gcc/ChangeLog

   1 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
   2
   3         PR tree-optimization/31771
   4         * tree-cfg.c (move_block_to_fn): Assign bb to the correct index.
   5
   6 2007-05-02  Paul Brook  <paul@codesourcery.com>
   7
   8         * config/arm/bpabi.S (aeabi_lcmp): Fix result on overflow.
   9
  10 2007-05-02  Andrew Pinski  <andrew_pinski@playstation.sony.com>
  11
  12         PR middle-end/29715
  13         * fold-const.c (fold_comparision): Remove the "foo++ == CONST"
  14         transformation.
  15
  16 2007-05-02  Nick Clifton  <nickc@redhat.com>
  17
  18         * config/frv/predicates.md (symbolic_operand): Accept CONSTs.
  19
  20 2007-05-02  Richard Guenther  <rguenther@suse.de>
  21
  22         PR tree-optimization/31146
  23         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
  24         argument, single_use_p.  If we have a single use that is
  25         a conversion to the definition rhs type, propagate that rhs.
  26         (forward_propagate_addr_expr): Pass single_use_p argument
  27         to forward_propagate_addr_expr_1.
  28
  29 2007-05-01  H.J. Lu  <hongjiu.lu@intel.com>
  30
  31         * config/i386/i386.c (ix86_expand_sse_comi): Remove unused
  32         variable.
  33
  34 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
  35
  36         * doc/invoke.texi: Fix typo, 'AMD Family 10h core' instead of
  37         'AMD Family 10 core'.
  38
  39 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
  40
  41         * config/i386/i386.c (override_options): Accept k8-sse3, opteron-sse3
  42         and athlon64-sse3 as improved versions of k8, opteron and athlon64
  43         with SSE3 instruction set support.
  44         * doc/invoke.texi: Likewise.
  45
  46 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
  47
  48         * config/i386/i386.c (override_options): Tuning 32-byte loop
  49         alignment for amdfam10 architecture. Increasing the max loop
  50         alignment to 24 bytes.
  51
  52 2007-05-01  Kazu Hirata  <kazu@codesourcery.com>
  53
  54         * config/m68k/constraints.md: New.
  55         * config/m68k/m68k.h (REG_CLASS_FROM_LETTER,
  56         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
  57         EXTRA_CONSTRAINT): Remove.
  58         * config/m68k/m68k.md: Include constraints.md.
  59         * expr.c (expand_expr_real_1): Copy DECL_RTL before using it.
  60
  61 2007-05-01  Ian Lance Taylor  <iant@google.com>
  62
  63         PR tree-optimization/31739
  64         * tree-vrp.c (vrp_val_is_max): New static function.
  65         (vrp_val_is_min): New static function.
  66         (set_value_range_to_value): Use TYPE_{MAX,MIN}_VALUE rather than
  67         copying the node.
  68         (set_value_range): Use vrp_val_is_{max,min}.
  69         (extract_range_from_assert): Likewise.
  70         (extract_range_from_binary_expr): Likewise.
  71         (extract_range_from_unary_expr): Likewise.
  72         (dump_value_range, vrp_meet): Likewise.
  73         (vrp_visit_phi_node): Likewise.
  74         * tree.c (build_distinct_type_copy): Revert change of 2007-04-27.
  75
  76 2007-05-01  Mark Mitchell  <mark@codesourcery.com>
  77
  78         * config/i386/gmon-sol2.c (size_t): New type.
  79         (intptr_t): Likewise.
  80         (s_textsize): Declare as size_t.
  81         (sbrk): Declare.
  82         (monstartup): Use size_t for sizes.
  83         (_mcount): Save and restore registers.
  84         (internal_mcount): Pass 0 as the first argument to monstartup
  85         in 64-bit mode.
  86         (moncontrol): Convert pointer to appropriately sized integer
  87         before passing to profil.
  88
  89 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
  90
  91         * config/rs6000/darwin-ldouble.c (__gcc_qunord): Define if
  92         __NO_FPRS__, not just if _SOFT_DOUBLE.
  93         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qunord): Likewise.
  94         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use __gcc_qunord
  95         also for E500 double.
  96         * config/rs6000/rs6000.md (buneq, bunge, bungt, bunle, bunlt,
  97         suneq, sunge, sungt, sunle, sunlt): Disable for (TARGET_HARD_FLOAT
  98         && !TARGET_FPRS).
  99
 100 2007-05-01  Richard Guenther  <rguenther@suse.de>
 101
 102         * tree-ssa-loop-manip.c (ip_normal_pos): Check if last stmt
 103         is NULL.
 104
 105 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
 106
 107         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qgt): Fix typo.
 108
 109 2007-05-01  Jan Hubicka  <jh@suse.cz>
 110
 111         * tree-vectorize.c (vect_is_simple_use): gimple_min_invariant is
 112         invariant.
 113
 114 2007-05-01  Jan Hubicka  <jh@suse.cz>
 115
 116         * tree.h (maybe_fold_offset_to_component_ref): Remove.
 117         (maybe_fold_offset_to_reference): Declare.
 118         * fold-const.c (fold_unary): Do not fold
 119         (type *)&A into &A->field_of_type_and_offset_0
 120         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): When base type
 121         size is unknown, give up.
 122         (maybe_fold_offset_to_component_ref): Ignore firelds with unknown
 123         offsets.
 124         (maybe_fold_offset_to_reference): New.
 125         (maybe_fold_stmt_indirect): Use it.
 126         (fold_stmt_r): Fold (type *)&A+offset into A->field_if_type_and_offset.
 127         * gimplify.c (gimplify_conversion): Canonicalize conversions to
 128         field references.
 129         (gimplify_expr): Likewise for plus_expr.
 130
 131 2007-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
 132
 133         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Use
 134         bsi_after_labels.  Always insert statements before bsi.
 135         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
 136         * predict.c (apply_return_prediction): Check for empty blocks.
 137         * cfgexpand.c (lab_rtx_for_bb): New variable.
 138         (label_rtx_for_bb): Do not create new tree labels.
 139         (expand_gimple_basic_block): Add labels recorded in lab_rtx_for_bb.
 140         (tree_expand_cfg): Initialize lab_rtx_for_bb.
 141         * tree-cfg.c (build_tree_cfg): Call cleanup_dead_labels after
 142         creating edges.
 143         (label_for_bb): Add field used.
 144         (update_eh_label, main_block_label): Mark the label used.
 145         (cleanup_dead_labels): Remove unused labels.
 146
 147 2007-05-01  Richard Guenther  <rguenther@suse.de>
 148
 149         * tree-vrp.c (set_value_range): Do not allocate equiv bitmap
 150         if it is not about to be set.
 151         (get_value_range): Do not pre-allocate equiv bitmap.
 152         (update_value_range): No need to clear equiv field.
 153         (add_equivalence): Change prototype to get bitmap pointer.
 154         Allocate bitmap here if it is not already.
 155         (extract_range_from_assert): Do not allocate bitmap here.
 156         Update callers to add_equivalence.
 157         (extract_range_from_ssa_name): Likewise.
 158         (get_vr_for_comparison): New static helper.
 159         (compare_name_with_value): Handle NULL equiv bitmap by
 160         peeling the first iteration of the comparison loop.
 161         Use get_vr_for_comparison.
 162         (compare_names): Handle NULL equiv bitmaps by using fake
 163         ones.  Use get_vr_for_comparison.
 164
 165 2007-04-30  Brooks Moses  <brooks.moses@codesourcery.com>
 166
 167         * double-int.c (mpz_set_double_int): Moved from
 168         tree-ssa-loop-niter.c.
 169         (mpz_get_double_int): Likewise; also, add option to wrap
 170         out-of-range integers.
 171         * double-int.h: New prototypes for above.
 172         * tree.c (get_static_type_bounds): Moved from
 173         tree-ssa-loop-niter.c; now returns TYPE_MIN_VALUE and
 174         TYPE_MAX_VALUE if they exist..
 175         * tree.h: New prototype for above.
 176         * tree-ssa-loop-niter.c: Adjust mpz_to_double_int and
 177         get_type_bounds calls.
 178         (mpz_set_double_int): Move to double-int.c.
 179         (get_type_bounds): Move to tree.c, rename to
 180         get_static_type_bounds.
 181         (mpz_to_double_int): Move to double-int.c, rename to
 182         mpz_get_double_int.
 183
 184 2007-04-30  Bob Wilson  <bob.wilson@acm.org>
 185
 186         * config/xtensa/lib1funcs.asm (__umodsi3, __modsi3): Rearrange so that
 187         DIV0 exception can fall through to a normal return.
 188
 189 2007-04-30  Alexandre Oliva  <aoliva@redhat.com>
 190
 191         PR middle-end/22156
 192         Temporarily revert:
 193         2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
 194         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
 195         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
 196         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
 197         initialize align to silence bogus warning.
 198         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
 199         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
 200         all_no_warning.
 201         (struct sra_walk_fns): Remove use_all parameter from use.
 202         (sra_hash_tree): Handle BIT_FIELD_REFs.
 203         (sra_elt_hash): Don't hash bitfld blocks.
 204         (sra_elt_eq): Skip them in parent compares as well.  Handle
 205         BIT_FIELD_REFs.
 206         (sra_walk_expr): Don't maintain or pass down use_all_p.
 207         (scan_use): Remove use_all parameter.
 208         (scalarize_use): Likewise.  Re-expand assignment to
 209         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
 210         output, and re-scalarize after output.  Don't mark anything
 211         for no warning.
 212         (scalarize_ldst): Adjust.
 213         (scalarize_walk_gimple_modify_statement): Likewise.
 214         (build_element_name_1): Handle BIT_FIELD_REFs.
 215         (instantiate_element): Don't warn for any element whose parent
 216         is used as a whole.
 217         (instantiate_missing_elements_1): Return the sra_elt.
 218         (canon_type_for_field): New.
 219         (try_instantiate_multiple_fields): New.
 220         (instantiate_missing_elemnts): Use them.
 221         (mark_no_warning): Removed.
 222         (generate_one_element_ref): Handle BIT_FIELD_REFs.
 223         (REPLDUP, sra_build_elt_assignment): New.
 224         (generate_copy_inout): Use them.
 225         (generate_element_copy): Likewise.  Handle bitfld differences.
 226         (generate_element_zero): Don't recurse for blocks.  Use
 227         sra_build_elt_assignment.
 228         (generate_one_element_int): Take elt instead of var.  Use
 229         sra_build_elt_assignment.
 230         (generate_element_init_1): Adjust.
 231         (scalarize_use, scalarize_copy): Use REPLDUP.
 232         (scalarize_ldst): Move assert before dereference.
 233         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
 234
 235 2007-04-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 236
 237         PR C++/31721
 238         * tree.c (reconstruct_complex_type): Reconstruct a reference
 239         correctly.
 240         Also use the same mode for the pointer as the old pointer type.
 241
 242 2007-04-30  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
 243
 244         * doc/trouble.texi (Interoperation): Remove note about Ultrix
 245         Fortran compiler.
 246
 247 2007-04-29  Zdenek Dvorak  <dvorakz@suse.cz>
 248
 249         PR rtl-optimization/31676
 250         * df-scan.c (record_nonlocal_goto_receiver_defs): New function.
 251         (df_refs_record): Call it.
 252
 253 2007-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
 254
 255         * rtl.def (SS_ABS): New code.
 256         * config/bfin/bfin.c (print_operand): New modifier 'v'.
 257         (enum bfin_builtins): Add BFIN_BUILTIN_SUM_2X16, BFIN_BUILTIN_ABS_1x32,
 258         BFIN_BUILTIN_ROUND_1x32, BFIN_BUILTIN_MULT_1x32x32,
 259         BFIN_BUILTIN_MULT_1x32x32NS, BFIN_BUILTIN_SSASHIFT_1x32.
 260         (bfin_init_builtins): Define them.
 261         (bdesc_1arg, bdesc_2arg): Add some of them here, ...
 262         (bfin_expand_builtin): ... and handle the others here.
 263         * config/bfin/bfin.md (ssabssi2, ssroundsi2, ssashiftsi3,
 264         flag_mul_macv2hi_parts_acconly_andcc0): New patterns.
 265         (ss_absv2hi2): Renamed from absv2hi; use ss_abs code.
 266         (ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3): Shift count
 267         operand is only HImode.
 268
 269 2007-04-29  Steven Bosscher  <steven@gcc.gnu.org>
 270
 271         * regclass.c (scan_one_insn): Remove splitting of
 272         two address insns.
 273
 274 2007-04-28  Sandra Loosemore  <sandra@codesourcery.com>
 275             Nigel Stephens  <nigel@mips.com>
 276
 277         * config/mips/mips.h (SLOW_BYTE_ACCESS): Turn off for MIPS16.
 278
 279 2007-04-28  Jan Hubicka  <jh@suse.cz>
 280
 281         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
 282         insn_locators_alloc instead of insn_locators_initialize;
 283         call reset_block_changes.
 284         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
 285         * config/sh/sh.c (sparc_output_mi_thunk): Likewise.
 286         * config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
 287         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
 288         * config/score/score.c (th_output_mi_thunk): Likewise.
 289         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
 290         * cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
 291         tolerate uninitialized locator info.
 292
 293         Re-apply:
 294         * function.c (init_function_start): Don't init line number info.
 295         (expand_function_end): Update.
 296         (reset_block_changes, record_block_change, finalize_block_changes,
 297         check_block_change, free_block_changes): Kill.
 298         * function.h (reset_block_changes, record_block_change,
 299         finalize_block_changes, check_block_change, free_block_changes): Remove
 300         prototypes.
 301         (struct function): Remove ib_boundaries_block.
 302         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
 303         Use curr_insn_locator to initialize locator.
 304         (emit_line_note): Remove.
 305         * cfgexpand.c (expand_gimple_cond_expr): Update.
 306         (construct_exit_block): Likewise.
 307         (tree_expand_cfg): Initialize/finalize locators.
 308         * expr.c (expand_expr_real): Update.
 309         * cfglayout.c (line_locators_locs, line_locators_lines,
 310         file_locators_locs, file_locators_files): Remove.
 311         (set_block_levels): Move to cfgexpand.c.
 312         (insn_locators_initialize): Remove.
 313         (pass_insn_locators_initialize): Remove.
 314         (locations_locators_locs, locations_locators_vals): New static vars.
 315         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
 316         Likewise.
 317         (insn_locators_alloc, insn_locators_finalize,
 318         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
 319         New functions.
 320         (locator_location): New.
 321         (locator_line, locator_file): Rewrite.
 322         * rtl.h (emit_line_note): Kill.
 323         (insn_locators_alloc, insn_locators_finalize,
 324         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
 325         Declare.
 326         * tree-inline.c (initialize_cfun): Do not initialize
 327         ib_boundaries_block.
 328         * passes.c (pass_insn_locators_initialize): Remove.
 329
 330 2007-04-28  Zdenek Dvorak  <dvorakz@suse.cz>
 331
 332         * tree-cfg.c (move_block_to_fn): Release bb from dominance
 333         info.  Update last_basic_block correctly.
 334
 335 2007-04-27  Kaz Kojima  <kkojima@gcc.gnu.org>
 336
 337         PR target/31701
 338         * config/sh/sh.c (output_stack_adjust): Avoid using the frame
 339         register itself to hold the offset constant.  Tell flow the use
 340         of r4 and r5 when they are used.
 341
 342 2007-04-27  Richard Guenther  <rguenther@suse.de>
 343
 344         * tree-ssa-forwprop.c (forward_propagate_into_cond): Keep track
 345         if we simplified anything.
 346         (tree_ssa_forward_propagate_single_use_vars): Defer overflow
 347         warnings until we did a simplification and the stmt was not
 348         marked as TREE_NO_WARNING.
 349
 350 2007-04-27  Mike Stump  <mrs@apple.com>
 351
 352         * config/rs6000/darwin.h (ALWAYS_PUSH_CONSTS_USING_REGS_P): Remove.
 353
 354 2007-04-27  Ian Lance Taylor  <iant@google.com>
 355
 356         PR middle-end/31710
 357         * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
 358         TYPE_MAX_VALUE exist, convert them to the new type.
 359
 360 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
 361
 362         * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info
 363         if it claims to be available.
 364         * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when
 365         edge is redirected.
 366         (perform_tree_ssa_dce): Always free postdominators.
 367
 368 2007-04-27  Richard Henderson  <rth@redhat.com>
 369
 370         * config/alpha/predicates.md (aligned_memory_operand): Mark
 371         as define_special_predicate.
 372         (unaligned_memory_operand, normal_memory_operand): Likewise.
 373         (reg_or_unaligned_mem_operand): Remove.
 374         (any_memory_operand): Match the documentation and check for
 375         non-renumbered pseudos during reload.
 376         * config/alpha/alpha.c (alpha_secondary_reload): Rename from
 377         alpha_secondary_reload_class, update to new interface, make static.
 378         Handle CQImode like HImode.  Remove FP subreg check.
 379         (alpha_expand_mov): Use replace_equiv_address.
 380         (alpha_expand_mov_nobwx): Use any_memory_operand.
 381         (TARGET_SECONDARY_RELOAD): New.
 382         * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove.
 383         (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
 384         * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ...
 385         * config/alpha/alpha.md: ... here.
 386         (RELOAD12, reloadmode): New.
 387         (movcqi): New.
 388         (reload_in<RELOAD12>): Macro-ize from reload_inqi, reload_inhi.
 389         Don't handle the aligned case here.
 390         (reload_out<RELOAD12>): Macro-ize from reload_outqi, reload_outhi.
 391         (reload_in<I12MODE>_aligned): Macro-ize from reload_inqi_help,
 392         reload_inhi_help.  Don't expect a scratch register.
 393         (reload_out<I12MODE>_aligned): Macro-ize from reload_outqi_help,
 394         reload_outhi_help.
 395         * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove.
 396
 397 2007-04-27  Richard Guenther  <rguenther@suse.de>
 398
 399         * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo.
 400
 401 2007-04-27  Richard Guenther  <rguenther@suse.de>
 402
 403         PR tree-optimization/30965
 404         PR tree-optimization/30978
 405         * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H).
 406         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove.
 407         (find_equivalent_equality_comparison): Likewise.
 408         (simplify_cond): Likewise.
 409         (get_prop_source_stmt): New helper.
 410         (get_prop_dest_stmt): Likewise.
 411         (can_propagate_from): Likewise.
 412         (remove_prop_source_from_use): Likewise.
 413         (combine_cond_expr_cond): Likewise.
 414         (forward_propagate_comparison): New function.
 415         (forward_propagate_into_cond): Rewrite to use fold for
 416         tree combining.
 417         (tree_ssa_forward_propagate_single_use_vars): Call
 418         forward_propagate_comparison to propagate comparisons.
 419
 420 2007-04-27  Richard Guenther  <rguenther@suse.de>
 421
 422         PR tree-optimization/31715
 423         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make
 424         sure to do computation on the offset in an appropriate
 425         signed type.
 426
 427 2007-04-27  Richard Sandiford  <richard@codesourcery.com>
 428
 429         * reload.h (elimination_target_reg_p): Declare.
 430         * reload.c (find_reloads): Don't apply the reg_rtx move
 431         optimization if the SET_DEST satisfies elimination_target_reg_p.
 432         * reload1.c (elimination_target_reg_p): New function.
 433         (gen_reload): In the move/add2 fallback, make sure that op0
 434         does not overlap the destination register.
 435
 436 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
 437
 438         * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
 439         transform only GIMPLE_MODIFY_STMTs.
 440         * tree-complex.c (expand_complex_operations_1): Ditto.
 441         (expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
 442         * tree-ssa-loop-manip.c (build_if_stmt): Removed.
 443         (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
 444         branches.
 445         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
 446         tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
 447         * omp-low.c (expand_parallel_call, expand_omp_for_generic,
 448         expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
 449         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
 450         slpeel_add_loop_guard): Ditto.
 451         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
 452         * lambda-code.c (perfect_nestify): Ditto.
 453         * tree-iterator.c (tsi_split_statement_list_before): Fix splitting
 454         before the first statement.
 455         * tree-optimize.c (execute_free_datastructures): Fix comments.
 456         (execute_free_cfg_annotations): Do not call disband_implicit_edges.
 457         * tree-flow.h (disband_implicit_edges): Declaration removed.
 458         * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
 459         branches.
 460         (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
 461         without gotos.
 462         (disband_implicit_edges, has_label_p): Removed.
 463         (tree_verify_flow_info): Verify that COND_EXPR branches are empty.
 464         (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
 465         branches.
 466         * tree.c (build3_stat): Mark COND_EXPRs used as statements as having
 467         side effects.
 468         * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
 469         also for COND_EXPRs.
 470         * cfgexpand.c (label_rtx_for_bb): New function.
 471         (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
 472         Use label_rtx_for_bb to find the labels.
 473         (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
 474         last block.  Detect fallthru edges.
 475
 476 2007-04-26  Ian Lance Taylor  <iant@google.com>
 477
 478         PR target/28675
 479         * reload.c (find_reloads_subreg_address): If the address was valid
 480         in the original mode but not in the new mode, reload the whole
 481         address.
 482
 483 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
 484
 485         * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable.
 486         (remove_fallthru_edge): Use remove_edge_and_dominated_blocks.
 487         (cleanup_control_expr_graph): Do not invalidate dominance info.
 488         Record altered blocks.
 489         (cleanup_control_flow, cleanup_forwarder_blocks): Removed.
 490         (cleanup_control_flow_bb, split_bbs_on_noreturn_calls,
 491         cleanup_tree_cfg_bb): New functions.
 492         (remove_forwarder_block): Do not maintain the worklist of blocks.
 493         Record altered blocks.
 494         (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs,
 495         not over whole cfg.
 496         (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1.  Only call
 497         delete_unreachable_blocks if dominators are not available.
 498         * tree-inline.c (optimize_inline_calls): Free dominance information
 499         earlier.
 500         * tree-flow.h (remove_edge_and_dominated_blocks,
 501         cfgcleanup_altered_bbs): Altered.
 502         * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered
 503         blocks.
 504         (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New
 505         functions.
 506         (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks,
 507         do not invalidate dominators.
 508
 509 2007-04-26  Anatoly Sokolov <aesok@post.ru>
 510
 511         * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and
 512         ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
 513         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
 514         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
 515
 516 2007-04-26  Steve Ellcey  <sje@cup.hp.com>
 517
 518         * config/ia64/ia64.md (ip_value):  Fix itanium_class attribute.
 519
 520 2007-04-26  Richard Guenther  <rguenther@suse.de>
 521
 522         PR tree-optimization/31703
 523         * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use
 524         the right type for the target of the bittest.
 525
 526 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
 527
 528         * config/i386/vx-common.h (RETURN_IN_MEMORY): Use
 529         ix86_sol10_return_in_memory.
 530
 531 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
 532
 533         * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused
 534         variables.
 535
 536 2007-04-26  Jakub Jelinek  <jakub@redhat.com>
 537
 538         PR c++/31598
 539         * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.
 540
 541         PR tree-optimization/30558
 542         * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
 543         clear this_state.prev_try.
 544
 545 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
 546             Mark Mitchell  <mark@codesourcery.com>
 547
 548         * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare.
 549         * config/i386/i386.c (ix86_sol10_return_in_memory): New function.
 550         * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it.
 551
 552 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
 553
 554         PR driver/31107
 555         * doc/invoke.texi (%:print-asm-header): Document.
 556         * gcc.c (asm_options): Use %:print-asm-header() for --target-help
 557         and -ftarget-help.
 558         (static_spec_functions): Add print-asm-header.
 559         (main): Print a banner before the --target-help linker options.
 560         (print_asm_header_spec_function): New function.
 561
 562 2007-04-25  Kaz Kojima  <kkojima@gcc.gnu.org>
 563
 564         PR target/31403
 565         * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A.
 566         (movsf_ie): Likewise.
 567
 568 2007-04-25  Paolo Carlini  <pcarlini@suse.de>
 569
 570         * doc/extend.texi ([Type Traits]): Adjust per N2255.
 571
 572 2007-04-25  Bob Wilson  <bob.wilson@acm.org>
 573
 574         * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Throw an exception
 575         for divide-by-zero.
 576         (__umodsi3, __modsi3): Likewise.
 577
 578 2007-04-25  Dirk Mueller  <dmueller@suse.de>
 579
 580         * c-typeck.c (build_compound_expr): Annotate warning()
 581         call with OPT_Wunused_value.
 582         * tree-ssa.c (warn_uninit): Annotate warning with
 583         OPT_Wunintialized.
 584         * c-common.c (handle_sentinel_attribute): Annotate warning
 585         call with OPT_Wattributes.
 586
 587 2007-04-25  Thiemo Seufer  <ths@mips.com>
 588
 589         * config/mips/mips.opt (mdmx, mmt, mno-mdmx): New options.
 590         (mips16): Fix typo.
 591         * config/mips/mips.h (ASM_SPEC): Pass -mmt/-mno-mt and -mdmx/-mno-mdmx
 592         on to the assembler.  Improve handling of -mno-mips16.  Add handling
 593         of -mno-mips3d, -mno-dsp, -mno-dspr2.
 594         * doc/invoke.texi (MIPS Options): Whitespace cleanup.  Fix wrong use
 595         of @itemx.  Document -mno-dsp, -mno-dspr2, -mno-paired-single, -mdmx,
 596         -mno-mdmx, -mno-mips3d, -mmt and -mno-mt.
 597
 598 2007-04-25  Danny Smith  <dannysmith.users.sourceforge.net>
 599
 600         PR target/31680
 601         * config/i386/winnt.c (i386_pe_file_end): Strip only
 602         USER_LABEL_PREFIX when writing export name.
 603
 604 2007-04-25  Richard Sandiford  <richard@codesourcery.com>
 605
 606         * config.gcc (sh-wrs-vxworks): Don't include dbxelf.h.  Include
 607         sh/elf.h, vx-common.h and vxworks.h.
 608         * config/sh/sh.h: Include config/vxworks-dummy.h.
 609         (SUBTARGET_OVERRIDE_OPTIONS): Define.
 610         (OVERRIDE_OPTIONS): Use it.
 611         * config/sh/sh.md (GOTaddr2picreg): Add suport for VxWorks RTPs.
 612         (vxworks_picreg): New pattern.
 613         * config/sh/vxworks.h (TARGET_OS_CPP_BUILTINS): Use
 614         VXWORKS_OS_CPP_BUILTINS.
 615         (LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine
 616         to their VXWORKS_* equivalents.
 617         (SUBTARGET_OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
 618         (SUBTARGET_LINK_EMUL_SUFFIX, FUNCTION_PROFILER): Define.
 619         * config/sh/lib1funcs.asm (NO_FPSCR_VALUES): Define for VxWorks PIC.
 620         (set_fpscr, ic_invalidate): Add VxWorks PIC sequences.
 621         * config/sh/t-vxworks (MULTILIB_OPTIONS): Add m4a, -mrtp and
 622         -mrtp/-fPIC multilibs.
 623         (MULTILIB_EXCEPTIONS): Generalize globs accordingly.
 624         (MULTILIB_MATCHES, EXTRA_MULTILIB_PARTS): Define.
 625         (MULTILIB_OSDIRNAMES): Delete.
 626
 627 2007-04-25  Anatoly Sokolov <aesok@post.ru>
 628
 629         PR target/18989
 630         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
 631
 632 2007-04-24  Brooks Moses  <brooks.moses@codesourcery.com>
 633
 634         * real.c (mpfr_from_real): Handle Inf and NaN, and allow the
 635         rounding mode to be specified by the caller.
 636         (real_to_mpfr) Likewise.
 637         * real.h: Update mpfr_from_real, mpfr_to_real prototypes to
 638         include new arguments.
 639         * builtins.c: Update mpfr_from_real, mpfr_to_real calls.
 640
 641 2007-04-24  Ian Lance Taylor  <iant@google.com>
 642
 643         PR tree-optimization/31605
 644         * tree-vrp.c (set_value_range): Check that min and max are not
 645         both overflow infinities.
 646         (set_value_range_to_value): New static function.
 647         (extract_range_from_binary_expr): Call set_value_range_to_value.
 648         (extract_range_from_cond_expr): Likewise.
 649         (extract_range_from_expr): Likewise.
 650         (extract_range_from_unary_expr): Likewise.  Don't create a range
 651         which overflows on both sides.
 652         (vrp_meet): Check for a useless range.
 653         (vrp_visit_phi_node): If we see a constant which looks like an
 654         overflow infinity, turn off the TREE_OVERFLOW flag.
 655
 656 2007-04-24  Ian Lance Taylor  <iant@google.com>
 657
 658         * flow.c (elim_reg_cond): Handle a comparison of a subreg.
 659
 660 2007-04-24  Simon Martin  <simartin@users.sourceforge.net>
 661
 662         PR diagnostic/25923
 663         * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
 664         diagnostic message is being built.
 665         * tree-pretty-print.c (dump_generic_node): Only write the
 666         formatted text into BUFFER's stream if we are not building a
 667         diagnostic message.
 668         * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
 669         dump_generic_node.
 670         * Makefile.in (toplev.o): Depend on tree-pass.h.
 671
 672 2007-04-24  Ian Lance Taylor  <iant@google.com>
 673
 674         PR tree-optimization/31602
 675         * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
 676         conditionals in the copied loop header.
 677         * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
 678         warnings if TREE_NO_WARNING is set.
 679         * doc/invoke.texi (Warning Options): Clarify that
 680         -Wstrict-overflow does not warn about loops.
 681
 682 2007-04-24  Janis Johnson  <janis187@us.ibm.com>
 683
 684         * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
 685         expand on the comment about _Decimal128 arguments and check the
 686         integer result of the modulus operation; for 64-bit ELF ABI, ensure
 687         that _Decimal128 argument uses even/odd register pair.
 688         (function_arg): Ditto.
 689
 690 2007-04-24  Hui-May Chang <hm.chang@apple.com>
 691
 692         * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
 693         instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
 694
 695 2007-04-24  Richard Guenther  <rguenther@suse.de>
 696             Olga Golovanevsky  <olga@il.ibm.com>
 697
 698         * fold-const.c (multiple_of_p): Check for bottom
 699         to be zero.
 700
 701 2007-04-24  Richard Henderson  <rth@redhat.com>
 702
 703         * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from
 704         IS_IBM_EXTENDED.  Also define in terms of WIDEST_HARDWARE_FP_SIZE.
 705         * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
 706         looking for non-zero bits shifted out.  Avoid a recursive call
 707         when constructing the scalar.
 708         (__floatundisf): Likewise.
 709
 710 2007-04-24  Nathan Froyd  <froydnj@codesourcery.com>
 711
 712         * dwarf2out.c (field_byte_offset): Move the existing logic
 713         under the control of PCC_BITFIELD_TYPE_MATTERS and just use
 714         the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
 715
 716 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
 717
 718         PR target/31641
 719         * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant length
 720         argument of 0 for memset.
 721         (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
 722         unsigned shift instead of the signed variant.
 723
 724 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
 725
 726         * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
 727         "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
 728         "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
 729         "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
 730         "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
 731         "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
 732         "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
 733         "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
 734         "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
 735         ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
 736         "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
 737         "mul<mode>3", "div<mode>3"): Insn definitions added.
 738         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
 739         "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
 740         to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
 741         ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
 742         "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
 743         "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
 744         ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
 745         * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
 746         TARGET_FLOAT_FORMAT): Macro definitions removed.
 747         (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
 748         * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
 749         z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
 750         (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
 751         (s390_gen_rtx_const_DI): Function removed.
 752         * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
 753
 754 2007-04-24  Richard Sandiford  <richard@codesourcery.com>
 755
 756         * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
 757         over an external ffs function.
 758
 759 2007-04-24  Chao-ying Fu  <fu@mips.com>
 760             Richard Sandiford  <richard@nildram.co.uk>
 761
 762         * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
 763         * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
 764         (smadd_widen_optab, umadd_widen_optab): Define.
 765         * optabs.c (init_optabs): Initialize smadd_widen_optab and
 766         umadd_widen_optab.
 767         * genopinit.c (optabs): Fill in smadd_widen_optab and
 768         umadd_widen_optab.
 769         * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
 770         and umadd_widen_optab to implement multiply-add sequences.
 771         * config/mips/mips.md (*<su>mul_acc_di): Rename to...
 772         (<u>maddsidi4): ...this.  Extend condition to include
 773         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
 774         of operand 0 to "ka" and use the three-operand form of madd<u>
 775         for TARGET_DSPR2.
 776         * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
 777         to define_expands.
 778         * config/mips/constraints.md (ka): New register constraint.
 779
 780 2007-04-24  Jan Hubicka  <j@suse.cz>
 781
 782         Revert:
 783
 784         2007-04-23  Jan Hubicka  <jh@suse.cz>
 785         * function.c (init_function_start): Don't init line number info.
 786         (expand_function_end): Update.
 787         (reset_block_changes, record_block_change, finalize_block_changes,
 788         check_block_change, free_block_changes): Kill.
 789         * function.h (reset_block_changes, record_block_change,
 790         finalize_block_changes, check_block_change, free_block_changes): Remove
 791         prototypes.
 792         (struct function): Remove ib_boundaries_block.
 793         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
 794         Use curr_insn_locator to initialize locator.
 795         (emit_line_note): Remove.
 796         * cfgexpand.c (expand_gimple_cond_expr): Update.
 797         (construct_exit_block): Likewise.
 798         (tree_expand_cfg): Initialize/finalize locators.
 799         * expr.c (expand_expr_real): Update.
 800         * cfglayout.c (line_locators_locs, line_locators_lines,
 801         file_locators_locs, file_locators_files): Remove.
 802         (set_block_levels): Move to cfgexpand.c.
 803         (insn_locators_initialize): Remove.
 804         (pass_insn_locators_initialize): Remove.
 805         (locations_locators_locs, locations_locators_vals): New static vars.
 806         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
 807         Likewise.
 808         (insn_locators_alloc, insn_locators_finalize,
 809         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
 810         New functions.
 811         (locator_location): New.
 812         (locator_line, locator_file): Rewrite.
 813         * rtl.h (emit_line_note): Kill.
 814         (insn_locators_alloc, insn_locators_finalize,
 815         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
 816         Declare.
 817         * tree-inline.c (initialize_cfun): Do not initialize
 818         ib_boundaries_block.
 819         * passes.c (pass_insn_locators_initialize): Remove.
 820
 821 2007-04-24  Daniel Franke  <franke.daniel@gmail.com>
 822
 823         * doc/invoke.texi: Removed leading '-' from option index entries.
 824
 825 2007-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
 826
 827         * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
 828         Use phi_nodes_ptr.
 829         (create_phi_node): Use set_phi_nodes.
 830         * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
 831         * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
 832         (combine_blocks):  Use bb_stmt_list and set_bb_stmt_list.
 833         * tree-flow-inline.h (phi_nodes, set_phi_nodes,
 834         (bsi_start, bsi_last): Use bb_stmt_list.
 835         (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
 836         * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
 837         Traverse the statements using tsi iterator.
 838         * basic-block.h (struct basic_block_def): Fields stmt_list
 839         and phi_nodes moved to ...
 840         (struct tree_bb_info): ... new structure.
 841         * tree-cfg.c (create_bb): Allocate il.tree.  Use set_bb_stmt_list.
 842         (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
 843         (remove_bb): Handle blocks with NULL stmt list.  Clear il.tree field.
 844         (tree_verify_flow_info): Verify that il.tree is not set for
 845         entry and exit block.
 846         (tree_split_block): Use set_bb_stmt_list.
 847
 848 2007-04-23  Mike Stump  <mrs@apple.com>
 849
 850         * config/i386/i386.c (ix86_tune_features
 851         [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
 852         nocona and core2.
 853
 854 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
 855
 856         * config/i386/i386.md (prefix_extra): New attribute.
 857         (length): Add prefix_extra.
 858
 859         * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
 860         (sse2_movntv2di): Likewise.
 861         (sse2_cvtps2dq): Likewise.
 862         (sse2_cvtpd2pi): Likewise.
 863         (sse2_cvttpd2pi): Likewise.
 864         (*sse2_cvtpd2ps): Likewise.
 865         (*add<mode>3): Likewise.
 866         (sse2_ssadd<mode>3): Likewise.
 867         (sse2_usadd<mode>3): Likewise.
 868         (*sub<mode>3): Likewise.
 869         (sse2_sssub<mode>3): Likewise.
 870         (sse2_ussub<mode>3): Likewise.
 871         (*mulv8hi3): Likewise.
 872         (*smulv8hi3_highpart): Likewise.
 873         (*umulv8hi3_highpart): Likewise.
 874         (sse2_umulv2siv2di3): Likewise.
 875         (sse2_pmaddwd): Likewise.
 876         (ashr<mode>3): Likewise.
 877         (lshr<mode>3): Likewise.
 878         (ashl<mode>3): Likewise.
 879         (sse2_ashlti3): Likewise.
 880         (sse2_lshrti3): Likewise.
 881         (*umaxv16qi3): Likewise.
 882         (*smaxv8hi3): Likewise.
 883         (*uminv16qi3): Likewise.
 884         (*sminv8hi3): Likewise.
 885         (sse2_eq<mode>3): Likewise.
 886         (sse2_gt<mode>3): Likewise.
 887         (*and<mode>3): Likewise.
 888         (sse2_nand<mode>3): Likewise.
 889         (*ior<mode>3): Likewise.
 890         (*xor<mode>3): Likewise.
 891         (sse2_packsswb): Likewise.
 892         (sse2_packssdw): Likewise.
 893         (sse2_packuswb): Likewise.
 894         (sse2_punpckhbw): Likewise.
 895         (sse2_punpcklbw): Likewise.
 896         (sse2_punpckhwd): Likewise.
 897         (sse2_punpcklwd): Likewise.
 898         (sse2_punpckhdq): Likewise.
 899         (sse2_punpckldq): Likewise.
 900         (sse2_punpckhqdq): Likewise.
 901         (sse2_punpcklqdq): Likewise.
 902         (*sse2_pinsrw): Likewise.
 903         (*sse2_pextrw): Likewise.
 904         (sse2_pshufd_1): Likewise.
 905         (sse2_uavgv16qi3): Likewise.
 906         (sse2_uavgv8hi3): Likewise.
 907         (sse2_psadbw): Likewise.
 908         (sse2_pmovmskb): Likewise.
 909         (*sse2_maskmovdqu): Likewise.
 910         (*sse2_maskmovdqu_rex64): Likewise.
 911         (sse4a_extrqi): Likewise.
 912         (sse4a_extrq): Likewise.
 913         (sse3_lddqu): Set prefix_rep.
 914         (sse3_addsubv4sf3): Likewise.
 915         (sse3_haddv4sf3): Likewise.
 916         (sse3_hsubv4sf3): Likewise.
 917         (sse_cvtss2si): Likewise.
 918         (sse_cvtss2si_2): Likewise.
 919         (sse_cvtss2siq): Likewise.
 920         (sse_cvtss2siq_2): Likewise.
 921         (sse_cvttss2si): Likewise.
 922         (sse_cvttss2siq): Likewise.
 923         (sse2_cvttps2dq): Likewise.
 924         (sse3_movshdup): Likewise.
 925         (sse3_movsldup): Likewise.
 926         (sse2_cvtsd2si): Likewise.
 927         (sse2_cvtsd2si_2): Likewise.
 928         (sse2_cvtsd2siq): Likewise.
 929         (sse2_cvtsd2siq_2): Likewise.
 930         (sse2_cvttsd2si): Likewise.
 931         (sse2_cvttsd2siq): Likewise.
 932         (*sse2_cvtpd2dq): Likewise.
 933         (*sse2_cvttpd2dq): Likewise.
 934         (sse2_pshuflw_1): Likewise.
 935         (sse2_pshufhw_1): Likewise.
 936         (sse4a_insertqi): Likewise.
 937         (sse4a_insertq): Likewise.
 938         (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
 939         (ssse3_phadddv4si3): Likewise.
 940         (ssse3_phaddswv8hi3): Likewise.
 941         (ssse3_phsubwv8hi3): Likewise.
 942         (ssse3_phsubdv4si3): Likewise.
 943         (ssse3_phsubswv8hi3): Likewise.
 944         (ssse3_pmaddubswv8hi3): Likewise.
 945         (ssse3_pmulhrswv8hi3): Likewise.
 946         (ssse3_pshufbv16qi3): Likewise.
 947         (ssse3_psign<mode>3): Likewise.
 948         (ssse3_palignrti): Likewise.
 949         (abs<mode>2): Likewise.
 950         (ssse3_phaddwv4hi3): Set prefix_extra.
 951         (ssse3_phadddv2si3): Likewise.
 952         (ssse3_phaddswv4hi3): Likewise.
 953         (ssse3_phsubwv4hi3): Likewise.
 954         (ssse3_phsubdv2si3): Likewise.
 955         (ssse3_phsubswv4hi3): Likewise.
 956         (ssse3_pmaddubswv4hi3): Likewise.
 957         (ssse3_pmulhrswv4hi3): Likewise.
 958         (ssse3_pshufbv8qi3): Likewise.
 959         (ssse3_psign<mode>3): Likewise.
 960         (ssse3_palignrdi): Likewise.
 961         (abs<mode>2): Likewise.
 962         (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
 963         (*vec_dupv2df): Set mode to V2DF instead of V4SF.
 964         (sse2_pmovmskb): Set mode to SI instead of V2DF.
 965
 966 2007-04-23  Nick Clifton  <nickc@redhat.com>
 967
 968         * params.def: Fix formatting of emacs local variables.
 969
 970 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
 971
 972         * config/i386/sse.md (sse2_stored): Don't split to inter-unit
 973         move if inter-unit move isn't allowed.
 974         Don't split moving the first element of V2DI to DI to inter-unit
 975         move if inter-unit move isn't allowed.
 976
 977 2007-04-23  Richard Guenther  <rguenther@suse.de>
 978
 979         * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
 980         and CDI_POST_DOMINATORS separately.
 981
 982 2007-04-23  Nick Clifton  <nickc@redhat.com>
 983
 984         * c.opt (Wformat-contains-nul): Add warning attribute.
 985
 986 2007-04-23  Jan Hubicka  <jh@suse.cz>
 987
 988         * function.c (init_function_start): Don't init line number info.
 989         (expand_function_end): Update.
 990         (reset_block_changes, record_block_change, finalize_block_changes,
 991         check_block_change, free_block_changes): Kill.
 992         * function.h (reset_block_changes, record_block_change,
 993         finalize_block_changes, check_block_change, free_block_changes): Remove
 994         prototypes.
 995         (struct function): Remove ib_boundaries_block.
 996         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
 997         Use curr_insn_locator to initialize locator.
 998         (emit_line_note): Remove.
 999         * cfgexpand.c (expand_gimple_cond_expr): Update.
1000         (construct_exit_block): Likewise.
1001         (tree_expand_cfg): Initialize/finalize locators.
1002         * expr.c (expand_expr_real): Update.
1003         * cfglayout.c (line_locators_locs, line_locators_lines,
1004         file_locators_locs, file_locators_files): Remove.
1005         (set_block_levels): Move to cfgexpand.c.
1006         (insn_locators_initialize): Remove.
1007         (pass_insn_locators_initialize): Remove.
1008         (locations_locators_locs, locations_locators_vals): New static vars.
1009         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
1010         Likewise.
1011         (insn_locators_alloc, insn_locators_finalize,
1012         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1013         New functions.
1014         (locator_location): New.
1015         (locator_line, locator_file): Rewrite.
1016         * rtl.h (emit_line_note): Kill.
1017         (insn_locators_alloc, insn_locators_finalize,
1018         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1019         Declare.
1020         * tree-inline.c (initialize_cfun): Do not initialize
1021         ib_boundaries_block.
1022         * passes.c (pass_insn_locators_initialize): Remove.
1023
1024 2007-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1025
1026         PR middle-end/31448
1027         * expr.c (reduce_to_bit_field_precision): Handle
1028         CONST_INT rtx's.
1029
1030 2007-04-22  Uros Bizjak  <ubizjak@gmail.com>
1031
1032         PR tree-optimization/24659
1033         * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
1034         OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
1035         (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
1036         * genopinit.c (optabs): Rename vec_pack_mod_optab
1037         to vec_pack_trunc_optab.
1038         * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
1039         early for scalar floating point operands for NOP_EXPR.
1040         (vectorizable_type_promotion): Ditto.
1041         * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
1042         vec_pack_trunc_optab.
1043         (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
1044
1045         * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
1046         * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
1047         Rename from VEC_PACK_MOD_EXPR.
1048         (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
1049         * expr.c (expand_expr_real_1): Ditto.
1050         * tree-inline.c (estimate_num_insns_1): Ditto.
1051         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
1052
1053         * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
1054         (vec_unpacks_lo_v4sf): Ditto.
1055         (vec_pack_trunc_v2df): Ditto.
1056         (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
1057         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
1058         (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
1059
1060         * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
1061         vec_pack_mod_v8hi.
1062         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
1063
1064         * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
1065         Rename from VEC_PACK_MOD_EXPR.  This expression also represent
1066         packing of floating point operands.
1067         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
1068         represent unpacking of floating point operands.
1069         * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
1070         [vec_unpacks_hi]: Ditto.
1071         [vec_unpacks_lo]: Ditto.
1072
1073 2007-04-22  Jan Hubicka  <jh@suse.cz>
1074
1075         * final.c (rest_of_handle_final): Call
1076         targetm.asm_out.constructor/targetm.asm_out.destructor
1077         * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
1078         proper priority via decl_*_priority_insert.
1079         * c-common.c (c_expand_body): Likewise.
1080
1081 2007-04-22  Richard Guenther  <rguenther@suse.de>
1082
1083         PR tree-optimization/29789
1084         * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
1085         (rewrite_reciprocal): New helper split out from
1086         determine_invariantness_stmt.
1087         (rewrite_bittest): Likewise.
1088         (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
1089         A & (1 << B) if (1 << B) is loop invariant but (A >> B)
1090         is not.
1091
1092 2007-04-22  Revital Eres  <eres@il.ibm.com>
1093
1094         * loop-unroll.c (var_to_expand): New field to support also
1095         insns of the form x = something + x.
1096         (analyze_insn_to_expand_var): Use it.
1097         (expand_var_during_unrolling): Likewise.
1098
1099 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
1100
1101         * predict.c: Include pointer-set.h.
1102         (bb_predictions): New variable.
1103         (tree_predicted_by_p, tree_predict_edge,
1104         remove_predictions_associated_with_edge): Use bb_predictions map
1105         instead of bb->predictions.
1106         (clear_bb_predictions, assert_is_empty): New functions.
1107         (combine_predictions_for_bb): Use bb_predictions map.  Call
1108         clear_bb_predictions.
1109         (tree_estimate_probability): Create and free bb_predictions map.
1110         * Makefile.in (predict.o): Add pointer-set.h dependency.
1111         * basic-block.h (struct basic_block_def): Remove predictions
1112         field.
1113         * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
1114
1115 2007-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
1116
1117         PR target/31480
1118         * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
1119         is null.
1120
1121 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1122
1123         * timevar.c (timevar_print): Change reference of --disable-checking to
1124         --enable-checking=release.  Also warn if assert checking is disabled.
1125
1126 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1127
1128         PR C/30265
1129         * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
1130         decl as addressable if the compound literal was marked as
1131         addressable.
1132         Mark the decl as a gimple register if it is a complex or
1133         vector decl and does not live in memory.
1134
1135 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1136
1137         * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
1138         (GENERIC_NEXT): New function macro.
1139         (PHI_CHAIN): Use phi_node's new chain variable.
1140         (tree_phi_node): Change tree_common to tree_base
1141         and add the chain field.
1142         * tree-phinodes.c (make_phi_node): Don't set
1143         TREE_TYPE on the new node.
1144         * c-decl.c (lang_tree_node): Use GENERIC_NEXT
1145         instead of checking GIMPLE_TUPLE_P in chain_next.
1146         * tree-vect-transform.c
1147         (get_initial_def_for_induction): Look at
1148         PHI_RESULT_TREE for the type of the phi node.
1149         (update_vuses_to_preheader): Use PHI_CHAIN
1150         instead of TREE_CHAIN on the phi node.
1151         * tree-ssa-structalias.c (compute_points_to_sets):
1152         Likewise.
1153         (ipa_pta_execute): Likewise.
1154
1155 2007-04-21  Richard Guenther  <rguenther@suse.de>
1156
1157         PR middle-end/31136
1158         * fold-const.c (fold_unary): Call fold_convert_const on the
1159         original tree.
1160
1161 2007-04-21  Alexandre Oliva  <aoliva@redhat.com>
1162
1163         * gcse.c (store_killed_in_insn): Handle PARALLELs.
1164         (store_killed_in_pat): New.
1165
1166 2007-04-20  Richard Henderson  <rth@redhat.com>
1167
1168         PR target/31628
1169         * config/i386/i386.c (type_has_variadic_args_p): Look for any
1170         TREE_LIST with a void_type_node value, not void_list_node exactly.
1171
1172 2007-04-21  Douglas Gregor  <doug.gregor@gmail.com>
1173
1174         * doc/standards.texi: Re-arrange into language-specific
1175         subsections. Add a C++ section, documenting which standards we
1176         support.
1177
1178 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
1179
1180         * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
1181         * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
1182
1183 2007-04-20  Daniel Jacobowitz  <dan@codesourcery.com>
1184
1185         * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
1186         ecrti.o and crtbegin.o.
1187         (LIB_DEFAULT_SPEC): Include -lc.
1188         (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
1189
1190 2007-04-20  Richard Henderson  <rth@redhat.com>
1191
1192         PR target/28623
1193         * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
1194         argument; update all callers.
1195         (get_unaligned_offset): New.
1196         * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
1197         get_unaligned_address, just pass on the address directly.
1198         (unaligned_extendqidi): Use gen_lowpart instead of open-coding
1199         the subreg in the helper patterns.
1200         (unaligned_extendqidi_le): Use get_unaligned_offset.
1201         (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
1202         (unaligned_extendhidi_be): Likewise.
1203         (unaligned_extendhidi): Tidy.
1204         * config/alpha/alpha-protos.h: Update.
1205
1206 2007-04-20  Richard Henderson  <rth@redhat.com>
1207
1208         * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
1209         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
1210         * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
1211         * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1212         * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1213         (CPP_SPEC): Don't include %(cpp_subtarget).
1214         * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
1215         (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1216         * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
1217
1218 2007-04-20  Jakub Jelinek  <jakub@redhat.com>
1219
1220         * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
1221         for __builtin_ia32_cmpordss.
1222
1223         PR tree-optimization/31632
1224         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
1225         and arg1 for optimizations of comparison against min/max values.
1226         Fold arg0 to arg1's type for optimizations of comparison against
1227         min+1 and max-1 values.
1228
1229 2007-04-19  Bernd Schmidt  <bernd.schmidt@analog.com>
1230
1231         * reload.c (combine_reloads): When trying to use a dying register,
1232         check whether it's uninitialized and don't use if so.
1233
1234 2007-04-19  Brooks Moses  <brooks.moses@codesourcery.com>
1235
1236         * fold-const.c: Remove prototypes for native_encode_expr and
1237         native_interpret_expr.
1238         (native_encode_expr): Make non-static.
1239         (native_interpret_expr): Likewise.
1240         * tree.h: Add prototypes for the above.
1241
1242 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
1243
1244         * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
1245         *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
1246         *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
1247         spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
1248         tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
1249         Add length attributes.
1250
1251 2007-04-19  Janis Johnson  <janis187@us.ibm.com>
1252
1253         * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
1254         not that it is 1.
1255
1256         * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
1257         __STDC_WANT_DEC_FP__.
1258
1259 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
1260
1261         * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
1262         for long double compatibility.
1263         * configure: Regenerate.
1264
1265 2007-04-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
1266
1267         PR rtl-optimization/29841
1268         * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
1269         trap instructions.
1270         * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
1271         that may cause control flow transfer from being moved.
1272
1273 2007-04-18  Jan Hubicka  <jh@suse.cz>
1274
1275         * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
1276         types.
1277
1278 2007-04-18  Eric Christopher  <echristo@apple.com>
1279
1280         * config/rs6000/darwin.md (load_macho_picbase): Use link register
1281         only. Update operands.
1282         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
1283         * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
1284         link register to pic register.
1285
1286 2007-04-18  Dirk Mueller  <dmueller@suse.de>
1287
1288         PR diagnostic/31227
1289         * tree-vrp.c (search_for_addr_array): New.
1290         (check_array_bounds): Suppress warning about
1291         address taken of array refs if its not de-referenced.
1292
1293 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1294
1295         * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
1296         * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
1297
1298         * tree-vectorizer.h (NITERS_KNOWN_P): New.
1299         * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
1300         instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
1301
1302         * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
1303         dump print.
1304         (vect_analyze_operations): Fix indenetation.  Fix a comment.  Fix a
1305         print message.
1306         (vect_analyze_scalar_cycles): Fix indentation.
1307         (vect_enhance_data_refs_alignment): Fix check in case of peeling.
1308         (vect_mark_relevant): Include phis in relevance analysis.
1309
1310         * tree-vect-transform.c (vect_transform_loop): Add an assert.
1311
1312 2007-04-18  Anatoly Sokolov <aesok@post.ru>
1313
1314         * config/avr/avr.c (ptrreg_to_str): Replace error() with
1315         output_operand_lossage().
1316
1317 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1318
1319         * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
1320         the unused code for reduction without adjust-in-epilog to simplify the
1321         function.
1322
1323 2007-04-18  Wolfgang Gellerich  <gellerich@de.ibm.com>
1324
1325         * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
1326         (S390_TDC_NEGATIVE_ZERO): New constant.
1327         (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
1328         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
1329         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
1330         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
1331         (S390_TDC_POSITIVE_INFINITY): New constant.
1332         (S390_TDC_NEGATIVE_INFINITY): New constant.
1333         (S390_TDC_POSITIVE_QUIET_NAN): New constant.
1334         (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
1335         (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
1336         (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
1337         (S390_TDC_INFINITY): New constant.
1338         * config/s390/s390.c (s390_canonicalize_comparison): Renamed
1339         UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
1340         optimization for UNSPEC_CCZ_TO_INT.
1341         * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
1342         ("*ccz_to_int"): New insn.
1343         ("isinf<mode>2"): New insn.
1344         (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
1345         (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
1346         (UNSPEC_CCZ_TO_INT): New constant.
1347
1348 2007-04-18  Richard Guenther  <rguenther@suse.de>
1349
1350         PR tree-optimization/19431
1351         PR tree-optimization/21463
1352         * tree-pass.h (pass_phiprop): Declare.
1353         * passes.c (init_optimization_passes): New phiprop pass.
1354         * tree-ssa-forwprop.c (struct phiprop_d): New structure.
1355         (phivn_valid_p): New helper function.
1356         (phiprop_insert_phi): Likewise.
1357         (propagate_with_phi): Likewise.
1358         (tree_ssa_phiprop): New propagator propagating loads
1359         through phi nodes if profitable.
1360
1361 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1362
1363         * tree-vect-analyze.c (process_use): New function.
1364         (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
1365         Check phis in all bbs.
1366         * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
1367         assert.
1368
1369 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
1370
1371         * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
1372         we use REG_EQUAL.
1373
1374 2007-04-17  Anatoly Sokolov <aesok@post.ru>
1375
1376         PR target/30483
1377         * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
1378         error().
1379
1380 2007-04-17  H.J. Lu  <hongjiu.lu@intel.com>
1381
1382         * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
1383         on "0".
1384         (sse_vmmulv4sf3): Likewise.
1385         (sse2_vmaddv2df3): Likewise.
1386         (sse2_vmmulv2df3): Likewise.
1387
1388 2007-04-17  Zdenek Dvorak  <dvorakz@suse.cz>
1389
1390         PR rtl-optimization/31360
1391         * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
1392         (target_reg_cost): New.
1393         (init_set_costs): Initialize target_reg_cost.  Add comments
1394         regarding the rationale of the costs.
1395         (global_cost_for_size): Renamed to...
1396         (estimate_reg_pressure_cost): ... and simplify.  Decrease importance
1397         of register pressure.
1398         * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
1399         estimate_reg_pressure_cost.  Add number of ivs.
1400         (determine_set_costs): Dump target_reg_cost.
1401         * loop-invariant.c (gain_for_invariant):  Use
1402         estimate_reg_pressure_cost.  Removed n_inv_uses argument.
1403         (best_gain_for_invariant, find_invariants_to_move): Remove
1404         n_inv_uses.
1405         * cfgloop.h (target_small_cost, target_pres_cost): Removed.
1406         (target_reg_cost): Declare.
1407         (global_cost_for_size): Declaration removed.
1408         (estimate_reg_pressure_cost): Declare.
1409
1410 2007-04-17  Peter Bergner  <bergner@vnet.ibm.com>
1411
1412         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
1413         regnos into even/odd register pairs.
1414         * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
1415         TDmode similar to the other floating point modes.
1416         [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
1417         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
1418         define_expand's.
1419         (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
1420         nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
1421         (movdd_hardfloat64): Use TARGET_MFPGPR.
1422
1423 2007-04-17  Bernd Schmidt  <bernd.schmidt@analog.com>
1424
1425         * reload1.c (delete_output_reload): Don't count output in n_inherited.
1426
1427         Revert
1428         2005-01-05  Richard Henderson  <rth@redhat.com>
1429         PR rtl-opt/10692
1430         * reload1.c (do_input_reload): Restrict the optimization deleteing
1431         a previous output reload to RELOAD_FOR_INPUT.
1432
1433 2007-04-17  Dorit Nuzman  <dorit@il.ibm.com>
1434
1435         * tree-vectorizer.h (stmt_vec_info_type): Add enum value
1436         induc_vec_info_type.
1437         (vectorizable_induction): New function declaration.
1438         * tree-vect-transform.c (get_initial_def_for_induction): No need to
1439         check if already vectorized.  Find first place in BB where new stmts
1440         can be inserted.  Takes only one argument.
1441         (vectorizable_induction): New function.
1442         (vect_transform_stmt): Add case for induc_vec_info_type to call
1443         vectorizable_induction.
1444         (vect_transform_loop): Consider phis for vectorization.
1445         * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
1446         condition.
1447         (analyze_operations): Call vectorizable_induction when analyzing phis.
1448         Fix comment.
1449         (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
1450         (vect_mark_relevant): Include phis in relevance analysis.
1451         (vect_mark_stmts_to_be_vectorize): Likewise.
1452         * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
1453
1454 2007-04-16  Lawrence Crowl  <crowl@google.com>
1455
1456         * doc/invoke.texi (Debugging Options): Add documentation for the
1457         -femit-struct-debug options -femit-struct-debug-baseonly,
1458         -femit-struct-debug-reduced, and
1459         -femit-struct-debug-detailed[=...].
1460
1461         * c-opts.c (c_common_handle_option): Add
1462         OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
1463         and OPT_femit_struct_debug_detailed_.
1464         * c.opt: Add specifications for
1465         -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
1466         and -femit-struct-debug-detailed[=...].
1467         * opts.c (set_struct_debug_option): Parse the
1468         -femit-struct-debug-... options.
1469         * opts.c (matches_main_base, main_input_basename,
1470         main_input_baselength, base_of_path, matches_main_base): Add
1471         variables and functions to compare header base name to compilation
1472         unit base name.
1473         * opts.c (should_emit_struct_debug): Add to determine to emit a
1474         structure based on the option.
1475         (dump_struct_debug) Also disabled function to debug this
1476         function.
1477         * opts.c (handle_options): Save the base name of the
1478         compilation unit.
1479
1480         * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
1481         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
1482         This hook indicates if a type is generic.  Set it by default
1483         to "never generic".
1484         * langhooks.h (struct lang_hooks_for_types): Add a new hook
1485         to determine if a struct type is generic or not.
1486         * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
1487         * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
1488         * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
1489         with live C++ hook.
1490
1491         * flags.h (enum debug_info_usage): Add an enumeration to describe
1492         a program's use of a structure type.
1493         * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
1494         to indicate the program's usage of the type.  Filter structs based
1495         on the -femit-struct-debug-... specification.
1496         (gen_type_die): Split into two routines, gen_type_die and
1497         gen_type_die_with_usage.  gen_type_die is now a wrapper
1498         that assumes direct usage.
1499         (gen_type_die_with_usage): Replace calls to gen_type_die
1500         with gen_type_die_with_usage adding the program usage of
1501         the referenced type.
1502         (dwarf2out_imported_module_or_decl): Suppress struct debug
1503         information using should_emit_struct_debug when appropriate.
1504
1505 2007-04-16  Ian Lance Taylor  <iant@google.com>
1506
1507         PR tree-optimization/31522
1508         * tree-vrp.c (vr_phi_edge_counts): New static variable.
1509         (vrp_initialize): Allocate vr_phi_edge_counts.
1510         (vrp_visit_phi_node): Don't push to infinity if we saw a new
1511         executable edge.  Drop test for all constants.
1512         (vrp_finalize): Free vrp_phi_edge_counts.
1513
1514         * doc/cpp.texi (Common Predefined Macros): Clarify description of
1515         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
1516
1517         * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
1518         predecessors at head rather than tail.
1519
1520 2007-04-16  Matthias Klose  <doko@debian.org>
1521
1522         * config/alpha/linux.h (CPP_SPEC): Define.
1523         * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
1524
1525 2007-04-16  Aldy Hernandez  <aldyh@redhat.com>
1526
1527         * function.h: Remove sequence_stack extern declaration.
1528
1529 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
1530
1531         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
1532         TARGET_FIDOA.
1533         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
1534         defined.
1535
1536 2007-04-16  Anatoly Sokolov <aesok@post.ru>
1537
1538         * config/avr/avr.c (avr_arch_types): Rearranging  array.
1539         (enum avr_arch): Add.
1540         (avr_mcu_types): Use avr_arch enumeration constants instead of
1541         numbers.
1542         * config/avr/avr.h (LINK_SPEC): Simplify.
1543
1544 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
1545
1546         * config/m68k/m68k.c (m68k_libcall_value,
1547         m68k_function_value): Use macros for register names more.
1548
1549         * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
1550         instead.
1551         (M68K_REGNAME): Use A6_REG.
1552         * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
1553
1554 2007-04-16  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
1555
1556         PR middle-end/28071
1557         * sched-int.h (struct deps): Split field 'pending_lists_length' into
1558         'pending_read_list_length' and 'pending_write_list_length'.  Update
1559         comment.
1560         * sched-deps.c (add_insn_mem_dependence): Change signature.  Update
1561         to handle two length counters instead of one.  Update all uses.
1562         (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
1563         two length counters instead of one.
1564         * sched-rgn.c (propagate_deps): Update to handle two length counters
1565         instead of one.
1566
1567 2007-04-16  H.J. Lu  <hongjiu.lu@intel.com>
1568
1569         PR target/31582
1570         * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
1571         copy of source, pass it to ix86_expand_vector_set and return
1572         it as target.
1573
1574 2007-04-16  David Ung  <davidu@mips.com>
1575             Joseph Myers  <joseph@codesourcery.com>
1576
1577         * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
1578         PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
1579         * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
1580         Add 74K processor information.
1581         * config/mips/mips.md: Include 74k.md.
1582         (cpu): Add 74kc,74kf,74kx.
1583         (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
1584         * config/mips/74k.md: New.
1585         * doc/invoke.texi (MIPS Options): Document 74K support.
1586
1587 2007-04-16  Dorit Nuzman  <dorit@il.ibm.com>
1588
1589         * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
1590         vectorizable_* functions.
1591         * tree-vect-transform.c (vectorizable_call): Add check for
1592         STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
1593         (vectorizable_store): likewise.
1594         (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
1595         Add comments.
1596         (vectorizable_operation, vectorizable_type_demotion): Likewise.
1597         (vectorizable_type_promotion, vectorizable_load): Likewise.
1598         (vectorizable_live_operation, vectorizable_condition): Likewise.
1599         (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
1600         STMT_VINFO_LIVE_P.
1601         (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
1602
1603 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
1604
1605         * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
1606         register numbers more.
1607         * config/m68k/m68k.h (STACK_POINTER_REGNUM,
1608         FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
1609         M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
1610         FUNCTION_VALUE_REGNO_P): Likewise.
1611         * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
1612         STATIC_CHAIN_REGNUM): Likewise.
1613         * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
1614         * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
1615         STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
1616         * config/m68k/m68k.md (FP_REG): New.
1617
1618 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
1619
1620         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
1621         alignment on fido.
1622
1623 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
1624
1625         * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
1626         tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
1627         comment typos.
1628
1629 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
1630
1631         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
1632         cold loops.
1633
1634 2007-04-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1635
1636         PR c/31520
1637         * c-decl.c (finish_decl): Grab the type of the decl after the call
1638         to store_init_value.
1639
1640 2007-04-14  Steven Bosscher  <steven@gcc.gnu.org>
1641
1642         * common.opt (fforward-propagate): Fix "Optimization" annotation.
1643
1644 2007-04-14  Jakub Jelinek  <jakub@redhat.com>
1645
1646         PR c++/25874
1647         * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
1648         post dominators and cleanup cfg before returning.
1649
1650 2007-04-14  Bernd Schmidt  <bernd.schmidt@analog.com>
1651
1652         * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
1653         * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
1654
1655 2007-04-14  Kazu Hirata  <kazu@codesourcery.com>
1656
1657         * config.gcc: Recognize fido.
1658         * config/m68k/m68k-devices.def (fidoa): New.
1659         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
1660         __mfido__.
1661         (FL_FIDOA, TARGET_FIDOA): New.
1662         * config/m68k/m68k.opt (mfidoa): New.
1663
1664 2007-04-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1665
1666         PR middle-end/31322
1667         * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
1668         when a personality function is used.
1669
1670 2007-04-13  Bob Wilson  <bob.wilson@acm.org>
1671
1672         * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
1673
1674 2007-04-13  Mike Stump  <mrs@apple.com>
1675
1676         * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
1677         we can...
1678         * config/darwin.opt (fapple-kext): Make C++ only.
1679         * config/darwin.c (darwin_override_options): Remove code to ensure
1680         -fapple-kext is given for C++ only.
1681
1682 2007-04-13  Richard Sandiford  <richard@codesourcery.com>
1683
1684         * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
1685         * config/mips/mips.c (override_options): Call
1686         SUBTARGET_OVERRIDE_OPTIONS, if defined.
1687
1688 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1689
1690         * config/i386/i386.opt (msvr3-shlib): Removed.
1691
1692         * doc/invoke.texi: Remove -msvr3-shlib.
1693
1694 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1695
1696         * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
1697         with "popcnt" instruction.
1698
1699 2007-04-13  Richard Guenther  <rguenther@suse.de>
1700
1701         PR tree-optimization/21258
1702         * tree-vrp.c (compare_case_labels): New helper.
1703         (find_switch_asserts): New function.
1704         (find_assert_locations): Call it for SWITCH_EXPRs.
1705
1706 2007-04-13  Uros Bizjak  <ubizjak@gmail.com>
1707
1708         * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
1709         * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
1710         check is now implied in X87_FLOAT_MODE_P.
1711         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
1712         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
1713         (fix_trunc<mode>_i386_fisttp): Ditto.
1714         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
1715         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
1716         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
1717         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
1718         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
1719         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
1720         (unnamed_splitters): Ditto.
1721         * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
1722         for X87_FLOAT_MODE_P mode.  Override FIRST_FLOAT_REG with
1723         FIRST_SSE_REG for local functions when SSE math is enabled or
1724         for functions with sseregparm attribute.
1725         (standard_80387_constant_p): Return -1 if mode is not
1726         X87_FLOAT_MODE_P.
1727         (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
1728         (ix86_expand_compare): Ditto.
1729         (ix86_expand_carry_flag_compare): Ditto.
1730         (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
1731         of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
1732         DECIMAL_FLOAT_MODE_P.
1733         (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
1734         of SCALAR_FLOAT_MODE_P.
1735         (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
1736         [MINUS]: ... here.  Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
1737         checks before FLOAT_MODE_P.
1738         [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
1739         before FLOAT_MODE_P.
1740         [DIV]: Ditto.
1741         [NEG]: Ditto.
1742         [ABS]: Ditto.
1743         [SQRT]: Ditto.
1744         [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
1745
1746 2007-04-12  Paolo Bonzini  <bonzini@gnu.org>
1747             Charles Wilson  <libtool@cwilson.fastmail.fm>
1748
1749         * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
1750         (libgcc.mvars): Don't depend on them.
1751         * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
1752         * exec-tool.in: New.
1753
1754 2007-04-12  Brooks Moses  <brooks.moses@codesourcery.com>
1755
1756         * doc/invoke.text (--help): Document --help=common.
1757
1758 2007-04-12  Thomas Neumann  <tneumann@users.sourceforge.net>
1759
1760         * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
1761
1762 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1763
1764         * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
1765         * genemit.c (main): Emit #include "integrate.h".
1766         * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
1767         (LOADGP_RTP): New mips_loadgp_style.
1768         * config/mips/mips.h: Include config/vxworks-dummy.h.
1769         (TARGET_RTP_PIC): New macro.
1770         (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
1771         (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
1772         (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
1773         for TARGET_RTP_PIC.
1774         * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define.  Pass down
1775         -mvxworks-pic when using -mrtp and a PIC option.
1776         * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
1777         for RTP PIC.
1778         (mips_symbolic_constant_p, mips_symbolic_address_p)
1779         (mips_symbol_insns): Handle SYMBOL_HALF.
1780         (override_options): Warn about -G and -mrtp being used together.
1781         Initialize mips_lo_relocs[SYMBOL_HALF].
1782         (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
1783         (mips_emit_loadgp): Handle LOADGP_RTP.
1784         (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
1785         * config/mips/mips.md (loadgp_rtp): New insn and splitter.
1786         (tablejump): Handle function-relative case table entries if
1787         TARGET_RTP_PIC.
1788         * config/mips/predicates.md (symbol_ref_operand): New predicate.
1789
1790 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1791
1792         * config/mips/mips.md (load_call<mode>): Allow any general register.
1793         destination.
1794         (sibcall_value_internal, sibcall_value_multiple_internal)
1795         (call_value_internal, call_value_split, call_value_multiple_internal)
1796         (call_value_multiple_split): Remove constraints from operand 0.
1797
1798 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1799
1800         * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
1801         rather than loadgp_noshared.
1802         * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
1803         instead of gen_loadgp_noshared.  Use gen_loadgp_newabi instead of
1804         gen_loadgp.
1805         * config/mips/mips.md (loadgp): Rename to...
1806         (loadgp_newabi): ...this.
1807         (loadgp_noshared): Rename to...
1808         (loadgp_absolute): ...this.
1809
1810 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1811
1812         * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
1813         false for locally-binding symbols.
1814         (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
1815
1816 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1817
1818         * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
1819         (SYMBOL_GOT_PAGE_OFST): ...this.
1820         (SYMBOL_GOT_GLOBAL): Rename to...
1821         (SYMBOL_GOT_DISP): ...this.
1822         (SYMBOL_GOTOFF_GLOBAL): Rename to...
1823         (SYMBOL_GOTOFF_DISP): ...this.  Update comments accordingly.
1824         * config/mips/mips.c (mips_global_symbol_p): New function.
1825         (mips_symbol_binds_local_p): Likewise.
1826         (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
1827         and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST.  Use mips_global_symbol_p
1828         and mips_symbol_binds_local_p.
1829         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
1830         (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
1831         SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
1832         SYMBOL_GOTOFF_DISP.
1833         (mips_ok_for_lazy_binding_p): New function.
1834         (mips_load_call_address, mips_expand_call): Use it.
1835         (mips_dangerous_for_la25_p): Likewise.
1836         * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
1837         (*got_disp<mode>): Use got_disp_operand instead of
1838         global_got_operand.  Use SYMBOL_GOTOFF_DISP instead of
1839         SYMBOL_GOTOFF_GLOBAL.
1840         (*got_page<mode>): Use got_page_ofst_operand instead of
1841         local_got_operand.
1842         * config/mips/predicates.md (const_call_insn_operand): Use
1843         SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
1844         (global_got_operand): Rename to...
1845         (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
1846         SYMBOL_GOT_GLOBAL.
1847         (local_got_operand): Rename to...
1848         (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
1849         of SYMBOL_GOT_LOCAL.
1850
1851 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1852
1853         * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
1854         TARGET_CALL_CLOBBERED_GP.
1855         (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1856         (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
1857         (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
1858         (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
1859         of TARGET_ABICALLS && !TARGET_NEWABI.
1860         (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1861         * config/mips/mips.c (mips_load_call_address): Check
1862         TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
1863         (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1864         Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
1865         (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
1866         TARGET_ABICALLS && TARGET_NEWABI.
1867         (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
1868         TARGET_ABICALLS.
1869         (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
1870         (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
1871         TARGET_ABICALLS && TARGET_NEWABI.
1872         (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
1873         TARGET_ABICALLS.  Check TARGET_CALL_SAVED_GP instead of
1874         TARGET_NEWABI.  Use TARGET_USE_PIC_FN_ADDR_REG to decide
1875         whether indirect calls must use $25.
1876         (mips_extra_live_on_entry): Check TARGET_GOT instead of
1877         TARGET_ABICALLS.
1878         * config/mips/mips.md (jal_macro): Check flag_pic and
1879         TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
1880         (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
1881         instead of TARGET_ABICALLS.
1882         (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
1883         TARGET_ABICALLS && TARGET_OLDABI.
1884         (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1885         (sibcall): In the comment above the define_insn, mention
1886         TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
1887         * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
1888         instead of TARGET_ABICALLS.
1889
1890 2007-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
1891
1892         * doc/md.texi (Blackfin family constraints): Document PA and PB.
1893         * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
1894         (MACFLAGS_MATCH_P): New macro.
1895         * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
1896         (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
1897         * config/bfin/bfin.md (MACFLAG_IS_M): New constant.  Renumber some of
1898         the other MACFLAG constants.
1899         (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
1900         (flag_machi): Tighten constraints.  Renumber some of the operands.
1901         (flag_machi_acconly): Tighten constraints.  Correct operand numbers in
1902         output template.
1903         (flag_machi_parts_acconly): New pattern.
1904         (flag_macinithi): Tighten constraints.  Allow any accumulator to be
1905         used.
1906         (flag_macinit1hi): Tighten constraints.
1907         (flag_mul_macv2hi_parts_acconly): New pattern.
1908
1909         * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
1910         Use a more efficient implementation.
1911         * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
1912         inline sequences when not optimizing for size.
1913
1914         * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
1915         movhi_high2low): Delete, merge functionality into...
1916         (packv2hi): ... this pattern.
1917
1918         2007-02-11  Jie Zhang  <jie.zhang@analog.com>
1919         * config/bfin/bfin.opt (msim): New option.
1920         (mcpu=): New option.
1921         * config/bfin/bfin-protos.h (enum bfin_cpu): New.
1922         (bfin_cpu_t): Typedef of enum bfin_cpu.
1923         (bfin_cpu_type): New declaration.
1924         * config/bfin/elf.h (STARTFILE_SPEC): Add support for
1925         -msim and -mcpu= options.
1926         (LIB_SPEC): Likewise.
1927         * config/bfin/bfin.c (bfin_cpu_type): Define.
1928         (bfin_handle_option): Handle -mcpu= option.
1929         * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
1930         (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
1931         __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
1932
1933 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1934
1935         * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
1936         (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
1937         (powerpc-wrs-vxworksae): Use ${tm_file}.
1938         (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
1939         after elfos.h.  Remove i386/sysv4.h and add i386/vx-common.h.
1940         * config/i386/vx-common.h: New file.
1941
1942 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1943
1944         * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
1945         of crt0.o%s.
1946
1947 2007-04-12  Andreas Krebbel  <krebbel1@de.ibm.com>
1948
1949         * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
1950         ldxtr.
1951
1952 2007-04-12  Douglas Gregor  <doug.gregor@gmail.com>
1953
1954         PR c++/31078
1955         PR c++/31103
1956         * c-common.c (c_build_qualified_type): Set canonical type
1957         appropriately.
1958
1959 2007-04-12  Richard Guenther  <rguenther@suse.de>
1960
1961         * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
1962         lower bound and element size if lower bound is not zero
1963         or either of the ARRAY_REF operands is set.
1964
1965 2007-04-12  Richard Guenther  <rguenther@suse.de>
1966
1967         PR tree-optimization/24689
1968         PR tree-optimization/31307
1969         * fold-const.c (operand_equal_p): Compare INTEGER_CST array
1970         indices by value.
1971         * gimplify.c (canonicalize_addr_expr): To be consistent with
1972         gimplify_compound_lval only set operands two and three of
1973         ARRAY_REFs if they are not gimple_min_invariant.  This makes
1974         it never at this place.
1975         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
1976
1977 2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1978
1979         * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
1980         null before emitting a .nsubspa directive.
1981
1982 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
1983
1984         * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
1985         need_to_partition_p if there are no memory statements in the
1986         function.
1987
1988 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
1989
1990         * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
1991         (gcd_of_steps_may_divide_p): New function.
1992         (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
1993
1994 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
1995
1996         * reload.c (find_reloads_toplev, find_reloads_address,
1997         find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
1998         not a pointer equality test, to decide if we need to call
1999         push_reg_equiv_alt_mem.
2000
2001 2007-04-11  Sebastian Pop  <sebastian.pop@inria.fr>
2002
2003         * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
2004         insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
2005         (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
2006
2007 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
2008
2009         * tree-data-ref.c (add_multivariate_self_dist): Force the distance
2010         vector to be positive.
2011
2012 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
2013
2014         PR 30735
2015         PR 31090
2016         * doc/invoke.texi: Document --params max-aliased-vops and
2017         avg-aliased-vops.
2018         * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
2019         debug_memory_partitions): Move to tree-flow.h
2020         * params.h (AVG_ALIASED_VOPS): Define.
2021         * tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
2022         users.
2023         (mp_info_t): Likewise.
2024         (get_mem_sym_stats_for): New.
2025         (set_memory_partition): Move from tree-flow-inline.h.
2026         (mark_non_addressable): Only clear the set of symbols for the
2027         partition if it exists.
2028         (dump_memory_partitions): Move from tree-ssa-operands.c
2029         (debug_memory_partitions): Likewise.
2030         (need_to_partition_p): New.
2031         (dump_mem_ref_stats): New.
2032         (debug_mem_ref_stats): New.
2033         (dump_mem_sym_stats): New.
2034         (debug_mem_sym_stats): New.
2035         (update_mem_sym_stats_from_stmt): New.
2036         (compare_mp_info_entries): New.
2037         (mp_info_cmp): Call it.
2038         (sort_mp_info): Change argument to a list of mem_sym_stats_t
2039         objects.
2040         (get_mpt_for): Move from tree-ssa-operands.c.
2041         (find_partition_for): New.
2042         (create_partition_for): Remove.
2043         (estimate_vop_reduction): New.
2044         (update_reference_counts): New.
2045         (build_mp_info): New.
2046         (compute_memory_partitions): Refactor.
2047         Document new heuristic.
2048         Call build_mp_info, update_reference_counts,
2049         find_partition_for and estimate_vop_reduction.
2050         (compute_may_aliases): Populate virtual operands before
2051         calling debugging dumps.
2052         (delete_mem_sym_stats): New.
2053         (delete_mem_ref_stats): New.
2054         (init_mem_ref_stats): New.
2055         (init_alias_info): Call it.
2056         (maybe_create_global_var): Remove alias_info argument.
2057         Get number of call sites and number of pure/const call sites
2058         from gimple_mem_ref_stats().
2059         (dump_alias_info): Call dump_memory_partitions first.
2060         (dump_points_to_info_for): Show how many times a pointer has
2061         been dereferenced.
2062         * opts.c (decode_options): For -O2 set --param
2063         max-aliased-vops to 500.
2064         For -O3 set --param max-aliased-vops to 1000 and --param
2065         avg-aliased-vops to 3.
2066         * fortran/options.c (gfc_init_options): Remove assignment to
2067         MAX_ALIASED_VOPS.
2068         * tree-flow-inline.h (gimple_mem_ref_stats): New.
2069         * tree-dfa.c (dump_variable): Dump memory reference
2070         statistics.
2071         Dump NO_ALIAS* settings.
2072         (referenced_var_lookup): Tidy.
2073         (mem_sym_stats): New.
2074         * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
2075         and ORIG are different SSA names for a memory partition.
2076         * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
2077         * tree-flow.h (struct mem_sym_stats_d): Define.
2078         (mem_sym_stats_t): Define.
2079         (struct mem_ref_stats_d): Define.
2080         (struct gimple_df): Add field mem_ref_stats.
2081         (enum noalias_state): Define.
2082         (struct var_ann_d): Add bitfield noalias_state.
2083         (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
2084         debug_mem_ref_stats, debug_memory_partitions,
2085         debug_mem_sym_stats): Declare.
2086         * tree-ssa-structalias.c (update_alias_info): Update call
2087         sites, pure/const call sites and asm sites in structure
2088         returned by gimple_mem_ref_stats.
2089         Remove local variable IS_POTENTIAL_DEREF.
2090         Increase NUM_DEREFS if the memory expression is a potential
2091         dereference.
2092         Call update_mem_sym_stats_from_stmt.
2093         If the memory references memory, call
2094         update_mem_sym_stats_from_stmt for all the direct memory
2095         symbol references found.
2096         (intra_create_variable_infos): Set noalias_state field for
2097         pointer arguments according to the value of
2098         flag_argument_noalias.
2099         * tree-ssa-structalias.h (struct alias_info): Remove fields
2100         num_calls_found and num_pure_const_calls_found.
2101         (update_mem_sym_stats_from_stmt): Declare.
2102         * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
2103         Set default value to 100.
2104         (PARAM_AVG_ALIASED_VOPS): Define.
2105
2106 2007-04-11  Richard Guenther  <rguenther@suse.de>
2107
2108         PR middle-end/31530
2109         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
2110         a * -b + c as c - a * b if we honor sign dependent rounding.
2111
2112 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
2113
2114         * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
2115         bfin_expand_strmov.
2116         * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
2117         bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
2118         variables.
2119         (initialize_trampoline): Don't use old-style function definition.
2120         (bfin_secondary_reload): Mark IN_P argument as unused.
2121
2122 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
2123
2124         PR tree-optimization/31343
2125         * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
2126         (build_polynomial_chrec): Return a scalar when the evolution is zero.
2127         * testsuite/gcc.dg/vect/pr31343.c: New.
2128
2129 2007-04-10  Eric Christopher  <echristo@apple.com>
2130
2131         * config/i386/i386.h (X87_FLOAT_MODE_P): New.
2132         * config/i386/i386.md (*cmpfp0): Use.
2133         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
2134         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
2135         (fix_trunc<mode>_i386_fisttp): Ditto.
2136         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
2137         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
2138         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
2139         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
2140         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
2141         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
2142         (unnamed_splitters): Ditto.
2143         * config/i386/i386.c (output_fix_trunc): Assert that
2144         we're not being passed a TFmode operand.
2145
2146 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
2147
2148         PR tree-optimization/31526
2149         * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
2150         n_basic_blocks to find newly added blocks.
2151
2152 2007-04-10  Uros Bizjak  <ubizjak@gmail.com>
2153
2154         * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
2155         alternative.
2156         (fix_trunc<mode>si_sse): Ditto.
2157         (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
2158         (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
2159         (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
2160         (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
2161         (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
2162         expander using SSEMODEF mode macro.
2163         (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
2164         expander using SSEMODEF mode macro.
2165         (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
2166         *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
2167         (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
2168         *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
2169         (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
2170         *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
2171         (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
2172         Macroize insn using X87MODEF mode macro.
2173
2174 2007-04-09  H.J. Lu  <hongjiu.lu@intel.com>
2175
2176         * config/i386/sse.md (sse2_pinsrw): Removed.
2177         (sse2_pextrw): Renamed to ...
2178         (*sse2_pextrw): This.
2179
2180 2007-04-09  Jan Hubicka  <jh@suse.cz>
2181
2182         PR target/27869
2183         * config/i386/sse.md
2184         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
2185         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
2186         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
2187         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
2188
2189 2007-04-09  Jan Hubicka  <jh@suse.cz>
2190
2191         * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
2192         multiple fields of union.
2193
2194 2007-04-09  Zdenek Dvorak  <dvorakz@suse.cz>
2195
2196         * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
2197         (create_preheaders): Check that loops are available.
2198         (fix_loop_structure): Clean up, improve comments.
2199         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
2200         Check that loops are available.  Set LOOP_CLOSED_SSA to the loops
2201         state flags.
2202         * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
2203         * predict.c (tree_estimate_probability): Do not call
2204         calculate_dominance_info.  Call create_preheaders.
2205         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
2206         rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
2207         flags.
2208         * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
2209         * cfgloop.h (LOOP_CLOSED_SSA): New constant.
2210         * tree-cfg.c (tree_split_edge): Make an assert more precise.
2211         * tree-ssa-threadedge.c (thread_across_edge): Comment the function
2212         arguments.
2213
2214 2007-04-08  Jan Hubicka  <jh@suse.cz>
2215
2216         * tree.h (maybe_fold_offset_to_component_ref): Declare.
2217         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
2218         * fold-const.c (fold_unary): Use it.
2219
2220 2007-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2221
2222         * varasm.c (assemble_variable): Remove call to
2223         lang_hooks.decls.prepare_assemble_variable.
2224         * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
2225         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
2226         * langhooks.h (lang_hooks_for_decls): Remove
2227         prepare_assemble_variable.
2228
2229 2007-04-08  Mike Stump  <mrs@apple.com>
2230
2231         * config/i386/i386.c: Use inc/dec on Core2.
2232
2233 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
2234
2235         * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
2236         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
2237         lhd_tree_inlining_end_inlining): Remove.
2238         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
2239         add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
2240         end_inlining hooks.
2241         * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
2242         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
2243         lhd_tree_inlining_end_inlining): Remove prototypes.
2244         (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
2245         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
2246         LANG_HOOKS_TREE_INLINING_START_INLINING,
2247         LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
2248
2249         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
2250         not set it.
2251
2252 2007-04-08  Anatoly Sokolov <aesok@post.ru>
2253
2254         PR target/29932
2255         * config/avr/predicates.md (io_address_operand): Delete predicate.
2256         (low_io_address_operand): Don't use 'mode' argument.
2257         (higth_io_address_operand): Rename ...
2258         (high_io_address_operand): ... to this. Don't use 'mode' argument.
2259         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
2260         for above change.
2261
2262 2007-04-07  Daniel Berlin  <dberlin@dberlin.org>
2263
2264         Revert change removing staticp.
2265
2266 2007-04-07  Anatoly Sokolov <aesok@post.ru>
2267
2268         PR target/30289
2269         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
2270         earlyclobber.
2271
2272 2007-04-07  Bruce Korb  <bkorb@gnu.org>
2273
2274         * c.opt: Add -Wformat-contains-nul.
2275         * c-format.c (set_Wformat):  Set warn_format_contains_nul to the
2276           -Wformat setting.
2277         (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
2278         the NUL byte warning.
2279
2280 2007-04-07  H.J. Lu  <hongjiu.lu@intel.com>
2281
2282         * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
2283
2284 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
2285
2286         * tree.c (staticp): No longer use staticp langhook.
2287         * langhooks.c (lhd_staticp): Removed.
2288         * langhooks.h (struct lang_hooks): Remove staticp.
2289         * c-common.c (c_staticp): Remove.
2290         * c-common.h (c_staticp): Ditto.
2291         * langhooks-defs.h (lhd_staticp): Ditto.
2292         (LHD_HOOKS_STATICP): Ditto
2293         * tree.h (gcc_assert_lowered): New macro.
2294
2295 2007-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
2296
2297         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
2298         argument "reliable".
2299         (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
2300         Add argument "reliable".  Propagate it through calls.
2301         (infer_loop_bounds_from_undefined):  Derive number of iterations
2302         estimates from references in blocks that do not dominate loop latch.
2303         (gcov_type_to_double_int): New function.
2304         (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
2305         and expected_loop_iterations_unbounded.
2306         * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
2307         (expected_loop_iterations): Use expected_loop_iterations_unbounded.
2308         * tree-data-ref.c (estimated_loop_iterations): Export.
2309         (get_references_in_stmt): Fix -- do not return addresses of local
2310         objects.
2311         * cfgloop.h (expected_loop_iterations_unbounded,
2312         estimated_loop_iterations): Declare.
2313
2314 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
2315
2316         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
2317
2318 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
2319
2320         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
2321         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
2322         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
2323         Use output_387_reg_move().
2324         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
2325         expander using X87MODEF12 mode macro.
2326         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
2327         choosing register preferences.  Use output_387_reg_move().
2328         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
2329         instead of "x".  Use output_387_reg_move().
2330         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
2331         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
2332         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
2333         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
2334         Use output_387_reg_move().
2335         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
2336         mode macro.
2337         (*truncxf?f_i387 splitter): Ditto.
2338
2339 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
2340
2341         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
2342         LANG_HOOKS_SAFE_FROM_P.
2343         * expr.c (safe_from_p): Remove langhook call.
2344         * langhooks.h (lang_hooks): Remove safe_from_p.
2345         (lhd_safe_from_p): Remove prototype.
2346         * langhooks.c (lhd_safe_from_p): Remove.
2347
2348 2007-04-06  Jan Hubicka  <jh@suse.cz>
2349
2350         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
2351         functions.
2352
2353 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
2354
2355         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
2356         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
2357         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
2358         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
2359         alternative.
2360         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
2361         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
2362
2363 2007-04-05  Richard Henderson  <rth@redhat.com>
2364
2365         * config/alpha/alpha.c (print_operand) [+]: Remove.
2366         (alpha_end_function): Print nop if call at end of function.
2367         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
2368         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
2369         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
2370         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
2371         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
2372         the call pattern. Update peepholes to match.
2373
2374 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
2375
2376         * doc/extend.texi (Other Builtins): Add decimal float variants
2377         of signbit.
2378         * builtins.def: Ditto.
2379         * builtins.c (expand_builtin): Ditto.
2380
2381 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
2382             H.J. Lu  <hongjiu.lu@intel.com>
2383
2384         PR target/31478
2385         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
2386         of V8HImode when calling ix86_binary_operator_ok.
2387         (sse2_pmaddwd): Call ix86_binary_operator_ok.
2388         (sdot_prodv8hi): Operands 1 and 2 must be register.
2389
2390 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
2391
2392         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
2393         initialize align to silence bogus warning.
2394
2395 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
2396
2397         PR middle-end/22156
2398         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
2399         all_no_warning.
2400         (struct sra_walk_fns): Remove use_all parameter from use.
2401         (sra_hash_tree): Handle BIT_FIELD_REFs.
2402         (sra_elt_hash): Don't hash bitfld blocks.
2403         (sra_elt_eq): Skip them in parent compares as well.  Handle
2404         BIT_FIELD_REFs.
2405         (sra_walk_expr): Don't maintain or pass down use_all_p.
2406         (scan_use): Remove use_all parameter.
2407         (scalarize_use): Likewise.  Re-expand assignment to
2408         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
2409         output, and re-scalarize after output.  Don't mark anything
2410         for no warning.
2411         (scalarize_ldst): Adjust.
2412         (scalarize_walk_gimple_modify_statement): Likewise.
2413         (build_element_name_1): Handle BIT_FIELD_REFs.
2414         (instantiate_element): Don't warn for any element whose parent
2415         is used as a whole.
2416         (instantiate_missing_elements_1): Return the sra_elt.
2417         (canon_type_for_field): New.
2418         (try_instantiate_multiple_fields): New.
2419         (instantiate_missing_elemnts): Use them.
2420         (mark_no_warning): Removed.
2421         (generate_one_element_ref): Handle BIT_FIELD_REFs.
2422         (REPLDUP, sra_build_elt_assignment): New.
2423         (generate_copy_inout): Use them.
2424         (generate_element_copy): Likewise.  Handle bitfld differences.
2425         (generate_element_zero): Don't recurse for blocks.  Use
2426         sra_build_elt_assignment.
2427         (generate_one_element_int): Take elt instead of var.  Use
2428         sra_build_elt_assignment.
2429         (generate_element_init_1): Adjust.
2430         (scalarize_use, scalarize_copy): Use REPLDUP.
2431         (scalarize_ldst): Move assert before dereference.
2432         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
2433
2434 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
2435
2436         * regmove.c: Fix unused variable warnings due to previous commit.
2437
2438 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
2439
2440         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
2441         (regmove_bb_head): Remove.
2442         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
2443         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
2444         problems with fixup_match_1.
2445         Don't initialize/free regmove_bb_head.
2446
2447         (reg_is_remote_constant_p): If an insn is in the same basic block
2448         but not before INSN, consider it remote, too.
2449
2450 2007-04-05  Anatoly Sokolov <aesok@post.ru>
2451
2452         PR target/25448
2453         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
2454         DECL_ASSEMBLER_NAME, not the DECL_NAME.
2455
2456 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
2457
2458         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
2459         (CONDITIONAL_REGISTER_USAGE): Likewise.
2460
2461 2007-04-04  Richard Henderson  <rth@redhat.com>
2462
2463         * config/alpha/lib1funcs.asm: Remove unused file.
2464
2465 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2466
2467         PR other/31356
2468         * opts.c (print_specific_help): Fix --help=<language>
2469         header line.
2470         (common_handle_option): Support --help=common.
2471
2472 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2473
2474         PR other/31353
2475         * gcc.c (main): Do not run the linker if
2476         print_subprocess_help indicates that it shouldn't be
2477         run.
2478
2479 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2480
2481         PR doc/31355
2482         * doc/invoke.texi (--help=): Document <languages> value, fix
2483         formatting in tables of values.
2484
2485 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
2486
2487         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
2488         dllimport attribute of virtual methods.
2489
2490 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
2491
2492         * config/score/crti.asm: Change _bss_start to __bss_start.
2493         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
2494         (OUTGOING_REG_PARM_STACK_SPACE) update.
2495         * config/score/score.opt: add options to make backend support
2496         score5, score5u, score7 and score7d.
2497         * config/score/score.md: Likewise.
2498         * config/score/misc.md: Likewise.
2499         * config/score/mac.md: Likewise.
2500         * doc/invoke.texi: Likewise.
2501         * doc/md.texi: update constraints define.
2502
2503 2007-04-03  Richard Henderson  <rth@redhat.com>
2504
2505         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
2506         an appropriate type, use the mode instead.
2507
2508 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
2509
2510         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
2511         Set the default --with-arch setting to mips2.
2512         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
2513         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
2514         (MULTILIB_OSDIRNAMES): Delete.
2515         (MULTILIB_DIRNAMES): Define.
2516         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
2517         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
2518         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
2519         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
2520         VXWORKS_OS_CPP_BUILTINS.
2521         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
2522         (MIPS_DEBUGGING_INFO): Undefine.
2523         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
2524
2525 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
2526
2527         PR middle-end/30704
2528         * fold-const.c (native_encode_real): Encode real.c provided longs
2529         as a series of 32-bit native integers.
2530         (native_interpret_real): Interpret buffer as a series of 32-bit
2531         native integers.
2532
2533 2007-04-03  Richard Guenther  <rguenther@suse.de>
2534
2535         * genpreds.c (write_insn_constraint_len): Write function
2536         optimized for CONSTRAINT_LEN implementation.
2537         (write_tm_preds_h): Output insn_constraint_len inline and
2538         use it for CONSTRAINT_LEN.
2539         (write_insn_preds_c): Don't output insn_constraint_len.
2540         * doc/md.texi (define_register_constraint): Document multi-letter
2541         constraints shall have the same length if they start with the same
2542         letter.
2543
2544 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
2545
2546         PR target/31175
2547         * config/i386/i386.md (isinf<mode>2): Expand only when
2548         TARGET_C99_FUNCTIONS is set.
2549
2550 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
2551
2552         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
2553         (x86_64-*-linux*): Ditto.
2554         * config/i386/i386.opt (mpc): New option.
2555         * config/i386/i386.c (overrride_options): Handle
2556         ix87_precision_string.
2557         * config/i386/crtprec.c: New file.
2558         * config/i386/t-crtpc: Ditto.
2559         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
2560         and -mpc80 options.
2561         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
2562         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
2563         crtprec32.o, crtprec64.o and crtprec80.o.
2564
2565         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
2566         and -mpc80 options.
2567         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
2568
2569 2007-04-02  Eric Christopher  <echristo@apple.com>
2570
2571         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
2572         limitations on darwin.
2573
2574 2007-04-02  Anatoly Sokolov <aesok@post.ru>
2575
2576         PR target/31137
2577         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
2578
2579 2007-04-02  Dave Korn  <dave.korn@artimi.com>
2580
2581         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
2582
2583 2007-04-02  Dave Korn  <dave.korn@artimi.com>
2584
2585         * libgcc2.h (exception_descriptor): Don't forward-declare.
2586         (__get_eh_table_language, __get_eh_table_version): Delete
2587         prototypes of long-dead functions.
2588
2589 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
2590
2591         * ebitmap.h: New file
2592         * ebitmap.c: New file
2593         * Makefile.in (ebitmap.o): New target.
2594
2595 2007-04-01  Jan Hubicka  <jh@suse.cz>
2596
2597         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
2598         before very first instruction.
2599
2600 2007-04-01  Jan Hubicka  <jh@suse.cz>
2601
2602         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
2603         waring on 64bit hosts.
2604         * bitmap.h: Fix typo in bitmap_head_def.
2605
2606 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
2607
2608         PR rtl-optimization/31391
2609         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
2610         into a DELETED_LABEL note, and the label is in an empty basic
2611         block, update BB_END as well as BB_HEAD.
2612
2613 2007-04-01  Richard Henderson  <rth@redhat.com>
2614
2615         PR tree-optimization/31169
2616         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
2617         to varying if the range is outside [0,  prec-1].
2618
2619 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
2620
2621         PR target/31388
2622         * config/mips/mips.md (load_const_gp): New insn.
2623         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
2624         the MIPS16 GP pseudo register if no_new_pseudos.
2625         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
2626
2627 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2628
2629         PR target/31364
2630         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
2631         secureplt.
2632         (call_value): Likewise.
2633
2634 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
2635             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2636
2637         PR 14737
2638         * doc/invoke.texi: (optimization options): Reword description
2639         of -ffast-math. Document its primary purpose.
2640
2641 2007-03-31  Richard Guenther  <rguenther@suse.de>
2642
2643         * omp-low.c (splay-tree.h): Include.
2644         (lookup_decl): Replace splay-tree usage by pointer-map.
2645         (maybe_lookup_decl): Likewise.
2646         (new_omp_context): Likewise.
2647         (delete_omp_context): Likewise.
2648         * gimplify.c (splay-tree.h): Include.
2649         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
2650         pointer-map.
2651         (remap_ssa_name): Likewise.
2652         (remap_decl): Likewise.
2653         (remap_type_1): Likewise.
2654         (remap_type): Likewise.
2655         (copy_body_r): Likewise.
2656         (expand_call_inline): Likewise.
2657         (clone_body): Likewise.
2658         (copy_tree_r): Likewise.
2659         (remap_save_expr): Likewise.
2660         (unsave_r): Likewise.
2661         (unsave_expr_now): Likewise.
2662         (tree_function_versioning): Likewise.
2663         (build_duplicate_type): Likewise.
2664         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
2665         (struct copy_body_data): Replace splay-tree by pointer-map.
2666         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
2667         not $(SPLAY_TREE_H).
2668         (gimplify.o): Depend on $(SPLAY_TREE_H).
2669         (omp-low.p): Likewise.
2670
2671 2007-03-31  Anatoly Sokolov <aesok@post.ru>
2672
2673         * config/avr/predicates.md (even_register_operand,
2674         odd_register_operand): New predicates.
2675         * config/avr/avr.md (movw peephole2): New.
2676         (movw_r peephole2): New.
2677
2678 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
2679
2680         * tree.h (get_signed_or_unsigned_type): New.
2681         * fold-const.c (operand_equal_for_comparison_p): Use
2682         get_signed_or_unsigned_type instead of
2683         lang_hooks.types.signed_or_unsigned_type.
2684         * expr.c (store_expr): Ditto.
2685         * langhooks.c (get_signed_or_unsigned_type): New.
2686         (lhd_signed_or_unsigned_type): New.
2687         * langhooks.h (lhd_signed_or_unsigned_type): New.
2688         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
2689
2690 2007-03-30  Richard Henderson  <rth@redhat.com>
2691
2692         * tree-ssa-loop-ivopts.c: Include target.h.
2693         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
2694         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
2695         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
2696         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
2697
2698 2007-03-30  Richard Henderson  <rth@redhat.com>
2699             Kai Tietz  <kai.tietz@onevision.com>
2700
2701         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
2702         default for 64-bit.
2703         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
2704         (TARGET_64BIT_MS_ABI): New.
2705         (DBX_REGISTER_NUMBER): Handle 64-bit.
2706         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
2707         (LONG_TYPE_SIZE): Force to 32.
2708         (REG_PARM_STACK_SPACE): New.
2709         (OUTGOING_REG_PARM_STACK_SPACE): New.
2710         (REGPARM_MAX, SSE_REGPARM_MAX): New.
2711         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
2712         (STACK_BOUNDARY): Use 128 for 64-bit.
2713         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
2714         Add 64-bit implementation.
2715         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
2716         argument unused.
2717         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
2718         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
2719         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
2720         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
2721         (ix86_handle_cconv_attribute): Don't warn when ignoring if
2722         TARGET_64BIT_MS_ABI.
2723         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
2724         (ix86_pass_by_reference): Likewise.
2725         (ix86_function_value_regno_p): Likewise.
2726         (ix86_build_builtin_va_list): Likewise.
2727         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
2728         (function_arg_advance_ms_64): New.
2729         (function_arg_advance): Call it.
2730         (function_arg_ms_64): New.
2731         (function_arg): Call it.
2732         (function_value_ms_64): New.
2733         (ix86_function_value_1): Call it.
2734         (return_in_memory_ms_64): New.
2735         (ix86_return_in_memory): Call it.
2736         (setup_incoming_varargs_ms_64): New.
2737         (ix86_setup_incoming_varargs): Call it.
2738         (ix86_expand_prologue): Handle 64-bit stack probing.
2739         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
2740         (output_pic_addr_const): Likewise.
2741         (x86_this_parameter): Likewise.
2742         (x86_output_mi_thunk): Likewise.
2743         (x86_function_profiler): Likewise.
2744         (TARGET_STRICT_ARGUMENT_NAMING): New.
2745         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
2746         (TARGET_64BIT_MS_ABI): New.
2747         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
2748         * config/i386/i386.md (allocate_stack_worker): Remove.
2749         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
2750         describe the clobber of eax without a match_scratch.
2751         (allocate_stack_worker_postreload): Remove.
2752         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
2753         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
2754         (allocate_stack_worker_rex64_postreload): Remove.
2755         (allocate_stack): Handle 64-bit.
2756         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
2757         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
2758         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
2759         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
2760         (STANDARD_STARTFILE_PREFIX_1): Likewise.
2761         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
2762         * config.build (x86_64-*-mingw*): New host.
2763         * config.host (x86_64-*-mingw*): New host.
2764         * config.gcc (x86_64-*-mingw*): New target.
2765         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
2766
2767 2007-03-30  Richard Henderson  <rth@redhat.com>
2768             Kai Tietz  <kai.tietz@onevision.com>
2769
2770         * c-pragma.c (struct def_pragma_macro_value): New.
2771         (struct def_pragma_macro): New.
2772         (pushed_macro_table): New.
2773         (dpm_hash, dpm_eq): New.
2774         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
2775         (init_pragma): Install them.
2776         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
2777
2778 2007-03-30  Anatoly Sokolov <aesok@post.ru>
2779
2780         * config/avr/avr.c (avr_override_options): Clear
2781         'flag_delete_null_pointer_checks'.
2782
2783 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
2784
2785         PR c++/26099
2786         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
2787         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
2788         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
2789         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
2790         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
2791         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
2792         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
2793         C++ extensions.
2794         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
2795
2796 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
2797
2798         * regmove.c: Move all of pass_stack_adjustments from here...
2799         * combine-stack-adj.c: ...to this new file.
2800         * Makefile.in: Add rules for combine-stack-adj.o.
2801
2802 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
2803
2804         PR tree-optimization/31383
2805         * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
2806         to have the same length.
2807
2808 2007-03-30  Jan Hubicka  <jh@suse.cz>
2809
2810         PR middle-end/30700
2811         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
2812         availablility; add more sanity checking; ask varpool only about
2813         VAR_DECL.
2814
2815 2007-03-29  Richard Henderson  <rth@redhat.com>
2816
2817         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
2818         to decide, but __SIZEOF_LONG_LONG__.
2819
2820 2007-03-29  Richard Henderson  <rth@redhat.com>
2821
2822         * emutls.c (struct __emutls_array): New.
2823         (emutls_destroy): Use it instead of casting element 0 from void*.
2824         (__emutls_get_address): Likewise.
2825
2826 2007-03-29  Richard Henderson  <rth@redhat.com>
2827
2828         * varasm.c (initializer_constant_valid_p): Don't deny
2829         DECL_DLLIMPORT_P on functions.
2830
2831         * config/i386/cygming.h: Remove function declarations.
2832         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
2833         (ASM_OUTPUT_LABELREF): Remove.
2834         (COMMON_ASM_OP): Remove.
2835         (ASM_OUTPUT_COMMON): Remove.
2836         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
2837         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
2838         (ASM_DECLARE_FUNCTION_NAME): Likewise.
2839         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
2840         Rename from TARGET_ENCODE_SECTION_INFO.
2841         * config/i386/netware.h: Likewise.
2842         * config/i386/i386-protos.h: Update.
2843         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
2844         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
2845         (legitimate_constant_p): Reject dllimports.
2846         (dllimport_map, get_dllimport_decl): New.
2847         (legitimize_dllimport_symbol): New.
2848         (legitimize_address, ix86_expand_move): Use it.
2849         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
2850         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
2851         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
2852         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
2853         * config/i386/predicates.md (constant_call_address_operand): Only
2854         accept symbols; reject dllimport_p symbols.
2855         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
2856         i386_pe_maybe_record_exported_symbol.
2857         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
2858         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
2859         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
2860         trust the setting of DECL_DLLIMPORT_P.
2861         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
2862         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
2863         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
2864         tidy the argument scanning loop.
2865         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
2866         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
2867         (i386_pe_strip_name_encoding): Remove.
2868         (i386_pe_binds_local_p): New.
2869         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
2870         (i386_pe_output_labelref): Remove.
2871         (i386_pe_asm_output_aligned_decl_common): New.
2872         (i386_pe_maybe_record_exported_symbol): Rename from
2873         i386_pe_record_exported_symbol; check for dllexported symbols.
2874
2875 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
2876
2877         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
2878         add comment explaining why vsnprintf cannot be used.
2879
2880 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
2881
2882         PR tree-optimization/30666
2883         * tree.c (build_complex_type): When creating type names for DWARF2
2884         debug info, create TYPE_DECLs for TYPE_NAME instead of
2885         IDENTIFIER_NODEs.
2886         (build_common_tree_nodes_2): Use build_complex_type when building
2887         predefined complex types, to preserve canonical types.
2888
2889 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
2890
2891         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
2892         (noce_get_alt_condition): Look at it to determine whether to
2893         reverse the condition or not.
2894         (noce_get_condition): Substitute the truth for lies.
2895         (noce_find_if_block): Set the then_else_reversed field.
2896
2897 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
2898
2899         * config/fr30/fr30.md (movdi): Do not accept immediates as the
2900         destination of this insn.
2901         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
2902         than calling gen_rtx_SET directly.  Use r0 to hold the value of
2903         'address + 4' rather than a stack based temporary which can be
2904         mis-optimized away.
2905
2906 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
2907
2908         * config/s390/s390.c (s390_secondary_input_reload_class,
2909         s390_secondary_output_reload_class): Functions removed.
2910         (s390_secondary_reload): New function.
2911         (TARGET_SECONDARY_RELOAD): Target macro defined.
2912         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
2913         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
2914         * config/s390/s390.md ("reload_outti", "reload_outdi",
2915         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
2916         "reload_out<mode>"): Expanders removed.
2917         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
2918         "reload<mode>_nonoffmem_out"): Expanders added.
2919
2920 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
2921
2922         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
2923         SRC->DEST replacement failed anyway.
2924
2925 2007-03-28  Mike Stump  <mrs@apple.com>
2926
2927         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
2928         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
2929         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
2930
2931 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
2932
2933         * config.gcc: Accept barcelona as a variant of amdfam10.
2934         * config/i386/i386.c (override_options): Likewise.
2935         * doc/invoke.texi: Likewise.
2936
2937 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
2938
2939         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
2940         offsets for BIT_FIELD_REF and COMPONENT_REF.
2941
2942 2007-03-28  Richard Guenther  <rguenther@suse.de>
2943
2944         * tree.c (is_global_var): Move ...
2945         * tree-flow-inline.h (is_global_var): ... here.
2946         * tree.h (is_global_var): Remove declaration.
2947
2948 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
2949
2950         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
2951         option.
2952         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
2953         * config/i386/i386.c (ix86_tune_features): Initialize new
2954         tuning option.
2955         * config/i386/predicates.md (promotable_binary_operator): Use
2956         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
2957
2958 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
2959
2960         PR target/31380
2961         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
2962
2963 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
2964
2965         * config/fr30/fr30.md (movsi_internal): Change destination
2966         constraint from m to V and add m to the end.
2967
2968 2007-03-28  Christian Bruel  <christian.bruel@st.com>
2969
2970         * config/sh/sh.md (movsi_i): Fix type attribute.
2971
2972 2007-03-28  Christian Bruel  <christian.bruel@st.com>
2973
2974         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
2975         (movsf_ie): Likewise.
2976
2977 2007-03-28  Christian Bruel  <christian.bruel@st.com>
2978
2979         * config.gcc: Add sh4-300 to multilib.
2980         * config/sh/t-mlib-sh4-300: New file.
2981
2982 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
2983
2984         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
2985         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
2986         fix_trunc<mode>di2.
2987         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
2988         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
2989         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
2990         "fixuns_trunctddi2"): Whitespace fix.
2991
2992 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
2993
2994         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
2995         the definition of struct sh_args.
2996         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
2997         CALL_COOKIE_INT_REG_GET): Likewise.
2998
2999 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
3000
3001         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
3002         transformations are applied successfully.
3003
3004 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
3005
3006         * tree.c (tree_contains_struct): Permit 512 tree codes.
3007         * tree.h (tree_contains_struct): Ditto.
3008         (MAX_TREE_CODES): Ditto.
3009         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
3010         SPARE member to store remaining padding bits.
3011
3012 2007-03-27  Anatoly Sokolov <aesok@post.ru>
3013
3014         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
3015         architecture.
3016
3017 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
3018
3019         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
3020         * configure: Regenerate.
3021
3022         * configure: Regenerate using the correct version of autoconf.
3023
3024 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
3025
3026         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
3027         pointer regs.
3028         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
3029         regs to "__SP_L__" and "__SP_H__".
3030
3031 2007-03-27  Richard Guenther  <rguenther@suse.de>
3032
3033         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
3034         computations with it with a HOST_WIDE_INT variable.
3035
3036 2007-03-26  Mike Stump  <mrs@apple.com>
3037
3038         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
3039         objective-c-header, objective-c++-header and objc++-cpp-output
3040         support.
3041         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
3042
3043 2007-03-26  Richard Henderson  <rth@redhat.com>
3044
3045         PR target/31361
3046         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
3047         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
3048         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
3049         IX86_BUILTIN_PSRLQ128): New.
3050         (ix86_init_mmx_sse_builtins): Add them.
3051         (ix86_expand_builtin): Expand them.
3052         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
3053         operand 2 be TImode.
3054         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
3055         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
3056         _mm_srli_epi64): Mark __B const.
3057         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
3058         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
3059         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
3060         new two-vector shift builtins.
3061
3062 2007-03-26  Ian Lance Taylor  <iant@google.com>
3063
3064         PR tree-optimization/31345
3065         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
3066         [+INF, +INF(OVF)] into VARYING.
3067
3068 2007-03-26  Zack Weinberg  <zackw@panix.com>
3069
3070         * gengtype-parse.c: New file.
3071         * gengtype-yacc.y: Delete.
3072         * gengtype-lex.l: Don't include gengtype-yacc.h.
3073         Define YY_DECL and yyterminate appropriately for recursive
3074         descent parser.  yylval is now a string out-parameter to yylex.
3075         (HWS, EOID): New shorthand.
3076         (IWORD): Add a couple more types.
3077         (yylex): Add a setup stanza.  Remove the complex rules for
3078         detecting GTY'ed types and typedefs; replace with simple
3079         keyword detectors.  Adjust everything for the changed
3080         definition of yylval.  Ignore all pp-directives, not just #define.
3081         (yyerror): Delete.
3082         (parse_file): Rename yybegin; do not call yyparse.
3083         (yyend): New.
3084         * gengtype.c (xasprintf): Export again.
3085         (this_file): New.  Use everywhere __FILE__ was being used.
3086         (get_lang_bitmap): Special case types defined in gengtype.c.
3087         (do_typedef, new_structure): Suppress definition of certain types.
3088         (new_structure): Improve diagnostics of duplicate definitions.
3089         Make sure location_s is associated with input.h.
3090         (nreverse_pairs, define_location_structures): New functions.
3091         (main): Improve tagging of kludge types.  Remove old kludges
3092         for input.h types; use define_location_structures.
3093         * gengtype.h: Update prototypes.  Define token codes here.
3094         * Makefile.in: Remove all references to gengtype-yacc.
3095         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
3096         and gengtype.
3097         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
3098         add GTY((skip)) to the field that's only conditionally there.
3099         * doc/install.texi: Document that Bison is no longer required
3100         unless building treelang.
3101
3102         * gengtype.c: Don't include gtyp-gen.h.
3103         (srcdir): Declare here.
3104         (base_files, lang_dir_names): Allocate dynamically.
3105         (gt_files, num_gt_files, num_lang_dirs): New globals.
3106         (measure_input_list, read_input_line, read_input_list)
3107         (set_lang_bitmap): New functions.
3108         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
3109         simplify, relying on read_input_list to set up the bitmaps.
3110         (main): Arguments are no longer unused.  Check for correct number
3111         of command line arguments, set srcdir and srcdir_len, then call
3112         read_input_list, before doing anything else.  No need to worry
3113         about duplicates in main loop.
3114         * configure.ac: Simplify the calculation of all_gtfiles.
3115         Put language tags in there.  Don't set or substitute
3116         all_gtfiles_files_langs or all_gtfiles_files_frags.
3117         * Makefile.in: Revamp the way gengtype is invoked, now that it
3118         takes a file on its command line with a much simpler format.
3119         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
3120         (GTFILES): Remove duplicates and C source files.
3121         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
3122         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
3123         * configure: Regenerate.
3124
3125         * gengtype.h: Remove all type definitions to gengtype.c; leave
3126         only definitions of options_p, type_p, and pair_p as opaque
3127         pointers.  Update prototypes.
3128         * gengtype.c: Many type definitions moved here from gengtype.h.
3129         Consolidate type definitions at the top of the file.
3130         (xvasprintf): Delete.
3131         (xasprintf): Make static.
3132         (create_nested_pointer_option): Add 'next' parameter.
3133         (create_field_all, create_field_at): New functions.
3134         (create_field): Now a thin wrapper around create_field_all.
3135         (create_optional_field): Rename create_optional_field_ and add
3136         line argument.  Original name is now a macro which supplies
3137         __LINE__.
3138         (oprintf): Use vsnprintf directly.
3139         (close_output_files): Use fatal rather than perror/exit.
3140         (note_def_vec, note_def_vec_alloc): Use create_field_at.
3141         (main): Set progname.  Don't use exit.
3142         * gengtype-yacc.y (struct_fields): Use create_field_at.
3143         (option, optionseqopt): Delete.
3144         (optionseq): Consolidate productions from option here so we
3145         can use the first argument to create_option.
3146
3147         * gengtype-lex.l: Distinguish unions from structures in the
3148         token type.  Don't call find_structure; return the tag as a string.
3149         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
3150         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
3151         Reorganize typedef_struct production accordingly.
3152         Use create_nested_ptr_option.
3153         * gengtype.c (create_nested_ptr_option): New function.
3154         * gengtype.h: Declare it.
3155
3156         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
3157         (string_type): Don't declare.
3158         (do_scalar_typedef): Declare.
3159         (create_scalar_type): Update prototype.
3160         * gengtype.c (string_type): Make static.
3161         (scalar_nonchar, scalar_char): New.
3162         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
3163         (resolve_typedef): Use scalar_nonchar for error recovery.
3164         (create_scalar_type): Remove name_len field.  Return scalar_char
3165         or scalar_nonchar as appropriate.
3166         (adjust_field_type): Look at scalar_is_char boolean to decide whether
3167         to use string_type.
3168         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
3169         whenever possible.
3170         (main): Initialize scalar_char and scalar_nonchar before calling
3171         gen_rtx_next.
3172         * gengtype-lex.l: Adjust for removal of second argument to
3173         create_scalar_type.  Use yylval.s instead of yylval.t when
3174         returning SCALAR.
3175         * gengtype-yacc.y: Type of SCALAR is string.  Call
3176         create_scalar_type from type:SCALAR rule.  Adjust for removal of
3177         second argument to create_scalar_type.
3178
3179         * vec.h: Remove all #if IN_GENGTYPE blocks.
3180         Add comment saying that changes may require adjustments to gengtype.
3181         * gengtype.c: Don't include coretypes.h or tm.h.
3182         Add comment to inclusion of errors.h.
3183         (note_def_vec, note_def_vec_alloc): New functions.
3184         * gengtype.h: Declare new functions.
3185         * gengtype-lex.l: Don't include coretypes.h.
3186         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
3187         Delete.
3188         (update_lineno): Remove unnecessary prototype.
3189         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
3190         (VEC rule): Just return VEC_TOKEN.
3191         * gengtype-yacc.y (VEC_TOKEN): New token type.
3192         (type): Add a production for VEC(a,b).
3193         * Makefile.in: Update dependencies.
3194
3195         * gengtype-lex.l: Remove rules for parsing pointer-to-function
3196         typedefs that use the old PARAMS macro.
3197
3198         * gengtype-lex.l: Remove all rules and states relating to yacc
3199         input files.
3200         * gengtype-yacc.y: Similarly.
3201         * gengtype.c (note_yacc_type): Delete function.
3202         * gengtype.h: Update prototypes.
3203
3204 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
3205
3206         * tree-pretty-print.c (dump_generic_node): Report precision of
3207         unnamed integer types.
3208
3209 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
3210
3211         * ifcvt.c (noce_try_store_flag_constants): Don't check
3212         no_new_pseudos here.
3213         (noce_try_store_flag_constants): Don't check no_new_pseudos.
3214         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
3215         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
3216         noce_try_sign_mask): Likewise.
3217         (if_convert): Check no_new_pseudos here.
3218
3219         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
3220         Remove prototypes.
3221         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
3222         (noce_get_condition): Handle new then_else_reversed argument.
3223         (noce_init_if_info): Remove, fold into noce_find_if_block.
3224         (noce_process_if_block): Take a struct noce_if_info as the
3225         argument.  Don't set up one based on ce_if_info.  Update pointer
3226         references accordingly.
3227         (cond_move_process_if_block): Likewise.
3228         (process_if_block): Removed.
3229         (find_if_block): Removed.  Move functionality two new functions,
3230         noce_find_if_block and cond_exec_find_if_block.
3231         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
3232         blocks and the symmetric IF-ELSE-JOIN case.
3233         (cond_exec_find_if_block): Also new function mostly based on old
3234         find_if_block and process_if_block.
3235         (find_if_header): Replace find_if_block call with separately
3236         guarded calls to noce_find_if_block and cond_exec_find_if_block.
3237         (find_cond_trap): Update noce_get_condition call.
3238         (dead_or_predicable): Likewise.
3239
3240 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
3241
3242         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
3243         Remove.
3244         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
3245         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
3246         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
3247         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
3248         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
3249         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
3250         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
3251         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
3252         __builtin_ia32_psrad128 builtins.
3253
3254 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
3255
3256         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
3257         * config/i386/constraints.md
3258         (define_constraint "I"): Use IN_RANGE macro.
3259         (define_constraint "J"): Ditto.
3260         (define_constraint "K"): Ditto.
3261         (define_constraint "M"): Ditto.
3262         (define_constraint "N"): Ditto.
3263         (define_constraint "O"): Ditto.
3264         * config/i386/predicates.md
3265         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
3266         (define_predicate "const_0_to_3_operand"): Ditto.
3267         (define_predicate "const_0_to_7_operand"): Ditto.
3268         (define_predicate "const_0_to_15_operand"): Ditto.
3269         (define_predicate "const_0_to_63_operand"): Ditto.
3270         (define_predicate "const_0_to_255_operand"): Ditto.
3271         (define_predicate "const_1_to_31_operand"): Ditto.
3272         (define_predicate "const_2_to_3_operand"): Ditto.
3273         (define_predicate "const_4_to_7_operand"): Ditto.
3274
3275 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
3276
3277         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
3278         in SImode for save_world.
3279         * config/rs6000/altivec.md (save_world, restore_world): Convert to
3280         LR hard reg.
3281
3282 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
3283
3284         PR tree-optimization/30784
3285         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
3286         BIT_FIELD_REF.
3287
3288 2007-03-25  Revital Eres  <eres@il.ibm.com>
3289
3290         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
3291           Fold movement_possibility function into it.
3292
3293 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
3294
3295         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
3296         (load_macho_picbase_{si,di}): Convert to LR hard reg.
3297         (call_indirect_nonlocal_darwin64): Same.
3298         (call_nonlocal_darwin64): Same.
3299         (call_value_indirect_nonlocal_darwin64): Same.
3300         (call_value_nonlocal_darwin64): Same.
3301         (sibcall_nonlocal_darwin64): Same.
3302         (sibcall_value_nonlocal_darwin64): Same.
3303         (sibcall_symbolic_64): Same.
3304         (sibcall_value_symbolic_64): Same.
3305         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
3306         LR pseudo.
3307         (rs6000_emit_load_toc_table): Same.
3308         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
3309         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
3310         (mull_call): Same.
3311         (divss_call): Same.
3312         (divus_call): Same.
3313         (quoss_call): Same.
3314         (quous_call): Same.
3315         (load_toc_v4_pic_si): Same
3316         (load_toc_v4_PIC_1): Same.
3317         (load_toc_v4_PIC_1b): Same.
3318         (call_indirect_aix{32,64}): Same.
3319         (call_value_indirect_aix{32,64}): Same.
3320         (call): Same.
3321         (call_value): Same.
3322         (call_local{32,64}): Same.
3323         (call_value_local{32,64}): Same.
3324         (call_indirect_nonlocal_aix{32,64}): Same.
3325         (call_nonlocal_aix{32,64}): Same.
3326         (call_value_indirect_nonlocal_aix{32,64}): Same.
3327         (call_value_nonlocal_aix{32,64}): Same.
3328         (call_indirect_nonlocal_sysv<mode>): Same.
3329         (call_nonlocal_sysv<mode>): Same.
3330         (call_value_indirect_nonlocal_sysv<mode>): Same.
3331         (call_value_nonlocal_sysv<mode>): Same.
3332         (sibcall): Same.
3333         (sibcall_local{32,64}): Same.
3334         (sibcall_value_local{32,64}): Same.
3335         (sibcall_nonlocal_aix{32,64}): Same.
3336         (sibcall_value_nonlocal_aix{32,64}): Same.
3337         (sibcall_nonlocal_sysv<mode>): Same.
3338         (sibcall_value): Same.
3339         (sibcall_value_nonlocal_sysv<mode>): Same.
3340
3341 2007-03-24  Paul Brook  <paul@codesourcery.com>
3342
3343         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
3344         * config/arm/linux-eabi.h: Remove legacy syscall hack.
3345
3346 2007-03-24  Richard Henderson  <rth@redhat.com>
3347
3348         * config/ia64/constraints.md: New file.
3349         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
3350         satisfies_constraint_?.
3351         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
3352         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
3353         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
3354         ia64_output_mi_thunk): Likewise.
3355         (ia64_const_ok_for_letter_p): Remove.
3356         (ia64_const_double_ok_for_letter_p): Remove.
3357         (ia64_extra_constraint): Remove.
3358         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
3359         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
3360         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
3361         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
3362         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
3363         EXTRA_MEMORY_CONSTRAINT): Remove.
3364         * config/ia64/ia64.md: Include constriants.md.  Replace
3365         CONST_OK_FOR_? with satisfies_constraint_?.
3366
3367 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
3368             H.J. Lu  <hongjiu.lu@intel.com>
3369
3370         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
3371         DPD or BID name.
3372         (name macros): Use DPD_BID_NAME to convert names properly.
3373
3374         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
3375         decimal floating point format.
3376         (init_floating_libfuncs): Change decimal functions so that they
3377         have a "bid_" prefix if the decimal system uses the BID format,
3378         and "dpd_" prefix if the decimal system uses the DPD format.
3379         (init_interclass_conv_libfuncs): Ditto.
3380         (init_intraclass_conv_libfuncs): Ditto.
3381
3382         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
3383         using the BID format.
3384
3385         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
3386         whether we are using the BID decimal format.
3387         * configure: Regenerate.
3388
3389         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
3390         the compiler has decimal floating point enabled.  Define
3391         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
3392         instead of DPD.
3393
3394         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
3395         using the BID format.
3396
3397         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
3398         whether we are using the BID decimal format.
3399         * configure: Regenerate.
3400
3401         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
3402         the compiler has decimal floating point enabled.  Define
3403         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
3404         instead of DPD.
3405
3406         * doc/install.texi (--enable-decimal-float): Document BID and DPD
3407         options, and that it is enabled for i386/x86_64 systems.
3408
3409         * Makefile.in (enable_decimal_float): New.
3410         (DECNUMFMT): New.
3411         (DECNUMINC): Add  -I$(DECNUMFMT).
3412         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
3413         to $(DECNUMFMT) from $(DECNUM).
3414
3415         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
3416         Substitute enable_decimal_float.
3417         * configure: Regenerated.
3418
3419         PR other/30529
3420         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
3421         unsigned long.
3422
3423         * configure.ac: Enable decimal float for x86_64-*-linux*.
3424         * configure: Regenerated.
3425
3426         PR other/30530
3427         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
3428         decimal128ClearSign to flip and clear the sign bit in decimal128.
3429         (decimal_real_maxval): Set decimal128SetSign to set the sign
3430         bit in decimal128.
3431
3432 2007-03-23  Ian Lance Taylor  <iant@google.com>
3433
3434         * fold-const.c (fold_binary): Correct warning for X - c >= X.
3435
3436 2007-03-23  Ian Lance Taylor  <iant@google.com>
3437
3438         * tree-dump.c (dump_files): Correct comment.
3439
3440 2007-03-23  Ian Lance Taylor  <iant@google.com>
3441
3442         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
3443
3444 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
3445
3446         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
3447         in cfglayout mode.  Don't go into and out of cfglayout mode.
3448         Link the blocks in the order of the constructed traces.
3449         (rest_of_handle_tracer): Adjust call to tracer.
3450         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
3451         Don't go into cfglayout mode.
3452         (rtl_loop_done): Don't go out of cfglayout mode.
3453         * cfglayout.c (relink_block_chain): New function, split out from...
3454         (fixup_reorder_chain): ...here.  Remove redundant checking.
3455         (cfg_layout_finalize): Don't clear the header, footer, and aux
3456         fields here, move the code to do so to relink_block_chain.  Likewise
3457         for free_original_copy_tables.
3458         * rtl.h (tracer): Update prototype.
3459         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
3460         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
3461         mode.  Use relink_block_chain to serialize the CFG according to the
3462         new basic block order.  Move targetm.cannot_modify_jumps_p check from
3463         here...
3464         (gate_handle_reorder_blocks): ...to here.
3465         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
3466         from here...
3467         (gate_duplicate_computed_gotos): ...to here.
3468         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
3469         something always changes when going into and out of cfglayout mode.
3470         Perform an expensive cfg cleanup while going into cfglayout mode.
3471         Always update liveness information on HAVE_conditional_execution
3472         targets.  Reserialize the basic blocks and go out of cfglayout mode.
3473         * reg-stack.c: Include cfglayout.h.
3474         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
3475         the call to reorder_basic_blocks.
3476         * basic-block.h (reorder_basic_blocks): Update prototype.
3477         (relink_block_chain): New prototype.
3478         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
3479
3480 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
3481
3482         * config/mips/mips.md (type, hazard, *movdi_32bit,
3483         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
3484         *movhi_internal, *movqi_internal, *movsf_hardfloat,
3485         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
3486         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
3487         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
3488         applicable.
3489         (movcc): Change first xfer to multi.
3490         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
3491         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
3492         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
3493         config/mips/generic.md: Change reservations using "xfer" to use
3494         "mfc,mtc".
3495         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
3496         using match_operand.
3497         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
3498         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
3499         examining mode.
3500         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
3501
3502 2007-03-22  Richard Henderson  <rth@redhat.com>
3503
3504         * config/i386/i386.c: Remove unnecessary function declarations.
3505         Move targetm definition, and all related macros, to the end of
3506         the file.  Resort some functions to put definitions before uses.
3507         (ix86_attribute_table): Make static.  Move to end of file.
3508         (ix86_gimplify_va_arg): Make static.
3509
3510 2007-03-22  Richard Henderson  <rth@redhat.com>
3511
3512         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
3513         don't increase local_regparm with force_align_arg_pointer check.
3514         (ix86_function_sseregparm): Assert 32-bit.
3515         (type_has_variadic_args_p): New.
3516         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
3517         type_has_variadic_args_p.
3518         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
3519         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
3520         use memset instead.  Do maybe_vaarg check first; skip attribute
3521         tests if true; skip attribute tests for 64-bit.
3522         (construct_container): Remove TARGET_DEBUG_ARG.
3523         (function_arg_advance_32, function_arg_advance_64): Split out ...
3524         (function_arg_advance): ... from here.
3525         (function_arg_32, function_arg_64): Split out ...
3526         (function_arg): ... from here.
3527         (ix86_pass_by_reference): Tidy.
3528         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
3529         (function_value_32): New, from parts of ix86_function_value
3530         and ix86_value_regno.
3531         (function_value_64): New, from parts of ix86_function_value
3532         and ix86_libcall_value.
3533         (ix86_function_value_1): New.
3534         (ix86_function_value, ix86_libcall_value): Use it.
3535         (return_in_memory_32, return_in_memory_64): Split out ...
3536         (ix86_return_in_memory): ... from here.
3537         (ix86_struct_value_rtx): Skip for 64-bit.
3538         (ix86_libcall_value, ix86_value_regno): Remove.
3539         (setup_incoming_varargs_64): Split out ...
3540         (ix86_setup_incoming_varargs): ... from here.
3541         (ix86_va_start): Remove TARGET_DEBUG_ARG.
3542         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
3543         * config/i386/i386-protos.h (ix86_function_value): Remove.
3544         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
3545
3546 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3547
3548         PR other/23572
3549         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
3550         infinities not supported, otherwise emit warning if -Woverflow. On
3551         underflow, emit warning if -Woverflow.
3552         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
3553         and 0 otherwise.
3554         * real.h (real_from_string): Update declaration
3555
3556 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
3557             Richard Henderson  <rth@redhat.com>
3558
3559         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
3560         * calls.c (compute_argument_block_size, expand_call,
3561         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
3562         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
3563         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
3564         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
3565         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
3566         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
3567         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
3568         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
3569         Set to 1.
3570
3571 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
3572
3573         * c-incpath.c (add_sysroot_to_chain): New.
3574         (merge_include_chains): Add sysroot argument.  Call
3575         add_sysroot_to_chain if sysrooted.
3576         (register_include_chains): Update call to merge_include_chains.
3577         * doc/cppopts.texi: Document use of '=' in include directory
3578         arguments.
3579
3580 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
3581
3582         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
3583         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
3584         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
3585         insn pattern using X87MODEF12 mode macro.
3586
3587 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
3588
3589         * regmove.c (regmove_optimize): Use reg_mentioned_p
3590         instead of reg_overlap_mentioned_p for DST.
3591
3592 2007-03-21  Mike Stump  <mrs@apple.com>
3593
3594         * c.opt: Fixup for Objective-C/C++.
3595
3596 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
3597
3598         * explow.c (convert_memory_address): Fold memory reference when
3599         POINTERS_EXTEND_UNSIGNED < 0
3600
3601 2007-03-21  Richard Henderson  <rth@redhat.com>
3602
3603         PR target/31245
3604         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
3605         * config/i386/mmintrin.h (__m64): Likewise.
3606         * config/i386/xmmintrin.h (__m128): Likewise.
3607
3608 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
3609
3610         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
3611         (VXWORKS_OS_CPP_BUILTINS): Define.
3612         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
3613         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
3614
3615 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
3616
3617         * rtl.h (constant_pool_reference_p): Delete.
3618         (find_constant_src): Declare.
3619         * rtlanal.c (find_constant_src): New function.
3620         * simplify-rtx.c (constant_pool_reference_p): Delete.
3621         * config/i386/i386.md: Use find_constant_src instead of
3622         constant_pool_reference_p/avoid_constant_pool_reference pairs.
3623
3624 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
3625
3626         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
3627         * c-cppbuiltin.c (c_cpp_builtins): Define them.
3628
3629 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
3630
3631         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
3632         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
3633         (arm_elf_asm_constructor): Use it.
3634         (arm_elf_asm_destructor): New function.
3635
3636 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
3637
3638         * jump.c (mark_jump_label): Treat SEQUENCE specially.
3639
3640 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
3641
3642         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
3643
3644 2007-03-19  Andrew Haley  <aph@redhat.com>
3645
3646         PR tree-optimization/31264
3647         * tree-vrp.c (register_edge_assert_for_1): Don't look though
3648         VIEW_CONVERT_EXPRs.
3649
3650 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
3651
3652         PR rtl-optimization/30907
3653         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
3654         (fwprop_init): Always call loop_optimizer_initialize.
3655         (fwprop_done): Always call loop_optimizer_finalize.
3656         (fwprop): We always have loop info now.
3657         (gate_fwprop_addr): Remove.
3658         (pass_fwprop_addr): Use gate_fwprop as gate.
3659
3660         PR rtl-optimization/30841
3661         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
3662         df_chain_alloc): Call df_reorganize_refs unconditionally.
3663         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
3664         refs_organized to refs_organized_size.
3665         (df_ref_create_structure): Use refs_organized_size instead of
3666         bitmap_size if refs had been organized, and keep refs_organized_size
3667         up-to-date.
3668         * df.h (struct df_ref_info): Change refs_organized to
3669         refs_organized_size.
3670         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
3671         bitmap_size.
3672
3673 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
3674
3675         * except.c (output_function_exception_table): Do not reference the
3676         EH personality routine for functions that do not require an
3677         exception table.
3678
3679 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
3680
3681         PR c/30762
3682         * c-typeck.c (convert_for_assignment): Call comptypes for
3683         RECORD_TYPE or UNION_TYPE.
3684
3685         PR inline-asm/30505
3686         * reload1.c (reload): Do invalid ASM checking after
3687         cleanup_subreg_operands.
3688
3689 2007-03-19  Jeff Law  <law@redhat.com>
3690
3691         * tree-cfg.c (find_taken_edge): Tighten conditions for
3692         optimizing computed gotos.
3693
3694 2007-03-19  Michael Matz  <matz@suse.de>
3695
3696         * builtins.c (expand_builtin_sync_operation,
3697         expand_builtin_compare_and_swap,
3698         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
3699         correctly.
3700
3701         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
3702         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
3703         for operand 3.
3704
3705 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3706
3707         * doc/tm.texi: Add brackets around the return type of
3708         TARGET_SECONDARY_RELOAD.
3709
3710 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3711         Richard Guenther  <rguenther@suse.de>
3712
3713         PR tree-optimization/31254
3714         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
3715         Use handled_component_p () where appropriate.  Continue
3716         propagating into the rhs if we propagated into an INDIRECT_REF
3717         on the lhs.
3718
3719 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3720
3721         * config/s390/s390.md (op_type attribute): RRR instruction type added.
3722         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
3723         (xde, xdee): Mode attributes adjusted to support DFP modes.
3724         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
3725         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
3726         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
3727         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
3728         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
3729         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
3730         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
3731         numbers.
3732         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
3733         "movsf"): Insn definitions removed.
3734         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
3735         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
3736         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
3737         definitions added.
3738         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
3739         "reload_in<mode>", "reload_out<mode>"): Expander added.
3740         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
3741         Expander removed.
3742
3743 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3744
3745         * config/s390/s390.md: Only non-functional changes.  Renamed
3746         FPR mode macro to BFP all over the file.
3747
3748 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3749
3750         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
3751         (op_type attribute): RRF instruction type added.
3752         (fT0): New mode attribute.
3753         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
3754         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
3755         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
3756         no secondary memory is needed when moving DFmode values between GPRs
3757         and FPRs.
3758
3759 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3760
3761         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
3762         inverted and documentation adjusted.
3763         ("mhard-dfp", "msoft-dfp"): New options.
3764         * config/s390/s390.c (s390_handle_arch_option): New architecture
3765         switch: z9-ec.
3766         (override_options): Sanity checks for the new options added.
3767         * config.gcc: New architecture switch: z9-ec.
3768         * config/s390/s390.h (processor_flags): PF_DFP added.
3769         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
3770         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
3771         when the bit is NOT set so remove it from the defaults.
3772
3773 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3774
3775         * genemit.c (main): Print include statement for dfp.h.
3776         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
3777         is not available.
3778
3779 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
3780
3781         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
3782
3783 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
3784
3785         PR target/31022
3786         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
3787         instead of PATTERN.
3788
3789 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3790
3791         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
3792         attr_length_call, output_call, output_indirect_call): Cleanup
3793         formatting of targetm calls.
3794
3795 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
3796
3797         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
3798
3799 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3800
3801         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
3802         reservation, bypass and anti-bypass descriptions for these instructions.
3803         Update move patterns.
3804         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
3805         TYPE_FPSTORE.
3806
3807 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
3808
3809         * tree-vect-transform.c (get_initial_def_for_induction): Replace
3810         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
3811         (get_initial_def_for_reduction): Likewise.
3812
3813 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
3814
3815         Fix PR tree-optimization/29922
3816         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
3817         (get_representative): Removed.
3818         (value_dies_in_block_x): Update for rvuse removal.
3819         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
3820         (compute_antic_aux): Handle when PHI nodes appear in
3821         non-single-successors.
3822         (dump_bitmap_of_names): Removed.
3823         (compute_antic_safe): Renamed and removed rvuse calculation.
3824         Calculate only antic safe.
3825         (insert_into_preds_of_block): Remove assert.
3826         (execute_pre): Update for renamed functions.
3827         (defer_or_phi_translate_block): New function.
3828
3829 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
3830
3831         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
3832         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
3833         typos.
3834         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
3835         Follow spelling conventions.
3836
3837         * tree-data-ref.h: Remove the prototype for analyze_array.
3838
3839 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
3840
3841         PR tree-optimization/31041
3842         * tree-vect-transform.c (get_initial_def_for_induction): Call
3843         force_gimple_operand.
3844
3845 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
3846
3847         * ipa-type-escape.c (look_for_casts) : Revert code to use
3848         handled_component_p due to ada test a-numaux.adb.
3849
3850 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
3851
3852         * final.c (final_scan_insn): Alter the condition of a
3853         conditional trap if we have nonstandard CC.
3854
3855 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
3856
3857         * configure.ac: Remove excess quoting from asm line 0 test.
3858         * configure: Rebuilt.
3859
3860 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3861
3862         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
3863         * c-common.c (convert_and_check): Move warning logic to...
3864         (warnings_for_convert_and_check): ...here. Define.
3865         * c-common.h (warnings_for_convert_and_check): Declare.
3866
3867 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3868
3869         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
3870         (output_call): Likewise.
3871
3872 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
3873
3874         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
3875
3876 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
3877
3878         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
3879
3880 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
3881
3882         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
3883         opteron, athlon-64 and athlon-fx processor_alias_table entries.
3884
3885 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
3886
3887         PR tree-optimization/31183
3888         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
3889         Use double_int instead of unsigned int for representing access_strides.
3890         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
3891
3892 2007-03-16  Richard Guenther  <rguenther@suse.de>
3893
3894         PR tree-optimization/31146
3895         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
3896         to allow recursion of forward_propagate_addr_expr.
3897         (forward_propagate_addr_into_variable_array_index): Likewise.
3898         (forward_propagate_addr_expr): Likewise.
3899         (tree_ssa_forward_propagate_single_use_vars): Likewise.
3900         (forward_propagate_addr_expr_1): Recurse on simple copies
3901         instead of propagating into them.  Do so for useless conversions
3902         as well.
3903         (forward_propagate_addr_expr): Clean up unused statements after
3904         recursion.
3905
3906 2007-03-16  Richard Guenther  <rguenther@suse.de>
3907
3908         * builtins.c (expand_builtin_cexpi): Use the right argument
3909         for the expansion via cexp.
3910
3911 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
3912
3913         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
3914         * configure: Rebuilt.
3915
3916 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
3917
3918         PR debug/29906
3919         * dwarf2out.c (force_type_die): Adjust comment.
3920         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
3921
3922 2007-03-15  DJ Delorie  <dj@redhat.com>
3923
3924         * config/frv/predicates.md (minmax_operator): Don't check operands
3925         here.
3926
3927 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
3928
3929         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
3930         Update constant estimates of number of iterations.
3931         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
3932         argument renamed to "realistic".
3933         (compute_estimated_nb_iterations): Removed.
3934         (record_niter_bound): New function.
3935         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
3936         call record_nonwrapping_iv with upper = false.
3937         (infer_loop_bounds_from_signedness): Pass upper argument to
3938         record_nonwrapping_iv.
3939         (estimate_numbers_of_iterations_loop): Do not call
3940         compute_estimated_nb_iterations.  Record estimate based on profile
3941         information.  Initialize the constant estimates of number of
3942         iterations.
3943         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
3944         estimates.
3945         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
3946         number of iterations is too small.
3947         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
3948         (EST_NOT_AVAILABLE): Removed.
3949         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
3950         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
3951         fields.
3952
3953 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
3954
3955         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
3956         Handle NE_EXPR guards.
3957
3958 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3959
3960         PR c++/24924
3961         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
3962         Set also -pedantic-errors by default for the  preprocessor unless
3963         -fpermissive is given.
3964
3965 2007-03-15  Richard Guenther  <rguenther@suse.de>
3966
3967         PR middle-end/29719
3968         PR middle-end/31161
3969         * builtins.c (expand_builtin_cexpi): As a fallback if we
3970         don't have builtins for sincos or cexp create a function
3971         declaration for cexp and expand to a call to that.
3972         (expand_builtin_int_roundingfn): Always fall
3973         back to floor/ceil and its variants even if they may be
3974         not available.
3975
3976 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
3977
3978         PR middle-end/31159
3979         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
3980         jump tables, move the call to delete_dead_jumptables from here...
3981         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
3982         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
3983         don't allow merging of blocks that try_redirect_by_replacing_jump
3984         also does not handle when not optimizing.
3985
3986 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
3987             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3988
3989         * config/i386/i386.md (x86_sahf_1): Correctly handle
3990         HAVE_AS_IX86_SAHF.
3991
3992 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
3993
3994         PR target/31167
3995         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
3996         x86_64_general_operand as operand[2] predicate.  Remove "iF"
3997         from operand constraints and use "e" constraint instead.
3998         (*subti3_1, *subti3_1 splitter): Ditto.
3999         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
4000         operand[1] predicate.
4001
4002 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
4003
4004         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
4005         arrays, multiply the access strides by the size of the sub-array.
4006         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
4007
4008 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
4009
4010         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
4011         the configured assembler supports the sahf mnemonic.
4012         * configure: Regenerate.
4013         * config.in: Regenerate.
4014
4015         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
4016         emit "sahf" or ".byte\t0x9e" as asm template.
4017
4018 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
4019
4020         PR 31018
4021         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
4022         option to replace hard coded TARGET_xxx in md file.
4023         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
4024         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
4025         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
4026         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
4027         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
4028         (X86_TUNE_NOT_VECTORMODE): Ditto.
4029         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
4030         (TUNE_AVOID_VECTOR_DECODE): Ditto.
4031         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
4032         (TUNE_SLOW_IMUL_IMM8): Ditto.
4033         (TUNE_MOVE_M1_VIA_OR): Ditto.
4034         (TUNE_NOT_UNPAIRABLE): Ditto.
4035         (TUNE_NOT_VECTORMODE): Ditto.
4036
4037         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
4038         options.
4039
4040         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
4041         tuning options instead of hard coded TARGET_xxx.
4042         (fix ssemode peephole2's): Ditto.
4043         (imul peephole2's): Ditto.
4044         (movsi_or): Ditto.
4045         (movdi_or_rex64): Ditto.
4046         (move peephole2): Ditto.
4047         (not peephole2's): Ditto.
4048
4049 2007-03-14  Dirk Mueller  <dmueller@suse.de>
4050
4051         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
4052         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
4053         * c-parser.c (c_parser_if_body): Always add an empty statement in case
4054         of empty body.
4055         * c-parser.c (c_parser_do_statement): Warn about empty body in
4056         do/while statement.
4057         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
4058         * doc/invoke.texi (-Wempty-body): Update documentation.
4059
4060 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4061
4062         PR c/21438
4063         * c-common.h (warn_for_div_by_zero): Declare.
4064         * c-common.c (warn_for_div_by_zero): Define.
4065         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
4066         warning.
4067
4068 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4069
4070         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
4071         to PREFIX and STANDARD_PREFIX.
4072
4073 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4074             Phil Edwards  <phil@codesourcery.com>
4075
4076         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
4077         (__gthread_once_t): Remove busy field for RTPs.
4078         (__GTHREAD_ONCE_INIT): Update accordingly.
4079
4080 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4081
4082         * doc/invoke.texi: Document VxWorks options.
4083
4084 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
4085
4086         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
4087
4088 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
4089
4090         PR tree-optimization/30590
4091         * tree-nrv.c (tree_nrv): Check for the partial update of the
4092         return value.
4093
4094 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
4095
4096         * flags.h (flag_random_seed): Remove declaration, in favor of...
4097         * toplev.h (get_random_seed, set_random_seed): ... these.
4098         * tree.c (get_file_function_name): Use the former.
4099         * opts.c (common_handle_option): Use the latter.
4100         * toplev.c
4101
4102 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
4103
4104         PR middle-end/31127
4105         * cse.c (cse_find_path): Do not bail out if a basic block that
4106         we already visited now becomes part of a path that starts at a
4107         different basic block.  Just disallow this, to make sure we
4108         visit each basic block at most once.
4109
4110 2007-03-13  Jan Hubicka  <jh@suse.cz>
4111
4112         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
4113         when profile esitmate is present, calls with very low frequency are
4114         cold.
4115
4116 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
4117
4118         PR tree-optimization/30730
4119         PR tree-optimization/26900
4120         * tree-ssa-loop-niter.c: Include gmp.h.
4121         (bounds): New type.
4122         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
4123         split_to_var_and_offset, determine_value_range,
4124         bound_difference_of_offsetted_base, refine_bounds_using_guard,
4125         bound_difference, bounds_add, bounds_negate,
4126         number_of_iterations_ne_max, dump_affine_iv): New functions.
4127         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
4128         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
4129         difference of initial and final value of control iv to validate
4130         results.
4131         (number_of_iterations_cond): Add loop parameter.  Determine bounds
4132         on the difference of the extremes of the control iv.  Add dumps.
4133         (expand_simple_operations): Handle phi nodes.
4134         (simplify_using_initial_conditions): Do not record used conditions.
4135         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
4136         Do not set additional_info.
4137         (implies_nonnegative_p, implies_ge_p): Removed.
4138         (derive_constant_upper_bound): Do not use parameter `additional'.
4139         (record_estimate): Parameter `additional' removed.  Parameter
4140         `i_bound' added.  Do not call derive_constant_upper_bound.
4141         (record_nonwrapping_iv): Use derive_constant_upper_bound to
4142         bound the number of iterations estimate.
4143         (estimate_numbers_of_iterations_loop): Pass the estimate from
4144         the number of iterations analysis to record_estimate.
4145         * tree.h (multiple_of_p): Declare.
4146         * tree-scalar-evolution.c (expression_expensive_p): Removed.
4147         (scev_const_prop): Do not check expression_expensive_p.
4148         * fold-const.c (multiple_of_p): Exported.
4149         * double-int.c (double_int_mask): Exported.
4150         * double-int.h (double_int_mask): Declare.
4151         * tree-flow.h (struct tree_niter_desc): Removed additional_info
4152         field.  Added max field.
4153
4154 2007-03-13  David Taylor  <taylor@candd.org>
4155
4156         PR driver/12448:
4157         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
4158         default -MQ.
4159
4160 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4161
4162         PR target/31123
4163         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
4164         two unamed patterns.
4165
4166 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
4167
4168         * config/i386/i386.opt (mcx16, msahf): New options.
4169         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
4170         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
4171
4172         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
4173         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
4174         Output -mcx16 and -msahf options when corresponding bit is set.
4175
4176         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
4177         and -msahf options.
4178
4179 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
4180
4181         * configure.ac: Test for assembler tolerance to # 0 "".
4182         * configure, config.in: Rebuilt.
4183         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
4184
4185 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
4186
4187         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
4188
4189         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
4190         (handle_syscall): Handle direct system calls.
4191         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
4192
4193 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
4194
4195         * doc/invoke.texi: Fix cpp.info cross-reference.
4196         * doc/passes.texi: Fix gcc.info cross-reference.
4197
4198 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
4199
4200         PR tree-optimization/30835
4201         * lambda-code.c (can_convert_to_perfect_nest): Check whether
4202         bb_for_stmt is not NULL before accessing it.
4203
4204 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
4205
4206         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
4207         some multilibs.
4208
4209 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
4210
4211         PR 30635
4212         * doc/install.texi: Document --enable-stage1-languages
4213
4214 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
4215
4216         * tree-pass.h (pass_into_cfg_layout_mode,
4217         pass_outof_cfg_layout_mode): Declare.
4218         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
4219         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
4220         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
4221         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
4222
4223 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
4224
4225         * c-decl.c (warn_variable_length_array): New function.
4226         Refactored from grokdeclarator to handle warn_vla
4227         and handle unnamed array case.
4228         (grokdeclarator): Refactored VLA warning case.
4229         * c.opt (Wvla): New flag.
4230         * doc/invoke.texi (Wvla): New warning.
4231
4232 2007-03-12  Richard Henderson  <rth@redhat.com>
4233
4234         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
4235         (TARGET_SECTION_TYPE_FLAGS): New.
4236
4237 2007-03-12  Richard Henderson  <rth@redhat.com>
4238
4239         * config/darwin.c (machopic_reloc_rw_mask): New.
4240         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
4241         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
4242
4243 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
4244
4245         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
4246         * cppdefault.h (cpp_PREFIX): Document.
4247         (cpp_PREFIX_len): Likewise.
4248         (cpp_EXEC_PREFIX): New variable.
4249         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
4250         * c-incpath.c (add_standard_paths): Correct logic for relocating
4251         paths within prefix.
4252
4253 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
4254
4255         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
4256         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
4257         mode macro.
4258         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
4259         fix_truncdfdi_sse using SSEMODEF mode macro.
4260         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
4261         fix_truncdfsi_sse using SSEMODEF mode macro.
4262         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
4263         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
4264
4265 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
4266
4267         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
4268         elfos.h to tm_file.
4269
4270 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
4271
4272         * tree.h : Add multiple_of_p declaration.
4273         * fold-const.c (multiple_of_p): Make multiple_of_p public.
4274         * ipa-type-escape.c (results_of_malloc): Redundant.
4275         (visited_stmts): New. Visited stmt for walk_use_def_chains.
4276         (cast_type): Extended with new members.
4277         (check_cast): Returns cast_type.
4278         (cast): New structure for data of walk_use_def_chains.
4279         (is_malloc_result, is_cast_from_non_pointer_1,
4280         is_cast_from_non_pointer,
4281         is_array_access_through_pointer_and_index): New functions.
4282         (look_for_casts): Returns cast types.
4283         (check_call): Returns void.
4284         (okay_pointer_operation): Use support of pointer plus index,
4285         pointer plus constant and allow all multiplications.
4286
4287 2007-03-11  Richard Guenther  <rguenther@suse.de>
4288
4289         PR tree-optimization/31115
4290         * tree-vrp.c (extract_range_from_binary_expr): Make sure
4291         the shift count is positive and non-anti-range for RSHIFT_EXPR.
4292         A shift count of zero is not special as with *_DIV_EXPR.
4293         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
4294         direction.
4295
4296 2007-03-11  Ian Lance Taylor  <iant@google.com>
4297
4298         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
4299         the *_DIV_EXPR codes correctly with overflow infinities.
4300
4301 2007-03-11  Ira Rosen  <irar@il.ibm.com>
4302
4303         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
4304         indicate success/failure of the analysis. Add negation to subtrahend
4305         in case of subtraction. Fail if both operands contain constants.
4306         (create_data_ref): Fail if analyze_offset fails.
4307
4308 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
4309
4310         * config/i386/i386.md (frndintxf2): Rename to ...
4311         (rintxf2): ... this. Remove expander having same name.
4312         (rintsf2, rintdf2): Implement using SSEMODEF macro.
4313         (roundsf2, rounddf2): Ditto.
4314         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
4315         (lround<mode>di2, lround<mode>si2): Ditto.
4316
4317 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
4318
4319         * lower-subreg.c: Include except.h.
4320         (decompose_multiword_subregs): Verify that the only control flow
4321         insns we can split are loads to multi-words pseudos.
4322         Handle breaking such blocks after splitting, instead of calling
4323         find_many_sub_basic_blocks.
4324
4325         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
4326         on the new basic block.  Add a lengthy comment explaining why we
4327         thought this was necessary.
4328         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
4329
4330 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
4331
4332         PR c++/30924
4333         * tree.c (walk_type_fields): Recurse into the element type of
4334         ARRAY_TYPEs if there is a pointer set.
4335
4336 2007-03-10  Dirk Mueller  <dmueller@suse.de>
4337
4338         * c-common.c (warn_logical_operator): Fix condition.
4339
4340 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
4341
4342         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
4343         quotation mark.
4344         * config/darwin.c (machopic_select_section): Remove superfluous
4345         argument in call to categorize_decl_for_section.  Remove unused
4346         variable shlib.
4347
4348 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
4349
4350         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
4351         defined.
4352         * configure: Regenerate.
4353
4354 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
4355
4356         PR target/31101
4357         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
4358         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
4359         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
4360         Add LABEL_NUSES to emitted label.
4361         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
4362         branch probability value to emitted jump insn.
4363         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
4364         Do not check life information and do not re-arrange input operands
4365         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
4366
4367 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
4368
4369         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
4370         the change of decode_asm_operands.
4371
4372 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
4373
4374         * mode-switching.c (create_pre_exit): Skip blockage insn.
4375
4376 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
4377
4378         * tree-pass.h (TODO_update_smt_usage): Remove.
4379         Update all users.
4380         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
4381         argument SOME.
4382         Update all users.
4383
4384 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4385
4386         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
4387         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
4388         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
4389         SOM target.
4390
4391 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
4392
4393         * gcc.c: Document %{, in big comment at top.
4394         (input_suffix_matches): Remove special handling for .s and
4395         .S.
4396         (input_spec_matches): New.
4397         (handle_braces): Handle %{,.
4398         (validate_switches): ',' indicates a value which is not a switch.
4399         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
4400         to detect assembler input.
4401         * config/i386/sol2.h (CPP_SPEC): Likewise.
4402         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
4403         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
4404         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
4405         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
4406         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
4407         -m64 causes deployment target to default to 10.5.
4408         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
4409
4410 2007-03-09  Richard Henderson  <rth@redhat.com>
4411
4412         PR target/26090
4413         * target.h (targetm.asm.out.reloc_rw_mask): New.
4414         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
4415         (TARGET_ASM_OUT): Use it.
4416         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
4417         * varasm.c (categorize_decl_for_section): Remove shlib argument;
4418         use the new reloc_rw_mask target hook instead.
4419         (default_section_type_flags_1): Merge into...
4420         (default_section_type_flags): ... here.
4421         (decl_readonly_section_1): Merge into...
4422         (decl_readonly_section): ... here.
4423         (default_elf_select_section_1): Merge into...
4424         (default_elf_select_section): ... here.
4425         (default_unique_section_1): Merge into...
4426         (default_unique_section): ... here.
4427         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
4428         (default_select_rtx_section): Use it.
4429         (default_elf_select_rtx_section): Likewise.
4430         * output.h: Update to match.
4431         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
4432         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
4433         (TARGET_ASM_RELOC_RW_MASK): New.
4434         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
4435         to categorize_decl_for_section.
4436         (x86_64_elf_unique_section): Likewise.
4437         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
4438         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
4439         (TARGET_ASM_RELOC_RW_MASK): New.
4440         * config/ia64/ia64.c (ia64_rwreloc_select_section,
4441         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
4442         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
4443         (TARGET_RWRELOC): Remove.
4444         (ia64_section_type_flags): Adjust call to default_section_type_flags.
4445         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
4446         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
4447         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
4448         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
4449         (rs6000_xcoff_select_section): Use decl_readonly_section.
4450         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
4451         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
4452         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
4453         (TARGET_SECTION_TYPE_FLAGS): Remove.
4454         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
4455
4456 2007-03-09  Roger Sayle  <roger@eyesopen.com>
4457
4458         * fold-const.c (fold_comparison): Remove compile-time evaluation of
4459         complex constant equality/inequality comparisons for here.
4460         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
4461         known at compile-time or can be simplified to a scalar comparison.
4462         (fold_relational_const): Move compile-time evaluation of complex
4463         constant equality/inequality comparisons to here.
4464
4465 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4466
4467         PR rtl-optimization/30643
4468         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
4469         dest_addr_elt.
4470         (fold_rtx): Recurse, like before 2006-11-03.
4471
4472 2007-03-09  DJ Delorie  <dj@redhat.com>
4473
4474         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
4475         m32c-pragma.o.
4476
4477 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
4478
4479         PR tree-optimization/30375
4480         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
4481         LHS of statements is not the same.
4482         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
4483
4484 2007-03-09  Chao-ying Fu  <fu@mips.com>
4485
4486         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
4487         REV 2.
4488         * doc/invoke.texi (-mdspr2): Document new option.
4489         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
4490         New unspec for DSP REV 2.
4491         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
4492         these instructions are extended in DSP REV 2.
4493         (mips-dspr2.md): Include.
4494         * config/mips/mips.opt (mdspr2): New option.
4495         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
4496         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
4497         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
4498         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
4499         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
4500         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
4501         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
4502         and 2 builtins.
4503         (bdesc_map): Add one field of unsupported_target_flags.
4504         (bdesc_arrays):  Update entries to have extra fields.  Add
4505         dsp_32only_bdesc.
4506         (mips_init_builtins): Initialize new function types.
4507         Check unsupported_target_fileds to filter out builtins.
4508         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
4509         TARGET_DSPR2.
4510         (ASM_SPEC): Pass mdspr2 to the assembler.
4511         * config/mips/mips-dspr2.md: New file.
4512
4513 2007-03-09  Sa Liu  <saliu@de.ibm.com>
4514
4515         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
4516
4517 2007-03-09  Ian Lance Taylor  <iant@google.com>
4518
4519         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
4520         argument) like -Wstrict-overflow=2.
4521         * doc/invoke.texi (Warning Options): Update documentation.
4522
4523 2007-03-09  Dirk Mueller  <dmueller@suse.de>
4524
4525         PR c++/17946
4526         * doc/invoke.texi (-Wlogical-op): Document.
4527         * common.opt (-Wlogical-op): New.
4528         * c-common.h (warn_logical_operator): Declare.
4529         * c-common.c (warn_logical_operator): Define.
4530         * c-typeck.c (parser_build_binary_op): Call
4531         warn_logical_operator.
4532
4533 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4534
4535         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
4536         * final.c (final_scan_insn): Test for non-"" file name.
4537
4538 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
4539
4540         * doc/loop.texi: Document the Omega linear constraints solver.
4541         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
4542         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
4543         omega-hash-table-size, omega-max-keys, and
4544         omega-eliminate-redundant-constraints.
4545         * tree-pass.h (pass_check_data_deps): Declared.
4546         * omega.c: New.
4547         * omega.h: New.
4548         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
4549         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
4550         pass_check_data_deps): New.
4551         * tree-data-ref.c (init_data_ref): Remove declaration.
4552         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
4553         (analyze_array): Renamed init_array_ref, move up initializations.
4554         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
4555         Removed arguments that are set to NULL.
4556         (analyze_indirect_ref): Correct indentation, correct call to
4557         init_pointer_ref.
4558         (object_analysis): Call init_array_ref instead of analyze_array.
4559         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
4560         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
4561         of DR_ACCESS_FNS_ADDR.
4562         (init_omega_eq_with_af, omega_extract_distance_vectors,
4563         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
4564         ddr_consistent_p): New.
4565         (compute_affine_dependence): Check consistency of ddrs when
4566         flag_check_data_deps is passed.
4567         (analyze_all_data_dependences): Uncomment.
4568         (tree_check_data_deps): New.
4569         * tree-data-ref.h: Include omega.h.
4570         (DR_ACCESS_FNS_ADDR): Removed.
4571         (data_dependence_relation): Add inner_loop.
4572         (DDR_INNER_LOOP): New.
4573         * common.opt (fcheck-data-deps): New.
4574         * tree-flow.h (tree_check_data_deps): Declare.
4575         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
4576         (OBJS-common): Depend on omega.o.
4577         (omega.o): Define.
4578         * passes.c (pass_check_data_deps): Scheduled.
4579         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
4580         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
4581         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
4582         PARAM_VECT_MAX_VERSION_CHECKS,
4583         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
4584
4585 2007-03-09  Richard Guenther  <rguenther@suse.de>
4586
4587         PR tree-optimization/30904
4588         PR middle-end/31058
4589         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
4590         the same way as *_DIV_EXPR.
4591
4592 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4593
4594         * recog.c (decode_asm_operands): No mixed declarations and code.
4595
4596 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4597
4598         * rtl.def (ASM_INPUT): Add location.
4599         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
4600         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
4601         (decode_asm_operands): Add loc operand.
4602         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
4603         * stmt.c (expand_asm): Rename to...
4604         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
4605         gen_rtx_ASM_INPUT_loc.
4606         (expand_asm_expr): Adjust.
4607         * recog.c (decode_asm_operands): Add loc operand.
4608         (check_asm_operands, extract_insn): Adjust.
4609         * reload1.c (maybe_fix_stack_asms): Likewise.
4610         * final.c (asm_insn_count): Likewise.
4611         (final_scan_insn): Output # line before and after asm.
4612
4613 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
4614
4615         * tree-ssa-structalias.c (variable_info): Remove
4616         finished_solution.
4617         (new_var_info): Ditto.
4618         (shared_bitmap_info_t): New structure.
4619         (shared_bitmap_table): New variable.
4620         (shared_bitmap_hash): New function.
4621         (shared_bitmap_eq): Ditto
4622         (shared_bitmap_lookup): Ditto.
4623         (shared_bitmap_add): Ditto.
4624         (merge_smts_into): Change to take bitmap directly.
4625         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
4626         (init_alias_vars): Init shared bitmap hashtable.
4627         (delete_points_to_sets): Delete shared bitmap hashtable.
4628         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
4629         is_aliased removal as a change that was still necessary was
4630         deleted.
4631
4632 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
4633
4634         * config/i386/i386.h (override_options): Conditionally disable
4635         x86_sahf for 64bit targets only.
4636
4637 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4638
4639         PR C/31072
4640         * c-decl.c (merge_decls): Don't call make_var_volatile.
4641         * varasm.c (make_var_volatile): Remove.
4642         * output.h (make_var_volatile): Remove.
4643
4644 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
4645
4646         PR tree-optimization/31085
4647         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
4648
4649 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4650
4651         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
4652         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
4653         ATTR_CONST_NOTHROW_LIST.
4654
4655         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
4656         FIX_TRUNC_EXPR.
4657
4658 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
4659
4660         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
4661
4662 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
4663
4664         PR 31013
4665         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
4666         is declared.
4667         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
4668         passed, use shared libgcc.
4669
4670 2007-03-08  Roger Sayle  <roger@eyesopen.com>
4671
4672         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
4673         instead of calling build2 with a GIMPLE_MODIFY_STMT.
4674         (honor_protect_cleanup_actions, lower_try_finally_switch):
4675         Likewise.
4676         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
4677         ifc_temp_var): Likewise.
4678         * tree-inline.c (setup_one_parameter): Likewise.
4679         * tree-mudflap.c (mf_decl_cache_locals,
4680         mf_build_check_statement_for): Likewise.
4681         * tree-nested.c (init_tmp_var, save_tmp_var,
4682         finalize_nesting_tree_1): Likewise.
4683         * tree-outof-ssa.c (insert_copy_on_edge,
4684         insert_backedge_copies): Likewise.
4685         * tree-profile.c (tree_gen_edge_profiler,
4686         tree_gen_ic_profiler): Likewise.
4687         * tree-scalar-evolution.c (scev_const_prop): Likewise.
4688         * tree-sra.c (sra_build_assignment): Likewise.
4689         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
4690         * tree-ssa-math-opts.c (insert_reciprocals,
4691         execute_cse_sincos_1): Likewise.
4692         * tree-tailcall.c (adjust_accumulator_values,
4693         adjust_return_value): Likewise.
4694         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
4695         * tree-vect-transform.c (vect_create_data_ref_ptr,
4696         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
4697         vect_create_epilog_for_reduction, vectorizable_reduction,
4698         vectorizable_call, vectorizable_conversion,
4699         vectorizable_assignment, vectorizable_operation,
4700         vectorizable_type_demotion, vect_gen_widened_results_half,
4701         vect_permute_store_chain, vectorizable_store,
4702         vect_setup_realignment, vect_permute_load_chain,
4703         vectorizable_load, vectorizable_condition,
4704         vect_create_cond_for_align_checks): Likewise.
4705         * tree-vrp.c (build_assert_expr_for): Likewise.
4706
4707 2007-03-08  Ian Lance Taylor  <iant@google.com>
4708
4709         * tree-vrp.c: Include "intl.h".
4710         (usable_range_p): New static function.
4711         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
4712         overflowed values, juts set *strict_overflow_p.
4713         (compare_values): Only return -2 if one of the operands is not a
4714         constant.
4715         (compare_ranges): Call usable_range_p.
4716         (compare_range_with_value): Likewise.
4717         (vrp_evaluate_conditional_warnv): Rename from
4718         vrp_evaluate_conditional.  Make static.  Change all callers.
4719         (vrp_evaluate_conditional): New function.
4720         (simplify_div_or_mod_using_ranges): Issue warning about reliance
4721         on signed overflow.
4722         (simplify_abs_using_ranges): Likewise.
4723         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
4724         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
4725         within_stmt parameter.
4726         * tree-ssa-propagate.c (fold_predicate_in): Update call to
4727         vrp_evaluate_conditional.
4728         * tree-ssa-threadedge.c
4729         (record_temporary_equivalences_from_stmts_at_dest): Change
4730         simplify parameter to take a second tree parameter.
4731         (simplify_control_stmt_condition): Likewise.
4732         (thread_across_edge): Likewise.
4733         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
4734         (thread_across_edge): Likewise.
4735         * Makefile.in (tree-vrp.o): Depend upon intl.h.
4736
4737 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
4738
4739         * config/i386/i386.h (TARGET_SAHF): New define.
4740         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
4741         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
4742         (x86_sahf): New global variable.
4743         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
4744         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
4745         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
4746         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
4747         for 64-bit.
4748         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
4749         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
4750         when expanding fcomi/sahf based tests.
4751         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
4752         expanding sahf based alternative. Emit sahf based sequence when
4753         optimizing for code size.
4754         * config/i386/i386.md (x86_sahf_1): Do not disable for
4755         TARGET_64BIT, enable for TARGET_SAHF.
4756
4757 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
4758
4759         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
4760         spurious whitespace from error message.
4761
4762 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
4763
4764         PR c++/30852
4765         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
4766
4767 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
4768
4769         * c-decl.c (grokdeclarator): Disable warnings for anonymous
4770         bitfields.
4771         * tree-sra.c (instantiate_element): Propagate disabled warnings
4772         from the element itself to the created variable.
4773
4774 2007-03-07  Richard Henderson  <rth@redhat.com>
4775
4776         PR target/30848
4777         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
4778         silently fix up the stack in the case of a missing register.
4779
4780 2007-03-07  Paul Brook  <paul@codesourcery.com>
4781
4782         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
4783
4784 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
4785
4786         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
4787         New.
4788         (phase1_vrs): Use them.
4789         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
4790         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
4791         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
4792         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
4793         __gnu_Unwind_Restore_WMMXC if required.
4794         (_Unwind_VRS_Pop): Implement iWMMXt support.
4795         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
4796         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
4797         gnu_Unwind_Save_WMMXC): Define.
4798
4799 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
4800
4801         * config/vxworks.h (vxworks_override_options): Declare.
4802         (VXWORKS_OVERRIDE_OPTIONS): Use it.
4803         * config/vxworks.c: Include target.h and toplev.h.
4804         (vxworks_override_options): New function.
4805         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
4806
4807 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
4808
4809         * config/s390/s390.c (override_options): Don't emit an error when
4810         -mstack-size is used without providing -mstack-guard.
4811         (s390_emit_prologue): Choose stack_guard value automatically if not
4812         provided via command line.
4813         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
4814
4815 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
4816
4817         * config/i386/i386.c (output_set_got): Add a GOT initialization
4818         sequence for VxWorks PIC.
4819         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
4820         around labels as well as symbols.  Use gotoff_operand instead
4821         of local_symbolic_operand.
4822         (legitimize_pic_address): Use gotoff_operand instead of
4823         local_symbolic_operand.  Use @GOT accesses for labels as
4824         well as symbols.
4825         (ix86_output_addr_diff_elt): Use PC-relative rather than
4826         GP-relative offsets for VxWorks PIC.
4827         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
4828         no_new_pseudos.  Check whether the returned register is op0.
4829         * config/i386/i386.md (tablejump): Use PC-relative rather than
4830         GP-relative offsets for VxWorks PIC.
4831         * config/i386/predicates.md (gotoff_operand): New predicate.
4832
4833 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4834
4835         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
4836         before defining.
4837         * config/vxworks-dummy.h: New file.
4838         * config/i386/i386.h: Include it.
4839
4840 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
4841
4842         * dwarf2out.c (is_inlined_entry_point): New
4843         (add_high_low_attributes): Emit DW_AT_entry_pc along with
4844         DW_AT_ranges if the first subblock is the entry point.
4845
4846 2007-03-06  David Daney  <ddaney@avtrex.com>
4847
4848         * doc/install.texi (mips-*-*): Change recommended binutils
4849         version.
4850
4851 2007-03-06  Anatoly Sokolov <aesok@post.ru>
4852
4853         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
4854         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
4855         devices.
4856         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4857         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4858
4859 2007-03-06  Jan Hubicka  <jh@suse.cz>
4860
4861         * errors.h (warning, error, fatal, internal_error): Mark as cold.
4862         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
4863         are hot.
4864         (probably_cold_bb_p): Cold functions are cold.
4865         (probably_never_executed_bb_p): Cold functions are cold.
4866         (tree_bb_level_predictions): Predict calls to cold functions as not
4867         taken.
4868         (compute_function_frequency): Check hot/cold attributes.
4869         * function.h (function_frequency): Update comments.
4870         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
4871         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
4872         (c_common_att): Add cold and hot.
4873
4874         * doc/extend.texi (hot,cold attributes): Document.
4875
4876 2007-03-06  Andrew Haley  <aph@redhat.com>
4877
4878         * function.c (expand_function_end): Move blockage to just after we
4879         emit the label for the naked return from the function.
4880
4881 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4882
4883         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
4884         before redefining.
4885
4886 2007-03-06  Jan Hubicka  <jh@suse.cz>
4887
4888         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
4889         loaded for constant large models.  Non-large 64bit PIC can do.
4890         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
4891         * cmodel.h: Add LARGE PIC.
4892         * i386.md (UNSPEC_PLTOFF): New.
4893         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
4894         needed.
4895         (*call_1_rex64): Disable for large models.
4896         (*call_1_rex64_large): New.
4897         (*call_value_1_rex64): Disable for large models.
4898         (*call_value_1_rex64_large): New.
4899         (set_rip_rex4): New.
4900         (set_got_offset_rex64): New.
4901         * predicates.md (constant_call_address_operand): For large model
4902         constant calls are not possible.
4903         * i386-protos.h (construct_plt_address): Declare.
4904         * i386.c (override_options): Accept large models.
4905         (ix86_expand_prologue): Expand large PIC GOT pointer load.
4906         (legitimate_constant_p): Add new UNSPECs.
4907         (legitimate_pic_operand_p): Likewise.
4908         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
4909         (legitimize_pic_address): Do easy RIP relative way for TLS only for
4910         non-large model.
4911         (output_pic_addr_const): Add PLTOFF.
4912         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
4913         (ix86_expand_move): Legitimize pic address when in PIC mode.
4914         (construct_plt_address): New function.
4915         (ix86_expand_call): Offload the address to register and use GOT pointer
4916         for large model.
4917         * invoke.texi (mcmodel=large): Update documentation.
4918
4919 2007-03-06  Richard Henderson  <rth@redhat.com>
4920
4921         * config/i386/i386.c (x86_use_leave, x86_push_memory,
4922         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
4923         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
4924         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
4925         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
4926         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
4927         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
4928         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
4929         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
4930         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4931         x86_partial_reg_dependency, x86_memory_mismatch_stall,
4932         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
4933         x86_sse_partial_reg_dependency, x86_sse_split_regs,
4934         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
4935         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
4936         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
4937         x86_schedule, x86_use_bt, x86_pad_returns,
4938         x86_use_xchgb): Merge into ...
4939         (ix86_tune_features): ... here.  New array.
4940         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
4941         x86_bswap): Merge into ...
4942         (ix86_arch_features): ... here.  New array.
4943         (x86_3dnow_a): Remove.
4944         (x86_accumulate_outgoing_args): Make static.
4945         (x86_arch_always_fancy_math_387): Make static.
4946         (ix86_tune_mask, ix86_arch_mask): Move ...
4947         (override_options): ... to local variables here.  Apply the
4948         appropriate mask to each element of ix86_arch_features and
4949         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
4950         as were done in the old macros.
4951         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
4952         * config/i386/i386.h (x86_use_leave, x86_push_memory,
4953         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
4954         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
4955         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
4956         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
4957         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
4958         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
4959         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
4960         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
4961         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
4962         x86_partial_reg_dependency, x86_memory_mismatch_stall,
4963         x86_accumulate_outgoing_args, x86_prologue_using_move,
4964         x86_epilogue_using_move, x86_decompose_lea,
4965         x86_arch_always_fancy_math_387, x86_shift1,
4966         x86_sse_partial_reg_dependency, x86_sse_split_regs,
4967         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
4968         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
4969         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
4970         x86_use_incdec, x86_pad_returns, x86_bswap,
4971         x86_partial_flag_reg_stall): Remove.
4972         (enum ix86_tune_indices): New.
4973         (ix86_tune_features): New.
4974         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
4975         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
4976         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
4977         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
4978         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
4979         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
4980         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
4981         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
4982         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
4983         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
4984         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
4985         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
4986         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
4987         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
4988         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
4989         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
4990         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
4991         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
4992         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
4993         TARGET_EXT_80387_CONSTANTS): Use it.
4994         (enum ix86_arch_indices): New.
4995         (ix86_arch_features): New.
4996         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
4997         TARGET_BSWAP): Use it.
4998         (ix86_tune_mask, ix86_arch_mask): Remove.
4999
5000 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
5001
5002         PR bootstrap/31020
5003         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
5004         Define using $${sysroot_headers_suffix}.
5005         * configure: Regenerate.
5006         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
5007         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
5008         defined.
5009         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
5010         * gcc.c (print_sysroot_headers_suffix): New.
5011         (option_map): Include --print-sysroot-headers-suffix.
5012         (display_help): Mention -print-sysroot-headers-suffix.
5013         (process_command): Handle -print-sysroot-headers-suffix.
5014         (do_spec_1): Append multilib directory to include-fixed path if
5015         sysroot suffixes in use.
5016         (main): Handle -print-sysroot-headers-suffix.
5017         * Makefile.in (start.encap): Don't depend on xlimits.h
5018         (xlimits.h): Remove.
5019         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
5020         limits.h for each multilib in fixinc_list.
5021         (fixinc_list, s-fixinc_list): New.
5022         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
5023         generate them for each multilib in fixinc_list.
5024         (stmp-fixproto): Use include-fixed.  Run fixproto for each
5025         multilib in fixinc_list.
5026         (mostlyclean): Don't remove xlimits.h.
5027         (clean): Remove include-fixed.
5028         (real-install-headers-tar, real-install-headers-cpio,
5029         real-install-headers-cp): Don't copy include, only include-fixed.
5030         (install-mkheaders): Depend on fixinc_list.  Don't depend on
5031         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
5032         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
5033         SYSTEM_HEADER_DIR setting in mkheaders.conf.
5034
5035 2007-03-06  Jan Hubicka  <jh@suse.cz>
5036
5037         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
5038         NANs easilly.
5039
5040 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5041
5042         * configure.ac: Allow tm_file to contain build-directory files.
5043         * configure: Regenerate.
5044         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
5045         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
5046         * config/m68k/print-sysroot-suffix.sh: New file.
5047
5048 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5049
5050         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
5051         of pic_offset_table_rtx if reload_completed.
5052         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
5053         PIC_OFFSET_TABLE_REGNUM.
5054         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
5055         return true.
5056         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
5057         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
5058
5059 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5060
5061         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
5062         functions that call eh_return.
5063
5064 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5065
5066         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
5067         functions that need a constant pool.
5068
5069 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5070
5071         PR target/28181
5072         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
5073         (m68k_preferred_reload_class): Likewise.
5074         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
5075         (SECONDARY_RELOAD_CLASS): Define.
5076         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
5077         (LIMIT_RELOAD_CLASS): Delete.
5078         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
5079         registers from storing bytes.
5080         (m68k_secondary_reload_class): New function.
5081         (m68k_preferred_reload_class): Likewise.
5082
5083 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5084
5085         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
5086         leaf functions.
5087         (m68k_expand_prologue): Likewise.
5088
5089 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5090
5091         * config/m68k/m68k-protos.h (output_sibcall): Declare.
5092         (mips_expand_epilogue): Add a bool parameter.
5093         (m68k_legitimize_sibcall_address): Declare.
5094         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
5095         (m68k_expand_epilogue): Add a parameter to select between sibling
5096         and normal epilogues.  Only generate a return for the latter.
5097         (m68k_ok_for_sibcall_p): New function.
5098         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
5099         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
5100         (sibcall_value, *sibcall_value): Likewise.
5101         (*call, *call_value): Require !SIBLING_CALL_P.
5102         (epilogue): Update call to m68k_expand_epilogue.
5103         (sibcall_epilogue): New pattern.
5104         * config/m68k/predicates.md (const_call_operand): Say that this
5105         predicate applies to sibling calls too.
5106         (sibcall_operand): New predicate.
5107
5108 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5109
5110         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
5111         alternatives as movsi_cf.
5112         (movsf_cf_hard): Add commentary.
5113
5114 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
5115             Richard Sandiford  <richard@codesourcery.com>
5116
5117         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
5118         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
5119         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
5120         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
5121         as being live on exit from an interrupt function.
5122         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
5123         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
5124         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
5125         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
5126         (m68k_interrupt_function_p): Globalize.
5127         (m68k_compute_frame_layout): Remove reverse mask code.
5128         (m68k_emit_movem, m68k_set_frame_related): New functions.
5129         (m68k_output_function_prologue): Delete in favor of...
5130         (m68k_expand_prologue): ...this new function.
5131         (m68k_output_function_epilogue): Delete in favor of...
5132         (m68k_expand_epilogue): ...this new function.
5133         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
5134         functions.
5135         (print_operand): Handle %?.
5136         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
5137         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
5138         (prologue, epilogue): New patterns.
5139         (return): Turn into a define_expand.
5140         (*return): New pattern, derived from old "return" pattern.  Use rte
5141         rather than rts for interrupt functions.  Only use rtd if the pop
5142         count is nonzero.
5143         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
5144         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
5145         (link, *link, unlink, *unlink, load_got): Likewise.
5146
5147 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5148
5149         PR target/23482
5150         PR target/17114
5151         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
5152         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
5153         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
5154         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
5155         and m68k_matches_u_p.
5156         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
5157         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
5158         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
5159         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
5160         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
5161         (REG_STRICT_P): New macro.
5162         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
5163         PCREL_GENERAL_OPERAND_OK.
5164         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
5165         m68k_legitimate_base_reg_p.
5166         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
5167         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
5168         (PIC_CASE_VECTOR_ADDRESS): Update comment.
5169         * config/m68k/m68k.c (m68k_address): New structure.
5170         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
5171         (m68k_decompose_index, m68k_legitimate_constant_address_p)
5172         (m68k_jump_table_ref_p, m68k_decompose_address)
5173         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
5174         (m68k_matches_u_p): New functions.
5175         (print_operand_address): Rewrite to use m68k_decompose_index.
5176
5177 2007-03-05  David Taylor  <dtaylor@emc.com>
5178
5179         * gcc.c: Correct copyright date in --version output.
5180
5181 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5182
5183         * pa.md: In unamed move patterns, disparge copies between general
5184         and floating point registers using '?' modifier.  Don't include 'f'
5185         constraint for register preferences in DImode, SImode, HImode and
5186         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
5187         Remove constraints for copies between general and floating registers
5188         in soft-float DFmode pattern.
5189         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
5190         floating register.
5191         (movsf): Likewise.
5192
5193 2007-03-05  Mike Stump  <mrs@apple.com>
5194
5195         * c-common.c (targetcm): Add.
5196         * c-opts.c (c_common_handle_option): Handle language specific
5197         target options.
5198         * opts.c (handle_option): Verify language for target options, if
5199         any are given.
5200         * opth-gen.awk: Add CL_LANG_ALL.
5201         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
5202         (TARGETCM_INITIALIZER): Add.
5203         * target.h (struct gcc_targetcm): Add.
5204         (targetcm): Add.
5205         * targhooks.c (default_handle_c_option): Add.
5206         * targhooks.h (default_handle_c_option): Add.
5207         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
5208
5209         * config/darwin.opt (iframework): Add.
5210         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
5211         * config/darwin-c.c (handle_c_option): Add.
5212         (TARGET_HANDLE_C_OPTION): Add.
5213         (targetcm): Add.
5214         * doc/invoke.texi (Darwin Options): Add -iframework.
5215
5216 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5217
5218         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
5219         conversion.
5220
5221 2007-03-05  Ian Lance Taylor  <iant@google.com>
5222
5223         * c.opt (fgnu89-inline): New option.
5224         * c-opts.c (c_common_post_options): Set default value for
5225         flag_gnu89_inline.
5226         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
5227         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
5228         inline functions.
5229         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
5230         (grokdeclarator, start_function): Likewise.
5231         * c-cppbuiltin.c (c_cpp_builtins): Define either
5232         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
5233         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
5234         (C Dialect Options): Document -fgnu89-inline.
5235         * doc/extend.texi (Function Attributes): Explain what the
5236         gnu_inline attribute does.
5237         * doc/cpp.texi (Common Predefined Macros): Document
5238         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
5239
5240 2007-03-05  Ian Lance Taylor  <iant@google.com>
5241
5242         PR tree-optimization/31034
5243         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
5244         half-range if the other side is an overflow infinity.
5245
5246 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
5247
5248         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
5249         (bfin*-linux-uclibc*): New configuration.
5250         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
5251         defining.
5252         * config/bfin/linux.h: New file.
5253         * config/bfin/libgcc-bfin.ver: New file.
5254         * config/bfin/t-bfin-uclinux: New file.
5255         * config/bfin/t-bfin-linux: New file.
5256         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
5257         (TARGET_OS_CPP_BUILTINS): New macro.
5258
5259 2007-03-05  Richard Guenther  <rguenther@suse.de>
5260
5261         * fold-const.c (fold_binary): Remove duplicate folding
5262         of comparison of non-null ADDR_EXPR against null.
5263
5264 2007-03-05  Richard Guenther  <rguenther@suse.de>
5265             Dorit Nuzman  <dorit@il.ibm.com>
5266
5267         PR tree-optimization/26420
5268         * tree-vectorizer.c (vectorize_loops): Bail out early if there
5269         are no loops in the function.  Only print the number of
5270         vectorized loops if it is greater than zero or we are supposed
5271         to print information about unvectorized loops.
5272
5273 2007-03-05  Revital Eres  <eres@il.ibm.com>
5274
5275         * gcc.dg/var-expand1.c: New test.
5276         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
5277         when an accumulator is expanded.
5278
5279 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5280
5281         PR other/30465
5282         * c-common.c (convert_and_check): Don't give warnings for
5283         conversion if 'expr' already overflowed.
5284
5285 2007-03-04  Roger Sayle  <roger@eyesopen.com>
5286
5287         PR middle-end/30744
5288         * fold-const.c (fold_comparison): Enforce type consistency when
5289         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
5290
5291 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
5292
5293         * tree-ssa-address.c (create_mem_ref): Do not put an expression
5294         containing a cast to the base of TARGET_MEM_REF.
5295
5296 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
5297
5298         * tree.c (tree_contains_struct_check_failed): Remove spurious
5299         whitespace from error message.
5300
5301 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
5302
5303         PR target/30406
5304         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
5305         instead of precision.
5306
5307 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
5308             Nathan Sidwell  <nathan@codesourcery.com>
5309
5310         * emit-rtl.c (find_auto_inc): New.
5311         (try_split): recreate REG_INC notes,
5312         Use regular for loops rather than whiles.
5313
5314 2007-03-03  Andreas Schwab  <schwab@suse.de>
5315
5316         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
5317         * configure: Regenerate.
5318
5319 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5320
5321         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
5322         flag_rounding_math, not flag_unsafe_math_optimizations.
5323
5324         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
5325         fold_build2.
5326         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
5327         alpha_fold_vector_minmax): Likewise.
5328         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
5329         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
5330
5331 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
5332
5333         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
5334         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
5335         if the lhs has side-effects.
5336         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
5337
5338 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5339
5340         * config/i386/i386.h (TUNEMASK): Remove define.
5341         (ARCHMASK): Remove define.
5342         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
5343          Use ix86_arch_mask variable instead of ARCHMASK.
5344         * config/i386/i386.c (override_options): Ditto.
5345         (standard_80387_constant_p): Ditto.
5346
5347 2007-03-02  Ian Lance Taylor  <iant@google.com>
5348
5349         Used signed infinities in VRP.
5350         * tree-vrp.c (uses_overflow_infinity): New static function.
5351         (supports_overflow_infinity): New static function.
5352         (make_overflow_infinity): New static function.
5353         (negative_overflow_infinity): New static function.
5354         (positive_overflow_infinity): New static function.
5355         (is_negative_overflow_infinity): New static function.
5356         (is_positive_overflow_infinity): New static function.
5357         (is_overflow_infinity): New static function.
5358         (overflow_infinity_range_p): New static function.
5359         (compare_values_warnv): New function split out of compare_values.
5360         (compare_value): Call it.
5361         (set_value_range_to_nonnegative): Add overflow_infinity
5362         parameter.  Change caller.
5363         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
5364         Change callers.
5365         (vrp_expr_computes_nonzero): Likewise.
5366         (compare_ranges, compare_range_with_value): Likewise.
5367         (compare_name_with_value, compare_names): Likewise.
5368         (vrp_evaluate_conditional): Likewise.
5369         (set_value_range): Handle infinity
5370         (vrp_operand_equal_p, operand_less_p): Likewise.
5371         (extract_range_from_assert): Likewise.
5372         (vrp_int_const_binop): Likewise.
5373         (extract_range_from_binary_expr): Likewise.
5374         (extract_range_from_unary_expr): Likewise.
5375         (extract_range_from_comparison): Likewise.
5376         (extract_range_from_expr): Likewise.
5377         (dump_value_range): Likewise.
5378         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
5379         (test_for_singularity): Likewise.
5380         (vrp_int_const_binop): Remove inline qualifier.
5381         (adjust_range_with_scev): Add comment.
5382         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
5383
5384 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
5385
5386         * tree-ssa-structalias.c (could_have_pointers): Tidy.
5387         (get_constraint_for): Likewise.
5388         (do_structure_copy): Likewise.
5389         (find_func_aliases): Fix references to MODIFY_EXPR.
5390         (intra_create_variable_infos): Tidy.
5391         * tree-ssa-operands.c (add_virtual_operand): Add argument
5392         IS_CALL_SITE.
5393         When adding members of alias sets, if IS_CALL_SITE is true and
5394         the symbol is not call-clobbered, skip it.
5395         Adjust all callers.
5396
5397 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
5398
5399         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
5400         entry by means of emit_insn_at_entry.
5401
5402 2007-03-02  Richard Henderson  <rth@redhat.com>
5403
5404         * expr.h (promoted_input_arg): Remove decl.
5405         * function.c (promoted_input_arg): Merge into ...
5406         * combine.c (setup_incoming_promotions): ... only caller.
5407         Rearrange to avoid double loop.
5408
5409 2007-03-02  Ben Elliston  <bje@au.ibm.com>
5410             Peter Bergner  <bergner@vnet.ibm.com>
5411             Janis Johnson  <janis187@us.ibm.com>
5412
5413         * config/rs6000/dfp.md: New file.
5414         * config/rs6000/rs6000.md: Include dfp.md.
5415         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
5416         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
5417         and TDmode decimal float modes in FP registers.
5418         (num_insns_constant): Likewise.
5419         (rs6000_legitimate_offset_address_p): Likewise.
5420         (rs6000_legitimize_address): Likewise.
5421         (rs6000_legitimize_reload_address): Likewise.
5422         (rs6000_legitimate_address): Likewise.
5423         (rs6000_emit_move): Likewise.
5424         (function_arg_boundary): Likewise.
5425         (function_arg_advance): Likewise.
5426         (rs6000_darwin64_record_arg_recurse): Likewise.
5427         (function_arg): Likewise.
5428         (rs6000_gimplify_va_arg): Likewise.
5429         (rs6000_split_multireg_move): Likewise.
5430         (rs6000_output_function_epilogue): Likewise.
5431         (rs6000_output_function_epilogue): Likewise.
5432         (rs6000_register_move_cost): Likewise.
5433         (rs6000_function_value): Likewise.
5434         (rs6000_libcall_value): Likewise.
5435
5436 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
5437
5438         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
5439
5440 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
5441
5442         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
5443         Use $MULTIDIR to choose between the kernel and RTP headers,
5444         and use $WIND_BASE and $WIND_USR to locate them.
5445
5446 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5447
5448         * config/i386/i386.c (override_options): Put initialization of
5449         ix86_tune_mask and ix86_arch_mask to the correct place.
5450
5451 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5452             Michael Meissner  <michael.meissner@amd.com>
5453
5454         PR target/31019
5455         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
5456         (ARCHMASK): Define.
5457         (TARGET_CMOVE): Use ARCHMASK.
5458         (TARGET_CMPXCHG): Ditto.
5459         (TARGET_CMPXCHG8B): Ditto.
5460         (TARGET_XADD): Ditto.
5461         (TARGET_BSWAP): Ditto.
5462         * config/i386/i386.c (ix86_tune_mask): New global variable.
5463         (ix86_arch_mask): Ditto.
5464         (override_options): Initialize ix86_tune_mask and
5465         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
5466         target_flags.
5467
5468 2007-03-02  Ben Elliston  <bje@au.ibm.com>
5469
5470         PR 30992
5471         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
5472
5473 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
5474
5475         * target.h (init_dwarf_reg_sizes_extra): New target hook.
5476         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
5477         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
5478         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
5479         hook.
5480         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
5481         rs6000_init_dwarf_reg_sizes_extra): New.
5482         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
5483         SPE register high parts.
5484
5485 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
5486
5487         * Makefile.in: Add install-pdf target as
5488         copied from automake v1.10 rules.
5489         * configure.ac: Add install-pdf to target list.
5490         * configure: Regenerate.
5491
5492 2007-03-01  Paul Brook  <paul@codesourcery.com>
5493
5494         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
5495         modes to LDRD for DImode.
5496         (output_move_double): Fixup out of range ldrd/strd.
5497         (vfp_secondary_reload_class): Rename...
5498         (coproc_secondary_reload_class): ... to this.  Add wb argument.
5499         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
5500         coproc_secondary_reload_class for CLASS_IWMMXT.
5501         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
5502         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
5503
5504 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
5505
5506         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
5507         factor by the estimated number of iterations.
5508         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
5509         prefetch latency.
5510
5511         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
5512         decode_caches_intel, detect_caches_intel): New functions.
5513         (host_detect_local_cpu): Use detect_caches_amd and
5514         detect_caches_intel.
5515
5516 2007-03-01  Richard Henderson  <rth@redhat.com>
5517
5518         * expr.c (emit_move_complex_push): Export.
5519         (emit_move_complex_parts): Split out from ...
5520         (emit_move_complex): ... here.
5521         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
5522         * config/i386/i386.md (movcdi): New.
5523
5524 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
5525
5526         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
5527         size of mode1 to check for tieable modes in MMX case.
5528
5529 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
5530
5531         * Makefile.in (rtlanal.o): Depend on tree.h.
5532         * rtl.h (offset_within_section_p, split_const): Declare.
5533         * rtlanal.c: Include tree.h.
5534         (offset_within_block_p): New function, taken from
5535         mips_offset_within_object_p.
5536         (split_const): New function, taken from mips_split_const.
5537         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
5538         Declare.
5539         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
5540         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
5541         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
5542         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
5543         (m68k_illegitimate_symbolic_constant_p): New function.
5544         * config/m68k/m68k.md (movsi): Remove misleading predicates.
5545         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
5546         symbolic constant that might be outside the symbol's section,
5547         move the symbol first and then add the offset.
5548         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
5549         Override.
5550         * config/mips/mips.c (mips_split_const): Delete.
5551         (mips_offset_within_object_p): Delete.
5552         (mips_symbolic_constant_p): Use offset_within_section_p and
5553         split_const instead of mips_offset_within_object_p and
5554         mips_split_const.
5555         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
5556         (mips_legitimize_const_move, print_operand_reloc)
5557         (mips_dangerous_for_la25_p): Use split_const instead of
5558         mips_split_const.
5559
5560 2007-02-28  Eric Christopher  <echristo@apple.com>
5561
5562         * Makefile.in (install-include-dir): Don't rm -rf include.
5563
5564 2007-02-28  Richard Guenther  <rguenther@suse.de>
5565
5566         PR middle-end/30364
5567         * fold-const.c (fold_binary): Do not associate expressions
5568         with more than one variable for integer types that do not wrap.
5569
5570 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
5571
5572         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
5573         Delete, and replace with...
5574         (fold_builtin_call_array): This.  Update callers to use it.
5575         * fold-const.c (fold_build_call_list): Delete, and replace with...
5576         (fold_build_call_array): This.
5577         (fold_build_call_list_initializer): Delete, and replace with...
5578         (fold_build_call_array_initializer): This.
5579         * tree.h: Update declarations to reflect above changes.
5580
5581         * c-typeck.c (build_function_call): Store converted arguments
5582         in a stack-allocated array instead of building a list.
5583         (convert_arguments): Store arguments in the array passed in as an
5584         argument, and return the actual number of arguments.
5585         * c-format.c: (check_function_format): Pass arguments in an
5586         array instead of a list.
5587         * c-common.c (check_function_nonnull): Likewise.
5588         (check_function_sentinel): Likewise.
5589         (check_function_arguments): Likewise.
5590         * c-common.h: Update declarations to reflect above changes.
5591
5592 2007-02-28  Jan Hubicka  <jh@suse.cz>
5593
5594         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
5595         PRED_NEGATIVE_RETURN): Update outcomes.
5596
5597 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
5598
5599         * calls.c (emit_library_call_value_1): Handle partial registers
5600         correctly when building up CALL_INSN_FUNCTION_USAGE.
5601
5602 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5603
5604         * pa/predicates.md (move_src_operand): Allow zero for mode.
5605         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
5606         move pattern.
5607
5608 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
5609
5610         PR target/30970
5611         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
5612         *movv2df_internal): Enable pattern only for valid operand
5613         combinations.
5614         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
5615         tie only 128bit modes. For MMX registers, tie only 64bit modes.
5616
5617 2007-02-27  Mike Stump  <mrs@apple.com>
5618
5619         * config/darwin-crt3.c: Avoid compilation when compiling for a
5620         kext multilib.
5621
5622 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
5623
5624         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
5625         FIXED_INCLUDE_DIR.
5626         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
5627         for fixed headers and limits.h.
5628         (install-include-dir, install-headers-tar, install-headers-cpio,
5629         install-headers-cp, real-install-headers-tar,
5630         real-install-headers-cpio, real-install-headers-cp): Handle
5631         include-fixed as well as include.
5632         (install-mkheaders): Don't install files that go only in include
5633         not include-fixed.
5634         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
5635         from GCC_INCLUDE_DIR.
5636         * gcc.c (process_command): Remove special -BstageN/ handling.
5637         (do_spec_1): Add include-fixed directories.
5638
5639 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5640
5641         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
5642         _smulsi3_highpart.
5643         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
5644         New functions.
5645         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
5646         patterns.
5647
5648 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
5649
5650         * c-common.c (get_priority): Add check for
5651         SUPPORTS_INIT_PRIORITY.
5652
5653 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5654
5655         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
5656
5657         * config/bfin/bfin.c: Include "cfglayout.h".
5658         (MAX_LSETUP_DISTANCE): New macro.
5659         (struct loop_info): New members incoming, incoming_src and
5660         incoming_dest.  Delete member predecessor.
5661         (length_for_loop): New function.
5662         (bfin_optimize_loop): Handle more different loop structures.
5663         (bfin_discover_loop): Rework detection of predecessor blocks by
5664         examining incoming edges.
5665         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
5666         bfin_reorg_loops.
5667         (bfin_reorder_loops): New function.
5668         (bfin_reorg_loops): Use these three new functions.
5669
5670         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
5671         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
5672         (CONSTRAINT_LEN): Add entry for 'q'.
5673         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
5674         Add 'q' constraints.
5675         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
5676         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
5677
5678         * config/bfin/bfin.md (add_with_carry): New pattern.
5679         (s_or_u, su_optab, su_modifier): New code macros/attrs.
5680         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
5681         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
5682         support unsigned multiplies too.  Removed incorrect commutativity from
5683         operand 1 constraint where appropriate.
5684         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
5685         patterns.
5686         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
5687         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
5688         New patterns.
5689         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
5690         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
5691         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
5692         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
5693         usmulhisi_hh_huh): New patterns.
5694
5695         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
5696         lshifthi3): Fix output template to use half reg for operand 2.
5697
5698         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
5699         instead of R2.
5700
5701         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
5702
5703 2007-02-27  Andreas Schwab  <schwab@suse.de>
5704
5705         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
5706
5707 2007-02-27  Jan Hubicka  <jh@suse.cz>
5708
5709         * predict.c (last_basic_block_p): Remove.
5710         (tree_estimate_probability): Update return heuristic for commonized
5711         return blocks.
5712
5713 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
5714
5715         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
5716
5717 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
5718
5719         * doc/include/gcc-common.texi (versionsubtitle): New macro.
5720         * doc/cpp.texi: Standardize title page.
5721         * doc/cppinternals.texi: Likewise.
5722         * doc/gcc.texi: Standardize title page, remove version number
5723         from copyright page.
5724         * doc/gccint.texi: Likewise.
5725         * doc/install.texi: Standardize title page, add table of
5726         contents.
5727
5728 2007-02-26  Jan Hubicka  <jh@suse.cz>
5729
5730         * predict.def: Set outcomes according to more recent results.
5731         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
5732         Remove dead predictors.
5733         * predict.c (return_prediction): Fix pasto.
5734
5735 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5736
5737         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
5738         change; avoid a memory leak when returning early.
5739
5740 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
5741
5742         * c-decl.c (static_ctors): Move to c-common.c.
5743         (static_dtors): Likewise.
5744         (finish_function): Use c_record_cdtor_fn.
5745         (build_cdtor): Move to c-common.c.
5746         (c_write_global_declarations): Use c_build_cdtor_fns.
5747         * c-common.h (static_ctors): Declare.
5748         (static_dtors): Likewise.
5749         (c_record_cdtor_fn): Likewise.
5750         (c_build_cdtor_fns): Likewise.
5751         * c-common.c (static_ctors): New variable.
5752         (static_dtors): Likewise.
5753         (c_record_cdtor_fn): New function.
5754         (build_cdtor): Move from c-decl.c
5755         (c_build_cdtor_fns): New function.
5756
5757         * output.h (assemble_addr_to_section): Declare.
5758         (get_cdtor_priority_section): Likewise.
5759         * varasm.c (assemble_addr_to_section): New function.
5760         (get_cdtor_priority_section): Likewise.
5761         (default_named_section_asm_out_destructor): Use them.
5762         (destor_dtor_section_asm_out_destructor): Likewise.
5763         (default_named_section_asm_out_constructor): Likewise.
5764         (default_ctor_section_asm_out_constructor): Likewise.
5765         * config.gcc (*-*-vxworks*): Include vxworks.o.
5766         * config/t-vxworks (vxworks.o): New target.
5767         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
5768         (TARGET_ASM_CONSTRUCTOR): Define.
5769         (TARGET_ASM_DESTRUCTOR): Likewise.
5770         (vxworks_asm_out_constructor): Declare.
5771         (vxworks_asm_out_destructor): Likewise.
5772
5773         * c-common.c (get_priority): Check that we have not just an
5774         INTEGER_CST, but an integer constant with integeral type.
5775
5776 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
5777
5778         PR tree-optimization/30938
5779         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
5780         use &dt[nargs-1] instead of &dt[nargs] in the call to
5781         vect_is_simple_use().
5782
5783 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
5784
5785         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
5786         from register elimination as PRE_MODIFY / POST_MODIFY increments.
5787         Do not attempt to handle MEM inside auto-inc expressions.
5788         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
5789         of a register modified by an auto-inc expression.  However, do handle
5790         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
5791         (elimination_effects): Prohibit elimination of a register modified
5792         by an auto-inc expression.  Disable register elimination rules whose
5793         target register is modified by an auto-inc expression with variable
5794         increment.
5795
5796 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
5797
5798         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
5799         off-by-one error.
5800         (array_at_struct_end_p): New function.
5801         (idx_infer_loop_bounds): Use it.
5802         (estimate_numbers_of_iterations_loop): Export.
5803         * predict.c (predict_loops): Use estimated_loop_iterations_int.
5804         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
5805         (tree_estimate_probability): Call record_loop_exits.
5806         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
5807         (estimated_loop_iterations, estimated_loop_iterations_int,
5808         estimated_loop_iterations_tree): New functions.
5809         (analyze_siv_subscript_cst_affine,
5810         compute_overlap_steps_for_affine_1_2,
5811         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
5812         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
5813         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
5814         (PRED_LOOP_ITERATIONS_GUESSED): New.
5815         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
5816         * cfgloop.h (estimate_numbers_of_iterations_loop,
5817         estimated_loop_iterations_int): Declare.
5818
5819 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
5820
5821         * doc/extend.texi: Document optional priority argument to
5822         constructors and destructors.
5823         * tree.c (init_priority_for_decl): Adjust GTY markers.
5824         (init_ttree): Use priority-info hash functions for
5825         init_priority_for_decl.
5826         (tree_map_eq): Rename to ...
5827         (tree_map_base_eq): ... this.
5828         (tree_map_marked_p): Rename to ...
5829         (tree_map_base_marked_p): ... this.
5830         (tree_map_base_hash): New function.
5831         (decl_init_priority_lookup): Rework.
5832         (decl_fini_priority_lookup): New function.
5833         (decl_priority_info): New function.
5834         (decl_init_priority_insert): Use it.
5835         (decl_fini_priority_insert): Likewise.
5836         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
5837         hierarchy.
5838         (decl_restrict_base_insert): Likewise.
5839         (decl_debug_expr_insert): Likewise.
5840         (decl_value_expr_lookup): Likewise.
5841         (decl_value_expr_insert): Likewise.
5842         * tree.h (priority_type): New type.
5843         (decl_init_priority_lookup): Use priority_type.
5844         (decl_fini_priority_lookup): New function.
5845         (decl_init_priority_insert): Use priority_type.
5846         (decl_fini_priority_insert): New function.
5847         (DECL_HAS_INIT_PRIORITY): Tweak comments.
5848         (DECL_INIT_PRIORITY): Likewise.
5849         (SET_DECL_INIT_PRIORITY): Add comment.
5850         (DECL_FINI_PRIORITY): New macro.
5851         (SET_DECL_FINI_PRIORITY): Likewise.
5852         (DEFAULT_INIT_PRIORITY): Document.
5853         (MAX_INIT_PRIORITY): Likewise.
5854         (MAX_RESERVED_INIT_PRIORITY): Likewise.
5855         (tree_map_base): New type.
5856         (tree_map_base_eq): New function.
5857         (tree_map_base_hash): Likewise.
5858         (tree_map_base_marked_p): Likewise.
5859         (tree_map): Inherit from tree_map_base.
5860         (tree_map_eq): Make it a macro.
5861         (tree_map_marked_p): Likewise.
5862         (tree_int_map): Inherit from tree_map_base.
5863         (tree_int_map_eq): Make it a macro.
5864         (tree_int_map_hash): Likewise.
5865         (tree_int_map_marked_p): Likewise.
5866         (tree_priority_map): New type.
5867         (tree_priority_map_eq): New macro.
5868         (tree_priority_map_hash): Likewise.
5869         (tree_priority_map_marked_p): Likewise.
5870         * varasm.c (emults_decl): Adjust for refactoring of tree_map
5871         hierarchy.
5872         (emutls_common_1): Likewise.
5873         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
5874         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
5875         of tree_map hierarchy.
5876         * tree-cfg.c (move_stmt_r): Likewise.
5877         (new_label_mapper): Likewise.
5878         * c-tree.h (c_expand_body): Move to ...
5879         * c-common.h (c_expand_body): ... here.
5880         * c-decl.c (c_expand_body): Move to ...
5881         * c-common.c (c_expand_body): ... here.
5882         (c_common_attribute_table): Allow 1 argument for the constructor
5883         and destructor attributes.
5884         (get_priority): New function.
5885         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
5886         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
5887
5888 2007-02-24  Jan Hubicka  <jh@suse.cz>
5889
5890         PR middle-end/30509
5891         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
5892
5893 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
5894             Jan Hubicka  <jh@suse.cz>
5895
5896         PR target/30778
5897         * i386.c (counter_mode): New function.
5898         (expand_set_or_movmem_via_loop): Use it.
5899         (expand_movmem_epilogue): Likewise; fix pasto.
5900         (ix86_expand_movmem): Do emit guard even for constant counts.
5901         (ix86_expand_setmem): Likewise.
5902
5903 2007-02-25  Nick Clifton  <nickc@redhat.com>
5904
5905         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
5906         (JUMP_TABLES_IN_TEXT_SECTION): Define.
5907
5908 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
5909
5910         PR target/30770
5911         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
5912         count argument with 0x10, not with 0x16.
5913         (expand_setmem_epilogue): Ditto.
5914
5915 2007-02-24  Mike Stump  <mrs@apple.com>
5916
5917         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
5918         symbols.
5919
5920 2007-02-24  Richard Guenther  <rguenther@suse.de>
5921
5922         PR middle-end/30951
5923         * fold-const.c (fold_binary): Fold x +- CST op x for
5924         EQ_EXPR and NE_EXPR.
5925
5926 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5927
5928         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
5929
5930 2007-02-24  Jan Hubicka  <jh@suse.cz>
5931
5932         * cgraphunit.c (decide_is_function_needed): Honor
5933         -fkeep-inline-functions.
5934
5935 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5936
5937         * builtins.c (fold_builtin_modf): New.
5938         (fold_builtin_2): Use it.
5939
5940 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
5941
5942         * loop-iv.c (implies_p): Detect additional cases where A implies B.
5943         (determine_max_iter): Take additional LOOP arg; all callers changed.
5944         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
5945         one using simplifications.
5946         (simplify_using_initial_values): Return if the expression becomes
5947         invalid due to altered regs.
5948
5949 2007-02-23  DJ Delorie  <dj@redhat.com>
5950
5951         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
5952
5953 2007-02-23  Mike Stump  <mrs@apple.com>
5954
5955         * tlink.c (scan_linker_output): Parse linker messages from
5956         darwin9's linker better.
5957
5958 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
5959
5960         PR debug/29614
5961         * varpool.c (varpool_assemble_pending_decls):  Set
5962         varpool_last_needed_node to null.
5963
5964 2007-02-23  DJ Delorie  <dj@redhat.com>
5965
5966         * config/i386/i386.c (ix86_data_alignment): Don't specify an
5967         alignment bigger than the object file can handle.
5968
5969 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
5970
5971         PR target/30825
5972         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
5973         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
5974         (*movsf_1): Penalize MMX moves.
5975
5976 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
5977
5978         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
5979         2^32-1 or more times unless flag_unsafe_loop_optimizations.
5980
5981         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
5982
5983 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5984
5985         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
5986         (fold_builtin_1): Use them.
5987         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
5988         BUILT_IN_SIGNIFICAND.
5989
5990 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
5991
5992         * config/i386/i386.c (bdesc_1arg): Initialize
5993         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
5994         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
5995         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
5996         and IX86_BUILTIN_MOVSLDUP.
5997
5998 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
5999
6000         PR rtl-optimization/30841
6001         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
6002
6003 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6004
6005         * builtins.c (fold_builtin_frexp): New.
6006         (fold_builtin_2): Use it.
6007
6008 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
6009
6010         * doc/invoke.texi (Spec Files): Document getenv spec function.
6011
6012         * gcc.c (getenv_spec_function): New function.
6013         (static_spec_functions): Add it.
6014         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
6015         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
6016         header files.
6017
6018 2007-02-22  Michael Matz  <matz@suse.de
6019
6020         PR c++/29433
6021         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
6022         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
6023
6024 2007-02-22  Ian Lance Taylor  <iant@google.com>
6025
6026         PR debug/30898
6027         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
6028         (mem_loc_descriptor): Call it.
6029
6030 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
6031             Ira Rosen  <irar@il.ibm.com>
6032
6033         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
6034
6035 2007-02-22  Ira Rosen  <irar@il.ibm.com>
6036
6037         PR tree-optimization/30843
6038         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
6039         stores only after all the group is vectorized.
6040
6041 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
6042
6043         PR tree-optimization/30858
6044         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
6045         in the reduction cycle have a single use in the loop.
6046         * tree-vectorizer.h (relevant): Add documentation.
6047
6048 2007-02-20  Mike Stump  <mrs@apple.com>
6049
6050         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
6051         * configure: Regenerate.
6052
6053 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
6054
6055         Change the defaults of some parameters and options.
6056         * config/spu/spu-protos.h (spu_optimization_options): Declare.
6057         * config/spu/spu.c (spu_optimization_options): Add.
6058         (spu_override_options): Change params in spu_optimization_options.
6059         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
6060
6061         Register 127 is only 16 byte aligned when used as a frame pointer.
6062         * config/spu/spu-protos.h (spu_init_expanders): Declare.
6063         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
6064         HARD_FRAME_POINTER_REGNUM.
6065         (spu_legitimate_address):  Use regno_aligned_for_reload.
6066         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
6067         aligned when frame_pointer_needed is true.
6068         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
6069         to 8 bits.
6070         * config/spu/spu.h (INIT_EXPANDERS): Define.
6071
6072         Make sure shift and rotate instructions have valid immediate operands.
6073         * config/spu/predicates.md (spu_shift_operand): Remove.
6074         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
6075         * config/spu/constraints.md (W, O): Extend range.
6076         * config/spu/spu.md (umask, nmask): Define.
6077         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
6078         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
6079         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
6080         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
6081         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
6082         (lshr<mode>3_reg):  Fix rtl description.
6083
6084         Make sure mulhisi immediate operands are valid.
6085         * config/spu/predicates.md (imm_K_operand): Add.
6086         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
6087
6088         Generate constants using fsmbi and andi.
6089         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
6090         (print_operand, spu_split_immediate, classify_immediate,
6091         fsmbi_const_p): Handle IC_FSMBI2.
6092
6093         Correctly handle a CONST_VECTOR containing symbols.
6094         * config/spu/spu.c (print_operand): Handle HIGH correctly.
6095         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
6096         (immediate_load_p): Allow symbols that use 2 instructions to create.
6097         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
6098         with symbols when flag_pic is set.
6099         (const_vector_immediate_p): New.
6100         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
6101         accept a CONST_VECTOR with symbols.
6102         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
6103         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
6104         correctly.
6105         * config/spu/spu.md (high, low): Delete.
6106         (low_<mode>): Define.
6107
6108         Remove INTRmode and INTR_REGNUM, which didn't work.
6109         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
6110         of INTR_REGNUM.
6111         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
6112         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
6113         peephole2 pattern): Don't use INTR or 131.
6114         (movintrcc): Delete.
6115         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
6116         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
6117         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
6118         (UNSPEC_SET_INTR): Add.
6119         * config/spu/spu-modes.def (INTR): Remove.
6120
6121         More accurate warnings about run-time relocations.
6122         * config/spu/spu.c (reloc_diagnostic): Test in_section.
6123
6124         Correctly warn about immediate arguments to specific intrinsics.
6125         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
6126         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
6127         the instruction predicate.
6128
6129         Fix tree check errors with latest update.
6130         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
6131         CALL_EXPR_ARG.
6132         (spu_expand_builtin): Use CALL_EXPR_FN.
6133
6134         Add missing specific intrinsics.
6135         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
6136         si_bislede.
6137         * config/spu/spu_internals.h: Ditto.
6138
6139         Fix incorrect operand modifiers.
6140         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
6141         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
6142
6143         Optimize one case of zero_extend of a vec_select.
6144         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
6145
6146         Accept any immediate for hbr.
6147         * config/spu/spu.md (hbr):  Change s constraints to i.
6148
6149 2007-02-21  Paul Brook  <paul@codesourcery.com>
6150
6151         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
6152         condexec_count when skipping USE and CLOBBER.
6153
6154 2007-02-21  Nick Clifton  <nickc@redhat.com>
6155
6156         * common.opt (Warray-bounds): Add Warning attribute.
6157         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
6158         Likewise.
6159         (fsized-zeroes): Add Optimization attribute.
6160         (fsplit-wide-types, ftree-scev-cprop): Likewise.
6161         * c.opt (Wc++0x-compat): Add Warning attribute.
6162
6163 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
6164
6165         PR middle-end/30761
6166         * reload1.c (eliminate_regs_in_insn): In the single_set special
6167         case, attempt to re-recognize the insn before falling back to
6168         having reload fix it up.
6169
6170 2007-02-20  Eric Christopher  <echristo@gmail.com>
6171
6172         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
6173         Rewrite accordingly.
6174         (frv_read_iacc_argument): Ditto.
6175         (frv_expand_set_builtin): Take a call instead of arglist, update for
6176         above changes.
6177         (frv_expand_unop_builtin): Ditto.
6178         (frv_expand_binop_builtin): Ditto.
6179         (frv_expand_cut_builtin): Ditto.
6180         (frv_expand_binopimm_builtin): Ditto.
6181         (frv_expand_voidbinop_builtin): Ditto.
6182         (frv_expand_int_void2arg): Ditto.
6183         (frv_expand_prefetches): Ditto.
6184         (frv_expand_voidtriop_builtin): Ditto.
6185         (frv_expand_voidaccop_builtin): Ditto.
6186         (frv_expand_load_builtin): Ditto.
6187         (frv_expand_store_builtin): Ditto.
6188         (frv_expand_mdpackh_builtin): Ditto.
6189         (frv_expand_mclracc_builtin): Ditto.
6190         (frv_expand_mrdacc_builtin): Ditto.
6191         (frv_expand_mwtacc_builtin): Ditto.
6192         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
6193         calls for above.
6194
6195 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
6196
6197         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
6198         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
6199         cmpb instruction.
6200         (HAVE_GAS_DFP): Check for assembler support of decimal floating
6201         point instructions.
6202         * configure: Regenerate.
6203         * config.in: Regenerate.
6204         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
6205         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
6206         masks to power6 and power6x and to POWERPC_MASKS.
6207         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
6208         _ARCH_PWR6.
6209         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
6210         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
6211         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
6212         Access PROTOTYPE as variable, not mask.
6213
6214 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
6215
6216         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
6217         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
6218         * combine.c (adjust_for_new_dest): Use it.
6219         * postreload.c (reload_combine): Likewise.
6220
6221 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
6222
6223         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
6224         notes on an insn with multiple sets, even if single_set returns
6225         non-NULL for that insn.
6226
6227 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6228
6229         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
6230         scalbn and scalbln.
6231
6232 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
6233
6234         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
6235         if user didn't pass it.
6236         * config/i386/darwin.h (CC1_SPEC): Likewise.
6237         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
6238         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
6239         -mmacosx-version-min.
6240
6241 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6242             Uros Bizjak  <ubizjak@gmail.com>
6243
6244         * optabs.h (enum optab_index): Add new OTI_scalb.
6245         (scalb_optab): Define corresponding macro.
6246         * optabs.c (init_optabs): Initialize scalb_optab.
6247         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
6248         patterns.
6249         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
6250         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
6251         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
6252         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
6253         flag_unsafe_math_optimizations is set.
6254
6255         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
6256         to implement scalbf, scalb and scalbl built-ins as inline x87
6257         intrinsics.
6258
6259 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6260             DJ Delorie <dj@redhat.com>
6261
6262         PR other/30824
6263         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
6264         (diagnostic_report_diagnostic): ... here, and turn them into real
6265         errors. If warnings are inhibited, no need to do anything.
6266
6267 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
6268
6269         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
6270         better code generation.
6271
6272 2007-02-20  Ben Elliston  <bje@au.ibm.com>
6273
6274         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
6275
6276 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
6277
6278         * config/alpha/alpha.c, config/alpha/alpha.md,
6279         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
6280         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
6281         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
6282         config/arm/lib1funcs.asm: Follow spelling conventions.
6283
6284         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
6285         config/fr30/fr30.md, config/i386/i386.h,
6286         config/iq2000/iq2000.h, config/iq2000/predicates.md,
6287         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
6288         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
6289         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
6290         config/rs6000/altivec.md, config/rs6000/rs6000.c,
6291         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
6292         config/sparc/sparc.c, config/sparc/sparc.h,
6293         config/sparc/sparc.md, config/spu/constraints.md,
6294         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
6295         conventions.
6296
6297 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
6298
6299         PR target/29943
6300         * varasm.c (use_blocks_for_decl_p): Return false for decls with
6301         alias attribute.
6302
6303 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
6304
6305         * doc/invoke.texi (-ftree-lrs): Remove.
6306
6307 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
6308
6309         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
6310         NULL.
6311
6312 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
6313
6314         * config/ia64/ia64.c (ia64_expand_builtin): Use the
6315         new CALL_EXPR_FN macro for retrieving the function
6316         declaration of the input expression.
6317
6318 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6319
6320         * c.opt (Waddress): New.
6321         * common.opt (Walways-true): Delete.
6322         (Wstring-literal-comparison): Delete.
6323         * doc/invoke.texi (Warning Options): Delete -Walways-true and
6324         -Wstring-literal-comparison. Add -Waddress.
6325         (Waddress): New.
6326         (Walways-true): Delete.
6327         (Wstring-literal-comparison): Delete.
6328         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
6329         consistently instead of -Walways-true in example.
6330         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
6331         * c-typeck.c (parser_build_binary_op): Replace
6332         -Wstring-literal-comparison and -Walways-true with -Waddress.
6333         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
6334         with -Waddress.
6335
6336 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
6337
6338         * tree-cfg.c (dump_function_to_file): Be prepared for functions
6339         without DECL_STRUCT_FUNCTION initialized.
6340
6341 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
6342
6343         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
6344         due to calls to functions taking pointers as parameters.
6345
6346 2007-02-19  Richard Henderson  <rth@redhat.com>
6347
6348         PR debug/29558
6349         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
6350         in memory.
6351
6352 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
6353
6354         * config/s390/s390.c (s390_call_saved_register_used,
6355         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
6356         accessed to the new scheme.
6357
6358 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
6359
6360         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
6361         (cris_print_index, cris_print_operand, cris_print_operand_address)
6362         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
6363         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
6364         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
6365         GET_CODE () == xxx.
6366         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
6367         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
6368         GO_IF_LEGITIMATE_ADDRESS): Ditto.
6369         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
6370         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
6371         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
6372         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
6373         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
6374         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
6375         (uminsi3, call, call_value): Ditto.
6376         (define_split: indir_to_reg_split, unnamed): Ditto.
6377
6378 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
6379
6380         PR tree-optimization/30975
6381         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
6382         wrong assert.
6383
6384 2007-02-18  Eric Christopher  <echristo@gmail.com>
6385
6386         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
6387         Remove use of arglist.
6388         (mips_expand_builtin): Remove use of arglist, pass in expr.
6389         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
6390         (mips_expand_builtin_movtf): Ditto.
6391         (mips_expand_builtin_compare): Ditto.
6392
6393 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
6394
6395         * tree-sra.c (sra_build_assignment): Replace assertion
6396         checking with a comment explaining why it can't be done.
6397
6398 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
6399
6400         PR middle-end/30833
6401         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
6402         during CALL_EXPR representation conversion.
6403         * tree-ssa-propagate.c (set_rhs): Likewise.
6404
6405 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
6406
6407         * tree-sra.c (sra_build_assignment): Disable assertion checking
6408         for now.
6409
6410 2007-02-18  Roger Sayle  <roger@eyesopen.com>
6411
6412         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
6413         instead of calling build2 with a GIMPLE_MODIFY_STMT.
6414         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
6415         Likewise.
6416         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
6417         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
6418         gimplify_init_ctor_eval_range, gimple_push_cleanup,
6419         gimplify_omp_for, gimplify_omp_atomic_pipeline,
6420         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
6421         force_gimple_operand): Likewise.
6422         * ipa-cp.c (constant_val_insert): Likewise.
6423         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6424         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
6425         perfect_nestify): Likewise.
6426         * langhooks.c (lhd_omp_assignment): Likewise.
6427         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
6428         lower_copyprivate_clauses, lower_send_clauses,
6429         lower_send_shared_vars, expand_parallel_call,
6430         expand_omp_for_generic, expand_omp_for_static_nochunk,
6431         expand_omp_for_static_chunk, expand_omp_sections,
6432         lower_omp_single_copy, lower_omp_for_lastprivate,
6433         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
6434         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
6435         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
6436         Likewise.
6437
6438 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
6439
6440         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
6441         config/sh/sh.md: Follow spelling conventions.
6442
6443         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
6444         config/frv/predicates.md: Follow spelling conventions.
6445
6446         * config/m68k/linux-unwind.h: Fix a comment typo.
6447         * target.h: Follow spelling conventions.
6448
6449 2007-02-18  Roger Sayle  <roger@eyesopen.com>
6450
6451         PR rtl-optimization/28173
6452         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
6453         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
6454         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
6455         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
6456         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
6457
6458 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6459
6460         * builtins.c (fold_builtin_load_exponent): New.
6461         (fold_builtin_2): Use it.
6462
6463 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
6464
6465         PR rtl-optimization/30773
6466         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
6467         if we fail to attach a REG_EQUIV note.
6468
6469 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
6470             Roger Sayle  <roger@eyesopen.com>
6471
6472         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
6473
6474 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
6475
6476         * calls.c (initialize_argument_information): Pass original EXP
6477         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
6478         code to split complex arguments here, as part of initializing the
6479         ARGS array.
6480         (expand_call): Remove code that builds a list of arguments and
6481         inserts implicit arguments into it.  Instead, just count how many
6482         implicit arguments there will be so we can determine the size of
6483         the ARGS array, and let initialize_argument_information do the work.
6484         (split_complex_values): Delete unused function.
6485
6486 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
6487
6488         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
6489
6490 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
6491
6492         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
6493         for arg pointer based indexed addressing.
6494
6495 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
6496
6497         * config/ia64/ia64.h, config/ia64/ia64.md,
6498         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
6499         spelling conventions.
6500
6501 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
6502
6503         * config/m68k/m68k.c (split_di): New.
6504         * config/m68k/m68k-protos.h: Declare split_di.
6505         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
6506           Improve predicate handling and split constant shifts.
6507
6508 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
6509
6510         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
6511         parameter for register bitfield operations, general predicates
6512         cleanup
6513
6514 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
6515
6516         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
6517         * config/m68k/linux-unwind.h: New file.
6518
6519 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
6520
6521         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
6522         config/i386/athlon.md, config/ia64/ia64.md,
6523         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
6524         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
6525         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
6526         tree-ssa-loop-niter.c, tree-vect-analyze.c,
6527         tree-vect-transform.c: Fix comment typos.
6528
6529 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
6530
6531         * sched-deps.c (find_insn_list): Remove.
6532         * sched-int.h: Remove the prototype for find_insn_list.
6533
6534 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
6535
6536         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
6537         to linker.
6538         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
6539         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
6540         darwin_rs6000_override_options.
6541         (C_COMMON_OVERRIDE_OPTIONS): Expect
6542         darwin_macosx_version_min to be non-NULL always.
6543         (TARGET_C99_FUNCTIONS): Likewise.
6544         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
6545         (DARWIN_MINVERSION_SPEC): New.
6546         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
6547         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
6548         to cc1*.
6549         (DARWIN_MINVERSION_SPEC): New.
6550         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
6551         value.
6552         * config/darwin-c.c (darwin_cpp_builtins): Expect
6553         darwin_macosx_version_min to be non-NULL always.
6554
6555         * config/rs6000/rs6000.c: Clean up trailing whitespace.
6556
6557 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
6558
6559         * config/i386/i386.h (x86_use_xchgb): New.
6560         (TARGET_USE_XCHGB): New macro.
6561         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
6562         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
6563         Split after reload into bswaphi for shifts of 8.
6564         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
6565         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
6566         or when optimizing for size.
6567
6568 2007-02-16  Richard Guenther  <rguenther@suse.de>
6569             Christian Bruel  <christian.bruel@st.com>
6570
6571         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
6572         DECLs but prefer SSA_NAMEs over DECLs.
6573
6574 2007-02-16  Richard Guenther  <rguenther@suse.de>
6575
6576         * tree-flow-inline.h (single_imm_use_p): Remove.
6577         (zero_imm_uses_p): Likewise.
6578         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
6579         instead of single_imm_use_p.
6580         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
6581         zero_imm_uses_p.
6582
6583 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6584
6585         PR other/27843
6586         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
6587         nested double- and backquotes.
6588
6589 2007-02-15  Roger Sayle  <roger@eyesopen.com>
6590
6591         PR middle-end/30391
6592         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
6593         should be unreachable.
6594         (build2_stat): Allow construction of MODIFY_EXPR at any time.
6595         For the time being redirect GIMPLE_MODIFY_STMT to the new
6596         (renamed) build_gimple_modify_stmt_stat.
6597         (build2_gimple_stat): Rename to...
6598         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
6599         Always build a GIMPLE_MODIFY_STMT node.
6600         * tree.h (build2_gimple, build2_gimple_stat): Delete.
6601         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
6602         declarations.
6603
6604         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
6605         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
6606         * tree-complex.c (set_component_ssa_name, expand_complex_move,
6607         expand_complex_div_wide): Likewise.
6608         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
6609         * tree-ssa-loop-im.c (schedule_sm): Likewise.
6610         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
6611         * tree-ssa-loop-manip.c (create_iv): Likewise.
6612         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
6613         abs_replacement): Likewise.
6614         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
6615         realify_fake_stores): Likewise.
6616
6617         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
6618         node rather than a GIMPLE_MODIFY_STMT node.
6619         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
6620         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
6621         Likewise.
6622         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
6623         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
6624         GIMPLE_MODIFY_STMT.
6625
6626 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6627
6628         PR middle-end/30433
6629         * fold-const.c (fold_comparison): Add back the
6630         folding of constant complex comparisions.
6631
6632 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6633
6634         PR middle-end/30729
6635         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
6636         effects unknown to this function, return early.
6637
6638 2007-02-15  Ian Lance Taylor  <iant@google.com>
6639
6640         * lower-subreg.c (move_eh_region_note): New static function.
6641         (resolve_simple_move): Call it.
6642         (decompose_multiword_subregs): Track blocks for which we resolve a
6643         simple move which is also a control flow insn.  Pass them to
6644         find_many_sub_basic_blocks.
6645         (pass_lower_subreg): Add TODO_verify_flow.
6646         (pass_lower_subreg2): Likewise.
6647
6648 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6649             Brooks Moses  <brooks.moses@codesourcery.com>
6650             Lee Millward  <lee.millward@codesourcery.com>
6651
6652         * tree.h (enum tree_code_class): Add tcc_vl_exp.
6653         (VL_EXP_CLASS_P): New.
6654         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
6655         TREE_CODE_LENGTH.
6656         (TREE_OPERAND_CHECK_CODE): Likewise.
6657         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
6658         (TREE_RTL_OPERAND_CHECK): Likewise.
6659         (tree_operand_check_failed): Make second parameter the whole tree
6660         instead of its code.  Fixed callers.
6661         (VL_EXP_CHECK): New.
6662         (TREE_OPERAND_LENGTH): New.
6663         (VL_EXP_OPERAND_LENGTH): New.
6664         (CALL_EXPR_FN): New.
6665         (CALL_EXPR_STATIC_CHAIN): New.
6666         (CALL_EXPR_ARGS): New.
6667         (CALL_EXPR_ARG): New.
6668         (call_expr_nargs): New.
6669         (CALL_EXPR_ARGP): New.
6670         (build_nt_call_list): Declare.
6671         (build_vl_exp_stat): Declare.
6672         (build_vl_exp): New.
6673         (build_call_list): Declare.
6674         (build_call_nary): Declare.
6675         (build_call_valist): Declare.
6676         (build_call_array): Declare.
6677         (call_expr_arg): Declare.
6678         (call_expr_argp): Declare.
6679         (call_expr_arglist): Declare.
6680         (fold_build_call_list): Declare.
6681         (fold_build_call_list_initializer): Declare.
6682         (fold_call_expr): Declare to replace fold_builtin.
6683         (fold_builtin_fputs): Update to agree with modified definition.
6684         (fold_builtin_strcpy): Likewise.
6685         (fold_builtin_strncpy): Likewise.
6686         (fold_builtin_memory_chk): Likewise.
6687         (fold_builtin_stxcpy_chk): Likewise.
6688         (fold_builtin_strncpy_chk): Likewise.
6689         (fold_builtin_next_arg): Likewise.
6690         (fold_build_call_expr): Declare.
6691         (fold_builtin_call_list): Declare.
6692         (fold_builtin_call_valist): Declare.
6693         (build_call_expr): Declare.
6694         (validate_arglist): Update to agree with modified definition.
6695         (tree_operand_length): New.
6696         (call_expr_arg_iterator): New.
6697         (init_call_expr_arg_iterator): New.
6698         (next_call_expr_arg): New.
6699         (first_call_expr_arg): New.
6700         (more_call_expr_args_p): New.
6701         (FOR_EACH_CALL_EXPR_ARG): New.
6702
6703         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
6704         and tcc_gimple_stmt.
6705         (tree_code_size): Update documentation.  Use sizeof (tree) rather
6706         than sizeof (char *).
6707         (tree_size): Likewise.  Add case for tcc_vl_exp.
6708         (tree_node_structure): Add case for tcc_vl_exp.
6709         (contains_placeholder_p): Likewise.
6710         (substitute_in_expr): Likewise.
6711         (substitute_placeholder_in_expr): Likewise.
6712         (stabilize_reference_1): Likewise.
6713         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
6714         to diagnose breakage of this interface for constructing CALL_EXPRs.
6715         (build_nt): Add similar assertion here.
6716         (build_nt_call_list): New.
6717         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
6718         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
6719         TREE_CODE_LENGTH.
6720         (get_callee_fndecl): Use new CALL_EXPR accessors.
6721         (tree_operand_check_failed): Change parameters to pass entire node
6722         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
6723         (process_call_operands): New.
6724         (build_vl_exp_stat): New.
6725         (build_call_list): New.
6726         (build_call_nary): New.
6727         (build_call_valist): New.
6728         (build_call_array): New.
6729         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6730         (call_expr_arglist): New.
6731
6732         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
6733         tcc_vl_exp instead of a fixed-size tcc_expression.
6734
6735         * doc/c-tree.texi (CALL_EXPR): Document new representation and
6736         accessors for CALL_EXPRs.
6737         (AGGR_INIT_EXPR): Likewise.
6738
6739 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6740             Brooks Moses  <brooks.moses@codesourcery.com>
6741             Lee Millward  <lee.millward@codesourcery.com>
6742
6743         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
6744         (expand_builtin_nonlocal_goto): Change parameter to be entire
6745         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
6746         (expand_builtin_prefetch): Likewise.
6747         (expand_builtin_classify_type): Likewise.
6748         (mathfn_built_in): Return NULL_TREE instead of 0.
6749         (expand_errno_check): Use new CALL_EXPR accessors.
6750         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
6751         Return NULL_RTX instead of 0.
6752         (expand_builtin_mathfn_2): Likewise.
6753         (expand_builtin_mathfn_3): Likewise.
6754         (expand_builtin_interclass_mathfn): Likewise.
6755         (expand_builtin_sincos): Likewise.
6756         (expand_builtin_cexpi): Likewise.
6757         (expand_builtin_int_roundingfn): Likewise.
6758         (expand_builtin_int_roundingfn_2): Likewise.
6759         (expand_builtin_pow): Likewise.
6760         (expand_builtin_powi): Likewise.
6761         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
6762         of arglist, fixing callers appropriately.  Use new CALL_EXPR
6763         accessors and constructors.  Return NULL_RTX instead of 0.
6764         (expand_builtin_strstr): Likewise.
6765         (expand_builtin_strchr): Likewise.
6766         (expand_builtin_strrchr): Likewise.
6767         (expand_builtin_strpbrk): Likewise.
6768         (expand_builtin_memcpy): Likewise.
6769         (expand_builtin_mempcpy): Likewise.
6770         (expand_builtin_mempcpy_args): New.
6771         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
6772         (expand_builtin_memmove_args): New.
6773         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
6774         (expand_movstr): Likewise.
6775         (expand_builtin_strcpy): Likewise.
6776         (expand_builtin_strcpy_args): New.
6777         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
6778         (expand_builtin_strncpy): Likewise.
6779         (expand_builtin_memset): Likewise.
6780         (expand_builtin_memset_args): New.
6781         (expand_builtin_bzero): Similarly to expand_builtin_memset.
6782         (expand_builtin_memcmp): Likewise.
6783         (expand_builtin_strcmp): Likewise.
6784         (expand_builtin_strncmp): Likewise.
6785         (expand_builtin_strcat): Likewise.
6786         (expand_builtin_strncat): Likewise.
6787         (expand_builtin_strspn): Likewise.
6788         (expand_builtin_strcspn): Likewise.
6789         (expand_builtin_args_info): Likewise.
6790         (expand_builtin_va_start): Likewise.
6791         (gimplify_va_arg_expr): Likewise.
6792         (expand_builtin_va_end): Likewise.
6793         (expand_builtin_va_copy): Likewise.
6794         (expand_builtin_frame_address): Likewise.
6795         (expand_builtin_alloca): Likewise.
6796         (expand_builtin_bswap): Likewise.
6797         (expand_builtin_unop): Likewise.
6798         (expand_builtin_fputs): Likewise.
6799         (expand_builtin_expect): Likewise.
6800         (expand_builtin_fabs): Likewise.
6801         (expand_builtin_copysign): Likewise.
6802         (expand_builtin_printf): Likewise.
6803         (expand_builtin_fprintf): Likewise.
6804         (expand_builtin_sprintf): Likewise.
6805         (expand_builtin_init_trampoline): Likewise.
6806         (expand_builtin_signbit): Likewise.
6807         (expand_builtin_fork_or_exec): Likewise.
6808         (expand_builtin_sync_operation): Likewise.
6809         (expand_builtin_compare_and_swap): Likewise.
6810         (expand_builtin_lock_test_and_set): Likewise.
6811         (expand_builtin_lock_release): Likewise.
6812         (expand_builtin): Likewise.
6813         (builtin_mathfn_code): Likewise.
6814
6815         (fold_builtin_constant_p): Pass call arguments individually instead
6816         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
6817         accessors and constructors.  Return NULL_TREE instead of 0.
6818         (fold_builtin_expect): Likewise.
6819         (fold_builtin_classify_type): Likewise.
6820         (fold_builtin_strlen): Likewise.
6821         (fold_builtin_nan): Likewise.
6822         (integer_valued_real_p): Likewise.
6823         (fold_trunc_transparent_mathfn): Likewise.
6824         (fold_fixed_mathfn): Likewise.
6825         (fold_builtin_cabs): Likewise.
6826         (fold_builtin_sqrt): Likewise.
6827         (fold_builtin_cbrt): Likewise.
6828         (fold_builtin_cos): Likewise.
6829         (fold_builtin_cosh): Likewise.
6830         (fold_builtin_tan): Likewise.
6831         (fold_builtin_sincos): Likewise.
6832         (fold_builtin_cexp): Likewise.
6833         (fold_builtin_trunc): Likewise.
6834         (fold_builtin_floor): Likewise.
6835         (fold_builtin_ceil): Likewise.
6836         (fold_builtin_round): Likewise.
6837         (fold_builtin_int_roundingfn): Likewise.
6838         (fold_builtin_bitop): Likewise.
6839         (fold_builtin_bswap): Likewise.
6840         (fold_builtin_logarithm): Likewise.
6841         (fold_builtin_hypot): Likewise.
6842         (fold_builtin_pow): Likewise.
6843         (fold_builtin_powi): Likewise.
6844         (fold_builtin_exponent): Likewise.
6845         (fold_builtin_memset): Likewise.
6846         (fold_builtin_bzero): Likewise.
6847         (fold_builtin_memory_op): Likewise.
6848         (fold_builtin_bcopy): Deleted; call site changed to invoke
6849         fold_builtin_memory_op directly.
6850         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
6851         (fold_builtin_strncpy): Likewise.
6852         (fold_builtin_memcmp): Likewise.
6853         (fold_builtin_strcmp): Likewise.
6854         (fold_builtin_strncmp): Likewise.
6855         (fold_builtin_signbit): Likewise.
6856         (fold_builtin_copysign): Likewise.
6857         (fold_builtin_isascii): Likewise.
6858         (fold_builtin_toascii): Likewise.
6859         (fold_builtin_isdigit): Likewise.
6860         (fold_builtin_fabs): Likewise.
6861         (fold_builtin_abs): Likewise.
6862         (fold_builtin_fmin_fmax): Likewise.
6863         (fold_builtin_carg): Likewise.
6864         (fold_builtin_classify): Likewise.
6865         (fold_builtin_unordered_cmp): Likewise.
6866
6867         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
6868         New functions split out from fold_builtin_1.
6869         (fold_builtin_n): New.
6870         (fold_builtin_varargs): New.
6871         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
6872         instead.
6873         (fold_call_expr): New.
6874         (build_function_call_expr): Rewrite to use new helper function.
6875         (fold_builtin_call_list): New.
6876         (build_call_expr): New.
6877         (fold_builtin_call_valist): New.
6878         (rewrite_call_expr): New.
6879         (validate_arg): New.
6880         (validate_arglist): Change parameter to be entire CALL_EXPR instead
6881         of an arglist.  Change return type to bool.  Use new CALL_EXPR
6882         accessors.
6883
6884         (fold_builtin_strstr):  Pass call arguments individually instead
6885         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
6886         accessors and constructors.  Return NULL_TREE instead of 0.
6887         (fold_builtin_strchr): Likewise.
6888         (fold_builtin_strrchr): Likewise.
6889         (fold_builtin_strpbrk): Likewise.
6890         (fold_builtin_strcat): Likewise.
6891         (fold_builtin_strncat): Likewise.
6892         (fold_builtin_strspn): Likewise.
6893         (fold_builtin_strcspn): Likewise.
6894         (fold_builtin_fputs): Likewise.
6895         (fold_builtin_next_arg): Likewise.
6896         (fold_builtin_sprintf): Likewise.
6897
6898         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
6899         NULL_RTX instead of 0.
6900         (expand_builtin_memory_chk): Likewise.
6901         (maybe_emit_chk_warning): Likewise.
6902         (maybe_emit_sprintf_chk_warning): Likewise.
6903
6904         (fold_builtin_object_size): Pass call arguments individually instead
6905         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
6906         accessors and constructors.  Return NULL_TREE instead of 0.
6907         (fold_builtin_memory_chk): Likewise.
6908         (fold_builtin_stxcpy_chk): Likewise.
6909         (fold_builtin_strncpy_chk): Likewise.
6910         (fold_builtin_strcat_chk): Likewise.
6911         (fold_builtin_strcat_chk): Likewise.
6912         (fold_builtin_strncat_chk): Likewise.
6913         (fold_builtin_sprintf_chk): Likewise.
6914         (fold_builtin_snprintf_chk): Likewise.
6915         (fold_builtin_printf): Likewise.
6916         (fold_builtin_vprintf): Likewise.
6917
6918         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
6919         constructors.
6920         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
6921         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6922         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
6923         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
6924         (fold_unary): Likewise.
6925         (fold_binary): Likewise.
6926         (fold_ternary): Remove CALL_EXPR case, since they are no longer
6927         ternary expressions.
6928         (fold): Add logic for tcc_vl_exp.
6929         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
6930         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6931         (fold_build3_stat): Add assertion to flag broken interface for
6932         constructing CALL_EXPRs.
6933         (fold_build_call_list): New.
6934         (fold_build_call_list_initializer): New.
6935         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
6936         constructors.
6937         (fold_strip_sign_ops): Likewise.
6938
6939 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6940             Brooks Moses  <brooks.moses@codesourcery.com>
6941             Lee Millward  <lee.millward@codesourcery.com>
6942
6943         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
6944         accessors and dump arguments explicitly.
6945
6946         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
6947         TREE_CODE_LENGTH.
6948         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
6949         explicitly.
6950         (print_call_name): Use new CALL_EXPR accessors.
6951
6952         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
6953         CALL_EXPR arguments explicitly instead of as a list.  Use
6954         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6955
6956         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
6957         (vrp_visit_stmt): Likewise.
6958
6959         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
6960         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
6961         TREE_CODE_LENGTH.
6962         (force_move_till_expr): Likewise.
6963
6964         * targhooks.c (default_external_stack_protect_fail): Use
6965         build_call_expr instead of build_function_call_expr.
6966         (default_hidden_stack_protect_fail): Likewise.
6967
6968         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
6969         build the call.
6970
6971         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
6972         and walk arguments explicitly.
6973
6974         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
6975         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6976         (expand_simple_operations): Likewise.
6977         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
6978
6979         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
6980         of TREE_CODE_LENGTH.
6981         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
6982
6983         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
6984         instead of TREE_CODE_LENGTH.
6985
6986         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
6987         (tree_ic_transform): Likewise.
6988         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
6989         parameter instead of arglist.  Fix callers.
6990         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
6991         (tree_stringops_transform): Likewise.
6992         (tree_indirect_call_to_profile): Likewise.
6993         (tree_stringops_values_to_profile): Likewise.
6994
6995         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
6996         (eliminate_tail_call): Likewise.
6997
6998         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
6999
7000         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
7001         Use TREE_OPERAND_LENGTH and generalize to handle any number of
7002         operands.
7003         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
7004
7005         * omp-low.c (build_omp_barrier): Use build_call_expr.
7006         (lower_rec_input_clauses): Likewise.
7007         (lower_reduction_clauses): Likewise.
7008         (expand_parallel_call): Likewise.
7009         (maybe_catch_exception): Likewise.
7010         (expand_omp_for_generic): Likewise.
7011         (expand_omp_for_static_nochunk): Likewise.
7012         (expand_omp_sections): Likewise.
7013         (lower_omp_single_simple): Likewise.
7014         (lower_omp_single_copy): Likewise.
7015         (lower_omp_master): Likewise.
7016         (lower_omp_ordered): Likewise.
7017         (lower_omp_critical): Likewise.
7018
7019         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
7020         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
7021
7022         * tree-gimple.c (is_gimple_call_addr): Fix doc.
7023         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
7024         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
7025
7026         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
7027         and generalize to handle any number of operands.
7028         (chrec_contains_undetermined): Likewise.
7029         (tree_contains_chrecs): Likewise.
7030         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
7031
7032         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
7033
7034         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
7035         fold_call_expr instead of fold_builtin.
7036         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
7037         match declarations there.
7038         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
7039         updates.
7040
7041         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
7042         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7043
7044         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
7045         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
7046
7047         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
7048         accessors.
7049
7050         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
7051         (execute_cse_sincos): Use new CALL_EXPR accessors.
7052
7053         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
7054
7055         * gimple-low.c (lower_function_body): Use build_call_expr.
7056         (lower_builtin_setjmp): Likewise.
7057
7058         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
7059         (set_storage_via_libcall): Likewise.
7060         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
7061         instead of TREE_CODE_LENGTH.
7062         (expand_expr_real_1): Use new CALL_EXPR accessors.
7063
7064         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
7065         generalize to handle any number of operands.
7066         (TB_parent_eq): Likewise.
7067
7068         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
7069         (strip_builtin_expect): Likewise.
7070
7071         * function.c (gimplify_parameters): Use build_call_expr.
7072
7073         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
7074         instead of TREE_CODE_LENGTH.
7075
7076         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
7077         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
7078
7079         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
7080         iterators.
7081
7082         * gimplify.c (build_stack_save_restore): Use build_call_expr.
7083         (gimplify_decl_expr): Likewise.
7084         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
7085         Use new CALL_EXPR iterators.
7086         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
7087         (gimplify_modify_expr_to_memset): Likewise.
7088         (gimplify_variable_sized_compare): Likewise.
7089         (gimplify_omp_atomic_fetch_op): Likewise.
7090         (gimplify_omp_atomic_pipeline): Likewise.
7091         (gimplify_omp_atomic_mutex): Likewise.
7092         (gimplify_function_tree): Likewise.
7093
7094         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
7095         (call_expr_flags): Likewise.
7096         (expand_call): Likewise.
7097
7098         * except.c (expand_builtin_eh_return_data_regno): Pass entire
7099         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
7100         accessors.
7101
7102         * coverage.c (create_coverage): Use build_call_expr.
7103
7104         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
7105         (temp_call_expr_obstack): New.
7106         (pool_copy_list): Delete.
7107         (temp_copy_call_expr): New.
7108         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
7109         CALL_EXPR accessors.  Get rid of special goo for copying argument
7110         lists and use temp_copy_call_expr instead.
7111         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
7112         CALL_EXPR accessors.
7113         (create_expression_by_pieces): Likewise.  Use build_call_array
7114         to construct the result instead of fold_build3.
7115         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
7116         dealing with argument lists.
7117         (init_pre): Remove references to expression_node_pool and
7118         list_node_pool.  Init temp_call_expr_obstack instead.
7119         (fini_pre): Remove references to expression_node_pool and
7120         list_node_pool.
7121
7122         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
7123         and walk arguments explicitly instead of as a list.
7124
7125         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
7126         (mx_register_decls): Likewise.
7127         (mudflap_register_call): Likewise.
7128         (mudflap_finish_file): Likewise.
7129
7130         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
7131         (ipa_callsite_compute_param): Likewise.
7132
7133         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
7134         accessors and constructor.
7135
7136         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
7137         accessors and constructor.
7138         (convert_tramp_reference): Likewise.
7139         (convert_call_expr): Likewise.
7140         (finalize_nesting_tree_1): Likewise.
7141
7142         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
7143         accessors.
7144
7145         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
7146
7147         * tree-inline.c (initialize_inlined_parameters): Pass entire
7148         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
7149         accessors.
7150         (estimate_num_insns_1): Use new CALL_EXPR accessors.
7151         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
7152
7153         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
7154         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7155         (vectorizable_reduction): Likewise.
7156         (vectorizable_call): Use new CALL_EXPR iterators.
7157         (vectorizable_conversion): Use build_call_expr.
7158         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
7159         (vect_gen_widened_results_half): Use build_call_expr.
7160         (vect_setup_realignment): Likewise.
7161         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
7162
7163         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
7164         (pass_through_call): Likewise.
7165         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
7166         fold_builtin.
7167
7168         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
7169         (tree_gen_pow2_profiler): Likewise.
7170         (tree_gen_one_value_profiler): Likewise.
7171         (tree_gen_ic_func_profiler): Likewise.
7172         (tree_gen_average_profiler): Likewise.
7173         (tree_gen_ior_profiler): Likewise.
7174
7175         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
7176         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
7177         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7178
7179         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
7180         of TREE_CODE_LENGTH.
7181
7182         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
7183         of TREE_CODE_LENGTH.
7184
7185         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
7186         constructor.
7187         (convert_to_integer): Likewise.
7188
7189         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
7190         accessors.
7191
7192 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7193             Brooks Moses  <brooks.moses@codesourcery.com>
7194             Lee Millward  <lee.millward@codesourcery.com>
7195
7196         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
7197         accessors.
7198         * config/frv/frv.c (frv_expand_builtin): Likewise.
7199         * config/s390/s390.c (s390_expand_builtin): Likewise.
7200
7201         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
7202         (sparc_expand_builtin): Use new CALL_EXPR accessors.
7203
7204         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
7205         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
7206         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
7207         (ix86_expand_store_builtin): Likewise.
7208         (ix86_expand_unop_builtin): Likewise.
7209         (ix86_expand_unop1_builtin): Likewise.
7210         (ix86_expand_sse_compare): Likewise.
7211         (ix86_expand_sse_comi): Likewise.
7212         (ix86_expand_vec_init_builtin): Likewise.
7213         (ix86_expand_vec_ext_builtin): Likewise.
7214         (ix86_expand_vec_set_builtin): Likewise.
7215         (ix86_expand_builtin): Use new CALL_EXPR accessors.
7216
7217         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
7218         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
7219
7220         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
7221         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
7222         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
7223
7224         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
7225         build_call_expr.
7226         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
7227         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
7228         arglist.  Use new CALL_EXPR accessors.  Fix callers.
7229         (altivec_expand_abs_builtin): Likewise.
7230         (rs6000_expand_binop_builtin): Likewise.
7231         (altivec_expand_predicate_builtin): Likewise.
7232         (altivec_expand_lv_builtin): Likewise.
7233         (spe_expand_stv_builtin): Likewise.
7234         (altivec_expand_stv_builtin): Likewise.
7235         (rs6000_expand_ternop_builtin): Likewise.
7236         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
7237         (altivec_expand_st_builtin): Likewise.
7238         (altivec_expand_dst_builtin): Likewise.
7239         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
7240         arglist.  Use new CALL_EXPR accessors.  Fix callers.
7241         (altivec_expand_vec_set_builtin): Likewise.
7242         (altivec_expand_vec_ext_builtin): Likewise.
7243         (altivec_expand_builtin): Use new CALL_EXPR accessors.
7244         (spe_expand_builtin): Likewise.
7245         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
7246         arglist.  Use new CALL_EXPR accessors.  Fix callers.
7247         (spe_expand_evsel_builtin): Likewise.
7248         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
7249         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
7250
7251         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
7252         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
7253         (arm_expand_unop_builtin): Likewise.
7254         (arm_expand_builtin): Use new CALL_EXPR accessors.
7255
7256         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
7257         accessors.
7258
7259         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
7260         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
7261         (bfin_expand_unop_builtin): Likewise.
7262         (bfin_expand_builtin): Use new CALL_EXPR accessors.
7263
7264 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7265             Brooks Moses  <brooks.moses@codesourcery.com>
7266             Lee Millward  <lee.millward@codesourcery.com>
7267
7268         * c-semantics.c (build_stmt): Add internal diagnostic check.
7269
7270         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
7271         accessors.  Print arguments explicitly instead of as a list.
7272
7273         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
7274
7275         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
7276         (c_finish_omp_flish): Likewise.
7277
7278         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
7279         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
7280         instead of TREE_CODE_LENGTH.
7281         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
7282         (c_warn_unused_result): Likewise.
7283
7284 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7285
7286         PR c/26494
7287         * doc/invoke.texi (Warning Options): Remove
7288         -Werror-implicit-function-declaration.
7289         (Wimplicit-function-declaration): Update description.
7290         * opts.c (common_handle_option): Move handling of -Werror=* to...
7291         (enable_warning_as_error): ...here.
7292         * opts.h (enable_warning_as_error): Declare.
7293         * c-decl.c (implicit_decl_warning): Unless
7294         -Wno-implicit-function-declaration is given, emit a pedwarn if
7295         -std=c99 or emit a warning if -Wimplicit-function-declaration.
7296         * c.opt (Wimplicit-function-declaration): Replace
7297         mesg_implicit_function_declaration with
7298         warn_implicit_function_declaration.
7299         * c-opts.c (c_common_handle_option):
7300         -Werror-implicit-function-declaration is exactly equal as
7301         -Werror=implicit-function-declaration.
7302         (set_Wimplicit): Replace mesg_implicit_function_declaration with
7303         warn_implicit_function_declaration.
7304         (c_common_post_options): -Wimplict-function-declaration is enabled
7305         by default by -std=c99, otherwise is disabled by default.
7306         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
7307
7308 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7309
7310         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
7311         DECL on the rhs to a DECL on the lhs for debug info purposes if the
7312         former is ignored but not the latter.
7313
7314 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7315
7316         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
7317         is made and the reference doesn't use the alias set of its type,
7318         do not create the temporary using that type.
7319
7320 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
7321
7322         * jump.c: Remove prototypes for delete_computation and
7323         delete_prior_computation.
7324
7325 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
7326
7327         * jump.c (get_label_after): Delete.
7328         (get_label_before, delete_computation, delete_jump,
7329         delete_prior_computation, follow_jumps): Move...
7330         * reorg.c (delete_computation, delete_prior_computation): ... here...
7331         (get_label_before, delete_jump): ... making these static ...
7332         (follow_jumps): ... and simplifying this since it only runs after
7333         reload.
7334         * rtl.h (get_label_after, get_label_before, delete_jump,
7335         follow_jumps): Delete prototypes.
7336
7337 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
7338
7339         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
7340
7341 2007-02-15  Nick Clifton  <nickc@redhat.com>
7342
7343         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
7344         order to prevent it from being munged by the target.
7345
7346 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
7347
7348         * config/i386/i386.md: Remove misleading comment.
7349
7350 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7351
7352         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
7353         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
7354         invalid patterns.
7355
7356 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7357
7358         * tree-sra.c (instantiate_missing_elements): Canonicalize
7359         bit-field types.
7360         (sra_build_assignment): New.
7361         (generate_copy_inout, generate_element_copy,
7362         generate_element_zero, generate_one_element_init): Use it.
7363
7364 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7365
7366         * tree-sra.c (instantiate_missing_elements): Canonicalize
7367         bit-field types.
7368         (sra_build_assignment): New.
7369         (generate_copy_inout, generate_element_copy,
7370         generate_element_zero, generate_one_element_init): Use it.
7371
7372 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7373
7374         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
7375         limbo die nodes.
7376
7377 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
7378
7379         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
7380         types as aggregates not scalars.
7381         * function.c (assign_stack_temp_for_type): Likewise.
7382
7383 2007-02-14  Roger Sayle  <roger@eyesopen.com>
7384             Zdenek Dvorak  <dvorakz@suse.cz>
7385
7386         * tree-dump.c (dump_switch_p_1): Require exact match of the option
7387         name.
7388
7389 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
7390
7391         * passes.c (next_pass_1): Clear the next field of the copied
7392         pass structure.
7393
7394 2007-02-14  Richard Henderson  <rth@redhat.com>
7395
7396         * tree-sra.c (early_sra): New.
7397         (decl_can_be_decomposed_p): Deny va_list if early_sra.
7398         (tree_sra_early, pass_sra_early): New.
7399         * tree-pass.h (pass_sra_early): Declare.
7400         * passes.c (init_optimization_passes): Use it.
7401
7402 2007-02-14  Richard Guenther  <rguenther@suse.de>
7403
7404         * flags.h (issue_strict_overflow_warning): Convert to a macro.
7405
7406 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
7407
7408          PR tree-optimization/30771
7409         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
7410         also phi nodes.
7411         (vect_analyze_operations): Induction phis can now be marked as
7412         used_in_loop.
7413         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
7414         Update documentation accordingly.
7415
7416 2007-02-14  Nick Clifton  <nickc@redhat.com>
7417
7418         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
7419         most 3 arguments are supported.
7420         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
7421
7422 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
7423
7424         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
7425         Ensure dst->current is valid.
7426
7427 2007-02-13  Paul Brook  <paul@codesourcery.com>
7428
7429         * config.gcc: Add arm*-*-uclinux-*eabi.
7430         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
7431         (SUBTARGET_EXTRA_LINK_SPEC): Define.
7432         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
7433         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
7434         (LINK_SPEC): Define.
7435         (LIB_SPEC): Define.
7436         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
7437         register.
7438         * config/arm/uclinux-eabi.h: New file.
7439         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
7440         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
7441         based targets.
7442
7443 2007-02-13  Ian Lance Taylor  <iant@google.com>
7444
7445         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
7446         * flags.h (warn_strict_overflow): Declare.
7447         (enum warn_strict_overflow_code): Define.
7448         (issue_strict_overflow_warning): New static inline function.
7449         * opts.c (warn_strict_overflow): New variable.
7450         (common_handle_option): Handle OPT_Wstrict_overflow and
7451         OPT_Wstrict_overflow_.
7452         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
7453         OPT_Wall.
7454         * fold-const.c: Include intl.h.
7455         (fold_deferring_overflow_warnings): New static variable.
7456         (fold_deferred_overflow_warning): New static variable.
7457         (fold_deferred_overflow_code): New static variable.
7458         (fold_defer_overflow_warnings): New function.
7459         (fold_undefer_overflow_warnings): New function.
7460         (fold_undefer_and_ignore_overflow_warnings): New function.
7461         (fold_deferring_overflow_warnings_p): New function.
7462         (fold_overflow_warning): New static function.
7463         (make_range): Add strict_overflow_p parameter.  Change all
7464         callers.
7465         (extract_muldiv, extract_muldiv_1): Likewise.
7466         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
7467         tree_expr_nonnegative_p.
7468         (fold_negate_expr): Call fold_overflow_warning.
7469         (fold_range_test): Likewise.
7470         (fold_comparison): Likewise.
7471         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
7472         instead of tree_expr_nonnegative_p.
7473         (tree_expr_nonnegative_warnv_p): Rename from
7474         tree_expr_nonnegative_p, add strict_overflow_p parameter.
7475         (tree_expr_nonnegative_p): New function.
7476         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
7477         strict_overflow_p parameter.
7478         (tree_expr_nonzero_p): New function.
7479         * passes.c (verify_interpass_invariants): New static function.
7480         (execute_one_pass): Call it.
7481         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
7482         warnings.
7483         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
7484         (estimate_numbers_of_iterations): Likewise.
7485         (scev_probably_wraps_p): Likewise.
7486         * tree-ssa-ccp.c: Include "toplev.h".
7487         (evaluate_stmt): Defer fold overflow warnings until we know we are
7488         going to optimize.
7489         (struct fold_stmt_r_data): Add stmt field.
7490         (fold_stmt_r): Defer fold overflow warnings until we know we
7491         optimized.
7492         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
7493         (fold_stmt_inplace): Likewise.
7494         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
7495         (cleanup_control_expr_graph): Defer fold overflow warnings until
7496         we know we are going to optimize.
7497         * tree-cfg.c (fold_cond_expr_cond): Likewise.
7498         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
7499         Likewise.
7500         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
7501         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
7502         * tree-ssa-loop-manip.c (create_iv): Likewise.
7503         * c-typeck.c (build_conditional_expr): Likewise.
7504         (build_binary_op): Likewise.
7505         * tree-vrp.c (vrp_expr_computes_nonzero): Call
7506         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
7507         (extract_range_from_unary_expr): Likewise.
7508         * simplify-rtx.c (simplify_const_relational_operation): Warn when
7509         assuming that signed overflow does not occur.
7510         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
7511         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
7512         (fold_defer_overflow_warnings): Declare.
7513         (fold_undefer_overflow_warnings): Declare.
7514         (fold_undefer_and_ignore_overflow_warnings): Declare.
7515         (fold_deferring_overflow_warnings_p): Declare.
7516         (tree_expr_nonzero_warnv_p): Declare.
7517         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
7518         of warning options.
7519         (Warning Options): Document -Wstrict-overflow.
7520         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
7521         (tree-ssa-ccp.o): Likewise.
7522         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
7523         (fold-const.o): Depend on intl.h.
7524
7525 2007-02-13  Ian Lance Taylor  <iant@google.com>
7526
7527         PR middle-end/30751
7528         * lower-subreg.c (resolve_simple_move): Decompose subregs in
7529         addresses.
7530
7531 2007-02-13  Stuart Hastings  <stuart@apple.com>
7532
7533         * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
7534
7535 2007-02-13  Richard Henderson  <rth@redhat.com>
7536
7537         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
7538         handled_component_p before looking for the indirect_ref.
7539
7540 2007-02-13  Richard Henderson  <rth@redhat.com>
7541
7542         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
7543         remove flags clobber.
7544         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
7545         (bswaphi_lowpart): New.
7546         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
7547         remove TARGET_BSWAP test.  Delete expander of the same name.
7548
7549         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
7550         (expand_unop): Use them.
7551
7552 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
7553
7554         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
7555         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
7556         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
7557         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
7558         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
7559         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
7560         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
7561         assembler dialect choice from asm templates.
7562
7563 2007-02-12  Richard Henderson  <rth@redhat.com>
7564
7565         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
7566         (fixuns_trunc<SSEMODEF>si2): Use it.
7567         * config/i386/sse.md (vec_setv4sf_0): Export.
7568         * config/i386/i386.c (ix86_build_const_vector): Export.
7569         (ix86_split_convert_uns_si_sse): Rename from
7570         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
7571         * config/i386/i386-protos.h: Update.
7572
7573 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7574
7575         PR c/29521
7576         * c-typeck.c (c_finish_return): Improve warning message.
7577
7578 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7579
7580         * alias.c (find_symbolic_term): Delete unused function.
7581
7582 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
7583
7584         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
7585         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
7586         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
7587
7588 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
7589
7590         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
7591         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
7592         the function, temporarily point the debug interface to the null one.
7593
7594 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
7595
7596         * dwarf2out.c (round_up_to_align): New static function.
7597         (field_byte_offset): Use it to round the offset.
7598
7599 2007-02-12  Richard Henderson  <rth@redhat.com>
7600
7601         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
7602         (inswl_const): Export.
7603
7604 2007-02-12  Richard Henderson  <rth@redhat.com>
7605
7606         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
7607         result mode of the libcall, convert back to outmode.
7608
7609 2007-02-12  Roger Sayle  <roger@eyesopen.com>
7610
7611         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
7612         (bswapdi2): New define_expand to implement 32-bit implementation.
7613
7614 2007-02-12  Nick Clifton  <nickc@redhat.com>
7615
7616         * doc/invoke.texi (Overall Options): Document --help=.
7617         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
7618         (cc1_options): Pass --help= on to cc1.
7619         (display_help): Add description of --help=.
7620         (process_command): Add code to handle --help=.  Allow translated
7621         --help and --target-help switches to be passed on to compiler
7622         sub-process.
7623         (main): Remove unused if statement.
7624         * opts.c (columns): Remove.
7625         (LEFT_COLUMN): Define.
7626         (wrap_help): Add columns argument.
7627         (print_filtered_help): Change parameters to be an include bitmask,
7628         an exclude bitmask, an any bitmask and the column width.  Move the
7629         code to display the params list here.  Add code to display the
7630         status of options rather than their descriptions if the quiet flag
7631         is not active.
7632         (print_specific_help): Change parameters to be an include bitmask,
7633         an exclude bitmask and an any bitmask.  Move code to look up the
7634         column width here.  Decide upon the title for an options listing.
7635         (common_handle_options): Add code to handle --help=.  Adapt code
7636         for --help and --target-help to use the revised form of the
7637         print_specific_help function.
7638         (print_help): Delete.
7639         (print_param_help): Delete.
7640         (print_switch): Delete.
7641         * opts.h (cl_lang_count): Add prototype.
7642         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
7643         CL_MAX_OPTION_CLASS): New defines.
7644         * optc-gen.awk: Add construction of cl_lang_count.
7645         * c.opt: Add Warning attribute to warning options and Optimization
7646         attribute to optimization options.
7647         * common.opt: Likewise.
7648         Add --help=.
7649         Add -fhelp and -ftarget-help as aliases for the transformed --help
7650         and --target-help options.
7651         * opt-functions.awk: Add code to handle Warning and Optimization
7652         attributes.
7653
7654 2007-02-12  Richard Henderson  <rth@redhat.com>
7655
7656         * config/alpha/constraints.md: New file.
7657         * config/alpha/alpha.c: Include tm-constrs.h.
7658         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
7659         alpha_extra_constraint): Remove.
7660         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
7661         * config/alpha/alpha-protos.h: Update.
7662         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
7663         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
7664         (EXTRA_CONSTRAINT): Remove.
7665         * config/alpha/alpha.md: Include constraints.md.
7666         (adddi splitter): Use satisfies_constraint_*.
7667         * config/alpha/predicates.md (add_operand): Likewise.
7668         (sext_add_operand, addition_operation): Likewise.
7669
7670 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
7671
7672         PR tree-optimization/29145
7673         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
7674         in our handling of restrict qualified pointers.
7675
7676 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7677
7678         PR middle-end/7651
7679         * doc/invoke.texi (Wunused-value): Update description.
7680         (Wextra): Delete item.
7681         * opts.c (set_Wextra): Don't use the value of Wextra to set the
7682         value of Wunused-value.
7683         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
7684         (c_finish_stmt_expr): Don't check extra_warnings.
7685         (emit_side_effect_warnings): The caller is responsible to check
7686         warn_unused_value.
7687
7688 2007-02-11  Roger Sayle  <roger@eyesopen.com>
7689             Matt Thomas  <matt@3am-software.com>
7690
7691         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
7692
7693 2007-02-11  Roger Sayle  <roger@eyesopen.com>
7694
7695         * simplify-rtx.c (simplify_relational_operation_1): Optimize
7696         comparisons of POPCOUNT against zero.
7697         (simplify_const_relational_operation): Likewise.
7698
7699 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7700
7701         * doc/invoke.texi (Wextra): Delete outdated paragraph.
7702
7703 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7704
7705         * dwarf2out.c (root_type): Delete unused function.
7706
7707 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7708
7709         * genattrtab.c (contained_in_p): Delete unused function.
7710         (write_expr_attr_cache): Likewise.
7711
7712 2007-02-11  Jan Hubicka  <jh@suse.cz>
7713
7714         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
7715         previous patch.
7716
7717 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
7718
7719         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
7720         to add the REG_EQ* note.
7721         * see.c (see_merge_one_use_extension): Likewise.
7722         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
7723         turn REG_EQUAL notes into REG_EQUIV notes if the target
7724         register may have more than one set.
7725         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
7726         * gcse.c (try_replace_reg): Likewise.
7727         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
7728         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
7729         more than one REG_EQUIV note.
7730         * reload1.c (gen_reload): Use set_unique_reg_note.
7731
7732 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
7733
7734         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
7735         (ix86_builtin_conversion): New function.
7736
7737 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
7738
7739         PR target/29487
7740         * tree.h (DECL_REPLACEABLE_P): New macro.
7741         * except.c (set_nothrow_function_flags): Likewise.
7742
7743 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
7744             Ira Rosen  <irar@il.ibm.com>
7745             Dorit Nuzman  <dorit@il.ibm.com>
7746
7747         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
7748         * targhooks.c (default_builtin_vectorized_conversion): New.
7749         * targhooks.h (default_builtin_vectorized_function): New declaration.
7750         * target.h (struct vectorize): Add builtin_conversion field.
7751         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
7752         stmt_vec_info_type value.
7753         (vectorizable_conversion): New declaration.
7754         * tree-vect-analyze.c (vect_analyze_operations): Add
7755         vectorizable_conversion call.
7756         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
7757         * tree-vect-transform.c (vectorizable_conversion): New function.
7758         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
7759         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
7760         mode.
7761         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
7762         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
7763         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
7764         or ALTIVEC_BUILTIN_VCFSX.
7765
7766 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7767
7768         PR target/30634
7769         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
7770         CONST_DOUBLE and operand 0 is a hard register.
7771         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
7772         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
7773         is a hard floating-point register.
7774
7775 2007-02-10  Richard Henderson  <rth@redhat.com>
7776             Jakub Jelinek  <jakub@redhat.com>
7777             Alexandre Oliva  <aoliva@redhat.com>
7778
7779         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
7780         * builtin-types.def (BT_WORD): Make unsigned.
7781         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
7782         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
7783         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
7784         * c-decl.c (grokdeclarator): Don't error if !have_tls.
7785         * c-parser.c (c_parser_omp_threadprivate): Likewise.
7786         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
7787         emulated tls.
7788         * expr.c (emutls_var_address): New.
7789         (expand_expr_real_1): Expand emulated tls.
7790         (expand_expr_addr_expr_1): Likewise.
7791         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
7792         * output.h (emutls_finish): Declare.
7793         * toplev.c (compile_file): Call it.
7794         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
7795         address before wrapping in CONST.
7796         * varasm.c (emutls_htab, emutls_object_type): New.
7797         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
7798         (get_emutls_object_name, get_emutls_object_type): New.
7799         (get_emutls_init_templ_addr, emutls_decl): New.
7800         (emutls_common_1, emutls_finish): New.
7801         (assemble_variable): When emulating tls, swap decls; generate
7802         constructor for the emutls objects.
7803         (do_assemble_alias): When emulating tls, swap decl and target name.
7804         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
7805         for emulated tls.
7806         * varpool.c (decide_is_variable_needed): Look at force_output.
7807         Recurse for emulated tls.
7808         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
7809         with decide_is_variable_needed.
7810         * emutls.c: New file.
7811         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
7812         tls_object for real tls.
7813
7814 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
7815
7816         PR rtl-optimization/29599
7817         * reload1.c (eliminate_regs_in_insn): Take the destination
7818         mode into account when computing the offset.
7819
7820 2007-02-09  Stuart Hastings  <stuart@apple.com>
7821             Richard Henderson  <rth@redhat.com>
7822
7823         * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
7824         * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
7825         * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
7826         fixuns_truncdfhi2): New.
7827         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
7828         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
7829         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
7830         (floatunssidf2): Allow nonimmediate source.
7831         * config/i386/sse.md (movdi_to_sse): New.
7832         (vec_concatv2di): Drop '*'.
7833         * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
7834         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
7835         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
7836         New.
7837         * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
7838         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
7839         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
7840         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
7841         (ix86_build_signbit_mask): Fix decl of v, refactor to call
7842         ix86_build_const_vector.
7843         (x86_emit_floatuns): Rewrite.
7844
7845 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7846
7847         * genautomata.c (longest_path_length): Delete unused function.
7848         (struct state): Delete unused longest_path_length.
7849         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
7850         (get_free_state): Delete unused.
7851
7852 2007-02-09  Jan Hubicka  <jh@suse.cz>
7853
7854         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
7855         * doc/invoke.texi (inline-unit-growth): Update default value.
7856
7857         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
7858         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
7859         (rebuild_cgraph_edges): Likewise.
7860         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
7861         (dump_cgraph_node): Dump frequencies.
7862         (cgraph_clone_edge): Add frequency scales.
7863         (cgraph_clone_node): Add freuqnecy.
7864         * cgraph.h (cgraph_edge): Add freuqnecy argument.
7865         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
7866         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
7867         * tree-pass.h (TODO_rebuild_frequencies): New constant.
7868         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
7869         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
7870         (save_inline_function_body): Likewise.
7871         * ipa-inline.c: inluce rtl.h
7872         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
7873         (cgraph_edge_badness): Use frequencies.
7874         (cgraph_decide_recursive_inlining): Update clonning.
7875         (cgraph_decide_inlining_of_small_function): Dump frequency.
7876         * predict.c (estimate_bb_frequencies): Export.
7877         * predict.h (estimate_bb_frequencies): Declare.
7878         * tree-inline.c (copy_bb): Watch overflows.
7879         (expand_call_inline): Update call of cgraph_create_edge.
7880         (optimize_inline_calls): Use TODO flags to update frequnecies.
7881         * passes.h: Include predict.h
7882         (init_optimization_passes): Move profile ahead.
7883         (execute_function_todo): Handle TODO_rebuild_frequencies.
7884
7885 2007-02-09  Roger Sayle  <roger@eyesopen.com>
7886
7887         * config/alpha/alpha.c (emit_insxl): Force the first operand of
7888         the insbl or inswl pattern into a register.
7889
7890 2007-02-09  Roger Sayle  <roger@eyesopen.com>
7891
7892         * config/ia64/ia64.md (bswapdi2): New define_insn.
7893
7894 2007-02-09  Richard Henderson  <rth@redhat.com>
7895
7896         * config/i386/constraints.md (Ym): New constraint.
7897         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
7898         (movdi_1_rex64): Split sse and xmm general register moves from
7899         memory move alternatives.  Use conditional register constraints.
7900         (movsf_1, movdf_integer): Likewise.
7901         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
7902         (movdf_integer_rex64): New.
7903         (pushsf_rex64): Fix output constraints.
7904         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
7905         (sse2_stored): Likewise.
7906         (sse2_storeq_rex64): New.
7907         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
7908         amd and not generic.
7909         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
7910         for optimize_size.  Remove SF/DFmode hack.
7911
7912 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7913
7914         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
7915         (bit_SSE4a): New.
7916
7917 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
7918             Richard Sandiford  <richard@codesourcery.com>
7919
7920         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
7921         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
7922         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
7923         m68k/t-mlib to tmake_file.
7924         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
7925         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
7926         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
7927         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
7928         variable is not empty, add t-$m68k_arch_family to tmake_file.
7929         Add t-mlibs to tmake_file.
7930         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
7931         * config/m68k/t-cf: New file.
7932         * config/m68k/t-m68k: Likewise.
7933         * config/m68k/t-mlibs: Likewise.
7934         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7935         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
7936         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
7937         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7938         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
7939         Delete.
7940         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
7941         (INSTALL_LIBGCC): Delete.
7942         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
7943         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7944         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
7945         (M68K_MLIB_CPU): Define.
7946         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7947         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
7948         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
7949
7950 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
7951             Richard Guenther  <rguenther@suse.de>
7952
7953         PR middle-end/23361
7954         * fold-const.c (fold_comparison): Handle obfuscated comparisons
7955         against INT_MIN/INT_MAX.
7956         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
7957         file if a loop is removed.
7958
7959 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
7960
7961         * calls.c (store_one_arg): Pass correct alignment to
7962         emit_push_insn for non-BLKmode values.
7963         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
7964         unaligned stack slot via a suitably aligned slot.
7965
7966 2007-02-08  DJ Delorie  <dj@redhat.com>
7967
7968         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
7969         warnings.
7970         (legal_subregs): Use unsigned char, make const.
7971         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
7972
7973 2007-02-08  Paul Brook  <paul@codesourcery.com>
7974
7975         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
7976         special interworking needed.
7977
7978 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
7979
7980         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
7981         conditional to __SSE2__.
7982         (Entries below should have been added to first ChangeLog
7983         entry for amdfam10 dated 2007-02-05)
7984         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
7985         defined.
7986         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
7987         defined.
7988         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
7989         defined.
7990
7991 2007-02-08  DJ Delorie  <dj@redhat.com>
7992
7993         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
7994         * config/m32c/m32c.c (legal_subregs): New.
7995         (m32c_illegal_subreg_p): New.
7996         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
7997         unsupported subregs of hard regs.
7998
7999 2007-02-08  Jan Hubicka  <jh@suse.cz>
8000
8001         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
8002         the same one; always update histograms.
8003
8004 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
8005
8006         * passes.c (init_optimization_passes): Tidy comment.
8007
8008 2007-02-08  Roger Sayle  <roger@eyesopen.com>
8009
8010         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
8011         strip zero_extend, bswap and rotates from POCOUNT's argument.
8012         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
8013         zero_extend and rotates from PARITY's argument.
8014         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
8015         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
8016         of an integer constant at compile-time.
8017
8018 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
8019
8020         PR 30562
8021         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
8022         Update all users.
8023         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
8024         users.
8025         (init_alias_info):
8026         * tree-ssa-live.c (remove_unused_locals): Do not remove
8027         TREE_ADDRESSABLE variables.
8028         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
8029         * tree-ssa-operands.c (add_virtual_operand): Remove argument
8030         FOR_CLOBBER.  Update all users.
8031         If VAR has an associated alias set, add a virtual operand for
8032         it if no alias is found to conflict with the memory reference.
8033
8034 2007-02-07  Jan Hubicka  <jh@suse.cz>
8035             Robert Kidd <rkidd@crhc.uiuc.edu>
8036
8037         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
8038
8039 2007-02-07  Ian Lance Taylor  <iant@google.com>
8040
8041         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
8042
8043 2007-02-07  Roger Sayle  <roger@eyesopen.com>
8044
8045         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
8046         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
8047         tablejumpdi, movsi_to_cr_one): Remove constraints from
8048         define_expand's match_operands.
8049
8050 2007-02-07  Roger Sayle  <roger@eyesopen.com>
8051
8052         * global.c (compute_regsets): Move declatation of "i" inside of
8053         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
8054
8055 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
8056
8057         PR c++/30703
8058         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
8059         of INDIRECT_REF <RESULT_DECL>.
8060
8061         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
8062
8063 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
8064             Kaz Kojima  <kkojima@gcc.gnu.org>
8065
8066         PR target/29746
8067         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
8068         properly.
8069         (sh_initialize_trampoline): Add parentheses to avoid a warning.
8070
8071 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
8072
8073         * doc/loop.texi: Document possibility not to perform disambiguation
8074         of loops with multiple latches.
8075         * cfgloopmanip.c (alp_enum_p): Removed.
8076         (add_loop): Handle subloops.  Use get_loop_body_with_size.
8077         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
8078         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
8079         the new forwarder block.
8080         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
8081         Handle the case latch is NULL.
8082         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
8083         when marking loop exits.
8084         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
8085         be modified.
8086         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
8087         disambiguate_loops_with_multiple_latches.
8088         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
8089         before fix_loop_structure.
8090         * cfgloop.c: Include pointer-set.h and output.h.
8091         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
8092         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
8093         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
8094         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
8095         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
8096         disambiguate_multiple_latches, get_loop_body_with_size,
8097         disambiguate_loops_with_multiple_latches): New functions.
8098         (flow_loop_dump): Dump multiple latch edges.
8099         (flow_loop_nodes_find): Handle loops with multiple latches.
8100         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
8101         (glb_enum_p): Modified.
8102         (get_loop_body): Use get_loop_body_with_size.
8103         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
8104         (AVOID_CFG_MODIFICATIONS): New constant.
8105         (disambiguate_loops_with_multiple_latches, add_loop,
8106         get_loop_body_with_size): Declare.
8107         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
8108
8109 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
8110
8111         PR inline-asm/28686
8112         * global.c (compute_regsets): New function.
8113         (global_alloc): Refactored ELIMINABLE_REGSET
8114         and NO_GLOBAL_ALLOC_REGS computation out.
8115         (rest_of_handle_global_alloc): Call compute_regsets()
8116         for non-optimizing case.
8117
8118 2007-02-06  Richard Henderson  <rth@redhat.com>
8119
8120         * config/i386/constraints.md (Y2): Rename from Y.
8121         (Yi): New constraint.
8122         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
8123         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
8124         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
8125         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
8126         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
8127         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
8128         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
8129         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
8130         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
8131         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
8132         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
8133         vec_extractv2si_1): Change Y constraints to Y2.
8134         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
8135         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
8136         Change Y constraints to Y2.
8137         (sse2_loadld): Change Y constraints to x.
8138
8139 2007-02-06  Roger Sayle  <roger@eyesopen.com>
8140
8141         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
8142         (parity<mode>2): New define_expand using rs6000_emit_parity.
8143         * config/rs6000/rs6000.c (rs6000_emit_popcount,
8144         rs6000_emit_parity): New functions.
8145         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
8146         rs6000_emit_parity): Prototype here.
8147
8148 2007-02-06  Ian Lance Taylor  <iant@google.com>
8149
8150         * lower-subreg.c (simple_move_operand): Reject CONST.
8151         (resolve_clobber): Call validate_change rather than directly
8152         assigning to XEXP (pat, 0).
8153
8154 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
8155
8156         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
8157         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
8158         (tree-cfg.o): Remove hashtab.h dependency.
8159
8160         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
8161         (struct ivopts_data): Change niters to pointer_map_t.
8162         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
8163         (niter_for_exit): Create pointer_map on demand.  Change for
8164         pointer_map API.
8165         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
8166         (free_loop_data): Destroy data->niters if created and reset field.
8167         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
8168         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
8169
8170         * tree-ssa-reassoc.c: Include pointer-set.h.
8171         (bb_rank): Change to long *.
8172         (operand_rank): Change to pointer_map_t.
8173         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
8174         (insert_operand_rank): Accept long.
8175         (operand_entry_hash, operand_entry_eq): Remove.
8176         (get_rank): Return long.  Adjust for changes above.
8177         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
8178         and operand_rank.
8179         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
8180
8181         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
8182         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
8183         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
8184         is not NULL.
8185         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
8186         directly since it cannot be NULL.
8187         (get_vi_for_tree): Rewrite for pointer_map API.
8188         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
8189         (init_alias_vars): Create vi_for_tree as pointer_map.
8190         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
8191
8192         * tree-cfg.c: Don't include hashtab.h.
8193         (edge_to_cases): Declare as pointer_map.
8194         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
8195         Delete.
8196         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
8197         (start_recording_case_labels): Create edge_to_cases as pointer_map.
8198         (end_recoding_case_labels): Cleanup edge_to_cases manually before
8199         destroying it.
8200         (record_switch_edge): Delete.
8201         (get_cases_for_edge): Adjust for pointer_map API, inline
8202         record_switch_edge (rewritten for new API), remove goto.
8203
8204 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
8205
8206         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
8207         * tree-nested.c: Include pointer-set.h.
8208         (var_map_elt, var_map_eq, var_map_hash): Delete.
8209         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
8210         to pointer_map_t's.
8211         (nesting_info_bitmap_obstack): New.
8212         (lookup_field_for_decl): Adjust for pointer_map API.
8213         (lookup_tramp_for_decl): Adjust for pointer_map API.
8214         (get_nonlocal_debug_decl): Adjust for pointer_map API.
8215         (get_local_debug_decl): Adjust for pointer_map API.
8216         (convert_nl_goto_reference): Adjust for pointer_map API.
8217         (convert_nl_goto_receiver): Adjust for pointer_map API.
8218         (create_nesting_tree): Create outside GGC space.  Create bitmap on
8219         the new obstack.  Create field_map and var_map as pointer_maps.
8220         (free_nesting_tree): Adjust for changes to create_nesting_tree.
8221         (root): Delete.
8222         (lower_nested_functions): Move root here, no need to NULL it.
8223         Initialize and release the obstack.
8224
8225 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
8226
8227         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
8228         Remove prototypes and make them non-static.
8229         (struct tree_int_map): Remove.
8230         * tree.h (struct tree_int_map): Move here, turning TO into an
8231         unsigned int.
8232         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
8233
8234         * tree.h (TREE_COMPLEXITY): Remove.
8235         (struct tree_exp): Remove complexity field.
8236         * tree.c (build1_stat): Don't set it.
8237
8238 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
8239             Victor Kaplansky  <victork@il.ibm.com>
8240
8241         * tree-vectorizer.c (vect_is_simple_use): Support induction.
8242         (vect_is_simple_reduction): Support reduction with induction as
8243         one of the operands.
8244         (vect_is_simple_iv_evolution): Fix formatting.
8245         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
8246         formatting.  Don't mark induction phis for vectorization.
8247         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
8248         * tree-vect-transform.c (get_initial_def_for_induction): New function.
8249         (vect_get_vec_def_for_operand): Support induction.
8250         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
8251         induction case.
8252         (vectorizable_reduction): Support reduction with induction as one of
8253         the operands.
8254         (vectorizable_type_demotion): Use def-type of stmt argument rather
8255         than dummy def-type.
8256
8257         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
8258         flag_tree_scev_cprop.
8259         * common.opt (tree-scev-cprop): New flag.
8260
8261         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
8262         call to vect_get_new_vect_var.
8263
8264 2007-02-06  Ira Rosen  <irar@il.ibm.com>
8265
8266         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
8267         vectype is not NULL.
8268         (vect_pattern_recog_1): Likewise.
8269
8270 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8271
8272         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
8273         (fold_negate_expr): Likewise.
8274
8275 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
8276
8277         PR debug/30189
8278         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
8279         even if cv-qualification is the same.
8280
8281 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
8282
8283         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
8284         __enable_execute_stack on completion.
8285
8286 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8287
8288         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
8289         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
8290         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
8291         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
8292         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
8293         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
8294         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
8295         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
8296
8297 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8298
8299         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
8300         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
8301         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
8302         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
8303         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
8304         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
8305         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
8306         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
8307         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
8308         umuldi3_highpart_rex64, umulsi3_highpart_insn,
8309         umulsi3_highpart_zext, smuldi3_highpart_rex64,
8310         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
8311         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
8312         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
8313         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
8314         sqrtextenddfxf2_i387): Added amdfam10_decode.
8315
8316         * config/i386/athlon.md (athlon_idirect_amdfam10,
8317         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
8318         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
8319         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
8320         athlon_ivector_store_amdfam10): New define_insn_reservation.
8321         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
8322         amdfam10.
8323
8324 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8325
8326         * config/i386/athlon.md (athlon_call_amdfam10,
8327         athlon_pop_amdfam10, athlon_lea_amdfam10): New
8328         define_insn_reservation.
8329         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
8330         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
8331         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
8332
8333 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8334
8335         * config/i386/athlon.md (athlon_sseld_amdfam10,
8336         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
8337         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
8338
8339 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8340
8341         * config/i386/athlon.md (athlon_sseins_amdfam10): New
8342         define_insn_reservation.
8343         * config/i386/i386.md (sseins): Added sseins to define_attr type
8344         and define_attr unit.
8345         * config/i386/sse.md: Set type attribute to sseins for insertq
8346         and insertqi.
8347
8348 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8349
8350         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
8351         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
8352         ssecomi_load_amdfam10, ssecomi_amdfam10,
8353         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
8354         define_insn_reservation.
8355         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
8356
8357 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8358
8359         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
8360         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
8361         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
8362         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
8363         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
8364         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
8365         define_insn_reservation.
8366
8367         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
8368         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
8369         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
8370         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
8371         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
8372
8373 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8374
8375         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
8376         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
8377         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
8378         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
8379         athlon_ssemul_load_k8): Added amdfam10.
8380
8381 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8382
8383         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
8384         (x86_sse_unaligned_move_optimal): New variable.
8385
8386         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
8387         m_AMDFAM10.
8388         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
8389         for unaligned vector SSE double/single precision loads for AMDFAM10.
8390
8391 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8392
8393         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
8394         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
8395         Define TARGET_CPU_DEFAULT_amdfam10.
8396         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
8397         (processor_type): Add PROCESSOR_AMDFAM10.
8398
8399         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
8400         processor_type in config/i386/i386.h.
8401         Enable imul peepholes for TARGET_AMDFAM10.
8402
8403         * config.gcc: Add support for --with-cpu option for amdfam10.
8404
8405         * config/i386/i386.c (amdfam10_cost): New variable.
8406         (m_AMDFAM10): New macro.
8407         (m_ATHLON_K8_AMDFAM10): New macro.
8408         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
8409         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
8410         x86_promote_QImode, x86_integer_DFmode_moves,
8411         x86_partial_reg_dependency, x86_memory_mismatch_stall,
8412         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
8413         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
8414         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
8415         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
8416         Enable/disable for amdfam10.
8417         (override_options): Add amdfam10_cost to processor_target_table.
8418         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
8419         processor_alias_table.
8420         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
8421         (ix86_adjust_cost): Add code for amdfam10.
8422
8423 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8424
8425         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
8426         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
8427         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
8428         * config/i386/i386.h: Add builtin definition for SSE4A.
8429         * config/i386/i386.md: Add support for ABM instructions
8430         (popcnt and lzcnt).
8431         * config/i386/sse.md: Add support for SSE4A instructions
8432         (movntss, movntsd, extrq, insertq).
8433         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
8434         Add -march=amdfam10 flag.
8435         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
8436         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
8437         and amdfam10.
8438         * doc/extend.texi: Add documentation for SSE4A builtins.
8439
8440 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
8441
8442         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
8443
8444 2007-02-05  Richard Guenther  <rguenther@suse.de>
8445
8446         * tree-vectorizer.h (vectorizable_function): Add argument type
8447         argument, change return type.
8448         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
8449         * tree-vect-transform.c (vectorizable_function): Handle extra
8450         argument, return vectorized function decl.
8451         (build_vectorized_function_call): Remove.
8452         (vectorizable_call): Handle calls with result and argument types
8453         differing.  Handle loop vectorization factor correctly.
8454         * targhooks.c (default_builtin_vectorized_function): Adjust for
8455         extra argument.
8456         * targhooks.h (default_builtin_vectorized_function): Likewise.
8457         * target.h (builtin_vectorized_function): Add argument type
8458         argument.
8459         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
8460         extra argument, allow vectorizing of lrintf.
8461         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
8462         documentation of target hook.
8463
8464 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
8465
8466         PR target/30665
8467         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
8468         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
8469         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
8470
8471 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8472
8473         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
8474         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
8475         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
8476         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
8477         before canonicalizing sincos to cexpi.
8478         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
8479
8480 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8481
8482         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
8483         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
8484         (alpha_init_builtins): Use alpha_add_builtins to process tables.
8485
8486 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8487
8488         * mips-tfile.c (initialize_init_file): Correct endianness test.
8489
8490 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
8491
8492         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
8493         the 'y' constraint.
8494
8495 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
8496
8497         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
8498         saves in a PARALLEL before the register assignments.
8499
8500 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
8501
8502         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
8503         DWARF_FRAME_RETURN_COLUMN to be a general register.
8504         * dwarf2out.c (init_return_column_size): New function, split from...
8505         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
8506         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
8507         to be nongeneral registers.
8508         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
8509         integer registers.
8510         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
8511         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
8512
8513 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
8514
8515         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
8516
8517 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
8518
8519         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
8520         (remove_path): Use can_remove_branch_p and remove_branch instead
8521         of loop_delete_branch_edge.
8522         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
8523         (tree_transform_and_unroll_loop): Remove dead branches immediately.
8524         Update profile using scale_dominated_blocks_in_loop.
8525         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
8526         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
8527         (can_remove_branch_p, remove_branch): Declare.
8528         * tree-cfg.c (tree_can_remove_branch_p): New function.
8529         (tree_cfg_hooks): Add tree_can_remove_branch_p.
8530         * cfgrtl.c (rtl_can_remove_branch_p): New function.
8531         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
8532
8533 2007-02-05  Jan Hubicka  <jh@suse.cz>
8534
8535         PR middle-end/30696
8536         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
8537         nodes in cgraph, don't remove offline copy of the function.
8538
8539 2007-02-04  Jan Hubicka  <jh@suse.cz>
8540
8541         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
8542         vectors might cause maybe_lookup_element_for_expr to be called
8543         on non-sra-candidate.
8544
8545 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
8546
8547         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
8548         config/bfin/bfin.md, config/bfin/predicates.md: Follow
8549         spelling conventions.
8550
8551 2007-02-04  Richard Guenther  <rguenther@suse.de>
8552
8553         PR middle-end/30636
8554         * fold-const.c (try_move_mult_to_index): Make sure to not
8555         overflow one dimension of a multi-dimensional array access.
8556
8557 2007-02-04  Jan Hubicka  <jh@suse.cz>
8558
8559         * passes.c (init_optimization_passes): Reindent.
8560
8561 2007-02-04  Jan Hubicka  <jh@suse.cz>
8562             Eric Botcazou  <ebotcazou@adacore.com>
8563
8564         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
8565         (execute_fixup_cfg): Break out the abnormal goto code.
8566         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
8567         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
8568         (optimize_inline_calls): Call make_nonlocal_label_edges.
8569
8570 2007-02-04  Jan Hubicka  <jh@suse.cz>
8571
8572         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
8573         true when something was changed.
8574         (rename_ssa_copies): When something was changed, do
8575         TODO_remove_unused_locals.
8576         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
8577         add TODO_remove_unused_locals when instruction was removed.
8578
8579 2007-02-04  Jan Hubicka  <jh@suse.cz>
8580
8581         * ipa-inline.c (try_inline): Improve debug output; work on already
8582         inline edges too.
8583         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
8584         call try_inline for already inlined edges too when flattening;
8585         inline also functions that make callee growth but overall unit size
8586         reduce.
8587
8588 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
8589
8590         * config/m32c/bitops.md, config/m32c/jump.md,
8591         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
8592         config/m32r/m32r.h, config/m32r/m32r.md,
8593         config/m32r/predicates.md, config/m68hc11/larith.asm,
8594         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
8595         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
8596         config/mips/mips-protos.h, config/mips/mips.c,
8597         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
8598         config/mn10300/mn10300.h, config/mn10300/predicates.md,
8599         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
8600         spelling conventions.
8601
8602         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
8603         Follow spelling conventions.
8604
8605 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
8606
8607         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
8608         warn about C++0x compatibility.
8609
8610 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
8611
8612         * config/h8300/h8300.c, config/h8300/h8300.h,
8613         config/h8300/h8300.md: Follow spelling conventions.
8614
8615 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
8616
8617         PR middle-end/30667
8618         * combine.c (try_combine): Do not substitute source operand
8619         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
8620
8621 2007-02-03  Jan Hubicka  <jh@suse.cz>
8622
8623         PR gcov-profile/30650
8624         * value-prof.c (stringop_block_profile): Fix handling of size counter;
8625         do not divide by zero for never executed counters.
8626         (tree_find_values_to_profile): Fix counters.
8627         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
8628
8629 2007-02-03  Ian Lance Taylor  <iant@google.com>
8630
8631         * lower-subreg.c (simple_move_operand): New static function,
8632         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
8633         operands.
8634         (simple_move): Call simple_move_operand.
8635         (find_decomposable_subregs): Add special handling of MEMs.
8636         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
8637         meaning of return value.  If we see a hard register, test whether
8638         it can store a word_mode value.  Change all callers.
8639
8640 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8641
8642         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
8643         ftrapv insns and expanders.
8644         (subdi3): Change define_expand operand 1 to arith11_operand, and
8645         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
8646         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
8647         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
8648         respectively.
8649
8650         PR middle-end/30174
8651         * varasm.c (notice_global_symbol): Treat global objects as weak when
8652         flag_shlib is true.
8653
8654 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8655
8656         * emit-rtl.c (dconstpi): Delete.
8657         (dconstsqrt2): New.
8658         (init_emit_once): Delete dconstpi and init dconstsqrt2.
8659         * real.h (dconstpi): Delete.
8660         (dconstsqrt2): New.
8661         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
8662         (fold_builtin_hypot): Likewise.
8663
8664 2007-02-03  Tom Tromey  <tromey@redhat.com>
8665
8666         PR driver/30246
8667         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
8668         -gcoff3, -gxcoff3, -gvms3 implies -dD.
8669
8670 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
8671
8672         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
8673         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
8674         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
8675         config/rs6000/cell.md, config/rs6000/darwin.h,
8676         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
8677         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
8678         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
8679         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
8680         typos.  Follow spelling conventions.
8681         * doc/invoke.texi: Follow spelling conventions.
8682
8683 2007-02-03  Roger Sayle  <roger@eyesopen.com>
8684
8685         * simplify-rtx.c (simplify_relational_operation_1): Implement some
8686         canonicalization transformations that attempt to simplify integer
8687         constant comparisons to become comparisons against zero.
8688
8689 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8690
8691         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
8692         fabs(x)*sqrt(2).
8693         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
8694         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
8695
8696 2007-02-02  Mike Stump  <mrs@apple.com>
8697
8698         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
8699         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
8700         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
8701         generate a branch island.
8702
8703 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
8704
8705         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
8706         (xtensa_legitimate_address_p): New.
8707         (xtensa_legitimize_address): New.
8708         (xtensa_output_addr_const_extra): New.
8709         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
8710         (BASE_REG_P): New.
8711         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
8712         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
8713         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
8714         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
8715         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
8716         (xtensa_legitimize_address): New.
8717         (xtensa_output_addr_const_extra): New.
8718
8719 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
8720
8721         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
8722
8723 2007-02-02  Ian Lance Taylor  <iant@google.com>
8724
8725         * expmed.c (expand_divmod): Add comment.
8726
8727 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
8728
8729         * emit-rtl.c (renumber_insns): Remove.
8730         * flags.h: Remove the extern for flag_renumber_insns.
8731         * rtl.h: Remove the prototype for renumber_insns.
8732         * toplev.c (flag_renumber_insns): Remove.
8733
8734 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
8735
8736         Revert for x86 darwin:
8737         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
8738
8739         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
8740         code before the following patch under TARGET_MACHO.
8741         (ix86_function_value_regno_p): Likewise.
8742
8743 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8744
8745         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
8746         COMPLEX_EXPR.
8747
8748 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
8749
8750         PR target/29682
8751         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
8752         general or fp registers.  Add comments.
8753         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
8754
8755 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
8756
8757         * pointer-set.c (insert_aux): Only return insertion slot.
8758         (pointer_set_insert): Adjust.
8759         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
8760         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
8761         pointer_map_traverse): New.
8762         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
8763         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
8764         pointer_map_contains, pointer_map_traverse): Declare.
8765
8766 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
8767
8768         PR middle-end/30473
8769         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
8770         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
8771
8772 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
8773
8774         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
8775
8776         (struct _dep): New type.
8777         (dep_t): New typedef.
8778         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
8779         (DEP_STATUS): New access macro.  The macro with the same name was
8780         renamed to DEP_LINK_STATUS.
8781         (dep_init): Declare function
8782
8783         (struct _dep_link): New type.
8784         (dep_link_t): New typedef.
8785         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
8786         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
8787         (DEP_LINK_STATUS): New macro.
8788         (debug_dep_links): New debug function.
8789
8790         (struct _deps_list): New type.
8791         (deps_list_t): New typedef.
8792         (DEPS_LIST_FIRST): New access macro.
8793         (FOR_EACH_DEP_LINK): New cycle macro.
8794         (create_deps_list, free_deps_list, delete_deps_list): Declare
8795         functions.
8796         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
8797         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
8798         (copy_deps_list_change_con): Ditto.
8799
8800         (move_dep_link): Declare function.
8801
8802         (struct _dep_node): New type.
8803         (dep_node_t): New typedef.
8804         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
8805
8806         (struct haifa_insn_data.back_deps): New field to hold backward
8807         dependencies of the insn.
8808         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
8809         to deps_list_t.
8810         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
8811         Change its type to deps_list_t.
8812         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
8813         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
8814         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
8815
8816         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
8817
8818         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
8819
8820         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
8821         all callers.
8822         (dep_cost): Declare.
8823
8824         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
8825         (ds_to_dk, dk_to_ds): New functions.
8826
8827         (init_dep_1): New static function.
8828         (init_dep): New function.
8829         (copy_dep): New static function.
8830
8831         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
8832         functions.
8833         (detach_dep_link): New static function.
8834         (move_dep_link): New function.
8835
8836         (dep_links_consistent_p, dump_dep_links): New static functions.
8837         (debug_dep_links): New debugging function.
8838
8839         (deps_obstack, dl_obstack, dn_obstack): New static variables.
8840
8841         (alloc_deps_list, init_deps_list): New static functions.
8842         (create_deps_list): New function.
8843         (clear_deps_list): New static function.
8844         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
8845         (deps_list_consistent_p, dump_deps_list): New static functions.
8846         (debug_deps_list): New function.
8847         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
8848         functions.
8849         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
8850
8851         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
8852         use new scheduler dependencies lists.
8853         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
8854         (sched_analyze): Ditto.  Initialize dependencies lists.
8855         (add_forw_dep, compute_forward_dependences): Update to use new
8856         scheduler dependencies lists.
8857
8858         (init_dependency_caches): Init deps_obstack.
8859         (free_dependency_caches): Free deps_obstack.
8860
8861         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
8862         new scheduler dependencies lists.
8863         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
8864         (add_back_forw_dep, delete_back_forw_dep): Ditto.
8865
8866         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
8867         Update to use new scheduler dependencies lists.
8868         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
8869         (debug_dependencies): Ditto.
8870         (schedule_region): Update comments.
8871
8872         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
8873         scheduler dependencies lists.
8874         (schedule_ebb): Update comments.
8875
8876         * rtl.def (DEPS_LIST): Remove.
8877
8878         * lists.c (unused_deps_list): Remove.
8879         (free_list): Update assertions.
8880
8881         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
8882         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
8883
8884         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
8885         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
8886
8887         * haifa-sched.c (comments): Update.
8888         (insn_cost1): Remove.  Inline the code into insn_cost ().
8889         (insn_cost): Update to use new scheduler dependencies lists.  Move
8890         processing of the dependency cost to dep_cost ().
8891         (dep_cost): New function.  Use it instead of insn_cost () when
8892         evaluating cost of the dependency.  Use compatible interface to
8893         interact with the target.
8894         (priority): Update to use new scheduler dependencies lists.
8895         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
8896         with greater number of insns that depend on the insn.
8897         (schedule_insn): Update to use new scheduler dependencies lists.  Add
8898         code to free backward dependencies lists.  Inline and optimize code
8899         from resolve_dep () - see PR28071.
8900         (ok_for_early_queue_removal): Update to use new scheduler dependencies
8901         lists.  Update call to targetm.sched.is_costly_dependence hook.
8902
8903         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
8904         scheduler dependencies lists.
8905
8906         (resolve_dep): Remove.  Move the logic to schedule_insn ().
8907         (init_h_i_d): Initialize dependencies lists.
8908
8909         (process_insn_depend_be_in_spec): Rename to
8910         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
8911         dependencies lists.
8912         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
8913         Update to use new scheduler dependencies lists.
8914         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
8915
8916         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
8917         new scheduler dependencies lists.
8918         (build_intra_loop_deps): Ditto.
8919
8920         * target.h (struct _dep): Declare to use in
8921         gcc_target.sched.is_costly_dependence.
8922         (struct gcc_target.sched.adjust_cost): Fix typo.
8923         (struct gcc_target.sched.is_costly_dependence): Change signature to use
8924         single dep_t parameter instead of an equivalent triad.
8925         (struct gcc_target.sched.adjust_cost_2): Remove.
8926
8927         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
8928
8929         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
8930
8931         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
8932         documentation.
8933         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
8934
8935         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
8936         (REG_DEP_TRUE): Document.
8937
8938         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
8939         Change signature to correspond to the targetm.sched.adjust_cost hook.
8940         Update use in TARGET_SCHED_ADJUST_COST_2.
8941         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
8942         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
8943         new scheduler dependencies lists.
8944         (ia64_gen_check): Ditto.
8945
8946         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
8947         dependencies lists.
8948
8949         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
8950         signature to correspond to the targetm.sched.is_costly_dependence hook.
8951         (is_costly_group): Update to use new scheduler dependencies lists.
8952
8953         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
8954         instead of INSN_COST () macro.
8955
8956 2007-02-01  Ian Lance Taylor  <iant@google.com>
8957
8958         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
8959
8960 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
8961
8962         * pa.md (tp_load): Correct mfctl instruction syntax.
8963
8964 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
8965
8966         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
8967         altivec_padding_size calculation on AIX.  Improve comment, add
8968         assert to verify that it's right.
8969
8970         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
8971         64-bit.
8972
8973 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
8974
8975         PR inline-asm/28686
8976         * global.c (global_alloc): Add mising initialization of
8977         ELIMINABLE_REGSET.
8978
8979 2007-02-01  Roger Sayle  <roger@eyesopen.com>
8980
8981         * alias.c (init_alias_analysis): Correct whitespace.
8982         * bb-reorder.c (fix_edges_for_rarely_executed_code,
8983         partition_hot_cold_basic_blocks): Likewise.
8984         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
8985         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
8986         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
8987         fold_builtin_snprintf_chk, fold_builtin_printf,
8988         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
8989         do_mpfr_arg3, do_mpfr_sincos): Likewise.
8990         * cfgcleanup.c (cleanup_cfg): Likewise.
8991         * cfgexpand.c (tree_expand_cfg): Likewise.
8992         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
8993         * function.c (get_next_funcdef_no): Likewise.
8994         * gengtype.c (main): Likewise.
8995         * genmodes.c (main): Likewise.
8996         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
8997         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
8998         * ifcvt.c (noce_emit_move_insn): Likewise.
8999         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
9000         Likewise.
9001         * stor-layout.c (get_best_mode): Likewise.
9002         * tree-ssa-loop-niter.c (get_val_for): Likewise.
9003         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
9004         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
9005         perform_var_substitution, solve_graph): Likewise.
9006         * tree-vrp.c (vrp_finalize): Likewise.
9007
9008 2007-02-01  Ian Lance Taylor  <iant@google.com>
9009
9010         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
9011         high part of a paradoxical subreg, return a constant zero.
9012
9013 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
9014
9015         * toplev.c (lang_dependent_init): Call init_set_costs.
9016         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
9017
9018 2007-02-01  Richard Guenther  <rguenther@suse.de>
9019
9020         PR middle-end/30656
9021         * fold-const.c (fold_negate_expr): Allow negating a
9022         constant if overflow does not change.
9023
9024 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9025
9026         * doc/c-tree.texi (Expression trees): Improve markup.
9027         * doc/tm.texi (Register Classes, Addressing Modes)
9028         (Floating Point): Fix spacing after abbreviations.  Fix some
9029         typos.
9030
9031 2007-02-01  Ben Elliston  <bje@au.ibm.com>
9032
9033         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
9034         * doc/contrib.texi: Likewise.
9035         * doc/install.texi: Likewise.
9036
9037 2007-01-31  Richard Henderson  <rth@redhat.com>
9038             Ian Lance Taylor  <iant@google.com>
9039
9040         * lower-subreg.c: New file.
9041         * rtl.def (CONCATN): Define.
9042         * passes.c (init_optimization_passes): Add pass_lower_subreg and
9043         pass_lower_subreg2.
9044         * emit-rtl.c (update_reg_offset): New static function, broken out
9045         of gen_rtx_REG_offset.
9046         (gen_rtx_REG_offset): Call update_reg_offset.
9047         (gen_reg_rtx_offset): New function.
9048         * regclass.c: Revert patch of 2006-03-05, restoring
9049         reg_scan_update.
9050         (clear_reg_info_regno): New function.
9051         * dwarf2out.c (concatn_loc_descriptor): New static function.
9052         (loc_descriptor): Handle CONCATN.
9053         * common.opt (fsplit_wide_types): New option.
9054         * opts.c (decode_options): Set flag_split_wide_types when
9055         optimizing.
9056         * timevar.def (TV_LOWER_SUBREG): Define.
9057         * rtl.h (gen_reg_rtx_offset): Declare.
9058         (reg_scan_update): Declare.
9059         * regs.h (clear_reg_info_regno): Declare.
9060         * tree-pass.h (pass_lower_subreg): Declare.
9061         (pass_lower_subreg2): Declare.
9062         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
9063         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
9064         -fsplit-wide-types.
9065         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
9066         * Makefile.in (OBJS-common): Add lower-subreg.o.
9067         (lower-subreg.o): New target.
9068
9069 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9070
9071         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
9072
9073 2007-01-31  Anatoly Sokolov <aesok@post.ru>
9074
9075         PR target/19087
9076         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
9077
9078 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9079
9080         PR middle-end/29335
9081         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
9082
9083 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
9084
9085         * cfgloop.h: Include vec-prim.h.
9086         (enum li_flags): Remove LI_ONLY_OLD.
9087         (loop_iterator): Changed.
9088         (fel_next, fel_init): Iterate over loop tree.
9089         (FOR_EACH_LOOP_BREAK): New macro.
9090         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
9091         FOR_EACH_LOOP.
9092         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
9093         * modulo-sched.c (sms_schedule): Ditto.
9094         * tree-vectorizer.c (vectorize_loops): Ditto.
9095         * doc/loop.texi: Update information on loop numbering and behavior of
9096         FOR_EACH_LOOP wrto new loops.
9097         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9098         add_to_evolution_1): Test nestedness of loops instead of comparing
9099         their numbers.
9100         * tree-chrec.c (chrec_fold_plus_poly_poly,
9101         chrec_fold_multiply_poly_poly, chrec_evaluate,
9102         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
9103         reset_evolution_in_loop): Ditto.
9104         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
9105
9106 2007-01-31  Dirk Mueller  <dmueller@suse.de>
9107
9108         * c-common.c (warn_about_parentheses): Separate warning about
9109         un-parenthized sequence of comparison operators from the one
9110         which is supposed to warn about x <= y <= z.
9111
9112 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
9113
9114         * optabs.h (enum optab_index): Add new OTI_isinf.
9115         (isinf_optab): Define corresponding macro.
9116         * optabs.c (init_optabs): Initialize isinf_optab.
9117         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
9118         patterns.
9119         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
9120         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
9121         using isinf_optab.
9122         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
9123         expand_builtin_interclass_mathfn.
9124         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
9125         * config/i386/i386.md (UNSPEC_FXAM): New constant.
9126         (fxam<mode>2_i387): New insn pattern.
9127         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
9128         built-in functions as x87 inline asm.
9129
9130 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9131
9132         * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
9133
9134 2007-01-30  Eric Christopher  <echristo@apple.com>
9135
9136         * config.gcc: Add geode.
9137
9138 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9139
9140         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
9141         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
9142         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
9143         value-prof.c: Fix comment typos.
9144
9145 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9146
9147         PR c++/24745
9148         * doc/invoke.texi (Wpointer-arith): Document warning.
9149
9150 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
9151
9152         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
9153         the list of discrepancies from the draft TR.
9154
9155 2007-01-30  Dirk Mueller  <dmueller@suse.de>
9156
9157         PR c++/30601
9158         * doc/invoke.texi (-Wreturn-type): Update description to
9159         match new behavior.
9160
9161 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
9162
9163         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
9164
9165 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
9166
9167         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
9168         to handle optabs that operate on floating point input argument and
9169         output to integer output.
9170         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
9171         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
9172         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
9173         expand_builtin_interclass_mathfn ().
9174         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
9175         (ilogbsi2): Remove.
9176         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
9177         ilogbl built-in functions as x87 intrinsics.
9178
9179 2007-01-30  Richard Guenther  <rguenther@suse.de>
9180
9181         PR middle-end/27657
9182         * dwarf2out.c (reference_to_unused): Query varpool if the
9183         variable was output.
9184
9185 2007-01-30  Richard Guenther  <rguenther@suse.de>
9186
9187         PR middle-end/30313
9188         * passes.c (execute_one_pass): Reset in_gimple_form to not
9189         confuse non-unit-at-a-time mode.
9190
9191 2007-01-29  Roger Sayle  <roger@eyesopen.com>
9192             Richard Guenther  <rguenther@suse.de>
9193
9194         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
9195         avoid undefined behaviour on overflow.  Use force_fit_type_double
9196         to construct the constant with the specified TREE_OVERFLOW.
9197
9198 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
9199
9200         * config/dfp-bit.c: Add parameterized support for fp exceptions.
9201         * config/dfp-bit.h: Ditto.
9202
9203 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9204
9205         * c-decl.c (pop_scope): Replace warnings with call to
9206         warn_for_unused_label.
9207         * c-common.h (warn_for_unused_label): Declare.
9208         * c-common.c (warn_for_unused_label): Define.
9209
9210 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9211
9212         * tree-optimize.c (update_inlined_to_pointers): Delete unused
9213         function.
9214
9215 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
9216
9217         * Makefile.in (USER_H): Remove decfloat.h.
9218         * ginclude/decfloat.h: Delete, moving contents to ...
9219         * ginclude/float.h: Add support for decimal floating point,
9220         guarded by __STDC_WANT_DEC_FP__.
9221
9222 2007-01-29  Mike Stump  <mrs@apple.com>
9223
9224         * doc/gccint.texi (Top): Rename Loop Representation to Loop
9225         Analysis and Representation to resolve case insensitive conflict.
9226         * doc/loop.texi (Loop Analysis and Representation): Likewise.
9227
9228 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
9229
9230         * tree.h (struct tree_memory_tag): Add aliases member.
9231         (MTAG_ALIASES): New macro.
9232         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
9233         (add_may_alias): Remove pointer-set. Update for may_aliases being
9234         a bitmap.
9235         (mark_aliases_call_clobbered): Update for may_aliases being a
9236         bitmap.
9237         (compute_tag_properties): Ditto.
9238         (create_partition_for): Ditto.
9239         (compute_memory_partitions): Ditto.
9240         (dump_may_aliases_for): Ditto.
9241         (is_aliased_with): Ditto.
9242         (add_may_alias_for_new_tag): Ditto.
9243         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
9244         (compute_is_aliased): New function.
9245         (compute_may_aliases): Call compute_is_aliased).
9246         (init_alias_info): Initialize alias_bitmap_obstack.
9247         (union_alias_set_into): New function.
9248         (compute_flow_sensitive_aliasing): Use union_aliases_into.
9249         (have_common_aliases_p): Rewrite to take two bitmaps and use
9250         intersection.
9251         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
9252         Update for bitmaps.
9253         (finalize_ref_all_pointers): Update for add_may_alias changes.
9254         (new_type_alias): Ditto.
9255         * tree-flow-inline.h (may_aliases): Return a bitmap.
9256         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
9257         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
9258         may_aliases being a bitmap.
9259         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
9260         may_aliases now returns a bitmap.
9261         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
9262         being a bitmap.
9263         * tree-ssa-operands.c (add_virtual_operand): Update for
9264         may_aliases being a bitmap.
9265
9266 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
9267
9268         PR tree-optimization/30630
9269         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
9270         variable as changed.
9271
9272 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
9273
9274         PR c++/28266
9275         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
9276         expanded only once even if an error occurs.
9277
9278 2007-01-29  Ben Elliston  <bje@au.ibm.com>
9279
9280         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
9281         (__gcov_average_profiler): Likewise.
9282         (__gcov_ior_profiler): Likewise.
9283         (__gcov_merge_ior): Likewise.
9284
9285 2007-01-28  Jan Hubicka  <jh@suse.cz>
9286
9287         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
9288         * value-prof.c (stringop_block_profile): Likewise.
9289
9290 2007-01-28  Jan Hubicka  <jh@suse.cz>
9291
9292         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
9293         variant handling histograms; add wrapper.
9294         (clear_storage_via_libcall): Export.
9295         (emit_block_move_hints): Break out from ...; add histograms.
9296         (emit_block_move): ... this one.
9297         (clear_storage_hints): Break out from ...; add histograms.
9298         (clear_storage): ... this one.
9299         (set_storage_via_memset): Handle histogram.
9300         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
9301         (clear_storage_hints, clear_storage_via_libcall): Declare.
9302         (set_storage_via_setmem): Update prototype.
9303         * doc/md.texi (movmem, setmem): Document new arguments.
9304
9305         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
9306         new histograms.
9307         (stringop_block_profile): New global function.
9308         (tree_stringops_values_to_profile): Profile block size and alignment.
9309         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
9310         HIST_TYPE_IOR.
9311         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
9312         (stringop_block_profile): Declare.
9313         * builtins.c: Include value-prof.h.
9314         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
9315         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
9316         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
9317         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
9318         * profile.c (instrument_values): Add new counters.
9319         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
9320         calls.
9321         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
9322         (tree_init_edge_profiler): Build new profilers.
9323         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
9324         (pass_tree_profile): Add dump.
9325         (tree_profile_hooks): Update.
9326         * Makefile.in (LIBGCOV): Add new constants.
9327         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
9328         __gcov_ior_profiler): New.
9329         * i386.md (movmem/setmem expanders): Add new optional arguments.
9330
9331 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
9332
9333         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
9334
9335 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
9336
9337         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
9338         (tree_unswitch_single_loop): Pass eni_size_weights to
9339         tree_num_loop_insns.
9340         * tree-ssa-loop-manip.c: Include tree-inline.h.
9341         (can_unroll_loop_p): Pass eni_size_weights to
9342         tree_num_loop_insns.
9343         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
9344         Pass eni_size_weights to estimate_num_insns.
9345         * tree.h (init_inline_once): Export.
9346         * toplev.c (backend_init): Call init_inline_once.
9347         * cgraphunit.c (cgraph_process_new_functions,
9348         cgraph_analyze_function): Pass eni_inlining_weights to
9349         estimate_num_insns.
9350         * ipa-inline.c (compute_inline_parameters): Ditto.
9351         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
9352         to estimate_num_insns.
9353         (try_unroll_loop_completely): Pass eni_size_weights to
9354         tree_num_loop_insns.
9355         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
9356         ot estimate_num_insns.
9357         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
9358         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
9359         * tree-inline.c (eni_inlining_weights, eni_size_weights,
9360         eni_time_weights): New variables.
9361         (init_inline_once): Initialize them.
9362         (struct eni_data): Mew.
9363         (estimate_num_insns_1, estimate_num_insns): Use weights.
9364         * tree-inline.h (struct eni_weights_d): New.
9365         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
9366         (estimate_num_insns): Declaration changed.
9367         * cfgloop.h (tree_num_loop_insns): Declaration changed.
9368         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
9369         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
9370
9371 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
9372
9373         * tree-data-ref.c (conflict_fn): Assert that the number of affine
9374         relations in the conflict function is valid.
9375
9376 2007-01-27  Ian Lance Taylor  <iant@google.com>
9377
9378         * common.opt: Add fstrict-overflow.
9379         * opts.c (decode_options): Set flag_strict_overflow if -O2.
9380         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
9381         (TYPE_OVERFLOW_UNDEFINED): Define.
9382         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
9383         Replace all uses.
9384         * tree.h (TYPE_TRAP_SIGNED): Don't define.
9385         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
9386         (fold_negate_expr): Likewise.
9387         (make_range): Likewise.
9388         (extract_muldiv_1): Likewise.
9389         (maybe_canonicalize_comparison): Likewise.
9390         (fold_comparison): Likewise.
9391         (fold_binary): Likewise.
9392         (tree_expr_nonnegative_p): Likewise.
9393         (tree_expr_nonzero_p): Likewise.
9394         * tree-vrp.c (compare_values): Likewise.
9395         (extract_range_from_binary_expr): Likewise.
9396         (extract_range_from_unary_expr): Likewise.
9397         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
9398         Likewise.
9399         (nowrap_type_p): Likewise.
9400         * tree-scalar-evolution.c (simple_iv): Likewise.
9401         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
9402         (build_range_check): Likewise.
9403         (extract_muldiv_1): Likewise.
9404         (fold_comparison): Likewise.
9405         * tree-vrp.c (vrp_int_const_binop): Likewise.
9406         (extract_range_from_unary_expr): Likewise.
9407         * convert.c (convert_to_integer): Likewise.
9408         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
9409         (fold_comparison): Likewise.
9410         (fold_binary): Likewise.
9411         * optabs.c (optab_for_tree_code): Likewise.
9412         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
9413         * simplify-rtx.c (simplify_const_relational_operation): Check
9414         flag_strict_overflow and flag_trapv.
9415         (simplify_const_relational_operation): Likewise.
9416         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
9417         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
9418         -fstrict-overflow.
9419
9420 2007-01-27  Roger Sayle  <roger@eyesopen.com>
9421
9422         * tree.c (tree_fold_gcd): Delete.
9423         * tree.h (tree_fold_gcd): Remove prototype.
9424         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
9425         test whether one constant integer is a multiple of another.  Instead
9426         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
9427         * fold-const.c (multiple_of_p):  We've determined both TOP and
9428         BOTTOM are integer constants so we can call int_const_binop directly
9429         instead of the more generic const_binop.
9430
9431 2007-01-27  Roger Sayle  <roger@eyesopen.com>
9432
9433         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
9434         1*X check that the constant hasn't overflowed, to preserve the
9435         TREE_OVERFLOW bit.
9436         (round_up): Provide an efficient implementation when rouding-up an
9437         INTEGER_CST to a power-of-two.
9438
9439 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9440
9441         * doc/sourcebuild.texi: Add comma for clarity.
9442         * doc/extend.texi: Fix some typos.
9443         * doc/passes.texi: Likewise.
9444         * doc/cppinternals.texi: Likewise.
9445         * doc/c-tree.texi: Likewise.
9446         * doc/tree-ssa.texi: Likewise.
9447         * doc/install.texi: Likewise.
9448
9449 2007-01-27  Jan Hubicka  <jh@suse.cz>
9450
9451         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
9452         (pass_sra): Do not require alias information.
9453         * passes.c (init_optimization_passes): Add SRA
9454
9455 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
9456
9457         * tracer.c (rest_of_handle_tracer): We already cleaned
9458         up the CFG in tracer() so don't do it here again.
9459         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
9460         cleanup_cfg here, either.  And don't call renumber_insns.
9461
9462         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
9463         and BB_HEAD are in the insn stream here.  Instead make sure
9464         that BB_INSN is valid on all insns.  Also, do check here that
9465         there are no pending branch predictions...
9466         (rtl_verify_flow_info): ...instead of doing it here.  Checks
9467         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
9468         here.
9469
9470 2007-01-26  Roger Sayle  <roger@eyesopen.com>
9471
9472         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
9473         function to simplify/factorize operand order canonicalization.
9474         (ix86_fixup_binary_operands): Reorganize using the above function.
9475         (ix86_binary_operator_ok): Likewise.
9476
9477 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
9478
9479         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
9480         file scope from optimize_attrs.
9481         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
9482         up search.
9483         (optimize_attrs): Clear insn_code_values after freeing it.
9484
9485 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
9486
9487         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
9488         a parts.base assignment.
9489
9490 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
9491
9492         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
9493         (compute_subscript_distance, initialize_data_dependence_relation,
9494         finalize_ddr_dependent, analyze_ziv_subscript,
9495         analyze_siv_subscript_cst_affine,
9496         compute_overlap_steps_for_affine_univar,
9497         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
9498         analyze_siv_subscript, analyze_miv_subscript,
9499         analyze_overlapping_iterations, subscript_dependence_tester_1,
9500         compute_self_dependence, free_dependence_relation): Work
9501         with affine_fn instead of chrecs.
9502         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
9503         common_affine_function, affine_function_base,
9504         affine_function_constant_p, affine_fn_op, affine_fn_plus,
9505         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
9506         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
9507         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
9508         (all_chrecs_equal_p): Removed.
9509         * tree-data-ref.h (affine_fn, conflict_function): New types.
9510         (struct subscript): Change type of conflicting_iterations_in_a
9511         and conflicting_iterations_in_b.
9512
9513 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
9514
9515         PR other/30182
9516         * config/pa/pa.h (TARGET_HPUX_11): New.
9517         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
9518         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
9519
9520 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
9521         Richard Guenther  <rguenther@suse.de>
9522
9523         * tree-ssa-structalias.c (solve_graph): Handle case
9524         we merged the variable to another.
9525
9526 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9527
9528         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
9529         functions.
9530
9531         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
9532         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
9533
9534 2007-01-25  DJ Delorie  <dj@redhat.com>
9535
9536         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
9537         allow changes to modes which don't fit in those registers.
9538
9539         * reload1.c (choose_reload_regs): Check for invalid subregs before
9540         computing their locations, not after.
9541
9542 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
9543
9544         PR 25127
9545         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
9546         save Altivec registers in an eh_return function.
9547         (compute_vrsave_mask): Likewise.
9548         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
9549         for saving Altivec registers.
9550         (rs6000_emit_prologue): Don't allocate stack twice in
9551         eh_return function.  Correct expected value of altivec_save_offset
9552         when using save_world.  Describe save of R0 to stack when using
9553         save_world.  Describe stack pointer adjustment when using
9554         save_world.  Remove duplicated eh_return parameter register saving.
9555         Update sp_offset variable after save_world.
9556         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
9557         darwin-world.asm.
9558         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
9559         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
9560         implies Altivec.
9561
9562 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
9563
9564         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
9565
9566 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
9567
9568         PR other/30182
9569         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
9570         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
9571
9572 2007-01-25  Richard Guenther  <rguenther@suse.de>
9573
9574         * doc/invoke.texi (-Wcoverage-mismatch): Document.
9575         * common.opt (-Wcoverage-mismatch): New warning option.
9576         * coverage.c (get_coverage_counts): Ignore coverage mismatch
9577         if -Wcoverage-mismatch is given.
9578
9579 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
9580
9581         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
9582         (ipcp_driver): Change to static definition.
9583         Add dumping of the ifunctions.
9584         (constant_val_insert): Remove unused parameter. Support for SSA.
9585         (ipcp_propagate_const): Support for SSA.
9586         (ipcp_profile_bb_print): Print only analyzed nodes.
9587         (ipcp_replace_map_create): Remove support for Fortran constant
9588         for now.
9589         * ipa-prop.c (ipa_method_modify_stmt,
9590         ipa_callsite_compute_param): Support for SSA.
9591         * ipa-prop.h (ipcp_driver): Remove declaration.
9592         (IS_VALID_TREE_MAP_INDEX): Add define.
9593
9594 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
9595
9596         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
9597
9598 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9599
9600         PR middle-end/30447
9601         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
9602         constant argument to cabs and do it without checking for
9603         -funsafe-math-optimizations.
9604
9605 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
9606
9607         * c-common.h (RID_FIRST_CXX0X): New.
9608         (RID_LAST_CXX0X): New.
9609         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
9610         by -Wall.
9611         * c.opt (Wc++0x-compat): New.
9612         * doc/invoke.texi (-Wc++0x-compat): Document.
9613
9614 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9615
9616         * builtins.c (fold_builtin_carg): New.
9617         (fold_builtin_1): Use it.
9618
9619 2007-01-24  Jan Hubicka  <jh@suse.cz>
9620
9621         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
9622
9623         * ipa-inline.c (initial_insns, max_insns): Delete.
9624         (compute_max_insns): New function.
9625         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
9626         of insns as base for code growth.
9627         (cgraph_decide_inlining): Make initial_insns local; do not compute
9628         max_insns.
9629         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
9630         * doc/invoke.texi (inline-unit-growth): Update docs.
9631
9632 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
9633
9634         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
9635         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
9636         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
9637         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
9638         for CPUs that have PTA_CX16 set.
9639
9640         PR middle-end/27416
9641         * gimplify.c (omp_check_private): New function.
9642         (gimplify_scan_omp_clauses): Use it for
9643         firstprivate/lastprivate/reduction.
9644
9645         PR middle-end/30494
9646         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
9647         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
9648
9649         PR middle-end/30421
9650         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
9651         If lower_lastprivate_clauses emits some statements, append them
9652         to dlist rather than body_p and to body_p append an initializer.
9653         (lower_omp_for): Adjust caller.
9654
9655 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
9656
9657         * target.h (globalize_decl_name): New.
9658         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
9659         * output.h (default_globalize_decl_name): New.
9660         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
9661         globalize_label.
9662         (globalize_decl): Ditto.
9663         (default_globalize_decl_name): New.
9664         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
9665         (ia64_handle_version_id_attribute): New.
9666         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
9667         (ia64_asm_output_external): Use globalize_decl_name instead
9668         of globalize_label.
9669         * doc/extend.texi (version_id): New pragma.
9670         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
9671
9672 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
9673
9674         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
9675         _uleb128_t and _Unwind_SWord with _sleb128_t.
9676         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
9677         uw_frame_state_for, uw_update_context_1): Likewise.
9678         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
9679         * unwind-pe.h (read_uleb128, read_sleb128,
9680         read_encoded_value_with_base): Likewise.
9681         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
9682
9683 2007-01-24  Richard Guenther  <rguenther@suse.de>
9684
9685         * builtins.c (expand_builtin_cexpi): Get the fndecl
9686         for cexp in the correct way.
9687
9688 2007-01-24  Jan Hubicka  <jh@suse.cz>
9689
9690         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
9691
9692 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
9693
9694         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
9695         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
9696         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
9697         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
9698         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
9699         __SIZEOF_PTRDIFF_T__.
9700         * doc/cpp.texi: Documentation for the new builtin macros added.
9701
9702 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
9703
9704         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
9705         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
9706         instead of operands[2] to avoid access past the end of array.
9707
9708 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
9709
9710         * reload1.c (emit_reload_insns): Pass the reload register
9711         for a non-spill output reload through forget_old_reloads_1.
9712
9713 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
9714
9715         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
9716         _SOFT_DOUBLE if doubles use software floating-point.
9717         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
9718         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
9719         * config/rs6000/darwin-ldouble.c: Also compile functions for
9720         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
9721         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
9722         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
9723         commented-out long double override.
9724         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
9725         * config/rs6000/eabispe.h: Likewise.
9726         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
9727         long double for non-SPE.
9728         (rs6000_handle_option): Likewise.
9729         (invalid_e500_subreg): Disallow more subregs involding DImode,
9730         DFmode, TImode or TFmode.
9731         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
9732         E500 double.
9733         (legitimate_lo_sum_address_p): Also check for TFmode for E500
9734         double.
9735         (rs6000_legitimize_address): Also handle TFmode for E500 double.
9736         (rs6000_legitimize_reload_address): Also handle TFmode for E500
9737         double.
9738         (rs6000_legitimate_address): Also check for TFmode for E500
9739         double.
9740         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
9741         (spe_build_register_parallel): Handle TFmode and TCmode.
9742         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
9743         double.
9744         (function_arg): Handle TFmode and TCmode for E500 double.
9745         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
9746         in general.
9747         (print_operand): Handle TFmode and TImode for %y.
9748         (rs6000_generate_compare): Handle TFmode comparisons for E500
9749         double.
9750         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
9751         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
9752         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
9753         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
9754         TFmode for E500 double.
9755         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
9756         (floatsidf2): Enable for E500 double.
9757         (movtf_softfloat): Use rs6000_nonimmediate_operand.
9758         (extenddftf2): Change to extenddftf2_fprs.
9759         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
9760         depending on TARGET_E500_DOUBLE.
9761         (extendsftf2): Enable for E500 double.
9762         (trunctfdf2): Enable for E500 double.
9763         (trunctfsf2): Change to trunctfsf2_fprs.
9764         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
9765         depending on TARGET_E500_DOUBLE.
9766         (floatsitf2): Enable for E500 double.
9767         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
9768         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
9769         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
9770         (negtf2): Change to negtf2_internal.
9771         (negtf2): New expander.
9772         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
9773         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
9774         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
9775         (movdi_internal32): Use rs6000_nonimmediate_operand.
9776         (unnamed splitter): Likewise.
9777         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
9778         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
9779         (SPE64TF, DITI): New mode macros.
9780         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
9781         modes.
9782         (frob_tf_ti): New.
9783         (frob_<mode>_di_2): New.
9784         (frob_tf_di_8_2): New.
9785         (frob_di_df): Change to frob_di_<mode>; allow more modes.
9786         (frob_ti_tf): New.
9787         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
9788         more modes.
9789         (frob_ti_<mode>_8_2): New.
9790         (frob_ti_tf_2): New.
9791         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
9792         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
9793         TFmode.
9794         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
9795         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
9796         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
9797         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
9798         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
9799         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
9800         tsttflt_gp): New.
9801
9802 2007-01-23  Ian Lance Taylor  <iant@google.com>
9803
9804         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
9805         insn-*.o first.
9806         (OBJS-archive): Reformat, alphabetize.
9807         (OBJS): Change out_object_file to OBJS-md.
9808
9809 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
9810
9811         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
9812         JUMP_P and CALL_P predicates where applicable.
9813         * config/i386/i386.c: Ditto.
9814         * config/i386/i386.md: Ditto.
9815         * config/i386/mmx.md: Ditto.
9816         * config/i386/predicates.md: Ditto.
9817
9818 2007-01-22  Andreas Schwab  <schwab@suse.de>
9819
9820         * config/m68k/m68k.h: Fix comment.
9821
9822 2007-01-22  Jan Hubicka  <jh@suse.cz>
9823
9824         * passes.c (init_optimization_passes): Do not rerun
9825         pass_early_warn_uninitialized.
9826
9827 2007-01-22  Richard Guenther  <rguenther@suse.de>
9828
9829         PR tree-optimization/30038
9830         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
9831         function.
9832         (execute_cse_sincos_1): Likewise.
9833         (execute_cse_sincos): Likewise.
9834         (gate_cse_sincos): Likewise.
9835         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
9836         the cexpi() canonicalization of sincos().
9837         * tree-pass.h (pass_cse_sincos): Declare.
9838         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
9839
9840 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
9841
9842         PR rtl-optimization/29329
9843         * combine.c (replaced_rhs_insn): Rename to i2mod.
9844         (replaced_rhs_value): Rename to i2mod_new_rhs.
9845         (i2mod_old_rhs): New global variable.
9846         (combine_instructions): Adjust for above change.  Save a copy of
9847         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
9848         note are substituted in the second instruction.
9849         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
9850         ditch the note if it pertains to the second eliminated register
9851         and this register is mentioned in i2mod_old_rhs.
9852
9853         Revert:
9854         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
9855
9856         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
9857         the insn to which the note was originally attached.
9858
9859 2007-01-21  Jan Hubicka  <jh@suse.cz>
9860
9861         * ipa-inline.c (inlining_mode): Comment, move up.
9862         (cgraph_decide_inlining_incrementally): Do not perform inlining
9863         itself; fix handling of flattening of self recursive functions.
9864         (cgraph_find_cycles): Remove.
9865         (cgraph_flatten_node): Remove.
9866         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
9867         (try_inline): New function.
9868         (cgraph_early_inlining): Update call of
9869         cgraph_decide_inlining_incrementally.  Apply inlining here.
9870         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
9871
9872 2007-01-21  Dirk Mueller  <dmueller@suse.de>
9873
9874         PR bootstrap/30511
9875         * tree-vrp.c (check_array_bounds): do not warn
9876         about ADDR_EXPR's of ARRAY_REF's which are immediately
9877         used in binary expressions.
9878
9879 2007-01-21  Ira Rosen  <irar@il.ibm.com>
9880
9881         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
9882         read_write_dep and macros for its access.
9883         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
9884         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
9885         argument, call vect_check_interleaving for every independent pair of
9886         data-refs. Mark loads that access the same memory location as a store
9887         in the loop.
9888         (vect_check_dependences): Remove.
9889         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
9890         call, fix the call to vect_analyze_data_ref_dependence.
9891         (vect_analyze_data_ref_access): For statements that access the same
9892         data-ref, check that they are not stores; for loads, check that there
9893         is no store that access the same location.
9894
9895 2007-01-20  Roger Sayle  <roger@eyesopen.com>
9896             Joseph Myers  <joseph@codesourcery.com>
9897
9898         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
9899         (-fdump-rtl-stack): Likewise.
9900         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
9901         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
9902         (-mpt-fixed): Use @minus{} for minus sign.
9903         (Using Precompiled Headers): Fix under/overfull hbox.
9904
9905 2007-01-20  Jan Hubicka  <jh@suse.cz>
9906
9907         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
9908         place within annotation.
9909
9910 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9911
9912         * pa.c (output_move_double): Change array size of xoperands to 4.
9913
9914 2007-01-20  Jan Hubicka  <jh@suse.cz>
9915
9916         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
9917         as temporary.
9918
9919 2007-01-19  Ian Lance Taylor  <iant@google.com>
9920
9921         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
9922         constant to unsigned HOST_WIDE_INT before negating.
9923
9924 2007-01-19  Ian Lance Taylor  <iant@google.com>
9925
9926         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
9927         to unsigned.
9928         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
9929         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
9930         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
9931         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
9932         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
9933         (realloc_vdef, realloc_vuse): Change second parameter to
9934         unsigned.
9935         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
9936         fields to unsigned.
9937         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
9938         unsigned. Change x and lim locals to unsigned.
9939         (realloc_vdef, realloc_vuse): Change num_elem parameter to
9940         unsigned.
9941         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
9942         (copy_virtual_operands): Change i and n locals to unsigned.
9943
9944 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9945
9946         PR middle-end/29335
9947         * builtins.c (fold_builtin_1): Handle builtin fdim.
9948
9949 2007-01-20  Jan Hubicka  <jh@suse.cz>
9950
9951         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
9952         * tree-ssa-structalias.c (compute_points_to_sets): Do call
9953         init_alias_heapvars.
9954         (init_alias_heapvars): Initialize only when not already initialized.
9955         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
9956
9957 2007-01-19  Roger Sayle  <roger@eyesopen.com>
9958
9959         * common.opt (fsigned-zeros): New command line option.
9960         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
9961         of flag_unsafe_math_optimizations.
9962         * opts.c (set_fast_math_flags): The -ffast-math command line option
9963         implies -fno-signed-zeros.
9964         (fast_math_flags_set_p): Likewise.
9965
9966         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
9967         the documentation of -ffast-math appropriately.  Wrap long lines.
9968
9969 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
9970
9971         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
9972         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
9973
9974 2007-01-19  Tomas Bily  <tbily@suse.cz>
9975
9976         * cgraphunit.c (cgraph_finalize_function): Updating of pid
9977         * tree-profile.c:
9978         (tree_init_ic_make_global_vars): New function
9979         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
9980         (tree_gen_ic_profiler): New function
9981         (tree_gen_ic_func_profiler): New function
9982         (tree_profiling): Added calling of tree_gen_ic_func_profiler
9983         (tree_profile_hooks): Added hook for indirec/virtual calls
9984         * value-prof.c (tree_find_values_to_profile): New case for
9985         indirect calls
9986         (tree_values_to_profile): Call for determining indirect/virtual
9987         counters
9988         (tree_indirect_call_to_profile): New function
9989         (tree_ic_transform): New function
9990         (tree_ic): New function
9991         (find_func_by_pid): New function
9992         (init_pid_map): New function
9993         (tree_value_profile_transformations): Added check for
9994         indirect/virtual call transformation
9995         * value-prof.h (enum hist_type): New counter type for
9996         indirect/virtual calls
9997         (profile_hooks): Added new hook for profiling indirect/virtual
9998         calls
9999         * profile.c (instrument_values): New case for indirect/virtual
10000         call added
10001         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
10002         (GCOV_COUNTER_V_INDIR): New counter type
10003         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
10004         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
10005         call added
10006         * cgraph.c: Definition of cgraph_max_pid
10007         (cgraph_create_node): Default init of pid attribute
10008         * cgraph.h: Declaration of cgraph_max_pid
10009         (struct cgraph_node): Added pid attribute
10010         * libgcov.c (__gcov_indirect_call_profiler): New function
10011         (__gcov_one_value_profiler_body): New function
10012         (__gcov_one_value_profiler): Body was moved to
10013         __gcov_one_value_profiler_body and calls it
10014
10015 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
10016
10017         * doc/gty.texi (Options): Document the mark_hook option to GTY.
10018         * gengtype.c (write_types_data, write_func_for_structure,
10019         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
10020         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
10021         (walk_type, write_func_for_structure): Generate the mark_hook if
10022         needed.
10023
10024 2007-01-19  Jan Hubicka  <jh@suse.cz>
10025
10026         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
10027         'early' argument take inlining mode argument specifying whether to
10028         inline for size/speeed or all functions; add support for flattening;
10029         improve dumpting.
10030         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
10031
10032 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10033
10034         PR c++/17947
10035         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
10036         the name of the declared identifier.
10037
10038 2007-01-19  Dirk Mueller  <dmueller@suse.de>
10039
10040         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
10041         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
10042         duplicate evaluation.
10043
10044 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
10045
10046         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
10047         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
10048         to XFMode, use acosxf2 and truncate result to requested mode.
10049         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
10050         (asin<mode>2): Similarly, with asin expanders.
10051         (*fscalexf4_i387): Rename from *fscalexf4.
10052         (expNcorexf3): New expander.
10053         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
10054         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
10055         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
10056         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
10057         patterns for SSE math.
10058         (exp10<mode>2): Similarly, with exp10 expanders.
10059         (exp2<mode>2): Similarly, with exp2 expanders.
10060         (expm1<mode>2): Similarly, with expm1 expanders.
10061         (ldexp<mode>3): Similarly, with ldexp expanders.
10062         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
10063         Use gen_truncxf<mode>2_i387_noop to truncate result.
10064
10065 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10066
10067         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
10068         for ColdFire targets.
10069
10070 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
10071             Richard Sandiford  <richard@codesourcery.com>
10072
10073         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
10074         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
10075         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
10076         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
10077         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
10078         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
10079
10080 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10081
10082         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
10083         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
10084         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
10085         (*adddi_dilshr32_cf): New pattern.
10086         (adddi3, subdi3): Remove first alternatives.
10087
10088 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10089
10090         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
10091         implemented using move.l, do not use its cc result for floating-point
10092         comparisons.
10093
10094 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10095
10096         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
10097         from accepting 's' constraints if flag_pic.
10098
10099 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10100
10101         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
10102         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
10103         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
10104         condition from TARGET_68881 to TARGET_HARD_FLOAT.
10105
10106 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
10107
10108         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
10109         ColdFire alternatives.
10110         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
10111         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
10112         architectures that support ff1 instruction.
10113
10114 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10115             Julian Brown  <julian@codesourcery.com>
10116
10117         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
10118         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
10119         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
10120         Add commentary.
10121
10122 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10123
10124         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
10125         and return a bool.
10126         (output_move_const_into_data_reg, output_move_simode_const): Delete.
10127         * config/m68k/m68k.c (const_method, const_int_cost): Take a
10128         HOST_WIDE_INT instead of an rtx.
10129         (m68k_rtx_costs): Update call accordingly.
10130         (output_move_const_into_data_reg): Likewise.  Fix formatting.
10131         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
10132         Return a bool.
10133         (output_move_simode_const): Update calls after above changes.
10134         Rework to use automatic variables and predicates like MEM_P.
10135         * config/m68k/m68k.md (pushexthisi_const): Update call to
10136         valid_mov3q_const.
10137
10138 2007-01-19  Dirk Mueller  <dmueller@suse.de>
10139
10140         * tree-ssa-alias.c (perform_var_substitution): Fix typo
10141         in dump_flags test.
10142
10143 2007-01-19  Richard Guenther  <rguenther@suse.de>
10144
10145         * builtins.c (expand_builtin_cexpi): Fall back to expanding
10146         via cexp in case sincos is not available.
10147
10148 2007-01-19  Richard Guenther  <rguenther@suse.de>
10149
10150         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
10151         * defaults.h (TARGET_HAS_SINCOS): Default to off.
10152         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
10153         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
10154         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
10155         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
10156         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
10157         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
10158
10159 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
10160
10161         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
10162         New insn patterns.
10163         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
10164         (atan2xf3): Directly generate RTL pattern.
10165         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
10166         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
10167         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10168         disable patterns for SSE math.
10169         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
10170         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
10171         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10172         disable patterns for SSE math.
10173
10174 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
10175
10176         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
10177
10178 2007-01-18  Roger Sayle  <roger@eyesopen.com>
10179
10180         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
10181         VIEW_CONVERT_EXPR to the same type as it's operand.
10182
10183 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
10184
10185         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
10186         configured for long double 128.
10187
10188 2007-01-18  Mike Stump  <mrs@apple.com>
10189
10190         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
10191         error.
10192
10193 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
10194
10195         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
10196         type correct.
10197
10198 2007-01-18  Jan Hubicka  <jh@suse.cz>
10199
10200         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
10201         greater than NUM_VOP_FREE_BUCKETS.
10202
10203 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
10204
10205         * tree-ssa-structalias.c: Update comments.
10206         (ptabitmap_obstack): Removed.
10207         (pta_obstack): New.
10208         (oldpta_obstack): Ditto.
10209         (stats): Add a few members.
10210         (struct variable_info): Remove node, complex, address_taken, and
10211         indirect_target members. Add oldsolution member.
10212         (new_var_info): Do not initialize removed members.
10213         (constraint_expr_type): Remove INCLUDES.
10214         (constraint_graph): Add size, implicit_preds, rep,
10215         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
10216         (FIRST_REF_NODE): New macro.
10217         (LAST_REF_NODE): Ditto.
10218         (FIRST_ADDR_NODE): Ditto.
10219         (find): New function.
10220         (unite): Ditto.
10221         (dump_constraint): Do not handle INCLUDES.
10222         (insert_into_complex): Do not insert duplicate constraints.
10223         (condense_varmap_nodes): Renamed and rewritten into ...
10224         (merge_node_constraints): This. Also fix bug in handling of
10225         offseted copy constraints.
10226         (clear_edges_for_node): No longer need to deal with preds at all,
10227         or removing associated preds/succs.
10228         (merge_graph_nodes): Deal with indirect_cycles.
10229         Don't deal with predecessors.
10230         (add_implicit_graph_edge): New function.
10231         (add_pred_graph_edge): Ditto.
10232         (add_graph_edge): Don't deal with predecessors.
10233         (build_constraint_graph): Removed.
10234         (build_pred_graph): New function.
10235         (build_succ_graph): Ditto.
10236         (struct scc_info): Removed in_component. Added roots, dfs, and
10237         node_mapping. Remove visited_index, unification_queue.
10238         (scc_visit): Deal with union-find we do now.
10239         Deal with cycles with REF nodes.
10240         (collapse_nodes): Renamed and rewritten to ...
10241         (unify_nodes): This.
10242         (process_unification_queue): Removed.
10243         (topo_visit): Cleanup
10244         (do_da_constraint): Use find.
10245         (do_sd_constraint): Ditto.
10246         (do_ds_constraint): Ditto.
10247         (do_complex_constraint): Ditto.
10248         (init_scc_info): Update for removed and added members.
10249         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
10250         (find_indirect_cycles): This.
10251         (equivalence_class): New variable.
10252         (label_visit): New function.
10253         (perform_variable_substitution): Rewritten.
10254         (free_var_substitution_info): New function.
10255         (find_equivalent_node): Ditto.
10256         (move_complex_constraints): Ditto.
10257         (eliminate_indirect_cycles): Ditto.
10258         (solve_graph): Only propagate changed bits.
10259         Use indirect cycle elimination.
10260         Use find.
10261         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
10262         (tree_id_eq): Renamed to ...
10263         (tree_vi_eq): This. Update for member change
10264         (insert_id_for_tree): Renamed and rewritten to ...
10265         (insert_vi_for_tree): This.
10266         (lookup_id_for_tree): Renamed and rewritten to ...
10267         (lookup_vi_for_tree): This.
10268         (get_id_for_tree): Renamed and rewritten to ...
10269         (get_vi_for_tree): Ditto.
10270         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
10271         (process_constraint): Don't handle INCLUDES.
10272         Remove special ADDRESSOF case.
10273         (find_func_aliases): Rewrite to use vi functions instead of id
10274         ones.
10275         (create_function_info_for): Ditto.
10276         (create_variable_info_for): Ditto.
10277         (intra_create_variable_infos): Ditto.
10278         (merge_smts_into): Ditto.
10279         (find_what_p_points_to): Ditto.
10280         (init_base_vars): Ditto.
10281         (init_alias_vars): Ditto.
10282         (remove_preds_and_fake_succs): New function.
10283         (dump_sa_points_to_info): Dump new stats.
10284         (dump_solution_for_var): Use find.
10285         (set_used_smts): Fix formatting.
10286         (compute_points_to_sets): Updated for new functions.
10287         (ipa_pta_execute): Ditto.
10288
10289 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10290             Richard Sandiford  <richard@codesourcery.com>
10291
10292         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
10293         parallels.
10294         * calls.c (expand_call): If the return value is a PARALLEL,
10295         extract its first member.
10296         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
10297         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
10298         use FUNCTION_EXTRA_EPILOGUE.
10299         (m68k_function_value): Return a PARALLEL if the return value
10300         is of a pointer type.
10301         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
10302         (FUNCTION_EXTRA_EPILOGUE): Remove.
10303         * config/m68k/m68k.md (D0_REG): New constant.
10304
10305 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10306
10307         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
10308         output a NOP for empty epilogues.
10309
10310 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10311
10312         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
10313         before function.  Extend register save check to include all
10314         registers, not just integer ones.
10315
10316 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10317
10318         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
10319         (m68k_use_return_insn): ...this.
10320         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
10321         * config/m68k/m68k.c (use_return_insn): Rename to...
10322         (m68k_use_return_insn): ...this.
10323         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
10324         of USE_RETURN_INSN.
10325
10326 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10327
10328         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
10329         nearest even, fix denormal rounding overflow.
10330
10331 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10332
10333         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
10334         f%$smove and f%$move.
10335         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
10336         (extendsfdf2_cf): Use fdmove instead of f%&move.
10337         (truncdfsf2_cf): Use fsmove instead of f%$smove.
10338         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
10339
10340 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10341
10342         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
10343         GPR<-GPR moves.
10344
10345 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10346
10347         * real.h (real_format): Add a canonical_nan_lsbs_set field.
10348         (coldfire_single_format): Declare.
10349         (coldfire_double_format): Likewise.
10350         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
10351         of qnan_msb_set to determine the lower bits of a canonical
10352         NaN significand.
10353         (encode_ieee_double): Likewise.
10354         (encode_ieee_quad): Likewise.
10355         (ieee_single_format): Initialize canonical_nan_lsbs_set.
10356         (mips_single_format): Likewise.
10357         (ieee_double_format): Likewise.
10358         (mips_double_format): Likewise.
10359         (ieee_extended_motorola_format): Likewise.
10360         (ieee_extended_intel_96_format): Likewise.
10361         (ieee_extended_intel_128_format): Likewise.
10362         (ieee_extended_intel_96_round_53_format): Likewise.
10363         (ibm_extended_format): Likewise.
10364         (mips_extended_format): Likewise.
10365         (ieee_quad_format): Likewise.
10366         (mips_quad_format): Likewise.
10367         (vax_f_format): Likewise.
10368         (vax_d_format): Likewise.
10369         (vax_g_format): Likewise.
10370         (i370_single_format): Likewise.
10371         (i370_double_format): Likewise.
10372         (decimal_single_format): Likewise.
10373         (decimal_double_format): Likewise.
10374         (decimal_quad_format): Likewise.
10375         (c4x_single_format): Likewise.
10376         (c4x_extended_format): Likewise.
10377         (real_internal_format): Likewise.
10378         (coldfire_single_format): New real_format.
10379         (coldfire_double_format): Likewise.
10380         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
10381         canonical_nan_lsbs_set.
10382         (pdp11_d_format): Likewise.
10383         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
10384         if TARGET_COLDFIRE_CPU.
10385
10386 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10387
10388         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
10389         (output_call, m68k_legitimize_call_address): Declare.
10390         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
10391         parenthesees.  Add support for a 'W' constraint.
10392         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
10393         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
10394         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
10395         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
10396         variables.
10397         (override_options): Initialize them.  Do not set flag_no_function_cse
10398         for TARGET_ID_SHARED_LIBRARY.
10399         (m68k_output_pic_call): Delete.
10400         (m68k_legitimize_call_address): New function.
10401         (print_operand): Remove the %o prefix.  Handle the %p prefix.
10402         (output_call): New function.
10403         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
10404         target address from the GOT if symbolic jumps are not allowed.
10405         * config/m68k/m68k.md (call, general_operand): Do not set
10406         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
10407         Merge separate flag_pic and !flag_pic define_insns into...
10408         (*call, *call_value): ...these new patterns.  Match the address
10409         rather than the containing MEM and require it to be a call_operand.
10410         Use output_call to generate the asm template.
10411         * config/m68k/predicates.md (const_call_operand): New predicate.
10412         (call_operand): Likewise.
10413
10414 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10415
10416         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
10417         (STACK_GROWS_DOWNWARD): Define to 1.
10418         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
10419         comments, emphasizing that these values are only defaults.
10420         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
10421         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
10422
10423 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10424
10425         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
10426
10427 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10428             Richard Sandiford  <richard@codesourcery.com>
10429
10430         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
10431         (FP_REGNO_P): New macros.
10432         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
10433         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
10434         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
10435         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
10436
10437 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10438
10439         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
10440         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
10441         to $tmake_file.
10442         * config/m68k/t-floatlib: New file, extracting common code from...
10443         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
10444         * config/m68k/t-uclinux: Here.
10445         * config/m68k/fpgnulib.c: Do not compile extendeed precision
10446         routines on ColdFire targets.
10447
10448 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10449
10450         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
10451         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
10452         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
10453         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
10454         explicitly set MOTOROLA to 1.
10455         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
10456
10457 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10458             Nathan Sidwell  <nathan@codesourcery.com>
10459
10460         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
10461         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
10462         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
10463         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
10464         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
10465         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
10466         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
10467         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
10468         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
10469         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
10470         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
10471         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
10472         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
10473         (DBX_REGISTER_NUMBER): Delete.
10474         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
10475         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
10476         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
10477
10478 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10479
10480         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
10481         * config/flat.h: New file.
10482         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
10483         OBJECT_FORMAT_FLAT.
10484         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
10485         indirect references for -msep-data or -mid-shared-library.
10486         Do not use PC-relative code addresses either.
10487         * config/m68k/m68k.c (override_options): Restrict -fPIC error
10488         to -mpcrel.
10489         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
10490         for shared libraries and crt1.o for executables.  Use crti.o and
10491         crtbegin.o.
10492         (ENDFILE_SPEC): Use crtend.o and crtn.o.
10493         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
10494         Do not add -elf2flt or -shared-lib-id options here.
10495         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
10496         Pass -shared-lib-id if -mid-shared-library, taking the library
10497         identifier from -mshared-library-id if given, otherwise
10498         defaulting to 0.
10499         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
10500         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
10501         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
10502         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
10503         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
10504         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
10505         and crtend.o.
10506         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
10507         jump sequence for ISA A and ISA A+.
10508         (PICJUMP): Likewise.
10509
10510 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10511
10512         * config.gcc (m68k-*-uclinux*): Base the port on the common
10513         and m68k GNU/Linux files rather than on the generic ELF ones.
10514         * config/m68k/uclinux.h (TARGET_VERSION): Override.
10515         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
10516
10517 2007-01-18  Julian Brown  <julian@codesourcery.com>
10518             Richard Sandiford  <richard@codesourcery.com>
10519
10520         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
10521         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
10522         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
10523         before redefining.
10524         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
10525         80 unconditionally.
10526         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
10527
10528 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10529
10530         * doc/install.texi: Document m68k-uclinuxoldabi.
10531         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
10532         * config/m68k/uclinux-oldabi.h: New file, copied from
10533         config/m68k/uclinux.h.
10534
10535 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
10536
10537         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
10538         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
10539         (m32r_compute_frame_size): Use unsigned for regno.
10540         (m32r_reload_lr): Use gen_frame_mem.
10541         (pop): New.
10542         (m32r_output_function_epilogue): Don't output the function epilogue
10543         textually here.
10544         (m32r_expand_epilogue): New.
10545         (direct_return): Return false if the function has the interrupt
10546         attribute.
10547         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
10548         * config/m32r/m32r.md (epilogue): New expander.
10549         (return_lr, return_rte): New insns.
10550         (return): Make it expander.
10551         (return_normal): New expander.
10552
10553 2007-01-18  Josh Conner  <jconner@apple.com>
10554
10555         PR target/30485
10556         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
10557         support for UNLE, UNLT, UNGE, and UNGT.
10558
10559 2007-01-18  Jan Hubicka  <jh@suse.cz>
10560
10561         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
10562         * tree-tailcall (add_virtual_phis): Likewise.
10563         (optimize_tail_call): Return TODOs.
10564         (execute_tail_calls): Return TODOs.
10565         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
10566         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
10567         changed.
10568         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
10569         Cleanup cfg using TODO.
10570         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
10571         * passes.c (execute_function_todo): When cleanup did something, remove
10572         unused locals.
10573         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
10574         (make_edges): Don't cleanup_cfg.
10575
10576 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
10577
10578         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
10579         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
10580         operate on the top of stack.
10581         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
10582         register handling of instructions that output to the second
10583         stack slot.
10584         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
10585         (move_for_stack_reg): Special-case check for dead destination
10586         stack slot for constant load of 1.0 inside UNSPEC_TAN.
10587
10588         * config/i386/i386.md (UNSPEC_TAN): New constant.
10589         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
10590         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
10591         to correctly model move of constant 1.0 to top stack slot.
10592         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
10593         (unnamed peephole2 pattern): Remove corresponding peephole2
10594         pattern that optimizes tan insn and loading of constant 1.0.
10595         (tanxf2): Use fptanxf4_i387.
10596         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
10597         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
10598         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10599         disable patterns for SSE math.
10600         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
10601         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
10602
10603 2007-01-18  Dirk Mueller  <dmueller@suse.de>
10604             Richard Guenther <rguenther@suse.de>
10605
10606         PR diagnostic/8268
10607         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
10608         * common.opt (Warray-bounds): Add new warning option.
10609         * c-opts.c (c_common_handle_option): Define -Warray-bounds
10610         if -Wall is given.
10611         * Makefile.in: make tree-vrp.o depend on toplev.h
10612         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
10613         is enabled.
10614         (check_array_refs, check_array_bounds, check_array_ref): New.
10615
10616 2007-01-18  Jan Hubicka  <jh@suse.cz>
10617
10618         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
10619         (execute_ssa_ccp): Return flags conditionally.
10620         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
10621         changed.
10622         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
10623
10624 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
10625
10626         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
10627         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
10628
10629         * Makefile.c (GTFILES): Add cfglayout.h.
10630         * gengtype.c (open_base_files): Likewise.
10631         * cfglayout.c (cfg_layout_function_footer,
10632         cfg_layout_function_header) Reindent to make gengtype happy.
10633         * cfglayout.h (cfg_layout_function_footer,
10634         cfg_layout_function_header): Add GTY(()) marker.
10635
10636         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
10637
10638 2007-01-18  Ben Elliston  <bje@au.ibm.com>
10639
10640         * genautomata.c (write_automata): Include xstrerror output in the
10641         error message if writing the DFA description file fails.
10642
10643 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
10644
10645         * config/mips/mips-protos.h (mips_output_external): Make it
10646         return void.
10647         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
10648         * config/mips/mips.c (irix_output_external_libcall): Likewise.
10649         (extern_list): Likewise.
10650         (extern_head): Likewise.
10651         (TARGET_ASM_FILE_END): Likewise.
10652         (mips_file_end): Likewise.
10653         (mips_output_external): Rewritten.
10654
10655 2007-01-18  Ben Elliston  <bje@au.ibm.com>
10656
10657         * genpreds.c (write_insn_preds_c): Only write out the function
10658         body for regclass_for_constraint if we have register constraints.
10659
10660 2007-01-17  Tom Tromey  <tromey@redhat.com>
10661
10662         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
10663         * doc/install.texi (Testing): Use sourceware.org.
10664         (Binaries): Likewise.
10665         (Specific): Likewise.
10666         * doc/contrib.texi (Contributors): Use sourceware.org.
10667
10668 2007-01-17  Anatoly Sokolov <aesok@post.ru>
10669
10670         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
10671         (AVR_ENHANCED): Rename to ...
10672         (AVR_HAVE_MUL): ... new.
10673         (avr_enhanced_p): Rename to ...
10674         (avr_have_mul_p): ... new.
10675         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
10676         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
10677         * config/avr/avr.c (avr_enhanced_p): Rename to ...
10678         (avr_have_mul_p): ... new.
10679         (base_arch_s): Rename 'enhanced' to 'have_mul'.
10680         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
10681         'avr_enhanced_p' and 'enhanced'.
10682         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
10683         AVR_HAVE_MUL instead of AVR_ENHANCED.
10684         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
10685         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
10686         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
10687         instead of AVR_ENHANCED.
10688         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
10689         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
10690         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
10691
10692 2007-01-17  Ian Lance Taylor  <iant@google.com>
10693
10694         * vec.h (VEC_reserve_exact): Define.
10695         (vec_gc_p_reserve_exact): Declare.
10696         (vec_gc_o_reserve_exact): Declare.
10697         (vec_heap_p_reserve_exact): Declare.
10698         (vec_heap_o_reserve_exact): Declare.
10699         (VEC_OP (T,A,reserve_exact)): New static inline function, three
10700         versions.
10701         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
10702         negative parameter.
10703         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
10704         (VEC_OP (T,A,copy)) [all versions]: Likewise.
10705         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
10706         * vec.c (calculate_allocation): Add exact parameter.  Change all
10707         callers.
10708         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
10709         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
10710         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
10711         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
10712         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
10713         (vec_heap_p_reserve_exact): New function.
10714         (vec_heap_o_reserve_exact): New function.
10715
10716 2007-01-17  Jan Hubicka  <jh@suse.cz>
10717
10718         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
10719
10720 2007-01-17  Eric Christopher  <echristo@apple.com>
10721
10722         * config.gcc: Support core2 processor.
10723
10724 2007-01-16  Jan Hubicka  <jh@suse.cz>
10725
10726         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
10727         the names, just unlink the chain so we don't crash on dangling pointers
10728         to dead SSA names.
10729
10730 2007-01-16  Jan Hubicka  <jh@suse.cz>
10731
10732         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
10733         * tree-pass.h: Reorder to make IPA passes appear toegher.
10734         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
10735         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
10736         parameters, do not call early inliner.
10737         * ipa-inline.c: Update comments.  Include tree-flow.h
10738         (cgraph_decide_inlining): Do not compute inlining parameters.
10739         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
10740         be called with function context set up.
10741         (pass_ipa_inline): Remove unreachable functions before pass.
10742         (cgraph_early_inlining): Simplify assuming to be called from the
10743         PM as local pass.
10744         (pass_early_inline): New pass.
10745         (cgraph_gate_ipa_early_inlining): New gate.
10746         (pass_ipa_early_inline): Turn into simple wrapper.
10747         (compute_inline_parameters): New function.
10748         (gate_inline_passes): New gate.
10749         (pass_inline_parameters): New pass.
10750         (apply_inline): Move here from tree-optimize.c
10751         (pass_apply_inline): New pass.
10752         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
10753         transforming.
10754         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
10755         doing them by hand.
10756         (tree_function_versioning): Do not allocate dummy struct function.
10757         * tree-inline.h (optimize_inline_calls): Update prototype.
10758         * tree-optimize.c (execute_fixup_cfg): Export.
10759         (pass_fixup_cfg): Remove
10760         (tree_rest_of_compilation): Do not apply inlines.
10761         * tree-flow.h (execute_fixup_cfg): Declare.
10762         * Makefile.in (gt-passes.c): New.
10763         * passes.c: Include gt-passes.h
10764         (init_optimization_passes): New passes.
10765         (nnodes, order): New static vars.
10766         (do_per_function_toporder): New function.
10767         (execute_one_pass): Dump current pass here.
10768         (execute_ipa_pass_list): Don't dump current pass here.
10769
10770 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
10771
10772         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
10773         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
10774
10775 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
10776
10777         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
10778         (strong_alias): Define.
10779         (__gcc_qmul): Provide non-FMA for soft-float.
10780         (__gcc_qdiv): Same.
10781         (__gcc_qneg): New.
10782         (__gcc_qeq): New.
10783         (__gcc_qle): New.
10784         (__gcc_qge): New.
10785         (__gcc_qunord): New.
10786         (__gcc_stoq): New.
10787         (__gcc_dtoq): New.
10788         (__gcc_qtos): New.
10789         (__gcc_qtod): New.
10790         (__gcc_qtoi): New.
10791         (__gcc_qtou): New.
10792         (__gcc_itoq): New.
10793         (__gcc_utoq): New.
10794         (fmsub): New.
10795         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
10796         soft-float functions.
10797         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
10798         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
10799         about long double soft float.
10800
10801 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
10802             Tehila Meyzels  <tehila@il.ibm.com>
10803
10804         * tree-vectorizer.h (is_pattern_stmt_p): New.
10805         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
10806         formatting (tabs instead of spaces). Cleanup and clarify setting
10807         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
10808         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
10809         (vectorizable_type_demotion): Check that types are integral.
10810         (vectorizable_type_promotion): Likewise.
10811         (vectorizable_store): Fix typo.  Eliminate new-line at end of
10812         comments.
10813
10814 2007-01-16  Jan Hubicka  <jh@suse.cz>
10815
10816         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
10817         cgraph edges too.
10818
10819 2007-01-15  Eric Christopher  <echristo@apple.com>
10820
10821         * ifcvt.c: Include vec.h, vecprim.h.
10822         (check_cond_move_block): New argument regs.
10823         Reorganize. Add registers used to regs.
10824         (cond_move_process_if_block): Use regs set above as
10825         loop bounds.
10826
10827 2007-01-15  Eric Christopher  <echristo@apple.com>
10828
10829         * config/darwin.h: Update copyright.
10830         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
10831         (LINK_COMMAND_SPEC): Add -u.
10832         (LINK_SPEC): Fix umbrella for above.
10833
10834 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
10835
10836         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
10837         glibc CVS.
10838
10839 2007-01-15  Tom Tromey  <tromey@redhat.com>
10840
10841         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
10842         * doc/install.texi (Testing): Don't mention jacks.
10843         (Configuration): Document --enable-java-maintainer-mode.  Move
10844         --with-java-home to libgcj-specific section.  Document
10845         --with-ecj-jar.
10846         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
10847
10848 2007-01-15  Jan Hubicka  <jh@suse.cz>
10849
10850         * tree-ssa-dce.c (DCE_TODOs): New.
10851         (propagate_necessity): Return if something changed.
10852         (eliminate_unnecessary_stmts): Likewise.
10853         (perform_tree_ssa_dce): Return TODO flags when needed.
10854         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
10855
10856 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
10857
10858         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
10859         (fyl2x_extend<mode>xf3_i387): New insn pattern.
10860         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
10861         patterns using X87MODEF12 mode macro.  Extend operand 1
10862         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
10863         (log10<mode>2): Ditto.
10864         (log2<mode>2): Ditto.
10865         (log1p<mode>2): Ditto.
10866         (logb<mode>2): Ditto.
10867         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
10868         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
10869         (*fxtractxf3_i387): Rename from *fxtractxf3.
10870         (fxtract_extend<mode>xf3_i387): New insn pattern.
10871         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
10872         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
10873         and gen_fyl2xxf3_i387().
10874
10875 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
10876
10877         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
10878         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
10879         get_loop_exit_edges.  Changed return type to bool.
10880         * cfgloop.h (fix_loop_placement): Declaration removed.
10881
10882 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
10883
10884         * param.h (MIN_VECT_LOOP_BOUND): New.
10885         * params.def (MIN_VECT_LOOP_BOUND): New.
10886         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
10887         argument - minimum threshold for number of iterations.
10888         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
10889         argument to declaration.
10890         * tree-vect-analyze.c (vect_analyze_operations): Check value of
10891         MIN_VECT_LOOP_BOUND.
10892         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
10893         slpeel_tree_peel_loop_to_edge with additional argument.
10894         (vect_do_peeling_for_alignment): Likewise.
10895         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
10896
10897 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
10898
10899         PR target/30413
10900         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
10901         operands of size 1.
10902
10903 2007-01-14  Jan Hubicka  <jh@suse.cz>
10904
10905         * tree-dfa.c (remove_referenced_var): New function.
10906         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
10907         prune referenced vars list too.
10908         * tree-flow.h (remove_referenced_var): Declare.
10909
10910 2007-01-14  Jan Hubicka  <jh@suse.cz>
10911
10912         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
10913         separately.
10914         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
10915         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
10916         * except.h (verify_eh_throw_table_statements): Kill prototype.
10917         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
10918         into call exrepssions.
10919         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
10920         eh trhow verifier.
10921         * tree-cfg.c: Include pointer-set.h.
10922         (verify_node_sharing): Work on pointer set.
10923         (verify_eh_throw_stmt_node): New.
10924         (verify_stmts): Use pointers sets, verify throw_stmt.
10925
10926 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
10927
10928         * ipa-reference.c (analyze_function): Consider also addresses taken
10929         in phi nodes.
10930
10931 2007-01-12  Roger Sayle  <roger@eyesopen.com>
10932
10933         * c-typeck.c (null_pointer_constant_p): Replace use of
10934         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
10935         (build_c_cast): Likewise.
10936
10937 2007-01-12  Roger Sayle  <roger@eyesopen.com>
10938
10939         * tree.h (force_fit_type_double): Remove unused final argument.
10940         * c-common.c (constant_expression_warning): Replace use of
10941         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
10942         (convert_and_check): Likewise.
10943         (shorten_compare): Update call to force_fit_type_double.
10944         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
10945         * convert.c (convert_to_pointer): Update call to
10946         force_fit_type_double.
10947         * fold-const.c (force_fit_type_double): Remove overflowed_const
10948         argument.
10949         (int_const_binop, fold_convert_const_int_from_int,
10950         fold_convert_const_int_from_real, fold_div_compare,
10951         fold_sign_changed_comparison, fold_unary, fold_negate_const,
10952         fold_abs_const, fold_not_const): Remove the final argument from
10953         calls to force_fit_type_double.
10954
10955 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10956
10957         * configure.ac: Set insn to "nop" for spu-*-* also.
10958         * configure: Regenerate.
10959
10960 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
10961
10962         * builtins.def : Add BUILT_IN_FREE.
10963
10964 2007-01-12  Jan Hubicka  <jh@suse.cz>
10965
10966         PR tree-optimization/30443
10967         * tree-inline.c (tree_function_versioning): Do not optimize when
10968         cloning for inlining.
10969
10970 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
10971
10972         * doc/loop.texi: Document recording of loop exits.
10973         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
10974         (update_single_exits_after_duplication,
10975         update_single_exit_for_duplicated_loop,
10976         update_single_exit_for_duplicated_loops): Removed.
10977         (duplicate_loop_to_header_edge): Do not call
10978         update_single_exits_after_duplication and
10979         update_single_exit_for_duplicated_loops.
10980         (loop_version): Do not update single_exit information.
10981         (fix_loop_structure): Use record_loop_exits instead of
10982         mark_single_exit_loops.
10983         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
10984         the lists of loop exits.
10985         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
10986         split_edge, merge_blocks): Update the lists of loop exits.
10987         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
10988         loop_optimizer_init.
10989         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
10990         of mark_single_exit_loops.
10991         (loop_optimizer_finalize): Call release_recorded_exits.
10992         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
10993         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
10994         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
10995         update single exit information.
10996         * lambda-code.c (perfect_nestify): Ditto.
10997         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
10998         (mark_single_exit_loops): Removed.
10999         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
11000         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
11001         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
11002         functions.
11003         (get_loop_exit_edges, single_exit): Use recorded exit lists.
11004         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
11005         (verify_loop_structure): Verify consistency of the exit lists.
11006         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
11007         (set_single_exit): Removed.
11008         * cfgloop.h (struct loop_exit): New function.
11009         (struct loop): single_exit_ field replaced by exits field.
11010         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
11011         (struct loops): Added exits hash.
11012         (mark_single_exit_loops, set_single_exit): Declaration removed.
11013         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
11014
11015 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11016
11017         * doc/invoke.texi: Avoid use of @headitem.
11018
11019 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11020
11021         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
11022
11023 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11024
11025         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
11026         list of targets.
11027
11028 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11029             Richard Sandiford  <richard@codesourcery.com>
11030
11031         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
11032         * config/m68k/m68k.opt: Resort options.
11033         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
11034
11035 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11036             Richard Sandiford  <richard@codesourcery.com>
11037
11038         * doc/invoke.texi: Document the macros that are defined by
11039         m68k's -mtune and -mhard-float options.
11040         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
11041         (m68k_cpp_cpu_family): Likewise.
11042         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
11043         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
11044         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
11045         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
11046         (m68k_cpp_cpu_family): Likewise.
11047
11048 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11049
11050         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
11051         macros besides mc68000 as tuning macros.  Use a switch statement
11052         to set them and mcpu32.
11053
11054 2007-01-12  Julian Brown  <julian@codesourcery.com>
11055
11056         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
11057         (TARGET_68040_ONLY): Rename to...
11058         (TARGET_68040): ...this.
11059         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
11060         * config/m68k/m68k.md: Likewise.
11061
11062 2007-01-12  Julian Brown  <julian@codesourcery.com>
11063             Nathan Sidwell  <nathan@codesourcery.com>
11064             Richard Sandiford  <richard@codesourcery.com>
11065
11066         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
11067         the -mcpu= argument associated with the --with-cpu setting.
11068         Define M68K_DEFAULT_TUNE to the default -mtune= option,
11069         if different from the one implied by the -mcpu setting.
11070         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
11071         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
11072         * doc/invoke.texi: Mention ColdFire in the introduction to the
11073         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
11074         -mno-div and -mhard-float options.  Make -m68881 a synonym for
11075         -mhard-float.  Document the previously-undocumented -m5206e,
11076         -m528x, -m5307 and -m5407 options.  Tweak the existing option
11077         documentation for consistency.
11078         * doc/install.texi: Mention new --with-cpu arguments.
11079         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
11080         default CPU if neither -mcpu nor -march are specified.
11081         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
11082         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
11083         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
11084         using m68k_tune to decide between families that implement the
11085         same ISA.  Use m68k_tune to set __mcfv4e__.
11086         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
11087         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
11088         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
11089         (FL_ISA_C, FL_ISA_MMU): New macros.
11090         (MASK_COLDFIRE): Delete.
11091         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
11092         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
11093         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
11094         (TARGET_HARD_FLOAT): Do not define here.
11095         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
11096         (TUNE_68000): New macro.
11097         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
11098         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
11099         (TUNE_CFV2): Redefine in terms of m68k_tune.
11100         (uarch_type, target_device, fpu_type): New enums.
11101         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
11102         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
11103         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
11104         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
11105         (FL_FOR_isa_c): New macros.
11106         (m68k_isa): New enum.
11107         (m68k_target_selection): New structure.
11108         (all_devices, all_isas, all_microarchs): New tables.
11109         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
11110         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
11111         (MASK_ALL_CPU_BITS): Delete.
11112         (m68k_find_selection): New function.
11113         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
11114         Map the legacy target options to a combination of the new ones.
11115         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
11116         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
11117         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
11118         settings.
11119         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
11120         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
11121         properties.
11122         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
11123         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
11124         * config/m68k/m68k-devices.def: New file.
11125
11126 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11127             Nathan Sidwell  <nathan@codesourcery.com>
11128
11129         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
11130         (SUBTARGET_EXTRA_SPECS): New macros.
11131         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
11132         use %(asm_cpu_spec) instead.
11133         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
11134         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
11135         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
11136         (EXTRA_SPECS): Rename to...
11137         (SUBTARGET_EXTRA_SPECS): ...this.
11138
11139 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11140             Richard Sandiford  <richard@codesourcery.com>
11141             Julian Brown  <julian@codesourcery.com>
11142
11143         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
11144         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
11145         to the configuration's default CPU.
11146         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
11147         Remove default masks.
11148         (m680[012]0-*-*): Set the default with_cpu to the first part of
11149         the target name.
11150         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
11151         (m68k*-*-linux): Extend the --with-cpu handling to...
11152         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
11153         and m68010.  Don't set target_cpu_default2.
11154         * doc/install.texi: Document --with-cpu for m68k.
11155         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
11156         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
11157         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
11158         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
11159         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
11160         (ASM_SPEC): Remove use of %(asm_cpu_default).
11161         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
11162         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
11163         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
11164         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
11165         __HAVE_FPU__ if TARGET_HARD_FLOAT.
11166         (TARGET_DEFAULT): Delete.
11167         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
11168         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
11169         (CPP_CPU_SPEC): Delete.
11170         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
11171         the appropriate string.
11172         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
11173         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
11174         (ASM_SPEC): Don't use %(asm_default_spec).
11175         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
11176         TARGET_DEFAULT and add MASK_68881.
11177         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
11178
11179 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11180
11181         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
11182         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
11183         MASK_68010 alongside MASK_68020.
11184         * doc/invoke.texi: Document -m68010.
11185         * config/m68k/m68k.opt (m68010): New.
11186         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
11187         if TUNE_68010.
11188         (TUNE_68010): New macro.
11189         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
11190         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
11191         (M68K_CPU_m68332): Add MASK_68010.
11192         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
11193         fallback definition.
11194         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
11195         defines.
11196         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
11197         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
11198         to all entries that use MASK_68020.
11199         (output_move_simode_const, output_move_himode, output_move_qimode)
11200         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
11201         instead of TARGET_68020 to select clr behavior.  Remove comment
11202         about there being no TARGET_68010.
11203         * config/m68k/m68k.md: Likewise throughout.
11204
11205 2007-01-12  Julian Brown  <julian@codesourcery.com>
11206
11207         * config/m68k/m68k.h (TARGET_ISAB): New macro.
11208         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
11209         * config/m68k/m68k.md: Likewise.
11210
11211 2007-01-12  Julian Brown  <julian@codesourcery.com>
11212
11213         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
11214         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
11215
11216 2007-01-12  Julian Brown  <julian@codesourcery.com>
11217
11218         * config/m68k/m68k.h (TUNE_68040_60): New macro.
11219         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
11220         * config/m68k/m68k.md: Likewise.
11221
11222 2007-01-12  Julian Brown  <julian@codesourcery.com>
11223             Richard Sandiford  <richard@codesourcery.com>
11224
11225         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
11226         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
11227         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
11228         TARGET_CPU32.
11229         (TARGET_CPU32): Rename to...
11230         (TUNE_CPU32): ...this.
11231         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
11232         (TUNE_CFV2): New macros.
11233         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
11234         remove conditions that are implied by TARGET_68020.
11235         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
11236         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
11237         (m68k_output_function_epilogue): Likewise.
11238         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
11239         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
11240         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
11241         non-68000 timings.  Refactor multiplication and division costs.
11242         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
11243         TUNE_CPU32 instead of TARGET_CPU32.
11244         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
11245         and TUNE_68060 instead of TARGET_68060.
11246         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
11247         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
11248         TARGET_CPU32.
11249         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
11250         && !TARGET_COLDFIRE" to choose between moveq and clr.
11251         Likewise in the unnamed movsf pattern.
11252         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
11253         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
11254         ashiftrt pattern.
11255
11256 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11257
11258         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
11259         of tabbing before backslashes.
11260
11261 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11262
11263         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
11264         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
11265         (ASM_OUTPUT_INTERNAL_LABEL): Define.
11266
11267 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
11268
11269         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
11270         find_interesting_uses_cond.
11271         (find_interesting_uses_cond): Use extract_cond_operands.
11272         (rewrite_use_compare): Use extract_cond_operands and
11273         force_gimple_operand_bsi.  Do not call update_stmt.
11274         (determine_use_iv_cost_condition): Use extract_cond_operands.
11275         Return cheaper of using original bound and changing the exit bound.
11276
11277 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
11278
11279         PR tree-optimization/29516
11280         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
11281         most_expensive_mult_to_index, addr_to_parts,
11282         create_mem_ref, maybe_fold_tmr): Make the type of
11283         fields of TARGET_MEM_REF sizetype.
11284         (move_fixed_address_to_symbol, move_pointer_to_base):
11285         New functions.
11286         * tree.def (TARGET_MEM_REF): Add comment on types of
11287         the operands.
11288
11289 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
11290
11291         * c-common.c (vector_types_convertible_p): Treat opaque types as
11292         always convertible if they have the same size, but not otherwise.
11293
11294 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
11295
11296         * ifcvt.c (struct noce_if_info): Add comments to the fields.
11297         Remove the b_unconditional field.
11298         (noce_try_sign_mask): Do not look at b_unconditional.
11299         (noce_process_if_block): Do not use merge_if_blocks.  Update
11300         the CFG here.  Do not set b_unconditional.
11301         (cond_move_process_if_block): Likewise.
11302         (find_cond_trap): Likewise.
11303         (check_cond_move_block): Require simple jump insns at the end
11304         of the basic block.
11305
11306 2007-01-11  Jan Hubicka  <jh@suse.cz>
11307
11308         PR tree-optimization/1046
11309         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
11310         when alias info is not ready.
11311         (pass_tail_recursion): Do not require aliasing.
11312         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
11313         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
11314         * tree-ssa-copy.c (pass_copy_prop): Likewise.
11315         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
11316         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
11317         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
11318         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
11319         before inlining.
11320         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
11321         When aliasing is not build, mark statement as volatile.
11322
11323 2007-01-11  Tom Tromey  <tromey@redhat.com>
11324
11325         PR preprocessor/15185, PR preprocessor/20989:
11326         * doc/cppopts.texi <-MT>: Update description of algorithm for
11327         computing default target.
11328         <-M, -MD>: Reword "basename" text.
11329
11330 2007-01-11  Roger Sayle  <roger@eyesopen.com>
11331
11332         * builtins.c (expand_builtin_pow, expand_builtin_powi,
11333         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
11334         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
11335         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
11336         fold_builtin_bswap, real_constp, fold_builtin_pow,
11337         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
11338         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
11339         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11340         * convert.c (convert_to_pointer): Likewise.
11341         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
11342         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
11343         const_binop, fold_convert_const_int_from_int,
11344         fold_convert_const_int_from_real,
11345         fold_convert_const_real_from_real, sign_bit_p,
11346         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
11347         fold_sign_changed_comparison, fold_unary, fold_comparison,
11348         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
11349         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
11350         * print-tree.c (print_node_brief, print_node): Likewise.
11351         * stor-layout.c (place_field, layout_type): Likewise.
11352         * tree-chrec.c (keep_cast): Likewise.
11353         * tree.c (build_vector, build_real, build_real_from_int_cst,
11354         build_complex): Likewise.
11355
11356 2007-01-11  Roger Sayle  <roger@eyesopen.com>
11357
11358         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
11359         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
11360
11361 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
11362
11363         * configure.ac (strict1_warn): Rename to strict_warn.
11364         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
11365         cc_set_by_configure, quoted_cc_set_by_configure,
11366         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
11367         all_boot_languages, all_stagestuff): Remove.
11368         (target_list): Remove bootstrap targets.
11369         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
11370         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
11371         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
11372         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
11373         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
11374         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
11375         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
11376         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
11377         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
11378         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
11379         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
11380         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
11381         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
11382         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
11383         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
11384         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
11385         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
11386         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
11387         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
11388         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
11389         (mostlyclean): Adjust.
11390         (clean, distclean): Don't mention bootstrap stuff.
11391         * configure: Regenerate.
11392         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
11393         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
11394         treelang/config-lang.in (stagestuff): Remove.
11395         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
11396         stageprofile, stagefeedback, stagestuff): Remove mention.
11397
11398 2007-01-11  Nick Clifton  <nickc@redhat.com>
11399
11400         * config/mcore/predicates.md (mcore_general_movesrc_operand):
11401         Accept CONSTs.
11402         (mcore_general_movdst_operand): Do not accept CONST_INTs.
11403         (mcore_arith_K_S_operand): Run the test for the S constraint not
11404         the test for the M constraint.
11405         (mcore_addsub_operand): Do not accept integer values that are
11406         larger than 32 bits.
11407         * config/mcore/mcore.md: Remove unused constraints from split.
11408         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
11409         (addsi3): Likewise.
11410         (allocate_stack): Likewise.
11411         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
11412         operands to 32 bits.
11413         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
11414         INTVAL.
11415         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
11416         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
11417         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
11418         mcore_output_bclri, mcore_output_andn, output_inline_const,
11419         mcore_output_move, mcore_output_movedouble): Likewise.
11420         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
11421         (output_inline_const): Likewise.
11422         (output_inline_const): Fix format strings used in sprintf
11423         statements.
11424         * config/mcore/mcore-protos.h: Update prototypes for changed
11425         functions in mcore.c.
11426         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
11427         HOST_WIDE_INT and not int.
11428         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
11429         CONST_OK_FOR_N): Likewise.
11430         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
11431         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
11432         an INTVAL.
11433
11434 2007-01-10  Jan Hubicka  <jh@suse.cz>
11435
11436         * tree-vrp.c (remove_range_assertions): Release defs.
11437         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
11438         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
11439
11440 2007-01-10  Paul Brook  <paul@codesourcery.com>
11441
11442         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
11443         * config/arm/arm.md (mulsi3subsi): New insn.
11444
11445 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
11446
11447         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
11448         (tree_transform_and_unroll_loop): New.
11449         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
11450         Declare.
11451
11452 2007-01-10  Robert Kennedy <jimbob@google.com>
11453
11454         * fold-const.c (fold_comparison): Fold comparisons like (x *
11455         1000 < 0) to (x < 0).
11456
11457 2007-01-10  Ian Lance Taylor  <iant@google.com>
11458
11459         * tree-pretty-print.c (dump_generic_node): Print parentheses when
11460         operands have the same priority.
11461
11462 2007-01-10  Tom Tromey  <tromey@redhat.com>
11463
11464         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
11465         (fold_binary): Likewise.
11466         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
11467         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
11468         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
11469         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
11470         * langhooks.h (struct lang_hooks): Removed field
11471         'can_use_bit_fields_p'.
11472
11473 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
11474
11475         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
11476
11477 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
11478
11479         * function.c (get_last_funcdef_no): New function.
11480         * function.h (get_last_funcdef_no): Declare.
11481         * tree-inline.c (initialize_cfun): Add initialization.
11482         (tree_function_versioning): Cleanup.
11483
11484 2007-01-10  Jan Hubicka  <jh@suse.cz>
11485
11486         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
11487         PHIs.
11488
11489 2007-01-10  Sa Liu  <saliu@de.ibm.com>
11490             Ben Elliston  <bje@au.ibm.com>
11491
11492         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
11493         for SAVE_NONLOCAL and Pmode for any other save level.
11494         * spu-protos.h (spu_restore_stack_block): Declare.
11495         * spu.md (save_stack_block): Remove.
11496         (restore_stack_block): Call spu_restore_stack_block.
11497         * spu.c (spu_restore_stack_block): New function.
11498         (spu_expand_epilogue): Remove old comment.
11499
11500 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
11501
11502         PR tree-optimization/30322
11503         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
11504         (cand_value_at): Return the value as aff_tree.
11505         (may_eliminate_iv): Convert the bound from aff_tree to tree.
11506         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
11507         aff_combination_mult): New functions.
11508         (aff_combination_add): Use aff_combination_add_cst.
11509         (aff_combination_convert): Allow conversions to a wider type.
11510         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
11511         * tree-affine.h (aff_combination_mult): Declare.
11512
11513 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
11514
11515         * doc/tm.texi: Update documentation to reflect reality of exec
11516         and start file search behaviours. Update copyright year.
11517         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
11518         header file directories.
11519
11520 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
11521
11522         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
11523         (*cosxf2): Rename to cosxf2_i387.
11524         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
11525         using X87MODEF12 mode macro. Rename patterns to
11526         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
11527         for SSE math.
11528         (*cosdf2, *cossf2): Ditto.
11529         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
11530         to match extended input operands.
11531         (sincos<mode>3): New expander.
11532         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
11533         insn patterns and corresponding splitters.
11534
11535 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
11536
11537         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
11538         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
11539
11540 2007-01-09  Nicolas Pitre  <nico@cam.org>
11541
11542         PR target/30173
11543         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
11544
11545 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
11546
11547         * target.h (struct gcc_target): New field library_rtti_comdat.
11548         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
11549         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
11550         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
11551         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
11552
11553 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
11554
11555         * doc/invoke.texi (Optimize Options): Correct description of -O0.
11556
11557 2007-01-08  Richard Guenther  <rguenther@suse.de>
11558
11559         * tree.h (force_fit_type_double): Export.
11560         (force_fit_type): Remove.
11561         * fold-const.c (force_fit_type_double): New function.
11562         (force_fit_type): Remove.
11563         (int_const_binop): Use it.
11564         (fold_convert_const_int_from_int): Likewise.
11565         (fold_convert_const_int_from_real): Likewise.
11566         (fold_div_compare): Likewise.
11567         (fold_sign_changed_comparison): Likewise.
11568         (fold_unary): Likewise.
11569         (fold_negate_const): Likewise.
11570         (fold_abs_const): Likewise.
11571         (fold_not_const): Likewise.
11572         * c-common.c (shorten_compare): Use force_fit_type_double.
11573         * convert.c (convert_to_pointer): Likewise.
11574
11575 2007-01-08  Richard Guenther  <rguenther@suse.de>
11576
11577         * tree.h (build_int_cst_wide_type): Export.
11578         * tree.c (build_int_cst_wide_type): New function.
11579         (build_int_cst_wide): Fix comment.
11580         * builtins.c (fold_builtin_object_size): Use build_int_cst
11581         to build -1 or 0 of the correct type.  Use fit_double_type
11582         to check for overflow.
11583         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
11584         to build the mask.
11585         (decode_field_reference): Likewise.
11586         (all_ones_mask_p): Likewise.
11587         (native_interpret_int): Use build_int_cst_wide_type.
11588         (fold_binary): Use build_int_cst_type to build an all-ones
11589         value.
11590         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
11591
11592 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
11593
11594         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
11595
11596 2007-01-09  Ben Elliston  <bje@au.ibm.com>
11597
11598         * genautomata.c (STATS_OPTION): New option.
11599         (stats_flag): New flag.
11600         (gen_automata_option): Handle it.
11601         (initiate_automaton_gen): Ditto.
11602         (write_automata): Output statistics only if stats_flag is
11603         set. Likewise, output time statistics only if time_flag is set.
11604         * doc/md.texi (Processor pipeline description): Document new flag.
11605
11606 2007-01-08  Richard Guenther  <rguenther@suse.de>
11607
11608         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
11609         * tree.c (build_int_cst_type): Likewise.
11610         (size_in_bytes): Don't call force_fit_type on the result.
11611         (int_fits_type_p): Use fit_double_type.
11612         * fold-const.c (fit_double_type): New function.
11613         (force_fit_type): Use it.
11614         * tree.h (fit_double_type): Export.
11615
11616 2007-01-08  Jan Hubicka  <jh@suse.cz>
11617
11618         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
11619         * ipa.c (function_and_variable_visibility): Fix return type.
11620
11621 2007-01-08  Richard Guenther  <rguenther@suse.de>
11622
11623         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
11624         of offset to build the index.
11625         * tree-pretty-print.c (dump_generic_node): Don't build negated
11626         const just for printing.
11627         * c-pretty-print.c (pp_c_integer_constant): Likewise.
11628         * builtins.c (fold_builtin_int_roundingfn): Check if result
11629         fits the type by using force_fit_type and comparing the result.
11630         * predict.c (predict_loops): Use compare_tree_int for comparison.
11631         * tree.c (build_int_cst): Fall back to integer_type_node for
11632         NULL_TREE type.
11633         (build_int_cst_wide): Assert type is non-null.
11634
11635 2007-01-08  Roberto Costa  <roberto.costa@st.com>
11636
11637         * tree-vrp.c (extract_range_from_cond_expr): New.
11638         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
11639         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
11640         as expressions.
11641         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
11642         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
11643         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
11644         used as expressions.
11645         * tree-object-size.c (cond_expr_object_size): New.
11646         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
11647
11648 2007-01-08  Jan Hubicka  <jh@suse.cz>
11649
11650         * tree-ssa-forwprop.c (forward_propagate_into_cond,
11651         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
11652         statement.
11653
11654 2007-01-08  Richard Guenther  <rguenther@suse.de>
11655
11656         PR tree-optimization/23603
11657         * tree-vrp.c (set_value_range_to_truthvalue): New function.
11658         (extract_range_from_binary): Fall back to truthvalue instead of
11659         varying for TRUTH_*_EXPR.
11660         (extract_range_from_comparison): Fall back to truthvalue instead of
11661         varying.
11662         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
11663         if all visited PHI values were constant.
11664
11665 2007-01-08  Jan Hubicka  <jh@suse.cz>
11666
11667         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
11668         (cgraph_analyze_function): break out from ...
11669         (cgraph_finalize_compilation_unit): ... here.
11670         (cgraph_expand_function): Remove forgoten commented out line.
11671         (cgraph_optimize): Analyze functions.
11672
11673 2007-01-08  Jan Hubicka  <jh@suse.cz>
11674
11675         * tree-pas.h (TODO_remove_function): New flag.
11676         (TODO_update*): Renumber.
11677         (pass_ipa_increase_alignment,
11678         pass_ipa_function_and_variable_visibility): New passes.
11679         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
11680         (cgraph_function_and_variable_visibility): Move to ipa.c
11681         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
11682         cgraph_increase_alignment.
11683         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
11684         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
11685         calling tree-inline.
11686         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
11687         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
11688         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
11689         (gate_increase_alignment): New function.
11690         (pass_ipa_increase_alignment): New pass.
11691         * ipa.c: Inline tree-pass.h and timevar.h
11692         (function_and_variable_visibility): Move here from cgraphunit.c
11693         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
11694         * passes.c (init_optimization_passes): Add the two new passes.
11695         (execute_todo): Handle cgraph_remove_functions.
11696
11697 2007-01-08  Nick Clifton  <nickc@redhat.com>
11698
11699         * config/frv/predicates.md (reg_or_0_operand): Accept
11700         CONST_DOUBLEs.
11701
11702 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
11703
11704         * config/bfin/rtems.h, config/bfin/t-rtems: New.
11705         * config.gcc: Add bfin*-rtems*.
11706
11707 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
11708
11709         * c.opt: Add -flax-vector-conversions.
11710         * c-typeck.c (convert_for_assignment): Pass flag to
11711         vector_types_convertible_p to allow emission of note.
11712         (digest_init): Likewise.
11713         * c-opts.c: Handle -flax-vector-conversions.
11714         * c-common.c (flag_lax_vector_conversions): New.
11715         (vector_types_convertible_p): Unless -flax-vector conversions
11716         has been passed, disallow conversions between vectors with
11717         differing numbers of subparts and/or element types.  If such
11718         a conversion is disallowed, possibly emit a note on the first
11719         occasion only to inform the user of -flax-vector-conversions.
11720         The new last argument specifies this.
11721         * c-common.h (flag_lax_vector_conversions): New.
11722         (vector_types_convertible_p): Add extra argument.
11723         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
11724         char_type_node for V*QI type vectors.
11725         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
11726         Update to satisfy new typechecking rules.
11727         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
11728         C and C++ variants.
11729         * doc/invoke.texi (C Dialect Options): Document
11730         -flax-vector-conversions.
11731
11732 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
11733
11734         PR tree-optimization/29877
11735         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
11736         a register variable on the RHS to not be replaceable.
11737
11738 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
11739         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
11740         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
11741         const_simm15, const_pow2, const_npow2): Added.
11742         * config/score/misc.md (insv, extv, extzv, movmemsi,
11743         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
11744         * config/score/score.c (score_address_cost, score_select_cc_mode):
11745         Added.
11746         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
11747         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
11748         Update score_print_operand.
11749         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
11750         Adjust register allocate order and update some macro define.
11751         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
11752         mdx_block_move_straight, mdx_block_move_loop_head,
11753         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
11754         mdx_block_move): Added.
11755         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
11756         mdp_limm): Updated and fix some bug and typo.
11757         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
11758         (movsf, movdf, doloop_end): Added.
11759
11760 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
11761
11762         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
11763         config/arm/thumb2.md: Fix comment typos.
11764         * doc/extend.texi: Fix a typo.
11765
11766 2007-01-07  Eric Christopher  <echristo@apple.com>
11767
11768         * configure.ac: Check for __stack_chk_fail for darwin.
11769         * configure: Regenerate.
11770
11771 2007-01-07  Richard Guenther  <rguenther@suse.de>
11772
11773         * tree-vrp.c (extract_range_from_assert): CSE calls to
11774         compare_values where possible.
11775         (extract_range_from_unary_expr): Likewise.
11776
11777 2007-01-07  Anatoly Sokolov <aesok@post.ru>
11778
11779         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
11780         * config/avr/avr.c (call_insn_operand): Delete function.
11781         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
11782         instead of register number. Use predicates.
11783         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
11784         call_insn_operand): Add.
11785
11786 2007-01-06  Jan Hubicka  <jh@suse.cz>
11787
11788         * tree-pass.h (pass_build_cgraph_edges): Declare.
11789         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
11790         (visited_nodes): Remove.
11791         (cgraph_create_edges): Move to cgraphbuild.c; rename to
11792         build_cgrpah_edges; make visited_nodes local.
11793         (cgraph_process_new_functions): DO not call initialize_inline_failed.
11794         (record_references_in_initializer): Move to cgraphbuild.c
11795         (initialize_inline_failed, rebuild_cgraph_edges,
11796         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
11797         (verify_cgraph_node): Make visited_nodes local.
11798         (cgraph_analyze_function): Do not call cgraph_create_edges and
11799         initialize_inline_failed.
11800         (cgraph_expand_function): Do not call cgraph_lower_function;
11801         assert that function is already lowered.
11802         * Makefile.in (cgraphbuild.o): New.
11803         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
11804         at the end of lowering passes.
11805
11806 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
11807
11808         * ifcvt.c (cond_move_convert_if_block): New function, code
11809         factored out from...
11810         (cond_move_process_if_block): ...here.  Call the new function
11811         on the THEN and ELSE blocks.
11812         (merge_if_block): Do not copy global_live_at_end, merge_blocks
11813         already takes care of this.
11814
11815 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11816
11817         PR c/19978
11818         * tree.h (TREE_OVERFLOW_P): New.
11819         * c-typeck.c (parser_build_unary_op): Warn only if result
11820         overflowed and operands did not.
11821         (parser_build_binary_op): Likewise.
11822         (convert_for_assignment): Remove redundant overflow_warning.
11823         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
11824
11825 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11826
11827         * c-typeck.c (store_init_value): Split over two lines to follow
11828         the GNU coding style.
11829
11830 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
11831
11832         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
11833         __GXX_EXPERIMENTAL_CXX0X__.
11834         * doc/cpp.texi: Same.
11835
11836 2007-01-05  Richard Guenther  <rguenther@suse.de>
11837
11838         PR middle-end/27826
11839         * tree.c (get_narrower): Do not construct COMPONENT_REFs
11840         with mismatched types.  Instead explicitly build a
11841         conversion NOP_EXPR.
11842
11843 2007-01-05  Ian Lance Taylor  <iant@google.com>
11844
11845         * c-common.c (decl_with_nonnull_addr_p): New function.
11846         (c_common_truthvalue_conversion): Call it.
11847         * c-typeck.c (build_binary_op): Likewise.
11848         * c-common.h (decl_with_nonnull_addr_p): Declare.
11849
11850 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
11851
11852         PR c/30360
11853         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
11854         denom against 0.0.
11855
11856 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
11857
11858         * doc/install.texi (Final install): Document the fact that
11859         the GNAT runtime should not be stripped.
11860
11861 2007-01-04  Jan Hubicka  <jh@suse.cz>
11862
11863         * tree-inline.c (fold_marked_statements): Update operand caches
11864         and EH after folding
11865
11866 2007-01-04  Ian Lance Taylor  <iant@google.com>
11867
11868         * c-common.c (check_function_nonnull): Whitespace fix.
11869
11870 2007-01-04  Jan Hubicka  <jh@suse.cz>
11871
11872         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
11873         comitted older version of patch.
11874         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
11875         function, celanup cfg and collect garbage.
11876
11877 2007-01-04  Mike Stump  <mrs@apple.com>
11878
11879         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
11880         (clean): Likewise.
11881
11882 2007-01-04  Eric Christopher  <echristo@apple.com>
11883
11884         * libgcc2.c (__bswapsi2): Use SItype.
11885         (__bswapdi2): Use DItype.
11886         * libgcc2.h: Update for above.
11887
11888 2007-01-04  Paul Brook  <paul@codesourcery.com>
11889
11890         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
11891         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
11892         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
11893         umulsidi3, umulsidi3adddi, smulsi3_highpart,
11894         umulsi3_highpart): Make conditional on !arm_arch6.
11895         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
11896         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
11897         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
11898         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
11899         umulsi3_highpart_v6): New insns.
11900
11901 2007-01-04  Roger Sayle  <roger@eyesopen.com>
11902
11903         * fold-const.c (fold_convert): When casting an expression to void,
11904         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
11905         have a type.  Instead of attempting to build a NOP_EXPR, return
11906         these "special" trees directly.
11907
11908 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
11909
11910         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
11911         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
11912         rs6000_cost->fp not 0 as adjustment for outer NEG.
11913
11914 2007-01-04  Jan Hubicka  <jh@suse.cz>
11915
11916         * cgraph.c (cgraph_release_function_body): New function.
11917         (cgraph_remove_node): Use it.
11918         * cgraph.h (cgraph_release_function_body): Declare.
11919         * cgraphunit.c (cgraph_expand_function): Use it.
11920         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
11921         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
11922         is initialized and while compilation of other function is running.
11923         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
11924         statement CFG annotations from here to ...
11925         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
11926
11927 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
11928
11929         * cfgloop.h (enum li_flags): Make the constants powers of two.
11930
11931 2007-01-04  Jan Hubicka  <jh@suse.cz>
11932
11933         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
11934         set.
11935         (fold_marked_statements): New function.
11936         (optimize_inline_calls, tree_function_versioning): Fold new statements.
11937         * tree-inline.h (copy_body_data): Add statements_to_fold.
11938
11939 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
11940
11941         * config.gcc: Mention libgcc/config.host.
11942         * Makefile.in: Update comments mentioning libgcc.
11943         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
11944         (all.cross, start.encap, rest.encap, rest.cross): Update
11945         dependencies for libgcc move.
11946         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
11947         (clean-target, clean-target-libgcc): Delete.
11948         (srcdirify, GCC_EXTRA_PARTS): New macros.
11949         (libgcc-support, libgcc.mvars): New rules.
11950         (distclean): Remove mention of mklibgcc.
11951         (install): Don't reference INSTALL_LIBGCC.
11952         (install-common): Don't reference EXTRA_PARTS.
11953         (install-libgcc, install-multilib): Delete rules.
11954         * mklibgcc.in: Delete file.
11955         * doc/configfiles.texi: Don't mention mklibgcc.
11956
11957         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
11958         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
11959         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
11960         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
11961         (mklibgcc, ldblspecs): Likewise.
11962
11963         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
11964         (posixpre.def): Use $(T).
11965         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
11966         (SHLIB_SRC, SHLIB_INSTALL): Delete.
11967         (SHLIB_LINK): Make dummy.
11968         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
11969
11970         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
11971
11972         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
11973         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
11974         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
11975         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
11976
11977         * configure.ac (all_outputs): Remove mklibgcc.
11978         * configure: Regenerated.
11979
11980 2007-01-03  Josh Conner  <jconner@apple.com>
11981
11982         PR middle-end/29683
11983         * calls.c (compute_argument_addresses): Set stack and stack_slot
11984         for partial args, too.
11985         (store_one_arg): Use locate.size.constant for the size when
11986         generating a save_area.
11987
11988 2007-01-03  Robert Kennedy <jimbob@google.com>
11989
11990         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
11991         whose definitions are deleted due to basic block merging.
11992
11993 2007-01-03  Paul Brook  <paul@codesourcery.com>
11994
11995         PR target/16634
11996         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
11997         functions.
11998         (use_return_insn): Return 0 for Thumb interrupt functions.
11999         (print_multi_reg): Add rfe argument for IRQ returns.
12000         (arm_output_epilogue): Pop interrupt return address directly into PC.
12001         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
12002
12003 2007-01-03  Paul Brook  <paul@codesourcery.com>
12004
12005         Merge from sourcerygxx-4_1.
12006         * config/arm/thumb2.md: New file.
12007         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
12008         Thumb-2.
12009         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
12010         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
12011         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
12012         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
12013         tables.
12014         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
12015         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
12016         comptibility.
12017         * config/arm/ieee754-sf.S: Ditto.
12018         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
12019         (thumb1_base_register_rtx_p): ... to this.
12020         (thumb_index_register_rtx_p): Rename...
12021         (thumb1_index_register_rtx_p): ... to this.
12022         (thumb_output_function_prologue): Rename...
12023         (thumb1_output_function_prologue): ... to this.
12024         (thumb_legitimate_address_p): Rename...
12025         (thumb1_legitimate_address_p): ... to this.
12026         (thumb_rtx_costs): Rename...
12027         (thumb1_rtx_costs): ... to this.
12028         (thumb_compute_save_reg_mask): Rename...
12029         (thumb1_compute_save_reg_mask): ... to this.
12030         (thumb_final_prescan_insn): Rename...
12031         (thumb1_final_prescan_insn): ... to this.
12032         (thumb_expand_epilogue): Rename...
12033         (thumb1_expand_epilogue): ... to this.
12034         (arm_unwind_emit_stm): Rename...
12035         (arm_unwind_emit_sequence): ... to this.
12036         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
12037         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
12038         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
12039         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
12040         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
12041         thumb2_output_casesi): New functions.
12042         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
12043         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
12044         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
12045         THUMB2_WORK_REGS): Define.
12046         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
12047         arm_condexec_mask, arm_condexec_masklen)): New variables.
12048         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
12049         (arm_override_options): Check new CPU capabilities.
12050         Set new architecture flag variables.
12051         (arm_isr_value): Handle v7m interrupt functions.
12052         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
12053         Thumb-2.
12054         (const_ok_for_arm): Handle Thumb-2 constants.
12055         (arm_gen_constant): Ditto.  Use movw when available.
12056         (arm_function_ok_for_sibcall): Return false for v7m interrupt
12057         functions.
12058         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
12059         (thumb_find_work_register, arm_load_pic_register,
12060         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
12061         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
12062         print_multi_reg, output_mov_long_double_fpa_from_arm,
12063         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
12064         output_mov_double_fpa_from_arm, output_move_double,
12065         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
12066         output_return_instruction, arm_output_function_prologue,
12067         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
12068         arm_output_mi_thunk, thumb_set_return_address): Ditto.
12069         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
12070         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
12071         (arithmetic_instr, shift_op): Use arm_shift_nmem.
12072         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
12073         '!' and 'L'.
12074         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
12075         (thumb_expand_prologue): Use thumb_set_frame_pointer.
12076         (arm_file_start): Output directive for unified syntax.
12077         (arm_unwind_emit_set): Handle stack alignment instruction.
12078         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
12079         Add v6t2, v7, v7a, v7r and v7m.
12080         (RETLDM): Add Thumb-2 code.
12081         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
12082         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
12083         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
12084         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
12085         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
12086         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
12087         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
12088         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
12089         ADJUST_INSN_LENGTH): Define.
12090         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
12091         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
12092         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
12093         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
12094         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
12095         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
12096         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
12097         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
12098         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
12099         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
12100         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
12101         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
12102         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
12103         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
12104         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
12105         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
12106         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
12107         cortex-m3.
12108         * config/arm/arm-tune.md: Regenerate.
12109         * config/arm/arm-protos.h: Update prototypes.
12110         * config/arm/vfp.md: Enable patterns for Thumb-2.
12111         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
12112         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
12113         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
12114         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
12115         * config/arm/libunwind.S: Add Thumb-2 code.
12116         * config/arm/constraints.md: Update include Thumb-2.
12117         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
12118         * config/arm/ieee754-df.S: Ditto.
12119         * config/arm/bpabi.S: Ditto.
12120         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
12121         * config/arm/predicates.md (low_register_operand,
12122         low_reg_or_int_operand, thumb_16bit_operator): New.
12123         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
12124         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
12125         * config/arm/t-arm-elf: Add armv7 multilib.
12126         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
12127         Include thumb2.md.
12128         (UNSPEC_STACK_ALIGN, ce_count): New.
12129         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
12130         arm_zero_extendsidi2, arm_zero_extendqidi2): New
12131         insns/expanders.
12132         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
12133         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
12134         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
12135         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
12136         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
12137         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
12138         insns.
12139         * doc/extend.texi: Document ARMv7-M interrupt functions.
12140         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
12141
12142 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
12143
12144         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
12145         (struct _Unwind_Context): Rename args_size to flags, remove
12146         signal_frame field, add a new args_size field and version field.
12147         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
12148         _Unwind_IsExtendedContext): New inline functions.
12149         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
12150         Assume by_value array is only present if _Unwind_IsExtendedContext.
12151         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
12152         _Unwind_IsSignalFrame.
12153         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
12154         (uw_update_context_1): Use _Unwind_SetSignalFrame.
12155         (uw_init_context_1): Initialize context->flags to
12156         EXTENDED_CONTEXT_BIT.
12157         * config/rs6000/linux-unwind.h (frob_update_context): Use
12158         _Unwind_SetSignalFrame.
12159
12160 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12161
12162         PR middle-end/30353
12163         * gimplify.c (gimplify_modify_expr_complex_part): Move below
12164         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
12165         the value.
12166
12167 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
12168
12169         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
12170         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
12171         RET, AT_SP): Remove.
12172         * config/i386/i386.md (*sse_prologue_save_insn): Use return
12173         instead of RET.
12174
12175         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12176         * cfgbuild.c (find_basic_blocks): Likewise.
12177         * cfgrtl.c (rtl_create_basic_block): Likewise.
12178         * function.c (temp_slots_at_level): Likewise.
12179         * reg-stack.c (stack_regs_mentioned): Likewise.
12180         * regclass.c (allocate_reg_info): Likewise.
12181         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12182         set_bb_for_stmt, move_block_to_fn): Likewise.
12183         * tree-complex.c (tree_lower_complex): Likewise.
12184         * vec.h (VEC_safe_grow_cleared): New.
12185
12186         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
12187
12188 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
12189
12190         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
12191         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
12192         to loop_version.
12193         * cfgloopmanip.c (scale_loop_frequencies): Export.
12194         (loopify): Scale the frequencies by prescribed coefficients.
12195         (set_zero_probability): New function.
12196         (duplicate_loop_to_header_edge): Improve updating of frequencies.
12197         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
12198         and frequencies according to arguments.
12199         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
12200         correctly.
12201         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
12202         * modulo-sched.c (sms_schedule): Set probabilities for entering
12203         versioned loop correctly.
12204         * tree-vect-transform.c (vect_transform_loop): Ditto.
12205         * cfgloop.h (loopify, loop_version): Declaration changed.
12206         (scale_loop_frequencies): Declared.
12207
12208 2007-01-02  Jan Hubicka  <jh@suse.cz>
12209
12210         * cgraph.c: Include tree-flow.h
12211         (cgraph_add_new-function): Handle IPA_SSA mode; execute
12212         early_local_passes.
12213         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
12214         * tree-pass.h (pass_all_early_optimizations): Declare.
12215         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
12216         early_local_passes.
12217         (cgraph_analyze_function): Do early_local_passes.
12218         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
12219         Do not add referenced vars.
12220         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
12221         SSA form.
12222         (gate_all_early_local_passes): New gate.
12223         (pass_early_local_passes): Use new gate.
12224         (execute_early_local_optimizations): New functions.
12225         (gate_all_early_optimizations): New gate.
12226         (pass_all_early_optimizations): New pass.
12227         (execute_free_datastructures): Free SSA only when initialized.
12228         (gate_init_datastructures): Init only when optimizing.
12229         (tree_lowering_passes): Do early local passes when called late.
12230         * tree-profile.c (do_tree_profiling): Don't profile functions added
12231         late.
12232         (do_early_tree_profiling, pass_early_tree_profile): Kill.
12233         * tree-cfg.c (update_modified_stmts): Do not update when operands are
12234         not active.
12235         * passes.c (init_optimizations_passes): Reorder so we go into SSA
12236         during early_local_passes.
12237         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
12238
12239
12240 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
12241
12242         * Makefile.in: Update copyright year.
12243
12244 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
12245
12246         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
12247         in $(lang_checks) and check-consistency targets.
12248
12249 2007-01-02  Jan Hubicka  <jh@suse.cz>
12250
12251         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
12252         Do not add referenced vars.
12253         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
12254         are not active.
12255         * passes.c (init_optimization_passes): Put mudflap_2 after
12256         free_datastructures.
12257
12258 2007-01-02  Jan Hubicka  <jh@suse.cz>
12259
12260         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
12261         Set NOTHROW flag on call statements proved to be nothrow.
12262         Update statement of local calls so new pure/const functions are
12263         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
12264         goto receivers.
12265         (tree_rest_of_compilation): Register hooks and initialize bitmap
12266         early. Do not set after_inlining flag.
12267
12268 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
12269
12270         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
12271         HOST_BITS_PER_LONGLONG
12272
12273 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
12274
12275         PR c/19977
12276         * c-typeck.c (store_init_value): Don't emit pedantic overflow
12277         warning for non-static initializers.
12278
12279 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
12280
12281         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
12282         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
12283         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
12284         Always use set_unique_reg_note to add REG_EQUAL notes.
12285
12286 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
12287
12288         Revert:
12289         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
12290
12291         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12292         * cfgbuild.c (find_basic_blocks): Likewise.
12293         * cfgrtl.c (rtl_create_basic_block): Likewise.
12294         * function.c (temp_slots_at_level): Likewise.
12295         * reg-stack.c (stack_regs_mentioned): Likewise.
12296         * regclass.c (allocate_reg_info): Likewise.
12297         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12298         set_bb_for_stmt, move_block_to_fn): Likewise.
12299         * tree-complex.c (tree_lower_complex): Likewise.
12300         * vec.h (VEC_safe_grow_cleared): New.
12301
12302 2007-01-02  Ian Lance Taylor  <iant@google.com>
12303
12304         * c-common.c (c_common_truthvalue_conversion): When warning about
12305         using an assignment as a truth value, set TREE_NO_WARNING.
12306
12307 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12308
12309         PR middle-end/7651
12310         * c.opt (Wold-style-declaration): New.
12311         * doc/invoke.texi (C-only Warning Options): New.
12312         (Wold-style-declaration): Document it.
12313         (Wextra): Enabled by -Wextra.
12314         * c-opts.c (c_common_post_options): Enabled by -Wextra.
12315         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
12316         -Wold-style-declaration.
12317
12318 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
12319
12320         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12321         * cfgbuild.c (find_basic_blocks): Likewise.
12322         * cfgrtl.c (rtl_create_basic_block): Likewise.
12323         * function.c (temp_slots_at_level): Likewise.
12324         * reg-stack.c (stack_regs_mentioned): Likewise.
12325         * regclass.c (allocate_reg_info): Likewise.
12326         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12327         set_bb_for_stmt, move_block_to_fn): Likewise.
12328         * tree-complex.c (tree_lower_complex): Likewise.
12329         * vec.h (VEC_safe_grow_cleared): New.
12330
12331 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
12332
12333         * c-common.c (c_common_nodes_and_builtins): Since variants of
12334         void_type_node get built before it is given a name, we need to
12335         give those variants the name, too.
12336         (complete_array_type): We need to work with the canonical main
12337         type of the array, from which we will build the qualified version.
12338         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
12339         * print-tree.c (print_node): Display canonical type information
12340         for each type.
12341         * stor-layout.c (layout_type): When we don't know the
12342         alignment of a type for which we're building an array, we end up
12343         guessing wrong, so make the type require structural equality.
12344         * tree.c (make_node_stat): When we build a new type, it is its
12345         own canonical type.
12346         (build_type_attribute_qual_variant): When building an attribute
12347         variant, its canonical type is the non-attribute variant. However,
12348         if the attributes are target-dependent and they differ, we need to
12349         use structural equality checks for this type.
12350         (build_qualified_type): A qualified type is not equivalent to its
12351         unqualified variant; set the canonical type appropriately.
12352         (build_distinct_type_copy): When building a distinct type from
12353         another type, the new type is its own canonical type.
12354         (build_variant_type_copy): When building a new type variant, we
12355         assume that it is equivalent to the original type.
12356         (build_pointer_type_for_mode): When building a pointer type, also
12357         build a canonical type pointer.
12358         (build_reference_type_for_mode): When building a reference type,
12359         also build a canonical type reference.
12360         (build_index_type): When we can't hash an index type (e.g.,
12361         because its maximum value is negative), the index type requires
12362         structural equality tests.
12363         (build_array_type): Build the canonical form of an array type.
12364         (build_function_type): Function types require structural equality,
12365         because they contain default arguments, attributes, etc.
12366         (build_method_type_directly): Ditto for method types.
12367         (build_offset_type): Build the canonical offset type.
12368         (build_complex_type): Build the canonical vector type.
12369         (make_vector_type): Build the canonical vector type.
12370         * tree.h (TYPE_CANONICAL): New.
12371         (TYPE_STRUCTURAL_EQUALITY_P): New.
12372         (SET_TYPE_STRUCTURAL_EQUALITY): New.
12373         (struct tree_type): Added "canonical" field.
12374         * params.h (VERIFY_CANONICAL_TYPES): New.
12375         * doc/c-tree.texi (TYPE_CANONICAL): Document.
12376         (TYPE_STRUCTURAL_EQUALITY_P): Document.
12377         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
12378         * doc/invoke.texi (verify-canonical-types): Document --param
12379         parameter for verifying canonical types.
12380
12381 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12382
12383         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
12384         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
12385         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
12386         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
12387         tm_file.
12388         * config/rs6000/e500.h: New.
12389         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
12390         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
12391         Remove.
12392         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
12393         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
12394         TARGET_E500_DOUBLE): Remove.
12395         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
12396         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
12397         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
12398         * config/rs6000/rs6000.c (rs6000_override_options): Use
12399         CHECK_E500_OPTIONS.
12400
12401 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12402
12403         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
12404         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
12405         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
12406         rs6000_emit_cmove): Don't check TARGET_E500.
12407         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
12408         sordered): Don't check TARGET_E500.
12409
12410 2007-01-01  Eric Christopher  <echristo@apple.com>
12411
12412         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
12413         HARD_REGISTER_NUM_P.
12414
12415 2007-01-01  Roger Sayle  <roger@eyesopen.com>
12416
12417         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
12418         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
12419         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
12420         eq/ne Y".
12421
12422 2007-01-01  Mike Stump  <mrs@apple.com>
12423
12424         * configure.ac: Remove support for building with Apple's gcc-3.1.
12425
12426 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12427
12428         PR middle-end/30311
12429         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
12430         REG is a hard register.  Do not modify REG before calling
12431         subreg_nregs.
12432         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
12433         multiple of the size of YMODE for certain lowpart cases.
12434
12435 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12436
12437         PR middle-end/30253
12438         * gimplify (voidify_wrapper_expr): Update for
12439         GIMPLE_MODIFY_STMT.
12440
12441 2007-01-01  Andreas Schwab  <schwab@suse.de>
12442
12443         PR target/29166
12444         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
12445         save of BR0 in extra_spill_size instead of spill_size.
12446         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
12447         area.
12448         (ia64_expand_epilogue): Restore BR0 from its new location.
12449
12450 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12451
12452         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
12453         Use a temporary variable if the left hand side is not a gimple
12454         register.
12455
12456 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12457
12458         * gimplify.c (gimplify_return_expr): Make the temporary variable
12459         for the return expression, a gimple register variable.
12460
12461 2007-01-01  Jan Hubicka  <jh@suse.cz>
12462
12463         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
12464         INSN_LIST.
12465
12466 2007-01-01  Mike Stump  <mrs@apple.com>
12467
12468         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
12469         .literal16.
12470         * config/darwin.c (machopic_select_rtx_section): Use
12471         HAVE_GAS_LITERAL16.
12472         (darwin_mergeable_constant_section): Likewise.
12473         * configure: Regenerate.
12474         * config.in: Regenerate.
12475
12476 2007-01-01  Jan Hubicka  <jh@suse.cz>
12477             Andrew Pinski  <pinskia@gmail.com>
12478
12479         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
12480         before starting IPA passes.