gcc/ChangeLog

   1 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
   2
   3         * config/rs6000/darwin-ldouble.c (__gcc_qunord): Define if
   4         __NO_FPRS__, not just if _SOFT_DOUBLE.
   5         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qunord): Likewise.
   6         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use __gcc_qunord
   7         also for E500 double.
   8         * config/rs6000/rs6000.md (buneq, bunge, bungt, bunle, bunlt,
   9         suneq, sunge, sungt, sunle, sunlt): Disable for (TARGET_HARD_FLOAT
  10         && !TARGET_FPRS).
  11
  12 2007-05-01  Richard Guenther  <rguenther@suse.de>
  13
  14         * tree-ssa-loop-manip.c (ip_normal_pos): Check if last stmt
  15         is NULL.
  16
  17 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
  18
  19         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qgt): Fix typo.
  20
  21 2007-05-01  Jan Hubicka  <jh@suse.cz>
  22
  23         * tree-vectorize.c (vect_is_simple_use): gimple_min_invariant is
  24         invariant.
  25
  26 2007-05-01  Jan Hubicka  <jh@suse.cz>
  27
  28         * tree.h (maybe_fold_offset_to_component_ref): Remove.
  29         (maybe_fold_offset_to_reference): Declare.
  30         * fold-const.c (fold_unary): Do not fold
  31         (type *)&A into &A->field_of_type_and_offset_0
  32         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): When base type
  33         size is unknown, give up.
  34         (maybe_fold_offset_to_component_ref): Ignore firelds with unknown
  35         offsets.
  36         (maybe_fold_offset_to_reference): New.
  37         (maybe_fold_stmt_indirect): Use it.
  38         (fold_stmt_r): Fold (type *)&A+offset into A->field_if_type_and_offset.
  39         * gimplify.c (gimplify_conversion): Canonicalize conversions to
  40         field references.
  41         (gimplify_expr): Likewise for plus_expr.
  42
  43 2007-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
  44
  45         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Use
  46         bsi_after_labels.  Always insert statements before bsi.
  47         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
  48         * predict.c (apply_return_prediction): Check for empty blocks.
  49         * cfgexpand.c (lab_rtx_for_bb): New variable.
  50         (label_rtx_for_bb): Do not create new tree labels.
  51         (expand_gimple_basic_block): Add labels recorded in lab_rtx_for_bb.
  52         (tree_expand_cfg): Initialize lab_rtx_for_bb.
  53         * tree-cfg.c (build_tree_cfg): Call cleanup_dead_labels after
  54         creating edges.
  55         (label_for_bb): Add field used.
  56         (update_eh_label, main_block_label): Mark the label used.
  57         (cleanup_dead_labels): Remove unused labels.
  58
  59 2007-05-01  Richard Guenther  <rguenther@suse.de>
  60
  61         * tree-vrp.c (set_value_range): Do not allocate equiv bitmap
  62         if it is not about to be set.
  63         (get_value_range): Do not pre-allocate equiv bitmap.
  64         (update_value_range): No need to clear equiv field.
  65         (add_equivalence): Change prototype to get bitmap pointer.
  66         Allocate bitmap here if it is not already.
  67         (extract_range_from_assert): Do not allocate bitmap here.
  68         Update callers to add_equivalence.
  69         (extract_range_from_ssa_name): Likewise.
  70         (get_vr_for_comparison): New static helper.
  71         (compare_name_with_value): Handle NULL equiv bitmap by
  72         peeling the first iteration of the comparison loop.
  73         Use get_vr_for_comparison.
  74         (compare_names): Handle NULL equiv bitmaps by using fake
  75         ones.  Use get_vr_for_comparison.
  76
  77 2007-04-30  Brooks Moses  <brooks.moses@codesourcery.com>
  78
  79         * double-int.c (mpz_set_double_int): Moved from
  80         tree-ssa-loop-niter.c.
  81         (mpz_get_double_int): Likewise; also, add option to wrap
  82         out-of-range integers.
  83         * double-int.h: New prototypes for above.
  84         * tree.c (get_static_type_bounds): Moved from
  85         tree-ssa-loop-niter.c; now returns TYPE_MIN_VALUE and
  86         TYPE_MAX_VALUE if they exist..
  87         * tree.h: New prototype for above.
  88         * tree-ssa-loop-niter.c: Adjust mpz_to_double_int and
  89         get_type_bounds calls.
  90         (mpz_set_double_int): Move to double-int.c.
  91         (get_type_bounds): Move to tree.c, rename to
  92         get_static_type_bounds.
  93         (mpz_to_double_int): Move to double-int.c, rename to
  94         mpz_get_double_int.
  95
  96 2007-04-30  Bob Wilson  <bob.wilson@acm.org>
  97
  98         * config/xtensa/lib1funcs.asm (__umodsi3, __modsi3): Rearrange so that
  99         DIV0 exception can fall through to a normal return.
 100
 101 2007-04-30  Alexandre Oliva  <aoliva@redhat.com>
 102
 103         PR middle-end/22156
 104         Temporarily revert:
 105         2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
 106         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
 107         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
 108         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
 109         initialize align to silence bogus warning.
 110         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
 111         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
 112         all_no_warning.
 113         (struct sra_walk_fns): Remove use_all parameter from use.
 114         (sra_hash_tree): Handle BIT_FIELD_REFs.
 115         (sra_elt_hash): Don't hash bitfld blocks.
 116         (sra_elt_eq): Skip them in parent compares as well.  Handle
 117         BIT_FIELD_REFs.
 118         (sra_walk_expr): Don't maintain or pass down use_all_p.
 119         (scan_use): Remove use_all parameter.
 120         (scalarize_use): Likewise.  Re-expand assignment to
 121         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
 122         output, and re-scalarize after output.  Don't mark anything
 123         for no warning.
 124         (scalarize_ldst): Adjust.
 125         (scalarize_walk_gimple_modify_statement): Likewise.
 126         (build_element_name_1): Handle BIT_FIELD_REFs.
 127         (instantiate_element): Don't warn for any element whose parent
 128         is used as a whole.
 129         (instantiate_missing_elements_1): Return the sra_elt.
 130         (canon_type_for_field): New.
 131         (try_instantiate_multiple_fields): New.
 132         (instantiate_missing_elemnts): Use them.
 133         (mark_no_warning): Removed.
 134         (generate_one_element_ref): Handle BIT_FIELD_REFs.
 135         (REPLDUP, sra_build_elt_assignment): New.
 136         (generate_copy_inout): Use them.
 137         (generate_element_copy): Likewise.  Handle bitfld differences.
 138         (generate_element_zero): Don't recurse for blocks.  Use
 139         sra_build_elt_assignment.
 140         (generate_one_element_int): Take elt instead of var.  Use
 141         sra_build_elt_assignment.
 142         (generate_element_init_1): Adjust.
 143         (scalarize_use, scalarize_copy): Use REPLDUP.
 144         (scalarize_ldst): Move assert before dereference.
 145         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
 146
 147 2007-04-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 148
 149         PR C++/31721
 150         * tree.c (reconstruct_complex_type): Reconstruct a reference
 151         correctly.
 152         Also use the same mode for the pointer as the old pointer type.
 153
 154 2007-04-30  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
 155
 156         * doc/trouble.texi (Interoperation): Remove note about Ultrix
 157         Fortran compiler.
 158
 159 2007-04-29  Zdenek Dvorak  <dvorakz@suse.cz>
 160
 161         PR rtl-optimization/31676
 162         * df-scan.c (record_nonlocal_goto_receiver_defs): New function.
 163         (df_refs_record): Call it.
 164
 165 2007-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
 166
 167         * rtl.def (SS_ABS): New code.
 168         * config/bfin/bfin.c (print_operand): New modifier 'v'.
 169         (enum bfin_builtins): Add BFIN_BUILTIN_SUM_2X16, BFIN_BUILTIN_ABS_1x32,
 170         BFIN_BUILTIN_ROUND_1x32, BFIN_BUILTIN_MULT_1x32x32,
 171         BFIN_BUILTIN_MULT_1x32x32NS, BFIN_BUILTIN_SSASHIFT_1x32.
 172         (bfin_init_builtins): Define them.
 173         (bdesc_1arg, bdesc_2arg): Add some of them here, ...
 174         (bfin_expand_builtin): ... and handle the others here.
 175         * config/bfin/bfin.md (ssabssi2, ssroundsi2, ssashiftsi3,
 176         flag_mul_macv2hi_parts_acconly_andcc0): New patterns.
 177         (ss_absv2hi2): Renamed from absv2hi; use ss_abs code.
 178         (ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3): Shift count
 179         operand is only HImode.
 180
 181 2007-04-29  Steven Bosscher  <steven@gcc.gnu.org>
 182
 183         * regclass.c (scan_one_insn): Remove splitting of
 184         two address insns.
 185
 186 2007-04-28  Sandra Loosemore  <sandra@codesourcery.com>
 187             Nigel Stephens  <nigel@mips.com>
 188
 189         * config/mips/mips.h (SLOW_BYTE_ACCESS): Turn off for MIPS16.
 190
 191 2007-04-28  Jan Hubicka  <jh@suse.cz>
 192
 193         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
 194         insn_locators_alloc instead of insn_locators_initialize;
 195         call reset_block_changes.
 196         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
 197         * config/sh/sh.c (sparc_output_mi_thunk): Likewise.
 198         * config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
 199         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
 200         * config/score/score.c (th_output_mi_thunk): Likewise.
 201         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
 202         * cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
 203         tolerate uninitialized locator info.
 204
 205         Re-apply:
 206         * function.c (init_function_start): Don't init line number info.
 207         (expand_function_end): Update.
 208         (reset_block_changes, record_block_change, finalize_block_changes,
 209         check_block_change, free_block_changes): Kill.
 210         * function.h (reset_block_changes, record_block_change,
 211         finalize_block_changes, check_block_change, free_block_changes): Remove
 212         prototypes.
 213         (struct function): Remove ib_boundaries_block.
 214         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
 215         Use curr_insn_locator to initialize locator.
 216         (emit_line_note): Remove.
 217         * cfgexpand.c (expand_gimple_cond_expr): Update.
 218         (construct_exit_block): Likewise.
 219         (tree_expand_cfg): Initialize/finalize locators.
 220         * expr.c (expand_expr_real): Update.
 221         * cfglayout.c (line_locators_locs, line_locators_lines,
 222         file_locators_locs, file_locators_files): Remove.
 223         (set_block_levels): Move to cfgexpand.c.
 224         (insn_locators_initialize): Remove.
 225         (pass_insn_locators_initialize): Remove.
 226         (locations_locators_locs, locations_locators_vals): New static vars.
 227         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
 228         Likewise.
 229         (insn_locators_alloc, insn_locators_finalize,
 230         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
 231         New functions.
 232         (locator_location): New.
 233         (locator_line, locator_file): Rewrite.
 234         * rtl.h (emit_line_note): Kill.
 235         (insn_locators_alloc, insn_locators_finalize,
 236         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
 237         Declare.
 238         * tree-inline.c (initialize_cfun): Do not initialize
 239         ib_boundaries_block.
 240         * passes.c (pass_insn_locators_initialize): Remove.
 241
 242 2007-04-28  Zdenek Dvorak  <dvorakz@suse.cz>
 243
 244         * tree-cfg.c (move_block_to_fn): Release bb from dominance
 245         info.  Update last_basic_block correctly.
 246
 247 2007-04-27  Kaz Kojima  <kkojima@gcc.gnu.org>
 248
 249         PR target/31701
 250         * config/sh/sh.c (output_stack_adjust): Avoid using the frame
 251         register itself to hold the offset constant.  Tell flow the use
 252         of r4 and r5 when they are used.
 253
 254 2007-04-27  Richard Guenther  <rguenther@suse.de>
 255
 256         * tree-ssa-forwprop.c (forward_propagate_into_cond): Keep track
 257         if we simplified anything.
 258         (tree_ssa_forward_propagate_single_use_vars): Defer overflow
 259         warnings until we did a simplification and the stmt was not
 260         marked as TREE_NO_WARNING.
 261
 262 2007-04-27  Mike Stump  <mrs@apple.com>
 263
 264         * config/rs6000/darwin.h (ALWAYS_PUSH_CONSTS_USING_REGS_P): Remove.
 265
 266 2007-04-27  Ian Lance Taylor  <iant@google.com>
 267
 268         PR middle-end/31710
 269         * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
 270         TYPE_MAX_VALUE exist, convert them to the new type.
 271
 272 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
 273
 274         * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info
 275         if it claims to be available.
 276         * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when
 277         edge is redirected.
 278         (perform_tree_ssa_dce): Always free postdominators.
 279
 280 2007-04-27  Richard Henderson  <rth@redhat.com>
 281
 282         * config/alpha/predicates.md (aligned_memory_operand): Mark
 283         as define_special_predicate.
 284         (unaligned_memory_operand, normal_memory_operand): Likewise.
 285         (reg_or_unaligned_mem_operand): Remove.
 286         (any_memory_operand): Match the documentation and check for
 287         non-renumbered pseudos during reload.
 288         * config/alpha/alpha.c (alpha_secondary_reload): Rename from
 289         alpha_secondary_reload_class, update to new interface, make static.
 290         Handle CQImode like HImode.  Remove FP subreg check.
 291         (alpha_expand_mov): Use replace_equiv_address.
 292         (alpha_expand_mov_nobwx): Use any_memory_operand.
 293         (TARGET_SECONDARY_RELOAD): New.
 294         * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove.
 295         (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
 296         * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ...
 297         * config/alpha/alpha.md: ... here.
 298         (RELOAD12, reloadmode): New.
 299         (movcqi): New.
 300         (reload_in<RELOAD12>): Macro-ize from reload_inqi, reload_inhi.
 301         Don't handle the aligned case here.
 302         (reload_out<RELOAD12>): Macro-ize from reload_outqi, reload_outhi.
 303         (reload_in<I12MODE>_aligned): Macro-ize from reload_inqi_help,
 304         reload_inhi_help.  Don't expect a scratch register.
 305         (reload_out<I12MODE>_aligned): Macro-ize from reload_outqi_help,
 306         reload_outhi_help.
 307         * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove.
 308
 309 2007-04-27  Richard Guenther  <rguenther@suse.de>
 310
 311         * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo.
 312
 313 2007-04-27  Richard Guenther  <rguenther@suse.de>
 314
 315         PR tree-optimization/30965
 316         PR tree-optimization/30978
 317         * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H).
 318         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove.
 319         (find_equivalent_equality_comparison): Likewise.
 320         (simplify_cond): Likewise.
 321         (get_prop_source_stmt): New helper.
 322         (get_prop_dest_stmt): Likewise.
 323         (can_propagate_from): Likewise.
 324         (remove_prop_source_from_use): Likewise.
 325         (combine_cond_expr_cond): Likewise.
 326         (forward_propagate_comparison): New function.
 327         (forward_propagate_into_cond): Rewrite to use fold for
 328         tree combining.
 329         (tree_ssa_forward_propagate_single_use_vars): Call
 330         forward_propagate_comparison to propagate comparisons.
 331
 332 2007-04-27  Richard Guenther  <rguenther@suse.de>
 333
 334         PR tree-optimization/31715
 335         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make
 336         sure to do computation on the offset in an appropriate
 337         signed type.
 338
 339 2007-04-27  Richard Sandiford  <richard@codesourcery.com>
 340
 341         * reload.h (elimination_target_reg_p): Declare.
 342         * reload.c (find_reloads): Don't apply the reg_rtx move
 343         optimization if the SET_DEST satisfies elimination_target_reg_p.
 344         * reload1.c (elimination_target_reg_p): New function.
 345         (gen_reload): In the move/add2 fallback, make sure that op0
 346         does not overlap the destination register.
 347
 348 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
 349
 350         * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
 351         transform only GIMPLE_MODIFY_STMTs.
 352         * tree-complex.c (expand_complex_operations_1): Ditto.
 353         (expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
 354         * tree-ssa-loop-manip.c (build_if_stmt): Removed.
 355         (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
 356         branches.
 357         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
 358         tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
 359         * omp-low.c (expand_parallel_call, expand_omp_for_generic,
 360         expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
 361         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
 362         slpeel_add_loop_guard): Ditto.
 363         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
 364         * lambda-code.c (perfect_nestify): Ditto.
 365         * tree-iterator.c (tsi_split_statement_list_before): Fix splitting
 366         before the first statement.
 367         * tree-optimize.c (execute_free_datastructures): Fix comments.
 368         (execute_free_cfg_annotations): Do not call disband_implicit_edges.
 369         * tree-flow.h (disband_implicit_edges): Declaration removed.
 370         * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
 371         branches.
 372         (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
 373         without gotos.
 374         (disband_implicit_edges, has_label_p): Removed.
 375         (tree_verify_flow_info): Verify that COND_EXPR branches are empty.
 376         (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
 377         branches.
 378         * tree.c (build3_stat): Mark COND_EXPRs used as statements as having
 379         side effects.
 380         * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
 381         also for COND_EXPRs.
 382         * cfgexpand.c (label_rtx_for_bb): New function.
 383         (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
 384         Use label_rtx_for_bb to find the labels.
 385         (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
 386         last block.  Detect fallthru edges.
 387
 388 2007-04-26  Ian Lance Taylor  <iant@google.com>
 389
 390         PR target/28675
 391         * reload.c (find_reloads_subreg_address): If the address was valid
 392         in the original mode but not in the new mode, reload the whole
 393         address.
 394
 395 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
 396
 397         * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable.
 398         (remove_fallthru_edge): Use remove_edge_and_dominated_blocks.
 399         (cleanup_control_expr_graph): Do not invalidate dominance info.
 400         Record altered blocks.
 401         (cleanup_control_flow, cleanup_forwarder_blocks): Removed.
 402         (cleanup_control_flow_bb, split_bbs_on_noreturn_calls,
 403         cleanup_tree_cfg_bb): New functions.
 404         (remove_forwarder_block): Do not maintain the worklist of blocks.
 405         Record altered blocks.
 406         (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs,
 407         not over whole cfg.
 408         (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1.  Only call
 409         delete_unreachable_blocks if dominators are not available.
 410         * tree-inline.c (optimize_inline_calls): Free dominance information
 411         earlier.
 412         * tree-flow.h (remove_edge_and_dominated_blocks,
 413         cfgcleanup_altered_bbs): Altered.
 414         * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered
 415         blocks.
 416         (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New
 417         functions.
 418         (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks,
 419         do not invalidate dominators.
 420
 421 2007-04-26  Anatoly Sokolov <aesok@post.ru>
 422
 423         * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and
 424         ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
 425         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
 426         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
 427
 428 2007-04-26  Steve Ellcey  <sje@cup.hp.com>
 429
 430         * config/ia64/ia64.md (ip_value):  Fix itanium_class attribute.
 431
 432 2007-04-26  Richard Guenther  <rguenther@suse.de>
 433
 434         PR tree-optimization/31703
 435         * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use
 436         the right type for the target of the bittest.
 437
 438 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
 439
 440         * config/i386/vx-common.h (RETURN_IN_MEMORY): Use
 441         ix86_sol10_return_in_memory.
 442
 443 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
 444
 445         * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused
 446         variables.
 447
 448 2007-04-26  Jakub Jelinek  <jakub@redhat.com>
 449
 450         PR c++/31598
 451         * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.
 452
 453         PR tree-optimization/30558
 454         * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
 455         clear this_state.prev_try.
 456
 457 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
 458             Mark Mitchell  <mark@codesourcery.com>
 459
 460         * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare.
 461         * config/i386/i386.c (ix86_sol10_return_in_memory): New function.
 462         * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it.
 463
 464 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
 465
 466         PR driver/31107
 467         * doc/invoke.texi (%:print-asm-header): Document.
 468         * gcc.c (asm_options): Use %:print-asm-header() for --target-help
 469         and -ftarget-help.
 470         (static_spec_functions): Add print-asm-header.
 471         (main): Print a banner before the --target-help linker options.
 472         (print_asm_header_spec_function): New function.
 473
 474 2007-04-25  Kaz Kojima  <kkojima@gcc.gnu.org>
 475
 476         PR target/31403
 477         * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A.
 478         (movsf_ie): Likewise.
 479
 480 2007-04-25  Paolo Carlini  <pcarlini@suse.de>
 481
 482         * doc/extend.texi ([Type Traits]): Adjust per N2255.
 483
 484 2007-04-25  Bob Wilson  <bob.wilson@acm.org>
 485
 486         * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Throw an exception
 487         for divide-by-zero.
 488         (__umodsi3, __modsi3): Likewise.
 489
 490 2007-04-25  Dirk Mueller  <dmueller@suse.de>
 491
 492         * c-typeck.c (build_compound_expr): Annotate warning()
 493         call with OPT_Wunused_value.
 494         * tree-ssa.c (warn_uninit): Annotate warning with
 495         OPT_Wunintialized.
 496         * c-common.c (handle_sentinel_attribute): Annotate warning
 497         call with OPT_Wattributes.
 498
 499 2007-04-25  Thiemo Seufer  <ths@mips.com>
 500
 501         * config/mips/mips.opt (mdmx, mmt, mno-mdmx): New options.
 502         (mips16): Fix typo.
 503         * config/mips/mips.h (ASM_SPEC): Pass -mmt/-mno-mt and -mdmx/-mno-mdmx
 504         on to the assembler.  Improve handling of -mno-mips16.  Add handling
 505         of -mno-mips3d, -mno-dsp, -mno-dspr2.
 506         * doc/invoke.texi (MIPS Options): Whitespace cleanup.  Fix wrong use
 507         of @itemx.  Document -mno-dsp, -mno-dspr2, -mno-paired-single, -mdmx,
 508         -mno-mdmx, -mno-mips3d, -mmt and -mno-mt.
 509
 510 2007-04-25  Danny Smith  <dannysmith.users.sourceforge.net>
 511
 512         PR target/31680
 513         * config/i386/winnt.c (i386_pe_file_end): Strip only
 514         USER_LABEL_PREFIX when writing export name.
 515
 516 2007-04-25  Richard Sandiford  <richard@codesourcery.com>
 517
 518         * config.gcc (sh-wrs-vxworks): Don't include dbxelf.h.  Include
 519         sh/elf.h, vx-common.h and vxworks.h.
 520         * config/sh/sh.h: Include config/vxworks-dummy.h.
 521         (SUBTARGET_OVERRIDE_OPTIONS): Define.
 522         (OVERRIDE_OPTIONS): Use it.
 523         * config/sh/sh.md (GOTaddr2picreg): Add suport for VxWorks RTPs.
 524         (vxworks_picreg): New pattern.
 525         * config/sh/vxworks.h (TARGET_OS_CPP_BUILTINS): Use
 526         VXWORKS_OS_CPP_BUILTINS.
 527         (LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine
 528         to their VXWORKS_* equivalents.
 529         (SUBTARGET_OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
 530         (SUBTARGET_LINK_EMUL_SUFFIX, FUNCTION_PROFILER): Define.
 531         * config/sh/lib1funcs.asm (NO_FPSCR_VALUES): Define for VxWorks PIC.
 532         (set_fpscr, ic_invalidate): Add VxWorks PIC sequences.
 533         * config/sh/t-vxworks (MULTILIB_OPTIONS): Add m4a, -mrtp and
 534         -mrtp/-fPIC multilibs.
 535         (MULTILIB_EXCEPTIONS): Generalize globs accordingly.
 536         (MULTILIB_MATCHES, EXTRA_MULTILIB_PARTS): Define.
 537         (MULTILIB_OSDIRNAMES): Delete.
 538
 539 2007-04-25  Anatoly Sokolov <aesok@post.ru>
 540
 541         PR target/18989
 542         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
 543
 544 2007-04-24  Brooks Moses  <brooks.moses@codesourcery.com>
 545
 546         * real.c (mpfr_from_real): Handle Inf and NaN, and allow the
 547         rounding mode to be specified by the caller.
 548         (real_to_mpfr) Likewise.
 549         * real.h: Update mpfr_from_real, mpfr_to_real prototypes to
 550         include new arguments.
 551         * builtins.c: Update mpfr_from_real, mpfr_to_real calls.
 552
 553 2007-04-24  Ian Lance Taylor  <iant@google.com>
 554
 555         PR tree-optimization/31605
 556         * tree-vrp.c (set_value_range): Check that min and max are not
 557         both overflow infinities.
 558         (set_value_range_to_value): New static function.
 559         (extract_range_from_binary_expr): Call set_value_range_to_value.
 560         (extract_range_from_cond_expr): Likewise.
 561         (extract_range_from_expr): Likewise.
 562         (extract_range_from_unary_expr): Likewise.  Don't create a range
 563         which overflows on both sides.
 564         (vrp_meet): Check for a useless range.
 565         (vrp_visit_phi_node): If we see a constant which looks like an
 566         overflow infinity, turn off the TREE_OVERFLOW flag.
 567
 568 2007-04-24  Ian Lance Taylor  <iant@google.com>
 569
 570         * flow.c (elim_reg_cond): Handle a comparison of a subreg.
 571
 572 2007-04-24  Simon Martin  <simartin@users.sourceforge.net>
 573
 574         PR diagnostic/25923
 575         * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
 576         diagnostic message is being built.
 577         * tree-pretty-print.c (dump_generic_node): Only write the
 578         formatted text into BUFFER's stream if we are not building a
 579         diagnostic message.
 580         * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
 581         dump_generic_node.
 582         * Makefile.in (toplev.o): Depend on tree-pass.h.
 583
 584 2007-04-24  Ian Lance Taylor  <iant@google.com>
 585
 586         PR tree-optimization/31602
 587         * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
 588         conditionals in the copied loop header.
 589         * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
 590         warnings if TREE_NO_WARNING is set.
 591         * doc/invoke.texi (Warning Options): Clarify that
 592         -Wstrict-overflow does not warn about loops.
 593
 594 2007-04-24  Janis Johnson  <janis187@us.ibm.com>
 595
 596         * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
 597         expand on the comment about _Decimal128 arguments and check the
 598         integer result of the modulus operation; for 64-bit ELF ABI, ensure
 599         that _Decimal128 argument uses even/odd register pair.
 600         (function_arg): Ditto.
 601
 602 2007-04-24  Hui-May Chang <hm.chang@apple.com>
 603
 604         * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
 605         instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
 606
 607 2007-04-24  Richard Guenther  <rguenther@suse.de>
 608             Olga Golovanevsky  <olga@il.ibm.com>
 609
 610         * fold-const.c (multiple_of_p): Check for bottom
 611         to be zero.
 612
 613 2007-04-24  Richard Henderson  <rth@redhat.com>
 614
 615         * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from
 616         IS_IBM_EXTENDED.  Also define in terms of WIDEST_HARDWARE_FP_SIZE.
 617         * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
 618         looking for non-zero bits shifted out.  Avoid a recursive call
 619         when constructing the scalar.
 620         (__floatundisf): Likewise.
 621
 622 2007-04-24  Nathan Froyd  <froydnj@codesourcery.com>
 623
 624         * dwarf2out.c (field_byte_offset): Move the existing logic
 625         under the control of PCC_BITFIELD_TYPE_MATTERS and just use
 626         the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
 627
 628 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
 629
 630         PR target/31641
 631         * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant length
 632         argument of 0 for memset.
 633         (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
 634         unsigned shift instead of the signed variant.
 635
 636 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
 637
 638         * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
 639         "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
 640         "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
 641         "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
 642         "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
 643         "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
 644         "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
 645         "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
 646         "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
 647         ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
 648         "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
 649         "mul<mode>3", "div<mode>3"): Insn definitions added.
 650         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
 651         "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
 652         to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
 653         ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
 654         "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
 655         "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
 656         ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
 657         * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
 658         TARGET_FLOAT_FORMAT): Macro definitions removed.
 659         (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
 660         * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
 661         z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
 662         (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
 663         (s390_gen_rtx_const_DI): Function removed.
 664         * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
 665
 666 2007-04-24  Richard Sandiford  <richard@codesourcery.com>
 667
 668         * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
 669         over an external ffs function.
 670
 671 2007-04-24  Chao-ying Fu  <fu@mips.com>
 672             Richard Sandiford  <richard@nildram.co.uk>
 673
 674         * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
 675         * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
 676         (smadd_widen_optab, umadd_widen_optab): Define.
 677         * optabs.c (init_optabs): Initialize smadd_widen_optab and
 678         umadd_widen_optab.
 679         * genopinit.c (optabs): Fill in smadd_widen_optab and
 680         umadd_widen_optab.
 681         * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
 682         and umadd_widen_optab to implement multiply-add sequences.
 683         * config/mips/mips.md (*<su>mul_acc_di): Rename to...
 684         (<u>maddsidi4): ...this.  Extend condition to include
 685         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
 686         of operand 0 to "ka" and use the three-operand form of madd<u>
 687         for TARGET_DSPR2.
 688         * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
 689         to define_expands.
 690         * config/mips/constraints.md (ka): New register constraint.
 691
 692 2007-04-24  Jan Hubicka  <j@suse.cz>
 693
 694         Revert:
 695
 696         2007-04-23  Jan Hubicka  <jh@suse.cz>
 697         * function.c (init_function_start): Don't init line number info.
 698         (expand_function_end): Update.
 699         (reset_block_changes, record_block_change, finalize_block_changes,
 700         check_block_change, free_block_changes): Kill.
 701         * function.h (reset_block_changes, record_block_change,
 702         finalize_block_changes, check_block_change, free_block_changes): Remove
 703         prototypes.
 704         (struct function): Remove ib_boundaries_block.
 705         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
 706         Use curr_insn_locator to initialize locator.
 707         (emit_line_note): Remove.
 708         * cfgexpand.c (expand_gimple_cond_expr): Update.
 709         (construct_exit_block): Likewise.
 710         (tree_expand_cfg): Initialize/finalize locators.
 711         * expr.c (expand_expr_real): Update.
 712         * cfglayout.c (line_locators_locs, line_locators_lines,
 713         file_locators_locs, file_locators_files): Remove.
 714         (set_block_levels): Move to cfgexpand.c.
 715         (insn_locators_initialize): Remove.
 716         (pass_insn_locators_initialize): Remove.
 717         (locations_locators_locs, locations_locators_vals): New static vars.
 718         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
 719         Likewise.
 720         (insn_locators_alloc, insn_locators_finalize,
 721         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
 722         New functions.
 723         (locator_location): New.
 724         (locator_line, locator_file): Rewrite.
 725         * rtl.h (emit_line_note): Kill.
 726         (insn_locators_alloc, insn_locators_finalize,
 727         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
 728         Declare.
 729         * tree-inline.c (initialize_cfun): Do not initialize
 730         ib_boundaries_block.
 731         * passes.c (pass_insn_locators_initialize): Remove.
 732
 733 2007-04-24  Daniel Franke  <franke.daniel@gmail.com>
 734
 735         * doc/invoke.texi: Removed leading '-' from option index entries.
 736
 737 2007-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
 738
 739         * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
 740         Use phi_nodes_ptr.
 741         (create_phi_node): Use set_phi_nodes.
 742         * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
 743         * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
 744         (combine_blocks):  Use bb_stmt_list and set_bb_stmt_list.
 745         * tree-flow-inline.h (phi_nodes, set_phi_nodes,
 746         (bsi_start, bsi_last): Use bb_stmt_list.
 747         (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
 748         * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
 749         Traverse the statements using tsi iterator.
 750         * basic-block.h (struct basic_block_def): Fields stmt_list
 751         and phi_nodes moved to ...
 752         (struct tree_bb_info): ... new structure.
 753         * tree-cfg.c (create_bb): Allocate il.tree.  Use set_bb_stmt_list.
 754         (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
 755         (remove_bb): Handle blocks with NULL stmt list.  Clear il.tree field.
 756         (tree_verify_flow_info): Verify that il.tree is not set for
 757         entry and exit block.
 758         (tree_split_block): Use set_bb_stmt_list.
 759
 760 2007-04-23  Mike Stump  <mrs@apple.com>
 761
 762         * config/i386/i386.c (ix86_tune_features
 763         [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
 764         nocona and core2.
 765
 766 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
 767
 768         * config/i386/i386.md (prefix_extra): New attribute.
 769         (length): Add prefix_extra.
 770
 771         * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
 772         (sse2_movntv2di): Likewise.
 773         (sse2_cvtps2dq): Likewise.
 774         (sse2_cvtpd2pi): Likewise.
 775         (sse2_cvttpd2pi): Likewise.
 776         (*sse2_cvtpd2ps): Likewise.
 777         (*add<mode>3): Likewise.
 778         (sse2_ssadd<mode>3): Likewise.
 779         (sse2_usadd<mode>3): Likewise.
 780         (*sub<mode>3): Likewise.
 781         (sse2_sssub<mode>3): Likewise.
 782         (sse2_ussub<mode>3): Likewise.
 783         (*mulv8hi3): Likewise.
 784         (*smulv8hi3_highpart): Likewise.
 785         (*umulv8hi3_highpart): Likewise.
 786         (sse2_umulv2siv2di3): Likewise.
 787         (sse2_pmaddwd): Likewise.
 788         (ashr<mode>3): Likewise.
 789         (lshr<mode>3): Likewise.
 790         (ashl<mode>3): Likewise.
 791         (sse2_ashlti3): Likewise.
 792         (sse2_lshrti3): Likewise.
 793         (*umaxv16qi3): Likewise.
 794         (*smaxv8hi3): Likewise.
 795         (*uminv16qi3): Likewise.
 796         (*sminv8hi3): Likewise.
 797         (sse2_eq<mode>3): Likewise.
 798         (sse2_gt<mode>3): Likewise.
 799         (*and<mode>3): Likewise.
 800         (sse2_nand<mode>3): Likewise.
 801         (*ior<mode>3): Likewise.
 802         (*xor<mode>3): Likewise.
 803         (sse2_packsswb): Likewise.
 804         (sse2_packssdw): Likewise.
 805         (sse2_packuswb): Likewise.
 806         (sse2_punpckhbw): Likewise.
 807         (sse2_punpcklbw): Likewise.
 808         (sse2_punpckhwd): Likewise.
 809         (sse2_punpcklwd): Likewise.
 810         (sse2_punpckhdq): Likewise.
 811         (sse2_punpckldq): Likewise.
 812         (sse2_punpckhqdq): Likewise.
 813         (sse2_punpcklqdq): Likewise.
 814         (*sse2_pinsrw): Likewise.
 815         (*sse2_pextrw): Likewise.
 816         (sse2_pshufd_1): Likewise.
 817         (sse2_uavgv16qi3): Likewise.
 818         (sse2_uavgv8hi3): Likewise.
 819         (sse2_psadbw): Likewise.
 820         (sse2_pmovmskb): Likewise.
 821         (*sse2_maskmovdqu): Likewise.
 822         (*sse2_maskmovdqu_rex64): Likewise.
 823         (sse4a_extrqi): Likewise.
 824         (sse4a_extrq): Likewise.
 825         (sse3_lddqu): Set prefix_rep.
 826         (sse3_addsubv4sf3): Likewise.
 827         (sse3_haddv4sf3): Likewise.
 828         (sse3_hsubv4sf3): Likewise.
 829         (sse_cvtss2si): Likewise.
 830         (sse_cvtss2si_2): Likewise.
 831         (sse_cvtss2siq): Likewise.
 832         (sse_cvtss2siq_2): Likewise.
 833         (sse_cvttss2si): Likewise.
 834         (sse_cvttss2siq): Likewise.
 835         (sse2_cvttps2dq): Likewise.
 836         (sse3_movshdup): Likewise.
 837         (sse3_movsldup): Likewise.
 838         (sse2_cvtsd2si): Likewise.
 839         (sse2_cvtsd2si_2): Likewise.
 840         (sse2_cvtsd2siq): Likewise.
 841         (sse2_cvtsd2siq_2): Likewise.
 842         (sse2_cvttsd2si): Likewise.
 843         (sse2_cvttsd2siq): Likewise.
 844         (*sse2_cvtpd2dq): Likewise.
 845         (*sse2_cvttpd2dq): Likewise.
 846         (sse2_pshuflw_1): Likewise.
 847         (sse2_pshufhw_1): Likewise.
 848         (sse4a_insertqi): Likewise.
 849         (sse4a_insertq): Likewise.
 850         (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
 851         (ssse3_phadddv4si3): Likewise.
 852         (ssse3_phaddswv8hi3): Likewise.
 853         (ssse3_phsubwv8hi3): Likewise.
 854         (ssse3_phsubdv4si3): Likewise.
 855         (ssse3_phsubswv8hi3): Likewise.
 856         (ssse3_pmaddubswv8hi3): Likewise.
 857         (ssse3_pmulhrswv8hi3): Likewise.
 858         (ssse3_pshufbv16qi3): Likewise.
 859         (ssse3_psign<mode>3): Likewise.
 860         (ssse3_palignrti): Likewise.
 861         (abs<mode>2): Likewise.
 862         (ssse3_phaddwv4hi3): Set prefix_extra.
 863         (ssse3_phadddv2si3): Likewise.
 864         (ssse3_phaddswv4hi3): Likewise.
 865         (ssse3_phsubwv4hi3): Likewise.
 866         (ssse3_phsubdv2si3): Likewise.
 867         (ssse3_phsubswv4hi3): Likewise.
 868         (ssse3_pmaddubswv4hi3): Likewise.
 869         (ssse3_pmulhrswv4hi3): Likewise.
 870         (ssse3_pshufbv8qi3): Likewise.
 871         (ssse3_psign<mode>3): Likewise.
 872         (ssse3_palignrdi): Likewise.
 873         (abs<mode>2): Likewise.
 874         (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
 875         (*vec_dupv2df): Set mode to V2DF instead of V4SF.
 876         (sse2_pmovmskb): Set mode to SI instead of V2DF.
 877
 878 2007-04-23  Nick Clifton  <nickc@redhat.com>
 879
 880         * params.def: Fix formatting of emacs local variables.
 881
 882 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
 883
 884         * config/i386/sse.md (sse2_stored): Don't split to inter-unit
 885         move if inter-unit move isn't allowed.
 886         Don't split moving the first element of V2DI to DI to inter-unit
 887         move if inter-unit move isn't allowed.
 888
 889 2007-04-23  Richard Guenther  <rguenther@suse.de>
 890
 891         * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
 892         and CDI_POST_DOMINATORS separately.
 893
 894 2007-04-23  Nick Clifton  <nickc@redhat.com>
 895
 896         * c.opt (Wformat-contains-nul): Add warning attribute.
 897
 898 2007-04-23  Jan Hubicka  <jh@suse.cz>
 899
 900         * function.c (init_function_start): Don't init line number info.
 901         (expand_function_end): Update.
 902         (reset_block_changes, record_block_change, finalize_block_changes,
 903         check_block_change, free_block_changes): Kill.
 904         * function.h (reset_block_changes, record_block_change,
 905         finalize_block_changes, check_block_change, free_block_changes): Remove
 906         prototypes.
 907         (struct function): Remove ib_boundaries_block.
 908         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
 909         Use curr_insn_locator to initialize locator.
 910         (emit_line_note): Remove.
 911         * cfgexpand.c (expand_gimple_cond_expr): Update.
 912         (construct_exit_block): Likewise.
 913         (tree_expand_cfg): Initialize/finalize locators.
 914         * expr.c (expand_expr_real): Update.
 915         * cfglayout.c (line_locators_locs, line_locators_lines,
 916         file_locators_locs, file_locators_files): Remove.
 917         (set_block_levels): Move to cfgexpand.c.
 918         (insn_locators_initialize): Remove.
 919         (pass_insn_locators_initialize): Remove.
 920         (locations_locators_locs, locations_locators_vals): New static vars.
 921         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
 922         Likewise.
 923         (insn_locators_alloc, insn_locators_finalize,
 924         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
 925         New functions.
 926         (locator_location): New.
 927         (locator_line, locator_file): Rewrite.
 928         * rtl.h (emit_line_note): Kill.
 929         (insn_locators_alloc, insn_locators_finalize,
 930         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
 931         Declare.
 932         * tree-inline.c (initialize_cfun): Do not initialize
 933         ib_boundaries_block.
 934         * passes.c (pass_insn_locators_initialize): Remove.
 935
 936 2007-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 937
 938         PR middle-end/31448
 939         * expr.c (reduce_to_bit_field_precision): Handle
 940         CONST_INT rtx's.
 941
 942 2007-04-22  Uros Bizjak  <ubizjak@gmail.com>
 943
 944         PR tree-optimization/24659
 945         * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
 946         OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
 947         (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
 948         * genopinit.c (optabs): Rename vec_pack_mod_optab
 949         to vec_pack_trunc_optab.
 950         * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
 951         early for scalar floating point operands for NOP_EXPR.
 952         (vectorizable_type_promotion): Ditto.
 953         * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
 954         vec_pack_trunc_optab.
 955         (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
 956
 957         * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
 958         * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
 959         Rename from VEC_PACK_MOD_EXPR.
 960         (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
 961         * expr.c (expand_expr_real_1): Ditto.
 962         * tree-inline.c (estimate_num_insns_1): Ditto.
 963         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
 964
 965         * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
 966         (vec_unpacks_lo_v4sf): Ditto.
 967         (vec_pack_trunc_v2df): Ditto.
 968         (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
 969         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
 970         (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
 971
 972         * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
 973         vec_pack_mod_v8hi.
 974         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
 975
 976         * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
 977         Rename from VEC_PACK_MOD_EXPR.  This expression also represent
 978         packing of floating point operands.
 979         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
 980         represent unpacking of floating point operands.
 981         * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
 982         [vec_unpacks_hi]: Ditto.
 983         [vec_unpacks_lo]: Ditto.
 984
 985 2007-04-22  Jan Hubicka  <jh@suse.cz>
 986
 987         * final.c (rest_of_handle_final): Call
 988         targetm.asm_out.constructor/targetm.asm_out.destructor
 989         * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
 990         proper priority via decl_*_priority_insert.
 991         * c-common.c (c_expand_body): Likewise.
 992
 993 2007-04-22  Richard Guenther  <rguenther@suse.de>
 994
 995         PR tree-optimization/29789
 996         * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
 997         (rewrite_reciprocal): New helper split out from
 998         determine_invariantness_stmt.
 999         (rewrite_bittest): Likewise.
1000         (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
1001         A & (1 << B) if (1 << B) is loop invariant but (A >> B)
1002         is not.
1003
1004 2007-04-22  Revital Eres  <eres@il.ibm.com>
1005
1006         * loop-unroll.c (var_to_expand): New field to support also
1007         insns of the form x = something + x.
1008         (analyze_insn_to_expand_var): Use it.
1009         (expand_var_during_unrolling): Likewise.
1010
1011 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
1012
1013         * predict.c: Include pointer-set.h.
1014         (bb_predictions): New variable.
1015         (tree_predicted_by_p, tree_predict_edge,
1016         remove_predictions_associated_with_edge): Use bb_predictions map
1017         instead of bb->predictions.
1018         (clear_bb_predictions, assert_is_empty): New functions.
1019         (combine_predictions_for_bb): Use bb_predictions map.  Call
1020         clear_bb_predictions.
1021         (tree_estimate_probability): Create and free bb_predictions map.
1022         * Makefile.in (predict.o): Add pointer-set.h dependency.
1023         * basic-block.h (struct basic_block_def): Remove predictions
1024         field.
1025         * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
1026
1027 2007-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
1028
1029         PR target/31480
1030         * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
1031         is null.
1032
1033 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1034
1035         * timevar.c (timevar_print): Change reference of --disable-checking to
1036         --enable-checking=release.  Also warn if assert checking is disabled.
1037
1038 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1039
1040         PR C/30265
1041         * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
1042         decl as addressable if the compound literal was marked as
1043         addressable.
1044         Mark the decl as a gimple register if it is a complex or
1045         vector decl and does not live in memory.
1046
1047 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1048
1049         * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
1050         (GENERIC_NEXT): New function macro.
1051         (PHI_CHAIN): Use phi_node's new chain variable.
1052         (tree_phi_node): Change tree_common to tree_base
1053         and add the chain field.
1054         * tree-phinodes.c (make_phi_node): Don't set
1055         TREE_TYPE on the new node.
1056         * c-decl.c (lang_tree_node): Use GENERIC_NEXT
1057         instead of checking GIMPLE_TUPLE_P in chain_next.
1058         * tree-vect-transform.c
1059         (get_initial_def_for_induction): Look at
1060         PHI_RESULT_TREE for the type of the phi node.
1061         (update_vuses_to_preheader): Use PHI_CHAIN
1062         instead of TREE_CHAIN on the phi node.
1063         * tree-ssa-structalias.c (compute_points_to_sets):
1064         Likewise.
1065         (ipa_pta_execute): Likewise.
1066
1067 2007-04-21  Richard Guenther  <rguenther@suse.de>
1068
1069         PR middle-end/31136
1070         * fold-const.c (fold_unary): Call fold_convert_const on the
1071         original tree.
1072
1073 2007-04-21  Alexandre Oliva  <aoliva@redhat.com>
1074
1075         * gcse.c (store_killed_in_insn): Handle PARALLELs.
1076         (store_killed_in_pat): New.
1077
1078 2007-04-20  Richard Henderson  <rth@redhat.com>
1079
1080         PR target/31628
1081         * config/i386/i386.c (type_has_variadic_args_p): Look for any
1082         TREE_LIST with a void_type_node value, not void_list_node exactly.
1083
1084 2007-04-21  Douglas Gregor  <doug.gregor@gmail.com>
1085
1086         * doc/standards.texi: Re-arrange into language-specific
1087         subsections. Add a C++ section, documenting which standards we
1088         support.
1089
1090 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
1091
1092         * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
1093         * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
1094
1095 2007-04-20  Daniel Jacobowitz  <dan@codesourcery.com>
1096
1097         * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
1098         ecrti.o and crtbegin.o.
1099         (LIB_DEFAULT_SPEC): Include -lc.
1100         (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
1101
1102 2007-04-20  Richard Henderson  <rth@redhat.com>
1103
1104         PR target/28623
1105         * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
1106         argument; update all callers.
1107         (get_unaligned_offset): New.
1108         * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
1109         get_unaligned_address, just pass on the address directly.
1110         (unaligned_extendqidi): Use gen_lowpart instead of open-coding
1111         the subreg in the helper patterns.
1112         (unaligned_extendqidi_le): Use get_unaligned_offset.
1113         (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
1114         (unaligned_extendhidi_be): Likewise.
1115         (unaligned_extendhidi): Tidy.
1116         * config/alpha/alpha-protos.h: Update.
1117
1118 2007-04-20  Richard Henderson  <rth@redhat.com>
1119
1120         * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
1121         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
1122         * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
1123         * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1124         * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1125         (CPP_SPEC): Don't include %(cpp_subtarget).
1126         * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
1127         (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1128         * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
1129
1130 2007-04-20  Jakub Jelinek  <jakub@redhat.com>
1131
1132         * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
1133         for __builtin_ia32_cmpordss.
1134
1135         PR tree-optimization/31632
1136         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
1137         and arg1 for optimizations of comparison against min/max values.
1138         Fold arg0 to arg1's type for optimizations of comparison against
1139         min+1 and max-1 values.
1140
1141 2007-04-19  Bernd Schmidt  <bernd.schmidt@analog.com>
1142
1143         * reload.c (combine_reloads): When trying to use a dying register,
1144         check whether it's uninitialized and don't use if so.
1145
1146 2007-04-19  Brooks Moses  <brooks.moses@codesourcery.com>
1147
1148         * fold-const.c: Remove prototypes for native_encode_expr and
1149         native_interpret_expr.
1150         (native_encode_expr): Make non-static.
1151         (native_interpret_expr): Likewise.
1152         * tree.h: Add prototypes for the above.
1153
1154 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
1155
1156         * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
1157         *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
1158         *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
1159         spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
1160         tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
1161         Add length attributes.
1162
1163 2007-04-19  Janis Johnson  <janis187@us.ibm.com>
1164
1165         * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
1166         not that it is 1.
1167
1168         * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
1169         __STDC_WANT_DEC_FP__.
1170
1171 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
1172
1173         * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
1174         for long double compatibility.
1175         * configure: Regenerate.
1176
1177 2007-04-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
1178
1179         PR rtl-optimization/29841
1180         * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
1181         trap instructions.
1182         * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
1183         that may cause control flow transfer from being moved.
1184
1185 2007-04-18  Jan Hubicka  <jh@suse.cz>
1186
1187         * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
1188         types.
1189
1190 2007-04-18  Eric Christopher  <echristo@apple.com>
1191
1192         * config/rs6000/darwin.md (load_macho_picbase): Use link register
1193         only. Update operands.
1194         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
1195         * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
1196         link register to pic register.
1197
1198 2007-04-18  Dirk Mueller  <dmueller@suse.de>
1199
1200         PR diagnostic/31227
1201         * tree-vrp.c (search_for_addr_array): New.
1202         (check_array_bounds): Suppress warning about
1203         address taken of array refs if its not de-referenced.
1204
1205 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1206
1207         * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
1208         * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
1209
1210         * tree-vectorizer.h (NITERS_KNOWN_P): New.
1211         * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
1212         instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
1213
1214         * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
1215         dump print.
1216         (vect_analyze_operations): Fix indenetation.  Fix a comment.  Fix a
1217         print message.
1218         (vect_analyze_scalar_cycles): Fix indentation.
1219         (vect_enhance_data_refs_alignment): Fix check in case of peeling.
1220         (vect_mark_relevant): Include phis in relevance analysis.
1221
1222         * tree-vect-transform.c (vect_transform_loop): Add an assert.
1223
1224 2007-04-18  Anatoly Sokolov <aesok@post.ru>
1225
1226         * config/avr/avr.c (ptrreg_to_str): Replace error() with
1227         output_operand_lossage().
1228
1229 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1230
1231         * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
1232         the unused code for reduction without adjust-in-epilog to simplify the
1233         function.
1234
1235 2007-04-18  Wolfgang Gellerich  <gellerich@de.ibm.com>
1236
1237         * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
1238         (S390_TDC_NEGATIVE_ZERO): New constant.
1239         (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
1240         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
1241         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
1242         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
1243         (S390_TDC_POSITIVE_INFINITY): New constant.
1244         (S390_TDC_NEGATIVE_INFINITY): New constant.
1245         (S390_TDC_POSITIVE_QUIET_NAN): New constant.
1246         (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
1247         (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
1248         (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
1249         (S390_TDC_INFINITY): New constant.
1250         * config/s390/s390.c (s390_canonicalize_comparison): Renamed
1251         UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
1252         optimization for UNSPEC_CCZ_TO_INT.
1253         * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
1254         ("*ccz_to_int"): New insn.
1255         ("isinf<mode>2"): New insn.
1256         (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
1257         (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
1258         (UNSPEC_CCZ_TO_INT): New constant.
1259
1260 2007-04-18  Richard Guenther  <rguenther@suse.de>
1261
1262         PR tree-optimization/19431
1263         PR tree-optimization/21463
1264         * tree-pass.h (pass_phiprop): Declare.
1265         * passes.c (init_optimization_passes): New phiprop pass.
1266         * tree-ssa-forwprop.c (struct phiprop_d): New structure.
1267         (phivn_valid_p): New helper function.
1268         (phiprop_insert_phi): Likewise.
1269         (propagate_with_phi): Likewise.
1270         (tree_ssa_phiprop): New propagator propagating loads
1271         through phi nodes if profitable.
1272
1273 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1274
1275         * tree-vect-analyze.c (process_use): New function.
1276         (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
1277         Check phis in all bbs.
1278         * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
1279         assert.
1280
1281 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
1282
1283         * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
1284         we use REG_EQUAL.
1285
1286 2007-04-17  Anatoly Sokolov <aesok@post.ru>
1287
1288         PR target/30483
1289         * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
1290         error().
1291
1292 2007-04-17  H.J. Lu  <hongjiu.lu@intel.com>
1293
1294         * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
1295         on "0".
1296         (sse_vmmulv4sf3): Likewise.
1297         (sse2_vmaddv2df3): Likewise.
1298         (sse2_vmmulv2df3): Likewise.
1299
1300 2007-04-17  Zdenek Dvorak  <dvorakz@suse.cz>
1301
1302         PR rtl-optimization/31360
1303         * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
1304         (target_reg_cost): New.
1305         (init_set_costs): Initialize target_reg_cost.  Add comments
1306         regarding the rationale of the costs.
1307         (global_cost_for_size): Renamed to...
1308         (estimate_reg_pressure_cost): ... and simplify.  Decrease importance
1309         of register pressure.
1310         * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
1311         estimate_reg_pressure_cost.  Add number of ivs.
1312         (determine_set_costs): Dump target_reg_cost.
1313         * loop-invariant.c (gain_for_invariant):  Use
1314         estimate_reg_pressure_cost.  Removed n_inv_uses argument.
1315         (best_gain_for_invariant, find_invariants_to_move): Remove
1316         n_inv_uses.
1317         * cfgloop.h (target_small_cost, target_pres_cost): Removed.
1318         (target_reg_cost): Declare.
1319         (global_cost_for_size): Declaration removed.
1320         (estimate_reg_pressure_cost): Declare.
1321
1322 2007-04-17  Peter Bergner  <bergner@vnet.ibm.com>
1323
1324         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
1325         regnos into even/odd register pairs.
1326         * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
1327         TDmode similar to the other floating point modes.
1328         [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
1329         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
1330         define_expand's.
1331         (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
1332         nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
1333         (movdd_hardfloat64): Use TARGET_MFPGPR.
1334
1335 2007-04-17  Bernd Schmidt  <bernd.schmidt@analog.com>
1336
1337         * reload1.c (delete_output_reload): Don't count output in n_inherited.
1338
1339         Revert
1340         2005-01-05  Richard Henderson  <rth@redhat.com>
1341         PR rtl-opt/10692
1342         * reload1.c (do_input_reload): Restrict the optimization deleteing
1343         a previous output reload to RELOAD_FOR_INPUT.
1344
1345 2007-04-17  Dorit Nuzman  <dorit@il.ibm.com>
1346
1347         * tree-vectorizer.h (stmt_vec_info_type): Add enum value
1348         induc_vec_info_type.
1349         (vectorizable_induction): New function declaration.
1350         * tree-vect-transform.c (get_initial_def_for_induction): No need to
1351         check if already vectorized.  Find first place in BB where new stmts
1352         can be inserted.  Takes only one argument.
1353         (vectorizable_induction): New function.
1354         (vect_transform_stmt): Add case for induc_vec_info_type to call
1355         vectorizable_induction.
1356         (vect_transform_loop): Consider phis for vectorization.
1357         * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
1358         condition.
1359         (analyze_operations): Call vectorizable_induction when analyzing phis.
1360         Fix comment.
1361         (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
1362         (vect_mark_relevant): Include phis in relevance analysis.
1363         (vect_mark_stmts_to_be_vectorize): Likewise.
1364         * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
1365
1366 2007-04-16  Lawrence Crowl  <crowl@google.com>
1367
1368         * doc/invoke.texi (Debugging Options): Add documentation for the
1369         -femit-struct-debug options -femit-struct-debug-baseonly,
1370         -femit-struct-debug-reduced, and
1371         -femit-struct-debug-detailed[=...].
1372
1373         * c-opts.c (c_common_handle_option): Add
1374         OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
1375         and OPT_femit_struct_debug_detailed_.
1376         * c.opt: Add specifications for
1377         -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
1378         and -femit-struct-debug-detailed[=...].
1379         * opts.c (set_struct_debug_option): Parse the
1380         -femit-struct-debug-... options.
1381         * opts.c (matches_main_base, main_input_basename,
1382         main_input_baselength, base_of_path, matches_main_base): Add
1383         variables and functions to compare header base name to compilation
1384         unit base name.
1385         * opts.c (should_emit_struct_debug): Add to determine to emit a
1386         structure based on the option.
1387         (dump_struct_debug) Also disabled function to debug this
1388         function.
1389         * opts.c (handle_options): Save the base name of the
1390         compilation unit.
1391
1392         * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
1393         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
1394         This hook indicates if a type is generic.  Set it by default
1395         to "never generic".
1396         * langhooks.h (struct lang_hooks_for_types): Add a new hook
1397         to determine if a struct type is generic or not.
1398         * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
1399         * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
1400         * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
1401         with live C++ hook.
1402
1403         * flags.h (enum debug_info_usage): Add an enumeration to describe
1404         a program's use of a structure type.
1405         * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
1406         to indicate the program's usage of the type.  Filter structs based
1407         on the -femit-struct-debug-... specification.
1408         (gen_type_die): Split into two routines, gen_type_die and
1409         gen_type_die_with_usage.  gen_type_die is now a wrapper
1410         that assumes direct usage.
1411         (gen_type_die_with_usage): Replace calls to gen_type_die
1412         with gen_type_die_with_usage adding the program usage of
1413         the referenced type.
1414         (dwarf2out_imported_module_or_decl): Suppress struct debug
1415         information using should_emit_struct_debug when appropriate.
1416
1417 2007-04-16  Ian Lance Taylor  <iant@google.com>
1418
1419         PR tree-optimization/31522
1420         * tree-vrp.c (vr_phi_edge_counts): New static variable.
1421         (vrp_initialize): Allocate vr_phi_edge_counts.
1422         (vrp_visit_phi_node): Don't push to infinity if we saw a new
1423         executable edge.  Drop test for all constants.
1424         (vrp_finalize): Free vrp_phi_edge_counts.
1425
1426         * doc/cpp.texi (Common Predefined Macros): Clarify description of
1427         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
1428
1429         * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
1430         predecessors at head rather than tail.
1431
1432 2007-04-16  Matthias Klose  <doko@debian.org>
1433
1434         * config/alpha/linux.h (CPP_SPEC): Define.
1435         * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
1436
1437 2007-04-16  Aldy Hernandez  <aldyh@redhat.com>
1438
1439         * function.h: Remove sequence_stack extern declaration.
1440
1441 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
1442
1443         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
1444         TARGET_FIDOA.
1445         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
1446         defined.
1447
1448 2007-04-16  Anatoly Sokolov <aesok@post.ru>
1449
1450         * config/avr/avr.c (avr_arch_types): Rearranging  array.
1451         (enum avr_arch): Add.
1452         (avr_mcu_types): Use avr_arch enumeration constants instead of
1453         numbers.
1454         * config/avr/avr.h (LINK_SPEC): Simplify.
1455
1456 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
1457
1458         * config/m68k/m68k.c (m68k_libcall_value,
1459         m68k_function_value): Use macros for register names more.
1460
1461         * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
1462         instead.
1463         (M68K_REGNAME): Use A6_REG.
1464         * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
1465
1466 2007-04-16  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
1467
1468         PR middle-end/28071
1469         * sched-int.h (struct deps): Split field 'pending_lists_length' into
1470         'pending_read_list_length' and 'pending_write_list_length'.  Update
1471         comment.
1472         * sched-deps.c (add_insn_mem_dependence): Change signature.  Update
1473         to handle two length counters instead of one.  Update all uses.
1474         (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
1475         two length counters instead of one.
1476         * sched-rgn.c (propagate_deps): Update to handle two length counters
1477         instead of one.
1478
1479 2007-04-16  H.J. Lu  <hongjiu.lu@intel.com>
1480
1481         PR target/31582
1482         * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
1483         copy of source, pass it to ix86_expand_vector_set and return
1484         it as target.
1485
1486 2007-04-16  David Ung  <davidu@mips.com>
1487             Joseph Myers  <joseph@codesourcery.com>
1488
1489         * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
1490         PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
1491         * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
1492         Add 74K processor information.
1493         * config/mips/mips.md: Include 74k.md.
1494         (cpu): Add 74kc,74kf,74kx.
1495         (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
1496         * config/mips/74k.md: New.
1497         * doc/invoke.texi (MIPS Options): Document 74K support.
1498
1499 2007-04-16  Dorit Nuzman  <dorit@il.ibm.com>
1500
1501         * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
1502         vectorizable_* functions.
1503         * tree-vect-transform.c (vectorizable_call): Add check for
1504         STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
1505         (vectorizable_store): likewise.
1506         (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
1507         Add comments.
1508         (vectorizable_operation, vectorizable_type_demotion): Likewise.
1509         (vectorizable_type_promotion, vectorizable_load): Likewise.
1510         (vectorizable_live_operation, vectorizable_condition): Likewise.
1511         (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
1512         STMT_VINFO_LIVE_P.
1513         (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
1514
1515 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
1516
1517         * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
1518         register numbers more.
1519         * config/m68k/m68k.h (STACK_POINTER_REGNUM,
1520         FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
1521         M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
1522         FUNCTION_VALUE_REGNO_P): Likewise.
1523         * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
1524         STATIC_CHAIN_REGNUM): Likewise.
1525         * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
1526         * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
1527         STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
1528         * config/m68k/m68k.md (FP_REG): New.
1529
1530 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
1531
1532         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
1533         alignment on fido.
1534
1535 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
1536
1537         * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
1538         tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
1539         comment typos.
1540
1541 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
1542
1543         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
1544         cold loops.
1545
1546 2007-04-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1547
1548         PR c/31520
1549         * c-decl.c (finish_decl): Grab the type of the decl after the call
1550         to store_init_value.
1551
1552 2007-04-14  Steven Bosscher  <steven@gcc.gnu.org>
1553
1554         * common.opt (fforward-propagate): Fix "Optimization" annotation.
1555
1556 2007-04-14  Jakub Jelinek  <jakub@redhat.com>
1557
1558         PR c++/25874
1559         * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
1560         post dominators and cleanup cfg before returning.
1561
1562 2007-04-14  Bernd Schmidt  <bernd.schmidt@analog.com>
1563
1564         * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
1565         * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
1566
1567 2007-04-14  Kazu Hirata  <kazu@codesourcery.com>
1568
1569         * config.gcc: Recognize fido.
1570         * config/m68k/m68k-devices.def (fidoa): New.
1571         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
1572         __mfido__.
1573         (FL_FIDOA, TARGET_FIDOA): New.
1574         * config/m68k/m68k.opt (mfidoa): New.
1575
1576 2007-04-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1577
1578         PR middle-end/31322
1579         * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
1580         when a personality function is used.
1581
1582 2007-04-13  Bob Wilson  <bob.wilson@acm.org>
1583
1584         * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
1585
1586 2007-04-13  Mike Stump  <mrs@apple.com>
1587
1588         * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
1589         we can...
1590         * config/darwin.opt (fapple-kext): Make C++ only.
1591         * config/darwin.c (darwin_override_options): Remove code to ensure
1592         -fapple-kext is given for C++ only.
1593
1594 2007-04-13  Richard Sandiford  <richard@codesourcery.com>
1595
1596         * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
1597         * config/mips/mips.c (override_options): Call
1598         SUBTARGET_OVERRIDE_OPTIONS, if defined.
1599
1600 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1601
1602         * config/i386/i386.opt (msvr3-shlib): Removed.
1603
1604         * doc/invoke.texi: Remove -msvr3-shlib.
1605
1606 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1607
1608         * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
1609         with "popcnt" instruction.
1610
1611 2007-04-13  Richard Guenther  <rguenther@suse.de>
1612
1613         PR tree-optimization/21258
1614         * tree-vrp.c (compare_case_labels): New helper.
1615         (find_switch_asserts): New function.
1616         (find_assert_locations): Call it for SWITCH_EXPRs.
1617
1618 2007-04-13  Uros Bizjak  <ubizjak@gmail.com>
1619
1620         * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
1621         * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
1622         check is now implied in X87_FLOAT_MODE_P.
1623         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
1624         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
1625         (fix_trunc<mode>_i386_fisttp): Ditto.
1626         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
1627         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
1628         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
1629         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
1630         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
1631         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
1632         (unnamed_splitters): Ditto.
1633         * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
1634         for X87_FLOAT_MODE_P mode.  Override FIRST_FLOAT_REG with
1635         FIRST_SSE_REG for local functions when SSE math is enabled or
1636         for functions with sseregparm attribute.
1637         (standard_80387_constant_p): Return -1 if mode is not
1638         X87_FLOAT_MODE_P.
1639         (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
1640         (ix86_expand_compare): Ditto.
1641         (ix86_expand_carry_flag_compare): Ditto.
1642         (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
1643         of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
1644         DECIMAL_FLOAT_MODE_P.
1645         (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
1646         of SCALAR_FLOAT_MODE_P.
1647         (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
1648         [MINUS]: ... here.  Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
1649         checks before FLOAT_MODE_P.
1650         [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
1651         before FLOAT_MODE_P.
1652         [DIV]: Ditto.
1653         [NEG]: Ditto.
1654         [ABS]: Ditto.
1655         [SQRT]: Ditto.
1656         [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
1657
1658 2007-04-12  Paolo Bonzini  <bonzini@gnu.org>
1659             Charles Wilson  <libtool@cwilson.fastmail.fm>
1660
1661         * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
1662         (libgcc.mvars): Don't depend on them.
1663         * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
1664         * exec-tool.in: New.
1665
1666 2007-04-12  Brooks Moses  <brooks.moses@codesourcery.com>
1667
1668         * doc/invoke.text (--help): Document --help=common.
1669
1670 2007-04-12  Thomas Neumann  <tneumann@users.sourceforge.net>
1671
1672         * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
1673
1674 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1675
1676         * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
1677         * genemit.c (main): Emit #include "integrate.h".
1678         * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
1679         (LOADGP_RTP): New mips_loadgp_style.
1680         * config/mips/mips.h: Include config/vxworks-dummy.h.
1681         (TARGET_RTP_PIC): New macro.
1682         (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
1683         (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
1684         (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
1685         for TARGET_RTP_PIC.
1686         * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define.  Pass down
1687         -mvxworks-pic when using -mrtp and a PIC option.
1688         * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
1689         for RTP PIC.
1690         (mips_symbolic_constant_p, mips_symbolic_address_p)
1691         (mips_symbol_insns): Handle SYMBOL_HALF.
1692         (override_options): Warn about -G and -mrtp being used together.
1693         Initialize mips_lo_relocs[SYMBOL_HALF].
1694         (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
1695         (mips_emit_loadgp): Handle LOADGP_RTP.
1696         (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
1697         * config/mips/mips.md (loadgp_rtp): New insn and splitter.
1698         (tablejump): Handle function-relative case table entries if
1699         TARGET_RTP_PIC.
1700         * config/mips/predicates.md (symbol_ref_operand): New predicate.
1701
1702 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1703
1704         * config/mips/mips.md (load_call<mode>): Allow any general register.
1705         destination.
1706         (sibcall_value_internal, sibcall_value_multiple_internal)
1707         (call_value_internal, call_value_split, call_value_multiple_internal)
1708         (call_value_multiple_split): Remove constraints from operand 0.
1709
1710 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1711
1712         * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
1713         rather than loadgp_noshared.
1714         * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
1715         instead of gen_loadgp_noshared.  Use gen_loadgp_newabi instead of
1716         gen_loadgp.
1717         * config/mips/mips.md (loadgp): Rename to...
1718         (loadgp_newabi): ...this.
1719         (loadgp_noshared): Rename to...
1720         (loadgp_absolute): ...this.
1721
1722 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1723
1724         * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
1725         false for locally-binding symbols.
1726         (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
1727
1728 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1729
1730         * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
1731         (SYMBOL_GOT_PAGE_OFST): ...this.
1732         (SYMBOL_GOT_GLOBAL): Rename to...
1733         (SYMBOL_GOT_DISP): ...this.
1734         (SYMBOL_GOTOFF_GLOBAL): Rename to...
1735         (SYMBOL_GOTOFF_DISP): ...this.  Update comments accordingly.
1736         * config/mips/mips.c (mips_global_symbol_p): New function.
1737         (mips_symbol_binds_local_p): Likewise.
1738         (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
1739         and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST.  Use mips_global_symbol_p
1740         and mips_symbol_binds_local_p.
1741         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
1742         (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
1743         SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
1744         SYMBOL_GOTOFF_DISP.
1745         (mips_ok_for_lazy_binding_p): New function.
1746         (mips_load_call_address, mips_expand_call): Use it.
1747         (mips_dangerous_for_la25_p): Likewise.
1748         * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
1749         (*got_disp<mode>): Use got_disp_operand instead of
1750         global_got_operand.  Use SYMBOL_GOTOFF_DISP instead of
1751         SYMBOL_GOTOFF_GLOBAL.
1752         (*got_page<mode>): Use got_page_ofst_operand instead of
1753         local_got_operand.
1754         * config/mips/predicates.md (const_call_insn_operand): Use
1755         SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
1756         (global_got_operand): Rename to...
1757         (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
1758         SYMBOL_GOT_GLOBAL.
1759         (local_got_operand): Rename to...
1760         (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
1761         of SYMBOL_GOT_LOCAL.
1762
1763 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1764
1765         * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
1766         TARGET_CALL_CLOBBERED_GP.
1767         (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1768         (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
1769         (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
1770         (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
1771         of TARGET_ABICALLS && !TARGET_NEWABI.
1772         (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1773         * config/mips/mips.c (mips_load_call_address): Check
1774         TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
1775         (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1776         Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
1777         (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
1778         TARGET_ABICALLS && TARGET_NEWABI.
1779         (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
1780         TARGET_ABICALLS.
1781         (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
1782         (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
1783         TARGET_ABICALLS && TARGET_NEWABI.
1784         (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
1785         TARGET_ABICALLS.  Check TARGET_CALL_SAVED_GP instead of
1786         TARGET_NEWABI.  Use TARGET_USE_PIC_FN_ADDR_REG to decide
1787         whether indirect calls must use $25.
1788         (mips_extra_live_on_entry): Check TARGET_GOT instead of
1789         TARGET_ABICALLS.
1790         * config/mips/mips.md (jal_macro): Check flag_pic and
1791         TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
1792         (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
1793         instead of TARGET_ABICALLS.
1794         (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
1795         TARGET_ABICALLS && TARGET_OLDABI.
1796         (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1797         (sibcall): In the comment above the define_insn, mention
1798         TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
1799         * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
1800         instead of TARGET_ABICALLS.
1801
1802 2007-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
1803
1804         * doc/md.texi (Blackfin family constraints): Document PA and PB.
1805         * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
1806         (MACFLAGS_MATCH_P): New macro.
1807         * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
1808         (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
1809         * config/bfin/bfin.md (MACFLAG_IS_M): New constant.  Renumber some of
1810         the other MACFLAG constants.
1811         (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
1812         (flag_machi): Tighten constraints.  Renumber some of the operands.
1813         (flag_machi_acconly): Tighten constraints.  Correct operand numbers in
1814         output template.
1815         (flag_machi_parts_acconly): New pattern.
1816         (flag_macinithi): Tighten constraints.  Allow any accumulator to be
1817         used.
1818         (flag_macinit1hi): Tighten constraints.
1819         (flag_mul_macv2hi_parts_acconly): New pattern.
1820
1821         * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
1822         Use a more efficient implementation.
1823         * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
1824         inline sequences when not optimizing for size.
1825
1826         * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
1827         movhi_high2low): Delete, merge functionality into...
1828         (packv2hi): ... this pattern.
1829
1830         2007-02-11  Jie Zhang  <jie.zhang@analog.com>
1831         * config/bfin/bfin.opt (msim): New option.
1832         (mcpu=): New option.
1833         * config/bfin/bfin-protos.h (enum bfin_cpu): New.
1834         (bfin_cpu_t): Typedef of enum bfin_cpu.
1835         (bfin_cpu_type): New declaration.
1836         * config/bfin/elf.h (STARTFILE_SPEC): Add support for
1837         -msim and -mcpu= options.
1838         (LIB_SPEC): Likewise.
1839         * config/bfin/bfin.c (bfin_cpu_type): Define.
1840         (bfin_handle_option): Handle -mcpu= option.
1841         * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
1842         (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
1843         __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
1844
1845 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1846
1847         * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
1848         (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
1849         (powerpc-wrs-vxworksae): Use ${tm_file}.
1850         (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
1851         after elfos.h.  Remove i386/sysv4.h and add i386/vx-common.h.
1852         * config/i386/vx-common.h: New file.
1853
1854 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1855
1856         * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
1857         of crt0.o%s.
1858
1859 2007-04-12  Andreas Krebbel  <krebbel1@de.ibm.com>
1860
1861         * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
1862         ldxtr.
1863
1864 2007-04-12  Douglas Gregor  <doug.gregor@gmail.com>
1865
1866         PR c++/31078
1867         PR c++/31103
1868         * c-common.c (c_build_qualified_type): Set canonical type
1869         appropriately.
1870
1871 2007-04-12  Richard Guenther  <rguenther@suse.de>
1872
1873         * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
1874         lower bound and element size if lower bound is not zero
1875         or either of the ARRAY_REF operands is set.
1876
1877 2007-04-12  Richard Guenther  <rguenther@suse.de>
1878
1879         PR tree-optimization/24689
1880         PR tree-optimization/31307
1881         * fold-const.c (operand_equal_p): Compare INTEGER_CST array
1882         indices by value.
1883         * gimplify.c (canonicalize_addr_expr): To be consistent with
1884         gimplify_compound_lval only set operands two and three of
1885         ARRAY_REFs if they are not gimple_min_invariant.  This makes
1886         it never at this place.
1887         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
1888
1889 2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1890
1891         * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
1892         null before emitting a .nsubspa directive.
1893
1894 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
1895
1896         * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
1897         need_to_partition_p if there are no memory statements in the
1898         function.
1899
1900 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
1901
1902         * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
1903         (gcd_of_steps_may_divide_p): New function.
1904         (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
1905
1906 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
1907
1908         * reload.c (find_reloads_toplev, find_reloads_address,
1909         find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
1910         not a pointer equality test, to decide if we need to call
1911         push_reg_equiv_alt_mem.
1912
1913 2007-04-11  Sebastian Pop  <sebastian.pop@inria.fr>
1914
1915         * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
1916         insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
1917         (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
1918
1919 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
1920
1921         * tree-data-ref.c (add_multivariate_self_dist): Force the distance
1922         vector to be positive.
1923
1924 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
1925
1926         PR 30735
1927         PR 31090
1928         * doc/invoke.texi: Document --params max-aliased-vops and
1929         avg-aliased-vops.
1930         * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
1931         debug_memory_partitions): Move to tree-flow.h
1932         * params.h (AVG_ALIASED_VOPS): Define.
1933         * tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
1934         users.
1935         (mp_info_t): Likewise.
1936         (get_mem_sym_stats_for): New.
1937         (set_memory_partition): Move from tree-flow-inline.h.
1938         (mark_non_addressable): Only clear the set of symbols for the
1939         partition if it exists.
1940         (dump_memory_partitions): Move from tree-ssa-operands.c
1941         (debug_memory_partitions): Likewise.
1942         (need_to_partition_p): New.
1943         (dump_mem_ref_stats): New.
1944         (debug_mem_ref_stats): New.
1945         (dump_mem_sym_stats): New.
1946         (debug_mem_sym_stats): New.
1947         (update_mem_sym_stats_from_stmt): New.
1948         (compare_mp_info_entries): New.
1949         (mp_info_cmp): Call it.
1950         (sort_mp_info): Change argument to a list of mem_sym_stats_t
1951         objects.
1952         (get_mpt_for): Move from tree-ssa-operands.c.
1953         (find_partition_for): New.
1954         (create_partition_for): Remove.
1955         (estimate_vop_reduction): New.
1956         (update_reference_counts): New.
1957         (build_mp_info): New.
1958         (compute_memory_partitions): Refactor.
1959         Document new heuristic.
1960         Call build_mp_info, update_reference_counts,
1961         find_partition_for and estimate_vop_reduction.
1962         (compute_may_aliases): Populate virtual operands before
1963         calling debugging dumps.
1964         (delete_mem_sym_stats): New.
1965         (delete_mem_ref_stats): New.
1966         (init_mem_ref_stats): New.
1967         (init_alias_info): Call it.
1968         (maybe_create_global_var): Remove alias_info argument.
1969         Get number of call sites and number of pure/const call sites
1970         from gimple_mem_ref_stats().
1971         (dump_alias_info): Call dump_memory_partitions first.
1972         (dump_points_to_info_for): Show how many times a pointer has
1973         been dereferenced.
1974         * opts.c (decode_options): For -O2 set --param
1975         max-aliased-vops to 500.
1976         For -O3 set --param max-aliased-vops to 1000 and --param
1977         avg-aliased-vops to 3.
1978         * fortran/options.c (gfc_init_options): Remove assignment to
1979         MAX_ALIASED_VOPS.
1980         * tree-flow-inline.h (gimple_mem_ref_stats): New.
1981         * tree-dfa.c (dump_variable): Dump memory reference
1982         statistics.
1983         Dump NO_ALIAS* settings.
1984         (referenced_var_lookup): Tidy.
1985         (mem_sym_stats): New.
1986         * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
1987         and ORIG are different SSA names for a memory partition.
1988         * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
1989         * tree-flow.h (struct mem_sym_stats_d): Define.
1990         (mem_sym_stats_t): Define.
1991         (struct mem_ref_stats_d): Define.
1992         (struct gimple_df): Add field mem_ref_stats.
1993         (enum noalias_state): Define.
1994         (struct var_ann_d): Add bitfield noalias_state.
1995         (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
1996         debug_mem_ref_stats, debug_memory_partitions,
1997         debug_mem_sym_stats): Declare.
1998         * tree-ssa-structalias.c (update_alias_info): Update call
1999         sites, pure/const call sites and asm sites in structure
2000         returned by gimple_mem_ref_stats.
2001         Remove local variable IS_POTENTIAL_DEREF.
2002         Increase NUM_DEREFS if the memory expression is a potential
2003         dereference.
2004         Call update_mem_sym_stats_from_stmt.
2005         If the memory references memory, call
2006         update_mem_sym_stats_from_stmt for all the direct memory
2007         symbol references found.
2008         (intra_create_variable_infos): Set noalias_state field for
2009         pointer arguments according to the value of
2010         flag_argument_noalias.
2011         * tree-ssa-structalias.h (struct alias_info): Remove fields
2012         num_calls_found and num_pure_const_calls_found.
2013         (update_mem_sym_stats_from_stmt): Declare.
2014         * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
2015         Set default value to 100.
2016         (PARAM_AVG_ALIASED_VOPS): Define.
2017
2018 2007-04-11  Richard Guenther  <rguenther@suse.de>
2019
2020         PR middle-end/31530
2021         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
2022         a * -b + c as c - a * b if we honor sign dependent rounding.
2023
2024 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
2025
2026         * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
2027         bfin_expand_strmov.
2028         * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
2029         bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
2030         variables.
2031         (initialize_trampoline): Don't use old-style function definition.
2032         (bfin_secondary_reload): Mark IN_P argument as unused.
2033
2034 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
2035
2036         PR tree-optimization/31343
2037         * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
2038         (build_polynomial_chrec): Return a scalar when the evolution is zero.
2039         * testsuite/gcc.dg/vect/pr31343.c: New.
2040
2041 2007-04-10  Eric Christopher  <echristo@apple.com>
2042
2043         * config/i386/i386.h (X87_FLOAT_MODE_P): New.
2044         * config/i386/i386.md (*cmpfp0): Use.
2045         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
2046         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
2047         (fix_trunc<mode>_i386_fisttp): Ditto.
2048         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
2049         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
2050         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
2051         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
2052         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
2053         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
2054         (unnamed_splitters): Ditto.
2055         * config/i386/i386.c (output_fix_trunc): Assert that
2056         we're not being passed a TFmode operand.
2057
2058 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
2059
2060         PR tree-optimization/31526
2061         * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
2062         n_basic_blocks to find newly added blocks.
2063
2064 2007-04-10  Uros Bizjak  <ubizjak@gmail.com>
2065
2066         * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
2067         alternative.
2068         (fix_trunc<mode>si_sse): Ditto.
2069         (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
2070         (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
2071         (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
2072         (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
2073         (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
2074         expander using SSEMODEF mode macro.
2075         (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
2076         expander using SSEMODEF mode macro.
2077         (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
2078         *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
2079         (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
2080         *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
2081         (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
2082         *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
2083         (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
2084         Macroize insn using X87MODEF mode macro.
2085
2086 2007-04-09  H.J. Lu  <hongjiu.lu@intel.com>
2087
2088         * config/i386/sse.md (sse2_pinsrw): Removed.
2089         (sse2_pextrw): Renamed to ...
2090         (*sse2_pextrw): This.
2091
2092 2007-04-09  Jan Hubicka  <jh@suse.cz>
2093
2094         PR target/27869
2095         * config/i386/sse.md
2096         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
2097         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
2098         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
2099         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
2100
2101 2007-04-09  Jan Hubicka  <jh@suse.cz>
2102
2103         * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
2104         multiple fields of union.
2105
2106 2007-04-09  Zdenek Dvorak  <dvorakz@suse.cz>
2107
2108         * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
2109         (create_preheaders): Check that loops are available.
2110         (fix_loop_structure): Clean up, improve comments.
2111         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
2112         Check that loops are available.  Set LOOP_CLOSED_SSA to the loops
2113         state flags.
2114         * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
2115         * predict.c (tree_estimate_probability): Do not call
2116         calculate_dominance_info.  Call create_preheaders.
2117         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
2118         rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
2119         flags.
2120         * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
2121         * cfgloop.h (LOOP_CLOSED_SSA): New constant.
2122         * tree-cfg.c (tree_split_edge): Make an assert more precise.
2123         * tree-ssa-threadedge.c (thread_across_edge): Comment the function
2124         arguments.
2125
2126 2007-04-08  Jan Hubicka  <jh@suse.cz>
2127
2128         * tree.h (maybe_fold_offset_to_component_ref): Declare.
2129         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
2130         * fold-const.c (fold_unary): Use it.
2131
2132 2007-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2133
2134         * varasm.c (assemble_variable): Remove call to
2135         lang_hooks.decls.prepare_assemble_variable.
2136         * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
2137         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
2138         * langhooks.h (lang_hooks_for_decls): Remove
2139         prepare_assemble_variable.
2140
2141 2007-04-08  Mike Stump  <mrs@apple.com>
2142
2143         * config/i386/i386.c: Use inc/dec on Core2.
2144
2145 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
2146
2147         * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
2148         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
2149         lhd_tree_inlining_end_inlining): Remove.
2150         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
2151         add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
2152         end_inlining hooks.
2153         * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
2154         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
2155         lhd_tree_inlining_end_inlining): Remove prototypes.
2156         (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
2157         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
2158         LANG_HOOKS_TREE_INLINING_START_INLINING,
2159         LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
2160
2161         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
2162         not set it.
2163
2164 2007-04-08  Anatoly Sokolov <aesok@post.ru>
2165
2166         PR target/29932
2167         * config/avr/predicates.md (io_address_operand): Delete predicate.
2168         (low_io_address_operand): Don't use 'mode' argument.
2169         (higth_io_address_operand): Rename ...
2170         (high_io_address_operand): ... to this. Don't use 'mode' argument.
2171         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
2172         for above change.
2173
2174 2007-04-07  Daniel Berlin  <dberlin@dberlin.org>
2175
2176         Revert change removing staticp.
2177
2178 2007-04-07  Anatoly Sokolov <aesok@post.ru>
2179
2180         PR target/30289
2181         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
2182         earlyclobber.
2183
2184 2007-04-07  Bruce Korb  <bkorb@gnu.org>
2185
2186         * c.opt: Add -Wformat-contains-nul.
2187         * c-format.c (set_Wformat):  Set warn_format_contains_nul to the
2188           -Wformat setting.
2189         (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
2190         the NUL byte warning.
2191
2192 2007-04-07  H.J. Lu  <hongjiu.lu@intel.com>
2193
2194         * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
2195
2196 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
2197
2198         * tree.c (staticp): No longer use staticp langhook.
2199         * langhooks.c (lhd_staticp): Removed.
2200         * langhooks.h (struct lang_hooks): Remove staticp.
2201         * c-common.c (c_staticp): Remove.
2202         * c-common.h (c_staticp): Ditto.
2203         * langhooks-defs.h (lhd_staticp): Ditto.
2204         (LHD_HOOKS_STATICP): Ditto
2205         * tree.h (gcc_assert_lowered): New macro.
2206
2207 2007-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
2208
2209         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
2210         argument "reliable".
2211         (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
2212         Add argument "reliable".  Propagate it through calls.
2213         (infer_loop_bounds_from_undefined):  Derive number of iterations
2214         estimates from references in blocks that do not dominate loop latch.
2215         (gcov_type_to_double_int): New function.
2216         (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
2217         and expected_loop_iterations_unbounded.
2218         * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
2219         (expected_loop_iterations): Use expected_loop_iterations_unbounded.
2220         * tree-data-ref.c (estimated_loop_iterations): Export.
2221         (get_references_in_stmt): Fix -- do not return addresses of local
2222         objects.
2223         * cfgloop.h (expected_loop_iterations_unbounded,
2224         estimated_loop_iterations): Declare.
2225
2226 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
2227
2228         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
2229
2230 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
2231
2232         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
2233         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
2234         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
2235         Use output_387_reg_move().
2236         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
2237         expander using X87MODEF12 mode macro.
2238         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
2239         choosing register preferences.  Use output_387_reg_move().
2240         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
2241         instead of "x".  Use output_387_reg_move().
2242         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
2243         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
2244         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
2245         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
2246         Use output_387_reg_move().
2247         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
2248         mode macro.
2249         (*truncxf?f_i387 splitter): Ditto.
2250
2251 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
2252
2253         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
2254         LANG_HOOKS_SAFE_FROM_P.
2255         * expr.c (safe_from_p): Remove langhook call.
2256         * langhooks.h (lang_hooks): Remove safe_from_p.
2257         (lhd_safe_from_p): Remove prototype.
2258         * langhooks.c (lhd_safe_from_p): Remove.
2259
2260 2007-04-06  Jan Hubicka  <jh@suse.cz>
2261
2262         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
2263         functions.
2264
2265 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
2266
2267         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
2268         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
2269         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
2270         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
2271         alternative.
2272         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
2273         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
2274
2275 2007-04-05  Richard Henderson  <rth@redhat.com>
2276
2277         * config/alpha/alpha.c (print_operand) [+]: Remove.
2278         (alpha_end_function): Print nop if call at end of function.
2279         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
2280         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
2281         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
2282         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
2283         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
2284         the call pattern. Update peepholes to match.
2285
2286 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
2287
2288         * doc/extend.texi (Other Builtins): Add decimal float variants
2289         of signbit.
2290         * builtins.def: Ditto.
2291         * builtins.c (expand_builtin): Ditto.
2292
2293 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
2294             H.J. Lu  <hongjiu.lu@intel.com>
2295
2296         PR target/31478
2297         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
2298         of V8HImode when calling ix86_binary_operator_ok.
2299         (sse2_pmaddwd): Call ix86_binary_operator_ok.
2300         (sdot_prodv8hi): Operands 1 and 2 must be register.
2301
2302 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
2303
2304         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
2305         initialize align to silence bogus warning.
2306
2307 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
2308
2309         PR middle-end/22156
2310         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
2311         all_no_warning.
2312         (struct sra_walk_fns): Remove use_all parameter from use.
2313         (sra_hash_tree): Handle BIT_FIELD_REFs.
2314         (sra_elt_hash): Don't hash bitfld blocks.
2315         (sra_elt_eq): Skip them in parent compares as well.  Handle
2316         BIT_FIELD_REFs.
2317         (sra_walk_expr): Don't maintain or pass down use_all_p.
2318         (scan_use): Remove use_all parameter.
2319         (scalarize_use): Likewise.  Re-expand assignment to
2320         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
2321         output, and re-scalarize after output.  Don't mark anything
2322         for no warning.
2323         (scalarize_ldst): Adjust.
2324         (scalarize_walk_gimple_modify_statement): Likewise.
2325         (build_element_name_1): Handle BIT_FIELD_REFs.
2326         (instantiate_element): Don't warn for any element whose parent
2327         is used as a whole.
2328         (instantiate_missing_elements_1): Return the sra_elt.
2329         (canon_type_for_field): New.
2330         (try_instantiate_multiple_fields): New.
2331         (instantiate_missing_elemnts): Use them.
2332         (mark_no_warning): Removed.
2333         (generate_one_element_ref): Handle BIT_FIELD_REFs.
2334         (REPLDUP, sra_build_elt_assignment): New.
2335         (generate_copy_inout): Use them.
2336         (generate_element_copy): Likewise.  Handle bitfld differences.
2337         (generate_element_zero): Don't recurse for blocks.  Use
2338         sra_build_elt_assignment.
2339         (generate_one_element_int): Take elt instead of var.  Use
2340         sra_build_elt_assignment.
2341         (generate_element_init_1): Adjust.
2342         (scalarize_use, scalarize_copy): Use REPLDUP.
2343         (scalarize_ldst): Move assert before dereference.
2344         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
2345
2346 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
2347
2348         * regmove.c: Fix unused variable warnings due to previous commit.
2349
2350 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
2351
2352         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
2353         (regmove_bb_head): Remove.
2354         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
2355         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
2356         problems with fixup_match_1.
2357         Don't initialize/free regmove_bb_head.
2358
2359         (reg_is_remote_constant_p): If an insn is in the same basic block
2360         but not before INSN, consider it remote, too.
2361
2362 2007-04-05  Anatoly Sokolov <aesok@post.ru>
2363
2364         PR target/25448
2365         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
2366         DECL_ASSEMBLER_NAME, not the DECL_NAME.
2367
2368 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
2369
2370         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
2371         (CONDITIONAL_REGISTER_USAGE): Likewise.
2372
2373 2007-04-04  Richard Henderson  <rth@redhat.com>
2374
2375         * config/alpha/lib1funcs.asm: Remove unused file.
2376
2377 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2378
2379         PR other/31356
2380         * opts.c (print_specific_help): Fix --help=<language>
2381         header line.
2382         (common_handle_option): Support --help=common.
2383
2384 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2385
2386         PR other/31353
2387         * gcc.c (main): Do not run the linker if
2388         print_subprocess_help indicates that it shouldn't be
2389         run.
2390
2391 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2392
2393         PR doc/31355
2394         * doc/invoke.texi (--help=): Document <languages> value, fix
2395         formatting in tables of values.
2396
2397 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
2398
2399         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
2400         dllimport attribute of virtual methods.
2401
2402 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
2403
2404         * config/score/crti.asm: Change _bss_start to __bss_start.
2405         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
2406         (OUTGOING_REG_PARM_STACK_SPACE) update.
2407         * config/score/score.opt: add options to make backend support
2408         score5, score5u, score7 and score7d.
2409         * config/score/score.md: Likewise.
2410         * config/score/misc.md: Likewise.
2411         * config/score/mac.md: Likewise.
2412         * doc/invoke.texi: Likewise.
2413         * doc/md.texi: update constraints define.
2414
2415 2007-04-03  Richard Henderson  <rth@redhat.com>
2416
2417         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
2418         an appropriate type, use the mode instead.
2419
2420 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
2421
2422         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
2423         Set the default --with-arch setting to mips2.
2424         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
2425         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
2426         (MULTILIB_OSDIRNAMES): Delete.
2427         (MULTILIB_DIRNAMES): Define.
2428         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
2429         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
2430         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
2431         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
2432         VXWORKS_OS_CPP_BUILTINS.
2433         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
2434         (MIPS_DEBUGGING_INFO): Undefine.
2435         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
2436
2437 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
2438
2439         PR middle-end/30704
2440         * fold-const.c (native_encode_real): Encode real.c provided longs
2441         as a series of 32-bit native integers.
2442         (native_interpret_real): Interpret buffer as a series of 32-bit
2443         native integers.
2444
2445 2007-04-03  Richard Guenther  <rguenther@suse.de>
2446
2447         * genpreds.c (write_insn_constraint_len): Write function
2448         optimized for CONSTRAINT_LEN implementation.
2449         (write_tm_preds_h): Output insn_constraint_len inline and
2450         use it for CONSTRAINT_LEN.
2451         (write_insn_preds_c): Don't output insn_constraint_len.
2452         * doc/md.texi (define_register_constraint): Document multi-letter
2453         constraints shall have the same length if they start with the same
2454         letter.
2455
2456 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
2457
2458         PR target/31175
2459         * config/i386/i386.md (isinf<mode>2): Expand only when
2460         TARGET_C99_FUNCTIONS is set.
2461
2462 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
2463
2464         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
2465         (x86_64-*-linux*): Ditto.
2466         * config/i386/i386.opt (mpc): New option.
2467         * config/i386/i386.c (overrride_options): Handle
2468         ix87_precision_string.
2469         * config/i386/crtprec.c: New file.
2470         * config/i386/t-crtpc: Ditto.
2471         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
2472         and -mpc80 options.
2473         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
2474         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
2475         crtprec32.o, crtprec64.o and crtprec80.o.
2476
2477         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
2478         and -mpc80 options.
2479         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
2480
2481 2007-04-02  Eric Christopher  <echristo@apple.com>
2482
2483         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
2484         limitations on darwin.
2485
2486 2007-04-02  Anatoly Sokolov <aesok@post.ru>
2487
2488         PR target/31137
2489         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
2490
2491 2007-04-02  Dave Korn  <dave.korn@artimi.com>
2492
2493         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
2494
2495 2007-04-02  Dave Korn  <dave.korn@artimi.com>
2496
2497         * libgcc2.h (exception_descriptor): Don't forward-declare.
2498         (__get_eh_table_language, __get_eh_table_version): Delete
2499         prototypes of long-dead functions.
2500
2501 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
2502
2503         * ebitmap.h: New file
2504         * ebitmap.c: New file
2505         * Makefile.in (ebitmap.o): New target.
2506
2507 2007-04-01  Jan Hubicka  <jh@suse.cz>
2508
2509         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
2510         before very first instruction.
2511
2512 2007-04-01  Jan Hubicka  <jh@suse.cz>
2513
2514         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
2515         waring on 64bit hosts.
2516         * bitmap.h: Fix typo in bitmap_head_def.
2517
2518 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
2519
2520         PR rtl-optimization/31391
2521         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
2522         into a DELETED_LABEL note, and the label is in an empty basic
2523         block, update BB_END as well as BB_HEAD.
2524
2525 2007-04-01  Richard Henderson  <rth@redhat.com>
2526
2527         PR tree-optimization/31169
2528         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
2529         to varying if the range is outside [0,  prec-1].
2530
2531 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
2532
2533         PR target/31388
2534         * config/mips/mips.md (load_const_gp): New insn.
2535         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
2536         the MIPS16 GP pseudo register if no_new_pseudos.
2537         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
2538
2539 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2540
2541         PR target/31364
2542         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
2543         secureplt.
2544         (call_value): Likewise.
2545
2546 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
2547             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2548
2549         PR 14737
2550         * doc/invoke.texi: (optimization options): Reword description
2551         of -ffast-math. Document its primary purpose.
2552
2553 2007-03-31  Richard Guenther  <rguenther@suse.de>
2554
2555         * omp-low.c (splay-tree.h): Include.
2556         (lookup_decl): Replace splay-tree usage by pointer-map.
2557         (maybe_lookup_decl): Likewise.
2558         (new_omp_context): Likewise.
2559         (delete_omp_context): Likewise.
2560         * gimplify.c (splay-tree.h): Include.
2561         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
2562         pointer-map.
2563         (remap_ssa_name): Likewise.
2564         (remap_decl): Likewise.
2565         (remap_type_1): Likewise.
2566         (remap_type): Likewise.
2567         (copy_body_r): Likewise.
2568         (expand_call_inline): Likewise.
2569         (clone_body): Likewise.
2570         (copy_tree_r): Likewise.
2571         (remap_save_expr): Likewise.
2572         (unsave_r): Likewise.
2573         (unsave_expr_now): Likewise.
2574         (tree_function_versioning): Likewise.
2575         (build_duplicate_type): Likewise.
2576         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
2577         (struct copy_body_data): Replace splay-tree by pointer-map.
2578         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
2579         not $(SPLAY_TREE_H).
2580         (gimplify.o): Depend on $(SPLAY_TREE_H).
2581         (omp-low.p): Likewise.
2582
2583 2007-03-31  Anatoly Sokolov <aesok@post.ru>
2584
2585         * config/avr/predicates.md (even_register_operand,
2586         odd_register_operand): New predicates.
2587         * config/avr/avr.md (movw peephole2): New.
2588         (movw_r peephole2): New.
2589
2590 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
2591
2592         * tree.h (get_signed_or_unsigned_type): New.
2593         * fold-const.c (operand_equal_for_comparison_p): Use
2594         get_signed_or_unsigned_type instead of
2595         lang_hooks.types.signed_or_unsigned_type.
2596         * expr.c (store_expr): Ditto.
2597         * langhooks.c (get_signed_or_unsigned_type): New.
2598         (lhd_signed_or_unsigned_type): New.
2599         * langhooks.h (lhd_signed_or_unsigned_type): New.
2600         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
2601
2602 2007-03-30  Richard Henderson  <rth@redhat.com>
2603
2604         * tree-ssa-loop-ivopts.c: Include target.h.
2605         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
2606         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
2607         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
2608         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
2609
2610 2007-03-30  Richard Henderson  <rth@redhat.com>
2611             Kai Tietz  <kai.tietz@onevision.com>
2612
2613         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
2614         default for 64-bit.
2615         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
2616         (TARGET_64BIT_MS_ABI): New.
2617         (DBX_REGISTER_NUMBER): Handle 64-bit.
2618         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
2619         (LONG_TYPE_SIZE): Force to 32.
2620         (REG_PARM_STACK_SPACE): New.
2621         (OUTGOING_REG_PARM_STACK_SPACE): New.
2622         (REGPARM_MAX, SSE_REGPARM_MAX): New.
2623         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
2624         (STACK_BOUNDARY): Use 128 for 64-bit.
2625         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
2626         Add 64-bit implementation.
2627         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
2628         argument unused.
2629         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
2630         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
2631         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
2632         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
2633         (ix86_handle_cconv_attribute): Don't warn when ignoring if
2634         TARGET_64BIT_MS_ABI.
2635         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
2636         (ix86_pass_by_reference): Likewise.
2637         (ix86_function_value_regno_p): Likewise.
2638         (ix86_build_builtin_va_list): Likewise.
2639         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
2640         (function_arg_advance_ms_64): New.
2641         (function_arg_advance): Call it.
2642         (function_arg_ms_64): New.
2643         (function_arg): Call it.
2644         (function_value_ms_64): New.
2645         (ix86_function_value_1): Call it.
2646         (return_in_memory_ms_64): New.
2647         (ix86_return_in_memory): Call it.
2648         (setup_incoming_varargs_ms_64): New.
2649         (ix86_setup_incoming_varargs): Call it.
2650         (ix86_expand_prologue): Handle 64-bit stack probing.
2651         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
2652         (output_pic_addr_const): Likewise.
2653         (x86_this_parameter): Likewise.
2654         (x86_output_mi_thunk): Likewise.
2655         (x86_function_profiler): Likewise.
2656         (TARGET_STRICT_ARGUMENT_NAMING): New.
2657         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
2658         (TARGET_64BIT_MS_ABI): New.
2659         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
2660         * config/i386/i386.md (allocate_stack_worker): Remove.
2661         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
2662         describe the clobber of eax without a match_scratch.
2663         (allocate_stack_worker_postreload): Remove.
2664         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
2665         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
2666         (allocate_stack_worker_rex64_postreload): Remove.
2667         (allocate_stack): Handle 64-bit.
2668         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
2669         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
2670         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
2671         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
2672         (STANDARD_STARTFILE_PREFIX_1): Likewise.
2673         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
2674         * config.build (x86_64-*-mingw*): New host.
2675         * config.host (x86_64-*-mingw*): New host.
2676         * config.gcc (x86_64-*-mingw*): New target.
2677         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
2678
2679 2007-03-30  Richard Henderson  <rth@redhat.com>
2680             Kai Tietz  <kai.tietz@onevision.com>
2681
2682         * c-pragma.c (struct def_pragma_macro_value): New.
2683         (struct def_pragma_macro): New.
2684         (pushed_macro_table): New.
2685         (dpm_hash, dpm_eq): New.
2686         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
2687         (init_pragma): Install them.
2688         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
2689
2690 2007-03-30  Anatoly Sokolov <aesok@post.ru>
2691
2692         * config/avr/avr.c (avr_override_options): Clear
2693         'flag_delete_null_pointer_checks'.
2694
2695 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
2696
2697         PR c++/26099
2698         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
2699         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
2700         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
2701         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
2702         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
2703         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
2704         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
2705         C++ extensions.
2706         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
2707
2708 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
2709
2710         * regmove.c: Move all of pass_stack_adjustments from here...
2711         * combine-stack-adj.c: ...to this new file.
2712         * Makefile.in: Add rules for combine-stack-adj.o.
2713
2714 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
2715
2716         PR tree-optimization/31383
2717         * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
2718         to have the same length.
2719
2720 2007-03-30  Jan Hubicka  <jh@suse.cz>
2721
2722         PR middle-end/30700
2723         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
2724         availablility; add more sanity checking; ask varpool only about
2725         VAR_DECL.
2726
2727 2007-03-29  Richard Henderson  <rth@redhat.com>
2728
2729         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
2730         to decide, but __SIZEOF_LONG_LONG__.
2731
2732 2007-03-29  Richard Henderson  <rth@redhat.com>
2733
2734         * emutls.c (struct __emutls_array): New.
2735         (emutls_destroy): Use it instead of casting element 0 from void*.
2736         (__emutls_get_address): Likewise.
2737
2738 2007-03-29  Richard Henderson  <rth@redhat.com>
2739
2740         * varasm.c (initializer_constant_valid_p): Don't deny
2741         DECL_DLLIMPORT_P on functions.
2742
2743         * config/i386/cygming.h: Remove function declarations.
2744         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
2745         (ASM_OUTPUT_LABELREF): Remove.
2746         (COMMON_ASM_OP): Remove.
2747         (ASM_OUTPUT_COMMON): Remove.
2748         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
2749         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
2750         (ASM_DECLARE_FUNCTION_NAME): Likewise.
2751         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
2752         Rename from TARGET_ENCODE_SECTION_INFO.
2753         * config/i386/netware.h: Likewise.
2754         * config/i386/i386-protos.h: Update.
2755         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
2756         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
2757         (legitimate_constant_p): Reject dllimports.
2758         (dllimport_map, get_dllimport_decl): New.
2759         (legitimize_dllimport_symbol): New.
2760         (legitimize_address, ix86_expand_move): Use it.
2761         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
2762         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
2763         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
2764         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
2765         * config/i386/predicates.md (constant_call_address_operand): Only
2766         accept symbols; reject dllimport_p symbols.
2767         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
2768         i386_pe_maybe_record_exported_symbol.
2769         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
2770         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
2771         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
2772         trust the setting of DECL_DLLIMPORT_P.
2773         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
2774         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
2775         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
2776         tidy the argument scanning loop.
2777         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
2778         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
2779         (i386_pe_strip_name_encoding): Remove.
2780         (i386_pe_binds_local_p): New.
2781         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
2782         (i386_pe_output_labelref): Remove.
2783         (i386_pe_asm_output_aligned_decl_common): New.
2784         (i386_pe_maybe_record_exported_symbol): Rename from
2785         i386_pe_record_exported_symbol; check for dllexported symbols.
2786
2787 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
2788
2789         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
2790         add comment explaining why vsnprintf cannot be used.
2791
2792 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
2793
2794         PR tree-optimization/30666
2795         * tree.c (build_complex_type): When creating type names for DWARF2
2796         debug info, create TYPE_DECLs for TYPE_NAME instead of
2797         IDENTIFIER_NODEs.
2798         (build_common_tree_nodes_2): Use build_complex_type when building
2799         predefined complex types, to preserve canonical types.
2800
2801 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
2802
2803         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
2804         (noce_get_alt_condition): Look at it to determine whether to
2805         reverse the condition or not.
2806         (noce_get_condition): Substitute the truth for lies.
2807         (noce_find_if_block): Set the then_else_reversed field.
2808
2809 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
2810
2811         * config/fr30/fr30.md (movdi): Do not accept immediates as the
2812         destination of this insn.
2813         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
2814         than calling gen_rtx_SET directly.  Use r0 to hold the value of
2815         'address + 4' rather than a stack based temporary which can be
2816         mis-optimized away.
2817
2818 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
2819
2820         * config/s390/s390.c (s390_secondary_input_reload_class,
2821         s390_secondary_output_reload_class): Functions removed.
2822         (s390_secondary_reload): New function.
2823         (TARGET_SECONDARY_RELOAD): Target macro defined.
2824         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
2825         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
2826         * config/s390/s390.md ("reload_outti", "reload_outdi",
2827         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
2828         "reload_out<mode>"): Expanders removed.
2829         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
2830         "reload<mode>_nonoffmem_out"): Expanders added.
2831
2832 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
2833
2834         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
2835         SRC->DEST replacement failed anyway.
2836
2837 2007-03-28  Mike Stump  <mrs@apple.com>
2838
2839         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
2840         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
2841         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
2842
2843 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
2844
2845         * config.gcc: Accept barcelona as a variant of amdfam10.
2846         * config/i386/i386.c (override_options): Likewise.
2847         * doc/invoke.texi: Likewise.
2848
2849 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
2850
2851         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
2852         offsets for BIT_FIELD_REF and COMPONENT_REF.
2853
2854 2007-03-28  Richard Guenther  <rguenther@suse.de>
2855
2856         * tree.c (is_global_var): Move ...
2857         * tree-flow-inline.h (is_global_var): ... here.
2858         * tree.h (is_global_var): Remove declaration.
2859
2860 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
2861
2862         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
2863         option.
2864         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
2865         * config/i386/i386.c (ix86_tune_features): Initialize new
2866         tuning option.
2867         * config/i386/predicates.md (promotable_binary_operator): Use
2868         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
2869
2870 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
2871
2872         PR target/31380
2873         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
2874
2875 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
2876
2877         * config/fr30/fr30.md (movsi_internal): Change destination
2878         constraint from m to V and add m to the end.
2879
2880 2007-03-28  Christian Bruel  <christian.bruel@st.com>
2881
2882         * config/sh/sh.md (movsi_i): Fix type attribute.
2883
2884 2007-03-28  Christian Bruel  <christian.bruel@st.com>
2885
2886         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
2887         (movsf_ie): Likewise.
2888
2889 2007-03-28  Christian Bruel  <christian.bruel@st.com>
2890
2891         * config.gcc: Add sh4-300 to multilib.
2892         * config/sh/t-mlib-sh4-300: New file.
2893
2894 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
2895
2896         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
2897         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
2898         fix_trunc<mode>di2.
2899         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
2900         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
2901         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
2902         "fixuns_trunctddi2"): Whitespace fix.
2903
2904 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
2905
2906         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
2907         the definition of struct sh_args.
2908         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
2909         CALL_COOKIE_INT_REG_GET): Likewise.
2910
2911 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
2912
2913         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
2914         transformations are applied successfully.
2915
2916 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
2917
2918         * tree.c (tree_contains_struct): Permit 512 tree codes.
2919         * tree.h (tree_contains_struct): Ditto.
2920         (MAX_TREE_CODES): Ditto.
2921         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
2922         SPARE member to store remaining padding bits.
2923
2924 2007-03-27  Anatoly Sokolov <aesok@post.ru>
2925
2926         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
2927         architecture.
2928
2929 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
2930
2931         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
2932         * configure: Regenerate.
2933
2934         * configure: Regenerate using the correct version of autoconf.
2935
2936 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
2937
2938         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
2939         pointer regs.
2940         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
2941         regs to "__SP_L__" and "__SP_H__".
2942
2943 2007-03-27  Richard Guenther  <rguenther@suse.de>
2944
2945         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
2946         computations with it with a HOST_WIDE_INT variable.
2947
2948 2007-03-26  Mike Stump  <mrs@apple.com>
2949
2950         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
2951         objective-c-header, objective-c++-header and objc++-cpp-output
2952         support.
2953         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
2954
2955 2007-03-26  Richard Henderson  <rth@redhat.com>
2956
2957         PR target/31361
2958         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
2959         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
2960         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
2961         IX86_BUILTIN_PSRLQ128): New.
2962         (ix86_init_mmx_sse_builtins): Add them.
2963         (ix86_expand_builtin): Expand them.
2964         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
2965         operand 2 be TImode.
2966         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
2967         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
2968         _mm_srli_epi64): Mark __B const.
2969         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
2970         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
2971         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
2972         new two-vector shift builtins.
2973
2974 2007-03-26  Ian Lance Taylor  <iant@google.com>
2975
2976         PR tree-optimization/31345
2977         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
2978         [+INF, +INF(OVF)] into VARYING.
2979
2980 2007-03-26  Zack Weinberg  <zackw@panix.com>
2981
2982         * gengtype-parse.c: New file.
2983         * gengtype-yacc.y: Delete.
2984         * gengtype-lex.l: Don't include gengtype-yacc.h.
2985         Define YY_DECL and yyterminate appropriately for recursive
2986         descent parser.  yylval is now a string out-parameter to yylex.
2987         (HWS, EOID): New shorthand.
2988         (IWORD): Add a couple more types.
2989         (yylex): Add a setup stanza.  Remove the complex rules for
2990         detecting GTY'ed types and typedefs; replace with simple
2991         keyword detectors.  Adjust everything for the changed
2992         definition of yylval.  Ignore all pp-directives, not just #define.
2993         (yyerror): Delete.
2994         (parse_file): Rename yybegin; do not call yyparse.
2995         (yyend): New.
2996         * gengtype.c (xasprintf): Export again.
2997         (this_file): New.  Use everywhere __FILE__ was being used.
2998         (get_lang_bitmap): Special case types defined in gengtype.c.
2999         (do_typedef, new_structure): Suppress definition of certain types.
3000         (new_structure): Improve diagnostics of duplicate definitions.
3001         Make sure location_s is associated with input.h.
3002         (nreverse_pairs, define_location_structures): New functions.
3003         (main): Improve tagging of kludge types.  Remove old kludges
3004         for input.h types; use define_location_structures.
3005         * gengtype.h: Update prototypes.  Define token codes here.
3006         * Makefile.in: Remove all references to gengtype-yacc.
3007         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
3008         and gengtype.
3009         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
3010         add GTY((skip)) to the field that's only conditionally there.
3011         * doc/install.texi: Document that Bison is no longer required
3012         unless building treelang.
3013
3014         * gengtype.c: Don't include gtyp-gen.h.
3015         (srcdir): Declare here.
3016         (base_files, lang_dir_names): Allocate dynamically.
3017         (gt_files, num_gt_files, num_lang_dirs): New globals.
3018         (measure_input_list, read_input_line, read_input_list)
3019         (set_lang_bitmap): New functions.
3020         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
3021         simplify, relying on read_input_list to set up the bitmaps.
3022         (main): Arguments are no longer unused.  Check for correct number
3023         of command line arguments, set srcdir and srcdir_len, then call
3024         read_input_list, before doing anything else.  No need to worry
3025         about duplicates in main loop.
3026         * configure.ac: Simplify the calculation of all_gtfiles.
3027         Put language tags in there.  Don't set or substitute
3028         all_gtfiles_files_langs or all_gtfiles_files_frags.
3029         * Makefile.in: Revamp the way gengtype is invoked, now that it
3030         takes a file on its command line with a much simpler format.
3031         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
3032         (GTFILES): Remove duplicates and C source files.
3033         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
3034         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
3035         * configure: Regenerate.
3036
3037         * gengtype.h: Remove all type definitions to gengtype.c; leave
3038         only definitions of options_p, type_p, and pair_p as opaque
3039         pointers.  Update prototypes.
3040         * gengtype.c: Many type definitions moved here from gengtype.h.
3041         Consolidate type definitions at the top of the file.
3042         (xvasprintf): Delete.
3043         (xasprintf): Make static.
3044         (create_nested_pointer_option): Add 'next' parameter.
3045         (create_field_all, create_field_at): New functions.
3046         (create_field): Now a thin wrapper around create_field_all.
3047         (create_optional_field): Rename create_optional_field_ and add
3048         line argument.  Original name is now a macro which supplies
3049         __LINE__.
3050         (oprintf): Use vsnprintf directly.
3051         (close_output_files): Use fatal rather than perror/exit.
3052         (note_def_vec, note_def_vec_alloc): Use create_field_at.
3053         (main): Set progname.  Don't use exit.
3054         * gengtype-yacc.y (struct_fields): Use create_field_at.
3055         (option, optionseqopt): Delete.
3056         (optionseq): Consolidate productions from option here so we
3057         can use the first argument to create_option.
3058
3059         * gengtype-lex.l: Distinguish unions from structures in the
3060         token type.  Don't call find_structure; return the tag as a string.
3061         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
3062         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
3063         Reorganize typedef_struct production accordingly.
3064         Use create_nested_ptr_option.
3065         * gengtype.c (create_nested_ptr_option): New function.
3066         * gengtype.h: Declare it.
3067
3068         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
3069         (string_type): Don't declare.
3070         (do_scalar_typedef): Declare.
3071         (create_scalar_type): Update prototype.
3072         * gengtype.c (string_type): Make static.
3073         (scalar_nonchar, scalar_char): New.
3074         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
3075         (resolve_typedef): Use scalar_nonchar for error recovery.
3076         (create_scalar_type): Remove name_len field.  Return scalar_char
3077         or scalar_nonchar as appropriate.
3078         (adjust_field_type): Look at scalar_is_char boolean to decide whether
3079         to use string_type.
3080         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
3081         whenever possible.
3082         (main): Initialize scalar_char and scalar_nonchar before calling
3083         gen_rtx_next.
3084         * gengtype-lex.l: Adjust for removal of second argument to
3085         create_scalar_type.  Use yylval.s instead of yylval.t when
3086         returning SCALAR.
3087         * gengtype-yacc.y: Type of SCALAR is string.  Call
3088         create_scalar_type from type:SCALAR rule.  Adjust for removal of
3089         second argument to create_scalar_type.
3090
3091         * vec.h: Remove all #if IN_GENGTYPE blocks.
3092         Add comment saying that changes may require adjustments to gengtype.
3093         * gengtype.c: Don't include coretypes.h or tm.h.
3094         Add comment to inclusion of errors.h.
3095         (note_def_vec, note_def_vec_alloc): New functions.
3096         * gengtype.h: Declare new functions.
3097         * gengtype-lex.l: Don't include coretypes.h.
3098         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
3099         Delete.
3100         (update_lineno): Remove unnecessary prototype.
3101         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
3102         (VEC rule): Just return VEC_TOKEN.
3103         * gengtype-yacc.y (VEC_TOKEN): New token type.
3104         (type): Add a production for VEC(a,b).
3105         * Makefile.in: Update dependencies.
3106
3107         * gengtype-lex.l: Remove rules for parsing pointer-to-function
3108         typedefs that use the old PARAMS macro.
3109
3110         * gengtype-lex.l: Remove all rules and states relating to yacc
3111         input files.
3112         * gengtype-yacc.y: Similarly.
3113         * gengtype.c (note_yacc_type): Delete function.
3114         * gengtype.h: Update prototypes.
3115
3116 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
3117
3118         * tree-pretty-print.c (dump_generic_node): Report precision of
3119         unnamed integer types.
3120
3121 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
3122
3123         * ifcvt.c (noce_try_store_flag_constants): Don't check
3124         no_new_pseudos here.
3125         (noce_try_store_flag_constants): Don't check no_new_pseudos.
3126         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
3127         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
3128         noce_try_sign_mask): Likewise.
3129         (if_convert): Check no_new_pseudos here.
3130
3131         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
3132         Remove prototypes.
3133         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
3134         (noce_get_condition): Handle new then_else_reversed argument.
3135         (noce_init_if_info): Remove, fold into noce_find_if_block.
3136         (noce_process_if_block): Take a struct noce_if_info as the
3137         argument.  Don't set up one based on ce_if_info.  Update pointer
3138         references accordingly.
3139         (cond_move_process_if_block): Likewise.
3140         (process_if_block): Removed.
3141         (find_if_block): Removed.  Move functionality two new functions,
3142         noce_find_if_block and cond_exec_find_if_block.
3143         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
3144         blocks and the symmetric IF-ELSE-JOIN case.
3145         (cond_exec_find_if_block): Also new function mostly based on old
3146         find_if_block and process_if_block.
3147         (find_if_header): Replace find_if_block call with separately
3148         guarded calls to noce_find_if_block and cond_exec_find_if_block.
3149         (find_cond_trap): Update noce_get_condition call.
3150         (dead_or_predicable): Likewise.
3151
3152 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
3153
3154         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
3155         Remove.
3156         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
3157         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
3158         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
3159         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
3160         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
3161         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
3162         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
3163         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
3164         __builtin_ia32_psrad128 builtins.
3165
3166 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
3167
3168         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
3169         * config/i386/constraints.md
3170         (define_constraint "I"): Use IN_RANGE macro.
3171         (define_constraint "J"): Ditto.
3172         (define_constraint "K"): Ditto.
3173         (define_constraint "M"): Ditto.
3174         (define_constraint "N"): Ditto.
3175         (define_constraint "O"): Ditto.
3176         * config/i386/predicates.md
3177         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
3178         (define_predicate "const_0_to_3_operand"): Ditto.
3179         (define_predicate "const_0_to_7_operand"): Ditto.
3180         (define_predicate "const_0_to_15_operand"): Ditto.
3181         (define_predicate "const_0_to_63_operand"): Ditto.
3182         (define_predicate "const_0_to_255_operand"): Ditto.
3183         (define_predicate "const_1_to_31_operand"): Ditto.
3184         (define_predicate "const_2_to_3_operand"): Ditto.
3185         (define_predicate "const_4_to_7_operand"): Ditto.
3186
3187 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
3188
3189         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
3190         in SImode for save_world.
3191         * config/rs6000/altivec.md (save_world, restore_world): Convert to
3192         LR hard reg.
3193
3194 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
3195
3196         PR tree-optimization/30784
3197         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
3198         BIT_FIELD_REF.
3199
3200 2007-03-25  Revital Eres  <eres@il.ibm.com>
3201
3202         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
3203           Fold movement_possibility function into it.
3204
3205 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
3206
3207         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
3208         (load_macho_picbase_{si,di}): Convert to LR hard reg.
3209         (call_indirect_nonlocal_darwin64): Same.
3210         (call_nonlocal_darwin64): Same.
3211         (call_value_indirect_nonlocal_darwin64): Same.
3212         (call_value_nonlocal_darwin64): Same.
3213         (sibcall_nonlocal_darwin64): Same.
3214         (sibcall_value_nonlocal_darwin64): Same.
3215         (sibcall_symbolic_64): Same.
3216         (sibcall_value_symbolic_64): Same.
3217         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
3218         LR pseudo.
3219         (rs6000_emit_load_toc_table): Same.
3220         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
3221         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
3222         (mull_call): Same.
3223         (divss_call): Same.
3224         (divus_call): Same.
3225         (quoss_call): Same.
3226         (quous_call): Same.
3227         (load_toc_v4_pic_si): Same
3228         (load_toc_v4_PIC_1): Same.
3229         (load_toc_v4_PIC_1b): Same.
3230         (call_indirect_aix{32,64}): Same.
3231         (call_value_indirect_aix{32,64}): Same.
3232         (call): Same.
3233         (call_value): Same.
3234         (call_local{32,64}): Same.
3235         (call_value_local{32,64}): Same.
3236         (call_indirect_nonlocal_aix{32,64}): Same.
3237         (call_nonlocal_aix{32,64}): Same.
3238         (call_value_indirect_nonlocal_aix{32,64}): Same.
3239         (call_value_nonlocal_aix{32,64}): Same.
3240         (call_indirect_nonlocal_sysv<mode>): Same.
3241         (call_nonlocal_sysv<mode>): Same.
3242         (call_value_indirect_nonlocal_sysv<mode>): Same.
3243         (call_value_nonlocal_sysv<mode>): Same.
3244         (sibcall): Same.
3245         (sibcall_local{32,64}): Same.
3246         (sibcall_value_local{32,64}): Same.
3247         (sibcall_nonlocal_aix{32,64}): Same.
3248         (sibcall_value_nonlocal_aix{32,64}): Same.
3249         (sibcall_nonlocal_sysv<mode>): Same.
3250         (sibcall_value): Same.
3251         (sibcall_value_nonlocal_sysv<mode>): Same.
3252
3253 2007-03-24  Paul Brook  <paul@codesourcery.com>
3254
3255         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
3256         * config/arm/linux-eabi.h: Remove legacy syscall hack.
3257
3258 2007-03-24  Richard Henderson  <rth@redhat.com>
3259
3260         * config/ia64/constraints.md: New file.
3261         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
3262         satisfies_constraint_?.
3263         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
3264         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
3265         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
3266         ia64_output_mi_thunk): Likewise.
3267         (ia64_const_ok_for_letter_p): Remove.
3268         (ia64_const_double_ok_for_letter_p): Remove.
3269         (ia64_extra_constraint): Remove.
3270         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
3271         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
3272         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
3273         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
3274         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
3275         EXTRA_MEMORY_CONSTRAINT): Remove.
3276         * config/ia64/ia64.md: Include constriants.md.  Replace
3277         CONST_OK_FOR_? with satisfies_constraint_?.
3278
3279 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
3280             H.J. Lu  <hongjiu.lu@intel.com>
3281
3282         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
3283         DPD or BID name.
3284         (name macros): Use DPD_BID_NAME to convert names properly.
3285
3286         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
3287         decimal floating point format.
3288         (init_floating_libfuncs): Change decimal functions so that they
3289         have a "bid_" prefix if the decimal system uses the BID format,
3290         and "dpd_" prefix if the decimal system uses the DPD format.
3291         (init_interclass_conv_libfuncs): Ditto.
3292         (init_intraclass_conv_libfuncs): Ditto.
3293
3294         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
3295         using the BID format.
3296
3297         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
3298         whether we are using the BID decimal format.
3299         * configure: Regenerate.
3300
3301         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
3302         the compiler has decimal floating point enabled.  Define
3303         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
3304         instead of DPD.
3305
3306         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
3307         using the BID format.
3308
3309         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
3310         whether we are using the BID decimal format.
3311         * configure: Regenerate.
3312
3313         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
3314         the compiler has decimal floating point enabled.  Define
3315         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
3316         instead of DPD.
3317
3318         * doc/install.texi (--enable-decimal-float): Document BID and DPD
3319         options, and that it is enabled for i386/x86_64 systems.
3320
3321         * Makefile.in (enable_decimal_float): New.
3322         (DECNUMFMT): New.
3323         (DECNUMINC): Add  -I$(DECNUMFMT).
3324         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
3325         to $(DECNUMFMT) from $(DECNUM).
3326
3327         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
3328         Substitute enable_decimal_float.
3329         * configure: Regenerated.
3330
3331         PR other/30529
3332         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
3333         unsigned long.
3334
3335         * configure.ac: Enable decimal float for x86_64-*-linux*.
3336         * configure: Regenerated.
3337
3338         PR other/30530
3339         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
3340         decimal128ClearSign to flip and clear the sign bit in decimal128.
3341         (decimal_real_maxval): Set decimal128SetSign to set the sign
3342         bit in decimal128.
3343
3344 2007-03-23  Ian Lance Taylor  <iant@google.com>
3345
3346         * fold-const.c (fold_binary): Correct warning for X - c >= X.
3347
3348 2007-03-23  Ian Lance Taylor  <iant@google.com>
3349
3350         * tree-dump.c (dump_files): Correct comment.
3351
3352 2007-03-23  Ian Lance Taylor  <iant@google.com>
3353
3354         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
3355
3356 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
3357
3358         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
3359         in cfglayout mode.  Don't go into and out of cfglayout mode.
3360         Link the blocks in the order of the constructed traces.
3361         (rest_of_handle_tracer): Adjust call to tracer.
3362         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
3363         Don't go into cfglayout mode.
3364         (rtl_loop_done): Don't go out of cfglayout mode.
3365         * cfglayout.c (relink_block_chain): New function, split out from...
3366         (fixup_reorder_chain): ...here.  Remove redundant checking.
3367         (cfg_layout_finalize): Don't clear the header, footer, and aux
3368         fields here, move the code to do so to relink_block_chain.  Likewise
3369         for free_original_copy_tables.
3370         * rtl.h (tracer): Update prototype.
3371         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
3372         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
3373         mode.  Use relink_block_chain to serialize the CFG according to the
3374         new basic block order.  Move targetm.cannot_modify_jumps_p check from
3375         here...
3376         (gate_handle_reorder_blocks): ...to here.
3377         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
3378         from here...
3379         (gate_duplicate_computed_gotos): ...to here.
3380         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
3381         something always changes when going into and out of cfglayout mode.
3382         Perform an expensive cfg cleanup while going into cfglayout mode.
3383         Always update liveness information on HAVE_conditional_execution
3384         targets.  Reserialize the basic blocks and go out of cfglayout mode.
3385         * reg-stack.c: Include cfglayout.h.
3386         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
3387         the call to reorder_basic_blocks.
3388         * basic-block.h (reorder_basic_blocks): Update prototype.
3389         (relink_block_chain): New prototype.
3390         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
3391
3392 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
3393
3394         * config/mips/mips.md (type, hazard, *movdi_32bit,
3395         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
3396         *movhi_internal, *movqi_internal, *movsf_hardfloat,
3397         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
3398         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
3399         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
3400         applicable.
3401         (movcc): Change first xfer to multi.
3402         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
3403         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
3404         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
3405         config/mips/generic.md: Change reservations using "xfer" to use
3406         "mfc,mtc".
3407         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
3408         using match_operand.
3409         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
3410         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
3411         examining mode.
3412         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
3413
3414 2007-03-22  Richard Henderson  <rth@redhat.com>
3415
3416         * config/i386/i386.c: Remove unnecessary function declarations.
3417         Move targetm definition, and all related macros, to the end of
3418         the file.  Resort some functions to put definitions before uses.
3419         (ix86_attribute_table): Make static.  Move to end of file.
3420         (ix86_gimplify_va_arg): Make static.
3421
3422 2007-03-22  Richard Henderson  <rth@redhat.com>
3423
3424         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
3425         don't increase local_regparm with force_align_arg_pointer check.
3426         (ix86_function_sseregparm): Assert 32-bit.
3427         (type_has_variadic_args_p): New.
3428         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
3429         type_has_variadic_args_p.
3430         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
3431         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
3432         use memset instead.  Do maybe_vaarg check first; skip attribute
3433         tests if true; skip attribute tests for 64-bit.
3434         (construct_container): Remove TARGET_DEBUG_ARG.
3435         (function_arg_advance_32, function_arg_advance_64): Split out ...
3436         (function_arg_advance): ... from here.
3437         (function_arg_32, function_arg_64): Split out ...
3438         (function_arg): ... from here.
3439         (ix86_pass_by_reference): Tidy.
3440         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
3441         (function_value_32): New, from parts of ix86_function_value
3442         and ix86_value_regno.
3443         (function_value_64): New, from parts of ix86_function_value
3444         and ix86_libcall_value.
3445         (ix86_function_value_1): New.
3446         (ix86_function_value, ix86_libcall_value): Use it.
3447         (return_in_memory_32, return_in_memory_64): Split out ...
3448         (ix86_return_in_memory): ... from here.
3449         (ix86_struct_value_rtx): Skip for 64-bit.
3450         (ix86_libcall_value, ix86_value_regno): Remove.
3451         (setup_incoming_varargs_64): Split out ...
3452         (ix86_setup_incoming_varargs): ... from here.
3453         (ix86_va_start): Remove TARGET_DEBUG_ARG.
3454         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
3455         * config/i386/i386-protos.h (ix86_function_value): Remove.
3456         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
3457
3458 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3459
3460         PR other/23572
3461         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
3462         infinities not supported, otherwise emit warning if -Woverflow. On
3463         underflow, emit warning if -Woverflow.
3464         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
3465         and 0 otherwise.
3466         * real.h (real_from_string): Update declaration
3467
3468 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
3469             Richard Henderson  <rth@redhat.com>
3470
3471         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
3472         * calls.c (compute_argument_block_size, expand_call,
3473         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
3474         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
3475         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
3476         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
3477         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
3478         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
3479         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
3480         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
3481         Set to 1.
3482
3483 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
3484
3485         * c-incpath.c (add_sysroot_to_chain): New.
3486         (merge_include_chains): Add sysroot argument.  Call
3487         add_sysroot_to_chain if sysrooted.
3488         (register_include_chains): Update call to merge_include_chains.
3489         * doc/cppopts.texi: Document use of '=' in include directory
3490         arguments.
3491
3492 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
3493
3494         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
3495         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
3496         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
3497         insn pattern using X87MODEF12 mode macro.
3498
3499 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
3500
3501         * regmove.c (regmove_optimize): Use reg_mentioned_p
3502         instead of reg_overlap_mentioned_p for DST.
3503
3504 2007-03-21  Mike Stump  <mrs@apple.com>
3505
3506         * c.opt: Fixup for Objective-C/C++.
3507
3508 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
3509
3510         * explow.c (convert_memory_address): Fold memory reference when
3511         POINTERS_EXTEND_UNSIGNED < 0
3512
3513 2007-03-21  Richard Henderson  <rth@redhat.com>
3514
3515         PR target/31245
3516         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
3517         * config/i386/mmintrin.h (__m64): Likewise.
3518         * config/i386/xmmintrin.h (__m128): Likewise.
3519
3520 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
3521
3522         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
3523         (VXWORKS_OS_CPP_BUILTINS): Define.
3524         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
3525         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
3526
3527 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
3528
3529         * rtl.h (constant_pool_reference_p): Delete.
3530         (find_constant_src): Declare.
3531         * rtlanal.c (find_constant_src): New function.
3532         * simplify-rtx.c (constant_pool_reference_p): Delete.
3533         * config/i386/i386.md: Use find_constant_src instead of
3534         constant_pool_reference_p/avoid_constant_pool_reference pairs.
3535
3536 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
3537
3538         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
3539         * c-cppbuiltin.c (c_cpp_builtins): Define them.
3540
3541 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
3542
3543         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
3544         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
3545         (arm_elf_asm_constructor): Use it.
3546         (arm_elf_asm_destructor): New function.
3547
3548 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
3549
3550         * jump.c (mark_jump_label): Treat SEQUENCE specially.
3551
3552 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
3553
3554         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
3555
3556 2007-03-19  Andrew Haley  <aph@redhat.com>
3557
3558         PR tree-optimization/31264
3559         * tree-vrp.c (register_edge_assert_for_1): Don't look though
3560         VIEW_CONVERT_EXPRs.
3561
3562 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
3563
3564         PR rtl-optimization/30907
3565         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
3566         (fwprop_init): Always call loop_optimizer_initialize.
3567         (fwprop_done): Always call loop_optimizer_finalize.
3568         (fwprop): We always have loop info now.
3569         (gate_fwprop_addr): Remove.
3570         (pass_fwprop_addr): Use gate_fwprop as gate.
3571
3572         PR rtl-optimization/30841
3573         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
3574         df_chain_alloc): Call df_reorganize_refs unconditionally.
3575         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
3576         refs_organized to refs_organized_size.
3577         (df_ref_create_structure): Use refs_organized_size instead of
3578         bitmap_size if refs had been organized, and keep refs_organized_size
3579         up-to-date.
3580         * df.h (struct df_ref_info): Change refs_organized to
3581         refs_organized_size.
3582         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
3583         bitmap_size.
3584
3585 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
3586
3587         * except.c (output_function_exception_table): Do not reference the
3588         EH personality routine for functions that do not require an
3589         exception table.
3590
3591 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
3592
3593         PR c/30762
3594         * c-typeck.c (convert_for_assignment): Call comptypes for
3595         RECORD_TYPE or UNION_TYPE.
3596
3597         PR inline-asm/30505
3598         * reload1.c (reload): Do invalid ASM checking after
3599         cleanup_subreg_operands.
3600
3601 2007-03-19  Jeff Law  <law@redhat.com>
3602
3603         * tree-cfg.c (find_taken_edge): Tighten conditions for
3604         optimizing computed gotos.
3605
3606 2007-03-19  Michael Matz  <matz@suse.de>
3607
3608         * builtins.c (expand_builtin_sync_operation,
3609         expand_builtin_compare_and_swap,
3610         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
3611         correctly.
3612
3613         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
3614         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
3615         for operand 3.
3616
3617 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3618
3619         * doc/tm.texi: Add brackets around the return type of
3620         TARGET_SECONDARY_RELOAD.
3621
3622 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3623         Richard Guenther  <rguenther@suse.de>
3624
3625         PR tree-optimization/31254
3626         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
3627         Use handled_component_p () where appropriate.  Continue
3628         propagating into the rhs if we propagated into an INDIRECT_REF
3629         on the lhs.
3630
3631 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3632
3633         * config/s390/s390.md (op_type attribute): RRR instruction type added.
3634         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
3635         (xde, xdee): Mode attributes adjusted to support DFP modes.
3636         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
3637         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
3638         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
3639         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
3640         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
3641         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
3642         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
3643         numbers.
3644         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
3645         "movsf"): Insn definitions removed.
3646         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
3647         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
3648         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
3649         definitions added.
3650         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
3651         "reload_in<mode>", "reload_out<mode>"): Expander added.
3652         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
3653         Expander removed.
3654
3655 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3656
3657         * config/s390/s390.md: Only non-functional changes.  Renamed
3658         FPR mode macro to BFP all over the file.
3659
3660 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3661
3662         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
3663         (op_type attribute): RRF instruction type added.
3664         (fT0): New mode attribute.
3665         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
3666         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
3667         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
3668         no secondary memory is needed when moving DFmode values between GPRs
3669         and FPRs.
3670
3671 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3672
3673         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
3674         inverted and documentation adjusted.
3675         ("mhard-dfp", "msoft-dfp"): New options.
3676         * config/s390/s390.c (s390_handle_arch_option): New architecture
3677         switch: z9-ec.
3678         (override_options): Sanity checks for the new options added.
3679         * config.gcc: New architecture switch: z9-ec.
3680         * config/s390/s390.h (processor_flags): PF_DFP added.
3681         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
3682         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
3683         when the bit is NOT set so remove it from the defaults.
3684
3685 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3686
3687         * genemit.c (main): Print include statement for dfp.h.
3688         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
3689         is not available.
3690
3691 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
3692
3693         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
3694
3695 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
3696
3697         PR target/31022
3698         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
3699         instead of PATTERN.
3700
3701 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3702
3703         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
3704         attr_length_call, output_call, output_indirect_call): Cleanup
3705         formatting of targetm calls.
3706
3707 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
3708
3709         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
3710
3711 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3712
3713         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
3714         reservation, bypass and anti-bypass descriptions for these instructions.
3715         Update move patterns.
3716         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
3717         TYPE_FPSTORE.
3718
3719 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
3720
3721         * tree-vect-transform.c (get_initial_def_for_induction): Replace
3722         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
3723         (get_initial_def_for_reduction): Likewise.
3724
3725 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
3726
3727         Fix PR tree-optimization/29922
3728         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
3729         (get_representative): Removed.
3730         (value_dies_in_block_x): Update for rvuse removal.
3731         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
3732         (compute_antic_aux): Handle when PHI nodes appear in
3733         non-single-successors.
3734         (dump_bitmap_of_names): Removed.
3735         (compute_antic_safe): Renamed and removed rvuse calculation.
3736         Calculate only antic safe.
3737         (insert_into_preds_of_block): Remove assert.
3738         (execute_pre): Update for renamed functions.
3739         (defer_or_phi_translate_block): New function.
3740
3741 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
3742
3743         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
3744         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
3745         typos.
3746         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
3747         Follow spelling conventions.
3748
3749         * tree-data-ref.h: Remove the prototype for analyze_array.
3750
3751 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
3752
3753         PR tree-optimization/31041
3754         * tree-vect-transform.c (get_initial_def_for_induction): Call
3755         force_gimple_operand.
3756
3757 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
3758
3759         * ipa-type-escape.c (look_for_casts) : Revert code to use
3760         handled_component_p due to ada test a-numaux.adb.
3761
3762 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
3763
3764         * final.c (final_scan_insn): Alter the condition of a
3765         conditional trap if we have nonstandard CC.
3766
3767 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
3768
3769         * configure.ac: Remove excess quoting from asm line 0 test.
3770         * configure: Rebuilt.
3771
3772 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3773
3774         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
3775         * c-common.c (convert_and_check): Move warning logic to...
3776         (warnings_for_convert_and_check): ...here. Define.
3777         * c-common.h (warnings_for_convert_and_check): Declare.
3778
3779 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3780
3781         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
3782         (output_call): Likewise.
3783
3784 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
3785
3786         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
3787
3788 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
3789
3790         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
3791
3792 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
3793
3794         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
3795         opteron, athlon-64 and athlon-fx processor_alias_table entries.
3796
3797 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
3798
3799         PR tree-optimization/31183
3800         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
3801         Use double_int instead of unsigned int for representing access_strides.
3802         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
3803
3804 2007-03-16  Richard Guenther  <rguenther@suse.de>
3805
3806         PR tree-optimization/31146
3807         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
3808         to allow recursion of forward_propagate_addr_expr.
3809         (forward_propagate_addr_into_variable_array_index): Likewise.
3810         (forward_propagate_addr_expr): Likewise.
3811         (tree_ssa_forward_propagate_single_use_vars): Likewise.
3812         (forward_propagate_addr_expr_1): Recurse on simple copies
3813         instead of propagating into them.  Do so for useless conversions
3814         as well.
3815         (forward_propagate_addr_expr): Clean up unused statements after
3816         recursion.
3817
3818 2007-03-16  Richard Guenther  <rguenther@suse.de>
3819
3820         * builtins.c (expand_builtin_cexpi): Use the right argument
3821         for the expansion via cexp.
3822
3823 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
3824
3825         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
3826         * configure: Rebuilt.
3827
3828 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
3829
3830         PR debug/29906
3831         * dwarf2out.c (force_type_die): Adjust comment.
3832         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
3833
3834 2007-03-15  DJ Delorie  <dj@redhat.com>
3835
3836         * config/frv/predicates.md (minmax_operator): Don't check operands
3837         here.
3838
3839 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
3840
3841         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
3842         Update constant estimates of number of iterations.
3843         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
3844         argument renamed to "realistic".
3845         (compute_estimated_nb_iterations): Removed.
3846         (record_niter_bound): New function.
3847         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
3848         call record_nonwrapping_iv with upper = false.
3849         (infer_loop_bounds_from_signedness): Pass upper argument to
3850         record_nonwrapping_iv.
3851         (estimate_numbers_of_iterations_loop): Do not call
3852         compute_estimated_nb_iterations.  Record estimate based on profile
3853         information.  Initialize the constant estimates of number of
3854         iterations.
3855         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
3856         estimates.
3857         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
3858         number of iterations is too small.
3859         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
3860         (EST_NOT_AVAILABLE): Removed.
3861         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
3862         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
3863         fields.
3864
3865 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
3866
3867         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
3868         Handle NE_EXPR guards.
3869
3870 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3871
3872         PR c++/24924
3873         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
3874         Set also -pedantic-errors by default for the  preprocessor unless
3875         -fpermissive is given.
3876
3877 2007-03-15  Richard Guenther  <rguenther@suse.de>
3878
3879         PR middle-end/29719
3880         PR middle-end/31161
3881         * builtins.c (expand_builtin_cexpi): As a fallback if we
3882         don't have builtins for sincos or cexp create a function
3883         declaration for cexp and expand to a call to that.
3884         (expand_builtin_int_roundingfn): Always fall
3885         back to floor/ceil and its variants even if they may be
3886         not available.
3887
3888 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
3889
3890         PR middle-end/31159
3891         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
3892         jump tables, move the call to delete_dead_jumptables from here...
3893         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
3894         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
3895         don't allow merging of blocks that try_redirect_by_replacing_jump
3896         also does not handle when not optimizing.
3897
3898 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
3899             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3900
3901         * config/i386/i386.md (x86_sahf_1): Correctly handle
3902         HAVE_AS_IX86_SAHF.
3903
3904 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
3905
3906         PR target/31167
3907         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
3908         x86_64_general_operand as operand[2] predicate.  Remove "iF"
3909         from operand constraints and use "e" constraint instead.
3910         (*subti3_1, *subti3_1 splitter): Ditto.
3911         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
3912         operand[1] predicate.
3913
3914 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
3915
3916         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
3917         arrays, multiply the access strides by the size of the sub-array.
3918         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
3919
3920 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
3921
3922         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
3923         the configured assembler supports the sahf mnemonic.
3924         * configure: Regenerate.
3925         * config.in: Regenerate.
3926
3927         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
3928         emit "sahf" or ".byte\t0x9e" as asm template.
3929
3930 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
3931
3932         PR 31018
3933         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
3934         option to replace hard coded TARGET_xxx in md file.
3935         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
3936         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
3937         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
3938         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
3939         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
3940         (X86_TUNE_NOT_VECTORMODE): Ditto.
3941         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
3942         (TUNE_AVOID_VECTOR_DECODE): Ditto.
3943         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
3944         (TUNE_SLOW_IMUL_IMM8): Ditto.
3945         (TUNE_MOVE_M1_VIA_OR): Ditto.
3946         (TUNE_NOT_UNPAIRABLE): Ditto.
3947         (TUNE_NOT_VECTORMODE): Ditto.
3948
3949         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
3950         options.
3951
3952         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
3953         tuning options instead of hard coded TARGET_xxx.
3954         (fix ssemode peephole2's): Ditto.
3955         (imul peephole2's): Ditto.
3956         (movsi_or): Ditto.
3957         (movdi_or_rex64): Ditto.
3958         (move peephole2): Ditto.
3959         (not peephole2's): Ditto.
3960
3961 2007-03-14  Dirk Mueller  <dmueller@suse.de>
3962
3963         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
3964         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
3965         * c-parser.c (c_parser_if_body): Always add an empty statement in case
3966         of empty body.
3967         * c-parser.c (c_parser_do_statement): Warn about empty body in
3968         do/while statement.
3969         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
3970         * doc/invoke.texi (-Wempty-body): Update documentation.
3971
3972 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3973
3974         PR c/21438
3975         * c-common.h (warn_for_div_by_zero): Declare.
3976         * c-common.c (warn_for_div_by_zero): Define.
3977         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
3978         warning.
3979
3980 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
3981
3982         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
3983         to PREFIX and STANDARD_PREFIX.
3984
3985 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
3986             Phil Edwards  <phil@codesourcery.com>
3987
3988         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
3989         (__gthread_once_t): Remove busy field for RTPs.
3990         (__GTHREAD_ONCE_INIT): Update accordingly.
3991
3992 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
3993
3994         * doc/invoke.texi: Document VxWorks options.
3995
3996 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
3997
3998         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
3999
4000 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
4001
4002         PR tree-optimization/30590
4003         * tree-nrv.c (tree_nrv): Check for the partial update of the
4004         return value.
4005
4006 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
4007
4008         * flags.h (flag_random_seed): Remove declaration, in favor of...
4009         * toplev.h (get_random_seed, set_random_seed): ... these.
4010         * tree.c (get_file_function_name): Use the former.
4011         * opts.c (common_handle_option): Use the latter.
4012         * toplev.c
4013
4014 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
4015
4016         PR middle-end/31127
4017         * cse.c (cse_find_path): Do not bail out if a basic block that
4018         we already visited now becomes part of a path that starts at a
4019         different basic block.  Just disallow this, to make sure we
4020         visit each basic block at most once.
4021
4022 2007-03-13  Jan Hubicka  <jh@suse.cz>
4023
4024         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
4025         when profile esitmate is present, calls with very low frequency are
4026         cold.
4027
4028 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
4029
4030         PR tree-optimization/30730
4031         PR tree-optimization/26900
4032         * tree-ssa-loop-niter.c: Include gmp.h.
4033         (bounds): New type.
4034         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
4035         split_to_var_and_offset, determine_value_range,
4036         bound_difference_of_offsetted_base, refine_bounds_using_guard,
4037         bound_difference, bounds_add, bounds_negate,
4038         number_of_iterations_ne_max, dump_affine_iv): New functions.
4039         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
4040         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
4041         difference of initial and final value of control iv to validate
4042         results.
4043         (number_of_iterations_cond): Add loop parameter.  Determine bounds
4044         on the difference of the extremes of the control iv.  Add dumps.
4045         (expand_simple_operations): Handle phi nodes.
4046         (simplify_using_initial_conditions): Do not record used conditions.
4047         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
4048         Do not set additional_info.
4049         (implies_nonnegative_p, implies_ge_p): Removed.
4050         (derive_constant_upper_bound): Do not use parameter `additional'.
4051         (record_estimate): Parameter `additional' removed.  Parameter
4052         `i_bound' added.  Do not call derive_constant_upper_bound.
4053         (record_nonwrapping_iv): Use derive_constant_upper_bound to
4054         bound the number of iterations estimate.
4055         (estimate_numbers_of_iterations_loop): Pass the estimate from
4056         the number of iterations analysis to record_estimate.
4057         * tree.h (multiple_of_p): Declare.
4058         * tree-scalar-evolution.c (expression_expensive_p): Removed.
4059         (scev_const_prop): Do not check expression_expensive_p.
4060         * fold-const.c (multiple_of_p): Exported.
4061         * double-int.c (double_int_mask): Exported.
4062         * double-int.h (double_int_mask): Declare.
4063         * tree-flow.h (struct tree_niter_desc): Removed additional_info
4064         field.  Added max field.
4065
4066 2007-03-13  David Taylor  <taylor@candd.org>
4067
4068         PR driver/12448:
4069         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
4070         default -MQ.
4071
4072 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4073
4074         PR target/31123
4075         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
4076         two unamed patterns.
4077
4078 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
4079
4080         * config/i386/i386.opt (mcx16, msahf): New options.
4081         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
4082         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
4083
4084         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
4085         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
4086         Output -mcx16 and -msahf options when corresponding bit is set.
4087
4088         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
4089         and -msahf options.
4090
4091 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
4092
4093         * configure.ac: Test for assembler tolerance to # 0 "".
4094         * configure, config.in: Rebuilt.
4095         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
4096
4097 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
4098
4099         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
4100
4101         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
4102         (handle_syscall): Handle direct system calls.
4103         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
4104
4105 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
4106
4107         * doc/invoke.texi: Fix cpp.info cross-reference.
4108         * doc/passes.texi: Fix gcc.info cross-reference.
4109
4110 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
4111
4112         PR tree-optimization/30835
4113         * lambda-code.c (can_convert_to_perfect_nest): Check whether
4114         bb_for_stmt is not NULL before accessing it.
4115
4116 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
4117
4118         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
4119         some multilibs.
4120
4121 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
4122
4123         PR 30635
4124         * doc/install.texi: Document --enable-stage1-languages
4125
4126 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
4127
4128         * tree-pass.h (pass_into_cfg_layout_mode,
4129         pass_outof_cfg_layout_mode): Declare.
4130         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
4131         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
4132         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
4133         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
4134
4135 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
4136
4137         * c-decl.c (warn_variable_length_array): New function.
4138         Refactored from grokdeclarator to handle warn_vla
4139         and handle unnamed array case.
4140         (grokdeclarator): Refactored VLA warning case.
4141         * c.opt (Wvla): New flag.
4142         * doc/invoke.texi (Wvla): New warning.
4143
4144 2007-03-12  Richard Henderson  <rth@redhat.com>
4145
4146         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
4147         (TARGET_SECTION_TYPE_FLAGS): New.
4148
4149 2007-03-12  Richard Henderson  <rth@redhat.com>
4150
4151         * config/darwin.c (machopic_reloc_rw_mask): New.
4152         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
4153         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
4154
4155 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
4156
4157         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
4158         * cppdefault.h (cpp_PREFIX): Document.
4159         (cpp_PREFIX_len): Likewise.
4160         (cpp_EXEC_PREFIX): New variable.
4161         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
4162         * c-incpath.c (add_standard_paths): Correct logic for relocating
4163         paths within prefix.
4164
4165 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
4166
4167         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
4168         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
4169         mode macro.
4170         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
4171         fix_truncdfdi_sse using SSEMODEF mode macro.
4172         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
4173         fix_truncdfsi_sse using SSEMODEF mode macro.
4174         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
4175         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
4176
4177 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
4178
4179         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
4180         elfos.h to tm_file.
4181
4182 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
4183
4184         * tree.h : Add multiple_of_p declaration.
4185         * fold-const.c (multiple_of_p): Make multiple_of_p public.
4186         * ipa-type-escape.c (results_of_malloc): Redundant.
4187         (visited_stmts): New. Visited stmt for walk_use_def_chains.
4188         (cast_type): Extended with new members.
4189         (check_cast): Returns cast_type.
4190         (cast): New structure for data of walk_use_def_chains.
4191         (is_malloc_result, is_cast_from_non_pointer_1,
4192         is_cast_from_non_pointer,
4193         is_array_access_through_pointer_and_index): New functions.
4194         (look_for_casts): Returns cast types.
4195         (check_call): Returns void.
4196         (okay_pointer_operation): Use support of pointer plus index,
4197         pointer plus constant and allow all multiplications.
4198
4199 2007-03-11  Richard Guenther  <rguenther@suse.de>
4200
4201         PR tree-optimization/31115
4202         * tree-vrp.c (extract_range_from_binary_expr): Make sure
4203         the shift count is positive and non-anti-range for RSHIFT_EXPR.
4204         A shift count of zero is not special as with *_DIV_EXPR.
4205         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
4206         direction.
4207
4208 2007-03-11  Ian Lance Taylor  <iant@google.com>
4209
4210         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
4211         the *_DIV_EXPR codes correctly with overflow infinities.
4212
4213 2007-03-11  Ira Rosen  <irar@il.ibm.com>
4214
4215         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
4216         indicate success/failure of the analysis. Add negation to subtrahend
4217         in case of subtraction. Fail if both operands contain constants.
4218         (create_data_ref): Fail if analyze_offset fails.
4219
4220 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
4221
4222         * config/i386/i386.md (frndintxf2): Rename to ...
4223         (rintxf2): ... this. Remove expander having same name.
4224         (rintsf2, rintdf2): Implement using SSEMODEF macro.
4225         (roundsf2, rounddf2): Ditto.
4226         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
4227         (lround<mode>di2, lround<mode>si2): Ditto.
4228
4229 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
4230
4231         * lower-subreg.c: Include except.h.
4232         (decompose_multiword_subregs): Verify that the only control flow
4233         insns we can split are loads to multi-words pseudos.
4234         Handle breaking such blocks after splitting, instead of calling
4235         find_many_sub_basic_blocks.
4236
4237         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
4238         on the new basic block.  Add a lengthy comment explaining why we
4239         thought this was necessary.
4240         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
4241
4242 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
4243
4244         PR c++/30924
4245         * tree.c (walk_type_fields): Recurse into the element type of
4246         ARRAY_TYPEs if there is a pointer set.
4247
4248 2007-03-10  Dirk Mueller  <dmueller@suse.de>
4249
4250         * c-common.c (warn_logical_operator): Fix condition.
4251
4252 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
4253
4254         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
4255         quotation mark.
4256         * config/darwin.c (machopic_select_section): Remove superfluous
4257         argument in call to categorize_decl_for_section.  Remove unused
4258         variable shlib.
4259
4260 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
4261
4262         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
4263         defined.
4264         * configure: Regenerate.
4265
4266 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
4267
4268         PR target/31101
4269         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
4270         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
4271         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
4272         Add LABEL_NUSES to emitted label.
4273         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
4274         branch probability value to emitted jump insn.
4275         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
4276         Do not check life information and do not re-arrange input operands
4277         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
4278
4279 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
4280
4281         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
4282         the change of decode_asm_operands.
4283
4284 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
4285
4286         * mode-switching.c (create_pre_exit): Skip blockage insn.
4287
4288 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
4289
4290         * tree-pass.h (TODO_update_smt_usage): Remove.
4291         Update all users.
4292         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
4293         argument SOME.
4294         Update all users.
4295
4296 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4297
4298         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
4299         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
4300         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
4301         SOM target.
4302
4303 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
4304
4305         * gcc.c: Document %{, in big comment at top.
4306         (input_suffix_matches): Remove special handling for .s and
4307         .S.
4308         (input_spec_matches): New.
4309         (handle_braces): Handle %{,.
4310         (validate_switches): ',' indicates a value which is not a switch.
4311         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
4312         to detect assembler input.
4313         * config/i386/sol2.h (CPP_SPEC): Likewise.
4314         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
4315         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
4316         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
4317         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
4318         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
4319         -m64 causes deployment target to default to 10.5.
4320         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
4321
4322 2007-03-09  Richard Henderson  <rth@redhat.com>
4323
4324         PR target/26090
4325         * target.h (targetm.asm.out.reloc_rw_mask): New.
4326         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
4327         (TARGET_ASM_OUT): Use it.
4328         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
4329         * varasm.c (categorize_decl_for_section): Remove shlib argument;
4330         use the new reloc_rw_mask target hook instead.
4331         (default_section_type_flags_1): Merge into...
4332         (default_section_type_flags): ... here.
4333         (decl_readonly_section_1): Merge into...
4334         (decl_readonly_section): ... here.
4335         (default_elf_select_section_1): Merge into...
4336         (default_elf_select_section): ... here.
4337         (default_unique_section_1): Merge into...
4338         (default_unique_section): ... here.
4339         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
4340         (default_select_rtx_section): Use it.
4341         (default_elf_select_rtx_section): Likewise.
4342         * output.h: Update to match.
4343         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
4344         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
4345         (TARGET_ASM_RELOC_RW_MASK): New.
4346         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
4347         to categorize_decl_for_section.
4348         (x86_64_elf_unique_section): Likewise.
4349         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
4350         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
4351         (TARGET_ASM_RELOC_RW_MASK): New.
4352         * config/ia64/ia64.c (ia64_rwreloc_select_section,
4353         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
4354         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
4355         (TARGET_RWRELOC): Remove.
4356         (ia64_section_type_flags): Adjust call to default_section_type_flags.
4357         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
4358         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
4359         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
4360         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
4361         (rs6000_xcoff_select_section): Use decl_readonly_section.
4362         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
4363         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
4364         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
4365         (TARGET_SECTION_TYPE_FLAGS): Remove.
4366         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
4367
4368 2007-03-09  Roger Sayle  <roger@eyesopen.com>
4369
4370         * fold-const.c (fold_comparison): Remove compile-time evaluation of
4371         complex constant equality/inequality comparisons for here.
4372         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
4373         known at compile-time or can be simplified to a scalar comparison.
4374         (fold_relational_const): Move compile-time evaluation of complex
4375         constant equality/inequality comparisons to here.
4376
4377 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4378
4379         PR rtl-optimization/30643
4380         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
4381         dest_addr_elt.
4382         (fold_rtx): Recurse, like before 2006-11-03.
4383
4384 2007-03-09  DJ Delorie  <dj@redhat.com>
4385
4386         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
4387         m32c-pragma.o.
4388
4389 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
4390
4391         PR tree-optimization/30375
4392         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
4393         LHS of statements is not the same.
4394         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
4395
4396 2007-03-09  Chao-ying Fu  <fu@mips.com>
4397
4398         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
4399         REV 2.
4400         * doc/invoke.texi (-mdspr2): Document new option.
4401         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
4402         New unspec for DSP REV 2.
4403         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
4404         these instructions are extended in DSP REV 2.
4405         (mips-dspr2.md): Include.
4406         * config/mips/mips.opt (mdspr2): New option.
4407         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
4408         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
4409         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
4410         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
4411         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
4412         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
4413         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
4414         and 2 builtins.
4415         (bdesc_map): Add one field of unsupported_target_flags.
4416         (bdesc_arrays):  Update entries to have extra fields.  Add
4417         dsp_32only_bdesc.
4418         (mips_init_builtins): Initialize new function types.
4419         Check unsupported_target_fileds to filter out builtins.
4420         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
4421         TARGET_DSPR2.
4422         (ASM_SPEC): Pass mdspr2 to the assembler.
4423         * config/mips/mips-dspr2.md: New file.
4424
4425 2007-03-09  Sa Liu  <saliu@de.ibm.com>
4426
4427         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
4428
4429 2007-03-09  Ian Lance Taylor  <iant@google.com>
4430
4431         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
4432         argument) like -Wstrict-overflow=2.
4433         * doc/invoke.texi (Warning Options): Update documentation.
4434
4435 2007-03-09  Dirk Mueller  <dmueller@suse.de>
4436
4437         PR c++/17946
4438         * doc/invoke.texi (-Wlogical-op): Document.
4439         * common.opt (-Wlogical-op): New.
4440         * c-common.h (warn_logical_operator): Declare.
4441         * c-common.c (warn_logical_operator): Define.
4442         * c-typeck.c (parser_build_binary_op): Call
4443         warn_logical_operator.
4444
4445 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4446
4447         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
4448         * final.c (final_scan_insn): Test for non-"" file name.
4449
4450 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
4451
4452         * doc/loop.texi: Document the Omega linear constraints solver.
4453         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
4454         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
4455         omega-hash-table-size, omega-max-keys, and
4456         omega-eliminate-redundant-constraints.
4457         * tree-pass.h (pass_check_data_deps): Declared.
4458         * omega.c: New.
4459         * omega.h: New.
4460         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
4461         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
4462         pass_check_data_deps): New.
4463         * tree-data-ref.c (init_data_ref): Remove declaration.
4464         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
4465         (analyze_array): Renamed init_array_ref, move up initializations.
4466         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
4467         Removed arguments that are set to NULL.
4468         (analyze_indirect_ref): Correct indentation, correct call to
4469         init_pointer_ref.
4470         (object_analysis): Call init_array_ref instead of analyze_array.
4471         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
4472         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
4473         of DR_ACCESS_FNS_ADDR.
4474         (init_omega_eq_with_af, omega_extract_distance_vectors,
4475         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
4476         ddr_consistent_p): New.
4477         (compute_affine_dependence): Check consistency of ddrs when
4478         flag_check_data_deps is passed.
4479         (analyze_all_data_dependences): Uncomment.
4480         (tree_check_data_deps): New.
4481         * tree-data-ref.h: Include omega.h.
4482         (DR_ACCESS_FNS_ADDR): Removed.
4483         (data_dependence_relation): Add inner_loop.
4484         (DDR_INNER_LOOP): New.
4485         * common.opt (fcheck-data-deps): New.
4486         * tree-flow.h (tree_check_data_deps): Declare.
4487         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
4488         (OBJS-common): Depend on omega.o.
4489         (omega.o): Define.
4490         * passes.c (pass_check_data_deps): Scheduled.
4491         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
4492         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
4493         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
4494         PARAM_VECT_MAX_VERSION_CHECKS,
4495         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
4496
4497 2007-03-09  Richard Guenther  <rguenther@suse.de>
4498
4499         PR tree-optimization/30904
4500         PR middle-end/31058
4501         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
4502         the same way as *_DIV_EXPR.
4503
4504 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4505
4506         * recog.c (decode_asm_operands): No mixed declarations and code.
4507
4508 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4509
4510         * rtl.def (ASM_INPUT): Add location.
4511         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
4512         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
4513         (decode_asm_operands): Add loc operand.
4514         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
4515         * stmt.c (expand_asm): Rename to...
4516         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
4517         gen_rtx_ASM_INPUT_loc.
4518         (expand_asm_expr): Adjust.
4519         * recog.c (decode_asm_operands): Add loc operand.
4520         (check_asm_operands, extract_insn): Adjust.
4521         * reload1.c (maybe_fix_stack_asms): Likewise.
4522         * final.c (asm_insn_count): Likewise.
4523         (final_scan_insn): Output # line before and after asm.
4524
4525 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
4526
4527         * tree-ssa-structalias.c (variable_info): Remove
4528         finished_solution.
4529         (new_var_info): Ditto.
4530         (shared_bitmap_info_t): New structure.
4531         (shared_bitmap_table): New variable.
4532         (shared_bitmap_hash): New function.
4533         (shared_bitmap_eq): Ditto
4534         (shared_bitmap_lookup): Ditto.
4535         (shared_bitmap_add): Ditto.
4536         (merge_smts_into): Change to take bitmap directly.
4537         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
4538         (init_alias_vars): Init shared bitmap hashtable.
4539         (delete_points_to_sets): Delete shared bitmap hashtable.
4540         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
4541         is_aliased removal as a change that was still necessary was
4542         deleted.
4543
4544 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
4545
4546         * config/i386/i386.h (override_options): Conditionally disable
4547         x86_sahf for 64bit targets only.
4548
4549 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4550
4551         PR C/31072
4552         * c-decl.c (merge_decls): Don't call make_var_volatile.
4553         * varasm.c (make_var_volatile): Remove.
4554         * output.h (make_var_volatile): Remove.
4555
4556 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
4557
4558         PR tree-optimization/31085
4559         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
4560
4561 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4562
4563         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
4564         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
4565         ATTR_CONST_NOTHROW_LIST.
4566
4567         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
4568         FIX_TRUNC_EXPR.
4569
4570 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
4571
4572         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
4573
4574 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
4575
4576         PR 31013
4577         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
4578         is declared.
4579         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
4580         passed, use shared libgcc.
4581
4582 2007-03-08  Roger Sayle  <roger@eyesopen.com>
4583
4584         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
4585         instead of calling build2 with a GIMPLE_MODIFY_STMT.
4586         (honor_protect_cleanup_actions, lower_try_finally_switch):
4587         Likewise.
4588         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
4589         ifc_temp_var): Likewise.
4590         * tree-inline.c (setup_one_parameter): Likewise.
4591         * tree-mudflap.c (mf_decl_cache_locals,
4592         mf_build_check_statement_for): Likewise.
4593         * tree-nested.c (init_tmp_var, save_tmp_var,
4594         finalize_nesting_tree_1): Likewise.
4595         * tree-outof-ssa.c (insert_copy_on_edge,
4596         insert_backedge_copies): Likewise.
4597         * tree-profile.c (tree_gen_edge_profiler,
4598         tree_gen_ic_profiler): Likewise.
4599         * tree-scalar-evolution.c (scev_const_prop): Likewise.
4600         * tree-sra.c (sra_build_assignment): Likewise.
4601         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
4602         * tree-ssa-math-opts.c (insert_reciprocals,
4603         execute_cse_sincos_1): Likewise.
4604         * tree-tailcall.c (adjust_accumulator_values,
4605         adjust_return_value): Likewise.
4606         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
4607         * tree-vect-transform.c (vect_create_data_ref_ptr,
4608         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
4609         vect_create_epilog_for_reduction, vectorizable_reduction,
4610         vectorizable_call, vectorizable_conversion,
4611         vectorizable_assignment, vectorizable_operation,
4612         vectorizable_type_demotion, vect_gen_widened_results_half,
4613         vect_permute_store_chain, vectorizable_store,
4614         vect_setup_realignment, vect_permute_load_chain,
4615         vectorizable_load, vectorizable_condition,
4616         vect_create_cond_for_align_checks): Likewise.
4617         * tree-vrp.c (build_assert_expr_for): Likewise.
4618
4619 2007-03-08  Ian Lance Taylor  <iant@google.com>
4620
4621         * tree-vrp.c: Include "intl.h".
4622         (usable_range_p): New static function.
4623         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
4624         overflowed values, juts set *strict_overflow_p.
4625         (compare_values): Only return -2 if one of the operands is not a
4626         constant.
4627         (compare_ranges): Call usable_range_p.
4628         (compare_range_with_value): Likewise.
4629         (vrp_evaluate_conditional_warnv): Rename from
4630         vrp_evaluate_conditional.  Make static.  Change all callers.
4631         (vrp_evaluate_conditional): New function.
4632         (simplify_div_or_mod_using_ranges): Issue warning about reliance
4633         on signed overflow.
4634         (simplify_abs_using_ranges): Likewise.
4635         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
4636         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
4637         within_stmt parameter.
4638         * tree-ssa-propagate.c (fold_predicate_in): Update call to
4639         vrp_evaluate_conditional.
4640         * tree-ssa-threadedge.c
4641         (record_temporary_equivalences_from_stmts_at_dest): Change
4642         simplify parameter to take a second tree parameter.
4643         (simplify_control_stmt_condition): Likewise.
4644         (thread_across_edge): Likewise.
4645         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
4646         (thread_across_edge): Likewise.
4647         * Makefile.in (tree-vrp.o): Depend upon intl.h.
4648
4649 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
4650
4651         * config/i386/i386.h (TARGET_SAHF): New define.
4652         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
4653         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
4654         (x86_sahf): New global variable.
4655         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
4656         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
4657         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
4658         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
4659         for 64-bit.
4660         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
4661         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
4662         when expanding fcomi/sahf based tests.
4663         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
4664         expanding sahf based alternative. Emit sahf based sequence when
4665         optimizing for code size.
4666         * config/i386/i386.md (x86_sahf_1): Do not disable for
4667         TARGET_64BIT, enable for TARGET_SAHF.
4668
4669 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
4670
4671         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
4672         spurious whitespace from error message.
4673
4674 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
4675
4676         PR c++/30852
4677         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
4678
4679 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
4680
4681         * c-decl.c (grokdeclarator): Disable warnings for anonymous
4682         bitfields.
4683         * tree-sra.c (instantiate_element): Propagate disabled warnings
4684         from the element itself to the created variable.
4685
4686 2007-03-07  Richard Henderson  <rth@redhat.com>
4687
4688         PR target/30848
4689         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
4690         silently fix up the stack in the case of a missing register.
4691
4692 2007-03-07  Paul Brook  <paul@codesourcery.com>
4693
4694         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
4695
4696 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
4697
4698         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
4699         New.
4700         (phase1_vrs): Use them.
4701         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
4702         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
4703         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
4704         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
4705         __gnu_Unwind_Restore_WMMXC if required.
4706         (_Unwind_VRS_Pop): Implement iWMMXt support.
4707         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
4708         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
4709         gnu_Unwind_Save_WMMXC): Define.
4710
4711 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
4712
4713         * config/vxworks.h (vxworks_override_options): Declare.
4714         (VXWORKS_OVERRIDE_OPTIONS): Use it.
4715         * config/vxworks.c: Include target.h and toplev.h.
4716         (vxworks_override_options): New function.
4717         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
4718
4719 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
4720
4721         * config/s390/s390.c (override_options): Don't emit an error when
4722         -mstack-size is used without providing -mstack-guard.
4723         (s390_emit_prologue): Choose stack_guard value automatically if not
4724         provided via command line.
4725         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
4726
4727 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
4728
4729         * config/i386/i386.c (output_set_got): Add a GOT initialization
4730         sequence for VxWorks PIC.
4731         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
4732         around labels as well as symbols.  Use gotoff_operand instead
4733         of local_symbolic_operand.
4734         (legitimize_pic_address): Use gotoff_operand instead of
4735         local_symbolic_operand.  Use @GOT accesses for labels as
4736         well as symbols.
4737         (ix86_output_addr_diff_elt): Use PC-relative rather than
4738         GP-relative offsets for VxWorks PIC.
4739         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
4740         no_new_pseudos.  Check whether the returned register is op0.
4741         * config/i386/i386.md (tablejump): Use PC-relative rather than
4742         GP-relative offsets for VxWorks PIC.
4743         * config/i386/predicates.md (gotoff_operand): New predicate.
4744
4745 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4746
4747         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
4748         before defining.
4749         * config/vxworks-dummy.h: New file.
4750         * config/i386/i386.h: Include it.
4751
4752 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
4753
4754         * dwarf2out.c (is_inlined_entry_point): New
4755         (add_high_low_attributes): Emit DW_AT_entry_pc along with
4756         DW_AT_ranges if the first subblock is the entry point.
4757
4758 2007-03-06  David Daney  <ddaney@avtrex.com>
4759
4760         * doc/install.texi (mips-*-*): Change recommended binutils
4761         version.
4762
4763 2007-03-06  Anatoly Sokolov <aesok@post.ru>
4764
4765         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
4766         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
4767         devices.
4768         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4769         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4770
4771 2007-03-06  Jan Hubicka  <jh@suse.cz>
4772
4773         * errors.h (warning, error, fatal, internal_error): Mark as cold.
4774         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
4775         are hot.
4776         (probably_cold_bb_p): Cold functions are cold.
4777         (probably_never_executed_bb_p): Cold functions are cold.
4778         (tree_bb_level_predictions): Predict calls to cold functions as not
4779         taken.
4780         (compute_function_frequency): Check hot/cold attributes.
4781         * function.h (function_frequency): Update comments.
4782         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
4783         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
4784         (c_common_att): Add cold and hot.
4785
4786         * doc/extend.texi (hot,cold attributes): Document.
4787
4788 2007-03-06  Andrew Haley  <aph@redhat.com>
4789
4790         * function.c (expand_function_end): Move blockage to just after we
4791         emit the label for the naked return from the function.
4792
4793 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4794
4795         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
4796         before redefining.
4797
4798 2007-03-06  Jan Hubicka  <jh@suse.cz>
4799
4800         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
4801         loaded for constant large models.  Non-large 64bit PIC can do.
4802         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
4803         * cmodel.h: Add LARGE PIC.
4804         * i386.md (UNSPEC_PLTOFF): New.
4805         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
4806         needed.
4807         (*call_1_rex64): Disable for large models.
4808         (*call_1_rex64_large): New.
4809         (*call_value_1_rex64): Disable for large models.
4810         (*call_value_1_rex64_large): New.
4811         (set_rip_rex4): New.
4812         (set_got_offset_rex64): New.
4813         * predicates.md (constant_call_address_operand): For large model
4814         constant calls are not possible.
4815         * i386-protos.h (construct_plt_address): Declare.
4816         * i386.c (override_options): Accept large models.
4817         (ix86_expand_prologue): Expand large PIC GOT pointer load.
4818         (legitimate_constant_p): Add new UNSPECs.
4819         (legitimate_pic_operand_p): Likewise.
4820         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
4821         (legitimize_pic_address): Do easy RIP relative way for TLS only for
4822         non-large model.
4823         (output_pic_addr_const): Add PLTOFF.
4824         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
4825         (ix86_expand_move): Legitimize pic address when in PIC mode.
4826         (construct_plt_address): New function.
4827         (ix86_expand_call): Offload the address to register and use GOT pointer
4828         for large model.
4829         * invoke.texi (mcmodel=large): Update documentation.
4830
4831 2007-03-06  Richard Henderson  <rth@redhat.com>
4832
4833         * config/i386/i386.c (x86_use_leave, x86_push_memory,
4834         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
4835         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
4836         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
4837         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
4838         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
4839         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
4840         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
4841         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
4842         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4843         x86_partial_reg_dependency, x86_memory_mismatch_stall,
4844         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
4845         x86_sse_partial_reg_dependency, x86_sse_split_regs,
4846         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
4847         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
4848         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
4849         x86_schedule, x86_use_bt, x86_pad_returns,
4850         x86_use_xchgb): Merge into ...
4851         (ix86_tune_features): ... here.  New array.
4852         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
4853         x86_bswap): Merge into ...
4854         (ix86_arch_features): ... here.  New array.
4855         (x86_3dnow_a): Remove.
4856         (x86_accumulate_outgoing_args): Make static.
4857         (x86_arch_always_fancy_math_387): Make static.
4858         (ix86_tune_mask, ix86_arch_mask): Move ...
4859         (override_options): ... to local variables here.  Apply the
4860         appropriate mask to each element of ix86_arch_features and
4861         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
4862         as were done in the old macros.
4863         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
4864         * config/i386/i386.h (x86_use_leave, x86_push_memory,
4865         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
4866         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
4867         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
4868         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
4869         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
4870         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
4871         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
4872         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
4873         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
4874         x86_partial_reg_dependency, x86_memory_mismatch_stall,
4875         x86_accumulate_outgoing_args, x86_prologue_using_move,
4876         x86_epilogue_using_move, x86_decompose_lea,
4877         x86_arch_always_fancy_math_387, x86_shift1,
4878         x86_sse_partial_reg_dependency, x86_sse_split_regs,
4879         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
4880         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
4881         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
4882         x86_use_incdec, x86_pad_returns, x86_bswap,
4883         x86_partial_flag_reg_stall): Remove.
4884         (enum ix86_tune_indices): New.
4885         (ix86_tune_features): New.
4886         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
4887         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
4888         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
4889         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
4890         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
4891         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
4892         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
4893         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
4894         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
4895         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
4896         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
4897         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
4898         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
4899         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
4900         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
4901         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
4902         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
4903         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
4904         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
4905         TARGET_EXT_80387_CONSTANTS): Use it.
4906         (enum ix86_arch_indices): New.
4907         (ix86_arch_features): New.
4908         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
4909         TARGET_BSWAP): Use it.
4910         (ix86_tune_mask, ix86_arch_mask): Remove.
4911
4912 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
4913
4914         PR bootstrap/31020
4915         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
4916         Define using $${sysroot_headers_suffix}.
4917         * configure: Regenerate.
4918         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
4919         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
4920         defined.
4921         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
4922         * gcc.c (print_sysroot_headers_suffix): New.
4923         (option_map): Include --print-sysroot-headers-suffix.
4924         (display_help): Mention -print-sysroot-headers-suffix.
4925         (process_command): Handle -print-sysroot-headers-suffix.
4926         (do_spec_1): Append multilib directory to include-fixed path if
4927         sysroot suffixes in use.
4928         (main): Handle -print-sysroot-headers-suffix.
4929         * Makefile.in (start.encap): Don't depend on xlimits.h
4930         (xlimits.h): Remove.
4931         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
4932         limits.h for each multilib in fixinc_list.
4933         (fixinc_list, s-fixinc_list): New.
4934         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
4935         generate them for each multilib in fixinc_list.
4936         (stmp-fixproto): Use include-fixed.  Run fixproto for each
4937         multilib in fixinc_list.
4938         (mostlyclean): Don't remove xlimits.h.
4939         (clean): Remove include-fixed.
4940         (real-install-headers-tar, real-install-headers-cpio,
4941         real-install-headers-cp): Don't copy include, only include-fixed.
4942         (install-mkheaders): Depend on fixinc_list.  Don't depend on
4943         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
4944         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
4945         SYSTEM_HEADER_DIR setting in mkheaders.conf.
4946
4947 2007-03-06  Jan Hubicka  <jh@suse.cz>
4948
4949         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
4950         NANs easilly.
4951
4952 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4953
4954         * configure.ac: Allow tm_file to contain build-directory files.
4955         * configure: Regenerate.
4956         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
4957         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
4958         * config/m68k/print-sysroot-suffix.sh: New file.
4959
4960 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4961
4962         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
4963         of pic_offset_table_rtx if reload_completed.
4964         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
4965         PIC_OFFSET_TABLE_REGNUM.
4966         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
4967         return true.
4968         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
4969         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
4970
4971 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4972
4973         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
4974         functions that call eh_return.
4975
4976 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4977
4978         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
4979         functions that need a constant pool.
4980
4981 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4982
4983         PR target/28181
4984         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
4985         (m68k_preferred_reload_class): Likewise.
4986         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
4987         (SECONDARY_RELOAD_CLASS): Define.
4988         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
4989         (LIMIT_RELOAD_CLASS): Delete.
4990         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
4991         registers from storing bytes.
4992         (m68k_secondary_reload_class): New function.
4993         (m68k_preferred_reload_class): Likewise.
4994
4995 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4996
4997         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
4998         leaf functions.
4999         (m68k_expand_prologue): Likewise.
5000
5001 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5002
5003         * config/m68k/m68k-protos.h (output_sibcall): Declare.
5004         (mips_expand_epilogue): Add a bool parameter.
5005         (m68k_legitimize_sibcall_address): Declare.
5006         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
5007         (m68k_expand_epilogue): Add a parameter to select between sibling
5008         and normal epilogues.  Only generate a return for the latter.
5009         (m68k_ok_for_sibcall_p): New function.
5010         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
5011         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
5012         (sibcall_value, *sibcall_value): Likewise.
5013         (*call, *call_value): Require !SIBLING_CALL_P.
5014         (epilogue): Update call to m68k_expand_epilogue.
5015         (sibcall_epilogue): New pattern.
5016         * config/m68k/predicates.md (const_call_operand): Say that this
5017         predicate applies to sibling calls too.
5018         (sibcall_operand): New predicate.
5019
5020 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5021
5022         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
5023         alternatives as movsi_cf.
5024         (movsf_cf_hard): Add commentary.
5025
5026 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
5027             Richard Sandiford  <richard@codesourcery.com>
5028
5029         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
5030         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
5031         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
5032         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
5033         as being live on exit from an interrupt function.
5034         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
5035         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
5036         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
5037         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
5038         (m68k_interrupt_function_p): Globalize.
5039         (m68k_compute_frame_layout): Remove reverse mask code.
5040         (m68k_emit_movem, m68k_set_frame_related): New functions.
5041         (m68k_output_function_prologue): Delete in favor of...
5042         (m68k_expand_prologue): ...this new function.
5043         (m68k_output_function_epilogue): Delete in favor of...
5044         (m68k_expand_epilogue): ...this new function.
5045         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
5046         functions.
5047         (print_operand): Handle %?.
5048         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
5049         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
5050         (prologue, epilogue): New patterns.
5051         (return): Turn into a define_expand.
5052         (*return): New pattern, derived from old "return" pattern.  Use rte
5053         rather than rts for interrupt functions.  Only use rtd if the pop
5054         count is nonzero.
5055         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
5056         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
5057         (link, *link, unlink, *unlink, load_got): Likewise.
5058
5059 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5060
5061         PR target/23482
5062         PR target/17114
5063         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
5064         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
5065         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
5066         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
5067         and m68k_matches_u_p.
5068         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
5069         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
5070         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
5071         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
5072         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
5073         (REG_STRICT_P): New macro.
5074         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
5075         PCREL_GENERAL_OPERAND_OK.
5076         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
5077         m68k_legitimate_base_reg_p.
5078         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
5079         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
5080         (PIC_CASE_VECTOR_ADDRESS): Update comment.
5081         * config/m68k/m68k.c (m68k_address): New structure.
5082         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
5083         (m68k_decompose_index, m68k_legitimate_constant_address_p)
5084         (m68k_jump_table_ref_p, m68k_decompose_address)
5085         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
5086         (m68k_matches_u_p): New functions.
5087         (print_operand_address): Rewrite to use m68k_decompose_index.
5088
5089 2007-03-05  David Taylor  <dtaylor@emc.com>
5090
5091         * gcc.c: Correct copyright date in --version output.
5092
5093 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5094
5095         * pa.md: In unamed move patterns, disparge copies between general
5096         and floating point registers using '?' modifier.  Don't include 'f'
5097         constraint for register preferences in DImode, SImode, HImode and
5098         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
5099         Remove constraints for copies between general and floating registers
5100         in soft-float DFmode pattern.
5101         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
5102         floating register.
5103         (movsf): Likewise.
5104
5105 2007-03-05  Mike Stump  <mrs@apple.com>
5106
5107         * c-common.c (targetcm): Add.
5108         * c-opts.c (c_common_handle_option): Handle language specific
5109         target options.
5110         * opts.c (handle_option): Verify language for target options, if
5111         any are given.
5112         * opth-gen.awk: Add CL_LANG_ALL.
5113         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
5114         (TARGETCM_INITIALIZER): Add.
5115         * target.h (struct gcc_targetcm): Add.
5116         (targetcm): Add.
5117         * targhooks.c (default_handle_c_option): Add.
5118         * targhooks.h (default_handle_c_option): Add.
5119         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
5120
5121         * config/darwin.opt (iframework): Add.
5122         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
5123         * config/darwin-c.c (handle_c_option): Add.
5124         (TARGET_HANDLE_C_OPTION): Add.
5125         (targetcm): Add.
5126         * doc/invoke.texi (Darwin Options): Add -iframework.
5127
5128 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5129
5130         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
5131         conversion.
5132
5133 2007-03-05  Ian Lance Taylor  <iant@google.com>
5134
5135         * c.opt (fgnu89-inline): New option.
5136         * c-opts.c (c_common_post_options): Set default value for
5137         flag_gnu89_inline.
5138         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
5139         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
5140         inline functions.
5141         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
5142         (grokdeclarator, start_function): Likewise.
5143         * c-cppbuiltin.c (c_cpp_builtins): Define either
5144         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
5145         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
5146         (C Dialect Options): Document -fgnu89-inline.
5147         * doc/extend.texi (Function Attributes): Explain what the
5148         gnu_inline attribute does.
5149         * doc/cpp.texi (Common Predefined Macros): Document
5150         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
5151
5152 2007-03-05  Ian Lance Taylor  <iant@google.com>
5153
5154         PR tree-optimization/31034
5155         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
5156         half-range if the other side is an overflow infinity.
5157
5158 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
5159
5160         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
5161         (bfin*-linux-uclibc*): New configuration.
5162         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
5163         defining.
5164         * config/bfin/linux.h: New file.
5165         * config/bfin/libgcc-bfin.ver: New file.
5166         * config/bfin/t-bfin-uclinux: New file.
5167         * config/bfin/t-bfin-linux: New file.
5168         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
5169         (TARGET_OS_CPP_BUILTINS): New macro.
5170
5171 2007-03-05  Richard Guenther  <rguenther@suse.de>
5172
5173         * fold-const.c (fold_binary): Remove duplicate folding
5174         of comparison of non-null ADDR_EXPR against null.
5175
5176 2007-03-05  Richard Guenther  <rguenther@suse.de>
5177             Dorit Nuzman  <dorit@il.ibm.com>
5178
5179         PR tree-optimization/26420
5180         * tree-vectorizer.c (vectorize_loops): Bail out early if there
5181         are no loops in the function.  Only print the number of
5182         vectorized loops if it is greater than zero or we are supposed
5183         to print information about unvectorized loops.
5184
5185 2007-03-05  Revital Eres  <eres@il.ibm.com>
5186
5187         * gcc.dg/var-expand1.c: New test.
5188         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
5189         when an accumulator is expanded.
5190
5191 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5192
5193         PR other/30465
5194         * c-common.c (convert_and_check): Don't give warnings for
5195         conversion if 'expr' already overflowed.
5196
5197 2007-03-04  Roger Sayle  <roger@eyesopen.com>
5198
5199         PR middle-end/30744
5200         * fold-const.c (fold_comparison): Enforce type consistency when
5201         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
5202
5203 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
5204
5205         * tree-ssa-address.c (create_mem_ref): Do not put an expression
5206         containing a cast to the base of TARGET_MEM_REF.
5207
5208 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
5209
5210         * tree.c (tree_contains_struct_check_failed): Remove spurious
5211         whitespace from error message.
5212
5213 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
5214
5215         PR target/30406
5216         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
5217         instead of precision.
5218
5219 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
5220             Nathan Sidwell  <nathan@codesourcery.com>
5221
5222         * emit-rtl.c (find_auto_inc): New.
5223         (try_split): recreate REG_INC notes,
5224         Use regular for loops rather than whiles.
5225
5226 2007-03-03  Andreas Schwab  <schwab@suse.de>
5227
5228         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
5229         * configure: Regenerate.
5230
5231 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5232
5233         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
5234         flag_rounding_math, not flag_unsafe_math_optimizations.
5235
5236         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
5237         fold_build2.
5238         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
5239         alpha_fold_vector_minmax): Likewise.
5240         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
5241         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
5242
5243 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
5244
5245         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
5246         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
5247         if the lhs has side-effects.
5248         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
5249
5250 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5251
5252         * config/i386/i386.h (TUNEMASK): Remove define.
5253         (ARCHMASK): Remove define.
5254         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
5255          Use ix86_arch_mask variable instead of ARCHMASK.
5256         * config/i386/i386.c (override_options): Ditto.
5257         (standard_80387_constant_p): Ditto.
5258
5259 2007-03-02  Ian Lance Taylor  <iant@google.com>
5260
5261         Used signed infinities in VRP.
5262         * tree-vrp.c (uses_overflow_infinity): New static function.
5263         (supports_overflow_infinity): New static function.
5264         (make_overflow_infinity): New static function.
5265         (negative_overflow_infinity): New static function.
5266         (positive_overflow_infinity): New static function.
5267         (is_negative_overflow_infinity): New static function.
5268         (is_positive_overflow_infinity): New static function.
5269         (is_overflow_infinity): New static function.
5270         (overflow_infinity_range_p): New static function.
5271         (compare_values_warnv): New function split out of compare_values.
5272         (compare_value): Call it.
5273         (set_value_range_to_nonnegative): Add overflow_infinity
5274         parameter.  Change caller.
5275         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
5276         Change callers.
5277         (vrp_expr_computes_nonzero): Likewise.
5278         (compare_ranges, compare_range_with_value): Likewise.
5279         (compare_name_with_value, compare_names): Likewise.
5280         (vrp_evaluate_conditional): Likewise.
5281         (set_value_range): Handle infinity
5282         (vrp_operand_equal_p, operand_less_p): Likewise.
5283         (extract_range_from_assert): Likewise.
5284         (vrp_int_const_binop): Likewise.
5285         (extract_range_from_binary_expr): Likewise.
5286         (extract_range_from_unary_expr): Likewise.
5287         (extract_range_from_comparison): Likewise.
5288         (extract_range_from_expr): Likewise.
5289         (dump_value_range): Likewise.
5290         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
5291         (test_for_singularity): Likewise.
5292         (vrp_int_const_binop): Remove inline qualifier.
5293         (adjust_range_with_scev): Add comment.
5294         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
5295
5296 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
5297
5298         * tree-ssa-structalias.c (could_have_pointers): Tidy.
5299         (get_constraint_for): Likewise.
5300         (do_structure_copy): Likewise.
5301         (find_func_aliases): Fix references to MODIFY_EXPR.
5302         (intra_create_variable_infos): Tidy.
5303         * tree-ssa-operands.c (add_virtual_operand): Add argument
5304         IS_CALL_SITE.
5305         When adding members of alias sets, if IS_CALL_SITE is true and
5306         the symbol is not call-clobbered, skip it.
5307         Adjust all callers.
5308
5309 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
5310
5311         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
5312         entry by means of emit_insn_at_entry.
5313
5314 2007-03-02  Richard Henderson  <rth@redhat.com>
5315
5316         * expr.h (promoted_input_arg): Remove decl.
5317         * function.c (promoted_input_arg): Merge into ...
5318         * combine.c (setup_incoming_promotions): ... only caller.
5319         Rearrange to avoid double loop.
5320
5321 2007-03-02  Ben Elliston  <bje@au.ibm.com>
5322             Peter Bergner  <bergner@vnet.ibm.com>
5323             Janis Johnson  <janis187@us.ibm.com>
5324
5325         * config/rs6000/dfp.md: New file.
5326         * config/rs6000/rs6000.md: Include dfp.md.
5327         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
5328         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
5329         and TDmode decimal float modes in FP registers.
5330         (num_insns_constant): Likewise.
5331         (rs6000_legitimate_offset_address_p): Likewise.
5332         (rs6000_legitimize_address): Likewise.
5333         (rs6000_legitimize_reload_address): Likewise.
5334         (rs6000_legitimate_address): Likewise.
5335         (rs6000_emit_move): Likewise.
5336         (function_arg_boundary): Likewise.
5337         (function_arg_advance): Likewise.
5338         (rs6000_darwin64_record_arg_recurse): Likewise.
5339         (function_arg): Likewise.
5340         (rs6000_gimplify_va_arg): Likewise.
5341         (rs6000_split_multireg_move): Likewise.
5342         (rs6000_output_function_epilogue): Likewise.
5343         (rs6000_output_function_epilogue): Likewise.
5344         (rs6000_register_move_cost): Likewise.
5345         (rs6000_function_value): Likewise.
5346         (rs6000_libcall_value): Likewise.
5347
5348 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
5349
5350         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
5351
5352 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
5353
5354         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
5355         Use $MULTIDIR to choose between the kernel and RTP headers,
5356         and use $WIND_BASE and $WIND_USR to locate them.
5357
5358 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5359
5360         * config/i386/i386.c (override_options): Put initialization of
5361         ix86_tune_mask and ix86_arch_mask to the correct place.
5362
5363 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5364             Michael Meissner  <michael.meissner@amd.com>
5365
5366         PR target/31019
5367         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
5368         (ARCHMASK): Define.
5369         (TARGET_CMOVE): Use ARCHMASK.
5370         (TARGET_CMPXCHG): Ditto.
5371         (TARGET_CMPXCHG8B): Ditto.
5372         (TARGET_XADD): Ditto.
5373         (TARGET_BSWAP): Ditto.
5374         * config/i386/i386.c (ix86_tune_mask): New global variable.
5375         (ix86_arch_mask): Ditto.
5376         (override_options): Initialize ix86_tune_mask and
5377         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
5378         target_flags.
5379
5380 2007-03-02  Ben Elliston  <bje@au.ibm.com>
5381
5382         PR 30992
5383         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
5384
5385 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
5386
5387         * target.h (init_dwarf_reg_sizes_extra): New target hook.
5388         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
5389         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
5390         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
5391         hook.
5392         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
5393         rs6000_init_dwarf_reg_sizes_extra): New.
5394         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
5395         SPE register high parts.
5396
5397 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
5398
5399         * Makefile.in: Add install-pdf target as
5400         copied from automake v1.10 rules.
5401         * configure.ac: Add install-pdf to target list.
5402         * configure: Regenerate.
5403
5404 2007-03-01  Paul Brook  <paul@codesourcery.com>
5405
5406         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
5407         modes to LDRD for DImode.
5408         (output_move_double): Fixup out of range ldrd/strd.
5409         (vfp_secondary_reload_class): Rename...
5410         (coproc_secondary_reload_class): ... to this.  Add wb argument.
5411         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
5412         coproc_secondary_reload_class for CLASS_IWMMXT.
5413         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
5414         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
5415
5416 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
5417
5418         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
5419         factor by the estimated number of iterations.
5420         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
5421         prefetch latency.
5422
5423         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
5424         decode_caches_intel, detect_caches_intel): New functions.
5425         (host_detect_local_cpu): Use detect_caches_amd and
5426         detect_caches_intel.
5427
5428 2007-03-01  Richard Henderson  <rth@redhat.com>
5429
5430         * expr.c (emit_move_complex_push): Export.
5431         (emit_move_complex_parts): Split out from ...
5432         (emit_move_complex): ... here.
5433         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
5434         * config/i386/i386.md (movcdi): New.
5435
5436 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
5437
5438         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
5439         size of mode1 to check for tieable modes in MMX case.
5440
5441 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
5442
5443         * Makefile.in (rtlanal.o): Depend on tree.h.
5444         * rtl.h (offset_within_section_p, split_const): Declare.
5445         * rtlanal.c: Include tree.h.
5446         (offset_within_block_p): New function, taken from
5447         mips_offset_within_object_p.
5448         (split_const): New function, taken from mips_split_const.
5449         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
5450         Declare.
5451         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
5452         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
5453         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
5454         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
5455         (m68k_illegitimate_symbolic_constant_p): New function.
5456         * config/m68k/m68k.md (movsi): Remove misleading predicates.
5457         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
5458         symbolic constant that might be outside the symbol's section,
5459         move the symbol first and then add the offset.
5460         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
5461         Override.
5462         * config/mips/mips.c (mips_split_const): Delete.
5463         (mips_offset_within_object_p): Delete.
5464         (mips_symbolic_constant_p): Use offset_within_section_p and
5465         split_const instead of mips_offset_within_object_p and
5466         mips_split_const.
5467         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
5468         (mips_legitimize_const_move, print_operand_reloc)
5469         (mips_dangerous_for_la25_p): Use split_const instead of
5470         mips_split_const.
5471
5472 2007-02-28  Eric Christopher  <echristo@apple.com>
5473
5474         * Makefile.in (install-include-dir): Don't rm -rf include.
5475
5476 2007-02-28  Richard Guenther  <rguenther@suse.de>
5477
5478         PR middle-end/30364
5479         * fold-const.c (fold_binary): Do not associate expressions
5480         with more than one variable for integer types that do not wrap.
5481
5482 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
5483
5484         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
5485         Delete, and replace with...
5486         (fold_builtin_call_array): This.  Update callers to use it.
5487         * fold-const.c (fold_build_call_list): Delete, and replace with...
5488         (fold_build_call_array): This.
5489         (fold_build_call_list_initializer): Delete, and replace with...
5490         (fold_build_call_array_initializer): This.
5491         * tree.h: Update declarations to reflect above changes.
5492
5493         * c-typeck.c (build_function_call): Store converted arguments
5494         in a stack-allocated array instead of building a list.
5495         (convert_arguments): Store arguments in the array passed in as an
5496         argument, and return the actual number of arguments.
5497         * c-format.c: (check_function_format): Pass arguments in an
5498         array instead of a list.
5499         * c-common.c (check_function_nonnull): Likewise.
5500         (check_function_sentinel): Likewise.
5501         (check_function_arguments): Likewise.
5502         * c-common.h: Update declarations to reflect above changes.
5503
5504 2007-02-28  Jan Hubicka  <jh@suse.cz>
5505
5506         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
5507         PRED_NEGATIVE_RETURN): Update outcomes.
5508
5509 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
5510
5511         * calls.c (emit_library_call_value_1): Handle partial registers
5512         correctly when building up CALL_INSN_FUNCTION_USAGE.
5513
5514 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5515
5516         * pa/predicates.md (move_src_operand): Allow zero for mode.
5517         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
5518         move pattern.
5519
5520 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
5521
5522         PR target/30970
5523         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
5524         *movv2df_internal): Enable pattern only for valid operand
5525         combinations.
5526         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
5527         tie only 128bit modes. For MMX registers, tie only 64bit modes.
5528
5529 2007-02-27  Mike Stump  <mrs@apple.com>
5530
5531         * config/darwin-crt3.c: Avoid compilation when compiling for a
5532         kext multilib.
5533
5534 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
5535
5536         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
5537         FIXED_INCLUDE_DIR.
5538         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
5539         for fixed headers and limits.h.
5540         (install-include-dir, install-headers-tar, install-headers-cpio,
5541         install-headers-cp, real-install-headers-tar,
5542         real-install-headers-cpio, real-install-headers-cp): Handle
5543         include-fixed as well as include.
5544         (install-mkheaders): Don't install files that go only in include
5545         not include-fixed.
5546         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
5547         from GCC_INCLUDE_DIR.
5548         * gcc.c (process_command): Remove special -BstageN/ handling.
5549         (do_spec_1): Add include-fixed directories.
5550
5551 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5552
5553         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
5554         _smulsi3_highpart.
5555         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
5556         New functions.
5557         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
5558         patterns.
5559
5560 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
5561
5562         * c-common.c (get_priority): Add check for
5563         SUPPORTS_INIT_PRIORITY.
5564
5565 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5566
5567         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
5568
5569         * config/bfin/bfin.c: Include "cfglayout.h".
5570         (MAX_LSETUP_DISTANCE): New macro.
5571         (struct loop_info): New members incoming, incoming_src and
5572         incoming_dest.  Delete member predecessor.
5573         (length_for_loop): New function.
5574         (bfin_optimize_loop): Handle more different loop structures.
5575         (bfin_discover_loop): Rework detection of predecessor blocks by
5576         examining incoming edges.
5577         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
5578         bfin_reorg_loops.
5579         (bfin_reorder_loops): New function.
5580         (bfin_reorg_loops): Use these three new functions.
5581
5582         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
5583         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
5584         (CONSTRAINT_LEN): Add entry for 'q'.
5585         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
5586         Add 'q' constraints.
5587         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
5588         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
5589
5590         * config/bfin/bfin.md (add_with_carry): New pattern.
5591         (s_or_u, su_optab, su_modifier): New code macros/attrs.
5592         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
5593         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
5594         support unsigned multiplies too.  Removed incorrect commutativity from
5595         operand 1 constraint where appropriate.
5596         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
5597         patterns.
5598         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
5599         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
5600         New patterns.
5601         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
5602         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
5603         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
5604         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
5605         usmulhisi_hh_huh): New patterns.
5606
5607         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
5608         lshifthi3): Fix output template to use half reg for operand 2.
5609
5610         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
5611         instead of R2.
5612
5613         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
5614
5615 2007-02-27  Andreas Schwab  <schwab@suse.de>
5616
5617         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
5618
5619 2007-02-27  Jan Hubicka  <jh@suse.cz>
5620
5621         * predict.c (last_basic_block_p): Remove.
5622         (tree_estimate_probability): Update return heuristic for commonized
5623         return blocks.
5624
5625 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
5626
5627         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
5628
5629 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
5630
5631         * doc/include/gcc-common.texi (versionsubtitle): New macro.
5632         * doc/cpp.texi: Standardize title page.
5633         * doc/cppinternals.texi: Likewise.
5634         * doc/gcc.texi: Standardize title page, remove version number
5635         from copyright page.
5636         * doc/gccint.texi: Likewise.
5637         * doc/install.texi: Standardize title page, add table of
5638         contents.
5639
5640 2007-02-26  Jan Hubicka  <jh@suse.cz>
5641
5642         * predict.def: Set outcomes according to more recent results.
5643         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
5644         Remove dead predictors.
5645         * predict.c (return_prediction): Fix pasto.
5646
5647 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5648
5649         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
5650         change; avoid a memory leak when returning early.
5651
5652 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
5653
5654         * c-decl.c (static_ctors): Move to c-common.c.
5655         (static_dtors): Likewise.
5656         (finish_function): Use c_record_cdtor_fn.
5657         (build_cdtor): Move to c-common.c.
5658         (c_write_global_declarations): Use c_build_cdtor_fns.
5659         * c-common.h (static_ctors): Declare.
5660         (static_dtors): Likewise.
5661         (c_record_cdtor_fn): Likewise.
5662         (c_build_cdtor_fns): Likewise.
5663         * c-common.c (static_ctors): New variable.
5664         (static_dtors): Likewise.
5665         (c_record_cdtor_fn): New function.
5666         (build_cdtor): Move from c-decl.c
5667         (c_build_cdtor_fns): New function.
5668
5669         * output.h (assemble_addr_to_section): Declare.
5670         (get_cdtor_priority_section): Likewise.
5671         * varasm.c (assemble_addr_to_section): New function.
5672         (get_cdtor_priority_section): Likewise.
5673         (default_named_section_asm_out_destructor): Use them.
5674         (destor_dtor_section_asm_out_destructor): Likewise.
5675         (default_named_section_asm_out_constructor): Likewise.
5676         (default_ctor_section_asm_out_constructor): Likewise.
5677         * config.gcc (*-*-vxworks*): Include vxworks.o.
5678         * config/t-vxworks (vxworks.o): New target.
5679         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
5680         (TARGET_ASM_CONSTRUCTOR): Define.
5681         (TARGET_ASM_DESTRUCTOR): Likewise.
5682         (vxworks_asm_out_constructor): Declare.
5683         (vxworks_asm_out_destructor): Likewise.
5684
5685         * c-common.c (get_priority): Check that we have not just an
5686         INTEGER_CST, but an integer constant with integeral type.
5687
5688 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
5689
5690         PR tree-optimization/30938
5691         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
5692         use &dt[nargs-1] instead of &dt[nargs] in the call to
5693         vect_is_simple_use().
5694
5695 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
5696
5697         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
5698         from register elimination as PRE_MODIFY / POST_MODIFY increments.
5699         Do not attempt to handle MEM inside auto-inc expressions.
5700         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
5701         of a register modified by an auto-inc expression.  However, do handle
5702         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
5703         (elimination_effects): Prohibit elimination of a register modified
5704         by an auto-inc expression.  Disable register elimination rules whose
5705         target register is modified by an auto-inc expression with variable
5706         increment.
5707
5708 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
5709
5710         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
5711         off-by-one error.
5712         (array_at_struct_end_p): New function.
5713         (idx_infer_loop_bounds): Use it.
5714         (estimate_numbers_of_iterations_loop): Export.
5715         * predict.c (predict_loops): Use estimated_loop_iterations_int.
5716         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
5717         (tree_estimate_probability): Call record_loop_exits.
5718         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
5719         (estimated_loop_iterations, estimated_loop_iterations_int,
5720         estimated_loop_iterations_tree): New functions.
5721         (analyze_siv_subscript_cst_affine,
5722         compute_overlap_steps_for_affine_1_2,
5723         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
5724         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
5725         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
5726         (PRED_LOOP_ITERATIONS_GUESSED): New.
5727         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
5728         * cfgloop.h (estimate_numbers_of_iterations_loop,
5729         estimated_loop_iterations_int): Declare.
5730
5731 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
5732
5733         * doc/extend.texi: Document optional priority argument to
5734         constructors and destructors.
5735         * tree.c (init_priority_for_decl): Adjust GTY markers.
5736         (init_ttree): Use priority-info hash functions for
5737         init_priority_for_decl.
5738         (tree_map_eq): Rename to ...
5739         (tree_map_base_eq): ... this.
5740         (tree_map_marked_p): Rename to ...
5741         (tree_map_base_marked_p): ... this.
5742         (tree_map_base_hash): New function.
5743         (decl_init_priority_lookup): Rework.
5744         (decl_fini_priority_lookup): New function.
5745         (decl_priority_info): New function.
5746         (decl_init_priority_insert): Use it.
5747         (decl_fini_priority_insert): Likewise.
5748         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
5749         hierarchy.
5750         (decl_restrict_base_insert): Likewise.
5751         (decl_debug_expr_insert): Likewise.
5752         (decl_value_expr_lookup): Likewise.
5753         (decl_value_expr_insert): Likewise.
5754         * tree.h (priority_type): New type.
5755         (decl_init_priority_lookup): Use priority_type.
5756         (decl_fini_priority_lookup): New function.
5757         (decl_init_priority_insert): Use priority_type.
5758         (decl_fini_priority_insert): New function.
5759         (DECL_HAS_INIT_PRIORITY): Tweak comments.
5760         (DECL_INIT_PRIORITY): Likewise.
5761         (SET_DECL_INIT_PRIORITY): Add comment.
5762         (DECL_FINI_PRIORITY): New macro.
5763         (SET_DECL_FINI_PRIORITY): Likewise.
5764         (DEFAULT_INIT_PRIORITY): Document.
5765         (MAX_INIT_PRIORITY): Likewise.
5766         (MAX_RESERVED_INIT_PRIORITY): Likewise.
5767         (tree_map_base): New type.
5768         (tree_map_base_eq): New function.
5769         (tree_map_base_hash): Likewise.
5770         (tree_map_base_marked_p): Likewise.
5771         (tree_map): Inherit from tree_map_base.
5772         (tree_map_eq): Make it a macro.
5773         (tree_map_marked_p): Likewise.
5774         (tree_int_map): Inherit from tree_map_base.
5775         (tree_int_map_eq): Make it a macro.
5776         (tree_int_map_hash): Likewise.
5777         (tree_int_map_marked_p): Likewise.
5778         (tree_priority_map): New type.
5779         (tree_priority_map_eq): New macro.
5780         (tree_priority_map_hash): Likewise.
5781         (tree_priority_map_marked_p): Likewise.
5782         * varasm.c (emults_decl): Adjust for refactoring of tree_map
5783         hierarchy.
5784         (emutls_common_1): Likewise.
5785         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
5786         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
5787         of tree_map hierarchy.
5788         * tree-cfg.c (move_stmt_r): Likewise.
5789         (new_label_mapper): Likewise.
5790         * c-tree.h (c_expand_body): Move to ...
5791         * c-common.h (c_expand_body): ... here.
5792         * c-decl.c (c_expand_body): Move to ...
5793         * c-common.c (c_expand_body): ... here.
5794         (c_common_attribute_table): Allow 1 argument for the constructor
5795         and destructor attributes.
5796         (get_priority): New function.
5797         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
5798         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
5799
5800 2007-02-24  Jan Hubicka  <jh@suse.cz>
5801
5802         PR middle-end/30509
5803         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
5804
5805 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
5806             Jan Hubicka  <jh@suse.cz>
5807
5808         PR target/30778
5809         * i386.c (counter_mode): New function.
5810         (expand_set_or_movmem_via_loop): Use it.
5811         (expand_movmem_epilogue): Likewise; fix pasto.
5812         (ix86_expand_movmem): Do emit guard even for constant counts.
5813         (ix86_expand_setmem): Likewise.
5814
5815 2007-02-25  Nick Clifton  <nickc@redhat.com>
5816
5817         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
5818         (JUMP_TABLES_IN_TEXT_SECTION): Define.
5819
5820 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
5821
5822         PR target/30770
5823         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
5824         count argument with 0x10, not with 0x16.
5825         (expand_setmem_epilogue): Ditto.
5826
5827 2007-02-24  Mike Stump  <mrs@apple.com>
5828
5829         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
5830         symbols.
5831
5832 2007-02-24  Richard Guenther  <rguenther@suse.de>
5833
5834         PR middle-end/30951
5835         * fold-const.c (fold_binary): Fold x +- CST op x for
5836         EQ_EXPR and NE_EXPR.
5837
5838 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5839
5840         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
5841
5842 2007-02-24  Jan Hubicka  <jh@suse.cz>
5843
5844         * cgraphunit.c (decide_is_function_needed): Honor
5845         -fkeep-inline-functions.
5846
5847 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5848
5849         * builtins.c (fold_builtin_modf): New.
5850         (fold_builtin_2): Use it.
5851
5852 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
5853
5854         * loop-iv.c (implies_p): Detect additional cases where A implies B.
5855         (determine_max_iter): Take additional LOOP arg; all callers changed.
5856         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
5857         one using simplifications.
5858         (simplify_using_initial_values): Return if the expression becomes
5859         invalid due to altered regs.
5860
5861 2007-02-23  DJ Delorie  <dj@redhat.com>
5862
5863         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
5864
5865 2007-02-23  Mike Stump  <mrs@apple.com>
5866
5867         * tlink.c (scan_linker_output): Parse linker messages from
5868         darwin9's linker better.
5869
5870 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
5871
5872         PR debug/29614
5873         * varpool.c (varpool_assemble_pending_decls):  Set
5874         varpool_last_needed_node to null.
5875
5876 2007-02-23  DJ Delorie  <dj@redhat.com>
5877
5878         * config/i386/i386.c (ix86_data_alignment): Don't specify an
5879         alignment bigger than the object file can handle.
5880
5881 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
5882
5883         PR target/30825
5884         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
5885         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
5886         (*movsf_1): Penalize MMX moves.
5887
5888 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
5889
5890         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
5891         2^32-1 or more times unless flag_unsafe_loop_optimizations.
5892
5893         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
5894
5895 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5896
5897         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
5898         (fold_builtin_1): Use them.
5899         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
5900         BUILT_IN_SIGNIFICAND.
5901
5902 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
5903
5904         * config/i386/i386.c (bdesc_1arg): Initialize
5905         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
5906         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
5907         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
5908         and IX86_BUILTIN_MOVSLDUP.
5909
5910 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
5911
5912         PR rtl-optimization/30841
5913         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
5914
5915 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5916
5917         * builtins.c (fold_builtin_frexp): New.
5918         (fold_builtin_2): Use it.
5919
5920 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
5921
5922         * doc/invoke.texi (Spec Files): Document getenv spec function.
5923
5924         * gcc.c (getenv_spec_function): New function.
5925         (static_spec_functions): Add it.
5926         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
5927         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
5928         header files.
5929
5930 2007-02-22  Michael Matz  <matz@suse.de
5931
5932         PR c++/29433
5933         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
5934         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
5935
5936 2007-02-22  Ian Lance Taylor  <iant@google.com>
5937
5938         PR debug/30898
5939         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
5940         (mem_loc_descriptor): Call it.
5941
5942 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
5943             Ira Rosen  <irar@il.ibm.com>
5944
5945         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
5946
5947 2007-02-22  Ira Rosen  <irar@il.ibm.com>
5948
5949         PR tree-optimization/30843
5950         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
5951         stores only after all the group is vectorized.
5952
5953 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
5954
5955         PR tree-optimization/30858
5956         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
5957         in the reduction cycle have a single use in the loop.
5958         * tree-vectorizer.h (relevant): Add documentation.
5959
5960 2007-02-20  Mike Stump  <mrs@apple.com>
5961
5962         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
5963         * configure: Regenerate.
5964
5965 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
5966
5967         Change the defaults of some parameters and options.
5968         * config/spu/spu-protos.h (spu_optimization_options): Declare.
5969         * config/spu/spu.c (spu_optimization_options): Add.
5970         (spu_override_options): Change params in spu_optimization_options.
5971         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
5972
5973         Register 127 is only 16 byte aligned when used as a frame pointer.
5974         * config/spu/spu-protos.h (spu_init_expanders): Declare.
5975         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
5976         HARD_FRAME_POINTER_REGNUM.
5977         (spu_legitimate_address):  Use regno_aligned_for_reload.
5978         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
5979         aligned when frame_pointer_needed is true.
5980         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
5981         to 8 bits.
5982         * config/spu/spu.h (INIT_EXPANDERS): Define.
5983
5984         Make sure shift and rotate instructions have valid immediate operands.
5985         * config/spu/predicates.md (spu_shift_operand): Remove.
5986         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
5987         * config/spu/constraints.md (W, O): Extend range.
5988         * config/spu/spu.md (umask, nmask): Define.
5989         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
5990         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
5991         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
5992         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
5993         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
5994         (lshr<mode>3_reg):  Fix rtl description.
5995
5996         Make sure mulhisi immediate operands are valid.
5997         * config/spu/predicates.md (imm_K_operand): Add.
5998         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
5999
6000         Generate constants using fsmbi and andi.
6001         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
6002         (print_operand, spu_split_immediate, classify_immediate,
6003         fsmbi_const_p): Handle IC_FSMBI2.
6004
6005         Correctly handle a CONST_VECTOR containing symbols.
6006         * config/spu/spu.c (print_operand): Handle HIGH correctly.
6007         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
6008         (immediate_load_p): Allow symbols that use 2 instructions to create.
6009         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
6010         with symbols when flag_pic is set.
6011         (const_vector_immediate_p): New.
6012         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
6013         accept a CONST_VECTOR with symbols.
6014         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
6015         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
6016         correctly.
6017         * config/spu/spu.md (high, low): Delete.
6018         (low_<mode>): Define.
6019
6020         Remove INTRmode and INTR_REGNUM, which didn't work.
6021         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
6022         of INTR_REGNUM.
6023         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
6024         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
6025         peephole2 pattern): Don't use INTR or 131.
6026         (movintrcc): Delete.
6027         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
6028         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
6029         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
6030         (UNSPEC_SET_INTR): Add.
6031         * config/spu/spu-modes.def (INTR): Remove.
6032
6033         More accurate warnings about run-time relocations.
6034         * config/spu/spu.c (reloc_diagnostic): Test in_section.
6035
6036         Correctly warn about immediate arguments to specific intrinsics.
6037         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
6038         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
6039         the instruction predicate.
6040
6041         Fix tree check errors with latest update.
6042         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
6043         CALL_EXPR_ARG.
6044         (spu_expand_builtin): Use CALL_EXPR_FN.
6045
6046         Add missing specific intrinsics.
6047         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
6048         si_bislede.
6049         * config/spu/spu_internals.h: Ditto.
6050
6051         Fix incorrect operand modifiers.
6052         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
6053         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
6054
6055         Optimize one case of zero_extend of a vec_select.
6056         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
6057
6058         Accept any immediate for hbr.
6059         * config/spu/spu.md (hbr):  Change s constraints to i.
6060
6061 2007-02-21  Paul Brook  <paul@codesourcery.com>
6062
6063         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
6064         condexec_count when skipping USE and CLOBBER.
6065
6066 2007-02-21  Nick Clifton  <nickc@redhat.com>
6067
6068         * common.opt (Warray-bounds): Add Warning attribute.
6069         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
6070         Likewise.
6071         (fsized-zeroes): Add Optimization attribute.
6072         (fsplit-wide-types, ftree-scev-cprop): Likewise.
6073         * c.opt (Wc++0x-compat): Add Warning attribute.
6074
6075 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
6076
6077         PR middle-end/30761
6078         * reload1.c (eliminate_regs_in_insn): In the single_set special
6079         case, attempt to re-recognize the insn before falling back to
6080         having reload fix it up.
6081
6082 2007-02-20  Eric Christopher  <echristo@gmail.com>
6083
6084         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
6085         Rewrite accordingly.
6086         (frv_read_iacc_argument): Ditto.
6087         (frv_expand_set_builtin): Take a call instead of arglist, update for
6088         above changes.
6089         (frv_expand_unop_builtin): Ditto.
6090         (frv_expand_binop_builtin): Ditto.
6091         (frv_expand_cut_builtin): Ditto.
6092         (frv_expand_binopimm_builtin): Ditto.
6093         (frv_expand_voidbinop_builtin): Ditto.
6094         (frv_expand_int_void2arg): Ditto.
6095         (frv_expand_prefetches): Ditto.
6096         (frv_expand_voidtriop_builtin): Ditto.
6097         (frv_expand_voidaccop_builtin): Ditto.
6098         (frv_expand_load_builtin): Ditto.
6099         (frv_expand_store_builtin): Ditto.
6100         (frv_expand_mdpackh_builtin): Ditto.
6101         (frv_expand_mclracc_builtin): Ditto.
6102         (frv_expand_mrdacc_builtin): Ditto.
6103         (frv_expand_mwtacc_builtin): Ditto.
6104         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
6105         calls for above.
6106
6107 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
6108
6109         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
6110         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
6111         cmpb instruction.
6112         (HAVE_GAS_DFP): Check for assembler support of decimal floating
6113         point instructions.
6114         * configure: Regenerate.
6115         * config.in: Regenerate.
6116         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
6117         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
6118         masks to power6 and power6x and to POWERPC_MASKS.
6119         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
6120         _ARCH_PWR6.
6121         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
6122         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
6123         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
6124         Access PROTOTYPE as variable, not mask.
6125
6126 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
6127
6128         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
6129         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
6130         * combine.c (adjust_for_new_dest): Use it.
6131         * postreload.c (reload_combine): Likewise.
6132
6133 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
6134
6135         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
6136         notes on an insn with multiple sets, even if single_set returns
6137         non-NULL for that insn.
6138
6139 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6140
6141         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
6142         scalbn and scalbln.
6143
6144 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
6145
6146         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
6147         if user didn't pass it.
6148         * config/i386/darwin.h (CC1_SPEC): Likewise.
6149         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
6150         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
6151         -mmacosx-version-min.
6152
6153 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6154             Uros Bizjak  <ubizjak@gmail.com>
6155
6156         * optabs.h (enum optab_index): Add new OTI_scalb.
6157         (scalb_optab): Define corresponding macro.
6158         * optabs.c (init_optabs): Initialize scalb_optab.
6159         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
6160         patterns.
6161         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
6162         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
6163         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
6164         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
6165         flag_unsafe_math_optimizations is set.
6166
6167         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
6168         to implement scalbf, scalb and scalbl built-ins as inline x87
6169         intrinsics.
6170
6171 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6172             DJ Delorie <dj@redhat.com>
6173
6174         PR other/30824
6175         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
6176         (diagnostic_report_diagnostic): ... here, and turn them into real
6177         errors. If warnings are inhibited, no need to do anything.
6178
6179 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
6180
6181         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
6182         better code generation.
6183
6184 2007-02-20  Ben Elliston  <bje@au.ibm.com>
6185
6186         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
6187
6188 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
6189
6190         * config/alpha/alpha.c, config/alpha/alpha.md,
6191         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
6192         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
6193         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
6194         config/arm/lib1funcs.asm: Follow spelling conventions.
6195
6196         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
6197         config/fr30/fr30.md, config/i386/i386.h,
6198         config/iq2000/iq2000.h, config/iq2000/predicates.md,
6199         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
6200         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
6201         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
6202         config/rs6000/altivec.md, config/rs6000/rs6000.c,
6203         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
6204         config/sparc/sparc.c, config/sparc/sparc.h,
6205         config/sparc/sparc.md, config/spu/constraints.md,
6206         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
6207         conventions.
6208
6209 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
6210
6211         PR target/29943
6212         * varasm.c (use_blocks_for_decl_p): Return false for decls with
6213         alias attribute.
6214
6215 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
6216
6217         * doc/invoke.texi (-ftree-lrs): Remove.
6218
6219 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
6220
6221         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
6222         NULL.
6223
6224 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
6225
6226         * config/ia64/ia64.c (ia64_expand_builtin): Use the
6227         new CALL_EXPR_FN macro for retrieving the function
6228         declaration of the input expression.
6229
6230 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6231
6232         * c.opt (Waddress): New.
6233         * common.opt (Walways-true): Delete.
6234         (Wstring-literal-comparison): Delete.
6235         * doc/invoke.texi (Warning Options): Delete -Walways-true and
6236         -Wstring-literal-comparison. Add -Waddress.
6237         (Waddress): New.
6238         (Walways-true): Delete.
6239         (Wstring-literal-comparison): Delete.
6240         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
6241         consistently instead of -Walways-true in example.
6242         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
6243         * c-typeck.c (parser_build_binary_op): Replace
6244         -Wstring-literal-comparison and -Walways-true with -Waddress.
6245         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
6246         with -Waddress.
6247
6248 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
6249
6250         * tree-cfg.c (dump_function_to_file): Be prepared for functions
6251         without DECL_STRUCT_FUNCTION initialized.
6252
6253 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
6254
6255         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
6256         due to calls to functions taking pointers as parameters.
6257
6258 2007-02-19  Richard Henderson  <rth@redhat.com>
6259
6260         PR debug/29558
6261         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
6262         in memory.
6263
6264 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
6265
6266         * config/s390/s390.c (s390_call_saved_register_used,
6267         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
6268         accessed to the new scheme.
6269
6270 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
6271
6272         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
6273         (cris_print_index, cris_print_operand, cris_print_operand_address)
6274         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
6275         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
6276         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
6277         GET_CODE () == xxx.
6278         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
6279         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
6280         GO_IF_LEGITIMATE_ADDRESS): Ditto.
6281         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
6282         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
6283         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
6284         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
6285         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
6286         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
6287         (uminsi3, call, call_value): Ditto.
6288         (define_split: indir_to_reg_split, unnamed): Ditto.
6289
6290 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
6291
6292         PR tree-optimization/30975
6293         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
6294         wrong assert.
6295
6296 2007-02-18  Eric Christopher  <echristo@gmail.com>
6297
6298         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
6299         Remove use of arglist.
6300         (mips_expand_builtin): Remove use of arglist, pass in expr.
6301         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
6302         (mips_expand_builtin_movtf): Ditto.
6303         (mips_expand_builtin_compare): Ditto.
6304
6305 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
6306
6307         * tree-sra.c (sra_build_assignment): Replace assertion
6308         checking with a comment explaining why it can't be done.
6309
6310 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
6311
6312         PR middle-end/30833
6313         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
6314         during CALL_EXPR representation conversion.
6315         * tree-ssa-propagate.c (set_rhs): Likewise.
6316
6317 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
6318
6319         * tree-sra.c (sra_build_assignment): Disable assertion checking
6320         for now.
6321
6322 2007-02-18  Roger Sayle  <roger@eyesopen.com>
6323
6324         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
6325         instead of calling build2 with a GIMPLE_MODIFY_STMT.
6326         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
6327         Likewise.
6328         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
6329         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
6330         gimplify_init_ctor_eval_range, gimple_push_cleanup,
6331         gimplify_omp_for, gimplify_omp_atomic_pipeline,
6332         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
6333         force_gimple_operand): Likewise.
6334         * ipa-cp.c (constant_val_insert): Likewise.
6335         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6336         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
6337         perfect_nestify): Likewise.
6338         * langhooks.c (lhd_omp_assignment): Likewise.
6339         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
6340         lower_copyprivate_clauses, lower_send_clauses,
6341         lower_send_shared_vars, expand_parallel_call,
6342         expand_omp_for_generic, expand_omp_for_static_nochunk,
6343         expand_omp_for_static_chunk, expand_omp_sections,
6344         lower_omp_single_copy, lower_omp_for_lastprivate,
6345         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
6346         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
6347         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
6348         Likewise.
6349
6350 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
6351
6352         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
6353         config/sh/sh.md: Follow spelling conventions.
6354
6355         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
6356         config/frv/predicates.md: Follow spelling conventions.
6357
6358         * config/m68k/linux-unwind.h: Fix a comment typo.
6359         * target.h: Follow spelling conventions.
6360
6361 2007-02-18  Roger Sayle  <roger@eyesopen.com>
6362
6363         PR rtl-optimization/28173
6364         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
6365         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
6366         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
6367         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
6368         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
6369
6370 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6371
6372         * builtins.c (fold_builtin_load_exponent): New.
6373         (fold_builtin_2): Use it.
6374
6375 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
6376
6377         PR rtl-optimization/30773
6378         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
6379         if we fail to attach a REG_EQUIV note.
6380
6381 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
6382             Roger Sayle  <roger@eyesopen.com>
6383
6384         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
6385
6386 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
6387
6388         * calls.c (initialize_argument_information): Pass original EXP
6389         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
6390         code to split complex arguments here, as part of initializing the
6391         ARGS array.
6392         (expand_call): Remove code that builds a list of arguments and
6393         inserts implicit arguments into it.  Instead, just count how many
6394         implicit arguments there will be so we can determine the size of
6395         the ARGS array, and let initialize_argument_information do the work.
6396         (split_complex_values): Delete unused function.
6397
6398 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
6399
6400         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
6401
6402 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
6403
6404         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
6405         for arg pointer based indexed addressing.
6406
6407 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
6408
6409         * config/ia64/ia64.h, config/ia64/ia64.md,
6410         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
6411         spelling conventions.
6412
6413 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
6414
6415         * config/m68k/m68k.c (split_di): New.
6416         * config/m68k/m68k-protos.h: Declare split_di.
6417         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
6418           Improve predicate handling and split constant shifts.
6419
6420 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
6421
6422         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
6423         parameter for register bitfield operations, general predicates
6424         cleanup
6425
6426 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
6427
6428         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
6429         * config/m68k/linux-unwind.h: New file.
6430
6431 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
6432
6433         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
6434         config/i386/athlon.md, config/ia64/ia64.md,
6435         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
6436         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
6437         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
6438         tree-ssa-loop-niter.c, tree-vect-analyze.c,
6439         tree-vect-transform.c: Fix comment typos.
6440
6441 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
6442
6443         * sched-deps.c (find_insn_list): Remove.
6444         * sched-int.h: Remove the prototype for find_insn_list.
6445
6446 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
6447
6448         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
6449         to linker.
6450         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
6451         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
6452         darwin_rs6000_override_options.
6453         (C_COMMON_OVERRIDE_OPTIONS): Expect
6454         darwin_macosx_version_min to be non-NULL always.
6455         (TARGET_C99_FUNCTIONS): Likewise.
6456         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
6457         (DARWIN_MINVERSION_SPEC): New.
6458         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
6459         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
6460         to cc1*.
6461         (DARWIN_MINVERSION_SPEC): New.
6462         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
6463         value.
6464         * config/darwin-c.c (darwin_cpp_builtins): Expect
6465         darwin_macosx_version_min to be non-NULL always.
6466
6467         * config/rs6000/rs6000.c: Clean up trailing whitespace.
6468
6469 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
6470
6471         * config/i386/i386.h (x86_use_xchgb): New.
6472         (TARGET_USE_XCHGB): New macro.
6473         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
6474         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
6475         Split after reload into bswaphi for shifts of 8.
6476         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
6477         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
6478         or when optimizing for size.
6479
6480 2007-02-16  Richard Guenther  <rguenther@suse.de>
6481             Christian Bruel  <christian.bruel@st.com>
6482
6483         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
6484         DECLs but prefer SSA_NAMEs over DECLs.
6485
6486 2007-02-16  Richard Guenther  <rguenther@suse.de>
6487
6488         * tree-flow-inline.h (single_imm_use_p): Remove.
6489         (zero_imm_uses_p): Likewise.
6490         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
6491         instead of single_imm_use_p.
6492         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
6493         zero_imm_uses_p.
6494
6495 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6496
6497         PR other/27843
6498         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
6499         nested double- and backquotes.
6500
6501 2007-02-15  Roger Sayle  <roger@eyesopen.com>
6502
6503         PR middle-end/30391
6504         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
6505         should be unreachable.
6506         (build2_stat): Allow construction of MODIFY_EXPR at any time.
6507         For the time being redirect GIMPLE_MODIFY_STMT to the new
6508         (renamed) build_gimple_modify_stmt_stat.
6509         (build2_gimple_stat): Rename to...
6510         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
6511         Always build a GIMPLE_MODIFY_STMT node.
6512         * tree.h (build2_gimple, build2_gimple_stat): Delete.
6513         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
6514         declarations.
6515
6516         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
6517         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
6518         * tree-complex.c (set_component_ssa_name, expand_complex_move,
6519         expand_complex_div_wide): Likewise.
6520         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
6521         * tree-ssa-loop-im.c (schedule_sm): Likewise.
6522         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
6523         * tree-ssa-loop-manip.c (create_iv): Likewise.
6524         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
6525         abs_replacement): Likewise.
6526         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
6527         realify_fake_stores): Likewise.
6528
6529         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
6530         node rather than a GIMPLE_MODIFY_STMT node.
6531         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
6532         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
6533         Likewise.
6534         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
6535         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
6536         GIMPLE_MODIFY_STMT.
6537
6538 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6539
6540         PR middle-end/30433
6541         * fold-const.c (fold_comparison): Add back the
6542         folding of constant complex comparisions.
6543
6544 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6545
6546         PR middle-end/30729
6547         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
6548         effects unknown to this function, return early.
6549
6550 2007-02-15  Ian Lance Taylor  <iant@google.com>
6551
6552         * lower-subreg.c (move_eh_region_note): New static function.
6553         (resolve_simple_move): Call it.
6554         (decompose_multiword_subregs): Track blocks for which we resolve a
6555         simple move which is also a control flow insn.  Pass them to
6556         find_many_sub_basic_blocks.
6557         (pass_lower_subreg): Add TODO_verify_flow.
6558         (pass_lower_subreg2): Likewise.
6559
6560 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6561             Brooks Moses  <brooks.moses@codesourcery.com>
6562             Lee Millward  <lee.millward@codesourcery.com>
6563
6564         * tree.h (enum tree_code_class): Add tcc_vl_exp.
6565         (VL_EXP_CLASS_P): New.
6566         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
6567         TREE_CODE_LENGTH.
6568         (TREE_OPERAND_CHECK_CODE): Likewise.
6569         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
6570         (TREE_RTL_OPERAND_CHECK): Likewise.
6571         (tree_operand_check_failed): Make second parameter the whole tree
6572         instead of its code.  Fixed callers.
6573         (VL_EXP_CHECK): New.
6574         (TREE_OPERAND_LENGTH): New.
6575         (VL_EXP_OPERAND_LENGTH): New.
6576         (CALL_EXPR_FN): New.
6577         (CALL_EXPR_STATIC_CHAIN): New.
6578         (CALL_EXPR_ARGS): New.
6579         (CALL_EXPR_ARG): New.
6580         (call_expr_nargs): New.
6581         (CALL_EXPR_ARGP): New.
6582         (build_nt_call_list): Declare.
6583         (build_vl_exp_stat): Declare.
6584         (build_vl_exp): New.
6585         (build_call_list): Declare.
6586         (build_call_nary): Declare.
6587         (build_call_valist): Declare.
6588         (build_call_array): Declare.
6589         (call_expr_arg): Declare.
6590         (call_expr_argp): Declare.
6591         (call_expr_arglist): Declare.
6592         (fold_build_call_list): Declare.
6593         (fold_build_call_list_initializer): Declare.
6594         (fold_call_expr): Declare to replace fold_builtin.
6595         (fold_builtin_fputs): Update to agree with modified definition.
6596         (fold_builtin_strcpy): Likewise.
6597         (fold_builtin_strncpy): Likewise.
6598         (fold_builtin_memory_chk): Likewise.
6599         (fold_builtin_stxcpy_chk): Likewise.
6600         (fold_builtin_strncpy_chk): Likewise.
6601         (fold_builtin_next_arg): Likewise.
6602         (fold_build_call_expr): Declare.
6603         (fold_builtin_call_list): Declare.
6604         (fold_builtin_call_valist): Declare.
6605         (build_call_expr): Declare.
6606         (validate_arglist): Update to agree with modified definition.
6607         (tree_operand_length): New.
6608         (call_expr_arg_iterator): New.
6609         (init_call_expr_arg_iterator): New.
6610         (next_call_expr_arg): New.
6611         (first_call_expr_arg): New.
6612         (more_call_expr_args_p): New.
6613         (FOR_EACH_CALL_EXPR_ARG): New.
6614
6615         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
6616         and tcc_gimple_stmt.
6617         (tree_code_size): Update documentation.  Use sizeof (tree) rather
6618         than sizeof (char *).
6619         (tree_size): Likewise.  Add case for tcc_vl_exp.
6620         (tree_node_structure): Add case for tcc_vl_exp.
6621         (contains_placeholder_p): Likewise.
6622         (substitute_in_expr): Likewise.
6623         (substitute_placeholder_in_expr): Likewise.
6624         (stabilize_reference_1): Likewise.
6625         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
6626         to diagnose breakage of this interface for constructing CALL_EXPRs.
6627         (build_nt): Add similar assertion here.
6628         (build_nt_call_list): New.
6629         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
6630         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
6631         TREE_CODE_LENGTH.
6632         (get_callee_fndecl): Use new CALL_EXPR accessors.
6633         (tree_operand_check_failed): Change parameters to pass entire node
6634         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
6635         (process_call_operands): New.
6636         (build_vl_exp_stat): New.
6637         (build_call_list): New.
6638         (build_call_nary): New.
6639         (build_call_valist): New.
6640         (build_call_array): New.
6641         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6642         (call_expr_arglist): New.
6643
6644         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
6645         tcc_vl_exp instead of a fixed-size tcc_expression.
6646
6647         * doc/c-tree.texi (CALL_EXPR): Document new representation and
6648         accessors for CALL_EXPRs.
6649         (AGGR_INIT_EXPR): Likewise.
6650
6651 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6652             Brooks Moses  <brooks.moses@codesourcery.com>
6653             Lee Millward  <lee.millward@codesourcery.com>
6654
6655         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
6656         (expand_builtin_nonlocal_goto): Change parameter to be entire
6657         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
6658         (expand_builtin_prefetch): Likewise.
6659         (expand_builtin_classify_type): Likewise.
6660         (mathfn_built_in): Return NULL_TREE instead of 0.
6661         (expand_errno_check): Use new CALL_EXPR accessors.
6662         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
6663         Return NULL_RTX instead of 0.
6664         (expand_builtin_mathfn_2): Likewise.
6665         (expand_builtin_mathfn_3): Likewise.
6666         (expand_builtin_interclass_mathfn): Likewise.
6667         (expand_builtin_sincos): Likewise.
6668         (expand_builtin_cexpi): Likewise.
6669         (expand_builtin_int_roundingfn): Likewise.
6670         (expand_builtin_int_roundingfn_2): Likewise.
6671         (expand_builtin_pow): Likewise.
6672         (expand_builtin_powi): Likewise.
6673         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
6674         of arglist, fixing callers appropriately.  Use new CALL_EXPR
6675         accessors and constructors.  Return NULL_RTX instead of 0.
6676         (expand_builtin_strstr): Likewise.
6677         (expand_builtin_strchr): Likewise.
6678         (expand_builtin_strrchr): Likewise.
6679         (expand_builtin_strpbrk): Likewise.
6680         (expand_builtin_memcpy): Likewise.
6681         (expand_builtin_mempcpy): Likewise.
6682         (expand_builtin_mempcpy_args): New.
6683         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
6684         (expand_builtin_memmove_args): New.
6685         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
6686         (expand_movstr): Likewise.
6687         (expand_builtin_strcpy): Likewise.
6688         (expand_builtin_strcpy_args): New.
6689         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
6690         (expand_builtin_strncpy): Likewise.
6691         (expand_builtin_memset): Likewise.
6692         (expand_builtin_memset_args): New.
6693         (expand_builtin_bzero): Similarly to expand_builtin_memset.
6694         (expand_builtin_memcmp): Likewise.
6695         (expand_builtin_strcmp): Likewise.
6696         (expand_builtin_strncmp): Likewise.
6697         (expand_builtin_strcat): Likewise.
6698         (expand_builtin_strncat): Likewise.
6699         (expand_builtin_strspn): Likewise.
6700         (expand_builtin_strcspn): Likewise.
6701         (expand_builtin_args_info): Likewise.
6702         (expand_builtin_va_start): Likewise.
6703         (gimplify_va_arg_expr): Likewise.
6704         (expand_builtin_va_end): Likewise.
6705         (expand_builtin_va_copy): Likewise.
6706         (expand_builtin_frame_address): Likewise.
6707         (expand_builtin_alloca): Likewise.
6708         (expand_builtin_bswap): Likewise.
6709         (expand_builtin_unop): Likewise.
6710         (expand_builtin_fputs): Likewise.
6711         (expand_builtin_expect): Likewise.
6712         (expand_builtin_fabs): Likewise.
6713         (expand_builtin_copysign): Likewise.
6714         (expand_builtin_printf): Likewise.
6715         (expand_builtin_fprintf): Likewise.
6716         (expand_builtin_sprintf): Likewise.
6717         (expand_builtin_init_trampoline): Likewise.
6718         (expand_builtin_signbit): Likewise.
6719         (expand_builtin_fork_or_exec): Likewise.
6720         (expand_builtin_sync_operation): Likewise.
6721         (expand_builtin_compare_and_swap): Likewise.
6722         (expand_builtin_lock_test_and_set): Likewise.
6723         (expand_builtin_lock_release): Likewise.
6724         (expand_builtin): Likewise.
6725         (builtin_mathfn_code): Likewise.
6726
6727         (fold_builtin_constant_p): Pass call arguments individually instead
6728         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
6729         accessors and constructors.  Return NULL_TREE instead of 0.
6730         (fold_builtin_expect): Likewise.
6731         (fold_builtin_classify_type): Likewise.
6732         (fold_builtin_strlen): Likewise.
6733         (fold_builtin_nan): Likewise.
6734         (integer_valued_real_p): Likewise.
6735         (fold_trunc_transparent_mathfn): Likewise.
6736         (fold_fixed_mathfn): Likewise.
6737         (fold_builtin_cabs): Likewise.
6738         (fold_builtin_sqrt): Likewise.
6739         (fold_builtin_cbrt): Likewise.
6740         (fold_builtin_cos): Likewise.
6741         (fold_builtin_cosh): Likewise.
6742         (fold_builtin_tan): Likewise.
6743         (fold_builtin_sincos): Likewise.
6744         (fold_builtin_cexp): Likewise.
6745         (fold_builtin_trunc): Likewise.
6746         (fold_builtin_floor): Likewise.
6747         (fold_builtin_ceil): Likewise.
6748         (fold_builtin_round): Likewise.
6749         (fold_builtin_int_roundingfn): Likewise.
6750         (fold_builtin_bitop): Likewise.
6751         (fold_builtin_bswap): Likewise.
6752         (fold_builtin_logarithm): Likewise.
6753         (fold_builtin_hypot): Likewise.
6754         (fold_builtin_pow): Likewise.
6755         (fold_builtin_powi): Likewise.
6756         (fold_builtin_exponent): Likewise.
6757         (fold_builtin_memset): Likewise.
6758         (fold_builtin_bzero): Likewise.
6759         (fold_builtin_memory_op): Likewise.
6760         (fold_builtin_bcopy): Deleted; call site changed to invoke
6761         fold_builtin_memory_op directly.
6762         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
6763         (fold_builtin_strncpy): Likewise.
6764         (fold_builtin_memcmp): Likewise.
6765         (fold_builtin_strcmp): Likewise.
6766         (fold_builtin_strncmp): Likewise.
6767         (fold_builtin_signbit): Likewise.
6768         (fold_builtin_copysign): Likewise.
6769         (fold_builtin_isascii): Likewise.
6770         (fold_builtin_toascii): Likewise.
6771         (fold_builtin_isdigit): Likewise.
6772         (fold_builtin_fabs): Likewise.
6773         (fold_builtin_abs): Likewise.
6774         (fold_builtin_fmin_fmax): Likewise.
6775         (fold_builtin_carg): Likewise.
6776         (fold_builtin_classify): Likewise.
6777         (fold_builtin_unordered_cmp): Likewise.
6778
6779         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
6780         New functions split out from fold_builtin_1.
6781         (fold_builtin_n): New.
6782         (fold_builtin_varargs): New.
6783         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
6784         instead.
6785         (fold_call_expr): New.
6786         (build_function_call_expr): Rewrite to use new helper function.
6787         (fold_builtin_call_list): New.
6788         (build_call_expr): New.
6789         (fold_builtin_call_valist): New.
6790         (rewrite_call_expr): New.
6791         (validate_arg): New.
6792         (validate_arglist): Change parameter to be entire CALL_EXPR instead
6793         of an arglist.  Change return type to bool.  Use new CALL_EXPR
6794         accessors.
6795
6796         (fold_builtin_strstr):  Pass call arguments individually instead
6797         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
6798         accessors and constructors.  Return NULL_TREE instead of 0.
6799         (fold_builtin_strchr): Likewise.
6800         (fold_builtin_strrchr): Likewise.
6801         (fold_builtin_strpbrk): Likewise.
6802         (fold_builtin_strcat): Likewise.
6803         (fold_builtin_strncat): Likewise.
6804         (fold_builtin_strspn): Likewise.
6805         (fold_builtin_strcspn): Likewise.
6806         (fold_builtin_fputs): Likewise.
6807         (fold_builtin_next_arg): Likewise.
6808         (fold_builtin_sprintf): Likewise.
6809
6810         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
6811         NULL_RTX instead of 0.
6812         (expand_builtin_memory_chk): Likewise.
6813         (maybe_emit_chk_warning): Likewise.
6814         (maybe_emit_sprintf_chk_warning): Likewise.
6815
6816         (fold_builtin_object_size): Pass call arguments individually instead
6817         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
6818         accessors and constructors.  Return NULL_TREE instead of 0.
6819         (fold_builtin_memory_chk): Likewise.
6820         (fold_builtin_stxcpy_chk): Likewise.
6821         (fold_builtin_strncpy_chk): Likewise.
6822         (fold_builtin_strcat_chk): Likewise.
6823         (fold_builtin_strcat_chk): Likewise.
6824         (fold_builtin_strncat_chk): Likewise.
6825         (fold_builtin_sprintf_chk): Likewise.
6826         (fold_builtin_snprintf_chk): Likewise.
6827         (fold_builtin_printf): Likewise.
6828         (fold_builtin_vprintf): Likewise.
6829
6830         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
6831         constructors.
6832         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
6833         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6834         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
6835         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
6836         (fold_unary): Likewise.
6837         (fold_binary): Likewise.
6838         (fold_ternary): Remove CALL_EXPR case, since they are no longer
6839         ternary expressions.
6840         (fold): Add logic for tcc_vl_exp.
6841         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
6842         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6843         (fold_build3_stat): Add assertion to flag broken interface for
6844         constructing CALL_EXPRs.
6845         (fold_build_call_list): New.
6846         (fold_build_call_list_initializer): New.
6847         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
6848         constructors.
6849         (fold_strip_sign_ops): Likewise.
6850
6851 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6852             Brooks Moses  <brooks.moses@codesourcery.com>
6853             Lee Millward  <lee.millward@codesourcery.com>
6854
6855         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
6856         accessors and dump arguments explicitly.
6857
6858         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
6859         TREE_CODE_LENGTH.
6860         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
6861         explicitly.
6862         (print_call_name): Use new CALL_EXPR accessors.
6863
6864         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
6865         CALL_EXPR arguments explicitly instead of as a list.  Use
6866         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6867
6868         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
6869         (vrp_visit_stmt): Likewise.
6870
6871         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
6872         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
6873         TREE_CODE_LENGTH.
6874         (force_move_till_expr): Likewise.
6875
6876         * targhooks.c (default_external_stack_protect_fail): Use
6877         build_call_expr instead of build_function_call_expr.
6878         (default_hidden_stack_protect_fail): Likewise.
6879
6880         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
6881         build the call.
6882
6883         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
6884         and walk arguments explicitly.
6885
6886         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
6887         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6888         (expand_simple_operations): Likewise.
6889         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
6890
6891         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
6892         of TREE_CODE_LENGTH.
6893         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
6894
6895         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
6896         instead of TREE_CODE_LENGTH.
6897
6898         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
6899         (tree_ic_transform): Likewise.
6900         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
6901         parameter instead of arglist.  Fix callers.
6902         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
6903         (tree_stringops_transform): Likewise.
6904         (tree_indirect_call_to_profile): Likewise.
6905         (tree_stringops_values_to_profile): Likewise.
6906
6907         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
6908         (eliminate_tail_call): Likewise.
6909
6910         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
6911
6912         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
6913         Use TREE_OPERAND_LENGTH and generalize to handle any number of
6914         operands.
6915         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
6916
6917         * omp-low.c (build_omp_barrier): Use build_call_expr.
6918         (lower_rec_input_clauses): Likewise.
6919         (lower_reduction_clauses): Likewise.
6920         (expand_parallel_call): Likewise.
6921         (maybe_catch_exception): Likewise.
6922         (expand_omp_for_generic): Likewise.
6923         (expand_omp_for_static_nochunk): Likewise.
6924         (expand_omp_sections): Likewise.
6925         (lower_omp_single_simple): Likewise.
6926         (lower_omp_single_copy): Likewise.
6927         (lower_omp_master): Likewise.
6928         (lower_omp_ordered): Likewise.
6929         (lower_omp_critical): Likewise.
6930
6931         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
6932         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
6933
6934         * tree-gimple.c (is_gimple_call_addr): Fix doc.
6935         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
6936         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
6937
6938         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
6939         and generalize to handle any number of operands.
6940         (chrec_contains_undetermined): Likewise.
6941         (tree_contains_chrecs): Likewise.
6942         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
6943
6944         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
6945
6946         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
6947         fold_call_expr instead of fold_builtin.
6948         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
6949         match declarations there.
6950         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
6951         updates.
6952
6953         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
6954         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6955
6956         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
6957         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
6958
6959         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
6960         accessors.
6961
6962         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
6963         (execute_cse_sincos): Use new CALL_EXPR accessors.
6964
6965         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
6966
6967         * gimple-low.c (lower_function_body): Use build_call_expr.
6968         (lower_builtin_setjmp): Likewise.
6969
6970         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
6971         (set_storage_via_libcall): Likewise.
6972         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
6973         instead of TREE_CODE_LENGTH.
6974         (expand_expr_real_1): Use new CALL_EXPR accessors.
6975
6976         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
6977         generalize to handle any number of operands.
6978         (TB_parent_eq): Likewise.
6979
6980         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
6981         (strip_builtin_expect): Likewise.
6982
6983         * function.c (gimplify_parameters): Use build_call_expr.
6984
6985         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
6986         instead of TREE_CODE_LENGTH.
6987
6988         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
6989         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
6990
6991         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
6992         iterators.
6993
6994         * gimplify.c (build_stack_save_restore): Use build_call_expr.
6995         (gimplify_decl_expr): Likewise.
6996         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
6997         Use new CALL_EXPR iterators.
6998         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
6999         (gimplify_modify_expr_to_memset): Likewise.
7000         (gimplify_variable_sized_compare): Likewise.
7001         (gimplify_omp_atomic_fetch_op): Likewise.
7002         (gimplify_omp_atomic_pipeline): Likewise.
7003         (gimplify_omp_atomic_mutex): Likewise.
7004         (gimplify_function_tree): Likewise.
7005
7006         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
7007         (call_expr_flags): Likewise.
7008         (expand_call): Likewise.
7009
7010         * except.c (expand_builtin_eh_return_data_regno): Pass entire
7011         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
7012         accessors.
7013
7014         * coverage.c (create_coverage): Use build_call_expr.
7015
7016         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
7017         (temp_call_expr_obstack): New.
7018         (pool_copy_list): Delete.
7019         (temp_copy_call_expr): New.
7020         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
7021         CALL_EXPR accessors.  Get rid of special goo for copying argument
7022         lists and use temp_copy_call_expr instead.
7023         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
7024         CALL_EXPR accessors.
7025         (create_expression_by_pieces): Likewise.  Use build_call_array
7026         to construct the result instead of fold_build3.
7027         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
7028         dealing with argument lists.
7029         (init_pre): Remove references to expression_node_pool and
7030         list_node_pool.  Init temp_call_expr_obstack instead.
7031         (fini_pre): Remove references to expression_node_pool and
7032         list_node_pool.
7033
7034         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
7035         and walk arguments explicitly instead of as a list.
7036
7037         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
7038         (mx_register_decls): Likewise.
7039         (mudflap_register_call): Likewise.
7040         (mudflap_finish_file): Likewise.
7041
7042         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
7043         (ipa_callsite_compute_param): Likewise.
7044
7045         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
7046         accessors and constructor.
7047
7048         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
7049         accessors and constructor.
7050         (convert_tramp_reference): Likewise.
7051         (convert_call_expr): Likewise.
7052         (finalize_nesting_tree_1): Likewise.
7053
7054         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
7055         accessors.
7056
7057         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
7058
7059         * tree-inline.c (initialize_inlined_parameters): Pass entire
7060         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
7061         accessors.
7062         (estimate_num_insns_1): Use new CALL_EXPR accessors.
7063         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
7064
7065         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
7066         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7067         (vectorizable_reduction): Likewise.
7068         (vectorizable_call): Use new CALL_EXPR iterators.
7069         (vectorizable_conversion): Use build_call_expr.
7070         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
7071         (vect_gen_widened_results_half): Use build_call_expr.
7072         (vect_setup_realignment): Likewise.
7073         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
7074
7075         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
7076         (pass_through_call): Likewise.
7077         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
7078         fold_builtin.
7079
7080         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
7081         (tree_gen_pow2_profiler): Likewise.
7082         (tree_gen_one_value_profiler): Likewise.
7083         (tree_gen_ic_func_profiler): Likewise.
7084         (tree_gen_average_profiler): Likewise.
7085         (tree_gen_ior_profiler): Likewise.
7086
7087         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
7088         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
7089         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7090
7091         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
7092         of TREE_CODE_LENGTH.
7093
7094         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
7095         of TREE_CODE_LENGTH.
7096
7097         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
7098         constructor.
7099         (convert_to_integer): Likewise.
7100
7101         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
7102         accessors.
7103
7104 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7105             Brooks Moses  <brooks.moses@codesourcery.com>
7106             Lee Millward  <lee.millward@codesourcery.com>
7107
7108         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
7109         accessors.
7110         * config/frv/frv.c (frv_expand_builtin): Likewise.
7111         * config/s390/s390.c (s390_expand_builtin): Likewise.
7112
7113         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
7114         (sparc_expand_builtin): Use new CALL_EXPR accessors.
7115
7116         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
7117         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
7118         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
7119         (ix86_expand_store_builtin): Likewise.
7120         (ix86_expand_unop_builtin): Likewise.
7121         (ix86_expand_unop1_builtin): Likewise.
7122         (ix86_expand_sse_compare): Likewise.
7123         (ix86_expand_sse_comi): Likewise.
7124         (ix86_expand_vec_init_builtin): Likewise.
7125         (ix86_expand_vec_ext_builtin): Likewise.
7126         (ix86_expand_vec_set_builtin): Likewise.
7127         (ix86_expand_builtin): Use new CALL_EXPR accessors.
7128
7129         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
7130         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
7131
7132         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
7133         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
7134         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
7135
7136         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
7137         build_call_expr.
7138         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
7139         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
7140         arglist.  Use new CALL_EXPR accessors.  Fix callers.
7141         (altivec_expand_abs_builtin): Likewise.
7142         (rs6000_expand_binop_builtin): Likewise.
7143         (altivec_expand_predicate_builtin): Likewise.
7144         (altivec_expand_lv_builtin): Likewise.
7145         (spe_expand_stv_builtin): Likewise.
7146         (altivec_expand_stv_builtin): Likewise.
7147         (rs6000_expand_ternop_builtin): Likewise.
7148         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
7149         (altivec_expand_st_builtin): Likewise.
7150         (altivec_expand_dst_builtin): Likewise.
7151         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
7152         arglist.  Use new CALL_EXPR accessors.  Fix callers.
7153         (altivec_expand_vec_set_builtin): Likewise.
7154         (altivec_expand_vec_ext_builtin): Likewise.
7155         (altivec_expand_builtin): Use new CALL_EXPR accessors.
7156         (spe_expand_builtin): Likewise.
7157         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
7158         arglist.  Use new CALL_EXPR accessors.  Fix callers.
7159         (spe_expand_evsel_builtin): Likewise.
7160         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
7161         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
7162
7163         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
7164         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
7165         (arm_expand_unop_builtin): Likewise.
7166         (arm_expand_builtin): Use new CALL_EXPR accessors.
7167
7168         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
7169         accessors.
7170
7171         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
7172         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
7173         (bfin_expand_unop_builtin): Likewise.
7174         (bfin_expand_builtin): Use new CALL_EXPR accessors.
7175
7176 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7177             Brooks Moses  <brooks.moses@codesourcery.com>
7178             Lee Millward  <lee.millward@codesourcery.com>
7179
7180         * c-semantics.c (build_stmt): Add internal diagnostic check.
7181
7182         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
7183         accessors.  Print arguments explicitly instead of as a list.
7184
7185         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
7186
7187         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
7188         (c_finish_omp_flish): Likewise.
7189
7190         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
7191         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
7192         instead of TREE_CODE_LENGTH.
7193         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
7194         (c_warn_unused_result): Likewise.
7195
7196 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7197
7198         PR c/26494
7199         * doc/invoke.texi (Warning Options): Remove
7200         -Werror-implicit-function-declaration.
7201         (Wimplicit-function-declaration): Update description.
7202         * opts.c (common_handle_option): Move handling of -Werror=* to...
7203         (enable_warning_as_error): ...here.
7204         * opts.h (enable_warning_as_error): Declare.
7205         * c-decl.c (implicit_decl_warning): Unless
7206         -Wno-implicit-function-declaration is given, emit a pedwarn if
7207         -std=c99 or emit a warning if -Wimplicit-function-declaration.
7208         * c.opt (Wimplicit-function-declaration): Replace
7209         mesg_implicit_function_declaration with
7210         warn_implicit_function_declaration.
7211         * c-opts.c (c_common_handle_option):
7212         -Werror-implicit-function-declaration is exactly equal as
7213         -Werror=implicit-function-declaration.
7214         (set_Wimplicit): Replace mesg_implicit_function_declaration with
7215         warn_implicit_function_declaration.
7216         (c_common_post_options): -Wimplict-function-declaration is enabled
7217         by default by -std=c99, otherwise is disabled by default.
7218         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
7219
7220 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7221
7222         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
7223         DECL on the rhs to a DECL on the lhs for debug info purposes if the
7224         former is ignored but not the latter.
7225
7226 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7227
7228         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
7229         is made and the reference doesn't use the alias set of its type,
7230         do not create the temporary using that type.
7231
7232 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
7233
7234         * jump.c: Remove prototypes for delete_computation and
7235         delete_prior_computation.
7236
7237 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
7238
7239         * jump.c (get_label_after): Delete.
7240         (get_label_before, delete_computation, delete_jump,
7241         delete_prior_computation, follow_jumps): Move...
7242         * reorg.c (delete_computation, delete_prior_computation): ... here...
7243         (get_label_before, delete_jump): ... making these static ...
7244         (follow_jumps): ... and simplifying this since it only runs after
7245         reload.
7246         * rtl.h (get_label_after, get_label_before, delete_jump,
7247         follow_jumps): Delete prototypes.
7248
7249 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
7250
7251         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
7252
7253 2007-02-15  Nick Clifton  <nickc@redhat.com>
7254
7255         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
7256         order to prevent it from being munged by the target.
7257
7258 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
7259
7260         * config/i386/i386.md: Remove misleading comment.
7261
7262 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7263
7264         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
7265         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
7266         invalid patterns.
7267
7268 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7269
7270         * tree-sra.c (instantiate_missing_elements): Canonicalize
7271         bit-field types.
7272         (sra_build_assignment): New.
7273         (generate_copy_inout, generate_element_copy,
7274         generate_element_zero, generate_one_element_init): Use it.
7275
7276 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7277
7278         * tree-sra.c (instantiate_missing_elements): Canonicalize
7279         bit-field types.
7280         (sra_build_assignment): New.
7281         (generate_copy_inout, generate_element_copy,
7282         generate_element_zero, generate_one_element_init): Use it.
7283
7284 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7285
7286         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
7287         limbo die nodes.
7288
7289 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
7290
7291         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
7292         types as aggregates not scalars.
7293         * function.c (assign_stack_temp_for_type): Likewise.
7294
7295 2007-02-14  Roger Sayle  <roger@eyesopen.com>
7296             Zdenek Dvorak  <dvorakz@suse.cz>
7297
7298         * tree-dump.c (dump_switch_p_1): Require exact match of the option
7299         name.
7300
7301 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
7302
7303         * passes.c (next_pass_1): Clear the next field of the copied
7304         pass structure.
7305
7306 2007-02-14  Richard Henderson  <rth@redhat.com>
7307
7308         * tree-sra.c (early_sra): New.
7309         (decl_can_be_decomposed_p): Deny va_list if early_sra.
7310         (tree_sra_early, pass_sra_early): New.
7311         * tree-pass.h (pass_sra_early): Declare.
7312         * passes.c (init_optimization_passes): Use it.
7313
7314 2007-02-14  Richard Guenther  <rguenther@suse.de>
7315
7316         * flags.h (issue_strict_overflow_warning): Convert to a macro.
7317
7318 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
7319
7320          PR tree-optimization/30771
7321         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
7322         also phi nodes.
7323         (vect_analyze_operations): Induction phis can now be marked as
7324         used_in_loop.
7325         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
7326         Update documentation accordingly.
7327
7328 2007-02-14  Nick Clifton  <nickc@redhat.com>
7329
7330         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
7331         most 3 arguments are supported.
7332         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
7333
7334 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
7335
7336         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
7337         Ensure dst->current is valid.
7338
7339 2007-02-13  Paul Brook  <paul@codesourcery.com>
7340
7341         * config.gcc: Add arm*-*-uclinux-*eabi.
7342         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
7343         (SUBTARGET_EXTRA_LINK_SPEC): Define.
7344         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
7345         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
7346         (LINK_SPEC): Define.
7347         (LIB_SPEC): Define.
7348         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
7349         register.
7350         * config/arm/uclinux-eabi.h: New file.
7351         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
7352         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
7353         based targets.
7354
7355 2007-02-13  Ian Lance Taylor  <iant@google.com>
7356
7357         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
7358         * flags.h (warn_strict_overflow): Declare.
7359         (enum warn_strict_overflow_code): Define.
7360         (issue_strict_overflow_warning): New static inline function.
7361         * opts.c (warn_strict_overflow): New variable.
7362         (common_handle_option): Handle OPT_Wstrict_overflow and
7363         OPT_Wstrict_overflow_.
7364         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
7365         OPT_Wall.
7366         * fold-const.c: Include intl.h.
7367         (fold_deferring_overflow_warnings): New static variable.
7368         (fold_deferred_overflow_warning): New static variable.
7369         (fold_deferred_overflow_code): New static variable.
7370         (fold_defer_overflow_warnings): New function.
7371         (fold_undefer_overflow_warnings): New function.
7372         (fold_undefer_and_ignore_overflow_warnings): New function.
7373         (fold_deferring_overflow_warnings_p): New function.
7374         (fold_overflow_warning): New static function.
7375         (make_range): Add strict_overflow_p parameter.  Change all
7376         callers.
7377         (extract_muldiv, extract_muldiv_1): Likewise.
7378         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
7379         tree_expr_nonnegative_p.
7380         (fold_negate_expr): Call fold_overflow_warning.
7381         (fold_range_test): Likewise.
7382         (fold_comparison): Likewise.
7383         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
7384         instead of tree_expr_nonnegative_p.
7385         (tree_expr_nonnegative_warnv_p): Rename from
7386         tree_expr_nonnegative_p, add strict_overflow_p parameter.
7387         (tree_expr_nonnegative_p): New function.
7388         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
7389         strict_overflow_p parameter.
7390         (tree_expr_nonzero_p): New function.
7391         * passes.c (verify_interpass_invariants): New static function.
7392         (execute_one_pass): Call it.
7393         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
7394         warnings.
7395         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
7396         (estimate_numbers_of_iterations): Likewise.
7397         (scev_probably_wraps_p): Likewise.
7398         * tree-ssa-ccp.c: Include "toplev.h".
7399         (evaluate_stmt): Defer fold overflow warnings until we know we are
7400         going to optimize.
7401         (struct fold_stmt_r_data): Add stmt field.
7402         (fold_stmt_r): Defer fold overflow warnings until we know we
7403         optimized.
7404         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
7405         (fold_stmt_inplace): Likewise.
7406         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
7407         (cleanup_control_expr_graph): Defer fold overflow warnings until
7408         we know we are going to optimize.
7409         * tree-cfg.c (fold_cond_expr_cond): Likewise.
7410         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
7411         Likewise.
7412         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
7413         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
7414         * tree-ssa-loop-manip.c (create_iv): Likewise.
7415         * c-typeck.c (build_conditional_expr): Likewise.
7416         (build_binary_op): Likewise.
7417         * tree-vrp.c (vrp_expr_computes_nonzero): Call
7418         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
7419         (extract_range_from_unary_expr): Likewise.
7420         * simplify-rtx.c (simplify_const_relational_operation): Warn when
7421         assuming that signed overflow does not occur.
7422         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
7423         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
7424         (fold_defer_overflow_warnings): Declare.
7425         (fold_undefer_overflow_warnings): Declare.
7426         (fold_undefer_and_ignore_overflow_warnings): Declare.
7427         (fold_deferring_overflow_warnings_p): Declare.
7428         (tree_expr_nonzero_warnv_p): Declare.
7429         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
7430         of warning options.
7431         (Warning Options): Document -Wstrict-overflow.
7432         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
7433         (tree-ssa-ccp.o): Likewise.
7434         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
7435         (fold-const.o): Depend on intl.h.
7436
7437 2007-02-13  Ian Lance Taylor  <iant@google.com>
7438
7439         PR middle-end/30751
7440         * lower-subreg.c (resolve_simple_move): Decompose subregs in
7441         addresses.
7442
7443 2007-02-13  Stuart Hastings  <stuart@apple.com>
7444
7445         * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
7446
7447 2007-02-13  Richard Henderson  <rth@redhat.com>
7448
7449         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
7450         handled_component_p before looking for the indirect_ref.
7451
7452 2007-02-13  Richard Henderson  <rth@redhat.com>
7453
7454         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
7455         remove flags clobber.
7456         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
7457         (bswaphi_lowpart): New.
7458         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
7459         remove TARGET_BSWAP test.  Delete expander of the same name.
7460
7461         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
7462         (expand_unop): Use them.
7463
7464 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
7465
7466         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
7467         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
7468         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
7469         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
7470         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
7471         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
7472         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
7473         assembler dialect choice from asm templates.
7474
7475 2007-02-12  Richard Henderson  <rth@redhat.com>
7476
7477         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
7478         (fixuns_trunc<SSEMODEF>si2): Use it.
7479         * config/i386/sse.md (vec_setv4sf_0): Export.
7480         * config/i386/i386.c (ix86_build_const_vector): Export.
7481         (ix86_split_convert_uns_si_sse): Rename from
7482         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
7483         * config/i386/i386-protos.h: Update.
7484
7485 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7486
7487         PR c/29521
7488         * c-typeck.c (c_finish_return): Improve warning message.
7489
7490 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7491
7492         * alias.c (find_symbolic_term): Delete unused function.
7493
7494 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
7495
7496         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
7497         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
7498         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
7499
7500 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
7501
7502         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
7503         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
7504         the function, temporarily point the debug interface to the null one.
7505
7506 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
7507
7508         * dwarf2out.c (round_up_to_align): New static function.
7509         (field_byte_offset): Use it to round the offset.
7510
7511 2007-02-12  Richard Henderson  <rth@redhat.com>
7512
7513         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
7514         (inswl_const): Export.
7515
7516 2007-02-12  Richard Henderson  <rth@redhat.com>
7517
7518         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
7519         result mode of the libcall, convert back to outmode.
7520
7521 2007-02-12  Roger Sayle  <roger@eyesopen.com>
7522
7523         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
7524         (bswapdi2): New define_expand to implement 32-bit implementation.
7525
7526 2007-02-12  Nick Clifton  <nickc@redhat.com>
7527
7528         * doc/invoke.texi (Overall Options): Document --help=.
7529         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
7530         (cc1_options): Pass --help= on to cc1.
7531         (display_help): Add description of --help=.
7532         (process_command): Add code to handle --help=.  Allow translated
7533         --help and --target-help switches to be passed on to compiler
7534         sub-process.
7535         (main): Remove unused if statement.
7536         * opts.c (columns): Remove.
7537         (LEFT_COLUMN): Define.
7538         (wrap_help): Add columns argument.
7539         (print_filtered_help): Change parameters to be an include bitmask,
7540         an exclude bitmask, an any bitmask and the column width.  Move the
7541         code to display the params list here.  Add code to display the
7542         status of options rather than their descriptions if the quiet flag
7543         is not active.
7544         (print_specific_help): Change parameters to be an include bitmask,
7545         an exclude bitmask and an any bitmask.  Move code to look up the
7546         column width here.  Decide upon the title for an options listing.
7547         (common_handle_options): Add code to handle --help=.  Adapt code
7548         for --help and --target-help to use the revised form of the
7549         print_specific_help function.
7550         (print_help): Delete.
7551         (print_param_help): Delete.
7552         (print_switch): Delete.
7553         * opts.h (cl_lang_count): Add prototype.
7554         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
7555         CL_MAX_OPTION_CLASS): New defines.
7556         * optc-gen.awk: Add construction of cl_lang_count.
7557         * c.opt: Add Warning attribute to warning options and Optimization
7558         attribute to optimization options.
7559         * common.opt: Likewise.
7560         Add --help=.
7561         Add -fhelp and -ftarget-help as aliases for the transformed --help
7562         and --target-help options.
7563         * opt-functions.awk: Add code to handle Warning and Optimization
7564         attributes.
7565
7566 2007-02-12  Richard Henderson  <rth@redhat.com>
7567
7568         * config/alpha/constraints.md: New file.
7569         * config/alpha/alpha.c: Include tm-constrs.h.
7570         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
7571         alpha_extra_constraint): Remove.
7572         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
7573         * config/alpha/alpha-protos.h: Update.
7574         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
7575         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
7576         (EXTRA_CONSTRAINT): Remove.
7577         * config/alpha/alpha.md: Include constraints.md.
7578         (adddi splitter): Use satisfies_constraint_*.
7579         * config/alpha/predicates.md (add_operand): Likewise.
7580         (sext_add_operand, addition_operation): Likewise.
7581
7582 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
7583
7584         PR tree-optimization/29145
7585         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
7586         in our handling of restrict qualified pointers.
7587
7588 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7589
7590         PR middle-end/7651
7591         * doc/invoke.texi (Wunused-value): Update description.
7592         (Wextra): Delete item.
7593         * opts.c (set_Wextra): Don't use the value of Wextra to set the
7594         value of Wunused-value.
7595         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
7596         (c_finish_stmt_expr): Don't check extra_warnings.
7597         (emit_side_effect_warnings): The caller is responsible to check
7598         warn_unused_value.
7599
7600 2007-02-11  Roger Sayle  <roger@eyesopen.com>
7601             Matt Thomas  <matt@3am-software.com>
7602
7603         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
7604
7605 2007-02-11  Roger Sayle  <roger@eyesopen.com>
7606
7607         * simplify-rtx.c (simplify_relational_operation_1): Optimize
7608         comparisons of POPCOUNT against zero.
7609         (simplify_const_relational_operation): Likewise.
7610
7611 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7612
7613         * doc/invoke.texi (Wextra): Delete outdated paragraph.
7614
7615 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7616
7617         * dwarf2out.c (root_type): Delete unused function.
7618
7619 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7620
7621         * genattrtab.c (contained_in_p): Delete unused function.
7622         (write_expr_attr_cache): Likewise.
7623
7624 2007-02-11  Jan Hubicka  <jh@suse.cz>
7625
7626         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
7627         previous patch.
7628
7629 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
7630
7631         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
7632         to add the REG_EQ* note.
7633         * see.c (see_merge_one_use_extension): Likewise.
7634         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
7635         turn REG_EQUAL notes into REG_EQUIV notes if the target
7636         register may have more than one set.
7637         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
7638         * gcse.c (try_replace_reg): Likewise.
7639         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
7640         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
7641         more than one REG_EQUIV note.
7642         * reload1.c (gen_reload): Use set_unique_reg_note.
7643
7644 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
7645
7646         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
7647         (ix86_builtin_conversion): New function.
7648
7649 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
7650
7651         PR target/29487
7652         * tree.h (DECL_REPLACEABLE_P): New macro.
7653         * except.c (set_nothrow_function_flags): Likewise.
7654
7655 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
7656             Ira Rosen  <irar@il.ibm.com>
7657             Dorit Nuzman  <dorit@il.ibm.com>
7658
7659         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
7660         * targhooks.c (default_builtin_vectorized_conversion): New.
7661         * targhooks.h (default_builtin_vectorized_function): New declaration.
7662         * target.h (struct vectorize): Add builtin_conversion field.
7663         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
7664         stmt_vec_info_type value.
7665         (vectorizable_conversion): New declaration.
7666         * tree-vect-analyze.c (vect_analyze_operations): Add
7667         vectorizable_conversion call.
7668         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
7669         * tree-vect-transform.c (vectorizable_conversion): New function.
7670         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
7671         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
7672         mode.
7673         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
7674         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
7675         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
7676         or ALTIVEC_BUILTIN_VCFSX.
7677
7678 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7679
7680         PR target/30634
7681         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
7682         CONST_DOUBLE and operand 0 is a hard register.
7683         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
7684         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
7685         is a hard floating-point register.
7686
7687 2007-02-10  Richard Henderson  <rth@redhat.com>
7688             Jakub Jelinek  <jakub@redhat.com>
7689             Alexandre Oliva  <aoliva@redhat.com>
7690
7691         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
7692         * builtin-types.def (BT_WORD): Make unsigned.
7693         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
7694         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
7695         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
7696         * c-decl.c (grokdeclarator): Don't error if !have_tls.
7697         * c-parser.c (c_parser_omp_threadprivate): Likewise.
7698         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
7699         emulated tls.
7700         * expr.c (emutls_var_address): New.
7701         (expand_expr_real_1): Expand emulated tls.
7702         (expand_expr_addr_expr_1): Likewise.
7703         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
7704         * output.h (emutls_finish): Declare.
7705         * toplev.c (compile_file): Call it.
7706         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
7707         address before wrapping in CONST.
7708         * varasm.c (emutls_htab, emutls_object_type): New.
7709         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
7710         (get_emutls_object_name, get_emutls_object_type): New.
7711         (get_emutls_init_templ_addr, emutls_decl): New.
7712         (emutls_common_1, emutls_finish): New.
7713         (assemble_variable): When emulating tls, swap decls; generate
7714         constructor for the emutls objects.
7715         (do_assemble_alias): When emulating tls, swap decl and target name.
7716         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
7717         for emulated tls.
7718         * varpool.c (decide_is_variable_needed): Look at force_output.
7719         Recurse for emulated tls.
7720         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
7721         with decide_is_variable_needed.
7722         * emutls.c: New file.
7723         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
7724         tls_object for real tls.
7725
7726 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
7727
7728         PR rtl-optimization/29599
7729         * reload1.c (eliminate_regs_in_insn): Take the destination
7730         mode into account when computing the offset.
7731
7732 2007-02-09  Stuart Hastings  <stuart@apple.com>
7733             Richard Henderson  <rth@redhat.com>
7734
7735         * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
7736         * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
7737         * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
7738         fixuns_truncdfhi2): New.
7739         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
7740         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
7741         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
7742         (floatunssidf2): Allow nonimmediate source.
7743         * config/i386/sse.md (movdi_to_sse): New.
7744         (vec_concatv2di): Drop '*'.
7745         * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
7746         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
7747         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
7748         New.
7749         * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
7750         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
7751         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
7752         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
7753         (ix86_build_signbit_mask): Fix decl of v, refactor to call
7754         ix86_build_const_vector.
7755         (x86_emit_floatuns): Rewrite.
7756
7757 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7758
7759         * genautomata.c (longest_path_length): Delete unused function.
7760         (struct state): Delete unused longest_path_length.
7761         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
7762         (get_free_state): Delete unused.
7763
7764 2007-02-09  Jan Hubicka  <jh@suse.cz>
7765
7766         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
7767         * doc/invoke.texi (inline-unit-growth): Update default value.
7768
7769         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
7770         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
7771         (rebuild_cgraph_edges): Likewise.
7772         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
7773         (dump_cgraph_node): Dump frequencies.
7774         (cgraph_clone_edge): Add frequency scales.
7775         (cgraph_clone_node): Add freuqnecy.
7776         * cgraph.h (cgraph_edge): Add freuqnecy argument.
7777         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
7778         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
7779         * tree-pass.h (TODO_rebuild_frequencies): New constant.
7780         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
7781         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
7782         (save_inline_function_body): Likewise.
7783         * ipa-inline.c: inluce rtl.h
7784         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
7785         (cgraph_edge_badness): Use frequencies.
7786         (cgraph_decide_recursive_inlining): Update clonning.
7787         (cgraph_decide_inlining_of_small_function): Dump frequency.
7788         * predict.c (estimate_bb_frequencies): Export.
7789         * predict.h (estimate_bb_frequencies): Declare.
7790         * tree-inline.c (copy_bb): Watch overflows.
7791         (expand_call_inline): Update call of cgraph_create_edge.
7792         (optimize_inline_calls): Use TODO flags to update frequnecies.
7793         * passes.h: Include predict.h
7794         (init_optimization_passes): Move profile ahead.
7795         (execute_function_todo): Handle TODO_rebuild_frequencies.
7796
7797 2007-02-09  Roger Sayle  <roger@eyesopen.com>
7798
7799         * config/alpha/alpha.c (emit_insxl): Force the first operand of
7800         the insbl or inswl pattern into a register.
7801
7802 2007-02-09  Roger Sayle  <roger@eyesopen.com>
7803
7804         * config/ia64/ia64.md (bswapdi2): New define_insn.
7805
7806 2007-02-09  Richard Henderson  <rth@redhat.com>
7807
7808         * config/i386/constraints.md (Ym): New constraint.
7809         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
7810         (movdi_1_rex64): Split sse and xmm general register moves from
7811         memory move alternatives.  Use conditional register constraints.
7812         (movsf_1, movdf_integer): Likewise.
7813         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
7814         (movdf_integer_rex64): New.
7815         (pushsf_rex64): Fix output constraints.
7816         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
7817         (sse2_stored): Likewise.
7818         (sse2_storeq_rex64): New.
7819         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
7820         amd and not generic.
7821         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
7822         for optimize_size.  Remove SF/DFmode hack.
7823
7824 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7825
7826         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
7827         (bit_SSE4a): New.
7828
7829 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
7830             Richard Sandiford  <richard@codesourcery.com>
7831
7832         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
7833         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
7834         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
7835         m68k/t-mlib to tmake_file.
7836         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
7837         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
7838         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
7839         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
7840         variable is not empty, add t-$m68k_arch_family to tmake_file.
7841         Add t-mlibs to tmake_file.
7842         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
7843         * config/m68k/t-cf: New file.
7844         * config/m68k/t-m68k: Likewise.
7845         * config/m68k/t-mlibs: Likewise.
7846         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7847         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
7848         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
7849         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7850         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
7851         Delete.
7852         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
7853         (INSTALL_LIBGCC): Delete.
7854         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
7855         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7856         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
7857         (M68K_MLIB_CPU): Define.
7858         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7859         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
7860         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
7861
7862 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
7863             Richard Guenther  <rguenther@suse.de>
7864
7865         PR middle-end/23361
7866         * fold-const.c (fold_comparison): Handle obfuscated comparisons
7867         against INT_MIN/INT_MAX.
7868         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
7869         file if a loop is removed.
7870
7871 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
7872
7873         * calls.c (store_one_arg): Pass correct alignment to
7874         emit_push_insn for non-BLKmode values.
7875         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
7876         unaligned stack slot via a suitably aligned slot.
7877
7878 2007-02-08  DJ Delorie  <dj@redhat.com>
7879
7880         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
7881         warnings.
7882         (legal_subregs): Use unsigned char, make const.
7883         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
7884
7885 2007-02-08  Paul Brook  <paul@codesourcery.com>
7886
7887         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
7888         special interworking needed.
7889
7890 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
7891
7892         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
7893         conditional to __SSE2__.
7894         (Entries below should have been added to first ChangeLog
7895         entry for amdfam10 dated 2007-02-05)
7896         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
7897         defined.
7898         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
7899         defined.
7900         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
7901         defined.
7902
7903 2007-02-08  DJ Delorie  <dj@redhat.com>
7904
7905         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
7906         * config/m32c/m32c.c (legal_subregs): New.
7907         (m32c_illegal_subreg_p): New.
7908         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
7909         unsupported subregs of hard regs.
7910
7911 2007-02-08  Jan Hubicka  <jh@suse.cz>
7912
7913         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
7914         the same one; always update histograms.
7915
7916 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
7917
7918         * passes.c (init_optimization_passes): Tidy comment.
7919
7920 2007-02-08  Roger Sayle  <roger@eyesopen.com>
7921
7922         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
7923         strip zero_extend, bswap and rotates from POCOUNT's argument.
7924         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
7925         zero_extend and rotates from PARITY's argument.
7926         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
7927         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
7928         of an integer constant at compile-time.
7929
7930 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
7931
7932         PR 30562
7933         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
7934         Update all users.
7935         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
7936         users.
7937         (init_alias_info):
7938         * tree-ssa-live.c (remove_unused_locals): Do not remove
7939         TREE_ADDRESSABLE variables.
7940         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
7941         * tree-ssa-operands.c (add_virtual_operand): Remove argument
7942         FOR_CLOBBER.  Update all users.
7943         If VAR has an associated alias set, add a virtual operand for
7944         it if no alias is found to conflict with the memory reference.
7945
7946 2007-02-07  Jan Hubicka  <jh@suse.cz>
7947             Robert Kidd <rkidd@crhc.uiuc.edu>
7948
7949         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
7950
7951 2007-02-07  Ian Lance Taylor  <iant@google.com>
7952
7953         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
7954
7955 2007-02-07  Roger Sayle  <roger@eyesopen.com>
7956
7957         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
7958         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
7959         tablejumpdi, movsi_to_cr_one): Remove constraints from
7960         define_expand's match_operands.
7961
7962 2007-02-07  Roger Sayle  <roger@eyesopen.com>
7963
7964         * global.c (compute_regsets): Move declatation of "i" inside of
7965         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
7966
7967 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
7968
7969         PR c++/30703
7970         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
7971         of INDIRECT_REF <RESULT_DECL>.
7972
7973         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
7974
7975 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
7976             Kaz Kojima  <kkojima@gcc.gnu.org>
7977
7978         PR target/29746
7979         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
7980         properly.
7981         (sh_initialize_trampoline): Add parentheses to avoid a warning.
7982
7983 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
7984
7985         * doc/loop.texi: Document possibility not to perform disambiguation
7986         of loops with multiple latches.
7987         * cfgloopmanip.c (alp_enum_p): Removed.
7988         (add_loop): Handle subloops.  Use get_loop_body_with_size.
7989         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
7990         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
7991         the new forwarder block.
7992         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
7993         Handle the case latch is NULL.
7994         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
7995         when marking loop exits.
7996         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
7997         be modified.
7998         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
7999         disambiguate_loops_with_multiple_latches.
8000         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
8001         before fix_loop_structure.
8002         * cfgloop.c: Include pointer-set.h and output.h.
8003         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
8004         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
8005         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
8006         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
8007         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
8008         disambiguate_multiple_latches, get_loop_body_with_size,
8009         disambiguate_loops_with_multiple_latches): New functions.
8010         (flow_loop_dump): Dump multiple latch edges.
8011         (flow_loop_nodes_find): Handle loops with multiple latches.
8012         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
8013         (glb_enum_p): Modified.
8014         (get_loop_body): Use get_loop_body_with_size.
8015         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
8016         (AVOID_CFG_MODIFICATIONS): New constant.
8017         (disambiguate_loops_with_multiple_latches, add_loop,
8018         get_loop_body_with_size): Declare.
8019         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
8020
8021 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
8022
8023         PR inline-asm/28686
8024         * global.c (compute_regsets): New function.
8025         (global_alloc): Refactored ELIMINABLE_REGSET
8026         and NO_GLOBAL_ALLOC_REGS computation out.
8027         (rest_of_handle_global_alloc): Call compute_regsets()
8028         for non-optimizing case.
8029
8030 2007-02-06  Richard Henderson  <rth@redhat.com>
8031
8032         * config/i386/constraints.md (Y2): Rename from Y.
8033         (Yi): New constraint.
8034         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
8035         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
8036         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
8037         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
8038         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
8039         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
8040         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
8041         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
8042         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
8043         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
8044         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
8045         vec_extractv2si_1): Change Y constraints to Y2.
8046         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
8047         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
8048         Change Y constraints to Y2.
8049         (sse2_loadld): Change Y constraints to x.
8050
8051 2007-02-06  Roger Sayle  <roger@eyesopen.com>
8052
8053         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
8054         (parity<mode>2): New define_expand using rs6000_emit_parity.
8055         * config/rs6000/rs6000.c (rs6000_emit_popcount,
8056         rs6000_emit_parity): New functions.
8057         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
8058         rs6000_emit_parity): Prototype here.
8059
8060 2007-02-06  Ian Lance Taylor  <iant@google.com>
8061
8062         * lower-subreg.c (simple_move_operand): Reject CONST.
8063         (resolve_clobber): Call validate_change rather than directly
8064         assigning to XEXP (pat, 0).
8065
8066 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
8067
8068         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
8069         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
8070         (tree-cfg.o): Remove hashtab.h dependency.
8071
8072         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
8073         (struct ivopts_data): Change niters to pointer_map_t.
8074         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
8075         (niter_for_exit): Create pointer_map on demand.  Change for
8076         pointer_map API.
8077         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
8078         (free_loop_data): Destroy data->niters if created and reset field.
8079         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
8080         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
8081
8082         * tree-ssa-reassoc.c: Include pointer-set.h.
8083         (bb_rank): Change to long *.
8084         (operand_rank): Change to pointer_map_t.
8085         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
8086         (insert_operand_rank): Accept long.
8087         (operand_entry_hash, operand_entry_eq): Remove.
8088         (get_rank): Return long.  Adjust for changes above.
8089         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
8090         and operand_rank.
8091         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
8092
8093         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
8094         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
8095         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
8096         is not NULL.
8097         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
8098         directly since it cannot be NULL.
8099         (get_vi_for_tree): Rewrite for pointer_map API.
8100         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
8101         (init_alias_vars): Create vi_for_tree as pointer_map.
8102         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
8103
8104         * tree-cfg.c: Don't include hashtab.h.
8105         (edge_to_cases): Declare as pointer_map.
8106         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
8107         Delete.
8108         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
8109         (start_recording_case_labels): Create edge_to_cases as pointer_map.
8110         (end_recoding_case_labels): Cleanup edge_to_cases manually before
8111         destroying it.
8112         (record_switch_edge): Delete.
8113         (get_cases_for_edge): Adjust for pointer_map API, inline
8114         record_switch_edge (rewritten for new API), remove goto.
8115
8116 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
8117
8118         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
8119         * tree-nested.c: Include pointer-set.h.
8120         (var_map_elt, var_map_eq, var_map_hash): Delete.
8121         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
8122         to pointer_map_t's.
8123         (nesting_info_bitmap_obstack): New.
8124         (lookup_field_for_decl): Adjust for pointer_map API.
8125         (lookup_tramp_for_decl): Adjust for pointer_map API.
8126         (get_nonlocal_debug_decl): Adjust for pointer_map API.
8127         (get_local_debug_decl): Adjust for pointer_map API.
8128         (convert_nl_goto_reference): Adjust for pointer_map API.
8129         (convert_nl_goto_receiver): Adjust for pointer_map API.
8130         (create_nesting_tree): Create outside GGC space.  Create bitmap on
8131         the new obstack.  Create field_map and var_map as pointer_maps.
8132         (free_nesting_tree): Adjust for changes to create_nesting_tree.
8133         (root): Delete.
8134         (lower_nested_functions): Move root here, no need to NULL it.
8135         Initialize and release the obstack.
8136
8137 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
8138
8139         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
8140         Remove prototypes and make them non-static.
8141         (struct tree_int_map): Remove.
8142         * tree.h (struct tree_int_map): Move here, turning TO into an
8143         unsigned int.
8144         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
8145
8146         * tree.h (TREE_COMPLEXITY): Remove.
8147         (struct tree_exp): Remove complexity field.
8148         * tree.c (build1_stat): Don't set it.
8149
8150 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
8151             Victor Kaplansky  <victork@il.ibm.com>
8152
8153         * tree-vectorizer.c (vect_is_simple_use): Support induction.
8154         (vect_is_simple_reduction): Support reduction with induction as
8155         one of the operands.
8156         (vect_is_simple_iv_evolution): Fix formatting.
8157         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
8158         formatting.  Don't mark induction phis for vectorization.
8159         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
8160         * tree-vect-transform.c (get_initial_def_for_induction): New function.
8161         (vect_get_vec_def_for_operand): Support induction.
8162         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
8163         induction case.
8164         (vectorizable_reduction): Support reduction with induction as one of
8165         the operands.
8166         (vectorizable_type_demotion): Use def-type of stmt argument rather
8167         than dummy def-type.
8168
8169         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
8170         flag_tree_scev_cprop.
8171         * common.opt (tree-scev-cprop): New flag.
8172
8173         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
8174         call to vect_get_new_vect_var.
8175
8176 2007-02-06  Ira Rosen  <irar@il.ibm.com>
8177
8178         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
8179         vectype is not NULL.
8180         (vect_pattern_recog_1): Likewise.
8181
8182 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8183
8184         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
8185         (fold_negate_expr): Likewise.
8186
8187 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
8188
8189         PR debug/30189
8190         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
8191         even if cv-qualification is the same.
8192
8193 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
8194
8195         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
8196         __enable_execute_stack on completion.
8197
8198 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8199
8200         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
8201         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
8202         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
8203         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
8204         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
8205         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
8206         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
8207         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
8208
8209 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8210
8211         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
8212         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
8213         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
8214         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
8215         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
8216         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
8217         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
8218         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
8219         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
8220         umuldi3_highpart_rex64, umulsi3_highpart_insn,
8221         umulsi3_highpart_zext, smuldi3_highpart_rex64,
8222         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
8223         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
8224         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
8225         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
8226         sqrtextenddfxf2_i387): Added amdfam10_decode.
8227
8228         * config/i386/athlon.md (athlon_idirect_amdfam10,
8229         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
8230         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
8231         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
8232         athlon_ivector_store_amdfam10): New define_insn_reservation.
8233         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
8234         amdfam10.
8235
8236 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8237
8238         * config/i386/athlon.md (athlon_call_amdfam10,
8239         athlon_pop_amdfam10, athlon_lea_amdfam10): New
8240         define_insn_reservation.
8241         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
8242         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
8243         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
8244
8245 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8246
8247         * config/i386/athlon.md (athlon_sseld_amdfam10,
8248         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
8249         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
8250
8251 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8252
8253         * config/i386/athlon.md (athlon_sseins_amdfam10): New
8254         define_insn_reservation.
8255         * config/i386/i386.md (sseins): Added sseins to define_attr type
8256         and define_attr unit.
8257         * config/i386/sse.md: Set type attribute to sseins for insertq
8258         and insertqi.
8259
8260 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8261
8262         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
8263         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
8264         ssecomi_load_amdfam10, ssecomi_amdfam10,
8265         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
8266         define_insn_reservation.
8267         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
8268
8269 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8270
8271         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
8272         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
8273         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
8274         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
8275         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
8276         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
8277         define_insn_reservation.
8278
8279         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
8280         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
8281         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
8282         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
8283         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
8284
8285 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8286
8287         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
8288         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
8289         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
8290         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
8291         athlon_ssemul_load_k8): Added amdfam10.
8292
8293 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8294
8295         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
8296         (x86_sse_unaligned_move_optimal): New variable.
8297
8298         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
8299         m_AMDFAM10.
8300         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
8301         for unaligned vector SSE double/single precision loads for AMDFAM10.
8302
8303 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8304
8305         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
8306         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
8307         Define TARGET_CPU_DEFAULT_amdfam10.
8308         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
8309         (processor_type): Add PROCESSOR_AMDFAM10.
8310
8311         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
8312         processor_type in config/i386/i386.h.
8313         Enable imul peepholes for TARGET_AMDFAM10.
8314
8315         * config.gcc: Add support for --with-cpu option for amdfam10.
8316
8317         * config/i386/i386.c (amdfam10_cost): New variable.
8318         (m_AMDFAM10): New macro.
8319         (m_ATHLON_K8_AMDFAM10): New macro.
8320         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
8321         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
8322         x86_promote_QImode, x86_integer_DFmode_moves,
8323         x86_partial_reg_dependency, x86_memory_mismatch_stall,
8324         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
8325         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
8326         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
8327         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
8328         Enable/disable for amdfam10.
8329         (override_options): Add amdfam10_cost to processor_target_table.
8330         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
8331         processor_alias_table.
8332         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
8333         (ix86_adjust_cost): Add code for amdfam10.
8334
8335 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8336
8337         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
8338         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
8339         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
8340         * config/i386/i386.h: Add builtin definition for SSE4A.
8341         * config/i386/i386.md: Add support for ABM instructions
8342         (popcnt and lzcnt).
8343         * config/i386/sse.md: Add support for SSE4A instructions
8344         (movntss, movntsd, extrq, insertq).
8345         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
8346         Add -march=amdfam10 flag.
8347         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
8348         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
8349         and amdfam10.
8350         * doc/extend.texi: Add documentation for SSE4A builtins.
8351
8352 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
8353
8354         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
8355
8356 2007-02-05  Richard Guenther  <rguenther@suse.de>
8357
8358         * tree-vectorizer.h (vectorizable_function): Add argument type
8359         argument, change return type.
8360         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
8361         * tree-vect-transform.c (vectorizable_function): Handle extra
8362         argument, return vectorized function decl.
8363         (build_vectorized_function_call): Remove.
8364         (vectorizable_call): Handle calls with result and argument types
8365         differing.  Handle loop vectorization factor correctly.
8366         * targhooks.c (default_builtin_vectorized_function): Adjust for
8367         extra argument.
8368         * targhooks.h (default_builtin_vectorized_function): Likewise.
8369         * target.h (builtin_vectorized_function): Add argument type
8370         argument.
8371         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
8372         extra argument, allow vectorizing of lrintf.
8373         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
8374         documentation of target hook.
8375
8376 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
8377
8378         PR target/30665
8379         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
8380         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
8381         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
8382
8383 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8384
8385         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
8386         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
8387         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
8388         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
8389         before canonicalizing sincos to cexpi.
8390         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
8391
8392 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8393
8394         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
8395         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
8396         (alpha_init_builtins): Use alpha_add_builtins to process tables.
8397
8398 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8399
8400         * mips-tfile.c (initialize_init_file): Correct endianness test.
8401
8402 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
8403
8404         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
8405         the 'y' constraint.
8406
8407 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
8408
8409         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
8410         saves in a PARALLEL before the register assignments.
8411
8412 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
8413
8414         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
8415         DWARF_FRAME_RETURN_COLUMN to be a general register.
8416         * dwarf2out.c (init_return_column_size): New function, split from...
8417         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
8418         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
8419         to be nongeneral registers.
8420         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
8421         integer registers.
8422         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
8423         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
8424
8425 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
8426
8427         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
8428
8429 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
8430
8431         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
8432         (remove_path): Use can_remove_branch_p and remove_branch instead
8433         of loop_delete_branch_edge.
8434         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
8435         (tree_transform_and_unroll_loop): Remove dead branches immediately.
8436         Update profile using scale_dominated_blocks_in_loop.
8437         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
8438         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
8439         (can_remove_branch_p, remove_branch): Declare.
8440         * tree-cfg.c (tree_can_remove_branch_p): New function.
8441         (tree_cfg_hooks): Add tree_can_remove_branch_p.
8442         * cfgrtl.c (rtl_can_remove_branch_p): New function.
8443         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
8444
8445 2007-02-05  Jan Hubicka  <jh@suse.cz>
8446
8447         PR middle-end/30696
8448         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
8449         nodes in cgraph, don't remove offline copy of the function.
8450
8451 2007-02-04  Jan Hubicka  <jh@suse.cz>
8452
8453         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
8454         vectors might cause maybe_lookup_element_for_expr to be called
8455         on non-sra-candidate.
8456
8457 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
8458
8459         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
8460         config/bfin/bfin.md, config/bfin/predicates.md: Follow
8461         spelling conventions.
8462
8463 2007-02-04  Richard Guenther  <rguenther@suse.de>
8464
8465         PR middle-end/30636
8466         * fold-const.c (try_move_mult_to_index): Make sure to not
8467         overflow one dimension of a multi-dimensional array access.
8468
8469 2007-02-04  Jan Hubicka  <jh@suse.cz>
8470
8471         * passes.c (init_optimization_passes): Reindent.
8472
8473 2007-02-04  Jan Hubicka  <jh@suse.cz>
8474             Eric Botcazou  <ebotcazou@adacore.com>
8475
8476         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
8477         (execute_fixup_cfg): Break out the abnormal goto code.
8478         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
8479         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
8480         (optimize_inline_calls): Call make_nonlocal_label_edges.
8481
8482 2007-02-04  Jan Hubicka  <jh@suse.cz>
8483
8484         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
8485         true when something was changed.
8486         (rename_ssa_copies): When something was changed, do
8487         TODO_remove_unused_locals.
8488         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
8489         add TODO_remove_unused_locals when instruction was removed.
8490
8491 2007-02-04  Jan Hubicka  <jh@suse.cz>
8492
8493         * ipa-inline.c (try_inline): Improve debug output; work on already
8494         inline edges too.
8495         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
8496         call try_inline for already inlined edges too when flattening;
8497         inline also functions that make callee growth but overall unit size
8498         reduce.
8499
8500 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
8501
8502         * config/m32c/bitops.md, config/m32c/jump.md,
8503         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
8504         config/m32r/m32r.h, config/m32r/m32r.md,
8505         config/m32r/predicates.md, config/m68hc11/larith.asm,
8506         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
8507         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
8508         config/mips/mips-protos.h, config/mips/mips.c,
8509         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
8510         config/mn10300/mn10300.h, config/mn10300/predicates.md,
8511         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
8512         spelling conventions.
8513
8514         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
8515         Follow spelling conventions.
8516
8517 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
8518
8519         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
8520         warn about C++0x compatibility.
8521
8522 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
8523
8524         * config/h8300/h8300.c, config/h8300/h8300.h,
8525         config/h8300/h8300.md: Follow spelling conventions.
8526
8527 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
8528
8529         PR middle-end/30667
8530         * combine.c (try_combine): Do not substitute source operand
8531         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
8532
8533 2007-02-03  Jan Hubicka  <jh@suse.cz>
8534
8535         PR gcov-profile/30650
8536         * value-prof.c (stringop_block_profile): Fix handling of size counter;
8537         do not divide by zero for never executed counters.
8538         (tree_find_values_to_profile): Fix counters.
8539         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
8540
8541 2007-02-03  Ian Lance Taylor  <iant@google.com>
8542
8543         * lower-subreg.c (simple_move_operand): New static function,
8544         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
8545         operands.
8546         (simple_move): Call simple_move_operand.
8547         (find_decomposable_subregs): Add special handling of MEMs.
8548         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
8549         meaning of return value.  If we see a hard register, test whether
8550         it can store a word_mode value.  Change all callers.
8551
8552 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8553
8554         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
8555         ftrapv insns and expanders.
8556         (subdi3): Change define_expand operand 1 to arith11_operand, and
8557         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
8558         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
8559         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
8560         respectively.
8561
8562         PR middle-end/30174
8563         * varasm.c (notice_global_symbol): Treat global objects as weak when
8564         flag_shlib is true.
8565
8566 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8567
8568         * emit-rtl.c (dconstpi): Delete.
8569         (dconstsqrt2): New.
8570         (init_emit_once): Delete dconstpi and init dconstsqrt2.
8571         * real.h (dconstpi): Delete.
8572         (dconstsqrt2): New.
8573         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
8574         (fold_builtin_hypot): Likewise.
8575
8576 2007-02-03  Tom Tromey  <tromey@redhat.com>
8577
8578         PR driver/30246
8579         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
8580         -gcoff3, -gxcoff3, -gvms3 implies -dD.
8581
8582 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
8583
8584         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
8585         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
8586         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
8587         config/rs6000/cell.md, config/rs6000/darwin.h,
8588         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
8589         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
8590         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
8591         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
8592         typos.  Follow spelling conventions.
8593         * doc/invoke.texi: Follow spelling conventions.
8594
8595 2007-02-03  Roger Sayle  <roger@eyesopen.com>
8596
8597         * simplify-rtx.c (simplify_relational_operation_1): Implement some
8598         canonicalization transformations that attempt to simplify integer
8599         constant comparisons to become comparisons against zero.
8600
8601 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8602
8603         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
8604         fabs(x)*sqrt(2).
8605         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
8606         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
8607
8608 2007-02-02  Mike Stump  <mrs@apple.com>
8609
8610         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
8611         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
8612         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
8613         generate a branch island.
8614
8615 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
8616
8617         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
8618         (xtensa_legitimate_address_p): New.
8619         (xtensa_legitimize_address): New.
8620         (xtensa_output_addr_const_extra): New.
8621         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
8622         (BASE_REG_P): New.
8623         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
8624         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
8625         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
8626         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
8627         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
8628         (xtensa_legitimize_address): New.
8629         (xtensa_output_addr_const_extra): New.
8630
8631 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
8632
8633         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
8634
8635 2007-02-02  Ian Lance Taylor  <iant@google.com>
8636
8637         * expmed.c (expand_divmod): Add comment.
8638
8639 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
8640
8641         * emit-rtl.c (renumber_insns): Remove.
8642         * flags.h: Remove the extern for flag_renumber_insns.
8643         * rtl.h: Remove the prototype for renumber_insns.
8644         * toplev.c (flag_renumber_insns): Remove.
8645
8646 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
8647
8648         Revert for x86 darwin:
8649         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
8650
8651         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
8652         code before the following patch under TARGET_MACHO.
8653         (ix86_function_value_regno_p): Likewise.
8654
8655 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8656
8657         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
8658         COMPLEX_EXPR.
8659
8660 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
8661
8662         PR target/29682
8663         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
8664         general or fp registers.  Add comments.
8665         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
8666
8667 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
8668
8669         * pointer-set.c (insert_aux): Only return insertion slot.
8670         (pointer_set_insert): Adjust.
8671         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
8672         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
8673         pointer_map_traverse): New.
8674         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
8675         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
8676         pointer_map_contains, pointer_map_traverse): Declare.
8677
8678 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
8679
8680         PR middle-end/30473
8681         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
8682         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
8683
8684 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
8685
8686         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
8687
8688         (struct _dep): New type.
8689         (dep_t): New typedef.
8690         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
8691         (DEP_STATUS): New access macro.  The macro with the same name was
8692         renamed to DEP_LINK_STATUS.
8693         (dep_init): Declare function
8694
8695         (struct _dep_link): New type.
8696         (dep_link_t): New typedef.
8697         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
8698         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
8699         (DEP_LINK_STATUS): New macro.
8700         (debug_dep_links): New debug function.
8701
8702         (struct _deps_list): New type.
8703         (deps_list_t): New typedef.
8704         (DEPS_LIST_FIRST): New access macro.
8705         (FOR_EACH_DEP_LINK): New cycle macro.
8706         (create_deps_list, free_deps_list, delete_deps_list): Declare
8707         functions.
8708         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
8709         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
8710         (copy_deps_list_change_con): Ditto.
8711
8712         (move_dep_link): Declare function.
8713
8714         (struct _dep_node): New type.
8715         (dep_node_t): New typedef.
8716         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
8717
8718         (struct haifa_insn_data.back_deps): New field to hold backward
8719         dependencies of the insn.
8720         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
8721         to deps_list_t.
8722         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
8723         Change its type to deps_list_t.
8724         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
8725         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
8726         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
8727
8728         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
8729
8730         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
8731
8732         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
8733         all callers.
8734         (dep_cost): Declare.
8735
8736         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
8737         (ds_to_dk, dk_to_ds): New functions.
8738
8739         (init_dep_1): New static function.
8740         (init_dep): New function.
8741         (copy_dep): New static function.
8742
8743         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
8744         functions.
8745         (detach_dep_link): New static function.
8746         (move_dep_link): New function.
8747
8748         (dep_links_consistent_p, dump_dep_links): New static functions.
8749         (debug_dep_links): New debugging function.
8750
8751         (deps_obstack, dl_obstack, dn_obstack): New static variables.
8752
8753         (alloc_deps_list, init_deps_list): New static functions.
8754         (create_deps_list): New function.
8755         (clear_deps_list): New static function.
8756         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
8757         (deps_list_consistent_p, dump_deps_list): New static functions.
8758         (debug_deps_list): New function.
8759         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
8760         functions.
8761         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
8762
8763         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
8764         use new scheduler dependencies lists.
8765         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
8766         (sched_analyze): Ditto.  Initialize dependencies lists.
8767         (add_forw_dep, compute_forward_dependences): Update to use new
8768         scheduler dependencies lists.
8769
8770         (init_dependency_caches): Init deps_obstack.
8771         (free_dependency_caches): Free deps_obstack.
8772
8773         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
8774         new scheduler dependencies lists.
8775         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
8776         (add_back_forw_dep, delete_back_forw_dep): Ditto.
8777
8778         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
8779         Update to use new scheduler dependencies lists.
8780         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
8781         (debug_dependencies): Ditto.
8782         (schedule_region): Update comments.
8783
8784         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
8785         scheduler dependencies lists.
8786         (schedule_ebb): Update comments.
8787
8788         * rtl.def (DEPS_LIST): Remove.
8789
8790         * lists.c (unused_deps_list): Remove.
8791         (free_list): Update assertions.
8792
8793         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
8794         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
8795
8796         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
8797         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
8798
8799         * haifa-sched.c (comments): Update.
8800         (insn_cost1): Remove.  Inline the code into insn_cost ().
8801         (insn_cost): Update to use new scheduler dependencies lists.  Move
8802         processing of the dependency cost to dep_cost ().
8803         (dep_cost): New function.  Use it instead of insn_cost () when
8804         evaluating cost of the dependency.  Use compatible interface to
8805         interact with the target.
8806         (priority): Update to use new scheduler dependencies lists.
8807         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
8808         with greater number of insns that depend on the insn.
8809         (schedule_insn): Update to use new scheduler dependencies lists.  Add
8810         code to free backward dependencies lists.  Inline and optimize code
8811         from resolve_dep () - see PR28071.
8812         (ok_for_early_queue_removal): Update to use new scheduler dependencies
8813         lists.  Update call to targetm.sched.is_costly_dependence hook.
8814
8815         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
8816         scheduler dependencies lists.
8817
8818         (resolve_dep): Remove.  Move the logic to schedule_insn ().
8819         (init_h_i_d): Initialize dependencies lists.
8820
8821         (process_insn_depend_be_in_spec): Rename to
8822         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
8823         dependencies lists.
8824         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
8825         Update to use new scheduler dependencies lists.
8826         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
8827
8828         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
8829         new scheduler dependencies lists.
8830         (build_intra_loop_deps): Ditto.
8831
8832         * target.h (struct _dep): Declare to use in
8833         gcc_target.sched.is_costly_dependence.
8834         (struct gcc_target.sched.adjust_cost): Fix typo.
8835         (struct gcc_target.sched.is_costly_dependence): Change signature to use
8836         single dep_t parameter instead of an equivalent triad.
8837         (struct gcc_target.sched.adjust_cost_2): Remove.
8838
8839         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
8840
8841         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
8842
8843         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
8844         documentation.
8845         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
8846
8847         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
8848         (REG_DEP_TRUE): Document.
8849
8850         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
8851         Change signature to correspond to the targetm.sched.adjust_cost hook.
8852         Update use in TARGET_SCHED_ADJUST_COST_2.
8853         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
8854         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
8855         new scheduler dependencies lists.
8856         (ia64_gen_check): Ditto.
8857
8858         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
8859         dependencies lists.
8860
8861         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
8862         signature to correspond to the targetm.sched.is_costly_dependence hook.
8863         (is_costly_group): Update to use new scheduler dependencies lists.
8864
8865         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
8866         instead of INSN_COST () macro.
8867
8868 2007-02-01  Ian Lance Taylor  <iant@google.com>
8869
8870         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
8871
8872 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
8873
8874         * pa.md (tp_load): Correct mfctl instruction syntax.
8875
8876 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
8877
8878         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
8879         altivec_padding_size calculation on AIX.  Improve comment, add
8880         assert to verify that it's right.
8881
8882         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
8883         64-bit.
8884
8885 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
8886
8887         PR inline-asm/28686
8888         * global.c (global_alloc): Add mising initialization of
8889         ELIMINABLE_REGSET.
8890
8891 2007-02-01  Roger Sayle  <roger@eyesopen.com>
8892
8893         * alias.c (init_alias_analysis): Correct whitespace.
8894         * bb-reorder.c (fix_edges_for_rarely_executed_code,
8895         partition_hot_cold_basic_blocks): Likewise.
8896         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
8897         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
8898         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
8899         fold_builtin_snprintf_chk, fold_builtin_printf,
8900         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
8901         do_mpfr_arg3, do_mpfr_sincos): Likewise.
8902         * cfgcleanup.c (cleanup_cfg): Likewise.
8903         * cfgexpand.c (tree_expand_cfg): Likewise.
8904         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
8905         * function.c (get_next_funcdef_no): Likewise.
8906         * gengtype.c (main): Likewise.
8907         * genmodes.c (main): Likewise.
8908         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
8909         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
8910         * ifcvt.c (noce_emit_move_insn): Likewise.
8911         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
8912         Likewise.
8913         * stor-layout.c (get_best_mode): Likewise.
8914         * tree-ssa-loop-niter.c (get_val_for): Likewise.
8915         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
8916         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
8917         perform_var_substitution, solve_graph): Likewise.
8918         * tree-vrp.c (vrp_finalize): Likewise.
8919
8920 2007-02-01  Ian Lance Taylor  <iant@google.com>
8921
8922         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
8923         high part of a paradoxical subreg, return a constant zero.
8924
8925 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
8926
8927         * toplev.c (lang_dependent_init): Call init_set_costs.
8928         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
8929
8930 2007-02-01  Richard Guenther  <rguenther@suse.de>
8931
8932         PR middle-end/30656
8933         * fold-const.c (fold_negate_expr): Allow negating a
8934         constant if overflow does not change.
8935
8936 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8937
8938         * doc/c-tree.texi (Expression trees): Improve markup.
8939         * doc/tm.texi (Register Classes, Addressing Modes)
8940         (Floating Point): Fix spacing after abbreviations.  Fix some
8941         typos.
8942
8943 2007-02-01  Ben Elliston  <bje@au.ibm.com>
8944
8945         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
8946         * doc/contrib.texi: Likewise.
8947         * doc/install.texi: Likewise.
8948
8949 2007-01-31  Richard Henderson  <rth@redhat.com>
8950             Ian Lance Taylor  <iant@google.com>
8951
8952         * lower-subreg.c: New file.
8953         * rtl.def (CONCATN): Define.
8954         * passes.c (init_optimization_passes): Add pass_lower_subreg and
8955         pass_lower_subreg2.
8956         * emit-rtl.c (update_reg_offset): New static function, broken out
8957         of gen_rtx_REG_offset.
8958         (gen_rtx_REG_offset): Call update_reg_offset.
8959         (gen_reg_rtx_offset): New function.
8960         * regclass.c: Revert patch of 2006-03-05, restoring
8961         reg_scan_update.
8962         (clear_reg_info_regno): New function.
8963         * dwarf2out.c (concatn_loc_descriptor): New static function.
8964         (loc_descriptor): Handle CONCATN.
8965         * common.opt (fsplit_wide_types): New option.
8966         * opts.c (decode_options): Set flag_split_wide_types when
8967         optimizing.
8968         * timevar.def (TV_LOWER_SUBREG): Define.
8969         * rtl.h (gen_reg_rtx_offset): Declare.
8970         (reg_scan_update): Declare.
8971         * regs.h (clear_reg_info_regno): Declare.
8972         * tree-pass.h (pass_lower_subreg): Declare.
8973         (pass_lower_subreg2): Declare.
8974         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
8975         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
8976         -fsplit-wide-types.
8977         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
8978         * Makefile.in (OBJS-common): Add lower-subreg.o.
8979         (lower-subreg.o): New target.
8980
8981 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
8982
8983         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
8984
8985 2007-01-31  Anatoly Sokolov <aesok@post.ru>
8986
8987         PR target/19087
8988         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
8989
8990 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8991
8992         PR middle-end/29335
8993         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
8994
8995 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
8996
8997         * cfgloop.h: Include vec-prim.h.
8998         (enum li_flags): Remove LI_ONLY_OLD.
8999         (loop_iterator): Changed.
9000         (fel_next, fel_init): Iterate over loop tree.
9001         (FOR_EACH_LOOP_BREAK): New macro.
9002         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
9003         FOR_EACH_LOOP.
9004         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
9005         * modulo-sched.c (sms_schedule): Ditto.
9006         * tree-vectorizer.c (vectorize_loops): Ditto.
9007         * doc/loop.texi: Update information on loop numbering and behavior of
9008         FOR_EACH_LOOP wrto new loops.
9009         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9010         add_to_evolution_1): Test nestedness of loops instead of comparing
9011         their numbers.
9012         * tree-chrec.c (chrec_fold_plus_poly_poly,
9013         chrec_fold_multiply_poly_poly, chrec_evaluate,
9014         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
9015         reset_evolution_in_loop): Ditto.
9016         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
9017
9018 2007-01-31  Dirk Mueller  <dmueller@suse.de>
9019
9020         * c-common.c (warn_about_parentheses): Separate warning about
9021         un-parenthized sequence of comparison operators from the one
9022         which is supposed to warn about x <= y <= z.
9023
9024 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
9025
9026         * optabs.h (enum optab_index): Add new OTI_isinf.
9027         (isinf_optab): Define corresponding macro.
9028         * optabs.c (init_optabs): Initialize isinf_optab.
9029         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
9030         patterns.
9031         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
9032         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
9033         using isinf_optab.
9034         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
9035         expand_builtin_interclass_mathfn.
9036         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
9037         * config/i386/i386.md (UNSPEC_FXAM): New constant.
9038         (fxam<mode>2_i387): New insn pattern.
9039         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
9040         built-in functions as x87 inline asm.
9041
9042 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9043
9044         * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
9045
9046 2007-01-30  Eric Christopher  <echristo@apple.com>
9047
9048         * config.gcc: Add geode.
9049
9050 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9051
9052         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
9053         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
9054         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
9055         value-prof.c: Fix comment typos.
9056
9057 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9058
9059         PR c++/24745
9060         * doc/invoke.texi (Wpointer-arith): Document warning.
9061
9062 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
9063
9064         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
9065         the list of discrepancies from the draft TR.
9066
9067 2007-01-30  Dirk Mueller  <dmueller@suse.de>
9068
9069         PR c++/30601
9070         * doc/invoke.texi (-Wreturn-type): Update description to
9071         match new behavior.
9072
9073 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
9074
9075         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
9076
9077 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
9078
9079         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
9080         to handle optabs that operate on floating point input argument and
9081         output to integer output.
9082         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
9083         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
9084         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
9085         expand_builtin_interclass_mathfn ().
9086         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
9087         (ilogbsi2): Remove.
9088         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
9089         ilogbl built-in functions as x87 intrinsics.
9090
9091 2007-01-30  Richard Guenther  <rguenther@suse.de>
9092
9093         PR middle-end/27657
9094         * dwarf2out.c (reference_to_unused): Query varpool if the
9095         variable was output.
9096
9097 2007-01-30  Richard Guenther  <rguenther@suse.de>
9098
9099         PR middle-end/30313
9100         * passes.c (execute_one_pass): Reset in_gimple_form to not
9101         confuse non-unit-at-a-time mode.
9102
9103 2007-01-29  Roger Sayle  <roger@eyesopen.com>
9104             Richard Guenther  <rguenther@suse.de>
9105
9106         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
9107         avoid undefined behaviour on overflow.  Use force_fit_type_double
9108         to construct the constant with the specified TREE_OVERFLOW.
9109
9110 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
9111
9112         * config/dfp-bit.c: Add parameterized support for fp exceptions.
9113         * config/dfp-bit.h: Ditto.
9114
9115 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9116
9117         * c-decl.c (pop_scope): Replace warnings with call to
9118         warn_for_unused_label.
9119         * c-common.h (warn_for_unused_label): Declare.
9120         * c-common.c (warn_for_unused_label): Define.
9121
9122 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9123
9124         * tree-optimize.c (update_inlined_to_pointers): Delete unused
9125         function.
9126
9127 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
9128
9129         * Makefile.in (USER_H): Remove decfloat.h.
9130         * ginclude/decfloat.h: Delete, moving contents to ...
9131         * ginclude/float.h: Add support for decimal floating point,
9132         guarded by __STDC_WANT_DEC_FP__.
9133
9134 2007-01-29  Mike Stump  <mrs@apple.com>
9135
9136         * doc/gccint.texi (Top): Rename Loop Representation to Loop
9137         Analysis and Representation to resolve case insensitive conflict.
9138         * doc/loop.texi (Loop Analysis and Representation): Likewise.
9139
9140 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
9141
9142         * tree.h (struct tree_memory_tag): Add aliases member.
9143         (MTAG_ALIASES): New macro.
9144         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
9145         (add_may_alias): Remove pointer-set. Update for may_aliases being
9146         a bitmap.
9147         (mark_aliases_call_clobbered): Update for may_aliases being a
9148         bitmap.
9149         (compute_tag_properties): Ditto.
9150         (create_partition_for): Ditto.
9151         (compute_memory_partitions): Ditto.
9152         (dump_may_aliases_for): Ditto.
9153         (is_aliased_with): Ditto.
9154         (add_may_alias_for_new_tag): Ditto.
9155         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
9156         (compute_is_aliased): New function.
9157         (compute_may_aliases): Call compute_is_aliased).
9158         (init_alias_info): Initialize alias_bitmap_obstack.
9159         (union_alias_set_into): New function.
9160         (compute_flow_sensitive_aliasing): Use union_aliases_into.
9161         (have_common_aliases_p): Rewrite to take two bitmaps and use
9162         intersection.
9163         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
9164         Update for bitmaps.
9165         (finalize_ref_all_pointers): Update for add_may_alias changes.
9166         (new_type_alias): Ditto.
9167         * tree-flow-inline.h (may_aliases): Return a bitmap.
9168         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
9169         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
9170         may_aliases being a bitmap.
9171         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
9172         may_aliases now returns a bitmap.
9173         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
9174         being a bitmap.
9175         * tree-ssa-operands.c (add_virtual_operand): Update for
9176         may_aliases being a bitmap.
9177
9178 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
9179
9180         PR tree-optimization/30630
9181         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
9182         variable as changed.
9183
9184 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
9185
9186         PR c++/28266
9187         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
9188         expanded only once even if an error occurs.
9189
9190 2007-01-29  Ben Elliston  <bje@au.ibm.com>
9191
9192         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
9193         (__gcov_average_profiler): Likewise.
9194         (__gcov_ior_profiler): Likewise.
9195         (__gcov_merge_ior): Likewise.
9196
9197 2007-01-28  Jan Hubicka  <jh@suse.cz>
9198
9199         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
9200         * value-prof.c (stringop_block_profile): Likewise.
9201
9202 2007-01-28  Jan Hubicka  <jh@suse.cz>
9203
9204         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
9205         variant handling histograms; add wrapper.
9206         (clear_storage_via_libcall): Export.
9207         (emit_block_move_hints): Break out from ...; add histograms.
9208         (emit_block_move): ... this one.
9209         (clear_storage_hints): Break out from ...; add histograms.
9210         (clear_storage): ... this one.
9211         (set_storage_via_memset): Handle histogram.
9212         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
9213         (clear_storage_hints, clear_storage_via_libcall): Declare.
9214         (set_storage_via_setmem): Update prototype.
9215         * doc/md.texi (movmem, setmem): Document new arguments.
9216
9217         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
9218         new histograms.
9219         (stringop_block_profile): New global function.
9220         (tree_stringops_values_to_profile): Profile block size and alignment.
9221         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
9222         HIST_TYPE_IOR.
9223         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
9224         (stringop_block_profile): Declare.
9225         * builtins.c: Include value-prof.h.
9226         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
9227         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
9228         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
9229         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
9230         * profile.c (instrument_values): Add new counters.
9231         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
9232         calls.
9233         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
9234         (tree_init_edge_profiler): Build new profilers.
9235         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
9236         (pass_tree_profile): Add dump.
9237         (tree_profile_hooks): Update.
9238         * Makefile.in (LIBGCOV): Add new constants.
9239         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
9240         __gcov_ior_profiler): New.
9241         * i386.md (movmem/setmem expanders): Add new optional arguments.
9242
9243 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
9244
9245         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
9246
9247 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
9248
9249         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
9250         (tree_unswitch_single_loop): Pass eni_size_weights to
9251         tree_num_loop_insns.
9252         * tree-ssa-loop-manip.c: Include tree-inline.h.
9253         (can_unroll_loop_p): Pass eni_size_weights to
9254         tree_num_loop_insns.
9255         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
9256         Pass eni_size_weights to estimate_num_insns.
9257         * tree.h (init_inline_once): Export.
9258         * toplev.c (backend_init): Call init_inline_once.
9259         * cgraphunit.c (cgraph_process_new_functions,
9260         cgraph_analyze_function): Pass eni_inlining_weights to
9261         estimate_num_insns.
9262         * ipa-inline.c (compute_inline_parameters): Ditto.
9263         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
9264         to estimate_num_insns.
9265         (try_unroll_loop_completely): Pass eni_size_weights to
9266         tree_num_loop_insns.
9267         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
9268         ot estimate_num_insns.
9269         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
9270         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
9271         * tree-inline.c (eni_inlining_weights, eni_size_weights,
9272         eni_time_weights): New variables.
9273         (init_inline_once): Initialize them.
9274         (struct eni_data): Mew.
9275         (estimate_num_insns_1, estimate_num_insns): Use weights.
9276         * tree-inline.h (struct eni_weights_d): New.
9277         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
9278         (estimate_num_insns): Declaration changed.
9279         * cfgloop.h (tree_num_loop_insns): Declaration changed.
9280         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
9281         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
9282
9283 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
9284
9285         * tree-data-ref.c (conflict_fn): Assert that the number of affine
9286         relations in the conflict function is valid.
9287
9288 2007-01-27  Ian Lance Taylor  <iant@google.com>
9289
9290         * common.opt: Add fstrict-overflow.
9291         * opts.c (decode_options): Set flag_strict_overflow if -O2.
9292         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
9293         (TYPE_OVERFLOW_UNDEFINED): Define.
9294         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
9295         Replace all uses.
9296         * tree.h (TYPE_TRAP_SIGNED): Don't define.
9297         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
9298         (fold_negate_expr): Likewise.
9299         (make_range): Likewise.
9300         (extract_muldiv_1): Likewise.
9301         (maybe_canonicalize_comparison): Likewise.
9302         (fold_comparison): Likewise.
9303         (fold_binary): Likewise.
9304         (tree_expr_nonnegative_p): Likewise.
9305         (tree_expr_nonzero_p): Likewise.
9306         * tree-vrp.c (compare_values): Likewise.
9307         (extract_range_from_binary_expr): Likewise.
9308         (extract_range_from_unary_expr): Likewise.
9309         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
9310         Likewise.
9311         (nowrap_type_p): Likewise.
9312         * tree-scalar-evolution.c (simple_iv): Likewise.
9313         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
9314         (build_range_check): Likewise.
9315         (extract_muldiv_1): Likewise.
9316         (fold_comparison): Likewise.
9317         * tree-vrp.c (vrp_int_const_binop): Likewise.
9318         (extract_range_from_unary_expr): Likewise.
9319         * convert.c (convert_to_integer): Likewise.
9320         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
9321         (fold_comparison): Likewise.
9322         (fold_binary): Likewise.
9323         * optabs.c (optab_for_tree_code): Likewise.
9324         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
9325         * simplify-rtx.c (simplify_const_relational_operation): Check
9326         flag_strict_overflow and flag_trapv.
9327         (simplify_const_relational_operation): Likewise.
9328         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
9329         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
9330         -fstrict-overflow.
9331
9332 2007-01-27  Roger Sayle  <roger@eyesopen.com>
9333
9334         * tree.c (tree_fold_gcd): Delete.
9335         * tree.h (tree_fold_gcd): Remove prototype.
9336         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
9337         test whether one constant integer is a multiple of another.  Instead
9338         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
9339         * fold-const.c (multiple_of_p):  We've determined both TOP and
9340         BOTTOM are integer constants so we can call int_const_binop directly
9341         instead of the more generic const_binop.
9342
9343 2007-01-27  Roger Sayle  <roger@eyesopen.com>
9344
9345         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
9346         1*X check that the constant hasn't overflowed, to preserve the
9347         TREE_OVERFLOW bit.
9348         (round_up): Provide an efficient implementation when rouding-up an
9349         INTEGER_CST to a power-of-two.
9350
9351 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9352
9353         * doc/sourcebuild.texi: Add comma for clarity.
9354         * doc/extend.texi: Fix some typos.
9355         * doc/passes.texi: Likewise.
9356         * doc/cppinternals.texi: Likewise.
9357         * doc/c-tree.texi: Likewise.
9358         * doc/tree-ssa.texi: Likewise.
9359         * doc/install.texi: Likewise.
9360
9361 2007-01-27  Jan Hubicka  <jh@suse.cz>
9362
9363         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
9364         (pass_sra): Do not require alias information.
9365         * passes.c (init_optimization_passes): Add SRA
9366
9367 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
9368
9369         * tracer.c (rest_of_handle_tracer): We already cleaned
9370         up the CFG in tracer() so don't do it here again.
9371         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
9372         cleanup_cfg here, either.  And don't call renumber_insns.
9373
9374         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
9375         and BB_HEAD are in the insn stream here.  Instead make sure
9376         that BB_INSN is valid on all insns.  Also, do check here that
9377         there are no pending branch predictions...
9378         (rtl_verify_flow_info): ...instead of doing it here.  Checks
9379         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
9380         here.
9381
9382 2007-01-26  Roger Sayle  <roger@eyesopen.com>
9383
9384         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
9385         function to simplify/factorize operand order canonicalization.
9386         (ix86_fixup_binary_operands): Reorganize using the above function.
9387         (ix86_binary_operator_ok): Likewise.
9388
9389 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
9390
9391         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
9392         file scope from optimize_attrs.
9393         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
9394         up search.
9395         (optimize_attrs): Clear insn_code_values after freeing it.
9396
9397 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
9398
9399         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
9400         a parts.base assignment.
9401
9402 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
9403
9404         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
9405         (compute_subscript_distance, initialize_data_dependence_relation,
9406         finalize_ddr_dependent, analyze_ziv_subscript,
9407         analyze_siv_subscript_cst_affine,
9408         compute_overlap_steps_for_affine_univar,
9409         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
9410         analyze_siv_subscript, analyze_miv_subscript,
9411         analyze_overlapping_iterations, subscript_dependence_tester_1,
9412         compute_self_dependence, free_dependence_relation): Work
9413         with affine_fn instead of chrecs.
9414         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
9415         common_affine_function, affine_function_base,
9416         affine_function_constant_p, affine_fn_op, affine_fn_plus,
9417         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
9418         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
9419         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
9420         (all_chrecs_equal_p): Removed.
9421         * tree-data-ref.h (affine_fn, conflict_function): New types.
9422         (struct subscript): Change type of conflicting_iterations_in_a
9423         and conflicting_iterations_in_b.
9424
9425 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
9426
9427         PR other/30182
9428         * config/pa/pa.h (TARGET_HPUX_11): New.
9429         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
9430         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
9431
9432 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
9433         Richard Guenther  <rguenther@suse.de>
9434
9435         * tree-ssa-structalias.c (solve_graph): Handle case
9436         we merged the variable to another.
9437
9438 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9439
9440         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
9441         functions.
9442
9443         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
9444         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
9445
9446 2007-01-25  DJ Delorie  <dj@redhat.com>
9447
9448         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
9449         allow changes to modes which don't fit in those registers.
9450
9451         * reload1.c (choose_reload_regs): Check for invalid subregs before
9452         computing their locations, not after.
9453
9454 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
9455
9456         PR 25127
9457         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
9458         save Altivec registers in an eh_return function.
9459         (compute_vrsave_mask): Likewise.
9460         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
9461         for saving Altivec registers.
9462         (rs6000_emit_prologue): Don't allocate stack twice in
9463         eh_return function.  Correct expected value of altivec_save_offset
9464         when using save_world.  Describe save of R0 to stack when using
9465         save_world.  Describe stack pointer adjustment when using
9466         save_world.  Remove duplicated eh_return parameter register saving.
9467         Update sp_offset variable after save_world.
9468         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
9469         darwin-world.asm.
9470         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
9471         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
9472         implies Altivec.
9473
9474 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
9475
9476         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
9477
9478 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
9479
9480         PR other/30182
9481         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
9482         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
9483
9484 2007-01-25  Richard Guenther  <rguenther@suse.de>
9485
9486         * doc/invoke.texi (-Wcoverage-mismatch): Document.
9487         * common.opt (-Wcoverage-mismatch): New warning option.
9488         * coverage.c (get_coverage_counts): Ignore coverage mismatch
9489         if -Wcoverage-mismatch is given.
9490
9491 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
9492
9493         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
9494         (ipcp_driver): Change to static definition.
9495         Add dumping of the ifunctions.
9496         (constant_val_insert): Remove unused parameter. Support for SSA.
9497         (ipcp_propagate_const): Support for SSA.
9498         (ipcp_profile_bb_print): Print only analyzed nodes.
9499         (ipcp_replace_map_create): Remove support for Fortran constant
9500         for now.
9501         * ipa-prop.c (ipa_method_modify_stmt,
9502         ipa_callsite_compute_param): Support for SSA.
9503         * ipa-prop.h (ipcp_driver): Remove declaration.
9504         (IS_VALID_TREE_MAP_INDEX): Add define.
9505
9506 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
9507
9508         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
9509
9510 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9511
9512         PR middle-end/30447
9513         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
9514         constant argument to cabs and do it without checking for
9515         -funsafe-math-optimizations.
9516
9517 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
9518
9519         * c-common.h (RID_FIRST_CXX0X): New.
9520         (RID_LAST_CXX0X): New.
9521         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
9522         by -Wall.
9523         * c.opt (Wc++0x-compat): New.
9524         * doc/invoke.texi (-Wc++0x-compat): Document.
9525
9526 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9527
9528         * builtins.c (fold_builtin_carg): New.
9529         (fold_builtin_1): Use it.
9530
9531 2007-01-24  Jan Hubicka  <jh@suse.cz>
9532
9533         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
9534
9535         * ipa-inline.c (initial_insns, max_insns): Delete.
9536         (compute_max_insns): New function.
9537         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
9538         of insns as base for code growth.
9539         (cgraph_decide_inlining): Make initial_insns local; do not compute
9540         max_insns.
9541         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
9542         * doc/invoke.texi (inline-unit-growth): Update docs.
9543
9544 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
9545
9546         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
9547         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
9548         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
9549         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
9550         for CPUs that have PTA_CX16 set.
9551
9552         PR middle-end/27416
9553         * gimplify.c (omp_check_private): New function.
9554         (gimplify_scan_omp_clauses): Use it for
9555         firstprivate/lastprivate/reduction.
9556
9557         PR middle-end/30494
9558         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
9559         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
9560
9561         PR middle-end/30421
9562         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
9563         If lower_lastprivate_clauses emits some statements, append them
9564         to dlist rather than body_p and to body_p append an initializer.
9565         (lower_omp_for): Adjust caller.
9566
9567 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
9568
9569         * target.h (globalize_decl_name): New.
9570         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
9571         * output.h (default_globalize_decl_name): New.
9572         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
9573         globalize_label.
9574         (globalize_decl): Ditto.
9575         (default_globalize_decl_name): New.
9576         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
9577         (ia64_handle_version_id_attribute): New.
9578         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
9579         (ia64_asm_output_external): Use globalize_decl_name instead
9580         of globalize_label.
9581         * doc/extend.texi (version_id): New pragma.
9582         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
9583
9584 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
9585
9586         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
9587         _uleb128_t and _Unwind_SWord with _sleb128_t.
9588         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
9589         uw_frame_state_for, uw_update_context_1): Likewise.
9590         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
9591         * unwind-pe.h (read_uleb128, read_sleb128,
9592         read_encoded_value_with_base): Likewise.
9593         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
9594
9595 2007-01-24  Richard Guenther  <rguenther@suse.de>
9596
9597         * builtins.c (expand_builtin_cexpi): Get the fndecl
9598         for cexp in the correct way.
9599
9600 2007-01-24  Jan Hubicka  <jh@suse.cz>
9601
9602         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
9603
9604 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
9605
9606         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
9607         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
9608         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
9609         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
9610         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
9611         __SIZEOF_PTRDIFF_T__.
9612         * doc/cpp.texi: Documentation for the new builtin macros added.
9613
9614 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
9615
9616         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
9617         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
9618         instead of operands[2] to avoid access past the end of array.
9619
9620 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
9621
9622         * reload1.c (emit_reload_insns): Pass the reload register
9623         for a non-spill output reload through forget_old_reloads_1.
9624
9625 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
9626
9627         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
9628         _SOFT_DOUBLE if doubles use software floating-point.
9629         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
9630         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
9631         * config/rs6000/darwin-ldouble.c: Also compile functions for
9632         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
9633         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
9634         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
9635         commented-out long double override.
9636         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
9637         * config/rs6000/eabispe.h: Likewise.
9638         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
9639         long double for non-SPE.
9640         (rs6000_handle_option): Likewise.
9641         (invalid_e500_subreg): Disallow more subregs involding DImode,
9642         DFmode, TImode or TFmode.
9643         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
9644         E500 double.
9645         (legitimate_lo_sum_address_p): Also check for TFmode for E500
9646         double.
9647         (rs6000_legitimize_address): Also handle TFmode for E500 double.
9648         (rs6000_legitimize_reload_address): Also handle TFmode for E500
9649         double.
9650         (rs6000_legitimate_address): Also check for TFmode for E500
9651         double.
9652         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
9653         (spe_build_register_parallel): Handle TFmode and TCmode.
9654         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
9655         double.
9656         (function_arg): Handle TFmode and TCmode for E500 double.
9657         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
9658         in general.
9659         (print_operand): Handle TFmode and TImode for %y.
9660         (rs6000_generate_compare): Handle TFmode comparisons for E500
9661         double.
9662         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
9663         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
9664         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
9665         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
9666         TFmode for E500 double.
9667         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
9668         (floatsidf2): Enable for E500 double.
9669         (movtf_softfloat): Use rs6000_nonimmediate_operand.
9670         (extenddftf2): Change to extenddftf2_fprs.
9671         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
9672         depending on TARGET_E500_DOUBLE.
9673         (extendsftf2): Enable for E500 double.
9674         (trunctfdf2): Enable for E500 double.
9675         (trunctfsf2): Change to trunctfsf2_fprs.
9676         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
9677         depending on TARGET_E500_DOUBLE.
9678         (floatsitf2): Enable for E500 double.
9679         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
9680         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
9681         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
9682         (negtf2): Change to negtf2_internal.
9683         (negtf2): New expander.
9684         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
9685         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
9686         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
9687         (movdi_internal32): Use rs6000_nonimmediate_operand.
9688         (unnamed splitter): Likewise.
9689         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
9690         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
9691         (SPE64TF, DITI): New mode macros.
9692         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
9693         modes.
9694         (frob_tf_ti): New.
9695         (frob_<mode>_di_2): New.
9696         (frob_tf_di_8_2): New.
9697         (frob_di_df): Change to frob_di_<mode>; allow more modes.
9698         (frob_ti_tf): New.
9699         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
9700         more modes.
9701         (frob_ti_<mode>_8_2): New.
9702         (frob_ti_tf_2): New.
9703         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
9704         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
9705         TFmode.
9706         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
9707         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
9708         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
9709         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
9710         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
9711         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
9712         tsttflt_gp): New.
9713
9714 2007-01-23  Ian Lance Taylor  <iant@google.com>
9715
9716         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
9717         insn-*.o first.
9718         (OBJS-archive): Reformat, alphabetize.
9719         (OBJS): Change out_object_file to OBJS-md.
9720
9721 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
9722
9723         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
9724         JUMP_P and CALL_P predicates where applicable.
9725         * config/i386/i386.c: Ditto.
9726         * config/i386/i386.md: Ditto.
9727         * config/i386/mmx.md: Ditto.
9728         * config/i386/predicates.md: Ditto.
9729
9730 2007-01-22  Andreas Schwab  <schwab@suse.de>
9731
9732         * config/m68k/m68k.h: Fix comment.
9733
9734 2007-01-22  Jan Hubicka  <jh@suse.cz>
9735
9736         * passes.c (init_optimization_passes): Do not rerun
9737         pass_early_warn_uninitialized.
9738
9739 2007-01-22  Richard Guenther  <rguenther@suse.de>
9740
9741         PR tree-optimization/30038
9742         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
9743         function.
9744         (execute_cse_sincos_1): Likewise.
9745         (execute_cse_sincos): Likewise.
9746         (gate_cse_sincos): Likewise.
9747         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
9748         the cexpi() canonicalization of sincos().
9749         * tree-pass.h (pass_cse_sincos): Declare.
9750         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
9751
9752 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
9753
9754         PR rtl-optimization/29329
9755         * combine.c (replaced_rhs_insn): Rename to i2mod.
9756         (replaced_rhs_value): Rename to i2mod_new_rhs.
9757         (i2mod_old_rhs): New global variable.
9758         (combine_instructions): Adjust for above change.  Save a copy of
9759         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
9760         note are substituted in the second instruction.
9761         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
9762         ditch the note if it pertains to the second eliminated register
9763         and this register is mentioned in i2mod_old_rhs.
9764
9765         Revert:
9766         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
9767
9768         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
9769         the insn to which the note was originally attached.
9770
9771 2007-01-21  Jan Hubicka  <jh@suse.cz>
9772
9773         * ipa-inline.c (inlining_mode): Comment, move up.
9774         (cgraph_decide_inlining_incrementally): Do not perform inlining
9775         itself; fix handling of flattening of self recursive functions.
9776         (cgraph_find_cycles): Remove.
9777         (cgraph_flatten_node): Remove.
9778         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
9779         (try_inline): New function.
9780         (cgraph_early_inlining): Update call of
9781         cgraph_decide_inlining_incrementally.  Apply inlining here.
9782         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
9783
9784 2007-01-21  Dirk Mueller  <dmueller@suse.de>
9785
9786         PR bootstrap/30511
9787         * tree-vrp.c (check_array_bounds): do not warn
9788         about ADDR_EXPR's of ARRAY_REF's which are immediately
9789         used in binary expressions.
9790
9791 2007-01-21  Ira Rosen  <irar@il.ibm.com>
9792
9793         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
9794         read_write_dep and macros for its access.
9795         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
9796         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
9797         argument, call vect_check_interleaving for every independent pair of
9798         data-refs. Mark loads that access the same memory location as a store
9799         in the loop.
9800         (vect_check_dependences): Remove.
9801         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
9802         call, fix the call to vect_analyze_data_ref_dependence.
9803         (vect_analyze_data_ref_access): For statements that access the same
9804         data-ref, check that they are not stores; for loads, check that there
9805         is no store that access the same location.
9806
9807 2007-01-20  Roger Sayle  <roger@eyesopen.com>
9808             Joseph Myers  <joseph@codesourcery.com>
9809
9810         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
9811         (-fdump-rtl-stack): Likewise.
9812         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
9813         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
9814         (-mpt-fixed): Use @minus{} for minus sign.
9815         (Using Precompiled Headers): Fix under/overfull hbox.
9816
9817 2007-01-20  Jan Hubicka  <jh@suse.cz>
9818
9819         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
9820         place within annotation.
9821
9822 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9823
9824         * pa.c (output_move_double): Change array size of xoperands to 4.
9825
9826 2007-01-20  Jan Hubicka  <jh@suse.cz>
9827
9828         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
9829         as temporary.
9830
9831 2007-01-19  Ian Lance Taylor  <iant@google.com>
9832
9833         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
9834         constant to unsigned HOST_WIDE_INT before negating.
9835
9836 2007-01-19  Ian Lance Taylor  <iant@google.com>
9837
9838         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
9839         to unsigned.
9840         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
9841         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
9842         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
9843         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
9844         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
9845         (realloc_vdef, realloc_vuse): Change second parameter to
9846         unsigned.
9847         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
9848         fields to unsigned.
9849         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
9850         unsigned. Change x and lim locals to unsigned.
9851         (realloc_vdef, realloc_vuse): Change num_elem parameter to
9852         unsigned.
9853         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
9854         (copy_virtual_operands): Change i and n locals to unsigned.
9855
9856 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9857
9858         PR middle-end/29335
9859         * builtins.c (fold_builtin_1): Handle builtin fdim.
9860
9861 2007-01-20  Jan Hubicka  <jh@suse.cz>
9862
9863         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
9864         * tree-ssa-structalias.c (compute_points_to_sets): Do call
9865         init_alias_heapvars.
9866         (init_alias_heapvars): Initialize only when not already initialized.
9867         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
9868
9869 2007-01-19  Roger Sayle  <roger@eyesopen.com>
9870
9871         * common.opt (fsigned-zeros): New command line option.
9872         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
9873         of flag_unsafe_math_optimizations.
9874         * opts.c (set_fast_math_flags): The -ffast-math command line option
9875         implies -fno-signed-zeros.
9876         (fast_math_flags_set_p): Likewise.
9877
9878         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
9879         the documentation of -ffast-math appropriately.  Wrap long lines.
9880
9881 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
9882
9883         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
9884         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
9885
9886 2007-01-19  Tomas Bily  <tbily@suse.cz>
9887
9888         * cgraphunit.c (cgraph_finalize_function): Updating of pid
9889         * tree-profile.c:
9890         (tree_init_ic_make_global_vars): New function
9891         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
9892         (tree_gen_ic_profiler): New function
9893         (tree_gen_ic_func_profiler): New function
9894         (tree_profiling): Added calling of tree_gen_ic_func_profiler
9895         (tree_profile_hooks): Added hook for indirec/virtual calls
9896         * value-prof.c (tree_find_values_to_profile): New case for
9897         indirect calls
9898         (tree_values_to_profile): Call for determining indirect/virtual
9899         counters
9900         (tree_indirect_call_to_profile): New function
9901         (tree_ic_transform): New function
9902         (tree_ic): New function
9903         (find_func_by_pid): New function
9904         (init_pid_map): New function
9905         (tree_value_profile_transformations): Added check for
9906         indirect/virtual call transformation
9907         * value-prof.h (enum hist_type): New counter type for
9908         indirect/virtual calls
9909         (profile_hooks): Added new hook for profiling indirect/virtual
9910         calls
9911         * profile.c (instrument_values): New case for indirect/virtual
9912         call added
9913         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
9914         (GCOV_COUNTER_V_INDIR): New counter type
9915         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
9916         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
9917         call added
9918         * cgraph.c: Definition of cgraph_max_pid
9919         (cgraph_create_node): Default init of pid attribute
9920         * cgraph.h: Declaration of cgraph_max_pid
9921         (struct cgraph_node): Added pid attribute
9922         * libgcov.c (__gcov_indirect_call_profiler): New function
9923         (__gcov_one_value_profiler_body): New function
9924         (__gcov_one_value_profiler): Body was moved to
9925         __gcov_one_value_profiler_body and calls it
9926
9927 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
9928
9929         * doc/gty.texi (Options): Document the mark_hook option to GTY.
9930         * gengtype.c (write_types_data, write_func_for_structure,
9931         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
9932         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
9933         (walk_type, write_func_for_structure): Generate the mark_hook if
9934         needed.
9935
9936 2007-01-19  Jan Hubicka  <jh@suse.cz>
9937
9938         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
9939         'early' argument take inlining mode argument specifying whether to
9940         inline for size/speeed or all functions; add support for flattening;
9941         improve dumpting.
9942         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
9943
9944 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9945
9946         PR c++/17947
9947         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
9948         the name of the declared identifier.
9949
9950 2007-01-19  Dirk Mueller  <dmueller@suse.de>
9951
9952         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
9953         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
9954         duplicate evaluation.
9955
9956 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
9957
9958         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
9959         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
9960         to XFMode, use acosxf2 and truncate result to requested mode.
9961         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
9962         (asin<mode>2): Similarly, with asin expanders.
9963         (*fscalexf4_i387): Rename from *fscalexf4.
9964         (expNcorexf3): New expander.
9965         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
9966         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
9967         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
9968         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
9969         patterns for SSE math.
9970         (exp10<mode>2): Similarly, with exp10 expanders.
9971         (exp2<mode>2): Similarly, with exp2 expanders.
9972         (expm1<mode>2): Similarly, with expm1 expanders.
9973         (ldexp<mode>3): Similarly, with ldexp expanders.
9974         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
9975         Use gen_truncxf<mode>2_i387_noop to truncate result.
9976
9977 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9978
9979         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
9980         for ColdFire targets.
9981
9982 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
9983             Richard Sandiford  <richard@codesourcery.com>
9984
9985         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
9986         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
9987         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
9988         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
9989         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
9990         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
9991
9992 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9993
9994         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
9995         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
9996         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
9997         (*adddi_dilshr32_cf): New pattern.
9998         (adddi3, subdi3): Remove first alternatives.
9999
10000 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10001
10002         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
10003         implemented using move.l, do not use its cc result for floating-point
10004         comparisons.
10005
10006 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10007
10008         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
10009         from accepting 's' constraints if flag_pic.
10010
10011 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10012
10013         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
10014         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
10015         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
10016         condition from TARGET_68881 to TARGET_HARD_FLOAT.
10017
10018 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
10019
10020         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
10021         ColdFire alternatives.
10022         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
10023         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
10024         architectures that support ff1 instruction.
10025
10026 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10027             Julian Brown  <julian@codesourcery.com>
10028
10029         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
10030         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
10031         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
10032         Add commentary.
10033
10034 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10035
10036         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
10037         and return a bool.
10038         (output_move_const_into_data_reg, output_move_simode_const): Delete.
10039         * config/m68k/m68k.c (const_method, const_int_cost): Take a
10040         HOST_WIDE_INT instead of an rtx.
10041         (m68k_rtx_costs): Update call accordingly.
10042         (output_move_const_into_data_reg): Likewise.  Fix formatting.
10043         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
10044         Return a bool.
10045         (output_move_simode_const): Update calls after above changes.
10046         Rework to use automatic variables and predicates like MEM_P.
10047         * config/m68k/m68k.md (pushexthisi_const): Update call to
10048         valid_mov3q_const.
10049
10050 2007-01-19  Dirk Mueller  <dmueller@suse.de>
10051
10052         * tree-ssa-alias.c (perform_var_substitution): Fix typo
10053         in dump_flags test.
10054
10055 2007-01-19  Richard Guenther  <rguenther@suse.de>
10056
10057         * builtins.c (expand_builtin_cexpi): Fall back to expanding
10058         via cexp in case sincos is not available.
10059
10060 2007-01-19  Richard Guenther  <rguenther@suse.de>
10061
10062         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
10063         * defaults.h (TARGET_HAS_SINCOS): Default to off.
10064         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
10065         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
10066         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
10067         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
10068         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
10069         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
10070
10071 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
10072
10073         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
10074         New insn patterns.
10075         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
10076         (atan2xf3): Directly generate RTL pattern.
10077         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
10078         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
10079         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10080         disable patterns for SSE math.
10081         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
10082         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
10083         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10084         disable patterns for SSE math.
10085
10086 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
10087
10088         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
10089
10090 2007-01-18  Roger Sayle  <roger@eyesopen.com>
10091
10092         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
10093         VIEW_CONVERT_EXPR to the same type as it's operand.
10094
10095 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
10096
10097         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
10098         configured for long double 128.
10099
10100 2007-01-18  Mike Stump  <mrs@apple.com>
10101
10102         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
10103         error.
10104
10105 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
10106
10107         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
10108         type correct.
10109
10110 2007-01-18  Jan Hubicka  <jh@suse.cz>
10111
10112         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
10113         greater than NUM_VOP_FREE_BUCKETS.
10114
10115 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
10116
10117         * tree-ssa-structalias.c: Update comments.
10118         (ptabitmap_obstack): Removed.
10119         (pta_obstack): New.
10120         (oldpta_obstack): Ditto.
10121         (stats): Add a few members.
10122         (struct variable_info): Remove node, complex, address_taken, and
10123         indirect_target members. Add oldsolution member.
10124         (new_var_info): Do not initialize removed members.
10125         (constraint_expr_type): Remove INCLUDES.
10126         (constraint_graph): Add size, implicit_preds, rep,
10127         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
10128         (FIRST_REF_NODE): New macro.
10129         (LAST_REF_NODE): Ditto.
10130         (FIRST_ADDR_NODE): Ditto.
10131         (find): New function.
10132         (unite): Ditto.
10133         (dump_constraint): Do not handle INCLUDES.
10134         (insert_into_complex): Do not insert duplicate constraints.
10135         (condense_varmap_nodes): Renamed and rewritten into ...
10136         (merge_node_constraints): This. Also fix bug in handling of
10137         offseted copy constraints.
10138         (clear_edges_for_node): No longer need to deal with preds at all,
10139         or removing associated preds/succs.
10140         (merge_graph_nodes): Deal with indirect_cycles.
10141         Don't deal with predecessors.
10142         (add_implicit_graph_edge): New function.
10143         (add_pred_graph_edge): Ditto.
10144         (add_graph_edge): Don't deal with predecessors.
10145         (build_constraint_graph): Removed.
10146         (build_pred_graph): New function.
10147         (build_succ_graph): Ditto.
10148         (struct scc_info): Removed in_component. Added roots, dfs, and
10149         node_mapping. Remove visited_index, unification_queue.
10150         (scc_visit): Deal with union-find we do now.
10151         Deal with cycles with REF nodes.
10152         (collapse_nodes): Renamed and rewritten to ...
10153         (unify_nodes): This.
10154         (process_unification_queue): Removed.
10155         (topo_visit): Cleanup
10156         (do_da_constraint): Use find.
10157         (do_sd_constraint): Ditto.
10158         (do_ds_constraint): Ditto.
10159         (do_complex_constraint): Ditto.
10160         (init_scc_info): Update for removed and added members.
10161         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
10162         (find_indirect_cycles): This.
10163         (equivalence_class): New variable.
10164         (label_visit): New function.
10165         (perform_variable_substitution): Rewritten.
10166         (free_var_substitution_info): New function.
10167         (find_equivalent_node): Ditto.
10168         (move_complex_constraints): Ditto.
10169         (eliminate_indirect_cycles): Ditto.
10170         (solve_graph): Only propagate changed bits.
10171         Use indirect cycle elimination.
10172         Use find.
10173         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
10174         (tree_id_eq): Renamed to ...
10175         (tree_vi_eq): This. Update for member change
10176         (insert_id_for_tree): Renamed and rewritten to ...
10177         (insert_vi_for_tree): This.
10178         (lookup_id_for_tree): Renamed and rewritten to ...
10179         (lookup_vi_for_tree): This.
10180         (get_id_for_tree): Renamed and rewritten to ...
10181         (get_vi_for_tree): Ditto.
10182         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
10183         (process_constraint): Don't handle INCLUDES.
10184         Remove special ADDRESSOF case.
10185         (find_func_aliases): Rewrite to use vi functions instead of id
10186         ones.
10187         (create_function_info_for): Ditto.
10188         (create_variable_info_for): Ditto.
10189         (intra_create_variable_infos): Ditto.
10190         (merge_smts_into): Ditto.
10191         (find_what_p_points_to): Ditto.
10192         (init_base_vars): Ditto.
10193         (init_alias_vars): Ditto.
10194         (remove_preds_and_fake_succs): New function.
10195         (dump_sa_points_to_info): Dump new stats.
10196         (dump_solution_for_var): Use find.
10197         (set_used_smts): Fix formatting.
10198         (compute_points_to_sets): Updated for new functions.
10199         (ipa_pta_execute): Ditto.
10200
10201 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10202             Richard Sandiford  <richard@codesourcery.com>
10203
10204         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
10205         parallels.
10206         * calls.c (expand_call): If the return value is a PARALLEL,
10207         extract its first member.
10208         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
10209         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
10210         use FUNCTION_EXTRA_EPILOGUE.
10211         (m68k_function_value): Return a PARALLEL if the return value
10212         is of a pointer type.
10213         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
10214         (FUNCTION_EXTRA_EPILOGUE): Remove.
10215         * config/m68k/m68k.md (D0_REG): New constant.
10216
10217 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10218
10219         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
10220         output a NOP for empty epilogues.
10221
10222 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10223
10224         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
10225         before function.  Extend register save check to include all
10226         registers, not just integer ones.
10227
10228 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10229
10230         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
10231         (m68k_use_return_insn): ...this.
10232         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
10233         * config/m68k/m68k.c (use_return_insn): Rename to...
10234         (m68k_use_return_insn): ...this.
10235         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
10236         of USE_RETURN_INSN.
10237
10238 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10239
10240         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
10241         nearest even, fix denormal rounding overflow.
10242
10243 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10244
10245         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
10246         f%$smove and f%$move.
10247         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
10248         (extendsfdf2_cf): Use fdmove instead of f%&move.
10249         (truncdfsf2_cf): Use fsmove instead of f%$smove.
10250         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
10251
10252 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10253
10254         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
10255         GPR<-GPR moves.
10256
10257 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10258
10259         * real.h (real_format): Add a canonical_nan_lsbs_set field.
10260         (coldfire_single_format): Declare.
10261         (coldfire_double_format): Likewise.
10262         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
10263         of qnan_msb_set to determine the lower bits of a canonical
10264         NaN significand.
10265         (encode_ieee_double): Likewise.
10266         (encode_ieee_quad): Likewise.
10267         (ieee_single_format): Initialize canonical_nan_lsbs_set.
10268         (mips_single_format): Likewise.
10269         (ieee_double_format): Likewise.
10270         (mips_double_format): Likewise.
10271         (ieee_extended_motorola_format): Likewise.
10272         (ieee_extended_intel_96_format): Likewise.
10273         (ieee_extended_intel_128_format): Likewise.
10274         (ieee_extended_intel_96_round_53_format): Likewise.
10275         (ibm_extended_format): Likewise.
10276         (mips_extended_format): Likewise.
10277         (ieee_quad_format): Likewise.
10278         (mips_quad_format): Likewise.
10279         (vax_f_format): Likewise.
10280         (vax_d_format): Likewise.
10281         (vax_g_format): Likewise.
10282         (i370_single_format): Likewise.
10283         (i370_double_format): Likewise.
10284         (decimal_single_format): Likewise.
10285         (decimal_double_format): Likewise.
10286         (decimal_quad_format): Likewise.
10287         (c4x_single_format): Likewise.
10288         (c4x_extended_format): Likewise.
10289         (real_internal_format): Likewise.
10290         (coldfire_single_format): New real_format.
10291         (coldfire_double_format): Likewise.
10292         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
10293         canonical_nan_lsbs_set.
10294         (pdp11_d_format): Likewise.
10295         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
10296         if TARGET_COLDFIRE_CPU.
10297
10298 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10299
10300         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
10301         (output_call, m68k_legitimize_call_address): Declare.
10302         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
10303         parenthesees.  Add support for a 'W' constraint.
10304         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
10305         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
10306         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
10307         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
10308         variables.
10309         (override_options): Initialize them.  Do not set flag_no_function_cse
10310         for TARGET_ID_SHARED_LIBRARY.
10311         (m68k_output_pic_call): Delete.
10312         (m68k_legitimize_call_address): New function.
10313         (print_operand): Remove the %o prefix.  Handle the %p prefix.
10314         (output_call): New function.
10315         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
10316         target address from the GOT if symbolic jumps are not allowed.
10317         * config/m68k/m68k.md (call, general_operand): Do not set
10318         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
10319         Merge separate flag_pic and !flag_pic define_insns into...
10320         (*call, *call_value): ...these new patterns.  Match the address
10321         rather than the containing MEM and require it to be a call_operand.
10322         Use output_call to generate the asm template.
10323         * config/m68k/predicates.md (const_call_operand): New predicate.
10324         (call_operand): Likewise.
10325
10326 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10327
10328         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
10329         (STACK_GROWS_DOWNWARD): Define to 1.
10330         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
10331         comments, emphasizing that these values are only defaults.
10332         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
10333         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
10334
10335 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10336
10337         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
10338
10339 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10340             Richard Sandiford  <richard@codesourcery.com>
10341
10342         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
10343         (FP_REGNO_P): New macros.
10344         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
10345         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
10346         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
10347         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
10348
10349 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10350
10351         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
10352         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
10353         to $tmake_file.
10354         * config/m68k/t-floatlib: New file, extracting common code from...
10355         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
10356         * config/m68k/t-uclinux: Here.
10357         * config/m68k/fpgnulib.c: Do not compile extendeed precision
10358         routines on ColdFire targets.
10359
10360 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10361
10362         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
10363         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
10364         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
10365         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
10366         explicitly set MOTOROLA to 1.
10367         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
10368
10369 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10370             Nathan Sidwell  <nathan@codesourcery.com>
10371
10372         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
10373         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
10374         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
10375         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
10376         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
10377         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
10378         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
10379         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
10380         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
10381         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
10382         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
10383         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
10384         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
10385         (DBX_REGISTER_NUMBER): Delete.
10386         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
10387         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
10388         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
10389
10390 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10391
10392         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
10393         * config/flat.h: New file.
10394         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
10395         OBJECT_FORMAT_FLAT.
10396         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
10397         indirect references for -msep-data or -mid-shared-library.
10398         Do not use PC-relative code addresses either.
10399         * config/m68k/m68k.c (override_options): Restrict -fPIC error
10400         to -mpcrel.
10401         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
10402         for shared libraries and crt1.o for executables.  Use crti.o and
10403         crtbegin.o.
10404         (ENDFILE_SPEC): Use crtend.o and crtn.o.
10405         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
10406         Do not add -elf2flt or -shared-lib-id options here.
10407         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
10408         Pass -shared-lib-id if -mid-shared-library, taking the library
10409         identifier from -mshared-library-id if given, otherwise
10410         defaulting to 0.
10411         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
10412         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
10413         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
10414         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
10415         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
10416         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
10417         and crtend.o.
10418         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
10419         jump sequence for ISA A and ISA A+.
10420         (PICJUMP): Likewise.
10421
10422 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10423
10424         * config.gcc (m68k-*-uclinux*): Base the port on the common
10425         and m68k GNU/Linux files rather than on the generic ELF ones.
10426         * config/m68k/uclinux.h (TARGET_VERSION): Override.
10427         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
10428
10429 2007-01-18  Julian Brown  <julian@codesourcery.com>
10430             Richard Sandiford  <richard@codesourcery.com>
10431
10432         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
10433         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
10434         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
10435         before redefining.
10436         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
10437         80 unconditionally.
10438         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
10439
10440 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10441
10442         * doc/install.texi: Document m68k-uclinuxoldabi.
10443         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
10444         * config/m68k/uclinux-oldabi.h: New file, copied from
10445         config/m68k/uclinux.h.
10446
10447 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
10448
10449         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
10450         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
10451         (m32r_compute_frame_size): Use unsigned for regno.
10452         (m32r_reload_lr): Use gen_frame_mem.
10453         (pop): New.
10454         (m32r_output_function_epilogue): Don't output the function epilogue
10455         textually here.
10456         (m32r_expand_epilogue): New.
10457         (direct_return): Return false if the function has the interrupt
10458         attribute.
10459         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
10460         * config/m32r/m32r.md (epilogue): New expander.
10461         (return_lr, return_rte): New insns.
10462         (return): Make it expander.
10463         (return_normal): New expander.
10464
10465 2007-01-18  Josh Conner  <jconner@apple.com>
10466
10467         PR target/30485
10468         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
10469         support for UNLE, UNLT, UNGE, and UNGT.
10470
10471 2007-01-18  Jan Hubicka  <jh@suse.cz>
10472
10473         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
10474         * tree-tailcall (add_virtual_phis): Likewise.
10475         (optimize_tail_call): Return TODOs.
10476         (execute_tail_calls): Return TODOs.
10477         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
10478         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
10479         changed.
10480         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
10481         Cleanup cfg using TODO.
10482         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
10483         * passes.c (execute_function_todo): When cleanup did something, remove
10484         unused locals.
10485         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
10486         (make_edges): Don't cleanup_cfg.
10487
10488 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
10489
10490         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
10491         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
10492         operate on the top of stack.
10493         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
10494         register handling of instructions that output to the second
10495         stack slot.
10496         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
10497         (move_for_stack_reg): Special-case check for dead destination
10498         stack slot for constant load of 1.0 inside UNSPEC_TAN.
10499
10500         * config/i386/i386.md (UNSPEC_TAN): New constant.
10501         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
10502         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
10503         to correctly model move of constant 1.0 to top stack slot.
10504         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
10505         (unnamed peephole2 pattern): Remove corresponding peephole2
10506         pattern that optimizes tan insn and loading of constant 1.0.
10507         (tanxf2): Use fptanxf4_i387.
10508         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
10509         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
10510         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10511         disable patterns for SSE math.
10512         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
10513         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
10514
10515 2007-01-18  Dirk Mueller  <dmueller@suse.de>
10516             Richard Guenther <rguenther@suse.de>
10517
10518         PR diagnostic/8268
10519         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
10520         * common.opt (Warray-bounds): Add new warning option.
10521         * c-opts.c (c_common_handle_option): Define -Warray-bounds
10522         if -Wall is given.
10523         * Makefile.in: make tree-vrp.o depend on toplev.h
10524         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
10525         is enabled.
10526         (check_array_refs, check_array_bounds, check_array_ref): New.
10527
10528 2007-01-18  Jan Hubicka  <jh@suse.cz>
10529
10530         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
10531         (execute_ssa_ccp): Return flags conditionally.
10532         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
10533         changed.
10534         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
10535
10536 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
10537
10538         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
10539         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
10540
10541         * Makefile.c (GTFILES): Add cfglayout.h.
10542         * gengtype.c (open_base_files): Likewise.
10543         * cfglayout.c (cfg_layout_function_footer,
10544         cfg_layout_function_header) Reindent to make gengtype happy.
10545         * cfglayout.h (cfg_layout_function_footer,
10546         cfg_layout_function_header): Add GTY(()) marker.
10547
10548         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
10549
10550 2007-01-18  Ben Elliston  <bje@au.ibm.com>
10551
10552         * genautomata.c (write_automata): Include xstrerror output in the
10553         error message if writing the DFA description file fails.
10554
10555 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
10556
10557         * config/mips/mips-protos.h (mips_output_external): Make it
10558         return void.
10559         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
10560         * config/mips/mips.c (irix_output_external_libcall): Likewise.
10561         (extern_list): Likewise.
10562         (extern_head): Likewise.
10563         (TARGET_ASM_FILE_END): Likewise.
10564         (mips_file_end): Likewise.
10565         (mips_output_external): Rewritten.
10566
10567 2007-01-18  Ben Elliston  <bje@au.ibm.com>
10568
10569         * genpreds.c (write_insn_preds_c): Only write out the function
10570         body for regclass_for_constraint if we have register constraints.
10571
10572 2007-01-17  Tom Tromey  <tromey@redhat.com>
10573
10574         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
10575         * doc/install.texi (Testing): Use sourceware.org.
10576         (Binaries): Likewise.
10577         (Specific): Likewise.
10578         * doc/contrib.texi (Contributors): Use sourceware.org.
10579
10580 2007-01-17  Anatoly Sokolov <aesok@post.ru>
10581
10582         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
10583         (AVR_ENHANCED): Rename to ...
10584         (AVR_HAVE_MUL): ... new.
10585         (avr_enhanced_p): Rename to ...
10586         (avr_have_mul_p): ... new.
10587         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
10588         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
10589         * config/avr/avr.c (avr_enhanced_p): Rename to ...
10590         (avr_have_mul_p): ... new.
10591         (base_arch_s): Rename 'enhanced' to 'have_mul'.
10592         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
10593         'avr_enhanced_p' and 'enhanced'.
10594         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
10595         AVR_HAVE_MUL instead of AVR_ENHANCED.
10596         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
10597         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
10598         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
10599         instead of AVR_ENHANCED.
10600         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
10601         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
10602         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
10603
10604 2007-01-17  Ian Lance Taylor  <iant@google.com>
10605
10606         * vec.h (VEC_reserve_exact): Define.
10607         (vec_gc_p_reserve_exact): Declare.
10608         (vec_gc_o_reserve_exact): Declare.
10609         (vec_heap_p_reserve_exact): Declare.
10610         (vec_heap_o_reserve_exact): Declare.
10611         (VEC_OP (T,A,reserve_exact)): New static inline function, three
10612         versions.
10613         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
10614         negative parameter.
10615         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
10616         (VEC_OP (T,A,copy)) [all versions]: Likewise.
10617         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
10618         * vec.c (calculate_allocation): Add exact parameter.  Change all
10619         callers.
10620         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
10621         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
10622         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
10623         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
10624         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
10625         (vec_heap_p_reserve_exact): New function.
10626         (vec_heap_o_reserve_exact): New function.
10627
10628 2007-01-17  Jan Hubicka  <jh@suse.cz>
10629
10630         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
10631
10632 2007-01-17  Eric Christopher  <echristo@apple.com>
10633
10634         * config.gcc: Support core2 processor.
10635
10636 2007-01-16  Jan Hubicka  <jh@suse.cz>
10637
10638         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
10639         the names, just unlink the chain so we don't crash on dangling pointers
10640         to dead SSA names.
10641
10642 2007-01-16  Jan Hubicka  <jh@suse.cz>
10643
10644         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
10645         * tree-pass.h: Reorder to make IPA passes appear toegher.
10646         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
10647         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
10648         parameters, do not call early inliner.
10649         * ipa-inline.c: Update comments.  Include tree-flow.h
10650         (cgraph_decide_inlining): Do not compute inlining parameters.
10651         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
10652         be called with function context set up.
10653         (pass_ipa_inline): Remove unreachable functions before pass.
10654         (cgraph_early_inlining): Simplify assuming to be called from the
10655         PM as local pass.
10656         (pass_early_inline): New pass.
10657         (cgraph_gate_ipa_early_inlining): New gate.
10658         (pass_ipa_early_inline): Turn into simple wrapper.
10659         (compute_inline_parameters): New function.
10660         (gate_inline_passes): New gate.
10661         (pass_inline_parameters): New pass.
10662         (apply_inline): Move here from tree-optimize.c
10663         (pass_apply_inline): New pass.
10664         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
10665         transforming.
10666         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
10667         doing them by hand.
10668         (tree_function_versioning): Do not allocate dummy struct function.
10669         * tree-inline.h (optimize_inline_calls): Update prototype.
10670         * tree-optimize.c (execute_fixup_cfg): Export.
10671         (pass_fixup_cfg): Remove
10672         (tree_rest_of_compilation): Do not apply inlines.
10673         * tree-flow.h (execute_fixup_cfg): Declare.
10674         * Makefile.in (gt-passes.c): New.
10675         * passes.c: Include gt-passes.h
10676         (init_optimization_passes): New passes.
10677         (nnodes, order): New static vars.
10678         (do_per_function_toporder): New function.
10679         (execute_one_pass): Dump current pass here.
10680         (execute_ipa_pass_list): Don't dump current pass here.
10681
10682 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
10683
10684         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
10685         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
10686
10687 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
10688
10689         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
10690         (strong_alias): Define.
10691         (__gcc_qmul): Provide non-FMA for soft-float.
10692         (__gcc_qdiv): Same.
10693         (__gcc_qneg): New.
10694         (__gcc_qeq): New.
10695         (__gcc_qle): New.
10696         (__gcc_qge): New.
10697         (__gcc_qunord): New.
10698         (__gcc_stoq): New.
10699         (__gcc_dtoq): New.
10700         (__gcc_qtos): New.
10701         (__gcc_qtod): New.
10702         (__gcc_qtoi): New.
10703         (__gcc_qtou): New.
10704         (__gcc_itoq): New.
10705         (__gcc_utoq): New.
10706         (fmsub): New.
10707         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
10708         soft-float functions.
10709         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
10710         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
10711         about long double soft float.
10712
10713 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
10714             Tehila Meyzels  <tehila@il.ibm.com>
10715
10716         * tree-vectorizer.h (is_pattern_stmt_p): New.
10717         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
10718         formatting (tabs instead of spaces). Cleanup and clarify setting
10719         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
10720         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
10721         (vectorizable_type_demotion): Check that types are integral.
10722         (vectorizable_type_promotion): Likewise.
10723         (vectorizable_store): Fix typo.  Eliminate new-line at end of
10724         comments.
10725
10726 2007-01-16  Jan Hubicka  <jh@suse.cz>
10727
10728         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
10729         cgraph edges too.
10730
10731 2007-01-15  Eric Christopher  <echristo@apple.com>
10732
10733         * ifcvt.c: Include vec.h, vecprim.h.
10734         (check_cond_move_block): New argument regs.
10735         Reorganize. Add registers used to regs.
10736         (cond_move_process_if_block): Use regs set above as
10737         loop bounds.
10738
10739 2007-01-15  Eric Christopher  <echristo@apple.com>
10740
10741         * config/darwin.h: Update copyright.
10742         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
10743         (LINK_COMMAND_SPEC): Add -u.
10744         (LINK_SPEC): Fix umbrella for above.
10745
10746 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
10747
10748         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
10749         glibc CVS.
10750
10751 2007-01-15  Tom Tromey  <tromey@redhat.com>
10752
10753         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
10754         * doc/install.texi (Testing): Don't mention jacks.
10755         (Configuration): Document --enable-java-maintainer-mode.  Move
10756         --with-java-home to libgcj-specific section.  Document
10757         --with-ecj-jar.
10758         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
10759
10760 2007-01-15  Jan Hubicka  <jh@suse.cz>
10761
10762         * tree-ssa-dce.c (DCE_TODOs): New.
10763         (propagate_necessity): Return if something changed.
10764         (eliminate_unnecessary_stmts): Likewise.
10765         (perform_tree_ssa_dce): Return TODO flags when needed.
10766         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
10767
10768 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
10769
10770         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
10771         (fyl2x_extend<mode>xf3_i387): New insn pattern.
10772         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
10773         patterns using X87MODEF12 mode macro.  Extend operand 1
10774         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
10775         (log10<mode>2): Ditto.
10776         (log2<mode>2): Ditto.
10777         (log1p<mode>2): Ditto.
10778         (logb<mode>2): Ditto.
10779         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
10780         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
10781         (*fxtractxf3_i387): Rename from *fxtractxf3.
10782         (fxtract_extend<mode>xf3_i387): New insn pattern.
10783         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
10784         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
10785         and gen_fyl2xxf3_i387().
10786
10787 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
10788
10789         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
10790         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
10791         get_loop_exit_edges.  Changed return type to bool.
10792         * cfgloop.h (fix_loop_placement): Declaration removed.
10793
10794 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
10795
10796         * param.h (MIN_VECT_LOOP_BOUND): New.
10797         * params.def (MIN_VECT_LOOP_BOUND): New.
10798         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
10799         argument - minimum threshold for number of iterations.
10800         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
10801         argument to declaration.
10802         * tree-vect-analyze.c (vect_analyze_operations): Check value of
10803         MIN_VECT_LOOP_BOUND.
10804         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
10805         slpeel_tree_peel_loop_to_edge with additional argument.
10806         (vect_do_peeling_for_alignment): Likewise.
10807         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
10808
10809 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
10810
10811         PR target/30413
10812         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
10813         operands of size 1.
10814
10815 2007-01-14  Jan Hubicka  <jh@suse.cz>
10816
10817         * tree-dfa.c (remove_referenced_var): New function.
10818         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
10819         prune referenced vars list too.
10820         * tree-flow.h (remove_referenced_var): Declare.
10821
10822 2007-01-14  Jan Hubicka  <jh@suse.cz>
10823
10824         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
10825         separately.
10826         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
10827         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
10828         * except.h (verify_eh_throw_table_statements): Kill prototype.
10829         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
10830         into call exrepssions.
10831         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
10832         eh trhow verifier.
10833         * tree-cfg.c: Include pointer-set.h.
10834         (verify_node_sharing): Work on pointer set.
10835         (verify_eh_throw_stmt_node): New.
10836         (verify_stmts): Use pointers sets, verify throw_stmt.
10837
10838 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
10839
10840         * ipa-reference.c (analyze_function): Consider also addresses taken
10841         in phi nodes.
10842
10843 2007-01-12  Roger Sayle  <roger@eyesopen.com>
10844
10845         * c-typeck.c (null_pointer_constant_p): Replace use of
10846         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
10847         (build_c_cast): Likewise.
10848
10849 2007-01-12  Roger Sayle  <roger@eyesopen.com>
10850
10851         * tree.h (force_fit_type_double): Remove unused final argument.
10852         * c-common.c (constant_expression_warning): Replace use of
10853         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
10854         (convert_and_check): Likewise.
10855         (shorten_compare): Update call to force_fit_type_double.
10856         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
10857         * convert.c (convert_to_pointer): Update call to
10858         force_fit_type_double.
10859         * fold-const.c (force_fit_type_double): Remove overflowed_const
10860         argument.
10861         (int_const_binop, fold_convert_const_int_from_int,
10862         fold_convert_const_int_from_real, fold_div_compare,
10863         fold_sign_changed_comparison, fold_unary, fold_negate_const,
10864         fold_abs_const, fold_not_const): Remove the final argument from
10865         calls to force_fit_type_double.
10866
10867 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10868
10869         * configure.ac: Set insn to "nop" for spu-*-* also.
10870         * configure: Regenerate.
10871
10872 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
10873
10874         * builtins.def : Add BUILT_IN_FREE.
10875
10876 2007-01-12  Jan Hubicka  <jh@suse.cz>
10877
10878         PR tree-optimization/30443
10879         * tree-inline.c (tree_function_versioning): Do not optimize when
10880         cloning for inlining.
10881
10882 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
10883
10884         * doc/loop.texi: Document recording of loop exits.
10885         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
10886         (update_single_exits_after_duplication,
10887         update_single_exit_for_duplicated_loop,
10888         update_single_exit_for_duplicated_loops): Removed.
10889         (duplicate_loop_to_header_edge): Do not call
10890         update_single_exits_after_duplication and
10891         update_single_exit_for_duplicated_loops.
10892         (loop_version): Do not update single_exit information.
10893         (fix_loop_structure): Use record_loop_exits instead of
10894         mark_single_exit_loops.
10895         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
10896         the lists of loop exits.
10897         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
10898         split_edge, merge_blocks): Update the lists of loop exits.
10899         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
10900         loop_optimizer_init.
10901         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
10902         of mark_single_exit_loops.
10903         (loop_optimizer_finalize): Call release_recorded_exits.
10904         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
10905         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
10906         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
10907         update single exit information.
10908         * lambda-code.c (perfect_nestify): Ditto.
10909         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
10910         (mark_single_exit_loops): Removed.
10911         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
10912         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
10913         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
10914         functions.
10915         (get_loop_exit_edges, single_exit): Use recorded exit lists.
10916         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
10917         (verify_loop_structure): Verify consistency of the exit lists.
10918         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
10919         (set_single_exit): Removed.
10920         * cfgloop.h (struct loop_exit): New function.
10921         (struct loop): single_exit_ field replaced by exits field.
10922         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
10923         (struct loops): Added exits hash.
10924         (mark_single_exit_loops, set_single_exit): Declaration removed.
10925         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
10926
10927 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10928
10929         * doc/invoke.texi: Avoid use of @headitem.
10930
10931 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10932
10933         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
10934
10935 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10936
10937         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
10938         list of targets.
10939
10940 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
10941             Richard Sandiford  <richard@codesourcery.com>
10942
10943         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
10944         * config/m68k/m68k.opt: Resort options.
10945         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
10946
10947 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
10948             Richard Sandiford  <richard@codesourcery.com>
10949
10950         * doc/invoke.texi: Document the macros that are defined by
10951         m68k's -mtune and -mhard-float options.
10952         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
10953         (m68k_cpp_cpu_family): Likewise.
10954         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
10955         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
10956         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
10957         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
10958         (m68k_cpp_cpu_family): Likewise.
10959
10960 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10961
10962         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
10963         macros besides mc68000 as tuning macros.  Use a switch statement
10964         to set them and mcpu32.
10965
10966 2007-01-12  Julian Brown  <julian@codesourcery.com>
10967
10968         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
10969         (TARGET_68040_ONLY): Rename to...
10970         (TARGET_68040): ...this.
10971         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
10972         * config/m68k/m68k.md: Likewise.
10973
10974 2007-01-12  Julian Brown  <julian@codesourcery.com>
10975             Nathan Sidwell  <nathan@codesourcery.com>
10976             Richard Sandiford  <richard@codesourcery.com>
10977
10978         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
10979         the -mcpu= argument associated with the --with-cpu setting.
10980         Define M68K_DEFAULT_TUNE to the default -mtune= option,
10981         if different from the one implied by the -mcpu setting.
10982         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
10983         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
10984         * doc/invoke.texi: Mention ColdFire in the introduction to the
10985         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
10986         -mno-div and -mhard-float options.  Make -m68881 a synonym for
10987         -mhard-float.  Document the previously-undocumented -m5206e,
10988         -m528x, -m5307 and -m5407 options.  Tweak the existing option
10989         documentation for consistency.
10990         * doc/install.texi: Mention new --with-cpu arguments.
10991         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
10992         default CPU if neither -mcpu nor -march are specified.
10993         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
10994         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
10995         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
10996         using m68k_tune to decide between families that implement the
10997         same ISA.  Use m68k_tune to set __mcfv4e__.
10998         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
10999         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
11000         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
11001         (FL_ISA_C, FL_ISA_MMU): New macros.
11002         (MASK_COLDFIRE): Delete.
11003         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
11004         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
11005         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
11006         (TARGET_HARD_FLOAT): Do not define here.
11007         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
11008         (TUNE_68000): New macro.
11009         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
11010         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
11011         (TUNE_CFV2): Redefine in terms of m68k_tune.
11012         (uarch_type, target_device, fpu_type): New enums.
11013         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
11014         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
11015         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
11016         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
11017         (FL_FOR_isa_c): New macros.
11018         (m68k_isa): New enum.
11019         (m68k_target_selection): New structure.
11020         (all_devices, all_isas, all_microarchs): New tables.
11021         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
11022         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
11023         (MASK_ALL_CPU_BITS): Delete.
11024         (m68k_find_selection): New function.
11025         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
11026         Map the legacy target options to a combination of the new ones.
11027         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
11028         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
11029         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
11030         settings.
11031         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
11032         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
11033         properties.
11034         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
11035         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
11036         * config/m68k/m68k-devices.def: New file.
11037
11038 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11039             Nathan Sidwell  <nathan@codesourcery.com>
11040
11041         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
11042         (SUBTARGET_EXTRA_SPECS): New macros.
11043         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
11044         use %(asm_cpu_spec) instead.
11045         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
11046         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
11047         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
11048         (EXTRA_SPECS): Rename to...
11049         (SUBTARGET_EXTRA_SPECS): ...this.
11050
11051 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11052             Richard Sandiford  <richard@codesourcery.com>
11053             Julian Brown  <julian@codesourcery.com>
11054
11055         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
11056         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
11057         to the configuration's default CPU.
11058         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
11059         Remove default masks.
11060         (m680[012]0-*-*): Set the default with_cpu to the first part of
11061         the target name.
11062         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
11063         (m68k*-*-linux): Extend the --with-cpu handling to...
11064         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
11065         and m68010.  Don't set target_cpu_default2.
11066         * doc/install.texi: Document --with-cpu for m68k.
11067         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
11068         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
11069         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
11070         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
11071         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
11072         (ASM_SPEC): Remove use of %(asm_cpu_default).
11073         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
11074         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
11075         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
11076         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
11077         __HAVE_FPU__ if TARGET_HARD_FLOAT.
11078         (TARGET_DEFAULT): Delete.
11079         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
11080         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
11081         (CPP_CPU_SPEC): Delete.
11082         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
11083         the appropriate string.
11084         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
11085         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
11086         (ASM_SPEC): Don't use %(asm_default_spec).
11087         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
11088         TARGET_DEFAULT and add MASK_68881.
11089         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
11090
11091 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11092
11093         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
11094         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
11095         MASK_68010 alongside MASK_68020.
11096         * doc/invoke.texi: Document -m68010.
11097         * config/m68k/m68k.opt (m68010): New.
11098         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
11099         if TUNE_68010.
11100         (TUNE_68010): New macro.
11101         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
11102         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
11103         (M68K_CPU_m68332): Add MASK_68010.
11104         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
11105         fallback definition.
11106         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
11107         defines.
11108         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
11109         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
11110         to all entries that use MASK_68020.
11111         (output_move_simode_const, output_move_himode, output_move_qimode)
11112         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
11113         instead of TARGET_68020 to select clr behavior.  Remove comment
11114         about there being no TARGET_68010.
11115         * config/m68k/m68k.md: Likewise throughout.
11116
11117 2007-01-12  Julian Brown  <julian@codesourcery.com>
11118
11119         * config/m68k/m68k.h (TARGET_ISAB): New macro.
11120         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
11121         * config/m68k/m68k.md: Likewise.
11122
11123 2007-01-12  Julian Brown  <julian@codesourcery.com>
11124
11125         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
11126         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
11127
11128 2007-01-12  Julian Brown  <julian@codesourcery.com>
11129
11130         * config/m68k/m68k.h (TUNE_68040_60): New macro.
11131         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
11132         * config/m68k/m68k.md: Likewise.
11133
11134 2007-01-12  Julian Brown  <julian@codesourcery.com>
11135             Richard Sandiford  <richard@codesourcery.com>
11136
11137         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
11138         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
11139         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
11140         TARGET_CPU32.
11141         (TARGET_CPU32): Rename to...
11142         (TUNE_CPU32): ...this.
11143         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
11144         (TUNE_CFV2): New macros.
11145         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
11146         remove conditions that are implied by TARGET_68020.
11147         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
11148         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
11149         (m68k_output_function_epilogue): Likewise.
11150         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
11151         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
11152         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
11153         non-68000 timings.  Refactor multiplication and division costs.
11154         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
11155         TUNE_CPU32 instead of TARGET_CPU32.
11156         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
11157         and TUNE_68060 instead of TARGET_68060.
11158         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
11159         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
11160         TARGET_CPU32.
11161         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
11162         && !TARGET_COLDFIRE" to choose between moveq and clr.
11163         Likewise in the unnamed movsf pattern.
11164         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
11165         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
11166         ashiftrt pattern.
11167
11168 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11169
11170         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
11171         of tabbing before backslashes.
11172
11173 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11174
11175         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
11176         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
11177         (ASM_OUTPUT_INTERNAL_LABEL): Define.
11178
11179 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
11180
11181         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
11182         find_interesting_uses_cond.
11183         (find_interesting_uses_cond): Use extract_cond_operands.
11184         (rewrite_use_compare): Use extract_cond_operands and
11185         force_gimple_operand_bsi.  Do not call update_stmt.
11186         (determine_use_iv_cost_condition): Use extract_cond_operands.
11187         Return cheaper of using original bound and changing the exit bound.
11188
11189 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
11190
11191         PR tree-optimization/29516
11192         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
11193         most_expensive_mult_to_index, addr_to_parts,
11194         create_mem_ref, maybe_fold_tmr): Make the type of
11195         fields of TARGET_MEM_REF sizetype.
11196         (move_fixed_address_to_symbol, move_pointer_to_base):
11197         New functions.
11198         * tree.def (TARGET_MEM_REF): Add comment on types of
11199         the operands.
11200
11201 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
11202
11203         * c-common.c (vector_types_convertible_p): Treat opaque types as
11204         always convertible if they have the same size, but not otherwise.
11205
11206 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
11207
11208         * ifcvt.c (struct noce_if_info): Add comments to the fields.
11209         Remove the b_unconditional field.
11210         (noce_try_sign_mask): Do not look at b_unconditional.
11211         (noce_process_if_block): Do not use merge_if_blocks.  Update
11212         the CFG here.  Do not set b_unconditional.
11213         (cond_move_process_if_block): Likewise.
11214         (find_cond_trap): Likewise.
11215         (check_cond_move_block): Require simple jump insns at the end
11216         of the basic block.
11217
11218 2007-01-11  Jan Hubicka  <jh@suse.cz>
11219
11220         PR tree-optimization/1046
11221         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
11222         when alias info is not ready.
11223         (pass_tail_recursion): Do not require aliasing.
11224         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
11225         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
11226         * tree-ssa-copy.c (pass_copy_prop): Likewise.
11227         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
11228         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
11229         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
11230         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
11231         before inlining.
11232         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
11233         When aliasing is not build, mark statement as volatile.
11234
11235 2007-01-11  Tom Tromey  <tromey@redhat.com>
11236
11237         PR preprocessor/15185, PR preprocessor/20989:
11238         * doc/cppopts.texi <-MT>: Update description of algorithm for
11239         computing default target.
11240         <-M, -MD>: Reword "basename" text.
11241
11242 2007-01-11  Roger Sayle  <roger@eyesopen.com>
11243
11244         * builtins.c (expand_builtin_pow, expand_builtin_powi,
11245         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
11246         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
11247         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
11248         fold_builtin_bswap, real_constp, fold_builtin_pow,
11249         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
11250         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
11251         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11252         * convert.c (convert_to_pointer): Likewise.
11253         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
11254         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
11255         const_binop, fold_convert_const_int_from_int,
11256         fold_convert_const_int_from_real,
11257         fold_convert_const_real_from_real, sign_bit_p,
11258         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
11259         fold_sign_changed_comparison, fold_unary, fold_comparison,
11260         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
11261         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
11262         * print-tree.c (print_node_brief, print_node): Likewise.
11263         * stor-layout.c (place_field, layout_type): Likewise.
11264         * tree-chrec.c (keep_cast): Likewise.
11265         * tree.c (build_vector, build_real, build_real_from_int_cst,
11266         build_complex): Likewise.
11267
11268 2007-01-11  Roger Sayle  <roger@eyesopen.com>
11269
11270         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
11271         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
11272
11273 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
11274
11275         * configure.ac (strict1_warn): Rename to strict_warn.
11276         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
11277         cc_set_by_configure, quoted_cc_set_by_configure,
11278         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
11279         all_boot_languages, all_stagestuff): Remove.
11280         (target_list): Remove bootstrap targets.
11281         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
11282         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
11283         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
11284         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
11285         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
11286         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
11287         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
11288         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
11289         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
11290         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
11291         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
11292         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
11293         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
11294         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
11295         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
11296         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
11297         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
11298         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
11299         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
11300         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
11301         (mostlyclean): Adjust.
11302         (clean, distclean): Don't mention bootstrap stuff.
11303         * configure: Regenerate.
11304         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
11305         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
11306         treelang/config-lang.in (stagestuff): Remove.
11307         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
11308         stageprofile, stagefeedback, stagestuff): Remove mention.
11309
11310 2007-01-11  Nick Clifton  <nickc@redhat.com>
11311
11312         * config/mcore/predicates.md (mcore_general_movesrc_operand):
11313         Accept CONSTs.
11314         (mcore_general_movdst_operand): Do not accept CONST_INTs.
11315         (mcore_arith_K_S_operand): Run the test for the S constraint not
11316         the test for the M constraint.
11317         (mcore_addsub_operand): Do not accept integer values that are
11318         larger than 32 bits.
11319         * config/mcore/mcore.md: Remove unused constraints from split.
11320         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
11321         (addsi3): Likewise.
11322         (allocate_stack): Likewise.
11323         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
11324         operands to 32 bits.
11325         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
11326         INTVAL.
11327         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
11328         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
11329         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
11330         mcore_output_bclri, mcore_output_andn, output_inline_const,
11331         mcore_output_move, mcore_output_movedouble): Likewise.
11332         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
11333         (output_inline_const): Likewise.
11334         (output_inline_const): Fix format strings used in sprintf
11335         statements.
11336         * config/mcore/mcore-protos.h: Update prototypes for changed
11337         functions in mcore.c.
11338         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
11339         HOST_WIDE_INT and not int.
11340         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
11341         CONST_OK_FOR_N): Likewise.
11342         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
11343         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
11344         an INTVAL.
11345
11346 2007-01-10  Jan Hubicka  <jh@suse.cz>
11347
11348         * tree-vrp.c (remove_range_assertions): Release defs.
11349         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
11350         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
11351
11352 2007-01-10  Paul Brook  <paul@codesourcery.com>
11353
11354         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
11355         * config/arm/arm.md (mulsi3subsi): New insn.
11356
11357 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
11358
11359         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
11360         (tree_transform_and_unroll_loop): New.
11361         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
11362         Declare.
11363
11364 2007-01-10  Robert Kennedy <jimbob@google.com>
11365
11366         * fold-const.c (fold_comparison): Fold comparisons like (x *
11367         1000 < 0) to (x < 0).
11368
11369 2007-01-10  Ian Lance Taylor  <iant@google.com>
11370
11371         * tree-pretty-print.c (dump_generic_node): Print parentheses when
11372         operands have the same priority.
11373
11374 2007-01-10  Tom Tromey  <tromey@redhat.com>
11375
11376         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
11377         (fold_binary): Likewise.
11378         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
11379         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
11380         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
11381         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
11382         * langhooks.h (struct lang_hooks): Removed field
11383         'can_use_bit_fields_p'.
11384
11385 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
11386
11387         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
11388
11389 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
11390
11391         * function.c (get_last_funcdef_no): New function.
11392         * function.h (get_last_funcdef_no): Declare.
11393         * tree-inline.c (initialize_cfun): Add initialization.
11394         (tree_function_versioning): Cleanup.
11395
11396 2007-01-10  Jan Hubicka  <jh@suse.cz>
11397
11398         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
11399         PHIs.
11400
11401 2007-01-10  Sa Liu  <saliu@de.ibm.com>
11402             Ben Elliston  <bje@au.ibm.com>
11403
11404         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
11405         for SAVE_NONLOCAL and Pmode for any other save level.
11406         * spu-protos.h (spu_restore_stack_block): Declare.
11407         * spu.md (save_stack_block): Remove.
11408         (restore_stack_block): Call spu_restore_stack_block.
11409         * spu.c (spu_restore_stack_block): New function.
11410         (spu_expand_epilogue): Remove old comment.
11411
11412 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
11413
11414         PR tree-optimization/30322
11415         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
11416         (cand_value_at): Return the value as aff_tree.
11417         (may_eliminate_iv): Convert the bound from aff_tree to tree.
11418         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
11419         aff_combination_mult): New functions.
11420         (aff_combination_add): Use aff_combination_add_cst.
11421         (aff_combination_convert): Allow conversions to a wider type.
11422         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
11423         * tree-affine.h (aff_combination_mult): Declare.
11424
11425 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
11426
11427         * doc/tm.texi: Update documentation to reflect reality of exec
11428         and start file search behaviours. Update copyright year.
11429         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
11430         header file directories.
11431
11432 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
11433
11434         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
11435         (*cosxf2): Rename to cosxf2_i387.
11436         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
11437         using X87MODEF12 mode macro. Rename patterns to
11438         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
11439         for SSE math.
11440         (*cosdf2, *cossf2): Ditto.
11441         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
11442         to match extended input operands.
11443         (sincos<mode>3): New expander.
11444         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
11445         insn patterns and corresponding splitters.
11446
11447 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
11448
11449         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
11450         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
11451
11452 2007-01-09  Nicolas Pitre  <nico@cam.org>
11453
11454         PR target/30173
11455         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
11456
11457 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
11458
11459         * target.h (struct gcc_target): New field library_rtti_comdat.
11460         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
11461         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
11462         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
11463         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
11464
11465 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
11466
11467         * doc/invoke.texi (Optimize Options): Correct description of -O0.
11468
11469 2007-01-08  Richard Guenther  <rguenther@suse.de>
11470
11471         * tree.h (force_fit_type_double): Export.
11472         (force_fit_type): Remove.
11473         * fold-const.c (force_fit_type_double): New function.
11474         (force_fit_type): Remove.
11475         (int_const_binop): Use it.
11476         (fold_convert_const_int_from_int): Likewise.
11477         (fold_convert_const_int_from_real): Likewise.
11478         (fold_div_compare): Likewise.
11479         (fold_sign_changed_comparison): Likewise.
11480         (fold_unary): Likewise.
11481         (fold_negate_const): Likewise.
11482         (fold_abs_const): Likewise.
11483         (fold_not_const): Likewise.
11484         * c-common.c (shorten_compare): Use force_fit_type_double.
11485         * convert.c (convert_to_pointer): Likewise.
11486
11487 2007-01-08  Richard Guenther  <rguenther@suse.de>
11488
11489         * tree.h (build_int_cst_wide_type): Export.
11490         * tree.c (build_int_cst_wide_type): New function.
11491         (build_int_cst_wide): Fix comment.
11492         * builtins.c (fold_builtin_object_size): Use build_int_cst
11493         to build -1 or 0 of the correct type.  Use fit_double_type
11494         to check for overflow.
11495         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
11496         to build the mask.
11497         (decode_field_reference): Likewise.
11498         (all_ones_mask_p): Likewise.
11499         (native_interpret_int): Use build_int_cst_wide_type.
11500         (fold_binary): Use build_int_cst_type to build an all-ones
11501         value.
11502         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
11503
11504 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
11505
11506         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
11507
11508 2007-01-09  Ben Elliston  <bje@au.ibm.com>
11509
11510         * genautomata.c (STATS_OPTION): New option.
11511         (stats_flag): New flag.
11512         (gen_automata_option): Handle it.
11513         (initiate_automaton_gen): Ditto.
11514         (write_automata): Output statistics only if stats_flag is
11515         set. Likewise, output time statistics only if time_flag is set.
11516         * doc/md.texi (Processor pipeline description): Document new flag.
11517
11518 2007-01-08  Richard Guenther  <rguenther@suse.de>
11519
11520         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
11521         * tree.c (build_int_cst_type): Likewise.
11522         (size_in_bytes): Don't call force_fit_type on the result.
11523         (int_fits_type_p): Use fit_double_type.
11524         * fold-const.c (fit_double_type): New function.
11525         (force_fit_type): Use it.
11526         * tree.h (fit_double_type): Export.
11527
11528 2007-01-08  Jan Hubicka  <jh@suse.cz>
11529
11530         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
11531         * ipa.c (function_and_variable_visibility): Fix return type.
11532
11533 2007-01-08  Richard Guenther  <rguenther@suse.de>
11534
11535         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
11536         of offset to build the index.
11537         * tree-pretty-print.c (dump_generic_node): Don't build negated
11538         const just for printing.
11539         * c-pretty-print.c (pp_c_integer_constant): Likewise.
11540         * builtins.c (fold_builtin_int_roundingfn): Check if result
11541         fits the type by using force_fit_type and comparing the result.
11542         * predict.c (predict_loops): Use compare_tree_int for comparison.
11543         * tree.c (build_int_cst): Fall back to integer_type_node for
11544         NULL_TREE type.
11545         (build_int_cst_wide): Assert type is non-null.
11546
11547 2007-01-08  Roberto Costa  <roberto.costa@st.com>
11548
11549         * tree-vrp.c (extract_range_from_cond_expr): New.
11550         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
11551         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
11552         as expressions.
11553         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
11554         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
11555         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
11556         used as expressions.
11557         * tree-object-size.c (cond_expr_object_size): New.
11558         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
11559
11560 2007-01-08  Jan Hubicka  <jh@suse.cz>
11561
11562         * tree-ssa-forwprop.c (forward_propagate_into_cond,
11563         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
11564         statement.
11565
11566 2007-01-08  Richard Guenther  <rguenther@suse.de>
11567
11568         PR tree-optimization/23603
11569         * tree-vrp.c (set_value_range_to_truthvalue): New function.
11570         (extract_range_from_binary): Fall back to truthvalue instead of
11571         varying for TRUTH_*_EXPR.
11572         (extract_range_from_comparison): Fall back to truthvalue instead of
11573         varying.
11574         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
11575         if all visited PHI values were constant.
11576
11577 2007-01-08  Jan Hubicka  <jh@suse.cz>
11578
11579         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
11580         (cgraph_analyze_function): break out from ...
11581         (cgraph_finalize_compilation_unit): ... here.
11582         (cgraph_expand_function): Remove forgoten commented out line.
11583         (cgraph_optimize): Analyze functions.
11584
11585 2007-01-08  Jan Hubicka  <jh@suse.cz>
11586
11587         * tree-pas.h (TODO_remove_function): New flag.
11588         (TODO_update*): Renumber.
11589         (pass_ipa_increase_alignment,
11590         pass_ipa_function_and_variable_visibility): New passes.
11591         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
11592         (cgraph_function_and_variable_visibility): Move to ipa.c
11593         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
11594         cgraph_increase_alignment.
11595         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
11596         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
11597         calling tree-inline.
11598         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
11599         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
11600         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
11601         (gate_increase_alignment): New function.
11602         (pass_ipa_increase_alignment): New pass.
11603         * ipa.c: Inline tree-pass.h and timevar.h
11604         (function_and_variable_visibility): Move here from cgraphunit.c
11605         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
11606         * passes.c (init_optimization_passes): Add the two new passes.
11607         (execute_todo): Handle cgraph_remove_functions.
11608
11609 2007-01-08  Nick Clifton  <nickc@redhat.com>
11610
11611         * config/frv/predicates.md (reg_or_0_operand): Accept
11612         CONST_DOUBLEs.
11613
11614 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
11615
11616         * config/bfin/rtems.h, config/bfin/t-rtems: New.
11617         * config.gcc: Add bfin*-rtems*.
11618
11619 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
11620
11621         * c.opt: Add -flax-vector-conversions.
11622         * c-typeck.c (convert_for_assignment): Pass flag to
11623         vector_types_convertible_p to allow emission of note.
11624         (digest_init): Likewise.
11625         * c-opts.c: Handle -flax-vector-conversions.
11626         * c-common.c (flag_lax_vector_conversions): New.
11627         (vector_types_convertible_p): Unless -flax-vector conversions
11628         has been passed, disallow conversions between vectors with
11629         differing numbers of subparts and/or element types.  If such
11630         a conversion is disallowed, possibly emit a note on the first
11631         occasion only to inform the user of -flax-vector-conversions.
11632         The new last argument specifies this.
11633         * c-common.h (flag_lax_vector_conversions): New.
11634         (vector_types_convertible_p): Add extra argument.
11635         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
11636         char_type_node for V*QI type vectors.
11637         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
11638         Update to satisfy new typechecking rules.
11639         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
11640         C and C++ variants.
11641         * doc/invoke.texi (C Dialect Options): Document
11642         -flax-vector-conversions.
11643
11644 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
11645
11646         PR tree-optimization/29877
11647         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
11648         a register variable on the RHS to not be replaceable.
11649
11650 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
11651         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
11652         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
11653         const_simm15, const_pow2, const_npow2): Added.
11654         * config/score/misc.md (insv, extv, extzv, movmemsi,
11655         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
11656         * config/score/score.c (score_address_cost, score_select_cc_mode):
11657         Added.
11658         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
11659         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
11660         Update score_print_operand.
11661         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
11662         Adjust register allocate order and update some macro define.
11663         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
11664         mdx_block_move_straight, mdx_block_move_loop_head,
11665         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
11666         mdx_block_move): Added.
11667         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
11668         mdp_limm): Updated and fix some bug and typo.
11669         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
11670         (movsf, movdf, doloop_end): Added.
11671
11672 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
11673
11674         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
11675         config/arm/thumb2.md: Fix comment typos.
11676         * doc/extend.texi: Fix a typo.
11677
11678 2007-01-07  Eric Christopher  <echristo@apple.com>
11679
11680         * configure.ac: Check for __stack_chk_fail for darwin.
11681         * configure: Regenerate.
11682
11683 2007-01-07  Richard Guenther  <rguenther@suse.de>
11684
11685         * tree-vrp.c (extract_range_from_assert): CSE calls to
11686         compare_values where possible.
11687         (extract_range_from_unary_expr): Likewise.
11688
11689 2007-01-07  Anatoly Sokolov <aesok@post.ru>
11690
11691         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
11692         * config/avr/avr.c (call_insn_operand): Delete function.
11693         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
11694         instead of register number. Use predicates.
11695         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
11696         call_insn_operand): Add.
11697
11698 2007-01-06  Jan Hubicka  <jh@suse.cz>
11699
11700         * tree-pass.h (pass_build_cgraph_edges): Declare.
11701         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
11702         (visited_nodes): Remove.
11703         (cgraph_create_edges): Move to cgraphbuild.c; rename to
11704         build_cgrpah_edges; make visited_nodes local.
11705         (cgraph_process_new_functions): DO not call initialize_inline_failed.
11706         (record_references_in_initializer): Move to cgraphbuild.c
11707         (initialize_inline_failed, rebuild_cgraph_edges,
11708         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
11709         (verify_cgraph_node): Make visited_nodes local.
11710         (cgraph_analyze_function): Do not call cgraph_create_edges and
11711         initialize_inline_failed.
11712         (cgraph_expand_function): Do not call cgraph_lower_function;
11713         assert that function is already lowered.
11714         * Makefile.in (cgraphbuild.o): New.
11715         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
11716         at the end of lowering passes.
11717
11718 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
11719
11720         * ifcvt.c (cond_move_convert_if_block): New function, code
11721         factored out from...
11722         (cond_move_process_if_block): ...here.  Call the new function
11723         on the THEN and ELSE blocks.
11724         (merge_if_block): Do not copy global_live_at_end, merge_blocks
11725         already takes care of this.
11726
11727 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11728
11729         PR c/19978
11730         * tree.h (TREE_OVERFLOW_P): New.
11731         * c-typeck.c (parser_build_unary_op): Warn only if result
11732         overflowed and operands did not.
11733         (parser_build_binary_op): Likewise.
11734         (convert_for_assignment): Remove redundant overflow_warning.
11735         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
11736
11737 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11738
11739         * c-typeck.c (store_init_value): Split over two lines to follow
11740         the GNU coding style.
11741
11742 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
11743
11744         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
11745         __GXX_EXPERIMENTAL_CXX0X__.
11746         * doc/cpp.texi: Same.
11747
11748 2007-01-05  Richard Guenther  <rguenther@suse.de>
11749
11750         PR middle-end/27826
11751         * tree.c (get_narrower): Do not construct COMPONENT_REFs
11752         with mismatched types.  Instead explicitly build a
11753         conversion NOP_EXPR.
11754
11755 2007-01-05  Ian Lance Taylor  <iant@google.com>
11756
11757         * c-common.c (decl_with_nonnull_addr_p): New function.
11758         (c_common_truthvalue_conversion): Call it.
11759         * c-typeck.c (build_binary_op): Likewise.
11760         * c-common.h (decl_with_nonnull_addr_p): Declare.
11761
11762 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
11763
11764         PR c/30360
11765         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
11766         denom against 0.0.
11767
11768 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
11769
11770         * doc/install.texi (Final install): Document the fact that
11771         the GNAT runtime should not be stripped.
11772
11773 2007-01-04  Jan Hubicka  <jh@suse.cz>
11774
11775         * tree-inline.c (fold_marked_statements): Update operand caches
11776         and EH after folding
11777
11778 2007-01-04  Ian Lance Taylor  <iant@google.com>
11779
11780         * c-common.c (check_function_nonnull): Whitespace fix.
11781
11782 2007-01-04  Jan Hubicka  <jh@suse.cz>
11783
11784         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
11785         comitted older version of patch.
11786         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
11787         function, celanup cfg and collect garbage.
11788
11789 2007-01-04  Mike Stump  <mrs@apple.com>
11790
11791         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
11792         (clean): Likewise.
11793
11794 2007-01-04  Eric Christopher  <echristo@apple.com>
11795
11796         * libgcc2.c (__bswapsi2): Use SItype.
11797         (__bswapdi2): Use DItype.
11798         * libgcc2.h: Update for above.
11799
11800 2007-01-04  Paul Brook  <paul@codesourcery.com>
11801
11802         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
11803         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
11804         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
11805         umulsidi3, umulsidi3adddi, smulsi3_highpart,
11806         umulsi3_highpart): Make conditional on !arm_arch6.
11807         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
11808         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
11809         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
11810         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
11811         umulsi3_highpart_v6): New insns.
11812
11813 2007-01-04  Roger Sayle  <roger@eyesopen.com>
11814
11815         * fold-const.c (fold_convert): When casting an expression to void,
11816         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
11817         have a type.  Instead of attempting to build a NOP_EXPR, return
11818         these "special" trees directly.
11819
11820 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
11821
11822         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
11823         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
11824         rs6000_cost->fp not 0 as adjustment for outer NEG.
11825
11826 2007-01-04  Jan Hubicka  <jh@suse.cz>
11827
11828         * cgraph.c (cgraph_release_function_body): New function.
11829         (cgraph_remove_node): Use it.
11830         * cgraph.h (cgraph_release_function_body): Declare.
11831         * cgraphunit.c (cgraph_expand_function): Use it.
11832         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
11833         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
11834         is initialized and while compilation of other function is running.
11835         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
11836         statement CFG annotations from here to ...
11837         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
11838
11839 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
11840
11841         * cfgloop.h (enum li_flags): Make the constants powers of two.
11842
11843 2007-01-04  Jan Hubicka  <jh@suse.cz>
11844
11845         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
11846         set.
11847         (fold_marked_statements): New function.
11848         (optimize_inline_calls, tree_function_versioning): Fold new statements.
11849         * tree-inline.h (copy_body_data): Add statements_to_fold.
11850
11851 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
11852
11853         * config.gcc: Mention libgcc/config.host.
11854         * Makefile.in: Update comments mentioning libgcc.
11855         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
11856         (all.cross, start.encap, rest.encap, rest.cross): Update
11857         dependencies for libgcc move.
11858         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
11859         (clean-target, clean-target-libgcc): Delete.
11860         (srcdirify, GCC_EXTRA_PARTS): New macros.
11861         (libgcc-support, libgcc.mvars): New rules.
11862         (distclean): Remove mention of mklibgcc.
11863         (install): Don't reference INSTALL_LIBGCC.
11864         (install-common): Don't reference EXTRA_PARTS.
11865         (install-libgcc, install-multilib): Delete rules.
11866         * mklibgcc.in: Delete file.
11867         * doc/configfiles.texi: Don't mention mklibgcc.
11868
11869         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
11870         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
11871         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
11872         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
11873         (mklibgcc, ldblspecs): Likewise.
11874
11875         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
11876         (posixpre.def): Use $(T).
11877         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
11878         (SHLIB_SRC, SHLIB_INSTALL): Delete.
11879         (SHLIB_LINK): Make dummy.
11880         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
11881
11882         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
11883
11884         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
11885         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
11886         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
11887         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
11888
11889         * configure.ac (all_outputs): Remove mklibgcc.
11890         * configure: Regenerated.
11891
11892 2007-01-03  Josh Conner  <jconner@apple.com>
11893
11894         PR middle-end/29683
11895         * calls.c (compute_argument_addresses): Set stack and stack_slot
11896         for partial args, too.
11897         (store_one_arg): Use locate.size.constant for the size when
11898         generating a save_area.
11899
11900 2007-01-03  Robert Kennedy <jimbob@google.com>
11901
11902         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
11903         whose definitions are deleted due to basic block merging.
11904
11905 2007-01-03  Paul Brook  <paul@codesourcery.com>
11906
11907         PR target/16634
11908         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
11909         functions.
11910         (use_return_insn): Return 0 for Thumb interrupt functions.
11911         (print_multi_reg): Add rfe argument for IRQ returns.
11912         (arm_output_epilogue): Pop interrupt return address directly into PC.
11913         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
11914
11915 2007-01-03  Paul Brook  <paul@codesourcery.com>
11916
11917         Merge from sourcerygxx-4_1.
11918         * config/arm/thumb2.md: New file.
11919         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
11920         Thumb-2.
11921         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
11922         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
11923         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
11924         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
11925         tables.
11926         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
11927         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
11928         comptibility.
11929         * config/arm/ieee754-sf.S: Ditto.
11930         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
11931         (thumb1_base_register_rtx_p): ... to this.
11932         (thumb_index_register_rtx_p): Rename...
11933         (thumb1_index_register_rtx_p): ... to this.
11934         (thumb_output_function_prologue): Rename...
11935         (thumb1_output_function_prologue): ... to this.
11936         (thumb_legitimate_address_p): Rename...
11937         (thumb1_legitimate_address_p): ... to this.
11938         (thumb_rtx_costs): Rename...
11939         (thumb1_rtx_costs): ... to this.
11940         (thumb_compute_save_reg_mask): Rename...
11941         (thumb1_compute_save_reg_mask): ... to this.
11942         (thumb_final_prescan_insn): Rename...
11943         (thumb1_final_prescan_insn): ... to this.
11944         (thumb_expand_epilogue): Rename...
11945         (thumb1_expand_epilogue): ... to this.
11946         (arm_unwind_emit_stm): Rename...
11947         (arm_unwind_emit_sequence): ... to this.
11948         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
11949         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
11950         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
11951         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
11952         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
11953         thumb2_output_casesi): New functions.
11954         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
11955         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
11956         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
11957         THUMB2_WORK_REGS): Define.
11958         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
11959         arm_condexec_mask, arm_condexec_masklen)): New variables.
11960         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
11961         (arm_override_options): Check new CPU capabilities.
11962         Set new architecture flag variables.
11963         (arm_isr_value): Handle v7m interrupt functions.
11964         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
11965         Thumb-2.
11966         (const_ok_for_arm): Handle Thumb-2 constants.
11967         (arm_gen_constant): Ditto.  Use movw when available.
11968         (arm_function_ok_for_sibcall): Return false for v7m interrupt
11969         functions.
11970         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
11971         (thumb_find_work_register, arm_load_pic_register,
11972         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
11973         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
11974         print_multi_reg, output_mov_long_double_fpa_from_arm,
11975         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
11976         output_mov_double_fpa_from_arm, output_move_double,
11977         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
11978         output_return_instruction, arm_output_function_prologue,
11979         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
11980         arm_output_mi_thunk, thumb_set_return_address): Ditto.
11981         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
11982         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
11983         (arithmetic_instr, shift_op): Use arm_shift_nmem.
11984         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
11985         '!' and 'L'.
11986         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
11987         (thumb_expand_prologue): Use thumb_set_frame_pointer.
11988         (arm_file_start): Output directive for unified syntax.
11989         (arm_unwind_emit_set): Handle stack alignment instruction.
11990         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
11991         Add v6t2, v7, v7a, v7r and v7m.
11992         (RETLDM): Add Thumb-2 code.
11993         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
11994         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
11995         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
11996         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
11997         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
11998         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
11999         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
12000         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
12001         ADJUST_INSN_LENGTH): Define.
12002         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
12003         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
12004         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
12005         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
12006         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
12007         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
12008         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
12009         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
12010         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
12011         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
12012         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
12013         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
12014         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
12015         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
12016         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
12017         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
12018         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
12019         cortex-m3.
12020         * config/arm/arm-tune.md: Regenerate.
12021         * config/arm/arm-protos.h: Update prototypes.
12022         * config/arm/vfp.md: Enable patterns for Thumb-2.
12023         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
12024         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
12025         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
12026         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
12027         * config/arm/libunwind.S: Add Thumb-2 code.
12028         * config/arm/constraints.md: Update include Thumb-2.
12029         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
12030         * config/arm/ieee754-df.S: Ditto.
12031         * config/arm/bpabi.S: Ditto.
12032         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
12033         * config/arm/predicates.md (low_register_operand,
12034         low_reg_or_int_operand, thumb_16bit_operator): New.
12035         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
12036         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
12037         * config/arm/t-arm-elf: Add armv7 multilib.
12038         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
12039         Include thumb2.md.
12040         (UNSPEC_STACK_ALIGN, ce_count): New.
12041         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
12042         arm_zero_extendsidi2, arm_zero_extendqidi2): New
12043         insns/expanders.
12044         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
12045         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
12046         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
12047         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
12048         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
12049         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
12050         insns.
12051         * doc/extend.texi: Document ARMv7-M interrupt functions.
12052         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
12053
12054 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
12055
12056         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
12057         (struct _Unwind_Context): Rename args_size to flags, remove
12058         signal_frame field, add a new args_size field and version field.
12059         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
12060         _Unwind_IsExtendedContext): New inline functions.
12061         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
12062         Assume by_value array is only present if _Unwind_IsExtendedContext.
12063         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
12064         _Unwind_IsSignalFrame.
12065         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
12066         (uw_update_context_1): Use _Unwind_SetSignalFrame.
12067         (uw_init_context_1): Initialize context->flags to
12068         EXTENDED_CONTEXT_BIT.
12069         * config/rs6000/linux-unwind.h (frob_update_context): Use
12070         _Unwind_SetSignalFrame.
12071
12072 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12073
12074         PR middle-end/30353
12075         * gimplify.c (gimplify_modify_expr_complex_part): Move below
12076         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
12077         the value.
12078
12079 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
12080
12081         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
12082         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
12083         RET, AT_SP): Remove.
12084         * config/i386/i386.md (*sse_prologue_save_insn): Use return
12085         instead of RET.
12086
12087         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12088         * cfgbuild.c (find_basic_blocks): Likewise.
12089         * cfgrtl.c (rtl_create_basic_block): Likewise.
12090         * function.c (temp_slots_at_level): Likewise.
12091         * reg-stack.c (stack_regs_mentioned): Likewise.
12092         * regclass.c (allocate_reg_info): Likewise.
12093         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12094         set_bb_for_stmt, move_block_to_fn): Likewise.
12095         * tree-complex.c (tree_lower_complex): Likewise.
12096         * vec.h (VEC_safe_grow_cleared): New.
12097
12098         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
12099
12100 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
12101
12102         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
12103         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
12104         to loop_version.
12105         * cfgloopmanip.c (scale_loop_frequencies): Export.
12106         (loopify): Scale the frequencies by prescribed coefficients.
12107         (set_zero_probability): New function.
12108         (duplicate_loop_to_header_edge): Improve updating of frequencies.
12109         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
12110         and frequencies according to arguments.
12111         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
12112         correctly.
12113         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
12114         * modulo-sched.c (sms_schedule): Set probabilities for entering
12115         versioned loop correctly.
12116         * tree-vect-transform.c (vect_transform_loop): Ditto.
12117         * cfgloop.h (loopify, loop_version): Declaration changed.
12118         (scale_loop_frequencies): Declared.
12119
12120 2007-01-02  Jan Hubicka  <jh@suse.cz>
12121
12122         * cgraph.c: Include tree-flow.h
12123         (cgraph_add_new-function): Handle IPA_SSA mode; execute
12124         early_local_passes.
12125         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
12126         * tree-pass.h (pass_all_early_optimizations): Declare.
12127         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
12128         early_local_passes.
12129         (cgraph_analyze_function): Do early_local_passes.
12130         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
12131         Do not add referenced vars.
12132         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
12133         SSA form.
12134         (gate_all_early_local_passes): New gate.
12135         (pass_early_local_passes): Use new gate.
12136         (execute_early_local_optimizations): New functions.
12137         (gate_all_early_optimizations): New gate.
12138         (pass_all_early_optimizations): New pass.
12139         (execute_free_datastructures): Free SSA only when initialized.
12140         (gate_init_datastructures): Init only when optimizing.
12141         (tree_lowering_passes): Do early local passes when called late.
12142         * tree-profile.c (do_tree_profiling): Don't profile functions added
12143         late.
12144         (do_early_tree_profiling, pass_early_tree_profile): Kill.
12145         * tree-cfg.c (update_modified_stmts): Do not update when operands are
12146         not active.
12147         * passes.c (init_optimizations_passes): Reorder so we go into SSA
12148         during early_local_passes.
12149         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
12150
12151
12152 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
12153
12154         * Makefile.in: Update copyright year.
12155
12156 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
12157
12158         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
12159         in $(lang_checks) and check-consistency targets.
12160
12161 2007-01-02  Jan Hubicka  <jh@suse.cz>
12162
12163         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
12164         Do not add referenced vars.
12165         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
12166         are not active.
12167         * passes.c (init_optimization_passes): Put mudflap_2 after
12168         free_datastructures.
12169
12170 2007-01-02  Jan Hubicka  <jh@suse.cz>
12171
12172         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
12173         Set NOTHROW flag on call statements proved to be nothrow.
12174         Update statement of local calls so new pure/const functions are
12175         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
12176         goto receivers.
12177         (tree_rest_of_compilation): Register hooks and initialize bitmap
12178         early. Do not set after_inlining flag.
12179
12180 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
12181
12182         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
12183         HOST_BITS_PER_LONGLONG
12184
12185 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
12186
12187         PR c/19977
12188         * c-typeck.c (store_init_value): Don't emit pedantic overflow
12189         warning for non-static initializers.
12190
12191 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
12192
12193         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
12194         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
12195         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
12196         Always use set_unique_reg_note to add REG_EQUAL notes.
12197
12198 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
12199
12200         Revert:
12201         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
12202
12203         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12204         * cfgbuild.c (find_basic_blocks): Likewise.
12205         * cfgrtl.c (rtl_create_basic_block): Likewise.
12206         * function.c (temp_slots_at_level): Likewise.
12207         * reg-stack.c (stack_regs_mentioned): Likewise.
12208         * regclass.c (allocate_reg_info): Likewise.
12209         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12210         set_bb_for_stmt, move_block_to_fn): Likewise.
12211         * tree-complex.c (tree_lower_complex): Likewise.
12212         * vec.h (VEC_safe_grow_cleared): New.
12213
12214 2007-01-02  Ian Lance Taylor  <iant@google.com>
12215
12216         * c-common.c (c_common_truthvalue_conversion): When warning about
12217         using an assignment as a truth value, set TREE_NO_WARNING.
12218
12219 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12220
12221         PR middle-end/7651
12222         * c.opt (Wold-style-declaration): New.
12223         * doc/invoke.texi (C-only Warning Options): New.
12224         (Wold-style-declaration): Document it.
12225         (Wextra): Enabled by -Wextra.
12226         * c-opts.c (c_common_post_options): Enabled by -Wextra.
12227         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
12228         -Wold-style-declaration.
12229
12230 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
12231
12232         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12233         * cfgbuild.c (find_basic_blocks): Likewise.
12234         * cfgrtl.c (rtl_create_basic_block): Likewise.
12235         * function.c (temp_slots_at_level): Likewise.
12236         * reg-stack.c (stack_regs_mentioned): Likewise.
12237         * regclass.c (allocate_reg_info): Likewise.
12238         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12239         set_bb_for_stmt, move_block_to_fn): Likewise.
12240         * tree-complex.c (tree_lower_complex): Likewise.
12241         * vec.h (VEC_safe_grow_cleared): New.
12242
12243 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
12244
12245         * c-common.c (c_common_nodes_and_builtins): Since variants of
12246         void_type_node get built before it is given a name, we need to
12247         give those variants the name, too.
12248         (complete_array_type): We need to work with the canonical main
12249         type of the array, from which we will build the qualified version.
12250         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
12251         * print-tree.c (print_node): Display canonical type information
12252         for each type.
12253         * stor-layout.c (layout_type): When we don't know the
12254         alignment of a type for which we're building an array, we end up
12255         guessing wrong, so make the type require structural equality.
12256         * tree.c (make_node_stat): When we build a new type, it is its
12257         own canonical type.
12258         (build_type_attribute_qual_variant): When building an attribute
12259         variant, its canonical type is the non-attribute variant. However,
12260         if the attributes are target-dependent and they differ, we need to
12261         use structural equality checks for this type.
12262         (build_qualified_type): A qualified type is not equivalent to its
12263         unqualified variant; set the canonical type appropriately.
12264         (build_distinct_type_copy): When building a distinct type from
12265         another type, the new type is its own canonical type.
12266         (build_variant_type_copy): When building a new type variant, we
12267         assume that it is equivalent to the original type.
12268         (build_pointer_type_for_mode): When building a pointer type, also
12269         build a canonical type pointer.
12270         (build_reference_type_for_mode): When building a reference type,
12271         also build a canonical type reference.
12272         (build_index_type): When we can't hash an index type (e.g.,
12273         because its maximum value is negative), the index type requires
12274         structural equality tests.
12275         (build_array_type): Build the canonical form of an array type.
12276         (build_function_type): Function types require structural equality,
12277         because they contain default arguments, attributes, etc.
12278         (build_method_type_directly): Ditto for method types.
12279         (build_offset_type): Build the canonical offset type.
12280         (build_complex_type): Build the canonical vector type.
12281         (make_vector_type): Build the canonical vector type.
12282         * tree.h (TYPE_CANONICAL): New.
12283         (TYPE_STRUCTURAL_EQUALITY_P): New.
12284         (SET_TYPE_STRUCTURAL_EQUALITY): New.
12285         (struct tree_type): Added "canonical" field.
12286         * params.h (VERIFY_CANONICAL_TYPES): New.
12287         * doc/c-tree.texi (TYPE_CANONICAL): Document.
12288         (TYPE_STRUCTURAL_EQUALITY_P): Document.
12289         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
12290         * doc/invoke.texi (verify-canonical-types): Document --param
12291         parameter for verifying canonical types.
12292
12293 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12294
12295         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
12296         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
12297         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
12298         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
12299         tm_file.
12300         * config/rs6000/e500.h: New.
12301         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
12302         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
12303         Remove.
12304         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
12305         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
12306         TARGET_E500_DOUBLE): Remove.
12307         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
12308         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
12309         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
12310         * config/rs6000/rs6000.c (rs6000_override_options): Use
12311         CHECK_E500_OPTIONS.
12312
12313 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12314
12315         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
12316         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
12317         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
12318         rs6000_emit_cmove): Don't check TARGET_E500.
12319         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
12320         sordered): Don't check TARGET_E500.
12321
12322 2007-01-01  Eric Christopher  <echristo@apple.com>
12323
12324         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
12325         HARD_REGISTER_NUM_P.
12326
12327 2007-01-01  Roger Sayle  <roger@eyesopen.com>
12328
12329         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
12330         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
12331         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
12332         eq/ne Y".
12333
12334 2007-01-01  Mike Stump  <mrs@apple.com>
12335
12336         * configure.ac: Remove support for building with Apple's gcc-3.1.
12337
12338 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12339
12340         PR middle-end/30311
12341         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
12342         REG is a hard register.  Do not modify REG before calling
12343         subreg_nregs.
12344         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
12345         multiple of the size of YMODE for certain lowpart cases.
12346
12347 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12348
12349         PR middle-end/30253
12350         * gimplify (voidify_wrapper_expr): Update for
12351         GIMPLE_MODIFY_STMT.
12352
12353 2007-01-01  Andreas Schwab  <schwab@suse.de>
12354
12355         PR target/29166
12356         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
12357         save of BR0 in extra_spill_size instead of spill_size.
12358         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
12359         area.
12360         (ia64_expand_epilogue): Restore BR0 from its new location.
12361
12362 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12363
12364         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
12365         Use a temporary variable if the left hand side is not a gimple
12366         register.
12367
12368 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12369
12370         * gimplify.c (gimplify_return_expr): Make the temporary variable
12371         for the return expression, a gimple register variable.
12372
12373 2007-01-01  Jan Hubicka  <jh@suse.cz>
12374
12375         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
12376         INSN_LIST.
12377
12378 2007-01-01  Mike Stump  <mrs@apple.com>
12379
12380         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
12381         .literal16.
12382         * config/darwin.c (machopic_select_rtx_section): Use
12383         HAVE_GAS_LITERAL16.
12384         (darwin_mergeable_constant_section): Likewise.
12385         * configure: Regenerate.
12386         * config.in: Regenerate.
12387
12388 2007-01-01  Jan Hubicka  <jh@suse.cz>
12389             Andrew Pinski  <pinskia@gmail.com>
12390
12391         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
12392         before starting IPA passes.