcpy): Likewise.
 608         (expand_builtin_mempcpy_args): New.
 609         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
 610         (expand_builtin_memmove_args): New.
 611         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
 612         (expand_movstr): Likewise.
 613         (expand_builtin_strcpy): Likewise.
 614         (expand_builtin_strcpy_args): New.
 615         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
 616         (expand_builtin_strncpy): Likewise.
 617         (expand_builtin_memset): Likewise.
 618         (expand_builtin_memset_args): New.
 619         (expand_builtin_bzero): Similarly to expand_builtin_memset.
 620         (expand_builtin_memcmp): Likewise.
 621         (expand_builtin_strcmp): Likewise.
 622         (expand_builtin_strncmp): Likewise.
 623         (expand_builtin_strcat): Likewise.
 624         (expand_builtin_strncat): Likewise.
 625         (expand_builtin_strspn): Likewise.
 626         (expand_builtin_strcspn): Likewise.
 627         (expand_builtin_args_info): Likewise.
 628         (expand_builtin_va_start): Likewise.
 629         (gimplify_va_arg_expr): Likewise.
 630         (expand_builtin_va_end): Likewise.
 631         (expand_builtin_va_copy): Likewise.
 632         (expand_builtin_frame_address): Likewise.
 633         (expand_builtin_alloca): Likewise.
 634         (expand_builtin_bswap): Likewise.
 635         (expand_builtin_unop): Likewise.
 636         (expand_builtin_fputs): Likewise.
 637         (expand_builtin_expect): Likewise.
 638         (expand_builtin_fabs): Likewise.
 639         (expand_builtin_copysign): Likewise.
 640         (expand_builtin_printf): Likewise.
 641         (expand_builtin_fprintf): Likewise.
 642         (expand_builtin_sprintf): Likewise.
 643         (expand_builtin_init_trampoline): Likewise.
 644         (expand_builtin_signbit): Likewise.
 645         (expand_builtin_fork_or_exec): Likewise.
 646         (expand_builtin_sync_operation): Likewise.
 647         (expand_builtin_compare_and_swap): Likewise.
 648         (expand_builtin_lock_test_and_set): Likewise.
 649         (expand_builtin_lock_release): Likewise.
 650         (expand_builtin): Likewise.
 651         (builtin_mathfn_code): Likewise.
 652
 653         (fold_builtin_constant_p): Pass call arguments individually instead
 654         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
 655         accessors and constructors.  Return NULL_TREE instead of 0.
 656         (fold_builtin_expect): Likewise.
 657         (fold_builtin_classify_type): Likewise.
 658         (fold_builtin_strlen): Likewise.
 659         (fold_builtin_nan): Likewise.
 660         (integer_valued_real_p): Likewise.
 661         (fold_trunc_transparent_mathfn): Likewise.
 662         (fold_fixed_mathfn): Likewise.
 663         (fold_builtin_cabs): Likewise.
 664         (fold_builtin_sqrt): Likewise.
 665         (fold_builtin_cbrt): Likewise.
 666         (fold_builtin_cos): Likewise.
 667         (fold_builtin_cosh): Likewise.
 668         (fold_builtin_tan): Likewise.
 669         (fold_builtin_sincos): Likewise.
 670         (fold_builtin_cexp): Likewise.
 671         (fold_builtin_trunc): Likewise.
 672         (fold_builtin_floor): Likewise.
 673         (fold_builtin_ceil): Likewise.
 674         (fold_builtin_round): Likewise.
 675         (fold_builtin_int_roundingfn): Likewise.
 676         (fold_builtin_bitop): Likewise.
 677         (fold_builtin_bswap): Likewise.
 678         (fold_builtin_logarithm): Likewise.
 679         (fold_builtin_hypot): Likewise.
 680         (fold_builtin_pow): Likewise.
 681         (fold_builtin_powi): Likewise.
 682         (fold_builtin_exponent): Likewise.
 683         (fold_builtin_memset): Likewise.
 684         (fold_builtin_bzero): Likewise.
 685         (fold_builtin_memory_op): Likewise.
 686         (fold_builtin_bcopy): Deleted; call site changed to invoke
 687         fold_builtin_memory_op directly.
 688         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
 689         (fold_builtin_strncpy): Likewise.
 690         (fold_builtin_memcmp): Likewise.
 691         (fold_builtin_strcmp): Likewise.
 692         (fold_builtin_strncmp): Likewise.
 693         (fold_builtin_signbit): Likewise.
 694         (fold_builtin_copysign): Likewise.
 695         (fold_builtin_isascii): Likewise.
 696         (fold_builtin_toascii): Likewise.
 697         (fold_builtin_isdigit): Likewise.
 698         (fold_builtin_fabs): Likewise.
 699         (fold_builtin_abs): Likewise.
 700         (fold_builtin_fmin_fmax): Likewise.
 701         (fold_builtin_carg): Likewise.
 702         (fold_builtin_classify): Likewise.
 703         (fold_builtin_unordered_cmp): Likewise.
 704
 705         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
 706         New functions split out from fold_builtin_1.
 707         (fold_builtin_n): New.
 708         (fold_builtin_varargs): New.
 709         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
 710         instead.
 711         (fold_call_expr): New.
 712         (build_function_call_expr): Rewrite to use new helper function.
 713         (fold_builtin_call_list): New.
 714         (build_call_expr): New.
 715         (fold_builtin_call_valist): New.
 716         (rewrite_call_expr): New.
 717         (validate_arg): New.
 718         (validate_arglist): Change parameter to be entire CALL_EXPR instead
 719         of an arglist.  Change return type to bool.  Use new CALL_EXPR
 720         accessors.
 721
 722         (fold_builtin_strstr):  Pass call arguments individually instead
 723         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
 724         accessors and constructors.  Return NULL_TREE instead of 0.
 725         (fold_builtin_strchr): Likewise.
 726         (fold_builtin_strrchr): Likewise.
 727         (fold_builtin_strpbrk): Likewise.
 728         (fold_builtin_strcat): Likewise.
 729         (fold_builtin_strncat): Likewise.
 730         (fold_builtin_strspn): Likewise.
 731         (fold_builtin_strcspn): Likewise.
 732         (fold_builtin_fputs): Likewise.
 733         (fold_builtin_next_arg): Likewise.
 734         (fold_builtin_sprintf): Likewise.
 735
 736         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
 737         NULL_RTX instead of 0.
 738         (expand_builtin_memory_chk): Likewise.
 739         (maybe_emit_chk_warning): Likewise.
 740         (maybe_emit_sprintf_chk_warning): Likewise.
 741
 742         (fold_builtin_object_size): Pass call arguments individually instead
 743         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
 744         accessors and constructors.  Return NULL_TREE instead of 0.
 745         (fold_builtin_memory_chk): Likewise.
 746         (fold_builtin_stxcpy_chk): Likewise.
 747         (fold_builtin_strncpy_chk): Likewise.
 748         (fold_builtin_strcat_chk): Likewise.
 749         (fold_builtin_strcat_chk): Likewise.
 750         (fold_builtin_strncat_chk): Likewise.
 751         (fold_builtin_sprintf_chk): Likewise.
 752         (fold_builtin_snprintf_chk): Likewise.
 753         (fold_builtin_printf): Likewise.
 754         (fold_builtin_vprintf): Likewise.
 755
 756         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
 757         constructors.
 758         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
 759         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
 760         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
 761         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
 762         (fold_unary): Likewise.
 763         (fold_binary): Likewise.
 764         (fold_ternary): Remove CALL_EXPR case, since they are no longer
 765         ternary expressions.
 766         (fold): Add logic for tcc_vl_exp.
 767         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
 768         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
 769         (fold_build3_stat): Add assertion to flag broken interface for
 770         constructing CALL_EXPRs.
 771         (fold_build_call_list): New.
 772         (fold_build_call_list_initializer): New.
 773         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
 774         constructors.
 775         (fold_strip_sign_ops): Likewise.
 776
 777 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
 778             Brooks Moses  <brooks.moses@codesourcery.com>
 779             Lee Millward  <lee.millward@codesourcery.com>
 780
 781         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
 782         accessors and dump arguments explicitly.
 783
 784         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
 785         TREE_CODE_LENGTH.
 786         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
 787         explicitly.
 788         (print_call_name): Use new CALL_EXPR accessors.
 789
 790         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
 791         CALL_EXPR arguments explicitly instead of as a list.  Use
 792         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
 793
 794         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
 795         (vrp_visit_stmt): Likewise.
 796
 797         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
 798         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
 799         TREE_CODE_LENGTH.
 800         (force_move_till_expr): Likewise.
 801
 802         * targhooks.c (default_external_stack_protect_fail): Use
 803         build_call_expr instead of build_function_call_expr.
 804         (default_hidden_stack_protect_fail): Likewise.
 805
 806         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
 807         build the call.
 808
 809         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
 810         and walk arguments explicitly.
 811
 812         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
 813         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
 814         (expand_simple_operations): Likewise.
 815         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
 816
 817         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
 818         of TREE_CODE_LENGTH.
 819         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
 820
 821         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
 822         instead of TREE_CODE_LENGTH.
 823
 824         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
 825         (tree_ic_transform): Likewise.
 826         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
 827         parameter instead of arglist.  Fix callers.
 828         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
 829         (tree_stringops_transform): Likewise.
 830         (tree_indirect_call_to_profile): Likewise.
 831         (tree_stringops_values_to_profile): Likewise.
 832
 833         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
 834         (eliminate_tail_call): Likewise.
 835
 836         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
 837
 838         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
 839         Use TREE_OPERAND_LENGTH and generalize to handle any number of
 840         operands.
 841         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
 842
 843         * omp-low.c (build_omp_barrier): Use build_call_expr.
 844         (lower_rec_input_clauses): Likewise.
 845         (lower_reduction_clauses): Likewise.
 846         (expand_parallel_call): Likewise.
 847         (maybe_catch_exception): Likewise.
 848         (expand_omp_for_generic): Likewise.
 849         (expand_omp_for_static_nochunk): Likewise.
 850         (expand_omp_sections): Likewise.
 851         (lower_omp_single_simple): Likewise.
 852         (lower_omp_single_copy): Likewise.
 853         (lower_omp_master): Likewise.
 854         (lower_omp_ordered): Likewise.
 855         (lower_omp_critical): Likewise.
 856
 857         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
 858         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
 859
 860         * tree-gimple.c (is_gimple_call_addr): Fix doc.
 861         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
 862         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
 863
 864         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
 865         and generalize to handle any number of operands.
 866         (chrec_contains_undetermined): Likewise.
 867         (tree_contains_chrecs): Likewise.
 868         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
 869
 870         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
 871
 872         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
 873         fold_call_expr instead of fold_builtin.
 874         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
 875         match declarations there.
 876         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
 877         updates.
 878
 879         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
 880         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
 881
 882         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
 883         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
 884
 885         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
 886         accessors.
 887
 888         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
 889         (execute_cse_sincos): Use new CALL_EXPR accessors.
 890
 891         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
 892
 893         * gimple-low.c (lower_function_body): Use build_call_expr.
 894         (lower_builtin_setjmp): Likewise.
 895
 896         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
 897         (set_storage_via_libcall): Likewise.
 898         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
 899         instead of TREE_CODE_LENGTH.
 900         (expand_expr_real_1): Use new CALL_EXPR accessors.
 901
 902         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
 903         generalize to handle any number of operands.
 904         (TB_parent_eq): Likewise.
 905
 906         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
 907         (strip_builtin_expect): Likewise.
 908
 909         * function.c (gimplify_parameters): Use build_call_expr.
 910
 911         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
 912         instead of TREE_CODE_LENGTH.
 913
 914         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
 915         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
 916
 917         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
 918         iterators.
 919
 920         * gimplify.c (build_stack_save_restore): Use build_call_expr.
 921         (gimplify_decl_expr): Likewise.
 922         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
 923         Use new CALL_EXPR iterators.
 924         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
 925         (gimplify_modify_expr_to_memset): Likewise.
 926         (gimplify_variable_sized_compare): Likewise.
 927         (gimplify_omp_atomic_fetch_op): Likewise.
 928         (gimplify_omp_atomic_pipeline): Likewise.
 929         (gimplify_omp_atomic_mutex): Likewise.
 930         (gimplify_function_tree): Likewise.
 931
 932         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
 933         (call_expr_flags): Likewise.
 934         (expand_call): Likewise.
 935
 936         * except.c (expand_builtin_eh_return_data_regno): Pass entire
 937         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
 938         accessors.
 939
 940         * coverage.c (create_coverage): Use build_call_expr.
 941
 942         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
 943         (temp_call_expr_obstack): New.
 944         (pool_copy_list): Delete.
 945         (temp_copy_call_expr): New.
 946         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
 947         CALL_EXPR accessors.  Get rid of special goo for copying argument
 948         lists and use temp_copy_call_expr instead.
 949         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
 950         CALL_EXPR accessors.
 951         (create_expression_by_pieces): Likewise.  Use build_call_array
 952         to construct the result instead of fold_build3.
 953         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
 954         dealing with argument lists.
 955         (init_pre): Remove references to expression_node_pool and
 956         list_node_pool.  Init temp_call_expr_obstack instead.
 957         (fini_pre): Remove references to expression_node_pool and
 958         list_node_pool.
 959
 960         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
 961         and walk arguments explicitly instead of as a list.
 962
 963         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
 964         (mx_register_decls): Likewise.
 965         (mudflap_register_call): Likewise.
 966         (mudflap_finish_file): Likewise.
 967
 968         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
 969         (ipa_callsite_compute_param): Likewise.
 970
 971         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
 972         accessors and constructor.
 973
 974         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
 975         accessors and constructor.
 976         (convert_tramp_reference): Likewise.
 977         (convert_call_expr): Likewise.
 978         (finalize_nesting_tree_1): Likewise.
 979
 980         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
 981         accessors.
 982
 983         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
 984
 985         * tree-inline.c (initialize_inlined_parameters): Pass entire
 986         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
 987         accessors.
 988         (estimate_num_insns_1): Use new CALL_EXPR accessors.
 989         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
 990
 991         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
 992         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
 993         (vectorizable_reduction): Likewise.
 994         (vectorizable_call): Use new CALL_EXPR iterators.
 995         (vectorizable_conversion): Use build_call_expr.
 996         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
 997         (vect_gen_widened_results_half): Use build_call_expr.
 998         (vect_setup_realignment): Likewise.
 999         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
1000
1001         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
1002         (pass_through_call): Likewise.
1003         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
1004         fold_builtin.
1005
1006         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
1007         (tree_gen_pow2_profiler): Likewise.
1008         (tree_gen_one_value_profiler): Likewise.
1009         (tree_gen_ic_func_profiler): Likewise.
1010         (tree_gen_average_profiler): Likewise.
1011         (tree_gen_ior_profiler): Likewise.
1012
1013         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
1014         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
1015         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1016
1017         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
1018         of TREE_CODE_LENGTH.
1019
1020         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
1021         of TREE_CODE_LENGTH.
1022
1023         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
1024         constructor.
1025         (convert_to_integer): Likewise.
1026
1027         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
1028         accessors.
1029
1030 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1031             Brooks Moses  <brooks.moses@codesourcery.com>
1032             Lee Millward  <lee.millward@codesourcery.com>
1033
1034         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
1035         accessors.
1036         * config/frv/frv.c (frv_expand_builtin): Likewise.
1037         * config/s390/s390.c (s390_expand_builtin): Likewise.
1038
1039         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
1040         (sparc_expand_builtin): Use new CALL_EXPR accessors.
1041
1042         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
1043         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
1044         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
1045         (ix86_expand_store_builtin): Likewise.
1046         (ix86_expand_unop_builtin): Likewise.
1047         (ix86_expand_unop1_builtin): Likewise.
1048         (ix86_expand_sse_compare): Likewise.
1049         (ix86_expand_sse_comi): Likewise.
1050         (ix86_expand_vec_init_builtin): Likewise.
1051         (ix86_expand_vec_ext_builtin): Likewise.
1052         (ix86_expand_vec_set_builtin): Likewise.
1053         (ix86_expand_builtin): Use new CALL_EXPR accessors.
1054
1055         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
1056         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
1057
1058         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
1059         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1060         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
1061
1062         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
1063         build_call_expr.
1064         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
1065         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
1066         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1067         (altivec_expand_abs_builtin): Likewise.
1068         (rs6000_expand_binop_builtin): Likewise.
1069         (altivec_expand_predicate_builtin): Likewise.
1070         (altivec_expand_lv_builtin): Likewise.
1071         (spe_expand_stv_builtin): Likewise.
1072         (altivec_expand_stv_builtin): Likewise.
1073         (rs6000_expand_ternop_builtin): Likewise.
1074         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
1075         (altivec_expand_st_builtin): Likewise.
1076         (altivec_expand_dst_builtin): Likewise.
1077         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
1078         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1079         (altivec_expand_vec_set_builtin): Likewise.
1080         (altivec_expand_vec_ext_builtin): Likewise.
1081         (altivec_expand_builtin): Use new CALL_EXPR accessors.
1082         (spe_expand_builtin): Likewise.
1083         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
1084         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1085         (spe_expand_evsel_builtin): Likewise.
1086         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
1087         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
1088
1089         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
1090         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1091         (arm_expand_unop_builtin): Likewise.
1092         (arm_expand_builtin): Use new CALL_EXPR accessors.
1093
1094         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
1095         accessors.
1096
1097         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
1098         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1099         (bfin_expand_unop_builtin): Likewise.
1100         (bfin_expand_builtin): Use new CALL_EXPR accessors.
1101
1102 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1103             Brooks Moses  <brooks.moses@codesourcery.com>
1104             Lee Millward  <lee.millward@codesourcery.com>
1105
1106         * c-semantics.c (build_stmt): Add internal diagnostic check.
1107
1108         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
1109         accessors.  Print arguments explicitly instead of as a list.
1110
1111         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
1112
1113         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
1114         (c_finish_omp_flish): Likewise.
1115
1116         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
1117         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
1118         instead of TREE_CODE_LENGTH.
1119         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
1120         (c_warn_unused_result): Likewise.
1121
1122 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1123
1124         PR c/26494
1125         * doc/invoke.texi (Warning Options): Remove
1126         -Werror-implicit-function-declaration.
1127         (Wimplicit-function-declaration): Update description.
1128         * opts.c (common_handle_option): Move handling of -Werror=* to...
1129         (enable_warning_as_error): ...here.
1130         * opts.h (enable_warning_as_error): Declare.
1131         * c-decl.c (implicit_decl_warning): Unless
1132         -Wno-implicit-function-declaration is given, emit a pedwarn if
1133         -std=c99 or emit a warning if -Wimplicit-function-declaration.
1134         * c.opt (Wimplicit-function-declaration): Replace
1135         mesg_implicit_function_declaration with
1136         warn_implicit_function_declaration.
1137         * c-opts.c (c_common_handle_option):
1138         -Werror-implicit-function-declaration is exactly equal as
1139         -Werror=implicit-function-declaration.
1140         (set_Wimplicit): Replace mesg_implicit_function_declaration with
1141         warn_implicit_function_declaration.
1142         (c_common_post_options): -Wimplict-function-declaration is enabled
1143         by default by -std=c99, otherwise is disabled by default.
1144         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
1145
1146 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1147
1148         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
1149         DECL on the rhs to a DECL on the lhs for debug info purposes if the
1150         former is ignored but not the latter.
1151
1152 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1153
1154         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
1155         is made and the reference doesn't use the alias set of its type,
1156         do not create the temporary using that type.
1157
1158 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
1159
1160         * jump.c: Remove prototypes for delete_computation and
1161         delete_prior_computation.
1162
1163 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1164
1165         * jump.c (get_label_after): Delete.
1166         (get_label_before, delete_computation, delete_jump,
1167         delete_prior_computation, follow_jumps): Move...
1168         * reorg.c (delete_computation, delete_prior_computation): ... here...
1169         (get_label_before, delete_jump): ... making these static ...
1170         (follow_jumps): ... and simplifying this since it only runs after
1171         reload.
1172         * rtl.h (get_label_after, get_label_before, delete_jump,
1173         follow_jumps): Delete prototypes.
1174
1175 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1176
1177         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
1178
1179 2007-02-15  Nick Clifton  <nickc@redhat.com>
1180
1181         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
1182         order to prevent it from being munged by the target.
1183
1184 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
1185
1186         * config/i386/i386.md: Remove misleading comment.
1187
1188 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1189
1190         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
1191         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
1192         invalid patterns.
1193
1194 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1195
1196         * tree-sra.c (instantiate_missing_elements): Canonicalize
1197         bit-field types.
1198         (sra_build_assignment): New.
1199         (generate_copy_inout, generate_element_copy,
1200         generate_element_zero, generate_one_element_init): Use it.
1201
1202 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1203
1204         * tree-sra.c (instantiate_missing_elements): Canonicalize
1205         bit-field types.
1206         (sra_build_assignment): New.
1207         (generate_copy_inout, generate_element_copy,
1208         generate_element_zero, generate_one_element_init): Use it.
1209
1210 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1211
1212         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
1213         limbo die nodes.
1214
1215 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
1216
1217         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
1218         types as aggregates not scalars.
1219         * function.c (assign_stack_temp_for_type): Likewise.
1220
1221 2007-02-14  Roger Sayle  <roger@eyesopen.com>
1222             Zdenek Dvorak  <dvorakz@suse.cz>
1223
1224         * tree-dump.c (dump_switch_p_1): Require exact match of the option
1225         name.
1226
1227 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
1228
1229         * passes.c (next_pass_1): Clear the next field of the copied
1230         pass structure.
1231
1232 2007-02-14  Richard Henderson  <rth@redhat.com>
1233
1234         * tree-sra.c (early_sra): New.
1235         (decl_can_be_decomposed_p): Deny va_list if early_sra.
1236         (tree_sra_early, pass_sra_early): New.
1237         * tree-pass.h (pass_sra_early): Declare.
1238         * passes.c (init_optimization_passes): Use it.
1239
1240 2007-02-14  Richard Guenther  <rguenther@suse.de>
1241
1242         * flags.h (issue_strict_overflow_warning): Convert to a macro.
1243
1244 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
1245
1246          PR tree-optimization/30771
1247         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
1248         also phi nodes.
1249         (vect_analyze_operations): Induction phis can now be marked as
1250         used_in_loop.
1251         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
1252         Update documentation accordingly.
1253
1254 2007-02-14  Nick Clifton  <nickc@redhat.com>
1255
1256         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
1257         most 3 arguments are supported.
1258         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
1259
1260 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
1261
1262         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
1263         Ensure dst->current is valid.
1264
1265 2007-02-13  Paul Brook  <paul@codesourcery.com>
1266
1267         * config.gcc: Add arm*-*-uclinux-*eabi.
1268         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
1269         (SUBTARGET_EXTRA_LINK_SPEC): Define.
1270         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
1271         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
1272         (LINK_SPEC): Define.
1273         (LIB_SPEC): Define.
1274         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
1275         register.
1276         * config/arm/uclinux-eabi.h: New file.
1277         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
1278         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
1279         based targets.
1280
1281 2007-02-13  Ian Lance Taylor  <iant@google.com>
1282
1283         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
1284         * flags.h (warn_strict_overflow): Declare.
1285         (enum warn_strict_overflow_code): Define.
1286         (issue_strict_overflow_warning): New static inline function.
1287         * opts.c (warn_strict_overflow): New variable.
1288         (common_handle_option): Handle OPT_Wstrict_overflow and
1289         OPT_Wstrict_overflow_.
1290         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
1291         OPT_Wall.
1292         * fold-const.c: Include intl.h.
1293         (fold_deferring_overflow_warnings): New static variable.
1294         (fold_deferred_overflow_warning): New static variable.
1295         (fold_deferred_overflow_code): New static variable.
1296         (fold_defer_overflow_warnings): New function.
1297         (fold_undefer_overflow_warnings): New function.
1298         (fold_undefer_and_ignore_overflow_warnings): New function.
1299         (fold_deferring_overflow_warnings_p): New function.
1300         (fold_overflow_warning): New static function.
1301         (make_range): Add strict_overflow_p parameter.  Change all
1302         callers.
1303         (extract_muldiv, extract_muldiv_1): Likewise.
1304         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
1305         tree_expr_nonnegative_p.
1306         (fold_negate_expr): Call fold_overflow_warning.
1307         (fold_range_test): Likewise.
1308         (fold_comparison): Likewise.
1309         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
1310         instead of tree_expr_nonnegative_p.
1311         (tree_expr_nonnegative_warnv_p): Rename from
1312         tree_expr_nonnegative_p, add strict_overflow_p parameter.
1313         (tree_expr_nonnegative_p): New function.
1314         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
1315         strict_overflow_p parameter.
1316         (tree_expr_nonzero_p): New function.
1317         * passes.c (verify_interpass_invariants): New static function.
1318         (execute_one_pass): Call it.
1319         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
1320         warnings.
1321         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
1322         (estimate_numbers_of_iterations): Likewise.
1323         (scev_probably_wraps_p): Likewise.
1324         * tree-ssa-ccp.c: Include "toplev.h".
1325         (evaluate_stmt): Defer fold overflow warnings until we know we are
1326         going to optimize.
1327         (struct fold_stmt_r_data): Add stmt field.
1328         (fold_stmt_r): Defer fold overflow warnings until we know we
1329         optimized.
1330         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
1331         (fold_stmt_inplace): Likewise.
1332         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
1333         (cleanup_control_expr_graph): Defer fold overflow warnings until
1334         we know we are going to optimize.
1335         * tree-cfg.c (fold_cond_expr_cond): Likewise.
1336         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
1337         Likewise.
1338         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
1339         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
1340         * tree-ssa-loop-manip.c (create_iv): Likewise.
1341         * c-typeck.c (build_conditional_expr): Likewise.
1342         (build_binary_op): Likewise.
1343         * tree-vrp.c (vrp_expr_computes_nonzero): Call
1344         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
1345         (extract_range_from_unary_expr): Likewise.
1346         * simplify-rtx.c (simplify_const_relational_operation): Warn when
1347         assuming that signed overflow does not occur.
1348         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
1349         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
1350         (fold_defer_overflow_warnings): Declare.
1351         (fold_undefer_overflow_warnings): Declare.
1352         (fold_undefer_and_ignore_overflow_warnings): Declare.
1353         (fold_deferring_overflow_warnings_p): Declare.
1354         (tree_expr_nonzero_warnv_p): Declare.
1355         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
1356         of warning options.
1357         (Warning Options): Document -Wstrict-overflow.
1358         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
1359         (tree-ssa-ccp.o): Likewise.
1360         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
1361         (fold-const.o): Depend on intl.h.
1362
1363 2007-02-13  Ian Lance Taylor  <iant@google.com>
1364
1365         PR middle-end/30751
1366         * lower-subreg.c (resolve_simple_move): Decompose subregs in
1367         addresses.
1368
1369 2007-02-13  Stuart Hastings  <stuart@apple.com>
1370
1371         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
1372
1373 2007-02-13  Richard Henderson  <rth@redhat.com>
1374
1375         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
1376         handled_component_p before looking for the indirect_ref.
1377
1378 2007-02-13  Richard Henderson  <rth@redhat.com>
1379
1380         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
1381         remove flags clobber.
1382         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
1383         (bswaphi_lowpart): New.
1384         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
1385         remove TARGET_BSWAP test.  Delete expander of the same name.
1386
1387         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
1388         (expand_unop): Use them.
1389
1390 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
1391
1392         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
1393         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
1394         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
1395         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
1396         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
1397         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
1398         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
1399         assembler dialect choice from asm templates.
1400
1401 2007-02-12  Richard Henderson  <rth@redhat.com>
1402
1403         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
1404         (fixuns_trunc<SSEMODEF>si2): Use it.
1405         * config/i386/sse.md (vec_setv4sf_0): Export.
1406         * config/i386/i386.c (ix86_build_const_vector): Export.
1407         (ix86_split_convert_uns_si_sse): Rename from
1408         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
1409         * config/i386/i386-protos.h: Update.
1410
1411 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1412
1413         PR c/29521
1414         * c-typeck.c (c_finish_return): Improve warning message.
1415
1416 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1417
1418         * alias.c (find_symbolic_term): Delete unused function.
1419
1420 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
1421
1422         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
1423         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
1424         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
1425
1426 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1427
1428         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
1429         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
1430         the function, temporarily point the debug interface to the null one.
1431
1432 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1433
1434         * dwarf2out.c (round_up_to_align): New static function.
1435         (field_byte_offset): Use it to round the offset.
1436
1437 2007-02-12  Richard Henderson  <rth@redhat.com>
1438
1439         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
1440         (inswl_const): Export.
1441
1442 2007-02-12  Richard Henderson  <rth@redhat.com>
1443
1444         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
1445         result mode of the libcall, convert back to outmode.
1446
1447 2007-02-12  Roger Sayle  <roger@eyesopen.com>
1448
1449         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
1450         (bswapdi2): New define_expand to implement 32-bit implementation.
1451
1452 2007-02-12  Nick Clifton  <nickc@redhat.com>
1453
1454         * doc/invoke.texi (Overall Options): Document --help=.
1455         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
1456         (cc1_options): Pass --help= on to cc1.
1457         (display_help): Add description of --help=.
1458         (process_command): Add code to handle --help=.  Allow translated
1459         --help and --target-help switches to be passed on to compiler
1460         sub-process.
1461         (main): Remove unused if statement.
1462         * opts.c (columns): Remove.
1463         (LEFT_COLUMN): Define.
1464         (wrap_help): Add columns argument.
1465         (print_filtered_help): Change parameters to be an include bitmask,
1466         an exclude bitmask, an any bitmask and the column width.  Move the
1467         code to display the params list here.  Add code to display the
1468         status of options rather than their descriptions if the quiet flag
1469         is not active.
1470         (print_specific_help): Change parameters to be an include bitmask,
1471         an exclude bitmask and an any bitmask.  Move code to look up the
1472         column width here.  Decide upon the title for an options listing.
1473         (common_handle_options): Add code to handle --help=.  Adapt code
1474         for --help and --target-help to use the revised form of the
1475         print_specific_help function.
1476         (print_help): Delete.
1477         (print_param_help): Delete.
1478         (print_switch): Delete.
1479         * opts.h (cl_lang_count): Add prototype.
1480         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
1481         CL_MAX_OPTION_CLASS): New defines.
1482         * optc-gen.awk: Add construction of cl_lang_count.
1483         * c.opt: Add Warning attribute to warning options and Optimization
1484         attribute to optimization options.
1485         * common.opt: Likewise.
1486         Add --help=.
1487         Add -fhelp and -ftarget-help as aliases for the transformed --help
1488         and --target-help options.
1489         * opt-functions.awk: Add code to handle Warning and Optimization
1490         attributes.
1491
1492 2007-02-12  Richard Henderson  <rth@redhat.com>
1493
1494         * config/alpha/constraints.md: New file.
1495         * config/alpha/alpha.c: Include tm-constrs.h.
1496         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
1497         alpha_extra_constraint): Remove.
1498         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
1499         * config/alpha/alpha-protos.h: Update.
1500         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
1501         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
1502         (EXTRA_CONSTRAINT): Remove.
1503         * config/alpha/alpha.md: Include constraints.md.
1504         (adddi splitter): Use satisfies_constraint_*.
1505         * config/alpha/predicates.md (add_operand): Likewise.
1506         (sext_add_operand, addition_operation): Likewise.
1507
1508 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
1509
1510         PR tree-optimization/29145
1511         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
1512         in our handling of restrict qualified pointers.
1513
1514 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1515
1516         PR middle-end/7651
1517         * doc/invoke.texi (Wunused-value): Update description.
1518         (Wextra): Delete item.
1519         * opts.c (set_Wextra): Don't use the value of Wextra to set the
1520         value of Wunused-value.
1521         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
1522         (c_finish_stmt_expr): Don't check extra_warnings.
1523         (emit_side_effect_warnings): The caller is responsible to check
1524         warn_unused_value.
1525
1526 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1527             Matt Thomas  <matt@3am-software.com>
1528
1529         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
1530
1531 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1532
1533         * simplify-rtx.c (simplify_relational_operation_1): Optimize
1534         comparisons of POPCOUNT against zero.
1535         (simplify_const_relational_operation): Likewise.
1536
1537 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1538
1539         * doc/invoke.texi (Wextra): Delete outdated paragraph.
1540
1541 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1542
1543         * dwarf2out.c (root_type): Delete unused function.
1544
1545 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1546
1547         * genattrtab.c (contained_in_p): Delete unused function.
1548         (write_expr_attr_cache): Likewise.
1549
1550 2007-02-11  Jan Hubicka  <jh@suse.cz>
1551
1552         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
1553         previous patch.
1554
1555 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
1556
1557         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
1558         to add the REG_EQ* note.
1559         * see.c (see_merge_one_use_extension): Likewise.
1560         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
1561         turn REG_EQUAL notes into REG_EQUIV notes if the target
1562         register may have more than one set.
1563         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
1564         * gcse.c (try_replace_reg): Likewise.
1565         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
1566         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
1567         more than one REG_EQUIV note.
1568         * reload1.c (gen_reload): Use set_unique_reg_note.
1569
1570 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
1571
1572         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
1573         (ix86_builtin_conversion): New function.
1574
1575 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
1576
1577         PR target/29487
1578         * tree.h (DECL_REPLACEABLE_P): New macro.
1579         * except.c (set_nothrow_function_flags): Likewise.
1580
1581 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
1582             Ira Rosen  <irar@il.ibm.com>
1583             Dorit Nuzman  <dorit@il.ibm.com>
1584
1585         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
1586         * targhooks.c (default_builtin_vectorized_conversion): New.
1587         * targhooks.h (default_builtin_vectorized_function): New declaration.
1588         * target.h (struct vectorize): Add builtin_conversion field.
1589         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
1590         stmt_vec_info_type value.
1591         (vectorizable_conversion): New declaration.
1592         * tree-vect-analyze.c (vect_analyze_operations): Add
1593         vectorizable_conversion call.
1594         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
1595         * tree-vect-transform.c (vectorizable_conversion): New function.
1596         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
1597         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1598         mode.
1599         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
1600         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
1601         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
1602         or ALTIVEC_BUILTIN_VCFSX.
1603
1604 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1605
1606         PR target/30634
1607         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
1608         CONST_DOUBLE and operand 0 is a hard register.
1609         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
1610         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
1611         is a hard floating-point register.
1612
1613 2007-02-10  Richard Henderson  <rth@redhat.com>
1614             Jakub Jelinek  <jakub@redhat.com>
1615             Alexandre Oliva  <aoliva@redhat.com>
1616
1617         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
1618         * builtin-types.def (BT_WORD): Make unsigned.
1619         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1620         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1621         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1622         * c-decl.c (grokdeclarator): Don't error if !have_tls.
1623         * c-parser.c (c_parser_omp_threadprivate): Likewise.
1624         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1625         emulated tls.
1626         * expr.c (emutls_var_address): New.
1627         (expand_expr_real_1): Expand emulated tls.
1628         (expand_expr_addr_expr_1): Likewise.
1629         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1630         * output.h (emutls_finish): Declare.
1631         * toplev.c (compile_file): Call it.
1632         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1633         address before wrapping in CONST.
1634         * varasm.c (emutls_htab, emutls_object_type): New.
1635         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1636         (get_emutls_object_name, get_emutls_object_type): New.
1637         (get_emutls_init_templ_addr, emutls_decl): New.
1638         (emutls_common_1, emutls_finish): New.
1639         (assemble_variable): When emulating tls, swap decls; generate
1640         constructor for the emutls objects.
1641         (do_assemble_alias): When emulating tls, swap decl and target name.
1642         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1643         for emulated tls.
1644         * varpool.c (decide_is_variable_needed): Look at force_output.
1645         Recurse for emulated tls.
1646         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
1647         with decide_is_variable_needed.
1648         * emutls.c: New file.
1649         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1650         tls_object for real tls.
1651
1652 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
1653
1654         PR rtl-optimization/29599
1655         * reload1.c (eliminate_regs_in_insn): Take the destination
1656         mode into account when computing the offset.
1657
1658 2007-02-09  Stuart Hastings  <stuart@apple.com>
1659             Richard Henderson  <rth@redhat.com>
1660
1661         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
1662         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
1663         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
1664         fixuns_truncdfhi2): New.
1665         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
1666         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
1667         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
1668         (floatunssidf2): Allow nonimmediate source.
1669         * gcc/config/i386/sse.md (movdi_to_sse): New.
1670         (vec_concatv2di): Drop '*'.
1671         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
1672         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
1673         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
1674         New.
1675         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
1676         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
1677         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
1678         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
1679         (ix86_build_signbit_mask): Fix decl of v, refactor to call
1680         ix86_build_const_vector.
1681         (x86_emit_floatuns): Rewrite.
1682
1683 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1684
1685         * genautomata.c (longest_path_length): Delete unused function.
1686         (struct state): Delete unused longest_path_length.
1687         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
1688         (get_free_state): Delete unused.
1689
1690 2007-02-09  Jan Hubicka  <jh@suse.cz>
1691
1692         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
1693         * doc/invoke.texi (inline-unit-growth): Update default value.
1694
1695         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
1696         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
1697         (rebuild_cgraph_edges): Likewise.
1698         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
1699         (dump_cgraph_node): Dump frequencies.
1700         (cgraph_clone_edge): Add frequency scales.
1701         (cgraph_clone_node): Add freuqnecy.
1702         * cgraph.h (cgraph_edge): Add freuqnecy argument.
1703         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
1704         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
1705         * tree-pass.h (TODO_rebuild_frequencies): New constant.
1706         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
1707         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
1708         (save_inline_function_body): Likewise.
1709         * ipa-inline.c: inluce rtl.h
1710         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
1711         (cgraph_edge_badness): Use frequencies.
1712         (cgraph_decide_recursive_inlining): Update clonning.
1713         (cgraph_decide_inlining_of_small_function): Dump frequency.
1714         * predict.c (estimate_bb_frequencies): Export.
1715         * predict.h (estimate_bb_frequencies): Declare.
1716         * tree-inline.c (copy_bb): Watch overflows.
1717         (expand_call_inline): Update call of cgraph_create_edge.
1718         (optimize_inline_calls): Use TODO flags to update frequnecies.
1719         * passes.h: Include predict.h
1720         (init_optimization_passes): Move profile ahead.
1721         (execute_function_todo): Handle TODO_rebuild_frequencies.
1722
1723 2007-02-09  Roger Sayle  <roger@eyesopen.com>
1724
1725         * config/alpha/alpha.c (emit_insxl): Force the first operand of
1726         the insbl or inswl pattern into a register.
1727
1728 2007-02-09  Roger Sayle  <roger@eyesopen.com>
1729
1730         * config/ia64/ia64.md (bswapdi2): New define_insn.
1731
1732 2007-02-09  Richard Henderson  <rth@redhat.com>
1733
1734         * config/i386/constraints.md (Ym): New constraint.
1735         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
1736         (movdi_1_rex64): Split sse and xmm general register moves from
1737         memory move alternatives.  Use conditional register constraints.
1738         (movsf_1, movdf_integer): Likewise.
1739         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
1740         (movdf_integer_rex64): New.
1741         (pushsf_rex64): Fix output constraints.
1742         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
1743         (sse2_stored): Likewise.
1744         (sse2_storeq_rex64): New.
1745         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
1746         amd and not generic.
1747         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
1748         for optimize_size.  Remove SF/DFmode hack.
1749
1750 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
1751
1752         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
1753         (bit_SSE4a): New.
1754
1755 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
1756             Richard Sandiford  <richard@codesourcery.com>
1757
1758         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
1759         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
1760         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
1761         m68k/t-mlib to tmake_file.
1762         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
1763         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
1764         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
1765         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
1766         variable is not empty, add t-$m68k_arch_family to tmake_file.
1767         Add t-mlibs to tmake_file.
1768         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
1769         * config/m68k/t-cf: New file.
1770         * config/m68k/t-m68k: Likewise.
1771         * config/m68k/t-mlibs: Likewise.
1772         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1773         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1774         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
1775         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1776         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
1777         Delete.
1778         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
1779         (INSTALL_LIBGCC): Delete.
1780         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
1781         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1782         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1783         (M68K_MLIB_CPU): Define.
1784         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1785         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1786         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
1787
1788 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
1789             Richard Guenther  <rguenther@suse.de>
1790
1791         PR middle-end/23361
1792         * fold-const.c (fold_comparison): Handle obfuscated comparisons
1793         against INT_MIN/INT_MAX.
1794         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
1795         file if a loop is removed.
1796
1797 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
1798
1799         * calls.c (store_one_arg): Pass correct alignment to
1800         emit_push_insn for non-BLKmode values.
1801         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
1802         unaligned stack slot via a suitably aligned slot.
1803
1804 2007-02-08  DJ Delorie  <dj@redhat.com>
1805
1806         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
1807         warnings.
1808         (legal_subregs): Use unsigned char, make const.
1809         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
1810
1811 2007-02-08  Paul Brook  <paul@codesourcery.com>
1812
1813         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
1814         special interworking needed.
1815
1816 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
1817
1818         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
1819         conditional to __SSE2__.
1820         (Entries below should have been added to first ChangeLog
1821         entry for amdfam10 dated 2007-02-05)
1822         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
1823         defined.
1824         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
1825         defined.
1826         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
1827         defined.
1828
1829 2007-02-08  DJ Delorie  <dj@redhat.com>
1830
1831         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
1832         * config/m32c/m32c.c (legal_subregs): New.
1833         (m32c_illegal_subreg_p): New.
1834         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
1835         unsupported subregs of hard regs.
1836
1837 2007-02-08  Jan Hubicka  <jh@suse.cz>
1838
1839         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
1840         the same one; always update histograms.
1841
1842 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
1843
1844         * passes.c (init_optimization_passes): Tidy comment.
1845
1846 2007-02-08  Roger Sayle  <roger@eyesopen.com>
1847
1848         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
1849         strip zero_extend, bswap and rotates from POCOUNT's argument.
1850         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
1851         zero_extend and rotates from PARITY's argument.
1852         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
1853         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
1854         of an integer constant at compile-time.
1855
1856 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
1857
1858         PR 30562
1859         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
1860         Update all users.
1861         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
1862         users.
1863         (init_alias_info):
1864         * tree-ssa-live.c (remove_unused_locals): Do not remove
1865         TREE_ADDRESSABLE variables.
1866         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
1867         * tree-ssa-operands.c (add_virtual_operand): Remove argument
1868         FOR_CLOBBER.  Update all users.
1869         If VAR has an associated alias set, add a virtual operand for
1870         it if no alias is found to conflict with the memory reference.
1871
1872 2007-02-07  Jan Hubicka  <jh@suse.cz>
1873             Robert Kidd <rkidd@crhc.uiuc.edu>
1874
1875         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
1876
1877 2007-02-07  Ian Lance Taylor  <iant@google.com>
1878
1879         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
1880
1881 2007-02-07  Roger Sayle  <roger@eyesopen.com>
1882
1883         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
1884         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
1885         tablejumpdi, movsi_to_cr_one): Remove constraints from
1886         define_expand's match_operands.
1887
1888 2007-02-07  Roger Sayle  <roger@eyesopen.com>
1889
1890         * global.c (compute_regsets): Move declatation of "i" inside of
1891         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
1892
1893 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
1894
1895         PR c++/30703
1896         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
1897         of INDIRECT_REF <RESULT_DECL>.
1898
1899         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
1900
1901 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
1902             Kaz Kojima  <kkojima@gcc.gnu.org>
1903
1904         PR target/29746
1905         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
1906         properly.
1907         (sh_initialize_trampoline): Add parentheses to avoid a warning.
1908
1909 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
1910
1911         * doc/loop.texi: Document possibility not to perform disambiguation
1912         of loops with multiple latches.
1913         * cfgloopmanip.c (alp_enum_p): Removed.
1914         (add_loop): Handle subloops.  Use get_loop_body_with_size.
1915         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
1916         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
1917         the new forwarder block.
1918         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
1919         Handle the case latch is NULL.
1920         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
1921         when marking loop exits.
1922         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
1923         be modified.
1924         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
1925         disambiguate_loops_with_multiple_latches.
1926         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
1927         before fix_loop_structure.
1928         * cfgloop.c: Include pointer-set.h and output.h.
1929         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
1930         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
1931         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
1932         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
1933         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
1934         disambiguate_multiple_latches, get_loop_body_with_size,
1935         disambiguate_loops_with_multiple_latches): New functions.
1936         (flow_loop_dump): Dump multiple latch edges.
1937         (flow_loop_nodes_find): Handle loops with multiple latches.
1938         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
1939         (glb_enum_p): Modified.
1940         (get_loop_body): Use get_loop_body_with_size.
1941         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
1942         (AVOID_CFG_MODIFICATIONS): New constant.
1943         (disambiguate_loops_with_multiple_latches, add_loop,
1944         get_loop_body_with_size): Declare.
1945         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
1946
1947 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
1948
1949         PR inline-asm/28686
1950         * global.c (compute_regsets): New function.
1951         (global_alloc): Refactored ELIMINABLE_REGSET
1952         and NO_GLOBAL_ALLOC_REGS computation out.
1953         (rest_of_handle_global_alloc): Call compute_regsets()
1954         for non-optimizing case.
1955
1956 2007-02-06  Richard Henderson  <rth@redhat.com>
1957
1958         * config/i386/constraints.md (Y2): Rename from Y.
1959         (Yi): New constraint.
1960         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
1961         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
1962         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
1963         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
1964         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
1965         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
1966         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
1967         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
1968         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
1969         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
1970         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
1971         vec_extractv2si_1): Change Y constraints to Y2.
1972         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
1973         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
1974         Change Y constraints to Y2.
1975         (sse2_loadld): Change Y constraints to x.
1976
1977 2007-02-06  Roger Sayle  <roger@eyesopen.com>
1978
1979         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
1980         (parity<mode>2): New define_expand using rs6000_emit_parity.
1981         * config/rs6000/rs6000.c (rs6000_emit_popcount,
1982         rs6000_emit_parity): New functions.
1983         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
1984         rs6000_emit_parity): Prototype here.
1985
1986 2007-02-06  Ian Lance Taylor  <iant@google.com>
1987
1988         * lower-subreg.c (simple_move_operand): Reject CONST.
1989         (resolve_clobber): Call validate_change rather than directly
1990         assigning to XEXP (pat, 0).
1991
1992 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
1993
1994         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
1995         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
1996         (tree-cfg.o): Remove hashtab.h dependency.
1997
1998         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
1999         (struct ivopts_data): Change niters to pointer_map_t.
2000         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
2001         (niter_for_exit): Create pointer_map on demand.  Change for
2002         pointer_map API.
2003         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
2004         (free_loop_data): Destroy data->niters if created and reset field.
2005         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
2006         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
2007
2008         * tree-ssa-reassoc.c: Include pointer-set.h.
2009         (bb_rank): Change to long *.
2010         (operand_rank): Change to pointer_map_t.
2011         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
2012         (insert_operand_rank): Accept long.
2013         (operand_entry_hash, operand_entry_eq): Remove.
2014         (get_rank): Return long.  Adjust for changes above.
2015         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
2016         and operand_rank.
2017         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
2018
2019         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
2020         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
2021         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
2022         is not NULL.
2023         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
2024         directly since it cannot be NULL.
2025         (get_vi_for_tree): Rewrite for pointer_map API.
2026         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
2027         (init_alias_vars): Create vi_for_tree as pointer_map.
2028         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
2029
2030         * tree-cfg.c: Don't include hashtab.h.
2031         (edge_to_cases): Declare as pointer_map.
2032         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
2033         Delete.
2034         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
2035         (start_recording_case_labels): Create edge_to_cases as pointer_map.
2036         (end_recoding_case_labels): Cleanup edge_to_cases manually before
2037         destroying it.
2038         (record_switch_edge): Delete.
2039         (get_cases_for_edge): Adjust for pointer_map API, inline
2040         record_switch_edge (rewritten for new API), remove goto.
2041
2042 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2043
2044         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
2045         * tree-nested.c: Include pointer-set.h.
2046         (var_map_elt, var_map_eq, var_map_hash): Delete.
2047         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
2048         to pointer_map_t's.
2049         (nesting_info_bitmap_obstack): New.
2050         (lookup_field_for_decl): Adjust for pointer_map API.
2051         (lookup_tramp_for_decl): Adjust for pointer_map API.
2052         (get_nonlocal_debug_decl): Adjust for pointer_map API.
2053         (get_local_debug_decl): Adjust for pointer_map API.
2054         (convert_nl_goto_reference): Adjust for pointer_map API.
2055         (convert_nl_goto_receiver): Adjust for pointer_map API.
2056         (create_nesting_tree): Create outside GGC space.  Create bitmap on
2057         the new obstack.  Create field_map and var_map as pointer_maps.
2058         (free_nesting_tree): Adjust for changes to create_nesting_tree.
2059         (root): Delete.
2060         (lower_nested_functions): Move root here, no need to NULL it.
2061         Initialize and release the obstack.
2062
2063 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
2064
2065         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
2066         Remove prototypes and make them non-static.
2067         (struct tree_int_map): Remove.
2068         * tree.h (struct tree_int_map): Move here, turning TO into an
2069         unsigned int.
2070         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
2071
2072         * tree.h (TREE_COMPLEXITY): Remove.
2073         (struct tree_exp): Remove complexity field.
2074         * tree.c (build1_stat): Don't set it.
2075
2076 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
2077             Victor Kaplansky  <victork@il.ibm.com>
2078
2079         * tree-vectorizer.c (vect_is_simple_use): Support induction.
2080         (vect_is_simple_reduction): Support reduction with induction as
2081         one of the operands.
2082         (vect_is_simple_iv_evolution): Fix formatting.
2083         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
2084         formatting.  Don't mark induction phis for vectorization.
2085         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
2086         * tree-vect-transform.c (get_initial_def_for_induction): New function.
2087         (vect_get_vec_def_for_operand): Support induction.
2088         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
2089         induction case.
2090         (vectorizable_reduction): Support reduction with induction as one of
2091         the operands.
2092         (vectorizable_type_demotion): Use def-type of stmt argument rather
2093         than dummy def-type.
2094
2095         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
2096         flag_tree_scev_cprop.
2097         * common.opt (tree-scev-cprop): New flag.
2098
2099         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
2100         call to vect_get_new_vect_var.
2101
2102 2007-02-06  Ira Rosen  <irar@il.ibm.com>
2103
2104         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
2105         vectype is not NULL.
2106         (vect_pattern_recog_1): Likewise.
2107
2108 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2109
2110         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
2111         (fold_negate_expr): Likewise.
2112
2113 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
2114
2115         PR debug/30189
2116         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
2117         even if cv-qualification is the same.
2118
2119 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
2120
2121         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
2122         __enable_execute_stack on completion.
2123
2124 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2125
2126         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
2127         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
2128         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
2129         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
2130         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
2131         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
2132         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
2133         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
2134
2135 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2136
2137         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
2138         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
2139         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
2140         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
2141         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
2142         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
2143         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
2144         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
2145         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
2146         umuldi3_highpart_rex64, umulsi3_highpart_insn,
2147         umulsi3_highpart_zext, smuldi3_highpart_rex64,
2148         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
2149         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
2150         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
2151         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
2152         sqrtextenddfxf2_i387): Added amdfam10_decode.
2153
2154         * config/i386/athlon.md (athlon_idirect_amdfam10,
2155         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
2156         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
2157         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
2158         athlon_ivector_store_amdfam10): New define_insn_reservation.
2159         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
2160         amdfam10.
2161
2162 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2163
2164         * config/i386/athlon.md (athlon_call_amdfam10,
2165         athlon_pop_amdfam10, athlon_lea_amdfam10): New
2166         define_insn_reservation.
2167         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
2168         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
2169         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
2170
2171 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2172
2173         * config/i386/athlon.md (athlon_sseld_amdfam10,
2174         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
2175         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
2176
2177 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2178
2179         * config/i386/athlon.md (athlon_sseins_amdfam10): New
2180         define_insn_reservation.
2181         * config/i386/i386.md (sseins): Added sseins to define_attr type
2182         and define_attr unit.
2183         * config/i386/sse.md: Set type attribute to sseins for insertq
2184         and insertqi.
2185
2186 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2187
2188         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
2189         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
2190         ssecomi_load_amdfam10, ssecomi_amdfam10,
2191         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
2192         define_insn_reservation.
2193         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
2194
2195 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2196
2197         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
2198         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
2199         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
2200         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
2201         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
2202         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
2203         define_insn_reservation.
2204
2205         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
2206         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
2207         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
2208         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
2209         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
2210
2211 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2212
2213         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
2214         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
2215         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
2216         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
2217         athlon_ssemul_load_k8): Added amdfam10.
2218
2219 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2220
2221         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
2222         (x86_sse_unaligned_move_optimal): New variable.
2223
2224         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
2225         m_AMDFAM10.
2226         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
2227         for unaligned vector SSE double/single precision loads for AMDFAM10.
2228
2229 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2230
2231         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
2232         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
2233         Define TARGET_CPU_DEFAULT_amdfam10.
2234         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
2235         (processor_type): Add PROCESSOR_AMDFAM10.
2236
2237         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
2238         processor_type in config/i386/i386.h.
2239         Enable imul peepholes for TARGET_AMDFAM10.
2240
2241         * config.gcc: Add support for --with-cpu option for amdfam10.
2242
2243         * config/i386/i386.c (amdfam10_cost): New variable.
2244         (m_AMDFAM10): New macro.
2245         (m_ATHLON_K8_AMDFAM10): New macro.
2246         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2247         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
2248         x86_promote_QImode, x86_integer_DFmode_moves,
2249         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2250         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
2251         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
2252         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
2253         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
2254         Enable/disable for amdfam10.
2255         (override_options): Add amdfam10_cost to processor_target_table.
2256         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
2257         processor_alias_table.
2258         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
2259         (ix86_adjust_cost): Add code for amdfam10.
2260
2261 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2262
2263         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
2264         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
2265         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
2266         * config/i386/i386.h: Add builtin definition for SSE4A.
2267         * config/i386/i386.md: Add support for ABM instructions
2268         (popcnt and lzcnt).
2269         * config/i386/sse.md: Add support for SSE4A instructions
2270         (movntss, movntsd, extrq, insertq).
2271         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
2272         Add -march=amdfam10 flag.
2273         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
2274         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
2275         and amdfam10.
2276         * doc/extend.texi: Add documentation for SSE4A builtins.
2277
2278 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
2279
2280         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
2281
2282 2007-02-05  Richard Guenther  <rguenther@suse.de>
2283
2284         * tree-vectorizer.h (vectorizable_function): Add argument type
2285         argument, change return type.
2286         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
2287         * tree-vect-transform.c (vectorizable_function): Handle extra
2288         argument, return vectorized function decl.
2289         (build_vectorized_function_call): Remove.
2290         (vectorizable_call): Handle calls with result and argument types
2291         differing.  Handle loop vectorization factor correctly.
2292         * targhooks.c (default_builtin_vectorized_function): Adjust for
2293         extra argument.
2294         * targhooks.h (default_builtin_vectorized_function): Likewise.
2295         * target.h (builtin_vectorized_function): Add argument type
2296         argument.
2297         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
2298         extra argument, allow vectorizing of lrintf.
2299         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
2300         documentation of target hook.
2301
2302 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
2303
2304         PR target/30665
2305         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
2306         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
2307         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
2308
2309 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2310
2311         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
2312         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
2313         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
2314         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
2315         before canonicalizing sincos to cexpi.
2316         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
2317
2318 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2319
2320         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
2321         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
2322         (alpha_init_builtins): Use alpha_add_builtins to process tables.
2323
2324 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2325
2326         * mips-tfile.c (initialize_init_file): Correct endianness test.
2327
2328 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
2329
2330         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
2331         the 'y' constraint.
2332
2333 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2334
2335         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
2336         saves in a PARALLEL before the register assignments.
2337
2338 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2339
2340         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
2341         DWARF_FRAME_RETURN_COLUMN to be a general register.
2342         * dwarf2out.c (init_return_column_size): New function, split from...
2343         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
2344         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
2345         to be nongeneral registers.
2346         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
2347         integer registers.
2348         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
2349         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
2350
2351 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2352
2353         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
2354
2355 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2356
2357         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
2358         (remove_path): Use can_remove_branch_p and remove_branch instead
2359         of loop_delete_branch_edge.
2360         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
2361         (tree_transform_and_unroll_loop): Remove dead branches immediately.
2362         Update profile using scale_dominated_blocks_in_loop.
2363         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
2364         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
2365         (can_remove_branch_p, remove_branch): Declare.
2366         * tree-cfg.c (tree_can_remove_branch_p): New function.
2367         (tree_cfg_hooks): Add tree_can_remove_branch_p.
2368         * cfgrtl.c (rtl_can_remove_branch_p): New function.
2369         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
2370
2371 2007-02-05  Jan Hubicka  <jh@suse.cz>
2372
2373         PR middle-end/30696
2374         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
2375         nodes in cgraph, don't remove offline copy of the function.
2376
2377 2007-02-04  Jan Hubicka  <jh@suse.cz>
2378
2379         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
2380         vectors might cause maybe_lookup_element_for_expr to be called
2381         on non-sra-candidate.
2382
2383 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2384
2385         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
2386         config/bfin/bfin.md, config/bfin/predicates.md: Follow
2387         spelling conventions.
2388
2389 2007-02-04  Richard Guenther  <rguenther@suse.de>
2390
2391         PR middle-end/30636
2392         * fold-const.c (try_move_mult_to_index): Make sure to not
2393         overflow one dimension of a multi-dimensional array access.
2394
2395 2007-02-04  Jan Hubicka  <jh@suse.cz>
2396
2397         * passes.c (init_optimization_passes): Reindent.
2398
2399 2007-02-04  Jan Hubicka  <jh@suse.cz>
2400             Eric Botcazou  <ebotcazou@adacore.com>
2401
2402         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
2403         (execute_fixup_cfg): Break out the abnormal goto code.
2404         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
2405         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
2406         (optimize_inline_calls): Call make_nonlocal_label_edges.
2407
2408 2007-02-04  Jan Hubicka  <jh@suse.cz>
2409
2410         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
2411         true when something was changed.
2412         (rename_ssa_copies): When something was changed, do
2413         TODO_remove_unused_locals.
2414         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
2415         add TODO_remove_unused_locals when instruction was removed.
2416
2417 2007-02-04  Jan Hubicka  <jh@suse.cz>
2418
2419         * ipa-inline.c (try_inline): Improve debug output; work on already
2420         inline edges too.
2421         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
2422         call try_inline for already inlined edges too when flattening;
2423         inline also functions that make callee growth but overall unit size
2424         reduce.
2425
2426 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2427
2428         * config/m32c/bitops.md, config/m32c/jump.md,
2429         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
2430         config/m32r/m32r.h, config/m32r/m32r.md,
2431         config/m32r/predicates.md, config/m68hc11/larith.asm,
2432         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
2433         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
2434         config/mips/mips-protos.h, config/mips/mips.c,
2435         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
2436         config/mn10300/mn10300.h, config/mn10300/predicates.md,
2437         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
2438         spelling conventions.
2439
2440         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
2441         Follow spelling conventions.
2442
2443 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
2444
2445         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
2446         warn about C++0x compatibility.
2447
2448 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2449
2450         * config/h8300/h8300.c, config/h8300/h8300.h,
2451         config/h8300/h8300.md: Follow spelling conventions.
2452
2453 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
2454
2455         PR middle-end/30667
2456         * combine.c (try_combine): Do not substitute source operand
2457         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
2458
2459 2007-02-03  Jan Hubicka  <jh@suse.cz>
2460
2461         PR gcov-profile/30650
2462         * value-prof.c (stringop_block_profile): Fix handling of size counter;
2463         do not divide by zero for never executed counters.
2464         (tree_find_values_to_profile): Fix counters.
2465         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
2466
2467 2007-02-03  Ian Lance Taylor  <iant@google.com>
2468
2469         * lower-subreg.c (simple_move_operand): New static function,
2470         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
2471         operands.
2472         (simple_move): Call simple_move_operand.
2473         (find_decomposable_subregs): Add special handling of MEMs.
2474         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
2475         meaning of return value.  If we see a hard register, test whether
2476         it can store a word_mode value.  Change all callers.
2477
2478 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2479
2480         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
2481         ftrapv insns and expanders.
2482         (subdi3): Change define_expand operand 1 to arith11_operand, and
2483         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
2484         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
2485         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
2486         respectively.
2487
2488         PR middle-end/30174
2489         * varasm.c (notice_global_symbol): Treat global objects as weak when
2490         flag_shlib is true.
2491
2492 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2493
2494         * emit-rtl.c (dconstpi): Delete.
2495         (dconstsqrt2): New.
2496         (init_emit_once): Delete dconstpi and init dconstsqrt2.
2497         * real.h (dconstpi): Delete.
2498         (dconstsqrt2): New.
2499         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
2500         (fold_builtin_hypot): Likewise.
2501
2502 2007-02-03  Tom Tromey  <tromey@redhat.com>
2503
2504         PR driver/30246
2505         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
2506         -gcoff3, -gxcoff3, -gvms3 implies -dD.
2507
2508 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
2509
2510         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
2511         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
2512         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
2513         config/rs6000/cell.md, config/rs6000/darwin.h,
2514         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
2515         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
2516         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
2517         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
2518         typos.  Follow spelling conventions.
2519         * doc/invoke.texi: Follow spelling conventions.
2520
2521 2007-02-03  Roger Sayle  <roger@eyesopen.com>
2522
2523         * simplify-rtx.c (simplify_relational_operation_1): Implement some
2524         canonicalization transformations that attempt to simplify integer
2525         constant comparisons to become comparisons against zero.
2526
2527 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2528
2529         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
2530         fabs(x)*sqrt(2).
2531         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
2532         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
2533
2534 2007-02-02  Mike Stump  <mrs@apple.com>
2535
2536         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
2537         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
2538         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
2539         generate a branch island.
2540
2541 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
2542
2543         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
2544         (xtensa_legitimate_address_p): New.
2545         (xtensa_legitimize_address): New.
2546         (xtensa_output_addr_const_extra): New.
2547         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
2548         (BASE_REG_P): New.
2549         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
2550         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
2551         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
2552         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
2553         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
2554         (xtensa_legitimize_address): New.
2555         (xtensa_output_addr_const_extra): New.
2556
2557 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
2558
2559         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
2560
2561 2007-02-02  Ian Lance Taylor  <iant@google.com>
2562
2563         * expmed.c (expand_divmod): Add comment.
2564
2565 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
2566
2567         * emit-rtl.c (renumber_insns): Remove.
2568         * flags.h: Remove the extern for flag_renumber_insns.
2569         * rtl.h: Remove the prototype for renumber_insns.
2570         * toplev.c (flag_renumber_insns): Remove.
2571
2572 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
2573
2574         Revert for x86 darwin:
2575         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
2576
2577         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
2578         code before the following patch under TARGET_MACHO.
2579         (ix86_function_value_regno_p): Likewise.
2580
2581 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2582
2583         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
2584         COMPLEX_EXPR.
2585
2586 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2587
2588         PR target/29682
2589         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
2590         general or fp registers.  Add comments.
2591         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
2592
2593 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
2594
2595         * pointer-set.c (insert_aux): Only return insertion slot.
2596         (pointer_set_insert): Adjust.
2597         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
2598         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
2599         pointer_map_traverse): New.
2600         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
2601         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
2602         pointer_map_contains, pointer_map_traverse): Declare.
2603
2604 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
2605
2606         PR middle-end/30473
2607         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
2608         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
2609
2610 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2611
2612         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
2613
2614         (struct _dep): New type.
2615         (dep_t): New typedef.
2616         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
2617         (DEP_STATUS): New access macro.  The macro with the same name was
2618         renamed to DEP_LINK_STATUS.
2619         (dep_init): Declare function
2620
2621         (struct _dep_link): New type.
2622         (dep_link_t): New typedef.
2623         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
2624         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
2625         (DEP_LINK_STATUS): New macro.
2626         (debug_dep_links): New debug function.
2627
2628         (struct _deps_list): New type.
2629         (deps_list_t): New typedef.
2630         (DEPS_LIST_FIRST): New access macro.
2631         (FOR_EACH_DEP_LINK): New cycle macro.
2632         (create_deps_list, free_deps_list, delete_deps_list): Declare
2633         functions.
2634         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
2635         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
2636         (copy_deps_list_change_con): Ditto.
2637
2638         (move_dep_link): Declare function.
2639
2640         (struct _dep_node): New type.
2641         (dep_node_t): New typedef.
2642         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
2643
2644         (struct haifa_insn_data.back_deps): New field to hold backward
2645         dependencies of the insn.
2646         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
2647         to deps_list_t.
2648         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
2649         Change its type to deps_list_t.
2650         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
2651         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
2652         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
2653
2654         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
2655
2656         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
2657
2658         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
2659         all callers.
2660         (dep_cost): Declare.
2661
2662         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
2663         (ds_to_dk, dk_to_ds): New functions.
2664
2665         (init_dep_1): New static function.
2666         (init_dep): New function.
2667         (copy_dep): New static function.
2668
2669         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
2670         functions.
2671         (detach_dep_link): New static function.
2672         (move_dep_link): New function.
2673
2674         (dep_links_consistent_p, dump_dep_links): New static functions.
2675         (debug_dep_links): New debugging function.
2676
2677         (deps_obstack, dl_obstack, dn_obstack): New static variables.
2678
2679         (alloc_deps_list, init_deps_list): New static functions.
2680         (create_deps_list): New function.
2681         (clear_deps_list): New static function.
2682         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
2683         (deps_list_consistent_p, dump_deps_list): New static functions.
2684         (debug_deps_list): New function.
2685         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
2686         functions.
2687         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
2688
2689         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
2690         use new scheduler dependencies lists.
2691         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
2692         (sched_analyze): Ditto.  Initialize dependencies lists.
2693         (add_forw_dep, compute_forward_dependences): Update to use new
2694         scheduler dependencies lists.
2695
2696         (init_dependency_caches): Init deps_obstack.
2697         (free_dependency_caches): Free deps_obstack.
2698
2699         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
2700         new scheduler dependencies lists.
2701         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
2702         (add_back_forw_dep, delete_back_forw_dep): Ditto.
2703
2704         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
2705         Update to use new scheduler dependencies lists.
2706         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
2707         (debug_dependencies): Ditto.
2708         (schedule_region): Update comments.
2709
2710         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
2711         scheduler dependencies lists.
2712         (schedule_ebb): Update comments.
2713
2714         * rtl.def (DEPS_LIST): Remove.
2715
2716         * lists.c (unused_deps_list): Remove.
2717         (free_list): Update assertions.
2718
2719         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
2720         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
2721
2722         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
2723         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
2724
2725         * haifa-sched.c (comments): Update.
2726         (insn_cost1): Remove.  Inline the code into insn_cost ().
2727         (insn_cost): Update to use new scheduler dependencies lists.  Move
2728         processing of the dependency cost to dep_cost ().
2729         (dep_cost): New function.  Use it instead of insn_cost () when
2730         evaluating cost of the dependency.  Use compatible interface to
2731         interact with the target.
2732         (priority): Update to use new scheduler dependencies lists.
2733         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
2734         with greater number of insns that depend on the insn.
2735         (schedule_insn): Update to use new scheduler dependencies lists.  Add
2736         code to free backward dependencies lists.  Inline and optimize code
2737         from resolve_dep () - see PR28071.
2738         (ok_for_early_queue_removal): Update to use new scheduler dependencies
2739         lists.  Update call to targetm.sched.is_costly_dependence hook.
2740
2741         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
2742         scheduler dependencies lists.
2743
2744         (resolve_dep): Remove.  Move the logic to schedule_insn ().
2745         (init_h_i_d): Initialize dependencies lists.
2746
2747         (process_insn_depend_be_in_spec): Rename to
2748         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
2749         dependencies lists.
2750         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
2751         Update to use new scheduler dependencies lists.
2752         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
2753
2754         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
2755         new scheduler dependencies lists.
2756         (build_intra_loop_deps): Ditto.
2757
2758         * target.h (struct _dep): Declare to use in
2759         gcc_target.sched.is_costly_dependence.
2760         (struct gcc_target.sched.adjust_cost): Fix typo.
2761         (struct gcc_target.sched.is_costly_dependence): Change signature to use
2762         single dep_t parameter instead of an equivalent triad.
2763         (struct gcc_target.sched.adjust_cost_2): Remove.
2764
2765         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
2766
2767         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
2768
2769         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
2770         documentation.
2771         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
2772
2773         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
2774         (REG_DEP_TRUE): Document.
2775
2776         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
2777         Change signature to correspond to the targetm.sched.adjust_cost hook.
2778         Update use in TARGET_SCHED_ADJUST_COST_2.
2779         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
2780         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
2781         new scheduler dependencies lists.
2782         (ia64_gen_check): Ditto.
2783
2784         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
2785         dependencies lists.
2786
2787         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
2788         signature to correspond to the targetm.sched.is_costly_dependence hook.
2789         (is_costly_group): Update to use new scheduler dependencies lists.
2790
2791         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
2792         instead of INSN_COST () macro.
2793
2794 2007-02-01  Ian Lance Taylor  <iant@google.com>
2795
2796         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
2797
2798 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
2799
2800         * pa.md (tp_load): Correct mfctl instruction syntax.
2801
2802 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
2803
2804         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
2805         altivec_padding_size calculation on AIX.  Improve comment, add
2806         assert to verify that it's right.
2807
2808         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
2809         64-bit.
2810
2811 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
2812
2813         PR inline-asm/28686
2814         * global.c (global_alloc): Add mising initialization of
2815         ELIMINABLE_REGSET.
2816
2817 2007-02-01  Roger Sayle  <roger@eyesopen.com>
2818
2819         * alias.c (init_alias_analysis): Correct whitespace.
2820         * bb-reorder.c (fix_edges_for_rarely_executed_code,
2821         partition_hot_cold_basic_blocks): Likewise.
2822         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
2823         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
2824         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
2825         fold_builtin_snprintf_chk, fold_builtin_printf,
2826         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
2827         do_mpfr_arg3, do_mpfr_sincos): Likewise.
2828         * cfgcleanup.c (cleanup_cfg): Likewise.
2829         * cfgexpand.c (tree_expand_cfg): Likewise.
2830         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
2831         * function.c (get_next_funcdef_no): Likewise.
2832         * gengtype.c (main): Likewise.
2833         * genmodes.c (main): Likewise.
2834         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
2835         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
2836         * ifcvt.c (noce_emit_move_insn): Likewise.
2837         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
2838         Likewise.
2839         * stor-layout.c (get_best_mode): Likewise.
2840         * tree-ssa-loop-niter.c (get_val_for): Likewise.
2841         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
2842         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
2843         perform_var_substitution, solve_graph): Likewise.
2844         * tree-vrp.c (vrp_finalize): Likewise.
2845
2846 2007-02-01  Ian Lance Taylor  <iant@google.com>
2847
2848         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
2849         high part of a paradoxical subreg, return a constant zero.
2850
2851 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
2852
2853         * toplev.c (lang_dependent_init): Call init_set_costs.
2854         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
2855
2856 2007-02-01  Richard Guenther  <rguenther@suse.de>
2857
2858         PR middle-end/30656
2859         * fold-const.c (fold_negate_expr): Allow negating a
2860         constant if overflow does not change.
2861
2862 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2863
2864         * doc/c-tree.texi (Expression trees): Improve markup.
2865         * doc/tm.texi (Register Classes, Addressing Modes)
2866         (Floating Point): Fix spacing after abbreviations.  Fix some
2867         typos.
2868
2869 2007-02-01  Ben Elliston  <bje@au.ibm.com>
2870
2871         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
2872         * doc/contrib.texi: Likewise.
2873         * doc/install.texi: Likewise.
2874
2875 2007-01-31  Richard Henderson  <rth@redhat.com>
2876             Ian Lance Taylor  <iant@google.com>
2877
2878         * lower-subreg.c: New file.
2879         * rtl.def (CONCATN): Define.
2880         * passes.c (init_optimization_passes): Add pass_lower_subreg and
2881         pass_lower_subreg2.
2882         * emit-rtl.c (update_reg_offset): New static function, broken out
2883         of gen_rtx_REG_offset.
2884         (gen_rtx_REG_offset): Call update_reg_offset.
2885         (gen_reg_rtx_offset): New function.
2886         * regclass.c: Revert patch of 2006-03-05, restoring
2887         reg_scan_update.
2888         (clear_reg_info_regno): New function.
2889         * dwarf2out.c (concatn_loc_descriptor): New static function.
2890         (loc_descriptor): Handle CONCATN.
2891         * common.opt (fsplit_wide_types): New option.
2892         * opts.c (decode_options): Set flag_split_wide_types when
2893         optimizing.
2894         * timevar.def (TV_LOWER_SUBREG): Define.
2895         * rtl.h (gen_reg_rtx_offset): Declare.
2896         (reg_scan_update): Declare.
2897         * regs.h (clear_reg_info_regno): Declare.
2898         * tree-pass.h (pass_lower_subreg): Declare.
2899         (pass_lower_subreg2): Declare.
2900         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
2901         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
2902         -fsplit-wide-types.
2903         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
2904         * Makefile.in (OBJS-common): Add lower-subreg.o.
2905         (lower-subreg.o): New target.
2906
2907 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
2908
2909         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
2910
2911 2007-01-31  Anatoly Sokolov <aesok@post.ru>
2912
2913         PR target/19087
2914         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
2915
2916 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2917
2918         PR middle-end/29335
2919         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
2920
2921 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
2922
2923         * cfgloop.h: Include vec-prim.h.
2924         (enum li_flags): Remove LI_ONLY_OLD.
2925         (loop_iterator): Changed.
2926         (fel_next, fel_init): Iterate over loop tree.
2927         (FOR_EACH_LOOP_BREAK): New macro.
2928         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
2929         FOR_EACH_LOOP.
2930         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
2931         * modulo-sched.c (sms_schedule): Ditto.
2932         * tree-vectorizer.c (vectorize_loops): Ditto.
2933         * doc/loop.texi: Update information on loop numbering and behavior of
2934         FOR_EACH_LOOP wrto new loops.
2935         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2936         add_to_evolution_1): Test nestedness of loops instead of comparing
2937         their numbers.
2938         * tree-chrec.c (chrec_fold_plus_poly_poly,
2939         chrec_fold_multiply_poly_poly, chrec_evaluate,
2940         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
2941         reset_evolution_in_loop): Ditto.
2942         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
2943
2944 2007-01-31  Dirk Mueller  <dmueller@suse.de>
2945
2946         * c-common.c (warn_about_parentheses): Separate warning about
2947         un-parenthized sequence of comparison operators from the one
2948         which is supposed to warn about x <= y <= z.
2949
2950 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
2951
2952         * optabs.h (enum optab_index): Add new OTI_isinf.
2953         (isinf_optab): Define corresponding macro.
2954         * optabs.c (init_optabs): Initialize isinf_optab.
2955         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
2956         patterns.
2957         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
2958         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
2959         using isinf_optab.
2960         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
2961         expand_builtin_interclass_mathfn.
2962         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
2963         * config/i386/i386.md (UNSPEC_FXAM): New constant.
2964         (fxam<mode>2_i387): New insn pattern.
2965         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
2966         built-in functions as x87 inline asm.
2967
2968 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
2969
2970         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
2971
2972 2007-01-30  Eric Christopher  <echristo@apple.com>
2973
2974         * config.gcc: Add geode.
2975
2976 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
2977
2978         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
2979         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
2980         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
2981         value-prof.c: Fix comment typos.
2982
2983 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2984
2985         PR c++/24745
2986         * doc/invoke.texi (Wpointer-arith): Document warning.
2987
2988 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
2989
2990         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
2991         the list of discrepancies from the draft TR.
2992
2993 2007-01-30  Dirk Mueller  <dmueller@suse.de>
2994
2995         PR c++/30601
2996         * doc/invoke.texi (-Wreturn-type): Update description to
2997         match new behavior.
2998
2999 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
3000
3001         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
3002
3003 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
3004
3005         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
3006         to handle optabs that operate on floating point input argument and
3007         output to integer output.
3008         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
3009         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
3010         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
3011         expand_builtin_interclass_mathfn ().
3012         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
3013         (ilogbsi2): Remove.
3014         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
3015         ilogbl built-in functions as x87 intrinsics.
3016
3017 2007-01-30  Richard Guenther  <rguenther@suse.de>
3018
3019         PR middle-end/27657
3020         * dwarf2out.c (reference_to_unused): Query varpool if the
3021         variable was output.
3022
3023 2007-01-30  Richard Guenther  <rguenther@suse.de>
3024
3025         PR middle-end/30313
3026         * passes.c (execute_one_pass): Reset in_gimple_form to not
3027         confuse non-unit-at-a-time mode.
3028
3029 2007-01-29  Roger Sayle  <roger@eyesopen.com>
3030             Richard Guenther  <rguenther@suse.de>
3031
3032         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
3033         avoid undefined behaviour on overflow.  Use force_fit_type_double
3034         to construct the constant with the specified TREE_OVERFLOW.
3035
3036 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3037
3038         * config/dfp-bit.c: Add parameterized support for fp exceptions.
3039         * config/dfp-bit.h: Ditto.
3040
3041 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3042
3043         * c-decl.c (pop_scope): Replace warnings with call to
3044         warn_for_unused_label.
3045         * c-common.h (warn_for_unused_label): Declare.
3046         * c-common.c (warn_for_unused_label): Define.
3047
3048 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3049
3050         * tree-optimize.c (update_inlined_to_pointers): Delete unused
3051         function.
3052
3053 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3054
3055         * Makefile.in (USER_H): Remove decfloat.h.
3056         * ginclude/decfloat.h: Delete, moving contents to ...
3057         * ginclude/float.h: Add support for decimal floating point,
3058         guarded by __STDC_WANT_DEC_FP__.
3059
3060 2007-01-29  Mike Stump  <mrs@apple.com>
3061
3062         * doc/gccint.texi (Top): Rename Loop Representation to Loop
3063         Analysis and Representation to resolve case insensitive conflict.
3064         * doc/loop.texi (Loop Analysis and Representation): Likewise.
3065
3066 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
3067
3068         * tree.h (struct tree_memory_tag): Add aliases member.
3069         (MTAG_ALIASES): New macro.
3070         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
3071         (add_may_alias): Remove pointer-set. Update for may_aliases being
3072         a bitmap.
3073         (mark_aliases_call_clobbered): Update for may_aliases being a
3074         bitmap.
3075         (compute_tag_properties): Ditto.
3076         (create_partition_for): Ditto.
3077         (compute_memory_partitions): Ditto.
3078         (dump_may_aliases_for): Ditto.
3079         (is_aliased_with): Ditto.
3080         (add_may_alias_for_new_tag): Ditto.
3081         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
3082         (compute_is_aliased): New function.
3083         (compute_may_aliases): Call compute_is_aliased).
3084         (init_alias_info): Initialize alias_bitmap_obstack.
3085         (union_alias_set_into): New function.
3086         (compute_flow_sensitive_aliasing): Use union_aliases_into.
3087         (have_common_aliases_p): Rewrite to take two bitmaps and use
3088         intersection.
3089         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
3090         Update for bitmaps.
3091         (finalize_ref_all_pointers): Update for add_may_alias changes.
3092         (new_type_alias): Ditto.
3093         * tree-flow-inline.h (may_aliases): Return a bitmap.
3094         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
3095         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
3096         may_aliases being a bitmap.
3097         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
3098         may_aliases now returns a bitmap.
3099         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
3100         being a bitmap.
3101         * tree-ssa-operands.c (add_virtual_operand): Update for
3102         may_aliases being a bitmap.
3103
3104 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
3105
3106         PR tree-optimization/30630
3107         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
3108         variable as changed.
3109
3110 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
3111
3112         PR c++/28266
3113         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
3114         expanded only once even if an error occurs.
3115
3116 2007-01-29  Ben Elliston  <bje@au.ibm.com>
3117
3118         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
3119         (__gcov_average_profiler): Likewise.
3120         (__gcov_ior_profiler): Likewise.
3121         (__gcov_merge_ior): Likewise.
3122
3123 2007-01-28  Jan Hubicka  <jh@suse.cz>
3124
3125         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
3126         * value-prof.c (stringop_block_profile): Likewise.
3127
3128 2007-01-28  Jan Hubicka  <jh@suse.cz>
3129
3130         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
3131         variant handling histograms; add wrapper.
3132         (clear_storage_via_libcall): Export.
3133         (emit_block_move_hints): Break out from ...; add histograms.
3134         (emit_block_move): ... this one.
3135         (clear_storage_hints): Break out from ...; add histograms.
3136         (clear_storage): ... this one.
3137         (set_storage_via_memset): Handle histogram.
3138         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
3139         (clear_storage_hints, clear_storage_via_libcall): Declare.
3140         (set_storage_via_setmem): Update prototype.
3141         * doc/md.texi (movmem, setmem): Document new arguments.
3142
3143         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
3144         new histograms.
3145         (stringop_block_profile): New global function.
3146         (tree_stringops_values_to_profile): Profile block size and alignment.
3147         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
3148         HIST_TYPE_IOR.
3149         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
3150         (stringop_block_profile): Declare.
3151         * builtins.c: Include value-prof.h.
3152         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
3153         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
3154         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
3155         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
3156         * profile.c (instrument_values): Add new counters.
3157         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
3158         calls.
3159         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
3160         (tree_init_edge_profiler): Build new profilers.
3161         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
3162         (pass_tree_profile): Add dump.
3163         (tree_profile_hooks): Update.
3164         * Makefile.in (LIBGCOV): Add new constants.
3165         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
3166         __gcov_ior_profiler): New.
3167         * i386.md (movmem/setmem expanders): Add new optional arguments.
3168
3169 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
3170
3171         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
3172
3173 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3174
3175         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
3176         (tree_unswitch_single_loop): Pass eni_size_weights to
3177         tree_num_loop_insns.
3178         * tree-ssa-loop-manip.c: Include tree-inline.h.
3179         (can_unroll_loop_p): Pass eni_size_weights to
3180         tree_num_loop_insns.
3181         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
3182         Pass eni_size_weights to estimate_num_insns.
3183         * tree.h (init_inline_once): Export.
3184         * toplev.c (backend_init): Call init_inline_once.
3185         * cgraphunit.c (cgraph_process_new_functions,
3186         cgraph_analyze_function): Pass eni_inlining_weights to
3187         estimate_num_insns.
3188         * ipa-inline.c (compute_inline_parameters): Ditto.
3189         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
3190         to estimate_num_insns.
3191         (try_unroll_loop_completely): Pass eni_size_weights to
3192         tree_num_loop_insns.
3193         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
3194         ot estimate_num_insns.
3195         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
3196         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
3197         * tree-inline.c (eni_inlining_weights, eni_size_weights,
3198         eni_time_weights): New variables.
3199         (init_inline_once): Initialize them.
3200         (struct eni_data): Mew.
3201         (estimate_num_insns_1, estimate_num_insns): Use weights.
3202         * tree-inline.h (struct eni_weights_d): New.
3203         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
3204         (estimate_num_insns): Declaration changed.
3205         * cfgloop.h (tree_num_loop_insns): Declaration changed.
3206         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
3207         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
3208
3209 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3210
3211         * tree-data-ref.c (conflict_fn): Assert that the number of affine
3212         relations in the conflict function is valid.
3213
3214 2007-01-27  Ian Lance Taylor  <iant@google.com>
3215
3216         * common.opt: Add fstrict-overflow.
3217         * opts.c (decode_options): Set flag_strict_overflow if -O2.
3218         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
3219         (TYPE_OVERFLOW_UNDEFINED): Define.
3220         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
3221         Replace all uses.
3222         * tree.h (TYPE_TRAP_SIGNED): Don't define.
3223         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
3224         (fold_negate_expr): Likewise.
3225         (make_range): Likewise.
3226         (extract_muldiv_1): Likewise.
3227         (maybe_canonicalize_comparison): Likewise.
3228         (fold_comparison): Likewise.
3229         (fold_binary): Likewise.
3230         (tree_expr_nonnegative_p): Likewise.
3231         (tree_expr_nonzero_p): Likewise.
3232         * tree-vrp.c (compare_values): Likewise.
3233         (extract_range_from_binary_expr): Likewise.
3234         (extract_range_from_unary_expr): Likewise.
3235         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
3236         Likewise.
3237         (nowrap_type_p): Likewise.
3238         * tree-scalar-evolution.c (simple_iv): Likewise.
3239         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
3240         (build_range_check): Likewise.
3241         (extract_muldiv_1): Likewise.
3242         (fold_comparison): Likewise.
3243         * tree-vrp.c (vrp_int_const_binop): Likewise.
3244         (extract_range_from_unary_expr): Likewise.
3245         * convert.c (convert_to_integer): Likewise.
3246         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
3247         (fold_comparison): Likewise.
3248         (fold_binary): Likewise.
3249         * optabs.c (optab_for_tree_code): Likewise.
3250         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
3251         * simplify-rtx.c (simplify_const_relational_operation): Check
3252         flag_strict_overflow and flag_trapv.
3253         (simplify_const_relational_operation): Likewise.
3254         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
3255         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
3256         -fstrict-overflow.
3257
3258 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3259
3260         * tree.c (tree_fold_gcd): Delete.
3261         * tree.h (tree_fold_gcd): Remove prototype.
3262         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
3263         test whether one constant integer is a multiple of another.  Instead
3264         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
3265         * fold-const.c (multiple_of_p):  We've determined both TOP and
3266         BOTTOM are integer constants so we can call int_const_binop directly
3267         instead of the more generic const_binop.
3268
3269 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3270
3271         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
3272         1*X check that the constant hasn't overflowed, to preserve the
3273         TREE_OVERFLOW bit.
3274         (round_up): Provide an efficient implementation when rouding-up an
3275         INTEGER_CST to a power-of-two.
3276
3277 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3278
3279         * doc/sourcebuild.texi: Add comma for clarity.
3280         * doc/extend.texi: Fix some typos.
3281         * doc/passes.texi: Likewise.
3282         * doc/cppinternals.texi: Likewise.
3283         * doc/c-tree.texi: Likewise.
3284         * doc/tree-ssa.texi: Likewise.
3285         * doc/install.texi: Likewise.
3286
3287 2007-01-27  Jan Hubicka  <jh@suse.cz>
3288
3289         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
3290         (pass_sra): Do not require alias information.
3291         * passes.c (init_optimization_passes): Add SRA
3292
3293 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
3294
3295         * tracer.c (rest_of_handle_tracer): We already cleaned
3296         up the CFG in tracer() so don't do it here again.
3297         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
3298         cleanup_cfg here, either.  And don't call renumber_insns.
3299
3300         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
3301         and BB_HEAD are in the insn stream here.  Instead make sure
3302         that BB_INSN is valid on all insns.  Also, do check here that
3303         there are no pending branch predictions...
3304         (rtl_verify_flow_info): ...instead of doing it here.  Checks
3305         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
3306         here.
3307
3308 2007-01-26  Roger Sayle  <roger@eyesopen.com>
3309
3310         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
3311         function to simplify/factorize operand order canonicalization.
3312         (ix86_fixup_binary_operands): Reorganize using the above function.
3313         (ix86_binary_operator_ok): Likewise.
3314
3315 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
3316
3317         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
3318         file scope from optimize_attrs.
3319         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
3320         up search.
3321         (optimize_attrs): Clear insn_code_values after freeing it.
3322
3323 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3324
3325         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
3326         a parts.base assignment.
3327
3328 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3329
3330         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
3331         (compute_subscript_distance, initialize_data_dependence_relation,
3332         finalize_ddr_dependent, analyze_ziv_subscript,
3333         analyze_siv_subscript_cst_affine,
3334         compute_overlap_steps_for_affine_univar,
3335         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
3336         analyze_siv_subscript, analyze_miv_subscript,
3337         analyze_overlapping_iterations, subscript_dependence_tester_1,
3338         compute_self_dependence, free_dependence_relation): Work
3339         with affine_fn instead of chrecs.
3340         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
3341         common_affine_function, affine_function_base,
3342         affine_function_constant_p, affine_fn_op, affine_fn_plus,
3343         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
3344         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
3345         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
3346         (all_chrecs_equal_p): Removed.
3347         * tree-data-ref.h (affine_fn, conflict_function): New types.
3348         (struct subscript): Change type of conflicting_iterations_in_a
3349         and conflicting_iterations_in_b.
3350
3351 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
3352
3353         PR other/30182
3354         * config/pa/pa.h (TARGET_HPUX_11): New.
3355         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
3356         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
3357
3358 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
3359         Richard Guenther  <rguenther@suse.de>
3360
3361         * tree-ssa-structalias.c (solve_graph): Handle case
3362         we merged the variable to another.
3363
3364 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3365
3366         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
3367         functions.
3368
3369         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
3370         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
3371
3372 2007-01-25  DJ Delorie  <dj@redhat.com>
3373
3374         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
3375         allow changes to modes which don't fit in those registers.
3376
3377         * reload1.c (choose_reload_regs): Check for invalid subregs before
3378         computing their locations, not after.
3379
3380 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
3381
3382         PR 25127
3383         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
3384         save Altivec registers in an eh_return function.
3385         (compute_vrsave_mask): Likewise.
3386         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
3387         for saving Altivec registers.
3388         (rs6000_emit_prologue): Don't allocate stack twice in
3389         eh_return function.  Correct expected value of altivec_save_offset
3390         when using save_world.  Describe save of R0 to stack when using
3391         save_world.  Describe stack pointer adjustment when using
3392         save_world.  Remove duplicated eh_return parameter register saving.
3393         Update sp_offset variable after save_world.
3394         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
3395         darwin-world.asm.
3396         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
3397         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
3398         implies Altivec.
3399
3400 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
3401
3402         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
3403
3404 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
3405
3406         PR other/30182
3407         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
3408         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
3409
3410 2007-01-25  Richard Guenther  <rguenther@suse.de>
3411
3412         * doc/invoke.texi (-Wcoverage-mismatch): Document.
3413         * common.opt (-Wcoverage-mismatch): New warning option.
3414         * coverage.c (get_coverage_counts): Ignore coverage mismatch
3415         if -Wcoverage-mismatch is given.
3416
3417 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
3418
3419         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
3420         (ipcp_driver): Change to static definition.
3421         Add dumping of the ifunctions.
3422         (constant_val_insert): Remove unused parameter. Support for SSA.
3423         (ipcp_propagate_const): Support for SSA.
3424         (ipcp_profile_bb_print): Print only analyzed nodes.
3425         (ipcp_replace_map_create): Remove support for Fortran constant
3426         for now.
3427         * ipa-prop.c (ipa_method_modify_stmt,
3428         ipa_callsite_compute_param): Support for SSA.
3429         * ipa-prop.h (ipcp_driver): Remove declaration.
3430         (IS_VALID_TREE_MAP_INDEX): Add define.
3431
3432 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
3433
3434         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
3435
3436 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3437
3438         PR middle-end/30447
3439         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
3440         constant argument to cabs and do it without checking for
3441         -funsafe-math-optimizations.
3442
3443 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
3444
3445         * c-common.h (RID_FIRST_CXX0X): New.
3446         (RID_LAST_CXX0X): New.
3447         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
3448         by -Wall.
3449         * c.opt (Wc++0x-compat): New.
3450         * doc/invoke.texi (-Wc++0x-compat): Document.
3451
3452 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3453
3454         * builtins.c (fold_builtin_carg): New.
3455         (fold_builtin_1): Use it.
3456
3457 2007-01-24  Jan Hubicka  <jh@suse.cz>
3458
3459         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
3460
3461         * ipa-inline.c (initial_insns, max_insns): Delete.
3462         (compute_max_insns): New function.
3463         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
3464         of insns as base for code growth.
3465         (cgraph_decide_inlining): Make initial_insns local; do not compute
3466         max_insns.
3467         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
3468         * doc/invoke.texi (inline-unit-growth): Update docs.
3469
3470 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
3471
3472         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
3473         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
3474         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
3475         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
3476         for CPUs that have PTA_CX16 set.
3477
3478         PR middle-end/27416
3479         * gimplify.c (omp_check_private): New function.
3480         (gimplify_scan_omp_clauses): Use it for
3481         firstprivate/lastprivate/reduction.
3482
3483         PR middle-end/30494
3484         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
3485         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
3486
3487         PR middle-end/30421
3488         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
3489         If lower_lastprivate_clauses emits some statements, append them
3490         to dlist rather than body_p and to body_p append an initializer.
3491         (lower_omp_for): Adjust caller.
3492
3493 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
3494
3495         * target.h (globalize_decl_name): New.
3496         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3497         * output.h (default_globalize_decl_name): New.
3498         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
3499         globalize_label.
3500         (globalize_decl): Ditto.
3501         (default_globalize_decl_name): New.
3502         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
3503         (ia64_handle_version_id_attribute): New.
3504         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3505         (ia64_asm_output_external): Use globalize_decl_name instead
3506         of globalize_label.
3507         * doc/extend.texi (version_id): New pragma.
3508         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
3509
3510 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3511
3512         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
3513         _uleb128_t and _Unwind_SWord with _sleb128_t.
3514         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
3515         uw_frame_state_for, uw_update_context_1): Likewise.
3516         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
3517         * unwind-pe.h (read_uleb128, read_sleb128,
3518         read_encoded_value_with_base): Likewise.
3519         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
3520
3521 2007-01-24  Richard Guenther  <rguenther@suse.de>
3522
3523         * builtins.c (expand_builtin_cexpi): Get the fndecl
3524         for cexp in the correct way.
3525
3526 2007-01-24  Jan Hubicka  <jh@suse.cz>
3527
3528         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
3529
3530 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3531
3532         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
3533         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
3534         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
3535         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
3536         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
3537         __SIZEOF_PTRDIFF_T__.
3538         * doc/cpp.texi: Documentation for the new builtin macros added.
3539
3540 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
3541
3542         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
3543         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
3544         instead of operands[2] to avoid access past the end of array.
3545
3546 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
3547
3548         * reload1.c (emit_reload_insns): Pass the reload register
3549         for a non-spill output reload through forget_old_reloads_1.
3550
3551 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
3552
3553         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3554         _SOFT_DOUBLE if doubles use software floating-point.
3555         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
3556         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
3557         * config/rs6000/darwin-ldouble.c: Also compile functions for
3558         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
3559         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
3560         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
3561         commented-out long double override.
3562         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
3563         * config/rs6000/eabispe.h: Likewise.
3564         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
3565         long double for non-SPE.
3566         (rs6000_handle_option): Likewise.
3567         (invalid_e500_subreg): Disallow more subregs involding DImode,
3568         DFmode, TImode or TFmode.
3569         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
3570         E500 double.
3571         (legitimate_lo_sum_address_p): Also check for TFmode for E500
3572         double.
3573         (rs6000_legitimize_address): Also handle TFmode for E500 double.
3574         (rs6000_legitimize_reload_address): Also handle TFmode for E500
3575         double.
3576         (rs6000_legitimate_address): Also check for TFmode for E500
3577         double.
3578         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
3579         (spe_build_register_parallel): Handle TFmode and TCmode.
3580         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
3581         double.
3582         (function_arg): Handle TFmode and TCmode for E500 double.
3583         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
3584         in general.
3585         (print_operand): Handle TFmode and TImode for %y.
3586         (rs6000_generate_compare): Handle TFmode comparisons for E500
3587         double.
3588         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
3589         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
3590         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
3591         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
3592         TFmode for E500 double.
3593         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
3594         (floatsidf2): Enable for E500 double.
3595         (movtf_softfloat): Use rs6000_nonimmediate_operand.
3596         (extenddftf2): Change to extenddftf2_fprs.
3597         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
3598         depending on TARGET_E500_DOUBLE.
3599         (extendsftf2): Enable for E500 double.
3600         (trunctfdf2): Enable for E500 double.
3601         (trunctfsf2): Change to trunctfsf2_fprs.
3602         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
3603         depending on TARGET_E500_DOUBLE.
3604         (floatsitf2): Enable for E500 double.
3605         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
3606         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
3607         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
3608         (negtf2): Change to negtf2_internal.
3609         (negtf2): New expander.
3610         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
3611         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
3612         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
3613         (movdi_internal32): Use rs6000_nonimmediate_operand.
3614         (unnamed splitter): Likewise.
3615         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
3616         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
3617         (SPE64TF, DITI): New mode macros.
3618         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
3619         modes.
3620         (frob_tf_ti): New.
3621         (frob_<mode>_di_2): New.
3622         (frob_tf_di_8_2): New.
3623         (frob_di_df): Change to frob_di_<mode>; allow more modes.
3624         (frob_ti_tf): New.
3625         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
3626         more modes.
3627         (frob_ti_<mode>_8_2): New.
3628         (frob_ti_tf_2): New.
3629         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
3630         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
3631         TFmode.
3632         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
3633         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
3634         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
3635         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
3636         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
3637         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
3638         tsttflt_gp): New.
3639
3640 2007-01-23  Ian Lance Taylor  <iant@google.com>
3641
3642         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
3643         insn-*.o first.
3644         (OBJS-archive): Reformat, alphabetize.
3645         (OBJS): Change out_object_file to OBJS-md.
3646
3647 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
3648
3649         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
3650         JUMP_P and CALL_P predicates where applicable.
3651         * config/i386/i386.c: Ditto.
3652         * config/i386/i386.md: Ditto.
3653         * config/i386/mmx.md: Ditto.
3654         * config/i386/predicates.md: Ditto.
3655
3656 2007-01-22  Andreas Schwab  <schwab@suse.de>
3657
3658         * config/m68k/m68k.h: Fix comment.
3659
3660 2007-01-22  Jan Hubicka  <jh@suse.cz>
3661
3662         * passes.c (init_optimization_passes): Do not rerun
3663         pass_early_warn_uninitialized.
3664
3665 2007-01-22  Richard Guenther  <rguenther@suse.de>
3666
3667         PR tree-optimization/30038
3668         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
3669         function.
3670         (execute_cse_sincos_1): Likewise.
3671         (execute_cse_sincos): Likewise.
3672         (gate_cse_sincos): Likewise.
3673         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
3674         the cexpi() canonicalization of sincos().
3675         * tree-pass.h (pass_cse_sincos): Declare.
3676         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
3677
3678 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3679
3680         PR rtl-optimization/29329
3681         * combine.c (replaced_rhs_insn): Rename to i2mod.
3682         (replaced_rhs_value): Rename to i2mod_new_rhs.
3683         (i2mod_old_rhs): New global variable.
3684         (combine_instructions): Adjust for above change.  Save a copy of
3685         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
3686         note are substituted in the second instruction.
3687         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
3688         ditch the note if it pertains to the second eliminated register
3689         and this register is mentioned in i2mod_old_rhs.
3690
3691         Revert:
3692         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
3693
3694         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
3695         the insn to which the note was originally attached.
3696
3697 2007-01-21  Jan Hubicka  <jh@suse.cz>
3698
3699         * ipa-inline.c (inlining_mode): Comment, move up.
3700         (cgraph_decide_inlining_incrementally): Do not perform inlining
3701         itself; fix handling of flattening of self recursive functions.
3702         (cgraph_find_cycles): Remove.
3703         (cgraph_flatten_node): Remove.
3704         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
3705         (try_inline): New function.
3706         (cgraph_early_inlining): Update call of
3707         cgraph_decide_inlining_incrementally.  Apply inlining here.
3708         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
3709
3710 2007-01-21  Dirk Mueller  <dmueller@suse.de>
3711
3712         PR bootstrap/30511
3713         * tree-vrp.c (check_array_bounds): do not warn
3714         about ADDR_EXPR's of ARRAY_REF's which are immediately
3715         used in binary expressions.
3716
3717 2007-01-21  Ira Rosen  <irar@il.ibm.com>
3718
3719         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
3720         read_write_dep and macros for its access.
3721         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
3722         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
3723         argument, call vect_check_interleaving for every independent pair of
3724         data-refs. Mark loads that access the same memory location as a store
3725         in the loop.
3726         (vect_check_dependences): Remove.
3727         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
3728         call, fix the call to vect_analyze_data_ref_dependence.
3729         (vect_analyze_data_ref_access): For statements that access the same
3730         data-ref, check that they are not stores; for loads, check that there
3731         is no store that access the same location.
3732
3733 2007-01-20  Roger Sayle  <roger@eyesopen.com>
3734             Joseph Myers  <joseph@codesourcery.com>
3735
3736         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
3737         (-fdump-rtl-stack): Likewise.
3738         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
3739         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
3740         (-mpt-fixed): Use @minus{} for minus sign.
3741         (Using Precompiled Headers): Fix under/overfull hbox.
3742
3743 2007-01-20  Jan Hubicka  <jh@suse.cz>
3744
3745         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
3746         place within annotation.
3747
3748 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3749
3750         * pa.c (output_move_double): Change array size of xoperands to 4.
3751
3752 2007-01-20  Jan Hubicka  <jh@suse.cz>
3753
3754         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
3755         as temporary.
3756
3757 2007-01-19  Ian Lance Taylor  <iant@google.com>
3758
3759         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
3760         constant to unsigned HOST_WIDE_INT before negating.
3761
3762 2007-01-19  Ian Lance Taylor  <iant@google.com>
3763
3764         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
3765         to unsigned.
3766         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
3767         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
3768         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
3769         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
3770         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
3771         (realloc_vdef, realloc_vuse): Change second parameter to
3772         unsigned.
3773         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
3774         fields to unsigned.
3775         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
3776         unsigned. Change x and lim locals to unsigned.
3777         (realloc_vdef, realloc_vuse): Change num_elem parameter to
3778         unsigned.
3779         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
3780         (copy_virtual_operands): Change i and n locals to unsigned.
3781
3782 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3783
3784         PR middle-end/29335
3785         * builtins.c (fold_builtin_1): Handle builtin fdim.
3786
3787 2007-01-20  Jan Hubicka  <jh@suse.cz>
3788
3789         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
3790         * tree-ssa-structalias.c (compute_points_to_sets): Do call
3791         init_alias_heapvars.
3792         (init_alias_heapvars): Initialize only when not already initialized.
3793         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
3794
3795 2007-01-19  Roger Sayle  <roger@eyesopen.com>
3796
3797         * common.opt (fsigned-zeros): New command line option.
3798         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
3799         of flag_unsafe_math_optimizations.
3800         * opts.c (set_fast_math_flags): The -ffast-math command line option
3801         implies -fno-signed-zeros.
3802         (fast_math_flags_set_p): Likewise.
3803
3804         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
3805         the documentation of -ffast-math appropriately.  Wrap long lines.
3806
3807 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
3808
3809         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
3810         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
3811
3812 2007-01-19  Tomas Bily  <tbily@suse.cz>
3813
3814         * cgraphunit.c (cgraph_finalize_function): Updating of pid
3815         * tree-profile.c:
3816         (tree_init_ic_make_global_vars): New function
3817         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
3818         (tree_gen_ic_profiler): New function
3819         (tree_gen_ic_func_profiler): New function
3820         (tree_profiling): Added calling of tree_gen_ic_func_profiler
3821         (tree_profile_hooks): Added hook for indirec/virtual calls
3822         * value-prof.c (tree_find_values_to_profile): New case for
3823         indirect calls
3824         (tree_values_to_profile): Call for determining indirect/virtual
3825         counters
3826         (tree_indirect_call_to_profile): New function
3827         (tree_ic_transform): New function
3828         (tree_ic): New function
3829         (find_func_by_pid): New function
3830         (init_pid_map): New function
3831         (tree_value_profile_transformations): Added check for
3832         indirect/virtual call transformation
3833         * value-prof.h (enum hist_type): New counter type for
3834         indirect/virtual calls
3835         (profile_hooks): Added new hook for profiling indirect/virtual
3836         calls
3837         * profile.c (instrument_values): New case for indirect/virtual
3838         call added
3839         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
3840         (GCOV_COUNTER_V_INDIR): New counter type
3841         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
3842         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
3843         call added
3844         * cgraph.c: Definition of cgraph_max_pid
3845         (cgraph_create_node): Default init of pid attribute
3846         * cgraph.h: Declaration of cgraph_max_pid
3847         (struct cgraph_node): Added pid attribute
3848         * libgcov.c (__gcov_indirect_call_profiler): New function
3849         (__gcov_one_value_profiler_body): New function
3850         (__gcov_one_value_profiler): Body was moved to
3851         __gcov_one_value_profiler_body and calls it
3852
3853 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
3854
3855         * doc/gty.texi (Options): Document the mark_hook option to GTY.
3856         * gengtype.c (write_types_data, write_func_for_structure,
3857         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
3858         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
3859         (walk_type, write_func_for_structure): Generate the mark_hook if
3860         needed.
3861
3862 2007-01-19  Jan Hubicka  <jh@suse.cz>
3863
3864         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
3865         'early' argument take inlining mode argument specifying whether to
3866         inline for size/speeed or all functions; add support for flattening;
3867         improve dumpting.
3868         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
3869
3870 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3871
3872         PR c++/17947
3873         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
3874         the name of the declared identifier.
3875
3876 2007-01-19  Dirk Mueller  <dmueller@suse.de>
3877
3878         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
3879         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
3880         duplicate evaluation.
3881
3882 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
3883
3884         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
3885         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
3886         to XFMode, use acosxf2 and truncate result to requested mode.
3887         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
3888         (asin<mode>2): Similarly, with asin expanders.
3889         (*fscalexf4_i387): Rename from *fscalexf4.
3890         (expNcorexf3): New expander.
3891         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
3892         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
3893         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
3894         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
3895         patterns for SSE math.
3896         (exp10<mode>2): Similarly, with exp10 expanders.
3897         (exp2<mode>2): Similarly, with exp2 expanders.
3898         (expm1<mode>2): Similarly, with expm1 expanders.
3899         (ldexp<mode>3): Similarly, with ldexp expanders.
3900         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
3901         Use gen_truncxf<mode>2_i387_noop to truncate result.
3902
3903 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
3904
3905         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
3906         for ColdFire targets.
3907
3908 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
3909             Richard Sandiford  <richard@codesourcery.com>
3910
3911         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
3912         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
3913         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
3914         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
3915         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
3916         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
3917
3918 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
3919
3920         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
3921         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
3922         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
3923         (*adddi_dilshr32_cf): New pattern.
3924         (adddi3, subdi3): Remove first alternatives.
3925
3926 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
3927
3928         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
3929         implemented using move.l, do not use its cc result for floating-point
3930         comparisons.
3931
3932 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
3933
3934         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
3935         from accepting 's' constraints if flag_pic.
3936
3937 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
3938
3939         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
3940         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
3941         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
3942         condition from TARGET_68881 to TARGET_HARD_FLOAT.
3943
3944 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
3945
3946         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
3947         ColdFire alternatives.
3948         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
3949         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
3950         architectures that support ff1 instruction.
3951
3952 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
3953             Julian Brown  <julian@codesourcery.com>
3954
3955         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
3956         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
3957         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
3958         Add commentary.
3959
3960 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
3961
3962         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
3963         and return a bool.
3964         (output_move_const_into_data_reg, output_move_simode_const): Delete.
3965         * config/m68k/m68k.c (const_method, const_int_cost): Take a
3966         HOST_WIDE_INT instead of an rtx.
3967         (m68k_rtx_costs): Update call accordingly.
3968         (output_move_const_into_data_reg): Likewise.  Fix formatting.
3969         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
3970         Return a bool.
3971         (output_move_simode_const): Update calls after above changes.
3972         Rework to use automatic variables and predicates like MEM_P.
3973         * config/m68k/m68k.md (pushexthisi_const): Update call to
3974         valid_mov3q_const.
3975
3976 2007-01-19  Dirk Mueller  <dmueller@suse.de>
3977
3978         * tree-ssa-alias.c (perform_var_substitution): Fix typo
3979         in dump_flags test.
3980
3981 2007-01-19  Richard Guenther  <rguenther@suse.de>
3982
3983         * builtins.c (expand_builtin_cexpi): Fall back to expanding
3984         via cexp in case sincos is not available.
3985
3986 2007-01-19  Richard Guenther  <rguenther@suse.de>
3987
3988         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
3989         * defaults.h (TARGET_HAS_SINCOS): Default to off.
3990         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
3991         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
3992         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
3993         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
3994         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
3995         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
3996
3997 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
3998
3999         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
4000         New insn patterns.
4001         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
4002         (atan2xf3): Directly generate RTL pattern.
4003         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
4004         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
4005         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4006         disable patterns for SSE math.
4007         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
4008         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
4009         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4010         disable patterns for SSE math.
4011
4012 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
4013
4014         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
4015
4016 2007-01-18  Roger Sayle  <roger@eyesopen.com>
4017
4018         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
4019         VIEW_CONVERT_EXPR to the same type as it's operand.
4020
4021 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
4022
4023         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
4024         configured for long double 128.
4025
4026 2007-01-18  Mike Stump  <mrs@apple.com>
4027
4028         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
4029         error.
4030
4031 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
4032
4033         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
4034         type correct.
4035
4036 2007-01-18  Jan Hubicka  <jh@suse.cz>
4037
4038         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
4039         greater than NUM_VOP_FREE_BUCKETS.
4040
4041 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
4042
4043         * tree-ssa-structalias.c: Update comments.
4044         (ptabitmap_obstack): Removed.
4045         (pta_obstack): New.
4046         (oldpta_obstack): Ditto.
4047         (stats): Add a few members.
4048         (struct variable_info): Remove node, complex, address_taken, and
4049         indirect_target members. Add oldsolution member.
4050         (new_var_info): Do not initialize removed members.
4051         (constraint_expr_type): Remove INCLUDES.
4052         (constraint_graph): Add size, implicit_preds, rep,
4053         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
4054         (FIRST_REF_NODE): New macro.
4055         (LAST_REF_NODE): Ditto.
4056         (FIRST_ADDR_NODE): Ditto.
4057         (find): New function.
4058         (unite): Ditto.
4059         (dump_constraint): Do not handle INCLUDES.
4060         (insert_into_complex): Do not insert duplicate constraints.
4061         (condense_varmap_nodes): Renamed and rewritten into ...
4062         (merge_node_constraints): This. Also fix bug in handling of
4063         offseted copy constraints.
4064         (clear_edges_for_node): No longer need to deal with preds at all,
4065         or removing associated preds/succs.
4066         (merge_graph_nodes): Deal with indirect_cycles.
4067         Don't deal with predecessors.
4068         (add_implicit_graph_edge): New function.
4069         (add_pred_graph_edge): Ditto.
4070         (add_graph_edge): Don't deal with predecessors.
4071         (build_constraint_graph): Removed.
4072         (build_pred_graph): New function.
4073         (build_succ_graph): Ditto.
4074         (struct scc_info): Removed in_component. Added roots, dfs, and
4075         node_mapping. Remove visited_index, unification_queue.
4076         (scc_visit): Deal with union-find we do now.
4077         Deal with cycles with REF nodes.
4078         (collapse_nodes): Renamed and rewritten to ...
4079         (unify_nodes): This.
4080         (process_unification_queue): Removed.
4081         (topo_visit): Cleanup
4082         (do_da_constraint): Use find.
4083         (do_sd_constraint): Ditto.
4084         (do_ds_constraint): Ditto.
4085         (do_complex_constraint): Ditto.
4086         (init_scc_info): Update for removed and added members.
4087         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
4088         (find_indirect_cycles): This.
4089         (equivalence_class): New variable.
4090         (label_visit): New function.
4091         (perform_variable_substitution): Rewritten.
4092         (free_var_substitution_info): New function.
4093         (find_equivalent_node): Ditto.
4094         (move_complex_constraints): Ditto.
4095         (eliminate_indirect_cycles): Ditto.
4096         (solve_graph): Only propagate changed bits.
4097         Use indirect cycle elimination.
4098         Use find.
4099         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
4100         (tree_id_eq): Renamed to ...
4101         (tree_vi_eq): This. Update for member change
4102         (insert_id_for_tree): Renamed and rewritten to ...
4103         (insert_vi_for_tree): This.
4104         (lookup_id_for_tree): Renamed and rewritten to ...
4105         (lookup_vi_for_tree): This.
4106         (get_id_for_tree): Renamed and rewritten to ...
4107         (get_vi_for_tree): Ditto.
4108         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
4109         (process_constraint): Don't handle INCLUDES.
4110         Remove special ADDRESSOF case.
4111         (find_func_aliases): Rewrite to use vi functions instead of id
4112         ones.
4113         (create_function_info_for): Ditto.
4114         (create_variable_info_for): Ditto.
4115         (intra_create_variable_infos): Ditto.
4116         (merge_smts_into): Ditto.
4117         (find_what_p_points_to): Ditto.
4118         (init_base_vars): Ditto.
4119         (init_alias_vars): Ditto.
4120         (remove_preds_and_fake_succs): New function.
4121         (dump_sa_points_to_info): Dump new stats.
4122         (dump_solution_for_var): Use find.
4123         (set_used_smts): Fix formatting.
4124         (compute_points_to_sets): Updated for new functions.
4125         (ipa_pta_execute): Ditto.
4126
4127 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4128             Richard Sandiford  <richard@codesourcery.com>
4129
4130         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
4131         parallels.
4132         * calls.c (expand_call): If the return value is a PARALLEL,
4133         extract its first member.
4134         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
4135         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4136         use FUNCTION_EXTRA_EPILOGUE.
4137         (m68k_function_value): Return a PARALLEL if the return value
4138         is of a pointer type.
4139         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
4140         (FUNCTION_EXTRA_EPILOGUE): Remove.
4141         * config/m68k/m68k.md (D0_REG): New constant.
4142
4143 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4144
4145         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4146         output a NOP for empty epilogues.
4147
4148 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4149
4150         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
4151         before function.  Extend register save check to include all
4152         registers, not just integer ones.
4153
4154 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4155
4156         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
4157         (m68k_use_return_insn): ...this.
4158         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
4159         * config/m68k/m68k.c (use_return_insn): Rename to...
4160         (m68k_use_return_insn): ...this.
4161         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
4162         of USE_RETURN_INSN.
4163
4164 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4165
4166         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
4167         nearest even, fix denormal rounding overflow.
4168
4169 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4170
4171         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
4172         f%$smove and f%$move.
4173         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
4174         (extendsfdf2_cf): Use fdmove instead of f%&move.
4175         (truncdfsf2_cf): Use fsmove instead of f%$smove.
4176         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
4177
4178 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4179
4180         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
4181         GPR<-GPR moves.
4182
4183 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4184
4185         * real.h (real_format): Add a canonical_nan_lsbs_set field.
4186         (coldfire_single_format): Declare.
4187         (coldfire_double_format): Likewise.
4188         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
4189         of qnan_msb_set to determine the lower bits of a canonical
4190         NaN significand.
4191         (encode_ieee_double): Likewise.
4192         (encode_ieee_quad): Likewise.
4193         (ieee_single_format): Initialize canonical_nan_lsbs_set.
4194         (mips_single_format): Likewise.
4195         (ieee_double_format): Likewise.
4196         (mips_double_format): Likewise.
4197         (ieee_extended_motorola_format): Likewise.
4198         (ieee_extended_intel_96_format): Likewise.
4199         (ieee_extended_intel_128_format): Likewise.
4200         (ieee_extended_intel_96_round_53_format): Likewise.
4201         (ibm_extended_format): Likewise.
4202         (mips_extended_format): Likewise.
4203         (ieee_quad_format): Likewise.
4204         (mips_quad_format): Likewise.
4205         (vax_f_format): Likewise.
4206         (vax_d_format): Likewise.
4207         (vax_g_format): Likewise.
4208         (i370_single_format): Likewise.
4209         (i370_double_format): Likewise.
4210         (decimal_single_format): Likewise.
4211         (decimal_double_format): Likewise.
4212         (decimal_quad_format): Likewise.
4213         (c4x_single_format): Likewise.
4214         (c4x_extended_format): Likewise.
4215         (real_internal_format): Likewise.
4216         (coldfire_single_format): New real_format.
4217         (coldfire_double_format): Likewise.
4218         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
4219         canonical_nan_lsbs_set.
4220         (pdp11_d_format): Likewise.
4221         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
4222         if TARGET_COLDFIRE_CPU.
4223
4224 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4225
4226         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
4227         (output_call, m68k_legitimize_call_address): Declare.
4228         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
4229         parenthesees.  Add support for a 'W' constraint.
4230         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
4231         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
4232         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
4233         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
4234         variables.
4235         (override_options): Initialize them.  Do not set flag_no_function_cse
4236         for TARGET_ID_SHARED_LIBRARY.
4237         (m68k_output_pic_call): Delete.
4238         (m68k_legitimize_call_address): New function.
4239         (print_operand): Remove the %o prefix.  Handle the %p prefix.
4240         (output_call): New function.
4241         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
4242         target address from the GOT if symbolic jumps are not allowed.
4243         * config/m68k/m68k.md (call, general_operand): Do not set
4244         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
4245         Merge separate flag_pic and !flag_pic define_insns into...
4246         (*call, *call_value): ...these new patterns.  Match the address
4247         rather than the containing MEM and require it to be a call_operand.
4248         Use output_call to generate the asm template.
4249         * config/m68k/predicates.md (const_call_operand): New predicate.
4250         (call_operand): Likewise.
4251
4252 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4253
4254         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
4255         (STACK_GROWS_DOWNWARD): Define to 1.
4256         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
4257         comments, emphasizing that these values are only defaults.
4258         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
4259         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
4260
4261 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4262
4263         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
4264
4265 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4266             Richard Sandiford  <richard@codesourcery.com>
4267
4268         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
4269         (FP_REGNO_P): New macros.
4270         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
4271         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
4272         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
4273         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
4274
4275 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4276
4277         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4278         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
4279         to $tmake_file.
4280         * config/m68k/t-floatlib: New file, extracting common code from...
4281         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
4282         * config/m68k/t-uclinux: Here.
4283         * config/m68k/fpgnulib.c: Do not compile extendeed precision
4284         routines on ColdFire targets.
4285
4286 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4287
4288         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4289         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
4290         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
4291         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
4292         explicitly set MOTOROLA to 1.
4293         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
4294
4295 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4296             Nathan Sidwell  <nathan@codesourcery.com>
4297
4298         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
4299         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
4300         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
4301         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
4302         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
4303         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
4304         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
4305         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
4306         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
4307         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4308         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
4309         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
4310         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
4311         (DBX_REGISTER_NUMBER): Delete.
4312         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
4313         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4314         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
4315
4316 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4317
4318         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
4319         * config/flat.h: New file.
4320         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
4321         OBJECT_FORMAT_FLAT.
4322         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
4323         indirect references for -msep-data or -mid-shared-library.
4324         Do not use PC-relative code addresses either.
4325         * config/m68k/m68k.c (override_options): Restrict -fPIC error
4326         to -mpcrel.
4327         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
4328         for shared libraries and crt1.o for executables.  Use crti.o and
4329         crtbegin.o.
4330         (ENDFILE_SPEC): Use crtend.o and crtn.o.
4331         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
4332         Do not add -elf2flt or -shared-lib-id options here.
4333         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
4334         Pass -shared-lib-id if -mid-shared-library, taking the library
4335         identifier from -mshared-library-id if given, otherwise
4336         defaulting to 0.
4337         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
4338         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
4339         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
4340         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
4341         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
4342         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
4343         and crtend.o.
4344         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
4345         jump sequence for ISA A and ISA A+.
4346         (PICJUMP): Likewise.
4347
4348 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4349
4350         * config.gcc (m68k-*-uclinux*): Base the port on the common
4351         and m68k GNU/Linux files rather than on the generic ELF ones.
4352         * config/m68k/uclinux.h (TARGET_VERSION): Override.
4353         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
4354
4355 2007-01-18  Julian Brown  <julian@codesourcery.com>
4356             Richard Sandiford  <richard@codesourcery.com>
4357
4358         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
4359         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4360         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
4361         before redefining.
4362         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
4363         80 unconditionally.
4364         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4365
4366 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4367
4368         * doc/install.texi: Document m68k-uclinuxoldabi.
4369         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
4370         * config/m68k/uclinux-oldabi.h: New file, copied from
4371         config/m68k/uclinux.h.
4372
4373 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
4374
4375         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
4376         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
4377         (m32r_compute_frame_size): Use unsigned for regno.
4378         (m32r_reload_lr): Use gen_frame_mem.
4379         (pop): New.
4380         (m32r_output_function_epilogue): Don't output the function epilogue
4381         textually here.
4382         (m32r_expand_epilogue): New.
4383         (direct_return): Return false if the function has the interrupt
4384         attribute.
4385         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
4386         * config/m32r/m32r.md (epilogue): New expander.
4387         (return_lr, return_rte): New insns.
4388         (return): Make it expander.
4389         (return_normal): New expander.
4390
4391 2007-01-18  Josh Conner  <jconner@apple.com>
4392
4393         PR target/30485
4394         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
4395         support for UNLE, UNLT, UNGE, and UNGT.
4396
4397 2007-01-18  Jan Hubicka  <jh@suse.cz>
4398
4399         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
4400         * tree-tailcall (add_virtual_phis): Likewise.
4401         (optimize_tail_call): Return TODOs.
4402         (execute_tail_calls): Return TODOs.
4403         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
4404         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
4405         changed.
4406         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
4407         Cleanup cfg using TODO.
4408         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
4409         * passes.c (execute_function_todo): When cleanup did something, remove
4410         unused locals.
4411         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
4412         (make_edges): Don't cleanup_cfg.
4413
4414 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
4415
4416         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
4417         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
4418         operate on the top of stack.
4419         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
4420         register handling of instructions that output to the second
4421         stack slot.
4422         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
4423         (move_for_stack_reg): Special-case check for dead destination
4424         stack slot for constant load of 1.0 inside UNSPEC_TAN.
4425
4426         * config/i386/i386.md (UNSPEC_TAN): New constant.
4427         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
4428         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
4429         to correctly model move of constant 1.0 to top stack slot.
4430         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
4431         (unnamed peephole2 pattern): Remove corresponding peephole2
4432         pattern that optimizes tan insn and loading of constant 1.0.
4433         (tanxf2): Use fptanxf4_i387.
4434         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
4435         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
4436         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4437         disable patterns for SSE math.
4438         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
4439         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
4440
4441 2007-01-18  Dirk Mueller  <dmueller@suse.de>
4442             Richard Guenther <rguenther@suse.de>
4443
4444         PR diagnostic/8268
4445         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
4446         * common.opt (Warray-bounds): Add new warning option.
4447         * c-opts.c (c_common_handle_option): Define -Warray-bounds
4448         if -Wall is given.
4449         * Makefile.in: make tree-vrp.o depend on toplev.h
4450         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
4451         is enabled.
4452         (check_array_refs, check_array_bounds, check_array_ref): New.
4453
4454 2007-01-18  Jan Hubicka  <jh@suse.cz>
4455
4456         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
4457         (execute_ssa_ccp): Return flags conditionally.
4458         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
4459         changed.
4460         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
4461
4462 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
4463
4464         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
4465         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
4466
4467         * Makefile.c (GTFILES): Add cfglayout.h.
4468         * gengtype.c (open_base_files): Likewise.
4469         * cfglayout.c (cfg_layout_function_footer,
4470         cfg_layout_function_header) Reindent to make gengtype happy.
4471         * cfglayout.h (cfg_layout_function_footer,
4472         cfg_layout_function_header): Add GTY(()) marker.
4473
4474         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
4475
4476 2007-01-18  Ben Elliston  <bje@au.ibm.com>
4477
4478         * genautomata.c (write_automata): Include xstrerror output in the
4479         error message if writing the DFA description file fails.
4480
4481 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
4482
4483         * config/mips/mips-protos.h (mips_output_external): Make it
4484         return void.
4485         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
4486         * config/mips/mips.c (irix_output_external_libcall): Likewise.
4487         (extern_list): Likewise.
4488         (extern_head): Likewise.
4489         (TARGET_ASM_FILE_END): Likewise.
4490         (mips_file_end): Likewise.
4491         (mips_output_external): Rewritten.
4492
4493 2007-01-18  Ben Elliston  <bje@au.ibm.com>
4494
4495         * genpreds.c (write_insn_preds_c): Only write out the function
4496         body for regclass_for_constraint if we have register constraints.
4497
4498 2007-01-17  Tom Tromey  <tromey@redhat.com>
4499
4500         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
4501         * doc/install.texi (Testing): Use sourceware.org.
4502         (Binaries): Likewise.
4503         (Specific): Likewise.
4504         * doc/contrib.texi (Contributors): Use sourceware.org.
4505
4506 2007-01-17  Anatoly Sokolov <aesok@post.ru>
4507
4508         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
4509         (AVR_ENHANCED): Rename to ...
4510         (AVR_HAVE_MUL): ... new.
4511         (avr_enhanced_p): Rename to ...
4512         (avr_have_mul_p): ... new.
4513         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
4514         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
4515         * config/avr/avr.c (avr_enhanced_p): Rename to ...
4516         (avr_have_mul_p): ... new.
4517         (base_arch_s): Rename 'enhanced' to 'have_mul'.
4518         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
4519         'avr_enhanced_p' and 'enhanced'.
4520         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
4521         AVR_HAVE_MUL instead of AVR_ENHANCED.
4522         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
4523         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
4524         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
4525         instead of AVR_ENHANCED.
4526         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
4527         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
4528         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
4529
4530 2007-01-17  Ian Lance Taylor  <iant@google.com>
4531
4532         * vec.h (VEC_reserve_exact): Define.
4533         (vec_gc_p_reserve_exact): Declare.
4534         (vec_gc_o_reserve_exact): Declare.
4535         (vec_heap_p_reserve_exact): Declare.
4536         (vec_heap_o_reserve_exact): Declare.
4537         (VEC_OP (T,A,reserve_exact)): New static inline function, three
4538         versions.
4539         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
4540         negative parameter.
4541         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
4542         (VEC_OP (T,A,copy)) [all versions]: Likewise.
4543         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
4544         * vec.c (calculate_allocation): Add exact parameter.  Change all
4545         callers.
4546         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
4547         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
4548         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
4549         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
4550         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
4551         (vec_heap_p_reserve_exact): New function.
4552         (vec_heap_o_reserve_exact): New function.
4553
4554 2007-01-17  Jan Hubicka  <jh@suse.cz>
4555
4556         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
4557
4558 2007-01-17  Eric Christopher  <echristo@apple.com>
4559
4560         * config.gcc: Support core2 processor.
4561
4562 2007-01-16  Jan Hubicka  <jh@suse.cz>
4563
4564         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
4565         the names, just unlink the chain so we don't crash on dangling pointers
4566         to dead SSA names.
4567
4568 2007-01-16  Jan Hubicka  <jh@suse.cz>
4569
4570         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
4571         * tree-pass.h: Reorder to make IPA passes appear toegher.
4572         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
4573         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
4574         parameters, do not call early inliner.
4575         * ipa-inline.c: Update comments.  Include tree-flow.h
4576         (cgraph_decide_inlining): Do not compute inlining parameters.
4577         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
4578         be called with function context set up.
4579         (pass_ipa_inline): Remove unreachable functions before pass.
4580         (cgraph_early_inlining): Simplify assuming to be called from the
4581         PM as local pass.
4582         (pass_early_inline): New pass.
4583         (cgraph_gate_ipa_early_inlining): New gate.
4584         (pass_ipa_early_inline): Turn into simple wrapper.
4585         (compute_inline_parameters): New function.
4586         (gate_inline_passes): New gate.
4587         (pass_inline_parameters): New pass.
4588         (apply_inline): Move here from tree-optimize.c
4589         (pass_apply_inline): New pass.
4590         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
4591         transforming.
4592         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
4593         doing them by hand.
4594         (tree_function_versioning): Do not allocate dummy struct function.
4595         * tree-inline.h (optimize_inline_calls): Update prototype.
4596         * tree-optimize.c (execute_fixup_cfg): Export.
4597         (pass_fixup_cfg): Remove
4598         (tree_rest_of_compilation): Do not apply inlines.
4599         * tree-flow.h (execute_fixup_cfg): Declare.
4600         * Makefile.in (gt-passes.c): New.
4601         * passes.c: Include gt-passes.h
4602         (init_optimization_passes): New passes.
4603         (nnodes, order): New static vars.
4604         (do_per_function_toporder): New function.
4605         (execute_one_pass): Dump current pass here.
4606         (execute_ipa_pass_list): Don't dump current pass here.
4607
4608 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
4609
4610         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
4611         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
4612
4613 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
4614
4615         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
4616         (strong_alias): Define.
4617         (__gcc_qmul): Provide non-FMA for soft-float.
4618         (__gcc_qdiv): Same.
4619         (__gcc_qneg): New.
4620         (__gcc_qeq): New.
4621         (__gcc_qle): New.
4622         (__gcc_qge): New.
4623         (__gcc_qunord): New.
4624         (__gcc_stoq): New.
4625         (__gcc_dtoq): New.
4626         (__gcc_qtos): New.
4627         (__gcc_qtod): New.
4628         (__gcc_qtoi): New.
4629         (__gcc_qtou): New.
4630         (__gcc_itoq): New.
4631         (__gcc_utoq): New.
4632         (fmsub): New.
4633         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
4634         soft-float functions.
4635         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
4636         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
4637         about long double soft float.
4638
4639 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
4640             Tehila Meyzels  <tehila@il.ibm.com>
4641
4642         * tree-vectorizer.h (is_pattern_stmt_p): New.
4643         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
4644         formatting (tabs instead of spaces). Cleanup and clarify setting
4645         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
4646         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
4647         (vectorizable_type_demotion): Check that types are integral.
4648         (vectorizable_type_promotion): Likewise.
4649         (vectorizable_store): Fix typo.  Eliminate new-line at end of
4650         comments.
4651
4652 2007-01-16  Jan Hubicka  <jh@suse.cz>
4653
4654         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
4655         cgraph edges too.
4656
4657 2007-01-15  Eric Christopher  <echristo@apple.com>
4658
4659         * ifcvt.c: Include vec.h, vecprim.h.
4660         (check_cond_move_block): New argument regs.
4661         Reorganize. Add registers used to regs.
4662         (cond_move_process_if_block): Use regs set above as
4663         loop bounds.
4664
4665 2007-01-15  Eric Christopher  <echristo@apple.com>
4666
4667         * config/darwin.h: Update copyright.
4668         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
4669         (LINK_COMMAND_SPEC): Add -u.
4670         (LINK_SPEC): Fix umbrella for above.
4671
4672 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
4673
4674         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
4675         glibc CVS.
4676
4677 2007-01-15  Tom Tromey  <tromey@redhat.com>
4678
4679         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
4680         * doc/install.texi (Testing): Don't mention jacks.
4681         (Configuration): Document --enable-java-maintainer-mode.  Move
4682         --with-java-home to libgcj-specific section.  Document
4683         --with-ecj-jar.
4684         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
4685
4686 2007-01-15  Jan Hubicka  <jh@suse.cz>
4687
4688         * tree-ssa-dce.c (DCE_TODOs): New.
4689         (propagate_necessity): Return if something changed.
4690         (eliminate_unnecessary_stmts): Likewise.
4691         (perform_tree_ssa_dce): Return TODO flags when needed.
4692         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
4693
4694 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
4695
4696         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
4697         (fyl2x_extend<mode>xf3_i387): New insn pattern.
4698         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
4699         patterns using X87MODEF12 mode macro.  Extend operand 1
4700         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
4701         (log10<mode>2): Ditto.
4702         (log2<mode>2): Ditto.
4703         (log1p<mode>2): Ditto.
4704         (logb<mode>2): Ditto.
4705         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
4706         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
4707         (*fxtractxf3_i387): Rename from *fxtractxf3.
4708         (fxtract_extend<mode>xf3_i387): New insn pattern.
4709         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
4710         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
4711         and gen_fyl2xxf3_i387().
4712
4713 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
4714
4715         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
4716         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
4717         get_loop_exit_edges.  Changed return type to bool.
4718         * cfgloop.h (fix_loop_placement): Declaration removed.
4719
4720 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
4721
4722         * param.h (MIN_VECT_LOOP_BOUND): New.
4723         * params.def (MIN_VECT_LOOP_BOUND): New.
4724         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
4725         argument - minimum threshold for number of iterations.
4726         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
4727         argument to declaration.
4728         * tree-vect-analyze.c (vect_analyze_operations): Check value of
4729         MIN_VECT_LOOP_BOUND.
4730         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
4731         slpeel_tree_peel_loop_to_edge with additional argument.
4732         (vect_do_peeling_for_alignment): Likewise.
4733         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
4734
4735 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
4736
4737         PR target/30413
4738         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
4739         operands of size 1.
4740
4741 2007-01-14  Jan Hubicka  <jh@suse.cz>
4742
4743         * tree-dfa.c (remove_referenced_var): New function.
4744         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
4745         prune referenced vars list too.
4746         * tree-flow.h (remove_referenced_var): Declare.
4747
4748 2007-01-14  Jan Hubicka  <jh@suse.cz>
4749
4750         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
4751         separately.
4752         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
4753         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
4754         * except.h (verify_eh_throw_table_statements): Kill prototype.
4755         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
4756         into call exrepssions.
4757         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
4758         eh trhow verifier.
4759         * tree-cfg.c: Include pointer-set.h.
4760         (verify_node_sharing): Work on pointer set.
4761         (verify_eh_throw_stmt_node): New.
4762         (verify_stmts): Use pointers sets, verify throw_stmt.
4763
4764 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
4765
4766         * ipa-reference.c (analyze_function): Consider also addresses taken
4767         in phi nodes.
4768
4769 2007-01-12  Roger Sayle  <roger@eyesopen.com>
4770
4771         * c-typeck.c (null_pointer_constant_p): Replace use of
4772         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
4773         (build_c_cast): Likewise.
4774
4775 2007-01-12  Roger Sayle  <roger@eyesopen.com>
4776
4777         * tree.h (force_fit_type_double): Remove unused final argument.
4778         * c-common.c (constant_expression_warning): Replace use of
4779         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
4780         (convert_and_check): Likewise.
4781         (shorten_compare): Update call to force_fit_type_double.
4782         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
4783         * convert.c (convert_to_pointer): Update call to
4784         force_fit_type_double.
4785         * fold-const.c (force_fit_type_double): Remove overflowed_const
4786         argument.
4787         (int_const_binop, fold_convert_const_int_from_int,
4788         fold_convert_const_int_from_real, fold_div_compare,
4789         fold_sign_changed_comparison, fold_unary, fold_negate_const,
4790         fold_abs_const, fold_not_const): Remove the final argument from
4791         calls to force_fit_type_double.
4792
4793 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4794
4795         * configure.ac: Set insn to "nop" for spu-*-* also.
4796         * configure: Regenerate.
4797
4798 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
4799
4800         * builtins.def : Add BUILT_IN_FREE.
4801
4802 2007-01-12  Jan Hubicka  <jh@suse.cz>
4803
4804         PR tree-optimization/30443
4805         * tree-inline.c (tree_function_versioning): Do not optimize when
4806         cloning for inlining.
4807
4808 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
4809
4810         * doc/loop.texi: Document recording of loop exits.
4811         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
4812         (update_single_exits_after_duplication,
4813         update_single_exit_for_duplicated_loop,
4814         update_single_exit_for_duplicated_loops): Removed.
4815         (duplicate_loop_to_header_edge): Do not call
4816         update_single_exits_after_duplication and
4817         update_single_exit_for_duplicated_loops.
4818         (loop_version): Do not update single_exit information.
4819         (fix_loop_structure): Use record_loop_exits instead of
4820         mark_single_exit_loops.
4821         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
4822         the lists of loop exits.
4823         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
4824         split_edge, merge_blocks): Update the lists of loop exits.
4825         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
4826         loop_optimizer_init.
4827         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
4828         of mark_single_exit_loops.
4829         (loop_optimizer_finalize): Call release_recorded_exits.
4830         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
4831         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
4832         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
4833         update single exit information.
4834         * lambda-code.c (perfect_nestify): Ditto.
4835         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
4836         (mark_single_exit_loops): Removed.
4837         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
4838         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
4839         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
4840         functions.
4841         (get_loop_exit_edges, single_exit): Use recorded exit lists.
4842         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
4843         (verify_loop_structure): Verify consistency of the exit lists.
4844         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
4845         (set_single_exit): Removed.
4846         * cfgloop.h (struct loop_exit): New function.
4847         (struct loop): single_exit_ field replaced by exits field.
4848         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
4849         (struct loops): Added exits hash.
4850         (mark_single_exit_loops, set_single_exit): Declaration removed.
4851         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
4852
4853 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
4854
4855         * doc/invoke.texi: Avoid use of @headitem.
4856
4857 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
4858
4859         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
4860
4861 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
4862
4863         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
4864         list of targets.
4865
4866 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
4867             Richard Sandiford  <richard@codesourcery.com>
4868
4869         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
4870         * config/m68k/m68k.opt: Resort options.
4871         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
4872
4873 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
4874             Richard Sandiford  <richard@codesourcery.com>
4875
4876         * doc/invoke.texi: Document the macros that are defined by
4877         m68k's -mtune and -mhard-float options.
4878         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
4879         (m68k_cpp_cpu_family): Likewise.
4880         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
4881         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
4882         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
4883         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
4884         (m68k_cpp_cpu_family): Likewise.
4885
4886 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
4887
4888         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
4889         macros besides mc68000 as tuning macros.  Use a switch statement
4890         to set them and mcpu32.
4891
4892 2007-01-12  Julian Brown  <julian@codesourcery.com>
4893
4894         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
4895         (TARGET_68040_ONLY): Rename to...
4896         (TARGET_68040): ...this.
4897         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
4898         * config/m68k/m68k.md: Likewise.
4899
4900 2007-01-12  Julian Brown  <julian@codesourcery.com>
4901             Nathan Sidwell  <nathan@codesourcery.com>
4902             Richard Sandiford  <richard@codesourcery.com>
4903
4904         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
4905         the -mcpu= argument associated with the --with-cpu setting.
4906         Define M68K_DEFAULT_TUNE to the default -mtune= option,
4907         if different from the one implied by the -mcpu setting.
4908         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
4909         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
4910         * doc/invoke.texi: Mention ColdFire in the introduction to the
4911         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
4912         -mno-div and -mhard-float options.  Make -m68881 a synonym for
4913         -mhard-float.  Document the previously-undocumented -m5206e,
4914         -m528x, -m5307 and -m5407 options.  Tweak the existing option
4915         documentation for consistency.
4916         * doc/install.texi: Mention new --with-cpu arguments.
4917         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
4918         default CPU if neither -mcpu nor -march are specified.
4919         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
4920         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
4921         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
4922         using m68k_tune to decide between families that implement the
4923         same ISA.  Use m68k_tune to set __mcfv4e__.
4924         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
4925         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
4926         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
4927         (FL_ISA_C, FL_ISA_MMU): New macros.
4928         (MASK_COLDFIRE): Delete.
4929         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
4930         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
4931         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
4932         (TARGET_HARD_FLOAT): Do not define here.
4933         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
4934         (TUNE_68000): New macro.
4935         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
4936         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
4937         (TUNE_CFV2): Redefine in terms of m68k_tune.
4938         (uarch_type, target_device, fpu_type): New enums.
4939         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
4940         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
4941         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
4942         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
4943         (FL_FOR_isa_c): New macros.
4944         (m68k_isa): New enum.
4945         (m68k_target_selection): New structure.
4946         (all_devices, all_isas, all_microarchs): New tables.
4947         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
4948         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
4949         (MASK_ALL_CPU_BITS): Delete.
4950         (m68k_find_selection): New function.
4951         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
4952         Map the legacy target options to a combination of the new ones.
4953         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
4954         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
4955         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
4956         settings.
4957         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
4958         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
4959         properties.
4960         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
4961         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
4962         * config/m68k/m68k-devices.def: New file.
4963
4964 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
4965             Nathan Sidwell  <nathan@codesourcery.com>
4966
4967         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
4968         (SUBTARGET_EXTRA_SPECS): New macros.
4969         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
4970         use %(asm_cpu_spec) instead.
4971         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
4972         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
4973         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
4974         (EXTRA_SPECS): Rename to...
4975         (SUBTARGET_EXTRA_SPECS): ...this.
4976
4977 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
4978             Richard Sandiford  <richard@codesourcery.com>
4979             Julian Brown  <julian@codesourcery.com>
4980
4981         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4982         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
4983         to the configuration's default CPU.
4984         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
4985         Remove default masks.
4986         (m680[012]0-*-*): Set the default with_cpu to the first part of
4987         the target name.
4988         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
4989         (m68k*-*-linux): Extend the --with-cpu handling to...
4990         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
4991         and m68010.  Don't set target_cpu_default2.
4992         * doc/install.texi: Document --with-cpu for m68k.
4993         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
4994         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
4995         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
4996         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
4997         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
4998         (ASM_SPEC): Remove use of %(asm_cpu_default).
4999         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
5000         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
5001         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
5002         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
5003         __HAVE_FPU__ if TARGET_HARD_FLOAT.
5004         (TARGET_DEFAULT): Delete.
5005         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
5006         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
5007         (CPP_CPU_SPEC): Delete.
5008         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
5009         the appropriate string.
5010         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
5011         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
5012         (ASM_SPEC): Don't use %(asm_default_spec).
5013         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5014         TARGET_DEFAULT and add MASK_68881.
5015         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
5016
5017 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5018
5019         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
5020         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
5021         MASK_68010 alongside MASK_68020.
5022         * doc/invoke.texi: Document -m68010.
5023         * config/m68k/m68k.opt (m68010): New.
5024         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
5025         if TUNE_68010.
5026         (TUNE_68010): New macro.
5027         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
5028         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
5029         (M68K_CPU_m68332): Add MASK_68010.
5030         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
5031         fallback definition.
5032         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
5033         defines.
5034         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
5035         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
5036         to all entries that use MASK_68020.
5037         (output_move_simode_const, output_move_himode, output_move_qimode)
5038         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
5039         instead of TARGET_68020 to select clr behavior.  Remove comment
5040         about there being no TARGET_68010.
5041         * config/m68k/m68k.md: Likewise throughout.
5042
5043 2007-01-12  Julian Brown  <julian@codesourcery.com>
5044
5045         * config/m68k/m68k.h (TARGET_ISAB): New macro.
5046         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
5047         * config/m68k/m68k.md: Likewise.
5048
5049 2007-01-12  Julian Brown  <julian@codesourcery.com>
5050
5051         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
5052         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
5053
5054 2007-01-12  Julian Brown  <julian@codesourcery.com>
5055
5056         * config/m68k/m68k.h (TUNE_68040_60): New macro.
5057         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
5058         * config/m68k/m68k.md: Likewise.
5059
5060 2007-01-12  Julian Brown  <julian@codesourcery.com>
5061             Richard Sandiford  <richard@codesourcery.com>
5062
5063         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
5064         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
5065         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
5066         TARGET_CPU32.
5067         (TARGET_CPU32): Rename to...
5068         (TUNE_CPU32): ...this.
5069         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
5070         (TUNE_CFV2): New macros.
5071         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
5072         remove conditions that are implied by TARGET_68020.
5073         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
5074         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
5075         (m68k_output_function_epilogue): Likewise.
5076         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
5077         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
5078         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
5079         non-68000 timings.  Refactor multiplication and division costs.
5080         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
5081         TUNE_CPU32 instead of TARGET_CPU32.
5082         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
5083         and TUNE_68060 instead of TARGET_68060.
5084         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
5085         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
5086         TARGET_CPU32.
5087         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
5088         && !TARGET_COLDFIRE" to choose between moveq and clr.
5089         Likewise in the unnamed movsf pattern.
5090         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
5091         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
5092         ashiftrt pattern.
5093
5094 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5095
5096         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
5097         of tabbing before backslashes.
5098
5099 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5100
5101         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
5102         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
5103         (ASM_OUTPUT_INTERNAL_LABEL): Define.
5104
5105 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
5106
5107         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
5108         find_interesting_uses_cond.
5109         (find_interesting_uses_cond): Use extract_cond_operands.
5110         (rewrite_use_compare): Use extract_cond_operands and
5111         force_gimple_operand_bsi.  Do not call update_stmt.
5112         (determine_use_iv_cost_condition): Use extract_cond_operands.
5113         Return cheaper of using original bound and changing the exit bound.
5114
5115 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
5116
5117         PR tree-optimization/29516
5118         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
5119         most_expensive_mult_to_index, addr_to_parts,
5120         create_mem_ref, maybe_fold_tmr): Make the type of
5121         fields of TARGET_MEM_REF sizetype.
5122         (move_fixed_address_to_symbol, move_pointer_to_base):
5123         New functions.
5124         * tree.def (TARGET_MEM_REF): Add comment on types of
5125         the operands.
5126
5127 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
5128
5129         * c-common.c (vector_types_convertible_p): Treat opaque types as
5130         always convertible if they have the same size, but not otherwise.
5131
5132 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
5133
5134         * ifcvt.c (struct noce_if_info): Add comments to the fields.
5135         Remove the b_unconditional field.
5136         (noce_try_sign_mask): Do not look at b_unconditional.
5137         (noce_process_if_block): Do not use merge_if_blocks.  Update
5138         the CFG here.  Do not set b_unconditional.
5139         (cond_move_process_if_block): Likewise.
5140         (find_cond_trap): Likewise.
5141         (check_cond_move_block): Require simple jump insns at the end
5142         of the basic block.
5143
5144 2007-01-11  Jan Hubicka  <jh@suse.cz>
5145
5146         PR tree-optimization/1046
5147         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
5148         when alias info is not ready.
5149         (pass_tail_recursion): Do not require aliasing.
5150         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
5151         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
5152         * tree-ssa-copy.c (pass_copy_prop): Likewise.
5153         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
5154         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
5155         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
5156         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
5157         before inlining.
5158         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
5159         When aliasing is not build, mark statement as volatile.
5160
5161 2007-01-11  Tom Tromey  <tromey@redhat.com>
5162
5163         PR preprocessor/15185, PR preprocessor/20989:
5164         * doc/cppopts.texi <-MT>: Update description of algorithm for
5165         computing default target.
5166         <-M, -MD>: Reword "basename" text.
5167
5168 2007-01-11  Roger Sayle  <roger@eyesopen.com>
5169
5170         * builtins.c (expand_builtin_pow, expand_builtin_powi,
5171         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
5172         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
5173         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
5174         fold_builtin_bswap, real_constp, fold_builtin_pow,
5175         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
5176         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
5177         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5178         * convert.c (convert_to_pointer): Likewise.
5179         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
5180         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
5181         const_binop, fold_convert_const_int_from_int,
5182         fold_convert_const_int_from_real,
5183         fold_convert_const_real_from_real, sign_bit_p,
5184         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
5185         fold_sign_changed_comparison, fold_unary, fold_comparison,
5186         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
5187         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
5188         * print-tree.c (print_node_brief, print_node): Likewise.
5189         * stor-layout.c (place_field, layout_type): Likewise.
5190         * tree-chrec.c (keep_cast): Likewise.
5191         * tree.c (build_vector, build_real, build_real_from_int_cst,
5192         build_complex): Likewise.
5193
5194 2007-01-11  Roger Sayle  <roger@eyesopen.com>
5195
5196         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
5197         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
5198
5199 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
5200
5201         * configure.ac (strict1_warn): Rename to strict_warn.
5202         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
5203         cc_set_by_configure, quoted_cc_set_by_configure,
5204         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
5205         all_boot_languages, all_stagestuff): Remove.
5206         (target_list): Remove bootstrap targets.
5207         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
5208         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
5209         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
5210         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
5211         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
5212         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
5213         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
5214         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
5215         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
5216         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
5217         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
5218         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
5219         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
5220         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
5221         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
5222         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
5223         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
5224         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
5225         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
5226         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
5227         (mostlyclean): Adjust.
5228         (clean, distclean): Don't mention bootstrap stuff.
5229         * configure: Regenerate.
5230         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
5231         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
5232         treelang/config-lang.in (stagestuff): Remove.
5233         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
5234         stageprofile, stagefeedback, stagestuff): Remove mention.
5235
5236 2007-01-11  Nick Clifton  <nickc@redhat.com>
5237
5238         * config/mcore/predicates.md (mcore_general_movesrc_operand):
5239         Accept CONSTs.
5240         (mcore_general_movdst_operand): Do not accept CONST_INTs.
5241         (mcore_arith_K_S_operand): Run the test for the S constraint not
5242         the test for the M constraint.
5243         (mcore_addsub_operand): Do not accept integer values that are
5244         larger than 32 bits.
5245         * config/mcore/mcore.md: Remove unused constraints from split.
5246         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
5247         (addsi3): Likewise.
5248         (allocate_stack): Likewise.
5249         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
5250         operands to 32 bits.
5251         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
5252         INTVAL.
5253         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
5254         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
5255         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
5256         mcore_output_bclri, mcore_output_andn, output_inline_const,
5257         mcore_output_move, mcore_output_movedouble): Likewise.
5258         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
5259         (output_inline_const): Likewise.
5260         (output_inline_const): Fix format strings used in sprintf
5261         statements.
5262         * config/mcore/mcore-protos.h: Update prototypes for changed
5263         functions in mcore.c.
5264         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
5265         HOST_WIDE_INT and not int.
5266         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
5267         CONST_OK_FOR_N): Likewise.
5268         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
5269         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
5270         an INTVAL.
5271
5272 2007-01-10  Jan Hubicka  <jh@suse.cz>
5273
5274         * tree-vrp.c (remove_range_assertions): Release defs.
5275         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
5276         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
5277
5278 2007-01-10  Paul Brook  <paul@codesourcery.com>
5279
5280         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
5281         * config/arm/arm.md (mulsi3subsi): New insn.
5282
5283 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
5284
5285         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
5286         (tree_transform_and_unroll_loop): New.
5287         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
5288         Declare.
5289
5290 2007-01-10  Robert Kennedy <jimbob@google.com>
5291
5292         * fold-const.c (fold_comparison): Fold comparisons like (x *
5293         1000 < 0) to (x < 0).
5294
5295 2007-01-10  Ian Lance Taylor  <iant@google.com>
5296
5297         * tree-pretty-print.c (dump_generic_node): Print parentheses when
5298         operands have the same priority.
5299
5300 2007-01-10  Tom Tromey  <tromey@redhat.com>
5301
5302         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
5303         (fold_binary): Likewise.
5304         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
5305         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
5306         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
5307         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
5308         * langhooks.h (struct lang_hooks): Removed field
5309         'can_use_bit_fields_p'.
5310
5311 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
5312
5313         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
5314
5315 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
5316
5317         * function.c (get_last_funcdef_no): New function.
5318         * function.h (get_last_funcdef_no): Declare.
5319         * tree-inline.c (initialize_cfun): Add initialization.
5320         (tree_function_versioning): Cleanup.
5321
5322 2007-01-10  Jan Hubicka  <jh@suse.cz>
5323
5324         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
5325         PHIs.
5326
5327 2007-01-10  Sa Liu  <saliu@de.ibm.com>
5328             Ben Elliston  <bje@au.ibm.com>
5329
5330         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
5331         for SAVE_NONLOCAL and Pmode for any other save level.
5332         * spu-protos.h (spu_restore_stack_block): Declare.
5333         * spu.md (save_stack_block): Remove.
5334         (restore_stack_block): Call spu_restore_stack_block.
5335         * spu.c (spu_restore_stack_block): New function.
5336         (spu_expand_epilogue): Remove old comment.
5337
5338 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
5339
5340         PR tree-optimization/30322
5341         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
5342         (cand_value_at): Return the value as aff_tree.
5343         (may_eliminate_iv): Convert the bound from aff_tree to tree.
5344         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
5345         aff_combination_mult): New functions.
5346         (aff_combination_add): Use aff_combination_add_cst.
5347         (aff_combination_convert): Allow conversions to a wider type.
5348         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
5349         * tree-affine.h (aff_combination_mult): Declare.
5350
5351 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
5352
5353         * doc/tm.texi: Update documentation to reflect reality of exec
5354         and start file search behaviours. Update copyright year.
5355         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
5356         header file directories.
5357
5358 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
5359
5360         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
5361         (*cosxf2): Rename to cosxf2_i387.
5362         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
5363         using X87MODEF12 mode macro. Rename patterns to
5364         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
5365         for SSE math.
5366         (*cosdf2, *cossf2): Ditto.
5367         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
5368         to match extended input operands.
5369         (sincos<mode>3): New expander.
5370         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
5371         insn patterns and corresponding splitters.
5372
5373 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
5374
5375         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
5376         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
5377
5378 2007-01-09  Nicolas Pitre  <nico@cam.org>
5379
5380         PR target/30173
5381         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
5382
5383 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
5384
5385         * target.h (struct gcc_target): New field library_rtti_comdat.
5386         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
5387         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
5388         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
5389         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
5390
5391 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
5392
5393         * doc/invoke.texi (Optimize Options): Correct description of -O0.
5394
5395 2007-01-08  Richard Guenther  <rguenther@suse.de>
5396
5397         * tree.h (force_fit_type_double): Export.
5398         (force_fit_type): Remove.
5399         * fold-const.c (force_fit_type_double): New function.
5400         (force_fit_type): Remove.
5401         (int_const_binop): Use it.
5402         (fold_convert_const_int_from_int): Likewise.
5403         (fold_convert_const_int_from_real): Likewise.
5404         (fold_div_compare): Likewise.
5405         (fold_sign_changed_comparison): Likewise.
5406         (fold_unary): Likewise.
5407         (fold_negate_const): Likewise.
5408         (fold_abs_const): Likewise.
5409         (fold_not_const): Likewise.
5410         * c-common.c (shorten_compare): Use force_fit_type_double.
5411         * convert.c (convert_to_pointer): Likewise.
5412
5413 2007-01-08  Richard Guenther  <rguenther@suse.de>
5414
5415         * tree.h (build_int_cst_wide_type): Export.
5416         * tree.c (build_int_cst_wide_type): New function.
5417         (build_int_cst_wide): Fix comment.
5418         * builtins.c (fold_builtin_object_size): Use build_int_cst
5419         to build -1 or 0 of the correct type.  Use fit_double_type
5420         to check for overflow.
5421         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
5422         to build the mask.
5423         (decode_field_reference): Likewise.
5424         (all_ones_mask_p): Likewise.
5425         (native_interpret_int): Use build_int_cst_wide_type.
5426         (fold_binary): Use build_int_cst_type to build an all-ones
5427         value.
5428         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
5429
5430 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
5431
5432         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
5433
5434 2007-01-09  Ben Elliston  <bje@au.ibm.com>
5435
5436         * genautomata.c (STATS_OPTION): New option.
5437         (stats_flag): New flag.
5438         (gen_automata_option): Handle it.
5439         (initiate_automaton_gen): Ditto.
5440         (write_automata): Output statistics only if stats_flag is
5441         set. Likewise, output time statistics only if time_flag is set.
5442         * doc/md.texi (Processor pipeline description): Document new flag.
5443
5444 2007-01-08  Richard Guenther  <rguenther@suse.de>
5445
5446         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
5447         * tree.c (build_int_cst_type): Likewise.
5448         (size_in_bytes): Don't call force_fit_type on the result.
5449         (int_fits_type_p): Use fit_double_type.
5450         * fold-const.c (fit_double_type): New function.
5451         (force_fit_type): Use it.
5452         * tree.h (fit_double_type): Export.
5453
5454 2007-01-08  Jan Hubicka  <jh@suse.cz>
5455
5456         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
5457         * ipa.c (function_and_variable_visibility): Fix return type.
5458
5459 2007-01-08  Richard Guenther  <rguenther@suse.de>
5460
5461         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
5462         of offset to build the index.
5463         * tree-pretty-print.c (dump_generic_node): Don't build negated
5464         const just for printing.
5465         * c-pretty-print.c (pp_c_integer_constant): Likewise.
5466         * builtins.c (fold_builtin_int_roundingfn): Check if result
5467         fits the type by using force_fit_type and comparing the result.
5468         * predict.c (predict_loops): Use compare_tree_int for comparison.
5469         * tree.c (build_int_cst): Fall back to integer_type_node for
5470         NULL_TREE type.
5471         (build_int_cst_wide): Assert type is non-null.
5472
5473 2007-01-08  Roberto Costa  <roberto.costa@st.com>
5474
5475         * tree-vrp.c (extract_range_from_cond_expr): New.
5476         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
5477         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
5478         as expressions.
5479         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
5480         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
5481         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
5482         used as expressions.
5483         * tree-object-size.c (cond_expr_object_size): New.
5484         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
5485
5486 2007-01-08  Jan Hubicka  <jh@suse.cz>
5487
5488         * tree-ssa-forwprop.c (forward_propagate_into_cond,
5489         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
5490         statement.
5491
5492 2007-01-08  Richard Guenther  <rguenther@suse.de>
5493
5494         PR tree-optimization/23603
5495         * tree-vrp.c (set_value_range_to_truthvalue): New function.
5496         (extract_range_from_binary): Fall back to truthvalue instead of
5497         varying for TRUTH_*_EXPR.
5498         (extract_range_from_comparison): Fall back to truthvalue instead of
5499         varying.
5500         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
5501         if all visited PHI values were constant.
5502
5503 2007-01-08  Jan Hubicka  <jh@suse.cz>
5504
5505         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
5506         (cgraph_analyze_function): break out from ...
5507         (cgraph_finalize_compilation_unit): ... here.
5508         (cgraph_expand_function): Remove forgoten commented out line.
5509         (cgraph_optimize): Analyze functions.
5510
5511 2007-01-08  Jan Hubicka  <jh@suse.cz>
5512
5513         * tree-pas.h (TODO_remove_function): New flag.
5514         (TODO_update*): Renumber.
5515         (pass_ipa_increase_alignment,
5516         pass_ipa_function_and_variable_visibility): New passes.
5517         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
5518         (cgraph_function_and_variable_visibility): Move to ipa.c
5519         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
5520         cgraph_increase_alignment.
5521         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
5522         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
5523         calling tree-inline.
5524         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
5525         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
5526         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
5527         (gate_increase_alignment): New function.
5528         (pass_ipa_increase_alignment): New pass.
5529         * ipa.c: Inline tree-pass.h and timevar.h
5530         (function_and_variable_visibility): Move here from cgraphunit.c
5531         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
5532         * passes.c (init_optimization_passes): Add the two new passes.
5533         (execute_todo): Handle cgraph_remove_functions.
5534
5535 2007-01-08  Nick Clifton  <nickc@redhat.com>
5536
5537         * config/frv/predicates.md (reg_or_0_operand): Accept
5538         CONST_DOUBLEs.
5539
5540 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
5541
5542         * config/bfin/rtems.h, config/bfin/t-rtems: New.
5543         * config.gcc: Add bfin*-rtems*.
5544
5545 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
5546
5547         * c.opt: Add -flax-vector-conversions.
5548         * c-typeck.c (convert_for_assignment): Pass flag to
5549         vector_types_convertible_p to allow emission of note.
5550         (digest_init): Likewise.
5551         * c-opts.c: Handle -flax-vector-conversions.
5552         * c-common.c (flag_lax_vector_conversions): New.
5553         (vector_types_convertible_p): Unless -flax-vector conversions
5554         has been passed, disallow conversions between vectors with
5555         differing numbers of subparts and/or element types.  If such
5556         a conversion is disallowed, possibly emit a note on the first
5557         occasion only to inform the user of -flax-vector-conversions.
5558         The new last argument specifies this.
5559         * c-common.h (flag_lax_vector_conversions): New.
5560         (vector_types_convertible_p): Add extra argument.
5561         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
5562         char_type_node for V*QI type vectors.
5563         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
5564         Update to satisfy new typechecking rules.
5565         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
5566         C and C++ variants.
5567         * doc/invoke.texi (C Dialect Options): Document
5568         -flax-vector-conversions.
5569
5570 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
5571
5572         PR tree-optimization/29877
5573         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
5574         a register variable on the RHS to not be replaceable.
5575
5576 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
5577         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
5578         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
5579         const_simm15, const_pow2, const_npow2): Added.
5580         * config/score/misc.md (insv, extv, extzv, movmemsi,
5581         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
5582         * config/score/score.c (score_address_cost, score_select_cc_mode):
5583         Added.
5584         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
5585         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
5586         Update score_print_operand.
5587         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
5588         Adjust register allocate order and update some macro define.
5589         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
5590         mdx_block_move_straight, mdx_block_move_loop_head,
5591         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
5592         mdx_block_move): Added.
5593         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
5594         mdp_limm): Updated and fix some bug and typo.
5595         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
5596         (movsf, movdf, doloop_end): Added.
5597
5598 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
5599
5600         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
5601         config/arm/thumb2.md: Fix comment typos.
5602         * doc/extend.texi: Fix a typo.
5603
5604 2007-01-07  Eric Christopher  <echristo@apple.com>
5605
5606         * configure.ac: Check for __stack_chk_fail for darwin.
5607         * configure: Regenerate.
5608
5609 2007-01-07  Richard Guenther  <rguenther@suse.de>
5610
5611         * tree-vrp.c (extract_range_from_assert): CSE calls to
5612         compare_values where possible.
5613         (extract_range_from_unary_expr): Likewise.
5614
5615 2007-01-07  Anatoly Sokolov <aesok@post.ru>
5616
5617         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
5618         * config/avr/avr.c (call_insn_operand): Delete function.
5619         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
5620         instead of register number. Use predicates.
5621         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
5622         call_insn_operand): Add.
5623
5624 2007-01-06  Jan Hubicka  <jh@suse.cz>
5625
5626         * tree-pass.h (pass_build_cgraph_edges): Declare.
5627         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
5628         (visited_nodes): Remove.
5629         (cgraph_create_edges): Move to cgraphbuild.c; rename to
5630         build_cgrpah_edges; make visited_nodes local.
5631         (cgraph_process_new_functions): DO not call initialize_inline_failed.
5632         (record_references_in_initializer): Move to cgraphbuild.c
5633         (initialize_inline_failed, rebuild_cgraph_edges,
5634         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
5635         (verify_cgraph_node): Make visited_nodes local.
5636         (cgraph_analyze_function): Do not call cgraph_create_edges and
5637         initialize_inline_failed.
5638         (cgraph_expand_function): Do not call cgraph_lower_function;
5639         assert that function is already lowered.
5640         * Makefile.in (cgraphbuild.o): New.
5641         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
5642         at the end of lowering passes.
5643
5644 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
5645
5646         * ifcvt.c (cond_move_convert_if_block): New function, code
5647         factored out from...
5648         (cond_move_process_if_block): ...here.  Call the new function
5649         on the THEN and ELSE blocks.
5650         (merge_if_block): Do not copy global_live_at_end, merge_blocks
5651         already takes care of this.
5652
5653 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5654
5655         PR c/19978
5656         * tree.h (TREE_OVERFLOW_P): New.
5657         * c-typeck.c (parser_build_unary_op): Warn only if result
5658         overflowed and operands did not.
5659         (parser_build_binary_op): Likewise.
5660         (convert_for_assignment): Remove redundant overflow_warning.
5661         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
5662
5663 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5664
5665         * c-typeck.c (store_init_value): Split over two lines to follow
5666         the GNU coding style.
5667
5668 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
5669
5670         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
5671         __GXX_EXPERIMENTAL_CXX0X__.
5672         * doc/cpp.texi: Same.
5673
5674 2007-01-05  Richard Guenther  <rguenther@suse.de>
5675
5676         PR middle-end/27826
5677         * tree.c (get_narrower): Do not construct COMPONENT_REFs
5678         with mismatched types.  Instead explicitly build a
5679         conversion NOP_EXPR.
5680
5681 2007-01-05  Ian Lance Taylor  <iant@google.com>
5682
5683         * c-common.c (decl_with_nonnull_addr_p): New function.
5684         (c_common_truthvalue_conversion): Call it.
5685         * c-typeck.c (build_binary_op): Likewise.
5686         * c-common.h (decl_with_nonnull_addr_p): Declare.
5687
5688 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
5689
5690         PR c/30360
5691         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
5692         denom against 0.0.
5693
5694 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
5695
5696         * doc/install.texi (Final install): Document the fact that
5697         the GNAT runtime should not be stripped.
5698
5699 2007-01-04  Jan Hubicka  <jh@suse.cz>
5700
5701         * tree-inline.c (fold_marked_statements): Update operand caches
5702         and EH after folding
5703
5704 2007-01-04  Ian Lance Taylor  <iant@google.com>
5705
5706         * c-common.c (check_function_nonnull): Whitespace fix.
5707
5708 2007-01-04  Jan Hubicka  <jh@suse.cz>
5709
5710         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
5711         comitted older version of patch.
5712         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
5713         function, celanup cfg and collect garbage.
5714
5715 2007-01-04  Mike Stump  <mrs@apple.com>
5716
5717         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
5718         (clean): Likewise.
5719
5720 2007-01-04  Eric Christopher  <echristo@apple.com>
5721
5722         * libgcc2.c (__bswapsi2): Use SItype.
5723         (__bswapdi2): Use DItype.
5724         * libgcc2.h: Update for above.
5725
5726 2007-01-04  Paul Brook  <paul@codesourcery.com>
5727
5728         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
5729         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
5730         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
5731         umulsidi3, umulsidi3adddi, smulsi3_highpart,
5732         umulsi3_highpart): Make conditional on !arm_arch6.
5733         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
5734         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
5735         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
5736         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
5737         umulsi3_highpart_v6): New insns.
5738
5739 2007-01-04  Roger Sayle  <roger@eyesopen.com>
5740
5741         * fold-const.c (fold_convert): When casting an expression to void,
5742         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
5743         have a type.  Instead of attempting to build a NOP_EXPR, return
5744         these "special" trees directly.
5745
5746 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
5747
5748         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
5749         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
5750         rs6000_cost->fp not 0 as adjustment for outer NEG.
5751
5752 2007-01-04  Jan Hubicka  <jh@suse.cz>
5753
5754         * cgraph.c (cgraph_release_function_body): New function.
5755         (cgraph_remove_node): Use it.
5756         * cgraph.h (cgraph_release_function_body): Declare.
5757         * cgraphunit.c (cgraph_expand_function): Use it.
5758         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
5759         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
5760         is initialized and while compilation of other function is running.
5761         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
5762         statement CFG annotations from here to ...
5763         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
5764
5765 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
5766
5767         * cfgloop.h (enum li_flags): Make the constants powers of two.
5768
5769 2007-01-04  Jan Hubicka  <jh@suse.cz>
5770
5771         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
5772         set.
5773         (fold_marked_statements): New function.
5774         (optimize_inline_calls, tree_function_versioning): Fold new statements.
5775         * tree-inline.h (copy_body_data): Add statements_to_fold.
5776
5777 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
5778
5779         * config.gcc: Mention libgcc/config.host.
5780         * Makefile.in: Update comments mentioning libgcc.
5781         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
5782         (all.cross, start.encap, rest.encap, rest.cross): Update
5783         dependencies for libgcc move.
5784         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
5785         (clean-target, clean-target-libgcc): Delete.
5786         (srcdirify, GCC_EXTRA_PARTS): New macros.
5787         (libgcc-support, libgcc.mvars): New rules.
5788         (distclean): Remove mention of mklibgcc.
5789         (install): Don't reference INSTALL_LIBGCC.
5790         (install-common): Don't reference EXTRA_PARTS.
5791         (install-libgcc, install-multilib): Delete rules.
5792         * mklibgcc.in: Delete file.
5793         * doc/configfiles.texi: Don't mention mklibgcc.
5794
5795         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
5796         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
5797         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
5798         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
5799         (mklibgcc, ldblspecs): Likewise.
5800
5801         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
5802         (posixpre.def): Use $(T).
5803         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
5804         (SHLIB_SRC, SHLIB_INSTALL): Delete.
5805         (SHLIB_LINK): Make dummy.
5806         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
5807
5808         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
5809
5810         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
5811         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
5812         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
5813         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
5814
5815         * configure.ac (all_outputs): Remove mklibgcc.
5816         * configure: Regenerated.
5817
5818 2007-01-03  Josh Conner  <jconner@apple.com>
5819
5820         PR middle-end/29683
5821         * calls.c (compute_argument_addresses): Set stack and stack_slot
5822         for partial args, too.
5823         (store_one_arg): Use locate.size.constant for the size when
5824         generating a save_area.
5825
5826 2007-01-03  Robert Kennedy <jimbob@google.com>
5827
5828         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
5829         whose definitions are deleted due to basic block merging.
5830
5831 2007-01-03  Paul Brook  <paul@codesourcery.com>
5832
5833         PR target/16634
5834         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
5835         functions.
5836         (use_return_insn): Return 0 for Thumb interrupt functions.
5837         (print_multi_reg): Add rfe argument for IRQ returns.
5838         (arm_output_epilogue): Pop interrupt return address directly into PC.
5839         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
5840
5841 2007-01-03  Paul Brook  <paul@codesourcery.com>
5842
5843         Merge from sourcerygxx-4_1.
5844         * config/arm/thumb2.md: New file.
5845         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
5846         Thumb-2.
5847         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
5848         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
5849         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
5850         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
5851         tables.
5852         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
5853         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
5854         comptibility.
5855         * config/arm/ieee754-sf.S: Ditto.
5856         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
5857         (thumb1_base_register_rtx_p): ... to this.
5858         (thumb_index_register_rtx_p): Rename...
5859         (thumb1_index_register_rtx_p): ... to this.
5860         (thumb_output_function_prologue): Rename...
5861         (thumb1_output_function_prologue): ... to this.
5862         (thumb_legitimate_address_p): Rename...
5863         (thumb1_legitimate_address_p): ... to this.
5864         (thumb_rtx_costs): Rename...
5865         (thumb1_rtx_costs): ... to this.
5866         (thumb_compute_save_reg_mask): Rename...
5867         (thumb1_compute_save_reg_mask): ... to this.
5868         (thumb_final_prescan_insn): Rename...
5869         (thumb1_final_prescan_insn): ... to this.
5870         (thumb_expand_epilogue): Rename...
5871         (thumb1_expand_epilogue): ... to this.
5872         (arm_unwind_emit_stm): Rename...
5873         (arm_unwind_emit_sequence): ... to this.
5874         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
5875         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
5876         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
5877         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
5878         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
5879         thumb2_output_casesi): New functions.
5880         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
5881         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
5882         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
5883         THUMB2_WORK_REGS): Define.
5884         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
5885         arm_condexec_mask, arm_condexec_masklen)): New variables.
5886         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
5887         (arm_override_options): Check new CPU capabilities.
5888         Set new architecture flag variables.
5889         (arm_isr_value): Handle v7m interrupt functions.
5890         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
5891         Thumb-2.
5892         (const_ok_for_arm): Handle Thumb-2 constants.
5893         (arm_gen_constant): Ditto.  Use movw when available.
5894         (arm_function_ok_for_sibcall): Return false for v7m interrupt
5895         functions.
5896         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
5897         (thumb_find_work_register, arm_load_pic_register,
5898         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
5899         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
5900         print_multi_reg, output_mov_long_double_fpa_from_arm,
5901         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
5902         output_mov_double_fpa_from_arm, output_move_double,
5903         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
5904         output_return_instruction, arm_output_function_prologue,
5905         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
5906         arm_output_mi_thunk, thumb_set_return_address): Ditto.
5907         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
5908         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
5909         (arithmetic_instr, shift_op): Use arm_shift_nmem.
5910         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
5911         '!' and 'L'.
5912         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
5913         (thumb_expand_prologue): Use thumb_set_frame_pointer.
5914         (arm_file_start): Output directive for unified syntax.
5915         (arm_unwind_emit_set): Handle stack alignment instruction.
5916         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
5917         Add v6t2, v7, v7a, v7r and v7m.
5918         (RETLDM): Add Thumb-2 code.
5919         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
5920         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
5921         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
5922         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
5923         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
5924         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
5925         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
5926         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
5927         ADJUST_INSN_LENGTH): Define.
5928         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
5929         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
5930         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
5931         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
5932         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
5933         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
5934         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
5935         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
5936         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
5937         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
5938         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
5939         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
5940         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
5941         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
5942         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
5943         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
5944         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
5945         cortex-m3.
5946         * config/arm/arm-tune.md: Regenerate.
5947         * config/arm/arm-protos.h: Update prototypes.
5948         * config/arm/vfp.md: Enable patterns for Thumb-2.
5949         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
5950         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
5951         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
5952         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
5953         * config/arm/libunwind.S: Add Thumb-2 code.
5954         * config/arm/constraints.md: Update include Thumb-2.
5955         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
5956         * config/arm/ieee754-df.S: Ditto.
5957         * config/arm/bpabi.S: Ditto.
5958         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
5959         * config/arm/predicates.md (low_register_operand,
5960         low_reg_or_int_operand, thumb_16bit_operator): New.
5961         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
5962         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
5963         * config/arm/t-arm-elf: Add armv7 multilib.
5964         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
5965         Include thumb2.md.
5966         (UNSPEC_STACK_ALIGN, ce_count): New.
5967         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
5968         arm_zero_extendsidi2, arm_zero_extendqidi2): New
5969         insns/expanders.
5970         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
5971         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
5972         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
5973         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
5974         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
5975         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
5976         insns.
5977         * doc/extend.texi: Document ARMv7-M interrupt functions.
5978         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
5979
5980 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
5981
5982         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
5983         (struct _Unwind_Context): Rename args_size to flags, remove
5984         signal_frame field, add a new args_size field and version field.
5985         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
5986         _Unwind_IsExtendedContext): New inline functions.
5987         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
5988         Assume by_value array is only present if _Unwind_IsExtendedContext.
5989         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
5990         _Unwind_IsSignalFrame.
5991         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
5992         (uw_update_context_1): Use _Unwind_SetSignalFrame.
5993         (uw_init_context_1): Initialize context->flags to
5994         EXTENDED_CONTEXT_BIT.
5995         * config/rs6000/linux-unwind.h (frob_update_context): Use
5996         _Unwind_SetSignalFrame.
5997
5998 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5999
6000         PR middle-end/30353
6001         * gimplify.c (gimplify_modify_expr_complex_part): Move below
6002         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
6003         the value.
6004
6005 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
6006
6007         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
6008         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
6009         RET, AT_SP): Remove.
6010         * config/i386/i386.md (*sse_prologue_save_insn): Use return
6011         instead of RET.
6012
6013         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6014         * cfgbuild.c (find_basic_blocks): Likewise.
6015         * cfgrtl.c (rtl_create_basic_block): Likewise.
6016         * function.c (temp_slots_at_level): Likewise.
6017         * reg-stack.c (stack_regs_mentioned): Likewise.
6018         * regclass.c (allocate_reg_info): Likewise.
6019         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6020         set_bb_for_stmt, move_block_to_fn): Likewise.
6021         * tree-complex.c (tree_lower_complex): Likewise.
6022         * vec.h (VEC_safe_grow_cleared): New.
6023
6024         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
6025
6026 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
6027
6028         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
6029         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
6030         to loop_version.
6031         * cfgloopmanip.c (scale_loop_frequencies): Export.
6032         (loopify): Scale the frequencies by prescribed coefficients.
6033         (set_zero_probability): New function.
6034         (duplicate_loop_to_header_edge): Improve updating of frequencies.
6035         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
6036         and frequencies according to arguments.
6037         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
6038         correctly.
6039         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
6040         * modulo-sched.c (sms_schedule): Set probabilities for entering
6041         versioned loop correctly.
6042         * tree-vect-transform.c (vect_transform_loop): Ditto.
6043         * cfgloop.h (loopify, loop_version): Declaration changed.
6044         (scale_loop_frequencies): Declared.
6045
6046 2007-01-02  Jan Hubicka  <jh@suse.cz>
6047
6048         * cgraph.c: Include tree-flow.h
6049         (cgraph_add_new-function): Handle IPA_SSA mode; execute
6050         early_local_passes.
6051         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
6052         * tree-pass.h (pass_all_early_optimizations): Declare.
6053         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
6054         early_local_passes.
6055         (cgraph_analyze_function): Do early_local_passes.
6056         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
6057         Do not add referenced vars.
6058         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
6059         SSA form.
6060         (gate_all_early_local_passes): New gate.
6061         (pass_early_local_passes): Use new gate.
6062         (execute_early_local_optimizations): New functions.
6063         (gate_all_early_optimizations): New gate.
6064         (pass_all_early_optimizations): New pass.
6065         (execute_free_datastructures): Free SSA only when initialized.
6066         (gate_init_datastructures): Init only when optimizing.
6067         (tree_lowering_passes): Do early local passes when called late.
6068         * tree-profile.c (do_tree_profiling): Don't profile functions added
6069         late.
6070         (do_early_tree_profiling, pass_early_tree_profile): Kill.
6071         * tree-cfg.c (update_modified_stmts): Do not update when operands are
6072         not active.
6073         * passes.c (init_optimizations_passes): Reorder so we go into SSA
6074         during early_local_passes.
6075         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
6076
6077
6078 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
6079
6080         * Makefile.in: Update copyright year.
6081
6082 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
6083
6084         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
6085         in $(lang_checks) and check-consistency targets.
6086
6087 2007-01-02  Jan Hubicka  <jh@suse.cz>
6088
6089         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
6090         Do not add referenced vars.
6091         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
6092         are not active.
6093         * passes.c (init_optimization_passes): Put mudflap_2 after
6094         free_datastructures.
6095
6096 2007-01-02  Jan Hubicka  <jh@suse.cz>
6097
6098         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
6099         Set NOTHROW flag on call statements proved to be nothrow.
6100         Update statement of local calls so new pure/const functions are
6101         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
6102         goto receivers.
6103         (tree_rest_of_compilation): Register hooks and initialize bitmap
6104         early. Do not set after_inlining flag.
6105
6106 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
6107
6108         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
6109         HOST_BITS_PER_LONGLONG
6110
6111 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6112
6113         PR c/19977
6114         * c-typeck.c (store_init_value): Don't emit pedantic overflow
6115         warning for non-static initializers.
6116
6117 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
6118
6119         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
6120         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
6121         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
6122         Always use set_unique_reg_note to add REG_EQUAL notes.
6123
6124 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6125
6126         Revert:
6127         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6128
6129         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6130         * cfgbuild.c (find_basic_blocks): Likewise.
6131         * cfgrtl.c (rtl_create_basic_block): Likewise.
6132         * function.c (temp_slots_at_level): Likewise.
6133         * reg-stack.c (stack_regs_mentioned): Likewise.
6134         * regclass.c (allocate_reg_info): Likewise.
6135         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6136         set_bb_for_stmt, move_block_to_fn): Likewise.
6137         * tree-complex.c (tree_lower_complex): Likewise.
6138         * vec.h (VEC_safe_grow_cleared): New.
6139
6140 2007-01-02  Ian Lance Taylor  <iant@google.com>
6141
6142         * c-common.c (c_common_truthvalue_conversion): When warning about
6143         using an assignment as a truth value, set TREE_NO_WARNING.
6144
6145 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6146
6147         PR middle-end/7651
6148         * c.opt (Wold-style-declaration): New.
6149         * doc/invoke.texi (C-only Warning Options): New.
6150         (Wold-style-declaration): Document it.
6151         (Wextra): Enabled by -Wextra.
6152         * c-opts.c (c_common_post_options): Enabled by -Wextra.
6153         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
6154         -Wold-style-declaration.
6155
6156 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6157
6158         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6159         * cfgbuild.c (find_basic_blocks): Likewise.
6160         * cfgrtl.c (rtl_create_basic_block): Likewise.
6161         * function.c (temp_slots_at_level): Likewise.
6162         * reg-stack.c (stack_regs_mentioned): Likewise.
6163         * regclass.c (allocate_reg_info): Likewise.
6164         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6165         set_bb_for_stmt, move_block_to_fn): Likewise.
6166         * tree-complex.c (tree_lower_complex): Likewise.
6167         * vec.h (VEC_safe_grow_cleared): New.
6168
6169 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
6170
6171         * c-common.c (c_common_nodes_and_builtins): Since variants of
6172         void_type_node get built before it is given a name, we need to
6173         give those variants the name, too.
6174         (complete_array_type): We need to work with the canonical main
6175         type of the array, from which we will build the qualified version.
6176         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
6177         * print-tree.c (print_node): Display canonical type information
6178         for each type.
6179         * stor-layout.c (layout_type): When we don't know the
6180         alignment of a type for which we're building an array, we end up
6181         guessing wrong, so make the type require structural equality.
6182         * tree.c (make_node_stat): When we build a new type, it is its
6183         own canonical type.
6184         (build_type_attribute_qual_variant): When building an attribute
6185         variant, its canonical type is the non-attribute variant. However,
6186         if the attributes are target-dependent and they differ, we need to
6187         use structural equality checks for this type.
6188         (build_qualified_type): A qualified type is not equivalent to its
6189         unqualified variant; set the canonical type appropriately.
6190         (build_distinct_type_copy): When building a distinct type from
6191         another type, the new type is its own canonical type.
6192         (build_variant_type_copy): When building a new type variant, we
6193         assume that it is equivalent to the original type.
6194         (build_pointer_type_for_mode): When building a pointer type, also
6195         build a canonical type pointer.
6196         (build_reference_type_for_mode): When building a reference type,
6197         also build a canonical type reference.
6198         (build_index_type): When we can't hash an index type (e.g.,
6199         because its maximum value is negative), the index type requires
6200         structural equality tests.
6201         (build_array_type): Build the canonical form of an array type.
6202         (build_function_type): Function types require structural equality,
6203         because they contain default arguments, attributes, etc.
6204         (build_method_type_directly): Ditto for method types.
6205         (build_offset_type): Build the canonical offset type.
6206         (build_complex_type): Build the canonical vector type.
6207         (make_vector_type): Build the canonical vector type.
6208         * tree.h (TYPE_CANONICAL): New.
6209         (TYPE_STRUCTURAL_EQUALITY_P): New.
6210         (SET_TYPE_STRUCTURAL_EQUALITY): New.
6211         (struct tree_type): Added "canonical" field.
6212         * params.h (VERIFY_CANONICAL_TYPES): New.
6213         * doc/c-tree.texi (TYPE_CANONICAL): Document.
6214         (TYPE_STRUCTURAL_EQUALITY_P): Document.
6215         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
6216         * doc/invoke.texi (verify-canonical-types): Document --param
6217         parameter for verifying canonical types.
6218
6219 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6220
6221         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
6222         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
6223         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
6224         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
6225         tm_file.
6226         * config/rs6000/e500.h: New.
6227         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
6228         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
6229         Remove.
6230         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
6231         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
6232         TARGET_E500_DOUBLE): Remove.
6233         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
6234         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
6235         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
6236         * config/rs6000/rs6000.c (rs6000_override_options): Use
6237         CHECK_E500_OPTIONS.
6238
6239 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6240
6241         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
6242         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
6243         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
6244         rs6000_emit_cmove): Don't check TARGET_E500.
6245         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
6246         sordered): Don't check TARGET_E500.
6247
6248 2007-01-01  Eric Christopher  <echristo@apple.com>
6249
6250         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
6251         HARD_REGISTER_NUM_P.
6252
6253 2007-01-01  Roger Sayle  <roger@eyesopen.com>
6254
6255         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
6256         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
6257         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
6258         eq/ne Y".
6259
6260 2007-01-01  Mike Stump  <mrs@apple.com>
6261
6262         * configure.ac: Remove support for building with Apple's gcc-3.1.
6263
6264 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6265
6266         PR middle-end/30311
6267         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
6268         REG is a hard register.  Do not modify REG before calling
6269         subreg_nregs.
6270         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
6271         multiple of the size of YMODE for certain lowpart cases.
6272
6273 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6274
6275         PR middle-end/30253
6276         * gimplify (voidify_wrapper_expr): Update for
6277         GIMPLE_MODIFY_STMT.
6278
6279 2007-01-01  Andreas Schwab  <schwab@suse.de>
6280
6281         PR target/29166
6282         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
6283         save of BR0 in extra_spill_size instead of spill_size.
6284         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
6285         area.
6286         (ia64_expand_epilogue): Restore BR0 from its new location.
6287
6288 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6289
6290         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
6291         Use a temporary variable if the left hand side is not a gimple
6292         register.
6293
6294 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6295
6296         * gimplify.c (gimplify_return_expr): Make the temporary variable
6297         for the return expression, a gimple register variable.
6298
6299 2007-01-01  Jan Hubicka  <jh@suse.cz>
6300
6301         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
6302         INSN_LIST.
6303
6304 2007-01-01  Mike Stump  <mrs@apple.com>
6305
6306         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
6307         .literal16.
6308         * config/darwin.c (machopic_select_rtx_section): Use
6309         HAVE_GAS_LITERAL16.
6310         (darwin_mergeable_constant_section): Likewise.
6311         * configure: Regenerate.
6312         * config.in: Regenerate.
6313
6314 2007-01-01  Jan Hubicka  <jh@suse.cz>
6315             Andrew Pinski  <pinskia@gmail.com>
6316
6317         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
6318         before starting IPA passes.