gcc/ChangeLog

   1 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
   2
   3         PR tree-optimization/30565
   4         * lambda-code.c (perfect_nestify): Fix updating of dominators.
   5
   6 2007-05-03  Bernd Schmidt  <bernd.schmidt@analog.com>
   7
   8         * config/bfin/bfin.md (addpdi3, us_truncpdisi2): New patterns.
   9         (umulsi3_highpart): Use them.
  10         * config/bfin/lib1funcs.asm (__umulsi3_highpart): Use unsigned move
  11         for final accumulator to D regisster tranfser.
  12
  13 2007-05-03  Dorit Nuzman  <dorit@il.ibm.com>
  14
  15         PR tree-optimization/31699
  16         * tree-vect-analyze.c (vect_update_misalignment_for_peel): Remove wrong
  17         code.
  18         (vect_enhance_data_refs_alignment): Compute peel amount using
  19         TYPE_VECTOR_SUBPARTS instead of vf.
  20         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Likewise.
  21
  22 2007-05-02  Brooks Moses  <brooks.moses@codesourcery.com>
  23
  24         PR bootstrap/31776
  25         * system.h: Remove inclusion of double-int.h
  26         * tree.h: Include double-int.h
  27         * gengtype.c: Likewise
  28         * cfgloop.h: Likewise
  29         * Makefile.in: Adjust dependencies on double-int.h
  30
  31 2007-05-02  Eric Christopher  <echristo@apple.com>
  32
  33         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Translate
  34         -shared to -Zdynamiclib.
  35
  36 2007-05-02  Seongbae Park  <seongbae.park@gmail.com>
  37
  38         PR c++/31663
  39         * c-common.c (strip_pointer_or_array_types): New function.
  40         * c-common.h (strip_pointer_or_array_types): New function declaration.
  41
  42 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
  43
  44         PR tree-optimization/31771
  45         * tree-cfg.c (move_block_to_fn): Assign bb to the correct index.
  46
  47 2007-05-02  Paul Brook  <paul@codesourcery.com>
  48
  49         * config/arm/bpabi.S (aeabi_lcmp): Fix result on overflow.
  50
  51 2007-05-02  Andrew Pinski  <andrew_pinski@playstation.sony.com>
  52
  53         PR middle-end/29715
  54         * fold-const.c (fold_comparision): Remove the "foo++ == CONST"
  55         transformation.
  56
  57 2007-05-02  Nick Clifton  <nickc@redhat.com>
  58
  59         * config/frv/predicates.md (symbolic_operand): Accept CONSTs.
  60
  61 2007-05-02  Richard Guenther  <rguenther@suse.de>
  62
  63         PR tree-optimization/31146
  64         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
  65         argument, single_use_p.  If we have a single use that is
  66         a conversion to the definition rhs type, propagate that rhs.
  67         (forward_propagate_addr_expr): Pass single_use_p argument
  68         to forward_propagate_addr_expr_1.
  69
  70 2007-05-01  H.J. Lu  <hongjiu.lu@intel.com>
  71
  72         * config/i386/i386.c (ix86_expand_sse_comi): Remove unused
  73         variable.
  74
  75 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
  76
  77         * doc/invoke.texi: Fix typo, 'AMD Family 10h core' instead of
  78         'AMD Family 10 core'.
  79
  80 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
  81
  82         * config/i386/i386.c (override_options): Accept k8-sse3, opteron-sse3
  83         and athlon64-sse3 as improved versions of k8, opteron and athlon64
  84         with SSE3 instruction set support.
  85         * doc/invoke.texi: Likewise.
  86
  87 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
  88
  89         * config/i386/i386.c (override_options): Tuning 32-byte loop
  90         alignment for amdfam10 architecture. Increasing the max loop
  91         alignment to 24 bytes.
  92
  93 2007-05-01  Kazu Hirata  <kazu@codesourcery.com>
  94
  95         * config/m68k/constraints.md: New.
  96         * config/m68k/m68k.h (REG_CLASS_FROM_LETTER,
  97         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
  98         EXTRA_CONSTRAINT): Remove.
  99         * config/m68k/m68k.md: Include constraints.md.
 100         * expr.c (expand_expr_real_1): Copy DECL_RTL before using it.
 101
 102 2007-05-01  Ian Lance Taylor  <iant@google.com>
 103
 104         PR tree-optimization/31739
 105         * tree-vrp.c (vrp_val_is_max): New static function.
 106         (vrp_val_is_min): New static function.
 107         (set_value_range_to_value): Use TYPE_{MAX,MIN}_VALUE rather than
 108         copying the node.
 109         (set_value_range): Use vrp_val_is_{max,min}.
 110         (extract_range_from_assert): Likewise.
 111         (extract_range_from_binary_expr): Likewise.
 112         (extract_range_from_unary_expr): Likewise.
 113         (dump_value_range, vrp_meet): Likewise.
 114         (vrp_visit_phi_node): Likewise.
 115         * tree.c (build_distinct_type_copy): Revert change of 2007-04-27.
 116
 117 2007-05-01  Mark Mitchell  <mark@codesourcery.com>
 118
 119         * config/i386/gmon-sol2.c (size_t): New type.
 120         (intptr_t): Likewise.
 121         (s_textsize): Declare as size_t.
 122         (sbrk): Declare.
 123         (monstartup): Use size_t for sizes.
 124         (_mcount): Save and restore registers.
 125         (internal_mcount): Pass 0 as the first argument to monstartup
 126         in 64-bit mode.
 127         (moncontrol): Convert pointer to appropriately sized integer
 128         before passing to profil.
 129
 130 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
 131
 132         * config/rs6000/darwin-ldouble.c (__gcc_qunord): Define if
 133         __NO_FPRS__, not just if _SOFT_DOUBLE.
 134         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qunord): Likewise.
 135         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use __gcc_qunord
 136         also for E500 double.
 137         * config/rs6000/rs6000.md (buneq, bunge, bungt, bunle, bunlt,
 138         suneq, sunge, sungt, sunle, sunlt): Disable for (TARGET_HARD_FLOAT
 139         && !TARGET_FPRS).
 140
 141 2007-05-01  Richard Guenther  <rguenther@suse.de>
 142
 143         * tree-ssa-loop-manip.c (ip_normal_pos): Check if last stmt
 144         is NULL.
 145
 146 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
 147
 148         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qgt): Fix typo.
 149
 150 2007-05-01  Jan Hubicka  <jh@suse.cz>
 151
 152         * tree-vectorize.c (vect_is_simple_use): gimple_min_invariant is
 153         invariant.
 154
 155 2007-05-01  Jan Hubicka  <jh@suse.cz>
 156
 157         * tree.h (maybe_fold_offset_to_component_ref): Remove.
 158         (maybe_fold_offset_to_reference): Declare.
 159         * fold-const.c (fold_unary): Do not fold
 160         (type *)&A into &A->field_of_type_and_offset_0
 161         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): When base type
 162         size is unknown, give up.
 163         (maybe_fold_offset_to_component_ref): Ignore firelds with unknown
 164         offsets.
 165         (maybe_fold_offset_to_reference): New.
 166         (maybe_fold_stmt_indirect): Use it.
 167         (fold_stmt_r): Fold (type *)&A+offset into A->field_if_type_and_offset.
 168         * gimplify.c (gimplify_conversion): Canonicalize conversions to
 169         field references.
 170         (gimplify_expr): Likewise for plus_expr.
 171
 172 2007-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
 173
 174         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Use
 175         bsi_after_labels.  Always insert statements before bsi.
 176         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
 177         * predict.c (apply_return_prediction): Check for empty blocks.
 178         * cfgexpand.c (lab_rtx_for_bb): New variable.
 179         (label_rtx_for_bb): Do not create new tree labels.
 180         (expand_gimple_basic_block): Add labels recorded in lab_rtx_for_bb.
 181         (tree_expand_cfg): Initialize lab_rtx_for_bb.
 182         * tree-cfg.c (build_tree_cfg): Call cleanup_dead_labels after
 183         creating edges.
 184         (label_for_bb): Add field used.
 185         (update_eh_label, main_block_label): Mark the label used.
 186         (cleanup_dead_labels): Remove unused labels.
 187
 188 2007-05-01  Richard Guenther  <rguenther@suse.de>
 189
 190         * tree-vrp.c (set_value_range): Do not allocate equiv bitmap
 191         if it is not about to be set.
 192         (get_value_range): Do not pre-allocate equiv bitmap.
 193         (update_value_range): No need to clear equiv field.
 194         (add_equivalence): Change prototype to get bitmap pointer.
 195         Allocate bitmap here if it is not already.
 196         (extract_range_from_assert): Do not allocate bitmap here.
 197         Update callers to add_equivalence.
 198         (extract_range_from_ssa_name): Likewise.
 199         (get_vr_for_comparison): New static helper.
 200         (compare_name_with_value): Handle NULL equiv bitmap by
 201         peeling the first iteration of the comparison loop.
 202         Use get_vr_for_comparison.
 203         (compare_names): Handle NULL equiv bitmaps by using fake
 204         ones.  Use get_vr_for_comparison.
 205
 206 2007-04-30  Brooks Moses  <brooks.moses@codesourcery.com>
 207
 208         * double-int.c (mpz_set_double_int): Moved from
 209         tree-ssa-loop-niter.c.
 210         (mpz_get_double_int): Likewise; also, add option to wrap
 211         out-of-range integers.
 212         * double-int.h: New prototypes for above.
 213         * tree.c (get_static_type_bounds): Moved from
 214         tree-ssa-loop-niter.c; now returns TYPE_MIN_VALUE and
 215         TYPE_MAX_VALUE if they exist..
 216         * tree.h: New prototype for above.
 217         * tree-ssa-loop-niter.c: Adjust mpz_to_double_int and
 218         get_type_bounds calls.
 219         (mpz_set_double_int): Move to double-int.c.
 220         (get_type_bounds): Move to tree.c, rename to
 221         get_static_type_bounds.
 222         (mpz_to_double_int): Move to double-int.c, rename to
 223         mpz_get_double_int.
 224
 225 2007-04-30  Bob Wilson  <bob.wilson@acm.org>
 226
 227         * config/xtensa/lib1funcs.asm (__umodsi3, __modsi3): Rearrange so that
 228         DIV0 exception can fall through to a normal return.
 229
 230 2007-04-30  Alexandre Oliva  <aoliva@redhat.com>
 231
 232         PR middle-end/22156
 233         Temporarily revert:
 234         2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
 235         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
 236         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
 237         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
 238         initialize align to silence bogus warning.
 239         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
 240         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
 241         all_no_warning.
 242         (struct sra_walk_fns): Remove use_all parameter from use.
 243         (sra_hash_tree): Handle BIT_FIELD_REFs.
 244         (sra_elt_hash): Don't hash bitfld blocks.
 245         (sra_elt_eq): Skip them in parent compares as well.  Handle
 246         BIT_FIELD_REFs.
 247         (sra_walk_expr): Don't maintain or pass down use_all_p.
 248         (scan_use): Remove use_all parameter.
 249         (scalarize_use): Likewise.  Re-expand assignment to
 250         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
 251         output, and re-scalarize after output.  Don't mark anything
 252         for no warning.
 253         (scalarize_ldst): Adjust.
 254         (scalarize_walk_gimple_modify_statement): Likewise.
 255         (build_element_name_1): Handle BIT_FIELD_REFs.
 256         (instantiate_element): Don't warn for any element whose parent
 257         is used as a whole.
 258         (instantiate_missing_elements_1): Return the sra_elt.
 259         (canon_type_for_field): New.
 260         (try_instantiate_multiple_fields): New.
 261         (instantiate_missing_elemnts): Use them.
 262         (mark_no_warning): Removed.
 263         (generate_one_element_ref): Handle BIT_FIELD_REFs.
 264         (REPLDUP, sra_build_elt_assignment): New.
 265         (generate_copy_inout): Use them.
 266         (generate_element_copy): Likewise.  Handle bitfld differences.
 267         (generate_element_zero): Don't recurse for blocks.  Use
 268         sra_build_elt_assignment.
 269         (generate_one_element_int): Take elt instead of var.  Use
 270         sra_build_elt_assignment.
 271         (generate_element_init_1): Adjust.
 272         (scalarize_use, scalarize_copy): Use REPLDUP.
 273         (scalarize_ldst): Move assert before dereference.
 274         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
 275
 276 2007-04-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 277
 278         PR C++/31721
 279         * tree.c (reconstruct_complex_type): Reconstruct a reference
 280         correctly.
 281         Also use the same mode for the pointer as the old pointer type.
 282
 283 2007-04-30  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
 284
 285         * doc/trouble.texi (Interoperation): Remove note about Ultrix
 286         Fortran compiler.
 287
 288 2007-04-29  Zdenek Dvorak  <dvorakz@suse.cz>
 289
 290         PR rtl-optimization/31676
 291         * df-scan.c (record_nonlocal_goto_receiver_defs): New function.
 292         (df_refs_record): Call it.
 293
 294 2007-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
 295
 296         * rtl.def (SS_ABS): New code.
 297         * config/bfin/bfin.c (print_operand): New modifier 'v'.
 298         (enum bfin_builtins): Add BFIN_BUILTIN_SUM_2X16, BFIN_BUILTIN_ABS_1x32,
 299         BFIN_BUILTIN_ROUND_1x32, BFIN_BUILTIN_MULT_1x32x32,
 300         BFIN_BUILTIN_MULT_1x32x32NS, BFIN_BUILTIN_SSASHIFT_1x32.
 301         (bfin_init_builtins): Define them.
 302         (bdesc_1arg, bdesc_2arg): Add some of them here, ...
 303         (bfin_expand_builtin): ... and handle the others here.
 304         * config/bfin/bfin.md (ssabssi2, ssroundsi2, ssashiftsi3,
 305         flag_mul_macv2hi_parts_acconly_andcc0): New patterns.
 306         (ss_absv2hi2): Renamed from absv2hi; use ss_abs code.
 307         (ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3): Shift count
 308         operand is only HImode.
 309
 310 2007-04-29  Steven Bosscher  <steven@gcc.gnu.org>
 311
 312         * regclass.c (scan_one_insn): Remove splitting of
 313         two address insns.
 314
 315 2007-04-28  Sandra Loosemore  <sandra@codesourcery.com>
 316             Nigel Stephens  <nigel@mips.com>
 317
 318         * config/mips/mips.h (SLOW_BYTE_ACCESS): Turn off for MIPS16.
 319
 320 2007-04-28  Jan Hubicka  <jh@suse.cz>
 321
 322         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
 323         insn_locators_alloc instead of insn_locators_initialize;
 324         call reset_block_changes.
 325         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
 326         * config/sh/sh.c (sparc_output_mi_thunk): Likewise.
 327         * config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
 328         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
 329         * config/score/score.c (th_output_mi_thunk): Likewise.
 330         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
 331         * cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
 332         tolerate uninitialized locator info.
 333
 334         Re-apply:
 335         * function.c (init_function_start): Don't init line number info.
 336         (expand_function_end): Update.
 337         (reset_block_changes, record_block_change, finalize_block_changes,
 338         check_block_change, free_block_changes): Kill.
 339         * function.h (reset_block_changes, record_block_change,
 340         finalize_block_changes, check_block_change, free_block_changes): Remove
 341         prototypes.
 342         (struct function): Remove ib_boundaries_block.
 343         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
 344         Use curr_insn_locator to initialize locator.
 345         (emit_line_note): Remove.
 346         * cfgexpand.c (expand_gimple_cond_expr): Update.
 347         (construct_exit_block): Likewise.
 348         (tree_expand_cfg): Initialize/finalize locators.
 349         * expr.c (expand_expr_real): Update.
 350         * cfglayout.c (line_locators_locs, line_locators_lines,
 351         file_locators_locs, file_locators_files): Remove.
 352         (set_block_levels): Move to cfgexpand.c.
 353         (insn_locators_initialize): Remove.
 354         (pass_insn_locators_initialize): Remove.
 355         (locations_locators_locs, locations_locators_vals): New static vars.
 356         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
 357         Likewise.
 358         (insn_locators_alloc, insn_locators_finalize,
 359         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
 360         New functions.
 361         (locator_location): New.
 362         (locator_line, locator_file): Rewrite.
 363         * rtl.h (emit_line_note): Kill.
 364         (insn_locators_alloc, insn_locators_finalize,
 365         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
 366         Declare.
 367         * tree-inline.c (initialize_cfun): Do not initialize
 368         ib_boundaries_block.
 369         * passes.c (pass_insn_locators_initialize): Remove.
 370
 371 2007-04-28  Zdenek Dvorak  <dvorakz@suse.cz>
 372
 373         * tree-cfg.c (move_block_to_fn): Release bb from dominance
 374         info.  Update last_basic_block correctly.
 375
 376 2007-04-27  Kaz Kojima  <kkojima@gcc.gnu.org>
 377
 378         PR target/31701
 379         * config/sh/sh.c (output_stack_adjust): Avoid using the frame
 380         register itself to hold the offset constant.  Tell flow the use
 381         of r4 and r5 when they are used.
 382
 383 2007-04-27  Richard Guenther  <rguenther@suse.de>
 384
 385         * tree-ssa-forwprop.c (forward_propagate_into_cond): Keep track
 386         if we simplified anything.
 387         (tree_ssa_forward_propagate_single_use_vars): Defer overflow
 388         warnings until we did a simplification and the stmt was not
 389         marked as TREE_NO_WARNING.
 390
 391 2007-04-27  Mike Stump  <mrs@apple.com>
 392
 393         * config/rs6000/darwin.h (ALWAYS_PUSH_CONSTS_USING_REGS_P): Remove.
 394
 395 2007-04-27  Ian Lance Taylor  <iant@google.com>
 396
 397         PR middle-end/31710
 398         * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
 399         TYPE_MAX_VALUE exist, convert them to the new type.
 400
 401 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
 402
 403         * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info
 404         if it claims to be available.
 405         * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when
 406         edge is redirected.
 407         (perform_tree_ssa_dce): Always free postdominators.
 408
 409 2007-04-27  Richard Henderson  <rth@redhat.com>
 410
 411         * config/alpha/predicates.md (aligned_memory_operand): Mark
 412         as define_special_predicate.
 413         (unaligned_memory_operand, normal_memory_operand): Likewise.
 414         (reg_or_unaligned_mem_operand): Remove.
 415         (any_memory_operand): Match the documentation and check for
 416         non-renumbered pseudos during reload.
 417         * config/alpha/alpha.c (alpha_secondary_reload): Rename from
 418         alpha_secondary_reload_class, update to new interface, make static.
 419         Handle CQImode like HImode.  Remove FP subreg check.
 420         (alpha_expand_mov): Use replace_equiv_address.
 421         (alpha_expand_mov_nobwx): Use any_memory_operand.
 422         (TARGET_SECONDARY_RELOAD): New.
 423         * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove.
 424         (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
 425         * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ...
 426         * config/alpha/alpha.md: ... here.
 427         (RELOAD12, reloadmode): New.
 428         (movcqi): New.
 429         (reload_in<RELOAD12>): Macro-ize from reload_inqi, reload_inhi.
 430         Don't handle the aligned case here.
 431         (reload_out<RELOAD12>): Macro-ize from reload_outqi, reload_outhi.
 432         (reload_in<I12MODE>_aligned): Macro-ize from reload_inqi_help,
 433         reload_inhi_help.  Don't expect a scratch register.
 434         (reload_out<I12MODE>_aligned): Macro-ize from reload_outqi_help,
 435         reload_outhi_help.
 436         * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove.
 437
 438 2007-04-27  Richard Guenther  <rguenther@suse.de>
 439
 440         * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo.
 441
 442 2007-04-27  Richard Guenther  <rguenther@suse.de>
 443
 444         PR tree-optimization/30965
 445         PR tree-optimization/30978
 446         * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H).
 447         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove.
 448         (find_equivalent_equality_comparison): Likewise.
 449         (simplify_cond): Likewise.
 450         (get_prop_source_stmt): New helper.
 451         (get_prop_dest_stmt): Likewise.
 452         (can_propagate_from): Likewise.
 453         (remove_prop_source_from_use): Likewise.
 454         (combine_cond_expr_cond): Likewise.
 455         (forward_propagate_comparison): New function.
 456         (forward_propagate_into_cond): Rewrite to use fold for
 457         tree combining.
 458         (tree_ssa_forward_propagate_single_use_vars): Call
 459         forward_propagate_comparison to propagate comparisons.
 460
 461 2007-04-27  Richard Guenther  <rguenther@suse.de>
 462
 463         PR tree-optimization/31715
 464         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make
 465         sure to do computation on the offset in an appropriate
 466         signed type.
 467
 468 2007-04-27  Richard Sandiford  <richard@codesourcery.com>
 469
 470         * reload.h (elimination_target_reg_p): Declare.
 471         * reload.c (find_reloads): Don't apply the reg_rtx move
 472         optimization if the SET_DEST satisfies elimination_target_reg_p.
 473         * reload1.c (elimination_target_reg_p): New function.
 474         (gen_reload): In the move/add2 fallback, make sure that op0
 475         does not overlap the destination register.
 476
 477 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
 478
 479         * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
 480         transform only GIMPLE_MODIFY_STMTs.
 481         * tree-complex.c (expand_complex_operations_1): Ditto.
 482         (expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
 483         * tree-ssa-loop-manip.c (build_if_stmt): Removed.
 484         (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
 485         branches.
 486         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
 487         tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
 488         * omp-low.c (expand_parallel_call, expand_omp_for_generic,
 489         expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
 490         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
 491         slpeel_add_loop_guard): Ditto.
 492         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
 493         * lambda-code.c (perfect_nestify): Ditto.
 494         * tree-iterator.c (tsi_split_statement_list_before): Fix splitting
 495         before the first statement.
 496         * tree-optimize.c (execute_free_datastructures): Fix comments.
 497         (execute_free_cfg_annotations): Do not call disband_implicit_edges.
 498         * tree-flow.h (disband_implicit_edges): Declaration removed.
 499         * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
 500         branches.
 501         (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
 502         without gotos.
 503         (disband_implicit_edges, has_label_p): Removed.
 504         (tree_verify_flow_info): Verify that COND_EXPR branches are empty.
 505         (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
 506         branches.
 507         * tree.c (build3_stat): Mark COND_EXPRs used as statements as having
 508         side effects.
 509         * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
 510         also for COND_EXPRs.
 511         * cfgexpand.c (label_rtx_for_bb): New function.
 512         (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
 513         Use label_rtx_for_bb to find the labels.
 514         (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
 515         last block.  Detect fallthru edges.
 516
 517 2007-04-26  Ian Lance Taylor  <iant@google.com>
 518
 519         PR target/28675
 520         * reload.c (find_reloads_subreg_address): If the address was valid
 521         in the original mode but not in the new mode, reload the whole
 522         address.
 523
 524 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
 525
 526         * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable.
 527         (remove_fallthru_edge): Use remove_edge_and_dominated_blocks.
 528         (cleanup_control_expr_graph): Do not invalidate dominance info.
 529         Record altered blocks.
 530         (cleanup_control_flow, cleanup_forwarder_blocks): Removed.
 531         (cleanup_control_flow_bb, split_bbs_on_noreturn_calls,
 532         cleanup_tree_cfg_bb): New functions.
 533         (remove_forwarder_block): Do not maintain the worklist of blocks.
 534         Record altered blocks.
 535         (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs,
 536         not over whole cfg.
 537         (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1.  Only call
 538         delete_unreachable_blocks if dominators are not available.
 539         * tree-inline.c (optimize_inline_calls): Free dominance information
 540         earlier.
 541         * tree-flow.h (remove_edge_and_dominated_blocks,
 542         cfgcleanup_altered_bbs): Altered.
 543         * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered
 544         blocks.
 545         (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New
 546         functions.
 547         (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks,
 548         do not invalidate dominators.
 549
 550 2007-04-26  Anatoly Sokolov <aesok@post.ru>
 551
 552         * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and
 553         ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
 554         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
 555         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
 556
 557 2007-04-26  Steve Ellcey  <sje@cup.hp.com>
 558
 559         * config/ia64/ia64.md (ip_value):  Fix itanium_class attribute.
 560
 561 2007-04-26  Richard Guenther  <rguenther@suse.de>
 562
 563         PR tree-optimization/31703
 564         * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use
 565         the right type for the target of the bittest.
 566
 567 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
 568
 569         * config/i386/vx-common.h (RETURN_IN_MEMORY): Use
 570         ix86_sol10_return_in_memory.
 571
 572 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
 573
 574         * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused
 575         variables.
 576
 577 2007-04-26  Jakub Jelinek  <jakub@redhat.com>
 578
 579         PR c++/31598
 580         * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.
 581
 582         PR tree-optimization/30558
 583         * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
 584         clear this_state.prev_try.
 585
 586 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
 587             Mark Mitchell  <mark@codesourcery.com>
 588
 589         * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare.
 590         * config/i386/i386.c (ix86_sol10_return_in_memory): New function.
 591         * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it.
 592
 593 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
 594
 595         PR driver/31107
 596         * doc/invoke.texi (%:print-asm-header): Document.
 597         * gcc.c (asm_options): Use %:print-asm-header() for --target-help
 598         and -ftarget-help.
 599         (static_spec_functions): Add print-asm-header.
 600         (main): Print a banner before the --target-help linker options.
 601         (print_asm_header_spec_function): New function.
 602
 603 2007-04-25  Kaz Kojima  <kkojima@gcc.gnu.org>
 604
 605         PR target/31403
 606         * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A.
 607         (movsf_ie): Likewise.
 608
 609 2007-04-25  Paolo Carlini  <pcarlini@suse.de>
 610
 611         * doc/extend.texi ([Type Traits]): Adjust per N2255.
 612
 613 2007-04-25  Bob Wilson  <bob.wilson@acm.org>
 614
 615         * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Throw an exception
 616         for divide-by-zero.
 617         (__umodsi3, __modsi3): Likewise.
 618
 619 2007-04-25  Dirk Mueller  <dmueller@suse.de>
 620
 621         * c-typeck.c (build_compound_expr): Annotate warning()
 622         call with OPT_Wunused_value.
 623         * tree-ssa.c (warn_uninit): Annotate warning with
 624         OPT_Wunintialized.
 625         * c-common.c (handle_sentinel_attribute): Annotate warning
 626         call with OPT_Wattributes.
 627
 628 2007-04-25  Thiemo Seufer  <ths@mips.com>
 629
 630         * config/mips/mips.opt (mdmx, mmt, mno-mdmx): New options.
 631         (mips16): Fix typo.
 632         * config/mips/mips.h (ASM_SPEC): Pass -mmt/-mno-mt and -mdmx/-mno-mdmx
 633         on to the assembler.  Improve handling of -mno-mips16.  Add handling
 634         of -mno-mips3d, -mno-dsp, -mno-dspr2.
 635         * doc/invoke.texi (MIPS Options): Whitespace cleanup.  Fix wrong use
 636         of @itemx.  Document -mno-dsp, -mno-dspr2, -mno-paired-single, -mdmx,
 637         -mno-mdmx, -mno-mips3d, -mmt and -mno-mt.
 638
 639 2007-04-25  Danny Smith  <dannysmith.users.sourceforge.net>
 640
 641         PR target/31680
 642         * config/i386/winnt.c (i386_pe_file_end): Strip only
 643         USER_LABEL_PREFIX when writing export name.
 644
 645 2007-04-25  Richard Sandiford  <richard@codesourcery.com>
 646
 647         * config.gcc (sh-wrs-vxworks): Don't include dbxelf.h.  Include
 648         sh/elf.h, vx-common.h and vxworks.h.
 649         * config/sh/sh.h: Include config/vxworks-dummy.h.
 650         (SUBTARGET_OVERRIDE_OPTIONS): Define.
 651         (OVERRIDE_OPTIONS): Use it.
 652         * config/sh/sh.md (GOTaddr2picreg): Add suport for VxWorks RTPs.
 653         (vxworks_picreg): New pattern.
 654         * config/sh/vxworks.h (TARGET_OS_CPP_BUILTINS): Use
 655         VXWORKS_OS_CPP_BUILTINS.
 656         (LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine
 657         to their VXWORKS_* equivalents.
 658         (SUBTARGET_OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
 659         (SUBTARGET_LINK_EMUL_SUFFIX, FUNCTION_PROFILER): Define.
 660         * config/sh/lib1funcs.asm (NO_FPSCR_VALUES): Define for VxWorks PIC.
 661         (set_fpscr, ic_invalidate): Add VxWorks PIC sequences.
 662         * config/sh/t-vxworks (MULTILIB_OPTIONS): Add m4a, -mrtp and
 663         -mrtp/-fPIC multilibs.
 664         (MULTILIB_EXCEPTIONS): Generalize globs accordingly.
 665         (MULTILIB_MATCHES, EXTRA_MULTILIB_PARTS): Define.
 666         (MULTILIB_OSDIRNAMES): Delete.
 667
 668 2007-04-25  Anatoly Sokolov <aesok@post.ru>
 669
 670         PR target/18989
 671         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
 672
 673 2007-04-24  Brooks Moses  <brooks.moses@codesourcery.com>
 674
 675         * real.c (mpfr_from_real): Handle Inf and NaN, and allow the
 676         rounding mode to be specified by the caller.
 677         (real_to_mpfr) Likewise.
 678         * real.h: Update mpfr_from_real, mpfr_to_real prototypes to
 679         include new arguments.
 680         * builtins.c: Update mpfr_from_real, mpfr_to_real calls.
 681
 682 2007-04-24  Ian Lance Taylor  <iant@google.com>
 683
 684         PR tree-optimization/31605
 685         * tree-vrp.c (set_value_range): Check that min and max are not
 686         both overflow infinities.
 687         (set_value_range_to_value): New static function.
 688         (extract_range_from_binary_expr): Call set_value_range_to_value.
 689         (extract_range_from_cond_expr): Likewise.
 690         (extract_range_from_expr): Likewise.
 691         (extract_range_from_unary_expr): Likewise.  Don't create a range
 692         which overflows on both sides.
 693         (vrp_meet): Check for a useless range.
 694         (vrp_visit_phi_node): If we see a constant which looks like an
 695         overflow infinity, turn off the TREE_OVERFLOW flag.
 696
 697 2007-04-24  Ian Lance Taylor  <iant@google.com>
 698
 699         * flow.c (elim_reg_cond): Handle a comparison of a subreg.
 700
 701 2007-04-24  Simon Martin  <simartin@users.sourceforge.net>
 702
 703         PR diagnostic/25923
 704         * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
 705         diagnostic message is being built.
 706         * tree-pretty-print.c (dump_generic_node): Only write the
 707         formatted text into BUFFER's stream if we are not building a
 708         diagnostic message.
 709         * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
 710         dump_generic_node.
 711         * Makefile.in (toplev.o): Depend on tree-pass.h.
 712
 713 2007-04-24  Ian Lance Taylor  <iant@google.com>
 714
 715         PR tree-optimization/31602
 716         * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
 717         conditionals in the copied loop header.
 718         * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
 719         warnings if TREE_NO_WARNING is set.
 720         * doc/invoke.texi (Warning Options): Clarify that
 721         -Wstrict-overflow does not warn about loops.
 722
 723 2007-04-24  Janis Johnson  <janis187@us.ibm.com>
 724
 725         * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
 726         expand on the comment about _Decimal128 arguments and check the
 727         integer result of the modulus operation; for 64-bit ELF ABI, ensure
 728         that _Decimal128 argument uses even/odd register pair.
 729         (function_arg): Ditto.
 730
 731 2007-04-24  Hui-May Chang <hm.chang@apple.com>
 732
 733         * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
 734         instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
 735
 736 2007-04-24  Richard Guenther  <rguenther@suse.de>
 737             Olga Golovanevsky  <olga@il.ibm.com>
 738
 739         * fold-const.c (multiple_of_p): Check for bottom
 740         to be zero.
 741
 742 2007-04-24  Richard Henderson  <rth@redhat.com>
 743
 744         * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from
 745         IS_IBM_EXTENDED.  Also define in terms of WIDEST_HARDWARE_FP_SIZE.
 746         * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
 747         looking for non-zero bits shifted out.  Avoid a recursive call
 748         when constructing the scalar.
 749         (__floatundisf): Likewise.
 750
 751 2007-04-24  Nathan Froyd  <froydnj@codesourcery.com>
 752
 753         * dwarf2out.c (field_byte_offset): Move the existing logic
 754         under the control of PCC_BITFIELD_TYPE_MATTERS and just use
 755         the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
 756
 757 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
 758
 759         PR target/31641
 760         * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant length
 761         argument of 0 for memset.
 762         (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
 763         unsigned shift instead of the signed variant.
 764
 765 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
 766
 767         * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
 768         "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
 769         "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
 770         "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
 771         "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
 772         "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
 773         "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
 774         "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
 775         "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
 776         ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
 777         "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
 778         "mul<mode>3", "div<mode>3"): Insn definitions added.
 779         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
 780         "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
 781         to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
 782         ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
 783         "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
 784         "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
 785         ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
 786         * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
 787         TARGET_FLOAT_FORMAT): Macro definitions removed.
 788         (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
 789         * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
 790         z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
 791         (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
 792         (s390_gen_rtx_const_DI): Function removed.
 793         * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
 794
 795 2007-04-24  Richard Sandiford  <richard@codesourcery.com>
 796
 797         * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
 798         over an external ffs function.
 799
 800 2007-04-24  Chao-ying Fu  <fu@mips.com>
 801             Richard Sandiford  <richard@nildram.co.uk>
 802
 803         * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
 804         * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
 805         (smadd_widen_optab, umadd_widen_optab): Define.
 806         * optabs.c (init_optabs): Initialize smadd_widen_optab and
 807         umadd_widen_optab.
 808         * genopinit.c (optabs): Fill in smadd_widen_optab and
 809         umadd_widen_optab.
 810         * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
 811         and umadd_widen_optab to implement multiply-add sequences.
 812         * config/mips/mips.md (*<su>mul_acc_di): Rename to...
 813         (<u>maddsidi4): ...this.  Extend condition to include
 814         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
 815         of operand 0 to "ka" and use the three-operand form of madd<u>
 816         for TARGET_DSPR2.
 817         * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
 818         to define_expands.
 819         * config/mips/constraints.md (ka): New register constraint.
 820
 821 2007-04-24  Jan Hubicka  <j@suse.cz>
 822
 823         Revert:
 824
 825         2007-04-23  Jan Hubicka  <jh@suse.cz>
 826         * function.c (init_function_start): Don't init line number info.
 827         (expand_function_end): Update.
 828         (reset_block_changes, record_block_change, finalize_block_changes,
 829         check_block_change, free_block_changes): Kill.
 830         * function.h (reset_block_changes, record_block_change,
 831         finalize_block_changes, check_block_change, free_block_changes): Remove
 832         prototypes.
 833         (struct function): Remove ib_boundaries_block.
 834         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
 835         Use curr_insn_locator to initialize locator.
 836         (emit_line_note): Remove.
 837         * cfgexpand.c (expand_gimple_cond_expr): Update.
 838         (construct_exit_block): Likewise.
 839         (tree_expand_cfg): Initialize/finalize locators.
 840         * expr.c (expand_expr_real): Update.
 841         * cfglayout.c (line_locators_locs, line_locators_lines,
 842         file_locators_locs, file_locators_files): Remove.
 843         (set_block_levels): Move to cfgexpand.c.
 844         (insn_locators_initialize): Remove.
 845         (pass_insn_locators_initialize): Remove.
 846         (locations_locators_locs, locations_locators_vals): New static vars.
 847         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
 848         Likewise.
 849         (insn_locators_alloc, insn_locators_finalize,
 850         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
 851         New functions.
 852         (locator_location): New.
 853         (locator_line, locator_file): Rewrite.
 854         * rtl.h (emit_line_note): Kill.
 855         (insn_locators_alloc, insn_locators_finalize,
 856         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
 857         Declare.
 858         * tree-inline.c (initialize_cfun): Do not initialize
 859         ib_boundaries_block.
 860         * passes.c (pass_insn_locators_initialize): Remove.
 861
 862 2007-04-24  Daniel Franke  <franke.daniel@gmail.com>
 863
 864         * doc/invoke.texi: Removed leading '-' from option index entries.
 865
 866 2007-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
 867
 868         * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
 869         Use phi_nodes_ptr.
 870         (create_phi_node): Use set_phi_nodes.
 871         * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
 872         * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
 873         (combine_blocks):  Use bb_stmt_list and set_bb_stmt_list.
 874         * tree-flow-inline.h (phi_nodes, set_phi_nodes,
 875         (bsi_start, bsi_last): Use bb_stmt_list.
 876         (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
 877         * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
 878         Traverse the statements using tsi iterator.
 879         * basic-block.h (struct basic_block_def): Fields stmt_list
 880         and phi_nodes moved to ...
 881         (struct tree_bb_info): ... new structure.
 882         * tree-cfg.c (create_bb): Allocate il.tree.  Use set_bb_stmt_list.
 883         (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
 884         (remove_bb): Handle blocks with NULL stmt list.  Clear il.tree field.
 885         (tree_verify_flow_info): Verify that il.tree is not set for
 886         entry and exit block.
 887         (tree_split_block): Use set_bb_stmt_list.
 888
 889 2007-04-23  Mike Stump  <mrs@apple.com>
 890
 891         * config/i386/i386.c (ix86_tune_features
 892         [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
 893         nocona and core2.
 894
 895 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
 896
 897         * config/i386/i386.md (prefix_extra): New attribute.
 898         (length): Add prefix_extra.
 899
 900         * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
 901         (sse2_movntv2di): Likewise.
 902         (sse2_cvtps2dq): Likewise.
 903         (sse2_cvtpd2pi): Likewise.
 904         (sse2_cvttpd2pi): Likewise.
 905         (*sse2_cvtpd2ps): Likewise.
 906         (*add<mode>3): Likewise.
 907         (sse2_ssadd<mode>3): Likewise.
 908         (sse2_usadd<mode>3): Likewise.
 909         (*sub<mode>3): Likewise.
 910         (sse2_sssub<mode>3): Likewise.
 911         (sse2_ussub<mode>3): Likewise.
 912         (*mulv8hi3): Likewise.
 913         (*smulv8hi3_highpart): Likewise.
 914         (*umulv8hi3_highpart): Likewise.
 915         (sse2_umulv2siv2di3): Likewise.
 916         (sse2_pmaddwd): Likewise.
 917         (ashr<mode>3): Likewise.
 918         (lshr<mode>3): Likewise.
 919         (ashl<mode>3): Likewise.
 920         (sse2_ashlti3): Likewise.
 921         (sse2_lshrti3): Likewise.
 922         (*umaxv16qi3): Likewise.
 923         (*smaxv8hi3): Likewise.
 924         (*uminv16qi3): Likewise.
 925         (*sminv8hi3): Likewise.
 926         (sse2_eq<mode>3): Likewise.
 927         (sse2_gt<mode>3): Likewise.
 928         (*and<mode>3): Likewise.
 929         (sse2_nand<mode>3): Likewise.
 930         (*ior<mode>3): Likewise.
 931         (*xor<mode>3): Likewise.
 932         (sse2_packsswb): Likewise.
 933         (sse2_packssdw): Likewise.
 934         (sse2_packuswb): Likewise.
 935         (sse2_punpckhbw): Likewise.
 936         (sse2_punpcklbw): Likewise.
 937         (sse2_punpckhwd): Likewise.
 938         (sse2_punpcklwd): Likewise.
 939         (sse2_punpckhdq): Likewise.
 940         (sse2_punpckldq): Likewise.
 941         (sse2_punpckhqdq): Likewise.
 942         (sse2_punpcklqdq): Likewise.
 943         (*sse2_pinsrw): Likewise.
 944         (*sse2_pextrw): Likewise.
 945         (sse2_pshufd_1): Likewise.
 946         (sse2_uavgv16qi3): Likewise.
 947         (sse2_uavgv8hi3): Likewise.
 948         (sse2_psadbw): Likewise.
 949         (sse2_pmovmskb): Likewise.
 950         (*sse2_maskmovdqu): Likewise.
 951         (*sse2_maskmovdqu_rex64): Likewise.
 952         (sse4a_extrqi): Likewise.
 953         (sse4a_extrq): Likewise.
 954         (sse3_lddqu): Set prefix_rep.
 955         (sse3_addsubv4sf3): Likewise.
 956         (sse3_haddv4sf3): Likewise.
 957         (sse3_hsubv4sf3): Likewise.
 958         (sse_cvtss2si): Likewise.
 959         (sse_cvtss2si_2): Likewise.
 960         (sse_cvtss2siq): Likewise.
 961         (sse_cvtss2siq_2): Likewise.
 962         (sse_cvttss2si): Likewise.
 963         (sse_cvttss2siq): Likewise.
 964         (sse2_cvttps2dq): Likewise.
 965         (sse3_movshdup): Likewise.
 966         (sse3_movsldup): Likewise.
 967         (sse2_cvtsd2si): Likewise.
 968         (sse2_cvtsd2si_2): Likewise.
 969         (sse2_cvtsd2siq): Likewise.
 970         (sse2_cvtsd2siq_2): Likewise.
 971         (sse2_cvttsd2si): Likewise.
 972         (sse2_cvttsd2siq): Likewise.
 973         (*sse2_cvtpd2dq): Likewise.
 974         (*sse2_cvttpd2dq): Likewise.
 975         (sse2_pshuflw_1): Likewise.
 976         (sse2_pshufhw_1): Likewise.
 977         (sse4a_insertqi): Likewise.
 978         (sse4a_insertq): Likewise.
 979         (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
 980         (ssse3_phadddv4si3): Likewise.
 981         (ssse3_phaddswv8hi3): Likewise.
 982         (ssse3_phsubwv8hi3): Likewise.
 983         (ssse3_phsubdv4si3): Likewise.
 984         (ssse3_phsubswv8hi3): Likewise.
 985         (ssse3_pmaddubswv8hi3): Likewise.
 986         (ssse3_pmulhrswv8hi3): Likewise.
 987         (ssse3_pshufbv16qi3): Likewise.
 988         (ssse3_psign<mode>3): Likewise.
 989         (ssse3_palignrti): Likewise.
 990         (abs<mode>2): Likewise.
 991         (ssse3_phaddwv4hi3): Set prefix_extra.
 992         (ssse3_phadddv2si3): Likewise.
 993         (ssse3_phaddswv4hi3): Likewise.
 994         (ssse3_phsubwv4hi3): Likewise.
 995         (ssse3_phsubdv2si3): Likewise.
 996         (ssse3_phsubswv4hi3): Likewise.
 997         (ssse3_pmaddubswv4hi3): Likewise.
 998         (ssse3_pmulhrswv4hi3): Likewise.
 999         (ssse3_pshufbv8qi3): Likewise.
1000         (ssse3_psign<mode>3): Likewise.
1001         (ssse3_palignrdi): Likewise.
1002         (abs<mode>2): Likewise.
1003         (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
1004         (*vec_dupv2df): Set mode to V2DF instead of V4SF.
1005         (sse2_pmovmskb): Set mode to SI instead of V2DF.
1006
1007 2007-04-23  Nick Clifton  <nickc@redhat.com>
1008
1009         * params.def: Fix formatting of emacs local variables.
1010
1011 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
1012
1013         * config/i386/sse.md (sse2_stored): Don't split to inter-unit
1014         move if inter-unit move isn't allowed.
1015         Don't split moving the first element of V2DI to DI to inter-unit
1016         move if inter-unit move isn't allowed.
1017
1018 2007-04-23  Richard Guenther  <rguenther@suse.de>
1019
1020         * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
1021         and CDI_POST_DOMINATORS separately.
1022
1023 2007-04-23  Nick Clifton  <nickc@redhat.com>
1024
1025         * c.opt (Wformat-contains-nul): Add warning attribute.
1026
1027 2007-04-23  Jan Hubicka  <jh@suse.cz>
1028
1029         * function.c (init_function_start): Don't init line number info.
1030         (expand_function_end): Update.
1031         (reset_block_changes, record_block_change, finalize_block_changes,
1032         check_block_change, free_block_changes): Kill.
1033         * function.h (reset_block_changes, record_block_change,
1034         finalize_block_changes, check_block_change, free_block_changes): Remove
1035         prototypes.
1036         (struct function): Remove ib_boundaries_block.
1037         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
1038         Use curr_insn_locator to initialize locator.
1039         (emit_line_note): Remove.
1040         * cfgexpand.c (expand_gimple_cond_expr): Update.
1041         (construct_exit_block): Likewise.
1042         (tree_expand_cfg): Initialize/finalize locators.
1043         * expr.c (expand_expr_real): Update.
1044         * cfglayout.c (line_locators_locs, line_locators_lines,
1045         file_locators_locs, file_locators_files): Remove.
1046         (set_block_levels): Move to cfgexpand.c.
1047         (insn_locators_initialize): Remove.
1048         (pass_insn_locators_initialize): Remove.
1049         (locations_locators_locs, locations_locators_vals): New static vars.
1050         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
1051         Likewise.
1052         (insn_locators_alloc, insn_locators_finalize,
1053         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1054         New functions.
1055         (locator_location): New.
1056         (locator_line, locator_file): Rewrite.
1057         * rtl.h (emit_line_note): Kill.
1058         (insn_locators_alloc, insn_locators_finalize,
1059         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1060         Declare.
1061         * tree-inline.c (initialize_cfun): Do not initialize
1062         ib_boundaries_block.
1063         * passes.c (pass_insn_locators_initialize): Remove.
1064
1065 2007-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1066
1067         PR middle-end/31448
1068         * expr.c (reduce_to_bit_field_precision): Handle
1069         CONST_INT rtx's.
1070
1071 2007-04-22  Uros Bizjak  <ubizjak@gmail.com>
1072
1073         PR tree-optimization/24659
1074         * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
1075         OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
1076         (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
1077         * genopinit.c (optabs): Rename vec_pack_mod_optab
1078         to vec_pack_trunc_optab.
1079         * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
1080         early for scalar floating point operands for NOP_EXPR.
1081         (vectorizable_type_promotion): Ditto.
1082         * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
1083         vec_pack_trunc_optab.
1084         (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
1085
1086         * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
1087         * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
1088         Rename from VEC_PACK_MOD_EXPR.
1089         (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
1090         * expr.c (expand_expr_real_1): Ditto.
1091         * tree-inline.c (estimate_num_insns_1): Ditto.
1092         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
1093
1094         * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
1095         (vec_unpacks_lo_v4sf): Ditto.
1096         (vec_pack_trunc_v2df): Ditto.
1097         (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
1098         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
1099         (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
1100
1101         * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
1102         vec_pack_mod_v8hi.
1103         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
1104
1105         * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
1106         Rename from VEC_PACK_MOD_EXPR.  This expression also represent
1107         packing of floating point operands.
1108         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
1109         represent unpacking of floating point operands.
1110         * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
1111         [vec_unpacks_hi]: Ditto.
1112         [vec_unpacks_lo]: Ditto.
1113
1114 2007-04-22  Jan Hubicka  <jh@suse.cz>
1115
1116         * final.c (rest_of_handle_final): Call
1117         targetm.asm_out.constructor/targetm.asm_out.destructor
1118         * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
1119         proper priority via decl_*_priority_insert.
1120         * c-common.c (c_expand_body): Likewise.
1121
1122 2007-04-22  Richard Guenther  <rguenther@suse.de>
1123
1124         PR tree-optimization/29789
1125         * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
1126         (rewrite_reciprocal): New helper split out from
1127         determine_invariantness_stmt.
1128         (rewrite_bittest): Likewise.
1129         (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
1130         A & (1 << B) if (1 << B) is loop invariant but (A >> B)
1131         is not.
1132
1133 2007-04-22  Revital Eres  <eres@il.ibm.com>
1134
1135         * loop-unroll.c (var_to_expand): New field to support also
1136         insns of the form x = something + x.
1137         (analyze_insn_to_expand_var): Use it.
1138         (expand_var_during_unrolling): Likewise.
1139
1140 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
1141
1142         * predict.c: Include pointer-set.h.
1143         (bb_predictions): New variable.
1144         (tree_predicted_by_p, tree_predict_edge,
1145         remove_predictions_associated_with_edge): Use bb_predictions map
1146         instead of bb->predictions.
1147         (clear_bb_predictions, assert_is_empty): New functions.
1148         (combine_predictions_for_bb): Use bb_predictions map.  Call
1149         clear_bb_predictions.
1150         (tree_estimate_probability): Create and free bb_predictions map.
1151         * Makefile.in (predict.o): Add pointer-set.h dependency.
1152         * basic-block.h (struct basic_block_def): Remove predictions
1153         field.
1154         * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
1155
1156 2007-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
1157
1158         PR target/31480
1159         * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
1160         is null.
1161
1162 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1163
1164         * timevar.c (timevar_print): Change reference of --disable-checking to
1165         --enable-checking=release.  Also warn if assert checking is disabled.
1166
1167 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1168
1169         PR C/30265
1170         * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
1171         decl as addressable if the compound literal was marked as
1172         addressable.
1173         Mark the decl as a gimple register if it is a complex or
1174         vector decl and does not live in memory.
1175
1176 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1177
1178         * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
1179         (GENERIC_NEXT): New function macro.
1180         (PHI_CHAIN): Use phi_node's new chain variable.
1181         (tree_phi_node): Change tree_common to tree_base
1182         and add the chain field.
1183         * tree-phinodes.c (make_phi_node): Don't set
1184         TREE_TYPE on the new node.
1185         * c-decl.c (lang_tree_node): Use GENERIC_NEXT
1186         instead of checking GIMPLE_TUPLE_P in chain_next.
1187         * tree-vect-transform.c
1188         (get_initial_def_for_induction): Look at
1189         PHI_RESULT_TREE for the type of the phi node.
1190         (update_vuses_to_preheader): Use PHI_CHAIN
1191         instead of TREE_CHAIN on the phi node.
1192         * tree-ssa-structalias.c (compute_points_to_sets):
1193         Likewise.
1194         (ipa_pta_execute): Likewise.
1195
1196 2007-04-21  Richard Guenther  <rguenther@suse.de>
1197
1198         PR middle-end/31136
1199         * fold-const.c (fold_unary): Call fold_convert_const on the
1200         original tree.
1201
1202 2007-04-21  Alexandre Oliva  <aoliva@redhat.com>
1203
1204         * gcse.c (store_killed_in_insn): Handle PARALLELs.
1205         (store_killed_in_pat): New.
1206
1207 2007-04-20  Richard Henderson  <rth@redhat.com>
1208
1209         PR target/31628
1210         * config/i386/i386.c (type_has_variadic_args_p): Look for any
1211         TREE_LIST with a void_type_node value, not void_list_node exactly.
1212
1213 2007-04-21  Douglas Gregor  <doug.gregor@gmail.com>
1214
1215         * doc/standards.texi: Re-arrange into language-specific
1216         subsections. Add a C++ section, documenting which standards we
1217         support.
1218
1219 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
1220
1221         * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
1222         * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
1223
1224 2007-04-20  Daniel Jacobowitz  <dan@codesourcery.com>
1225
1226         * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
1227         ecrti.o and crtbegin.o.
1228         (LIB_DEFAULT_SPEC): Include -lc.
1229         (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
1230
1231 2007-04-20  Richard Henderson  <rth@redhat.com>
1232
1233         PR target/28623
1234         * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
1235         argument; update all callers.
1236         (get_unaligned_offset): New.
1237         * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
1238         get_unaligned_address, just pass on the address directly.
1239         (unaligned_extendqidi): Use gen_lowpart instead of open-coding
1240         the subreg in the helper patterns.
1241         (unaligned_extendqidi_le): Use get_unaligned_offset.
1242         (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
1243         (unaligned_extendhidi_be): Likewise.
1244         (unaligned_extendhidi): Tidy.
1245         * config/alpha/alpha-protos.h: Update.
1246
1247 2007-04-20  Richard Henderson  <rth@redhat.com>
1248
1249         * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
1250         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
1251         * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
1252         * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1253         * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1254         (CPP_SPEC): Don't include %(cpp_subtarget).
1255         * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
1256         (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1257         * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
1258
1259 2007-04-20  Jakub Jelinek  <jakub@redhat.com>
1260
1261         * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
1262         for __builtin_ia32_cmpordss.
1263
1264         PR tree-optimization/31632
1265         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
1266         and arg1 for optimizations of comparison against min/max values.
1267         Fold arg0 to arg1's type for optimizations of comparison against
1268         min+1 and max-1 values.
1269
1270 2007-04-19  Bernd Schmidt  <bernd.schmidt@analog.com>
1271
1272         * reload.c (combine_reloads): When trying to use a dying register,
1273         check whether it's uninitialized and don't use if so.
1274
1275 2007-04-19  Brooks Moses  <brooks.moses@codesourcery.com>
1276
1277         * fold-const.c: Remove prototypes for native_encode_expr and
1278         native_interpret_expr.
1279         (native_encode_expr): Make non-static.
1280         (native_interpret_expr): Likewise.
1281         * tree.h: Add prototypes for the above.
1282
1283 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
1284
1285         * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
1286         *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
1287         *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
1288         spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
1289         tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
1290         Add length attributes.
1291
1292 2007-04-19  Janis Johnson  <janis187@us.ibm.com>
1293
1294         * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
1295         not that it is 1.
1296
1297         * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
1298         __STDC_WANT_DEC_FP__.
1299
1300 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
1301
1302         * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
1303         for long double compatibility.
1304         * configure: Regenerate.
1305
1306 2007-04-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
1307
1308         PR rtl-optimization/29841
1309         * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
1310         trap instructions.
1311         * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
1312         that may cause control flow transfer from being moved.
1313
1314 2007-04-18  Jan Hubicka  <jh@suse.cz>
1315
1316         * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
1317         types.
1318
1319 2007-04-18  Eric Christopher  <echristo@apple.com>
1320
1321         * config/rs6000/darwin.md (load_macho_picbase): Use link register
1322         only. Update operands.
1323         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
1324         * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
1325         link register to pic register.
1326
1327 2007-04-18  Dirk Mueller  <dmueller@suse.de>
1328
1329         PR diagnostic/31227
1330         * tree-vrp.c (search_for_addr_array): New.
1331         (check_array_bounds): Suppress warning about
1332         address taken of array refs if its not de-referenced.
1333
1334 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1335
1336         * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
1337         * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
1338
1339         * tree-vectorizer.h (NITERS_KNOWN_P): New.
1340         * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
1341         instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
1342
1343         * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
1344         dump print.
1345         (vect_analyze_operations): Fix indenetation.  Fix a comment.  Fix a
1346         print message.
1347         (vect_analyze_scalar_cycles): Fix indentation.
1348         (vect_enhance_data_refs_alignment): Fix check in case of peeling.
1349         (vect_mark_relevant): Include phis in relevance analysis.
1350
1351         * tree-vect-transform.c (vect_transform_loop): Add an assert.
1352
1353 2007-04-18  Anatoly Sokolov <aesok@post.ru>
1354
1355         * config/avr/avr.c (ptrreg_to_str): Replace error() with
1356         output_operand_lossage().
1357
1358 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1359
1360         * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
1361         the unused code for reduction without adjust-in-epilog to simplify the
1362         function.
1363
1364 2007-04-18  Wolfgang Gellerich  <gellerich@de.ibm.com>
1365
1366         * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
1367         (S390_TDC_NEGATIVE_ZERO): New constant.
1368         (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
1369         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
1370         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
1371         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
1372         (S390_TDC_POSITIVE_INFINITY): New constant.
1373         (S390_TDC_NEGATIVE_INFINITY): New constant.
1374         (S390_TDC_POSITIVE_QUIET_NAN): New constant.
1375         (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
1376         (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
1377         (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
1378         (S390_TDC_INFINITY): New constant.
1379         * config/s390/s390.c (s390_canonicalize_comparison): Renamed
1380         UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
1381         optimization for UNSPEC_CCZ_TO_INT.
1382         * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
1383         ("*ccz_to_int"): New insn.
1384         ("isinf<mode>2"): New insn.
1385         (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
1386         (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
1387         (UNSPEC_CCZ_TO_INT): New constant.
1388
1389 2007-04-18  Richard Guenther  <rguenther@suse.de>
1390
1391         PR tree-optimization/19431
1392         PR tree-optimization/21463
1393         * tree-pass.h (pass_phiprop): Declare.
1394         * passes.c (init_optimization_passes): New phiprop pass.
1395         * tree-ssa-forwprop.c (struct phiprop_d): New structure.
1396         (phivn_valid_p): New helper function.
1397         (phiprop_insert_phi): Likewise.
1398         (propagate_with_phi): Likewise.
1399         (tree_ssa_phiprop): New propagator propagating loads
1400         through phi nodes if profitable.
1401
1402 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1403
1404         * tree-vect-analyze.c (process_use): New function.
1405         (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
1406         Check phis in all bbs.
1407         * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
1408         assert.
1409
1410 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
1411
1412         * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
1413         we use REG_EQUAL.
1414
1415 2007-04-17  Anatoly Sokolov <aesok@post.ru>
1416
1417         PR target/30483
1418         * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
1419         error().
1420
1421 2007-04-17  H.J. Lu  <hongjiu.lu@intel.com>
1422
1423         * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
1424         on "0".
1425         (sse_vmmulv4sf3): Likewise.
1426         (sse2_vmaddv2df3): Likewise.
1427         (sse2_vmmulv2df3): Likewise.
1428
1429 2007-04-17  Zdenek Dvorak  <dvorakz@suse.cz>
1430
1431         PR rtl-optimization/31360
1432         * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
1433         (target_reg_cost): New.
1434         (init_set_costs): Initialize target_reg_cost.  Add comments
1435         regarding the rationale of the costs.
1436         (global_cost_for_size): Renamed to...
1437         (estimate_reg_pressure_cost): ... and simplify.  Decrease importance
1438         of register pressure.
1439         * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
1440         estimate_reg_pressure_cost.  Add number of ivs.
1441         (determine_set_costs): Dump target_reg_cost.
1442         * loop-invariant.c (gain_for_invariant):  Use
1443         estimate_reg_pressure_cost.  Removed n_inv_uses argument.
1444         (best_gain_for_invariant, find_invariants_to_move): Remove
1445         n_inv_uses.
1446         * cfgloop.h (target_small_cost, target_pres_cost): Removed.
1447         (target_reg_cost): Declare.
1448         (global_cost_for_size): Declaration removed.
1449         (estimate_reg_pressure_cost): Declare.
1450
1451 2007-04-17  Peter Bergner  <bergner@vnet.ibm.com>
1452
1453         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
1454         regnos into even/odd register pairs.
1455         * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
1456         TDmode similar to the other floating point modes.
1457         [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
1458         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
1459         define_expand's.
1460         (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
1461         nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
1462         (movdd_hardfloat64): Use TARGET_MFPGPR.
1463
1464 2007-04-17  Bernd Schmidt  <bernd.schmidt@analog.com>
1465
1466         * reload1.c (delete_output_reload): Don't count output in n_inherited.
1467
1468         Revert
1469         2005-01-05  Richard Henderson  <rth@redhat.com>
1470         PR rtl-opt/10692
1471         * reload1.c (do_input_reload): Restrict the optimization deleteing
1472         a previous output reload to RELOAD_FOR_INPUT.
1473
1474 2007-04-17  Dorit Nuzman  <dorit@il.ibm.com>
1475
1476         * tree-vectorizer.h (stmt_vec_info_type): Add enum value
1477         induc_vec_info_type.
1478         (vectorizable_induction): New function declaration.
1479         * tree-vect-transform.c (get_initial_def_for_induction): No need to
1480         check if already vectorized.  Find first place in BB where new stmts
1481         can be inserted.  Takes only one argument.
1482         (vectorizable_induction): New function.
1483         (vect_transform_stmt): Add case for induc_vec_info_type to call
1484         vectorizable_induction.
1485         (vect_transform_loop): Consider phis for vectorization.
1486         * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
1487         condition.
1488         (analyze_operations): Call vectorizable_induction when analyzing phis.
1489         Fix comment.
1490         (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
1491         (vect_mark_relevant): Include phis in relevance analysis.
1492         (vect_mark_stmts_to_be_vectorize): Likewise.
1493         * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
1494
1495 2007-04-16  Lawrence Crowl  <crowl@google.com>
1496
1497         * doc/invoke.texi (Debugging Options): Add documentation for the
1498         -femit-struct-debug options -femit-struct-debug-baseonly,
1499         -femit-struct-debug-reduced, and
1500         -femit-struct-debug-detailed[=...].
1501
1502         * c-opts.c (c_common_handle_option): Add
1503         OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
1504         and OPT_femit_struct_debug_detailed_.
1505         * c.opt: Add specifications for
1506         -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
1507         and -femit-struct-debug-detailed[=...].
1508         * opts.c (set_struct_debug_option): Parse the
1509         -femit-struct-debug-... options.
1510         * opts.c (matches_main_base, main_input_basename,
1511         main_input_baselength, base_of_path, matches_main_base): Add
1512         variables and functions to compare header base name to compilation
1513         unit base name.
1514         * opts.c (should_emit_struct_debug): Add to determine to emit a
1515         structure based on the option.
1516         (dump_struct_debug) Also disabled function to debug this
1517         function.
1518         * opts.c (handle_options): Save the base name of the
1519         compilation unit.
1520
1521         * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
1522         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
1523         This hook indicates if a type is generic.  Set it by default
1524         to "never generic".
1525         * langhooks.h (struct lang_hooks_for_types): Add a new hook
1526         to determine if a struct type is generic or not.
1527         * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
1528         * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
1529         * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
1530         with live C++ hook.
1531
1532         * flags.h (enum debug_info_usage): Add an enumeration to describe
1533         a program's use of a structure type.
1534         * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
1535         to indicate the program's usage of the type.  Filter structs based
1536         on the -femit-struct-debug-... specification.
1537         (gen_type_die): Split into two routines, gen_type_die and
1538         gen_type_die_with_usage.  gen_type_die is now a wrapper
1539         that assumes direct usage.
1540         (gen_type_die_with_usage): Replace calls to gen_type_die
1541         with gen_type_die_with_usage adding the program usage of
1542         the referenced type.
1543         (dwarf2out_imported_module_or_decl): Suppress struct debug
1544         information using should_emit_struct_debug when appropriate.
1545
1546 2007-04-16  Ian Lance Taylor  <iant@google.com>
1547
1548         PR tree-optimization/31522
1549         * tree-vrp.c (vr_phi_edge_counts): New static variable.
1550         (vrp_initialize): Allocate vr_phi_edge_counts.
1551         (vrp_visit_phi_node): Don't push to infinity if we saw a new
1552         executable edge.  Drop test for all constants.
1553         (vrp_finalize): Free vrp_phi_edge_counts.
1554
1555         * doc/cpp.texi (Common Predefined Macros): Clarify description of
1556         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
1557
1558         * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
1559         predecessors at head rather than tail.
1560
1561 2007-04-16  Matthias Klose  <doko@debian.org>
1562
1563         * config/alpha/linux.h (CPP_SPEC): Define.
1564         * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
1565
1566 2007-04-16  Aldy Hernandez  <aldyh@redhat.com>
1567
1568         * function.h: Remove sequence_stack extern declaration.
1569
1570 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
1571
1572         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
1573         TARGET_FIDOA.
1574         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
1575         defined.
1576
1577 2007-04-16  Anatoly Sokolov <aesok@post.ru>
1578
1579         * config/avr/avr.c (avr_arch_types): Rearranging  array.
1580         (enum avr_arch): Add.
1581         (avr_mcu_types): Use avr_arch enumeration constants instead of
1582         numbers.
1583         * config/avr/avr.h (LINK_SPEC): Simplify.
1584
1585 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
1586
1587         * config/m68k/m68k.c (m68k_libcall_value,
1588         m68k_function_value): Use macros for register names more.
1589
1590         * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
1591         instead.
1592         (M68K_REGNAME): Use A6_REG.
1593         * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
1594
1595 2007-04-16  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
1596
1597         PR middle-end/28071
1598         * sched-int.h (struct deps): Split field 'pending_lists_length' into
1599         'pending_read_list_length' and 'pending_write_list_length'.  Update
1600         comment.
1601         * sched-deps.c (add_insn_mem_dependence): Change signature.  Update
1602         to handle two length counters instead of one.  Update all uses.
1603         (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
1604         two length counters instead of one.
1605         * sched-rgn.c (propagate_deps): Update to handle two length counters
1606         instead of one.
1607
1608 2007-04-16  H.J. Lu  <hongjiu.lu@intel.com>
1609
1610         PR target/31582
1611         * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
1612         copy of source, pass it to ix86_expand_vector_set and return
1613         it as target.
1614
1615 2007-04-16  David Ung  <davidu@mips.com>
1616             Joseph Myers  <joseph@codesourcery.com>
1617
1618         * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
1619         PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
1620         * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
1621         Add 74K processor information.
1622         * config/mips/mips.md: Include 74k.md.
1623         (cpu): Add 74kc,74kf,74kx.
1624         (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
1625         * config/mips/74k.md: New.
1626         * doc/invoke.texi (MIPS Options): Document 74K support.
1627
1628 2007-04-16  Dorit Nuzman  <dorit@il.ibm.com>
1629
1630         * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
1631         vectorizable_* functions.
1632         * tree-vect-transform.c (vectorizable_call): Add check for
1633         STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
1634         (vectorizable_store): likewise.
1635         (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
1636         Add comments.
1637         (vectorizable_operation, vectorizable_type_demotion): Likewise.
1638         (vectorizable_type_promotion, vectorizable_load): Likewise.
1639         (vectorizable_live_operation, vectorizable_condition): Likewise.
1640         (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
1641         STMT_VINFO_LIVE_P.
1642         (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
1643
1644 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
1645
1646         * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
1647         register numbers more.
1648         * config/m68k/m68k.h (STACK_POINTER_REGNUM,
1649         FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
1650         M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
1651         FUNCTION_VALUE_REGNO_P): Likewise.
1652         * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
1653         STATIC_CHAIN_REGNUM): Likewise.
1654         * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
1655         * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
1656         STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
1657         * config/m68k/m68k.md (FP_REG): New.
1658
1659 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
1660
1661         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
1662         alignment on fido.
1663
1664 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
1665
1666         * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
1667         tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
1668         comment typos.
1669
1670 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
1671
1672         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
1673         cold loops.
1674
1675 2007-04-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1676
1677         PR c/31520
1678         * c-decl.c (finish_decl): Grab the type of the decl after the call
1679         to store_init_value.
1680
1681 2007-04-14  Steven Bosscher  <steven@gcc.gnu.org>
1682
1683         * common.opt (fforward-propagate): Fix "Optimization" annotation.
1684
1685 2007-04-14  Jakub Jelinek  <jakub@redhat.com>
1686
1687         PR c++/25874
1688         * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
1689         post dominators and cleanup cfg before returning.
1690
1691 2007-04-14  Bernd Schmidt  <bernd.schmidt@analog.com>
1692
1693         * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
1694         * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
1695
1696 2007-04-14  Kazu Hirata  <kazu@codesourcery.com>
1697
1698         * config.gcc: Recognize fido.
1699         * config/m68k/m68k-devices.def (fidoa): New.
1700         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
1701         __mfido__.
1702         (FL_FIDOA, TARGET_FIDOA): New.
1703         * config/m68k/m68k.opt (mfidoa): New.
1704
1705 2007-04-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1706
1707         PR middle-end/31322
1708         * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
1709         when a personality function is used.
1710
1711 2007-04-13  Bob Wilson  <bob.wilson@acm.org>
1712
1713         * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
1714
1715 2007-04-13  Mike Stump  <mrs@apple.com>
1716
1717         * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
1718         we can...
1719         * config/darwin.opt (fapple-kext): Make C++ only.
1720         * config/darwin.c (darwin_override_options): Remove code to ensure
1721         -fapple-kext is given for C++ only.
1722
1723 2007-04-13  Richard Sandiford  <richard@codesourcery.com>
1724
1725         * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
1726         * config/mips/mips.c (override_options): Call
1727         SUBTARGET_OVERRIDE_OPTIONS, if defined.
1728
1729 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1730
1731         * config/i386/i386.opt (msvr3-shlib): Removed.
1732
1733         * doc/invoke.texi: Remove -msvr3-shlib.
1734
1735 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1736
1737         * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
1738         with "popcnt" instruction.
1739
1740 2007-04-13  Richard Guenther  <rguenther@suse.de>
1741
1742         PR tree-optimization/21258
1743         * tree-vrp.c (compare_case_labels): New helper.
1744         (find_switch_asserts): New function.
1745         (find_assert_locations): Call it for SWITCH_EXPRs.
1746
1747 2007-04-13  Uros Bizjak  <ubizjak@gmail.com>
1748
1749         * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
1750         * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
1751         check is now implied in X87_FLOAT_MODE_P.
1752         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
1753         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
1754         (fix_trunc<mode>_i386_fisttp): Ditto.
1755         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
1756         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
1757         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
1758         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
1759         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
1760         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
1761         (unnamed_splitters): Ditto.
1762         * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
1763         for X87_FLOAT_MODE_P mode.  Override FIRST_FLOAT_REG with
1764         FIRST_SSE_REG for local functions when SSE math is enabled or
1765         for functions with sseregparm attribute.
1766         (standard_80387_constant_p): Return -1 if mode is not
1767         X87_FLOAT_MODE_P.
1768         (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
1769         (ix86_expand_compare): Ditto.
1770         (ix86_expand_carry_flag_compare): Ditto.
1771         (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
1772         of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
1773         DECIMAL_FLOAT_MODE_P.
1774         (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
1775         of SCALAR_FLOAT_MODE_P.
1776         (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
1777         [MINUS]: ... here.  Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
1778         checks before FLOAT_MODE_P.
1779         [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
1780         before FLOAT_MODE_P.
1781         [DIV]: Ditto.
1782         [NEG]: Ditto.
1783         [ABS]: Ditto.
1784         [SQRT]: Ditto.
1785         [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
1786
1787 2007-04-12  Paolo Bonzini  <bonzini@gnu.org>
1788             Charles Wilson  <libtool@cwilson.fastmail.fm>
1789
1790         * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
1791         (libgcc.mvars): Don't depend on them.
1792         * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
1793         * exec-tool.in: New.
1794
1795 2007-04-12  Brooks Moses  <brooks.moses@codesourcery.com>
1796
1797         * doc/invoke.text (--help): Document --help=common.
1798
1799 2007-04-12  Thomas Neumann  <tneumann@users.sourceforge.net>
1800
1801         * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
1802
1803 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1804
1805         * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
1806         * genemit.c (main): Emit #include "integrate.h".
1807         * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
1808         (LOADGP_RTP): New mips_loadgp_style.
1809         * config/mips/mips.h: Include config/vxworks-dummy.h.
1810         (TARGET_RTP_PIC): New macro.
1811         (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
1812         (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
1813         (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
1814         for TARGET_RTP_PIC.
1815         * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define.  Pass down
1816         -mvxworks-pic when using -mrtp and a PIC option.
1817         * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
1818         for RTP PIC.
1819         (mips_symbolic_constant_p, mips_symbolic_address_p)
1820         (mips_symbol_insns): Handle SYMBOL_HALF.
1821         (override_options): Warn about -G and -mrtp being used together.
1822         Initialize mips_lo_relocs[SYMBOL_HALF].
1823         (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
1824         (mips_emit_loadgp): Handle LOADGP_RTP.
1825         (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
1826         * config/mips/mips.md (loadgp_rtp): New insn and splitter.
1827         (tablejump): Handle function-relative case table entries if
1828         TARGET_RTP_PIC.
1829         * config/mips/predicates.md (symbol_ref_operand): New predicate.
1830
1831 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1832
1833         * config/mips/mips.md (load_call<mode>): Allow any general register.
1834         destination.
1835         (sibcall_value_internal, sibcall_value_multiple_internal)
1836         (call_value_internal, call_value_split, call_value_multiple_internal)
1837         (call_value_multiple_split): Remove constraints from operand 0.
1838
1839 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1840
1841         * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
1842         rather than loadgp_noshared.
1843         * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
1844         instead of gen_loadgp_noshared.  Use gen_loadgp_newabi instead of
1845         gen_loadgp.
1846         * config/mips/mips.md (loadgp): Rename to...
1847         (loadgp_newabi): ...this.
1848         (loadgp_noshared): Rename to...
1849         (loadgp_absolute): ...this.
1850
1851 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1852
1853         * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
1854         false for locally-binding symbols.
1855         (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
1856
1857 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1858
1859         * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
1860         (SYMBOL_GOT_PAGE_OFST): ...this.
1861         (SYMBOL_GOT_GLOBAL): Rename to...
1862         (SYMBOL_GOT_DISP): ...this.
1863         (SYMBOL_GOTOFF_GLOBAL): Rename to...
1864         (SYMBOL_GOTOFF_DISP): ...this.  Update comments accordingly.
1865         * config/mips/mips.c (mips_global_symbol_p): New function.
1866         (mips_symbol_binds_local_p): Likewise.
1867         (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
1868         and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST.  Use mips_global_symbol_p
1869         and mips_symbol_binds_local_p.
1870         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
1871         (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
1872         SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
1873         SYMBOL_GOTOFF_DISP.
1874         (mips_ok_for_lazy_binding_p): New function.
1875         (mips_load_call_address, mips_expand_call): Use it.
1876         (mips_dangerous_for_la25_p): Likewise.
1877         * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
1878         (*got_disp<mode>): Use got_disp_operand instead of
1879         global_got_operand.  Use SYMBOL_GOTOFF_DISP instead of
1880         SYMBOL_GOTOFF_GLOBAL.
1881         (*got_page<mode>): Use got_page_ofst_operand instead of
1882         local_got_operand.
1883         * config/mips/predicates.md (const_call_insn_operand): Use
1884         SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
1885         (global_got_operand): Rename to...
1886         (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
1887         SYMBOL_GOT_GLOBAL.
1888         (local_got_operand): Rename to...
1889         (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
1890         of SYMBOL_GOT_LOCAL.
1891
1892 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1893
1894         * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
1895         TARGET_CALL_CLOBBERED_GP.
1896         (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1897         (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
1898         (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
1899         (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
1900         of TARGET_ABICALLS && !TARGET_NEWABI.
1901         (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1902         * config/mips/mips.c (mips_load_call_address): Check
1903         TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
1904         (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1905         Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
1906         (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
1907         TARGET_ABICALLS && TARGET_NEWABI.
1908         (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
1909         TARGET_ABICALLS.
1910         (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
1911         (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
1912         TARGET_ABICALLS && TARGET_NEWABI.
1913         (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
1914         TARGET_ABICALLS.  Check TARGET_CALL_SAVED_GP instead of
1915         TARGET_NEWABI.  Use TARGET_USE_PIC_FN_ADDR_REG to decide
1916         whether indirect calls must use $25.
1917         (mips_extra_live_on_entry): Check TARGET_GOT instead of
1918         TARGET_ABICALLS.
1919         * config/mips/mips.md (jal_macro): Check flag_pic and
1920         TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
1921         (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
1922         instead of TARGET_ABICALLS.
1923         (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
1924         TARGET_ABICALLS && TARGET_OLDABI.
1925         (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1926         (sibcall): In the comment above the define_insn, mention
1927         TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
1928         * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
1929         instead of TARGET_ABICALLS.
1930
1931 2007-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
1932
1933         * doc/md.texi (Blackfin family constraints): Document PA and PB.
1934         * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
1935         (MACFLAGS_MATCH_P): New macro.
1936         * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
1937         (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
1938         * config/bfin/bfin.md (MACFLAG_IS_M): New constant.  Renumber some of
1939         the other MACFLAG constants.
1940         (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
1941         (flag_machi): Tighten constraints.  Renumber some of the operands.
1942         (flag_machi_acconly): Tighten constraints.  Correct operand numbers in
1943         output template.
1944         (flag_machi_parts_acconly): New pattern.
1945         (flag_macinithi): Tighten constraints.  Allow any accumulator to be
1946         used.
1947         (flag_macinit1hi): Tighten constraints.
1948         (flag_mul_macv2hi_parts_acconly): New pattern.
1949
1950         * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
1951         Use a more efficient implementation.
1952         * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
1953         inline sequences when not optimizing for size.
1954
1955         * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
1956         movhi_high2low): Delete, merge functionality into...
1957         (packv2hi): ... this pattern.
1958
1959         2007-02-11  Jie Zhang  <jie.zhang@analog.com>
1960         * config/bfin/bfin.opt (msim): New option.
1961         (mcpu=): New option.
1962         * config/bfin/bfin-protos.h (enum bfin_cpu): New.
1963         (bfin_cpu_t): Typedef of enum bfin_cpu.
1964         (bfin_cpu_type): New declaration.
1965         * config/bfin/elf.h (STARTFILE_SPEC): Add support for
1966         -msim and -mcpu= options.
1967         (LIB_SPEC): Likewise.
1968         * config/bfin/bfin.c (bfin_cpu_type): Define.
1969         (bfin_handle_option): Handle -mcpu= option.
1970         * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
1971         (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
1972         __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
1973
1974 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1975
1976         * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
1977         (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
1978         (powerpc-wrs-vxworksae): Use ${tm_file}.
1979         (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
1980         after elfos.h.  Remove i386/sysv4.h and add i386/vx-common.h.
1981         * config/i386/vx-common.h: New file.
1982
1983 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1984
1985         * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
1986         of crt0.o%s.
1987
1988 2007-04-12  Andreas Krebbel  <krebbel1@de.ibm.com>
1989
1990         * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
1991         ldxtr.
1992
1993 2007-04-12  Douglas Gregor  <doug.gregor@gmail.com>
1994
1995         PR c++/31078
1996         PR c++/31103
1997         * c-common.c (c_build_qualified_type): Set canonical type
1998         appropriately.
1999
2000 2007-04-12  Richard Guenther  <rguenther@suse.de>
2001
2002         * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
2003         lower bound and element size if lower bound is not zero
2004         or either of the ARRAY_REF operands is set.
2005
2006 2007-04-12  Richard Guenther  <rguenther@suse.de>
2007
2008         PR tree-optimization/24689
2009         PR tree-optimization/31307
2010         * fold-const.c (operand_equal_p): Compare INTEGER_CST array
2011         indices by value.
2012         * gimplify.c (canonicalize_addr_expr): To be consistent with
2013         gimplify_compound_lval only set operands two and three of
2014         ARRAY_REFs if they are not gimple_min_invariant.  This makes
2015         it never at this place.
2016         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
2017
2018 2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2019
2020         * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
2021         null before emitting a .nsubspa directive.
2022
2023 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
2024
2025         * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
2026         need_to_partition_p if there are no memory statements in the
2027         function.
2028
2029 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
2030
2031         * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
2032         (gcd_of_steps_may_divide_p): New function.
2033         (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
2034
2035 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
2036
2037         * reload.c (find_reloads_toplev, find_reloads_address,
2038         find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
2039         not a pointer equality test, to decide if we need to call
2040         push_reg_equiv_alt_mem.
2041
2042 2007-04-11  Sebastian Pop  <sebastian.pop@inria.fr>
2043
2044         * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
2045         insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
2046         (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
2047
2048 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
2049
2050         * tree-data-ref.c (add_multivariate_self_dist): Force the distance
2051         vector to be positive.
2052
2053 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
2054
2055         PR 30735
2056         PR 31090
2057         * doc/invoke.texi: Document --params max-aliased-vops and
2058         avg-aliased-vops.
2059         * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
2060         debug_memory_partitions): Move to tree-flow.h
2061         * params.h (AVG_ALIASED_VOPS): Define.
2062         * tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
2063         users.
2064         (mp_info_t): Likewise.
2065         (get_mem_sym_stats_for): New.
2066         (set_memory_partition): Move from tree-flow-inline.h.
2067         (mark_non_addressable): Only clear the set of symbols for the
2068         partition if it exists.
2069         (dump_memory_partitions): Move from tree-ssa-operands.c
2070         (debug_memory_partitions): Likewise.
2071         (need_to_partition_p): New.
2072         (dump_mem_ref_stats): New.
2073         (debug_mem_ref_stats): New.
2074         (dump_mem_sym_stats): New.
2075         (debug_mem_sym_stats): New.
2076         (update_mem_sym_stats_from_stmt): New.
2077         (compare_mp_info_entries): New.
2078         (mp_info_cmp): Call it.
2079         (sort_mp_info): Change argument to a list of mem_sym_stats_t
2080         objects.
2081         (get_mpt_for): Move from tree-ssa-operands.c.
2082         (find_partition_for): New.
2083         (create_partition_for): Remove.
2084         (estimate_vop_reduction): New.
2085         (update_reference_counts): New.
2086         (build_mp_info): New.
2087         (compute_memory_partitions): Refactor.
2088         Document new heuristic.
2089         Call build_mp_info, update_reference_counts,
2090         find_partition_for and estimate_vop_reduction.
2091         (compute_may_aliases): Populate virtual operands before
2092         calling debugging dumps.
2093         (delete_mem_sym_stats): New.
2094         (delete_mem_ref_stats): New.
2095         (init_mem_ref_stats): New.
2096         (init_alias_info): Call it.
2097         (maybe_create_global_var): Remove alias_info argument.
2098         Get number of call sites and number of pure/const call sites
2099         from gimple_mem_ref_stats().
2100         (dump_alias_info): Call dump_memory_partitions first.
2101         (dump_points_to_info_for): Show how many times a pointer has
2102         been dereferenced.
2103         * opts.c (decode_options): For -O2 set --param
2104         max-aliased-vops to 500.
2105         For -O3 set --param max-aliased-vops to 1000 and --param
2106         avg-aliased-vops to 3.
2107         * fortran/options.c (gfc_init_options): Remove assignment to
2108         MAX_ALIASED_VOPS.
2109         * tree-flow-inline.h (gimple_mem_ref_stats): New.
2110         * tree-dfa.c (dump_variable): Dump memory reference
2111         statistics.
2112         Dump NO_ALIAS* settings.
2113         (referenced_var_lookup): Tidy.
2114         (mem_sym_stats): New.
2115         * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
2116         and ORIG are different SSA names for a memory partition.
2117         * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
2118         * tree-flow.h (struct mem_sym_stats_d): Define.
2119         (mem_sym_stats_t): Define.
2120         (struct mem_ref_stats_d): Define.
2121         (struct gimple_df): Add field mem_ref_stats.
2122         (enum noalias_state): Define.
2123         (struct var_ann_d): Add bitfield noalias_state.
2124         (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
2125         debug_mem_ref_stats, debug_memory_partitions,
2126         debug_mem_sym_stats): Declare.
2127         * tree-ssa-structalias.c (update_alias_info): Update call
2128         sites, pure/const call sites and asm sites in structure
2129         returned by gimple_mem_ref_stats.
2130         Remove local variable IS_POTENTIAL_DEREF.
2131         Increase NUM_DEREFS if the memory expression is a potential
2132         dereference.
2133         Call update_mem_sym_stats_from_stmt.
2134         If the memory references memory, call
2135         update_mem_sym_stats_from_stmt for all the direct memory
2136         symbol references found.
2137         (intra_create_variable_infos): Set noalias_state field for
2138         pointer arguments according to the value of
2139         flag_argument_noalias.
2140         * tree-ssa-structalias.h (struct alias_info): Remove fields
2141         num_calls_found and num_pure_const_calls_found.
2142         (update_mem_sym_stats_from_stmt): Declare.
2143         * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
2144         Set default value to 100.
2145         (PARAM_AVG_ALIASED_VOPS): Define.
2146
2147 2007-04-11  Richard Guenther  <rguenther@suse.de>
2148
2149         PR middle-end/31530
2150         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
2151         a * -b + c as c - a * b if we honor sign dependent rounding.
2152
2153 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
2154
2155         * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
2156         bfin_expand_strmov.
2157         * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
2158         bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
2159         variables.
2160         (initialize_trampoline): Don't use old-style function definition.
2161         (bfin_secondary_reload): Mark IN_P argument as unused.
2162
2163 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
2164
2165         PR tree-optimization/31343
2166         * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
2167         (build_polynomial_chrec): Return a scalar when the evolution is zero.
2168         * testsuite/gcc.dg/vect/pr31343.c: New.
2169
2170 2007-04-10  Eric Christopher  <echristo@apple.com>
2171
2172         * config/i386/i386.h (X87_FLOAT_MODE_P): New.
2173         * config/i386/i386.md (*cmpfp0): Use.
2174         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
2175         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
2176         (fix_trunc<mode>_i386_fisttp): Ditto.
2177         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
2178         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
2179         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
2180         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
2181         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
2182         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
2183         (unnamed_splitters): Ditto.
2184         * config/i386/i386.c (output_fix_trunc): Assert that
2185         we're not being passed a TFmode operand.
2186
2187 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
2188
2189         PR tree-optimization/31526
2190         * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
2191         n_basic_blocks to find newly added blocks.
2192
2193 2007-04-10  Uros Bizjak  <ubizjak@gmail.com>
2194
2195         * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
2196         alternative.
2197         (fix_trunc<mode>si_sse): Ditto.
2198         (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
2199         (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
2200         (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
2201         (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
2202         (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
2203         expander using SSEMODEF mode macro.
2204         (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
2205         expander using SSEMODEF mode macro.
2206         (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
2207         *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
2208         (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
2209         *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
2210         (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
2211         *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
2212         (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
2213         Macroize insn using X87MODEF mode macro.
2214
2215 2007-04-09  H.J. Lu  <hongjiu.lu@intel.com>
2216
2217         * config/i386/sse.md (sse2_pinsrw): Removed.
2218         (sse2_pextrw): Renamed to ...
2219         (*sse2_pextrw): This.
2220
2221 2007-04-09  Jan Hubicka  <jh@suse.cz>
2222
2223         PR target/27869
2224         * config/i386/sse.md
2225         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
2226         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
2227         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
2228         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
2229
2230 2007-04-09  Jan Hubicka  <jh@suse.cz>
2231
2232         * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
2233         multiple fields of union.
2234
2235 2007-04-09  Zdenek Dvorak  <dvorakz@suse.cz>
2236
2237         * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
2238         (create_preheaders): Check that loops are available.
2239         (fix_loop_structure): Clean up, improve comments.
2240         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
2241         Check that loops are available.  Set LOOP_CLOSED_SSA to the loops
2242         state flags.
2243         * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
2244         * predict.c (tree_estimate_probability): Do not call
2245         calculate_dominance_info.  Call create_preheaders.
2246         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
2247         rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
2248         flags.
2249         * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
2250         * cfgloop.h (LOOP_CLOSED_SSA): New constant.
2251         * tree-cfg.c (tree_split_edge): Make an assert more precise.
2252         * tree-ssa-threadedge.c (thread_across_edge): Comment the function
2253         arguments.
2254
2255 2007-04-08  Jan Hubicka  <jh@suse.cz>
2256
2257         * tree.h (maybe_fold_offset_to_component_ref): Declare.
2258         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
2259         * fold-const.c (fold_unary): Use it.
2260
2261 2007-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2262
2263         * varasm.c (assemble_variable): Remove call to
2264         lang_hooks.decls.prepare_assemble_variable.
2265         * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
2266         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
2267         * langhooks.h (lang_hooks_for_decls): Remove
2268         prepare_assemble_variable.
2269
2270 2007-04-08  Mike Stump  <mrs@apple.com>
2271
2272         * config/i386/i386.c: Use inc/dec on Core2.
2273
2274 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
2275
2276         * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
2277         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
2278         lhd_tree_inlining_end_inlining): Remove.
2279         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
2280         add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
2281         end_inlining hooks.
2282         * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
2283         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
2284         lhd_tree_inlining_end_inlining): Remove prototypes.
2285         (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
2286         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
2287         LANG_HOOKS_TREE_INLINING_START_INLINING,
2288         LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
2289
2290         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
2291         not set it.
2292
2293 2007-04-08  Anatoly Sokolov <aesok@post.ru>
2294
2295         PR target/29932
2296         * config/avr/predicates.md (io_address_operand): Delete predicate.
2297         (low_io_address_operand): Don't use 'mode' argument.
2298         (higth_io_address_operand): Rename ...
2299         (high_io_address_operand): ... to this. Don't use 'mode' argument.
2300         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
2301         for above change.
2302
2303 2007-04-07  Daniel Berlin  <dberlin@dberlin.org>
2304
2305         Revert change removing staticp.
2306
2307 2007-04-07  Anatoly Sokolov <aesok@post.ru>
2308
2309         PR target/30289
2310         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
2311         earlyclobber.
2312
2313 2007-04-07  Bruce Korb  <bkorb@gnu.org>
2314
2315         * c.opt: Add -Wformat-contains-nul.
2316         * c-format.c (set_Wformat):  Set warn_format_contains_nul to the
2317           -Wformat setting.
2318         (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
2319         the NUL byte warning.
2320
2321 2007-04-07  H.J. Lu  <hongjiu.lu@intel.com>
2322
2323         * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
2324
2325 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
2326
2327         * tree.c (staticp): No longer use staticp langhook.
2328         * langhooks.c (lhd_staticp): Removed.
2329         * langhooks.h (struct lang_hooks): Remove staticp.
2330         * c-common.c (c_staticp): Remove.
2331         * c-common.h (c_staticp): Ditto.
2332         * langhooks-defs.h (lhd_staticp): Ditto.
2333         (LHD_HOOKS_STATICP): Ditto
2334         * tree.h (gcc_assert_lowered): New macro.
2335
2336 2007-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
2337
2338         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
2339         argument "reliable".
2340         (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
2341         Add argument "reliable".  Propagate it through calls.
2342         (infer_loop_bounds_from_undefined):  Derive number of iterations
2343         estimates from references in blocks that do not dominate loop latch.
2344         (gcov_type_to_double_int): New function.
2345         (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
2346         and expected_loop_iterations_unbounded.
2347         * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
2348         (expected_loop_iterations): Use expected_loop_iterations_unbounded.
2349         * tree-data-ref.c (estimated_loop_iterations): Export.
2350         (get_references_in_stmt): Fix -- do not return addresses of local
2351         objects.
2352         * cfgloop.h (expected_loop_iterations_unbounded,
2353         estimated_loop_iterations): Declare.
2354
2355 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
2356
2357         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
2358
2359 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
2360
2361         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
2362         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
2363         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
2364         Use output_387_reg_move().
2365         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
2366         expander using X87MODEF12 mode macro.
2367         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
2368         choosing register preferences.  Use output_387_reg_move().
2369         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
2370         instead of "x".  Use output_387_reg_move().
2371         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
2372         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
2373         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
2374         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
2375         Use output_387_reg_move().
2376         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
2377         mode macro.
2378         (*truncxf?f_i387 splitter): Ditto.
2379
2380 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
2381
2382         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
2383         LANG_HOOKS_SAFE_FROM_P.
2384         * expr.c (safe_from_p): Remove langhook call.
2385         * langhooks.h (lang_hooks): Remove safe_from_p.
2386         (lhd_safe_from_p): Remove prototype.
2387         * langhooks.c (lhd_safe_from_p): Remove.
2388
2389 2007-04-06  Jan Hubicka  <jh@suse.cz>
2390
2391         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
2392         functions.
2393
2394 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
2395
2396         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
2397         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
2398         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
2399         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
2400         alternative.
2401         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
2402         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
2403
2404 2007-04-05  Richard Henderson  <rth@redhat.com>
2405
2406         * config/alpha/alpha.c (print_operand) [+]: Remove.
2407         (alpha_end_function): Print nop if call at end of function.
2408         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
2409         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
2410         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
2411         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
2412         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
2413         the call pattern. Update peepholes to match.
2414
2415 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
2416
2417         * doc/extend.texi (Other Builtins): Add decimal float variants
2418         of signbit.
2419         * builtins.def: Ditto.
2420         * builtins.c (expand_builtin): Ditto.
2421
2422 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
2423             H.J. Lu  <hongjiu.lu@intel.com>
2424
2425         PR target/31478
2426         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
2427         of V8HImode when calling ix86_binary_operator_ok.
2428         (sse2_pmaddwd): Call ix86_binary_operator_ok.
2429         (sdot_prodv8hi): Operands 1 and 2 must be register.
2430
2431 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
2432
2433         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
2434         initialize align to silence bogus warning.
2435
2436 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
2437
2438         PR middle-end/22156
2439         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
2440         all_no_warning.
2441         (struct sra_walk_fns): Remove use_all parameter from use.
2442         (sra_hash_tree): Handle BIT_FIELD_REFs.
2443         (sra_elt_hash): Don't hash bitfld blocks.
2444         (sra_elt_eq): Skip them in parent compares as well.  Handle
2445         BIT_FIELD_REFs.
2446         (sra_walk_expr): Don't maintain or pass down use_all_p.
2447         (scan_use): Remove use_all parameter.
2448         (scalarize_use): Likewise.  Re-expand assignment to
2449         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
2450         output, and re-scalarize after output.  Don't mark anything
2451         for no warning.
2452         (scalarize_ldst): Adjust.
2453         (scalarize_walk_gimple_modify_statement): Likewise.
2454         (build_element_name_1): Handle BIT_FIELD_REFs.
2455         (instantiate_element): Don't warn for any element whose parent
2456         is used as a whole.
2457         (instantiate_missing_elements_1): Return the sra_elt.
2458         (canon_type_for_field): New.
2459         (try_instantiate_multiple_fields): New.
2460         (instantiate_missing_elemnts): Use them.
2461         (mark_no_warning): Removed.
2462         (generate_one_element_ref): Handle BIT_FIELD_REFs.
2463         (REPLDUP, sra_build_elt_assignment): New.
2464         (generate_copy_inout): Use them.
2465         (generate_element_copy): Likewise.  Handle bitfld differences.
2466         (generate_element_zero): Don't recurse for blocks.  Use
2467         sra_build_elt_assignment.
2468         (generate_one_element_int): Take elt instead of var.  Use
2469         sra_build_elt_assignment.
2470         (generate_element_init_1): Adjust.
2471         (scalarize_use, scalarize_copy): Use REPLDUP.
2472         (scalarize_ldst): Move assert before dereference.
2473         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
2474
2475 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
2476
2477         * regmove.c: Fix unused variable warnings due to previous commit.
2478
2479 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
2480
2481         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
2482         (regmove_bb_head): Remove.
2483         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
2484         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
2485         problems with fixup_match_1.
2486         Don't initialize/free regmove_bb_head.
2487
2488         (reg_is_remote_constant_p): If an insn is in the same basic block
2489         but not before INSN, consider it remote, too.
2490
2491 2007-04-05  Anatoly Sokolov <aesok@post.ru>
2492
2493         PR target/25448
2494         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
2495         DECL_ASSEMBLER_NAME, not the DECL_NAME.
2496
2497 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
2498
2499         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
2500         (CONDITIONAL_REGISTER_USAGE): Likewise.
2501
2502 2007-04-04  Richard Henderson  <rth@redhat.com>
2503
2504         * config/alpha/lib1funcs.asm: Remove unused file.
2505
2506 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2507
2508         PR other/31356
2509         * opts.c (print_specific_help): Fix --help=<language>
2510         header line.
2511         (common_handle_option): Support --help=common.
2512
2513 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2514
2515         PR other/31353
2516         * gcc.c (main): Do not run the linker if
2517         print_subprocess_help indicates that it shouldn't be
2518         run.
2519
2520 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2521
2522         PR doc/31355
2523         * doc/invoke.texi (--help=): Document <languages> value, fix
2524         formatting in tables of values.
2525
2526 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
2527
2528         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
2529         dllimport attribute of virtual methods.
2530
2531 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
2532
2533         * config/score/crti.asm: Change _bss_start to __bss_start.
2534         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
2535         (OUTGOING_REG_PARM_STACK_SPACE) update.
2536         * config/score/score.opt: add options to make backend support
2537         score5, score5u, score7 and score7d.
2538         * config/score/score.md: Likewise.
2539         * config/score/misc.md: Likewise.
2540         * config/score/mac.md: Likewise.
2541         * doc/invoke.texi: Likewise.
2542         * doc/md.texi: update constraints define.
2543
2544 2007-04-03  Richard Henderson  <rth@redhat.com>
2545
2546         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
2547         an appropriate type, use the mode instead.
2548
2549 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
2550
2551         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
2552         Set the default --with-arch setting to mips2.
2553         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
2554         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
2555         (MULTILIB_OSDIRNAMES): Delete.
2556         (MULTILIB_DIRNAMES): Define.
2557         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
2558         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
2559         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
2560         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
2561         VXWORKS_OS_CPP_BUILTINS.
2562         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
2563         (MIPS_DEBUGGING_INFO): Undefine.
2564         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
2565
2566 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
2567
2568         PR middle-end/30704
2569         * fold-const.c (native_encode_real): Encode real.c provided longs
2570         as a series of 32-bit native integers.
2571         (native_interpret_real): Interpret buffer as a series of 32-bit
2572         native integers.
2573
2574 2007-04-03  Richard Guenther  <rguenther@suse.de>
2575
2576         * genpreds.c (write_insn_constraint_len): Write function
2577         optimized for CONSTRAINT_LEN implementation.
2578         (write_tm_preds_h): Output insn_constraint_len inline and
2579         use it for CONSTRAINT_LEN.
2580         (write_insn_preds_c): Don't output insn_constraint_len.
2581         * doc/md.texi (define_register_constraint): Document multi-letter
2582         constraints shall have the same length if they start with the same
2583         letter.
2584
2585 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
2586
2587         PR target/31175
2588         * config/i386/i386.md (isinf<mode>2): Expand only when
2589         TARGET_C99_FUNCTIONS is set.
2590
2591 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
2592
2593         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
2594         (x86_64-*-linux*): Ditto.
2595         * config/i386/i386.opt (mpc): New option.
2596         * config/i386/i386.c (overrride_options): Handle
2597         ix87_precision_string.
2598         * config/i386/crtprec.c: New file.
2599         * config/i386/t-crtpc: Ditto.
2600         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
2601         and -mpc80 options.
2602         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
2603         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
2604         crtprec32.o, crtprec64.o and crtprec80.o.
2605
2606         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
2607         and -mpc80 options.
2608         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
2609
2610 2007-04-02  Eric Christopher  <echristo@apple.com>
2611
2612         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
2613         limitations on darwin.
2614
2615 2007-04-02  Anatoly Sokolov <aesok@post.ru>
2616
2617         PR target/31137
2618         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
2619
2620 2007-04-02  Dave Korn  <dave.korn@artimi.com>
2621
2622         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
2623
2624 2007-04-02  Dave Korn  <dave.korn@artimi.com>
2625
2626         * libgcc2.h (exception_descriptor): Don't forward-declare.
2627         (__get_eh_table_language, __get_eh_table_version): Delete
2628         prototypes of long-dead functions.
2629
2630 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
2631
2632         * ebitmap.h: New file
2633         * ebitmap.c: New file
2634         * Makefile.in (ebitmap.o): New target.
2635
2636 2007-04-01  Jan Hubicka  <jh@suse.cz>
2637
2638         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
2639         before very first instruction.
2640
2641 2007-04-01  Jan Hubicka  <jh@suse.cz>
2642
2643         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
2644         waring on 64bit hosts.
2645         * bitmap.h: Fix typo in bitmap_head_def.
2646
2647 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
2648
2649         PR rtl-optimization/31391
2650         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
2651         into a DELETED_LABEL note, and the label is in an empty basic
2652         block, update BB_END as well as BB_HEAD.
2653
2654 2007-04-01  Richard Henderson  <rth@redhat.com>
2655
2656         PR tree-optimization/31169
2657         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
2658         to varying if the range is outside [0,  prec-1].
2659
2660 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
2661
2662         PR target/31388
2663         * config/mips/mips.md (load_const_gp): New insn.
2664         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
2665         the MIPS16 GP pseudo register if no_new_pseudos.
2666         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
2667
2668 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2669
2670         PR target/31364
2671         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
2672         secureplt.
2673         (call_value): Likewise.
2674
2675 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
2676             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2677
2678         PR 14737
2679         * doc/invoke.texi: (optimization options): Reword description
2680         of -ffast-math. Document its primary purpose.
2681
2682 2007-03-31  Richard Guenther  <rguenther@suse.de>
2683
2684         * omp-low.c (splay-tree.h): Include.
2685         (lookup_decl): Replace splay-tree usage by pointer-map.
2686         (maybe_lookup_decl): Likewise.
2687         (new_omp_context): Likewise.
2688         (delete_omp_context): Likewise.
2689         * gimplify.c (splay-tree.h): Include.
2690         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
2691         pointer-map.
2692         (remap_ssa_name): Likewise.
2693         (remap_decl): Likewise.
2694         (remap_type_1): Likewise.
2695         (remap_type): Likewise.
2696         (copy_body_r): Likewise.
2697         (expand_call_inline): Likewise.
2698         (clone_body): Likewise.
2699         (copy_tree_r): Likewise.
2700         (remap_save_expr): Likewise.
2701         (unsave_r): Likewise.
2702         (unsave_expr_now): Likewise.
2703         (tree_function_versioning): Likewise.
2704         (build_duplicate_type): Likewise.
2705         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
2706         (struct copy_body_data): Replace splay-tree by pointer-map.
2707         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
2708         not $(SPLAY_TREE_H).
2709         (gimplify.o): Depend on $(SPLAY_TREE_H).
2710         (omp-low.p): Likewise.
2711
2712 2007-03-31  Anatoly Sokolov <aesok@post.ru>
2713
2714         * config/avr/predicates.md (even_register_operand,
2715         odd_register_operand): New predicates.
2716         * config/avr/avr.md (movw peephole2): New.
2717         (movw_r peephole2): New.
2718
2719 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
2720
2721         * tree.h (get_signed_or_unsigned_type): New.
2722         * fold-const.c (operand_equal_for_comparison_p): Use
2723         get_signed_or_unsigned_type instead of
2724         lang_hooks.types.signed_or_unsigned_type.
2725         * expr.c (store_expr): Ditto.
2726         * langhooks.c (get_signed_or_unsigned_type): New.
2727         (lhd_signed_or_unsigned_type): New.
2728         * langhooks.h (lhd_signed_or_unsigned_type): New.
2729         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
2730
2731 2007-03-30  Richard Henderson  <rth@redhat.com>
2732
2733         * tree-ssa-loop-ivopts.c: Include target.h.
2734         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
2735         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
2736         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
2737         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
2738
2739 2007-03-30  Richard Henderson  <rth@redhat.com>
2740             Kai Tietz  <kai.tietz@onevision.com>
2741
2742         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
2743         default for 64-bit.
2744         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
2745         (TARGET_64BIT_MS_ABI): New.
2746         (DBX_REGISTER_NUMBER): Handle 64-bit.
2747         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
2748         (LONG_TYPE_SIZE): Force to 32.
2749         (REG_PARM_STACK_SPACE): New.
2750         (OUTGOING_REG_PARM_STACK_SPACE): New.
2751         (REGPARM_MAX, SSE_REGPARM_MAX): New.
2752         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
2753         (STACK_BOUNDARY): Use 128 for 64-bit.
2754         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
2755         Add 64-bit implementation.
2756         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
2757         argument unused.
2758         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
2759         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
2760         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
2761         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
2762         (ix86_handle_cconv_attribute): Don't warn when ignoring if
2763         TARGET_64BIT_MS_ABI.
2764         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
2765         (ix86_pass_by_reference): Likewise.
2766         (ix86_function_value_regno_p): Likewise.
2767         (ix86_build_builtin_va_list): Likewise.
2768         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
2769         (function_arg_advance_ms_64): New.
2770         (function_arg_advance): Call it.
2771         (function_arg_ms_64): New.
2772         (function_arg): Call it.
2773         (function_value_ms_64): New.
2774         (ix86_function_value_1): Call it.
2775         (return_in_memory_ms_64): New.
2776         (ix86_return_in_memory): Call it.
2777         (setup_incoming_varargs_ms_64): New.
2778         (ix86_setup_incoming_varargs): Call it.
2779         (ix86_expand_prologue): Handle 64-bit stack probing.
2780         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
2781         (output_pic_addr_const): Likewise.
2782         (x86_this_parameter): Likewise.
2783         (x86_output_mi_thunk): Likewise.
2784         (x86_function_profiler): Likewise.
2785         (TARGET_STRICT_ARGUMENT_NAMING): New.
2786         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
2787         (TARGET_64BIT_MS_ABI): New.
2788         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
2789         * config/i386/i386.md (allocate_stack_worker): Remove.
2790         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
2791         describe the clobber of eax without a match_scratch.
2792         (allocate_stack_worker_postreload): Remove.
2793         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
2794         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
2795         (allocate_stack_worker_rex64_postreload): Remove.
2796         (allocate_stack): Handle 64-bit.
2797         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
2798         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
2799         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
2800         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
2801         (STANDARD_STARTFILE_PREFIX_1): Likewise.
2802         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
2803         * config.build (x86_64-*-mingw*): New host.
2804         * config.host (x86_64-*-mingw*): New host.
2805         * config.gcc (x86_64-*-mingw*): New target.
2806         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
2807
2808 2007-03-30  Richard Henderson  <rth@redhat.com>
2809             Kai Tietz  <kai.tietz@onevision.com>
2810
2811         * c-pragma.c (struct def_pragma_macro_value): New.
2812         (struct def_pragma_macro): New.
2813         (pushed_macro_table): New.
2814         (dpm_hash, dpm_eq): New.
2815         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
2816         (init_pragma): Install them.
2817         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
2818
2819 2007-03-30  Anatoly Sokolov <aesok@post.ru>
2820
2821         * config/avr/avr.c (avr_override_options): Clear
2822         'flag_delete_null_pointer_checks'.
2823
2824 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
2825
2826         PR c++/26099
2827         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
2828         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
2829         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
2830         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
2831         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
2832         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
2833         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
2834         C++ extensions.
2835         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
2836
2837 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
2838
2839         * regmove.c: Move all of pass_stack_adjustments from here...
2840         * combine-stack-adj.c: ...to this new file.
2841         * Makefile.in: Add rules for combine-stack-adj.o.
2842
2843 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
2844
2845         PR tree-optimization/31383
2846         * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
2847         to have the same length.
2848
2849 2007-03-30  Jan Hubicka  <jh@suse.cz>
2850
2851         PR middle-end/30700
2852         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
2853         availablility; add more sanity checking; ask varpool only about
2854         VAR_DECL.
2855
2856 2007-03-29  Richard Henderson  <rth@redhat.com>
2857
2858         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
2859         to decide, but __SIZEOF_LONG_LONG__.
2860
2861 2007-03-29  Richard Henderson  <rth@redhat.com>
2862
2863         * emutls.c (struct __emutls_array): New.
2864         (emutls_destroy): Use it instead of casting element 0 from void*.
2865         (__emutls_get_address): Likewise.
2866
2867 2007-03-29  Richard Henderson  <rth@redhat.com>
2868
2869         * varasm.c (initializer_constant_valid_p): Don't deny
2870         DECL_DLLIMPORT_P on functions.
2871
2872         * config/i386/cygming.h: Remove function declarations.
2873         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
2874         (ASM_OUTPUT_LABELREF): Remove.
2875         (COMMON_ASM_OP): Remove.
2876         (ASM_OUTPUT_COMMON): Remove.
2877         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
2878         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
2879         (ASM_DECLARE_FUNCTION_NAME): Likewise.
2880         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
2881         Rename from TARGET_ENCODE_SECTION_INFO.
2882         * config/i386/netware.h: Likewise.
2883         * config/i386/i386-protos.h: Update.
2884         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
2885         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
2886         (legitimate_constant_p): Reject dllimports.
2887         (dllimport_map, get_dllimport_decl): New.
2888         (legitimize_dllimport_symbol): New.
2889         (legitimize_address, ix86_expand_move): Use it.
2890         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
2891         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
2892         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
2893         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
2894         * config/i386/predicates.md (constant_call_address_operand): Only
2895         accept symbols; reject dllimport_p symbols.
2896         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
2897         i386_pe_maybe_record_exported_symbol.
2898         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
2899         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
2900         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
2901         trust the setting of DECL_DLLIMPORT_P.
2902         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
2903         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
2904         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
2905         tidy the argument scanning loop.
2906         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
2907         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
2908         (i386_pe_strip_name_encoding): Remove.
2909         (i386_pe_binds_local_p): New.
2910         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
2911         (i386_pe_output_labelref): Remove.
2912         (i386_pe_asm_output_aligned_decl_common): New.
2913         (i386_pe_maybe_record_exported_symbol): Rename from
2914         i386_pe_record_exported_symbol; check for dllexported symbols.
2915
2916 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
2917
2918         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
2919         add comment explaining why vsnprintf cannot be used.
2920
2921 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
2922
2923         PR tree-optimization/30666
2924         * tree.c (build_complex_type): When creating type names for DWARF2
2925         debug info, create TYPE_DECLs for TYPE_NAME instead of
2926         IDENTIFIER_NODEs.
2927         (build_common_tree_nodes_2): Use build_complex_type when building
2928         predefined complex types, to preserve canonical types.
2929
2930 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
2931
2932         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
2933         (noce_get_alt_condition): Look at it to determine whether to
2934         reverse the condition or not.
2935         (noce_get_condition): Substitute the truth for lies.
2936         (noce_find_if_block): Set the then_else_reversed field.
2937
2938 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
2939
2940         * config/fr30/fr30.md (movdi): Do not accept immediates as the
2941         destination of this insn.
2942         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
2943         than calling gen_rtx_SET directly.  Use r0 to hold the value of
2944         'address + 4' rather than a stack based temporary which can be
2945         mis-optimized away.
2946
2947 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
2948
2949         * config/s390/s390.c (s390_secondary_input_reload_class,
2950         s390_secondary_output_reload_class): Functions removed.
2951         (s390_secondary_reload): New function.
2952         (TARGET_SECONDARY_RELOAD): Target macro defined.
2953         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
2954         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
2955         * config/s390/s390.md ("reload_outti", "reload_outdi",
2956         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
2957         "reload_out<mode>"): Expanders removed.
2958         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
2959         "reload<mode>_nonoffmem_out"): Expanders added.
2960
2961 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
2962
2963         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
2964         SRC->DEST replacement failed anyway.
2965
2966 2007-03-28  Mike Stump  <mrs@apple.com>
2967
2968         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
2969         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
2970         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
2971
2972 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
2973
2974         * config.gcc: Accept barcelona as a variant of amdfam10.
2975         * config/i386/i386.c (override_options): Likewise.
2976         * doc/invoke.texi: Likewise.
2977
2978 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
2979
2980         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
2981         offsets for BIT_FIELD_REF and COMPONENT_REF.
2982
2983 2007-03-28  Richard Guenther  <rguenther@suse.de>
2984
2985         * tree.c (is_global_var): Move ...
2986         * tree-flow-inline.h (is_global_var): ... here.
2987         * tree.h (is_global_var): Remove declaration.
2988
2989 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
2990
2991         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
2992         option.
2993         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
2994         * config/i386/i386.c (ix86_tune_features): Initialize new
2995         tuning option.
2996         * config/i386/predicates.md (promotable_binary_operator): Use
2997         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
2998
2999 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
3000
3001         PR target/31380
3002         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
3003
3004 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
3005
3006         * config/fr30/fr30.md (movsi_internal): Change destination
3007         constraint from m to V and add m to the end.
3008
3009 2007-03-28  Christian Bruel  <christian.bruel@st.com>
3010
3011         * config/sh/sh.md (movsi_i): Fix type attribute.
3012
3013 2007-03-28  Christian Bruel  <christian.bruel@st.com>
3014
3015         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
3016         (movsf_ie): Likewise.
3017
3018 2007-03-28  Christian Bruel  <christian.bruel@st.com>
3019
3020         * config.gcc: Add sh4-300 to multilib.
3021         * config/sh/t-mlib-sh4-300: New file.
3022
3023 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
3024
3025         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
3026         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
3027         fix_trunc<mode>di2.
3028         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
3029         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
3030         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
3031         "fixuns_trunctddi2"): Whitespace fix.
3032
3033 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
3034
3035         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
3036         the definition of struct sh_args.
3037         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
3038         CALL_COOKIE_INT_REG_GET): Likewise.
3039
3040 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
3041
3042         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
3043         transformations are applied successfully.
3044
3045 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
3046
3047         * tree.c (tree_contains_struct): Permit 512 tree codes.
3048         * tree.h (tree_contains_struct): Ditto.
3049         (MAX_TREE_CODES): Ditto.
3050         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
3051         SPARE member to store remaining padding bits.
3052
3053 2007-03-27  Anatoly Sokolov <aesok@post.ru>
3054
3055         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
3056         architecture.
3057
3058 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
3059
3060         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
3061         * configure: Regenerate.
3062
3063         * configure: Regenerate using the correct version of autoconf.
3064
3065 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
3066
3067         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
3068         pointer regs.
3069         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
3070         regs to "__SP_L__" and "__SP_H__".
3071
3072 2007-03-27  Richard Guenther  <rguenther@suse.de>
3073
3074         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
3075         computations with it with a HOST_WIDE_INT variable.
3076
3077 2007-03-26  Mike Stump  <mrs@apple.com>
3078
3079         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
3080         objective-c-header, objective-c++-header and objc++-cpp-output
3081         support.
3082         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
3083
3084 2007-03-26  Richard Henderson  <rth@redhat.com>
3085
3086         PR target/31361
3087         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
3088         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
3089         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
3090         IX86_BUILTIN_PSRLQ128): New.
3091         (ix86_init_mmx_sse_builtins): Add them.
3092         (ix86_expand_builtin): Expand them.
3093         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
3094         operand 2 be TImode.
3095         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
3096         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
3097         _mm_srli_epi64): Mark __B const.
3098         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
3099         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
3100         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
3101         new two-vector shift builtins.
3102
3103 2007-03-26  Ian Lance Taylor  <iant@google.com>
3104
3105         PR tree-optimization/31345
3106         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
3107         [+INF, +INF(OVF)] into VARYING.
3108
3109 2007-03-26  Zack Weinberg  <zackw@panix.com>
3110
3111         * gengtype-parse.c: New file.
3112         * gengtype-yacc.y: Delete.
3113         * gengtype-lex.l: Don't include gengtype-yacc.h.
3114         Define YY_DECL and yyterminate appropriately for recursive
3115         descent parser.  yylval is now a string out-parameter to yylex.
3116         (HWS, EOID): New shorthand.
3117         (IWORD): Add a couple more types.
3118         (yylex): Add a setup stanza.  Remove the complex rules for
3119         detecting GTY'ed types and typedefs; replace with simple
3120         keyword detectors.  Adjust everything for the changed
3121         definition of yylval.  Ignore all pp-directives, not just #define.
3122         (yyerror): Delete.
3123         (parse_file): Rename yybegin; do not call yyparse.
3124         (yyend): New.
3125         * gengtype.c (xasprintf): Export again.
3126         (this_file): New.  Use everywhere __FILE__ was being used.
3127         (get_lang_bitmap): Special case types defined in gengtype.c.
3128         (do_typedef, new_structure): Suppress definition of certain types.
3129         (new_structure): Improve diagnostics of duplicate definitions.
3130         Make sure location_s is associated with input.h.
3131         (nreverse_pairs, define_location_structures): New functions.
3132         (main): Improve tagging of kludge types.  Remove old kludges
3133         for input.h types; use define_location_structures.
3134         * gengtype.h: Update prototypes.  Define token codes here.
3135         * Makefile.in: Remove all references to gengtype-yacc.
3136         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
3137         and gengtype.
3138         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
3139         add GTY((skip)) to the field that's only conditionally there.
3140         * doc/install.texi: Document that Bison is no longer required
3141         unless building treelang.
3142
3143         * gengtype.c: Don't include gtyp-gen.h.
3144         (srcdir): Declare here.
3145         (base_files, lang_dir_names): Allocate dynamically.
3146         (gt_files, num_gt_files, num_lang_dirs): New globals.
3147         (measure_input_list, read_input_line, read_input_list)
3148         (set_lang_bitmap): New functions.
3149         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
3150         simplify, relying on read_input_list to set up the bitmaps.
3151         (main): Arguments are no longer unused.  Check for correct number
3152         of command line arguments, set srcdir and srcdir_len, then call
3153         read_input_list, before doing anything else.  No need to worry
3154         about duplicates in main loop.
3155         * configure.ac: Simplify the calculation of all_gtfiles.
3156         Put language tags in there.  Don't set or substitute
3157         all_gtfiles_files_langs or all_gtfiles_files_frags.
3158         * Makefile.in: Revamp the way gengtype is invoked, now that it
3159         takes a file on its command line with a much simpler format.
3160         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
3161         (GTFILES): Remove duplicates and C source files.
3162         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
3163         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
3164         * configure: Regenerate.
3165
3166         * gengtype.h: Remove all type definitions to gengtype.c; leave
3167         only definitions of options_p, type_p, and pair_p as opaque
3168         pointers.  Update prototypes.
3169         * gengtype.c: Many type definitions moved here from gengtype.h.
3170         Consolidate type definitions at the top of the file.
3171         (xvasprintf): Delete.
3172         (xasprintf): Make static.
3173         (create_nested_pointer_option): Add 'next' parameter.
3174         (create_field_all, create_field_at): New functions.
3175         (create_field): Now a thin wrapper around create_field_all.
3176         (create_optional_field): Rename create_optional_field_ and add
3177         line argument.  Original name is now a macro which supplies
3178         __LINE__.
3179         (oprintf): Use vsnprintf directly.
3180         (close_output_files): Use fatal rather than perror/exit.
3181         (note_def_vec, note_def_vec_alloc): Use create_field_at.
3182         (main): Set progname.  Don't use exit.
3183         * gengtype-yacc.y (struct_fields): Use create_field_at.
3184         (option, optionseqopt): Delete.
3185         (optionseq): Consolidate productions from option here so we
3186         can use the first argument to create_option.
3187
3188         * gengtype-lex.l: Distinguish unions from structures in the
3189         token type.  Don't call find_structure; return the tag as a string.
3190         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
3191         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
3192         Reorganize typedef_struct production accordingly.
3193         Use create_nested_ptr_option.
3194         * gengtype.c (create_nested_ptr_option): New function.
3195         * gengtype.h: Declare it.
3196
3197         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
3198         (string_type): Don't declare.
3199         (do_scalar_typedef): Declare.
3200         (create_scalar_type): Update prototype.
3201         * gengtype.c (string_type): Make static.
3202         (scalar_nonchar, scalar_char): New.
3203         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
3204         (resolve_typedef): Use scalar_nonchar for error recovery.
3205         (create_scalar_type): Remove name_len field.  Return scalar_char
3206         or scalar_nonchar as appropriate.
3207         (adjust_field_type): Look at scalar_is_char boolean to decide whether
3208         to use string_type.
3209         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
3210         whenever possible.
3211         (main): Initialize scalar_char and scalar_nonchar before calling
3212         gen_rtx_next.
3213         * gengtype-lex.l: Adjust for removal of second argument to
3214         create_scalar_type.  Use yylval.s instead of yylval.t when
3215         returning SCALAR.
3216         * gengtype-yacc.y: Type of SCALAR is string.  Call
3217         create_scalar_type from type:SCALAR rule.  Adjust for removal of
3218         second argument to create_scalar_type.
3219
3220         * vec.h: Remove all #if IN_GENGTYPE blocks.
3221         Add comment saying that changes may require adjustments to gengtype.
3222         * gengtype.c: Don't include coretypes.h or tm.h.
3223         Add comment to inclusion of errors.h.
3224         (note_def_vec, note_def_vec_alloc): New functions.
3225         * gengtype.h: Declare new functions.
3226         * gengtype-lex.l: Don't include coretypes.h.
3227         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
3228         Delete.
3229         (update_lineno): Remove unnecessary prototype.
3230         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
3231         (VEC rule): Just return VEC_TOKEN.
3232         * gengtype-yacc.y (VEC_TOKEN): New token type.
3233         (type): Add a production for VEC(a,b).
3234         * Makefile.in: Update dependencies.
3235
3236         * gengtype-lex.l: Remove rules for parsing pointer-to-function
3237         typedefs that use the old PARAMS macro.
3238
3239         * gengtype-lex.l: Remove all rules and states relating to yacc
3240         input files.
3241         * gengtype-yacc.y: Similarly.
3242         * gengtype.c (note_yacc_type): Delete function.
3243         * gengtype.h: Update prototypes.
3244
3245 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
3246
3247         * tree-pretty-print.c (dump_generic_node): Report precision of
3248         unnamed integer types.
3249
3250 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
3251
3252         * ifcvt.c (noce_try_store_flag_constants): Don't check
3253         no_new_pseudos here.
3254         (noce_try_store_flag_constants): Don't check no_new_pseudos.
3255         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
3256         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
3257         noce_try_sign_mask): Likewise.
3258         (if_convert): Check no_new_pseudos here.
3259
3260         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
3261         Remove prototypes.
3262         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
3263         (noce_get_condition): Handle new then_else_reversed argument.
3264         (noce_init_if_info): Remove, fold into noce_find_if_block.
3265         (noce_process_if_block): Take a struct noce_if_info as the
3266         argument.  Don't set up one based on ce_if_info.  Update pointer
3267         references accordingly.
3268         (cond_move_process_if_block): Likewise.
3269         (process_if_block): Removed.
3270         (find_if_block): Removed.  Move functionality two new functions,
3271         noce_find_if_block and cond_exec_find_if_block.
3272         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
3273         blocks and the symmetric IF-ELSE-JOIN case.
3274         (cond_exec_find_if_block): Also new function mostly based on old
3275         find_if_block and process_if_block.
3276         (find_if_header): Replace find_if_block call with separately
3277         guarded calls to noce_find_if_block and cond_exec_find_if_block.
3278         (find_cond_trap): Update noce_get_condition call.
3279         (dead_or_predicable): Likewise.
3280
3281 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
3282
3283         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
3284         Remove.
3285         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
3286         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
3287         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
3288         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
3289         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
3290         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
3291         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
3292         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
3293         __builtin_ia32_psrad128 builtins.
3294
3295 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
3296
3297         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
3298         * config/i386/constraints.md
3299         (define_constraint "I"): Use IN_RANGE macro.
3300         (define_constraint "J"): Ditto.
3301         (define_constraint "K"): Ditto.
3302         (define_constraint "M"): Ditto.
3303         (define_constraint "N"): Ditto.
3304         (define_constraint "O"): Ditto.
3305         * config/i386/predicates.md
3306         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
3307         (define_predicate "const_0_to_3_operand"): Ditto.
3308         (define_predicate "const_0_to_7_operand"): Ditto.
3309         (define_predicate "const_0_to_15_operand"): Ditto.
3310         (define_predicate "const_0_to_63_operand"): Ditto.
3311         (define_predicate "const_0_to_255_operand"): Ditto.
3312         (define_predicate "const_1_to_31_operand"): Ditto.
3313         (define_predicate "const_2_to_3_operand"): Ditto.
3314         (define_predicate "const_4_to_7_operand"): Ditto.
3315
3316 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
3317
3318         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
3319         in SImode for save_world.
3320         * config/rs6000/altivec.md (save_world, restore_world): Convert to
3321         LR hard reg.
3322
3323 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
3324
3325         PR tree-optimization/30784
3326         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
3327         BIT_FIELD_REF.
3328
3329 2007-03-25  Revital Eres  <eres@il.ibm.com>
3330
3331         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
3332           Fold movement_possibility function into it.
3333
3334 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
3335
3336         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
3337         (load_macho_picbase_{si,di}): Convert to LR hard reg.
3338         (call_indirect_nonlocal_darwin64): Same.
3339         (call_nonlocal_darwin64): Same.
3340         (call_value_indirect_nonlocal_darwin64): Same.
3341         (call_value_nonlocal_darwin64): Same.
3342         (sibcall_nonlocal_darwin64): Same.
3343         (sibcall_value_nonlocal_darwin64): Same.
3344         (sibcall_symbolic_64): Same.
3345         (sibcall_value_symbolic_64): Same.
3346         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
3347         LR pseudo.
3348         (rs6000_emit_load_toc_table): Same.
3349         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
3350         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
3351         (mull_call): Same.
3352         (divss_call): Same.
3353         (divus_call): Same.
3354         (quoss_call): Same.
3355         (quous_call): Same.
3356         (load_toc_v4_pic_si): Same
3357         (load_toc_v4_PIC_1): Same.
3358         (load_toc_v4_PIC_1b): Same.
3359         (call_indirect_aix{32,64}): Same.
3360         (call_value_indirect_aix{32,64}): Same.
3361         (call): Same.
3362         (call_value): Same.
3363         (call_local{32,64}): Same.
3364         (call_value_local{32,64}): Same.
3365         (call_indirect_nonlocal_aix{32,64}): Same.
3366         (call_nonlocal_aix{32,64}): Same.
3367         (call_value_indirect_nonlocal_aix{32,64}): Same.
3368         (call_value_nonlocal_aix{32,64}): Same.
3369         (call_indirect_nonlocal_sysv<mode>): Same.
3370         (call_nonlocal_sysv<mode>): Same.
3371         (call_value_indirect_nonlocal_sysv<mode>): Same.
3372         (call_value_nonlocal_sysv<mode>): Same.
3373         (sibcall): Same.
3374         (sibcall_local{32,64}): Same.
3375         (sibcall_value_local{32,64}): Same.
3376         (sibcall_nonlocal_aix{32,64}): Same.
3377         (sibcall_value_nonlocal_aix{32,64}): Same.
3378         (sibcall_nonlocal_sysv<mode>): Same.
3379         (sibcall_value): Same.
3380         (sibcall_value_nonlocal_sysv<mode>): Same.
3381
3382 2007-03-24  Paul Brook  <paul@codesourcery.com>
3383
3384         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
3385         * config/arm/linux-eabi.h: Remove legacy syscall hack.
3386
3387 2007-03-24  Richard Henderson  <rth@redhat.com>
3388
3389         * config/ia64/constraints.md: New file.
3390         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
3391         satisfies_constraint_?.
3392         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
3393         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
3394         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
3395         ia64_output_mi_thunk): Likewise.
3396         (ia64_const_ok_for_letter_p): Remove.
3397         (ia64_const_double_ok_for_letter_p): Remove.
3398         (ia64_extra_constraint): Remove.
3399         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
3400         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
3401         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
3402         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
3403         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
3404         EXTRA_MEMORY_CONSTRAINT): Remove.
3405         * config/ia64/ia64.md: Include constriants.md.  Replace
3406         CONST_OK_FOR_? with satisfies_constraint_?.
3407
3408 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
3409             H.J. Lu  <hongjiu.lu@intel.com>
3410
3411         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
3412         DPD or BID name.
3413         (name macros): Use DPD_BID_NAME to convert names properly.
3414
3415         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
3416         decimal floating point format.
3417         (init_floating_libfuncs): Change decimal functions so that they
3418         have a "bid_" prefix if the decimal system uses the BID format,
3419         and "dpd_" prefix if the decimal system uses the DPD format.
3420         (init_interclass_conv_libfuncs): Ditto.
3421         (init_intraclass_conv_libfuncs): Ditto.
3422
3423         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
3424         using the BID format.
3425
3426         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
3427         whether we are using the BID decimal format.
3428         * configure: Regenerate.
3429
3430         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
3431         the compiler has decimal floating point enabled.  Define
3432         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
3433         instead of DPD.
3434
3435         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
3436         using the BID format.
3437
3438         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
3439         whether we are using the BID decimal format.
3440         * configure: Regenerate.
3441
3442         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
3443         the compiler has decimal floating point enabled.  Define
3444         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
3445         instead of DPD.
3446
3447         * doc/install.texi (--enable-decimal-float): Document BID and DPD
3448         options, and that it is enabled for i386/x86_64 systems.
3449
3450         * Makefile.in (enable_decimal_float): New.
3451         (DECNUMFMT): New.
3452         (DECNUMINC): Add  -I$(DECNUMFMT).
3453         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
3454         to $(DECNUMFMT) from $(DECNUM).
3455
3456         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
3457         Substitute enable_decimal_float.
3458         * configure: Regenerated.
3459
3460         PR other/30529
3461         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
3462         unsigned long.
3463
3464         * configure.ac: Enable decimal float for x86_64-*-linux*.
3465         * configure: Regenerated.
3466
3467         PR other/30530
3468         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
3469         decimal128ClearSign to flip and clear the sign bit in decimal128.
3470         (decimal_real_maxval): Set decimal128SetSign to set the sign
3471         bit in decimal128.
3472
3473 2007-03-23  Ian Lance Taylor  <iant@google.com>
3474
3475         * fold-const.c (fold_binary): Correct warning for X - c >= X.
3476
3477 2007-03-23  Ian Lance Taylor  <iant@google.com>
3478
3479         * tree-dump.c (dump_files): Correct comment.
3480
3481 2007-03-23  Ian Lance Taylor  <iant@google.com>
3482
3483         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
3484
3485 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
3486
3487         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
3488         in cfglayout mode.  Don't go into and out of cfglayout mode.
3489         Link the blocks in the order of the constructed traces.
3490         (rest_of_handle_tracer): Adjust call to tracer.
3491         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
3492         Don't go into cfglayout mode.
3493         (rtl_loop_done): Don't go out of cfglayout mode.
3494         * cfglayout.c (relink_block_chain): New function, split out from...
3495         (fixup_reorder_chain): ...here.  Remove redundant checking.
3496         (cfg_layout_finalize): Don't clear the header, footer, and aux
3497         fields here, move the code to do so to relink_block_chain.  Likewise
3498         for free_original_copy_tables.
3499         * rtl.h (tracer): Update prototype.
3500         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
3501         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
3502         mode.  Use relink_block_chain to serialize the CFG according to the
3503         new basic block order.  Move targetm.cannot_modify_jumps_p check from
3504         here...
3505         (gate_handle_reorder_blocks): ...to here.
3506         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
3507         from here...
3508         (gate_duplicate_computed_gotos): ...to here.
3509         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
3510         something always changes when going into and out of cfglayout mode.
3511         Perform an expensive cfg cleanup while going into cfglayout mode.
3512         Always update liveness information on HAVE_conditional_execution
3513         targets.  Reserialize the basic blocks and go out of cfglayout mode.
3514         * reg-stack.c: Include cfglayout.h.
3515         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
3516         the call to reorder_basic_blocks.
3517         * basic-block.h (reorder_basic_blocks): Update prototype.
3518         (relink_block_chain): New prototype.
3519         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
3520
3521 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
3522
3523         * config/mips/mips.md (type, hazard, *movdi_32bit,
3524         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
3525         *movhi_internal, *movqi_internal, *movsf_hardfloat,
3526         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
3527         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
3528         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
3529         applicable.
3530         (movcc): Change first xfer to multi.
3531         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
3532         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
3533         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
3534         config/mips/generic.md: Change reservations using "xfer" to use
3535         "mfc,mtc".
3536         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
3537         using match_operand.
3538         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
3539         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
3540         examining mode.
3541         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
3542
3543 2007-03-22  Richard Henderson  <rth@redhat.com>
3544
3545         * config/i386/i386.c: Remove unnecessary function declarations.
3546         Move targetm definition, and all related macros, to the end of
3547         the file.  Resort some functions to put definitions before uses.
3548         (ix86_attribute_table): Make static.  Move to end of file.
3549         (ix86_gimplify_va_arg): Make static.
3550
3551 2007-03-22  Richard Henderson  <rth@redhat.com>
3552
3553         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
3554         don't increase local_regparm with force_align_arg_pointer check.
3555         (ix86_function_sseregparm): Assert 32-bit.
3556         (type_has_variadic_args_p): New.
3557         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
3558         type_has_variadic_args_p.
3559         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
3560         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
3561         use memset instead.  Do maybe_vaarg check first; skip attribute
3562         tests if true; skip attribute tests for 64-bit.
3563         (construct_container): Remove TARGET_DEBUG_ARG.
3564         (function_arg_advance_32, function_arg_advance_64): Split out ...
3565         (function_arg_advance): ... from here.
3566         (function_arg_32, function_arg_64): Split out ...
3567         (function_arg): ... from here.
3568         (ix86_pass_by_reference): Tidy.
3569         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
3570         (function_value_32): New, from parts of ix86_function_value
3571         and ix86_value_regno.
3572         (function_value_64): New, from parts of ix86_function_value
3573         and ix86_libcall_value.
3574         (ix86_function_value_1): New.
3575         (ix86_function_value, ix86_libcall_value): Use it.
3576         (return_in_memory_32, return_in_memory_64): Split out ...
3577         (ix86_return_in_memory): ... from here.
3578         (ix86_struct_value_rtx): Skip for 64-bit.
3579         (ix86_libcall_value, ix86_value_regno): Remove.
3580         (setup_incoming_varargs_64): Split out ...
3581         (ix86_setup_incoming_varargs): ... from here.
3582         (ix86_va_start): Remove TARGET_DEBUG_ARG.
3583         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
3584         * config/i386/i386-protos.h (ix86_function_value): Remove.
3585         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
3586
3587 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3588
3589         PR other/23572
3590         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
3591         infinities not supported, otherwise emit warning if -Woverflow. On
3592         underflow, emit warning if -Woverflow.
3593         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
3594         and 0 otherwise.
3595         * real.h (real_from_string): Update declaration
3596
3597 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
3598             Richard Henderson  <rth@redhat.com>
3599
3600         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
3601         * calls.c (compute_argument_block_size, expand_call,
3602         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
3603         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
3604         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
3605         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
3606         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
3607         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
3608         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
3609         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
3610         Set to 1.
3611
3612 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
3613
3614         * c-incpath.c (add_sysroot_to_chain): New.
3615         (merge_include_chains): Add sysroot argument.  Call
3616         add_sysroot_to_chain if sysrooted.
3617         (register_include_chains): Update call to merge_include_chains.
3618         * doc/cppopts.texi: Document use of '=' in include directory
3619         arguments.
3620
3621 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
3622
3623         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
3624         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
3625         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
3626         insn pattern using X87MODEF12 mode macro.
3627
3628 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
3629
3630         * regmove.c (regmove_optimize): Use reg_mentioned_p
3631         instead of reg_overlap_mentioned_p for DST.
3632
3633 2007-03-21  Mike Stump  <mrs@apple.com>
3634
3635         * c.opt: Fixup for Objective-C/C++.
3636
3637 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
3638
3639         * explow.c (convert_memory_address): Fold memory reference when
3640         POINTERS_EXTEND_UNSIGNED < 0
3641
3642 2007-03-21  Richard Henderson  <rth@redhat.com>
3643
3644         PR target/31245
3645         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
3646         * config/i386/mmintrin.h (__m64): Likewise.
3647         * config/i386/xmmintrin.h (__m128): Likewise.
3648
3649 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
3650
3651         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
3652         (VXWORKS_OS_CPP_BUILTINS): Define.
3653         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
3654         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
3655
3656 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
3657
3658         * rtl.h (constant_pool_reference_p): Delete.
3659         (find_constant_src): Declare.
3660         * rtlanal.c (find_constant_src): New function.
3661         * simplify-rtx.c (constant_pool_reference_p): Delete.
3662         * config/i386/i386.md: Use find_constant_src instead of
3663         constant_pool_reference_p/avoid_constant_pool_reference pairs.
3664
3665 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
3666
3667         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
3668         * c-cppbuiltin.c (c_cpp_builtins): Define them.
3669
3670 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
3671
3672         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
3673         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
3674         (arm_elf_asm_constructor): Use it.
3675         (arm_elf_asm_destructor): New function.
3676
3677 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
3678
3679         * jump.c (mark_jump_label): Treat SEQUENCE specially.
3680
3681 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
3682
3683         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
3684
3685 2007-03-19  Andrew Haley  <aph@redhat.com>
3686
3687         PR tree-optimization/31264
3688         * tree-vrp.c (register_edge_assert_for_1): Don't look though
3689         VIEW_CONVERT_EXPRs.
3690
3691 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
3692
3693         PR rtl-optimization/30907
3694         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
3695         (fwprop_init): Always call loop_optimizer_initialize.
3696         (fwprop_done): Always call loop_optimizer_finalize.
3697         (fwprop): We always have loop info now.
3698         (gate_fwprop_addr): Remove.
3699         (pass_fwprop_addr): Use gate_fwprop as gate.
3700
3701         PR rtl-optimization/30841
3702         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
3703         df_chain_alloc): Call df_reorganize_refs unconditionally.
3704         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
3705         refs_organized to refs_organized_size.
3706         (df_ref_create_structure): Use refs_organized_size instead of
3707         bitmap_size if refs had been organized, and keep refs_organized_size
3708         up-to-date.
3709         * df.h (struct df_ref_info): Change refs_organized to
3710         refs_organized_size.
3711         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
3712         bitmap_size.
3713
3714 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
3715
3716         * except.c (output_function_exception_table): Do not reference the
3717         EH personality routine for functions that do not require an
3718         exception table.
3719
3720 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
3721
3722         PR c/30762
3723         * c-typeck.c (convert_for_assignment): Call comptypes for
3724         RECORD_TYPE or UNION_TYPE.
3725
3726         PR inline-asm/30505
3727         * reload1.c (reload): Do invalid ASM checking after
3728         cleanup_subreg_operands.
3729
3730 2007-03-19  Jeff Law  <law@redhat.com>
3731
3732         * tree-cfg.c (find_taken_edge): Tighten conditions for
3733         optimizing computed gotos.
3734
3735 2007-03-19  Michael Matz  <matz@suse.de>
3736
3737         * builtins.c (expand_builtin_sync_operation,
3738         expand_builtin_compare_and_swap,
3739         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
3740         correctly.
3741
3742         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
3743         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
3744         for operand 3.
3745
3746 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3747
3748         * doc/tm.texi: Add brackets around the return type of
3749         TARGET_SECONDARY_RELOAD.
3750
3751 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3752         Richard Guenther  <rguenther@suse.de>
3753
3754         PR tree-optimization/31254
3755         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
3756         Use handled_component_p () where appropriate.  Continue
3757         propagating into the rhs if we propagated into an INDIRECT_REF
3758         on the lhs.
3759
3760 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3761
3762         * config/s390/s390.md (op_type attribute): RRR instruction type added.
3763         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
3764         (xde, xdee): Mode attributes adjusted to support DFP modes.
3765         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
3766         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
3767         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
3768         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
3769         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
3770         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
3771         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
3772         numbers.
3773         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
3774         "movsf"): Insn definitions removed.
3775         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
3776         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
3777         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
3778         definitions added.
3779         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
3780         "reload_in<mode>", "reload_out<mode>"): Expander added.
3781         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
3782         Expander removed.
3783
3784 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3785
3786         * config/s390/s390.md: Only non-functional changes.  Renamed
3787         FPR mode macro to BFP all over the file.
3788
3789 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3790
3791         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
3792         (op_type attribute): RRF instruction type added.
3793         (fT0): New mode attribute.
3794         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
3795         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
3796         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
3797         no secondary memory is needed when moving DFmode values between GPRs
3798         and FPRs.
3799
3800 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3801
3802         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
3803         inverted and documentation adjusted.
3804         ("mhard-dfp", "msoft-dfp"): New options.
3805         * config/s390/s390.c (s390_handle_arch_option): New architecture
3806         switch: z9-ec.
3807         (override_options): Sanity checks for the new options added.
3808         * config.gcc: New architecture switch: z9-ec.
3809         * config/s390/s390.h (processor_flags): PF_DFP added.
3810         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
3811         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
3812         when the bit is NOT set so remove it from the defaults.
3813
3814 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3815
3816         * genemit.c (main): Print include statement for dfp.h.
3817         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
3818         is not available.
3819
3820 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
3821
3822         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
3823
3824 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
3825
3826         PR target/31022
3827         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
3828         instead of PATTERN.
3829
3830 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3831
3832         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
3833         attr_length_call, output_call, output_indirect_call): Cleanup
3834         formatting of targetm calls.
3835
3836 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
3837
3838         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
3839
3840 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3841
3842         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
3843         reservation, bypass and anti-bypass descriptions for these instructions.
3844         Update move patterns.
3845         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
3846         TYPE_FPSTORE.
3847
3848 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
3849
3850         * tree-vect-transform.c (get_initial_def_for_induction): Replace
3851         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
3852         (get_initial_def_for_reduction): Likewise.
3853
3854 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
3855
3856         Fix PR tree-optimization/29922
3857         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
3858         (get_representative): Removed.
3859         (value_dies_in_block_x): Update for rvuse removal.
3860         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
3861         (compute_antic_aux): Handle when PHI nodes appear in
3862         non-single-successors.
3863         (dump_bitmap_of_names): Removed.
3864         (compute_antic_safe): Renamed and removed rvuse calculation.
3865         Calculate only antic safe.
3866         (insert_into_preds_of_block): Remove assert.
3867         (execute_pre): Update for renamed functions.
3868         (defer_or_phi_translate_block): New function.
3869
3870 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
3871
3872         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
3873         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
3874         typos.
3875         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
3876         Follow spelling conventions.
3877
3878         * tree-data-ref.h: Remove the prototype for analyze_array.
3879
3880 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
3881
3882         PR tree-optimization/31041
3883         * tree-vect-transform.c (get_initial_def_for_induction): Call
3884         force_gimple_operand.
3885
3886 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
3887
3888         * ipa-type-escape.c (look_for_casts) : Revert code to use
3889         handled_component_p due to ada test a-numaux.adb.
3890
3891 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
3892
3893         * final.c (final_scan_insn): Alter the condition of a
3894         conditional trap if we have nonstandard CC.
3895
3896 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
3897
3898         * configure.ac: Remove excess quoting from asm line 0 test.
3899         * configure: Rebuilt.
3900
3901 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3902
3903         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
3904         * c-common.c (convert_and_check): Move warning logic to...
3905         (warnings_for_convert_and_check): ...here. Define.
3906         * c-common.h (warnings_for_convert_and_check): Declare.
3907
3908 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3909
3910         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
3911         (output_call): Likewise.
3912
3913 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
3914
3915         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
3916
3917 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
3918
3919         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
3920
3921 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
3922
3923         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
3924         opteron, athlon-64 and athlon-fx processor_alias_table entries.
3925
3926 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
3927
3928         PR tree-optimization/31183
3929         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
3930         Use double_int instead of unsigned int for representing access_strides.
3931         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
3932
3933 2007-03-16  Richard Guenther  <rguenther@suse.de>
3934
3935         PR tree-optimization/31146
3936         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
3937         to allow recursion of forward_propagate_addr_expr.
3938         (forward_propagate_addr_into_variable_array_index): Likewise.
3939         (forward_propagate_addr_expr): Likewise.
3940         (tree_ssa_forward_propagate_single_use_vars): Likewise.
3941         (forward_propagate_addr_expr_1): Recurse on simple copies
3942         instead of propagating into them.  Do so for useless conversions
3943         as well.
3944         (forward_propagate_addr_expr): Clean up unused statements after
3945         recursion.
3946
3947 2007-03-16  Richard Guenther  <rguenther@suse.de>
3948
3949         * builtins.c (expand_builtin_cexpi): Use the right argument
3950         for the expansion via cexp.
3951
3952 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
3953
3954         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
3955         * configure: Rebuilt.
3956
3957 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
3958
3959         PR debug/29906
3960         * dwarf2out.c (force_type_die): Adjust comment.
3961         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
3962
3963 2007-03-15  DJ Delorie  <dj@redhat.com>
3964
3965         * config/frv/predicates.md (minmax_operator): Don't check operands
3966         here.
3967
3968 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
3969
3970         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
3971         Update constant estimates of number of iterations.
3972         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
3973         argument renamed to "realistic".
3974         (compute_estimated_nb_iterations): Removed.
3975         (record_niter_bound): New function.
3976         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
3977         call record_nonwrapping_iv with upper = false.
3978         (infer_loop_bounds_from_signedness): Pass upper argument to
3979         record_nonwrapping_iv.
3980         (estimate_numbers_of_iterations_loop): Do not call
3981         compute_estimated_nb_iterations.  Record estimate based on profile
3982         information.  Initialize the constant estimates of number of
3983         iterations.
3984         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
3985         estimates.
3986         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
3987         number of iterations is too small.
3988         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
3989         (EST_NOT_AVAILABLE): Removed.
3990         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
3991         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
3992         fields.
3993
3994 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
3995
3996         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
3997         Handle NE_EXPR guards.
3998
3999 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4000
4001         PR c++/24924
4002         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
4003         Set also -pedantic-errors by default for the  preprocessor unless
4004         -fpermissive is given.
4005
4006 2007-03-15  Richard Guenther  <rguenther@suse.de>
4007
4008         PR middle-end/29719
4009         PR middle-end/31161
4010         * builtins.c (expand_builtin_cexpi): As a fallback if we
4011         don't have builtins for sincos or cexp create a function
4012         declaration for cexp and expand to a call to that.
4013         (expand_builtin_int_roundingfn): Always fall
4014         back to floor/ceil and its variants even if they may be
4015         not available.
4016
4017 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
4018
4019         PR middle-end/31159
4020         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
4021         jump tables, move the call to delete_dead_jumptables from here...
4022         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
4023         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
4024         don't allow merging of blocks that try_redirect_by_replacing_jump
4025         also does not handle when not optimizing.
4026
4027 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
4028             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
4029
4030         * config/i386/i386.md (x86_sahf_1): Correctly handle
4031         HAVE_AS_IX86_SAHF.
4032
4033 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
4034
4035         PR target/31167
4036         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
4037         x86_64_general_operand as operand[2] predicate.  Remove "iF"
4038         from operand constraints and use "e" constraint instead.
4039         (*subti3_1, *subti3_1 splitter): Ditto.
4040         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
4041         operand[1] predicate.
4042
4043 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
4044
4045         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
4046         arrays, multiply the access strides by the size of the sub-array.
4047         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
4048
4049 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
4050
4051         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
4052         the configured assembler supports the sahf mnemonic.
4053         * configure: Regenerate.
4054         * config.in: Regenerate.
4055
4056         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
4057         emit "sahf" or ".byte\t0x9e" as asm template.
4058
4059 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
4060
4061         PR 31018
4062         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
4063         option to replace hard coded TARGET_xxx in md file.
4064         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
4065         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
4066         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
4067         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
4068         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
4069         (X86_TUNE_NOT_VECTORMODE): Ditto.
4070         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
4071         (TUNE_AVOID_VECTOR_DECODE): Ditto.
4072         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
4073         (TUNE_SLOW_IMUL_IMM8): Ditto.
4074         (TUNE_MOVE_M1_VIA_OR): Ditto.
4075         (TUNE_NOT_UNPAIRABLE): Ditto.
4076         (TUNE_NOT_VECTORMODE): Ditto.
4077
4078         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
4079         options.
4080
4081         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
4082         tuning options instead of hard coded TARGET_xxx.
4083         (fix ssemode peephole2's): Ditto.
4084         (imul peephole2's): Ditto.
4085         (movsi_or): Ditto.
4086         (movdi_or_rex64): Ditto.
4087         (move peephole2): Ditto.
4088         (not peephole2's): Ditto.
4089
4090 2007-03-14  Dirk Mueller  <dmueller@suse.de>
4091
4092         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
4093         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
4094         * c-parser.c (c_parser_if_body): Always add an empty statement in case
4095         of empty body.
4096         * c-parser.c (c_parser_do_statement): Warn about empty body in
4097         do/while statement.
4098         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
4099         * doc/invoke.texi (-Wempty-body): Update documentation.
4100
4101 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4102
4103         PR c/21438
4104         * c-common.h (warn_for_div_by_zero): Declare.
4105         * c-common.c (warn_for_div_by_zero): Define.
4106         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
4107         warning.
4108
4109 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4110
4111         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
4112         to PREFIX and STANDARD_PREFIX.
4113
4114 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4115             Phil Edwards  <phil@codesourcery.com>
4116
4117         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
4118         (__gthread_once_t): Remove busy field for RTPs.
4119         (__GTHREAD_ONCE_INIT): Update accordingly.
4120
4121 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4122
4123         * doc/invoke.texi: Document VxWorks options.
4124
4125 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
4126
4127         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
4128
4129 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
4130
4131         PR tree-optimization/30590
4132         * tree-nrv.c (tree_nrv): Check for the partial update of the
4133         return value.
4134
4135 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
4136
4137         * flags.h (flag_random_seed): Remove declaration, in favor of...
4138         * toplev.h (get_random_seed, set_random_seed): ... these.
4139         * tree.c (get_file_function_name): Use the former.
4140         * opts.c (common_handle_option): Use the latter.
4141         * toplev.c
4142
4143 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
4144
4145         PR middle-end/31127
4146         * cse.c (cse_find_path): Do not bail out if a basic block that
4147         we already visited now becomes part of a path that starts at a
4148         different basic block.  Just disallow this, to make sure we
4149         visit each basic block at most once.
4150
4151 2007-03-13  Jan Hubicka  <jh@suse.cz>
4152
4153         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
4154         when profile esitmate is present, calls with very low frequency are
4155         cold.
4156
4157 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
4158
4159         PR tree-optimization/30730
4160         PR tree-optimization/26900
4161         * tree-ssa-loop-niter.c: Include gmp.h.
4162         (bounds): New type.
4163         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
4164         split_to_var_and_offset, determine_value_range,
4165         bound_difference_of_offsetted_base, refine_bounds_using_guard,
4166         bound_difference, bounds_add, bounds_negate,
4167         number_of_iterations_ne_max, dump_affine_iv): New functions.
4168         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
4169         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
4170         difference of initial and final value of control iv to validate
4171         results.
4172         (number_of_iterations_cond): Add loop parameter.  Determine bounds
4173         on the difference of the extremes of the control iv.  Add dumps.
4174         (expand_simple_operations): Handle phi nodes.
4175         (simplify_using_initial_conditions): Do not record used conditions.
4176         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
4177         Do not set additional_info.
4178         (implies_nonnegative_p, implies_ge_p): Removed.
4179         (derive_constant_upper_bound): Do not use parameter `additional'.
4180         (record_estimate): Parameter `additional' removed.  Parameter
4181         `i_bound' added.  Do not call derive_constant_upper_bound.
4182         (record_nonwrapping_iv): Use derive_constant_upper_bound to
4183         bound the number of iterations estimate.
4184         (estimate_numbers_of_iterations_loop): Pass the estimate from
4185         the number of iterations analysis to record_estimate.
4186         * tree.h (multiple_of_p): Declare.
4187         * tree-scalar-evolution.c (expression_expensive_p): Removed.
4188         (scev_const_prop): Do not check expression_expensive_p.
4189         * fold-const.c (multiple_of_p): Exported.
4190         * double-int.c (double_int_mask): Exported.
4191         * double-int.h (double_int_mask): Declare.
4192         * tree-flow.h (struct tree_niter_desc): Removed additional_info
4193         field.  Added max field.
4194
4195 2007-03-13  David Taylor  <taylor@candd.org>
4196
4197         PR driver/12448:
4198         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
4199         default -MQ.
4200
4201 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4202
4203         PR target/31123
4204         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
4205         two unamed patterns.
4206
4207 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
4208
4209         * config/i386/i386.opt (mcx16, msahf): New options.
4210         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
4211         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
4212
4213         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
4214         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
4215         Output -mcx16 and -msahf options when corresponding bit is set.
4216
4217         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
4218         and -msahf options.
4219
4220 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
4221
4222         * configure.ac: Test for assembler tolerance to # 0 "".
4223         * configure, config.in: Rebuilt.
4224         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
4225
4226 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
4227
4228         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
4229
4230         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
4231         (handle_syscall): Handle direct system calls.
4232         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
4233
4234 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
4235
4236         * doc/invoke.texi: Fix cpp.info cross-reference.
4237         * doc/passes.texi: Fix gcc.info cross-reference.
4238
4239 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
4240
4241         PR tree-optimization/30835
4242         * lambda-code.c (can_convert_to_perfect_nest): Check whether
4243         bb_for_stmt is not NULL before accessing it.
4244
4245 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
4246
4247         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
4248         some multilibs.
4249
4250 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
4251
4252         PR 30635
4253         * doc/install.texi: Document --enable-stage1-languages
4254
4255 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
4256
4257         * tree-pass.h (pass_into_cfg_layout_mode,
4258         pass_outof_cfg_layout_mode): Declare.
4259         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
4260         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
4261         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
4262         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
4263
4264 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
4265
4266         * c-decl.c (warn_variable_length_array): New function.
4267         Refactored from grokdeclarator to handle warn_vla
4268         and handle unnamed array case.
4269         (grokdeclarator): Refactored VLA warning case.
4270         * c.opt (Wvla): New flag.
4271         * doc/invoke.texi (Wvla): New warning.
4272
4273 2007-03-12  Richard Henderson  <rth@redhat.com>
4274
4275         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
4276         (TARGET_SECTION_TYPE_FLAGS): New.
4277
4278 2007-03-12  Richard Henderson  <rth@redhat.com>
4279
4280         * config/darwin.c (machopic_reloc_rw_mask): New.
4281         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
4282         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
4283
4284 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
4285
4286         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
4287         * cppdefault.h (cpp_PREFIX): Document.
4288         (cpp_PREFIX_len): Likewise.
4289         (cpp_EXEC_PREFIX): New variable.
4290         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
4291         * c-incpath.c (add_standard_paths): Correct logic for relocating
4292         paths within prefix.
4293
4294 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
4295
4296         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
4297         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
4298         mode macro.
4299         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
4300         fix_truncdfdi_sse using SSEMODEF mode macro.
4301         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
4302         fix_truncdfsi_sse using SSEMODEF mode macro.
4303         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
4304         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
4305
4306 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
4307
4308         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
4309         elfos.h to tm_file.
4310
4311 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
4312
4313         * tree.h : Add multiple_of_p declaration.
4314         * fold-const.c (multiple_of_p): Make multiple_of_p public.
4315         * ipa-type-escape.c (results_of_malloc): Redundant.
4316         (visited_stmts): New. Visited stmt for walk_use_def_chains.
4317         (cast_type): Extended with new members.
4318         (check_cast): Returns cast_type.
4319         (cast): New structure for data of walk_use_def_chains.
4320         (is_malloc_result, is_cast_from_non_pointer_1,
4321         is_cast_from_non_pointer,
4322         is_array_access_through_pointer_and_index): New functions.
4323         (look_for_casts): Returns cast types.
4324         (check_call): Returns void.
4325         (okay_pointer_operation): Use support of pointer plus index,
4326         pointer plus constant and allow all multiplications.
4327
4328 2007-03-11  Richard Guenther  <rguenther@suse.de>
4329
4330         PR tree-optimization/31115
4331         * tree-vrp.c (extract_range_from_binary_expr): Make sure
4332         the shift count is positive and non-anti-range for RSHIFT_EXPR.
4333         A shift count of zero is not special as with *_DIV_EXPR.
4334         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
4335         direction.
4336
4337 2007-03-11  Ian Lance Taylor  <iant@google.com>
4338
4339         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
4340         the *_DIV_EXPR codes correctly with overflow infinities.
4341
4342 2007-03-11  Ira Rosen  <irar@il.ibm.com>
4343
4344         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
4345         indicate success/failure of the analysis. Add negation to subtrahend
4346         in case of subtraction. Fail if both operands contain constants.
4347         (create_data_ref): Fail if analyze_offset fails.
4348
4349 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
4350
4351         * config/i386/i386.md (frndintxf2): Rename to ...
4352         (rintxf2): ... this. Remove expander having same name.
4353         (rintsf2, rintdf2): Implement using SSEMODEF macro.
4354         (roundsf2, rounddf2): Ditto.
4355         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
4356         (lround<mode>di2, lround<mode>si2): Ditto.
4357
4358 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
4359
4360         * lower-subreg.c: Include except.h.
4361         (decompose_multiword_subregs): Verify that the only control flow
4362         insns we can split are loads to multi-words pseudos.
4363         Handle breaking such blocks after splitting, instead of calling
4364         find_many_sub_basic_blocks.
4365
4366         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
4367         on the new basic block.  Add a lengthy comment explaining why we
4368         thought this was necessary.
4369         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
4370
4371 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
4372
4373         PR c++/30924
4374         * tree.c (walk_type_fields): Recurse into the element type of
4375         ARRAY_TYPEs if there is a pointer set.
4376
4377 2007-03-10  Dirk Mueller  <dmueller@suse.de>
4378
4379         * c-common.c (warn_logical_operator): Fix condition.
4380
4381 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
4382
4383         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
4384         quotation mark.
4385         * config/darwin.c (machopic_select_section): Remove superfluous
4386         argument in call to categorize_decl_for_section.  Remove unused
4387         variable shlib.
4388
4389 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
4390
4391         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
4392         defined.
4393         * configure: Regenerate.
4394
4395 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
4396
4397         PR target/31101
4398         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
4399         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
4400         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
4401         Add LABEL_NUSES to emitted label.
4402         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
4403         branch probability value to emitted jump insn.
4404         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
4405         Do not check life information and do not re-arrange input operands
4406         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
4407
4408 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
4409
4410         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
4411         the change of decode_asm_operands.
4412
4413 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
4414
4415         * mode-switching.c (create_pre_exit): Skip blockage insn.
4416
4417 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
4418
4419         * tree-pass.h (TODO_update_smt_usage): Remove.
4420         Update all users.
4421         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
4422         argument SOME.
4423         Update all users.
4424
4425 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4426
4427         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
4428         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
4429         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
4430         SOM target.
4431
4432 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
4433
4434         * gcc.c: Document %{, in big comment at top.
4435         (input_suffix_matches): Remove special handling for .s and
4436         .S.
4437         (input_spec_matches): New.
4438         (handle_braces): Handle %{,.
4439         (validate_switches): ',' indicates a value which is not a switch.
4440         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
4441         to detect assembler input.
4442         * config/i386/sol2.h (CPP_SPEC): Likewise.
4443         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
4444         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
4445         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
4446         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
4447         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
4448         -m64 causes deployment target to default to 10.5.
4449         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
4450
4451 2007-03-09  Richard Henderson  <rth@redhat.com>
4452
4453         PR target/26090
4454         * target.h (targetm.asm.out.reloc_rw_mask): New.
4455         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
4456         (TARGET_ASM_OUT): Use it.
4457         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
4458         * varasm.c (categorize_decl_for_section): Remove shlib argument;
4459         use the new reloc_rw_mask target hook instead.
4460         (default_section_type_flags_1): Merge into...
4461         (default_section_type_flags): ... here.
4462         (decl_readonly_section_1): Merge into...
4463         (decl_readonly_section): ... here.
4464         (default_elf_select_section_1): Merge into...
4465         (default_elf_select_section): ... here.
4466         (default_unique_section_1): Merge into...
4467         (default_unique_section): ... here.
4468         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
4469         (default_select_rtx_section): Use it.
4470         (default_elf_select_rtx_section): Likewise.
4471         * output.h: Update to match.
4472         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
4473         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
4474         (TARGET_ASM_RELOC_RW_MASK): New.
4475         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
4476         to categorize_decl_for_section.
4477         (x86_64_elf_unique_section): Likewise.
4478         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
4479         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
4480         (TARGET_ASM_RELOC_RW_MASK): New.
4481         * config/ia64/ia64.c (ia64_rwreloc_select_section,
4482         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
4483         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
4484         (TARGET_RWRELOC): Remove.
4485         (ia64_section_type_flags): Adjust call to default_section_type_flags.
4486         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
4487         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
4488         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
4489         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
4490         (rs6000_xcoff_select_section): Use decl_readonly_section.
4491         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
4492         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
4493         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
4494         (TARGET_SECTION_TYPE_FLAGS): Remove.
4495         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
4496
4497 2007-03-09  Roger Sayle  <roger@eyesopen.com>
4498
4499         * fold-const.c (fold_comparison): Remove compile-time evaluation of
4500         complex constant equality/inequality comparisons for here.
4501         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
4502         known at compile-time or can be simplified to a scalar comparison.
4503         (fold_relational_const): Move compile-time evaluation of complex
4504         constant equality/inequality comparisons to here.
4505
4506 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4507
4508         PR rtl-optimization/30643
4509         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
4510         dest_addr_elt.
4511         (fold_rtx): Recurse, like before 2006-11-03.
4512
4513 2007-03-09  DJ Delorie  <dj@redhat.com>
4514
4515         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
4516         m32c-pragma.o.
4517
4518 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
4519
4520         PR tree-optimization/30375
4521         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
4522         LHS of statements is not the same.
4523         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
4524
4525 2007-03-09  Chao-ying Fu  <fu@mips.com>
4526
4527         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
4528         REV 2.
4529         * doc/invoke.texi (-mdspr2): Document new option.
4530         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
4531         New unspec for DSP REV 2.
4532         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
4533         these instructions are extended in DSP REV 2.
4534         (mips-dspr2.md): Include.
4535         * config/mips/mips.opt (mdspr2): New option.
4536         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
4537         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
4538         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
4539         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
4540         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
4541         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
4542         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
4543         and 2 builtins.
4544         (bdesc_map): Add one field of unsupported_target_flags.
4545         (bdesc_arrays):  Update entries to have extra fields.  Add
4546         dsp_32only_bdesc.
4547         (mips_init_builtins): Initialize new function types.
4548         Check unsupported_target_fileds to filter out builtins.
4549         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
4550         TARGET_DSPR2.
4551         (ASM_SPEC): Pass mdspr2 to the assembler.
4552         * config/mips/mips-dspr2.md: New file.
4553
4554 2007-03-09  Sa Liu  <saliu@de.ibm.com>
4555
4556         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
4557
4558 2007-03-09  Ian Lance Taylor  <iant@google.com>
4559
4560         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
4561         argument) like -Wstrict-overflow=2.
4562         * doc/invoke.texi (Warning Options): Update documentation.
4563
4564 2007-03-09  Dirk Mueller  <dmueller@suse.de>
4565
4566         PR c++/17946
4567         * doc/invoke.texi (-Wlogical-op): Document.
4568         * common.opt (-Wlogical-op): New.
4569         * c-common.h (warn_logical_operator): Declare.
4570         * c-common.c (warn_logical_operator): Define.
4571         * c-typeck.c (parser_build_binary_op): Call
4572         warn_logical_operator.
4573
4574 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4575
4576         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
4577         * final.c (final_scan_insn): Test for non-"" file name.
4578
4579 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
4580
4581         * doc/loop.texi: Document the Omega linear constraints solver.
4582         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
4583         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
4584         omega-hash-table-size, omega-max-keys, and
4585         omega-eliminate-redundant-constraints.
4586         * tree-pass.h (pass_check_data_deps): Declared.
4587         * omega.c: New.
4588         * omega.h: New.
4589         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
4590         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
4591         pass_check_data_deps): New.
4592         * tree-data-ref.c (init_data_ref): Remove declaration.
4593         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
4594         (analyze_array): Renamed init_array_ref, move up initializations.
4595         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
4596         Removed arguments that are set to NULL.
4597         (analyze_indirect_ref): Correct indentation, correct call to
4598         init_pointer_ref.
4599         (object_analysis): Call init_array_ref instead of analyze_array.
4600         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
4601         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
4602         of DR_ACCESS_FNS_ADDR.
4603         (init_omega_eq_with_af, omega_extract_distance_vectors,
4604         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
4605         ddr_consistent_p): New.
4606         (compute_affine_dependence): Check consistency of ddrs when
4607         flag_check_data_deps is passed.
4608         (analyze_all_data_dependences): Uncomment.
4609         (tree_check_data_deps): New.
4610         * tree-data-ref.h: Include omega.h.
4611         (DR_ACCESS_FNS_ADDR): Removed.
4612         (data_dependence_relation): Add inner_loop.
4613         (DDR_INNER_LOOP): New.
4614         * common.opt (fcheck-data-deps): New.
4615         * tree-flow.h (tree_check_data_deps): Declare.
4616         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
4617         (OBJS-common): Depend on omega.o.
4618         (omega.o): Define.
4619         * passes.c (pass_check_data_deps): Scheduled.
4620         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
4621         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
4622         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
4623         PARAM_VECT_MAX_VERSION_CHECKS,
4624         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
4625
4626 2007-03-09  Richard Guenther  <rguenther@suse.de>
4627
4628         PR tree-optimization/30904
4629         PR middle-end/31058
4630         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
4631         the same way as *_DIV_EXPR.
4632
4633 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4634
4635         * recog.c (decode_asm_operands): No mixed declarations and code.
4636
4637 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4638
4639         * rtl.def (ASM_INPUT): Add location.
4640         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
4641         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
4642         (decode_asm_operands): Add loc operand.
4643         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
4644         * stmt.c (expand_asm): Rename to...
4645         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
4646         gen_rtx_ASM_INPUT_loc.
4647         (expand_asm_expr): Adjust.
4648         * recog.c (decode_asm_operands): Add loc operand.
4649         (check_asm_operands, extract_insn): Adjust.
4650         * reload1.c (maybe_fix_stack_asms): Likewise.
4651         * final.c (asm_insn_count): Likewise.
4652         (final_scan_insn): Output # line before and after asm.
4653
4654 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
4655
4656         * tree-ssa-structalias.c (variable_info): Remove
4657         finished_solution.
4658         (new_var_info): Ditto.
4659         (shared_bitmap_info_t): New structure.
4660         (shared_bitmap_table): New variable.
4661         (shared_bitmap_hash): New function.
4662         (shared_bitmap_eq): Ditto
4663         (shared_bitmap_lookup): Ditto.
4664         (shared_bitmap_add): Ditto.
4665         (merge_smts_into): Change to take bitmap directly.
4666         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
4667         (init_alias_vars): Init shared bitmap hashtable.
4668         (delete_points_to_sets): Delete shared bitmap hashtable.
4669         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
4670         is_aliased removal as a change that was still necessary was
4671         deleted.
4672
4673 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
4674
4675         * config/i386/i386.h (override_options): Conditionally disable
4676         x86_sahf for 64bit targets only.
4677
4678 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4679
4680         PR C/31072
4681         * c-decl.c (merge_decls): Don't call make_var_volatile.
4682         * varasm.c (make_var_volatile): Remove.
4683         * output.h (make_var_volatile): Remove.
4684
4685 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
4686
4687         PR tree-optimization/31085
4688         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
4689
4690 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4691
4692         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
4693         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
4694         ATTR_CONST_NOTHROW_LIST.
4695
4696         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
4697         FIX_TRUNC_EXPR.
4698
4699 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
4700
4701         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
4702
4703 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
4704
4705         PR 31013
4706         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
4707         is declared.
4708         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
4709         passed, use shared libgcc.
4710
4711 2007-03-08  Roger Sayle  <roger@eyesopen.com>
4712
4713         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
4714         instead of calling build2 with a GIMPLE_MODIFY_STMT.
4715         (honor_protect_cleanup_actions, lower_try_finally_switch):
4716         Likewise.
4717         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
4718         ifc_temp_var): Likewise.
4719         * tree-inline.c (setup_one_parameter): Likewise.
4720         * tree-mudflap.c (mf_decl_cache_locals,
4721         mf_build_check_statement_for): Likewise.
4722         * tree-nested.c (init_tmp_var, save_tmp_var,
4723         finalize_nesting_tree_1): Likewise.
4724         * tree-outof-ssa.c (insert_copy_on_edge,
4725         insert_backedge_copies): Likewise.
4726         * tree-profile.c (tree_gen_edge_profiler,
4727         tree_gen_ic_profiler): Likewise.
4728         * tree-scalar-evolution.c (scev_const_prop): Likewise.
4729         * tree-sra.c (sra_build_assignment): Likewise.
4730         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
4731         * tree-ssa-math-opts.c (insert_reciprocals,
4732         execute_cse_sincos_1): Likewise.
4733         * tree-tailcall.c (adjust_accumulator_values,
4734         adjust_return_value): Likewise.
4735         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
4736         * tree-vect-transform.c (vect_create_data_ref_ptr,
4737         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
4738         vect_create_epilog_for_reduction, vectorizable_reduction,
4739         vectorizable_call, vectorizable_conversion,
4740         vectorizable_assignment, vectorizable_operation,
4741         vectorizable_type_demotion, vect_gen_widened_results_half,
4742         vect_permute_store_chain, vectorizable_store,
4743         vect_setup_realignment, vect_permute_load_chain,
4744         vectorizable_load, vectorizable_condition,
4745         vect_create_cond_for_align_checks): Likewise.
4746         * tree-vrp.c (build_assert_expr_for): Likewise.
4747
4748 2007-03-08  Ian Lance Taylor  <iant@google.com>
4749
4750         * tree-vrp.c: Include "intl.h".
4751         (usable_range_p): New static function.
4752         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
4753         overflowed values, juts set *strict_overflow_p.
4754         (compare_values): Only return -2 if one of the operands is not a
4755         constant.
4756         (compare_ranges): Call usable_range_p.
4757         (compare_range_with_value): Likewise.
4758         (vrp_evaluate_conditional_warnv): Rename from
4759         vrp_evaluate_conditional.  Make static.  Change all callers.
4760         (vrp_evaluate_conditional): New function.
4761         (simplify_div_or_mod_using_ranges): Issue warning about reliance
4762         on signed overflow.
4763         (simplify_abs_using_ranges): Likewise.
4764         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
4765         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
4766         within_stmt parameter.
4767         * tree-ssa-propagate.c (fold_predicate_in): Update call to
4768         vrp_evaluate_conditional.
4769         * tree-ssa-threadedge.c
4770         (record_temporary_equivalences_from_stmts_at_dest): Change
4771         simplify parameter to take a second tree parameter.
4772         (simplify_control_stmt_condition): Likewise.
4773         (thread_across_edge): Likewise.
4774         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
4775         (thread_across_edge): Likewise.
4776         * Makefile.in (tree-vrp.o): Depend upon intl.h.
4777
4778 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
4779
4780         * config/i386/i386.h (TARGET_SAHF): New define.
4781         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
4782         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
4783         (x86_sahf): New global variable.
4784         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
4785         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
4786         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
4787         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
4788         for 64-bit.
4789         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
4790         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
4791         when expanding fcomi/sahf based tests.
4792         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
4793         expanding sahf based alternative. Emit sahf based sequence when
4794         optimizing for code size.
4795         * config/i386/i386.md (x86_sahf_1): Do not disable for
4796         TARGET_64BIT, enable for TARGET_SAHF.
4797
4798 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
4799
4800         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
4801         spurious whitespace from error message.
4802
4803 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
4804
4805         PR c++/30852
4806         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
4807
4808 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
4809
4810         * c-decl.c (grokdeclarator): Disable warnings for anonymous
4811         bitfields.
4812         * tree-sra.c (instantiate_element): Propagate disabled warnings
4813         from the element itself to the created variable.
4814
4815 2007-03-07  Richard Henderson  <rth@redhat.com>
4816
4817         PR target/30848
4818         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
4819         silently fix up the stack in the case of a missing register.
4820
4821 2007-03-07  Paul Brook  <paul@codesourcery.com>
4822
4823         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
4824
4825 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
4826
4827         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
4828         New.
4829         (phase1_vrs): Use them.
4830         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
4831         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
4832         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
4833         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
4834         __gnu_Unwind_Restore_WMMXC if required.
4835         (_Unwind_VRS_Pop): Implement iWMMXt support.
4836         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
4837         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
4838         gnu_Unwind_Save_WMMXC): Define.
4839
4840 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
4841
4842         * config/vxworks.h (vxworks_override_options): Declare.
4843         (VXWORKS_OVERRIDE_OPTIONS): Use it.
4844         * config/vxworks.c: Include target.h and toplev.h.
4845         (vxworks_override_options): New function.
4846         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
4847
4848 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
4849
4850         * config/s390/s390.c (override_options): Don't emit an error when
4851         -mstack-size is used without providing -mstack-guard.
4852         (s390_emit_prologue): Choose stack_guard value automatically if not
4853         provided via command line.
4854         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
4855
4856 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
4857
4858         * config/i386/i386.c (output_set_got): Add a GOT initialization
4859         sequence for VxWorks PIC.
4860         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
4861         around labels as well as symbols.  Use gotoff_operand instead
4862         of local_symbolic_operand.
4863         (legitimize_pic_address): Use gotoff_operand instead of
4864         local_symbolic_operand.  Use @GOT accesses for labels as
4865         well as symbols.
4866         (ix86_output_addr_diff_elt): Use PC-relative rather than
4867         GP-relative offsets for VxWorks PIC.
4868         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
4869         no_new_pseudos.  Check whether the returned register is op0.
4870         * config/i386/i386.md (tablejump): Use PC-relative rather than
4871         GP-relative offsets for VxWorks PIC.
4872         * config/i386/predicates.md (gotoff_operand): New predicate.
4873
4874 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4875
4876         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
4877         before defining.
4878         * config/vxworks-dummy.h: New file.
4879         * config/i386/i386.h: Include it.
4880
4881 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
4882
4883         * dwarf2out.c (is_inlined_entry_point): New
4884         (add_high_low_attributes): Emit DW_AT_entry_pc along with
4885         DW_AT_ranges if the first subblock is the entry point.
4886
4887 2007-03-06  David Daney  <ddaney@avtrex.com>
4888
4889         * doc/install.texi (mips-*-*): Change recommended binutils
4890         version.
4891
4892 2007-03-06  Anatoly Sokolov <aesok@post.ru>
4893
4894         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
4895         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
4896         devices.
4897         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4898         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4899
4900 2007-03-06  Jan Hubicka  <jh@suse.cz>
4901
4902         * errors.h (warning, error, fatal, internal_error): Mark as cold.
4903         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
4904         are hot.
4905         (probably_cold_bb_p): Cold functions are cold.
4906         (probably_never_executed_bb_p): Cold functions are cold.
4907         (tree_bb_level_predictions): Predict calls to cold functions as not
4908         taken.
4909         (compute_function_frequency): Check hot/cold attributes.
4910         * function.h (function_frequency): Update comments.
4911         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
4912         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
4913         (c_common_att): Add cold and hot.
4914
4915         * doc/extend.texi (hot,cold attributes): Document.
4916
4917 2007-03-06  Andrew Haley  <aph@redhat.com>
4918
4919         * function.c (expand_function_end): Move blockage to just after we
4920         emit the label for the naked return from the function.
4921
4922 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4923
4924         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
4925         before redefining.
4926
4927 2007-03-06  Jan Hubicka  <jh@suse.cz>
4928
4929         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
4930         loaded for constant large models.  Non-large 64bit PIC can do.
4931         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
4932         * cmodel.h: Add LARGE PIC.
4933         * i386.md (UNSPEC_PLTOFF): New.
4934         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
4935         needed.
4936         (*call_1_rex64): Disable for large models.
4937         (*call_1_rex64_large): New.
4938         (*call_value_1_rex64): Disable for large models.
4939         (*call_value_1_rex64_large): New.
4940         (set_rip_rex4): New.
4941         (set_got_offset_rex64): New.
4942         * predicates.md (constant_call_address_operand): For large model
4943         constant calls are not possible.
4944         * i386-protos.h (construct_plt_address): Declare.
4945         * i386.c (override_options): Accept large models.
4946         (ix86_expand_prologue): Expand large PIC GOT pointer load.
4947         (legitimate_constant_p): Add new UNSPECs.
4948         (legitimate_pic_operand_p): Likewise.
4949         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
4950         (legitimize_pic_address): Do easy RIP relative way for TLS only for
4951         non-large model.
4952         (output_pic_addr_const): Add PLTOFF.
4953         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
4954         (ix86_expand_move): Legitimize pic address when in PIC mode.
4955         (construct_plt_address): New function.
4956         (ix86_expand_call): Offload the address to register and use GOT pointer
4957         for large model.
4958         * invoke.texi (mcmodel=large): Update documentation.
4959
4960 2007-03-06  Richard Henderson  <rth@redhat.com>
4961
4962         * config/i386/i386.c (x86_use_leave, x86_push_memory,
4963         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
4964         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
4965         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
4966         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
4967         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
4968         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
4969         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
4970         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
4971         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4972         x86_partial_reg_dependency, x86_memory_mismatch_stall,
4973         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
4974         x86_sse_partial_reg_dependency, x86_sse_split_regs,
4975         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
4976         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
4977         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
4978         x86_schedule, x86_use_bt, x86_pad_returns,
4979         x86_use_xchgb): Merge into ...
4980         (ix86_tune_features): ... here.  New array.
4981         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
4982         x86_bswap): Merge into ...
4983         (ix86_arch_features): ... here.  New array.
4984         (x86_3dnow_a): Remove.
4985         (x86_accumulate_outgoing_args): Make static.
4986         (x86_arch_always_fancy_math_387): Make static.
4987         (ix86_tune_mask, ix86_arch_mask): Move ...
4988         (override_options): ... to local variables here.  Apply the
4989         appropriate mask to each element of ix86_arch_features and
4990         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
4991         as were done in the old macros.
4992         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
4993         * config/i386/i386.h (x86_use_leave, x86_push_memory,
4994         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
4995         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
4996         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
4997         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
4998         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
4999         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
5000         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
5001         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
5002         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
5003         x86_partial_reg_dependency, x86_memory_mismatch_stall,
5004         x86_accumulate_outgoing_args, x86_prologue_using_move,
5005         x86_epilogue_using_move, x86_decompose_lea,
5006         x86_arch_always_fancy_math_387, x86_shift1,
5007         x86_sse_partial_reg_dependency, x86_sse_split_regs,
5008         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
5009         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
5010         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
5011         x86_use_incdec, x86_pad_returns, x86_bswap,
5012         x86_partial_flag_reg_stall): Remove.
5013         (enum ix86_tune_indices): New.
5014         (ix86_tune_features): New.
5015         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
5016         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
5017         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
5018         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
5019         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
5020         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
5021         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
5022         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
5023         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
5024         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
5025         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
5026         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
5027         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
5028         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
5029         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
5030         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
5031         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
5032         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
5033         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
5034         TARGET_EXT_80387_CONSTANTS): Use it.
5035         (enum ix86_arch_indices): New.
5036         (ix86_arch_features): New.
5037         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
5038         TARGET_BSWAP): Use it.
5039         (ix86_tune_mask, ix86_arch_mask): Remove.
5040
5041 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
5042
5043         PR bootstrap/31020
5044         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
5045         Define using $${sysroot_headers_suffix}.
5046         * configure: Regenerate.
5047         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
5048         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
5049         defined.
5050         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
5051         * gcc.c (print_sysroot_headers_suffix): New.
5052         (option_map): Include --print-sysroot-headers-suffix.
5053         (display_help): Mention -print-sysroot-headers-suffix.
5054         (process_command): Handle -print-sysroot-headers-suffix.
5055         (do_spec_1): Append multilib directory to include-fixed path if
5056         sysroot suffixes in use.
5057         (main): Handle -print-sysroot-headers-suffix.
5058         * Makefile.in (start.encap): Don't depend on xlimits.h
5059         (xlimits.h): Remove.
5060         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
5061         limits.h for each multilib in fixinc_list.
5062         (fixinc_list, s-fixinc_list): New.
5063         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
5064         generate them for each multilib in fixinc_list.
5065         (stmp-fixproto): Use include-fixed.  Run fixproto for each
5066         multilib in fixinc_list.
5067         (mostlyclean): Don't remove xlimits.h.
5068         (clean): Remove include-fixed.
5069         (real-install-headers-tar, real-install-headers-cpio,
5070         real-install-headers-cp): Don't copy include, only include-fixed.
5071         (install-mkheaders): Depend on fixinc_list.  Don't depend on
5072         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
5073         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
5074         SYSTEM_HEADER_DIR setting in mkheaders.conf.
5075
5076 2007-03-06  Jan Hubicka  <jh@suse.cz>
5077
5078         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
5079         NANs easilly.
5080
5081 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5082
5083         * configure.ac: Allow tm_file to contain build-directory files.
5084         * configure: Regenerate.
5085         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
5086         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
5087         * config/m68k/print-sysroot-suffix.sh: New file.
5088
5089 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5090
5091         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
5092         of pic_offset_table_rtx if reload_completed.
5093         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
5094         PIC_OFFSET_TABLE_REGNUM.
5095         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
5096         return true.
5097         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
5098         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
5099
5100 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5101
5102         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
5103         functions that call eh_return.
5104
5105 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5106
5107         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
5108         functions that need a constant pool.
5109
5110 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5111
5112         PR target/28181
5113         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
5114         (m68k_preferred_reload_class): Likewise.
5115         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
5116         (SECONDARY_RELOAD_CLASS): Define.
5117         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
5118         (LIMIT_RELOAD_CLASS): Delete.
5119         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
5120         registers from storing bytes.
5121         (m68k_secondary_reload_class): New function.
5122         (m68k_preferred_reload_class): Likewise.
5123
5124 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5125
5126         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
5127         leaf functions.
5128         (m68k_expand_prologue): Likewise.
5129
5130 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5131
5132         * config/m68k/m68k-protos.h (output_sibcall): Declare.
5133         (mips_expand_epilogue): Add a bool parameter.
5134         (m68k_legitimize_sibcall_address): Declare.
5135         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
5136         (m68k_expand_epilogue): Add a parameter to select between sibling
5137         and normal epilogues.  Only generate a return for the latter.
5138         (m68k_ok_for_sibcall_p): New function.
5139         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
5140         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
5141         (sibcall_value, *sibcall_value): Likewise.
5142         (*call, *call_value): Require !SIBLING_CALL_P.
5143         (epilogue): Update call to m68k_expand_epilogue.
5144         (sibcall_epilogue): New pattern.
5145         * config/m68k/predicates.md (const_call_operand): Say that this
5146         predicate applies to sibling calls too.
5147         (sibcall_operand): New predicate.
5148
5149 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5150
5151         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
5152         alternatives as movsi_cf.
5153         (movsf_cf_hard): Add commentary.
5154
5155 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
5156             Richard Sandiford  <richard@codesourcery.com>
5157
5158         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
5159         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
5160         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
5161         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
5162         as being live on exit from an interrupt function.
5163         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
5164         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
5165         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
5166         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
5167         (m68k_interrupt_function_p): Globalize.
5168         (m68k_compute_frame_layout): Remove reverse mask code.
5169         (m68k_emit_movem, m68k_set_frame_related): New functions.
5170         (m68k_output_function_prologue): Delete in favor of...
5171         (m68k_expand_prologue): ...this new function.
5172         (m68k_output_function_epilogue): Delete in favor of...
5173         (m68k_expand_epilogue): ...this new function.
5174         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
5175         functions.
5176         (print_operand): Handle %?.
5177         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
5178         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
5179         (prologue, epilogue): New patterns.
5180         (return): Turn into a define_expand.
5181         (*return): New pattern, derived from old "return" pattern.  Use rte
5182         rather than rts for interrupt functions.  Only use rtd if the pop
5183         count is nonzero.
5184         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
5185         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
5186         (link, *link, unlink, *unlink, load_got): Likewise.
5187
5188 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5189
5190         PR target/23482
5191         PR target/17114
5192         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
5193         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
5194         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
5195         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
5196         and m68k_matches_u_p.
5197         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
5198         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
5199         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
5200         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
5201         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
5202         (REG_STRICT_P): New macro.
5203         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
5204         PCREL_GENERAL_OPERAND_OK.
5205         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
5206         m68k_legitimate_base_reg_p.
5207         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
5208         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
5209         (PIC_CASE_VECTOR_ADDRESS): Update comment.
5210         * config/m68k/m68k.c (m68k_address): New structure.
5211         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
5212         (m68k_decompose_index, m68k_legitimate_constant_address_p)
5213         (m68k_jump_table_ref_p, m68k_decompose_address)
5214         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
5215         (m68k_matches_u_p): New functions.
5216         (print_operand_address): Rewrite to use m68k_decompose_index.
5217
5218 2007-03-05  David Taylor  <dtaylor@emc.com>
5219
5220         * gcc.c: Correct copyright date in --version output.
5221
5222 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5223
5224         * pa.md: In unamed move patterns, disparge copies between general
5225         and floating point registers using '?' modifier.  Don't include 'f'
5226         constraint for register preferences in DImode, SImode, HImode and
5227         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
5228         Remove constraints for copies between general and floating registers
5229         in soft-float DFmode pattern.
5230         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
5231         floating register.
5232         (movsf): Likewise.
5233
5234 2007-03-05  Mike Stump  <mrs@apple.com>
5235
5236         * c-common.c (targetcm): Add.
5237         * c-opts.c (c_common_handle_option): Handle language specific
5238         target options.
5239         * opts.c (handle_option): Verify language for target options, if
5240         any are given.
5241         * opth-gen.awk: Add CL_LANG_ALL.
5242         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
5243         (TARGETCM_INITIALIZER): Add.
5244         * target.h (struct gcc_targetcm): Add.
5245         (targetcm): Add.
5246         * targhooks.c (default_handle_c_option): Add.
5247         * targhooks.h (default_handle_c_option): Add.
5248         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
5249
5250         * config/darwin.opt (iframework): Add.
5251         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
5252         * config/darwin-c.c (handle_c_option): Add.
5253         (TARGET_HANDLE_C_OPTION): Add.
5254         (targetcm): Add.
5255         * doc/invoke.texi (Darwin Options): Add -iframework.
5256
5257 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5258
5259         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
5260         conversion.
5261
5262 2007-03-05  Ian Lance Taylor  <iant@google.com>
5263
5264         * c.opt (fgnu89-inline): New option.
5265         * c-opts.c (c_common_post_options): Set default value for
5266         flag_gnu89_inline.
5267         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
5268         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
5269         inline functions.
5270         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
5271         (grokdeclarator, start_function): Likewise.
5272         * c-cppbuiltin.c (c_cpp_builtins): Define either
5273         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
5274         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
5275         (C Dialect Options): Document -fgnu89-inline.
5276         * doc/extend.texi (Function Attributes): Explain what the
5277         gnu_inline attribute does.
5278         * doc/cpp.texi (Common Predefined Macros): Document
5279         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
5280
5281 2007-03-05  Ian Lance Taylor  <iant@google.com>
5282
5283         PR tree-optimization/31034
5284         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
5285         half-range if the other side is an overflow infinity.
5286
5287 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
5288
5289         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
5290         (bfin*-linux-uclibc*): New configuration.
5291         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
5292         defining.
5293         * config/bfin/linux.h: New file.
5294         * config/bfin/libgcc-bfin.ver: New file.
5295         * config/bfin/t-bfin-uclinux: New file.
5296         * config/bfin/t-bfin-linux: New file.
5297         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
5298         (TARGET_OS_CPP_BUILTINS): New macro.
5299
5300 2007-03-05  Richard Guenther  <rguenther@suse.de>
5301
5302         * fold-const.c (fold_binary): Remove duplicate folding
5303         of comparison of non-null ADDR_EXPR against null.
5304
5305 2007-03-05  Richard Guenther  <rguenther@suse.de>
5306             Dorit Nuzman  <dorit@il.ibm.com>
5307
5308         PR tree-optimization/26420
5309         * tree-vectorizer.c (vectorize_loops): Bail out early if there
5310         are no loops in the function.  Only print the number of
5311         vectorized loops if it is greater than zero or we are supposed
5312         to print information about unvectorized loops.
5313
5314 2007-03-05  Revital Eres  <eres@il.ibm.com>
5315
5316         * gcc.dg/var-expand1.c: New test.
5317         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
5318         when an accumulator is expanded.
5319
5320 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5321
5322         PR other/30465
5323         * c-common.c (convert_and_check): Don't give warnings for
5324         conversion if 'expr' already overflowed.
5325
5326 2007-03-04  Roger Sayle  <roger@eyesopen.com>
5327
5328         PR middle-end/30744
5329         * fold-const.c (fold_comparison): Enforce type consistency when
5330         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
5331
5332 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
5333
5334         * tree-ssa-address.c (create_mem_ref): Do not put an expression
5335         containing a cast to the base of TARGET_MEM_REF.
5336
5337 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
5338
5339         * tree.c (tree_contains_struct_check_failed): Remove spurious
5340         whitespace from error message.
5341
5342 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
5343
5344         PR target/30406
5345         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
5346         instead of precision.
5347
5348 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
5349             Nathan Sidwell  <nathan@codesourcery.com>
5350
5351         * emit-rtl.c (find_auto_inc): New.
5352         (try_split): recreate REG_INC notes,
5353         Use regular for loops rather than whiles.
5354
5355 2007-03-03  Andreas Schwab  <schwab@suse.de>
5356
5357         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
5358         * configure: Regenerate.
5359
5360 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5361
5362         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
5363         flag_rounding_math, not flag_unsafe_math_optimizations.
5364
5365         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
5366         fold_build2.
5367         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
5368         alpha_fold_vector_minmax): Likewise.
5369         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
5370         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
5371
5372 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
5373
5374         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
5375         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
5376         if the lhs has side-effects.
5377         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
5378
5379 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5380
5381         * config/i386/i386.h (TUNEMASK): Remove define.
5382         (ARCHMASK): Remove define.
5383         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
5384          Use ix86_arch_mask variable instead of ARCHMASK.
5385         * config/i386/i386.c (override_options): Ditto.
5386         (standard_80387_constant_p): Ditto.
5387
5388 2007-03-02  Ian Lance Taylor  <iant@google.com>
5389
5390         Used signed infinities in VRP.
5391         * tree-vrp.c (uses_overflow_infinity): New static function.
5392         (supports_overflow_infinity): New static function.
5393         (make_overflow_infinity): New static function.
5394         (negative_overflow_infinity): New static function.
5395         (positive_overflow_infinity): New static function.
5396         (is_negative_overflow_infinity): New static function.
5397         (is_positive_overflow_infinity): New static function.
5398         (is_overflow_infinity): New static function.
5399         (overflow_infinity_range_p): New static function.
5400         (compare_values_warnv): New function split out of compare_values.
5401         (compare_value): Call it.
5402         (set_value_range_to_nonnegative): Add overflow_infinity
5403         parameter.  Change caller.
5404         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
5405         Change callers.
5406         (vrp_expr_computes_nonzero): Likewise.
5407         (compare_ranges, compare_range_with_value): Likewise.
5408         (compare_name_with_value, compare_names): Likewise.
5409         (vrp_evaluate_conditional): Likewise.
5410         (set_value_range): Handle infinity
5411         (vrp_operand_equal_p, operand_less_p): Likewise.
5412         (extract_range_from_assert): Likewise.
5413         (vrp_int_const_binop): Likewise.
5414         (extract_range_from_binary_expr): Likewise.
5415         (extract_range_from_unary_expr): Likewise.
5416         (extract_range_from_comparison): Likewise.
5417         (extract_range_from_expr): Likewise.
5418         (dump_value_range): Likewise.
5419         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
5420         (test_for_singularity): Likewise.
5421         (vrp_int_const_binop): Remove inline qualifier.
5422         (adjust_range_with_scev): Add comment.
5423         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
5424
5425 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
5426
5427         * tree-ssa-structalias.c (could_have_pointers): Tidy.
5428         (get_constraint_for): Likewise.
5429         (do_structure_copy): Likewise.
5430         (find_func_aliases): Fix references to MODIFY_EXPR.
5431         (intra_create_variable_infos): Tidy.
5432         * tree-ssa-operands.c (add_virtual_operand): Add argument
5433         IS_CALL_SITE.
5434         When adding members of alias sets, if IS_CALL_SITE is true and
5435         the symbol is not call-clobbered, skip it.
5436         Adjust all callers.
5437
5438 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
5439
5440         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
5441         entry by means of emit_insn_at_entry.
5442
5443 2007-03-02  Richard Henderson  <rth@redhat.com>
5444
5445         * expr.h (promoted_input_arg): Remove decl.
5446         * function.c (promoted_input_arg): Merge into ...
5447         * combine.c (setup_incoming_promotions): ... only caller.
5448         Rearrange to avoid double loop.
5449
5450 2007-03-02  Ben Elliston  <bje@au.ibm.com>
5451             Peter Bergner  <bergner@vnet.ibm.com>
5452             Janis Johnson  <janis187@us.ibm.com>
5453
5454         * config/rs6000/dfp.md: New file.
5455         * config/rs6000/rs6000.md: Include dfp.md.
5456         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
5457         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
5458         and TDmode decimal float modes in FP registers.
5459         (num_insns_constant): Likewise.
5460         (rs6000_legitimate_offset_address_p): Likewise.
5461         (rs6000_legitimize_address): Likewise.
5462         (rs6000_legitimize_reload_address): Likewise.
5463         (rs6000_legitimate_address): Likewise.
5464         (rs6000_emit_move): Likewise.
5465         (function_arg_boundary): Likewise.
5466         (function_arg_advance): Likewise.
5467         (rs6000_darwin64_record_arg_recurse): Likewise.
5468         (function_arg): Likewise.
5469         (rs6000_gimplify_va_arg): Likewise.
5470         (rs6000_split_multireg_move): Likewise.
5471         (rs6000_output_function_epilogue): Likewise.
5472         (rs6000_output_function_epilogue): Likewise.
5473         (rs6000_register_move_cost): Likewise.
5474         (rs6000_function_value): Likewise.
5475         (rs6000_libcall_value): Likewise.
5476
5477 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
5478
5479         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
5480
5481 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
5482
5483         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
5484         Use $MULTIDIR to choose between the kernel and RTP headers,
5485         and use $WIND_BASE and $WIND_USR to locate them.
5486
5487 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5488
5489         * config/i386/i386.c (override_options): Put initialization of
5490         ix86_tune_mask and ix86_arch_mask to the correct place.
5491
5492 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5493             Michael Meissner  <michael.meissner@amd.com>
5494
5495         PR target/31019
5496         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
5497         (ARCHMASK): Define.
5498         (TARGET_CMOVE): Use ARCHMASK.
5499         (TARGET_CMPXCHG): Ditto.
5500         (TARGET_CMPXCHG8B): Ditto.
5501         (TARGET_XADD): Ditto.
5502         (TARGET_BSWAP): Ditto.
5503         * config/i386/i386.c (ix86_tune_mask): New global variable.
5504         (ix86_arch_mask): Ditto.
5505         (override_options): Initialize ix86_tune_mask and
5506         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
5507         target_flags.
5508
5509 2007-03-02  Ben Elliston  <bje@au.ibm.com>
5510
5511         PR 30992
5512         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
5513
5514 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
5515
5516         * target.h (init_dwarf_reg_sizes_extra): New target hook.
5517         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
5518         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
5519         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
5520         hook.
5521         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
5522         rs6000_init_dwarf_reg_sizes_extra): New.
5523         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
5524         SPE register high parts.
5525
5526 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
5527
5528         * Makefile.in: Add install-pdf target as
5529         copied from automake v1.10 rules.
5530         * configure.ac: Add install-pdf to target list.
5531         * configure: Regenerate.
5532
5533 2007-03-01  Paul Brook  <paul@codesourcery.com>
5534
5535         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
5536         modes to LDRD for DImode.
5537         (output_move_double): Fixup out of range ldrd/strd.
5538         (vfp_secondary_reload_class): Rename...
5539         (coproc_secondary_reload_class): ... to this.  Add wb argument.
5540         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
5541         coproc_secondary_reload_class for CLASS_IWMMXT.
5542         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
5543         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
5544
5545 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
5546
5547         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
5548         factor by the estimated number of iterations.
5549         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
5550         prefetch latency.
5551
5552         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
5553         decode_caches_intel, detect_caches_intel): New functions.
5554         (host_detect_local_cpu): Use detect_caches_amd and
5555         detect_caches_intel.
5556
5557 2007-03-01  Richard Henderson  <rth@redhat.com>
5558
5559         * expr.c (emit_move_complex_push): Export.
5560         (emit_move_complex_parts): Split out from ...
5561         (emit_move_complex): ... here.
5562         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
5563         * config/i386/i386.md (movcdi): New.
5564
5565 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
5566
5567         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
5568         size of mode1 to check for tieable modes in MMX case.
5569
5570 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
5571
5572         * Makefile.in (rtlanal.o): Depend on tree.h.
5573         * rtl.h (offset_within_section_p, split_const): Declare.
5574         * rtlanal.c: Include tree.h.
5575         (offset_within_block_p): New function, taken from
5576         mips_offset_within_object_p.
5577         (split_const): New function, taken from mips_split_const.
5578         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
5579         Declare.
5580         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
5581         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
5582         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
5583         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
5584         (m68k_illegitimate_symbolic_constant_p): New function.
5585         * config/m68k/m68k.md (movsi): Remove misleading predicates.
5586         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
5587         symbolic constant that might be outside the symbol's section,
5588         move the symbol first and then add the offset.
5589         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
5590         Override.
5591         * config/mips/mips.c (mips_split_const): Delete.
5592         (mips_offset_within_object_p): Delete.
5593         (mips_symbolic_constant_p): Use offset_within_section_p and
5594         split_const instead of mips_offset_within_object_p and
5595         mips_split_const.
5596         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
5597         (mips_legitimize_const_move, print_operand_reloc)
5598         (mips_dangerous_for_la25_p): Use split_const instead of
5599         mips_split_const.
5600
5601 2007-02-28  Eric Christopher  <echristo@apple.com>
5602
5603         * Makefile.in (install-include-dir): Don't rm -rf include.
5604
5605 2007-02-28  Richard Guenther  <rguenther@suse.de>
5606
5607         PR middle-end/30364
5608         * fold-const.c (fold_binary): Do not associate expressions
5609         with more than one variable for integer types that do not wrap.
5610
5611 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
5612
5613         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
5614         Delete, and replace with...
5615         (fold_builtin_call_array): This.  Update callers to use it.
5616         * fold-const.c (fold_build_call_list): Delete, and replace with...
5617         (fold_build_call_array): This.
5618         (fold_build_call_list_initializer): Delete, and replace with...
5619         (fold_build_call_array_initializer): This.
5620         * tree.h: Update declarations to reflect above changes.
5621
5622         * c-typeck.c (build_function_call): Store converted arguments
5623         in a stack-allocated array instead of building a list.
5624         (convert_arguments): Store arguments in the array passed in as an
5625         argument, and return the actual number of arguments.
5626         * c-format.c: (check_function_format): Pass arguments in an
5627         array instead of a list.
5628         * c-common.c (check_function_nonnull): Likewise.
5629         (check_function_sentinel): Likewise.
5630         (check_function_arguments): Likewise.
5631         * c-common.h: Update declarations to reflect above changes.
5632
5633 2007-02-28  Jan Hubicka  <jh@suse.cz>
5634
5635         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
5636         PRED_NEGATIVE_RETURN): Update outcomes.
5637
5638 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
5639
5640         * calls.c (emit_library_call_value_1): Handle partial registers
5641         correctly when building up CALL_INSN_FUNCTION_USAGE.
5642
5643 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5644
5645         * pa/predicates.md (move_src_operand): Allow zero for mode.
5646         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
5647         move pattern.
5648
5649 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
5650
5651         PR target/30970
5652         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
5653         *movv2df_internal): Enable pattern only for valid operand
5654         combinations.
5655         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
5656         tie only 128bit modes. For MMX registers, tie only 64bit modes.
5657
5658 2007-02-27  Mike Stump  <mrs@apple.com>
5659
5660         * config/darwin-crt3.c: Avoid compilation when compiling for a
5661         kext multilib.
5662
5663 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
5664
5665         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
5666         FIXED_INCLUDE_DIR.
5667         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
5668         for fixed headers and limits.h.
5669         (install-include-dir, install-headers-tar, install-headers-cpio,
5670         install-headers-cp, real-install-headers-tar,
5671         real-install-headers-cpio, real-install-headers-cp): Handle
5672         include-fixed as well as include.
5673         (install-mkheaders): Don't install files that go only in include
5674         not include-fixed.
5675         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
5676         from GCC_INCLUDE_DIR.
5677         * gcc.c (process_command): Remove special -BstageN/ handling.
5678         (do_spec_1): Add include-fixed directories.
5679
5680 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5681
5682         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
5683         _smulsi3_highpart.
5684         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
5685         New functions.
5686         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
5687         patterns.
5688
5689 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
5690
5691         * c-common.c (get_priority): Add check for
5692         SUPPORTS_INIT_PRIORITY.
5693
5694 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5695
5696         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
5697
5698         * config/bfin/bfin.c: Include "cfglayout.h".
5699         (MAX_LSETUP_DISTANCE): New macro.
5700         (struct loop_info): New members incoming, incoming_src and
5701         incoming_dest.  Delete member predecessor.
5702         (length_for_loop): New function.
5703         (bfin_optimize_loop): Handle more different loop structures.
5704         (bfin_discover_loop): Rework detection of predecessor blocks by
5705         examining incoming edges.
5706         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
5707         bfin_reorg_loops.
5708         (bfin_reorder_loops): New function.
5709         (bfin_reorg_loops): Use these three new functions.
5710
5711         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
5712         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
5713         (CONSTRAINT_LEN): Add entry for 'q'.
5714         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
5715         Add 'q' constraints.
5716         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
5717         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
5718
5719         * config/bfin/bfin.md (add_with_carry): New pattern.
5720         (s_or_u, su_optab, su_modifier): New code macros/attrs.
5721         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
5722         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
5723         support unsigned multiplies too.  Removed incorrect commutativity from
5724         operand 1 constraint where appropriate.
5725         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
5726         patterns.
5727         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
5728         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
5729         New patterns.
5730         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
5731         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
5732         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
5733         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
5734         usmulhisi_hh_huh): New patterns.
5735
5736         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
5737         lshifthi3): Fix output template to use half reg for operand 2.
5738
5739         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
5740         instead of R2.
5741
5742         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
5743
5744 2007-02-27  Andreas Schwab  <schwab@suse.de>
5745
5746         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
5747
5748 2007-02-27  Jan Hubicka  <jh@suse.cz>
5749
5750         * predict.c (last_basic_block_p): Remove.
5751         (tree_estimate_probability): Update return heuristic for commonized
5752         return blocks.
5753
5754 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
5755
5756         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
5757
5758 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
5759
5760         * doc/include/gcc-common.texi (versionsubtitle): New macro.
5761         * doc/cpp.texi: Standardize title page.
5762         * doc/cppinternals.texi: Likewise.
5763         * doc/gcc.texi: Standardize title page, remove version number
5764         from copyright page.
5765         * doc/gccint.texi: Likewise.
5766         * doc/install.texi: Standardize title page, add table of
5767         contents.
5768
5769 2007-02-26  Jan Hubicka  <jh@suse.cz>
5770
5771         * predict.def: Set outcomes according to more recent results.
5772         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
5773         Remove dead predictors.
5774         * predict.c (return_prediction): Fix pasto.
5775
5776 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5777
5778         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
5779         change; avoid a memory leak when returning early.
5780
5781 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
5782
5783         * c-decl.c (static_ctors): Move to c-common.c.
5784         (static_dtors): Likewise.
5785         (finish_function): Use c_record_cdtor_fn.
5786         (build_cdtor): Move to c-common.c.
5787         (c_write_global_declarations): Use c_build_cdtor_fns.
5788         * c-common.h (static_ctors): Declare.
5789         (static_dtors): Likewise.
5790         (c_record_cdtor_fn): Likewise.
5791         (c_build_cdtor_fns): Likewise.
5792         * c-common.c (static_ctors): New variable.
5793         (static_dtors): Likewise.
5794         (c_record_cdtor_fn): New function.
5795         (build_cdtor): Move from c-decl.c
5796         (c_build_cdtor_fns): New function.
5797
5798         * output.h (assemble_addr_to_section): Declare.
5799         (get_cdtor_priority_section): Likewise.
5800         * varasm.c (assemble_addr_to_section): New function.
5801         (get_cdtor_priority_section): Likewise.
5802         (default_named_section_asm_out_destructor): Use them.
5803         (destor_dtor_section_asm_out_destructor): Likewise.
5804         (default_named_section_asm_out_constructor): Likewise.
5805         (default_ctor_section_asm_out_constructor): Likewise.
5806         * config.gcc (*-*-vxworks*): Include vxworks.o.
5807         * config/t-vxworks (vxworks.o): New target.
5808         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
5809         (TARGET_ASM_CONSTRUCTOR): Define.
5810         (TARGET_ASM_DESTRUCTOR): Likewise.
5811         (vxworks_asm_out_constructor): Declare.
5812         (vxworks_asm_out_destructor): Likewise.
5813
5814         * c-common.c (get_priority): Check that we have not just an
5815         INTEGER_CST, but an integer constant with integeral type.
5816
5817 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
5818
5819         PR tree-optimization/30938
5820         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
5821         use &dt[nargs-1] instead of &dt[nargs] in the call to
5822         vect_is_simple_use().
5823
5824 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
5825
5826         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
5827         from register elimination as PRE_MODIFY / POST_MODIFY increments.
5828         Do not attempt to handle MEM inside auto-inc expressions.
5829         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
5830         of a register modified by an auto-inc expression.  However, do handle
5831         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
5832         (elimination_effects): Prohibit elimination of a register modified
5833         by an auto-inc expression.  Disable register elimination rules whose
5834         target register is modified by an auto-inc expression with variable
5835         increment.
5836
5837 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
5838
5839         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
5840         off-by-one error.
5841         (array_at_struct_end_p): New function.
5842         (idx_infer_loop_bounds): Use it.
5843         (estimate_numbers_of_iterations_loop): Export.
5844         * predict.c (predict_loops): Use estimated_loop_iterations_int.
5845         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
5846         (tree_estimate_probability): Call record_loop_exits.
5847         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
5848         (estimated_loop_iterations, estimated_loop_iterations_int,
5849         estimated_loop_iterations_tree): New functions.
5850         (analyze_siv_subscript_cst_affine,
5851         compute_overlap_steps_for_affine_1_2,
5852         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
5853         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
5854         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
5855         (PRED_LOOP_ITERATIONS_GUESSED): New.
5856         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
5857         * cfgloop.h (estimate_numbers_of_iterations_loop,
5858         estimated_loop_iterations_int): Declare.
5859
5860 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
5861
5862         * doc/extend.texi: Document optional priority argument to
5863         constructors and destructors.
5864         * tree.c (init_priority_for_decl): Adjust GTY markers.
5865         (init_ttree): Use priority-info hash functions for
5866         init_priority_for_decl.
5867         (tree_map_eq): Rename to ...
5868         (tree_map_base_eq): ... this.
5869         (tree_map_marked_p): Rename to ...
5870         (tree_map_base_marked_p): ... this.
5871         (tree_map_base_hash): New function.
5872         (decl_init_priority_lookup): Rework.
5873         (decl_fini_priority_lookup): New function.
5874         (decl_priority_info): New function.
5875         (decl_init_priority_insert): Use it.
5876         (decl_fini_priority_insert): Likewise.
5877         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
5878         hierarchy.
5879         (decl_restrict_base_insert): Likewise.
5880         (decl_debug_expr_insert): Likewise.
5881         (decl_value_expr_lookup): Likewise.
5882         (decl_value_expr_insert): Likewise.
5883         * tree.h (priority_type): New type.
5884         (decl_init_priority_lookup): Use priority_type.
5885         (decl_fini_priority_lookup): New function.
5886         (decl_init_priority_insert): Use priority_type.
5887         (decl_fini_priority_insert): New function.
5888         (DECL_HAS_INIT_PRIORITY): Tweak comments.
5889         (DECL_INIT_PRIORITY): Likewise.
5890         (SET_DECL_INIT_PRIORITY): Add comment.
5891         (DECL_FINI_PRIORITY): New macro.
5892         (SET_DECL_FINI_PRIORITY): Likewise.
5893         (DEFAULT_INIT_PRIORITY): Document.
5894         (MAX_INIT_PRIORITY): Likewise.
5895         (MAX_RESERVED_INIT_PRIORITY): Likewise.
5896         (tree_map_base): New type.
5897         (tree_map_base_eq): New function.
5898         (tree_map_base_hash): Likewise.
5899         (tree_map_base_marked_p): Likewise.
5900         (tree_map): Inherit from tree_map_base.
5901         (tree_map_eq): Make it a macro.
5902         (tree_map_marked_p): Likewise.
5903         (tree_int_map): Inherit from tree_map_base.
5904         (tree_int_map_eq): Make it a macro.
5905         (tree_int_map_hash): Likewise.
5906         (tree_int_map_marked_p): Likewise.
5907         (tree_priority_map): New type.
5908         (tree_priority_map_eq): New macro.
5909         (tree_priority_map_hash): Likewise.
5910         (tree_priority_map_marked_p): Likewise.
5911         * varasm.c (emults_decl): Adjust for refactoring of tree_map
5912         hierarchy.
5913         (emutls_common_1): Likewise.
5914         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
5915         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
5916         of tree_map hierarchy.
5917         * tree-cfg.c (move_stmt_r): Likewise.
5918         (new_label_mapper): Likewise.
5919         * c-tree.h (c_expand_body): Move to ...
5920         * c-common.h (c_expand_body): ... here.
5921         * c-decl.c (c_expand_body): Move to ...
5922         * c-common.c (c_expand_body): ... here.
5923         (c_common_attribute_table): Allow 1 argument for the constructor
5924         and destructor attributes.
5925         (get_priority): New function.
5926         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
5927         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
5928
5929 2007-02-24  Jan Hubicka  <jh@suse.cz>
5930
5931         PR middle-end/30509
5932         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
5933
5934 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
5935             Jan Hubicka  <jh@suse.cz>
5936
5937         PR target/30778
5938         * i386.c (counter_mode): New function.
5939         (expand_set_or_movmem_via_loop): Use it.
5940         (expand_movmem_epilogue): Likewise; fix pasto.
5941         (ix86_expand_movmem): Do emit guard even for constant counts.
5942         (ix86_expand_setmem): Likewise.
5943
5944 2007-02-25  Nick Clifton  <nickc@redhat.com>
5945
5946         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
5947         (JUMP_TABLES_IN_TEXT_SECTION): Define.
5948
5949 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
5950
5951         PR target/30770
5952         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
5953         count argument with 0x10, not with 0x16.
5954         (expand_setmem_epilogue): Ditto.
5955
5956 2007-02-24  Mike Stump  <mrs@apple.com>
5957
5958         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
5959         symbols.
5960
5961 2007-02-24  Richard Guenther  <rguenther@suse.de>
5962
5963         PR middle-end/30951
5964         * fold-const.c (fold_binary): Fold x +- CST op x for
5965         EQ_EXPR and NE_EXPR.
5966
5967 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5968
5969         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
5970
5971 2007-02-24  Jan Hubicka  <jh@suse.cz>
5972
5973         * cgraphunit.c (decide_is_function_needed): Honor
5974         -fkeep-inline-functions.
5975
5976 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5977
5978         * builtins.c (fold_builtin_modf): New.
5979         (fold_builtin_2): Use it.
5980
5981 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
5982
5983         * loop-iv.c (implies_p): Detect additional cases where A implies B.
5984         (determine_max_iter): Take additional LOOP arg; all callers changed.
5985         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
5986         one using simplifications.
5987         (simplify_using_initial_values): Return if the expression becomes
5988         invalid due to altered regs.
5989
5990 2007-02-23  DJ Delorie  <dj@redhat.com>
5991
5992         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
5993
5994 2007-02-23  Mike Stump  <mrs@apple.com>
5995
5996         * tlink.c (scan_linker_output): Parse linker messages from
5997         darwin9's linker better.
5998
5999 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
6000
6001         PR debug/29614
6002         * varpool.c (varpool_assemble_pending_decls):  Set
6003         varpool_last_needed_node to null.
6004
6005 2007-02-23  DJ Delorie  <dj@redhat.com>
6006
6007         * config/i386/i386.c (ix86_data_alignment): Don't specify an
6008         alignment bigger than the object file can handle.
6009
6010 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
6011
6012         PR target/30825
6013         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
6014         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
6015         (*movsf_1): Penalize MMX moves.
6016
6017 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
6018
6019         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
6020         2^32-1 or more times unless flag_unsafe_loop_optimizations.
6021
6022         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
6023
6024 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6025
6026         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
6027         (fold_builtin_1): Use them.
6028         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
6029         BUILT_IN_SIGNIFICAND.
6030
6031 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
6032
6033         * config/i386/i386.c (bdesc_1arg): Initialize
6034         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
6035         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
6036         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
6037         and IX86_BUILTIN_MOVSLDUP.
6038
6039 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
6040
6041         PR rtl-optimization/30841
6042         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
6043
6044 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6045
6046         * builtins.c (fold_builtin_frexp): New.
6047         (fold_builtin_2): Use it.
6048
6049 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
6050
6051         * doc/invoke.texi (Spec Files): Document getenv spec function.
6052
6053         * gcc.c (getenv_spec_function): New function.
6054         (static_spec_functions): Add it.
6055         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
6056         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
6057         header files.
6058
6059 2007-02-22  Michael Matz  <matz@suse.de
6060
6061         PR c++/29433
6062         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
6063         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
6064
6065 2007-02-22  Ian Lance Taylor  <iant@google.com>
6066
6067         PR debug/30898
6068         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
6069         (mem_loc_descriptor): Call it.
6070
6071 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
6072             Ira Rosen  <irar@il.ibm.com>
6073
6074         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
6075
6076 2007-02-22  Ira Rosen  <irar@il.ibm.com>
6077
6078         PR tree-optimization/30843
6079         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
6080         stores only after all the group is vectorized.
6081
6082 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
6083
6084         PR tree-optimization/30858
6085         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
6086         in the reduction cycle have a single use in the loop.
6087         * tree-vectorizer.h (relevant): Add documentation.
6088
6089 2007-02-20  Mike Stump  <mrs@apple.com>
6090
6091         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
6092         * configure: Regenerate.
6093
6094 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
6095
6096         Change the defaults of some parameters and options.
6097         * config/spu/spu-protos.h (spu_optimization_options): Declare.
6098         * config/spu/spu.c (spu_optimization_options): Add.
6099         (spu_override_options): Change params in spu_optimization_options.
6100         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
6101
6102         Register 127 is only 16 byte aligned when used as a frame pointer.
6103         * config/spu/spu-protos.h (spu_init_expanders): Declare.
6104         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
6105         HARD_FRAME_POINTER_REGNUM.
6106         (spu_legitimate_address):  Use regno_aligned_for_reload.
6107         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
6108         aligned when frame_pointer_needed is true.
6109         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
6110         to 8 bits.
6111         * config/spu/spu.h (INIT_EXPANDERS): Define.
6112
6113         Make sure shift and rotate instructions have valid immediate operands.
6114         * config/spu/predicates.md (spu_shift_operand): Remove.
6115         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
6116         * config/spu/constraints.md (W, O): Extend range.
6117         * config/spu/spu.md (umask, nmask): Define.
6118         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
6119         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
6120         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
6121         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
6122         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
6123         (lshr<mode>3_reg):  Fix rtl description.
6124
6125         Make sure mulhisi immediate operands are valid.
6126         * config/spu/predicates.md (imm_K_operand): Add.
6127         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
6128
6129         Generate constants using fsmbi and andi.
6130         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
6131         (print_operand, spu_split_immediate, classify_immediate,
6132         fsmbi_const_p): Handle IC_FSMBI2.
6133
6134         Correctly handle a CONST_VECTOR containing symbols.
6135         * config/spu/spu.c (print_operand): Handle HIGH correctly.
6136         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
6137         (immediate_load_p): Allow symbols that use 2 instructions to create.
6138         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
6139         with symbols when flag_pic is set.
6140         (const_vector_immediate_p): New.
6141         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
6142         accept a CONST_VECTOR with symbols.
6143         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
6144         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
6145         correctly.
6146         * config/spu/spu.md (high, low): Delete.
6147         (low_<mode>): Define.
6148
6149         Remove INTRmode and INTR_REGNUM, which didn't work.
6150         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
6151         of INTR_REGNUM.
6152         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
6153         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
6154         peephole2 pattern): Don't use INTR or 131.
6155         (movintrcc): Delete.
6156         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
6157         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
6158         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
6159         (UNSPEC_SET_INTR): Add.
6160         * config/spu/spu-modes.def (INTR): Remove.
6161
6162         More accurate warnings about run-time relocations.
6163         * config/spu/spu.c (reloc_diagnostic): Test in_section.
6164
6165         Correctly warn about immediate arguments to specific intrinsics.
6166         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
6167         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
6168         the instruction predicate.
6169
6170         Fix tree check errors with latest update.
6171         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
6172         CALL_EXPR_ARG.
6173         (spu_expand_builtin): Use CALL_EXPR_FN.
6174
6175         Add missing specific intrinsics.
6176         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
6177         si_bislede.
6178         * config/spu/spu_internals.h: Ditto.
6179
6180         Fix incorrect operand modifiers.
6181         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
6182         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
6183
6184         Optimize one case of zero_extend of a vec_select.
6185         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
6186
6187         Accept any immediate for hbr.
6188         * config/spu/spu.md (hbr):  Change s constraints to i.
6189
6190 2007-02-21  Paul Brook  <paul@codesourcery.com>
6191
6192         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
6193         condexec_count when skipping USE and CLOBBER.
6194
6195 2007-02-21  Nick Clifton  <nickc@redhat.com>
6196
6197         * common.opt (Warray-bounds): Add Warning attribute.
6198         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
6199         Likewise.
6200         (fsized-zeroes): Add Optimization attribute.
6201         (fsplit-wide-types, ftree-scev-cprop): Likewise.
6202         * c.opt (Wc++0x-compat): Add Warning attribute.
6203
6204 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
6205
6206         PR middle-end/30761
6207         * reload1.c (eliminate_regs_in_insn): In the single_set special
6208         case, attempt to re-recognize the insn before falling back to
6209         having reload fix it up.
6210
6211 2007-02-20  Eric Christopher  <echristo@gmail.com>
6212
6213         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
6214         Rewrite accordingly.
6215         (frv_read_iacc_argument): Ditto.
6216         (frv_expand_set_builtin): Take a call instead of arglist, update for
6217         above changes.
6218         (frv_expand_unop_builtin): Ditto.
6219         (frv_expand_binop_builtin): Ditto.
6220         (frv_expand_cut_builtin): Ditto.
6221         (frv_expand_binopimm_builtin): Ditto.
6222         (frv_expand_voidbinop_builtin): Ditto.
6223         (frv_expand_int_void2arg): Ditto.
6224         (frv_expand_prefetches): Ditto.
6225         (frv_expand_voidtriop_builtin): Ditto.
6226         (frv_expand_voidaccop_builtin): Ditto.
6227         (frv_expand_load_builtin): Ditto.
6228         (frv_expand_store_builtin): Ditto.
6229         (frv_expand_mdpackh_builtin): Ditto.
6230         (frv_expand_mclracc_builtin): Ditto.
6231         (frv_expand_mrdacc_builtin): Ditto.
6232         (frv_expand_mwtacc_builtin): Ditto.
6233         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
6234         calls for above.
6235
6236 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
6237
6238         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
6239         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
6240         cmpb instruction.
6241         (HAVE_GAS_DFP): Check for assembler support of decimal floating
6242         point instructions.
6243         * configure: Regenerate.
6244         * config.in: Regenerate.
6245         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
6246         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
6247         masks to power6 and power6x and to POWERPC_MASKS.
6248         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
6249         _ARCH_PWR6.
6250         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
6251         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
6252         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
6253         Access PROTOTYPE as variable, not mask.
6254
6255 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
6256
6257         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
6258         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
6259         * combine.c (adjust_for_new_dest): Use it.
6260         * postreload.c (reload_combine): Likewise.
6261
6262 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
6263
6264         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
6265         notes on an insn with multiple sets, even if single_set returns
6266         non-NULL for that insn.
6267
6268 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6269
6270         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
6271         scalbn and scalbln.
6272
6273 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
6274
6275         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
6276         if user didn't pass it.
6277         * config/i386/darwin.h (CC1_SPEC): Likewise.
6278         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
6279         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
6280         -mmacosx-version-min.
6281
6282 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6283             Uros Bizjak  <ubizjak@gmail.com>
6284
6285         * optabs.h (enum optab_index): Add new OTI_scalb.
6286         (scalb_optab): Define corresponding macro.
6287         * optabs.c (init_optabs): Initialize scalb_optab.
6288         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
6289         patterns.
6290         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
6291         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
6292         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
6293         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
6294         flag_unsafe_math_optimizations is set.
6295
6296         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
6297         to implement scalbf, scalb and scalbl built-ins as inline x87
6298         intrinsics.
6299
6300 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6301             DJ Delorie <dj@redhat.com>
6302
6303         PR other/30824
6304         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
6305         (diagnostic_report_diagnostic): ... here, and turn them into real
6306         errors. If warnings are inhibited, no need to do anything.
6307
6308 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
6309
6310         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
6311         better code generation.
6312
6313 2007-02-20  Ben Elliston  <bje@au.ibm.com>
6314
6315         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
6316
6317 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
6318
6319         * config/alpha/alpha.c, config/alpha/alpha.md,
6320         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
6321         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
6322         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
6323         config/arm/lib1funcs.asm: Follow spelling conventions.
6324
6325         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
6326         config/fr30/fr30.md, config/i386/i386.h,
6327         config/iq2000/iq2000.h, config/iq2000/predicates.md,
6328         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
6329         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
6330         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
6331         config/rs6000/altivec.md, config/rs6000/rs6000.c,
6332         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
6333         config/sparc/sparc.c, config/sparc/sparc.h,
6334         config/sparc/sparc.md, config/spu/constraints.md,
6335         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
6336         conventions.
6337
6338 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
6339
6340         PR target/29943
6341         * varasm.c (use_blocks_for_decl_p): Return false for decls with
6342         alias attribute.
6343
6344 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
6345
6346         * doc/invoke.texi (-ftree-lrs): Remove.
6347
6348 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
6349
6350         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
6351         NULL.
6352
6353 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
6354
6355         * config/ia64/ia64.c (ia64_expand_builtin): Use the
6356         new CALL_EXPR_FN macro for retrieving the function
6357         declaration of the input expression.
6358
6359 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6360
6361         * c.opt (Waddress): New.
6362         * common.opt (Walways-true): Delete.
6363         (Wstring-literal-comparison): Delete.
6364         * doc/invoke.texi (Warning Options): Delete -Walways-true and
6365         -Wstring-literal-comparison. Add -Waddress.
6366         (Waddress): New.
6367         (Walways-true): Delete.
6368         (Wstring-literal-comparison): Delete.
6369         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
6370         consistently instead of -Walways-true in example.
6371         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
6372         * c-typeck.c (parser_build_binary_op): Replace
6373         -Wstring-literal-comparison and -Walways-true with -Waddress.
6374         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
6375         with -Waddress.
6376
6377 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
6378
6379         * tree-cfg.c (dump_function_to_file): Be prepared for functions
6380         without DECL_STRUCT_FUNCTION initialized.
6381
6382 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
6383
6384         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
6385         due to calls to functions taking pointers as parameters.
6386
6387 2007-02-19  Richard Henderson  <rth@redhat.com>
6388
6389         PR debug/29558
6390         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
6391         in memory.
6392
6393 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
6394
6395         * config/s390/s390.c (s390_call_saved_register_used,
6396         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
6397         accessed to the new scheme.
6398
6399 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
6400
6401         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
6402         (cris_print_index, cris_print_operand, cris_print_operand_address)
6403         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
6404         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
6405         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
6406         GET_CODE () == xxx.
6407         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
6408         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
6409         GO_IF_LEGITIMATE_ADDRESS): Ditto.
6410         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
6411         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
6412         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
6413         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
6414         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
6415         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
6416         (uminsi3, call, call_value): Ditto.
6417         (define_split: indir_to_reg_split, unnamed): Ditto.
6418
6419 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
6420
6421         PR tree-optimization/30975
6422         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
6423         wrong assert.
6424
6425 2007-02-18  Eric Christopher  <echristo@gmail.com>
6426
6427         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
6428         Remove use of arglist.
6429         (mips_expand_builtin): Remove use of arglist, pass in expr.
6430         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
6431         (mips_expand_builtin_movtf): Ditto.
6432         (mips_expand_builtin_compare): Ditto.
6433
6434 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
6435
6436         * tree-sra.c (sra_build_assignment): Replace assertion
6437         checking with a comment explaining why it can't be done.
6438
6439 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
6440
6441         PR middle-end/30833
6442         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
6443         during CALL_EXPR representation conversion.
6444         * tree-ssa-propagate.c (set_rhs): Likewise.
6445
6446 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
6447
6448         * tree-sra.c (sra_build_assignment): Disable assertion checking
6449         for now.
6450
6451 2007-02-18  Roger Sayle  <roger@eyesopen.com>
6452
6453         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
6454         instead of calling build2 with a GIMPLE_MODIFY_STMT.
6455         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
6456         Likewise.
6457         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
6458         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
6459         gimplify_init_ctor_eval_range, gimple_push_cleanup,
6460         gimplify_omp_for, gimplify_omp_atomic_pipeline,
6461         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
6462         force_gimple_operand): Likewise.
6463         * ipa-cp.c (constant_val_insert): Likewise.
6464         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6465         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
6466         perfect_nestify): Likewise.
6467         * langhooks.c (lhd_omp_assignment): Likewise.
6468         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
6469         lower_copyprivate_clauses, lower_send_clauses,
6470         lower_send_shared_vars, expand_parallel_call,
6471         expand_omp_for_generic, expand_omp_for_static_nochunk,
6472         expand_omp_for_static_chunk, expand_omp_sections,
6473         lower_omp_single_copy, lower_omp_for_lastprivate,
6474         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
6475         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
6476         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
6477         Likewise.
6478
6479 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
6480
6481         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
6482         config/sh/sh.md: Follow spelling conventions.
6483
6484         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
6485         config/frv/predicates.md: Follow spelling conventions.
6486
6487         * config/m68k/linux-unwind.h: Fix a comment typo.
6488         * target.h: Follow spelling conventions.
6489
6490 2007-02-18  Roger Sayle  <roger@eyesopen.com>
6491
6492         PR rtl-optimization/28173
6493         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
6494         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
6495         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
6496         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
6497         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
6498
6499 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6500
6501         * builtins.c (fold_builtin_load_exponent): New.
6502         (fold_builtin_2): Use it.
6503
6504 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
6505
6506         PR rtl-optimization/30773
6507         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
6508         if we fail to attach a REG_EQUIV note.
6509
6510 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
6511             Roger Sayle  <roger@eyesopen.com>
6512
6513         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
6514
6515 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
6516
6517         * calls.c (initialize_argument_information): Pass original EXP
6518         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
6519         code to split complex arguments here, as part of initializing the
6520         ARGS array.
6521         (expand_call): Remove code that builds a list of arguments and
6522         inserts implicit arguments into it.  Instead, just count how many
6523         implicit arguments there will be so we can determine the size of
6524         the ARGS array, and let initialize_argument_information do the work.
6525         (split_complex_values): Delete unused function.
6526
6527 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
6528
6529         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
6530
6531 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
6532
6533         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
6534         for arg pointer based indexed addressing.
6535
6536 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
6537
6538         * config/ia64/ia64.h, config/ia64/ia64.md,
6539         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
6540         spelling conventions.
6541
6542 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
6543
6544         * config/m68k/m68k.c (split_di): New.
6545         * config/m68k/m68k-protos.h: Declare split_di.
6546         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
6547           Improve predicate handling and split constant shifts.
6548
6549 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
6550
6551         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
6552         parameter for register bitfield operations, general predicates
6553         cleanup
6554
6555 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
6556
6557         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
6558         * config/m68k/linux-unwind.h: New file.
6559
6560 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
6561
6562         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
6563         config/i386/athlon.md, config/ia64/ia64.md,
6564         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
6565         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
6566         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
6567         tree-ssa-loop-niter.c, tree-vect-analyze.c,
6568         tree-vect-transform.c: Fix comment typos.
6569
6570 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
6571
6572         * sched-deps.c (find_insn_list): Remove.
6573         * sched-int.h: Remove the prototype for find_insn_list.
6574
6575 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
6576
6577         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
6578         to linker.
6579         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
6580         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
6581         darwin_rs6000_override_options.
6582         (C_COMMON_OVERRIDE_OPTIONS): Expect
6583         darwin_macosx_version_min to be non-NULL always.
6584         (TARGET_C99_FUNCTIONS): Likewise.
6585         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
6586         (DARWIN_MINVERSION_SPEC): New.
6587         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
6588         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
6589         to cc1*.
6590         (DARWIN_MINVERSION_SPEC): New.
6591         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
6592         value.
6593         * config/darwin-c.c (darwin_cpp_builtins): Expect
6594         darwin_macosx_version_min to be non-NULL always.
6595
6596         * config/rs6000/rs6000.c: Clean up trailing whitespace.
6597
6598 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
6599
6600         * config/i386/i386.h (x86_use_xchgb): New.
6601         (TARGET_USE_XCHGB): New macro.
6602         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
6603         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
6604         Split after reload into bswaphi for shifts of 8.
6605         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
6606         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
6607         or when optimizing for size.
6608
6609 2007-02-16  Richard Guenther  <rguenther@suse.de>
6610             Christian Bruel  <christian.bruel@st.com>
6611
6612         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
6613         DECLs but prefer SSA_NAMEs over DECLs.
6614
6615 2007-02-16  Richard Guenther  <rguenther@suse.de>
6616
6617         * tree-flow-inline.h (single_imm_use_p): Remove.
6618         (zero_imm_uses_p): Likewise.
6619         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
6620         instead of single_imm_use_p.
6621         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
6622         zero_imm_uses_p.
6623
6624 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6625
6626         PR other/27843
6627         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
6628         nested double- and backquotes.
6629
6630 2007-02-15  Roger Sayle  <roger@eyesopen.com>
6631
6632         PR middle-end/30391
6633         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
6634         should be unreachable.
6635         (build2_stat): Allow construction of MODIFY_EXPR at any time.
6636         For the time being redirect GIMPLE_MODIFY_STMT to the new
6637         (renamed) build_gimple_modify_stmt_stat.
6638         (build2_gimple_stat): Rename to...
6639         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
6640         Always build a GIMPLE_MODIFY_STMT node.
6641         * tree.h (build2_gimple, build2_gimple_stat): Delete.
6642         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
6643         declarations.
6644
6645         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
6646         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
6647         * tree-complex.c (set_component_ssa_name, expand_complex_move,
6648         expand_complex_div_wide): Likewise.
6649         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
6650         * tree-ssa-loop-im.c (schedule_sm): Likewise.
6651         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
6652         * tree-ssa-loop-manip.c (create_iv): Likewise.
6653         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
6654         abs_replacement): Likewise.
6655         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
6656         realify_fake_stores): Likewise.
6657
6658         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
6659         node rather than a GIMPLE_MODIFY_STMT node.
6660         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
6661         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
6662         Likewise.
6663         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
6664         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
6665         GIMPLE_MODIFY_STMT.
6666
6667 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6668
6669         PR middle-end/30433
6670         * fold-const.c (fold_comparison): Add back the
6671         folding of constant complex comparisions.
6672
6673 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6674
6675         PR middle-end/30729
6676         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
6677         effects unknown to this function, return early.
6678
6679 2007-02-15  Ian Lance Taylor  <iant@google.com>
6680
6681         * lower-subreg.c (move_eh_region_note): New static function.
6682         (resolve_simple_move): Call it.
6683         (decompose_multiword_subregs): Track blocks for which we resolve a
6684         simple move which is also a control flow insn.  Pass them to
6685         find_many_sub_basic_blocks.
6686         (pass_lower_subreg): Add TODO_verify_flow.
6687         (pass_lower_subreg2): Likewise.
6688
6689 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6690             Brooks Moses  <brooks.moses@codesourcery.com>
6691             Lee Millward  <lee.millward@codesourcery.com>
6692
6693         * tree.h (enum tree_code_class): Add tcc_vl_exp.
6694         (VL_EXP_CLASS_P): New.
6695         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
6696         TREE_CODE_LENGTH.
6697         (TREE_OPERAND_CHECK_CODE): Likewise.
6698         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
6699         (TREE_RTL_OPERAND_CHECK): Likewise.
6700         (tree_operand_check_failed): Make second parameter the whole tree
6701         instead of its code.  Fixed callers.
6702         (VL_EXP_CHECK): New.
6703         (TREE_OPERAND_LENGTH): New.
6704         (VL_EXP_OPERAND_LENGTH): New.
6705         (CALL_EXPR_FN): New.
6706         (CALL_EXPR_STATIC_CHAIN): New.
6707         (CALL_EXPR_ARGS): New.
6708         (CALL_EXPR_ARG): New.
6709         (call_expr_nargs): New.
6710         (CALL_EXPR_ARGP): New.
6711         (build_nt_call_list): Declare.
6712         (build_vl_exp_stat): Declare.
6713         (build_vl_exp): New.
6714         (build_call_list): Declare.
6715         (build_call_nary): Declare.
6716         (build_call_valist): Declare.
6717         (build_call_array): Declare.
6718         (call_expr_arg): Declare.
6719         (call_expr_argp): Declare.
6720         (call_expr_arglist): Declare.
6721         (fold_build_call_list): Declare.
6722         (fold_build_call_list_initializer): Declare.
6723         (fold_call_expr): Declare to replace fold_builtin.
6724         (fold_builtin_fputs): Update to agree with modified definition.
6725         (fold_builtin_strcpy): Likewise.
6726         (fold_builtin_strncpy): Likewise.
6727         (fold_builtin_memory_chk): Likewise.
6728         (fold_builtin_stxcpy_chk): Likewise.
6729         (fold_builtin_strncpy_chk): Likewise.
6730         (fold_builtin_next_arg): Likewise.
6731         (fold_build_call_expr): Declare.
6732         (fold_builtin_call_list): Declare.
6733         (fold_builtin_call_valist): Declare.
6734         (build_call_expr): Declare.
6735         (validate_arglist): Update to agree with modified definition.
6736         (tree_operand_length): New.
6737         (call_expr_arg_iterator): New.
6738         (init_call_expr_arg_iterator): New.
6739         (next_call_expr_arg): New.
6740         (first_call_expr_arg): New.
6741         (more_call_expr_args_p): New.
6742         (FOR_EACH_CALL_EXPR_ARG): New.
6743
6744         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
6745         and tcc_gimple_stmt.
6746         (tree_code_size): Update documentation.  Use sizeof (tree) rather
6747         than sizeof (char *).
6748         (tree_size): Likewise.  Add case for tcc_vl_exp.
6749         (tree_node_structure): Add case for tcc_vl_exp.
6750         (contains_placeholder_p): Likewise.
6751         (substitute_in_expr): Likewise.
6752         (substitute_placeholder_in_expr): Likewise.
6753         (stabilize_reference_1): Likewise.
6754         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
6755         to diagnose breakage of this interface for constructing CALL_EXPRs.
6756         (build_nt): Add similar assertion here.
6757         (build_nt_call_list): New.
6758         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
6759         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
6760         TREE_CODE_LENGTH.
6761         (get_callee_fndecl): Use new CALL_EXPR accessors.
6762         (tree_operand_check_failed): Change parameters to pass entire node
6763         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
6764         (process_call_operands): New.
6765         (build_vl_exp_stat): New.
6766         (build_call_list): New.
6767         (build_call_nary): New.
6768         (build_call_valist): New.
6769         (build_call_array): New.
6770         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6771         (call_expr_arglist): New.
6772
6773         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
6774         tcc_vl_exp instead of a fixed-size tcc_expression.
6775
6776         * doc/c-tree.texi (CALL_EXPR): Document new representation and
6777         accessors for CALL_EXPRs.
6778         (AGGR_INIT_EXPR): Likewise.
6779
6780 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6781             Brooks Moses  <brooks.moses@codesourcery.com>
6782             Lee Millward  <lee.millward@codesourcery.com>
6783
6784         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
6785         (expand_builtin_nonlocal_goto): Change parameter to be entire
6786         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
6787         (expand_builtin_prefetch): Likewise.
6788         (expand_builtin_classify_type): Likewise.
6789         (mathfn_built_in): Return NULL_TREE instead of 0.
6790         (expand_errno_check): Use new CALL_EXPR accessors.
6791         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
6792         Return NULL_RTX instead of 0.
6793         (expand_builtin_mathfn_2): Likewise.
6794         (expand_builtin_mathfn_3): Likewise.
6795         (expand_builtin_interclass_mathfn): Likewise.
6796         (expand_builtin_sincos): Likewise.
6797         (expand_builtin_cexpi): Likewise.
6798         (expand_builtin_int_roundingfn): Likewise.
6799         (expand_builtin_int_roundingfn_2): Likewise.
6800         (expand_builtin_pow): Likewise.
6801         (expand_builtin_powi): Likewise.
6802         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
6803         of arglist, fixing callers appropriately.  Use new CALL_EXPR
6804         accessors and constructors.  Return NULL_RTX instead of 0.
6805         (expand_builtin_strstr): Likewise.
6806         (expand_builtin_strchr): Likewise.
6807         (expand_builtin_strrchr): Likewise.
6808         (expand_builtin_strpbrk): Likewise.
6809         (expand_builtin_memcpy): Likewise.
6810         (expand_builtin_mempcpy): Likewise.
6811         (expand_builtin_mempcpy_args): New.
6812         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
6813         (expand_builtin_memmove_args): New.
6814         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
6815         (expand_movstr): Likewise.
6816         (expand_builtin_strcpy): Likewise.
6817         (expand_builtin_strcpy_args): New.
6818         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
6819         (expand_builtin_strncpy): Likewise.
6820         (expand_builtin_memset): Likewise.
6821         (expand_builtin_memset_args): New.
6822         (expand_builtin_bzero): Similarly to expand_builtin_memset.
6823         (expand_builtin_memcmp): Likewise.
6824         (expand_builtin_strcmp): Likewise.
6825         (expand_builtin_strncmp): Likewise.
6826         (expand_builtin_strcat): Likewise.
6827         (expand_builtin_strncat): Likewise.
6828         (expand_builtin_strspn): Likewise.
6829         (expand_builtin_strcspn): Likewise.
6830         (expand_builtin_args_info): Likewise.
6831         (expand_builtin_va_start): Likewise.
6832         (gimplify_va_arg_expr): Likewise.
6833         (expand_builtin_va_end): Likewise.
6834         (expand_builtin_va_copy): Likewise.
6835         (expand_builtin_frame_address): Likewise.
6836         (expand_builtin_alloca): Likewise.
6837         (expand_builtin_bswap): Likewise.
6838         (expand_builtin_unop): Likewise.
6839         (expand_builtin_fputs): Likewise.
6840         (expand_builtin_expect): Likewise.
6841         (expand_builtin_fabs): Likewise.
6842         (expand_builtin_copysign): Likewise.
6843         (expand_builtin_printf): Likewise.
6844         (expand_builtin_fprintf): Likewise.
6845         (expand_builtin_sprintf): Likewise.
6846         (expand_builtin_init_trampoline): Likewise.
6847         (expand_builtin_signbit): Likewise.
6848         (expand_builtin_fork_or_exec): Likewise.
6849         (expand_builtin_sync_operation): Likewise.
6850         (expand_builtin_compare_and_swap): Likewise.
6851         (expand_builtin_lock_test_and_set): Likewise.
6852         (expand_builtin_lock_release): Likewise.
6853         (expand_builtin): Likewise.
6854         (builtin_mathfn_code): Likewise.
6855
6856         (fold_builtin_constant_p): Pass call arguments individually instead
6857         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
6858         accessors and constructors.  Return NULL_TREE instead of 0.
6859         (fold_builtin_expect): Likewise.
6860         (fold_builtin_classify_type): Likewise.
6861         (fold_builtin_strlen): Likewise.
6862         (fold_builtin_nan): Likewise.
6863         (integer_valued_real_p): Likewise.
6864         (fold_trunc_transparent_mathfn): Likewise.
6865         (fold_fixed_mathfn): Likewise.
6866         (fold_builtin_cabs): Likewise.
6867         (fold_builtin_sqrt): Likewise.
6868         (fold_builtin_cbrt): Likewise.
6869         (fold_builtin_cos): Likewise.
6870         (fold_builtin_cosh): Likewise.
6871         (fold_builtin_tan): Likewise.
6872         (fold_builtin_sincos): Likewise.
6873         (fold_builtin_cexp): Likewise.
6874         (fold_builtin_trunc): Likewise.
6875         (fold_builtin_floor): Likewise.
6876         (fold_builtin_ceil): Likewise.
6877         (fold_builtin_round): Likewise.
6878         (fold_builtin_int_roundingfn): Likewise.
6879         (fold_builtin_bitop): Likewise.
6880         (fold_builtin_bswap): Likewise.
6881         (fold_builtin_logarithm): Likewise.
6882         (fold_builtin_hypot): Likewise.
6883         (fold_builtin_pow): Likewise.
6884         (fold_builtin_powi): Likewise.
6885         (fold_builtin_exponent): Likewise.
6886         (fold_builtin_memset): Likewise.
6887         (fold_builtin_bzero): Likewise.
6888         (fold_builtin_memory_op): Likewise.
6889         (fold_builtin_bcopy): Deleted; call site changed to invoke
6890         fold_builtin_memory_op directly.
6891         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
6892         (fold_builtin_strncpy): Likewise.
6893         (fold_builtin_memcmp): Likewise.
6894         (fold_builtin_strcmp): Likewise.
6895         (fold_builtin_strncmp): Likewise.
6896         (fold_builtin_signbit): Likewise.
6897         (fold_builtin_copysign): Likewise.
6898         (fold_builtin_isascii): Likewise.
6899         (fold_builtin_toascii): Likewise.
6900         (fold_builtin_isdigit): Likewise.
6901         (fold_builtin_fabs): Likewise.
6902         (fold_builtin_abs): Likewise.
6903         (fold_builtin_fmin_fmax): Likewise.
6904         (fold_builtin_carg): Likewise.
6905         (fold_builtin_classify): Likewise.
6906         (fold_builtin_unordered_cmp): Likewise.
6907
6908         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
6909         New functions split out from fold_builtin_1.
6910         (fold_builtin_n): New.
6911         (fold_builtin_varargs): New.
6912         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
6913         instead.
6914         (fold_call_expr): New.
6915         (build_function_call_expr): Rewrite to use new helper function.
6916         (fold_builtin_call_list): New.
6917         (build_call_expr): New.
6918         (fold_builtin_call_valist): New.
6919         (rewrite_call_expr): New.
6920         (validate_arg): New.
6921         (validate_arglist): Change parameter to be entire CALL_EXPR instead
6922         of an arglist.  Change return type to bool.  Use new CALL_EXPR
6923         accessors.
6924
6925         (fold_builtin_strstr):  Pass call arguments individually instead
6926         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
6927         accessors and constructors.  Return NULL_TREE instead of 0.
6928         (fold_builtin_strchr): Likewise.
6929         (fold_builtin_strrchr): Likewise.
6930         (fold_builtin_strpbrk): Likewise.
6931         (fold_builtin_strcat): Likewise.
6932         (fold_builtin_strncat): Likewise.
6933         (fold_builtin_strspn): Likewise.
6934         (fold_builtin_strcspn): Likewise.
6935         (fold_builtin_fputs): Likewise.
6936         (fold_builtin_next_arg): Likewise.
6937         (fold_builtin_sprintf): Likewise.
6938
6939         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
6940         NULL_RTX instead of 0.
6941         (expand_builtin_memory_chk): Likewise.
6942         (maybe_emit_chk_warning): Likewise.
6943         (maybe_emit_sprintf_chk_warning): Likewise.
6944
6945         (fold_builtin_object_size): Pass call arguments individually instead
6946         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
6947         accessors and constructors.  Return NULL_TREE instead of 0.
6948         (fold_builtin_memory_chk): Likewise.
6949         (fold_builtin_stxcpy_chk): Likewise.
6950         (fold_builtin_strncpy_chk): Likewise.
6951         (fold_builtin_strcat_chk): Likewise.
6952         (fold_builtin_strcat_chk): Likewise.
6953         (fold_builtin_strncat_chk): Likewise.
6954         (fold_builtin_sprintf_chk): Likewise.
6955         (fold_builtin_snprintf_chk): Likewise.
6956         (fold_builtin_printf): Likewise.
6957         (fold_builtin_vprintf): Likewise.
6958
6959         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
6960         constructors.
6961         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
6962         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6963         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
6964         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
6965         (fold_unary): Likewise.
6966         (fold_binary): Likewise.
6967         (fold_ternary): Remove CALL_EXPR case, since they are no longer
6968         ternary expressions.
6969         (fold): Add logic for tcc_vl_exp.
6970         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
6971         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6972         (fold_build3_stat): Add assertion to flag broken interface for
6973         constructing CALL_EXPRs.
6974         (fold_build_call_list): New.
6975         (fold_build_call_list_initializer): New.
6976         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
6977         constructors.
6978         (fold_strip_sign_ops): Likewise.
6979
6980 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6981             Brooks Moses  <brooks.moses@codesourcery.com>
6982             Lee Millward  <lee.millward@codesourcery.com>
6983
6984         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
6985         accessors and dump arguments explicitly.
6986
6987         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
6988         TREE_CODE_LENGTH.
6989         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
6990         explicitly.
6991         (print_call_name): Use new CALL_EXPR accessors.
6992
6993         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
6994         CALL_EXPR arguments explicitly instead of as a list.  Use
6995         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6996
6997         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
6998         (vrp_visit_stmt): Likewise.
6999
7000         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
7001         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
7002         TREE_CODE_LENGTH.
7003         (force_move_till_expr): Likewise.
7004
7005         * targhooks.c (default_external_stack_protect_fail): Use
7006         build_call_expr instead of build_function_call_expr.
7007         (default_hidden_stack_protect_fail): Likewise.
7008
7009         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
7010         build the call.
7011
7012         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
7013         and walk arguments explicitly.
7014
7015         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
7016         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7017         (expand_simple_operations): Likewise.
7018         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
7019
7020         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
7021         of TREE_CODE_LENGTH.
7022         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
7023
7024         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
7025         instead of TREE_CODE_LENGTH.
7026
7027         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
7028         (tree_ic_transform): Likewise.
7029         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
7030         parameter instead of arglist.  Fix callers.
7031         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
7032         (tree_stringops_transform): Likewise.
7033         (tree_indirect_call_to_profile): Likewise.
7034         (tree_stringops_values_to_profile): Likewise.
7035
7036         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
7037         (eliminate_tail_call): Likewise.
7038
7039         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
7040
7041         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
7042         Use TREE_OPERAND_LENGTH and generalize to handle any number of
7043         operands.
7044         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
7045
7046         * omp-low.c (build_omp_barrier): Use build_call_expr.
7047         (lower_rec_input_clauses): Likewise.
7048         (lower_reduction_clauses): Likewise.
7049         (expand_parallel_call): Likewise.
7050         (maybe_catch_exception): Likewise.
7051         (expand_omp_for_generic): Likewise.
7052         (expand_omp_for_static_nochunk): Likewise.
7053         (expand_omp_sections): Likewise.
7054         (lower_omp_single_simple): Likewise.
7055         (lower_omp_single_copy): Likewise.
7056         (lower_omp_master): Likewise.
7057         (lower_omp_ordered): Likewise.
7058         (lower_omp_critical): Likewise.
7059
7060         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
7061         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
7062
7063         * tree-gimple.c (is_gimple_call_addr): Fix doc.
7064         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
7065         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
7066
7067         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
7068         and generalize to handle any number of operands.
7069         (chrec_contains_undetermined): Likewise.
7070         (tree_contains_chrecs): Likewise.
7071         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
7072
7073         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
7074
7075         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
7076         fold_call_expr instead of fold_builtin.
7077         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
7078         match declarations there.
7079         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
7080         updates.
7081
7082         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
7083         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7084
7085         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
7086         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
7087
7088         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
7089         accessors.
7090
7091         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
7092         (execute_cse_sincos): Use new CALL_EXPR accessors.
7093
7094         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
7095
7096         * gimple-low.c (lower_function_body): Use build_call_expr.
7097         (lower_builtin_setjmp): Likewise.
7098
7099         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
7100         (set_storage_via_libcall): Likewise.
7101         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
7102         instead of TREE_CODE_LENGTH.
7103         (expand_expr_real_1): Use new CALL_EXPR accessors.
7104
7105         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
7106         generalize to handle any number of operands.
7107         (TB_parent_eq): Likewise.
7108
7109         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
7110         (strip_builtin_expect): Likewise.
7111
7112         * function.c (gimplify_parameters): Use build_call_expr.
7113
7114         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
7115         instead of TREE_CODE_LENGTH.
7116
7117         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
7118         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
7119
7120         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
7121         iterators.
7122
7123         * gimplify.c (build_stack_save_restore): Use build_call_expr.
7124         (gimplify_decl_expr): Likewise.
7125         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
7126         Use new CALL_EXPR iterators.
7127         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
7128         (gimplify_modify_expr_to_memset): Likewise.
7129         (gimplify_variable_sized_compare): Likewise.
7130         (gimplify_omp_atomic_fetch_op): Likewise.
7131         (gimplify_omp_atomic_pipeline): Likewise.
7132         (gimplify_omp_atomic_mutex): Likewise.
7133         (gimplify_function_tree): Likewise.
7134
7135         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
7136         (call_expr_flags): Likewise.
7137         (expand_call): Likewise.
7138
7139         * except.c (expand_builtin_eh_return_data_regno): Pass entire
7140         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
7141         accessors.
7142
7143         * coverage.c (create_coverage): Use build_call_expr.
7144
7145         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
7146         (temp_call_expr_obstack): New.
7147         (pool_copy_list): Delete.
7148         (temp_copy_call_expr): New.
7149         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
7150         CALL_EXPR accessors.  Get rid of special goo for copying argument
7151         lists and use temp_copy_call_expr instead.
7152         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
7153         CALL_EXPR accessors.
7154         (create_expression_by_pieces): Likewise.  Use build_call_array
7155         to construct the result instead of fold_build3.
7156         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
7157         dealing with argument lists.
7158         (init_pre): Remove references to expression_node_pool and
7159         list_node_pool.  Init temp_call_expr_obstack instead.
7160         (fini_pre): Remove references to expression_node_pool and
7161         list_node_pool.
7162
7163         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
7164         and walk arguments explicitly instead of as a list.
7165
7166         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
7167         (mx_register_decls): Likewise.
7168         (mudflap_register_call): Likewise.
7169         (mudflap_finish_file): Likewise.
7170
7171         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
7172         (ipa_callsite_compute_param): Likewise.
7173
7174         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
7175         accessors and constructor.
7176
7177         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
7178         accessors and constructor.
7179         (convert_tramp_reference): Likewise.
7180         (convert_call_expr): Likewise.
7181         (finalize_nesting_tree_1): Likewise.
7182
7183         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
7184         accessors.
7185
7186         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
7187
7188         * tree-inline.c (initialize_inlined_parameters): Pass entire
7189         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
7190         accessors.
7191         (estimate_num_insns_1): Use new CALL_EXPR accessors.
7192         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
7193
7194         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
7195         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7196         (vectorizable_reduction): Likewise.
7197         (vectorizable_call): Use new CALL_EXPR iterators.
7198         (vectorizable_conversion): Use build_call_expr.
7199         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
7200         (vect_gen_widened_results_half): Use build_call_expr.
7201         (vect_setup_realignment): Likewise.
7202         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
7203
7204         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
7205         (pass_through_call): Likewise.
7206         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
7207         fold_builtin.
7208
7209         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
7210         (tree_gen_pow2_profiler): Likewise.
7211         (tree_gen_one_value_profiler): Likewise.
7212         (tree_gen_ic_func_profiler): Likewise.
7213         (tree_gen_average_profiler): Likewise.
7214         (tree_gen_ior_profiler): Likewise.
7215
7216         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
7217         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
7218         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7219
7220         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
7221         of TREE_CODE_LENGTH.
7222
7223         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
7224         of TREE_CODE_LENGTH.
7225
7226         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
7227         constructor.
7228         (convert_to_integer): Likewise.
7229
7230         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
7231         accessors.
7232
7233 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7234             Brooks Moses  <brooks.moses@codesourcery.com>
7235             Lee Millward  <lee.millward@codesourcery.com>
7236
7237         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
7238         accessors.
7239         * config/frv/frv.c (frv_expand_builtin): Likewise.
7240         * config/s390/s390.c (s390_expand_builtin): Likewise.
7241
7242         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
7243         (sparc_expand_builtin): Use new CALL_EXPR accessors.
7244
7245         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
7246         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
7247         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
7248         (ix86_expand_store_builtin): Likewise.
7249         (ix86_expand_unop_builtin): Likewise.
7250         (ix86_expand_unop1_builtin): Likewise.
7251         (ix86_expand_sse_compare): Likewise.
7252         (ix86_expand_sse_comi): Likewise.
7253         (ix86_expand_vec_init_builtin): Likewise.
7254         (ix86_expand_vec_ext_builtin): Likewise.
7255         (ix86_expand_vec_set_builtin): Likewise.
7256         (ix86_expand_builtin): Use new CALL_EXPR accessors.
7257
7258         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
7259         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
7260
7261         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
7262         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
7263         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
7264
7265         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
7266         build_call_expr.
7267         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
7268         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
7269         arglist.  Use new CALL_EXPR accessors.  Fix callers.
7270         (altivec_expand_abs_builtin): Likewise.
7271         (rs6000_expand_binop_builtin): Likewise.
7272         (altivec_expand_predicate_builtin): Likewise.
7273         (altivec_expand_lv_builtin): Likewise.
7274         (spe_expand_stv_builtin): Likewise.
7275         (altivec_expand_stv_builtin): Likewise.
7276         (rs6000_expand_ternop_builtin): Likewise.
7277         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
7278         (altivec_expand_st_builtin): Likewise.
7279         (altivec_expand_dst_builtin): Likewise.
7280         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
7281         arglist.  Use new CALL_EXPR accessors.  Fix callers.
7282         (altivec_expand_vec_set_builtin): Likewise.
7283         (altivec_expand_vec_ext_builtin): Likewise.
7284         (altivec_expand_builtin): Use new CALL_EXPR accessors.
7285         (spe_expand_builtin): Likewise.
7286         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
7287         arglist.  Use new CALL_EXPR accessors.  Fix callers.
7288         (spe_expand_evsel_builtin): Likewise.
7289         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
7290         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
7291
7292         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
7293         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
7294         (arm_expand_unop_builtin): Likewise.
7295         (arm_expand_builtin): Use new CALL_EXPR accessors.
7296
7297         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
7298         accessors.
7299
7300         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
7301         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
7302         (bfin_expand_unop_builtin): Likewise.
7303         (bfin_expand_builtin): Use new CALL_EXPR accessors.
7304
7305 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7306             Brooks Moses  <brooks.moses@codesourcery.com>
7307             Lee Millward  <lee.millward@codesourcery.com>
7308
7309         * c-semantics.c (build_stmt): Add internal diagnostic check.
7310
7311         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
7312         accessors.  Print arguments explicitly instead of as a list.
7313
7314         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
7315
7316         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
7317         (c_finish_omp_flish): Likewise.
7318
7319         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
7320         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
7321         instead of TREE_CODE_LENGTH.
7322         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
7323         (c_warn_unused_result): Likewise.
7324
7325 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7326
7327         PR c/26494
7328         * doc/invoke.texi (Warning Options): Remove
7329         -Werror-implicit-function-declaration.
7330         (Wimplicit-function-declaration): Update description.
7331         * opts.c (common_handle_option): Move handling of -Werror=* to...
7332         (enable_warning_as_error): ...here.
7333         * opts.h (enable_warning_as_error): Declare.
7334         * c-decl.c (implicit_decl_warning): Unless
7335         -Wno-implicit-function-declaration is given, emit a pedwarn if
7336         -std=c99 or emit a warning if -Wimplicit-function-declaration.
7337         * c.opt (Wimplicit-function-declaration): Replace
7338         mesg_implicit_function_declaration with
7339         warn_implicit_function_declaration.
7340         * c-opts.c (c_common_handle_option):
7341         -Werror-implicit-function-declaration is exactly equal as
7342         -Werror=implicit-function-declaration.
7343         (set_Wimplicit): Replace mesg_implicit_function_declaration with
7344         warn_implicit_function_declaration.
7345         (c_common_post_options): -Wimplict-function-declaration is enabled
7346         by default by -std=c99, otherwise is disabled by default.
7347         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
7348
7349 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7350
7351         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
7352         DECL on the rhs to a DECL on the lhs for debug info purposes if the
7353         former is ignored but not the latter.
7354
7355 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7356
7357         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
7358         is made and the reference doesn't use the alias set of its type,
7359         do not create the temporary using that type.
7360
7361 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
7362
7363         * jump.c: Remove prototypes for delete_computation and
7364         delete_prior_computation.
7365
7366 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
7367
7368         * jump.c (get_label_after): Delete.
7369         (get_label_before, delete_computation, delete_jump,
7370         delete_prior_computation, follow_jumps): Move...
7371         * reorg.c (delete_computation, delete_prior_computation): ... here...
7372         (get_label_before, delete_jump): ... making these static ...
7373         (follow_jumps): ... and simplifying this since it only runs after
7374         reload.
7375         * rtl.h (get_label_after, get_label_before, delete_jump,
7376         follow_jumps): Delete prototypes.
7377
7378 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
7379
7380         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
7381
7382 2007-02-15  Nick Clifton  <nickc@redhat.com>
7383
7384         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
7385         order to prevent it from being munged by the target.
7386
7387 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
7388
7389         * config/i386/i386.md: Remove misleading comment.
7390
7391 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7392
7393         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
7394         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
7395         invalid patterns.
7396
7397 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7398
7399         * tree-sra.c (instantiate_missing_elements): Canonicalize
7400         bit-field types.
7401         (sra_build_assignment): New.
7402         (generate_copy_inout, generate_element_copy,
7403         generate_element_zero, generate_one_element_init): Use it.
7404
7405 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7406
7407         * tree-sra.c (instantiate_missing_elements): Canonicalize
7408         bit-field types.
7409         (sra_build_assignment): New.
7410         (generate_copy_inout, generate_element_copy,
7411         generate_element_zero, generate_one_element_init): Use it.
7412
7413 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7414
7415         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
7416         limbo die nodes.
7417
7418 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
7419
7420         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
7421         types as aggregates not scalars.
7422         * function.c (assign_stack_temp_for_type): Likewise.
7423
7424 2007-02-14  Roger Sayle  <roger@eyesopen.com>
7425             Zdenek Dvorak  <dvorakz@suse.cz>
7426
7427         * tree-dump.c (dump_switch_p_1): Require exact match of the option
7428         name.
7429
7430 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
7431
7432         * passes.c (next_pass_1): Clear the next field of the copied
7433         pass structure.
7434
7435 2007-02-14  Richard Henderson  <rth@redhat.com>
7436
7437         * tree-sra.c (early_sra): New.
7438         (decl_can_be_decomposed_p): Deny va_list if early_sra.
7439         (tree_sra_early, pass_sra_early): New.
7440         * tree-pass.h (pass_sra_early): Declare.
7441         * passes.c (init_optimization_passes): Use it.
7442
7443 2007-02-14  Richard Guenther  <rguenther@suse.de>
7444
7445         * flags.h (issue_strict_overflow_warning): Convert to a macro.
7446
7447 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
7448
7449          PR tree-optimization/30771
7450         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
7451         also phi nodes.
7452         (vect_analyze_operations): Induction phis can now be marked as
7453         used_in_loop.
7454         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
7455         Update documentation accordingly.
7456
7457 2007-02-14  Nick Clifton  <nickc@redhat.com>
7458
7459         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
7460         most 3 arguments are supported.
7461         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
7462
7463 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
7464
7465         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
7466         Ensure dst->current is valid.
7467
7468 2007-02-13  Paul Brook  <paul@codesourcery.com>
7469
7470         * config.gcc: Add arm*-*-uclinux-*eabi.
7471         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
7472         (SUBTARGET_EXTRA_LINK_SPEC): Define.
7473         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
7474         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
7475         (LINK_SPEC): Define.
7476         (LIB_SPEC): Define.
7477         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
7478         register.
7479         * config/arm/uclinux-eabi.h: New file.
7480         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
7481         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
7482         based targets.
7483
7484 2007-02-13  Ian Lance Taylor  <iant@google.com>
7485
7486         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
7487         * flags.h (warn_strict_overflow): Declare.
7488         (enum warn_strict_overflow_code): Define.
7489         (issue_strict_overflow_warning): New static inline function.
7490         * opts.c (warn_strict_overflow): New variable.
7491         (common_handle_option): Handle OPT_Wstrict_overflow and
7492         OPT_Wstrict_overflow_.
7493         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
7494         OPT_Wall.
7495         * fold-const.c: Include intl.h.
7496         (fold_deferring_overflow_warnings): New static variable.
7497         (fold_deferred_overflow_warning): New static variable.
7498         (fold_deferred_overflow_code): New static variable.
7499         (fold_defer_overflow_warnings): New function.
7500         (fold_undefer_overflow_warnings): New function.
7501         (fold_undefer_and_ignore_overflow_warnings): New function.
7502         (fold_deferring_overflow_warnings_p): New function.
7503         (fold_overflow_warning): New static function.
7504         (make_range): Add strict_overflow_p parameter.  Change all
7505         callers.
7506         (extract_muldiv, extract_muldiv_1): Likewise.
7507         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
7508         tree_expr_nonnegative_p.
7509         (fold_negate_expr): Call fold_overflow_warning.
7510         (fold_range_test): Likewise.
7511         (fold_comparison): Likewise.
7512         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
7513         instead of tree_expr_nonnegative_p.
7514         (tree_expr_nonnegative_warnv_p): Rename from
7515         tree_expr_nonnegative_p, add strict_overflow_p parameter.
7516         (tree_expr_nonnegative_p): New function.
7517         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
7518         strict_overflow_p parameter.
7519         (tree_expr_nonzero_p): New function.
7520         * passes.c (verify_interpass_invariants): New static function.
7521         (execute_one_pass): Call it.
7522         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
7523         warnings.
7524         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
7525         (estimate_numbers_of_iterations): Likewise.
7526         (scev_probably_wraps_p): Likewise.
7527         * tree-ssa-ccp.c: Include "toplev.h".
7528         (evaluate_stmt): Defer fold overflow warnings until we know we are
7529         going to optimize.
7530         (struct fold_stmt_r_data): Add stmt field.
7531         (fold_stmt_r): Defer fold overflow warnings until we know we
7532         optimized.
7533         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
7534         (fold_stmt_inplace): Likewise.
7535         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
7536         (cleanup_control_expr_graph): Defer fold overflow warnings until
7537         we know we are going to optimize.
7538         * tree-cfg.c (fold_cond_expr_cond): Likewise.
7539         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
7540         Likewise.
7541         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
7542         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
7543         * tree-ssa-loop-manip.c (create_iv): Likewise.
7544         * c-typeck.c (build_conditional_expr): Likewise.
7545         (build_binary_op): Likewise.
7546         * tree-vrp.c (vrp_expr_computes_nonzero): Call
7547         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
7548         (extract_range_from_unary_expr): Likewise.
7549         * simplify-rtx.c (simplify_const_relational_operation): Warn when
7550         assuming that signed overflow does not occur.
7551         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
7552         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
7553         (fold_defer_overflow_warnings): Declare.
7554         (fold_undefer_overflow_warnings): Declare.
7555         (fold_undefer_and_ignore_overflow_warnings): Declare.
7556         (fold_deferring_overflow_warnings_p): Declare.
7557         (tree_expr_nonzero_warnv_p): Declare.
7558         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
7559         of warning options.
7560         (Warning Options): Document -Wstrict-overflow.
7561         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
7562         (tree-ssa-ccp.o): Likewise.
7563         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
7564         (fold-const.o): Depend on intl.h.
7565
7566 2007-02-13  Ian Lance Taylor  <iant@google.com>
7567
7568         PR middle-end/30751
7569         * lower-subreg.c (resolve_simple_move): Decompose subregs in
7570         addresses.
7571
7572 2007-02-13  Stuart Hastings  <stuart@apple.com>
7573
7574         * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
7575
7576 2007-02-13  Richard Henderson  <rth@redhat.com>
7577
7578         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
7579         handled_component_p before looking for the indirect_ref.
7580
7581 2007-02-13  Richard Henderson  <rth@redhat.com>
7582
7583         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
7584         remove flags clobber.
7585         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
7586         (bswaphi_lowpart): New.
7587         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
7588         remove TARGET_BSWAP test.  Delete expander of the same name.
7589
7590         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
7591         (expand_unop): Use them.
7592
7593 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
7594
7595         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
7596         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
7597         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
7598         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
7599         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
7600         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
7601         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
7602         assembler dialect choice from asm templates.
7603
7604 2007-02-12  Richard Henderson  <rth@redhat.com>
7605
7606         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
7607         (fixuns_trunc<SSEMODEF>si2): Use it.
7608         * config/i386/sse.md (vec_setv4sf_0): Export.
7609         * config/i386/i386.c (ix86_build_const_vector): Export.
7610         (ix86_split_convert_uns_si_sse): Rename from
7611         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
7612         * config/i386/i386-protos.h: Update.
7613
7614 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7615
7616         PR c/29521
7617         * c-typeck.c (c_finish_return): Improve warning message.
7618
7619 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7620
7621         * alias.c (find_symbolic_term): Delete unused function.
7622
7623 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
7624
7625         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
7626         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
7627         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
7628
7629 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
7630
7631         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
7632         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
7633         the function, temporarily point the debug interface to the null one.
7634
7635 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
7636
7637         * dwarf2out.c (round_up_to_align): New static function.
7638         (field_byte_offset): Use it to round the offset.
7639
7640 2007-02-12  Richard Henderson  <rth@redhat.com>
7641
7642         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
7643         (inswl_const): Export.
7644
7645 2007-02-12  Richard Henderson  <rth@redhat.com>
7646
7647         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
7648         result mode of the libcall, convert back to outmode.
7649
7650 2007-02-12  Roger Sayle  <roger@eyesopen.com>
7651
7652         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
7653         (bswapdi2): New define_expand to implement 32-bit implementation.
7654
7655 2007-02-12  Nick Clifton  <nickc@redhat.com>
7656
7657         * doc/invoke.texi (Overall Options): Document --help=.
7658         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
7659         (cc1_options): Pass --help= on to cc1.
7660         (display_help): Add description of --help=.
7661         (process_command): Add code to handle --help=.  Allow translated
7662         --help and --target-help switches to be passed on to compiler
7663         sub-process.
7664         (main): Remove unused if statement.
7665         * opts.c (columns): Remove.
7666         (LEFT_COLUMN): Define.
7667         (wrap_help): Add columns argument.
7668         (print_filtered_help): Change parameters to be an include bitmask,
7669         an exclude bitmask, an any bitmask and the column width.  Move the
7670         code to display the params list here.  Add code to display the
7671         status of options rather than their descriptions if the quiet flag
7672         is not active.
7673         (print_specific_help): Change parameters to be an include bitmask,
7674         an exclude bitmask and an any bitmask.  Move code to look up the
7675         column width here.  Decide upon the title for an options listing.
7676         (common_handle_options): Add code to handle --help=.  Adapt code
7677         for --help and --target-help to use the revised form of the
7678         print_specific_help function.
7679         (print_help): Delete.
7680         (print_param_help): Delete.
7681         (print_switch): Delete.
7682         * opts.h (cl_lang_count): Add prototype.
7683         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
7684         CL_MAX_OPTION_CLASS): New defines.
7685         * optc-gen.awk: Add construction of cl_lang_count.
7686         * c.opt: Add Warning attribute to warning options and Optimization
7687         attribute to optimization options.
7688         * common.opt: Likewise.
7689         Add --help=.
7690         Add -fhelp and -ftarget-help as aliases for the transformed --help
7691         and --target-help options.
7692         * opt-functions.awk: Add code to handle Warning and Optimization
7693         attributes.
7694
7695 2007-02-12  Richard Henderson  <rth@redhat.com>
7696
7697         * config/alpha/constraints.md: New file.
7698         * config/alpha/alpha.c: Include tm-constrs.h.
7699         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
7700         alpha_extra_constraint): Remove.
7701         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
7702         * config/alpha/alpha-protos.h: Update.
7703         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
7704         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
7705         (EXTRA_CONSTRAINT): Remove.
7706         * config/alpha/alpha.md: Include constraints.md.
7707         (adddi splitter): Use satisfies_constraint_*.
7708         * config/alpha/predicates.md (add_operand): Likewise.
7709         (sext_add_operand, addition_operation): Likewise.
7710
7711 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
7712
7713         PR tree-optimization/29145
7714         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
7715         in our handling of restrict qualified pointers.
7716
7717 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7718
7719         PR middle-end/7651
7720         * doc/invoke.texi (Wunused-value): Update description.
7721         (Wextra): Delete item.
7722         * opts.c (set_Wextra): Don't use the value of Wextra to set the
7723         value of Wunused-value.
7724         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
7725         (c_finish_stmt_expr): Don't check extra_warnings.
7726         (emit_side_effect_warnings): The caller is responsible to check
7727         warn_unused_value.
7728
7729 2007-02-11  Roger Sayle  <roger@eyesopen.com>
7730             Matt Thomas  <matt@3am-software.com>
7731
7732         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
7733
7734 2007-02-11  Roger Sayle  <roger@eyesopen.com>
7735
7736         * simplify-rtx.c (simplify_relational_operation_1): Optimize
7737         comparisons of POPCOUNT against zero.
7738         (simplify_const_relational_operation): Likewise.
7739
7740 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7741
7742         * doc/invoke.texi (Wextra): Delete outdated paragraph.
7743
7744 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7745
7746         * dwarf2out.c (root_type): Delete unused function.
7747
7748 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7749
7750         * genattrtab.c (contained_in_p): Delete unused function.
7751         (write_expr_attr_cache): Likewise.
7752
7753 2007-02-11  Jan Hubicka  <jh@suse.cz>
7754
7755         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
7756         previous patch.
7757
7758 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
7759
7760         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
7761         to add the REG_EQ* note.
7762         * see.c (see_merge_one_use_extension): Likewise.
7763         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
7764         turn REG_EQUAL notes into REG_EQUIV notes if the target
7765         register may have more than one set.
7766         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
7767         * gcse.c (try_replace_reg): Likewise.
7768         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
7769         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
7770         more than one REG_EQUIV note.
7771         * reload1.c (gen_reload): Use set_unique_reg_note.
7772
7773 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
7774
7775         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
7776         (ix86_builtin_conversion): New function.
7777
7778 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
7779
7780         PR target/29487
7781         * tree.h (DECL_REPLACEABLE_P): New macro.
7782         * except.c (set_nothrow_function_flags): Likewise.
7783
7784 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
7785             Ira Rosen  <irar@il.ibm.com>
7786             Dorit Nuzman  <dorit@il.ibm.com>
7787
7788         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
7789         * targhooks.c (default_builtin_vectorized_conversion): New.
7790         * targhooks.h (default_builtin_vectorized_function): New declaration.
7791         * target.h (struct vectorize): Add builtin_conversion field.
7792         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
7793         stmt_vec_info_type value.
7794         (vectorizable_conversion): New declaration.
7795         * tree-vect-analyze.c (vect_analyze_operations): Add
7796         vectorizable_conversion call.
7797         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
7798         * tree-vect-transform.c (vectorizable_conversion): New function.
7799         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
7800         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
7801         mode.
7802         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
7803         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
7804         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
7805         or ALTIVEC_BUILTIN_VCFSX.
7806
7807 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7808
7809         PR target/30634
7810         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
7811         CONST_DOUBLE and operand 0 is a hard register.
7812         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
7813         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
7814         is a hard floating-point register.
7815
7816 2007-02-10  Richard Henderson  <rth@redhat.com>
7817             Jakub Jelinek  <jakub@redhat.com>
7818             Alexandre Oliva  <aoliva@redhat.com>
7819
7820         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
7821         * builtin-types.def (BT_WORD): Make unsigned.
7822         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
7823         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
7824         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
7825         * c-decl.c (grokdeclarator): Don't error if !have_tls.
7826         * c-parser.c (c_parser_omp_threadprivate): Likewise.
7827         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
7828         emulated tls.
7829         * expr.c (emutls_var_address): New.
7830         (expand_expr_real_1): Expand emulated tls.
7831         (expand_expr_addr_expr_1): Likewise.
7832         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
7833         * output.h (emutls_finish): Declare.
7834         * toplev.c (compile_file): Call it.
7835         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
7836         address before wrapping in CONST.
7837         * varasm.c (emutls_htab, emutls_object_type): New.
7838         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
7839         (get_emutls_object_name, get_emutls_object_type): New.
7840         (get_emutls_init_templ_addr, emutls_decl): New.
7841         (emutls_common_1, emutls_finish): New.
7842         (assemble_variable): When emulating tls, swap decls; generate
7843         constructor for the emutls objects.
7844         (do_assemble_alias): When emulating tls, swap decl and target name.
7845         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
7846         for emulated tls.
7847         * varpool.c (decide_is_variable_needed): Look at force_output.
7848         Recurse for emulated tls.
7849         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
7850         with decide_is_variable_needed.
7851         * emutls.c: New file.
7852         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
7853         tls_object for real tls.
7854
7855 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
7856
7857         PR rtl-optimization/29599
7858         * reload1.c (eliminate_regs_in_insn): Take the destination
7859         mode into account when computing the offset.
7860
7861 2007-02-09  Stuart Hastings  <stuart@apple.com>
7862             Richard Henderson  <rth@redhat.com>
7863
7864         * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
7865         * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
7866         * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
7867         fixuns_truncdfhi2): New.
7868         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
7869         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
7870         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
7871         (floatunssidf2): Allow nonimmediate source.
7872         * config/i386/sse.md (movdi_to_sse): New.
7873         (vec_concatv2di): Drop '*'.
7874         * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
7875         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
7876         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
7877         New.
7878         * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
7879         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
7880         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
7881         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
7882         (ix86_build_signbit_mask): Fix decl of v, refactor to call
7883         ix86_build_const_vector.
7884         (x86_emit_floatuns): Rewrite.
7885
7886 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7887
7888         * genautomata.c (longest_path_length): Delete unused function.
7889         (struct state): Delete unused longest_path_length.
7890         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
7891         (get_free_state): Delete unused.
7892
7893 2007-02-09  Jan Hubicka  <jh@suse.cz>
7894
7895         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
7896         * doc/invoke.texi (inline-unit-growth): Update default value.
7897
7898         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
7899         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
7900         (rebuild_cgraph_edges): Likewise.
7901         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
7902         (dump_cgraph_node): Dump frequencies.
7903         (cgraph_clone_edge): Add frequency scales.
7904         (cgraph_clone_node): Add freuqnecy.
7905         * cgraph.h (cgraph_edge): Add freuqnecy argument.
7906         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
7907         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
7908         * tree-pass.h (TODO_rebuild_frequencies): New constant.
7909         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
7910         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
7911         (save_inline_function_body): Likewise.
7912         * ipa-inline.c: inluce rtl.h
7913         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
7914         (cgraph_edge_badness): Use frequencies.
7915         (cgraph_decide_recursive_inlining): Update clonning.
7916         (cgraph_decide_inlining_of_small_function): Dump frequency.
7917         * predict.c (estimate_bb_frequencies): Export.
7918         * predict.h (estimate_bb_frequencies): Declare.
7919         * tree-inline.c (copy_bb): Watch overflows.
7920         (expand_call_inline): Update call of cgraph_create_edge.
7921         (optimize_inline_calls): Use TODO flags to update frequnecies.
7922         * passes.h: Include predict.h
7923         (init_optimization_passes): Move profile ahead.
7924         (execute_function_todo): Handle TODO_rebuild_frequencies.
7925
7926 2007-02-09  Roger Sayle  <roger@eyesopen.com>
7927
7928         * config/alpha/alpha.c (emit_insxl): Force the first operand of
7929         the insbl or inswl pattern into a register.
7930
7931 2007-02-09  Roger Sayle  <roger@eyesopen.com>
7932
7933         * config/ia64/ia64.md (bswapdi2): New define_insn.
7934
7935 2007-02-09  Richard Henderson  <rth@redhat.com>
7936
7937         * config/i386/constraints.md (Ym): New constraint.
7938         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
7939         (movdi_1_rex64): Split sse and xmm general register moves from
7940         memory move alternatives.  Use conditional register constraints.
7941         (movsf_1, movdf_integer): Likewise.
7942         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
7943         (movdf_integer_rex64): New.
7944         (pushsf_rex64): Fix output constraints.
7945         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
7946         (sse2_stored): Likewise.
7947         (sse2_storeq_rex64): New.
7948         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
7949         amd and not generic.
7950         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
7951         for optimize_size.  Remove SF/DFmode hack.
7952
7953 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7954
7955         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
7956         (bit_SSE4a): New.
7957
7958 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
7959             Richard Sandiford  <richard@codesourcery.com>
7960
7961         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
7962         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
7963         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
7964         m68k/t-mlib to tmake_file.
7965         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
7966         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
7967         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
7968         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
7969         variable is not empty, add t-$m68k_arch_family to tmake_file.
7970         Add t-mlibs to tmake_file.
7971         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
7972         * config/m68k/t-cf: New file.
7973         * config/m68k/t-m68k: Likewise.
7974         * config/m68k/t-mlibs: Likewise.
7975         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7976         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
7977         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
7978         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7979         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
7980         Delete.
7981         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
7982         (INSTALL_LIBGCC): Delete.
7983         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
7984         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7985         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
7986         (M68K_MLIB_CPU): Define.
7987         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7988         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
7989         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
7990
7991 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
7992             Richard Guenther  <rguenther@suse.de>
7993
7994         PR middle-end/23361
7995         * fold-const.c (fold_comparison): Handle obfuscated comparisons
7996         against INT_MIN/INT_MAX.
7997         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
7998         file if a loop is removed.
7999
8000 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
8001
8002         * calls.c (store_one_arg): Pass correct alignment to
8003         emit_push_insn for non-BLKmode values.
8004         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
8005         unaligned stack slot via a suitably aligned slot.
8006
8007 2007-02-08  DJ Delorie  <dj@redhat.com>
8008
8009         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
8010         warnings.
8011         (legal_subregs): Use unsigned char, make const.
8012         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
8013
8014 2007-02-08  Paul Brook  <paul@codesourcery.com>
8015
8016         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
8017         special interworking needed.
8018
8019 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
8020
8021         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
8022         conditional to __SSE2__.
8023         (Entries below should have been added to first ChangeLog
8024         entry for amdfam10 dated 2007-02-05)
8025         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
8026         defined.
8027         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
8028         defined.
8029         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
8030         defined.
8031
8032 2007-02-08  DJ Delorie  <dj@redhat.com>
8033
8034         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
8035         * config/m32c/m32c.c (legal_subregs): New.
8036         (m32c_illegal_subreg_p): New.
8037         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
8038         unsupported subregs of hard regs.
8039
8040 2007-02-08  Jan Hubicka  <jh@suse.cz>
8041
8042         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
8043         the same one; always update histograms.
8044
8045 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
8046
8047         * passes.c (init_optimization_passes): Tidy comment.
8048
8049 2007-02-08  Roger Sayle  <roger@eyesopen.com>
8050
8051         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
8052         strip zero_extend, bswap and rotates from POCOUNT's argument.
8053         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
8054         zero_extend and rotates from PARITY's argument.
8055         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
8056         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
8057         of an integer constant at compile-time.
8058
8059 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
8060
8061         PR 30562
8062         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
8063         Update all users.
8064         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
8065         users.
8066         (init_alias_info):
8067         * tree-ssa-live.c (remove_unused_locals): Do not remove
8068         TREE_ADDRESSABLE variables.
8069         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
8070         * tree-ssa-operands.c (add_virtual_operand): Remove argument
8071         FOR_CLOBBER.  Update all users.
8072         If VAR has an associated alias set, add a virtual operand for
8073         it if no alias is found to conflict with the memory reference.
8074
8075 2007-02-07  Jan Hubicka  <jh@suse.cz>
8076             Robert Kidd <rkidd@crhc.uiuc.edu>
8077
8078         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
8079
8080 2007-02-07  Ian Lance Taylor  <iant@google.com>
8081
8082         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
8083
8084 2007-02-07  Roger Sayle  <roger@eyesopen.com>
8085
8086         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
8087         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
8088         tablejumpdi, movsi_to_cr_one): Remove constraints from
8089         define_expand's match_operands.
8090
8091 2007-02-07  Roger Sayle  <roger@eyesopen.com>
8092
8093         * global.c (compute_regsets): Move declatation of "i" inside of
8094         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
8095
8096 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
8097
8098         PR c++/30703
8099         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
8100         of INDIRECT_REF <RESULT_DECL>.
8101
8102         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
8103
8104 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
8105             Kaz Kojima  <kkojima@gcc.gnu.org>
8106
8107         PR target/29746
8108         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
8109         properly.
8110         (sh_initialize_trampoline): Add parentheses to avoid a warning.
8111
8112 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
8113
8114         * doc/loop.texi: Document possibility not to perform disambiguation
8115         of loops with multiple latches.
8116         * cfgloopmanip.c (alp_enum_p): Removed.
8117         (add_loop): Handle subloops.  Use get_loop_body_with_size.
8118         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
8119         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
8120         the new forwarder block.
8121         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
8122         Handle the case latch is NULL.
8123         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
8124         when marking loop exits.
8125         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
8126         be modified.
8127         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
8128         disambiguate_loops_with_multiple_latches.
8129         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
8130         before fix_loop_structure.
8131         * cfgloop.c: Include pointer-set.h and output.h.
8132         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
8133         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
8134         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
8135         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
8136         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
8137         disambiguate_multiple_latches, get_loop_body_with_size,
8138         disambiguate_loops_with_multiple_latches): New functions.
8139         (flow_loop_dump): Dump multiple latch edges.
8140         (flow_loop_nodes_find): Handle loops with multiple latches.
8141         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
8142         (glb_enum_p): Modified.
8143         (get_loop_body): Use get_loop_body_with_size.
8144         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
8145         (AVOID_CFG_MODIFICATIONS): New constant.
8146         (disambiguate_loops_with_multiple_latches, add_loop,
8147         get_loop_body_with_size): Declare.
8148         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
8149
8150 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
8151
8152         PR inline-asm/28686
8153         * global.c (compute_regsets): New function.
8154         (global_alloc): Refactored ELIMINABLE_REGSET
8155         and NO_GLOBAL_ALLOC_REGS computation out.
8156         (rest_of_handle_global_alloc): Call compute_regsets()
8157         for non-optimizing case.
8158
8159 2007-02-06  Richard Henderson  <rth@redhat.com>
8160
8161         * config/i386/constraints.md (Y2): Rename from Y.
8162         (Yi): New constraint.
8163         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
8164         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
8165         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
8166         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
8167         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
8168         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
8169         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
8170         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
8171         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
8172         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
8173         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
8174         vec_extractv2si_1): Change Y constraints to Y2.
8175         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
8176         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
8177         Change Y constraints to Y2.
8178         (sse2_loadld): Change Y constraints to x.
8179
8180 2007-02-06  Roger Sayle  <roger@eyesopen.com>
8181
8182         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
8183         (parity<mode>2): New define_expand using rs6000_emit_parity.
8184         * config/rs6000/rs6000.c (rs6000_emit_popcount,
8185         rs6000_emit_parity): New functions.
8186         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
8187         rs6000_emit_parity): Prototype here.
8188
8189 2007-02-06  Ian Lance Taylor  <iant@google.com>
8190
8191         * lower-subreg.c (simple_move_operand): Reject CONST.
8192         (resolve_clobber): Call validate_change rather than directly
8193         assigning to XEXP (pat, 0).
8194
8195 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
8196
8197         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
8198         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
8199         (tree-cfg.o): Remove hashtab.h dependency.
8200
8201         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
8202         (struct ivopts_data): Change niters to pointer_map_t.
8203         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
8204         (niter_for_exit): Create pointer_map on demand.  Change for
8205         pointer_map API.
8206         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
8207         (free_loop_data): Destroy data->niters if created and reset field.
8208         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
8209         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
8210
8211         * tree-ssa-reassoc.c: Include pointer-set.h.
8212         (bb_rank): Change to long *.
8213         (operand_rank): Change to pointer_map_t.
8214         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
8215         (insert_operand_rank): Accept long.
8216         (operand_entry_hash, operand_entry_eq): Remove.
8217         (get_rank): Return long.  Adjust for changes above.
8218         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
8219         and operand_rank.
8220         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
8221
8222         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
8223         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
8224         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
8225         is not NULL.
8226         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
8227         directly since it cannot be NULL.
8228         (get_vi_for_tree): Rewrite for pointer_map API.
8229         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
8230         (init_alias_vars): Create vi_for_tree as pointer_map.
8231         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
8232
8233         * tree-cfg.c: Don't include hashtab.h.
8234         (edge_to_cases): Declare as pointer_map.
8235         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
8236         Delete.
8237         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
8238         (start_recording_case_labels): Create edge_to_cases as pointer_map.
8239         (end_recoding_case_labels): Cleanup edge_to_cases manually before
8240         destroying it.
8241         (record_switch_edge): Delete.
8242         (get_cases_for_edge): Adjust for pointer_map API, inline
8243         record_switch_edge (rewritten for new API), remove goto.
8244
8245 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
8246
8247         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
8248         * tree-nested.c: Include pointer-set.h.
8249         (var_map_elt, var_map_eq, var_map_hash): Delete.
8250         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
8251         to pointer_map_t's.
8252         (nesting_info_bitmap_obstack): New.
8253         (lookup_field_for_decl): Adjust for pointer_map API.
8254         (lookup_tramp_for_decl): Adjust for pointer_map API.
8255         (get_nonlocal_debug_decl): Adjust for pointer_map API.
8256         (get_local_debug_decl): Adjust for pointer_map API.
8257         (convert_nl_goto_reference): Adjust for pointer_map API.
8258         (convert_nl_goto_receiver): Adjust for pointer_map API.
8259         (create_nesting_tree): Create outside GGC space.  Create bitmap on
8260         the new obstack.  Create field_map and var_map as pointer_maps.
8261         (free_nesting_tree): Adjust for changes to create_nesting_tree.
8262         (root): Delete.
8263         (lower_nested_functions): Move root here, no need to NULL it.
8264         Initialize and release the obstack.
8265
8266 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
8267
8268         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
8269         Remove prototypes and make them non-static.
8270         (struct tree_int_map): Remove.
8271         * tree.h (struct tree_int_map): Move here, turning TO into an
8272         unsigned int.
8273         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
8274
8275         * tree.h (TREE_COMPLEXITY): Remove.
8276         (struct tree_exp): Remove complexity field.
8277         * tree.c (build1_stat): Don't set it.
8278
8279 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
8280             Victor Kaplansky  <victork@il.ibm.com>
8281
8282         * tree-vectorizer.c (vect_is_simple_use): Support induction.
8283         (vect_is_simple_reduction): Support reduction with induction as
8284         one of the operands.
8285         (vect_is_simple_iv_evolution): Fix formatting.
8286         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
8287         formatting.  Don't mark induction phis for vectorization.
8288         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
8289         * tree-vect-transform.c (get_initial_def_for_induction): New function.
8290         (vect_get_vec_def_for_operand): Support induction.
8291         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
8292         induction case.
8293         (vectorizable_reduction): Support reduction with induction as one of
8294         the operands.
8295         (vectorizable_type_demotion): Use def-type of stmt argument rather
8296         than dummy def-type.
8297
8298         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
8299         flag_tree_scev_cprop.
8300         * common.opt (tree-scev-cprop): New flag.
8301
8302         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
8303         call to vect_get_new_vect_var.
8304
8305 2007-02-06  Ira Rosen  <irar@il.ibm.com>
8306
8307         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
8308         vectype is not NULL.
8309         (vect_pattern_recog_1): Likewise.
8310
8311 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8312
8313         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
8314         (fold_negate_expr): Likewise.
8315
8316 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
8317
8318         PR debug/30189
8319         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
8320         even if cv-qualification is the same.
8321
8322 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
8323
8324         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
8325         __enable_execute_stack on completion.
8326
8327 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8328
8329         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
8330         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
8331         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
8332         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
8333         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
8334         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
8335         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
8336         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
8337
8338 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8339
8340         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
8341         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
8342         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
8343         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
8344         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
8345         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
8346         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
8347         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
8348         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
8349         umuldi3_highpart_rex64, umulsi3_highpart_insn,
8350         umulsi3_highpart_zext, smuldi3_highpart_rex64,
8351         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
8352         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
8353         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
8354         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
8355         sqrtextenddfxf2_i387): Added amdfam10_decode.
8356
8357         * config/i386/athlon.md (athlon_idirect_amdfam10,
8358         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
8359         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
8360         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
8361         athlon_ivector_store_amdfam10): New define_insn_reservation.
8362         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
8363         amdfam10.
8364
8365 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8366
8367         * config/i386/athlon.md (athlon_call_amdfam10,
8368         athlon_pop_amdfam10, athlon_lea_amdfam10): New
8369         define_insn_reservation.
8370         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
8371         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
8372         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
8373
8374 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8375
8376         * config/i386/athlon.md (athlon_sseld_amdfam10,
8377         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
8378         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
8379
8380 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8381
8382         * config/i386/athlon.md (athlon_sseins_amdfam10): New
8383         define_insn_reservation.
8384         * config/i386/i386.md (sseins): Added sseins to define_attr type
8385         and define_attr unit.
8386         * config/i386/sse.md: Set type attribute to sseins for insertq
8387         and insertqi.
8388
8389 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8390
8391         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
8392         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
8393         ssecomi_load_amdfam10, ssecomi_amdfam10,
8394         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
8395         define_insn_reservation.
8396         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
8397
8398 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8399
8400         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
8401         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
8402         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
8403         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
8404         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
8405         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
8406         define_insn_reservation.
8407
8408         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
8409         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
8410         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
8411         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
8412         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
8413
8414 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8415
8416         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
8417         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
8418         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
8419         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
8420         athlon_ssemul_load_k8): Added amdfam10.
8421
8422 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8423
8424         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
8425         (x86_sse_unaligned_move_optimal): New variable.
8426
8427         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
8428         m_AMDFAM10.
8429         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
8430         for unaligned vector SSE double/single precision loads for AMDFAM10.
8431
8432 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8433
8434         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
8435         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
8436         Define TARGET_CPU_DEFAULT_amdfam10.
8437         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
8438         (processor_type): Add PROCESSOR_AMDFAM10.
8439
8440         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
8441         processor_type in config/i386/i386.h.
8442         Enable imul peepholes for TARGET_AMDFAM10.
8443
8444         * config.gcc: Add support for --with-cpu option for amdfam10.
8445
8446         * config/i386/i386.c (amdfam10_cost): New variable.
8447         (m_AMDFAM10): New macro.
8448         (m_ATHLON_K8_AMDFAM10): New macro.
8449         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
8450         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
8451         x86_promote_QImode, x86_integer_DFmode_moves,
8452         x86_partial_reg_dependency, x86_memory_mismatch_stall,
8453         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
8454         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
8455         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
8456         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
8457         Enable/disable for amdfam10.
8458         (override_options): Add amdfam10_cost to processor_target_table.
8459         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
8460         processor_alias_table.
8461         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
8462         (ix86_adjust_cost): Add code for amdfam10.
8463
8464 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8465
8466         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
8467         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
8468         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
8469         * config/i386/i386.h: Add builtin definition for SSE4A.
8470         * config/i386/i386.md: Add support for ABM instructions
8471         (popcnt and lzcnt).
8472         * config/i386/sse.md: Add support for SSE4A instructions
8473         (movntss, movntsd, extrq, insertq).
8474         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
8475         Add -march=amdfam10 flag.
8476         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
8477         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
8478         and amdfam10.
8479         * doc/extend.texi: Add documentation for SSE4A builtins.
8480
8481 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
8482
8483         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
8484
8485 2007-02-05  Richard Guenther  <rguenther@suse.de>
8486
8487         * tree-vectorizer.h (vectorizable_function): Add argument type
8488         argument, change return type.
8489         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
8490         * tree-vect-transform.c (vectorizable_function): Handle extra
8491         argument, return vectorized function decl.
8492         (build_vectorized_function_call): Remove.
8493         (vectorizable_call): Handle calls with result and argument types
8494         differing.  Handle loop vectorization factor correctly.
8495         * targhooks.c (default_builtin_vectorized_function): Adjust for
8496         extra argument.
8497         * targhooks.h (default_builtin_vectorized_function): Likewise.
8498         * target.h (builtin_vectorized_function): Add argument type
8499         argument.
8500         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
8501         extra argument, allow vectorizing of lrintf.
8502         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
8503         documentation of target hook.
8504
8505 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
8506
8507         PR target/30665
8508         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
8509         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
8510         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
8511
8512 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8513
8514         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
8515         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
8516         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
8517         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
8518         before canonicalizing sincos to cexpi.
8519         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
8520
8521 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8522
8523         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
8524         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
8525         (alpha_init_builtins): Use alpha_add_builtins to process tables.
8526
8527 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8528
8529         * mips-tfile.c (initialize_init_file): Correct endianness test.
8530
8531 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
8532
8533         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
8534         the 'y' constraint.
8535
8536 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
8537
8538         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
8539         saves in a PARALLEL before the register assignments.
8540
8541 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
8542
8543         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
8544         DWARF_FRAME_RETURN_COLUMN to be a general register.
8545         * dwarf2out.c (init_return_column_size): New function, split from...
8546         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
8547         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
8548         to be nongeneral registers.
8549         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
8550         integer registers.
8551         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
8552         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
8553
8554 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
8555
8556         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
8557
8558 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
8559
8560         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
8561         (remove_path): Use can_remove_branch_p and remove_branch instead
8562         of loop_delete_branch_edge.
8563         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
8564         (tree_transform_and_unroll_loop): Remove dead branches immediately.
8565         Update profile using scale_dominated_blocks_in_loop.
8566         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
8567         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
8568         (can_remove_branch_p, remove_branch): Declare.
8569         * tree-cfg.c (tree_can_remove_branch_p): New function.
8570         (tree_cfg_hooks): Add tree_can_remove_branch_p.
8571         * cfgrtl.c (rtl_can_remove_branch_p): New function.
8572         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
8573
8574 2007-02-05  Jan Hubicka  <jh@suse.cz>
8575
8576         PR middle-end/30696
8577         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
8578         nodes in cgraph, don't remove offline copy of the function.
8579
8580 2007-02-04  Jan Hubicka  <jh@suse.cz>
8581
8582         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
8583         vectors might cause maybe_lookup_element_for_expr to be called
8584         on non-sra-candidate.
8585
8586 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
8587
8588         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
8589         config/bfin/bfin.md, config/bfin/predicates.md: Follow
8590         spelling conventions.
8591
8592 2007-02-04  Richard Guenther  <rguenther@suse.de>
8593
8594         PR middle-end/30636
8595         * fold-const.c (try_move_mult_to_index): Make sure to not
8596         overflow one dimension of a multi-dimensional array access.
8597
8598 2007-02-04  Jan Hubicka  <jh@suse.cz>
8599
8600         * passes.c (init_optimization_passes): Reindent.
8601
8602 2007-02-04  Jan Hubicka  <jh@suse.cz>
8603             Eric Botcazou  <ebotcazou@adacore.com>
8604
8605         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
8606         (execute_fixup_cfg): Break out the abnormal goto code.
8607         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
8608         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
8609         (optimize_inline_calls): Call make_nonlocal_label_edges.
8610
8611 2007-02-04  Jan Hubicka  <jh@suse.cz>
8612
8613         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
8614         true when something was changed.
8615         (rename_ssa_copies): When something was changed, do
8616         TODO_remove_unused_locals.
8617         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
8618         add TODO_remove_unused_locals when instruction was removed.
8619
8620 2007-02-04  Jan Hubicka  <jh@suse.cz>
8621
8622         * ipa-inline.c (try_inline): Improve debug output; work on already
8623         inline edges too.
8624         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
8625         call try_inline for already inlined edges too when flattening;
8626         inline also functions that make callee growth but overall unit size
8627         reduce.
8628
8629 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
8630
8631         * config/m32c/bitops.md, config/m32c/jump.md,
8632         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
8633         config/m32r/m32r.h, config/m32r/m32r.md,
8634         config/m32r/predicates.md, config/m68hc11/larith.asm,
8635         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
8636         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
8637         config/mips/mips-protos.h, config/mips/mips.c,
8638         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
8639         config/mn10300/mn10300.h, config/mn10300/predicates.md,
8640         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
8641         spelling conventions.
8642
8643         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
8644         Follow spelling conventions.
8645
8646 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
8647
8648         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
8649         warn about C++0x compatibility.
8650
8651 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
8652
8653         * config/h8300/h8300.c, config/h8300/h8300.h,
8654         config/h8300/h8300.md: Follow spelling conventions.
8655
8656 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
8657
8658         PR middle-end/30667
8659         * combine.c (try_combine): Do not substitute source operand
8660         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
8661
8662 2007-02-03  Jan Hubicka  <jh@suse.cz>
8663
8664         PR gcov-profile/30650
8665         * value-prof.c (stringop_block_profile): Fix handling of size counter;
8666         do not divide by zero for never executed counters.
8667         (tree_find_values_to_profile): Fix counters.
8668         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
8669
8670 2007-02-03  Ian Lance Taylor  <iant@google.com>
8671
8672         * lower-subreg.c (simple_move_operand): New static function,
8673         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
8674         operands.
8675         (simple_move): Call simple_move_operand.
8676         (find_decomposable_subregs): Add special handling of MEMs.
8677         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
8678         meaning of return value.  If we see a hard register, test whether
8679         it can store a word_mode value.  Change all callers.
8680
8681 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8682
8683         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
8684         ftrapv insns and expanders.
8685         (subdi3): Change define_expand operand 1 to arith11_operand, and
8686         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
8687         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
8688         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
8689         respectively.
8690
8691         PR middle-end/30174
8692         * varasm.c (notice_global_symbol): Treat global objects as weak when
8693         flag_shlib is true.
8694
8695 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8696
8697         * emit-rtl.c (dconstpi): Delete.
8698         (dconstsqrt2): New.
8699         (init_emit_once): Delete dconstpi and init dconstsqrt2.
8700         * real.h (dconstpi): Delete.
8701         (dconstsqrt2): New.
8702         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
8703         (fold_builtin_hypot): Likewise.
8704
8705 2007-02-03  Tom Tromey  <tromey@redhat.com>
8706
8707         PR driver/30246
8708         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
8709         -gcoff3, -gxcoff3, -gvms3 implies -dD.
8710
8711 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
8712
8713         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
8714         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
8715         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
8716         config/rs6000/cell.md, config/rs6000/darwin.h,
8717         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
8718         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
8719         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
8720         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
8721         typos.  Follow spelling conventions.
8722         * doc/invoke.texi: Follow spelling conventions.
8723
8724 2007-02-03  Roger Sayle  <roger@eyesopen.com>
8725
8726         * simplify-rtx.c (simplify_relational_operation_1): Implement some
8727         canonicalization transformations that attempt to simplify integer
8728         constant comparisons to become comparisons against zero.
8729
8730 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8731
8732         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
8733         fabs(x)*sqrt(2).
8734         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
8735         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
8736
8737 2007-02-02  Mike Stump  <mrs@apple.com>
8738
8739         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
8740         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
8741         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
8742         generate a branch island.
8743
8744 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
8745
8746         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
8747         (xtensa_legitimate_address_p): New.
8748         (xtensa_legitimize_address): New.
8749         (xtensa_output_addr_const_extra): New.
8750         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
8751         (BASE_REG_P): New.
8752         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
8753         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
8754         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
8755         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
8756         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
8757         (xtensa_legitimize_address): New.
8758         (xtensa_output_addr_const_extra): New.
8759
8760 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
8761
8762         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
8763
8764 2007-02-02  Ian Lance Taylor  <iant@google.com>
8765
8766         * expmed.c (expand_divmod): Add comment.
8767
8768 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
8769
8770         * emit-rtl.c (renumber_insns): Remove.
8771         * flags.h: Remove the extern for flag_renumber_insns.
8772         * rtl.h: Remove the prototype for renumber_insns.
8773         * toplev.c (flag_renumber_insns): Remove.
8774
8775 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
8776
8777         Revert for x86 darwin:
8778         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
8779
8780         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
8781         code before the following patch under TARGET_MACHO.
8782         (ix86_function_value_regno_p): Likewise.
8783
8784 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8785
8786         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
8787         COMPLEX_EXPR.
8788
8789 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
8790
8791         PR target/29682
8792         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
8793         general or fp registers.  Add comments.
8794         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
8795
8796 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
8797
8798         * pointer-set.c (insert_aux): Only return insertion slot.
8799         (pointer_set_insert): Adjust.
8800         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
8801         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
8802         pointer_map_traverse): New.
8803         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
8804         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
8805         pointer_map_contains, pointer_map_traverse): Declare.
8806
8807 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
8808
8809         PR middle-end/30473
8810         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
8811         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
8812
8813 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
8814
8815         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
8816
8817         (struct _dep): New type.
8818         (dep_t): New typedef.
8819         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
8820         (DEP_STATUS): New access macro.  The macro with the same name was
8821         renamed to DEP_LINK_STATUS.
8822         (dep_init): Declare function
8823
8824         (struct _dep_link): New type.
8825         (dep_link_t): New typedef.
8826         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
8827         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
8828         (DEP_LINK_STATUS): New macro.
8829         (debug_dep_links): New debug function.
8830
8831         (struct _deps_list): New type.
8832         (deps_list_t): New typedef.
8833         (DEPS_LIST_FIRST): New access macro.
8834         (FOR_EACH_DEP_LINK): New cycle macro.
8835         (create_deps_list, free_deps_list, delete_deps_list): Declare
8836         functions.
8837         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
8838         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
8839         (copy_deps_list_change_con): Ditto.
8840
8841         (move_dep_link): Declare function.
8842
8843         (struct _dep_node): New type.
8844         (dep_node_t): New typedef.
8845         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
8846
8847         (struct haifa_insn_data.back_deps): New field to hold backward
8848         dependencies of the insn.
8849         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
8850         to deps_list_t.
8851         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
8852         Change its type to deps_list_t.
8853         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
8854         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
8855         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
8856
8857         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
8858
8859         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
8860
8861         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
8862         all callers.
8863         (dep_cost): Declare.
8864
8865         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
8866         (ds_to_dk, dk_to_ds): New functions.
8867
8868         (init_dep_1): New static function.
8869         (init_dep): New function.
8870         (copy_dep): New static function.
8871
8872         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
8873         functions.
8874         (detach_dep_link): New static function.
8875         (move_dep_link): New function.
8876
8877         (dep_links_consistent_p, dump_dep_links): New static functions.
8878         (debug_dep_links): New debugging function.
8879
8880         (deps_obstack, dl_obstack, dn_obstack): New static variables.
8881
8882         (alloc_deps_list, init_deps_list): New static functions.
8883         (create_deps_list): New function.
8884         (clear_deps_list): New static function.
8885         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
8886         (deps_list_consistent_p, dump_deps_list): New static functions.
8887         (debug_deps_list): New function.
8888         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
8889         functions.
8890         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
8891
8892         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
8893         use new scheduler dependencies lists.
8894         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
8895         (sched_analyze): Ditto.  Initialize dependencies lists.
8896         (add_forw_dep, compute_forward_dependences): Update to use new
8897         scheduler dependencies lists.
8898
8899         (init_dependency_caches): Init deps_obstack.
8900         (free_dependency_caches): Free deps_obstack.
8901
8902         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
8903         new scheduler dependencies lists.
8904         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
8905         (add_back_forw_dep, delete_back_forw_dep): Ditto.
8906
8907         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
8908         Update to use new scheduler dependencies lists.
8909         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
8910         (debug_dependencies): Ditto.
8911         (schedule_region): Update comments.
8912
8913         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
8914         scheduler dependencies lists.
8915         (schedule_ebb): Update comments.
8916
8917         * rtl.def (DEPS_LIST): Remove.
8918
8919         * lists.c (unused_deps_list): Remove.
8920         (free_list): Update assertions.
8921
8922         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
8923         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
8924
8925         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
8926         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
8927
8928         * haifa-sched.c (comments): Update.
8929         (insn_cost1): Remove.  Inline the code into insn_cost ().
8930         (insn_cost): Update to use new scheduler dependencies lists.  Move
8931         processing of the dependency cost to dep_cost ().
8932         (dep_cost): New function.  Use it instead of insn_cost () when
8933         evaluating cost of the dependency.  Use compatible interface to
8934         interact with the target.
8935         (priority): Update to use new scheduler dependencies lists.
8936         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
8937         with greater number of insns that depend on the insn.
8938         (schedule_insn): Update to use new scheduler dependencies lists.  Add
8939         code to free backward dependencies lists.  Inline and optimize code
8940         from resolve_dep () - see PR28071.
8941         (ok_for_early_queue_removal): Update to use new scheduler dependencies
8942         lists.  Update call to targetm.sched.is_costly_dependence hook.
8943
8944         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
8945         scheduler dependencies lists.
8946
8947         (resolve_dep): Remove.  Move the logic to schedule_insn ().
8948         (init_h_i_d): Initialize dependencies lists.
8949
8950         (process_insn_depend_be_in_spec): Rename to
8951         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
8952         dependencies lists.
8953         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
8954         Update to use new scheduler dependencies lists.
8955         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
8956
8957         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
8958         new scheduler dependencies lists.
8959         (build_intra_loop_deps): Ditto.
8960
8961         * target.h (struct _dep): Declare to use in
8962         gcc_target.sched.is_costly_dependence.
8963         (struct gcc_target.sched.adjust_cost): Fix typo.
8964         (struct gcc_target.sched.is_costly_dependence): Change signature to use
8965         single dep_t parameter instead of an equivalent triad.
8966         (struct gcc_target.sched.adjust_cost_2): Remove.
8967
8968         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
8969
8970         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
8971
8972         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
8973         documentation.
8974         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
8975
8976         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
8977         (REG_DEP_TRUE): Document.
8978
8979         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
8980         Change signature to correspond to the targetm.sched.adjust_cost hook.
8981         Update use in TARGET_SCHED_ADJUST_COST_2.
8982         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
8983         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
8984         new scheduler dependencies lists.
8985         (ia64_gen_check): Ditto.
8986
8987         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
8988         dependencies lists.
8989
8990         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
8991         signature to correspond to the targetm.sched.is_costly_dependence hook.
8992         (is_costly_group): Update to use new scheduler dependencies lists.
8993
8994         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
8995         instead of INSN_COST () macro.
8996
8997 2007-02-01  Ian Lance Taylor  <iant@google.com>
8998
8999         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
9000
9001 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
9002
9003         * pa.md (tp_load): Correct mfctl instruction syntax.
9004
9005 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
9006
9007         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
9008         altivec_padding_size calculation on AIX.  Improve comment, add
9009         assert to verify that it's right.
9010
9011         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
9012         64-bit.
9013
9014 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
9015
9016         PR inline-asm/28686
9017         * global.c (global_alloc): Add mising initialization of
9018         ELIMINABLE_REGSET.
9019
9020 2007-02-01  Roger Sayle  <roger@eyesopen.com>
9021
9022         * alias.c (init_alias_analysis): Correct whitespace.
9023         * bb-reorder.c (fix_edges_for_rarely_executed_code,
9024         partition_hot_cold_basic_blocks): Likewise.
9025         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
9026         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
9027         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
9028         fold_builtin_snprintf_chk, fold_builtin_printf,
9029         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
9030         do_mpfr_arg3, do_mpfr_sincos): Likewise.
9031         * cfgcleanup.c (cleanup_cfg): Likewise.
9032         * cfgexpand.c (tree_expand_cfg): Likewise.
9033         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
9034         * function.c (get_next_funcdef_no): Likewise.
9035         * gengtype.c (main): Likewise.
9036         * genmodes.c (main): Likewise.
9037         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
9038         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
9039         * ifcvt.c (noce_emit_move_insn): Likewise.
9040         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
9041         Likewise.
9042         * stor-layout.c (get_best_mode): Likewise.
9043         * tree-ssa-loop-niter.c (get_val_for): Likewise.
9044         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
9045         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
9046         perform_var_substitution, solve_graph): Likewise.
9047         * tree-vrp.c (vrp_finalize): Likewise.
9048
9049 2007-02-01  Ian Lance Taylor  <iant@google.com>
9050
9051         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
9052         high part of a paradoxical subreg, return a constant zero.
9053
9054 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
9055
9056         * toplev.c (lang_dependent_init): Call init_set_costs.
9057         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
9058
9059 2007-02-01  Richard Guenther  <rguenther@suse.de>
9060
9061         PR middle-end/30656
9062         * fold-const.c (fold_negate_expr): Allow negating a
9063         constant if overflow does not change.
9064
9065 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9066
9067         * doc/c-tree.texi (Expression trees): Improve markup.
9068         * doc/tm.texi (Register Classes, Addressing Modes)
9069         (Floating Point): Fix spacing after abbreviations.  Fix some
9070         typos.
9071
9072 2007-02-01  Ben Elliston  <bje@au.ibm.com>
9073
9074         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
9075         * doc/contrib.texi: Likewise.
9076         * doc/install.texi: Likewise.
9077
9078 2007-01-31  Richard Henderson  <rth@redhat.com>
9079             Ian Lance Taylor  <iant@google.com>
9080
9081         * lower-subreg.c: New file.
9082         * rtl.def (CONCATN): Define.
9083         * passes.c (init_optimization_passes): Add pass_lower_subreg and
9084         pass_lower_subreg2.
9085         * emit-rtl.c (update_reg_offset): New static function, broken out
9086         of gen_rtx_REG_offset.
9087         (gen_rtx_REG_offset): Call update_reg_offset.
9088         (gen_reg_rtx_offset): New function.
9089         * regclass.c: Revert patch of 2006-03-05, restoring
9090         reg_scan_update.
9091         (clear_reg_info_regno): New function.
9092         * dwarf2out.c (concatn_loc_descriptor): New static function.
9093         (loc_descriptor): Handle CONCATN.
9094         * common.opt (fsplit_wide_types): New option.
9095         * opts.c (decode_options): Set flag_split_wide_types when
9096         optimizing.
9097         * timevar.def (TV_LOWER_SUBREG): Define.
9098         * rtl.h (gen_reg_rtx_offset): Declare.
9099         (reg_scan_update): Declare.
9100         * regs.h (clear_reg_info_regno): Declare.
9101         * tree-pass.h (pass_lower_subreg): Declare.
9102         (pass_lower_subreg2): Declare.
9103         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
9104         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
9105         -fsplit-wide-types.
9106         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
9107         * Makefile.in (OBJS-common): Add lower-subreg.o.
9108         (lower-subreg.o): New target.
9109
9110 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9111
9112         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
9113
9114 2007-01-31  Anatoly Sokolov <aesok@post.ru>
9115
9116         PR target/19087
9117         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
9118
9119 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9120
9121         PR middle-end/29335
9122         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
9123
9124 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
9125
9126         * cfgloop.h: Include vec-prim.h.
9127         (enum li_flags): Remove LI_ONLY_OLD.
9128         (loop_iterator): Changed.
9129         (fel_next, fel_init): Iterate over loop tree.
9130         (FOR_EACH_LOOP_BREAK): New macro.
9131         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
9132         FOR_EACH_LOOP.
9133         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
9134         * modulo-sched.c (sms_schedule): Ditto.
9135         * tree-vectorizer.c (vectorize_loops): Ditto.
9136         * doc/loop.texi: Update information on loop numbering and behavior of
9137         FOR_EACH_LOOP wrto new loops.
9138         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9139         add_to_evolution_1): Test nestedness of loops instead of comparing
9140         their numbers.
9141         * tree-chrec.c (chrec_fold_plus_poly_poly,
9142         chrec_fold_multiply_poly_poly, chrec_evaluate,
9143         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
9144         reset_evolution_in_loop): Ditto.
9145         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
9146
9147 2007-01-31  Dirk Mueller  <dmueller@suse.de>
9148
9149         * c-common.c (warn_about_parentheses): Separate warning about
9150         un-parenthized sequence of comparison operators from the one
9151         which is supposed to warn about x <= y <= z.
9152
9153 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
9154
9155         * optabs.h (enum optab_index): Add new OTI_isinf.
9156         (isinf_optab): Define corresponding macro.
9157         * optabs.c (init_optabs): Initialize isinf_optab.
9158         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
9159         patterns.
9160         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
9161         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
9162         using isinf_optab.
9163         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
9164         expand_builtin_interclass_mathfn.
9165         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
9166         * config/i386/i386.md (UNSPEC_FXAM): New constant.
9167         (fxam<mode>2_i387): New insn pattern.
9168         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
9169         built-in functions as x87 inline asm.
9170
9171 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9172
9173         * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
9174
9175 2007-01-30  Eric Christopher  <echristo@apple.com>
9176
9177         * config.gcc: Add geode.
9178
9179 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9180
9181         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
9182         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
9183         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
9184         value-prof.c: Fix comment typos.
9185
9186 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9187
9188         PR c++/24745
9189         * doc/invoke.texi (Wpointer-arith): Document warning.
9190
9191 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
9192
9193         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
9194         the list of discrepancies from the draft TR.
9195
9196 2007-01-30  Dirk Mueller  <dmueller@suse.de>
9197
9198         PR c++/30601
9199         * doc/invoke.texi (-Wreturn-type): Update description to
9200         match new behavior.
9201
9202 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
9203
9204         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
9205
9206 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
9207
9208         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
9209         to handle optabs that operate on floating point input argument and
9210         output to integer output.
9211         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
9212         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
9213         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
9214         expand_builtin_interclass_mathfn ().
9215         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
9216         (ilogbsi2): Remove.
9217         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
9218         ilogbl built-in functions as x87 intrinsics.
9219
9220 2007-01-30  Richard Guenther  <rguenther@suse.de>
9221
9222         PR middle-end/27657
9223         * dwarf2out.c (reference_to_unused): Query varpool if the
9224         variable was output.
9225
9226 2007-01-30  Richard Guenther  <rguenther@suse.de>
9227
9228         PR middle-end/30313
9229         * passes.c (execute_one_pass): Reset in_gimple_form to not
9230         confuse non-unit-at-a-time mode.
9231
9232 2007-01-29  Roger Sayle  <roger@eyesopen.com>
9233             Richard Guenther  <rguenther@suse.de>
9234
9235         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
9236         avoid undefined behaviour on overflow.  Use force_fit_type_double
9237         to construct the constant with the specified TREE_OVERFLOW.
9238
9239 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
9240
9241         * config/dfp-bit.c: Add parameterized support for fp exceptions.
9242         * config/dfp-bit.h: Ditto.
9243
9244 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9245
9246         * c-decl.c (pop_scope): Replace warnings with call to
9247         warn_for_unused_label.
9248         * c-common.h (warn_for_unused_label): Declare.
9249         * c-common.c (warn_for_unused_label): Define.
9250
9251 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9252
9253         * tree-optimize.c (update_inlined_to_pointers): Delete unused
9254         function.
9255
9256 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
9257
9258         * Makefile.in (USER_H): Remove decfloat.h.
9259         * ginclude/decfloat.h: Delete, moving contents to ...
9260         * ginclude/float.h: Add support for decimal floating point,
9261         guarded by __STDC_WANT_DEC_FP__.
9262
9263 2007-01-29  Mike Stump  <mrs@apple.com>
9264
9265         * doc/gccint.texi (Top): Rename Loop Representation to Loop
9266         Analysis and Representation to resolve case insensitive conflict.
9267         * doc/loop.texi (Loop Analysis and Representation): Likewise.
9268
9269 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
9270
9271         * tree.h (struct tree_memory_tag): Add aliases member.
9272         (MTAG_ALIASES): New macro.
9273         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
9274         (add_may_alias): Remove pointer-set. Update for may_aliases being
9275         a bitmap.
9276         (mark_aliases_call_clobbered): Update for may_aliases being a
9277         bitmap.
9278         (compute_tag_properties): Ditto.
9279         (create_partition_for): Ditto.
9280         (compute_memory_partitions): Ditto.
9281         (dump_may_aliases_for): Ditto.
9282         (is_aliased_with): Ditto.
9283         (add_may_alias_for_new_tag): Ditto.
9284         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
9285         (compute_is_aliased): New function.
9286         (compute_may_aliases): Call compute_is_aliased).
9287         (init_alias_info): Initialize alias_bitmap_obstack.
9288         (union_alias_set_into): New function.
9289         (compute_flow_sensitive_aliasing): Use union_aliases_into.
9290         (have_common_aliases_p): Rewrite to take two bitmaps and use
9291         intersection.
9292         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
9293         Update for bitmaps.
9294         (finalize_ref_all_pointers): Update for add_may_alias changes.
9295         (new_type_alias): Ditto.
9296         * tree-flow-inline.h (may_aliases): Return a bitmap.
9297         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
9298         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
9299         may_aliases being a bitmap.
9300         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
9301         may_aliases now returns a bitmap.
9302         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
9303         being a bitmap.
9304         * tree-ssa-operands.c (add_virtual_operand): Update for
9305         may_aliases being a bitmap.
9306
9307 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
9308
9309         PR tree-optimization/30630
9310         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
9311         variable as changed.
9312
9313 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
9314
9315         PR c++/28266
9316         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
9317         expanded only once even if an error occurs.
9318
9319 2007-01-29  Ben Elliston  <bje@au.ibm.com>
9320
9321         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
9322         (__gcov_average_profiler): Likewise.
9323         (__gcov_ior_profiler): Likewise.
9324         (__gcov_merge_ior): Likewise.
9325
9326 2007-01-28  Jan Hubicka  <jh@suse.cz>
9327
9328         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
9329         * value-prof.c (stringop_block_profile): Likewise.
9330
9331 2007-01-28  Jan Hubicka  <jh@suse.cz>
9332
9333         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
9334         variant handling histograms; add wrapper.
9335         (clear_storage_via_libcall): Export.
9336         (emit_block_move_hints): Break out from ...; add histograms.
9337         (emit_block_move): ... this one.
9338         (clear_storage_hints): Break out from ...; add histograms.
9339         (clear_storage): ... this one.
9340         (set_storage_via_memset): Handle histogram.
9341         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
9342         (clear_storage_hints, clear_storage_via_libcall): Declare.
9343         (set_storage_via_setmem): Update prototype.
9344         * doc/md.texi (movmem, setmem): Document new arguments.
9345
9346         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
9347         new histograms.
9348         (stringop_block_profile): New global function.
9349         (tree_stringops_values_to_profile): Profile block size and alignment.
9350         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
9351         HIST_TYPE_IOR.
9352         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
9353         (stringop_block_profile): Declare.
9354         * builtins.c: Include value-prof.h.
9355         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
9356         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
9357         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
9358         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
9359         * profile.c (instrument_values): Add new counters.
9360         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
9361         calls.
9362         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
9363         (tree_init_edge_profiler): Build new profilers.
9364         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
9365         (pass_tree_profile): Add dump.
9366         (tree_profile_hooks): Update.
9367         * Makefile.in (LIBGCOV): Add new constants.
9368         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
9369         __gcov_ior_profiler): New.
9370         * i386.md (movmem/setmem expanders): Add new optional arguments.
9371
9372 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
9373
9374         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
9375
9376 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
9377
9378         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
9379         (tree_unswitch_single_loop): Pass eni_size_weights to
9380         tree_num_loop_insns.
9381         * tree-ssa-loop-manip.c: Include tree-inline.h.
9382         (can_unroll_loop_p): Pass eni_size_weights to
9383         tree_num_loop_insns.
9384         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
9385         Pass eni_size_weights to estimate_num_insns.
9386         * tree.h (init_inline_once): Export.
9387         * toplev.c (backend_init): Call init_inline_once.
9388         * cgraphunit.c (cgraph_process_new_functions,
9389         cgraph_analyze_function): Pass eni_inlining_weights to
9390         estimate_num_insns.
9391         * ipa-inline.c (compute_inline_parameters): Ditto.
9392         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
9393         to estimate_num_insns.
9394         (try_unroll_loop_completely): Pass eni_size_weights to
9395         tree_num_loop_insns.
9396         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
9397         ot estimate_num_insns.
9398         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
9399         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
9400         * tree-inline.c (eni_inlining_weights, eni_size_weights,
9401         eni_time_weights): New variables.
9402         (init_inline_once): Initialize them.
9403         (struct eni_data): Mew.
9404         (estimate_num_insns_1, estimate_num_insns): Use weights.
9405         * tree-inline.h (struct eni_weights_d): New.
9406         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
9407         (estimate_num_insns): Declaration changed.
9408         * cfgloop.h (tree_num_loop_insns): Declaration changed.
9409         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
9410         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
9411
9412 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
9413
9414         * tree-data-ref.c (conflict_fn): Assert that the number of affine
9415         relations in the conflict function is valid.
9416
9417 2007-01-27  Ian Lance Taylor  <iant@google.com>
9418
9419         * common.opt: Add fstrict-overflow.
9420         * opts.c (decode_options): Set flag_strict_overflow if -O2.
9421         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
9422         (TYPE_OVERFLOW_UNDEFINED): Define.
9423         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
9424         Replace all uses.
9425         * tree.h (TYPE_TRAP_SIGNED): Don't define.
9426         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
9427         (fold_negate_expr): Likewise.
9428         (make_range): Likewise.
9429         (extract_muldiv_1): Likewise.
9430         (maybe_canonicalize_comparison): Likewise.
9431         (fold_comparison): Likewise.
9432         (fold_binary): Likewise.
9433         (tree_expr_nonnegative_p): Likewise.
9434         (tree_expr_nonzero_p): Likewise.
9435         * tree-vrp.c (compare_values): Likewise.
9436         (extract_range_from_binary_expr): Likewise.
9437         (extract_range_from_unary_expr): Likewise.
9438         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
9439         Likewise.
9440         (nowrap_type_p): Likewise.
9441         * tree-scalar-evolution.c (simple_iv): Likewise.
9442         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
9443         (build_range_check): Likewise.
9444         (extract_muldiv_1): Likewise.
9445         (fold_comparison): Likewise.
9446         * tree-vrp.c (vrp_int_const_binop): Likewise.
9447         (extract_range_from_unary_expr): Likewise.
9448         * convert.c (convert_to_integer): Likewise.
9449         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
9450         (fold_comparison): Likewise.
9451         (fold_binary): Likewise.
9452         * optabs.c (optab_for_tree_code): Likewise.
9453         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
9454         * simplify-rtx.c (simplify_const_relational_operation): Check
9455         flag_strict_overflow and flag_trapv.
9456         (simplify_const_relational_operation): Likewise.
9457         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
9458         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
9459         -fstrict-overflow.
9460
9461 2007-01-27  Roger Sayle  <roger@eyesopen.com>
9462
9463         * tree.c (tree_fold_gcd): Delete.
9464         * tree.h (tree_fold_gcd): Remove prototype.
9465         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
9466         test whether one constant integer is a multiple of another.  Instead
9467         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
9468         * fold-const.c (multiple_of_p):  We've determined both TOP and
9469         BOTTOM are integer constants so we can call int_const_binop directly
9470         instead of the more generic const_binop.
9471
9472 2007-01-27  Roger Sayle  <roger@eyesopen.com>
9473
9474         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
9475         1*X check that the constant hasn't overflowed, to preserve the
9476         TREE_OVERFLOW bit.
9477         (round_up): Provide an efficient implementation when rouding-up an
9478         INTEGER_CST to a power-of-two.
9479
9480 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9481
9482         * doc/sourcebuild.texi: Add comma for clarity.
9483         * doc/extend.texi: Fix some typos.
9484         * doc/passes.texi: Likewise.
9485         * doc/cppinternals.texi: Likewise.
9486         * doc/c-tree.texi: Likewise.
9487         * doc/tree-ssa.texi: Likewise.
9488         * doc/install.texi: Likewise.
9489
9490 2007-01-27  Jan Hubicka  <jh@suse.cz>
9491
9492         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
9493         (pass_sra): Do not require alias information.
9494         * passes.c (init_optimization_passes): Add SRA
9495
9496 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
9497
9498         * tracer.c (rest_of_handle_tracer): We already cleaned
9499         up the CFG in tracer() so don't do it here again.
9500         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
9501         cleanup_cfg here, either.  And don't call renumber_insns.
9502
9503         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
9504         and BB_HEAD are in the insn stream here.  Instead make sure
9505         that BB_INSN is valid on all insns.  Also, do check here that
9506         there are no pending branch predictions...
9507         (rtl_verify_flow_info): ...instead of doing it here.  Checks
9508         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
9509         here.
9510
9511 2007-01-26  Roger Sayle  <roger@eyesopen.com>
9512
9513         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
9514         function to simplify/factorize operand order canonicalization.
9515         (ix86_fixup_binary_operands): Reorganize using the above function.
9516         (ix86_binary_operator_ok): Likewise.
9517
9518 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
9519
9520         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
9521         file scope from optimize_attrs.
9522         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
9523         up search.
9524         (optimize_attrs): Clear insn_code_values after freeing it.
9525
9526 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
9527
9528         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
9529         a parts.base assignment.
9530
9531 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
9532
9533         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
9534         (compute_subscript_distance, initialize_data_dependence_relation,
9535         finalize_ddr_dependent, analyze_ziv_subscript,
9536         analyze_siv_subscript_cst_affine,
9537         compute_overlap_steps_for_affine_univar,
9538         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
9539         analyze_siv_subscript, analyze_miv_subscript,
9540         analyze_overlapping_iterations, subscript_dependence_tester_1,
9541         compute_self_dependence, free_dependence_relation): Work
9542         with affine_fn instead of chrecs.
9543         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
9544         common_affine_function, affine_function_base,
9545         affine_function_constant_p, affine_fn_op, affine_fn_plus,
9546         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
9547         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
9548         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
9549         (all_chrecs_equal_p): Removed.
9550         * tree-data-ref.h (affine_fn, conflict_function): New types.
9551         (struct subscript): Change type of conflicting_iterations_in_a
9552         and conflicting_iterations_in_b.
9553
9554 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
9555
9556         PR other/30182
9557         * config/pa/pa.h (TARGET_HPUX_11): New.
9558         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
9559         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
9560
9561 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
9562         Richard Guenther  <rguenther@suse.de>
9563
9564         * tree-ssa-structalias.c (solve_graph): Handle case
9565         we merged the variable to another.
9566
9567 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9568
9569         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
9570         functions.
9571
9572         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
9573         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
9574
9575 2007-01-25  DJ Delorie  <dj@redhat.com>
9576
9577         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
9578         allow changes to modes which don't fit in those registers.
9579
9580         * reload1.c (choose_reload_regs): Check for invalid subregs before
9581         computing their locations, not after.
9582
9583 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
9584
9585         PR 25127
9586         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
9587         save Altivec registers in an eh_return function.
9588         (compute_vrsave_mask): Likewise.
9589         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
9590         for saving Altivec registers.
9591         (rs6000_emit_prologue): Don't allocate stack twice in
9592         eh_return function.  Correct expected value of altivec_save_offset
9593         when using save_world.  Describe save of R0 to stack when using
9594         save_world.  Describe stack pointer adjustment when using
9595         save_world.  Remove duplicated eh_return parameter register saving.
9596         Update sp_offset variable after save_world.
9597         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
9598         darwin-world.asm.
9599         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
9600         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
9601         implies Altivec.
9602
9603 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
9604
9605         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
9606
9607 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
9608
9609         PR other/30182
9610         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
9611         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
9612
9613 2007-01-25  Richard Guenther  <rguenther@suse.de>
9614
9615         * doc/invoke.texi (-Wcoverage-mismatch): Document.
9616         * common.opt (-Wcoverage-mismatch): New warning option.
9617         * coverage.c (get_coverage_counts): Ignore coverage mismatch
9618         if -Wcoverage-mismatch is given.
9619
9620 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
9621
9622         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
9623         (ipcp_driver): Change to static definition.
9624         Add dumping of the ifunctions.
9625         (constant_val_insert): Remove unused parameter. Support for SSA.
9626         (ipcp_propagate_const): Support for SSA.
9627         (ipcp_profile_bb_print): Print only analyzed nodes.
9628         (ipcp_replace_map_create): Remove support for Fortran constant
9629         for now.
9630         * ipa-prop.c (ipa_method_modify_stmt,
9631         ipa_callsite_compute_param): Support for SSA.
9632         * ipa-prop.h (ipcp_driver): Remove declaration.
9633         (IS_VALID_TREE_MAP_INDEX): Add define.
9634
9635 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
9636
9637         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
9638
9639 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9640
9641         PR middle-end/30447
9642         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
9643         constant argument to cabs and do it without checking for
9644         -funsafe-math-optimizations.
9645
9646 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
9647
9648         * c-common.h (RID_FIRST_CXX0X): New.
9649         (RID_LAST_CXX0X): New.
9650         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
9651         by -Wall.
9652         * c.opt (Wc++0x-compat): New.
9653         * doc/invoke.texi (-Wc++0x-compat): Document.
9654
9655 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9656
9657         * builtins.c (fold_builtin_carg): New.
9658         (fold_builtin_1): Use it.
9659
9660 2007-01-24  Jan Hubicka  <jh@suse.cz>
9661
9662         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
9663
9664         * ipa-inline.c (initial_insns, max_insns): Delete.
9665         (compute_max_insns): New function.
9666         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
9667         of insns as base for code growth.
9668         (cgraph_decide_inlining): Make initial_insns local; do not compute
9669         max_insns.
9670         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
9671         * doc/invoke.texi (inline-unit-growth): Update docs.
9672
9673 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
9674
9675         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
9676         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
9677         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
9678         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
9679         for CPUs that have PTA_CX16 set.
9680
9681         PR middle-end/27416
9682         * gimplify.c (omp_check_private): New function.
9683         (gimplify_scan_omp_clauses): Use it for
9684         firstprivate/lastprivate/reduction.
9685
9686         PR middle-end/30494
9687         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
9688         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
9689
9690         PR middle-end/30421
9691         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
9692         If lower_lastprivate_clauses emits some statements, append them
9693         to dlist rather than body_p and to body_p append an initializer.
9694         (lower_omp_for): Adjust caller.
9695
9696 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
9697
9698         * target.h (globalize_decl_name): New.
9699         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
9700         * output.h (default_globalize_decl_name): New.
9701         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
9702         globalize_label.
9703         (globalize_decl): Ditto.
9704         (default_globalize_decl_name): New.
9705         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
9706         (ia64_handle_version_id_attribute): New.
9707         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
9708         (ia64_asm_output_external): Use globalize_decl_name instead
9709         of globalize_label.
9710         * doc/extend.texi (version_id): New pragma.
9711         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
9712
9713 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
9714
9715         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
9716         _uleb128_t and _Unwind_SWord with _sleb128_t.
9717         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
9718         uw_frame_state_for, uw_update_context_1): Likewise.
9719         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
9720         * unwind-pe.h (read_uleb128, read_sleb128,
9721         read_encoded_value_with_base): Likewise.
9722         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
9723
9724 2007-01-24  Richard Guenther  <rguenther@suse.de>
9725
9726         * builtins.c (expand_builtin_cexpi): Get the fndecl
9727         for cexp in the correct way.
9728
9729 2007-01-24  Jan Hubicka  <jh@suse.cz>
9730
9731         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
9732
9733 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
9734
9735         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
9736         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
9737         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
9738         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
9739         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
9740         __SIZEOF_PTRDIFF_T__.
9741         * doc/cpp.texi: Documentation for the new builtin macros added.
9742
9743 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
9744
9745         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
9746         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
9747         instead of operands[2] to avoid access past the end of array.
9748
9749 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
9750
9751         * reload1.c (emit_reload_insns): Pass the reload register
9752         for a non-spill output reload through forget_old_reloads_1.
9753
9754 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
9755
9756         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
9757         _SOFT_DOUBLE if doubles use software floating-point.
9758         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
9759         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
9760         * config/rs6000/darwin-ldouble.c: Also compile functions for
9761         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
9762         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
9763         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
9764         commented-out long double override.
9765         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
9766         * config/rs6000/eabispe.h: Likewise.
9767         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
9768         long double for non-SPE.
9769         (rs6000_handle_option): Likewise.
9770         (invalid_e500_subreg): Disallow more subregs involding DImode,
9771         DFmode, TImode or TFmode.
9772         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
9773         E500 double.
9774         (legitimate_lo_sum_address_p): Also check for TFmode for E500
9775         double.
9776         (rs6000_legitimize_address): Also handle TFmode for E500 double.
9777         (rs6000_legitimize_reload_address): Also handle TFmode for E500
9778         double.
9779         (rs6000_legitimate_address): Also check for TFmode for E500
9780         double.
9781         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
9782         (spe_build_register_parallel): Handle TFmode and TCmode.
9783         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
9784         double.
9785         (function_arg): Handle TFmode and TCmode for E500 double.
9786         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
9787         in general.
9788         (print_operand): Handle TFmode and TImode for %y.
9789         (rs6000_generate_compare): Handle TFmode comparisons for E500
9790         double.
9791         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
9792         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
9793         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
9794         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
9795         TFmode for E500 double.
9796         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
9797         (floatsidf2): Enable for E500 double.
9798         (movtf_softfloat): Use rs6000_nonimmediate_operand.
9799         (extenddftf2): Change to extenddftf2_fprs.
9800         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
9801         depending on TARGET_E500_DOUBLE.
9802         (extendsftf2): Enable for E500 double.
9803         (trunctfdf2): Enable for E500 double.
9804         (trunctfsf2): Change to trunctfsf2_fprs.
9805         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
9806         depending on TARGET_E500_DOUBLE.
9807         (floatsitf2): Enable for E500 double.
9808         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
9809         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
9810         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
9811         (negtf2): Change to negtf2_internal.
9812         (negtf2): New expander.
9813         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
9814         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
9815         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
9816         (movdi_internal32): Use rs6000_nonimmediate_operand.
9817         (unnamed splitter): Likewise.
9818         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
9819         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
9820         (SPE64TF, DITI): New mode macros.
9821         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
9822         modes.
9823         (frob_tf_ti): New.
9824         (frob_<mode>_di_2): New.
9825         (frob_tf_di_8_2): New.
9826         (frob_di_df): Change to frob_di_<mode>; allow more modes.
9827         (frob_ti_tf): New.
9828         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
9829         more modes.
9830         (frob_ti_<mode>_8_2): New.
9831         (frob_ti_tf_2): New.
9832         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
9833         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
9834         TFmode.
9835         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
9836         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
9837         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
9838         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
9839         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
9840         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
9841         tsttflt_gp): New.
9842
9843 2007-01-23  Ian Lance Taylor  <iant@google.com>
9844
9845         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
9846         insn-*.o first.
9847         (OBJS-archive): Reformat, alphabetize.
9848         (OBJS): Change out_object_file to OBJS-md.
9849
9850 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
9851
9852         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
9853         JUMP_P and CALL_P predicates where applicable.
9854         * config/i386/i386.c: Ditto.
9855         * config/i386/i386.md: Ditto.
9856         * config/i386/mmx.md: Ditto.
9857         * config/i386/predicates.md: Ditto.
9858
9859 2007-01-22  Andreas Schwab  <schwab@suse.de>
9860
9861         * config/m68k/m68k.h: Fix comment.
9862
9863 2007-01-22  Jan Hubicka  <jh@suse.cz>
9864
9865         * passes.c (init_optimization_passes): Do not rerun
9866         pass_early_warn_uninitialized.
9867
9868 2007-01-22  Richard Guenther  <rguenther@suse.de>
9869
9870         PR tree-optimization/30038
9871         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
9872         function.
9873         (execute_cse_sincos_1): Likewise.
9874         (execute_cse_sincos): Likewise.
9875         (gate_cse_sincos): Likewise.
9876         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
9877         the cexpi() canonicalization of sincos().
9878         * tree-pass.h (pass_cse_sincos): Declare.
9879         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
9880
9881 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
9882
9883         PR rtl-optimization/29329
9884         * combine.c (replaced_rhs_insn): Rename to i2mod.
9885         (replaced_rhs_value): Rename to i2mod_new_rhs.
9886         (i2mod_old_rhs): New global variable.
9887         (combine_instructions): Adjust for above change.  Save a copy of
9888         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
9889         note are substituted in the second instruction.
9890         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
9891         ditch the note if it pertains to the second eliminated register
9892         and this register is mentioned in i2mod_old_rhs.
9893
9894         Revert:
9895         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
9896
9897         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
9898         the insn to which the note was originally attached.
9899
9900 2007-01-21  Jan Hubicka  <jh@suse.cz>
9901
9902         * ipa-inline.c (inlining_mode): Comment, move up.
9903         (cgraph_decide_inlining_incrementally): Do not perform inlining
9904         itself; fix handling of flattening of self recursive functions.
9905         (cgraph_find_cycles): Remove.
9906         (cgraph_flatten_node): Remove.
9907         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
9908         (try_inline): New function.
9909         (cgraph_early_inlining): Update call of
9910         cgraph_decide_inlining_incrementally.  Apply inlining here.
9911         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
9912
9913 2007-01-21  Dirk Mueller  <dmueller@suse.de>
9914
9915         PR bootstrap/30511
9916         * tree-vrp.c (check_array_bounds): do not warn
9917         about ADDR_EXPR's of ARRAY_REF's which are immediately
9918         used in binary expressions.
9919
9920 2007-01-21  Ira Rosen  <irar@il.ibm.com>
9921
9922         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
9923         read_write_dep and macros for its access.
9924         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
9925         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
9926         argument, call vect_check_interleaving for every independent pair of
9927         data-refs. Mark loads that access the same memory location as a store
9928         in the loop.
9929         (vect_check_dependences): Remove.
9930         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
9931         call, fix the call to vect_analyze_data_ref_dependence.
9932         (vect_analyze_data_ref_access): For statements that access the same
9933         data-ref, check that they are not stores; for loads, check that there
9934         is no store that access the same location.
9935
9936 2007-01-20  Roger Sayle  <roger@eyesopen.com>
9937             Joseph Myers  <joseph@codesourcery.com>
9938
9939         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
9940         (-fdump-rtl-stack): Likewise.
9941         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
9942         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
9943         (-mpt-fixed): Use @minus{} for minus sign.
9944         (Using Precompiled Headers): Fix under/overfull hbox.
9945
9946 2007-01-20  Jan Hubicka  <jh@suse.cz>
9947
9948         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
9949         place within annotation.
9950
9951 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9952
9953         * pa.c (output_move_double): Change array size of xoperands to 4.
9954
9955 2007-01-20  Jan Hubicka  <jh@suse.cz>
9956
9957         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
9958         as temporary.
9959
9960 2007-01-19  Ian Lance Taylor  <iant@google.com>
9961
9962         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
9963         constant to unsigned HOST_WIDE_INT before negating.
9964
9965 2007-01-19  Ian Lance Taylor  <iant@google.com>
9966
9967         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
9968         to unsigned.
9969         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
9970         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
9971         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
9972         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
9973         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
9974         (realloc_vdef, realloc_vuse): Change second parameter to
9975         unsigned.
9976         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
9977         fields to unsigned.
9978         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
9979         unsigned. Change x and lim locals to unsigned.
9980         (realloc_vdef, realloc_vuse): Change num_elem parameter to
9981         unsigned.
9982         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
9983         (copy_virtual_operands): Change i and n locals to unsigned.
9984
9985 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9986
9987         PR middle-end/29335
9988         * builtins.c (fold_builtin_1): Handle builtin fdim.
9989
9990 2007-01-20  Jan Hubicka  <jh@suse.cz>
9991
9992         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
9993         * tree-ssa-structalias.c (compute_points_to_sets): Do call
9994         init_alias_heapvars.
9995         (init_alias_heapvars): Initialize only when not already initialized.
9996         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
9997
9998 2007-01-19  Roger Sayle  <roger@eyesopen.com>
9999
10000         * common.opt (fsigned-zeros): New command line option.
10001         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
10002         of flag_unsafe_math_optimizations.
10003         * opts.c (set_fast_math_flags): The -ffast-math command line option
10004         implies -fno-signed-zeros.
10005         (fast_math_flags_set_p): Likewise.
10006
10007         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
10008         the documentation of -ffast-math appropriately.  Wrap long lines.
10009
10010 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
10011
10012         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
10013         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
10014
10015 2007-01-19  Tomas Bily  <tbily@suse.cz>
10016
10017         * cgraphunit.c (cgraph_finalize_function): Updating of pid
10018         * tree-profile.c:
10019         (tree_init_ic_make_global_vars): New function
10020         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
10021         (tree_gen_ic_profiler): New function
10022         (tree_gen_ic_func_profiler): New function
10023         (tree_profiling): Added calling of tree_gen_ic_func_profiler
10024         (tree_profile_hooks): Added hook for indirec/virtual calls
10025         * value-prof.c (tree_find_values_to_profile): New case for
10026         indirect calls
10027         (tree_values_to_profile): Call for determining indirect/virtual
10028         counters
10029         (tree_indirect_call_to_profile): New function
10030         (tree_ic_transform): New function
10031         (tree_ic): New function
10032         (find_func_by_pid): New function
10033         (init_pid_map): New function
10034         (tree_value_profile_transformations): Added check for
10035         indirect/virtual call transformation
10036         * value-prof.h (enum hist_type): New counter type for
10037         indirect/virtual calls
10038         (profile_hooks): Added new hook for profiling indirect/virtual
10039         calls
10040         * profile.c (instrument_values): New case for indirect/virtual
10041         call added
10042         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
10043         (GCOV_COUNTER_V_INDIR): New counter type
10044         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
10045         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
10046         call added
10047         * cgraph.c: Definition of cgraph_max_pid
10048         (cgraph_create_node): Default init of pid attribute
10049         * cgraph.h: Declaration of cgraph_max_pid
10050         (struct cgraph_node): Added pid attribute
10051         * libgcov.c (__gcov_indirect_call_profiler): New function
10052         (__gcov_one_value_profiler_body): New function
10053         (__gcov_one_value_profiler): Body was moved to
10054         __gcov_one_value_profiler_body and calls it
10055
10056 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
10057
10058         * doc/gty.texi (Options): Document the mark_hook option to GTY.
10059         * gengtype.c (write_types_data, write_func_for_structure,
10060         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
10061         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
10062         (walk_type, write_func_for_structure): Generate the mark_hook if
10063         needed.
10064
10065 2007-01-19  Jan Hubicka  <jh@suse.cz>
10066
10067         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
10068         'early' argument take inlining mode argument specifying whether to
10069         inline for size/speeed or all functions; add support for flattening;
10070         improve dumpting.
10071         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
10072
10073 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10074
10075         PR c++/17947
10076         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
10077         the name of the declared identifier.
10078
10079 2007-01-19  Dirk Mueller  <dmueller@suse.de>
10080
10081         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
10082         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
10083         duplicate evaluation.
10084
10085 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
10086
10087         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
10088         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
10089         to XFMode, use acosxf2 and truncate result to requested mode.
10090         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
10091         (asin<mode>2): Similarly, with asin expanders.
10092         (*fscalexf4_i387): Rename from *fscalexf4.
10093         (expNcorexf3): New expander.
10094         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
10095         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
10096         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
10097         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
10098         patterns for SSE math.
10099         (exp10<mode>2): Similarly, with exp10 expanders.
10100         (exp2<mode>2): Similarly, with exp2 expanders.
10101         (expm1<mode>2): Similarly, with expm1 expanders.
10102         (ldexp<mode>3): Similarly, with ldexp expanders.
10103         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
10104         Use gen_truncxf<mode>2_i387_noop to truncate result.
10105
10106 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10107
10108         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
10109         for ColdFire targets.
10110
10111 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
10112             Richard Sandiford  <richard@codesourcery.com>
10113
10114         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
10115         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
10116         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
10117         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
10118         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
10119         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
10120
10121 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10122
10123         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
10124         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
10125         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
10126         (*adddi_dilshr32_cf): New pattern.
10127         (adddi3, subdi3): Remove first alternatives.
10128
10129 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10130
10131         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
10132         implemented using move.l, do not use its cc result for floating-point
10133         comparisons.
10134
10135 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10136
10137         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
10138         from accepting 's' constraints if flag_pic.
10139
10140 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10141
10142         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
10143         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
10144         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
10145         condition from TARGET_68881 to TARGET_HARD_FLOAT.
10146
10147 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
10148
10149         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
10150         ColdFire alternatives.
10151         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
10152         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
10153         architectures that support ff1 instruction.
10154
10155 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10156             Julian Brown  <julian@codesourcery.com>
10157
10158         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
10159         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
10160         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
10161         Add commentary.
10162
10163 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10164
10165         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
10166         and return a bool.
10167         (output_move_const_into_data_reg, output_move_simode_const): Delete.
10168         * config/m68k/m68k.c (const_method, const_int_cost): Take a
10169         HOST_WIDE_INT instead of an rtx.
10170         (m68k_rtx_costs): Update call accordingly.
10171         (output_move_const_into_data_reg): Likewise.  Fix formatting.
10172         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
10173         Return a bool.
10174         (output_move_simode_const): Update calls after above changes.
10175         Rework to use automatic variables and predicates like MEM_P.
10176         * config/m68k/m68k.md (pushexthisi_const): Update call to
10177         valid_mov3q_const.
10178
10179 2007-01-19  Dirk Mueller  <dmueller@suse.de>
10180
10181         * tree-ssa-alias.c (perform_var_substitution): Fix typo
10182         in dump_flags test.
10183
10184 2007-01-19  Richard Guenther  <rguenther@suse.de>
10185
10186         * builtins.c (expand_builtin_cexpi): Fall back to expanding
10187         via cexp in case sincos is not available.
10188
10189 2007-01-19  Richard Guenther  <rguenther@suse.de>
10190
10191         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
10192         * defaults.h (TARGET_HAS_SINCOS): Default to off.
10193         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
10194         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
10195         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
10196         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
10197         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
10198         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
10199
10200 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
10201
10202         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
10203         New insn patterns.
10204         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
10205         (atan2xf3): Directly generate RTL pattern.
10206         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
10207         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
10208         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10209         disable patterns for SSE math.
10210         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
10211         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
10212         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10213         disable patterns for SSE math.
10214
10215 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
10216
10217         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
10218
10219 2007-01-18  Roger Sayle  <roger@eyesopen.com>
10220
10221         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
10222         VIEW_CONVERT_EXPR to the same type as it's operand.
10223
10224 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
10225
10226         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
10227         configured for long double 128.
10228
10229 2007-01-18  Mike Stump  <mrs@apple.com>
10230
10231         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
10232         error.
10233
10234 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
10235
10236         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
10237         type correct.
10238
10239 2007-01-18  Jan Hubicka  <jh@suse.cz>
10240
10241         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
10242         greater than NUM_VOP_FREE_BUCKETS.
10243
10244 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
10245
10246         * tree-ssa-structalias.c: Update comments.
10247         (ptabitmap_obstack): Removed.
10248         (pta_obstack): New.
10249         (oldpta_obstack): Ditto.
10250         (stats): Add a few members.
10251         (struct variable_info): Remove node, complex, address_taken, and
10252         indirect_target members. Add oldsolution member.
10253         (new_var_info): Do not initialize removed members.
10254         (constraint_expr_type): Remove INCLUDES.
10255         (constraint_graph): Add size, implicit_preds, rep,
10256         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
10257         (FIRST_REF_NODE): New macro.
10258         (LAST_REF_NODE): Ditto.
10259         (FIRST_ADDR_NODE): Ditto.
10260         (find): New function.
10261         (unite): Ditto.
10262         (dump_constraint): Do not handle INCLUDES.
10263         (insert_into_complex): Do not insert duplicate constraints.
10264         (condense_varmap_nodes): Renamed and rewritten into ...
10265         (merge_node_constraints): This. Also fix bug in handling of
10266         offseted copy constraints.
10267         (clear_edges_for_node): No longer need to deal with preds at all,
10268         or removing associated preds/succs.
10269         (merge_graph_nodes): Deal with indirect_cycles.
10270         Don't deal with predecessors.
10271         (add_implicit_graph_edge): New function.
10272         (add_pred_graph_edge): Ditto.
10273         (add_graph_edge): Don't deal with predecessors.
10274         (build_constraint_graph): Removed.
10275         (build_pred_graph): New function.
10276         (build_succ_graph): Ditto.
10277         (struct scc_info): Removed in_component. Added roots, dfs, and
10278         node_mapping. Remove visited_index, unification_queue.
10279         (scc_visit): Deal with union-find we do now.
10280         Deal with cycles with REF nodes.
10281         (collapse_nodes): Renamed and rewritten to ...
10282         (unify_nodes): This.
10283         (process_unification_queue): Removed.
10284         (topo_visit): Cleanup
10285         (do_da_constraint): Use find.
10286         (do_sd_constraint): Ditto.
10287         (do_ds_constraint): Ditto.
10288         (do_complex_constraint): Ditto.
10289         (init_scc_info): Update for removed and added members.
10290         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
10291         (find_indirect_cycles): This.
10292         (equivalence_class): New variable.
10293         (label_visit): New function.
10294         (perform_variable_substitution): Rewritten.
10295         (free_var_substitution_info): New function.
10296         (find_equivalent_node): Ditto.
10297         (move_complex_constraints): Ditto.
10298         (eliminate_indirect_cycles): Ditto.
10299         (solve_graph): Only propagate changed bits.
10300         Use indirect cycle elimination.
10301         Use find.
10302         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
10303         (tree_id_eq): Renamed to ...
10304         (tree_vi_eq): This. Update for member change
10305         (insert_id_for_tree): Renamed and rewritten to ...
10306         (insert_vi_for_tree): This.
10307         (lookup_id_for_tree): Renamed and rewritten to ...
10308         (lookup_vi_for_tree): This.
10309         (get_id_for_tree): Renamed and rewritten to ...
10310         (get_vi_for_tree): Ditto.
10311         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
10312         (process_constraint): Don't handle INCLUDES.
10313         Remove special ADDRESSOF case.
10314         (find_func_aliases): Rewrite to use vi functions instead of id
10315         ones.
10316         (create_function_info_for): Ditto.
10317         (create_variable_info_for): Ditto.
10318         (intra_create_variable_infos): Ditto.
10319         (merge_smts_into): Ditto.
10320         (find_what_p_points_to): Ditto.
10321         (init_base_vars): Ditto.
10322         (init_alias_vars): Ditto.
10323         (remove_preds_and_fake_succs): New function.
10324         (dump_sa_points_to_info): Dump new stats.
10325         (dump_solution_for_var): Use find.
10326         (set_used_smts): Fix formatting.
10327         (compute_points_to_sets): Updated for new functions.
10328         (ipa_pta_execute): Ditto.
10329
10330 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10331             Richard Sandiford  <richard@codesourcery.com>
10332
10333         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
10334         parallels.
10335         * calls.c (expand_call): If the return value is a PARALLEL,
10336         extract its first member.
10337         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
10338         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
10339         use FUNCTION_EXTRA_EPILOGUE.
10340         (m68k_function_value): Return a PARALLEL if the return value
10341         is of a pointer type.
10342         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
10343         (FUNCTION_EXTRA_EPILOGUE): Remove.
10344         * config/m68k/m68k.md (D0_REG): New constant.
10345
10346 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10347
10348         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
10349         output a NOP for empty epilogues.
10350
10351 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10352
10353         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
10354         before function.  Extend register save check to include all
10355         registers, not just integer ones.
10356
10357 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10358
10359         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
10360         (m68k_use_return_insn): ...this.
10361         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
10362         * config/m68k/m68k.c (use_return_insn): Rename to...
10363         (m68k_use_return_insn): ...this.
10364         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
10365         of USE_RETURN_INSN.
10366
10367 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10368
10369         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
10370         nearest even, fix denormal rounding overflow.
10371
10372 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10373
10374         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
10375         f%$smove and f%$move.
10376         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
10377         (extendsfdf2_cf): Use fdmove instead of f%&move.
10378         (truncdfsf2_cf): Use fsmove instead of f%$smove.
10379         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
10380
10381 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10382
10383         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
10384         GPR<-GPR moves.
10385
10386 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10387
10388         * real.h (real_format): Add a canonical_nan_lsbs_set field.
10389         (coldfire_single_format): Declare.
10390         (coldfire_double_format): Likewise.
10391         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
10392         of qnan_msb_set to determine the lower bits of a canonical
10393         NaN significand.
10394         (encode_ieee_double): Likewise.
10395         (encode_ieee_quad): Likewise.
10396         (ieee_single_format): Initialize canonical_nan_lsbs_set.
10397         (mips_single_format): Likewise.
10398         (ieee_double_format): Likewise.
10399         (mips_double_format): Likewise.
10400         (ieee_extended_motorola_format): Likewise.
10401         (ieee_extended_intel_96_format): Likewise.
10402         (ieee_extended_intel_128_format): Likewise.
10403         (ieee_extended_intel_96_round_53_format): Likewise.
10404         (ibm_extended_format): Likewise.
10405         (mips_extended_format): Likewise.
10406         (ieee_quad_format): Likewise.
10407         (mips_quad_format): Likewise.
10408         (vax_f_format): Likewise.
10409         (vax_d_format): Likewise.
10410         (vax_g_format): Likewise.
10411         (i370_single_format): Likewise.
10412         (i370_double_format): Likewise.
10413         (decimal_single_format): Likewise.
10414         (decimal_double_format): Likewise.
10415         (decimal_quad_format): Likewise.
10416         (c4x_single_format): Likewise.
10417         (c4x_extended_format): Likewise.
10418         (real_internal_format): Likewise.
10419         (coldfire_single_format): New real_format.
10420         (coldfire_double_format): Likewise.
10421         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
10422         canonical_nan_lsbs_set.
10423         (pdp11_d_format): Likewise.
10424         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
10425         if TARGET_COLDFIRE_CPU.
10426
10427 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10428
10429         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
10430         (output_call, m68k_legitimize_call_address): Declare.
10431         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
10432         parenthesees.  Add support for a 'W' constraint.
10433         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
10434         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
10435         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
10436         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
10437         variables.
10438         (override_options): Initialize them.  Do not set flag_no_function_cse
10439         for TARGET_ID_SHARED_LIBRARY.
10440         (m68k_output_pic_call): Delete.
10441         (m68k_legitimize_call_address): New function.
10442         (print_operand): Remove the %o prefix.  Handle the %p prefix.
10443         (output_call): New function.
10444         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
10445         target address from the GOT if symbolic jumps are not allowed.
10446         * config/m68k/m68k.md (call, general_operand): Do not set
10447         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
10448         Merge separate flag_pic and !flag_pic define_insns into...
10449         (*call, *call_value): ...these new patterns.  Match the address
10450         rather than the containing MEM and require it to be a call_operand.
10451         Use output_call to generate the asm template.
10452         * config/m68k/predicates.md (const_call_operand): New predicate.
10453         (call_operand): Likewise.
10454
10455 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10456
10457         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
10458         (STACK_GROWS_DOWNWARD): Define to 1.
10459         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
10460         comments, emphasizing that these values are only defaults.
10461         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
10462         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
10463
10464 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10465
10466         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
10467
10468 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10469             Richard Sandiford  <richard@codesourcery.com>
10470
10471         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
10472         (FP_REGNO_P): New macros.
10473         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
10474         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
10475         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
10476         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
10477
10478 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10479
10480         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
10481         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
10482         to $tmake_file.
10483         * config/m68k/t-floatlib: New file, extracting common code from...
10484         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
10485         * config/m68k/t-uclinux: Here.
10486         * config/m68k/fpgnulib.c: Do not compile extendeed precision
10487         routines on ColdFire targets.
10488
10489 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10490
10491         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
10492         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
10493         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
10494         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
10495         explicitly set MOTOROLA to 1.
10496         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
10497
10498 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10499             Nathan Sidwell  <nathan@codesourcery.com>
10500
10501         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
10502         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
10503         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
10504         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
10505         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
10506         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
10507         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
10508         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
10509         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
10510         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
10511         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
10512         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
10513         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
10514         (DBX_REGISTER_NUMBER): Delete.
10515         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
10516         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
10517         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
10518
10519 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10520
10521         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
10522         * config/flat.h: New file.
10523         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
10524         OBJECT_FORMAT_FLAT.
10525         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
10526         indirect references for -msep-data or -mid-shared-library.
10527         Do not use PC-relative code addresses either.
10528         * config/m68k/m68k.c (override_options): Restrict -fPIC error
10529         to -mpcrel.
10530         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
10531         for shared libraries and crt1.o for executables.  Use crti.o and
10532         crtbegin.o.
10533         (ENDFILE_SPEC): Use crtend.o and crtn.o.
10534         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
10535         Do not add -elf2flt or -shared-lib-id options here.
10536         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
10537         Pass -shared-lib-id if -mid-shared-library, taking the library
10538         identifier from -mshared-library-id if given, otherwise
10539         defaulting to 0.
10540         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
10541         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
10542         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
10543         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
10544         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
10545         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
10546         and crtend.o.
10547         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
10548         jump sequence for ISA A and ISA A+.
10549         (PICJUMP): Likewise.
10550
10551 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10552
10553         * config.gcc (m68k-*-uclinux*): Base the port on the common
10554         and m68k GNU/Linux files rather than on the generic ELF ones.
10555         * config/m68k/uclinux.h (TARGET_VERSION): Override.
10556         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
10557
10558 2007-01-18  Julian Brown  <julian@codesourcery.com>
10559             Richard Sandiford  <richard@codesourcery.com>
10560
10561         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
10562         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
10563         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
10564         before redefining.
10565         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
10566         80 unconditionally.
10567         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
10568
10569 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10570
10571         * doc/install.texi: Document m68k-uclinuxoldabi.
10572         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
10573         * config/m68k/uclinux-oldabi.h: New file, copied from
10574         config/m68k/uclinux.h.
10575
10576 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
10577
10578         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
10579         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
10580         (m32r_compute_frame_size): Use unsigned for regno.
10581         (m32r_reload_lr): Use gen_frame_mem.
10582         (pop): New.
10583         (m32r_output_function_epilogue): Don't output the function epilogue
10584         textually here.
10585         (m32r_expand_epilogue): New.
10586         (direct_return): Return false if the function has the interrupt
10587         attribute.
10588         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
10589         * config/m32r/m32r.md (epilogue): New expander.
10590         (return_lr, return_rte): New insns.
10591         (return): Make it expander.
10592         (return_normal): New expander.
10593
10594 2007-01-18  Josh Conner  <jconner@apple.com>
10595
10596         PR target/30485
10597         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
10598         support for UNLE, UNLT, UNGE, and UNGT.
10599
10600 2007-01-18  Jan Hubicka  <jh@suse.cz>
10601
10602         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
10603         * tree-tailcall (add_virtual_phis): Likewise.
10604         (optimize_tail_call): Return TODOs.
10605         (execute_tail_calls): Return TODOs.
10606         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
10607         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
10608         changed.
10609         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
10610         Cleanup cfg using TODO.
10611         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
10612         * passes.c (execute_function_todo): When cleanup did something, remove
10613         unused locals.
10614         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
10615         (make_edges): Don't cleanup_cfg.
10616
10617 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
10618
10619         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
10620         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
10621         operate on the top of stack.
10622         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
10623         register handling of instructions that output to the second
10624         stack slot.
10625         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
10626         (move_for_stack_reg): Special-case check for dead destination
10627         stack slot for constant load of 1.0 inside UNSPEC_TAN.
10628
10629         * config/i386/i386.md (UNSPEC_TAN): New constant.
10630         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
10631         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
10632         to correctly model move of constant 1.0 to top stack slot.
10633         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
10634         (unnamed peephole2 pattern): Remove corresponding peephole2
10635         pattern that optimizes tan insn and loading of constant 1.0.
10636         (tanxf2): Use fptanxf4_i387.
10637         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
10638         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
10639         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10640         disable patterns for SSE math.
10641         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
10642         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
10643
10644 2007-01-18  Dirk Mueller  <dmueller@suse.de>
10645             Richard Guenther <rguenther@suse.de>
10646
10647         PR diagnostic/8268
10648         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
10649         * common.opt (Warray-bounds): Add new warning option.
10650         * c-opts.c (c_common_handle_option): Define -Warray-bounds
10651         if -Wall is given.
10652         * Makefile.in: make tree-vrp.o depend on toplev.h
10653         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
10654         is enabled.
10655         (check_array_refs, check_array_bounds, check_array_ref): New.
10656
10657 2007-01-18  Jan Hubicka  <jh@suse.cz>
10658
10659         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
10660         (execute_ssa_ccp): Return flags conditionally.
10661         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
10662         changed.
10663         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
10664
10665 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
10666
10667         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
10668         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
10669
10670         * Makefile.c (GTFILES): Add cfglayout.h.
10671         * gengtype.c (open_base_files): Likewise.
10672         * cfglayout.c (cfg_layout_function_footer,
10673         cfg_layout_function_header) Reindent to make gengtype happy.
10674         * cfglayout.h (cfg_layout_function_footer,
10675         cfg_layout_function_header): Add GTY(()) marker.
10676
10677         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
10678
10679 2007-01-18  Ben Elliston  <bje@au.ibm.com>
10680
10681         * genautomata.c (write_automata): Include xstrerror output in the
10682         error message if writing the DFA description file fails.
10683
10684 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
10685
10686         * config/mips/mips-protos.h (mips_output_external): Make it
10687         return void.
10688         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
10689         * config/mips/mips.c (irix_output_external_libcall): Likewise.
10690         (extern_list): Likewise.
10691         (extern_head): Likewise.
10692         (TARGET_ASM_FILE_END): Likewise.
10693         (mips_file_end): Likewise.
10694         (mips_output_external): Rewritten.
10695
10696 2007-01-18  Ben Elliston  <bje@au.ibm.com>
10697
10698         * genpreds.c (write_insn_preds_c): Only write out the function
10699         body for regclass_for_constraint if we have register constraints.
10700
10701 2007-01-17  Tom Tromey  <tromey@redhat.com>
10702
10703         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
10704         * doc/install.texi (Testing): Use sourceware.org.
10705         (Binaries): Likewise.
10706         (Specific): Likewise.
10707         * doc/contrib.texi (Contributors): Use sourceware.org.
10708
10709 2007-01-17  Anatoly Sokolov <aesok@post.ru>
10710
10711         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
10712         (AVR_ENHANCED): Rename to ...
10713         (AVR_HAVE_MUL): ... new.
10714         (avr_enhanced_p): Rename to ...
10715         (avr_have_mul_p): ... new.
10716         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
10717         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
10718         * config/avr/avr.c (avr_enhanced_p): Rename to ...
10719         (avr_have_mul_p): ... new.
10720         (base_arch_s): Rename 'enhanced' to 'have_mul'.
10721         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
10722         'avr_enhanced_p' and 'enhanced'.
10723         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
10724         AVR_HAVE_MUL instead of AVR_ENHANCED.
10725         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
10726         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
10727         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
10728         instead of AVR_ENHANCED.
10729         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
10730         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
10731         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
10732
10733 2007-01-17  Ian Lance Taylor  <iant@google.com>
10734
10735         * vec.h (VEC_reserve_exact): Define.
10736         (vec_gc_p_reserve_exact): Declare.
10737         (vec_gc_o_reserve_exact): Declare.
10738         (vec_heap_p_reserve_exact): Declare.
10739         (vec_heap_o_reserve_exact): Declare.
10740         (VEC_OP (T,A,reserve_exact)): New static inline function, three
10741         versions.
10742         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
10743         negative parameter.
10744         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
10745         (VEC_OP (T,A,copy)) [all versions]: Likewise.
10746         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
10747         * vec.c (calculate_allocation): Add exact parameter.  Change all
10748         callers.
10749         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
10750         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
10751         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
10752         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
10753         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
10754         (vec_heap_p_reserve_exact): New function.
10755         (vec_heap_o_reserve_exact): New function.
10756
10757 2007-01-17  Jan Hubicka  <jh@suse.cz>
10758
10759         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
10760
10761 2007-01-17  Eric Christopher  <echristo@apple.com>
10762
10763         * config.gcc: Support core2 processor.
10764
10765 2007-01-16  Jan Hubicka  <jh@suse.cz>
10766
10767         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
10768         the names, just unlink the chain so we don't crash on dangling pointers
10769         to dead SSA names.
10770
10771 2007-01-16  Jan Hubicka  <jh@suse.cz>
10772
10773         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
10774         * tree-pass.h: Reorder to make IPA passes appear toegher.
10775         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
10776         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
10777         parameters, do not call early inliner.
10778         * ipa-inline.c: Update comments.  Include tree-flow.h
10779         (cgraph_decide_inlining): Do not compute inlining parameters.
10780         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
10781         be called with function context set up.
10782         (pass_ipa_inline): Remove unreachable functions before pass.
10783         (cgraph_early_inlining): Simplify assuming to be called from the
10784         PM as local pass.
10785         (pass_early_inline): New pass.
10786         (cgraph_gate_ipa_early_inlining): New gate.
10787         (pass_ipa_early_inline): Turn into simple wrapper.
10788         (compute_inline_parameters): New function.
10789         (gate_inline_passes): New gate.
10790         (pass_inline_parameters): New pass.
10791         (apply_inline): Move here from tree-optimize.c
10792         (pass_apply_inline): New pass.
10793         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
10794         transforming.
10795         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
10796         doing them by hand.
10797         (tree_function_versioning): Do not allocate dummy struct function.
10798         * tree-inline.h (optimize_inline_calls): Update prototype.
10799         * tree-optimize.c (execute_fixup_cfg): Export.
10800         (pass_fixup_cfg): Remove
10801         (tree_rest_of_compilation): Do not apply inlines.
10802         * tree-flow.h (execute_fixup_cfg): Declare.
10803         * Makefile.in (gt-passes.c): New.
10804         * passes.c: Include gt-passes.h
10805         (init_optimization_passes): New passes.
10806         (nnodes, order): New static vars.
10807         (do_per_function_toporder): New function.
10808         (execute_one_pass): Dump current pass here.
10809         (execute_ipa_pass_list): Don't dump current pass here.
10810
10811 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
10812
10813         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
10814         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
10815
10816 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
10817
10818         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
10819         (strong_alias): Define.
10820         (__gcc_qmul): Provide non-FMA for soft-float.
10821         (__gcc_qdiv): Same.
10822         (__gcc_qneg): New.
10823         (__gcc_qeq): New.
10824         (__gcc_qle): New.
10825         (__gcc_qge): New.
10826         (__gcc_qunord): New.
10827         (__gcc_stoq): New.
10828         (__gcc_dtoq): New.
10829         (__gcc_qtos): New.
10830         (__gcc_qtod): New.
10831         (__gcc_qtoi): New.
10832         (__gcc_qtou): New.
10833         (__gcc_itoq): New.
10834         (__gcc_utoq): New.
10835         (fmsub): New.
10836         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
10837         soft-float functions.
10838         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
10839         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
10840         about long double soft float.
10841
10842 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
10843             Tehila Meyzels  <tehila@il.ibm.com>
10844
10845         * tree-vectorizer.h (is_pattern_stmt_p): New.
10846         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
10847         formatting (tabs instead of spaces). Cleanup and clarify setting
10848         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
10849         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
10850         (vectorizable_type_demotion): Check that types are integral.
10851         (vectorizable_type_promotion): Likewise.
10852         (vectorizable_store): Fix typo.  Eliminate new-line at end of
10853         comments.
10854
10855 2007-01-16  Jan Hubicka  <jh@suse.cz>
10856
10857         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
10858         cgraph edges too.
10859
10860 2007-01-15  Eric Christopher  <echristo@apple.com>
10861
10862         * ifcvt.c: Include vec.h, vecprim.h.
10863         (check_cond_move_block): New argument regs.
10864         Reorganize. Add registers used to regs.
10865         (cond_move_process_if_block): Use regs set above as
10866         loop bounds.
10867
10868 2007-01-15  Eric Christopher  <echristo@apple.com>
10869
10870         * config/darwin.h: Update copyright.
10871         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
10872         (LINK_COMMAND_SPEC): Add -u.
10873         (LINK_SPEC): Fix umbrella for above.
10874
10875 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
10876
10877         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
10878         glibc CVS.
10879
10880 2007-01-15  Tom Tromey  <tromey@redhat.com>
10881
10882         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
10883         * doc/install.texi (Testing): Don't mention jacks.
10884         (Configuration): Document --enable-java-maintainer-mode.  Move
10885         --with-java-home to libgcj-specific section.  Document
10886         --with-ecj-jar.
10887         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
10888
10889 2007-01-15  Jan Hubicka  <jh@suse.cz>
10890
10891         * tree-ssa-dce.c (DCE_TODOs): New.
10892         (propagate_necessity): Return if something changed.
10893         (eliminate_unnecessary_stmts): Likewise.
10894         (perform_tree_ssa_dce): Return TODO flags when needed.
10895         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
10896
10897 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
10898
10899         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
10900         (fyl2x_extend<mode>xf3_i387): New insn pattern.
10901         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
10902         patterns using X87MODEF12 mode macro.  Extend operand 1
10903         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
10904         (log10<mode>2): Ditto.
10905         (log2<mode>2): Ditto.
10906         (log1p<mode>2): Ditto.
10907         (logb<mode>2): Ditto.
10908         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
10909         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
10910         (*fxtractxf3_i387): Rename from *fxtractxf3.
10911         (fxtract_extend<mode>xf3_i387): New insn pattern.
10912         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
10913         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
10914         and gen_fyl2xxf3_i387().
10915
10916 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
10917
10918         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
10919         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
10920         get_loop_exit_edges.  Changed return type to bool.
10921         * cfgloop.h (fix_loop_placement): Declaration removed.
10922
10923 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
10924
10925         * param.h (MIN_VECT_LOOP_BOUND): New.
10926         * params.def (MIN_VECT_LOOP_BOUND): New.
10927         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
10928         argument - minimum threshold for number of iterations.
10929         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
10930         argument to declaration.
10931         * tree-vect-analyze.c (vect_analyze_operations): Check value of
10932         MIN_VECT_LOOP_BOUND.
10933         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
10934         slpeel_tree_peel_loop_to_edge with additional argument.
10935         (vect_do_peeling_for_alignment): Likewise.
10936         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
10937
10938 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
10939
10940         PR target/30413
10941         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
10942         operands of size 1.
10943
10944 2007-01-14  Jan Hubicka  <jh@suse.cz>
10945
10946         * tree-dfa.c (remove_referenced_var): New function.
10947         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
10948         prune referenced vars list too.
10949         * tree-flow.h (remove_referenced_var): Declare.
10950
10951 2007-01-14  Jan Hubicka  <jh@suse.cz>
10952
10953         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
10954         separately.
10955         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
10956         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
10957         * except.h (verify_eh_throw_table_statements): Kill prototype.
10958         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
10959         into call exrepssions.
10960         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
10961         eh trhow verifier.
10962         * tree-cfg.c: Include pointer-set.h.
10963         (verify_node_sharing): Work on pointer set.
10964         (verify_eh_throw_stmt_node): New.
10965         (verify_stmts): Use pointers sets, verify throw_stmt.
10966
10967 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
10968
10969         * ipa-reference.c (analyze_function): Consider also addresses taken
10970         in phi nodes.
10971
10972 2007-01-12  Roger Sayle  <roger@eyesopen.com>
10973
10974         * c-typeck.c (null_pointer_constant_p): Replace use of
10975         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
10976         (build_c_cast): Likewise.
10977
10978 2007-01-12  Roger Sayle  <roger@eyesopen.com>
10979
10980         * tree.h (force_fit_type_double): Remove unused final argument.
10981         * c-common.c (constant_expression_warning): Replace use of
10982         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
10983         (convert_and_check): Likewise.
10984         (shorten_compare): Update call to force_fit_type_double.
10985         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
10986         * convert.c (convert_to_pointer): Update call to
10987         force_fit_type_double.
10988         * fold-const.c (force_fit_type_double): Remove overflowed_const
10989         argument.
10990         (int_const_binop, fold_convert_const_int_from_int,
10991         fold_convert_const_int_from_real, fold_div_compare,
10992         fold_sign_changed_comparison, fold_unary, fold_negate_const,
10993         fold_abs_const, fold_not_const): Remove the final argument from
10994         calls to force_fit_type_double.
10995
10996 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10997
10998         * configure.ac: Set insn to "nop" for spu-*-* also.
10999         * configure: Regenerate.
11000
11001 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
11002
11003         * builtins.def : Add BUILT_IN_FREE.
11004
11005 2007-01-12  Jan Hubicka  <jh@suse.cz>
11006
11007         PR tree-optimization/30443
11008         * tree-inline.c (tree_function_versioning): Do not optimize when
11009         cloning for inlining.
11010
11011 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
11012
11013         * doc/loop.texi: Document recording of loop exits.
11014         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
11015         (update_single_exits_after_duplication,
11016         update_single_exit_for_duplicated_loop,
11017         update_single_exit_for_duplicated_loops): Removed.
11018         (duplicate_loop_to_header_edge): Do not call
11019         update_single_exits_after_duplication and
11020         update_single_exit_for_duplicated_loops.
11021         (loop_version): Do not update single_exit information.
11022         (fix_loop_structure): Use record_loop_exits instead of
11023         mark_single_exit_loops.
11024         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
11025         the lists of loop exits.
11026         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
11027         split_edge, merge_blocks): Update the lists of loop exits.
11028         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
11029         loop_optimizer_init.
11030         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
11031         of mark_single_exit_loops.
11032         (loop_optimizer_finalize): Call release_recorded_exits.
11033         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
11034         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
11035         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
11036         update single exit information.
11037         * lambda-code.c (perfect_nestify): Ditto.
11038         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
11039         (mark_single_exit_loops): Removed.
11040         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
11041         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
11042         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
11043         functions.
11044         (get_loop_exit_edges, single_exit): Use recorded exit lists.
11045         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
11046         (verify_loop_structure): Verify consistency of the exit lists.
11047         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
11048         (set_single_exit): Removed.
11049         * cfgloop.h (struct loop_exit): New function.
11050         (struct loop): single_exit_ field replaced by exits field.
11051         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
11052         (struct loops): Added exits hash.
11053         (mark_single_exit_loops, set_single_exit): Declaration removed.
11054         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
11055
11056 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11057
11058         * doc/invoke.texi: Avoid use of @headitem.
11059
11060 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11061
11062         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
11063
11064 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11065
11066         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
11067         list of targets.
11068
11069 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11070             Richard Sandiford  <richard@codesourcery.com>
11071
11072         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
11073         * config/m68k/m68k.opt: Resort options.
11074         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
11075
11076 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11077             Richard Sandiford  <richard@codesourcery.com>
11078
11079         * doc/invoke.texi: Document the macros that are defined by
11080         m68k's -mtune and -mhard-float options.
11081         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
11082         (m68k_cpp_cpu_family): Likewise.
11083         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
11084         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
11085         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
11086         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
11087         (m68k_cpp_cpu_family): Likewise.
11088
11089 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11090
11091         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
11092         macros besides mc68000 as tuning macros.  Use a switch statement
11093         to set them and mcpu32.
11094
11095 2007-01-12  Julian Brown  <julian@codesourcery.com>
11096
11097         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
11098         (TARGET_68040_ONLY): Rename to...
11099         (TARGET_68040): ...this.
11100         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
11101         * config/m68k/m68k.md: Likewise.
11102
11103 2007-01-12  Julian Brown  <julian@codesourcery.com>
11104             Nathan Sidwell  <nathan@codesourcery.com>
11105             Richard Sandiford  <richard@codesourcery.com>
11106
11107         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
11108         the -mcpu= argument associated with the --with-cpu setting.
11109         Define M68K_DEFAULT_TUNE to the default -mtune= option,
11110         if different from the one implied by the -mcpu setting.
11111         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
11112         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
11113         * doc/invoke.texi: Mention ColdFire in the introduction to the
11114         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
11115         -mno-div and -mhard-float options.  Make -m68881 a synonym for
11116         -mhard-float.  Document the previously-undocumented -m5206e,
11117         -m528x, -m5307 and -m5407 options.  Tweak the existing option
11118         documentation for consistency.
11119         * doc/install.texi: Mention new --with-cpu arguments.
11120         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
11121         default CPU if neither -mcpu nor -march are specified.
11122         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
11123         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
11124         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
11125         using m68k_tune to decide between families that implement the
11126         same ISA.  Use m68k_tune to set __mcfv4e__.
11127         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
11128         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
11129         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
11130         (FL_ISA_C, FL_ISA_MMU): New macros.
11131         (MASK_COLDFIRE): Delete.
11132         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
11133         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
11134         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
11135         (TARGET_HARD_FLOAT): Do not define here.
11136         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
11137         (TUNE_68000): New macro.
11138         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
11139         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
11140         (TUNE_CFV2): Redefine in terms of m68k_tune.
11141         (uarch_type, target_device, fpu_type): New enums.
11142         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
11143         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
11144         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
11145         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
11146         (FL_FOR_isa_c): New macros.
11147         (m68k_isa): New enum.
11148         (m68k_target_selection): New structure.
11149         (all_devices, all_isas, all_microarchs): New tables.
11150         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
11151         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
11152         (MASK_ALL_CPU_BITS): Delete.
11153         (m68k_find_selection): New function.
11154         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
11155         Map the legacy target options to a combination of the new ones.
11156         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
11157         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
11158         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
11159         settings.
11160         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
11161         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
11162         properties.
11163         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
11164         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
11165         * config/m68k/m68k-devices.def: New file.
11166
11167 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11168             Nathan Sidwell  <nathan@codesourcery.com>
11169
11170         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
11171         (SUBTARGET_EXTRA_SPECS): New macros.
11172         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
11173         use %(asm_cpu_spec) instead.
11174         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
11175         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
11176         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
11177         (EXTRA_SPECS): Rename to...
11178         (SUBTARGET_EXTRA_SPECS): ...this.
11179
11180 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11181             Richard Sandiford  <richard@codesourcery.com>
11182             Julian Brown  <julian@codesourcery.com>
11183
11184         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
11185         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
11186         to the configuration's default CPU.
11187         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
11188         Remove default masks.
11189         (m680[012]0-*-*): Set the default with_cpu to the first part of
11190         the target name.
11191         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
11192         (m68k*-*-linux): Extend the --with-cpu handling to...
11193         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
11194         and m68010.  Don't set target_cpu_default2.
11195         * doc/install.texi: Document --with-cpu for m68k.
11196         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
11197         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
11198         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
11199         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
11200         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
11201         (ASM_SPEC): Remove use of %(asm_cpu_default).
11202         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
11203         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
11204         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
11205         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
11206         __HAVE_FPU__ if TARGET_HARD_FLOAT.
11207         (TARGET_DEFAULT): Delete.
11208         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
11209         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
11210         (CPP_CPU_SPEC): Delete.
11211         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
11212         the appropriate string.
11213         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
11214         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
11215         (ASM_SPEC): Don't use %(asm_default_spec).
11216         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
11217         TARGET_DEFAULT and add MASK_68881.
11218         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
11219
11220 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11221
11222         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
11223         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
11224         MASK_68010 alongside MASK_68020.
11225         * doc/invoke.texi: Document -m68010.
11226         * config/m68k/m68k.opt (m68010): New.
11227         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
11228         if TUNE_68010.
11229         (TUNE_68010): New macro.
11230         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
11231         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
11232         (M68K_CPU_m68332): Add MASK_68010.
11233         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
11234         fallback definition.
11235         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
11236         defines.
11237         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
11238         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
11239         to all entries that use MASK_68020.
11240         (output_move_simode_const, output_move_himode, output_move_qimode)
11241         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
11242         instead of TARGET_68020 to select clr behavior.  Remove comment
11243         about there being no TARGET_68010.
11244         * config/m68k/m68k.md: Likewise throughout.
11245
11246 2007-01-12  Julian Brown  <julian@codesourcery.com>
11247
11248         * config/m68k/m68k.h (TARGET_ISAB): New macro.
11249         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
11250         * config/m68k/m68k.md: Likewise.
11251
11252 2007-01-12  Julian Brown  <julian@codesourcery.com>
11253
11254         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
11255         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
11256
11257 2007-01-12  Julian Brown  <julian@codesourcery.com>
11258
11259         * config/m68k/m68k.h (TUNE_68040_60): New macro.
11260         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
11261         * config/m68k/m68k.md: Likewise.
11262
11263 2007-01-12  Julian Brown  <julian@codesourcery.com>
11264             Richard Sandiford  <richard@codesourcery.com>
11265
11266         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
11267         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
11268         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
11269         TARGET_CPU32.
11270         (TARGET_CPU32): Rename to...
11271         (TUNE_CPU32): ...this.
11272         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
11273         (TUNE_CFV2): New macros.
11274         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
11275         remove conditions that are implied by TARGET_68020.
11276         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
11277         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
11278         (m68k_output_function_epilogue): Likewise.
11279         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
11280         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
11281         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
11282         non-68000 timings.  Refactor multiplication and division costs.
11283         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
11284         TUNE_CPU32 instead of TARGET_CPU32.
11285         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
11286         and TUNE_68060 instead of TARGET_68060.
11287         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
11288         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
11289         TARGET_CPU32.
11290         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
11291         && !TARGET_COLDFIRE" to choose between moveq and clr.
11292         Likewise in the unnamed movsf pattern.
11293         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
11294         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
11295         ashiftrt pattern.
11296
11297 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11298
11299         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
11300         of tabbing before backslashes.
11301
11302 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11303
11304         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
11305         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
11306         (ASM_OUTPUT_INTERNAL_LABEL): Define.
11307
11308 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
11309
11310         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
11311         find_interesting_uses_cond.
11312         (find_interesting_uses_cond): Use extract_cond_operands.
11313         (rewrite_use_compare): Use extract_cond_operands and
11314         force_gimple_operand_bsi.  Do not call update_stmt.
11315         (determine_use_iv_cost_condition): Use extract_cond_operands.
11316         Return cheaper of using original bound and changing the exit bound.
11317
11318 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
11319
11320         PR tree-optimization/29516
11321         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
11322         most_expensive_mult_to_index, addr_to_parts,
11323         create_mem_ref, maybe_fold_tmr): Make the type of
11324         fields of TARGET_MEM_REF sizetype.
11325         (move_fixed_address_to_symbol, move_pointer_to_base):
11326         New functions.
11327         * tree.def (TARGET_MEM_REF): Add comment on types of
11328         the operands.
11329
11330 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
11331
11332         * c-common.c (vector_types_convertible_p): Treat opaque types as
11333         always convertible if they have the same size, but not otherwise.
11334
11335 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
11336
11337         * ifcvt.c (struct noce_if_info): Add comments to the fields.
11338         Remove the b_unconditional field.
11339         (noce_try_sign_mask): Do not look at b_unconditional.
11340         (noce_process_if_block): Do not use merge_if_blocks.  Update
11341         the CFG here.  Do not set b_unconditional.
11342         (cond_move_process_if_block): Likewise.
11343         (find_cond_trap): Likewise.
11344         (check_cond_move_block): Require simple jump insns at the end
11345         of the basic block.
11346
11347 2007-01-11  Jan Hubicka  <jh@suse.cz>
11348
11349         PR tree-optimization/1046
11350         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
11351         when alias info is not ready.
11352         (pass_tail_recursion): Do not require aliasing.
11353         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
11354         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
11355         * tree-ssa-copy.c (pass_copy_prop): Likewise.
11356         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
11357         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
11358         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
11359         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
11360         before inlining.
11361         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
11362         When aliasing is not build, mark statement as volatile.
11363
11364 2007-01-11  Tom Tromey  <tromey@redhat.com>
11365
11366         PR preprocessor/15185, PR preprocessor/20989:
11367         * doc/cppopts.texi <-MT>: Update description of algorithm for
11368         computing default target.
11369         <-M, -MD>: Reword "basename" text.
11370
11371 2007-01-11  Roger Sayle  <roger@eyesopen.com>
11372
11373         * builtins.c (expand_builtin_pow, expand_builtin_powi,
11374         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
11375         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
11376         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
11377         fold_builtin_bswap, real_constp, fold_builtin_pow,
11378         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
11379         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
11380         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11381         * convert.c (convert_to_pointer): Likewise.
11382         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
11383         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
11384         const_binop, fold_convert_const_int_from_int,
11385         fold_convert_const_int_from_real,
11386         fold_convert_const_real_from_real, sign_bit_p,
11387         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
11388         fold_sign_changed_comparison, fold_unary, fold_comparison,
11389         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
11390         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
11391         * print-tree.c (print_node_brief, print_node): Likewise.
11392         * stor-layout.c (place_field, layout_type): Likewise.
11393         * tree-chrec.c (keep_cast): Likewise.
11394         * tree.c (build_vector, build_real, build_real_from_int_cst,
11395         build_complex): Likewise.
11396
11397 2007-01-11  Roger Sayle  <roger@eyesopen.com>
11398
11399         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
11400         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
11401
11402 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
11403
11404         * configure.ac (strict1_warn): Rename to strict_warn.
11405         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
11406         cc_set_by_configure, quoted_cc_set_by_configure,
11407         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
11408         all_boot_languages, all_stagestuff): Remove.
11409         (target_list): Remove bootstrap targets.
11410         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
11411         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
11412         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
11413         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
11414         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
11415         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
11416         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
11417         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
11418         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
11419         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
11420         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
11421         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
11422         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
11423         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
11424         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
11425         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
11426         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
11427         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
11428         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
11429         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
11430         (mostlyclean): Adjust.
11431         (clean, distclean): Don't mention bootstrap stuff.
11432         * configure: Regenerate.
11433         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
11434         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
11435         treelang/config-lang.in (stagestuff): Remove.
11436         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
11437         stageprofile, stagefeedback, stagestuff): Remove mention.
11438
11439 2007-01-11  Nick Clifton  <nickc@redhat.com>
11440
11441         * config/mcore/predicates.md (mcore_general_movesrc_operand):
11442         Accept CONSTs.
11443         (mcore_general_movdst_operand): Do not accept CONST_INTs.
11444         (mcore_arith_K_S_operand): Run the test for the S constraint not
11445         the test for the M constraint.
11446         (mcore_addsub_operand): Do not accept integer values that are
11447         larger than 32 bits.
11448         * config/mcore/mcore.md: Remove unused constraints from split.
11449         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
11450         (addsi3): Likewise.
11451         (allocate_stack): Likewise.
11452         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
11453         operands to 32 bits.
11454         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
11455         INTVAL.
11456         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
11457         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
11458         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
11459         mcore_output_bclri, mcore_output_andn, output_inline_const,
11460         mcore_output_move, mcore_output_movedouble): Likewise.
11461         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
11462         (output_inline_const): Likewise.
11463         (output_inline_const): Fix format strings used in sprintf
11464         statements.
11465         * config/mcore/mcore-protos.h: Update prototypes for changed
11466         functions in mcore.c.
11467         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
11468         HOST_WIDE_INT and not int.
11469         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
11470         CONST_OK_FOR_N): Likewise.
11471         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
11472         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
11473         an INTVAL.
11474
11475 2007-01-10  Jan Hubicka  <jh@suse.cz>
11476
11477         * tree-vrp.c (remove_range_assertions): Release defs.
11478         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
11479         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
11480
11481 2007-01-10  Paul Brook  <paul@codesourcery.com>
11482
11483         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
11484         * config/arm/arm.md (mulsi3subsi): New insn.
11485
11486 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
11487
11488         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
11489         (tree_transform_and_unroll_loop): New.
11490         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
11491         Declare.
11492
11493 2007-01-10  Robert Kennedy <jimbob@google.com>
11494
11495         * fold-const.c (fold_comparison): Fold comparisons like (x *
11496         1000 < 0) to (x < 0).
11497
11498 2007-01-10  Ian Lance Taylor  <iant@google.com>
11499
11500         * tree-pretty-print.c (dump_generic_node): Print parentheses when
11501         operands have the same priority.
11502
11503 2007-01-10  Tom Tromey  <tromey@redhat.com>
11504
11505         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
11506         (fold_binary): Likewise.
11507         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
11508         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
11509         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
11510         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
11511         * langhooks.h (struct lang_hooks): Removed field
11512         'can_use_bit_fields_p'.
11513
11514 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
11515
11516         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
11517
11518 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
11519
11520         * function.c (get_last_funcdef_no): New function.
11521         * function.h (get_last_funcdef_no): Declare.
11522         * tree-inline.c (initialize_cfun): Add initialization.
11523         (tree_function_versioning): Cleanup.
11524
11525 2007-01-10  Jan Hubicka  <jh@suse.cz>
11526
11527         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
11528         PHIs.
11529
11530 2007-01-10  Sa Liu  <saliu@de.ibm.com>
11531             Ben Elliston  <bje@au.ibm.com>
11532
11533         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
11534         for SAVE_NONLOCAL and Pmode for any other save level.
11535         * spu-protos.h (spu_restore_stack_block): Declare.
11536         * spu.md (save_stack_block): Remove.
11537         (restore_stack_block): Call spu_restore_stack_block.
11538         * spu.c (spu_restore_stack_block): New function.
11539         (spu_expand_epilogue): Remove old comment.
11540
11541 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
11542
11543         PR tree-optimization/30322
11544         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
11545         (cand_value_at): Return the value as aff_tree.
11546         (may_eliminate_iv): Convert the bound from aff_tree to tree.
11547         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
11548         aff_combination_mult): New functions.
11549         (aff_combination_add): Use aff_combination_add_cst.
11550         (aff_combination_convert): Allow conversions to a wider type.
11551         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
11552         * tree-affine.h (aff_combination_mult): Declare.
11553
11554 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
11555
11556         * doc/tm.texi: Update documentation to reflect reality of exec
11557         and start file search behaviours. Update copyright year.
11558         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
11559         header file directories.
11560
11561 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
11562
11563         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
11564         (*cosxf2): Rename to cosxf2_i387.
11565         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
11566         using X87MODEF12 mode macro. Rename patterns to
11567         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
11568         for SSE math.
11569         (*cosdf2, *cossf2): Ditto.
11570         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
11571         to match extended input operands.
11572         (sincos<mode>3): New expander.
11573         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
11574         insn patterns and corresponding splitters.
11575
11576 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
11577
11578         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
11579         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
11580
11581 2007-01-09  Nicolas Pitre  <nico@cam.org>
11582
11583         PR target/30173
11584         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
11585
11586 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
11587
11588         * target.h (struct gcc_target): New field library_rtti_comdat.
11589         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
11590         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
11591         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
11592         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
11593
11594 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
11595
11596         * doc/invoke.texi (Optimize Options): Correct description of -O0.
11597
11598 2007-01-08  Richard Guenther  <rguenther@suse.de>
11599
11600         * tree.h (force_fit_type_double): Export.
11601         (force_fit_type): Remove.
11602         * fold-const.c (force_fit_type_double): New function.
11603         (force_fit_type): Remove.
11604         (int_const_binop): Use it.
11605         (fold_convert_const_int_from_int): Likewise.
11606         (fold_convert_const_int_from_real): Likewise.
11607         (fold_div_compare): Likewise.
11608         (fold_sign_changed_comparison): Likewise.
11609         (fold_unary): Likewise.
11610         (fold_negate_const): Likewise.
11611         (fold_abs_const): Likewise.
11612         (fold_not_const): Likewise.
11613         * c-common.c (shorten_compare): Use force_fit_type_double.
11614         * convert.c (convert_to_pointer): Likewise.
11615
11616 2007-01-08  Richard Guenther  <rguenther@suse.de>
11617
11618         * tree.h (build_int_cst_wide_type): Export.
11619         * tree.c (build_int_cst_wide_type): New function.
11620         (build_int_cst_wide): Fix comment.
11621         * builtins.c (fold_builtin_object_size): Use build_int_cst
11622         to build -1 or 0 of the correct type.  Use fit_double_type
11623         to check for overflow.
11624         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
11625         to build the mask.
11626         (decode_field_reference): Likewise.
11627         (all_ones_mask_p): Likewise.
11628         (native_interpret_int): Use build_int_cst_wide_type.
11629         (fold_binary): Use build_int_cst_type to build an all-ones
11630         value.
11631         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
11632
11633 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
11634
11635         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
11636
11637 2007-01-09  Ben Elliston  <bje@au.ibm.com>
11638
11639         * genautomata.c (STATS_OPTION): New option.
11640         (stats_flag): New flag.
11641         (gen_automata_option): Handle it.
11642         (initiate_automaton_gen): Ditto.
11643         (write_automata): Output statistics only if stats_flag is
11644         set. Likewise, output time statistics only if time_flag is set.
11645         * doc/md.texi (Processor pipeline description): Document new flag.
11646
11647 2007-01-08  Richard Guenther  <rguenther@suse.de>
11648
11649         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
11650         * tree.c (build_int_cst_type): Likewise.
11651         (size_in_bytes): Don't call force_fit_type on the result.
11652         (int_fits_type_p): Use fit_double_type.
11653         * fold-const.c (fit_double_type): New function.
11654         (force_fit_type): Use it.
11655         * tree.h (fit_double_type): Export.
11656
11657 2007-01-08  Jan Hubicka  <jh@suse.cz>
11658
11659         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
11660         * ipa.c (function_and_variable_visibility): Fix return type.
11661
11662 2007-01-08  Richard Guenther  <rguenther@suse.de>
11663
11664         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
11665         of offset to build the index.
11666         * tree-pretty-print.c (dump_generic_node): Don't build negated
11667         const just for printing.
11668         * c-pretty-print.c (pp_c_integer_constant): Likewise.
11669         * builtins.c (fold_builtin_int_roundingfn): Check if result
11670         fits the type by using force_fit_type and comparing the result.
11671         * predict.c (predict_loops): Use compare_tree_int for comparison.
11672         * tree.c (build_int_cst): Fall back to integer_type_node for
11673         NULL_TREE type.
11674         (build_int_cst_wide): Assert type is non-null.
11675
11676 2007-01-08  Roberto Costa  <roberto.costa@st.com>
11677
11678         * tree-vrp.c (extract_range_from_cond_expr): New.
11679         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
11680         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
11681         as expressions.
11682         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
11683         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
11684         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
11685         used as expressions.
11686         * tree-object-size.c (cond_expr_object_size): New.
11687         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
11688
11689 2007-01-08  Jan Hubicka  <jh@suse.cz>
11690
11691         * tree-ssa-forwprop.c (forward_propagate_into_cond,
11692         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
11693         statement.
11694
11695 2007-01-08  Richard Guenther  <rguenther@suse.de>
11696
11697         PR tree-optimization/23603
11698         * tree-vrp.c (set_value_range_to_truthvalue): New function.
11699         (extract_range_from_binary): Fall back to truthvalue instead of
11700         varying for TRUTH_*_EXPR.
11701         (extract_range_from_comparison): Fall back to truthvalue instead of
11702         varying.
11703         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
11704         if all visited PHI values were constant.
11705
11706 2007-01-08  Jan Hubicka  <jh@suse.cz>
11707
11708         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
11709         (cgraph_analyze_function): break out from ...
11710         (cgraph_finalize_compilation_unit): ... here.
11711         (cgraph_expand_function): Remove forgoten commented out line.
11712         (cgraph_optimize): Analyze functions.
11713
11714 2007-01-08  Jan Hubicka  <jh@suse.cz>
11715
11716         * tree-pas.h (TODO_remove_function): New flag.
11717         (TODO_update*): Renumber.
11718         (pass_ipa_increase_alignment,
11719         pass_ipa_function_and_variable_visibility): New passes.
11720         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
11721         (cgraph_function_and_variable_visibility): Move to ipa.c
11722         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
11723         cgraph_increase_alignment.
11724         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
11725         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
11726         calling tree-inline.
11727         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
11728         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
11729         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
11730         (gate_increase_alignment): New function.
11731         (pass_ipa_increase_alignment): New pass.
11732         * ipa.c: Inline tree-pass.h and timevar.h
11733         (function_and_variable_visibility): Move here from cgraphunit.c
11734         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
11735         * passes.c (init_optimization_passes): Add the two new passes.
11736         (execute_todo): Handle cgraph_remove_functions.
11737
11738 2007-01-08  Nick Clifton  <nickc@redhat.com>
11739
11740         * config/frv/predicates.md (reg_or_0_operand): Accept
11741         CONST_DOUBLEs.
11742
11743 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
11744
11745         * config/bfin/rtems.h, config/bfin/t-rtems: New.
11746         * config.gcc: Add bfin*-rtems*.
11747
11748 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
11749
11750         * c.opt: Add -flax-vector-conversions.
11751         * c-typeck.c (convert_for_assignment): Pass flag to
11752         vector_types_convertible_p to allow emission of note.
11753         (digest_init): Likewise.
11754         * c-opts.c: Handle -flax-vector-conversions.
11755         * c-common.c (flag_lax_vector_conversions): New.
11756         (vector_types_convertible_p): Unless -flax-vector conversions
11757         has been passed, disallow conversions between vectors with
11758         differing numbers of subparts and/or element types.  If such
11759         a conversion is disallowed, possibly emit a note on the first
11760         occasion only to inform the user of -flax-vector-conversions.
11761         The new last argument specifies this.
11762         * c-common.h (flag_lax_vector_conversions): New.
11763         (vector_types_convertible_p): Add extra argument.
11764         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
11765         char_type_node for V*QI type vectors.
11766         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
11767         Update to satisfy new typechecking rules.
11768         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
11769         C and C++ variants.
11770         * doc/invoke.texi (C Dialect Options): Document
11771         -flax-vector-conversions.
11772
11773 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
11774
11775         PR tree-optimization/29877
11776         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
11777         a register variable on the RHS to not be replaceable.
11778
11779 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
11780         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
11781         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
11782         const_simm15, const_pow2, const_npow2): Added.
11783         * config/score/misc.md (insv, extv, extzv, movmemsi,
11784         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
11785         * config/score/score.c (score_address_cost, score_select_cc_mode):
11786         Added.
11787         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
11788         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
11789         Update score_print_operand.
11790         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
11791         Adjust register allocate order and update some macro define.
11792         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
11793         mdx_block_move_straight, mdx_block_move_loop_head,
11794         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
11795         mdx_block_move): Added.
11796         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
11797         mdp_limm): Updated and fix some bug and typo.
11798         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
11799         (movsf, movdf, doloop_end): Added.
11800
11801 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
11802
11803         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
11804         config/arm/thumb2.md: Fix comment typos.
11805         * doc/extend.texi: Fix a typo.
11806
11807 2007-01-07  Eric Christopher  <echristo@apple.com>
11808
11809         * configure.ac: Check for __stack_chk_fail for darwin.
11810         * configure: Regenerate.
11811
11812 2007-01-07  Richard Guenther  <rguenther@suse.de>
11813
11814         * tree-vrp.c (extract_range_from_assert): CSE calls to
11815         compare_values where possible.
11816         (extract_range_from_unary_expr): Likewise.
11817
11818 2007-01-07  Anatoly Sokolov <aesok@post.ru>
11819
11820         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
11821         * config/avr/avr.c (call_insn_operand): Delete function.
11822         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
11823         instead of register number. Use predicates.
11824         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
11825         call_insn_operand): Add.
11826
11827 2007-01-06  Jan Hubicka  <jh@suse.cz>
11828
11829         * tree-pass.h (pass_build_cgraph_edges): Declare.
11830         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
11831         (visited_nodes): Remove.
11832         (cgraph_create_edges): Move to cgraphbuild.c; rename to
11833         build_cgrpah_edges; make visited_nodes local.
11834         (cgraph_process_new_functions): DO not call initialize_inline_failed.
11835         (record_references_in_initializer): Move to cgraphbuild.c
11836         (initialize_inline_failed, rebuild_cgraph_edges,
11837         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
11838         (verify_cgraph_node): Make visited_nodes local.
11839         (cgraph_analyze_function): Do not call cgraph_create_edges and
11840         initialize_inline_failed.
11841         (cgraph_expand_function): Do not call cgraph_lower_function;
11842         assert that function is already lowered.
11843         * Makefile.in (cgraphbuild.o): New.
11844         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
11845         at the end of lowering passes.
11846
11847 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
11848
11849         * ifcvt.c (cond_move_convert_if_block): New function, code
11850         factored out from...
11851         (cond_move_process_if_block): ...here.  Call the new function
11852         on the THEN and ELSE blocks.
11853         (merge_if_block): Do not copy global_live_at_end, merge_blocks
11854         already takes care of this.
11855
11856 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11857
11858         PR c/19978
11859         * tree.h (TREE_OVERFLOW_P): New.
11860         * c-typeck.c (parser_build_unary_op): Warn only if result
11861         overflowed and operands did not.
11862         (parser_build_binary_op): Likewise.
11863         (convert_for_assignment): Remove redundant overflow_warning.
11864         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
11865
11866 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11867
11868         * c-typeck.c (store_init_value): Split over two lines to follow
11869         the GNU coding style.
11870
11871 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
11872
11873         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
11874         __GXX_EXPERIMENTAL_CXX0X__.
11875         * doc/cpp.texi: Same.
11876
11877 2007-01-05  Richard Guenther  <rguenther@suse.de>
11878
11879         PR middle-end/27826
11880         * tree.c (get_narrower): Do not construct COMPONENT_REFs
11881         with mismatched types.  Instead explicitly build a
11882         conversion NOP_EXPR.
11883
11884 2007-01-05  Ian Lance Taylor  <iant@google.com>
11885
11886         * c-common.c (decl_with_nonnull_addr_p): New function.
11887         (c_common_truthvalue_conversion): Call it.
11888         * c-typeck.c (build_binary_op): Likewise.
11889         * c-common.h (decl_with_nonnull_addr_p): Declare.
11890
11891 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
11892
11893         PR c/30360
11894         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
11895         denom against 0.0.
11896
11897 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
11898
11899         * doc/install.texi (Final install): Document the fact that
11900         the GNAT runtime should not be stripped.
11901
11902 2007-01-04  Jan Hubicka  <jh@suse.cz>
11903
11904         * tree-inline.c (fold_marked_statements): Update operand caches
11905         and EH after folding
11906
11907 2007-01-04  Ian Lance Taylor  <iant@google.com>
11908
11909         * c-common.c (check_function_nonnull): Whitespace fix.
11910
11911 2007-01-04  Jan Hubicka  <jh@suse.cz>
11912
11913         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
11914         comitted older version of patch.
11915         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
11916         function, celanup cfg and collect garbage.
11917
11918 2007-01-04  Mike Stump  <mrs@apple.com>
11919
11920         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
11921         (clean): Likewise.
11922
11923 2007-01-04  Eric Christopher  <echristo@apple.com>
11924
11925         * libgcc2.c (__bswapsi2): Use SItype.
11926         (__bswapdi2): Use DItype.
11927         * libgcc2.h: Update for above.
11928
11929 2007-01-04  Paul Brook  <paul@codesourcery.com>
11930
11931         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
11932         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
11933         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
11934         umulsidi3, umulsidi3adddi, smulsi3_highpart,
11935         umulsi3_highpart): Make conditional on !arm_arch6.
11936         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
11937         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
11938         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
11939         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
11940         umulsi3_highpart_v6): New insns.
11941
11942 2007-01-04  Roger Sayle  <roger@eyesopen.com>
11943
11944         * fold-const.c (fold_convert): When casting an expression to void,
11945         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
11946         have a type.  Instead of attempting to build a NOP_EXPR, return
11947         these "special" trees directly.
11948
11949 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
11950
11951         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
11952         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
11953         rs6000_cost->fp not 0 as adjustment for outer NEG.
11954
11955 2007-01-04  Jan Hubicka  <jh@suse.cz>
11956
11957         * cgraph.c (cgraph_release_function_body): New function.
11958         (cgraph_remove_node): Use it.
11959         * cgraph.h (cgraph_release_function_body): Declare.
11960         * cgraphunit.c (cgraph_expand_function): Use it.
11961         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
11962         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
11963         is initialized and while compilation of other function is running.
11964         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
11965         statement CFG annotations from here to ...
11966         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
11967
11968 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
11969
11970         * cfgloop.h (enum li_flags): Make the constants powers of two.
11971
11972 2007-01-04  Jan Hubicka  <jh@suse.cz>
11973
11974         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
11975         set.
11976         (fold_marked_statements): New function.
11977         (optimize_inline_calls, tree_function_versioning): Fold new statements.
11978         * tree-inline.h (copy_body_data): Add statements_to_fold.
11979
11980 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
11981
11982         * config.gcc: Mention libgcc/config.host.
11983         * Makefile.in: Update comments mentioning libgcc.
11984         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
11985         (all.cross, start.encap, rest.encap, rest.cross): Update
11986         dependencies for libgcc move.
11987         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
11988         (clean-target, clean-target-libgcc): Delete.
11989         (srcdirify, GCC_EXTRA_PARTS): New macros.
11990         (libgcc-support, libgcc.mvars): New rules.
11991         (distclean): Remove mention of mklibgcc.
11992         (install): Don't reference INSTALL_LIBGCC.
11993         (install-common): Don't reference EXTRA_PARTS.
11994         (install-libgcc, install-multilib): Delete rules.
11995         * mklibgcc.in: Delete file.
11996         * doc/configfiles.texi: Don't mention mklibgcc.
11997
11998         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
11999         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
12000         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
12001         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
12002         (mklibgcc, ldblspecs): Likewise.
12003
12004         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
12005         (posixpre.def): Use $(T).
12006         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
12007         (SHLIB_SRC, SHLIB_INSTALL): Delete.
12008         (SHLIB_LINK): Make dummy.
12009         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
12010
12011         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
12012
12013         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
12014         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
12015         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
12016         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
12017
12018         * configure.ac (all_outputs): Remove mklibgcc.
12019         * configure: Regenerated.
12020
12021 2007-01-03  Josh Conner  <jconner@apple.com>
12022
12023         PR middle-end/29683
12024         * calls.c (compute_argument_addresses): Set stack and stack_slot
12025         for partial args, too.
12026         (store_one_arg): Use locate.size.constant for the size when
12027         generating a save_area.
12028
12029 2007-01-03  Robert Kennedy <jimbob@google.com>
12030
12031         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
12032         whose definitions are deleted due to basic block merging.
12033
12034 2007-01-03  Paul Brook  <paul@codesourcery.com>
12035
12036         PR target/16634
12037         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
12038         functions.
12039         (use_return_insn): Return 0 for Thumb interrupt functions.
12040         (print_multi_reg): Add rfe argument for IRQ returns.
12041         (arm_output_epilogue): Pop interrupt return address directly into PC.
12042         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
12043
12044 2007-01-03  Paul Brook  <paul@codesourcery.com>
12045
12046         Merge from sourcerygxx-4_1.
12047         * config/arm/thumb2.md: New file.
12048         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
12049         Thumb-2.
12050         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
12051         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
12052         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
12053         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
12054         tables.
12055         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
12056         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
12057         comptibility.
12058         * config/arm/ieee754-sf.S: Ditto.
12059         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
12060         (thumb1_base_register_rtx_p): ... to this.
12061         (thumb_index_register_rtx_p): Rename...
12062         (thumb1_index_register_rtx_p): ... to this.
12063         (thumb_output_function_prologue): Rename...
12064         (thumb1_output_function_prologue): ... to this.
12065         (thumb_legitimate_address_p): Rename...
12066         (thumb1_legitimate_address_p): ... to this.
12067         (thumb_rtx_costs): Rename...
12068         (thumb1_rtx_costs): ... to this.
12069         (thumb_compute_save_reg_mask): Rename...
12070         (thumb1_compute_save_reg_mask): ... to this.
12071         (thumb_final_prescan_insn): Rename...
12072         (thumb1_final_prescan_insn): ... to this.
12073         (thumb_expand_epilogue): Rename...
12074         (thumb1_expand_epilogue): ... to this.
12075         (arm_unwind_emit_stm): Rename...
12076         (arm_unwind_emit_sequence): ... to this.
12077         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
12078         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
12079         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
12080         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
12081         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
12082         thumb2_output_casesi): New functions.
12083         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
12084         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
12085         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
12086         THUMB2_WORK_REGS): Define.
12087         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
12088         arm_condexec_mask, arm_condexec_masklen)): New variables.
12089         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
12090         (arm_override_options): Check new CPU capabilities.
12091         Set new architecture flag variables.
12092         (arm_isr_value): Handle v7m interrupt functions.
12093         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
12094         Thumb-2.
12095         (const_ok_for_arm): Handle Thumb-2 constants.
12096         (arm_gen_constant): Ditto.  Use movw when available.
12097         (arm_function_ok_for_sibcall): Return false for v7m interrupt
12098         functions.
12099         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
12100         (thumb_find_work_register, arm_load_pic_register,
12101         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
12102         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
12103         print_multi_reg, output_mov_long_double_fpa_from_arm,
12104         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
12105         output_mov_double_fpa_from_arm, output_move_double,
12106         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
12107         output_return_instruction, arm_output_function_prologue,
12108         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
12109         arm_output_mi_thunk, thumb_set_return_address): Ditto.
12110         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
12111         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
12112         (arithmetic_instr, shift_op): Use arm_shift_nmem.
12113         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
12114         '!' and 'L'.
12115         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
12116         (thumb_expand_prologue): Use thumb_set_frame_pointer.
12117         (arm_file_start): Output directive for unified syntax.
12118         (arm_unwind_emit_set): Handle stack alignment instruction.
12119         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
12120         Add v6t2, v7, v7a, v7r and v7m.
12121         (RETLDM): Add Thumb-2 code.
12122         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
12123         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
12124         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
12125         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
12126         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
12127         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
12128         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
12129         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
12130         ADJUST_INSN_LENGTH): Define.
12131         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
12132         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
12133         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
12134         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
12135         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
12136         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
12137         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
12138         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
12139         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
12140         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
12141         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
12142         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
12143         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
12144         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
12145         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
12146         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
12147         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
12148         cortex-m3.
12149         * config/arm/arm-tune.md: Regenerate.
12150         * config/arm/arm-protos.h: Update prototypes.
12151         * config/arm/vfp.md: Enable patterns for Thumb-2.
12152         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
12153         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
12154         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
12155         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
12156         * config/arm/libunwind.S: Add Thumb-2 code.
12157         * config/arm/constraints.md: Update include Thumb-2.
12158         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
12159         * config/arm/ieee754-df.S: Ditto.
12160         * config/arm/bpabi.S: Ditto.
12161         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
12162         * config/arm/predicates.md (low_register_operand,
12163         low_reg_or_int_operand, thumb_16bit_operator): New.
12164         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
12165         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
12166         * config/arm/t-arm-elf: Add armv7 multilib.
12167         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
12168         Include thumb2.md.
12169         (UNSPEC_STACK_ALIGN, ce_count): New.
12170         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
12171         arm_zero_extendsidi2, arm_zero_extendqidi2): New
12172         insns/expanders.
12173         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
12174         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
12175         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
12176         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
12177         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
12178         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
12179         insns.
12180         * doc/extend.texi: Document ARMv7-M interrupt functions.
12181         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
12182
12183 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
12184
12185         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
12186         (struct _Unwind_Context): Rename args_size to flags, remove
12187         signal_frame field, add a new args_size field and version field.
12188         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
12189         _Unwind_IsExtendedContext): New inline functions.
12190         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
12191         Assume by_value array is only present if _Unwind_IsExtendedContext.
12192         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
12193         _Unwind_IsSignalFrame.
12194         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
12195         (uw_update_context_1): Use _Unwind_SetSignalFrame.
12196         (uw_init_context_1): Initialize context->flags to
12197         EXTENDED_CONTEXT_BIT.
12198         * config/rs6000/linux-unwind.h (frob_update_context): Use
12199         _Unwind_SetSignalFrame.
12200
12201 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12202
12203         PR middle-end/30353
12204         * gimplify.c (gimplify_modify_expr_complex_part): Move below
12205         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
12206         the value.
12207
12208 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
12209
12210         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
12211         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
12212         RET, AT_SP): Remove.
12213         * config/i386/i386.md (*sse_prologue_save_insn): Use return
12214         instead of RET.
12215
12216         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12217         * cfgbuild.c (find_basic_blocks): Likewise.
12218         * cfgrtl.c (rtl_create_basic_block): Likewise.
12219         * function.c (temp_slots_at_level): Likewise.
12220         * reg-stack.c (stack_regs_mentioned): Likewise.
12221         * regclass.c (allocate_reg_info): Likewise.
12222         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12223         set_bb_for_stmt, move_block_to_fn): Likewise.
12224         * tree-complex.c (tree_lower_complex): Likewise.
12225         * vec.h (VEC_safe_grow_cleared): New.
12226
12227         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
12228
12229 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
12230
12231         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
12232         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
12233         to loop_version.
12234         * cfgloopmanip.c (scale_loop_frequencies): Export.
12235         (loopify): Scale the frequencies by prescribed coefficients.
12236         (set_zero_probability): New function.
12237         (duplicate_loop_to_header_edge): Improve updating of frequencies.
12238         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
12239         and frequencies according to arguments.
12240         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
12241         correctly.
12242         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
12243         * modulo-sched.c (sms_schedule): Set probabilities for entering
12244         versioned loop correctly.
12245         * tree-vect-transform.c (vect_transform_loop): Ditto.
12246         * cfgloop.h (loopify, loop_version): Declaration changed.
12247         (scale_loop_frequencies): Declared.
12248
12249 2007-01-02  Jan Hubicka  <jh@suse.cz>
12250
12251         * cgraph.c: Include tree-flow.h
12252         (cgraph_add_new-function): Handle IPA_SSA mode; execute
12253         early_local_passes.
12254         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
12255         * tree-pass.h (pass_all_early_optimizations): Declare.
12256         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
12257         early_local_passes.
12258         (cgraph_analyze_function): Do early_local_passes.
12259         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
12260         Do not add referenced vars.
12261         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
12262         SSA form.
12263         (gate_all_early_local_passes): New gate.
12264         (pass_early_local_passes): Use new gate.
12265         (execute_early_local_optimizations): New functions.
12266         (gate_all_early_optimizations): New gate.
12267         (pass_all_early_optimizations): New pass.
12268         (execute_free_datastructures): Free SSA only when initialized.
12269         (gate_init_datastructures): Init only when optimizing.
12270         (tree_lowering_passes): Do early local passes when called late.
12271         * tree-profile.c (do_tree_profiling): Don't profile functions added
12272         late.
12273         (do_early_tree_profiling, pass_early_tree_profile): Kill.
12274         * tree-cfg.c (update_modified_stmts): Do not update when operands are
12275         not active.
12276         * passes.c (init_optimizations_passes): Reorder so we go into SSA
12277         during early_local_passes.
12278         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
12279
12280
12281 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
12282
12283         * Makefile.in: Update copyright year.
12284
12285 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
12286
12287         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
12288         in $(lang_checks) and check-consistency targets.
12289
12290 2007-01-02  Jan Hubicka  <jh@suse.cz>
12291
12292         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
12293         Do not add referenced vars.
12294         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
12295         are not active.
12296         * passes.c (init_optimization_passes): Put mudflap_2 after
12297         free_datastructures.
12298
12299 2007-01-02  Jan Hubicka  <jh@suse.cz>
12300
12301         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
12302         Set NOTHROW flag on call statements proved to be nothrow.
12303         Update statement of local calls so new pure/const functions are
12304         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
12305         goto receivers.
12306         (tree_rest_of_compilation): Register hooks and initialize bitmap
12307         early. Do not set after_inlining flag.
12308
12309 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
12310
12311         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
12312         HOST_BITS_PER_LONGLONG
12313
12314 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
12315
12316         PR c/19977
12317         * c-typeck.c (store_init_value): Don't emit pedantic overflow
12318         warning for non-static initializers.
12319
12320 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
12321
12322         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
12323         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
12324         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
12325         Always use set_unique_reg_note to add REG_EQUAL notes.
12326
12327 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
12328
12329         Revert:
12330         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
12331
12332         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12333         * cfgbuild.c (find_basic_blocks): Likewise.
12334         * cfgrtl.c (rtl_create_basic_block): Likewise.
12335         * function.c (temp_slots_at_level): Likewise.
12336         * reg-stack.c (stack_regs_mentioned): Likewise.
12337         * regclass.c (allocate_reg_info): Likewise.
12338         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12339         set_bb_for_stmt, move_block_to_fn): Likewise.
12340         * tree-complex.c (tree_lower_complex): Likewise.
12341         * vec.h (VEC_safe_grow_cleared): New.
12342
12343 2007-01-02  Ian Lance Taylor  <iant@google.com>
12344
12345         * c-common.c (c_common_truthvalue_conversion): When warning about
12346         using an assignment as a truth value, set TREE_NO_WARNING.
12347
12348 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12349
12350         PR middle-end/7651
12351         * c.opt (Wold-style-declaration): New.
12352         * doc/invoke.texi (C-only Warning Options): New.
12353         (Wold-style-declaration): Document it.
12354         (Wextra): Enabled by -Wextra.
12355         * c-opts.c (c_common_post_options): Enabled by -Wextra.
12356         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
12357         -Wold-style-declaration.
12358
12359 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
12360
12361         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12362         * cfgbuild.c (find_basic_blocks): Likewise.
12363         * cfgrtl.c (rtl_create_basic_block): Likewise.
12364         * function.c (temp_slots_at_level): Likewise.
12365         * reg-stack.c (stack_regs_mentioned): Likewise.
12366         * regclass.c (allocate_reg_info): Likewise.
12367         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12368         set_bb_for_stmt, move_block_to_fn): Likewise.
12369         * tree-complex.c (tree_lower_complex): Likewise.
12370         * vec.h (VEC_safe_grow_cleared): New.
12371
12372 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
12373
12374         * c-common.c (c_common_nodes_and_builtins): Since variants of
12375         void_type_node get built before it is given a name, we need to
12376         give those variants the name, too.
12377         (complete_array_type): We need to work with the canonical main
12378         type of the array, from which we will build the qualified version.
12379         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
12380         * print-tree.c (print_node): Display canonical type information
12381         for each type.
12382         * stor-layout.c (layout_type): When we don't know the
12383         alignment of a type for which we're building an array, we end up
12384         guessing wrong, so make the type require structural equality.
12385         * tree.c (make_node_stat): When we build a new type, it is its
12386         own canonical type.
12387         (build_type_attribute_qual_variant): When building an attribute
12388         variant, its canonical type is the non-attribute variant. However,
12389         if the attributes are target-dependent and they differ, we need to
12390         use structural equality checks for this type.
12391         (build_qualified_type): A qualified type is not equivalent to its
12392         unqualified variant; set the canonical type appropriately.
12393         (build_distinct_type_copy): When building a distinct type from
12394         another type, the new type is its own canonical type.
12395         (build_variant_type_copy): When building a new type variant, we
12396         assume that it is equivalent to the original type.
12397         (build_pointer_type_for_mode): When building a pointer type, also
12398         build a canonical type pointer.
12399         (build_reference_type_for_mode): When building a reference type,
12400         also build a canonical type reference.
12401         (build_index_type): When we can't hash an index type (e.g.,
12402         because its maximum value is negative), the index type requires
12403         structural equality tests.
12404         (build_array_type): Build the canonical form of an array type.
12405         (build_function_type): Function types require structural equality,
12406         because they contain default arguments, attributes, etc.
12407         (build_method_type_directly): Ditto for method types.
12408         (build_offset_type): Build the canonical offset type.
12409         (build_complex_type): Build the canonical vector type.
12410         (make_vector_type): Build the canonical vector type.
12411         * tree.h (TYPE_CANONICAL): New.
12412         (TYPE_STRUCTURAL_EQUALITY_P): New.
12413         (SET_TYPE_STRUCTURAL_EQUALITY): New.
12414         (struct tree_type): Added "canonical" field.
12415         * params.h (VERIFY_CANONICAL_TYPES): New.
12416         * doc/c-tree.texi (TYPE_CANONICAL): Document.
12417         (TYPE_STRUCTURAL_EQUALITY_P): Document.
12418         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
12419         * doc/invoke.texi (verify-canonical-types): Document --param
12420         parameter for verifying canonical types.
12421
12422 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12423
12424         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
12425         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
12426         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
12427         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
12428         tm_file.
12429         * config/rs6000/e500.h: New.
12430         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
12431         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
12432         Remove.
12433         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
12434         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
12435         TARGET_E500_DOUBLE): Remove.
12436         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
12437         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
12438         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
12439         * config/rs6000/rs6000.c (rs6000_override_options): Use
12440         CHECK_E500_OPTIONS.
12441
12442 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12443
12444         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
12445         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
12446         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
12447         rs6000_emit_cmove): Don't check TARGET_E500.
12448         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
12449         sordered): Don't check TARGET_E500.
12450
12451 2007-01-01  Eric Christopher  <echristo@apple.com>
12452
12453         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
12454         HARD_REGISTER_NUM_P.
12455
12456 2007-01-01  Roger Sayle  <roger@eyesopen.com>
12457
12458         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
12459         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
12460         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
12461         eq/ne Y".
12462
12463 2007-01-01  Mike Stump  <mrs@apple.com>
12464
12465         * configure.ac: Remove support for building with Apple's gcc-3.1.
12466
12467 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12468
12469         PR middle-end/30311
12470         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
12471         REG is a hard register.  Do not modify REG before calling
12472         subreg_nregs.
12473         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
12474         multiple of the size of YMODE for certain lowpart cases.
12475
12476 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12477
12478         PR middle-end/30253
12479         * gimplify (voidify_wrapper_expr): Update for
12480         GIMPLE_MODIFY_STMT.
12481
12482 2007-01-01  Andreas Schwab  <schwab@suse.de>
12483
12484         PR target/29166
12485         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
12486         save of BR0 in extra_spill_size instead of spill_size.
12487         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
12488         area.
12489         (ia64_expand_epilogue): Restore BR0 from its new location.
12490
12491 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12492
12493         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
12494         Use a temporary variable if the left hand side is not a gimple
12495         register.
12496
12497 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12498
12499         * gimplify.c (gimplify_return_expr): Make the temporary variable
12500         for the return expression, a gimple register variable.
12501
12502 2007-01-01  Jan Hubicka  <jh@suse.cz>
12503
12504         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
12505         INSN_LIST.
12506
12507 2007-01-01  Mike Stump  <mrs@apple.com>
12508
12509         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
12510         .literal16.
12511         * config/darwin.c (machopic_select_rtx_section): Use
12512         HAVE_GAS_LITERAL16.
12513         (darwin_mergeable_constant_section): Likewise.
12514         * configure: Regenerate.
12515         * config.in: Regenerate.
12516
12517 2007-01-01  Jan Hubicka  <jh@suse.cz>
12518             Andrew Pinski  <pinskia@gmail.com>
12519
12520         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
12521         before starting IPA passes.