gcc/ChangeLog.tuples

   1 2008-07-28  Richard Guenther  <rguenther@suse.de>
   2
   3         Merge with mainline @138201.
   4
   5         * configure.ac (ACX_PKGVERSION): Update revision merge string.
   6         * configure: Regenerate.
   7
   8 2008-07-27  Jakub Jelinek  <jakub@redhat.com>
   9
  10         * omp-low.c (expand_omp_atomic_fetch_op): Fix a merge glitch.
  11
  12 2008-07-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
  13
  14         * config/spu/spu.c (spu_gimplify_va_arg_expr): Unshare the args
  15         and skip trees.
  16
  17 2008-07-27  Richard Guenther  <rguenther@suse.de>
  18
  19         * tree-eh.c (lookup_expr_eh_region): Do not allocate a tree
  20         annotation.
  21         * tree-dfa.c (create_tree_common_ann): Set eh region to -1.
  22         * tree-flow.h (struct tree_ann_common_d): Reorder rn member
  23         to pack with type.
  24
  25 2008-07-26  Richard Guenther  <rguenther@suse.de>
  26
  27         Merge with mainline @138159.
  28
  29         * configure.ac (ACX_PKGVERSION): Update revision merge string.
  30         * configure: Regenerate.
  31
  32 2008-07-26  Richard Guenther  <rguenther@suse.de>
  33
  34         * gimple.h (CALL_STMT_CANNOT_INLINE_P): Remove.
  35
  36 2008-07-26  Jan Hubicka  <jh@suse.cz>
  37
  38         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Use
  39         gimple_call_set_cannot_inline.
  40         (cgraph_decide_inlining): Likewise.
  41         (cgraph_decide_inlining_incrementally): Likewise.
  42
  43 2008-07-26  Richard Guenther  <rguenther@suse.de>
  44
  45         Merge with mainline @138092.
  46
  47         * configure.ac (ACX_PKGVERSION): Update revision merge string.
  48         * configure: Regenerate.
  49
  50 2008-07-26  Richard Guenther  <rguenther@suse.de>
  51
  52         Merge with mainline @138091.
  53
  54 2008-07-25  Richard Guenther  <rguenther@suse.de>
  55
  56         * config/ia64/ia64.c (ia64_gimplify_va_arg): Unshare valist
  57         before reusing it.
  58
  59 2008-07-25  Andreas Krebbel  <krebbel1@de.ibm.com>
  60
  61         * tree-tailcall.c (process_assignment): Prevent tail call
  62         optimization if the modes of the return types don't match.
  63
  64 2008-07-24  Aldy Hernandez  <aldyh@redhat.com>
  65
  66         * tree-inline.c (expand_call_inline): Allow casts in assert.
  67
  68 2008-07-24  Richard Guenther  <rguenther@suse.de>
  69
  70         PR middle-end/36885
  71         * tree.c (walk_tree_1): Also walk CHANGE_DYNAMIC_TYPE_EXPR operands.
  72         * gimple.c (gss_for_code): GIMPLE_CHANGE_DYNAMIC_TYPE is GSS_WITH_OPS.
  73         * gsstruct.def (GSS_CHANGE_DYNAMIC_TYPE): Remove.
  74
  75 2008-07-24  Richard Guenther  <rguenther@suse.de>
  76
  77         * tree-sra.c (sra_walk_expr): Also handle CONVERT_EXPR.
  78         (sra_walk_gimple_assign): Correctly detect assigns we can handle.
  79         * expr.c (expand_expr_real_1): Pass MOVE_NONTEMPORAL to
  80         expand_assignment.
  81
  82 2008-07-23  Richard Guenther  <rguenther@suse.de>
  83
  84         * tree-ssa-dse.c (get_kill_of_stmt_lhs): Tuplify correct.
  85         * gimple-pretty-print.c (dump_gimple_label): Dump non-local flag.
  86         * tree.h (maybe_fold_stmt_addition): Declare.
  87         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Export.
  88         (fold_gimple_assign): Return the new rhs instead of modifying the stmt.
  89         (fold_stmt): Deal with that.
  90         (fold_stmt_inplace): Only replace the rhs of a statement if
  91         that has enough operand space to hold the new operands.
  92         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Fix
  93         POINTER_PLUS_EXPR handling.
  94
  95 2008-07-23  Richard Guenther  <rguenther@suse.de>
  96
  97         * tree-eh.c (record_in_goto_queue): Fix bootstrap with
  98         --disable-checking.
  99
 100 2008-07-23  Aldy Hernandez  <aldyh@redhat.com>
 101
 102         Merge with mainline @138071.
 103
 104         * configure.ac (ACX_PKGVERSION): Update revision merge string.
 105         * configure: Regenerate.
 106
 107 2008-07-23  Richard Guenther  <rguenther@suse.de>
 108
 109         * tree-eh.c (union treemple): Add tree * member.
 110         (find_goto_replacement): Adjust.
 111         (replace_goto_queue_cond_clause): Use the address of the
 112         individual labels as unique identifier.
 113         (replace_goto_queue_1): Use the statement as unique identifier
 114         for GIMPLE_GOTO.
 115         (record_in_goto_queue): Add checking.
 116         (record_in_goto_queue_label): Adjust.
 117         (maybe_record_in_goto_queue): Likewise.
 118         (do_goto_redirection): Get leh_tf_state.
 119         (lower_try_finally_nofallthru): Pass it.
 120         (lower_try_finally_onedest): Likewise.
 121         (lower_try_finally_copy): Likewise.
 122         (lower_try_finally_switch): Likewise.
 123
 124 2008-07-22  Aldy Hernandez  <aldyh@redhat.com>
 125             Jakub Jelinek  <jakub@redhat.com>
 126
 127         * gimplify.c (gimple_do_not_emit_location_p): New.
 128         (gimple_set_do_not_emit_location): New.
 129         (annotate_one_with_location): Do not annotate if
 130         gimple_do_not_emit_location_p.
 131         (gimplify_cond_expr): Do not optimize if the COND_EXPR and
 132         GOTO_EXPR have different locations.
 133         Do not emit location information for some GIMPLE_COND's.
 134
 135 2008-07-22  Richard Guenther  <rguenther@suse.de>
 136
 137         * tree-ssa-ccp.c (ccp_fold): Use gimple_expr_type.
 138         (fold_gimple_assign): Likewise.
 139         * tree-inline.c (remap_gimple_op_r): Do not set TREE_BLOCK on
 140         non-statements.  Recurse to copy_tree_body_r with NULL block.
 141         (copy_phis_for_bb): Likewise.
 142         * tree-cfg.c (move_stmt_op): Do not set TREE_BLOCK on
 143         non-statements.
 144
 145 2008-07-22  Diego Novillo  <dnovillo@google.com>
 146             Richard Guenther  <rguenther@suse.de>
 147
 148         * tree-ssa-dom.c (hashable_expr_equal_p): Do nothing if
 149         either TYPE0 or TYPE1 is NULL.
 150
 151 2008-07-21  Diego Novillo  <dnovillo@google.com>
 152
 153         * tree-ssa-alias-warnings.c (struct gimple_tree_map): New.
 154         Change every use of struct tree_map to struct gimple_tree_map.
 155         (gimple_tree_map_eq): New.
 156         (gimple_tree_map_hash): New.
 157         * tree-ssa-ccp.c (evaluate_stmt): Remove stale FIXME note.
 158         * gimplify.c (gimplify_expr): Remove stale FIXME note.
 159         * tree-ssa-pre.c: Remove stale references to GIMPLE_MODIFY_STMT.
 160         * tree-vect-generic.c (expand_vector_operations_1): Change
 161         FIXME tuples to NOTE.
 162
 163 2008-07-21  Richard Guenther  <rguenther@suse.de>
 164
 165         * tree-ssa-phiprop.c (propagate_with_phi): Only look through
 166         SSA_NAME copies.
 167
 168 2008-07-21  Richard Guenther  <rguenther@suse.de>
 169
 170         * gimplify.c (gimplify_init_constructor): Clear TREE_SIDE_EFFECTS
 171         on the remaining empty constructor.
 172
 173 2008-07-21  Richard Guenther  <rguenther@suse.de>
 174
 175         * tree-ssa-ccp.c (fold_gimple_assign): Handle pointer conversions
 176         like fold_stmt_r did.
 177         * gimple-pretty-print.c (dump_gimple_cond): Place semicolons
 178         where trunk did.
 179         * tree-inline.c (copy_bb): Do not insert GIMPLE_NOPs.
 180
 181 2008-07-21  Richard Guenther  <rguenther@suse.de>
 182
 183         PR tree-optimization/36826
 184         * tree-ssa-pre.c (eliminate): Do not eliminate in unused
 185         statements.
 186
 187 2008-07-20  Richard Guenther  <rguenther@suse.de>
 188
 189         * gimple.h (gimple_expr_type): The expression type is always
 190         the base type of an integral sub-type result type.
 191         * tree-eh.c (replace_goto_queue_cond_clause): Copy the sequence
 192         before handing it off to gsi_insert_seq_after.
 193         * tree-sra.c (insert_edge_copies_seq): Make sure to not keep an
 194         uninserted but marked for update sequence.
 195
 196 2008-07-20  Richard Guenther  <rguenther@suse.de>
 197
 198         * gimple.c (DEFTREECODE): Add REALIGN_LOAD_EXPR.
 199
 200 2008-07-19  Richard Guenther  <rguenther@suse.de>
 201
 202         * tree-ssa-sccvn.h (get_constant_value_id): Declare.
 203         (vn_constant_eq_with_type): Make sure an integral type is
 204         never equal to a non-integral type.
 205         (vn_hash_constant_with_type): Adjust.
 206         * tree-ssa-sccvn.c (get_constant_value_id): New function.
 207         * tree-ssa-pre.c (get_expr_value_id): For newly created
 208         constant value-ids make sure to add the expression to its
 209         expression-set.
 210
 211 2008-07-18  Jakub Jelinek  <jakub@redhat.com>
 212
 213         * gimple.c (gimple_regimplify_operands): Moved to...
 214         * gimplify.c (gimple_regimplify_operands): ... here.  Rework using
 215         lower_omp_1 regimplification code, if regimplified LHS of
 216         GIMPLE_ASSIGN or GIMPLE_CALL requires simpler RHS, create a temporary.
 217         * omp-low.c (gimple_regimplify_operands): Use
 218         gimple_regimplify_operands.
 219
 220 2008-07-18  Richard Guenther  <rguenther@suse.de>
 221
 222         * tree-ssa-reassoc.c (get_rank): For single rhs process its
 223         operands.
 224
 225 2008-07-18  Richard Guenther  <rguenther@suse.de>
 226
 227         * tree-ssa-loop-niter.c (expand_simple_operations): Expand
 228         as much as trunk does.
 229         * tree-ssa-sccvn.c (simplify_binary_expression): For comparisons
 230         always expand the first operand.
 231
 232 2008-07-18  Jakub Jelinek  <jakub@redhat.com>
 233
 234         * gimple-pretty-print.c (dump_gimple_cond): Print a semicolon if
 235         goto or else goto has been printed.
 236         (dump_gimple_goto): Print as goto instead of gimple_goto, print
 237         a semicolon at the end.
 238         (dump_gimple_asm): Print a semicolon at the end.
 239
 240         * gimplify.c (gimplify_cond_expr): If COND_EXPR has both non-trivial
 241         THEN and ELSE statements and the THEN sequence can't fallthru, avoid
 242         adding label_cont and jump to it.
 243
 244 2008-07-18  Aldy Hernandez  <aldyh@redhat.com>
 245
 246         * Makefile.in.  Remove TREE_GIMPLE_H definition.
 247         Rename all TREE_GIMPLE_H uses to GIMPLE_H.
 248         Depend on tree-iterator.h when necessary.
 249         * tree-into-ssa.c: Include gimple.h instead of tree-gimple.h.
 250         * tree-complex.c: Same.
 251         * cgraphbuild.c: Same.
 252         * cgraph.c: Same.
 253         * builtins.c: Same.
 254         * tree-ssa-sccvn.c: Same.
 255         * tree-ssa-copyrename.c: Same.
 256         * tree-nomudflap.c: Same.
 257         * tree-call-cdce.c: Same.
 258         * ipa-pure-const.c: Same.
 259         * ipa-utils.c: Same.
 260         * tree-ssa-alias.c: Same.
 261         * tree-ssa-sink.c: Same.
 262         * langhooks.c: Same.
 263         * function.c: Same.
 264         * ipa-type-escape.c: Same.
 265         * tree-affine.c: Same.
 266         * c-typeck.c: Same.
 267         * tree-dfa.c: Same.
 268         * tree-ssa-pre.c: Same.
 269         * tree-sra.c: Same.
 270         * c-omp.c: Same.
 271         * tree-ssa-dce.c: Same.
 272         * tree-nested.c: Same.
 273         * tree-ssa.c: Same.
 274         * tree-inline.c: Same.
 275         * tree-iterator.c: Same.
 276         * c-gimplify.c: Same.
 277         * tree-vect-generic.c: Same.
 278         * tree-flow.h: Same.
 279         * tree-ssa-structalias.c: Same.
 280         * ipa-struct-reorg.c: Same.
 281         * tree-ssa-reassoc.c: Same.
 282         * config/alpha/alpha.c: Same.
 283         * config/s390/s390.c: Same.
 284         * config/m32c/m32c.c: Same.
 285         * config/spu/spu.c: Same.
 286         * config/sparc/sparc.c: Same.
 287         * config/i386/i386.c: Same.
 288         * config/sh/sh.c: Same.
 289         * config/xtensa/xtensa.c: Same.
 290         * config/stormy16/stormy16.c: Same.
 291         * config/ia64/ia64.c: Same.
 292         * config/rs6000/rs6000: Same.
 293         * config/mips/mips.c: Same.
 294         * varpool.c: Same.
 295         * cgraphunit.c: Same.  Include tree-iterator.h
 296         * tree-mudflap.c: Same.
 297         * gimplify.c: Same.
 298         * c-decl.c: Same.
 299         * omp-low.c: Same.
 300         * c-semantics: Same.
 301         * gimple-low.c: Same.
 302         * tree-gimple.c: Merge contents into...
 303         * gimple.c: ...here.
 304         * tree-gimple.h: Merge contents into...
 305         * gimple.h: ...here.
 306
 307 2008-07-17  Jakub Jelinek  <jakub@redhat.com>
 308
 309         * omp-low.c (expand_omp_atomic_pipeline): Call
 310         force_gimple_operand_gsi on RHS for IADDR initialization.
 311
 312         * gimplify.c (gimplify_cond_expr): Push statements in between
 313         gimple_push_condition and gimple_pop_condition into a new
 314         gimple_seq, append it after gimple_pop_condition cleanups.
 315
 316 2008-07-17  Richard Guenther  <rguenther@suse.de>
 317
 318         * tree-complex.c (init_dont_simulate_again): Handle
 319         {REAL,IMAG}PART_EXPR correctly.
 320         * gimple-pretty-print.c (dump_unary_rhs): Dump VIEW_CONVERT_EXPR
 321         and ASSERT_EXPR the same way as on trunk.
 322         * tree-ssa-dom.c (initialize_hash_element): Do not record
 323         the type for single rhs assigns.
 324         (hashable_expr_equal_p): Deal with NULL types.
 325         (eliminate_redundant_computations): Use print_gimple_expr.
 326         * tree-vrp.c (stmt_interesting_for_vrp): Fix builtin call check.
 327         (vrp_visit_stmt): Likewise.
 328         * tree-ssa-forwprop.c (simplify_gimple_switch): Fix typo.
 329
 330 2008-07-16  Richard Guenther  <rguenther@suse.de>
 331
 332         PR tree-optimization/36792
 333         * tree-ssa-pre.c (get_or_alloc_expr_for): Handle unary
 334         expressions inserted by SCCVN.
 335         (do_SCCVN_insertion): Adjust comment.
 336         (execute_pre): Allow insertion for FRE again.
 337
 338         * tree-ssa-sccvn.c (simplify_unary_expression): Deal with
 339         the GIMPLE_SINGLE_RHS statemens we get.
 340         (init_scc_vn): Init VN_INFO->expr to NULL.
 341
 342 2008-07-16  Richard Guenther  <rguenther@suse.de>
 343
 344         Revert
 345         2008-07-16  Richard Guenther  <rguenther@suse.de>
 346         * tree-ssa-pre.c (get_constant_for_value_id): Only hand out
 347         constants of the correct type.
 348         (fully_constant_expression): Pass the required type to
 349         get_constant_for_value_id.
 350
 351         * tree-ssa-sccvn.h (vn_hash_constant_with_type): New function.
 352         (vn_constant_eq_with_type): Likewise.
 353         * tree-ssa-sccvn.c (vn_constant_eq): Use vn_constant_eq_with_type.
 354         (get_or_alloc_constant_value_id): Use vn_hash_constant_with_type.
 355         * tree-ssa-pre.c (pre_expr_eq): Use vn_constant_eq_with_type.
 356         (pre_expr_hash): Use vn_hash_constant_with_type.
 357         (get_representative_for): Use constants as their representative.
 358         (fully_constant_expression): Use constant parts in expressions
 359         directly.
 360
 361 2008-07-15  Aldy Hernandez  <aldyh@redhat.com>
 362
 363         * tree-ssa-propagate.c (valid_gimple_expression_p): Remove.
 364         * tree-ssa-propagate.h (valid_gimple_expression_p): Remove.
 365         * tree-eh.c: Factor out common code in operation_could_trap_p and
 366         stmt_could_throw_1_p into...
 367         (operation_could_trap_helper_p): New.
 368         * gimplify.c (gimplify_expr): Rephrase fixme.
 369         * tree-mudflap.c: Remove fixme.
 370
 371 2008-07-17  Jakub Jelinek  <jakub@redhat.com>
 372
 373         * tree-eh.c (collect_finally_tree): Call collect_finally_tree_1
 374         with region as second argument for GIMPLE_TRY_FINALLY's cleanup.
 375
 376         * gimplify.c (gimplify_expr): Call gimple_try_set_catch_is_cleanup
 377         for TRY_CATCH_EXPR.
 378
 379 2008-07-16  Jakub Jelinek  <jakub@redhat.com>
 380
 381         * tree-gimple.c (is_gimple_reg_rhs): Don't check for CALL_EXPRs
 382         with side-effects.
 383         * gimple.c (extract_ops_from_tree): Remove assert.
 384         * gimplify.c (is_gimple_reg_or_call_rhs): New function.
 385         (rhs_predicate_for): Return it instead of is_gimple_reg_rhs.
 386         (gimplify_expr): Handle is_gimple_reg_or_call_rhs.
 387
 388         * tree-ssa-threadedge.c (record_temporary_equivalences_for_stmts,
 389         simplify_control_stmt_condition): Pass stmt instead of NULL as second
 390         argument to simplify callback.
 391
 392         * tree-vect-patterns.c (vect_recog_pow_pattern): Don't call
 393         gimple_call_set_lhs with lhs of last_stmt.
 394         * tree-vect-transform.c (vectorizable_call): Build a new dummy
 395         assignment, replace the call with it and move over stmt_info.
 396
 397         * tree-ssa-loop-niter.c (infer_loop_bounds_from_array): Use
 398         is_gimple_assign instead of gimple_code () == GIMPLE_ASSIGN and
 399         is_gimple_call instead of gimple_code () == GIMPLE_CALL.
 400         * tree-ssa-propagate.c (update_call_from_tree, substitute_and_fold):
 401         Likewise.
 402         * tree-ssa-sccvn.c (visit_use): Likewise.
 403         * tree-eh.c (stmt_could_throw_p): Likewise.
 404         * tree-optimize.c (execute_fixup_cfg): Likewise.
 405         * omp-low.c (check_omp_nesting_restrictions, scan_omp_1_stmt,
 406         optimize_omp_library_calls): Likewise.
 407         * tree-ssa-loop-im.c (movement_possibility, stmt_cost,
 408         determine_invariantness_stmt): Likewise.
 409         * tree-ssa-phiprop.c (phivn_valid_p, phiprop_insert_phi,
 410         propagate_with_phi): Likewise.
 411         * tree-ssa-ccp.c (get_default_value, surely_varying_stmt_p,
 412         ccp_fold_builtin, gimplify_and_update_call_from_tree): Likewise.
 413         * ipa-struct-reorg.c (is_result_of_mult, create_general_new_stmt):
 414         Likewise.
 415         * tree-ssa-coalesce.c (build_ssa_conflict_graph): Likewise.
 416         * tree-object-size.c (alloc_object_size, call_object_size,
 417         check_for_plus_in_loops): Likewise.
 418         * tree-ssa.c (verify_ssa): Likewise.
 419         * predict.c (expr_expected_value_1, tree_bb_level_predictions,
 420         tree_estimate_probability): Likewise.
 421         * tree-cfg.c (verify_stmt): Likewise.
 422         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
 423         copy_loop_headers): Likewise.
 424         * tree-ssa-ter.c (is_replaceable_p): Likewise.
 425         * ipa-prop.c (ipa_count_arguments, ipa_compute_jump_functions):
 426         Likewise.
 427         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p,
 428         record_equivalences_from_stmt, optimize_stmt,
 429         get_lhs_or_phi_result): Likewise.
 430         * tree-ssa-sink.c (is_hidden_global_store): Likewise.
 431         * tree-nrv.c (tree_nrv, execute_return_slot_opt): Likewise.
 432         * value-prof.c (gimple_divmod_fixed_value,
 433         gimple_mod_pow2, gimple_mod_subtract): Likewise.
 434         * tree-predcom.c (name_for_ref, find_looparound_phi,
 435         replace_ref_with, remove_name_from_operation): Likewise.
 436         * tree-ssa-math-opts.c (is_division_by, execute_cse_reciprocals,
 437         execute_cse_sincos, execute_convert_to_rsqrt): Likewise.
 438         * tree-complex.c (expand_complex_move, expand_complex_operations_1):
 439         Likewise.
 440         * tree-outof-ssa.c (identical_copies_p): Likewise.
 441         * tree-ssa-pre.c (is_exception_related): Likewise.
 442         * tree-sra.c (scalarize_use, scalarize_copy): Likewise.
 443         * tree-ssa-alias.c (count_uses_and_derefs, update_alias_info_1,
 444         is_escape_site): Likewise.
 445         * lambda-code.c (can_put_in_inner_loop,
 446         cannot_convert_bb_to_perfect_nest): Likewise.
 447         * tree-tailcall.c (find_tail_calls, eliminate_tail_call): Likewise.
 448         * ipa-type-escape.c (look_for_casts_stmt, is_cast_from_non_pointer):
 449         Likewise.
 450         * tree-vect-transform.c (vectorizable_reduction): Likewise.
 451         * tree-ssa-threadedge.c (record_temporary_equivalences_from_stmts):
 452         Likewise.
 453         * tree-ssa-phiopt.c (nt_init_block): Likewise.
 454         * tree-ssa-structalias.c (find_func_aliases): Likewise.
 455         * tree-ssa-forwprop.c (can_propagate_from,
 456         forward_propagate_comparison, simplify_not_neg_expr,
 457         simplify_gimple_switch, tree_ssa_forward_propagate_single_use_vars):
 458         Likewise.
 459         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
 460         * tree-ssa-dse.c (get_kill_of_stmt_lhs, dse_possible_dead_store_p,
 461         dse_optimize_stmt, execute_simple_dse): Likewise.
 462         * tree-ssa-loop-ivopts.c (find_interesting_uses_op,
 463         find_interesting_uses_stmt, rewrite_use_nonlinear_expr): Likewise.
 464         * tree-vrp.c (stmt_overflow_infinity, vrp_stmt_computes_nonzero,
 465         register_edge_assert_for_2, register_edge_assert_for,
 466         find_assert_locations, check_all_array_refs,
 467         remove_range_assertions, stmt_interesting_for_vrp, vrp_visit_stmt,
 468         simplify_stmt_using_ranges): Likewise.
 469         * tree-ssa-loop-prefetch.c (gather_memory_references): Likewise.
 470         * tree-ssa-copy.c (may_propagate_copy_into_stmt,
 471         propagate_tree_value_into_stmt): Likewise.
 472         * tree-inline.c (copy_bb, expand_call_inline,
 473         gimple_expand_calls_inline, fold_marked_statements): Likewise.
 474
 475         * tree-ssa-copyrename.c (rename_ssa_copies): Use
 476         gimple_assign_ssa_name_copy_p.
 477
 478         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Check
 479         gimple_assign_rhs_code, type of rhs is TREE_TYPE (lhs), update
 480         rhs_code.
 481
 482 2008-07-16  Richard Guenther  <rguenther@suse.de>
 483
 484         * tree-ssa-pre.c (get_constant_for_value_id): Only hand out
 485         constants of the correct type.
 486         (fully_constant_expression): Pass the required type to
 487         get_constant_for_value_id.
 488
 489 2008-07-15  Aldy Hernandez  <aldyh@redhat.com>
 490
 491         Merge with mainline @137837.
 492
 493         * configure.ac (ACX_PKGVERSION): Update revision merge string.
 494         * configure: Regenerate.
 495
 496 2008-07-15  Jakub Jelinek  <jakub@redhat.com>
 497
 498         * common.opt (-fgimple-conversion=): Remove.
 499
 500         * tree-affine.c (aff_combination_expand): Tuplify.
 501         * cfgexpand.c (gimple_assign_rhs_to_tree): Remove prototype.
 502         * tree-outof-ssa.c (gimple_assign_rhs_to_tree): Likewise.
 503         * tree-gimple.h (gimple_assign_rhs_to_tree): New prototype.
 504
 505 2008-07-15  Aldy Hernandez  <aldyh@redhat.com>
 506
 507         * tree.h: Remove gimple_unreachable_1 prototype.
 508
 509 2008-07-15  Aldy Hernandez  <aldyh@redhat.com>
 510
 511         * Makefile.in (gimple-dummy.o): Remove.
 512         * gimple-dummy.c: Delete.
 513         * tree-ssa-propagate.c (valid_gimple_expression_p): Change
 514         gimple_unreachable to gcc_unreachable.
 515         * tree-affine.c (aff_combination_expand): Same.
 516         * tree-vect-transform.c (vectorizable_call): Same.
 517
 518 2008-07-15  Richard Guenther  <rguenther@suse.de>
 519
 520         * gimplify.c (gimplify_expr): Gimplify an unused volatile load
 521         properly.
 522
 523 2008-07-15  Richard Guenther  <rguenther@suse.de>
 524
 525         * tree-ssa-pre.c: Tuplify.  Enable FRE and PRE.
 526         (execute_pre): Disable SCCVN insertion even for FRE.
 527         * tree-ssa-sccvn.h (copy_reference_ops_from_call): Declare.
 528         * tree-ssa-sccvn.c (copy_reference_ops_from_call): Export.
 529         (vn_get_expr_for): Handle more expression kinds.
 530         (visit_reference_op_load): Properly set a value id for
 531         inserted names.
 532         (simplify_binary_expression): Use valid_gimple_rhs_p instead of
 533         valid_gimple_expression_p.
 534         (simplify_unary_expression): Likewise.
 535         (process_scc): Clear the cached/simplified expressions at the
 536         start of the iteration.
 537         (free_scc_vn): Do not clear SSA_NAME_VALUE.
 538         (run_scc_vn): Remove broken special case in printing VNs.
 539         * tree-ssa-propagate.c (valid_gimple_rhs_p): Allow
 540         gimple-min-invariants and SSA names.
 541
 542 2008-07-14  Andreas Krebbel  <krebbel1@de.ibm.com>
 543
 544         * config/s390/s390.c: (s390_gimplify_va_arg) Unshare the args* tree.
 545
 546 2008-07-14  Richard Guenther  <rguenther@suse.de>
 547
 548         * tree-ssa-math-opts.c (execute_cse_reciprocals): Process
 549         SSA_NAME defs of calls.
 550         * gimple-pretty-print.c (dump_unary_rhs): Do not prefix
 551         CONSTRUCTOR with [constructor].
 552
 553 2008-07-14  Aldy Hernandez  <aldyh@redhat.com>
 554
 555         * config/alpha/alpha.c (va_list_skip_additions): Change
 556         GIMPLE_STMT_OPERAND to TREE_OPERAND.
 557
 558 2008-07-14  Jakub Jelinek  <jakub@redhat.com>
 559
 560         * tree-vect-transform.c (vect_create_data_ref_ptr): Update comment.
 561         * config/s390/s390.c (s390_va_start): Build MODIFY_EXPR instead of
 562         GIMPLE_MODIFY_STMT.
 563         (s390_gimplify_va_arg): Use gimplify_assign.
 564         * config/sh/sh.c (sh_va_start): Build MODIFY_EXPR instead of
 565         GIMPLE_MODIFY_STMT.
 566         (sh_gimplify_va_arg_expr): Use gimplify_assign.
 567         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
 568         * config/spu/spu.c (spu_va_start): Build MODIFY_EXPR instead of
 569         GIMPLE_MODIFY_STMT.
 570         (spu_gimplify_va_arg_expr): Use gimplify_assign.
 571         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
 572         Build MODIFY_EXPR instead of GIMPLE_MODIFY_STMT.
 573         (xstormy16_gimplify_va_arg_expr): Likewise.  Use gimplify_assign.
 574         * config/xtensa/xtensa.c (xtensa_va_start): Build MODIFY_EXPR
 575         instead of GIMPLE_MODIFY_STMT.
 576         (xtensa_gimplify_va_arg_expr): Use gimplify_assign.
 577
 578 2008-07-14  Aldy Hernandez  <aldyh@redhat.com>
 579
 580         * config/alpha/alpha.c (va_list_skip_additions): Rename
 581         GIMPLE_MODIFY_STMT to MODIFY_EXPR.
 582         (alpha_va_start): Same.
 583         (alpha_gimplify_va_arg_1): Use gimplify_assign.
 584         (alpha_gimplify_va_arg): Same.
 585         * config/frv/frv.c (frv_expand_builtin_va_start): Rename
 586         GIMPLE_MODIFY_STMT to MODIFY_EXPR.
 587         * config/ia64/ia64.c (ia64_gimplify_va_arg): Use gimplify_assign.
 588         * config/alpha/mips.c (mips_va_start): Rename GIMPLE_MODIFY_STMT to
 589         MODIFY_EXPR or use gimplify_assign when appropriate.
 590         (mips_gimplify_va_arg_expr): Same.
 591
 592 2008-07-14  Aldy Hernandez  <aldyh@redhat.com>
 593
 594         * config/rs6000/rs6000.c (rs6000_va_start): Change
 595         GIMPLE_MODIFY_STMT to MODIFY_EXPR.
 596         (rs6000_gimplify_va_arg): Use gimplify_assign.
 597         Build GIMPLE_GOTO directly.
 598
 599 2008-07-14  Aldy Hernandez  <aldyh@redhat.com>
 600
 601         * tree-dump.c (dequeue_and_dump): Remove GIMPLE_MODIFY_STMT case.
 602         * tree-ssa-loop-niter.c (simplify_replace_tree): Remove GIMPLE_STMT_P
 603         call.
 604         * tree-pretty-print.c (dump_generic_node): Remove any references to
 605         GIMPLE_MODIFY_STMT, GIMPLE_STMT_P, GIMPLE_TUPLE_P.
 606         (op_prio): Same.
 607         (op_symbol_code): Same.
 608         * java/java-gimplify.c (java_gimplify_expr): Same.
 609         (java_gimplify_modify_expr): Same.
 610         * java/java-tree.h: Rename GENERIC_NEXT to TREE_CHAIN.
 611         * tree-tailcall.c (find_tail_calls): Update comment.
 612         * tree.c (tree_code_class_string): Remove "gimple_stmt".
 613         (tree_node_kind): Remove "gimple statments".
 614         (tree_code_size): Remove tcc_gimple_stmt.
 615         (make_node_stat): Same.
 616         (copy_node_stat): Remove any references to
 617         GIMPLE_MODIFY_STMT, GIMPLE_STMT_P, GIMPLE_TUPLE_P, tcc_gimple_stmt,
 618         TS_GIMPLE_STATEMENT, GENERIC_TREE_OPERAND, GENERIC_TREE_TYPE,
 619         GIMPLE_TUPLE_HAS_LOCUS_P, GIMPLE_STMT_LOCUS, GIMPLE_STMT_BLOCK,
 620         IS_GIMPLE_STMT_CODE_CLASS, GIMPLE_STMT_BLOCK.
 621         (expr_align): Same.
 622         (tree_node_structure): Same.
 623         (build2_stat): Same.
 624         (set_expr_locus): Same.
 625         (walk_tree_1): Same.
 626         (tree_block): Same.
 627         (build_gimple_modify_stmt_stat): Remove.
 628         (expr_location): Remove.
 629         (set_expr_location): Remove.
 630         (expr_hash_location): Remove.
 631         (expr_locus): Remove.
 632         (expr_filename): Remove.
 633         (expr_lineno): Remove.
 634         (generic_tree_operand): Remove.
 635         (generic_tree_type): Remove.
 636         * tree.h (tree_code_class): Remove tcc_gimple_stmt.
 637         (IS_GIMPLE_STMT_CODE_CLASS): Remove.
 638         (struct gimple_stmt): Remove.
 639         (GIMPLE_STMT_CHECK): Remove.
 640         (TREE_OPERAND_CHECK): Remove GIMPLE_TUPLE_P.
 641         (TREE_CHAIN): Same.
 642         (GIMPLE_STMT_OPERAND_CHECK): Remove.
 643         (GIMPLE_STMT_OPERAND_CHECK): Remove.
 644         (GIMPLE_STMT_P): Remove.
 645         (GIMPLE_TUPLE_P): Remove.
 646         (GIMPLE_TUPLE_HAS_LOCUS_P): Remove.
 647         (GENERIC_TREE_OPERAND): Remove.
 648         (GENERIC_TREE_TYPE): Remove.
 649         (GENERIC_NEXT): Remove.
 650         (IS_CONVERT_EXPR_CODE_P): Rename GENERIC_TREE_TYPE to TREE_TYPE.
 651         (MOVE_NONTEMPORAL): Remove GIMPLE_MODIFY_STMT_CHECK.
 652         Remove GIMPLE_STMT_OPERAND, GIMPLE_STMT_LOCUS, GIMPLE_STMT_BLOCK.
 653         (EXPR_LOCATION, SET_EXPR_LOCATION, EXPR_HAS_LOCATION, EXPR_LOCUS,
 654         EXPR_FILENAME, EXPR_LINENO): Do ont call functions.
 655         (CAN_HAVE_LOCATION_P): Remove GIMPLE_STMT_P.
 656         (union tree_node): Remove gstmt.
 657         (build_gimple_modify_stmt*): Remove.
 658         (expr_location, set_expr_location, expr_has_location,
 659         expr_locus, expr_filename, expr_lineno, generic_tree_operand,
 660         generic_tree_type): Remove.
 661         * tree-scalar-evolution.c (follow_ssa_edge): Update comment.
 662         (interpret_condition_phi): Same.
 663         * gimple.h (gimplify_assign): New.
 664         * builtins.c, fold-const.c, omp-low.c, tree-ssa-dse.c, tree-gimple.c,
 665         tree-ssa-math-opts.c, tree-nrv.c, gimple-low.c, dwarf2out.c,
 666         expr.c, tree-parloops.c, matrix-reorg.c, c-decl.c, tree-eh.c,
 667         c-pretty-print.c, langhooks.c, function.c, tree-affine.c,
 668         gimplify.c, tree.def, cfgexpand.c, tree-predcom.c, print-tree.c,
 669         tree-ssa-ter.c, tree-ssa.c, tree-inline.c, gimple.c, gimple.h,
 670         tree-cfg.c, config/i386/i386.c, stmt.c, tree-ssa-operands.c)
 671         Remove any references to
 672         GIMPLE_MODIFY_STMT, GIMPLE_STMT_P, GIMPLE_TUPLE_P, tcc_gimple_stmt,
 673         TS_GIMPLE_STATEMENT, GENERIC_TREE_OPERAND, GENERIC_TREE_TYPE,
 674         GIMPLE_TUPLE_HAS_LOCUS_P, GIMPLE_STMT_LOCUS, GIMPLE_STMT_BLOCK,
 675         IS_GIMPLE_STMT_CODE_CLASS, GIMPLE_STMT_BLOCK.
 676         Call gimplify_assign or generate a GIMPLE_ASSIGN directly when
 677         appropriate.
 678
 679 2008-07-14  Jakub Jelinek  <jakub@redhat.com>
 680
 681         * cfgexpand.c (gimple_cond_pred_to_tree): New function.
 682         (gimple_to_tree) <case GIMPLE_COND>: Use it.
 683         (release_stmt_tree): New function.
 684         (expand_gimple_cond): Call just gimple_cond_pred_to_tree
 685         instead of gimple_to_tree, ggc_free pred before returning.
 686         (expand_gimple_tailcall): Call release_stmt_tree.
 687         (expand_gimple_basic_block): Call release_stmt_tree instead
 688         of ggc_free.
 689
 690         * gimplify.c (internal_get_tmp_var, gimplify_decl_expr,
 691         gimplify_init_ctor_eval, gimplify_target_expr): Call ggc_free
 692         on the INIT_EXPR.
 693
 694 2008-07-14  Richard Guenther  <rguenther@suse.de>
 695
 696         * tree-ssa-ccp.c (ccp_fold): Move ADDR_EXPR handing to
 697         GIMPLE_SINGLE_RHS case.
 698         * tree-ssa-ifcombine.c (ifcombine_iforif): Fix typo.
 699
 700 2008-07-14  Jakub Jelinek  <jakub@redhat.com>
 701
 702         * system.h (CONST_CAST2): Avoid using a union for all GCCs <= 4.0.x.
 703
 704 2008-07-12  Diego Novillo  <dnovillo@google.com>
 705
 706         * tree-loop-distribution.c: Tuplify.
 707         * tree-ssa-propagate.c (substitute_and_fold): Remove
 708         stale FIXME tuples note.
 709
 710 2008-07-11  Jakub Jelinek  <jakub@redhat.com>
 711
 712         * tree-dump.c (dump_options): Don't set TDF_RHS_ONLY for -all.
 713
 714         * omp-low.c (lower_omp_1): Only use rhs_predicate_for if
 715         GIMPLE_SINGLE_RHS.
 716
 717         * tree-vect-analyze.c (vect_determine_vectorization_factor): Handle
 718         GIMPLE_CALL with non-NULL lhs.
 719         (vect_build_slp_tree): Likewise.  Fix reversed check for references.
 720         * tree-vectorizer.c (stmt_vec_info_htab, stmt_vec_info_eq,
 721         stmt_vec_info_hash, init_stmt_vec_info_htab,
 722         free_stmt_vec_info_htab): Remove.
 723         (stmt_vec_info_vec): New variable.
 724         (init_stmt_vec_info_vec, free_stmt_vec_info_vec): New functions.
 725         (new_loop_vec_info): Clear stmt uid before calling
 726         set_vinfo_for_stmt.
 727         (vect_is_simple_use): Handle GIMPLE_CALL with non-NULL lhs.
 728         (vectorize_loops): Call {init,free}_stmt_vec_info_vec instead of
 729         {init,free}_stmt_vec_info_htab.
 730         * tree-parloops.c (parallelize_loops): Likewise.
 731         * tree-ssa-operands.c (get_expr_operands): Handle VEC_COND_EXPR.
 732         * tree-vectorizer.h (stmt_vec_info_htab): Removed.
 733         (init_stmt_vec_info_htab, free_stmt_vec_info_htab): Remove
 734         prototypes.
 735         (stmt_vec_info_vec): New extern decl.
 736         (init_stmt_vec_info_vec, free_stmt_vec_info_vec): New prototypes.
 737         (vinfo_for_stmt, set_vinfo_for_stmt): Rewritten using stmt uid
 738         and vector instead of a hash table.
 739         * tree-vect-patterns.c (vect_recog_pow_pattern): Request
 740         a GIMPLE_CALL with non-NULL lhs instead of GIMPLE_ASSIGN.
 741         (vect_pattern_recog_1): Use is_gimple_call instead of comparing
 742         gimple_code with GIMPLE_CALL.
 743         * gimple.c (gimple_rhs_class_table): Use GIMPLE_SINGLE_RHS for
 744         DOT_PROD_EXPR and VEC_COND_EXPR.
 745         * tree-vect-transform.c (vect_get_slp_vect_defs): Use gimple_get_lhs
 746         instead of gimple_assign_lhs.
 747         (get_initial_def_for_induction): Use build_int_cst even for
 748         pointers.  Use POINTER_PLUS_EXPR for POINTER_TYPE_P (scalar_type).
 749         (vect_get_vec_def_for_operand): Use is_gimple_call instead of
 750         comparing gimple_code with GIMPLE_CALL.
 751         (vectorizable_call): Likewise.  Use gimple_call_lhs instead of
 752         gimple_assign_lhs.  Build a vector of arguments, use
 753         gimple_build_call_vec.
 754         (vect_get_vec_def_for_stmt_copy): Use gimple_get_lhs.
 755         (vectorizable_live_operation): Handle GIMPLE_SINGLE_RHS operands.
 756
 757 2008-07-11  Doug Kwan  <dougkwan@google.com>
 758
 759         * gimple-dummy.c (vectorizable_induction, vectorizable_type_promotion,
 760         vectorizable_type_demotion, vectorizable_conversion,
 761         vectorizable_operation, vectorizable_assignment,
 762         vectorizable_load, vectorizable_call, vectorizable_store,
 763         vectorizable_condition, vectorizable_reduction,
 764         vectorizable_live_operation, vectorizable_function,
 765         vect_estimate_min_profitable_iters, vect_model_simple_cost,
 766         vect_model_store_cost, vect_model_load_cost, vect_transform_loop):
 767         Remove DUMMY_FNs.
 768         * tree-ssa-loop.c (gate_tree_vectorize): Reenable vectorizer.
 769         * tree-vectorizer.c (vect_is_simple_use): Fix handling of
 770         GIMPLE_NOP.
 771         * tree-vectorizer.h (vectorizable_load, vectorizable_store,
 772         vectorizable_operation, vectorizable_type_promotion,
 773         vectorizable_type_demotion, vectorizable_conversion,
 774         vectorizable_assignment, vectorizable_call, vectorizable_condition,
 775         vectorizable_live_operation, vectorizable_reduction,
 776         vectorizable_induction): Adjust prototypes.
 777         * tree-vect-transform.c (vectorizable_load, vectorizable_store,
 778         vectorizable_operation, vectorizable_type_promotion,
 779         vectorizable_type_demotion, vectorizable_conversion,
 780         vectorizable_assignment, vectorizable_call, vectorizable_condition,
 781         vectorizable_live_operation, vectorizable_reduction,
 782         vectorizable_induction, vect_transform_stmt,
 783         vect_create_data_ref_ptr, vect_create_addr_base_for_vector_ref,
 784         vect_get_vec_def_for_operand, vect_init_vector,
 785         vect_finish_stmt_generation, vect_create_epilog_for_reduction,
 786         get_initial_def_for_reduction, cost_for_stmt,
 787         vect_estimate_min_profitable_iters, vect_model_reduction_cost,
 788         vect_cost_strided_group_size, vect_model_load_cost, bump_vector_ptr,
 789         vect_get_constant_vectors, vect_get_slp_vect_defs,
 790         vect_get_slp_defs, get_initial_def_for_induction,
 791         vect_get_vec_def_for_stmt_copy, vect_get_vec_defs,
 792         vectorizable_function, vect_gen_widened_results_half,
 793         vect_permute_store_chain, vect_setup_realignment,
 794         vect_permute_load_chain, vect_transform_strided_load,
 795         vect_is_simple_cond, vect_build_loop_niters,
 796         vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
 797         vect_do_peeling_for_loop_bound, vect_gen_niters_for_prolog_loop,
 798         vect_do_peeling_for_alignment, vect_create_cond_for_align_checks,
 799         vect_create_cond_for_alias_checks, vect_loop_versioning,
 800         vect_remove_stores, vect_schedule_slp_instance,
 801         vect_transform_loop): Tuplify.
 802
 803 2008-07-10  Richard Guenther  <rguenther@suse.de>
 804
 805         * gimple.h (gimple_assign_ssa_name_copy_p): Declare.
 806         (gimple_has_lhs): New function.
 807         * gimple.c (gimple_assign_ssa_name_copy_p): New function.
 808         * tree-ssa-copy.c (propagate_tree_value_into_stmt): Remove
 809         redundant gimple_set_location call.
 810         * gimple-iterator.c (gsi_remove): Do not free stmt operands.
 811         * tree-ssa-structalias.c (find_func_aliases): Correctly let
 812         all things with pointers escape.
 813         * tree-pass.h (TDF_RHS_ONLY): New flag.
 814         * diagnostic.h (print_gimple_expr): Declare.
 815         * gimple-pretty-print.c (print_gimple_expr): New function.
 816         (dump_gimple_assign): Dump the RHS as expression if TDF_RHS_ONLY.
 817         (dump_gimple_call): Likewise.
 818         (dump_gimple_cond): Likewise.
 819         * tree-ssa-propagate.c (fold_predicate_in): Use print_gimple_expr.
 820         * tree-ssa-sccvn.c (visit_use): Use gimple_has_lhs.
 821         Use print_gimple_expr.  Handle tcc_expression correctly.
 822
 823 2008-07-09  Jakub Jelinek  <jakub@redhat.com>
 824
 825         * gimplify.c (struct gimplify_ctx): Move to tree-gimple.h.
 826         (push_gimplify_context): Don't allocate bind_expr_stack,
 827         temp_htab nor c itself here.  Add c argument.
 828         (pop_gimplify_context): Allow bind_expr_stack being NULL.  Check
 829         c->temp_htab instead of optimize whether htab_delete should be called.
 830         Don't free c.
 831         (gimple_push_bind_expr): Create bind_expr_stack lazily.
 832         (lookup_tmp_var): Create temp_htab lazily.
 833         (gimplify_scan_omp_clauses, gimplify_omp_parallel, gimplify_omp_task,
 834         gimplify_body, force_gimple_operand): Adjust push_gimplify_context
 835         callers.
 836         * omp-low.c (lower_omp_sections, lower_omp_single, lower_omp_master,
 837         lower_omp_ordered, lower_omp_critical, lower_omp_for,
 838         create_task_copyfn, lower_omp_taskreg, execute_lower_omp):
 839         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Likewise.
 840         * tree-sra.c (generate_element_init): Likewise.
 841         * tree-mudflap.c (execute_mudflap_function_ops,
 842         execute_mudflap_function_decls): Likewise.
 843         * tree-inline.c (setup_one_parameter, optimize_inline_calls): Likewise.
 844         * tree-gimple.h (struct gimplify_ctx): New type.
 845         (push_gimplify_context): Adjust prototype.
 846
 847         * gimple.h (gimple_rhs_class_table): New extern decl.
 848         (get_gimple_rhs_class): Change into inline.
 849         * gimple.c (get_gimple_rhs_class): Removed.
 850         (gimple_rhs_class_table): New variable.
 851
 852 2008-07-09  Doug Kwan  <dougkwan@google.com>
 853             Diego Novillo  <dnovillo@google.com>
 854
 855         * tree-ssa-ccp.c (fold_stmt_r): Remove gcc_unreachable
 856         call from COND_EXPR handler.
 857         * tree-if-conv.c: Tuplify.
 858         * gimple.c (gimple_could_trap_p_1): Factor out of ...
 859         (gimple_could_trap_p): ... here.
 860         Call it.
 861         (gimple_assign_rhs_could_trap_p): New.
 862         * gimple.h (gimple_assign_rhs_could_trap_p): Declare.
 863         * tree-ssa-operands.c (get_expr_operands): Handle
 864         COND_EXPR.
 865
 866 2008-07-08  Jakub Jelinek  <jakub@redhat.com>
 867
 868         Merge with mainline @137633.
 869
 870         * configure.ac (ACX_PKGVERSION): Update revision merge string.
 871         * configure: Regenerate.
 872
 873 2008-07-08  Jakub Jelinek  <jakub@redhat.com>
 874
 875         * tree-cfg.c (remove_useless_stmts_cond): Avoid calling
 876         fold_binary.
 877
 878 2008-07-07  Jakub Jelinek  <jakub@redhat.com>
 879
 880         * gimple-pretty-print.c (dump_gimple_return): Don't print space
 881         after return if return has no argument.
 882         (dump_gimple_seq): Don't print newline after last statement in
 883         the sequence.
 884         (dump_gimple_fmt, dump_gimple_try, dump_gimple_omp_for,
 885         dump_gimple_omp_single, dump_gimple_omp_sections,
 886         dump_gimple_omp_block, dump_gimple_omp_critical,
 887         dump_gimple_omp_parallel, dump_gimple_omp_task): Use
 888         newline_and_indent after dump_gimple_seq instead of INDENT.
 889         (dump_gimple_bind): Likewise.  If there are no bind vars, don't
 890         print two newlines before the sequence, just one.
 891         * tree-cfg.c (dump_function_to_file): Fix dumping lowered gimple
 892         before CFG is built.
 893
 894 2008-07-07  Diego Novillo  <dnovillo@google.com>
 895
 896         * tree-vrp.c (ssa_name_nonnegative_p): Tuplify.
 897         (ssa_name_nonzero_p): Tuplify.
 898         (extract_range_from_comparison): Tidy.
 899         (vrp_evaluate_conditional_warnv_with_ops): Tidy.
 900         (vrp_evaluate_conditional): Change STMT argument to gimple.
 901         Update all users.
 902         (simplify_stmt_for_jump_threading): Change WITHIN_STMT argument
 903         to gimple.
 904         Update all users.
 905         (identify_jump_threads): Tidy.
 906         * tree-tailcall.c (find_tail_calls): Remove stale FIXME note.
 907         * tree.c (tree_node_structure): Likewise.
 908         * tree.h (struct tree_base): Likewise.
 909         (struct gimple_stmt): Likewise.
 910         * builtins.c (expand_builtin_memcpy): Likewise.
 911         (expand_builtin_memset_args): Likewise.
 912         * tree-chrec.h (build_polynomial_chrec): Do not initialize VAL.
 913         * tree-ssa-ccp.c (fold_stmt_r): Do not handle COND_EXPR.
 914         (fold_stmt): Remove #if 0 code.
 915         * tree-ssa-dom.c (EXTRA_DETAILS): Remove.
 916         Update all users.
 917         (hashable_expr_equal_p): Remove stale FIXME note.
 918         (simplify_stmt_for_jump_threading): Convert WITHIN_STMT
 919         argument to gimple.  Update all users.
 920         * tree-ssa-propagate.c: Include gimple.h
 921         (get_rhs): Remove.
 922         (set_rhs): Remove.
 923         (fold_predicate_in): Tuplify.
 924         * Makefile.in (tree-ssa-propagate.o): Add dependency on
 925         GIMPLE_H.
 926         * tree-ssa-propagate.h (get_rhs, set_rhs): Remove.
 927         * tree-parloops.c (create_parallel_loop): Remove FIXME
 928         tuples note.
 929         * tree-eh.c (lookup_stmt_eh_region): Remove FIXME tuples
 930         editorial note.
 931         * cfgexpand.c (gimple_to_tree): Likewise.
 932         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Tidy.
 933         Do not handle GIMPLE_BIND.
 934         * tree-inline.c (remap_gimple_op_r): Remove stale FIXME notes.
 935         * tree-optimize.c (execute_fixup_cfg): Likewise.
 936         * tree-flow.h (struct tree_ann_common_d): Remove stale
 937         FIXME tuples notes.
 938         (tree_vrp_evaluate_conditional): Change last argument type to
 939         gimple.  Update all users.
 940         (thread_across_edge): Likewise.
 941         * gimple.c (gimple_has_side_effects): If any argument has
 942         TREE_SIDE_EFFECTS set, assert that S has volatile operands.
 943         (gimple_rhs_has_side_effects): Likewise.
 944         * gimple.h (gimple_phi_capacity): Remove stale FIXME tuples note.
 945         * tree-cfg.c (group_case_labels): Remove FIXME tuples note.
 946         Assert that the new size is smaller than the old size.
 947         (remove_useless_stmts_warn_notreached): Remove #if 0 code.
 948         (remove_useless_stmts_cond): Remove stale FIXME tuples note.
 949         (remove_useless_stmts_1): Likewise.
 950         (verify_types_in_gimple_assign): Likewise.
 951         * passes.c (init_optimization_passes): Re-enable
 952         pass_ipa_increase_alignment.
 953         * tree-ssa-threadedge.c
 954         (record_temporary_equivalences_from_stmts_at_dest):
 955         Change SIMPLIFY to accept two arguments of type gimple.
 956         Update all users.
 957         (simplify_control_stmt_condition): Likewise.
 958         (thread_accross_edge): Likewise.
 959         * tree-ssa-operands.c (add_call_clobber_ops): Re-enable
 960         calls to ipa_reference_get_not_read_globals and
 961         ipa_reference_get_not_written_global.
 962
 963 2008-07-07  Aldy Hernandez  <aldyh@redhat.com>
 964
 965         * tree-ssa-dom.c: Remove FIXME tuples.
 966
 967 2008-07-07  Aldy Hernandez  <aldyh@redhat.com>
 968
 969         * tree-cfg.c (verify_types_in_gimple_assign): Remove
 970         FIXME tuples.
 971
 972 2008-07-04  Jakub Jelinek  <jakub@redhat.com>
 973
 974         * cfgexpand.c (gimple_to_tree) <case GIMPLE_CALL>: Copy
 975         CALL_EXPR_VA_ARG_PACK.
 976
 977         * gimple.c (gimple_build_bind): Set gimple_bind_block rather
 978         than gimple_block.
 979         (gimple_copy) <case GIMPLE_BIND>: Don't unshare gimple_bind_block.
 980
 981         * gimple.h (GF_ASM_INPUT, GF_ASM_VOLATILE, GF_CALL_CANNOT_INLINE,
 982         GF_CALL_FROM_TRUNK, GF_CALL_RETURN_SLOT_OPT, GF_CALL_TAILCALL,
 983         GF_CALL_VA_ARG_PACK, GF_OMP_PARALLEL_COMBINED, GF_OMP_RETURN_NOWAIT,
 984         GF_OMP_SECTION_LAST, GF_PREDICT_TAKEN): Change from static const ints
 985         into enum values.
 986         (struct gimple_statement_base): Move subcode after flags to make it
 987         16-bit aligned.
 988
 989         * tree-ssa-structalias.c (find_func_aliases): Handle ADDR_EXPR
 990         as GIMPLE_SINGLE_RHS instead of GIMPLE_UNARY_RHS.
 991
 992         * tree-ssa-operands.c (get_expr_operands): Don't handle
 993         OMP_FOR, OMP_PARALLEL, OMP_TASK, OMP_SECTIONS and PREDICT_EXPR
 994         here.
 995
 996         * gimple.def (GIMPLE_PREDICT): New.
 997         * gimple.h: Update comment above GF_* flags.
 998         (GF_PREDICT_TAKEN): New.
 999         (gimple_build_predict): New prototype.
1000         (gimple_predict_predictor, gimple_predict_outcome,
1001         gimple_predict_set_predictor, gimple_predict_set_outcome): New
1002         inlines.
1003         * gimple.c (gss_for_code): Handle GIMPLE_PREDICT.
1004         (gimple_size, walk_gimple_op): Likewise.
1005         (gimple_build_predict): New function.
1006         * gimple-pretty-print.c (dump_gimple_stmt): Handle GIMPLE_PREDICT.
1007         * predict.c (tree_bb_level_predictions): Likewise.
1008         * cfgexpand.c (gimple_to_tree): Likewise.
1009         * tree-inline.c (estimate_num_insns): Likewise.
1010         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
1011         * gimple-low.c (lower_stmt): Likewise.
1012         * tree-cfg.c (verify_types_in_gimple_seq_2): Likewise.
1013         (verify_types_in_gimple_stmt): Likewise.  Don't handle PREDICT_EXPR.
1014         * gimplify.c (gimplify_expr): Gimplify PREDICT_EXPR into
1015         GIMPLE_PREDICT.
1016         * expr.c (expand_expr_real): Don't handle PREDICT_EXPR.
1017
1018 2008-07-04  Aldy Hernandez  <aldyh@redhat.com>
1019
1020         * tree-ssa-forwprop.c (rhs_to_tree): Remove fixme.
1021         (forward_propagate_into_cond): Add comment.
1022         (forward_propagate_into_gimple_cond): Add comment.
1023         (forward_propagate_addr_expr_1): Enable optimization.
1024
1025 2008-07-04  David Edelsohn  <edelsohn@gnu.org>
1026
1027         Revert:
1028         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Unshare t.
1029
1030         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Unshare reg.
1031
1032 2008-07-03  David Edelsohn  <edelsohn@gnu.org>
1033
1034         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Unshare t.
1035
1036 2008-07-03  Doug Kwan  <dougkwan@google.com>
1037
1038         * gimple-dummy.c (vectorizable_function): New dummy.
1039         (vect_pattern_recog): Remove dummy.
1040         * tree-vectorizer.h (vect_recog_func_ptr): Adjust types for tuples.
1041         * tree-vect-patterns.c (File): Re-enable all code.
1042         (widened_name_p): Tuplify.
1043         (vect_recog_temp_ssa_var): New.
1044         (vect_recog_dot_prod_pattern): Tuplify.
1045         (vect_recog_widen_mult_pattern): Same.
1046         (vect_recog_pow_pattern): Same.
1047         (vect_recog_widen_sum_pattern): Same.
1048         (vect_pattern_recog_1): Tuplify. Factor out code to create SSA
1049         temporaries to vect_recog_temp_ssa_var.  Remove code for building
1050         assignment statement.
1051         (vect_pattern_recog): Tuplify.
1052
1053 2008-07-03  Janis Johnson  <janis187@us.ibm.com>
1054             David Edelsohn  <edelsohn@gnu.org>
1055
1056         * config/rs6000/rs6000.c (rs6000_va_start): Unshare valist.
1057         (rs6000_gimplify_va_arg): Unshare valist, reg, addr, ovf.
1058
1059 2008-07-03  Jakub Jelinek  <jakub@redhat.com>
1060
1061         * tree-inline.c (remap_gimple_op_r): Remap TREE_BLOCK of
1062         expressions.
1063
1064         * tree-switch-conversion.c (gen_inbound_check): Force RHS to be
1065         gimple operand.  Use fold_build* instead of build*.
1066         (build_arrays): Likewise.  Convert RHS to LHS's type.
1067
1068         * tree-switch-conversion.c (struct switch_conv_info): Change
1069         arr_ref_first and arr_ref_last to gimple.
1070         (check_range, check_final_bb, gather_default_values,
1071         build_constructors, build_one_array, build_arrays, gen_def_assign,
1072         fix_phi_nodes, gen_inbound_check, process_switch, do_switchconv):
1073         Tuplify.
1074         (create_temp_arrays): Formatting.
1075
1076         * gimple.h (gimple_try_set_kind): New inline function.
1077         * tree-eh.c (same_handler_p, optimize_double_finally,
1078         refactor_eh_r, refactor_eh): Tuplify.
1079         * passes.c (init_optimization_passes): Reenable pass_refactor_eh.
1080
1081 2008-07-02  Jakub Jelinek  <jakub@redhat.com>
1082
1083         * tree-parloops.c (struct reduction_info): Change reduc_stmt,
1084         reduc_phi, keep_res and new_phi field types to gimple.
1085         (struct elv_data): Add info field.
1086         (reduction_phi, loop_parallel_p, take_address_of,
1087         initialize_reductions, eliminate_local_variables_stmt,
1088         eliminate_local_variables, expr_invariant_in_region_p,
1089         separate_decls_in_region_name, separate_decls_in_region_stmt,
1090         create_phi_for_local_result, create_call_for_reduction_1,
1091         create_call_for_reduction, create_loads_for_reductions,
1092         create_final_loads_for_reduction, create_stores_for_reduction,
1093         create_loads_and_stores_for_name, separate_decls_in_region,
1094         canonicalize_loop_ivs, transform_to_exit_first_loop,
1095         create_parallel_loop, gen_parallel_loop,
1096         loop_has_vector_phi_nodes, parallelize_loops): Tuplify.
1097         * tree-cfg.c (gimple_duplicate_sese_tail): Tuplify.
1098         (move_block_to_fn): Don't call gsi_next after calling
1099         remove_phi_node.
1100
1101 2008-07-02  Aldy Hernandez  <aldyh@redhat.com>
1102             Richard Guenther  <rguenther@suse.de>
1103
1104         * tree-ssa-forwprop.c (can_propagate_from): Exclude loads
1105         from decls explicitly.
1106         (gate_forwprop): Enable.
1107
1108 2008-07-02  Jakub Jelinek  <jakub@redhat.com>
1109
1110         * tree-vectorizer.h (vinfo_for_stmt): Use htab_find_slot_with_hash.
1111         (set_vinfo_for_stmt): Likewise.  If info is NULL, delete entry from
1112         hash table.
1113         * tree-vectorizer.c (stmt_vec_info_eq, stmt_vec_info_hash): New
1114         functions.
1115         (init_stmt_vec_info_htab): Use them instead of htab_hash_pointer
1116         and htab_eq_pointer.
1117         (free_stmt_vec_info): Free stmt_info only after set_vinfo_for_stmt
1118         call.
1119
1120         Merge with mainline @137346.
1121
1122         * configure.ac (ACX_PKGVERSION): Update revision merge string.
1123         * configure: Regenerate.
1124         * builtins.c (gimple_rewrite_call_expr): Fix -Wc++-compat and/or
1125         -Wcast-qual warnings.
1126         * gimple.c (gimple_alloc_stat, gimple_build_omp_for,
1127         gimple_range_check_failed, gimple_copy): Likewise.
1128         * tree-mudflap.c (mx_xfn_xform_decls): Likewise.
1129         * tree-nested.c (convert_nonlocal_reference_stmt,
1130         convert_local_reference_stmt): Likewise.
1131         * gimple-iterator.c (gsi_insert_before_without_update,
1132         gsi_insert_after_without_update): Likewise.
1133         * tree-ssa-loop-im.c (init_lim_data, get_lim_data,
1134         clear_lim_data): Likewise.
1135         * tree-ssa-sccvn.c (vn_nary_op_insert_stmt): Likewise.
1136         * tree-vrp.c (check_all_array_refs): Likewise.
1137         * value-prof.c (histogram_eq): Likewise.
1138         * cgraphbuild.c (record_reference): Don't handle OMP_PARALLEL
1139         and OMP_TASK here.
1140         (build_cgraph_edges): Handle GIMPLE_OMP_{PARALLEL,TASK}.
1141         * cgraph.c (cgraph_add_new_function): Call gimple_register_cfg_hooks
1142         instead of tree_register_cfg_hooks.
1143         * omp-low.c (finalize_task_copyfn): Ensure the new function's
1144         body is a gimple_seq with just GIMPLE_BIND in it.
1145         (scan_omp_1_stmt): Fix -Wc++-compat and/or -Wcast-qual warnings.
1146         * tree-cfg.c (move_stmt_op, have_similar_memory_accesses_1,
1147         ref_base_address_1): Likewise.
1148         (move_stmt_r): Handle gimple_block updating.
1149         * tree-ssa-alias.c (update_alias_info_1): Tuplify.
1150         (update_alias_info): Likewise.
1151         * tree-switch-conversion.c: Stub out temporarily.
1152
1153 2008-06-30  Aldy Hernandez  <aldyh@redhat.com>
1154
1155         * tree-ssa-forwprop.c: Remove obsolete comment.
1156         (get_prop_source_stmt): Wrap call to gimple_assign_lhs with a
1157         TREE_TYPE.
1158         (forward_propagate_comparison): Use build2 instead of
1159         fold_binary.
1160
1161 2008-06-27  Diego Novillo  <dnovillo@google.com>
1162
1163         * cfgexpand.c (gimple_assign_rhs_to_tree): Factor out of ...
1164         (gimple_to_tree): ... here.
1165         Update comments referring to mainline merge.
1166         * tree-ssa-ter.c: Tuplify.
1167         * tree-outof-ssa.c (gimple_assign_rhs_to_tree): Declare.
1168         (replace_use_variable): Call it.
1169         (rewrite_trees): Tuplify.
1170         (remove_ssa_form): Call it.
1171         * gimple.h: Tidy some formatting.
1172         * ipa-struct-reorg.c: Include gimple.h
1173         * Makefile.in (ipa-struct-reorg.o): Add dependency on
1174         GIMPLE_H.
1175
1176 2008-06-27  Richard Guenther  <rguenther@suse.de>
1177
1178         * tree-ssa-sccvn.c (vn_get_expr_for): New function.
1179         (vuses_to_vec): Tuplify.
1180         (copy_vuses_from_stmt): Likewise.
1181         (vdefs_to_vec): Likewise.
1182         (copy_vdefs_from_stmt): Likewise.
1183         (shared_vuses_from_stmt): Likewise.
1184         (copy_reference_ops_from_call): New function split out from
1185         copy_reference_ops_from_ref.
1186         (create_reference_ops_from_call): New function.
1187         (shared_reference_ops_from_call): Likewise.
1188         (get_def_ref_stmt_vuses): Tuplify.
1189         (vn_reference_lookup): Likewise.
1190         (vn_nary_op_lookup_stmt): New function.
1191         (vn_nary_op_insert_stmt): Likewise.
1192         (vn_phi_lookup): Tuplify.
1193         (vn_phi_insert): Likewise.
1194         (defs_to_varying): Likewise.
1195         (visit_unary_op): Likewise.
1196         (visit_binary_op): Likewise.
1197         (visit_reference_op_call): New function.
1198         (visit_reference_op_load): Tuplify.
1199         (visit_reference_op_store): Likewise.
1200         (visit_phi): Likewise.
1201         (stmt_has_constants): New function.
1202         (simplify_binary_expression): Tuplify.
1203         (simplify_unary_expression): Likewise.
1204         (try_to_simplify): Likewise.
1205         (visit_use): Likewise.
1206         (compare_ops): Likewise.
1207         (DFS): Likewise.
1208         (run_scc_vn): Likewise.
1209         * tree-ssa-sccvn.h (shared_vuses_from_stmt): Adjust prototype.
1210         (copy_vuses_from_stmt): Likewise.
1211         (vn_get_expr_for): Declare.
1212         (vn_nary_op_lookup_stmt): Likewise.
1213         (vn_nary_op_insert_stmt): Likewise.
1214         * tree-dfa.c (get_single_def_stmt): Tuplify.
1215         (get_single_def_stmt_from_phi): Likewise.
1216         (get_single_def_stmt_with_phi): Likewise.
1217         * tree-ssa-pre.c (do_SCCVN_insertion): Use vn_get_expr_for.
1218         (eliminate): Likewise.
1219         (execute_pre): Enable SCCVN.
1220         (gate_fre): Enable.
1221         * tree-flow.h (get_single_def_stmt): Adjust prototype.
1222         (get_single_def_stmt_from_phi): Likewise.
1223         (get_single_def_stmt_with_phi): Likewise.
1224         (vn_lookup_or_add_with_stmt): Likewise.
1225         (vn_lookup_with_stmt): Likewise.
1226         * gimple.c (gimple_fold): Fix.
1227         * tree-vn.c (vn_add): Disable call to add_to_value.
1228         (vn_add_with_vuses): Likewise.
1229         (vn_lookup_with_stmt): Tuplify.
1230         (vn_lookup_or_add_with_stmt): Likewise.
1231
1232 2008-06-27  Aldy Hernandez  <aldyh@redhat.com>
1233
1234         * gimple.c (gimple_cond_get_ops_from_tree): Handle TRUTH_NOT_EXPR.
1235
1236 2008-06-25  Diego Novillo  <dnovillo@google.com>
1237
1238         * gimple.h (enum gimple_rhs_class): Move from tree-gimple.h
1239         (struct gimple_statement_base): Change CODE field to 8
1240         bits.
1241         Change SUBCODE field to 16 bits.
1242         (gimple_set_subcode): Move to gimple.c.
1243         (gimple_subcode): Remove.
1244         (gimple_expr_type): Handle GIMPLE_ASSIGN, GIMPLE_CALL and
1245         GIMPLE_COND explicitly.
1246         Move earlier in the file.
1247         (gimple_expr_code): New.
1248         (gimple_omp_subcode): New.
1249         (gimple_omp_set_subcode): New.
1250         (gimple_omp_return_nowait_p): Call gimple_omp_subcode.
1251         (gimple_omp_section_last_p): Likewise.
1252         (gimple_omp_parallel_combined_p): Likewise.
1253         (gimple_assign_rhs_code): New.
1254         (gimple_assign_set_rhs_code): New.
1255         (gimple_assign_cast_p): Call gimple_assign_rhs_code.
1256         Handle VIEW_CONVERT_EXPR.
1257         (gimple_call_tail_p): Access subcode field directly.
1258         (gimple_call_cannot_inline_p): Likewise.
1259         (gimple_call_return_slot_opt_p): Likewise.
1260         (gimple_call_from_thunk_p): Likewise.
1261         (gimple_call_va_arg_pack_p): Likewise.
1262         (gimple_call_copy_flags): Likewise.
1263         (gimple_cond_code): Likewise.
1264         (gimple_cond_set_code): Likewise.
1265         (gimple_cond_make_false): Likewise.
1266         (gimple_cond_make_true): Likewise.
1267         (gimple_asm_volatile_p): Likewise.
1268         (gimple_asm_input_p): Likewise.
1269         (gimple_eh_filter_must_not_throw): Likewise.
1270         (gimple_eh_filter_set_must_not_throw): Likewise.
1271         (gimple_try_kind): Likewise.
1272         (gimple_try_catch_is_cleanup): Likewise.
1273         (gimple_wce_cleanup_eh_only): Likewise.
1274
1275         * tree-vrp.c (simplify_div_or_mod_using_ranges): Call
1276         gimple_assign_set_rhs_code instead of gimple_set_subcode.
1277         (simplify_abs_using_ranges): Likewise.
1278         * tree-complex.c (init_dont_simulate_again): Call
1279         gimple_expr_code instead of gimple_subcode.
1280         (complex_visit_stmt): Likewise.
1281         (expand_complex_move): Call gimple_assign_rhs_code
1282         instead of gimple_subcode.
1283         (expand_complex_operations_1): Likewise.
1284         * value-prof.c (gimple_divmod_fixed_value): Likewise.
1285         (gimple_mod_pow2): Likewise.
1286         (gimple_mod_subtract): Likewise.
1287         (gimple_divmod_values_to_profile): Likewise.
1288         * tree-ssa-alias-warnings.c (find_alias_site_helper):
1289         Call gimple_assign_cast_p.
1290         (already_warned_in_frontend_p): Likewise.
1291         * gimple.def: Add comments warning about code orderings.
1292         * omp-low.c (expand_omp_taskreg): Call gimple_omp_set_subcode.
1293         (expand_omp_atomic_fetch_op): Call gimple_assign_rhs_code.
1294         * tree-gimple.c (get_gimple_rhs_class): Move to gimple.c
1295         (get_gimple_rhs_num_ops): Likewise.
1296         (gimple_assign_rhs_code): Move to gimple.h.
1297         * tree-gimple.h (enum gimple_rhs_class): Move to gimple.h.
1298         * tree-ssa-ccp.c (fold_gimple_assign): Call
1299         gimple_assign_rhs_code instead of gimple_subcode.
1300         * tree-stdarg.c (va_list_counter_bump): Likewise.
1301         (check_all_va_list_escapes): Likewise.
1302         (execute_optimize_stdarg): Likewise.
1303         * tree-ssa-math-opts.c (is_division_by): Likewise.
1304         (replace_reciprocal): Likewise.
1305         (execute_cse_reciprocals): Likewise.
1306         (execute_convert_to_rsqrt): Likewise.
1307         * tree-ssa-dom.c (initialize_hash_element): Likewise.
1308         (simple_iv_increment_p): Likewise.
1309         (gimple_assign_unary_useless_conversion_p): Likewise.
1310         * tree-ssa-alias.c (is_escape_site): Call gimple_assign_cast_p.
1311         * predict.c (expr_expected_value_1): Call gimple_assign_rhs_code
1312         instead of gimple_subcode.
1313         * tree-eh.c (tree_could_trap_p): Call gimple_expr_code
1314         instead of gimple_subcode.
1315         * ipa-type-escape.c (is_array_access_through_pointer_and_index):
1316         Call gimple_assign_rhs_code instead of gimple_subcode.
1317         (check_assign): Likewise.
1318         * gimplify.c (gimplify_omp_parallel): Call gimple_omp_set_subcode
1319         instead of gimple_set_subcode.
1320         * tree-mudflap.c (mf_xform_derefs): Call gimple_assign_rhs_code
1321         instead of gimple_subcode.
1322         * tree-ssa-forwprop.c (get_prop_source_stmt): Likewise.
1323         (can_propagate_from): Likewise.
1324         (remove_prop_source_from_use): Likewise.
1325         (forward_propagate_addr_into_variable_array): Likewise.
1326         * tree-object-size.c (plus_stmt_object_size): Likewise.
1327         (collect_object_sizes_for): Likewise.
1328         (check_for_plus_in_loops_1): Likewise.
1329         (check_for_plus_in_loops): Likewise.
1330         * gimple.c (gimple_set_subcode): Move from gimple.h
1331         (gimple_check_failed): Access subcode field directly.
1332         (gimple_assign_single_p): Call gimple_assign_rhs_code
1333         instead of gimple_subcode.
1334         (gimple_assign_unary_nop_p): Likewise.
1335         (gimple_get_lhs): Change argument type to const_gimple.
1336         (gimple_could_trap_p): Call gimple_assign_rhs_code
1337         instead of gimple_subcode.
1338         (get_gimple_rhs_class): Move from tree-gimple.c.
1339         (get_gimple_rhs_num_ops): Likewise.
1340         * tree-ssa-structalias.c (update_alias_info): Call
1341         gimple_assign_rhs_code instead of gimple_subcode.
1342         (find_func_aliases): Likewise.
1343         * tree-ssa-threadedge.c (record_temporary_equivalences_from_phis):
1344         Likewise.
1345
1346 2008-06-25  Doug Kwan  <dougkwan@google.com>
1347
1348         * gimple-dummy.c: (vect_free_slp_tree) Remove dummy.
1349         (vect_analyze_loop): Same.
1350         (vectorizable_induction): New dummy.
1351         (vectorizable_type_promotion): Same.
1352         (vectorizable_type_demotion): Same.
1353         (vectorizable_conversion): Same.
1354         (vectorizable_operation): Same.
1355         (vectorizable_assignment): Same.
1356         (vectorizable_load): Same.
1357         (vectorizable_call): Same.
1358         (vectorizable_store): Same.
1359         (vectorizable_condition): Same.
1360         (vectorizable_reduction): Same.
1361         (vectorizable_live_operation): Same.
1362         (vect_estimate_min_profitable_iters): Same.
1363         (vect_model_simple_cost): Same.
1364         (vect_model_store_cost): Same.
1365         (vect_model_load_cost): Same.
1366         (vect_pattern_recog): Same.
1367         * tree-vectorizer.h (struct _stmt_vec_info): Change fields FIRST_DR
1368         and NEXT_DR from tree to gimple type.
1369         (vectorizable_load): Change type of parameter STMT to gimple.
1370         (vectorizable_store): Same.
1371         (vectorizable_operation): Same.
1372         (vectorizable_type_promotion): Same.
1373         (vectorizable_type_demotion): Same.
1374         (vectorizable_conversion): Same.
1375         (vectorizable_assignment): Same.
1376         (vectorizable_function): Same.
1377         (vectorizable_call): Same.
1378         (vectorizable_condition): Same.
1379         (vectorizable_live_operation): Same.
1380         (vectorizable_reduction): Same.
1381         (vectorizable_induction): Same.
1382         * tree-vect-analyze.c (File): Re-enable all previously disabled code.
1383         (vect_determine_vectorization_factor): Tuplify.
1384         (vect_analyze_operations): Same.
1385         (exist_non_indexing_operands_for_use_p): Same.
1386         (vect_analyze_scalar_cycles_1): Same.
1387         (vect_insert_into_interleaving_chain): Same.
1388         (vect_same_range_drs): Same.
1389         (vect_compute_data_ref_alignment): Same.
1390         (vect_verify_datarefs_alignment): Same.
1391         (vector_alignment_reachable_p): Same.
1392         (vect_enhance_data_refs_alignment): Same.
1393         (vect_analyze_group_access): Same.
1394         (vect_analyze_data_ref_access): Same.
1395         (vect_free_slp_tree): Same.
1396         (vect_get_and_check_slp_defs): Same.
1397         (vect_build_slp_tree): Same.
1398         (vect_print_slp_tree): Same.
1399         (vect_mark_slp_stmts): Same.
1400         (vect_analyze_slp_instance): Same.
1401         (vect_analyze_slp): Same.
1402         (vect_detect_hybrid_slp_stmts): Same.
1403         (vect_analyze_data_refs): Same.
1404         (vect_mark_relevant): Same.
1405         (process_use): Same.
1406         (vect_mark_stmts_to_be_vectorized): Same.
1407         (vect_can_advance_ivs_p): Same.
1408         (vect_get_loop_niters): Same.
1409         (vect_analyze_loop_form): Same.
1410
1411 2008-06-25  Diego Novillo  <dnovillo@google.com>
1412
1413         * tree-vectorizer.c (hash_gimple_stmt): Remove.
1414         (eq_gimple_stmt): Remove.
1415         (init_stmt_vec_info_htab): Use htab_hash_pointer and
1416         htab_eq_pointer for STMT_VEC_INFO_HTAB.
1417
1418 2008-06-24  Doug Kwan  <dougkwan@google.com>
1419
1420         * gimple-dummy.c (vect_set_verbosity_level): Remove.
1421         (vectorize_loops): Same.
1422         (vect_free_slp_tree): New dummy.
1423         (vect_analyze_loop): Same.
1424         (vect_transform_loop): Same.
1425         * tree-vectorize.c (hashtab.h): New include.
1426         (File): Re-enable all previously commented out code.
1427         (stmt_vec_info_htab): New var.
1428         (rename_variables_in_bb): Tuplify.
1429         (slpeel_update_phis_for_duplicate_loop): Same.
1430         (slpeel_update_phi_nodes_for_guard1): Same.
1431         (slpeel_update_phi_nodes_for_guard2): Same.
1432         (slpeel_make_loop_iterate_ntimes): Same.
1433         (slpeel_tree_duplicate_loop_to_edge_cfg): Same.
1434         (slpeel_add_loop_guard): Same.
1435         (slpeel_can_duplicate_loop_p): Same.
1436         (set_prologue_iterations): Same.
1437         (find_loop_location): Same.
1438         (new_stmt_vec_info): Same.
1439         (hash_gimple_stmt): New function.
1440         (init_stmt_vec_info_htab): New function.
1441         (free_stmt_vec_info_htab): New function.
1442         (free_stmt_vec_info): Replace statement info with hash table entry.
1443         (new_loop_vec_info): Tuplify.
1444         (destroy_loop_vec_info): Same.
1445         (vect_supportable_dr_alignment): Same
1446         (vect_is_simple_use): Same.
1447         (supportable_widening_operation): Same.
1448         (supportable_narrowing_operation): Same.
1449         (report_vec_op): New function. Code factored out from ...
1450         (vect_is_simple_reduction): Call it. Tuplify.
1451         (vectorize_loops): Set up and tear down stmt_vec_info hash table.
1452         * tree-vectorizer.h (struct _slp_tree): Change statement fields
1453         (struct _loop_vec_info): Same.
1454         (struct _stmt_vec_info):
1455         (nested_in_vect_loop): Re-enable.
1456         (init_stmt_vec_info_htab): New prototype.
1457         (free_stmt_vec_info_htab): New prototype.
1458         (vinfo_for_stmt): Use hash table instead of statement info.
1459         (set_stmt_info): Remove.
1460         (set_vinfo_for_stmt): New inline.
1461         (is_pattern_stmt_p): Tuplify.
1462         (vect_is_simple_use): Tuplify prototype.
1463         (vect_is_simple_reduction): Same.
1464         (supportable_widening_operation): Same.
1465         (supportable_narrowing_operation): Same.
1466         (new_stmt_vec_info): Same.
1467         (free_stmt_vec_info): Same.
1468         Makefile.in (tree-vectorize.o): Add HASTAB_H dependency.
1469
1470 2008-06-22  Andrew Pinski  <pinskia@gmail.com>
1471
1472         * gimple-pretty-print.c (dump_binary_rhs): Print out MIN_EXPR and
1473         MAX_EXPR specially.
1474
1475 2008-06-20  Doug Kwan  <dougkwan@google.com>
1476
1477         * tree-loop-linear.c (File): Re-enable all previously disabled code.
1478         (gather_interchange_stats): Tuplify.
1479         (linear_transform_loops): Likewise.
1480         * gimple-dummy.c (get_type): Remove unused dummy.
1481         (ipa_add_method): Same.
1482         (ipa_callsite_callee): Same.
1483         (ipa_callsite_compute_count): Same.
1484         (ipa_callsite_compute_param): Same.
1485         (ipa_callsite_param): Same.
1486         (ipa_callsite_param_count): Same.
1487         (ipa_callsite_param_count_set): Same.
1488         (ipa_edges_create): Same.
1489         (ipa_edges_free): Same.
1490         (ipa_free): Same.
1491         (ipa_jf_get_info_type): Same.
1492         (ipa_method_compute_modify): Same.
1493         (ipa_method_compute_tree_map): Same.
1494         (ipa_method_formal_compute_count): Same.
1495         (ipa_method_formal_count): Same.
1496         (ipa_method_formal_count_set): Same.
1497         (ipa_method_get_tree): Same.
1498         (ipa_method_modify_print): Same.
1499         (ipa_method_tree_print): Same.
1500         (ipa_methodlist_init): Same.
1501         (ipa_methodlist_not_empty): Same.
1502         (ipa_node_create): Same.
1503         (ipa_nodes_create): Same.
1504         (ipa_nodes_free): Same.
1505         (ipa_remove_method): Same.
1506         (vec_set_verbosity_level): Same.
1507         * tree-ssa-loop.c (tree_linear_transform): Re-enable.
1508
1509 2008-06-19  Jan Hubicka  <jh@suse.cz>
1510
1511         * gimple.c (gimple_alloc): Annotate with MEM_STAT_INFO
1512         (gimple_build_with_ops): Likewise.
1513         (gimple_build_assign): Likewise.
1514         (gimple_build_assign_with_ops): Likewise.
1515         * gimple.h (gimple_build_assign, gimple_build_assign_with_ops):
1516         Annotate with MEM_STAT_INFO.
1517
1518 2008-06-17  Jan Hubicka  <jh@suse.cz>
1519
1520         * config/i386.c (ix86_gimplify_va_arg): Fix sharing issue.
1521
1522 2008-06-17  Jan Hubicka  <jh@suse.cz>
1523
1524         * gimplify.c (gimplify_modify_expr): Unshare only returned value when
1525         want_value is set instead of copying operands all the time.
1526
1527 2008-06-17  Diego Novillo  <dnovillo@google.com>
1528
1529         * tree-ssa-loop-niter.c (get_val_for): Fix FIXME note.
1530
1531 2008-06-17  Steven Bosscher  <stevenb.gcc@gmail.com>
1532
1533         * gimple-dummy.c (canonicalize_induction_variables): Remove dummy.
1534         (remove_empty_loops): Likewise.
1535         (tree_unroll_loops_completely): Likewise.
1536         * tree-ssa-ivcanon.c (tree_num_loop_insns): Replace bsi with gsi.
1537         (create_canonical_iv): Convert to tuples.
1538         (try_unroll_loop_completely): Likewise.
1539         (empty_loop_p): Likewise.
1540         (remove_empty_loop): Likewise.
1541         * tree-ssa-loop.c (tree_ssa_loop_ivcanon): Re-enable.
1542         (tree_ssa_empty_loop): Likewise.
1543         (tree_complete_unroll): Likewise.
1544         (tree_complete_unroll_inner): Likewise.
1545
1546 2008-06-16  Doug Kwan  <dougkwan@google.com>
1547
1548         * tree-ssa-ifcombine.c (File): Re-enable all previously diabled code.
1549         (bb_no_side_effects_p): Tuplify.
1550         (same_phi_args_p): Likewise.
1551         (get_name_for_bit_test): Likewise.
1552         (operand_precision): New.
1553         (integral_operand_p): New.
1554         (recognize_single_bit_test): Tuplify.
1555         (regcognize_bits_test): Tuplify.
1556         (ifcombine_ifandif): Likewise.
1557         (ifcombine_iforif): Likewise.
1558         (tree_ssa_ifcombine): Likewise.
1559         * passes.c: Re-enable pass_tree_ifcombine.
1560
1561 2008-06-16  Doug Kwan  <dougkwan@google.com>
1562
1563         * tree-ssa-loop-unswitch.c (File): Re-enable all previously disabled
1564         code.
1565         (tree_may_unswitch_on):  Tuplify.
1566         (simplify_using_entry_checks):  Likewise.
1567         (tree_unswitch_single_loop): Likewise.
1568         * gimple-dummy.c (tree_ssa_unswitch_loops): Remove dummy.
1569         * tree-ssa-loop.c (gate_tree_ssa_loop_unswitch):  Re-enable.
1570
1571 2008-06-16  Steven Bosscher  <steven@gcc.gnu.org>
1572
1573         * tree-ssa-reassoc.c: Convrt to tuples.
1574
1575 2008-06-15  Diego Novillo  <dnovillo@google.com>
1576
1577         * tree-ssa-live.c (mark_all_vars_used_1): Mark as used
1578         the TREE_BLOCK of any _EXPR node.
1579
1580 2008-06-13  Doug Kwan  <dougkwan@google.com>
1581
1582         * tree-mudflap.c (File): Re-enable previously disabled code.
1583         (mf_decl_cache_locals): Tuplify.
1584         (mf_build_check_statement_for): Likewise.
1585         (mf_xform_derefs_1): Re-enable.
1586         (mf_xform_derefs): Tuplify.
1587         (execute_mudflap_function_decls): Likewise.
1588         (mx_register_decls): Tuplify.  Add a new formal parameter for
1589         the location of newly generated statements.  Change function to
1590         return modified gimple sequence instead of of modifying in-place.
1591         (mx_xfn_xform_decls): Tuplify.
1592         (mf_xform_decls): Tuplify.
1593         * passes.c (init_optimization_passes): Re-enable mudflap passes.
1594
1595 2008-06-13  Jakub Jelinek  <jakub@redhat.com>
1596
1597         Merge with mainline @136757.
1598
1599         * configure.ac (ACX_PKGVERSION): Update revision merge string.
1600         * configure: Regenerate.
1601
1602 2008-06-13  Doug Kwan  <dougkwan@google.com>
1603
1604         * ipa-reference.c (scan_stmt_for_static_refs): Rename walk_subtrees
1605         parameter to handled_ops_p and correct bug of using walk_tree callback
1606         semantics.
1607         * ipa-pure-const.c (scan_function_stmt): Likewise.
1608         * tree-inline.c (mark_local_labes_stmt): Rename walk_subtrees
1609         parameter to handle_ops_p.
1610         (replace_locals_stmt): Likewise.
1611
1612 2008-06-10  Steven Bosscher  <steven@gcc.gnu.org>
1613
1614         * passes.c (init_optimization_passes): Re-enable pass_uncprop.
1615         * tree-ssa-uncprop (associate_equivalences_with_edges): Convert
1616         to tuples.
1617         (uncprop_into_successor_phis): Likewise.
1618
1619 2008-06-09  Diego Novillo  <dnovillo@google.com>
1620
1621         * ipa-cp.c (cgraph_gate_cp): Fix 'FIXME tuples' note.
1622         * cfg.c (compact_blocks): Likewise.
1623         * dominance.c (free_dominance_info): Likewise.
1624         * gimple-low.c (gimple_stmt_may_fallthru): Likewise
1625         * c-gimplify.c (add_block_to_enclosing): Likewise.
1626         * lambda-mat.c: Include tree-flow.h.
1627         * lambda-trans.c: Likewise.
1628         * Makefile.in (lambda-mat.o, lambda-trans.o): Add dependency
1629         on $(TREE_FLOW_H).
1630         * builtins.c (expand_builtin_setjmp_receiver): Remove #if 0 markers.
1631         (fold_call_stmt): Call gimple_call_va_arg_pack_p.
1632         * tree-gimple.h (gimple_bind_expr_stack): Declare.
1633         * cgraphunit.c (update_call_expr): Do not try to access operand 0
1634         of a FUNCTION_DECL.
1635         * tree-ssa-loop-ivopts.c (stmt_invariant_in_loop_p): New.
1636         * tree-flow.h (stmt_invariant_in_loop_p): Declare.
1637         * gimple-dummy.c (remove_iv): Remove.
1638         (gimple_stmt_may_fallthru):
1639         * ipa-type-escape.c (check_tree): Call DECL_P before testing
1640         DECL_INITIAL.
1641         (check_assign): Do not access TREE_OPERAND 0 on the RHS
1642         operand.
1643         * gimplify.c (gimple_bind_expr_stack): New.
1644         * gimple.h (struct gimple_statement_bind): Add more comments
1645         for field BLOCK.
1646         (gimple_cond_set_condition): New.
1647         * gimple.c (gimple_cond_set_condition_from_tree): Call it.
1648         (gimple_copy_no_def_use): Remove.  Update all users.
1649         (gimple_has_side_effects):
1650         (gimple_rhs_has_side_effects):
1651         * passes.c (init_optimization_passes): Enable
1652         pass_release_ssa_names, pass_ipa_type_escape, pass_ipa_pta,
1653         pass_ipa_struct_reorg, pass_record_bounds,
1654         pass_late_warn_uninitialized and pass_rename_ssa_copies.
1655
1656         * lambda-code.c: Tuplify.
1657         * ipa-struct-reorg.c: Tuplify.
1658         * ipa-struct-reorg.h: Tuplify.
1659
1660 2008-06-09  Jakub Jelinek  <jakub@redhat.com>
1661
1662         * gimplify.c (gimplify_omp_for): Call gimple_omp_for_set_incr
1663         with the RHS of the GIMPLE_MODIFY_STMT instead of the
1664         GIMPLE_MODIFY_STMT itself.
1665         * gimple-pretty-print.c (dump_gimple_omp_for): Adjust for it.
1666         * tree-nested.c (walk_gimple_omp_for): Likewise.
1667         * omp-low.c (extract_omp_for_data, lower_omp_for): Likewise.
1668
1669 2008-06-09  Aldy Hernandez  <aldyh@redhat.com>
1670
1671         * tree-ssa-forwprop.c (forward_propagate_into_cond): First argument is
1672         a GSI.
1673         (forward_propagate_addr_into_variable_array_index): Accept a GSI
1674         instead of a gimple statement.  Update accordingly.
1675         (forward_propagate_addr_expr_1): Same.
1676         (forward_propagate_addr_expr): Pass a GSI to
1677         forward_propagate_addr_expr_1.
1678         (simplify_not_neg_expr): Argument is a GSI.
1679         Adjust accordingly.
1680         (tree_ssa_forward_propagate_single_use_va): Pass GSI to
1681         simplify_not_neg_expr and forward_propagate_into_cond.
1682
1683 2008-06-09  Aldy Hernandez  <aldyh@redhat.com>
1684
1685         * tree.h (IS_CONVERT_EXPR_P): New.
1686         (CONVERT_EXPR_P): Use IS_CONVERT_EXPR_P.
1687         * tree-ssa-forwprop.c (get_prop_dest_stmt): Convert to tuples.
1688         (get_prop_source_stmt): Same.
1689         (can_propagate_from): Same.
1690         (remove_prop_source_from_use): Same.
1691         (combine_cond_expr_cond): Same.
1692         (forward_propagate_into_cond): Same.
1693         (tidy_after_forward_propagate_addr): Same.
1694         (forward_propagate_addr_into_variable_array_index): Same.
1695         (forward_propagate_addr_expr_1): Same.
1696         (forward_propagate_addr_expr): Same.
1697         (forward_propagate_comparison): Same.
1698         (simplify_not_neg_expr): Same.
1699         (tree_ssa_forward_propagate_single_use_vars): Same.
1700         (simplify_gimple_switch): Rename from -simplify_switch_expr.
1701         (rhs_to_tree): New.
1702         (forward_propagate_into_gimple_cond): New.
1703         * Makefile.in (tree-ssa-forwprop.o): Depend on GIMPLE_H.
1704         * passes.c (init_optimization_passes): Enable pass_forwprop.
1705
1706 2008-06-09  Jakub Jelinek  <jakub@redhat.com>
1707
1708         * tree.def (OMP_SECTIONS_SWITCH, OMP_ATOMIC_LOAD, OMP_ATOMIC_STORE):
1709         Removed.
1710         * tree-gimple.c (is_gimple_stmt): Don't handle them.
1711         * gimplify.c (gimplify_expr): Likewise.
1712         * tree-pretty-print.c (dump_generic_node): Likewise.
1713         * tree-ssa-operands.c (get_expr_operands): Likewise.
1714         * expr.c (expand_expr_real_1): Likewise.
1715         * omp-low.c (expand_omp_atomic_pipeline): Adjust comment.
1716
1717 2008-06-09  Jakub Jelinek  <jakub@redhat.com>
1718
1719         Merge with mainline @136433.
1720
1721         * configure.ac (ACX_PKGVERSION): Update revision merge string.
1722         * configure: Regenerate.
1723
1724 2008-06-08  Diego Novillo  <dnovillo@google.com>
1725
1726         Merge with mainline @136432.
1727
1728         * configure.ac (ACX_PKGVERSION): Update revision merge string.
1729         * configure: Regenerate.
1730
1731 2008-06-08  Diego Novillo  <dnovillo@google.com>
1732
1733         * tree-call-cdce.c: Tuplify.
1734
1735 2008-06-06  Diego Novillo  <dnovillo@google.com>
1736
1737         http://gcc.gnu.org/ml/gcc-patches/2008-06/msg00353.html
1738
1739         * gimple.def: Add a third argument to all GIMPLE codes.
1740         Update all users.
1741         * calls.c (gimple_alloca_call_p): Fix comment.
1742         * system.h (CONST_CAST_GIMPLE): Define.
1743         * gimple.c (gimple_ops_offset_): Declare.  Fill in from
1744         third argument in gimple.def.
1745         (gimple_set_stored_syms, gimple_set_loaded_syms): Move
1746         from tree-ssa-operands.c
1747         (gimple_alloc): Add argument NUM_OPS.  Update all users.
1748         Compute size by adding enough space for NUM_OPS operands.
1749         (gimple_alloc_ops): Remove.  Update all users.
1750         (gimple_assign_set_rhs_from_tree): Change first argument
1751         to gimple_stmt_iterator *.  Update all users.
1752         Allocate a new statement, if there are more operands that
1753         can fit in the old one.
1754         (gimple_assign_set_rhs_with_ops): Likewise.
1755         (gimple_copy): Fix clearing of stores/loads sets in the
1756         copied statement.
1757         * gimple.h (struct gimple_statement_base): Remove fields
1758         UNUSED_1, UNUSED_2, UNUSED_3.
1759         Add fields MODIFIED, HAS_VOLATILE_OPS, REFERENCES_MEMORY_P,
1760         UID and NUM_OPS.
1761         Re-organize existing fields to eliminate holes on 64 bit
1762         hosts.
1763         Update all users.
1764         (struct gimple_statement_with_ops_base): Define.
1765         Factor out struct gimple_statement_with_ops.  Include fields GSBASE,
1766         ADDRESSES_TAKEN, DEF_OPS and USE_OPS.
1767         (struct gimple_statement_with_ops): Include struct
1768         gimple_statement_with_ops_base.
1769         Remove field NUM_OPS.
1770         (struct gimple_statement_with_memory_ops_base): Define.
1771         Factor out of struct gimple_statement_with_memory_ops.
1772         Include fields OPBASE, VDEF_OPS, VUSE_OPS, STORES and
1773         LOADS.
1774         Remove fields HAS_VOLATILE_OPS and REFERENCES_MEMORY_P.
1775         (struct gimple_statement_with_memory_ops): Include
1776         struct gimple_statement_with_memory_ops_base.
1777         (struct gimple_statement_phi): Change size_t fields to
1778         unsigned.  Update all users.
1779         (struct gimple_statement_asm): Include struct
1780         gimple_statement_with_memory_ops_base.
1781         Change fields NI and NO to unsigned char.
1782         Change field NC to short.
1783         Update all users.
1784         Add field OP.
1785         (struct gimple_statement_change_dynamic_type): Remove.
1786         Update all users.
1787         (union gimple_statement_d): Rename field WITH_OPS to GSOPS.
1788         Rename field WITH_MEM_OPS to GSMEM.
1789         Update all users.
1790         (gimple_addresses_taken): New.
1791         (gimple_addresses_taken_ptr): New.
1792         (gimple_set_addresses_taken): New.
1793         (gimple_num_ops): Move earlier.
1794         (gimple_ops): Use gimple_ops_offset_ to compute address
1795         of the operand vector.
1796         (gimple_op): Call gimple_ops.
1797         (gimple_op_ptr): Likewise.
1798         (gimple_set_op): Likewise.
1799         (gimple_switch_num_labels): Call gimple_num_ops.
1800         (gimple_switch_set_num_labels): Call gimple_set_num_ops.
1801         (gimple_switch_set_label): Call gimple_num_ops.
1802         (gimple_return_retval_ptr): Likewise.
1803         (gimple_return_retval): Likewise.
1804         (gimple_set_retval): Likewise.
1805         (gimple_cdt_new_type): Use operand 1.
1806         (gimple_cdt_new_type_ptr): Likewise.
1807         (gimple_cdt_set_new_type): Likewise.
1808         * tree-cfg.c (gimple_block_ends_with_call_p): Use
1809         CONST_CAST_BB.
1810         * tree-ssa-operands.c (gimple_set_stored_syms,
1811         gimple_set_loaded_syms): Declare.
1812         * value-prof.c (gimple_divmod_fixed_value_transform,
1813         gimple_mod_pow2_value_transform,
1814         gimple_mod_subtract_transform): Change argument to
1815         gimple_stmt_iterator *.  Update all users.
1816         * tree-ssa-ccp.c (fold_gimple_assign): Change parameter
1817         to gimple_stmt_iterator *.  Update all users
1818
1819 2008-06-05  Jakub Jelinek  <jakub@redhat.com>
1820
1821         * gimplify.c (gimplify_modify_expr_to_memcpy): Use gimplify_arg
1822         for gimplification of call arguments.
1823         (gimplify_modify_expr_to_memset): Likewise.
1824
1825 2008-06-02  Jakub Jelinek  <jakub@redhat.com>
1826
1827         PR tree-optimization/36389
1828         * gimplify.c (gimplify_cond_expr): If one or both branches are
1829         GOTO_EXPRs jumping to LABEL_DECLs, don't create unnecessary
1830         extra LABEL_DECLs and jumps around.
1831         * tree-cfg.c (remove_useless_stmts_cond): Set may_branch also
1832         for GIMPLE_COND stmts.
1833         * tree-eh.c (replace_goto_queue_cond_clause): Set label to
1834         create_artificial_label () rather than LABEL_EXPR.
1835
1836 2008-05-30  Diego Novillo  <dnovillo@google.com>
1837
1838         * calls.c (gimple_alloca_call_p): Fix detection of
1839         alloca() calls.
1840
1841 2008-05-30  Diego Novillo  <dnovillo@google.com>
1842
1843         * toplev.c: Include gimple.h.
1844         (dump_memory_report): Call dump_gimple_statistics.
1845         * Makefile.in (toplev.o): Add dependency on GIMPLE_H.
1846         * gimple-low.c (pass_lower_cf): Restore disabled bits.
1847         * tree-dfa.c (pass_referenced_vars): Likewise.
1848         * cfgexpand.c (pass_expand): Likewise.
1849         * tree-outof-ssa.c (pass_del_ssa): Likewise.
1850         * gimple.c (gimple_alloc): Fix non-C99 declaration.
1851         * gimplify.c (gimplify_function_tree): Remove calls to
1852         dump_tree_statistics and dump_gimple_statistics.
1853
1854 2008-05-30  Jakub Jelinek  <jakub@redhat.com>
1855
1856         * omp-low.c (diagnose_omp_structured_block_errors): Temporarily
1857         switch cfun to DECL_STRUCT_FUNCTION (fndecl).
1858
1859         * omp-low.c (scan_sharing_clauses): Call scan_omp on
1860         OMP_CLAUSE_REDUCTION_GIMPLE_{INIT,MERGE} instead of
1861         scan_omp_op on OMP_CLAUSE_REDUCTION_{INIT,MERGE}.
1862         (lower_rec_input_clauses): Clear
1863         OMP_CLAUSE_REDUCTION_GIMPLE_{INIT,MERGE} instead of
1864         OMP_CLAUSE_REDUCTION_{INIT,MERGE}.  Call lower_omp
1865         on OMP_CLAUSE_REDUCTION_GIMPLE_MERGE before gimple_seq_add_seq
1866         to replace all occurences of placeholder in the seq.
1867         * gimplify.c (gimplify_scan_omp_clauses): Clear
1868         OMP_CLAUSE_REDUCTION_{INIT,MERGE} after gimplifying it.
1869
1870         * tree-nested.c (init_tmp_var_with_call, init_tmp_var, save_tmp_var):
1871         Only set location if not gsi_end_p.
1872         (walk_gimple_omp_for): Avoid adding an empty statement to seq.
1873
1874         * tree-inline.c (remap_gimple_stmt): Remap body of
1875         GIMPLE_OMP_{MASTER,ORDERED,SECTION,SECTIONS,SINGLE}.
1876
1877 2008-05-28  Andrew Pinski  <pinskia@gmail.com>
1878
1879         * gimple-pretty-print.c (dump_unary_rhs): Handle conversions correctly.
1880         Handle PAREN_EXPR, ABS_EXPR, and NEGATE_EXPR.
1881
1882 2008-05-29  Jakub Jelinek  <jakub@redhat.com>
1883
1884         * omp-low.c (lower_omp_1): Handle regimplification of GIMPLE_ASM.
1885         Fix GIMPLE_ASSIGN regimplification.
1886         * gimple-pretty-print.c (dump_gimple_omp_sections,
1887         dump_gimple_omp_block, dump_gimple_omp_critical): New functions.
1888         (dump_gimple_omp_parallel): Formatting.
1889         (dump_gimple_stmt): Handle remaining GIMPLE_OMP_* statements.
1890
1891 2008-05-29  Aldy Hernandez  <aldyh@redhat.com>
1892
1893         * tree-inline.c (remap_gimple_stmt): Handle GIMPLE_OMP_* cases.
1894
1895 2008-05-29  Aldy Hernandez  <aldyh@redhat.com>
1896
1897         * gimple-pretty-print.c (dump_gimple_stmt): Add cases for
1898         GIMPLE_OMP_MASTER and GIMPLE_OMP_ORDERED.
1899
1900 2008-05-29  Aldy Hernandez  <aldyh@redhat.com>
1901
1902         * omp-low.c (expand_omp_parallel): Parse an assignment from an
1903         ADDR_EXPR correctly.
1904         * gimple-pretty-print.c (dump_gimple_omp_parallel): Print braces when
1905         appropriate.
1906
1907 2008-05-29  Jakub Jelinek  <jakub@redhat.com>
1908
1909         * omp-low.c (lower_omp_1): Fix regimplification of GIMPLE_COND and
1910         GIMPLE_CALL.
1911
1912 2008-05-28  Jakub Jelinek  <jakub@redhat.com>
1913
1914         * gimple.c (gimple_regimplify_operands): Don't call gimple_num_ops
1915         twice.  Write regimplified operand to the correct operand slot.
1916         * gimplify.c (rhs_predicate_for): No longer static.
1917         * tree-gimple.h (rhs_predicate_for): New prototype.
1918         * omp-low.c (lower_omp_1): Don't call gimple_regimplify_operands,
1919         instead forcefully gimplify_expr each operand with the right
1920         predicate.
1921
1922         * gimple.h (gimple_omp_atomic_store_val_ptr,
1923         gimple_omp_atomic_load_lhs_ptr, gimple_omp_atomic_load_rhs_ptr): New
1924         inlines.
1925         * gimple.c (walk_gimple_op): Handle GIMPLE_OMP_ATOMIC_LOAD and
1926         GIMPLE_OMP_ATOMIC_STORE.
1927         * omp-low.c (lower_omp_1): Handle GIMPLE_OMP_ATOMIC_LOAD.
1928
1929         * gimple-pretty-print.c (dump_gimple_omp_for): Don't indent twice
1930         before gimple_omp_body, don't emit extra newline after it.
1931         (dump_gimple_omp_single): Likewise.
1932
1933 2008-05-27  Aldy Hernandez  <aldyh@redhat.com>
1934
1935         * tree-nested.c (walk_omp_for): Rename to...
1936         (walk_gimple_omp_for): Enable and convert to tuples.
1937         (convert_nonlocal_reference_stmt): Enable call to walk_gimple_omp_for.
1938         (convert_local_reference_stmt): Same.
1939         * gimple.c (walk_gimple_op): Remove fixme note.
1940
1941 2008-05-27  Diego Novillo  <dnovillo@google.com>
1942
1943         * tree-gimple.c (get_gimple_rhs_class): Handle
1944         POLYNOMIAL_CHREC.
1945         * tree-cfg.c (verify_types_in_gimple_assign): Do not
1946         check every operand against the LHS type for tcc_binary
1947         expressions.
1948
1949 2008-05-26  Diego Novillo  <dnovillo@google.com>
1950
1951         Merge with mainline @135951.
1952
1953         * configure.ac (ACX_PKGVERSION): Update revision merge string.
1954         * configure: Regenerate.
1955
1956 2008-05-22  Aldy Hernandez  <aldyh@redhat.com>
1957
1958         * tree-cfg.c (make_edges): Change OMP_SECTION to GIMPLE_OMP_SECTIONS.
1959         Update comments.
1960         (verify_types_in_gimple_stmt): Update comments.
1961         (verify_stmt): Same.
1962
1963 2008-05-21 Andreas Tobler  <a.tobler@schweiz.org>
1964
1965         * ../configure: Regenerate with the correct autoconf version: 2.59.
1966
1967 2008-05-21  Aldy Hernandez  <aldyh@redhat.com>
1968
1969         * omp-low.c (lower_reduction_clauses): Generate OMP_ATOMIC_* directly.
1970         Concatenate atomic code correctly.
1971
1972 2008-05-20  Aldy Hernandez  <aldyh@redhat.com>
1973
1974         * omp-low.c (WALK_SUBSTMTS): New.
1975         (check_combined_parallel): Walk sub-statements.
1976         (diagnose_sb_1): Same.
1977         (diagnose_sb_2): Same.
1978         Handle switch labels and return statements correctly.
1979         * testsuite/gcc.dg/gomp/block-7.c: Adjust for new error message.
1980         * testsuite/gcc.dg/gomp/block-2.c: Same.
1981         * testsuite/gcc.dg/gomp/block-4.c: Same.
1982         * testsuite/gcc.dg/gomp/block-6.c: Same.
1983         * testsuite/gcc.dg/gomp/block-8.c: Same.
1984         * testsuite/gcc.dg/gomp/block-1.c: Same.
1985         * testsuite/gcc.dg/gomp/block-3.c: Same.
1986         * testsuite/gcc.dg/gomp/block-5.c: Same.
1987
1988 2008-05-20  Aldy Hernandez  <aldyh@redhat.com>
1989
1990         * omp-low.c (lower_omp_single): Append to bind variables.
1991         (lower_omp_master): Same.
1992         (lower_omp_ordered): Same.
1993         (lower_omp_critical): Same.
1994         * gimplify.c (gimplify_modify_expr_to_memcpy): Make sure we are
1995         fully gimplified.
1996         (gimplify_omp_for): Same.
1997         * gimple.h (gimple_bind_set_vars): New.
1998
1999 2008-05-16  Andreas Tobler  <a.tobler@schweiz.org>
2000
2001         * config/alpha/alpha.c (alpha_gimplify_va_arg): Adjust arguments.
2002         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
2003         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
2004         * config/m32c/m32c-protos.h (m32c_gimplify_va_arg_expr): Likewise.
2005         * config/spu/spu.c (spu_gimplify_va_arg_expr): Likewise.
2006         * config/stormy16/stormy16.c (xstormy16_gimplify_va_arg_expr): Likewise.
2007         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
2008
2009         * config/sparc/sparc.c (sparc_gimplify_va_arg): Adjust arguments.
2010
2011 2008-05-16  Diego Novillo  <dnovillo@google.com>
2012
2013         * tree-into-ssa.c (rewrite_uses_p): Fix return type.
2014         * tree-vectorizer.h (nested_in_vect_loop_p): Add return value.
2015         * tree-ssa-pre.c (execute_pre): Add return value.
2016
2017 2008-05-15  Aldy Hernandez  <aldyh@redhat.com>
2018
2019         * config/s390/s390.c (s390_gimplify_va_arg): Adjust for tuples.
2020
2021 2008-05-15  Diego Novillo  <dnovillo@google.com>
2022
2023         * Makefile.in (STRICT_WARN): Revert to mainline behaviour.
2024         (builtins.o-warn, expr.o-warn, dse.o-warn,
2025         ebitmap.o-warn, lower-subreg.o-warn, tree-chrec.o-warn,
2026         tree-ssa-structalias.o-warn, varasm.o-warn): Remove.
2027         * config/arm/arm.c (arm_return_in_memory): Fix return type.
2028         * config/arm/arm-protos.h (arm_return_in_memory): Likewise.
2029
2030 2008-05-15  Aldy Hernandez  <aldyh@redhat.com>
2031
2032         * gimplify.c (gimplify_omp_for): Handle a MODIFY_EXPR in
2033         gimple_omp_for_incr.
2034         * cfgexpand.c (gimple_to_tree): Do not die on compile errors.
2035
2036 2008-05-15  Aldy Hernandez  <aldyh@redhat.com>
2037
2038         * omp-low.c (check_omp_nesting_restrictions): Fetch clauses from for.
2039         (expand_omp_atomic): Parse GIMPLE_OMP_ATOMIC correctly.
2040         (lower_omp_single_simple): Create GIMPLE_COND with both tlabel and
2041         flabel.
2042         (lower_omp_for): Make sure we have a body before look inside.
2043         * gimple-low.c (lower_stmt): Add case for GIMPLE_OMP_SECTIONS_SWITCH.
2044         * gimple-pretty-print.c (dump_gimple_omp_single): New.
2045         (dump_gimple_stmt): Add case for GIMPLE_OMP_SINGLE.
2046         * gimplify.c (gimplify_omp_workshare): Remove fixme.  Enable code.
2047         * gimple.c (gss_for_code): Add case for GIMPLE_OMP_{RETURN,
2048         SECTIONS_SWITCH}.
2049         (gimple_regimplify_operands):  Do not regimplify GIMPLE_ASM
2050         operands.  Do not look inside empty operands.
2051         * gimple.h (is_gimple_omp): Fix typo for GIMPLE_OMP_ATOMIC*.
2052         * tree-cfg.c (make_edges): Rename OMP_SECTION to GIMPLE_OMP_SECTION.
2053
2054 2008-05-14  Aldy Hernandez  <aldyh@redhat.com>
2055
2056         * omp-low.c (optimize_omp_library_calls): Make sure statement is
2057         a GIMPLE_CALL before we look inside of it.
2058         * tree-cfg.c (move_stmt_op): Exit gracefully.
2059
2060 2008-05-13  Aldy Hernandez  <aldyh@redhat.com>
2061
2062         * omp-low.c (scan_omp_op): Remove walk_subtrees.  Call walk_tree.
2063         (scan_omp_for): Scan OMP body.
2064         (scan_omp_1_stmt): Set handled_ops_p.
2065         (expand_omp_parallel): Parse ADDR_EXPR correctly.
2066         (diagnose_sb_1): Rename walk_subtrees to handled_ops_p and set
2067         appropriately.
2068         (diagnose_sb_2): Same.
2069         * gimple-pretty-print.c (dump_gimple_omp_for): Print braces around
2070         OMP body.
2071         * tree-inline.c (estimate_num_insns): GIMPLE_OMP_CONTINUE does not
2072         have a body.
2073         * tree-cfg.c (move_stmt_op): Parse move_stmt_d out of data correctly.
2074         (move_stmt_r): Rename walk_subtrees to handled_ops_p and set
2075         appropriately.
2076
2077 2008-05-12  Diego Novillo  <dnovillo@google.com>
2078
2079         Merge with mainline @135126.
2080
2081         * configure.ac (ACX_PKGVERSION): Update revision merge string.
2082         * configure: Regenerate.
2083
2084 2008-05-11 Doug Kwan  <dougkwan@google.com>
2085
2086         * gimplify.c (gimple_pop_condition): Clear
2087         conditional_cleanups field after the associated gimple sequence has
2088         been freed implicitly.
2089         (gimplify_cleanup_point_expr): Clear conditional_cleanups field
2090         of gimplfiy_ctxp after resetting the conditions field.
2091         * gimple.h (gimple_call_return_type): Handle REFERENCE_TYPE like
2092         POINTER_TYPE.
2093
2094 2008-05-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2095
2096         * config/sh/sh.c (sh_gimplify_va_arg_expr): Change pre_p and
2097         post_p types to gimple_seq *.
2098
2099 2008-05-09  Aldy Hernandez  <aldyh@redhat.com>
2100
2101         * omp-low.c (maybe_catch_exception): Return body when no exceptions.
2102         (gate_lower_omp): Enable pass.
2103         * gimple-low.c (lower_stmt): Add GIMPLE_OMP_ATOMIC_* cases.
2104
2105 2008-05-08  Aldy Hernandez  <aldyh@redhat.com>
2106
2107         * omp-low.c (extract_omp_for_data): Update comment.
2108         (get_ws_args_for): Same.
2109         (lower_send_shared_vars): Same.
2110         (expand_omp_parallel): Same.
2111         (expand_omp_for_static_nochunk): Same.
2112         (expand_omp_for_static_chunk): Same.
2113         (expand_omp_sections): Same.
2114         (expand_omp_atomic_fetch_op): Same.
2115         (expand_omp_atomic_pipeline): Same.
2116         (build_omp_regions_1): Same.
2117         (lower_omp_for): Same.
2118         (expand_omp_atomic_mutex): Change OMP_ATOMIC_STORE to
2119         GIMPLE_OMP_ATOMIC_STORE.
2120         * gimple-pretty-print.c (dump_gimple_omp_parallel): Print child fn
2121         and data_arg.
2122         * tree-cfg.c (make_edges): Enable commented out code and convert
2123         to tuples.
2124         (replace_by_duplicate_decl): Same.
2125         (replace_ssa_name): Same.
2126         (move_stmt_r): Same.
2127         (move_stmt_op): New.
2128         (mark_virtual_ops_in_bb): Enable and convert to tuples.
2129         (makr_virtual_ops_in_region): Same.
2130         (move_block_to_fn): Convert to tuples.
2131         (find_outermost_region_in_block): Enable and convert to tuples.
2132         (move_sese_region_to_fn): Same.
2133
2134 2008-05-05  Aldy Hernandez  <aldyh@redhat.com>
2135
2136         * omp-low.c (expand_omp_parallel): Remove fixmes.
2137         (expand_omp_for_static_chunk): Enable and tuplify code.
2138         (expand_omp_sections): Remove fixmes.  Tuplify.
2139         (lower_omp_sections): Same.
2140         (diagnose_sb_0): Remove fixme.
2141         * tree-ssa.c (redirect_edge_var_map_dup): Fix typo in comment.
2142         * gimple.c (gimple_size): Add case for GIMPLE_OMP_SECTIONS_SWITCH.
2143         (gimple_build_omp_sections): New.
2144         * gimple.h (gimple_build_omp_sections_switch): New prototype.
2145
2146 2008-05-03  Aldy Hernandez  <aldyh@redhat.com>
2147
2148         * omp-low.c (diagnose_sb_0): Tuplify and enable.
2149         (diagnose_sb_1): Same.
2150         (diagnose_sb_2): Same.
2151         (diagnose_omp_structured_block_errors): Tuplify.
2152         * gimple-dummy.c (DUMMY_FN): Remove
2153         diagnose_omp_structured_block_errors.
2154         * c-decl.c (c_gimple_diagnostics_recursively): Remove fixme
2155         and enable call to diagnose_omp_structured_block_errors.
2156         * Makefile.in (GTFILES): Add omp-low.c again.
2157
2158 2008-05-02  Rafael Espíndola  <espindola@google.com>
2159
2160         * tree-gimple.c (is_gimple_condexpr): Do not allow
2161         trapping comparisons.
2162         * tree-eh.c (tree_could_trap_p): Fix handling of floating
2163         point comparisons.
2164
2165 2008-05-02  Doug Kwan  <dougkwan@google.com>
2166
2167         * value-prof.c (gimple_divmod_fixed_value): Remove formal parameters
2168         OPERATION, OP1 and OP2 and derive their values from parameter STMT
2169         instead.  Update prototype and caller.
2170         (gimple_mod_pow2): Remove formal parameters OPERATION, OP1 and OP2
2171         and derive their values from parameter STMT instead.  Update prototype
2172         and caller.
2173         (gimple_mod_pow2_value_transform): Remove temporares OP, OP1 and OP2.
2174         Use a new tempory LHS_TYPE to store assignment LHS type.
2175         (gimple_mode_subtract): Remove formal parameters OPERATION, OP1 and OP2
2176         and derive their values from parameter STMT instead.  Update prototype
2177         and caller.  Fix a bug in a call to gimple_build_assign_with_ops.
2178         (gimple_mod_subtract_transform): Remove temporares OP, OP1 and OP2.
2179         Use a new tempory LHS_TYPE to store assignment LHS type.
2180         (gimple_ic, gimple_indirect_call_to_profile): Fix bug in tree-code
2181         tests.
2182         * tree-profile.c (File): Re-enable all previously disabled code.
2183         (tree_gen_edge_profiler): Tuplify.
2184         (prepare_instrumented_value): Ditto.
2185         (tree_gen_interval_profiler): Ditto.
2186         (tree_gen_pow2_profiler): Ditto.
2187         (tree_gen_one_value_profiler): Ditto.
2188         (tree_gen_ic_profiler): Ditto.
2189         (tree_gen_ic_func_profiler): Ditto.
2190         (tree_gen_const_delta_profiler): Re-format formal parameters for
2191         proper alignement.
2192         (tree_gen_average_profiler): Tuplify.
2193         (tree_gen_ior_profiler): Ditto.
2194         (do_tree_profiling): Re-enable previously disabled code.  Remove
2195         FIXME.
2196         (tree_profiling): Ditto.
2197         * gimple.c (gimple_set_bb):  Remove assertion.
2198         * tree-cfg.c (change_bb_for_stmt): Remove.  Redirect callers to
2199         gimple_set_bb.
2200         (gimple_merge_blocks): Call gimple_set_bb instead of
2201         change_bb_for_stmt.
2202         (gimple_split_block): Ditto.
2203         (verify_stmts): Add code to check that label_to_block_map and labels
2204         are consistent.
2205
2206 2008-04-22  Rafael Espíndola <espindola@google.com>
2207
2208         Merge with mainline @134843.
2209
2210         * configure.ac (ACX_PKGVERSION): Update revision merge string.
2211         * configure: Regenerate.
2212
2213 2008-05-01  Diego Novillo  <dnovillo@google.com>
2214
2215         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00053.html
2216
2217         * tree-vrp.c (vrp_visit_phi_node): Cast variable I to int
2218         for printing.
2219         * cgraph.c (cgraph_release_function_body): Only call
2220         gimple_set_body if NODE->DECL has a struct function.
2221         * tree.c (make_node_stat): Do not call gimple_set_body.
2222         * cp/Make-lang.in (cp/semantics.o): Add dependency on
2223         $(GIMPLE_H).
2224         * cp/semantics.c: Include gimple.h
2225         (expand_or_defer_fn): Assert that FN has a gimple body.
2226         * function.h (struct function): Add field GIMPLE_BODY.
2227         * gimple.c (gimple_bodies_vec): Remove.
2228         (gimple_bodies_map): Remove.
2229         (gimple_set_body): Re-write to use GIMPLE_BODY in FN's
2230         function object.
2231         (gimple_body): Likewise.
2232
2233 2008-05-01  Oleg Ryjkov  <olegr@google.com>
2234
2235         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00053.html
2236
2237         * tree-eh.c (record_in_goto_queue, record_in_goto_queue_label):
2238         New functions.
2239         (maybe_record_in_goto_queue): Refactored and added support for
2240         recording labels embedded in GIMPLE_CONDs.
2241         (lower_catch, lower_cleanup): Fix 3 typos that were introduced
2242         during the conversion to tuples.
2243         (lower_eh_constructs_2): Call maybe_record_in_goto_queue for
2244         GIMPLE_CONDs.
2245
2246 2008-05-01  Rafael Espíndola <espindola@google.com>
2247
2248         * gimple-pretty-print.c (dump_gimple_try): Print like trunk does.
2249         (dump_gimple_catch): Print like trunk does.
2250
2251 2008-05-01  Rafael Espíndola <espindola@google.com>
2252
2253         * passes.c (gimple_verify_flow_info): Enable remaining
2254         pass_rename_ssa_copies passes.
2255
2256 2008-05-01  Rafael Espíndola <espindola@google.com>
2257
2258         * tree-cfg.c (gimple_verify_flow_info): Handle switches with only the
2259         default label.
2260
2261 2008-04-30  Doug Kwan  <dougkwan@google.com>
2262
2263         * cfgexpand.c (gimple_to_tree): Change code to annotate EH region
2264         numbers only if numbers are greater than zero.  Also propagate EH
2265         region number to CALL_EXPRs nested in assignments.
2266
2267 2008-04-29  Doug Kwan  <dougkwan@google.com>
2268
2269         * tree-eh.c (lower_try_finally_dup_block): Call
2270         copy_gimple_seq_and_replace_locals instead of gimple_seq_copy.
2271         (optimize_double_finally): Add a note about replacing unsave_expr_now
2272         with copy_gimple_seq_and_replace_locals.
2273         * tree-inline.c (mark_local_labels_stmt, replace_locals_op,
2274         replace_locals_stmt, copy_gimple_seq_and_replace_locals): New.
2275         * tree-inline.h (copy_gimple_seq_and_replace_locals): New prototype.
2276
2277 2008-04-29  Rafael Espíndola <espindola@google.com>
2278
2279         * gimple-pretty-print.c (dump_gimple_return): Add missing space.
2280         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Fix type
2281         of variable.
2282
2283 2008-04-29  Rafael Espíndola <espindola@google.com>
2284
2285         * gimple-pretty-print.c (pp_cfg_jump): add missing ";".
2286
2287 2008-04-29  Rafael Espíndola <espindola@google.com>
2288
2289         * gimple-pretty-print.c (dump_gimple_assign): print ";" at the end.
2290         (dump_gimple_return):print ";" at the end.
2291         (dump_gimple_call): print ";" at the end.
2292         (dump_gimple_cond): use op_symbol_code instead of tree_code_name.
2293         (pp_cfg_jump): print ";" at the end.
2294
2295 2008-04-29  Rafael Espíndola <espindola@google.com>
2296
2297         * ipa-cp.c (ipcp_driver): Disable.
2298         * matrix-reorg.c (matrix_reorg): Comment body.
2299         (gate_matrix_reorg): Disable.
2300         * passes.c (init_optimization_passes): Enable first pass_merge_phi,
2301         pass_ipa_cp and pass_ipa_matrix_reorg.
2302
2303 2008-04-29  Doug Kwan  <dougkwan@google.com>
2304
2305         * tree-eh.c (lower_catch): Fix bug of accessing sub-statements
2306         using gimple_catch_handler.  Fix bug of mixing up GIMPLE_GOTO and
2307         GIMPLE_LABEL in statement building.
2308         (lower_cleanup): Fix bug of mixing up gimple_try_clean and
2309         gimple_try_eval.
2310         (lower_cleanup): Use gimple codes instead of tree codes in switch
2311         statement.
2312         (tree-cfg.c): Add code to generate EH edges of GIMPLE_ASSIGN.
2313
2314 2008-04-28  Diego Novillo  <dnovillo@google.com>
2315
2316         http://gcc.gnu.org/ml/gcc-patches/2008-04/msg02051.html
2317
2318         * tree-ssa-phiprop.c (phiprop_insert_phi): Remove
2319         OLD_ARG_CODE.  Use TREE_CODE (ARG) instead.
2320         Assert that NEW_VAR is a GIMPLE register.
2321         (propagate_with_phi): Fix test of is_gimple_reg_type for
2322         ARG.
2323         Do not set subcode of USE_STMT to NOP_EXPR.
2324
2325 2008-04-28  Doug Kwan  <dougkwan@google.com>
2326
2327         * tree-inline.c (remap_gimple_op_r): Remove code to handle RESX_EXPR
2328         region number remapping.
2329         (remap_gimple_stmt): Add code to handle GIMPLE_RESX region number
2330         remapping.
2331
2332 2008-04-28  Rafael Espíndola <espindola@google.com>
2333
2334         * cfgexpand.c (gimple_to_tree): Add support for switch stmts without
2335         a default label.
2336         * fold-const.c (tree_call_nonnegative_warnv_p): Remove the code
2337         argument.
2338         (tree_invalid_nonnegative_warnv_p): Update call to
2339         tree_call_nonnegative_warnv_p.
2340         * gimple.h (gimple_location_ptr): New.
2341         * tree-flow.h (simplify_stmt_using_ranges): Change signature.
2342         * tree-ssa-propagate.c (substitute_and_fold): Call
2343         simplify_stmt_using_ranges.
2344         * tree-vrp.c (struct assert_locus_d): Tuplify.
2345         (switch_update): Tuplify.
2346         (stmt_overflow_infinity): New.
2347         (gimple_assign_nonnegative_warnv_p): New.
2348         (gimple_call_nonnegative_warnv_p): New.
2349         (gimple_stmt_nonnegative_warnv_p): New.
2350         (gimple_assign_nonzero_warnv_p): New.
2351         (gimple_stmt_nonzero_warnv_p): New.
2352         (vrp_stmt_computes_nonzero): Tuplify.
2353         (extract_range_basic): Tuplify.
2354         (extract_range_from_expr): Tuplify. Rename to
2355         extract_range_from_assignment.
2356         (adjust_range_with_scev): Tuplify.
2357         (vrp_var_may_overflow): Tuplify.
2358         (build_assert_expr_for): Tuplify.
2359         (fp_predicate): Tuplify.
2360         (infer_value_range): Tuplify.
2361         (dump_asserts_for): Tuplify.
2362         (register_new_assert_for): Tuplify.
2363         (register_edge_assert_for_2): Tuplify.
2364         (register_edge_assert_for_1): Tuplify.
2365         (register_edge_assert_for): Tuplify.
2366         (find_conditional_asserts): Tuplify.
2367         (find_switch_asserts): Tuplify.
2368         (find_assert_locations): Tuplify.
2369         (process_assert_insertions_for): Tuplify.
2370         (process_assert_insertions): Tuplify.
2371         (check_array_ref): Tuplify.
2372         (search_for_addr_array): Tuplify.
2373         (check_array_bounds): Tuplify.
2374         (check_all_array_refs): Tuplify.
2375         (remove_range_assertions): Tuplify.
2376         (stmt_interesting_for_vrp): Tuplify.
2377         (vrp_initialize): Tuplify.
2378         (vrp_visit_assignment): Tuplify. Rename to vrp_visit_assignment_or_call.
2379         (vrp_visit_cond_stmt): Tuplify.
2380         (find_case_label_index): Tuplify.
2381         (find_case_label_range): Tuplify.
2382         (vrp_visit_switch_stmt): Tuplify.
2383         (vrp_visit_stmt): Tuplify.
2384         (vrp_visit_phi_node): Tuplify.
2385         (simplify_div_or_mod_using_ranges): Tuplify.
2386         (simplify_abs_using_ranges): Tuplify.
2387         (simplify_cond_using_ranges): Tuplify.
2388         (simplify_switch_using_ranges): Tuplify.
2389         (simplify_stmt_using_ranges): Tuplify.
2390         (simplify_stmt_for_jump_threading): Tuplify.
2391         (identify_jump_threads): Tuplify.
2392         (execute_vrp): Tuplify.
2393         (gate_vrp): Enable.
2394         * tree.h (tree_call_nonnegative_warnv_p): Remove the code argument.
2395
2396 2008-04-28  Doug Kwan  <dougkwan@google.com>
2397
2398         * cp/cp-gimplify.c (finish_bc_block):  Tuplify.
2399         (build_bc_goto):  Renamed to get_bc_label.  Return a label
2400         only.  Uupdate  callers.
2401         (get_bc_label): New
2402         (gimplify_cp_loop): Tuplify.  Also check COND for error_mark_node
2403         before gimplifying it.
2404         (gimplify_for_stmt): Tuplify.
2405         (gimplify_while_stmt): Tuplify.
2406         (gimplify_for_stmt): Tuplify.
2407         (gimplify_do_stmt): Tuplify.
2408         (gimplify_switch_stmt): Tuplify.
2409         (cp_gimplify_omp_switch_stmt): Add temporary code to pop block
2410         label stack.
2411         (cp_gimplify_expr): Pass pre_p to gimplify_while_stmt,
2412         gimplify_do_stmt and gimplify_switch_stmt.  Tuplify
2413         gimplification of CONTINUE_STMT and BREAK_STMT.
2414
2415 2008-04-26  Rafael Espíndola <espindola@google.com>
2416
2417         * gimple.c (gimple_build_assign_with_ops): Don't set SSA_NAME_DEF_STMT.
2418         * gimple.h (gimple_assign_set_lhs): Set SSA_NAME_DEF_STMT.
2419         (gimple_call_set_lhs): Set SSA_NAME_DEF_STMT.
2420         * omp-low.c (expand_parallel_call): Don't set SSA_NAME_DEF_STMT if not
2421         needed.
2422         (expand_omp_for_generic): Same.
2423         (expand_omp_for_static_nochunk): Same.
2424         (expand_omp_for_static_chunk): Same.
2425         (expand_omp_sections): Same.
2426         (expand_omp_atomic_mutex): Same.
2427         * predict.c (strip_builtin_expect): Same.
2428         * tree-cfg.c (gimple_merge_blocks): Same.
2429         * tree-inline.c (remap_ssa_name): Same.
2430         (setup_one_parameter): Same.
2431         * tree-predcom.c (replace_ref_with): Same.
2432         (replace_ref_with): Same.
2433         (initialize_root_vars_lm): Same.
2434         (reassociate_to_the_same_stmt): Same.
2435         * tree-scalar-evolution.c (scev_const_prop): Same.
2436         * tree-ssa-loop-im.c (rewrite_reciprocal): Same.
2437         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Same.
2438         * tree-ssa-loop-manip.c (create_iv): Same.
2439         * tree-ssa-math-opts.c (execute_cse_sincos_1): Same.
2440         * tree-ssa-phiopt.c (minmax_replacement): Same.
2441         (abs_replacement): Same.
2442
2443 2008-04-25  Diego Novillo  <dnovillo@google.com>
2444
2445         http://gcc.gnu.org/ml/gcc-patches/2008-04/msg01965.html
2446
2447         * gimplify.c (annotate_all_with_location_after): New.
2448         (gimplify_expr): Call it.
2449
2450 2008-04-25  Diego Novillo  <dnovillo@google.com>
2451
2452         Merge with mainline @134692.
2453
2454         * configure.ac (ACX_PKGVERSION): Update revision merge string.
2455         * configure: Regenerate.
2456
2457 2008-04-25  Doug Kwan  <dougkwan@google.com>
2458
2459         * tree-inline.c (expand_call_inline):  Save old call statement
2460         and use it to look up correct EH region.
2461
2462 2008-04-24  Doug Kwan  <dougkwan@google.com>
2463
2464         * Makefile.in (STRICT_WARN): Remove -Wno-format and
2465         -Wno-missing-format-attribute.
2466         * gimplify.c (gimple_pop_condition): Remove redundant and incorrect
2467         gimple_seq_free.
2468         (gimplify_init_ctor_eval_range): Add a fall-through label for
2469         GIMPLE_COND statement.
2470
2471 2008-04-25  Rafael Espíndola <espindola@google.com>
2472
2473         * tree-ssa-dom.c (avail_expr_eq): Return false if the hashes don't
2474         match.
2475
2476 2008-04-24  Oleg Ryjkov  <olegr@google.com>
2477
2478         * gimplify.c (gimplify_expr): Fix the assertion that verifies validity
2479         of parameters.
2480         * tree-inline.c (estimate_num_insns): Handle
2481         GIMPLE_CHANGE_DYNAMIC_TYPE.
2482         * tree-cfg.c (verify_types_in_gimple_stmt): Likewise.
2483
2484 2008-04-24  Rafael Espíndola <espindola@google.com>
2485
2486         * tree-ssa-dom.c (initialize_hash_element): Fix the type of the code
2487         variable.
2488
2489 2008-04-23  Rafael Espíndola <espindola@google.com>
2490
2491         * omp-low.c (gate_lower_omp): Return 0.
2492         * passes.c (init_optimization_passes): Enable all passes whose
2493         corresponding dump options are used in the testsuite.
2494         * tree-loop-distribution.c (tree_loop_distribution): Comment body.
2495         (gate_tree_loop_distribution): Return 0.
2496         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
2497         Comment body.
2498         (gate_forwprop): Return 0.
2499         * tree-ssa-loop.c (gate_tree_ssa_loop_unswitch): Return 0.
2500         (gate_tree_vectorize): Return 0.
2501         (gate_tree_ssa_loop_ivcanon): Return 0.
2502         (tree_ssa_empty_loop): Return 0.
2503         (gate_tree_complete_unroll): Return 0.
2504         * tree-ssa-pre.c (gate_fre): Return 0.
2505         * tree-ssa-reassoc.c (execute_reassoc): Comment body.
2506         (gate_tree_ssa_reassoc): Return 0.
2507         * tree-stdarg.c (gate_optimize_stdarg): Return 0.
2508         (execute_optimize_stdarg): Comment body.
2509         * tree-vrp.c (execute_vrp): Comment body.
2510         (gate_vrp): Return 0.
2511
2512 2008-04-22  Aldy Hernandez  <aldyh@redhat.com>
2513
2514         * omp-low.c (lower_omp_parallel): Add new argument to
2515         gimple_omp_parallel_set_combined_p.
2516         (lower_omp_1): Remove debugging code.
2517         * gimple.h (gimple_omp_parallel_combined_p): Add new argument.
2518
2519 2008-04-22  Rafael Espíndola <espindola@google.com>
2520
2521         Merge with mainline @134552.
2522
2523         * configure.ac (ACX_PKGVERSION): Update revision merge string.
2524         * configure: Regenerate.
2525
2526 2008-04-21  Doug Kwan  <dougkwan@google.com>
2527
2528         * tree-ssa-phiopt.c (FILE): Uncomment all previously disabled code.
2529         (tree_ssa_phiopt): Remove FIXME and re-enable code.
2530         (tree_ssa_cs_elim): Remove FIXME and re-enable code.
2531         (tree_ssa_phiopt_worker): Tuplify.
2532         (replace_phi_edge_with_variable): Tuplify.
2533         (conditional_replacement): Tuplify and simplify optimization logic.
2534         Construct a boolean tree and let fold and force_gimple_operand_gsi
2535         do optimization and code genaration.
2536         (value_replacement): Tuplify.
2537         (minmax_replacement): Tuplify.
2538         (abs_replacement): Tuplify.
2539         (nt_init_block): Tuplify.
2540         (cond_store_replacement): Tuplify.
2541         * gimple.h (gimple_seq_singleton_p): Fix empty sequence bug.
2542         * passes.c (init_optimization_passes): Re-enable pass_cselim
2543         and pass_phiopt.
2544
2545 2008-04-21  Diego Novillo  <dnovillo@google.com>
2546
2547         * tree.c (make_node_stat): Clear gimple_body() for newly
2548         created FUNCTION_DECLs.
2549         * tree-gimple.c (rhs_predicate_for): Move to gimplify.c.
2550         * tree-gimple.h (rhs_predicate_for): Remove declaration.
2551         * gimple-pretty-print.c (dump_gimple_assign): Add support
2552         for showing volatile operands.
2553         (dump_gimple_call): Likewise.
2554         Add support for showing __builtin_va_arg_pack, static
2555         chains, return slot optimized and tail calls.
2556         (dump_gimple_phi): Remove code to print memory symbols.
2557         * gimplify.c (is_gimple_formal_tmp_or_call_rhs): New.
2558         (is_gimple_mem_or_call_rhs): New.
2559         (rhs_predicate_for): Call them.
2560         (internal_get_tmp_var): Use is_gimple_formal_tmp_or_call_rhs as
2561         the gimplification predicate.
2562         Use the last statement in *PRE_P to get the temporary to
2563         be updated when in SSA form.
2564         (gimplify_bind_expr): Clear out *EXPR_P before returning.
2565         (gimplify_call_expr): Do not build a GIMPLE_CALL if
2566         WANT_VALUE is true.
2567         Call gimple_build_call_from_tree if WANT_VALUE is false.
2568         Remove local variable ARGS.
2569         (gimplify_modify_expr): If after gimplification *FROM_P
2570         is a CALL_EXPR, create a GIMPLE_CALL instead of a
2571         GIMPLE_ASSIGN.
2572         Document why the gimplification of the RHS should accept
2573         CALL_EXPRs.
2574         (gimplify_expr): Document where the generated statement
2575         is stored.
2576         Accept is_gimple_formal_tmp_or_call_rhs and
2577         is_gimple_mem_or_call_rhs as gimplification predicates.
2578         When gimplifying statements, clear out *EXPR_P before
2579         returning.
2580         When generating an rvalue, call is_gimple_formal_tmp_or_call_rhs
2581         to test *EXPR_P.
2582         * tree-dfa.c (mark_symbols_for_renaming): Remove
2583         ATTRIBUTE_UNUSED.
2584         * tree-flow.h (stmt_references_memory_p): Remove.
2585         * gimple.c (gimple_build_call_from_tree): New.
2586         * gimple.h (struct gimple_statement_with_memory_ops): Add
2587         bitfield references_memory_p.
2588         (gimple_build_call_from_tree): Declare.
2589         (gimple_references_memory_p): Rename from
2590         stmt_references_memory_p.  Move here.  Update all users.
2591         (gimple_set_references_memory): New.
2592         (gimple_assign_set_rhs1): When the assignment has more
2593         than one operand on the RHS, assert that the operands are
2594         gimple values.
2595         (gimple_assign_set_rhs2): Assert that the operand is a
2596         gimple value.
2597         (gimple_call_set_return_slot_opt): Fix mask clearing.
2598         (gimple_call_set_from_thunk): Likewise.
2599         (gimple_call_set_va_arg_pack): Likewise.
2600         * tree-cfg.c (dump_function_to_file): Do not indent when
2601         doing a GIMPLE dump.
2602         * tree-ssa-operands.c (add_virtual_operand): Call
2603         gimple_set_references_memory.
2604         (get_addr_dereference_operands): Likewise.
2605         (get_tmr_operands): Likewise.
2606         (maybe_add_call_clobbered_vops): Likewise.
2607         (get_asm_expr_operands): Likewise.
2608         (parse_ssa_operands): Likewise.
2609         (build_ssa_operands): Likewise.
2610         (stmt_references_memory_p): Remove.
2611
2612 2008-04-21  Rafael Espíndola <espindola@google.com>
2613
2614         Cherry pick http://gcc.gnu.org/ml/gcc-patches/2008-04/msg01213.html
2615
2616         * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Set default
2617         to zero, thus disable creation of SFTs.
2618         * gcc.dg/tree-ssa/salias-1.c: Remove.
2619         * gcc.dg/tree-ssa/pr26421.c: Adjust pattern.
2620         * gcc.dg/tree-ssa/alias-15.c: Likewise.
2621         * gcc.dg/tree-ssa/ssa-lim-3.c: Run at -O2.
2622
2623 2008-04-20  Zdenek Dvorak  <ook@ucw.cz>
2624
2625         * passes.c (init_optimization_passes): Enable pass_dce_loop.
2626
2627 2008-04-20  Zdenek Dvorak  <ook@ucw.cz>
2628
2629         * tree-data-ref.c (split_constant_offset_1): Use POINTER_PLUS_EXPR
2630         for pointer addition.
2631         (split_constant_offset): Set VAR to EXP before conversions are
2632         stripped, when no offset is removed.  Handle chrec_dont_know.
2633         * tree-predcom.c: Tuplified.
2634         * passes.c (init_optimization_passes): Enable pass_predcom.
2635
2636 2008-04-18  Aldy Hernandez  <aldyh@redhat.com>
2637
2638         * omp-low.c (lower_rec_input_clauses): Remove fixme and
2639         ATTRIBUTE_UNUSED.
2640         (lower_lastprivate_clauses): Same.
2641         (lower_reduction_clauses): Same.
2642         (lower_copyprivate_clauses): Same.
2643         (lower_send_clauses): Same.
2644         (lower_send_shared_vars): Same.
2645         (maybe_catch_exception): Convert to tuples.
2646         (lower_omp_sections): Same.
2647         (lower_omp_single_simple): Same.
2648         (lower_omp_single_copy): Same.
2649         (lower_omp_single): Same.
2650         (lower_omp_master): Same.
2651         (lower_omp_ordered): Same.
2652         (lower_omp_critical): Same.
2653         (lower_omp_for_lastprivate): Same.
2654         (lower_omp_for): Same.
2655         (check_combined_parallel): Same.
2656         (lower_omp_parallel): Same.
2657         (lower_omp_1): Same.
2658         (execute_lower_omp): Enable.
2659         * gimple-dummy.c: Remove dummy functions for lower_omp_*.
2660         * gimple-low.c (lower_omp_directive): Convert to tuples.
2661         (lower_stmt): Remove fixme.
2662         * gimple.h (gimple_seq_alloc_with_stmt): New.
2663         (gimple_omp_section_set_last): New.
2664         (gimple_omp_parallel_set_combined_p): New.
2665         (gimple_bind_add_stmt): New.
2666         (gimple_bind_add_seq): New.
2667         * tree-cfg.c (verify_node_sharing): Fix typo in comment.
2668
2669 2008-04-17  Oleg Ryjkov  <olegr@google.com>
2670
2671         * Reverting forwprop patch.
2672
2673         2008-04-16  Oleg Ryjkov  <olegr@google.com>
2674
2675                 * tree-ssa-forwprop.c (get_prop_dest_stmtm get_prop_source_stmt,
2676                 can_propagate_from, remove_prop_source_from_use,
2677                 tidy_after_forward_propagate_addr,
2678                 forward_propagate_addr_into_variable_array_index,
2679                 forward_propagate_addr_expr_1, forward_propagate_addr_expr,
2680                 forward_propagate_comparison, simplify_not_neg_expr,
2681                 simplify_switch_expr,
2682                 tree_ssa_forward_propagate_single_use_variables): Tuplified.
2683                 (forward_propagate_into_cond): Tuplified and moved some functionality
2684                 into forward_propagate_into_cond_gimple.
2685                 (rhs_to_tree, forward_propagate_into_cond_gimple): New functions.
2686                 * passes.c (init_optimization_passes): Enabled pass_forwprop.
2687                 * tree-cfg.c (find_taken_edge_cond_expr): Fixed comment.
2688
2689 2008-04-16  Oleg Ryjkov  <olegr@google.com>
2690
2691         * tree-ssa-forwprop.c (get_prop_dest_stmtm get_prop_source_stmt,
2692         can_propagate_from, remove_prop_source_from_use,
2693         tidy_after_forward_propagate_addr,
2694         forward_propagate_addr_into_variable_array_index,
2695         forward_propagate_addr_expr_1, forward_propagate_addr_expr,
2696         forward_propagate_comparison, simplify_not_neg_expr,
2697         simplify_switch_expr,
2698         tree_ssa_forward_propagate_single_use_variables): Tuplified.
2699         (forward_propagate_into_cond): Tuplified and moved some functionality
2700         into forward_propagate_into_cond_gimple.
2701         (rhs_to_tree, forward_propagate_into_cond_gimple): New functions.
2702         * passes.c (init_optimization_passes): Enabled pass_forwprop.
2703         * tree-cfg.c (find_taken_edge_cond_expr): Fixed comment.
2704
2705 2008-04-16  Doug Kwan  <dougkwan@google.com>
2706
2707         * Makefile.in (STRICT_WARN): Disable -Wmissing-format-attribute
2708         and -Wformat temporarily for bootstrapping.
2709         * lambda-code.c (invariant_in_loop_and_outer_loops): Comment out
2710         to avoid defined-and-not-used warning.
2711         * tree-cfg.c (gather_blocks_in_sese_region): Comment out to avoid
2712         defined-and-not-used warning.
2713
2714 2008-04-16  Doug Kwan  <dougkwan@google.com>
2715
2716         * Makefile.in (GTFILES): Add back ipa-reference.h and ipa-reference.c.
2717         * gimple-dummy.c (memory_identifier_string): Remove.
2718         * ipa-cp.c (constant_val_insert): Tuplify.
2719         * ipa-prop.c (File): Uncomment all previously disabled code.
2720         (ipa_method_modify_stmt): Tuplify.
2721         (ipa_method_compute_modify): Tuplify.
2722         (ipa_callsite_tree): Renamed to ipa_callsite_stmt.  Update callers.
2723         (ipa_callsite_stmt): New.
2724         (ipa_callsite_compute_count): Tuplify.
2725         (ipa_callsite_compute_param): Tuplify.
2726         * ipa-reference.c (File): Uncomment all previously disabled code.
2727         (get_asm_stmt_operands): Tuplify.
2728         (check_call): Tuplify.  Also add code to handle assignment of
2729         returned value.
2730         (scan_for_static_refs): Remove.  Tuplify body and split into two
2731         new functions scan_stmt_for_static_refs and scan_op_for_static_refs.
2732         Update callers.
2733         (scan_stmt_for_static_refs): New.  Split from scan_for_static_refs.
2734         (scan_op_for_static_refs): New.  Split from scan_for_static_refs.
2735         (analyze_variable): Update walk_tree call.
2736         (analyze_function): Tuplify.
2737         * passes.c (init_optimization_passes): Re-enable pass_ipa_reference.
2738         * tree-flow.h (struct function_ann_d): Uncomment field
2739         ipa_reference_vars_info.
2740
2741 2008-04-15  Doug Kwan  <dougkwan@google.com>
2742
2743         * tree-eh.c (operation_could_trap_p): Fix filtering logic.
2744
2745 2008-04-15  Bill Maddox  <maddox@google.com>
2746
2747         * tree-ssa-dom.c: (degenerate_phi_result, remove_stmt_or_phi,
2748         get_rhs_or_phi_arg, get_lhs_or_phi_result, propagate_rhs_into_lhs,
2749         eliminate_const_or_copy, eliminate_degenerate_phis_1,
2750         eliminate_degenerate_phis): Convert to tuples.
2751         * passes.c (init_optimization_passes): Enable pass_phi_only_cprop.
2752
2753 2008-04-15  Oleg Ryjkov  <olegr@google.com>
2754
2755         * tree-ssa-dom.c (record_const_or_copy): Moving a variable declaration to
2756         the top of a block.
2757
2758 2008-04-15  Doug Kwan  <dougkwan@google.com>
2759
2760         * tree-ssa-sink.c (File): Uncomment all previously disabled code.
2761         (find_bb_for_arg): Tuplify.
2762         (all_immediate_uses_sample_place): Tuplify.
2763         (nearest_common_dominator_of_uses): Tuplify.
2764         (statement_sink_location): Tuplify.  Remove parameter tobb and update
2765         caller.
2766         (sink_code_in_bb): Tuplify.
2767         * passes.c (init_optimization_passes): Re-enable pass_sink_code.
2768
2769 2008-04-14  Bill Maddox  <maddox@google.com>
2770
2771         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edge,
2772         create_edge_and_update_destination_phis, redirection_block_p):
2773         Convert to tuples.
2774         * tree.c (iterative_hash_exprs_commutative): New function.
2775         * tree.h (iterative_hash_exprs_commutative): Declare.
2776         * tree-ssa_dom.c (enum expr_kind, struct hashable_expr,
2777         struct cond_equivalence): New types.
2778         (struct edge_info): Use struct cond_equivalence.
2779         (avail_exprs_stack): Stack of expr_hash_elt*, not expressions.
2780         (stmts_to_rescan): Use type gimple for statements.
2781         (struct expr_hash_elt): Represent statement RHS with hashable_expr,
2782         not a tree.  Add unique stamp to each entry for efficient and reliable
2783         element removal.
2784         (struct eq_expr_value): Delete unused type.
2785         (initialize_hash_element): Convert to tuples.  Now applies
2786         only to statements.
2787         (initialize_expr_from_cond, initialize_hash_element_from_expr):
2788         New functions.  Replace former functionality of initialize_hash_element
2789         for conditions presented as trees.
2790         (hashable_expr_equal_p, iterative_hash_hashable_expr): New functions.
2791         (print_expr_hash_elt): New function.
2792         (free_expr_hash_elt): New function.
2793         (tree_ssa_dominator_optimize): Convert to tuples
2794         (canonicalize_comparison): Convert to tuples.
2795         (remove_local_expressions_from_table): Use new avail_exprs_stack
2796         representation.  Add optional extra diagnostic details.
2797         (simplify_stmt_for_jump_threading, dom_thread_across_edge,
2798         dom_opt_finalize_block): Convert to tuples.
2799         (record_cond, build_and_record_new_cond): Convert to tuples.
2800         Use new hashable_expr type.  Extra diagnostic details.
2801         (record_const_or_copy_1): Extra diagnostic details.
2802         (record_const_or_copy): Add assertion.
2803         (simple_iv_increment_p, cprop_into_successor_phis, record_edge_info):
2804         Convert to tuples.
2805         (eliminate_redundant_computations): Convert to tuples.
2806         Additional diagnostic details.
2807         (gimple_assign_unary_useless_conversion_p): New function.
2808         (record_equivalences_from_statement): Convert to tuples.
2809         Additional diagnostic details.
2810         (cprop_operand, cprop_into_stmt): Convert to tuples.
2811         (optimize_stmt): Convert to tuples.
2812         (lookup_avail_expr): Use hashable_expr.  Additional diagnostic details.
2813         (avail_expr_hash, avail_expr_eq): Use hashable_expr.
2814         * tree-ssa-copy.c (may_propagate_copy_into_stmt,
2815         propagate_tree_value_into_stmt): New functions.
2816         * tree-flow.h: (may_propagate_copy_into_stmt,
2817         propagate_tree_value_into_stmt): Declare.
2818         (thread_across_edge): Change declaration of callback to accept a
2819         gimple statement.
2820         * gimple.c (gimple_call_flags): Declare argument as a constant.
2821         (gimple_has_side_effects): Declare argument as a constant.
2822         Examine function arguments for side-effects.
2823         (gimple_rhs_has_side_effects): New function.
2824         * gimple.h (gimple_call_flags): Declare argument as a constant.
2825         (gimple_has_side_effects): Declare argument as a constant.
2826         (gimple_rhs_has_side_effects): Declare new function.
2827         (is_gimple_assign): New inline function.
2828         (gimple_switch_index_ptr): New function.
2829         * passes.c (init_optimization_passes): Enable pass_dominator.
2830         * tree-ssa_threadedge.c (potentially_threadable_block,
2831         lhs_of_dominating_assert, record_temporary_equivalences_from_phis):
2832         Convert to tuples.
2833         (fold_assignment_stmt): New function.
2834         (record_temporary_equivalences_from_stmts_at_dest,
2835         simplify_control_stmt_condition, thread_across_edge): Convert to tuples.
2836
2837 2008-04-14  Doug Kwan  <dougkwan@google.com>
2838
2839         * c-typeck.c (convert_for_assignment): Call c_common_unsigned_type
2840
2841 2008-04-14  Doug Kwan  <dougkwan@google.com>
2842
2843         * gimple-iterator.c (gsi_move_to_bb_end): Use gsi_last_bb
2844         instead of calling both gsi_last and bb_seq.
2845         * passes.c (init_optimization_passes): Re-eanble second tail-recursion
2846         pass.
2847
2848 2008-04-14  Doug Kwan  <dougkwan@google.com>
2849
2850         * tree-nrv.c (dest_safe_for_nrv_p):  Uncomment.
2851         (execute_return_slot_opt): Tuplify.
2852         * passes.c (init_optimization_passes): Re-enable pass_return_slot.
2853
2854 2008-04-14  Aldy Hernandez  <aldyh@redhat.com>
2855
2856         * tree-cfg.c (gimple_can_merge_blocks_p): Fix typo.
2857         * omp-low.c (maybe_lookup_ctx): Uncomment and set ATTRIBUTE_UNUSED.
2858         (lower_lastprivate_clauses): Same.
2859         (lower_reduction_clauses): Same.
2860         (lower_send_clauses): Same.
2861         (expand_omp_for_generic): Uncomment and convert for tuples.
2862         (expand_omp_for): Remove fixme.
2863         (expand_omp_sections): Same.
2864         (lower_omp_parallel): Partially convert for tuples.
2865         (lower_omp_regimplify_p): Rename from lower_omp_2.
2866         (lower_omp_1): Convert for tuples.
2867         (lower_omp): Same.
2868         (gimple-dummy.c): Add lower_omp_parallel, lower_omp_for,
2869         lower_omp_sections, lower_omp_single, lower_omp_master,
2870         lower_omp_ordered, lower_omp_critical.
2871
2872 2008-04-13  Diego Novillo  <dnovillo@google.com>
2873
2874         * tree-cfg.c (need_fake_edge_p): Initialize CALL_FLAGS.
2875
2876 2008-04-12  Rafael Espíndola <espindola@google.com>
2877
2878         Merge with mainline @134237.
2879
2880         * configure.ac (ACX_PKGVERSION): Update revision merge string.
2881         * configure: Regenerate.
2882
2883 2008-04-13  Rafael Espíndola <espindola@google.com>
2884
2885         * config/extensions.m4: Add. Was missing from previous merge.
2886
2887 2008-04-12  Rafael Espíndola <espindola@google.com>
2888
2889         Merge with mainline @133860.
2890
2891         * configure.ac (ACX_PKGVERSION): Update revision merge string.
2892         * configure: Regenerate.
2893
2894 2008-04-11  Oleg Ryjkov  <olegr@google.com>
2895
2896         * tree-sra.c (scalarize_use): Moving a variable declaration to
2897         the top of a block.
2898
2899 2008-04-11  Oleg Ryjkov  <olegr@google.com>
2900
2901         * tree-sra.c (insert_edge_copies_seq): Removed unused variable.
2902
2903 2008-04-11  Oleg Ryjkov  <olegr@google.com>
2904
2905         * tree-sra.c (sra_build_assignment): Tuplified.
2906         (mark_all_v_defs): Removed.
2907         (mark_all_v_defs_seq, mark_all_v_defs_stmt): New functions.
2908         (sra_walk_expr): Tuplified.
2909         (sra_walk_tree_list): Removed.
2910         (sra_walk_call_expr, sra_walk_gimple_asm,
2911         sra_walk_gimple_modifY_stmt, ): Tuplified and renamed.
2912         (sra_walk_gimple_call, sra_walk_gimple_asm,
2913         sra_walk_gimple_assign): New names for tuplified functions.
2914         (sra_walk_function, find_candidates_for_sra, scan_use, scan_copy,
2915         scan_ldst, instantiate_element, decide_instantiations,
2916         mark_all_v_defs_1, sra_build_assignment, sra_build_bf_assignment,
2917         sra_build_elt_assignment, generate_copy_inout,
2918         generate_element_copy, generate_element_zero,
2919         generate_one_element_init, generate_element_init_1): Tuplified.
2920         (insert_edge_copies): Removed.
2921         (insert_edge_copies_seq): New function.
2922         (sra_insert_before, sra_insert_after, sra_replace,
2923         sra_explode_bitfield_assignment, sra_sync_for_bitfield_assignment,
2924         scalarize_use, scalarize_copy, scalarize_init, mark_no_trap,
2925         scalarize_ldst, scalarize_parms, scalarize_function): Tuplified.
2926         (tree_sra, tree_sra_early): Enabled
2927         (sra_init_cache): Removed extra space.
2928         * tree-flow.h (insert_edge_copies_seq): New declaration.
2929         * gimple.h (gimple_asm_input_op_ptr, gimple_asm_output_op_ptr,
2930         gimple_return_retval_ptr): New functions.
2931         * passes.c (init_optimization_passes): Enabled pass_sra,
2932         pass_early_sra.
2933
2934 2008-04-11  Doug Kwan  <dougkwan@google.com>
2935
2936         * ipa-pure-const.c (get_asm_expr_operands): Tuplify.
2937         (get_asm_expr_operands): Tuplify.
2938         (check_call): Tuplify. Add code to handle return value assignment.
2939         (scan_function): Remove. Original code is tuplified and split into
2940         two new functions scan_function_op and scan_function_stmt.
2941         (scan_function_op): New function.
2942         (scan_function_stmt): New function.
2943         (analyze_function): Tuplify and re-enable previously disabled code.
2944         * passes.c (init_optimization_passes): Re-enable pass_ipa_pure_const.
2945
2946 2008-04-11 Oleg Ryjkov  <olegr@google.com>
2947
2948         * builtins.c (fold_call_stmt): Return the proper value.
2949         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Modify arguments to
2950         allow this function to be called on a GIMPLE_ASSIGN.
2951         (fold_stmt_r): Update the call to maybe_fold_stmt_addition.
2952         (fold_gimple_assign): Manually call maybe_fold_stmt_addition to
2953         fold a POINTER_PLUS_EXPR.
2954
2955 2008-04-11  Doug Kwan  <dougkwan@google.com>
2956
2957         * tree-ssa-phiprop.c (File): Uncomment all previously disabled code.
2958         (struct phiprop_d): Change type of vop_stmt to gimple.
2959         (phivn_valid_p): Tuplify.
2960         (phiprop_insert_phi): Tuplify.
2961         (propagate_with_phi): Tuplify.
2962         (tree_ssa_phiprop_1): Tuplify.
2963         (tree_ssa_phiprop): Tuplify.
2964         * passes.c (init_optimization_passes): Re-enable pass_phiprop.
2965
2966 2008-04-11  Rafael Espíndola <espindola@google.com>
2967
2968         * tree-ssa-math-opts.c (execute_cse_sincos_1): fix warning.
2969
2970 2008-04-10  Diego Novillo  <dnovillo@google.com>
2971
2972         http://gcc.gnu.org/ml/gcc-patches/2008-04/msg00913.html
2973
2974         * ipa-inline.c (cgraph_clone_inlined_nodes): Change uses
2975         of DECL_SAVED_TREE with gimple_body.
2976         (cgraph_decide_inlining_incrementally): Likewise.
2977         * gimple-iterator.c (gsi_insert_seq_before_without_update):
2978         Do nothing if SEQ is NULL.
2979         (gsi_insert_seq_after_without_update): Likewise.
2980         * tree-ssa-live.c (mark_all_vars_used_1): Do not handle
2981         EXPR trees.
2982         (remove_unused_locals): Mark the gimple_block of every
2983         statement as used.
2984         * tree-inline.c (remap_gimple_stmt): Forward declare.
2985         (remap_decls): Tidy comments.
2986         (remap_gimple_seq): New.
2987         (copy_gimple_bind): New.
2988         (remap_gimple_stmt): Call it.
2989         Handle High GIMPLE statements.
2990         (copy_bb): Regimplify operands on COPY_GSI instead of
2991         GSI.
2992         (copy_cfg_body): Tidy.
2993         (copy_generic_body): Remove unused function.
2994         (clone_body): Tuplify.
2995         * c-common.c (c_warn_unused_result): Remove assertion for
2996         FUNCTION_TYPE.
2997         * gimple.c (gimple_seq_copy): Rename from
2998         gimple_seq_deep_copy.  Update all users.
2999         (walk_gimple_stmt): Assert that STMT has no substatements
3000         in the default case.
3001         (gimple_copy_1): Merge into gimple_copy.
3002         (gimple_copy): Always do deep copying.
3003         Handle statements with substatements.
3004         (gimple_shallow_copy): Remove unused function.
3005         (gimple_deep_copy): Remove.  Update all users.
3006         * gimple.h: Tidy comments and structure fields
3007         everywhere.
3008         (gimple_has_substatements): New.
3009         (walk_stmt_fn): Change last argument to struct walk_stmt_info *.
3010         Update all users.
3011
3012 2008-04-10 Oleg Ryjkov  <olegr@google.com>
3013
3014         * tree.h (struct tree_base): Added a new flag default_def_flag.
3015         (SSA_NAME_IS_DEFAULT_DEF): Changed to use the new flag.
3016
3017 2008-04-08  Doug Kwan  <dougkwan@google.com>
3018
3019         * gimplify.c (gimple_push_cleanup): Initialize cleanup_stmts to NULL.
3020
3021 2008-04-08  Doug Kwan  <dougkwan@google.com>
3022
3023         * tree-tailcall.c (struct tailcall): Remove call_block and replace
3024         call_bsi by call_gsi.
3025         (independent_of_stmt_p): Change type of parameter 'at' to GIMPLE and
3026         change all tree using code to GIMPLE using equivalent.
3027         Remove parameter block_stmt_iterator type parameter bsi with
3028         gimple_stmt_iterator type parameter gsi. Replace uses of bsi with
3029         that of gsi in function body as appropriate.
3030         (process_assignment):  Remove parameter 'ass' and change type of
3031         parameter 'stmt' to GIMPLE.  Change all tree using code to GIMPLE
3032         using equivalent.
3033         (propagate_through_phis, eliminate_tail_call, optimize_tail_call):
3034         Change all tree using code to GIMPLE using equivalent.
3035         (find_tail_calls): Change all tree using code to GIMPLE using
3036         equivalent.  Remove code that handles GIMPLE_MODIFY_STMT containing
3037         a CALL_EXPR.
3038         (add_successor_phi_arg, adjust_return_value_with_ops,
3039         update_accumulator_with_ops, adjust_accumulator_values,
3040         create_tailcall_accumulator): New functions from refactoring of
3041         duplicated logic.
3042         (adjust_accumulator_values, adjust_return_value): Refactor.
3043         (tree_optimize_tail_calls_1): Refactor and change all tree using code
3044         to GIMPLE using equivalent.  Remove code to reverse phi list.
3045         * passes.c (init_optimization_passes):  Re-enable pass_tail_recursion
3046         and pass_tail_calls.
3047
3048 2008-04-04  Doug Kwan  <dougkwan@google.com>
3049
3050         * tree-ssa-math-opts.c (struct occurrence): Change field type of
3051         recip_def_stmt to gimple.
3052         (is_division_by): Tuplify.
3053         (insert_reciprocals): Tuplify.
3054         (replace_reciprocals): Tuplify.
3055         (execute_cse_reciprocals_1): Tuplify.
3056         (execute_cse_reciprocals): Tuplify.
3057         (maybe_record_sincos): Use vector of gimples instead of vector of
3058         trees.
3059         (execute_cse_sincos_1): Tuplify.  When adjusting recorded old call
3060         sites, generate new gimple assign statements and remove old gimple
3061         call statements.
3062         (execute_cse_sincos): Tuplify.
3063         (execute_convert_to_rsqrt): Tuplify.
3064         * passes.c (init_optimization_passes): Enable pass_cse_sincos,
3065         pass_cse_reciprocals and pass_convert_to_rsqrt.
3066
3067 2008-04-04  Aldy Hernandez  <aldyh@redhat.com>
3068
3069         * omp-low.c (gimple_build_cond_empty): New.
3070         (expand_parallel_call): Convert COND_EXPR to GIMPLE_COND.
3071         (expand_omp_for_generic): Same.
3072         (expand_omp_for_static_nochunk): Same.
3073         (expand_omp_for_static_chunk): Same.
3074         (expand_omp_atomic_pipeline): Same.
3075
3076 2008-04-04  Diego Novillo  <dnovillo@google.com>
3077
3078         http://gcc.gnu.org/ml/gcc-patches/2008-04/msg00413.html
3079
3080         * tree-ssa-loop-im.c (movement_possibility): Return
3081         MOVE_IMPOSSIBLE if that statement makes no assignment.
3082         * tree-complex.c (get_component_ssa_name): Fix comment.
3083         (set_component_ssa_name): Assert that COMP's definition
3084         is LAST.
3085         * cgraph.c (cgraph_update_edges_for_call_stmt): Tuplify.
3086         (dump_cgraph_node): Likewise.
3087         * tree.c (auto_var_in_fn_p): Fix comment.
3088         * cgraphunit.c (verify_cgraph_node): Remove tuples hack
3089         that avoided verifying nodes.
3090         * gimple-pretty-print.c (dump_gimple_asm): Show the
3091         volatile flag.
3092
3093         * gimple-dummy.c (optimize_inline_calls): Remove.
3094         (tree_function_versioning): Remove.
3095         (tree_versionalbe_function_p): Remove.
3096         * ipa-inline.c (cgraph_clone_inlined_bodies): Re-format.
3097         (cgraph_decide_inlining): Re-format.
3098         (cgraph_decide_inlining_incrementally): Re-format.
3099         (pass_ipa_inline): Re-format.
3100         * gimplify.c (gimplify_call_expr): Carry all the
3101         CALL_EXPR flags to the newly created GIMPLE_CALL.
3102         (gimplify_asm_expr): Carry ASM_VOLATILE_P and ASM_INPUT_P
3103         over to the new GIMPLE_ASM.
3104         * tree-dfa.c (find_new_referenced_vars): Change argument
3105         to gimple.  Update all callers.
3106         * cfgexpand.c (set_expr_location_r): New private.
3107         (gimple_to_tree): Call it.
3108         Set ASM_VOLATILE_P and ASM_INPUT_P for ASM_EXPRs.
3109         Carry flags from GIMPLE_CALL for CALL_EXPRs.
3110         Set TREE_BLOCK on the newly created expression.
3111         * tree-inline.c: Tuplify.
3112         * tree-inline.h: Tuplify.
3113         * tree-optimize.c (execute_fixup_cfg): Tuplify.
3114         * gimple.c (gimple_build_call_vec): Change second
3115         argument type to VEC(tree, heap).  Update all callers.
3116         (gimple_build_assign_with_ops): If the LHS is an
3117         SSA_NAME, set SSA_NAME_DEF_STMT on it.
3118         (walk_gimple_seq): Change return type to gimple.  Update
3119         all users.
3120         If walk_gimple_stmt returned a value, store it in
3121         WI->CALLBACK_RESULT.
3122         (walk_gimple_op): Walk gimple_call_chain_ptr() and
3123         gimple_call_fn_ptr() for GIMPLE_CALL.
3124         (walk_gimple_stmt): Add new local HANDLED_OPS.
3125         If callback_stmt() sets HANDLED_OPS, return its return
3126         value.
3127         If any call to walk_gimple_seq returns a non-NULL value,
3128         return WI->CALLBACK_RESULT.
3129         (gimple_copy_1): New function.
3130         (gimple_deep_copy): Rename from gimple_copy.  Update all
3131         users.
3132         Call gimple_copy_1.
3133         (gimple_shallow_copy): New.
3134         (gimple_regimplify_operands): New.
3135         * gimple.h (GF_ASM_INPUT): Define.
3136         (GF_ASM_VOLATILE): Define.
3137         (GF_CALL_CANNOT_INLINE): Define.
3138         (GF_CALL_FROM_THUNK): Define.
3139         (GF_CALL_RETURN_SLOT_OPT): Define.
3140         (GF_CALL_VA_ARG_PACK): Define.
3141         (gimple_stmt_iterator): Move earlier in the file.
3142         (gimple_omp_return_nowait_p): Fix return expression.
3143         (gimple_omp_section_last_p): Likewise.
3144         (gimple_omp_parallel_combined_p): Likewise.
3145         (gimple_call_noreturn_p): Likewise.
3146         (gimple_call_nothrow_p): Likewise.
3147         (gimple_asm_volatile_p): Likewise.
3148         (gimple_try_catch_is_cleanup): Likewise.
3149         (gimple_assign_set_rhs1): assert that RHS is a gimple
3150         operand.
3151         (is_gimple_call): New.  Change all users that tested
3152         gimple_code() == GIMPLE_CALL.
3153         (gimple_call_fn_ptr): New.
3154         (gimple_call_chain_ptr): New.
3155         (gimple_call_set_chain): Accept NULL values for CHAIN.
3156         (gimple_call_set_tail): Add bool argument specifying the
3157         value of the flag.  Update all users.
3158         (gimple_asm_set_volatile): Likewise.
3159         (gimple_call_set_cannot_inline): Rename from
3160         gimple_call_mark_uninlinable.  Add bool argument
3161         specifying the value of the flag.  Update all users.
3162         (gimple_call_set_return_slot_opt): New.
3163         (gimple_call_return_slot_opt_p): New.
3164         (gimple_call_set_from_thunk): New.
3165         (gimple_call_from_thunk_p): New.
3166         (gimple_call_va_arg_pack_p): New.
3167         (gimple_call_copy_flags): New.
3168         (gimple_asm_set_input): New.
3169         (gimple_asm_input_p): New.
3170         (gimple_asm_clear_volatile): Remove.
3171         (walk_stmt_fn): Add second argument bool *.  Update all
3172         users.
3173         (struct walk_stmt_info): Add new field callback_result.
3174         * tree-cfg.c (gimple_split_block): Tuplify.
3175         (gimple_block_ends_with_condjump_p): Tuplify.
3176         (need_fake_edge_p): Tuplify.
3177         (gimple_flow_call_edges_add): Tuplify.
3178         (gimple_purge_dead_abnormal_call_edges): Tuplify.
3179         (gimple_purge_dead_eh_edges): Remove ATTRIBUTE_UNUSED.
3180         (gimple_cfg_hooks): Add gimple_block_ends_with_condjump_p
3181         and gimple_flow_call_edges_add
3182         * passes.c (init_optimization_passes): Enable
3183         pass_cleanup_cfg, pass_inline_parameters,
3184         pass_ipa_inline and pass_apply_inline.
3185         (execute_todo): Re-enable check for TODO_update_ssa_any
3186         if need_ssa_update_p() returns true.
3187         * tree-ssa-operands.c (ssa_operands_active): Return false
3188         if cfun is NULL.
3189
3190
3191 2008-04-04  Rafael Espíndola <espindola@google.com>
3192
3193         Merge with mainline @133632.
3194
3195         * configure.ac (ACX_PKGVERSION): Update revision merge string.
3196         * configure: Regenerate.
3197
3198 2008-04-04  Rafael Espíndola <espindola@google.com>
3199
3200         Merge with mainline @133631.
3201
3202         * configure.ac (ACX_PKGVERSION): Update revision merge string.
3203         * configure: Regenerate.
3204
3205 2008-04-04  Rafael Espíndola <espindola@google.com>
3206
3207         Merge with mainline @133630.
3208
3209         * configure.ac (ACX_PKGVERSION): Update revision merge string.
3210         * configure: Regenerate.
3211
3212 2008-04-03  Aldy Hernandez  <aldyh@redhat.com>
3213
3214         * omp-low.c (expand_omp_sections): Use
3215         gimple_omp_sections_control.
3216         (lower_omp_sections): Same.
3217         * gimplify.c (gimplify_omp_workshare): Adjust OMP clauses before
3218         creating gimple tuple.
3219         Add gimple tuple to sequence.
3220         Set OMP_SECTIONS_CONTROL in newly created tuple.
3221         * gimple.h (gimple_statement_omp_sections): Add control.
3222         (gimple_omp_sections_control): New.
3223         (gimple_omp_sections_control_ptr): New.
3224         (gimple_omp_sections_set_control): New.
3225
3226 2008-04-03  Oleg Ryjkov  <olegr@google.com>
3227
3228         * tree-nested.c (convert_nl_goto_receiver): Changed to hadle gimple
3229         statements instead of trees.
3230         (lower_nested_functions): Pass convert_nl_goto_receiver as the first
3231         parameter to walk_all_functions.
3232
3233 2008-04-03  Rafael Espíndola <espindola@google.com>
3234
3235         Merge with mainline @133624.
3236
3237         * configure.ac (ACX_PKGVERSION): Update revision merge string.
3238         * configure: Regenerate.
3239
3240 2008-04-03  Rafael Espíndola <espindola@google.com>
3241
3242         Merge with mainline @133612.
3243
3244         * configure.ac (ACX_PKGVERSION): Update revision merge string.
3245         * configure: Regenerate.
3246
3247 2008-04-03  Aldy Hernandez  <aldyh@redhat.com>
3248
3249         * tree-pretty-print.c (dump_generic_node): Remove
3250         OMP_{RETURN,CONTINUE} cases.
3251         * tree.h (OMP_RETURN_NOWAIT): Remove.
3252         * omp-low.c (dump_omp_region): Rename OMP_{CONTINUE,RETURN} to
3253         GIMPLE_OMP_{CONTINUE,RETURN}.
3254         (expand_omp_for_generic): Handle new arguments to
3255         GIMPLE_OMP_CONTINUE.
3256         (expand_omp_for_static_nochunk): Same.
3257         (expand_omp_for_static_chunk): Same.
3258         (expand_omp_sections): Same.
3259         (expand_omp): Rename all OMP_* to GIMPLE_OMP_*.
3260         (lower_omp_sections): Rename OMP_CONTINUE to GIMPLE_OMP_CONTINUE.
3261         (lower_omp_for): Same.
3262         * tree-gimple.c (is_gimple_stmt): Remove OMP_{RETURN,CONTINUE}
3263         cases.
3264         * gsstruct.def: Add GSS_OMP_CONTINUE.
3265         * gimple-pretty-print.c (dump_gimple_omp_continue): New.
3266         (dump_gimple_omp_return): New.
3267         (dump_gimple_stmt): Add cases for GIMPLE_OMP_{CONTINUE,RETURN}.
3268         * gimplify.c (gimplify_expr): Remove cases for
3269         OMP_{CONTINUE,RETURN}.
3270         * tree.def (DEFTREECODE): Remove OMP_{RETURN,CONTINUE}.
3271         * tree-cfgcleanup.c (cleanup_omp_return): Rename
3272         OMP_SECTIONS_SWITCH to GIMPLE_OMP_SECTIONS_SWITCH.
3273         * gimple.c (gss_for_code): GIMPLE_OMP_RETURN returns GSS_BASE.
3274         GIMPLE_OMP_CONTINUE return GSS_OMP_CONTINUE.
3275         (gimple_size): Adjust size of GIMPLE_OMP_{RETURN,CONTINUE}.
3276         (gimple_build_omp_continue): Change arguments.
3277         (walk_gimple_op): Walk GIMPLE_OMP_CONTINUE operands.
3278         (walk_gimple_stmt): Remove GIMPLE_OMP_CONTINUE case.
3279         * gimple.h (struct gimple_statement_omp_continue): New.
3280         (union gimple_statement_d): Add gimple_omp_continue.
3281         (gimple_build_omp_continue): Change argument types in prototype.
3282         (gimple_omp_return_set_nowait): Rename OMP_RETURN to
3283         GIMPLE_OMP_RETURN.
3284         (gimple_omp_continue_control_def): New.
3285         (gimple_omp_continue_control_def_ptr): New.
3286         (gimple_omp_continue_set_control_def): New.
3287         (gimple_omp_continue_control_use): New.
3288         (gimple_omp_continue_control_use_ptr): New.
3289         (gimple_omp_continue_set_control_use): New.
3290         * tree-cfg.c (make_edges): Rename OMP_ to GIMPLE_OMP_.
3291         (gimple_redirect_edge_and_branch): Same.
3292         * tree-ssa-operands.c (get_expr_operands): Remove OMP_CONTINUE
3293         case.
3294
3295 2008-04-02  Doug Kwan  <dougkwan@google.com>
3296
3297         * tree-complex.c (expand_complex_comparison): Set condition code
3298         correctly for the NE_EXPR case.
3299         * cfgexpand.c (gimple_to_tree): Generate assignment to return value
3300         if necessary.
3301
3302 2008-04-02  Rafael Espíndola <espindola@google.com>
3303
3304         Merge with mainline @133597.
3305
3306         * configure.ac (ACX_PKGVERSION): Update revision merge string.
3307         * configure: Regenerate.
3308
3309 2008-04-02  Rafael Espíndola <espindola@google.com>
3310
3311         Merge with mainline @133527.
3312
3313         * configure.ac (ACX_PKGVERSION): Update revision merge string.
3314         * configure: Regenerate.
3315
3316 2008-04-02  Rafael Espíndola <espindola@google.com>
3317
3318         Merge with mainline @133519.
3319
3320         * configure.ac (ACX_PKGVERSION): Update revision merge string.
3321         * configure: Regenerate.
3322
3323 2008-04-02  Rafael Espíndola <espindola@google.com>
3324
3325         Merge with mainline @133453.
3326
3327         * configure.ac (ACX_PKGVERSION): Update revision merge string.
3328         * configure: Regenerate.
3329
3330 2008-04-01  Doug Kwan  <dougkwan@google.com>
3331             Bill Maddox  <maddox@google.com>.
3332
3333         * value-prof.c (interesting_stringop_to_profile_p) Call
3334         validate_gimple_arglist instead of validate_arglist.
3335         * tree.h (validate_arglist): New declaration.
3336         * builtins.c (expand_builtin_setjmp_receiver, expand_builtin_longjmp,
3337         expand_builtin_nonlocal_goto, expand_builtin_nonlocal_goto,
3338         expand_builtin_update_setjmp_buf, expand_builtin_prefetch,
3339         expand_builtin_apply, expand_builtin_return, expand_builtin_mathfn,
3340         expand_builtin_mathfn_2, expand_builtin_mathfn_3,
3341         expand_builtin_interclass_mathfn, expand_builtin_sincos,
3342         expand_builtin_cexpi, expand_builtin_int_roundingfn,
3343         expand_builtin_int_roundingfn_2, expand_builtin_pow,
3344         expand_builtin_powi, expand_builtin_strlen, expand_builtin_strlen,
3345         expand_builtin_strstr, expand_builtin_strchr, expand_builtin_strrchr,
3346         expand_builtin_memcpy, expand_builtin_memcpy,
3347         expand_builtin_mempcpy_args, expand_builtin_bcopy, expand_movstr,
3348         expand_builtin_stpcpy, expand_builtin_strncpy, builtin_memset_gen_str,
3349         expand_builtin_bzero, expand_builtin_memchr, expand_builtin_memcmp,
3350         expand_builtin_strcmp, expand_builtin_strncmp, expand_builtin_strcat,
3351         expand_builtin_strncat, expand_builtin_strspn, expand_builtin_alloca,
3352         expand_builtin_bswap, expand_builtin_unop, expand_builtin_fputs,
3353         expand_builtin_fabs, expand_builtin_copysign,
3354         expand_builtin___clear_cache, expand_builtin_init_trampoline,
3355         expand_builtin_adjust_trampoline, expand_builtin_signbit,
3356         expand_builtin, validate_arg, expand_builtin_object_size,
3357         expand_builtin_object_size, expand_builtin_memory_chk) Re-enable code
3358         previously disabled for GIMPLE.
3359         (expand_builtin_memcpy, expand_builtin_memset_args): Re-enable code
3360         previously disabled for GIMPLE.  Look up tree attribute for original
3361         GIMPLE statement.
3362         (validate_arglist): Use old interface of tree node instead of GIMPLE
3363         statement.
3364         (validate_gimple_arglist):  New function.
3365         * cfgexpand.c (gimple_to_tree): Set GIMPLE statement tree attribute
3366         for builtin function calls.
3367         * tree-flow.h (struct tree_ann_common_d): New field stmt.
3368         * gimple.h (validate_gimple_arglist): New declaration.
3369         (validate_arglist): Moved to tree.h.
3370
3371 2008-03-31  Oleg Ryjkov  <olegr@google.com>
3372
3373         * gimplify.c (gimplify_switch_expr): Verify the return value from
3374         gimplify_expr.
3375
3376 2008-03-31  Rafael Espíndola <espindola@google.com>
3377
3378         Merge with mainline @133452.
3379
3380         * configure.ac (ACX_PKGVERSION): Update revision merge string.
3381         * configure: Regenerate.
3382
3383 2008-03-31  Rafael Espíndola <espindola@google.com>
3384
3385         Merge with mainline @133440.
3386
3387         * configure.ac (ACX_PKGVERSION): Update revision merge string.
3388         * configure: Regenerate.
3389
3390 2008-03-31  Rafael Espíndola <espindola@google.com>
3391
3392         Merge with mainline @133423.
3393
3394         * configure.ac (ACX_PKGVERSION): Update revision merge string.
3395         * configure: Regenerate.
3396
3397 2008-03-30  Rafael Espíndola <espindola@google.com>
3398
3399         Merge with mainline @133342.
3400
3401         * configure.ac (ACX_PKGVERSION): Update revision merge string.
3402         * configure: Regenerate.
3403
3404 2008-03-28  Rafael Espíndola <espindola@google.com>
3405
3406         Merge with mainline @133341.
3407
3408         * configure.ac (ACX_PKGVERSION): Update revision merge string.
3409         * configure: Regenerate.
3410
3411 2008-03-28  Oleg Ryjkov  <olegr@google.com>
3412
3413         * tree-eh.c (replace_goto_queue_1): Do a deep copy of the replacement
3414         sequence.
3415         (maybe_record_in_goto_queue): Set is_label flag when recording
3416         GIMPLE_GOTOs.
3417         (do_return_redirection, do_return_redirection): Changed to set
3418         cont_stmt.
3419         (lower_try_finally_onedest): Fix the code that assumes that gotos
3420         themselves(instead of the labels) are recorded in the goto_queue.
3421         (lower_try_finally_copy): Likewise.
3422         (lower_try_finally_switch): Likewise, also fix the VEC_* operations.
3423         * gimple.h (gimple_build_switch): Fixed comment.
3424
3425 2008-03-28  Doug Kwan  <dougkwan@google.com>
3426
3427         * omp-low.c (expand_omp_sections): Fix build breakage due to an
3428         uninitialized variable.
3429
3430 2008-03-28  Rafael Espíndola <espindola@google.com>
3431
3432         Merge with mainline @133315.
3433
3434         * configure.ac (ACX_PKGVERSION): Update revision merge string.
3435         * configure: Regenerate.
3436
3437 2008-03-28  Diego Novillo  <dnovillo@google.com>
3438
3439         * omp-low.c (expand_omp_for_static_chunk): Initialize
3440         V_MAIN and V_BACK.
3441         (expand_omp_for): Initialize VIN.
3442
3443 2008-03-28  Rafael Espíndola <espindola@google.com>
3444
3445         Merge with mainline @133313.
3446
3447         * configure.ac (ACX_PKGVERSION): Update revision merge string.
3448         * configure: Regenerate.
3449
3450 2008-03-27  Doug Kwan  <dougkwan@google.com>
3451
3452         * c-decl.c (merge_decls): Also copy gimple bodies of decls.
3453         * gimplify.c (gimplify_call_expr): Do not exit early when
3454         gimplifying __builtin_va_start().
3455
3456 2008-03-27  Oleg Ryjkov  <olegr@google.com>
3457
3458         * gimple.c (walk_gimple_op): Add a check for assignments with more
3459         than one operand on the LHS.
3460
3461 2008-03-27  Aldy Hernandez  <aldyh@redhat.com>
3462
3463         * tree.c (empty_body_p): Remove.
3464         * tree.h (empty_body_p): Remove prototype.
3465         * omp-low.c (struct omp_context): Convert to tuples.
3466         (struct omp_context): Comment and convert to tuples.
3467         (scan_omp_op): New.
3468         (is_parallel_ctx): Convert to tuples.
3469         (extract_omp_for_data): Same.
3470         (workshare_safe_to_combine_p): Same.
3471         (get_ws_args_for): Same.
3472         (determine_parallel_type): Same.
3473         (use_pointer_for_field): Same.
3474         (dump_omp_region): Same.
3475         (debug_all_omp_regions): Same.
3476         (new_omp_region): Same.
3477         (new_omp_context): Same.
3478         (scan_sharing_clauses): Same.
3479         (create_omp_child_function): Same.
3480         (scan_omp_parallel): Same.
3481         (scan_omp_for): Same.
3482         (scan_omp_sections): Same.
3483         (scan_omp_single): Same.
3484         (check_omp_nesting_restrictions): Same.
3485         (scan_omp_1_op): New.
3486         (scan_omp_1_stmt): Rename from scan_omp_1.  Rewrite for tuples.
3487         (scan_omp): Convert to tuples.
3488         (build_omp_barrier): Same.
3489         (maybe_lookup_ctx): Same.
3490         (lower_rec_input_clauses): Same.
3491         (lower_lastprivate_clauses): Same.
3492         (lower_reduction_clauses): Same.
3493         (lower_copyprivate_clauses): Same.
3494         (lower_send_clauses): Same.
3495         (lower_send_shared_vars): Same.
3496         (expand_parallel_call): Same.
3497         (remove_exit_barrier): Same.
3498         (remove_exit_barriers): Same.
3499         (optimize_omp_library_calls): Same.
3500         (expand_omp_parallel): Same.
3501         (expand_omp_for_generic): Comment out, and convert to tuples.
3502         (expand_omp_for_static_nochunk): Convert to tuples.
3503         (expand_omp_for_static_chunk): Same.
3504         (expand_omp_for): Same.
3505         (expand_omp_sections): Same.
3506         (expand_omp_synch): Same.
3507         (expand_omp_atomic_fetch_op): Same.
3508         (expand_omp_atomic_pipeline): Same.
3509         (expand_omp_atomic_mutex): Same.
3510         (expand_omp_atomic): Same.
3511         (expand_omp): Same.
3512         (build_omp_regions_1): Same.
3513         (execute_expand_omp): Enable.
3514         (execute_lower_omp): Enable and convert to tuples.
3515         * gimple-dummy.c (omp_reduction_init): Remove.
3516         * tree-flow.h (struct omp_region): Convert 'type' to tuples.
3517         (new_omp_region): Adjust prototype for tuples.
3518         * gimple.c (empty_stmt_p): New.
3519         (empty_body_p): New.
3520         * gimple.h (empty_body_p): New prototype.
3521         (gimple_has_location): Remove fixmes.
3522         * tree-cfg.c (gimple_block_label): Remove ATTRIBUTE_UNUSED.
3523
3524 2008-03-27  Rafael Espíndola <espindola@google.com>
3525
3526         Merge with mainline @133311.
3527
3528         * configure.ac (ACX_PKGVERSION): Update revision merge string.
3529         * configure: Regenerate.
3530
3531 2008-03-27  Rafael Espíndola <espindola@google.com>
3532
3533         * gcc/tree-nested.c (save_tmp_var): Use gsi_insert_after_without_update
3534         instead of gsi_insert_after.
3535
3536 2008-03-26 Jakub Staszak <kuba@et.pl>
3537
3538         * gimple.h (gimple_uid, gimple_set_uid): Defined.
3539         (gimple_statement_base): Field UID added.
3540         * tree-ssa-dse.c (execute_simple_dse): #if 0 removed, bitmap_empty_p
3541         condition added. (memory_ssa_name_same, memory_address_same,
3542         get_kill_of_stmt_lhs, dse_possible_dead_store_p, dse_optimize_stmt,
3543         dse_record_phis, dse_finalize_block, tree_ssa_dse): Tuplified.
3544         * passes.c (init_optimization_passes): pass_simple_dse and pass_dse
3545         enabled.
3546         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: {dg-final} changed.
3547         * testsuite/gcc.dg/tree-ssa/pr30375.c: {dg-final} changed.
3548
3549 2008-03-26  Rafael Espíndola <espindola@google.com>
3550         * gcc/tree-ssa-operands.c (ssa_operands_active): Assert that cfun is
3551         not NULL.
3552         * gcc/tree-nested.c (init_tmp_var): Use
3553         gsi_insert_before_without_update instead of gsi_insert_before.
3554
3555 2008-03-25  Rafael Espíndola <espindola@google.com>
3556
3557         Merge with mainline @133309.
3558
3559         * configure.ac (ACX_PKGVERSION): Update revision merge string.
3560         * configure: Regenerate.
3561
3562 2008-03-25  Rafael Espíndola <espindola@google.com>
3563
3564         Merge with mainline @133306.
3565
3566         * configure.ac (ACX_PKGVERSION): Update revision merge string.
3567         * configure: Regenerate.
3568
3569 2008-03-25  Bill Maddox  <maddox@google.com>
3570
3571         * tree-ssa-dom.c (loop_depth_of_name): Tuplify.
3572         * tree-ssa-copy.c (stmt_may_generate_copy,
3573         copy_prop_visit_assignment, copy_prop_visi_cond_stmt,
3574         copy_prop_visit_stmt, copy_prop_visit_phi_node,
3575         init_copy_prop, execute_copy_prop): Tuplify.
3576         * passes.c (init_optimization_passes):
3577         Enable pass_copy_prop.
3578
3579 2008-03-25  Rafael Espíndola <espindola@google.com>
3580
3581         Merge with mainline @133257.
3582
3583         * configure.ac (ACX_PKGVERSION): Update revision merge string.
3584         * configure: Regenerate.
3585
3586 2008-03-25  Oleg Ryjkov  <olegr@google.com>
3587
3588         * gimple.c (gimple_build_bind): Added a new parameter - the
3589         containing block.
3590         * gimple.h (gimple_build_bind): Changed the header accordingly.
3591         * gimplify.c (gimplify_bind_expr, gimplify_function_tree): Updated
3592         the callers of gimple_build_bind.
3593         (gimplify_body): Updated the call to gimple_build_bind and moved
3594         the copying of block information into gimplify_bind_expr.
3595
3596 2008-03-25  Rafael Espíndola <espindola@google.com>
3597
3598         Merge with mainline @133255.
3599
3600         * configure.ac (ACX_PKGVERSION): Update revision merge string.
3601         * configure: Regenerate.
3602
3603 2008-03-25  Rafael Espíndola <espindola@google.com>
3604
3605         Merge with mainline @133251.
3606
3607         * configure.ac (ACX_PKGVERSION): Update revision merge string.
3608         * configure: Regenerate.
3609
3610 2008-03-25  Rafael Espíndola <espindola@google.com>
3611
3612         Merge with mainline @133250.
3613
3614         * configure.ac (ACX_PKGVERSION): Update revision merge string.
3615         * configure: Regenerate.
3616
3617 2008-03-24  Rafael Espíndola <espindola@google.com>
3618
3619         Merge with mainline @133246.
3620
3621         * configure.ac (ACX_PKGVERSION): Update revision merge string.
3622         * configure: Regenerate.
3623
3624 2008-03-24  Rafael Espíndola <espindola@google.com>
3625
3626         Merge with mainline @133222.
3627
3628         * configure.ac (ACX_PKGVERSION): Update revision merge string.
3629         * configure: Regenerate.
3630
3631 2008-03-24  Andrew Pinski  <pinskia@gmail.com>
3632
3633         * passes.c (init_optimization_passes): Enable pass_split_crit_edges.
3634
3635 2008-03-24  Rafael Espíndola <espindola@google.com>
3636
3637         Merge with mainline @133169.
3638
3639         * configure.ac (ACX_PKGVERSION): Update revision merge string.
3640         * configure: Regenerate.
3641
3642 2008-03-21  Rafael Espíndola <espindola@google.com>
3643
3644         Merge with mainline @133168.
3645
3646         * configure.ac (ACX_PKGVERSION): Update revision merge string.
3647         * configure: Regenerate.
3648
3649 2008-03-21  Rafael Espíndola <espindola@google.com>
3650
3651         Merge with mainline @133167.
3652
3653         * configure.ac (ACX_PKGVERSION): Update revision merge string.
3654         * configure: Regenerate.
3655
3656 2008-03-20  Oleg Ryjkov  <olegr@google.com>
3657
3658         * tree-eh.c (lower_try_finally): Correctly set the lowered sequence.
3659
3660 2008-03-20  Jakub Staszak  <kuba@et.pl>
3661             Oleg Ryjkov  <olegr@google.com>
3662
3663         * tree-ssa-sink.c (is_hidden_global_store): Tuplified.
3664         * tree-ssa-dce.c (mark_stmt_necessary, mark_operand_necessary,
3665         mark_stmt_if_obviously_necessary,
3666         mark_control_dependent_edges_necessary,
3667         find_obviously_necessary_stmts, propagate_necessity,
3668         remove_dead_phis, eliminate_unnecessary_stmts, tree_dce_init,
3669         tree_dce_done): Tuplified.
3670         * tree-flow.h (is_hidden_global_store): Tuplified the declaration.
3671         * passes.c (init_optimization_passes): Enabled pass_dce and
3672         pass_cd_dce.
3673
3674 2008-03-20  Oleg Ryjkov <olegr@google.com>
3675
3676         * tree-complex.c (init_dont_simulate_again, complex_visit_stmt,
3677         update_complex_components, expand_complex_operations_1): Consider
3678         GIMPLE_CALLs with a lhs, not only GIMPLE_ASSIGNs.
3679         * gimplify.c (get_tmp_var_for): Removed.
3680         (gimplify_call_expr): Remove call to get_tmp_var_for, set
3681         gimple_register on a new lhs in some cases.
3682
3683 2008-03-20  Rafael Espíndola <espindola@google.com>
3684
3685         Merge with mainline @133162.
3686
3687         * configure.ac (ACX_PKGVERSION): Update revision merge string.
3688         * configure: Regenerate.
3689
3690 2008-03-20  Rafael Espíndola <espindola@google.com>
3691
3692         Merge with mainline @133161.
3693
3694         * configure.ac (ACX_PKGVERSION): Update revision merge string.
3695         * configure: Regenerate.
3696
3697 2008-03-20  Rafael Espíndola <espindola@google.com>
3698
3699         Merge with mainline @133140.
3700
3701         * configure.ac (ACX_PKGVERSION): Update revision merge string.
3702         * configure: Regenerate.
3703
3704 2008-03-20  Rafael Espíndola <espindola@google.com>
3705
3706         Merge with mainline @133138.
3707
3708         * configure.ac (ACX_PKGVERSION): Update revision merge string.
3709         * configure: Regenerate.
3710
3711 2008-03-18  Bill Maddox  <maddox@google.com>
3712
3713         * builtins.c (fold_builtin_object_size):
3714         Enable call to compute_builtin_object_size, previously
3715         stubbed out awaiting tuplification.
3716         * tree-ssa-ccp.c (valid_gimple_rhs_p, valid_gimple_call_p,
3717         move_ssa_defining_stmt_for_defs, update_call_from_tree):
3718         Deleted, moved to tree-ssa-propagate.c.
3719         (get_maxval_strlen): Use gimple_assign_single_p.
3720         Handle assignment with unary NOP correctly.
3721         * tree-ssa-propagate.c (valid_gimple_rhs_p, valid_gimple_call_p,
3722         move_ssa_defining_stmt_for_defs, update_call_from_tree):
3723         Moved here from tree-ssa-ccp.c.
3724         * tree-ssa-propagate.h (valid_gimple_rhs_p, valid_gimple_call_p,
3725         move_ssa_defining_stmt_for_defs, update_call_from_tree): Declared.
3726         * gimple-dummy.c (compute_builtin_object_size): Removed dummy.
3727         * tree_object_size.c (addr_object_size, alloc_object_size)
3728         Tuplified.
3729         (pass_through_call, compute_builtin_object_size): Tuplified.
3730         (expr_object_size): Tuplified.  Some cases broken out.
3731         (plus_expr_object_size): Deleted.
3732         (call_object_size, unknown_object_size, plus_stmt_object_size):
3733         New functions.  Handle cases broken out from expr_object_size.
3734         (cond_expr_object_size): Fix comment.
3735         (collect_object_sizes_for): Tuplify.
3736         (check_for_plus_in_loops_1, check_for_plus_in_loops): Tuplify.
3737         (compute_object_sizes): Tuplify.
3738         * gimple.c (gimple_assign_single_p, gimple_assign_unary_nop_p):
3739         New functions.
3740         * gimple.h (gimple_assign_single_p, gimple_assign_unary_nop_p):
3741         Declare.
3742         * passes.c (init_optimization_passes): Enable pass_object_sizes.
3743
3744 2008-03-18  Diego Novillo  <dnovillo@google.com>
3745             Oleg Ryjkov  <olegr@google.com>
3746
3747         * gimplify.c (gimplify_body): Copy the block information from
3748         the tree function body to gimple function body.
3749         (gimplify_function_tree): Correctly wrap the function body
3750         into the try/finally block if creating one.
3751         * gimple.c (gimple_seq_has_side_effects): Removed.
3752         * gimple.h (gimple_seq_has_side_effects): Removed declaration.
3753         * tree-cfg.c (remove_useless_stmts_tf, remove_useless_stmts_tc):
3754         Modified to use gimple_seq_empty_p instead of
3755         gimple_seq_has_side_effects.
3756
3757 2008-03-18  Aldy Hernandez  <aldyh@redhat.com>
3758
3759         * gimple.c (walk_gimple_stmt): Collapse common code.
3760         Add case for GIMPLE_WITH_CLEANUP_EXPR.
3761
3762 2008-03-17  Zdenek Dvorak  <ook@ucw.cz>
3763
3764         * gimple-iterator.c (gsi_for_stmt): Use gsi_start_phis.
3765         (gsi_start_phis): New function.
3766         * gimple.h (gsi_start_phis): Declare.
3767         * tree-into-ssa.c (initialize_flags_in_bb, rewrite_initialize_block,
3768         rewrite_add_phi_arguments, rewrite_update_init_block,
3769         prepare_block_for_update): Use gsi_start_phis.
3770         * tree-complex.c (init_dont_simulate_again, update_phi_components):
3771         Ditto.
3772         * tree-ssa-loop-manip.c (find_uses_to_rename_bb,
3773         verify_loop_closed_ssa, split_loop_exit_edge,
3774         tree_transform_and_unroll_loop): Ditto.
3775         * tree-scalar-evolution.c (loop_closed_phi_def,
3776         analyze_scalar_evolution_for_all_loop_phi_nodes, scev_const_prop):
3777         Ditto.
3778         * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_args):
3779         Ditto.
3780         * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
3781         * tree-ssa-ccp.c (ccp_initialize): Ditto.
3782         * tree-ssa-loop-ivopts.c (find_bivs, mark_bivs,
3783         find_interesting_uses_outside, find_interesting_uses,
3784         determine_set_costs): Ditto.
3785         * tree-ssa-propagate.c (simulate_block, ssa_prop_init,
3786         substitute_and_fold): Ditto.
3787         * tree-ssa-alias.c (dump_points_to_info, create_structure_vars): Ditto.
3788         * gimple-pretty-print.c (dump_phi_nodes): Ditto.
3789         * tree-data-ref.c (stmts_from_loop): Ditto.
3790         * tree-ssa-coalesce.c (build_ssa_conflict_graph,
3791         create_outofssa_var_map, coalesce_partitions): Ditto.
3792         * tree-dfa.c (collect_dfa_stats): Ditto.
3793         * tree-cfgcleanup.c (phi_alternatives_equal, remove_forwarder_block,
3794         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
3795         * tree-ssa-live.c (remove_unused_locals, calculate_live_on_exit,
3796         verify_live_on_entry): Ditto.
3797         * tree-ssa.c (ssa_redirect_edge, flush_pending_stmts, verify_ssa,
3798         execute_late_warn_uninitialized, execute_update_addresses_taken):
3799         Ditto.
3800         * tree-outof-ssa.c (eliminate_build, eliminate_virtual_phis,
3801         rewrite_trees, remove_ssa_form, insert_backedge_copies):
3802         Ditto.
3803         * cfgloop.c (find_subloop_latch_edge_by_ivs): Ditto.
3804         * tree-ssa-structalias.c (compute_points_to_sets, ipa_pta_execute):
3805         Ditto.
3806         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block,
3807         reinstall_phi_args, verify_stmts, gimple_make_forwarder_block,
3808         add_phi_args_after_copy_edge, gimple_lv_adjust_loop_header_phi):
3809         Ditto.
3810
3811 2008-03-16  Zdenek Dvorak  <ook@ucw.cz>
3812
3813         * tree-ssa-loop-ivopts.c: Tuplify.
3814         * gimple-dummy.c (multiplier_allowed_in_address_p, multiply_by_cost,
3815         tree_ssa_iv_optimize): Removed.
3816         * tree-ssa-phiopt.c (empty_block_p): Tuplify.
3817         * gimple.h (gimple_cond_lhs_ptr, gimple_cond_rhs_ptr): New.
3818         * passes.c (init_optimization_passes): Enable pass_iv_optimize.
3819
3820         * gimplify.c (gimplify_omp_workshare, gimplify_expr): Avoid using
3821         uninitialized sequence.
3822
3823 2008-03-13  Bill Maddox  <maddox@google.com>
3824
3825         * tree.h (fold_call_stmt, gimple_fold_builtin_snprintf_chk):
3826         Declare new functions.
3827         * builtins.c (fold_builtin_object_size): Disable call to
3828         compute_builtin_object_size, which has not been converted.
3829         (gimple_rewrite_call_expr, gimple_fold_builtin_sprintf_chk,
3830         gimple_fold_builtin_snprintf_chk, gimple_fold_builtin_varargs,
3831         fold_call_stmt): New functions.
3832         * tree-chrec.h (build_polynomial_chrec): Silence uninitialized
3833         variable warning.
3834         * tree-ssa-ccp.c (likely_value): Recognize additional cases
3835         of constant values.
3836         (surely_varying_stmt_p): Note that return statements are not
3837         interesting to CCP as they no longer contain assignments.
3838         (ccp_fold): Add missing spaces.
3839         (valid_gimple_call_p): New function.
3840         (get_maxval_strlen): Don't trip over unary operator.
3841         (ccp_fold_builtin): Use fold_call_stmt and
3842         gimple_fold_builtin_snprintf_chk.  Enable disabled
3843         call now that target has been converted for tuples.
3844         Add missing spaces.
3845         (move_ssa_defining_stmt_for_defs): New function.
3846         (update_call_from_tree): New function.
3847         (fold_gimple_call): Use update_call_from_tree.
3848         (fold_stmt_inplace): Assert that operand folding tree
3849         walk goes to completion, i.e., does not return non-null.
3850         (optimize_stack_restore, optimize_stdarg_builtin):
3851         Convert to tuples
3852         (convert_to_gimple_builtin): Removed.
3853         (gimplify_and_update_call_from_tree): New function.
3854         Replaces convert_to_gimple_builtin.
3855         (execute_fold_all_builtins): Convert to tuples.
3856         * tree-ssa-propagate.c (replace_uses_in): Removed
3857         replaced_address argument.  Made function static.
3858         (replace_vuses_in): Removed replaced_address argument.
3859         (substitute_and_fold): Removed replaced_address boolean,
3860         which was set but never examined.
3861         * tree-ssa-propagate.h (replace_uses_in): Removed declaration.
3862         * gimple-iterator.c (update_modified_stmt): Moved to
3863         head of file to avoid a forward declaration.
3864         (update_modified_stmts): New function.
3865         (gsi_insert_seq_before_without_update,
3866         gsi_insert_before_without_update,
3867         gsi_insert_seq_after_without_update,
3868         gsi_insert_after_without_update): New functions.
3869         (gsi_insert_before, gsi_insert_seq_before,
3870         gsi_insert_after, gsi_insert_seq_after): Call the
3871         _without_update variants.
3872         * gimplify.c (gimplify_seq_add_stmt, gimplify_seq_add_seq):
3873         New functions.
3874         (gimple_pop_condition, gimplify_return_expr, gimplify_loop_expr,
3875         gimplify_switch_expr, gimplify_case_label_expr,
3876         gimplify_self_mod_expr, gimplify_call_expr,
3877         gimplify_modify_expr_to_memcpy, gimplify_modify_expr_to_memset,
3878         gimplify_init_ctor_eval_range, gimpllify_modify_expr_complex_part,
3879         gimplify_modify_expr, gimplify_asm_expr, gimplify_cleanup_point_expr,
3880         gimple_push_cleanup, gimplify_omp_parallel, gimplify_omp_atomic,
3881         gimplify_expr, gimplify_body, gimplify_function_tree): When adding
3882         to statement sequences in the gimplifier, do not update operands.
3883         * tree-dfa.c (find_new_referenced_vars): Convert to tuples.
3884         * tree-flow.h (find_new_referenced_vars): Declare with new signature.
3885         * gimple.h (gimple_return_set_retval): Fix argument validation.
3886         (gsi_insert_seq_before_without_update,
3887         gsi_insert_before_without_update,
3888         gsi_insert_seq_after_without_update,
3889         gsi_insert_after_without_update): Declare new functions.
3890         * gimple.c (gimple_build_return): Rely on gimple_return_set_retval
3891         to perform argument validation.
3892         * passes.c (init_optimization_passes): Enable pass_fold_builtins.
3893
3894 2008-03-13  Oleg Ryjkov  <olegr@google.com>
3895
3896         * tree-cfg.c (gimplify_val): Removed.
3897         (gimplify_build1, gimplify_build2, gimplify_build3): Use
3898         force_gimple_operand_gsi instead of gimplify_val.
3899         * tree-complex.c (extract_component): Use force_gimple_operand_gsi
3900         instead of gimplify_val.
3901         * tree-vect-generic.c (expand_vector_parallel): Ditto.
3902
3903 2008-03-13  Diego Novillo  <dnovillo@google.com>
3904             Oleg Ryjkov  <olegr@google.com>
3905
3906         * tree-ssa-operands.c (get_expr_operands): Handle FILTER_EXPR and
3907         EXC_PTR_EXPR.
3908
3909 2008-03-12  Diego Novillo  <dnovillo@google.com>
3910             Oleg Ryjkov  <olegr@google.com>
3911
3912         * cfgexpand.c (gimple_to_tree): Record the correct type when
3913         converting GIMPLE_CALL.
3914
3915 2008-03-12  Zdenek Dvorak  <ook@ucw.cz>
3916
3917         * tree-ssa-loop-im.c (stmt_cost, rewrite_bittest,
3918         determine_invariantness_stmt, gather_mem_refs_stmt):
3919         Use gimple_assign_rhs_code.
3920         * cfgexpand.c (gimple_to_tree): Ditto.
3921         * tree-inline.c (estimate_num_insns): Ditto.
3922         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
3923         * tree-ssa-ccp.c (likely_value, ccp_fold, evaluate_stmt,
3924         * gimple.c (gimple_fold, gimple_assign_set_rhs_with_ops): Ditto.
3925         * tree-ssa-structalias.c (handle_ptr_arith): Ditto.
3926         fold_gimple_assign): Ditto.
3927         * value-prof.c (gimple_divmod_fixed_value_transform): Ditto.
3928         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3929         * tree-ssa-propagate.c (stmt_makes_single_load,
3930         substitute_and_fold): Ditto.
3931         * tree-ssa-loop-niter.c (chain_of_csts_start): Exclude memory loads.
3932         (get_val_for): Assert that the statement is an assignment.
3933         (derive_constant_upper_bound_assign,
3934         expand_simple_operations): Use gimple_assign_rhs_code.
3935         * tree-ssa-loop-manip.c (create_iv, ip_normal_pos,
3936         standard_iv_increment_position, determine_exit_conditions,
3937         tree_transform_and_unroll_loop): Tuplify.
3938         * tree-scalar-evolution.c (interpret_expr): Fail for chrecs.
3939         (interpret_gimple_assign, follow_ssa_edge_in_rhs): Use
3940         gimple_assign_rhs_code.
3941         * tree-gimple.c (gimple_assign_rhs_code): New function.
3942         * tree-gimple.h (gimple_assign_rhs_code): Declare.
3943         * tree-ssa-loop-ivopts.c (single_dom_exit): Enable.
3944         * gimple-dummy.c (compute_data_dependences_for_loop, dump_ddrs,
3945         free_data_refs, free_dependence_relations,
3946         gimple_duplicate_loop_to_header_edge, tree_ssa_prefetch_arrays,
3947         estimated_loop_iterations_int): Removed.
3948         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Tuplify.
3949         * predict.c, tree-data-ref.c, tree-ssa-loop-prefetch.c: Tuplify.
3950         * tree-data-ref.h (struct data_reference, struct rdg_vertex): Change
3951         the type of stmt to gimple.
3952         (get_references_in_stmt, create_data_ref, rdg_vertex_for_stmt,
3953         stores_from_loop, remove_similar_memory_refs,
3954         have_similar_memory_accesses): Declaration changed.
3955         * gimple-iterator.c (gsi_insert_seq_on_edge_immediate): New.
3956         * gimple-pretty-print.c (dump_gimple_assign): Dump nontemporal
3957         move.  Use gimple_assign_rhs_code.
3958         (dump_unary_rhs, dump_binary_rhs): Use gimple_assign_rhs_code.
3959         * gimplify.c (gimplify_modify_expr): Set lhs of the assignment to
3960         the new SSA name.
3961         * tree-ssa-coalesce.c (build_ssa_conflict_graph,
3962         create_outofssa_var_map): Use gimple_assign_copy_p.
3963         * tree-predcom.c (mark_virtual_ops_for_renaming): Enable.
3964         * tree-inline.c (estimate_num_insns): Use gimple_assign_rhs_code.
3965         * tree-flow.h (mark_virtual_ops_for_renaming): Declaration changed.
3966         * gimple.h (struct gimple_statement_base): Change unused_4 flag
3967         to nontemporal_move flag.
3968         (gimple_assign_nontemporal_move_p, gimple_assign_set_nontemporal_move):
3969         New functions.
3970         (gsi_insert_seq_on_edge_immediate): Declare.
3971         (gimple_assign_rhs2): Return NULL if the statement does not have two
3972         operands.
3973         (gimple_assign_subcode): Removed.
3974         * tree-cfg.c (verify_types_in_gimple_assign): Use
3975         gimple_assign_rhs_code.
3976         (gimple_lv_adjust_loop_header_phi, gimple_lv_add_condition_to_bb):
3977         Tuplify.
3978         (gimple_cfg_hooks): Enable lv_add_condition_to_bb and
3979         lv_adjust_loop_header_phi hooks.
3980         * passes.c (init_optimization_passes): Enable pass_profile,
3981         pass_check_data_deps and pass_loop_prefetch.
3982
3983 2008-03-11  Diego Novillo <dnovillo@google.com>
3984
3985         * tree-ssa-operands.h: Added declaration of add_to_addressable_set.
3986         * tree-ssa-operands.h (add_to_addressable_set): New function.
3987         (gimple_add_to_addresses_taken): Moved most of the logic to
3988         add_addressable_set.
3989         * tree-ssa-structalias.c (update_alias_info): Record the variables
3990         whose address is taken inside a phi node.
3991
3992 2008-03-11  Aldy Hernandez  <aldyh@redhat.com>
3993
3994         * tree-phinodes.c (allocate_phi_node): Update for tuples.
3995         * gimplify.c (gimplify_function_tree): Dump memory stats.
3996         * gimple.c:  Declare gimple_alloc_counts, gimple_alloc_sizes,
3997         and gimple_alloc_kind_names.
3998         (gimple_alloc): Gather statistics for tuples.
3999         (gimple_build_asm_1): Same.
4000         (gimple_seq_alloc): Same.
4001         (dump_gimple_statistics): New.
4002         * gimple.h: Define gimple_alloc_kind.
4003         (gimple_alloc_kind): New.
4004         (dump_gimple_statistics): Protoize.
4005         * tree-ssa-copy.c (replace_exp_1): Mark for_propagation as unused
4006         (merged from mainline).
4007
4008 2008-03-11  Diego Novillo  <dnovillo@google.com>
4009
4010         Merge with mainline @133081.
4011
4012         * configure.ac (ACX_PKGVERSION): Update revision merge string.
4013         * configure: Regenerate.
4014
4015 2008-03-06  Diego Novillo  <dnovillo@google.com>
4016
4017         Merge with mainline @132948
4018
4019         * configure.ac (ACX_PKGVERSION): Update revision merge string.
4020         * configure: Regenerate.
4021
4022 2008-03-06  Diego Novillo  <dnovillo@google.com>
4023
4024         * config/rs6000/rs6000.c (rs6000_alloc_sdmode_stack_slot):
4025         Call walk_gimple_op.
4026         * tree-complex.c (expand_complex_div_wide): Call
4027         split_block with STMT.
4028
4029 2008-03-06  Diego Novillo  <dnovillo@google.com>
4030
4031         * gimple.h (struct gimple_statement_base): Rename field
4032         'locus' to 'location'.  Update all users.
4033         (gimple_location): Rename from gimple_locus.  Update all
4034         users.
4035         (gimple_set_location): Rename from gimple_set_locus.
4036         Update all users.
4037         (gimple_has_location): Rename from gimple_location_empty_p.
4038         Change sign of return value.  Update all users.
4039         * gimplify.c (tree_annotate_all_with_location): Rename
4040         from tree_annotate_all_with_locus.
4041         (annotate_all_with_location): Rename from
4042         annotate_all_with_locus.
4043
4044 2008-03-05  Diego Novillo  <dnovillo@google.com>
4045
4046         * gimple.c (gimple_set_lhs): Remove return keywords.
4047
4048 2008-03-05  David Daney  <ddaney@avtrex.com>
4049
4050         * builtins.c (expand_builtin___clear_cache): Disable call to
4051         validate_arglist.
4052         * config/mips/mips.c (mips_gimplify_va_arg_expr): Tuplify.
4053
4054 2008-03-05  Bill Maddox  <maddox@google.com>
4055
4056         * tree-ssa-ccp.c (dump_lattice_value, debug_lattice_value):
4057         Re-enable functions #if'd out.
4058         (test_default_value, likely_value, surely_varying_stmt_p,
4059         ccp_initialize, ccp_visit_phi_node, ccp_fold, evaluate_stmt,
4060         visit_assignment, visit_cond_stmt, ccp_visit_stmt):
4061         Convert to tuples.
4062         (fold_gimple_call):  Don't trip over call that simplifies to
4063         another call, not a constant.
4064         * tree-ssa-propagate.c (ssa_prop_init): Initialize in-worklist
4065         flag for phi nodes as well as statements.
4066         (valid_gimple_expression_p): Add fixme comment to remove this.
4067         function.  It currently has static uses, but asserts when called.
4068         (stmt_makes_single_load, stmt_makes_single_store):
4069         Convert to tuples
4070         (replace_phi_args_in): Convert to tuples.  Fix typo in comment.
4071         * gimple.c (gimple_copy_no_def_use, gimple_get_lhs,
4072         gimple_set_lhs): New function.
4073         * gimple.h (gimple_copy_no_def_use, gimple_get_lhs,
4074         gimple_set_lhs): Declare new function.
4075         * tree-cfg.c (replace_uses_by): Add comment regarding empty
4076         operands.
4077         * passes.c (init_optimization_passes): Enable pass_ccp and
4078         pass_store_ccp.
4079
4080 2008-03-05  David Daney  <ddaney@avtrex.com>
4081
4082         * tree-phinodes.c (allocate_phi_node): Fix syntax errors from
4083         previous commit.
4084
4085 2008-03-05  Rafael Espíndola  <espindola@google.com>
4086
4087         * tree-phinodes.c (allocate_phi_node): free free_phinodes[bucket]
4088         if empty.
4089
4090 2008-03-05  Diego Novillo  <dnovillo@google.com>
4091
4092         http://gcc.gnu.org/ml/gcc/2008-03/msg00256.html
4093
4094         * fold-const.c (tree_binary_nonnegative_warnv_p): Fix
4095         invalid C90 declaration.
4096         (tree_single_nonnegative_warnv_p): Likewise.
4097         * gimplify.c (gimplify_bind_expr): Likewise.
4098         (gimplify_return_expr): Likewise.
4099
4100 2008-03-04  Zdenek Dvorak  <ook@ucw.cz>
4101
4102         * tree-ssa-loop-niter.c, tree-scalar-evolution.c: Tuplified.
4103         * tree-ssa-loop-manip.c (split_loop_exit_edge): Ditto.
4104         * tree-chrec.c (chrec_fold_plus, chrec_apply, chrec_convert_1,
4105         convert_affine_scev, chrec_convert_rhs, chrec_convert,
4106         chrec_convert_aggressive): Pass statements as gimple.
4107         * tree-scalar-evolution.h (get_loop_exit_condition, simple_iv):
4108         Type changed.
4109         * tree-chrec.h (chrec_convert, chrec_convert_rhs): Ditto.
4110         * tree-ssa-loop-ivopts.c (abnormal_ssa_name_p,
4111         idx_contains_abnormal_ssa_name_p, contains_abnormal_ssa_name_p,
4112         expr_invariant_in_loop_p, tree_int_cst_sign_bit): Enabled.
4113         * gimple-dummy.c (chrec_dont_know, chrec_known, chrec_not_analyzed_yet,
4114         analyze_scalar_evolution, chrec_contains_symbols_defined_in_loop,
4115         estimate_numbers_of_iterations, expr_invariant_in_loop_p,
4116         free_numbers_of_iterations_estimates,
4117         free_numbers_of_iterations_estimates_loop, get_loop_exit_condition,
4118         instantiate_parameters, nowrap_type_p. scev_const_prop. scev_finalize,
4119         scev_initialize, scev_probably_wraps_p, scev_reset,
4120         tree_int_cst_sign_bit, number_of_iterations_exit, loop_niter_by_eval,
4121         substitute_in_loop_info): Removed.
4122         * tree-ssa-loop.c (tree_loop_optimizer_init): Merged into...
4123         (tree_ssa_loop_init): ... here.  Enable scev_initialize call.
4124         (tree_ssa_loop_done): Enable scev finalization.
4125         * gimple-iterator.c (gsi_insert_seq_nodes_before): Allow inserting
4126         at the end of basic block.
4127         (gsi_for_stmt): Handle phi nodes.
4128         * cfgloop.h (struct nb_iter_bound): Change type of stmt field to gimple.
4129         * tree-flow.h (scev_probably_wraps_p, convert_affine_scev,
4130         stmt_dominates_stmt_p): Types changed.
4131         * Makefile.in (gt-tree-scalar-evolution.h): Enable.
4132         * gimple.c (extract_ops_from_tree): Export.
4133         (gimple_copy): Do not share bitmaps.
4134         * gimple.h (extract_ops_from_tree): Declare.
4135         (gimple_call_set_lhs): Allow lhs to be NULL.
4136         * tree-cfg.c (add_phi_args_after_copy_edge,
4137         add_phi_args_after_copy_bb): Tuplify.
4138         * passes.c (init_optimization_passes): Enable pass_ch, pass_scev_cprop.
4139
4140 2008-03-04  Oleg Ryjkov  <olegr@google.com>
4141
4142         * tree-ssa-dse.c (execute_simple_dse): Commented out.
4143         * passes.c (init_optimization_passes): Disabling pass_simple_dse.
4144
4145 2008-03-04  Bill Maddox  <maddox@google.com>
4146
4147         * tree-cfg.c (remove_useless_stmts_1):
4148         Correctly distinguish try-catch and try-finally.
4149
4150 2008-03-04  Oleg Ryjkov  <olegr@google.com>
4151
4152         * tree-ssa-dse.c (execute_simple_dse): Tuplified.
4153         * gimplify.c (gimplify_return_expr): Copy the NO_WARNING flag
4154         to the newly created expr from the tree.
4155         * tree-cfg.c (gimplify_build1): Tuplified.
4156         * passes.c (init_optimization_passes): Enabled
4157         pass_warn_function_return, pass_update_address_taken,
4158         pass_simple_dse and pass_build_alias passes.
4159
4160 2008-03-04  Rafael Espíndola  <espindola@google.com>
4161
4162         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
4163         (tree_unary_nonnegative_warnv_p): New.
4164         (tree_binary_nonnegative_warnv_p): New.
4165         (tree_single_nonnegative_warnv_p): New.
4166         (tree_invalid_nonnegative_warnv_p): New.
4167         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
4168
4169 2008-03-04  Aldy Hernandez  <aldyh@redhat.com>
4170
4171         * gimple.c (walk_gimple_seq): Do not set wi->gsi.
4172         (walk_gimple_stmt): Set wi->gsi.
4173         * tree-cfg.c (verify_stmt): Use walk_gimple_op instead of
4174         walk_gimple_stmt.
4175         (verify_stmts): Same.
4176
4177 2008-03-04  Diego Novillo  <dnovillo@google.com>
4178
4179         http://gcc.gnu.org/ml/gcc-patches/2008-03/msg00219.html
4180
4181         * expr.c (expand_expr_real): Call lookup_expr_eh_region.
4182         * tree-eh.c (lookup_stmt_eh_region_fn):
4183         (lookup_stmt_eh_region): Fix comment.
4184         (lookup_expr_eh_region): Handle missing cfun and missing
4185         EH table.
4186         (record_in_finally_tree): Fix comment.
4187         (collect_finally_tree_1): Remove handler for
4188         GIMPLE_SWITCH.
4189         (maybe_record_in_goto_queue): Remove local variable
4190         NEW_IS_LABEL.
4191         Record GIMPLE_GOTOs instead of their label.
4192         (verify_norecord_switch_expr): Retrieve the CASE_LABEL
4193         from the case label expression.
4194         (do_return_redirection): Change sign of assertion.
4195         (lower_try_finally_onedest): Assert that
4196         TF->GOTO_QUEUE[0] contains a GIMPLE statement.
4197         (lower_try_finally_copy): Assert that Q contains a GIMPLE
4198         statement.
4199         (lower_try_finally_switch): Build a new GIMPLE label for
4200         CONT_STMT.
4201         (mark_eh_edge): Tuplify.
4202         (verify_eh_edges): Tuplify.
4203         (tree_can_throw_external): Remove unused function.
4204         (optimize_double_finally): Remove #if 0.
4205         * gimple-pretty-print.c (GIMPLE_NIY): Tidy.
4206         (dump_gimple_resx): Fix format string for
4207         dump_gimple_fmt.
4208         * gimplify.c (gimplify_cleanup_point_expr): Initialize
4209         BODY_SEQUENCE.
4210         * calls.c (emit_call_1): Remove ATTRIBUTE_UNUSED markers.
4211         * cfgexpand.c (gimple_to_tree) <GIMPLE_NOP>: Assign new
4212         expression to T.
4213         <GIMPLE_RESX>: Handle.
4214         Always assign the value from lookup_stmt_eh_region to
4215         ANN->RN.
4216         * tree-cfg.c (start_recording_case_labels):
4217         (recording_case_labels_p): Re-enable.
4218         (get_cases_for_edge): Likewise.
4219         (gimple_verify_flow_info): Re-enable call to
4220         verify_eh_edges.
4221         (gimple_redirect_edge_and_branch): Re-enable handling of
4222         GIMPLE_SWITCH.
4223         (gimple_block_ends_with_call_p): Tuplify.
4224         (struct gimple_cfg_hooks): Enable block_ends_with_call_p
4225         callback.
4226
4227 2008-03-04  Rafael Espíndola  <espindola@google.com>
4228
4229         * fold-const.c (tree_unary_nonzero_warnv_p): New.
4230         (tree_binary_nonzero_warnv_p): New.
4231         (tree_single_nonzero_warnv_p): New.
4232         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
4233
4234 2008-03-04  Aldy Hernandez  <aldyh@redhat.com>
4235
4236         * gimple.c (walk_gimple_op): Update comment.
4237         (walk_gimple_stmt): Same.
4238
4239 2008-03-03  Aldy Hernandez  <aldyh@redhat.com>
4240
4241         * cgraphbuild.c (build_cgraph_edges): Use walk_gimple_op instead of
4242         walk_gimple_stmt.
4243         * tree-ssa-alias-warnings.c (find_references_in_function): Same.
4244         * tree-ssa-ccp.c (fold_stmt): Change walk_gimple_stmt call to
4245         walk_gimple_op.
4246         * tree-nrv.c (tree_nrv): Same.
4247         * tree-ssa-alias.c (count_uses_and_derefs): Same.
4248         * cfgexpand.c (discover_nonconstant_array_refs_r): Same.
4249         * tree-nested.c (convert_nonlocal_reference_stmt): Make first
4250         argument a GSI.
4251         (convert_local_reference_op): Same.
4252         (convert_nl_goto_reference): Same.
4253         (convert_tramp_reference_stmt): Same.
4254         (convert_gimple_call): Same.
4255         * tree-inline.c (inline_forbidden_p_stmt): Same.
4256         * tree-ssa.c (execute_early_warn_uninitialized): Change
4257         walk_gimple_stmt call to walk_gimple_op.
4258         * gimple.c (walk_gimple_seq): Pass GSI to walk_gimple_stmt.
4259         (walk_gimple_stmt): Move operand walking code to...
4260         (walk_gimple_op): ...here.
4261         (walk_gimple_stmt): First argument is now a GSI.
4262         * gimple.h: Change walk_stmt_fn argument to a GSI.
4263         (walk_gimple_stmt): Make first argument is a GSI.
4264         (walk_gimple_op): New prototype.
4265         * tree-cfg.c (verify_stmt): Change argument to a GSI.  Adjust
4266         accordingly.
4267
4268 2008-02-29  Zdenek Dvorak  <ook@ucw.cz>
4269
4270         * tree-ssa-alias.c (is_escape_site): Detect pure/const functions
4271         correctly.
4272
4273 2008-02-28  Zdenek Dvorak  <ook@ucw.cz>
4274
4275         * tree-ssa-loop-im.c: Tuplify.
4276         * tree-ssa-loop-manip.c (add_exit_phis_edge, find_uses_to_rename_stmt,
4277         find_uses_to_rename_bb, check_loop_closed_ssa_use,
4278         check_loop_closed_ssa_stmt, verify_loop_closed_ssa): Ditto.
4279         * gimple-dummy.c (rewrite_into_loop_closed_ssa, tree_ssa_lim,
4280         verify_loop_closed_ssa, replace_exp): Removed.
4281         * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_done): Comment
4282         out scev initialization and finalization.
4283         * gimple-iterator.c (gsi_remove): Rename remove_eh_info to
4284         remove_permanently.  Do not free operands if remove_permanently
4285         is false.
4286         (gimple_find_edge_insert_loc): Use gsi_last_bb.
4287         * tree-eh.c (operation_could_trap_p): Factored out of ...
4288         (tree_could_trap_p): ... here.
4289         * tree-ssa-copy.c (replace_exp): Enable.
4290         * tree-flow.h (movement_possibility): Declaration changed.
4291         (operation_could_trap_p): Declare.
4292         * Makefile.in (tree-ssa-loop-im.o): Add pointer-set.h dependency.
4293         (gimple.o): Add FLAGS_H dependency.
4294         * gimple.c: Include flags.h.
4295         (gimple_could_trap_p): New function.
4296         * gimple.h (gimple_could_trap_p): Declare.
4297         * tree-cfg.c (replace_uses_by): Check that op is not null.
4298         * passes.c (init_optimization_passes): Enable pass_lim.
4299
4300 2008-02-28  Rafael Espíndola  <espindola@google.com>
4301
4302         * tree-outof-ssa.c (insert_backedge_copies): Don't build
4303         uninitialized assignment.
4304
4305 2008-02-28  Rafael Espíndola  <espindola@google.com>
4306
4307         * tree-dfa.c (dump_dfa_stats): cast dfa_stats.max_num_phi_args to long.
4308
4309 2008-02-26  Diego Novillo  <dnovillo@google.com>
4310
4311         * tree-ssa-copyrename.c (rename_ssa_copies): Do not mix
4312         declarations with code.
4313         * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
4314         * tree-dfa.c (dump_dfa_stats): Use %ld for
4315         dfa_stats.max_num_phi_args.
4316
4317 2008-02-26  Bill Maddox  <maddox@google.com>
4318
4319         * tree-ssa-ccp.c (maybe_fold_stmt_addition):
4320         Reinstated this function for tuples as-is.
4321         (valid_gimple_rhs_p): New function.  Mostly lifted from
4322         valid_gimple_epxression_p, which is likely obsolete.
4323         (fold_stmt_r): Reinstated commented-out cases for
4324         tuples. Replaced call to obsolete function set_rhs.
4325         (get_maxval_strlen): Convert to tuples.
4326         (ccp_fold_builtin): Partial conversion to tuples.
4327         (fold_gimple_assign): New function.
4328         (fold_gimple_cond): New function.
4329         (fold_gimple_call): New function.
4330         (fold_stmt): Convert to tuples.
4331         (fold_stmt_inplace): Convert to tuples.
4332         * tree-ssa-propagate.c (substitute_and_fold):
4333         Update call to fold_stmt for revised argument signature.
4334         * gimple-dummy.c (fold_stmt): Removed dummy definition.
4335         * gimplify.c (gimplify_call_expr): Removed obsolete
4336         manipulation of TREE_NOTHROW flag.
4337         * cfgexpand.c (gimple_to_tree): Set nothrow flag
4338         of call expression based on call statement flags.
4339         Handle GIMPLE_NOP statement.
4340         * tree-flow.h (notice_special_calls, fold_stmt):
4341         Update prototypes for tuples.
4342         * gimple.c (gimple_cond_set_condition_from_tree):
4343         New function.
4344         (gimple_seq_has_side_effects): New function.
4345         * gimple.h (gimple_cond_set_condition_from_tree,
4346         gimple_seq_has_side_effects): New prototypes.
4347         (gimple_call_nothrow_p): New function.
4348         (gsi_stmt_ptr): Add comment regarding usage of this
4349         function vs. gsi_replace.
4350         * tree-cfg.c (struct rus_data): Convert to tuples.
4351         (remove_useless_stmts_1, remove_useless_stmts_warn_notreached,
4352         remove_useless_stmts_cond, remove_useless_stmts_tf,
4353         remove_useless_stmts_tc, remove_useless_stmts_goto,
4354         remove_useless_stmts_label, notice_special_calls,
4355         remove_useless_stmts): Convert to tuples.
4356         (update_call_expr_flags): Removed.
4357         * passes.c (init_optimization_passes): Enable
4358         pass_remove_useless_stmts.
4359
4360 2008-02-25  Bill Maddox  <maddox@google.com>
4361
4362         * tree-into-ssa.c (rewrite_initialize_block):
4363         Avoid declaration following statement in block.
4364         * tree-nrv.c (tree_nrv):
4365         Avoid declaration following statement in block.
4366         * tree-eh.c (collect_finally_tree): Fix typo in comment.
4367         Avoid cast to union type.
4368         (replace_goto_queue_cond_clause, replace_goto_queue_1,
4369         maybe_record_in_goto_queue, verify_norecord_switch_expr,
4370         lower_try_finally_fallthru_label): Avoid cast to union type.
4371         * fortran/Make-lang.in: Add -Wno-missing-format-attribute
4372         to fortran-warn options to avoid conflict with -Wno-format.
4373         * gimplify.c (gimplify_switch_expr):  Change assignment
4374         to initialiation.
4375         (gimplify_case_label_expr): Avoid declaration following
4376         statement in block.
4377         * tree-ssa-coalesce.c (create_outofssa_var_map): Avoid
4378         declaration following statement in block.
4379         * tree-ssa.c (ssa_redirect_edge, flush_pending_stmts):
4380         Avoid declaration following statements in block.
4381         * Makefile.in: Add -Wno-missing-format-attribute
4382         to builtins.o-warn and expr.o-warn options to avoid conflict
4383         with -Wno-format.  Removed fortran/*-warn options, -Wno-format
4384         and -Wno-uninitialized, which belong in fortran/Make-lang.in,
4385         and are applied to all fortran files there.
4386
4387 2008-02-25  Oleg Ryjkov  <olegr@google.com>
4388
4389         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01236.html
4390
4391         * tree-ssa-copyrename.c: Include gimple.h
4392         Tuplify.
4393         * tree-ssa.c (warn_uninit): Pass &LOCUS to warning().
4394         * passes.c (init_optimization_passes): Enable
4395         pass_early_warn_uninitialized, pass_rebuild_cgraph_edges
4396         and pass_early_inline.
4397
4398 2008-02-25  Diego Novillo  <dnovillo@google.com>
4399
4400         * Makefile.in (tree-ssa-copyrename.o): Add dependency on
4401         gimple.h.
4402
4403 2008-02-25  Diego Novillo  <dnovillo@google.com>
4404
4405         * tree-cfgcleanup.c (tree_forwarder_block_p): Revert
4406         previous change.
4407
4408 2008-02-25  Diego Novillo  <dnovillo@google.com>
4409
4410         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01217.html
4411
4412         * tree-ssa-alias-warnings.c: Tuplify.
4413         * cgraphunit.c (cgraph_process_new_functions): Remove
4414         calls to gimple_unreachable.
4415         (cgraph_expand_function): Likewise.
4416         * omp-low.c (execute_expand_omp): Return 0 after call to
4417         gimple_unreachable.
4418         * tree-scalar-evolution.c (scev_const_prop): Likewise.
4419         (execute_lower_omp): Likewise.
4420         * tree-ssa-dse.c (execute_simple_dse): Likewise.
4421         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
4422         (eliminate_degenerate_phis): Likewise.
4423         * tree-ssa-propagate.c (get_rhs): Likewise.
4424         (valid_gimple_expression_p): Likewise.
4425         (set_rhs): Likewise.
4426         (fold_predicate_in): Likewise.
4427         * tree-nrv.c (execute_return_slot_opt): Likewise.
4428         * predict.c (tree_estimate_probability): Likewise.
4429         * tree-parloops.c (parallelize_loops): Likewise.
4430         * tree-if-conv.c (main_tree_if_conversion): Likewise.
4431         * tree-ssa-phiopt.c (tree_ssa_phiopt): Likewise.
4432         (tree_ssa_cs_elim): Likewise.
4433         * tree-sra.c (tree_sra): Likewise.
4434         (tree_sra_early): Likewise.
4435         * tree-predcom.c (tree_predictive_commoning): Likewise.
4436         * tree-ssa-copy.c (execute_copy_prop): Likewise.
4437         * lambda-code.c (gcc_loop_to_lambda_loop): Likewise.
4438         (perfect_nest_p): Likewise.
4439         (can_convert_to_perfect_nest): Likewise.
4440         (perfect_nestify): Likewise.
4441         * tree-optimize.c (execute_fixup_cfg): Likewise.
4442         * tree-object-size.c (compute_object_sizes): Likewise.
4443         * tree-cfg.c (remove_useless_stmts): Likewise.
4444         (gimple_duplicate_sese_tail): Likewise.
4445         (move_sese_region_to_fn): Likewise.
4446         (gimple_purge_dead_abnormal_call_edges): Likewise.
4447         (execute_warn_function_return): Likewise.
4448         * value-prof.c (gimple_histogram_value): Remove calls to
4449         gimple_unreachable.
4450         (gimple_stringop_fixed_value): Likewise.
4451         * tree-flow-inline.h (op_iter_next_use): Likewise.
4452         * tree-dfa.c (dump_variable): Likewise.
4453         * tree-ssa-copy.c (may_propagate_copy): Likewise.
4454         (may_propagate_copy_into_asm): Likewise.
4455         (merge_alias_info): Likewise.
4456         (replace_exp_1): Likewise.
4457         * tree-ssa.c (delete_tree_ssa): Likewise.
4458         * tree-cfg.c (make_edges): Likewise.
4459         (remove_useless_stmts): Likewise.
4460         (gimple_duplicate_sese_tail): Likewise.
4461         (move_sese_region_to_fn): Likewise.
4462         (gimple_purge_dead_abnormal_call_edges): Likewise.
4463         (execute_warn_function_return): Likewise.
4464         * passes.c (finish_optimization_passes): Likewise.
4465         (init_optimization_passes): Likewise.
4466         * tree-ssa-operands.c (add_call_clobber_ops): Likewise.
4467         * tree-eh.c (lookup_expr_eh_region): New.
4468         (tree_can_throw_external): Return false after call to
4469         gimple_unreachable.
4470         (maybe_clean_or_replace_eh_stmt): Re-enable.
4471         Call stmt_could_throw_p.
4472         * expr.c (expand_expr_real): Call lookup_expr_eh_region.
4473         * profile.c: Tuplify.
4474         * calls.c: Include tree-flow.h.
4475         (emit_call_1): Call lookup_expr_eh_region.
4476         (expand_call): Likewise.
4477         * cfgexpand.c (gimple_to_tree): Call SET_EXPR_LOCATION on
4478         generated expression tree T.
4479         Set EH region number on T's annotation.
4480         * common.opt (fgimple-conversion=): Add RejectNegative
4481         and Joined attributes.
4482         * tree-inline.c (unsave_r): Abort if *TP is a
4483         STATEMENT_LIST.
4484         (unsave_expr_now): Re-enable.
4485         * tree-flow.h (struct tree_ann_common_d): Add field RN.
4486         * Makefile.in (builtins.o-warn): Add -Wno-format.
4487         (expr.o-warn): Likewise.
4488         (fortran/check.o-warn): Likewise.
4489         (fortran/interface.o-warn): Likewise.
4490         (fortran/resolve.o-warn): Likewise.
4491         (fortran/simplify.o-warn): Likewise.
4492         (fortran/target-memory.o-warn): Likewise.
4493         (calls.o): Add dependency on tree-flow.h
4494         * gimple.c (gimple_build_asm_1): Call ggc_alloc_string to
4495         copy STRING.
4496         * gimple.h (gimple_filename): New.
4497         (gimple_lineno): New.
4498         * passes.c (init_optimization_passes): Disable
4499         pass_remove_useless_stmts pass_mudflap_1,
4500         pass_warn_function_return and pass_lower_omp.
4501         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Tuplify.
4502         (rs6000_alloc_sdmode_stack_slot): Likewise.
4503         * tree-cfgcleanup.c (tree_forwarder_block_p): Fix test
4504         for PHI_WANTED.
4505
4506 2008-02-25  Rafael Espíndola  <espindola@google.com>
4507
4508         * tree-cfgcleanup.c (tree_forwarder_block_p): fix thinko.
4509
4510 2008-02-24  Rafael Espíndola  <espindola@google.com>
4511
4512         * gimple-iterator.c (gsi_split_seq_before): Don't abort if at the
4513         beginning.
4514
4515 2008-02-23  Diego Novillo  <dnovillo@google.com>
4516
4517         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01025.html
4518
4519         * gimplify.c (gimplify_one_sizepos): Call gimplify_expr with
4520         STMT_P.
4521
4522 2008-02-22  Zdenek Dvorak  <ook@ucw.cz>
4523
4524         * gimple.c (gimple_assign_copy_p): Do not consider unary operations
4525         to be copies.
4526
4527 2008-02-22  Diego Novillo  <dnovillo@google.com>
4528
4529         * Makefile.in (fortran/parse.o-warn,
4530         fortran/simplify.o-warn): New.
4531
4532 2008-02-22  Diego Novillo  <dnovillo@google.com>
4533
4534         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00961.html
4535
4536         Revert
4537
4538         2008-02-20  Zdenek Dvorak  <ook@ucw.cz>
4539
4540                 * tree-tailcall.c: Tuplify.
4541                 * gimplify.c (force_gimple_operand): Remove ATTRIBUTE_UNUSED.
4542                 * gimple.c (gimple_assign_copy_p): Do not
4543                 consider unary operations to be copies.
4544                 (copy_or_nop_cast_stmt_rhs): New.
4545                 * gimple.h (copy_or_nop_cast_stmt_rhs): Declare.
4546
4547 2008-02-21  Rafael Espíndola  <espindola@google.com>
4548
4549         * gimple.h (gimple_cond_true_p): Define.
4550         (gimple_cond_false_p): Define.
4551         (gimple_cond_single_var_p): Define.
4552
4553 2008-02-21  Rafael Espíndola  <espindola@google.com>
4554
4555         * tree-tailcall.c (adjust_accumulator_values): Check that a phi was
4556         found.
4557
4558 2008-02-21  Rafael Espíndola  <espindola@google.com>
4559
4560         * tree-tailcall.c (adjust_accumulator_values): Initialize phi.
4561
4562 2008-02-20  Zdenek Dvorak  <ook@ucw.cz>
4563
4564         * tree-tailcall.c: Tuplify.
4565         * gimplify.c (force_gimple_operand): Remove ATTRIBUTE_UNUSED.
4566         * gimple.c (gimple_assign_copy_p): Do not consider unary operations
4567         to be copies.
4568         (copy_or_nop_cast_stmt_rhs): New.
4569         * gimple.h (copy_or_nop_cast_stmt_rhs): Declare.
4570
4571 2008-02-20  Oleg Ryjkov  <olegr@google.com>
4572
4573         * gimplify.c (gimplify_expr): Save locus into the right
4574         sequence.
4575
4576 2008-02-20  Rafael Espíndola  <espindola@google.com>
4577
4578         * passes.c (init_optimization_passes): Enable pass_mark_used_blocks
4579         and pass_cleanup_cfg_post_optimizing.
4580         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): call cleanup_tree_cfg.
4581
4582 2008-02-20  Rafael Espíndola  <espindola@google.com>
4583
4584         * passes.c (init_optimization_passes):  Enable pass_nrv.
4585         * tree-nrv.c (finalize_nrv_r): data is now a walk_stmt_info.
4586         (tree_nrv): port to gimple.
4587
4588 2008-02-19  Oleg Ryjkov  <olegr@google.com>
4589
4590         * gimple-pretty-print.c: Introduce support for TDF_RAW
4591         flag.
4592         (dump_gimple_fmt): New function.
4593         (dump_gimple_assign, dump_gimple_return): Update to print
4594         RAW gimple.
4595         (dump_gimple_call_args): New function.
4596         (dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
4597         dump_gimple_label, dump_gimple_bind, dump_gimple_try):
4598         Update to print RAW gimple.
4599         (dump_gimple_catch, dump_gimple_eh_filter,
4600         dump_gimple_resx): New functions.
4601         (dump_gimple_omp_for, dump_gimple_asm, dump_gimple_phi):
4602         Update to print RAW gimple.
4603         (dump_gimple_omp_parallel, dump_gimple_omp_atomic_load,
4604         dump_gimple_omp_atomic_store): New, code moved from
4605         dump_gimple_stmt, then added support to print RAW gimple.
4606         (gimple_dump_stmt): Some code refactored into helper
4607         subroutines.
4608         * tree-cfg.c(dump_function_to_file): Print RAW gimple when
4609         TDF_RAW is set.
4610
4611 2008-02-19  Diego Novillo  <dnovillo@google.com>
4612
4613         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00793.html
4614
4615         * tree-complex.c (expand_complex_div_wide): Call gsi_bb.
4616         * tree.h (std_gimplify_va_arg_expr): Change gimple_seq
4617         arguments to gimple_seq *.
4618         Update all users.
4619         (gimplify_parameters): Change return type to gimple_seq.
4620         Update all users.
4621         * target.h (struct gcc_target)<gimplify_va_arg_expr>:
4622         Change gimple_seq arguments to gimple_seq *.
4623         Update all users.
4624         * tree-phinodes.c (free_phinodes): Convert to VEC.
4625         Update all users.
4626         * omp-low.c (lower_rec_input_clauses): Change gimple_seq
4627         arguments to gimple_seq *.  Update all users.
4628         (lower_reduction_clauses): Convert sub_list to
4629         gimple_seq.
4630         (lower_regimplify): Convert PRE to gimple_seq.
4631         (lower_regimplify): Call gimple_seq_insert_before instead
4632         of tsi_link_before.
4633         * tree-gimple.h (get_initialized_tmp_var,
4634         get_formal_tmp_var, gimplify_expr, gimplify_type_sizes,
4635         gimplify_one_sizepos, gimplify_stmt, gimplify_and_add,
4636         gimplify_va_arg_expr): Change gimple_seq arguments to
4637         gimple_seq *.  Update all users.
4638         * gimple-iterator.c: Include value-prof.h.
4639         (gsi_link_seq_before): Remove.  Update all users.
4640         (gsi_link_seq_after): Remove.  Update all users.
4641         (gsi_link_after): Remove.  Update all users.
4642         (gsi_link_before): Remove.  Update all users.
4643         (update_bb_for_stmts): New.
4644         (gsi_insert_seq_nodes_before): New.
4645         (gsi_insert_seq_nodes_after): New.
4646         (gsi_insert_seq_before): Re-write.  Call
4647         gsi_insert_seq_nodes_before.
4648         (gsi_insert_seq_after): Re-write.  Call
4649         gsi_insert_seq_nodes_after.
4650         (gsi_replace): Re-enable EH updating.
4651         (update_modified_stmt): Move earlier in the file.
4652         (gsi_insert_after): Re-write.  Call
4653         gsi_insert_seq_nodes_after.
4654         (gsi_insert_before): Re-write.  Call
4655         gsi_insert_seq_nodes_before.
4656         (gsi_remove): Move from gimple.h.  Re-write.
4657         * langhooks.h (struct lang_hooks): Change gimple_seq
4658         arguments for gimplify_expr to gimple_seq *.
4659         Update all users.
4660         * coretypes.h (struct gimple_seq_d): Rename from struct
4661         gimple_sequence.  Update all users.
4662         (struct gimple_seq_node_d): New.
4663         (gimple_seq_node): New.
4664         (const_gimple_seq_node): New.
4665         * tree-flow.h (force_gimple_operand): Change gimple_seq
4666         argument to gimple_seq *.  Update all users.
4667         * c-common.h (c_gimplify_expr): Change gimple_seq
4668         argument to gimple_seq *.  Update all users.
4669         * Makefile.in (build):
4670         * gimple.c (gimple_seq_cache): New.
4671         (gimple_seq_alloc): Take sequences from gimple_seq_cache,
4672         if possible.
4673         (gimple_seq_free): New.
4674         (gimple_seq_add_stmt): Rename from gimple_seq_add.
4675         Change gimple_seq argument to gimple_seq *.  Update all users.
4676         (gimple_seq_add_seq): Rename from gimple_seq_append.
4677         Update all users.
4678         (gimple_remove): Remove.  Update all users.
4679         (gimple_seq_reverse): Remove unused function.
4680         (gimple_set_bb): Only update block-to-labels map if
4681         CFUN->CFG exists.
4682         * gimple.h (struct gimple_seq_node_d): New.
4683         (struct gimple_seq_d): Change fields 'first' and 'last'
4684         to type gimple_seq_node.  Update all users.
4685         Add field 'next_free'.
4686         (gimple_seq_first): Change return type to
4687         gimple_seq_node.  Update all users.
4688         (gimple_seq_first_stmt): New.
4689         (gimple_seq_last): Change return type to gimple_seq_node.
4690         Update all users.
4691         (gimple_seq_last_stmt): New.
4692         (gimple_seq_set_first): Change second argument to type
4693         gimple_seq_node.  Update all users.
4694         (gimple_seq_set_last): Change second argument to type
4695         gimple_seq_node.  Update all users.
4696         (gimple_seq_init): Remove.  Update all users.
4697         (struct gimple_statement_base): Remove field 'next' and
4698         'prev'.  Update all users.
4699         (struct gimple_statement_omp): Change fields of type
4700         struct gimple_sequence to type gimple_seq.  Update all
4701         users.
4702         (struct gimple_statement_bind): Likewise.
4703         (struct gimple_statement_catch): Likewise.
4704         (struct gimple_statement_eh_filter): Likewise.
4705         (struct gimple_statement_try): Likewise.
4706         (struct gimple_statement_wce): Likewise.
4707         (struct gimple_statement_omp_for): Likewise.
4708         (gimple_set_prev): Remove.  Update all users.
4709         (gimple_set_next): Remove.  Update all users.
4710         (gimple_next): Remove.  Update all users.
4711         (gimple_prev): Remove.  Update all users.
4712         (gimple_seq_bb): New.
4713         (gimple_catch_handler_ptr): New.
4714         (gimple_stmt_iterator): Remove field 'stmt'.
4715         Add field 'ptr'.  Update all users.
4716         (gsi_remove): Move to gimple-iterator.c
4717         * tree-cfg.c (pass_build_cfg): Re-enable PROP_gimple_leh.
4718         * Makefile.in (builtins.o-warn, expr.o-warn, dse.o-warn,
4719         ebitmap.o-warn, lower-subreg.o-warn, tree-chrec.o-warn):
4720         Change -Wno-error to -Wno-uninitialized.
4721
4722 2008-02-19  Rafael Espíndola  <espindola@google.com>
4723
4724         * tree-eh.c (collect_finally_tree): handle GIMPLE_SWITCH.
4725
4726 2008-02-19  Aldy Hernandez  <aldyh@redhat.com>
4727
4728         * gimple.h (gimple_cond_invert): Remove prototype.
4729         (update_stmt_if_modified): Fix typo in comment.
4730         * gimple.c (walk_gimple_asm): Fix typo in comment.
4731
4732 2008-02-13  Bill Maddox  <maddox@google.com>
4733
4734         * tree-inline.c (estimate_operator_cost):
4735         Removed operators superseded by tuplified statement forms.
4736         Small cosmetic reordering of a few switch cases.
4737
4738 2008-02-13  Oleg Ryjkov  <olegr@google.com>
4739
4740         * tree.h: New function declaration.
4741         * gimple-dummy.c (tree_inlinable_function_p): Removed.
4742         * ipa-inline.c (compute_inline_parameters): Removed
4743         gcc_unreachable ().
4744         * calls.c (gimple_alloca_call_p): New function.
4745         * tree-inline.c (inline_forbidden_p_1): Split in two and removed.
4746         (inline_forbidden_p_op, inline_forbidden_p_stmt): New functions.
4747         (inline_forbidden_p): Tuplified.
4748         (estimate_operator_cost): Added missing cases.
4749         * passes.c (init_optimization_passes): Enabled pass_inline_parameters,
4750         pass_ipa_function_and_variable_visibility, pass_ipa_early_inline,
4751         pass_inline_parameters, pass_rebuild_cgraph_edges passes.
4752
4753 2008-02-13  Diego Novillo  <dnovillo@google.com>
4754
4755         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00459.html
4756
4757         * gimple.def (GIMPLE_TRY): Tidy comment.
4758         * gimple-pretty-print.c (dump_gimple_stmt): Handle TDF_VOPS and
4759         TDF_MEMSYMS.
4760
4761 2008-02-13  Diego Novillo  <dnovillo@google.com>
4762
4763         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00455.html
4764
4765         * tree-complex.c (update_complex_components): Handle
4766         GIMPLE_CALL and GIMPLE_ASSIGN.
4767         (expand_complex_libcall): Set SSA_NAME_DEF_STMT on LHS.
4768         * tree-ssa-operands.c (maybe_add_call_clobbered_vops):
4769         Rename from get_call_expr_operands.  Update all users.
4770         Convert to handle GIMPLE_CALL instead of CALL_EXPR.
4771         (get_modify_stmt_operands): Remove.  Update all users.
4772         (get_expr_operands): Do not handle CALL_EXPR, COND_EXPR,
4773         VEC_COND_EXPR, GIMPLE_MODIFY_STMT, BLOCK, EXC_PTR_EXPR
4774         and FILTER_EXPR.
4775         (parse_ssa_operands): Call maybe_add_call_clobbered_vops
4776         after parsing operands if STMT is a GIMPLE_CALL.
4777
4778 2008-02-12  Zdenek Dvorak  <ook@ucw.cz>
4779             Bill Maddox  <maddox@google.com>
4780
4781         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00429.html
4782
4783         * tree-inline.h (estimate_num_insns_fn): Declare.
4784         * cgraphunit.c (cgraph_process_new_functions):
4785         Use estimate_num_insns_fn.
4786         * ipa-inline.c (compute_inline_parameters): Ditto.
4787         * gimple-dummy.c (estimate_move_cost, estimate_num_insns):
4788         Removed.
4789         * tree-inline.c (struct eni_data, estimate_num_insns_1):
4790         Removed.
4791         (estimate_num_insns): Rewritten.
4792         (operation_cost, estimate_num_insns_fn): New functions.
4793         * gimple.c (gimple_copy): Unshare operands.  Update
4794         operand caches.
4795         * gimple.h (gimple_set_no_warning): New.
4796         (gimple_cond_set_true_label, gimple_cond_set_false_label):
4797         Allow setting the label to NULL.
4798         * tree-ssa-operands.c (copy_virtual_operands): Handle statements
4799         without virtual operands.
4800
4801 2008-02-12  Zdenek Dvorak  <ook@ucw.cz>
4802
4803         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00429.html
4804
4805         * tree-into-ssa.c (update_ssa): Remove ATTRIBUTE_UNUSED.
4806         * tree-ssa-loop-ch.c: Tuplified.
4807         * gimple-iterator.c (gsi_commit_one_edge_insert): Ditto.
4808         * tree-cfg.c (gimple_redirect_edge_and_branch,
4809         gimple_try_redirect_by_replacing_jump, gimple_merge_blocks,
4810         gimple_block_label, gimple_redirect_edge_and_branch_force,
4811         gimple_duplicate_bb): Ditto.
4812         (make_cond_expr_edges): Remove the labels.
4813         (cleanup_dead_labels): Handle conditions without labels.
4814         (gimple_make_forwarder_block): Do not reverse the list
4815         of phi nodes.
4816         (gimple_duplicate_sese_region): Enable ssa updates.
4817         (gimple_cfg_hooks): Enable edge redirection and bb duplication.
4818         * gimple-pretty-print.c (dump_gimple_cond): Do not dump
4819         branches if labels are null.
4820         (dump_implicit_edges): Dump implicit GIMPLE_COND edges.
4821
4822 2008-02-12  Diego Novillo  <dnovillo@google.com>
4823
4824         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00429.html
4825
4826         * tree-vrp.c (range_includes_zero_p): Partially re-enable.
4827         (ssa_name_nonnegative_p): Partially re-enable.
4828         (ssa_name_nonzero_p): Likewise.
4829         * gimple-dummy.c (ssa_name_nonzero_p): Remove.
4830         (ssa_name_nonnegative_p): Remove.
4831         * tree-cfg.c (gimple_split_block): Convert to tuples.
4832
4833 2008-02-12  Aldy Hernandez  <aldyh@redhat.com>
4834
4835         Merge with mainline @132177
4836
4837         * configure.ac (ACX_PKGVERSION): Update revision merge string.
4838         * configure: Regenerate.
4839
4840 2008-02-08  Diego Novillo  <dnovillo@google.com>
4841
4842         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00273.html
4843
4844         * gimplify.c (gimplify_call_expr): Remove code to set
4845         TREE_SIDE_EFFECTS.
4846         * gimple.c (gimple_has_side_effects): New.
4847         * gimple.h (gimple_has_side_effects): Declare.
4848         * tree-cfg.c (stmt_can_make_abnormal_goto): Call.
4849
4850 2008-02-07  Diego Novillo  <dnovillo@google.com>
4851
4852         * gimple.h (gimple_call_num_args): Rename from
4853         gimple_call_nargs.  Update all users.
4854
4855 2008-02-07  Aldy Hernandez  <aldyh@redhat.com>
4856
4857         * gimplify.c: Remove various FIXMEs that have been resolved.
4858
4859 2008-02-06  Aldy Hernandez  <aldyh@redhat.com>
4860
4861         * gimple.def: Add GIMPLE_OMP_ATOMIC_{LOAD,STORE} entires.
4862         * gsstruct.def: Add GSS_OMP_ATOMIC_{LOAD,STORE} entries.
4863         * gimple-pretty-print.c (dump_gimple_stmt): Add case for
4864         GIMPLE_OMP_ATOMIC_{LOAD,STORE}.
4865         * gimplify.c (gimplify_omp_atomic): Enable and convert to tuples.
4866         * tree.def: Add FIXME notes.
4867         * gimple.c (gss_for_code): Add cases for
4868         GIMPLE_OMP_ATOMIC_{LOAD,STORE}.
4869         (gimple_size): Same.
4870         (gimple_build_omp_atomic_load): New.
4871         (gimple_build_omp_atomic_store): New.
4872         * gimple.h (struct gimple_statement_omp_atomic_{load,store}): New.
4873         (union gimple_statement_d): Add gimple_omp_atomic_{load,store}.
4874         (gimple_omp_atomic_store_set_val): New.
4875         (gimple_omp_atomic_store_val): New.
4876         (gimple_omp_atomic_load_set_lhs): New.
4877         (gimple_omp_atomic_load_lhs): New.
4878         (gimple_omp_atomic_load_set_rhs): New.
4879         (gimple_omp_atomic_load_rhs): New.
4880         * tree-cfg.c (verify_types_in_gimple_seq_2): Add cases for
4881         GIMPLE_OMP_ATOMIC_{LOAD,STORE}.
4882
4883 2008-02-05  Diego Novillo  <dnovillo@google.com>
4884
4885         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00161.html
4886
4887         * gimple-iterator.c (gsi_split_seq_after): Change
4888         argument type to gimple_stmt_iterator.  Update all users.
4889         (gsi_for_stmt): Return gimple_stmt_iterator.  Update all users.
4890         (gimple_find_edge_insert_loc): Change GSI argument to
4891         gimple_stmt_iterator.  Update all users.
4892         * gimple.c (gimple_seq_deep_copy): Change argument to gimple_seq.
4893         Update all users.
4894         * gimple.h (gsi_alloc): Remove.  Update all users.
4895         (gsi_start): Return gimple_stmt_iterator.  Update all users.
4896         (gsi_start_bb): Likewise.
4897         (gsi_last): Likewise.
4898         (gsi_last_bb): Likewise.
4899         (gsi_end_p): Change argument to gimple_stmt_iterator.
4900         Update all users.
4901         (gsi_one_before_end_p): Likewise.
4902         (gsi_stmt): Likewise.
4903         (gsi_bb): Likewise.
4904         (gsi_seq): Likewise.
4905         (gsi_split_seq_after): Likewise.
4906         (gsi_for_stmt): Likewise.
4907         (gsi_after_labels): Return gimple_stmt_iterator.  Update all users.
4908
4909 2008-02-05  Aldy Hernandez  <aldyh@redhat.com>
4910
4911         * gimple-pretty-print.c (dump_gimple_stmt): Print clauses for
4912         GIMPLE_OMP_PARALLEL.
4913         Handle GIMPLE_OMP_FOR.
4914         (dump_gimple_omp_for): New.
4915         * tree-pretty-print.c (dump_omp_clauses): Remove static.
4916         * diagnostic.h (dump_omp_clauses): Add prototype.
4917         * gimplify.c (gimplify_omp_for): Convert to tuples and enable.
4918         (gimplify_omp_workshare): Same.
4919         (gimplify_expr) [OMP_MASTER, OMP_ORDERED, OMP_CRITICAL]: Same.
4920
4921 2008-02-04  Oleg Ryjkov <olegr@google.com>
4922
4923         * tree-gimple.c (get_gimple_rhs_class): Handle
4924         FILTER_EXPR.
4925         * tree-eh.c (union treemple): Declare.
4926         Convert to tuples.
4927         * except.c:
4928         * except.h (lang_protect_cleanup_actions): Change return
4929         type to 'gimple'.  Update all users.
4930         * tree-inline.c (count_insns_seq): New.
4931         * tree-inline.h (count_insns_seq): Declare.
4932         * gimple.c (gimple_seq_deep_copy): New.
4933         * gimple.h (gimple_seq_deep_copy): Declare.
4934         (gimple_singleton_p): New.
4935         * passes.c (init_optimization_passes): Enable
4936         pass_lower_eh.
4937
4938 2008-02-02  Aldy Hernandez  <aldyh@redhat.com>
4939
4940         * tree.h (OMP_CLAUSE_REDUCTION_GIMPLE_INIT): New.
4941         (OMP_CLAUSE_REDUCTION_GIMPLE_MERGE): New.
4942         (struct tree_omp_clause): Add gimple_reduction_{init,merge} fields.
4943         * gimplify.c (gimplify_scan_omp_clauses): Gimplify reduction
4944         init/merge fields into separate sequences.
4945         (gimplify_and_add): Use gimplify_expr directly.
4946         * omp-low.c (lower_rec_input_clauses): Extract reduction info from
4947         gimple tuples in structure.
4948         (lower_reduction_clauses): Same.
4949
4950 2008-02-01  Diego Novillo  <dnovillo@google.com>
4951
4952         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00036.html
4953
4954         * tree-complex.c (expand_complex_comparison): Set the RHS
4955         of the new comparison to boolean_true_node.
4956         * gimplify.c (gimplify_call_expr): Fix creation of new
4957         GIMPLE_CALL.  Create the vector of arguments in the same
4958         order as the original expression.
4959
4960 2008-02-01  Diego Novillo  <dnovillo@google.com>
4961
4962         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00032.html
4963
4964         * tree-pas.h (struct tree_opt_pass): Remove field
4965         WORKS_WITH_TUPLES_P.  Adjust all users.
4966         * opts.c (decode_options): Force -O0.
4967         * cfgexpand.c (gimple_to_tree): Handle GIMPLE_RETURN,
4968         GIMPLE_ASM, GIMPLE_CALL and GIMPLE_SWITCH.
4969         Show unrecognized tuple when failing.
4970         (expand_gimple_basic_block): Do not use
4971         gimple_stmt_iterator to go through the statements in BB.
4972         Handle GIMPLE_CALL instead of CALL_EXPR.
4973         (gimple_expand_cfg): Rename from tree_expand_cfg.  Update
4974         all users.
4975         Remove PROP_gimple_leh.
4976         * gimple.c (walk_gimple_seq): Guard against WI == NULL.
4977         * tree-cfg.c (execute_warn_function_return): Move #if 0
4978         markers.
4979         * passes.c (init_optimization_passes): Adjust #if 0
4980         markers to execute pass_expand.
4981         Guard more passes under #if 0.
4982
4983 2008-02-01  Rafael Espíndola  <espindola@google.com>
4984
4985         * passes.c (init_optimization_passes): Enable pass_del_ssa.
4986
4987         * tree-outof-ssa.c (insert_copy_on_edge): Port to tuples.
4988         (eliminate_build): Likewise.
4989         (eliminate_virtual_phis): Likewise.
4990         (rewrite_trees): Likewise. Remove stmt_ann_t ann.
4991         (stmt_list): Changed from tree to gimple_seq.
4992         (identical_copies_p): Port to tuples.
4993         (identical_stmt_lists_p): Likewise.
4994         (init_analyze_edges_for_bb): Likewise.
4995         (fini_analyze_edges_for_bb): Likewise.
4996         (process_single_block_loop_latch): Likewise.
4997         (analyze_edges_for_bb): LIkewise.
4998         (remove_ssa_form): Likewise.
4999         (insert_backedge_copies):
5000         (rewrite_out_of_ssa):Likewise.
5001         (pass_del_ssa): flip works_with_tuples_p. Don't require PROP_alias.
5002
5003         * tree-ssa-coalesce.c (build_ssa_conflict_graph): Port to tuples.
5004         (abnormal_corrupt): Port to tuples.
5005         (fail_abnormal_edge_coalesce): Port to tuples.
5006         (create_outofssa_var_map):Port to tuples.
5007         (coalesce_partitions): Port to tuples.
5008
5009 2008-02-01  Rafael Espíndola  <espindola@google.com>
5010
5011         * tree-ssa-operands.c (free_stmt_operands): Only free
5012         with_ops.addresses_taken if stmt has ops.
5013
5014 2008-01-31  Rafael Espíndola  <espindola@google.com>
5015
5016         * tree-optimize.c (pass_free_cfg_annotations): Flip
5017         works_with_tuples_p.
5018         * passes.c (init_optimization_passes): Enable
5019         pass_free_cfg_annotations.
5020
5021 2008-01-30  Diego Novillo  <dnovillo@google.com>
5022
5023         http://gcc.gnu.org/ml/gcc-patches/2008-01/msg01461.html
5024
5025         * tree-into-ssa.c (compute_global_livein): Initialize
5026         PHI with call to gsi_stmt.
5027         (rewrite_update_init_block): Likewise.
5028         * tree-complex.c (expand_complex_comparison): Initialize
5029         TYPE.
5030         (expand_complex_operations_1): Initialize BR and BI.
5031         * ebitmap.h (ebitmap_iter_init): Initialize OURN.
5032         * Makefile.in (dse.o-warn, ebitmap.o-warn,
5033         lower-subreg.o-warn, tree-chrec.o-warn, varasm.o-warn):
5034         New.
5035
5036 2008-01-30  Rafael Espíndola  <espindola@google.com>
5037
5038         * gimplify.c (gimplify_scan_omp_clauses): Comment out
5039         pop_gimplify_context calls
5040
5041 2008-01-30  Rafael Espíndola  <espindola@google.com>
5042
5043         * gimple.h (gsi_after_labels): Add.
5044
5045 2008-01-30  Rafael Espíndola  <espindola@google.com>
5046
5047         * Makefile.in (tree-complex.o): Uncomment gt-tree-vect-generic.h.
5048         (GTFILES): Add tree-vect-generic.c.
5049         * passes.c (init_optimization_passes): Enable pass_lower_vector.
5050         * tree-vect-generic.c: uncomment all the file.
5051         (elem_op_func): Use gimple_stmt_iterator instead of
5052         block_stmt_iterator.
5053         (tree_vec_extract): Likewise. Rename bsi to gsi.
5054         (do_unop): Likewise.
5055         (do_binop): Likewise.
5056         (do_plus_minus): Likewise.
5057         (do_negate): Likewise.
5058         (expand_vector_piecewise): Likewise.
5059         (expand_vector_parallel): Likewise.
5060         (expand_vector_addition): Likewise.
5061         (expand_vector_operation): Likewise. Remove "tree rhs" param. Add
5062         "gimple assign" param. Use gimple_assign_rhs1|2 instead of
5063         TREE_OPERAND.
5064         (expand_vector_operations_1): Use gimple_stmt_iterator instead of
5065         block_stmt_iterator. Rename bsi to gsi. Use gsi_stmt instead of
5066         bsi_stmt. Use gimple_assign_* instead of GIMPLE_STMT_OPERAND. Use
5067         gimple_assign_set_rhs_from_tree instead of setting *p_rhs.
5068         (gate_expand_vector_operations): Use gimple_stmt_iterator instead
5069         of block_stmt_iterator. Use gsi_* instead of bsi_*
5070         (pass_lower_vector): flip works_with_tuples_p
5071         (pass_lower_vector_ssa) flip works_with_tuples_
5072
5073 2008-01-29  Rafael Espíndola  <espindola@google.com>
5074
5075         http://gcc.gnu.org/ml/gcc-patches/2008-01/msg01434.html
5076
5077         * gimple.c (gimple_assign_set_rhs_with_ops): Fix
5078         allocation of operand vector.
5079
5080 2008-01-29  Diego Novillo  <dnovillo@google.com>
5081
5082         http://gcc.gnu.org/ml/gcc-patches/2008-01/msg01434.html
5083
5084         * tree-into-ssa.c (prepare_block_for_update): Initialize
5085         PHI.
5086         * tree.c (build_gimple_modify_stmt): Fix documentation.
5087
5088         * tree-complex.c: Convert to tuples.
5089         (pass_lower_complex_O0): Re-enable.
5090
5091         * ipa-cp.c (constant_val_insert): Disable.
5092         * tree-gimple.c (get_gimple_rhs_class): Handle SSA_NAME.
5093
5094         * tree-ssa-propagate.c: Fix documentation to refer to
5095         prop_simulate_again_p.
5096         (add_ssa_edge): Call prop_simulate_again_p.
5097         (simulate_stmt): Likewise.
5098         (simulate_block): Fix loop iterating over PHI nodes.
5099         * tree-ssa-propagate.h (prop_set_simulate_again): New.
5100         (prop_simulate_again_p): New.
5101         * gimple-iterator.c (gsi_insert_seq_after): Re-write to
5102         avoid use of gimple_stmt_iterator.
5103         (gimple_find_edge_insert_loc): Move from tree-cfg.c.
5104         Re-enable.
5105         (gsi_commit_edge_inserts): Likewise.
5106         (gsi_commit_one_edge_insert): Likewise.
5107         (gsi_insert_on_edge): Likewise.
5108         (gsi_insert_on_edge_immediate): Likewise.
5109         (gsi_insert_seq_on_edge): New.
5110         * gimplify.c (gimplify_cond_expr): Call
5111         gimple_cond_get_ops_from_tree.
5112         * tree-optimize.c (pass_all_optimizations): Enable.
5113         * gimple.c (gimple_cond_get_ops_from_tree): New.
5114         (gimple_build_cond_from_tree): New.
5115         * basic-block.h (struct edge_def): Replace field
5116         edge_def_insns.t with gimple_seq edge_def_insns.g.
5117         Update all users.
5118         * gimple.h (gimple_stmt_iterator):
5119         * tree-cfg.c (change_bb_for_stmt):
5120         * passes.c (init_optimization_passes): Move #if0 around
5121         to disable passes in groups instead of individually.
5122         (execute_function_todo): Re-enable call to update_ssa.
5123
5124 2008-01-25  Aldy Hernandez  <aldyh@redhat.com>
5125
5126         * gimple-pretty-print.c (dump_gimple_stmt): Handle
5127         GIMPLE_OMP_PARALLEL.
5128         * gimplify.c (pop_gimplify_context): Add comment.
5129         (gimplify_and_return_first): New.
5130         (gimplify_scan_omp_clauses): Remove unused 'gs'.
5131         Remove #if 0.
5132         (gimplify_omp_parallel): Convert to tuples.
5133         (gimplify_omp_workshare): Remove redundant retval.
5134         (gimplify_expr): Adapt to lack of retval for gimplify_omp_variable and
5135         gimplify_omp_workshare.
5136         Abort on OMP_ATOMIC_{LOAD,STORE} case.
5137
5138 2008-01-21  Diego Novillo  <dnovillo@google.com>
5139
5140         Merge with mainline @131695
5141
5142         * configure.ac (ACX_PKGVERSION): Update revision merge
5143         string.
5144         * configure: Regenerate.
5145
5146 2008-01-15  Diego Novillo  <dnovillo@google.com>
5147
5148         http://gcc.gnu.org/ml/gcc-patches/2008-01/msg00674.html
5149
5150         * tree-into-ssa.c (mark_def_sites): Force operand scan.
5151         * gimple.def (GIMPLE_ASSIGN): Move into section of
5152         statements with memory operands.
5153         * gimple-dummy.c (remove_unused_locals): Remove.
5154         * tree-flow-inline.h (noreturn_call_p,
5155         mark_stmt_modified, update_stmt, update_stmt_if_modified,
5156         stmt_modified_p): Remove.
5157         * tree-ssa-live.c: Convert to tuples.
5158         * gimple.c (gimple_set_modified): Replace
5159         mark_stmt_modified.  Update all callers.
5160         (gimple_remove): Call free_stmt_operands.
5161         * gimple.h: Include tree-ssa-operands.h
5162         Move extern function declarations earlier in the file.
5163         (GIMPLE_CHECK2): Remove.
5164         (GIMPLE_RANGE_CHECK): Remove.
5165         (struct gimple_statement_with_ops): Fix GTY markers.
5166         (struct gimple_statement_with_memory_ops): Likewise.
5167         (gimple_modified_p): Replace stmt_modifed_p.  Update all
5168         users.
5169         (update_stmt): Move from tree-flow-inline.h.  Update all
5170         users.
5171         (update_stmt_if_modified): Likewise.
5172         (gimple_has_ops): Use range GIMPLE_COND ... GIMPLE_RETURN
5173         (gimple_has_mem_ops): Use range GIMPLE_ASSIGN ... GIMPLE_RETURN
5174         (gimple_num_ops): Call gimple_has_ops.
5175         (gimple_ops): Likewise.
5176         (gimple_op): Likewise.
5177         (gimple_op_ptr): Likewise.
5178         (gimple_set_op): Likewise.
5179         (gimple_set_addresses_taken): Remove.  Update all users.
5180         (gimple_add_to_addresses_taken): Likewise.
5181         (gimple_call_noreturn_p): Replace noreturn_call_p.
5182         Update all users.
5183         (gimple_phi_arg): Assert that INDEX is smaller than
5184         CAPACITY.
5185         * passes.c (init_optimization_passes): Enable
5186         pass_referenced_vars, pass_reset_cc_flags and pass_build_ssa.
5187         * tree-ssa-operands.c (gimple_set_stored_syms): Do not
5188         free the STORES field if SYMS is empty.
5189         (gimple_set_loaded_syms): Likewise.
5190         (finalize_ssa_stmt_operands): Only call
5191         finalize_ssa_vdefs and finalize_ssa_vuses if STMT has
5192         memory operands.
5193         (get_expr_operands): Handle CASE_LABEL_EXPR.
5194         (free_stmt_operands): Free bitmaps ADDRESSES_TAKEN,
5195         STORES and LOADS.
5196         (gimple_add_to_addresses_taken): Rename from
5197         add_to_addressable_set.
5198
5199 2008-01-14  Aldy Hernandez  <aldyh@redhat.com>
5200
5201         * tree-dfa.c (dump_dfa_stats): Add %z modifier to size_t argument.
5202
5203 2008-01-11  Andrew MacLeod  <amacleod@redhat.com>
5204             Diego Novillo  <dnovillo@google.com>
5205
5206         http://gcc.gnu.org/ml/gcc-patches/2008-01/msg00493.html
5207
5208         * tree.h (struct ssa_use_operand_d): Replace field STMT
5209         with a union field LOC containing the fields STMT and
5210         SSA_NAME.
5211         Update all users.
5212         * tree-flow.h (struct immediate_use_iterator_d): Document
5213         how immediate use iteration works.
5214
5215 2008-01-10  Diego Novillo  <dnovillo@google.com>
5216
5217         http://gcc.gnu.org/ml/gcc-patches/2008-01/msg00444.html
5218
5219         * Makefile.in (tree-complex.o): Remove gt-tree-vect-generic.h
5220
5221 2008-01-10  Diego Novillo  <dnovillo@google.com>
5222
5223         http://gcc.gnu.org/ml/gcc-patches/2008-01/msg00436.html
5224
5225         * tree-ssa-operands.h (PHI_RESULT_PTR): Call
5226         gimple_phi_result_ptr.
5227         (PHI_ARG_DEF_PTR): Call gimple_phi_arg_imm_use_ptr.
5228         (free_ssa_operands): Remove.
5229         (copy_virtual_operands, create_ssa_artificial_load_stmt,
5230         add_to_addressable_set, discard_stmt_changes,
5231         FOR_EACH_PHI_OR_STMT_USE, FOR_EACH_PHI_OR_STMT_DEF): Convert
5232         to use 'gimple'.
5233         * tree-into-ssa.c: Convert to use 'gimple'.
5234         (rewrite_uses_p): New.  Use instead of REWRITE_THIS_STMT.
5235         (set_rewrite_uses): New.  Use instead of REWRITE_THIS_STMT.
5236         (register_defs_p): New.  Use instead of
5237         REGISTER_DEFS_IN_THIS_STMT.
5238         (set_register_defs): New.  Use instead of
5239         REGISTER_DEFS_IN_THIS_STMT.
5240         (REWRITE_THIS_STMT): Remove.
5241         (REGISTER_DEFS_IN_THIS_STMT): Remove.
5242         * tree-pretty-print.c (dump_vops): Remove.  Update all
5243         users.
5244         (dump_generic_node): Do not handle PHI_NODE.
5245         * tree.c (tree_node_kind): Remove "phi_nodes" entry.
5246         (tree_code_size): Do not handle PHI_NODE.
5247         (tree_size): Likewise.
5248         (make_node_stat): Likewise.
5249         (tree_node_structure): Likewise.
5250         (phi_node_elt_check_failed): Remove.
5251         * tree.h (PHI_NODE_ELT_CHECK): Remove.
5252         (PHI_RESULT_TREE): Remove.
5253         (PHI_ARG_DEF_TREE): Remove.
5254         (PHI_CHAIN): Remove.
5255         (PHI_NUM_ARGS): Remove.
5256         (PHI_ARG_CAPACITY): Remove.
5257         (PHI_ARG_ELT): Remove.
5258         (PHI_ARG_EDGE): Remove.
5259         (PHI_BB): Remove.
5260         (PHI_ARG_IMM_USE_NODE): Remove.
5261         (struct tree_phi_node): Remove.
5262         (union tree_node): Remove field 'phi'.
5263         (release_phi_node): Change argument to gimple.
5264         (duplicate_ssa_name): Change second argument to gimple.
5265         (swap_tree_operands): Remove.
5266         (enum tree_node_kind): Remove phi_kind entry.
5267         * tree-phinodes.c: Convert to use gimple.
5268         * tree-gimple.c (is_gimple_stmt): Do not handle PHI_NODE.
5269         * cgraphunit.c (cgraph_process_new_functions): Call
5270         gimple_unreachable to mark unconverted sections.
5271         (verify_cgraph_node): Do not ICE if THIS_CFUN is NULL.
5272         Convert statement verification to use gimple.
5273         (cgraph_expand_function): Call gimple_unreachable to mark
5274         unconverted sections.
5275         * tree-ssa-propagate.c: Convert to use gimple.
5276         (STMT_IN_SSA_EDGE_WORKLIST): Use flag GF_PLF_1 as marker.
5277         (DONT_SIMULATE_AGAIN): Remove.  Use gimple_visited.
5278         * gimple-dummy.c: Remove converted functions.
5279         * tree-ssa-alias.c (may_be_aliased): Re-enable.
5280         * tree-flow-inline.h (gimple_phi_arg_imm_use_ptr): Rename
5281         from get_phi_arg_def_ptr.
5282         (bsi_start, bsi_after_labels, bsi_last, bsi_end_p,
5283         bsi_next, bsi_prev, bsi_stmt, bsi_stmt_ptr): Remove.
5284         * tree.def (PHI_NODE): Remove.  Update most users.
5285         * tree-dfa.c: Convert to use gimple.
5286         * common.opt (fgimple-conversion): Default to 0.
5287         * tree-ssa.c: Convert to use gimple.
5288         * tree-optimize.c (pass_early_local_passes,
5289         pass_all_early_optimization, pass_init_datastructures):
5290         Enable.
5291         * tree-flow.h (tree_ann_type): Remove STMT_ANN.  Update
5292         all users.
5293         (struct stmt_ann_d): Remove.  Update all users.
5294         * Makefile.in (GIMPLE_H): Add tree-ssa-operands.h.
5295         (tree-ssa-copy.o, tree-phi-nodes.o, tree-complex.o):
5296         Re-enable.
5297         * gimple.h (enum plf_mask): Define.
5298         (GF_NO_WARNING): Remove
5299         (bb_seq): Return NULL if BB->il.gimple is NULL.
5300         (struct gimple_statement_base): Add bitfields no_warning,
5301         visited, unused_1, unused_2, unused_3, unused_4 and plf.
5302         (gimple_flags, gimple_set_flags, gimple_add_flag):
5303         Remove.  Update all users.
5304         (gimple_set_visited): New.
5305         (gimple_visited_p): New.
5306         (gimple_set_plf): New.
5307         (gimple_plf): New.
5308         (gimple_has_volatile_ops): New.
5309         (gimple_set_has_volatile_ops): New.
5310         (gimple_addresses_taken): New.
5311         (gimple_set_addresses_taken): New.
5312         (gimple_add_to_addresses_taken): New.
5313         (gimple_phi_result_ptr): New.
5314         (gsi_stmt_ptr): New.
5315         (gsi_bb): New.
5316         (gsi_seq): New.
5317         * tree-cfg.c (execute_build_cfg): Do not call
5318         gimple_set_body after building the CFG.
5319         (pass_build_cfg): Do not require PROP_gimple_leh.
5320         (gimplify_val): Convert to gimple.
5321         * passes.c (init_optimization_passes): Disable all of
5322         pass_all_early_optimizations.
5323         * tree-ssanames.c: Convert to gimple.
5324         * tree-ssa-operands.c: Convert to gimple.
5325         (gimple_set_stored_syms): New.
5326         (gimple_set_loaded_syms): New.
5327
5328 2008-01-03  Diego Novillo  <dnovillo@google.com>
5329
5330         Merge with mainline @131303
5331
5332         * configure.ac (ACX_PKGVERSION): Update revision merge
5333         string.
5334         * configure: Regenerate.
5335
5336 2007-12-20  Diego Novillo  <dnovillo@google.com>
5337
5338         * Makefile.in (builtins.o-warn, expr.o-warn): Add
5339         -Wno-error.
5340
5341 2007-12-05  Diego Novillo  <dnovillo@google.com>
5342
5343         http://gcc.gnu.org/ml/gcc-patches/2007-12/msg00221.html
5344
5345         * gimple.c (walk_gimple_asm): Guard against WI being
5346         NULL.
5347         (walk_gimple_stmt): Likewise.
5348
5349 2007-12-05  Diego Novillo  <dnovillo@google.com>
5350
5351         http://gcc.gnu.org/ml/gcc-patches/2007-12/msg00216.html
5352
5353         * tree.h (gimple_unreachable_1): Declare.
5354         (gimple_unreachable): Define.
5355         Replace calls to gcc_unreachable with gimple_unreachable
5356         in unconverted code.
5357         * gimple-dummy.c (gimple_unreachable_1): New function.
5358         * common.opt (fgimple-only): Remove.
5359         (fgimple-conversion): Define.
5360         * Makefile.in (STRICT_WARN): Add -Wno-return-type.
5361
5362 2007-11-30  Diego Novillo  <dnovillo@google.com>
5363
5364         Merge with mainline @130470
5365
5366         * configure.ac (ACX_PKGVERSION): Update revision merge
5367         string.
5368         * configure: Regenerate.
5369         * tree-inline.c (copy_decl_no_change,
5370         copy_decl_for_dup_finish): Re-enable.
5371
5372 2007-11-26  Aldy Hernandez  <aldyh@redhat.com>
5373
5374         * gimple.h (gimple_bind_block): Update comment.
5375
5376 2007-11-19  Diego Novillo  <dnovillo@google.com>
5377
5378         Merge with mainline @130291.
5379
5380         * configure.ac (ACX_PKGVERSION): Update revision merge string.
5381         * configure: Regenerate.
5382
5383 2007-11-19  Diego Novillo  <dnovillo@google.com>
5384
5385         * tree-flow-inline.h (get_lineno): Call IS_LOCATION_EMPTY
5386         and LOCATION_LINE instead of accessing location fields
5387         directly.
5388         * gimple-low.c (lower_function_body): Use
5389         UNKNOWN_LOCATION instead of unknown_location.
5390
5391 2007-11-16  Diego Novillo  <dnovillo@google.com>
5392
5393         * cgraph.c (cgraph_create_edge): Call gimple_body
5394         instead of DECL_SAVED_TREE.
5395         (dump_cgraph_node): Likewise.
5396         * cgraphunit.c (verify_cgraph_node): Likewise.
5397         (cgraph_analyze_functions): Likewise.
5398         (cgraph_mark_functions_to_output): Likewise.
5399         (cgraph_optimize): Likewise.
5400         * tree-eh.c (lower_eh_constructs): Add notes for future
5401         changes to calls to DECL_SAVED_TREE.
5402         (refactor_eh_r): Likewise.
5403         * cfgexpand.c (gimple_to_tree): New function.
5404         (maybe_dump_rtl_for_gimple_stmt): Rename from
5405         maybe_dump_rtl_for_tree_stmt.  Convert to tuples.
5406         (label_rtx_for_bb): Convert to tuples.
5407         (expand_gimple_cond): Rename from
5408         expand_gimple_cond_expr.  Convert to tuples.
5409         (expand_gimple_tailcall): Convert to tuples.
5410         (expand_gimple_basic_block): Convert to tuples.
5411         (discover_nonconstant_array_refs_r): Convert to tuples.
5412         (discover_nonconstant_array_refs): Convert to tuples.
5413         * tree-mudflap.c (execute_mudflap_function_decls): Add
5414         deprecation comment for DECL_SAVED_TREE call.
5415         * tree-inline.c (copy_generic_body): Call gimple_body
5416         instead of DECL_SAVED_TREE.
5417         (inlinable_function_p): Likewise.
5418         (clone_body): Add deprecation comment for DECL_SAVED_TREE
5419         call.
5420         * tree-cfg.c (remove_useless_stmts_bind): Call
5421         gimple_body instead of DECL_SAVED_TREE.
5422         (remove_useless_stmts): Likewise.
5423
5424 2007-11-10  Aldy Hernandez  <aldyh@redhat.com>
5425
5426         * tree-cfg.c (verify_types_in_gimple_call): OBJ_TYPE_REF are allowed
5427         as function types.
5428
5429         [objc]
5430         * objc-act.c (objc_gimplify_expr): Change pre and post to sequences.
5431         * objc-act.h (objc_gimplify_expr): Change prototype accordingly.
5432
5433         [testsuite]
5434         * lib/objc.exp: Set -I regardless of libobjc.
5435
5436 2007-11-10  Aldy Hernandez  <aldyh@redhat.com>
5437
5438         * tree-gimple.h (tree_annotate_all_with_locus): New.
5439         * gimple-dummy.c: Add omp_reduction_init and
5440         diagnose_omp_structured_block_errors.
5441         * gimplify.c (tree_should_carry_locus_p): New.
5442         (tree_annotate_one_with_locus): New.
5443         (tree_annotate_all_with_locus): New.
5444
5445 2007-11-08  Diego Novillo  <dnovillo@google.com>
5446
5447         Merge with mainline @129982
5448
5449         * configure.ac (ACX_PKGVERSION): Update revision merge string.
5450         * configure: Regenerate.
5451
5452 2007-11-01  Diego Novillo  <dnovillo@google.com>
5453
5454         * cgraphbuild.c (initialize_inline_failed): Re-enable.
5455         (build_cgraph_edges): Adapt to use tuples.
5456         (pass_build_cgraph): Re-enable.
5457         (rebuild_cgraph_edges): Adapt to use tuples.
5458         * cgraph.c (cgraph_release_function_body): Also NULLify the
5459         gimple body.
5460         (debug_cgraph_node): New.
5461         (debug_cgraph): New.
5462         * cgraph.h (struct cgraph_edge): Change field CALL_STMT to
5463         type gimple.  Update all users.
5464         * cgraphunit.c (cgraph_analyze_functions): If DECL does not
5465         have a struct function entry, discard it.
5466         * gimple.h (GF_CALL_CANNOT_INLINE): New.
5467         (gimple_call_lhs_ptr): New.
5468         (gimple_call_mark_uninlinable): New.
5469         (gimple_call_cannot_inline_p): New.
5470         (struct walk_stmt_info): Add field PSET.
5471
5472 2007-11-01  Diego Novillo  <dnovillo@google.com>
5473
5474         * tree-optimize.c (tree_rest_of_compilation): Call
5475         gimple_set_body to remove the body if not inlining.
5476         * gimple.c (walk_gimple_stmt): Update documentation.
5477         Pass WI->PSET to every call to walk_tree.
5478
5479 2007-11-01  Diego Novillo  <dnovillo@google.com>
5480
5481         * langhooks.h (struct lang_hooks_for_callgraph): Remove third
5482         argument from function pointer ANALYZE_EXPR.  Update all
5483         users.
5484
5485 2007-10-30  Diego Novillo  <dnovillo@google.com>
5486
5487         * gimple.c (gimple_build_omp_return): Call
5488         gimple_omp_return_set_nowait if needed.
5489         * gimple.h (GIMPLE_CHECK, GIMPLE_CHECK2, GIMPLE_RANGE_CHECK):
5490         Move earlier in the file.
5491         (GF_NO_WARNING): Change to static const unsigned.
5492         (GF_CALL_TAILCALL): New.
5493         (GF_OMP_PARALLEL_COMBINED): Rename from
5494         OMP_PARALLEL_COMBINED_FLAG.  Change to static const unsigned.
5495         Update all users.
5496         (GF_OMP_RETURN_NOWAIT): Rename from OMP_RETURN_NOWAIT_FLAG.
5497         Change to static const unsigned.
5498         Update all users.
5499         (GF_OMP_SECTION_LAST): Rename from OMP_SECTION_LAST_FLAG.
5500         Change to static const unsigned.
5501         Update all users.
5502         (gimple_omp_return_set_nowait): New.
5503         (gimple_call_set_tail): New.
5504         (gimple_call_tail_p): New.
5505
5506 2007-10-30  Aldy Hernandez  <aldyh@redhat.com>
5507
5508         * gimplify.c (get_tmp_var_for): Remove reference to IS_FORMAL in
5509         opening comment.
5510         (gimplify_return_expr): Return GS_ERROR if we have errored.
5511         (gimplify_statement_list): Handle case where voidify_wrapper returns a
5512         temporary.
5513         (gimplify_call_expr): Return gracefully on error.
5514         (gimplify_cond_expr): Same.
5515         * gimple.h (gimple_call_return_type): Do not error on methods.
5516
5517 2007-10-29  Diego Novillo  <dnovillo@google.com>
5518             Tom Tromey  <tromey@redhat.com>
5519
5520         * gimple.h (gimple_locus): Update comment.
5521         (gimple_set_locus): Likewise.
5522         (gimple_locus_empty_p): Add support for mapped locations.
5523
5524 2007-10-29  Diego Novillo  <dnovillo@google.com>
5525
5526         * tree-optimize.c (execute_cleanup_cfg_pre_ipa): Re-enable.
5527         * gimple.c (walk_gimple_asm): Tidy comment.
5528
5529 2007-10-29  Aldy Hernandez  <aldyh@redhat.com>
5530
5531         * tree-gimple.h (build_gimple_eh_filter_tree): Remove.
5532         * gimplify.c (build_gimple_eh_filter_tree): Move from here...
5533         * cp/cp-gimplify.c: ...to here.
5534         (cp_gimplify_init_expr): Convert to tuples.
5535         (gimplify_must_not_throw_expr): Make function return a
5536         gimplify_status and convert to tuples.
5537         (cp_gimplify_expr): Convert MUST_NOT_THROW_EXPR, INIT_EXPR, and
5538         USING_STMT to tuples.
5539
5540 2007-10-28  Aldy Hernandez  <aldyh@redhat.com>
5541
5542         * gimplify.c (gimplify_body): Make work when body contains more than
5543         a GIMPLE_BIND statement.
5544
5545 2007-10-26  Diego Novillo  <dnovillo@google.com>
5546
5547         Merge with mainline @129659.
5548
5549         * configure.ac (ACX_PKGVERSION): Update revision merge string.
5550         * configure: Regenerate.
5551
5552 2007-10-26  Diego Novillo  <dnovillo@google.com>
5553
5554         * gimple-low.c (lower_builtin_setjmp): Pass ARG to first
5555         call to gimple_build_call.
5556
5557 2007-10-17  Aldy Hernandez  <aldyh@redhat.com>
5558
5559         * tree-gimple.c (get_gimple_rhs_class): Add case for EXC_PTR_EXPR.
5560         * gimplify.c (gimple_conditional_context): Enable.
5561         (gimplify_cleanup_point_expr): Enable.  Adjust for tuples.
5562         (gimple_push_cleanup): Enable.
5563         (gimplify_target_expr): Do not gimplify TARGET_EXPR_CLEANUP before
5564         calling gimple_push_cleanup.
5565         (gimplify_expr): Rename `try' to `try_'.
5566         Enable CLEANUP_POINT_EXPR case.
5567         Gimplify CATCH_EXPR and EH_FILTER_EXPR cases correctly.
5568
5569 2007-10-17  Aldy Hernandez  <aldyh@redhat.com>
5570
5571         * gimple.c (gimple_size): Handle GIMPLE_WITH_CLEANUP_EXPR.
5572         * gimple.h (struct gimple_statement_catch): Make handler a structure,
5573         not a pointer.
5574         (struct gimple_statement_eh_filter): Make failure a structure, not a
5575         pointer.
5576         document EH_FILTER_MUST_NOT_THROW subcode flag.
5577         (gimple_catch_handler): Handler is now a struct.
5578         (gimple_catch_set_handler): Same.
5579         (gimple_eh_filter_failure): Failure is now a struct.
5580         (gimple_eh_filter_set_failure): Same.
5581         (gimple_eh_filter_must_not_throw): New.
5582         (gimple_eh_filter_set_must_not_throw): New.
5583         (gsi_next): Update comment.
5584         (gsi_prev): Same.
5585         * tree-cfg.c (verify_types_in_gimple_seq_2): Handle GIMPLE_EH_FILTER.
5586
5587 2007-10-18  Diego Novillo  <dnovillo@google.com>
5588
5589         * gimple-iterator.c (gsi_delink): Remove.
5590         * gimple.h (gsi_delink): Remove.
5591
5592 2007-10-17  Diego Novillo  <dnovillo@google.com>
5593
5594         * coretypes.h (const_gimple_seq): New typedef.
5595         * gimple.h (gimple_seq_first): Constify argument.
5596         (gimple_seq_last): Likewise.
5597         (gimple_seq_copy): Likewise.
5598         (gimple_seq_empty_p): Likewise.
5599         (gimple_set_prev): Rename from set_gimple_prev.
5600         Update all users.
5601         (gimple_set_next): Rename from set_gimple_next.
5602         Update all users.
5603         (gimple_set_flags): Rename from set_gimple_flags.
5604         Update all users.
5605         (gimple_add_flag): Rename from add_gimple_flag.
5606         Update all users.
5607         (gimple_set_subcode): Rename from set_gimple_subcode.
5608         Update all users.
5609         (gimple_set_block): Rename from set_gimple_block.
5610         Update all users.
5611         (gimple_set_locus): Rename from set_gimple_locus.
5612         Update all users.
5613         (gimple_locus_empty_p): Constify argument.
5614         (gimple_has_ops): Likewise.
5615         (gimple_has_mem_ops): Likewise.
5616         (gimple_def_ops): Likewise.
5617         (gimple_set_def_ops): Rename from set_gimple_def_ops.
5618         Update all users.
5619         (gimple_use_ops): Constify argument.
5620         (gimple_set_use_ops): Rename from set_gimple_use_ops.
5621         Update all users.
5622         (gimple_vuse_ops): Constify argument.
5623         (gimple_set_vuse_ops): Rename from set_gimple_vuse_ops.
5624         Update all users.
5625         (gimple_vdef_ops): Constify argument.
5626         (gimple_set_vdef_ops): Rename from set_gimple_vdef_ops.
5627         Update all users.
5628         (gimple_loaded_syms): Constify argument.
5629         (gimple_stored_syms): Constify argument.
5630         (gimple_modified): Constify argument.
5631         (gimple_set_modified): Rename from set_gimple_modified.
5632         Update all users.
5633         (gimple_omp_return_nowait_p): Constify argument.
5634         (gimple_omp_section_last_p): Constify argument.
5635         (gimple_omp_parallel_combined_p): Constify argument.
5636         (gimple_build_return): Rename from build_gimple_return.
5637         Update all users.
5638         (gimple_build_assign): Rename from build_gimple_assign.
5639         Update all users.
5640         (gimple_build_assign_with_ops): Rename from
5641         build_gimple_assign_with_ops.
5642         Update all users.
5643         (gimple_build_call_vec): Rename from build_gimple_call_vec.
5644         Update all users.
5645         (gimple_build_call): Rename from build_gimple_call.
5646         Update all users.
5647         (gimple_build_cond): Rename from build_gimple_cond.
5648         Update all users.
5649         (gimple_build_label): Rename from build_gimple_label.
5650         Update all users.
5651         (gimple_build_goto): Rename from build_gimple_goto.
5652         Update all users.
5653         (gimple_build_nop): Rename from build_gimple_nop.
5654         Update all users.
5655         (gimple_build_asm): Rename from build_gimple_asm.
5656         Update all users.
5657         (gimple_build_asm_vec): Rename from build_gimple_asm_vec.
5658         Update all users.
5659         (gimple_build_catch): Rename from build_gimple_catch.
5660         Update all users.
5661         (gimple_build_eh_filter): Rename from build_gimple_eh_filter.
5662         Update all users.
5663         (gimple_build_try): Rename from build_gimple_try.
5664         Update all users.
5665         (gimple_build_wce): Rename from build_gimple_wce.
5666         Update all users.
5667         (gimple_build_resx): Rename from build_gimple_resx.
5668         Update all users.
5669         (gimple_build_switch): Rename from build_gimple_switch.
5670         Update all users.
5671         (gimple_build_switch_vec): Rename from
5672         build_gimple_switch_vec.  Update all users.
5673         (gimple_build_omp_parallel): Rename from
5674         build_gimple_omp_parallel.  Update all users.
5675         (gimple_build_omp_for): Rename from build_gimple_omp_for.
5676         Update all users.
5677         (gimple_build_omp_critical): Rename from
5678         build_gimple_omp_critical.
5679         Update all users.
5680         (gimple_build_omp_section): Rename from
5681         build_gimple_omp_section.  Update all users.
5682         (gimple_build_omp_continue): Rename from
5683         build_gimple_omp_continue.  Update all users.
5684         (gimple_build_omp_master): Rename from
5685         build_gimple_omp_master.  Update all users.
5686         (gimple_build_omp_ordered): Rename from
5687         build_gimple_omp_ordered.  Update all users.
5688         (gimple_build_omp_sections): Rename from
5689         build_gimple_omp_sections.  Update all users.
5690         (gimple_build_omp_single): Rename from
5691         build_gimple_omp_single.  Update all users.
5692         (gimple_set_body): Rename from set_gimple_body.  Update all
5693         users.
5694         (gimple_set_bb): Rename from set_gimple_bb.  Update all users.
5695         (is_gimple_operand): Constify argument.
5696         (gimple_ops): Likewise.
5697         (gimple_op_ptr): Likewise.
5698         (gimple_call_lhs): Likewise.
5699         (gimple_call_return_type): Likewise.
5700         (gimple_call_chain): Likewise.
5701         (gimple_call_arg_ptr): Likewise.
5702         (gimple_cond_true_label): Likewise.
5703         (gimple_bind_vars): Likewise.
5704         (gimple_bind_set_body): Likewise.
5705         (gimple_bind_block): Likewise.
5706         (gimple_asm_ninputs): Likewise.
5707         (gimple_asm_noutputs): Likewise.
5708         (gimple_asm_nclobbers): Likewise.
5709         (gimple_asm_input_op): Likewise.
5710         (gimple_asm_output_op): Likewise.
5711         (gimple_asm_clobber_op): Likewise.
5712         (gimple_asm_string): Likewise.
5713         (gimple_asm_volatile_p): Likewise.
5714         (gimple_catch_types): Likewise.
5715         (gimple_catch_handler): Likewise.
5716         (gimple_eh_filter_types): Likewise.
5717         (gimple_eh_filter_failure): Likewise.
5718         (gimple_try_kind): Likewise.
5719         (gimple_try_set_eval): Likewise.
5720         (gimple_try_set_cleanup): Likewise.
5721         (gimple_wce_set_cleanup): Likewise.
5722         (gimple_wce_cleanup_eh_only): Likewise.
5723         (gimple_phi_capacity): Likewise.
5724         (gimple_phi_num_args): Likewise.
5725         (gimple_phi_result): Likewise.
5726         (gimple_resx_region): Likewise.
5727         (gimple_switch_num_labels): Likewise.
5728         (gimple_switch_label): Likewise.
5729         (gimple_switch_default_label): Likewise.
5730         (gimple_omp_set_body): Likewise.
5731         (gimple_omp_critical_name): Likewise.
5732         (gimple_omp_for_clauses): Likewise.
5733         (gimple_omp_for_index): Likewise.
5734         (gimple_omp_for_initial): Likewise.
5735         (gimple_omp_for_final): Likewise.
5736         (gimple_omp_for_incr): Likewise.
5737         (gimple_omp_for_set_pre_body): Likewise.
5738         (gimple_omp_parallel_clauses): Likewise.
5739         (gimple_omp_parallel_child_fn): Likewise.
5740         (gimple_omp_parallel_data_arg): Likewise.
5741         (gimple_omp_single_clauses): Likewise.
5742         (gimple_omp_sections_clauses): Likewise.
5743         (gimple_omp_for_cond): Likewise.
5744         (gimple_return_retval): Likewise.
5745         (is_gimple_omp): Likewise.
5746         (gimple_nop_p): Likewise.
5747         (gimple_expr_type): Likewise.
5748
5749 2007-10-17  Diego Novillo  <dnovillo@google.com>
5750
5751         * tree-ssa-loop-manip.c (gimple_duplicate_loop_to_header_edge): Rename
5752         from tree_duplicate_loop_to_header_edge.
5753         Update all users.
5754         * value-prof.c: Convert and enable all functions in the file.
5755         (gimple_divmod_fixed_value): Rename from
5756         tree_divmod_fixed_value.
5757         (gimple_mod_pow2): Rename from tree_mod_pow2.
5758         (gimple_mod_subtract): Rename from tree_mod_subtract.
5759         (gimple_divmod_fixed_value_transform): Rename from
5760         tree_divmod_fixed_value_transform.
5761         (gimple_mod_pow2_value_transform): Rename from
5762         tree_mod_pow2_value_transform.
5763         (gimple_mod_subtract_transform): Rename from
5764         tree_mod_subtract_transform.
5765         (gimple_stringops_transform): Rename from tree_stringops_transform.
5766         (gimple_ic_transform): Rename from tree_ic_transform.
5767         Update all users.
5768         * value-prof.h (gimple_register_value_prof_hooks): Rename from
5769         tree_register_value_prof_hooks.  Update all users.
5770         * tree.h (OMP_DIRECTIVE_P): Remove.  Update all users.
5771         (validate_arglist): Move to gimple.h.
5772         * builtins.c: (validate_arglist): Change first argument to
5773         const_gimple.  Disable most callers.
5774         * gimple.def: Document all GIMPLE codes.
5775         * tree-gimple.c (is_gimple_operand): New.
5776         (get_gimple_rhs_class)<ADDR_EXPR>: Accept as a
5777         GIMPLE_SINGLE_RHS.
5778         <WITH_SIZE_EXPR>: Likewise.
5779         (get_gimple_rhs_num_ops): New.
5780         (is_gimple_call_addr): Tidy.
5781         * tree-gimple.h (get_gimple_rhs_num_ops): Declare.
5782         * gimple-dummy.c (free_histograms, stringop_block_profile):
5783         Remove.
5784         * gimple-low.c (lower_function_body): Tidy.
5785         * predict.c (gimple_predicted_by_p): Rename from
5786         tree_predicted_by_p.  Update all users.
5787         (gimple_predict_edge): Rename from tree_predict_edge.  Update
5788         all users.
5789         * gimple-iterator.c (gsi_link_seq_after): Update documentation.
5790         (gsi_link_after): Likewise.
5791         * tree-eh.c (stmt_could_throw_1_p): New.
5792         (stmt_could_throw_p): New.
5793         * gimple-pretty-print.c (dump_unary_rhs): Print ADDR_EXPR as
5794         a single operand.
5795         (dump_gimple_switch): Support NULL case labels.
5796         (dump_gimple_asm): Dump outputs first.
5797         * gimplify.c (compare_case_labels): Make the default label
5798         sort first.
5799         (sort_case_labels): Do not special case the default label.
5800         (gimplify_init_ctor_eval): Gimplify initializer expressions.
5801         (gimplify_modify_expr): Unshare the operands before setting
5802         them on the new GIMPLE_ASSIGN statement.
5803         (gimplify_asm_expr): NULLify the chain on operands before
5804         putting them on the input/output vectors.
5805         * tree-cfgcleanup.c: Convert and enable CFG cleanup functions.
5806         (cleanup_control_expr_graph): Call gimple_fold.
5807         * tree-flow.h (gimple_block_label): Rename from
5808         tree_block_label.  Update all users.
5809         (gimple_duplicate_sese_region): Rename from
5810         tree_duplicate_sese_region.  Update all users.
5811         (gimple_duplicate_sese_tail): Rename from
5812         tree_duplicate_sese_tail.  Update all users.
5813         (gimple_purge_dead_abnormal_call_edges): Rename from
5814         tree_purge_dead_abnormal_call_edges.  Update all users.
5815         (gimple_purge_all_dead_eh_edges): Rename from
5816         tree_purge_all_dead_eh_edges.  Update all users.
5817         (stmt_could_throw_p): Declare.
5818         (add_stmt_to_eh_region_fn): Move from except.h.
5819         (remove_stmt_from_eh_region_fn): Likewise.
5820         (lookup_stmt_eh_region_fn): Likewise.
5821         (lookup_stmt_eh_region): Likewise.
5822         (verify_eh_edges): Likewise.
5823         * Makefile.in (GIMPLE_H): Add dependencies on GGC_H, TM_H and
5824         TARGET_H.
5825         (ipa-inline.o): Add dependency on TREE_FLOW_H.
5826         (out_object_file): Add dependency on TREE_GIMPLE_H.
5827         * gimple.c (gimple_set_code): Rename from set_gimple_code.
5828         (gimple_size): New.
5829         (gimple_alloc): New.
5830         (gimple_alloc_ops): New.
5831         (build_gimple_with_ops): Call them.
5832         (build_gimple_return): Only call gimple_return_set_retval if
5833         RETVAL is not NULL.
5834         (build_gimple_call): Validate argument FN.
5835         (extract_ops_from_tree): New.
5836         (build_gimple_assign_with_ops): New.
5837         (build_gimple_assign): Call them.
5838         (build_gimple_nop):  Call gimple_alloc.
5839         (build_gimple_bind): Likewise.
5840         (build_gimple_asm_1): Tidy.
5841         (build_gimple_asm_vec): Tidy.
5842         (build_gimple_asm): Tidy.
5843         (build_gimple_catch): Call gimple_alloc.
5844         (build_gimple_eh_filter): Likewise.
5845         (build_gimple_try): Likewise.
5846         (build_gimple_wce): Likewise.
5847         (build_gimple_phi): Remove.
5848         (build_gimple_resx): Call gimple_alloc.
5849         (build_gimple_switch_1): Tidy.
5850         (build_gimple_switch): Tidy.
5851         (build_gimple_omp_critical): Call gimple_alloc.
5852         (build_gimple_omp_for): Likewise.
5853         (build_gimple_omp_parallel): Likewise.
5854         (build_gimple_omp_section): Likewise.
5855         (build_gimple_omp_master): Likewise.
5856         (build_gimple_omp_continue): Likewise.
5857         (build_gimple_omp_ordered): Likewise.
5858         (build_gimple_omp_return): Likewise.
5859         (build_gimple_omp_sections): Likewise.
5860         (build_gimple_omp_single): Likewise.
5861         (gimple_check_failed): Change GS to const_gimple.  Update all
5862         users.
5863         (gimple_range_check_failed): Likewise.
5864         (walk_gimple_seq): Change return type to tree.  Update all
5865         users.
5866         If the call to walk_gimple_stmt returns non-NULL,
5867         return it immediately.
5868         (walk_gimple_asm): Change return type to tree.  Update all
5869         users.
5870         If the call to walk_tree returns non-NULL, return it.
5871         (walk_gimple_stmt): Likewise.
5872         (gimple_fold): New.
5873         (gimple_assign_set_rhs_from_tree): New.
5874         (gimple_assign_set_rhs_with_ops): New.
5875         (gimple_copy): New.
5876         * basic-block.h (gimple_predicted_by_p): Rename from
5877         tree_predicted_by_p.  Update all users.
5878         (gimple_predict_edge): Rename from tree_predict_edge.  Update
5879         all users.
5880         * gimple.h: Add documentation to all inline functions.
5881         (gimple_seq_first): Return NULL if S is NULL.
5882         (gimple_seq_last): Likewise.
5883         (GF_ASM_VOLATILE): Define.
5884         (GF_NO_WARNING): Rename from GIMPLE_NO_WARNING.  Update all
5885         users.
5886         (build_gimple_assign_with_ops): Declare.
5887         (build_gimple_asm): Change unsigned arguments to size_t.
5888         Update all users.
5889         (build_gimple_switch): Likewise.
5890         (build_gimple_phi): Remove.
5891         (validate_arglist): Declare.
5892         (gimple_fold): Declare.
5893         (gimple_assign_set_rhs_from_tree): Declare.
5894         (gimple_assign_set_rhs_with_ops): Declare.
5895         (gimple_copy): Declare.
5896         (is_gimple_operand): Declare.
5897         (gimple_num_ops): Change argument to const_gimple.
5898         Return 0 if GS is not one of the statements that has tree
5899         operands.
5900         (gimple_ops): New.
5901         (gimple_op): Change argument to const_gimple.
5902         If GS is not a statement that has tree operands, return NULL.
5903         (gimple_op_ptr): Likewise.
5904         (gimple_assign_subcode): Change argument to const_gimple.
5905         (gimple_assign_operand): Remove.  Update all users.
5906         (gimple_assign_set_operand): Remove.  Update all users.
5907         (gimple_assign_lhs): Change argument type to const_gimple.
5908         (gimple_assign_rhs1): Likewise.
5909         (gimple_assign_rhs2): Likewise.
5910         (gimple_assign_set_rhs1): Assert that RHS is a valid operand.
5911         (gimple_assign_set_rhs2): Likewise.
5912         (gimple_call_lhs): Call gimple_op.
5913         (gimple_call_set_lhs): Assert that LHS is a valid operand.
5914         Call gimple_set_op.
5915         (gimple_call_set_fn): New.
5916         (gimple_call_fndecl): Change argument type to const_gimple.
5917         Call gimple_call_fn.
5918         (gimple_call_chain): Call gimple_op.
5919         (gimple_call_set_chain): Assert that CHAIN is valid.
5920         Call gimple_set_op.
5921         (gimple_call_nargs): Change argument to const_gimple.
5922         Call gimple_op.
5923         (gimple_call_arg_ptr): Call gimple_op_ptr.
5924         (gimple_call_set_arg): Assert that ARG is valid.
5925         Call gimple_set_op.
5926         (gimple_cond_code): Change argument to const_gimple.
5927         (gimple_cond_lhs): Change argument to const_gimple.
5928         (gimple_cond_set_lhs): Assert that the operand is valid.
5929         Call gimple_set_op.
5930         (gimple_cond_rhs): Change argument to const_gimple.
5931         Call gimple_op.
5932         (gimple_cond_true_label): Call gimple_op.
5933         (gimple_cond_false_label): Likewise.
5934         (gimple_label_label): Likewise.
5935         (gimple_cond_set_true_label): Assert that the operand is
5936         valid.
5937         Call gimple_set_op.
5938         (gimple_cond_set_false_label): Likewise.
5939         (gimple_goto_dest): Change argument to const_gimple.
5940         Call gimple_set_op.
5941         (gimple_goto_set_dest): Assert that the operand is valid.
5942         Call gimple_set_op.
5943         (gimple_asm_ninputs): Change return type to size_t.  Update
5944         all users.
5945         (gimple_asm_noutputs): Likewise.
5946         (gimple_asm_nclobbers): Rename from gimple_asm_nclobbered.
5947         Change return type to size_t.
5948         Update all users.
5949         (gimple_asm_set_input_op): Assert that the argument is
5950         valid.
5951         (gimple_asm_set_output_op): Likewise.
5952         (gimple_asm_set_clobber_op): Likewise.
5953         (gimple_asm_volatile_p): New.
5954         (gimple_asm_set_volatile): New.
5955         (gimple_asm_clear_volatile): New.
5956         (gimple_phi_set_capacity): Remove.
5957         (gimple_phi_set_nargs): Remove.
5958         (gimple_expr_type): New.
5959         (struct walk_stmt_info): Remove fields want_bind_expr and
5960         want_return_expr.  Update all users.
5961         * tree-cfg.c: Convert all functions for CFG cleanup and
5962         verification.
5963         (gimple_redirect_edge_and_branch): Rename from
5964         tree_redirect_edge_and_branch.
5965         (gimple_try_redirect_by_replacing_jump): Rename from
5966         tree_try_redirect_by_replacing_jump.
5967         (gimple_verify_flow_info): Rename from tree_verify_flow_info.
5968         (gimple_make_forwarder_block): Rename from
5969         tree_make_forwarder_block.
5970         (gimple_cfg2vcg): Rename from tree_cfg2vcg.
5971         (gimple_merge_blocks): Rename from tree_merge_blocks.
5972         (gimple_can_merge_blocks_p): Rename from tree_merge_blocks_p.
5973         (gimple_can_remove_branch_p): Rename from tree_can_remove_branch_p.
5974         (gimple_redirect_edge_and_branch): Rename from
5975         tree_redirect_edge_and_branch.
5976         (gimple_move_block_after): Rename from tree_move_block_after.
5977         (gimple_predict_edge): Rename from tree_predict_edge.
5978         (gimple_predicted_by_p): Rename from tree_predicted_by_p.
5979         (gimple_duplicate_bb): Rename from tree_duplicate_bb.
5980         (gimple_can_duplicate_bb_p): Rename from tree_can_duplicate_bb_p.
5981         (gimple_split_edge): Rename from tree_split_edge.
5982         (gimple_make_forwarder_block): Rename from tree_make_forwarder_block.
5983         (gimple_block_ends_with_call_p): Rename from
5984         tree_block_ends_with_call_p.
5985         (gimple_block_ends_with_condjump_p): Rename from
5986         tree_block_ends_with_condjump_p.
5987         (gimple_flow_call_edges_add): Rename from
5988         tree_flow_call_edges_add.
5989         (gimple_execute_on_growing_pred): Rename from
5990         tree_execute_on_growing_pred.
5991         (gimple_execute_on_shrinking_pred): Rename from
5992         tree_execute_on_shrinking_pred.
5993         (gimple_duplicate_loop_to_header_edge): Rename from
5994         tree_duplicate_loop_to_header_edge.
5995         (gimple_lv_add_condition_to_bb): Rename from
5996         tree_lv_add_condition_to_bb.
5997         (gimple_lv_adjust_loop_header_phi): Rename from
5998         tree_lv_adjust_loop_header_phi.
5999         (struct pass_build_cfg): Enable TODO_verify_stmts and
6000         TODO_cleanup_cfg.
6001         * passes.c (execute_function_todo): Enable call to
6002         cleanup_tree_cfg.
6003
6004 2007-10-17  Aldy Hernandez  <aldyh@redhat.com>
6005
6006         * gimple.def: Add GIMPLE_WITH_CLEANUP_EXPR.
6007         * gsstruct.def: Add GSS_WCE.
6008         * gimple-iterator.c (gsi_delink): New.
6009         (gsi_split_seq_*): Update comment.
6010         * gimple.c (gss_for_code): Handle GIMPLE_WCE.  Adjust whitespace.
6011         (build_gimple_wce): New.
6012         * gimple.h (struct gimple_statement_wce): New.
6013         (union gimple_statement_d): Add gimple_wce.
6014         (build_gimple_wce): Protoize.
6015         (gimple_wce_cleanup): New.
6016         (gimple_wce_set_cleanup): New.
6017         (gimple_wce_cleanup_eh_only): New.
6018         (gimple_wce_set_cleanup_eh_only): New.
6019         (gsi_delink): Protoize.
6020
6021 2007-10-12  Aldy Hernandez  <aldyh@redhat.com>
6022
6023         * Makefile.in (GIMPLE_H): Depend on TARGET_H.
6024         * gimple.h (gsi_alloc): New.
6025         (_ALLOC_GSI): Remove.
6026         Replace _ALLOC_GSI uses by gsi_alloc.
6027
6028 2007-10-12  Aldy Hernandez  <aldyh@redhat.com>
6029
6030         * gimple.h (_ALLOC_GSI): New.
6031         Use it throughout when allocating a new gimple_stmt_iterator.
6032
6033 2007-10-11  Aldy Hernandez  <aldyh@redhat.com>
6034
6035         Merge with mainline @129233.
6036
6037         * configure.ac (ACX_PKGVERSION): Update revision merge string.
6038         * configure: Regenerate.
6039
6040 2007-10-11  Aldy Hernandez  <aldyh@redhat.com>
6041
6042         * cfg.c: Include tree-flow.h.
6043         (remove_edge_raw): Call redirect_edge_var_map_clear.
6044         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
6045         * tree-flow-inline.h (redirect_edge_var_map_def): New.
6046         (redirect_edge_var_map_result): New.
6047         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
6048         PENDING_STMT use with redirect_edge_var_map_*.
6049         * tree-ssa.c (edge_var_maps): New definition.
6050         (redirect_edge_var_map_add): New.
6051         (redirect_edge_var_map_clear): New.
6052         (redirect_edge_var_map_dup): New.
6053         (redirect_edge_var_map_vector): New.
6054         (redirect_edge_var_map_destroy): New.
6055         (ssa_redirect_edge): Replace PENDING_STMT use with
6056         redirect_edge_var_map_*.
6057         (flush_pending_stmts): Same.
6058         (delete_tree_ssa): Destroy edge var map.
6059         * tree-flow.h (struct _edge_var_map): New.
6060         Define edge_var_map vector type.
6061         Declare redirect_edge_var_map_* prototypes.
6062         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
6063         * tree-cfg.c (reinstall_phi_args): Replace
6064         PENDING_STMT use with redirect_edge_var_map_*.
6065
6066 2007-10-02  Diego Novillo  <dnovillo@google.com>
6067
6068         Merge with mainline @128957.
6069
6070         * configure.ac (ACX_PKGVERSION): Update revision merge string.
6071         * configure: Regenerate.
6072
6073 2007-09-24  Diego Novillo  <dnovillo@google.com>
6074
6075         Merge with mainline @128708.
6076
6077         * configure.ac (ACX_PKGVERSION): Update revision merge string.
6078         * configure: Regenerate.
6079
6080 2007-09-24  Diego Novillo  <dnovillo@google.com>
6081
6082         * gimple.h (gimple_code): Change argument type to
6083         const_gimple.
6084         (gimple_flags): Likewise.
6085         (gimple_subcode): Likewise.
6086         (gimple_next): Likewise.
6087         (gimple_prev): Likewise.
6088         (gimple_bb): Likewise.
6089         (gimple_block): Likewise.
6090         (gimple_locus): Likewise.
6091
6092 2007-09-15  Diego Novillo  <dnovillo@google.com>
6093
6094         * gimple-iterator.c (gsi_replace): Call gsi_insert_before and
6095         gsi_remove to do the replacement.
6096         (gsi_insert_before): Take the basic block from the iterator.
6097         (gsi_insert_after): Likewise.
6098         * gimple-iterator.h: Move inside gimple.h.
6099         * tree-eh.c (make_eh_edge, make_eh_edges): Enable.
6100         * gimple-pretty-print.c (dump_gimple_seq, dump_gimple_cond,
6101         dump_gimple_bind, dump_gimple_try): Do not handle TDF_DETAILS.
6102         (dump_gimple_switch): Fix display of case labels.
6103         (dump_gimple_stmt): Handle TDF_DIAGNOSTIC.
6104         (pp_cfg_jump): New.
6105         (dump_implicit_edges): New.
6106         (gimple_dump_bb_buff): Call it.
6107         * domwalk.c (walk_dominator_tree):
6108         * gimplify.c (gimplify_switch_expr): Fix generation of
6109         GIMPLE_SWITCH labels.
6110         (gimplify_case_label_expr): Emit a label for CASE_LABEL
6111         instead of the CASE_LABEL_EXPR.
6112         * Makefile.in (GIMPLE_H): Add dependency on BASIC_BLOCK_H.
6113         * gimple.c (walk_gimple_stmt): Reverse meaning of return value
6114         of CALLBACK_STMT.  Update all users.
6115         Walk sub-statements of statements with bodies.
6116         * gimple.h (GCC_GIMPLE_H): Rename from GCC_GIMPLE_IR_H.
6117         Include vec.h, tm.h, hard-reg-set.h and basic-block.h.
6118         (bb_seq, set_bb_seq): Move from tree-flow-inline.h
6119         (gimple_label_set_label): Do not allow CASE_LABEL_EXPR.
6120         (gsi_start_bb): New.  Update all users that were calling
6121         gsi_start (bb_seq ()).
6122         (struct gimple_stmt_iterator): Add field 'bb'.
6123         * tree-cfg.c (build_gimple_cfg): Enable.
6124         (create_bb): Create a new sequence if the given one is NULL.
6125         (make_gimple_switch_edges): Rename from make_switch_expr_edges.
6126         Update all users.
6127         (cleanup_dead_labels): Fix handling of GIMPLE_SWITCH.
6128         (group_case_labels): Likewise.
6129         (verify_types_in_gimple_stmt): Do not allow CASE_LABEL_EXPR in
6130         a GIMPLE_LABEL.
6131
6132 2007-09-13  Diego Novillo  <dnovillo@google.com>
6133
6134         * tree-pretty-print.c (dump_symbols, dump_generic_bb,
6135         dump_bb_header, dump_bb_end, dump_phi_nodes, pp_cfg_jump,
6136         dump_implicit_edges, dump_generic_bb_buff): Remove.
6137         * value-prof.c (histogram_eq): Enable.
6138         (dump_histograms_for_stmt): Adapt to tuples.
6139         * value-prof.h (struct):
6140         * cfghooks.h (struct cfg_hooks)<dump_bb>: Add int argument.
6141         Update all users.
6142         * gimple-dummy.c (gimple_remove_stmt_histograms,
6143         remove_stmt_from_eh_region): Remove.
6144         * gimple-iterator.h (gsi_start): Support NULL sequences.
6145         * tree-eh.c (add_stmt_to_eh_region): Enable.
6146         (remove_stmt_from_eh_region): Enable.
6147         (lookup_stmt_eh_region): Enable.
6148         (tree_could_throw_p): Enable.
6149         (stmt_can_throw_internal): Enable.
6150         * gimple-pretty-print.c: Include value-prof.h
6151         (dump_gimple_cond): Do not insert a newline initially.
6152         (dump_gimple_bind): Likewise.
6153         (dump_gimple_try): Likewise.
6154         (dump_gimple_asm): Likewise.
6155         (dump_symbols): Move from tree-pretty-print.c
6156         (dump_gimple_phi): New.
6157         (dump_gimple_stmt): Call it..
6158         (dump_bb_header): Move from tree-pretty-print.c
6159         (dump_bb_end): Likewise.
6160         (dump_phi_nodes): Likewise.
6161         (gimple_dump_bb_buff): New.
6162         (gimple_dump_bb): New.
6163         * Makefile.in (gimple-pretty-print.o): Add dependency
6164         value-prof.h
6165         * tree-cfg.c (fold_cond_expr_cond): Handle cases where
6166         fold_binary returns NULL.
6167         (make_cond_expr_edges): Take locus from the first statement of
6168         the destination blocks.
6169         (tree_dump_bb): Remove.
6170         (gimple_debug_bb): Rename from debug_tree_bb.
6171         Update all users.
6172         (gimple_debug_bb_n): Rename from debug_tree_bb_n.
6173         Update all users.
6174         (gimple_debug_cfg): Rename from debug_tree_cfg.
6175         Update all users.
6176         (gimple_dump_cfg): Rename from dump_tree_cfg.
6177         Update all users.
6178         (is_ctrl_altering_stmt): Call gimple_call_flags to determine
6179         whether the function is const/pure.
6180         * tree-ssa-operands.c (stmt_references_memory_p): Enable.
6181
6182 2007-09-11  Diego Novillo  <dnovillo@google.com>
6183
6184         * tree.h (struct tree_ssa_name): Add field def_stmt.
6185         (SSA_NAME_DEF_STMT): Return it.
6186         * tree-phinodes.c (create_phi_node): Return gimple.
6187         Update all callers.
6188         (add_phi_args): Change PHI argument to gimple.  Update all
6189         callers.
6190         (remove_phi_node): Call gimple_remove.
6191         (phi_reverse): Remove.  Update all users.
6192         * tree-ssa-alias-warnings.c: Disable.
6193         * input.h (IS_LOCATION_EMPTY): Fix comparison of LOCATION_LINE.
6194         * fold-const.c: Include gimple.h.
6195         (fold_undefer_overflow_warnings): Change type of argument STMT to
6196         gimple.  Update all users.
6197         * cfghooks.h (struct cfg_hooks)<can_merge_blocks_p>: Change
6198         arguments to basic_block.  Update all users.
6199         * tree-gimple.c (get_gimple_rhs_class): Change argument to
6200         enum tree_code.  Update all users.  Move calls to
6201         is_gimple_lvalue and is gimple_val...
6202         (is_gimple_formal_tmp_rhs): ... here.
6203         * tree-ssa-ccp.c (fold_stmt_r): Enable.
6204         (fold_stmt): Enable.
6205         (fold_stmt_inplace): Enable.  Adapt to tuples.
6206         * ipa-pure-const.c (analyze_function): Disable.
6207         * tree-ssa-propagate.c (get_rhs): Adapt to tuples.  Update all
6208         users.
6209         * gimple-dummy.c (ssa_operands_active): Remove dummy function.
6210         (remove_stmt_from_eh_region, create_phi_node, add_phi_arg,
6211         substitute_in_loop_info, release_defs, push_stmt_changes,
6212         pop_stmt_changes, replace_exp): Add dummy functions.
6213         * predict.c: Disable.
6214         * gimple-iterator.c: Include tm.h and tree-flow.h
6215         (gsi_delink): Remove.  Update all users.
6216         (update_modified_stmt): Move from tree-cfg.c.
6217         (gsi_insert_before): New.
6218         (gsi_insert_seq_before): New.
6219         (gsi_insert_after): New.
6220         (gsi_insert_seq_after): New.
6221         (gsi_for_stmt): New.
6222         (gsi_move_after): New.
6223         (gsi_move_before): New.
6224         (gsi_move_to_bb_end): New.
6225         * gimple-iterator.h (gsi_remove): New.
6226         * tree-eh.c (add_stmt_to_eh_region_fn): Add comment
6227         (add_stmt_to_eh_region): Likewise.
6228         (remove_stmt_from_eh_region_fn): Likewise.
6229         (remove_stmt_from_eh_region): Likewise.
6230         (lookup_stmt_eh_region_fn): Likewise.
6231         (lookup_stmt_eh_region): Likewise.
6232         (tree_could_throw_p): Likewise.
6233         (stmt_can_throw_internal): Likewise.
6234         (tree_can_throw_external): Likewise.
6235         * gimple-pretty-print.c (op_gimple_cond): Remove.  Update all
6236         users.
6237         * tree-affine.c (tree_to_aff_combination_expand): Disable.
6238         * tree-flow-inline.h (op_iter_init_vdef): Call gimple_code
6239         instead of TREE_CODE.
6240         * gimplify.c (gimplify_cond_expr): Use enum tree_code instead
6241         of enum gimple_cond as the subcode for GIMPLE_COND.
6242         Do not switch around the conditional when the then clause is empty.
6243         (tree_to_gimple_tuple): Remove.  Update all users.
6244         (gimplify_omp_for):
6245         (force_gimple_operand_gsi): Rename from force_gimple_operand_bsi.  Update all users.
6246         * tree-dfa.c (find_referenced_vars): Disable.
6247         (collect_dfa_stats): Likewise.
6248         (collect_dfa_stats_r): Likewise.
6249         * cfgexpand.c: Disable.
6250         * tree-mudflap.c: Disable.
6251         * print-tree.c: Include diagnostic.h.
6252         (print_node): Call print_gimple_stmt when printing SSA_NAMEs.
6253         * lambda-code.c: Disable.
6254         * tree-profile.c (tree_init_edge_profiler): Disable.
6255         (tree_gen_edge_profiler): Disable.
6256         * tree-flow.h (block_stmt_iterator): Remove.  Update all users.
6257         (const_block_stmt_iterator): Likewise.
6258         * Makefile.in (print-tree.o): Add dependency on $(DIAGNOSTIC_H).
6259         (gimple-iterator.o): Add dependency on $(TREE_FLOW_H) and
6260         value-prof.h.
6261         (gimple.o): Likewise.
6262         (fold-const.o): Add dependency on $(GIMPLE_H).
6263         * gimple.c: Include tm.h, hard-reg-set.h, basic-block.h,
6264         tree-flow.h and value-prof.h.
6265         (build_gimple_with_ops): Do not allocate operands if NUM_OPS == 0.
6266         (build_gimple_return): Remove argument RESULT_DECL_P.  Update
6267         all users.
6268         (build_gimple_cond): Use enum tree_code instead of enum
6269         gimple_cond as the subcode.  Update all users.
6270         (gimple_cond_invert): Remove.  Update all users.
6271         (walk_gimple_seq): Add arguments CALLBACK_STMT and
6272         CALLBACK_OP.  Update all users.
6273         (walk_gimple_asm): Likewise.
6274         (walk_gimple_stmt): Likewise.
6275         (gimple_remove): New.
6276         (gimple_seq_reverse): New.
6277         (set_gimple_bb): New.
6278         * gimple.h (gimple_statement_base): Split field 'flags' into
6279         fields 'subcode' and 'flags'.  Update all users.
6280         (gimple_statement_with_ops): Rename field 'base' to
6281         'gsbase'.  Update all users.
6282         (gimple_statement_omp): Likewise.
6283         (gimple_statement_bind): Likewise.
6284         (gimple_statement_catch): Likewise.
6285         (gimple_statement_eh_filter): Likewise.
6286         (gimple_statement_phi): Likewise.
6287         (gimple_statement_resx): Likewise.
6288         (gimple_statement_try): Likewise.
6289         (gimple_statement_omp_parallel): Likewise.
6290         (enum gimple_cond): Remove.  Update all users.
6291         (GIMPLE_NO_WARNING): Define.
6292         (set_gimple_flags): Assert that FLAGS fits in 8 bits.
6293         (add_gimple_flag): Likewise.
6294         (set_gimple_subcode): New.  Use instead of set_gimple_flags
6295         everywhere.
6296         (gimple_subcode): New.  Use instead of gimple_flags
6297         everywhere.
6298         (gimple_no_warning_p): New.
6299         (gimple_cond_set_code): New.
6300         (gimple_cond_make_false): New.
6301         (gimple_cond_make_true): New.
6302         (gimple_phi_num_args): Rename from gimple_phi_nargs.  Update
6303         all users.
6304         * tree-cfg.c (build_gimple_cfg): Return immediately.
6305         (set_bb_for_stmt): Remove.  Move functionality to
6306         set_gimple_bb.  Update all users.
6307         (factor_computed_gotos):
6308         (bsi_for_stmt): Remove.
6309         (bsi_insert_before): Remove.
6310         (bsi_insert_seq_before): Remove.
6311         (bsi_insert_after): Remove.
6312         (bsi_insert_seq_after): Remove.
6313         (bsi_remove): Remove.
6314         (bsi_move_after): Remove.
6315         (bsi_move_before): Remove.
6316         (bsi_move_to_bb_end): Remove.
6317         (bsi_replace): Remove.
6318         (tree_verify_flow_info): Adapt to tuples.
6319         (tree_make_forwarder_block): Likewise.
6320         (tree_try_redirect_by_replacing_jump): Likewise.
6321         (tree_redirect_edge_and_branch): Likewise.
6322         (tree_purge_dead_eh_edges): Likewise.
6323         (gimple_cfg_hooks): Enable some hooks.
6324         * tree-ssanames.c (make_ssa_name): Change type of STMT to
6325         gimple.  Update all users.
6326         * tree-ssa-operands.c (ssa_operands_active): Enable.
6327
6328 2007-08-31  Diego Novillo  <dnovillo@google.com>
6329
6330         * tree-gimple.c (is_gimple_addressable): Tidy.
6331         * Makefile.in (tree-ssa-structalias.o): Disable dependency on
6332         GTY header file.
6333         (tree-ssa-propagate.o): Likewise.
6334         (tree-phinodes.o): Likewise.
6335         (tree-scalar-evolution.o): Likewise.
6336         (tree-vect-generic.o): Likewise.
6337         * gimple.h (struct gimple_statement_phi): Change type of
6338         fields 'capacity' and 'nargs' to size_t.
6339         Update all users.
6340         * tree-cfg.c (verify_gimple_unary_expr): Remove.  Update all
6341         users.
6342         (verify_gimple_binary_expr): Remove.  Update all users.
6343         (verify_types_in_gimple_min_lval): Rename from
6344         verify_gimple_min_lval.
6345         (verify_types_in_gimple_reference): Rename from
6346         verify_gimple_reference.
6347         (verify_gimple_tree_expr): Remove.
6348         Move checks to verify_types_in_gimple_assign.
6349         (verify_types_in_gimple_call): Rename from verify_gimple_call.
6350         (verify_types_in_gimple_cond): Rename from verify_gimple_cond.
6351         (verify_types_in_gimple_assign): Rename from verify_gimple_assign.
6352         (verify_types_in_gimple_switch): Rename from verify_gimple_switch.
6353         (verify_types_in_gimple_phi): New.
6354         verify_types_in_gimple_return): Rename from
6355         verify_gimple_return.
6356         (verify_types_in_gimple_stmt): Rename from verify_gimple_stmt.
6357         (verify_types_in_gimple_seq): Rename from verify_gimple_seq.
6358
6359 2007-08-30  Chris Matthews  <chrismatthews@google.com>
6360             Diego Novillo  <dnovillo@google.com>
6361
6362         * gimplify.c (gimplify_body): Call verify_gimple_seq if
6363         ENABLE_TYPES_CHECKING is set.
6364         * gimple.h (is_gimple_omp): New.
6365         * tree-cfg.c (verify_gimple_tree_expr): Rename from
6366         verify_gimple_expr.
6367         Verify tree nodes that should disappear after conversion to
6368         GIMPLE.
6369         Do not handle COND_EXPR, CALL_EXPR.
6370         (verify_gimple_modify_stmt): Remove.
6371         (verify_gimple_call): New.
6372         (verify_gimple_cond): New.
6373         (verify_gimple_assign): New.
6374         (verify_gimple_return): New.
6375         (verify_gimple_switch): New.
6376         (verify_gimple_stmt):  Change input argument to type gimple.
6377         Call new verifiers.
6378         (verify_gimple_seq): Rename from verify_gimple_1.
6379
6380 2007-08-30  Diego Novillo  <dnovillo@google.com>
6381
6382         * gimple-low.c (gimple_try_catch_may_fallthru): Call
6383         gimple_code instead of gimple_flags.
6384         * gimple.c (set_gimple_body): Use gimple_seq instead of gimple
6385         when accessing vector gimple_bodies_vec.
6386         (gimple_body): Likewise.
6387         (gimple_assign_copy_p): New.
6388         * gimple.h (enum gimple_try_kind): New.
6389         (GIMPLE_TRY_CATCH): Move inside enum gimple_try_kind.
6390         (GIMPLE_TRY_FINALLY): Likewise.
6391         (gimple_assign_copy_p): Declare.
6392         (gimple_assign_rhs_code): New.
6393         Update callers that used to call gimple_flags.
6394         (gimple_cond_code): New.
6395         Update callers that used to call gimple_flags.
6396         (gimple_try_kind): New.
6397         (gimple_nop_p): Tidy comment.
6398         * gimple-pretty-print.c (dump_unary_rhs): New.
6399         (dump_gimple_assign): Call it.
6400
6401 2007-08-30  Diego Novillo  <dnovillo@google.com>
6402
6403         * gimplify.c (gimplify_cond_expr): When gimplifying a ?: call
6404         gimplify_stmt with the expression just built instead of the
6405         original expression.
6406         Use the correct labels when calling build_gimple_cond.
6407
6408
6409 2007-08-30  Diego Novillo  <dnovillo@google.com>
6410
6411         * tree-vrp.c: Disable.
6412         * tree-loop-linear.c: Disable.
6413         * tree-into-ssa.c: Disable.
6414         * tree-ssa-loop-im.c: Disable.
6415         * tree-complex.c: Disable.
6416         * cgraphbuild.c: Disable most functions.
6417         * tree-ssa-threadupdate.c: Disable.
6418         * tree-ssa-loop-niter.c: Disable.
6419         * tree-pretty-print.c: Disable.
6420         * tree-ssa-loop-unswitch.c: Disable.
6421         * tree-ssa-loop-manip.c: Disable.
6422         * value-prof.c: Disable.
6423         * tree-tailcall.c: Disable.
6424         * tree-ssa-loop-ch.c: Disable.
6425         * tree-scalar-evolution.c: Disable.
6426         * tree-phinodes.c: Disable.
6427         * omp-low.c: Disable.
6428         * tree-ssa-dse.c: Disable.
6429         * ipa-reference.c: Disable.
6430         * tree-ssa-uncprop.c: Disable.
6431         * tree-ssa-sccvn.c: Disable.
6432         * cgraphunit.c (verify_cgraph_node): Disable basic block traversal.
6433         * tree-ssa-copyrename.c: Disable.
6434         * tree-ssa-ccp.c: Disable most functions.
6435         * tree-ssa-loop-ivopts.c: Disable.
6436         * tree-stdarg.c: Disable.
6437         * tree-ssa-math-opts.c: Disable.
6438         * tree-ssa-dom.c: Disable most functions.
6439         * tree-nrv.c: Disable.
6440         * tree-ssa-propagate.c: Disable.
6441         * gimple-dummy.c: New file.
6442         * tree-ssa-alias.c: Disable most functions.
6443         * tree-ssa-sink.c: Disable.
6444         * expr.c (expand_expr_real): Disable call to
6445         lookup_stmt_eh_region.
6446         * tree-ssa-loop-ivcanon.c: Disable.
6447         * predict.c (strip_builtin_expect): Disable.
6448         (tree_predict_by_opcode): Disable.
6449         (return_prediction): Disable.
6450         (apply_return_prediction): Disable.
6451         (tree_bb_level_predictions): Disable.
6452         (tree_estimate_probability): Disable.
6453         (predict_paths_leading_to): Disable.
6454         * gimple-iterator.c (gsi_replace): Mark unused arguments with
6455         ATTRIBUTE_UNUSED.
6456         * tree-ssa-ifcombine.c: Disable.
6457         * matrix-reorg.c: Disable.
6458         * c-decl.c (c_gimple_diagnostics_recursively): Disable call to
6459         diagnose_omp_structured_block_errors.
6460         * tree-eh.c: Disable most functions.
6461         * tree-vectorizer.c: Disable.
6462         * tree-vectorizer.h (nested_in_vect_loop_p): Disable.
6463         * ipa-type-escape.c: Disable.
6464         * tree-if-conv.c: Disable.
6465         * profile.c: Disable.
6466         * tree-data-ref.c: Disable.
6467         * tree-flow-inline.h (bsi_start): Set bsi.gsi to NULL if the
6468         block is invalid.
6469         (bsi_last): Likewise.
6470         (op_iter_next_use): Disable call to PHI_ARG_DEF_PTR.
6471         * tree-vect-analyze.c: Disable.
6472         * gimplify.c (gimple_conditional_context): Disable.
6473         (gimple_push_cleanup): Disable.
6474         (gimplify_omp_parallel): Disable calls to
6475         push_gimplify_context and pop_gimplify_context.
6476         * tree-ssa-phiopt.c: Disable.
6477         * calls.c (emit_call_1): Disable calls to lookup_stmt_eh_region.
6478         (expand_call): Likewise.
6479         (emit_library_call_value_1): Initialize low_to_save and
6480         high_to_save.
6481         * tree-ssa-coalesce.c: Disable.
6482         * tree-dfa.c (make_rename_temp): Disable call to
6483         mark_sym_for_renaming.
6484         (find_new_referenced_vars_1): Likewise.
6485         (collect_dfa_stats): Disable CFG iteration.
6486         (collect_dfa_stats_r): Disable.
6487         (mark_symbols_for_renaming): Disable.
6488         * cfgexpand.c (maybe_dump_rtl_for_tree_stmt): Disable.
6489         (label_rtx_for_bb): Disable.
6490         (expand_gimple_cond_expr): Disable.
6491         (expand_gimple_tailcall): Disable.
6492         (expand_gimple_basic_block): Disable.
6493         * tree-cfgcleanup.c: Disable.
6494         * tree-ssa-pre.c: Disable.
6495         * tree-ssa-live.c: Disable.
6496         * tree-sra.c: Disable most functions..
6497         * tree-predcom.c: Disable.
6498         * tree-mudflap.c: Disable.
6499         * ipa-prop.c: Disable.
6500         * tree-ssa-copy.c (may_propagate_copy): Disable.
6501         (propagate_value): Disable.
6502         (execute_copy_prop): Disable.
6503         (do_copy_prop): Disable.
6504         (store_copy_prop): Disable.
6505         * tree-ssa-forwprop.c: Disable.
6506         * tree-ssa-dce.c: Disable.
6507         * tree-vect-patterns.c: Disable.
6508         * tree-ssa-ter.c: Disable.
6509         * tree-ssa.c: Disable.
6510         * lambda-code.c: Disable.
6511         * tree-ssa-loop-prefetch.c: Disable.
6512         * tree-inline.c: Disable most functions.
6513         * tree-optimize.c (execute_fixup_cfg_pre_ipa): Disable.
6514         (execute_fixup_cfg): Disable.
6515         (execute_cleanup_cfg_post_optimizing): Disable.
6516         (execute_fixup_cfg): Disable.
6517         * tree-vect-transform.c: Disable.
6518         * tree-object-size.c: Disable.
6519         * tree-outof-ssa.c: Disable.
6520         * cfgloop.c (find_subloop_latch_edge_by_profile): Disable.
6521         (find_subloop_latch_edge_by_ivs): Disable.
6522         * tree-profile.c: Disable most functions.
6523         * c-gimplify.c (add_block_to_enclosing): Disable.
6524         * tree-vect-generic.c: Disable.
6525         * tree-flow.h (struct function_ann_d): Disable field
6526         reference_vars_info.
6527         * Makefile.in: Force -Werror even during stage 1.
6528         (OBJS-common): Add gimple-dummy.o.
6529         (GTFILES): Remove tree-scalar-evolution.c,
6530         tree-ssa-propagate.c, tree-vect-generic.c,
6531         tree-ssa-structalias.h, tree-ssa-structalias.c,
6532         ipa-reference.h, omp-low.c, tree-phinodes.c, ipa-reference.c
6533         * tree-ssa-structalias.c: Disable.
6534         * tree-cfg.c: Disable most functions.
6535         * passes.c (finish_optimization_passes): Disable call to
6536         end_branch_prob.
6537         (init_optimization_passes): Disable the registration of
6538         several passes.
6539         (execute_function_todo): Disable calls to update_ssa and
6540         need_ssa_update_p.
6541         * tree-ssa-reassoc.c: Disable.
6542         * tree-ssanames.c: Disable.
6543         * tree-ssa-threadedge.c: Disable.
6544         * tree-ssa-operands.c: Disable.
6545
6546 2007-08-29  Aldy Hernandez  <aldyh@redhat.com>
6547
6548         * tree-ssa-operands.h (pop_stmt_changes, push_stmt_changes):
6549         Argument is gimple.
6550         (struct ssa_operand_iterator_d): Member phi_stmt is gimple.
6551         * value-prof.c (gimple_add_histogram_value): Adjust for tuples.
6552         (gimple_duplicate_stmt_histograms): Same.
6553         * value-prof.h (gimple_add_histogram_value): Same.
6554         (gimple_duplicate_stmt_histograms): Same.
6555         * tree-flow-inline.h (clear_and_done_ssa_iter): Same.
6556         (op_iter_init): Same.
6557         (op_iter_init_phiuse): Same.
6558         * tree-flow.h (stmt_references_memory_p): Same.
6559         * tree-cfg.c (tree_can_merge_blocks_p): Same.
6560         (remove_bb): Same.
6561         (find_taken_edge): Same.
6562         (tree_cfg2vcg): Same.
6563         (first_stmt): Same.
6564         (last_stmt): Same.
6565         (bsi_move_after): Same.
6566         (bsi_move_before): Same.
6567         (tree_find_edge_insert_loc): Same.
6568         Remove code handling a GIMPLE_MODIFY_STMT inside a RETURN_EXPR.
6569         (delete_tree_cfg_annotations): Remove code to remove annotations.
6570         * tree-ssa-operands.c (struct scb_d): Stmt_p is a gimple *.
6571         (push_stmt_changes): Adjust for tuples.
6572         (mark_difference_for_renaming): Same.
6573         (pop_stmt_changes): Same.
6574         (stmt_references_memory_p): Same.
6575
6576 2007-08-29  Aldy Hernandez  <aldyh@redhat.com>
6577
6578         * tree-ssa-operands.h: Remove DEF_OPS, USE_OPS, VUSE_OPS,
6579         VDEF_OPS, LOADED_SYMS, STORED_SYMS.
6580         * tree-pretty-print.c (dump_generic_node): Adjust accordingly.
6581         (dump_vops): use gimple_v*_ops.  Adjust accordingly.
6582         * gimple.def: Add to comment.
6583         * tree-ssa-alias.c (create_structure_vars): Adjust for tuples.
6584         * tree-flow-inline.h (op_iter_init): Make stmt gimple.  Use
6585         gimple_*_ops functions.
6586         (op_iter_init_use): Make stmt gimple.
6587         (op_iter_init_def): Same.
6588         (op_iter_init_vdef): Same.
6589         (single_ssa_tree_operand): Same.
6590         (single_ssa_use_operand): Same.
6591         (single_ssa_def_operand): Same.
6592         (zero_ssa_operands): Same.
6593         (num_ssa_operands): Same.
6594         (compare_ssa_operands_equal): Make stmt[12] gimple.
6595         (link_use_stmts_after): Adjust for tuples.
6596         * tree-ssa-structalias.c (update_alias_info): Use
6597         gimple_stored_syms and gimple_loaded_syms.
6598         * gimple.h (gimple_has_mem_ops): New.
6599         (gimple_def_ops): New.
6600         (set_gimple_def_ops): New.
6601         (gimple_use_ops): New.
6602         (set_gimple_use_ops): New.
6603         (gimple_vuse_ops): New.
6604         (set_gimple_vuse_ops): New.
6605         (gimple_vdef_ops): New.
6606         (set_gimple_vdef_ops): New.
6607         (gimple_loaded_syms): New.
6608         (gimple_stored_syms): New.
6609         * tree-ssa-operands.c (finalize_ssa_defs): Adjust for tuples.
6610         (copy_virtual_operands): Same.
6611         (swap_tree_operands): Same.
6612
6613 2007-08-28  Aldy Hernandez  <aldyh@redhat.com>
6614
6615         * Revert the parts of Kaveh's constification patch.that duplicate
6616         API calls.
6617
6618 2007-08-27  Diego Novillo  <dnovillo@google.com>
6619
6620         Merge with mainline @127831.
6621
6622         * configure.ac (ACX_PKGVERSION): Update revision merge string.
6623         * configure: Regenerate.
6624
6625 2007-08-25  Diego Novillo  <dnovillo@google.com>
6626
6627         * tree.c (build_gimple_modify_stmt_stat): Add depecrate note.
6628         * omp-low.c (scan_omp_1): Disable.
6629         (scan_omp): Likewise.
6630         (lower_omp_for): Likewise.
6631         (lower_omp_parallel): Likewise.
6632         (lower_omp_1): Likewise.
6633         (lower_omp): Likewise.
6634         (diagnose_sb_1): Likewise.
6635         (diagnose_sb_2): Likewise.
6636         (diagnose_omp_structured_block_errors): Likewise.
6637         * tree-gimple.h (_TREE_GIMPLE_H): Rename from _TREE_SIMPLE_H.
6638         (gimplify_body): Return the new GIMPLE body.
6639         (struct walk_stmt_info): Move to gimple.h.
6640         * gimple-low.c (lower_function_body): Assert that the function
6641         body is a single GIMPLE_BIND statement.
6642         Create a new gimple sequence to lower the existing body.
6643         Replace the function body with the new lowered sequence.
6644         (pass_lower_cf): Enable GIMPLE lowering.
6645         (lower_omp_directive): Disable.
6646         (lower_stmt): Do not call lower_omp_directive.
6647         (gimple_stmt_may_fallthru): Factor out of ...
6648         (gimple_seq_may_fallthru): ... here.
6649         * gimple-iterator.c (gsi_replace): New.
6650         * gimple-iterator.h (gsi_replace): Declare.
6651         * gimple-pretty-print.c: Do not include gimple-iterator.h
6652         * gimplify.c (gimplify_asm_expr): Tidy.
6653         Store the whole TREE_LIST node in the inputs and outputs vectors.
6654         (gimple_push_cleanup): Disable completely.
6655         (gimplify_body): Return a GIMPLE_BIND holding the gimplified
6656         body.
6657         Update all users.
6658         (gimplify_function_tree): Create a GIMPLE sequence to hold
6659         the gimplified body.
6660         * tree-flow.h (gimple_stmt_may_fallthru): Declare.
6661         * Makefile.in (GIMPLE_H): Add gimple-iterator.h.
6662
6663 2007-08-25  Diego Novillo  <dnovillo@google.com>
6664
6665         * tree-nested.c: Re-implement to use GIMPLE tuples.
6666         (init_tmp_var_with_call): New.
6667         (init_tmp_var): Adapt to GIMPLE tuples.
6668         (save_tmp_var): Likewise.
6669         (convert_nl_goto_receiver): Likewise.
6670         (finalize_nesting_tree_1): Likewise.
6671         (gsi_gimplify_val): Likewise.
6672         Rename from tsi_gimplify_val.  Update all users.
6673         (walk_asm_expr): Remove.
6674         (walk_stmts): Remove.
6675         (walk_body): Call walk_gimple_seq.
6676         Add new argument callback_op.  Update all users.
6677         (walk_function): Add argument callback_op.  Update all users.
6678         (convert_nonlocal_reference_op): Rename from
6679         convert_nonlocal_omp_reference.  Update all users.
6680         (convert_nonlocal_reference_stmt): New.  Handle GIMPLE
6681         statements that used to be tree nodes.
6682         (convert_local_reference_op): Rename from
6683         convert_local_reference.  Update all users.
6684         (convert_local_reference_stmt): New.  Handle GIMPLE statements
6685         that used to be tree nodes.
6686         (convert_nl_goto_reference): Convert to walk_stmt_fn callback.
6687         Update all users.
6688         (convert_tramp_reference_op): Rename from
6689         convert_tramp_reference.  Update all users.
6690         (convert_tramp_reference_stmt): New.  Handle GIMPLE statements
6691         that used to be tree nodes.
6692         (convert_gimple_call): Rename from convert_call_expr.  Convert
6693         to be a walk_stmt_fn callback.
6694         * gimple.c (gimple_seq_add): Rename from gimple_add.  Update
6695         all users.
6696         (walk_gimple_seq): Rename from walk_seq_ops.  Update all
6697         users.
6698         (walk_gimple_stmt): Rename from walk_tuple_ops.  Update all
6699         users.
6700         Use two callback functions one for statements and another for
6701         operands.  If either is NULL do not invoke it.
6702         Allow callbacks to replace operands.
6703         (WALKIT): Remove.
6704         (walk_gimple_asm): New.
6705         * gimple.h: Include ggc.h
6706         (gimple_seq_alloc): New.  Use everywhere a GIMPLE sequence is
6707         allocated.
6708         (gimple_op_ptr): New.
6709         (gimple_call_arg_ptr): New.
6710         (gimple_catch_types_ptr): New.
6711         (gimple_eh_filter_types_ptr): New.
6712         (gimple_omp_critical_name_ptr): New.
6713         (gimple_omp_for_clauses_ptr): New.
6714         (gimple_omp_for_index_ptr): New.
6715         (gimple_omp_for_initial_ptr): New.
6716         (gimple_omp_for_final_ptr): New.
6717         (gimple_omp_for_incr_ptr): New.
6718         (gimple_omp_parallel_clauses_ptr): New.
6719         (gimple_omp_parallel_child_fn_ptr): New.
6720         (gimple_omp_parallel_data_arg_ptr): New.
6721         (gimple_omp_single_clauses_ptr): New.
6722         (gimple_omp_sections_clauses_ptr): New.
6723         (walk_stmt_fn): New type.
6724         (struct walk_stmt_info): Move from tree-gimple.h.
6725         Rename field callback to callback_op.
6726         Add new field callback_stmt.
6727         Replace field tsi with gsi of type gimple_stmt_iterator.
6728         (walk_gimple_seq): Declare.
6729         (walk_gimple_stmt): Declare.
6730         * tree-cfg.c (execute_build_cfg): Do not call
6731         build_gimple_cfg.
6732         (pass_build_cfg): Enable.
6733         Disable TODO_verify_stmts and TODO_cleanup_cfg.
6734
6735 2007-08-22  Aldy Hernandez  <aldyh@redhat.com>
6736
6737         * tree-phinodes.c (reserve_phi_args_for_new_edge): Comment out
6738         call to phi_nodes_ptr.
6739         (remove_phi_node): Same.
6740         * tree-flow-inline.h (get_lineno): Work with empty statements or
6741         empty locations.
6742         (phi_nodes_ptr): Remove.
6743         (phi_arg_index_from_use): Adjust for tuples.
6744         (bsi_stmt_ptr): Add ATTRIBUTE_UNUSED.
6745         (op_iter_init): Remove assertion.
6746         (next_imm_use_stmt): Change NULL_TREE to NULL.
6747         * tree-dfa.c (mark_symbols_for_renaming): Adjust for tuples.
6748         * tree-flow.h: Remove bb_for_stmt prototype.
6749         (mark_symbols_for_renaming): Make argument gimple.
6750
6751 2007-08-22  Aldy Hernandez  <aldyh@redhat.com>
6752
6753         Change all instances of bb_for_stmt to gimple_bb throughout.
6754
6755         * gimple.h (gimple_omp_parallel_combined_p): New.
6756         * tree-ssa-operands.h (update_stmt_operands): Argument is now
6757         gimple.
6758         * tree-ssa-threadupdate.c (rederiction_block_p): Use gimple_nop_p
6759         instead of IS_EMPTY_STMT.
6760         * tree-ssa-loop-niter.c: Disable use of COND_EXPR_COND.
6761         * tree-pretty-print.c (dump_bb_header): Adjust for tuples.
6762         * cgraph.c (cgraph_add_new_function): Rename
6763         tree_register_cfg_hooks to gimple_register_cfg_hooks.
6764         * value-prof.c (set_histogram_value): Stmt type is now gimple.
6765         (gimple_histogram_value): Same.
6766         (gimple_remove_histogram_value): Same.
6767         (gimple_remove_stmt_histograms): Same.
6768         * tree.h (struct ssa_use_operand_d): Same.
6769         * value-prof.h (struct histogram_value_t): Same.
6770         Change gimple_*histogram* prototypes to use gimple instead of
6771         tree.
6772         * ipa-cp.c (ipcp_insert_stage): Rename tree_register_cfg_hooks to
6773         gimple_register_cfg_hooks.
6774         * cfghooks.c (gimple_register_cfg_hooks): Rename from
6775         tree_register_cfg_hooks.  Initialize cfg_hooks to gimple_cfg_hooks.
6776         (current_ir_type): Rename tree_cfg_hooks to gimple_cfg_hooks.
6777         * input.h (IS_LOCATION_EMPTY): New.
6778         * cfghooks.h: Rename tree_cfg_hooks to gimple_cfg_hooks.  Rename
6779         tree_register_cfg_hooks to gimple_register_cfg_hooks.
6780         * omp-low.c (determine_parallel_type): Adjust for tuples.
6781         (expand_omp_parallel): Rename bb_stmt_list to bb_seq.
6782         (expand_omp_for_generic): Call gimple_omp_return_nowait_p.
6783         (expand_omp_for_static_nochunk): Same.
6784         (expand_omp_sections): Call gimple_omp_section_last_p.
6785         (expand_omp_single): Comment out call to find_omp_clause.
6786         Call gimple_omp_return_nowait_p.
6787         * cgraphunit.c: Rename tree_register_cfg_hooks to
6788         gimple_register_cfg_hooks.
6789         * tree-ssa-propagate.c: Comment out non working code.
6790         * matrix-reorg.c (matrix_reorg): Rename tree_register_cfg_hooks to
6791         gimple_register_cfg_hooks.
6792         * tree-eh.c (add_stmt_to_eh_region_fn): Change `t' type to gimple.
6793         Adjust accordingly.
6794         (add_stmt_to_eh_region): Same.
6795         (remove_stmt_from_eh_region_fn): Same.
6796         (remove_stmt_from_eh_region): Same.
6797         (lookup_stmt_eh_region_fn): Same.
6798         (lookup_stmt_eh_region): Same.
6799         (make_eh_edges): Adjust for tuples.
6800         (stmt_can_throw_internal): Rename from tree_can_throw_internal.
6801         Adjust for tuples.
6802         (maybe_clean_or_replace_eh_stmt): Arg types are now gimple.
6803         * tree-vectorizer.c: Rename tree_register_cfg_hooks to
6804         gimple_register_cfg_hooks.
6805         * tree-if-conv.c (combine_blocks): Adjust for tuples.
6806         * profile.c (branch_prob): Same.
6807         * tree-flow-inline.h (bb_for_stmt): Remove.
6808         (get_lineno): Adjust for tuples.
6809         (noreturn_call_p): Same.
6810         (mark_stmt_modified): Same.
6811         (update_stmt): Same.
6812         (update_stmt_if_modified): Same.
6813         (stmt_modified_p): Same.
6814         (link_imm_use_stmt): Same.
6815         (relink_imm_use_stmt): Same.
6816         (single_imm_use): Same.
6817         (gimple_phi_arg_def): New.
6818         (gimple_phi_arg_edge): New.
6819         (phi_nodes): Adjust for tuples.
6820         (phi_nodes_ptr): Same.
6821         (set_phi_nodes): Same.
6822         (bb_seq): Rename from bb_stmt_list and adjust for tuples.
6823         (set_bb_seq): Rename from set_bb_stmt_list and adjust for tuples.
6824         (bsi_start): Adjust for tuples.
6825         (bsi_after_labels): Adjust for tuples.
6826         (bsi_last): Same.
6827         (bsi_next): Same.
6828         (bsi_prev): Same.
6829         (bsi_stmt): Same.
6830         (bsi_stmt_ptr): Same.
6831         (loop_containing_stmt): Same.
6832         (delink_stmt_imm_use): Same.
6833         (first_imm_use_stmt): Same.
6834         (next_imm_use_stmt): Same.
6835         * gimplify.c (force_gimple_operand_bsi): Same.
6836         * coretypes.h (const_gimple): New.
6837         * tree-ssa-phiopt.c (empty_block_p): Call gimple_nop_p.
6838         (conditional_replacement): Comment out COND_EXPR_COND.
6839         (value_replacement): Comment out COND_EXPR_COND.
6840         (minmax_replacement): Same.
6841         (abs_replacement): Same.
6842         * except.h (*eh_region*): Change trees to gimple.
6843         (struct throw_stmt_node): Change stmt type to gimple.
6844         * cfgexpand.c (label_rtx_for_bb): Adjust for tuples.
6845         (expand_gimple_cond_expr): Same.
6846         (expand_gimple_basic_block): Same.
6847         * tree-cfgcleanup.c (split_bbs_on_noreturn_calls): Same.
6848         * tree-ssa-pre.c (realify_fake_stores): Comment out non working
6849         code.
6850         * tree-ssa-forwprop.c (propagate_with_phi): Rename
6851         tree_can_throw_internal stmt_can_throw_internal.
6852         * tree-inline.c (copy_edges_for_bb): Rename
6853         tree_can_throw_internal to stmt_can_throw_internal.
6854         (initialize_cfun): Same.
6855         (copy_cfg_body): Same.
6856         (gimple_expand_calls_inline): Same.
6857         (make_nonlocal_label_edges): Rename tree_can_make_abnormal_goto to
6858         stmt_can_make_abnormal_goto.
6859         * tree-optimize.c (tree_lowering_passes): Rename
6860         tree_register_cfg_hooks to gimple_register_cfg_hooks.
6861         (tree_rest_of_compilation): Same.
6862         * tree-flow.h (struct gimple_df): Make modified_noreturn_calls a
6863         vector of gimple types.
6864         Adjust prototypes for tuples.
6865         (struct block_stmt_iterator): Make iterator a gimple iterator.
6866         (enum bsi_iterator_update): Remove BSI_CHAIN_START and
6867         BSI_CHAIN_END.
6868         * Makefile.in (tree-cfg.o): Depend on GIMPLE_H.
6869         (GTFILES): Move gimple.[hc] entries before tree-flow.h.
6870         * basic-block.h (struct edge_def): Make goto_locus of type
6871         location_t.
6872         (union basic_block_il_dependent): Adjust for tuples.
6873         (gimple_bb_info): Rename from tree_bb_info.  Adjust for tuples.
6874         * tree-cfg.c: Include gimple.h.
6875         Adjust prototypes for tuples.
6876         (build_gimple_cfg): Rename from build_tree_cfg.  Adjust for
6877         tuples.
6878         (execute_build_cfg): Rename build_tree_cfg call to
6879         build_gimple_cfg.
6880         (factor_computed_gotos): Adjust for tuples.
6881         (make_blocks): Same.
6882         (create_bb): Same.
6883         (fold_cond_expr_cond): Same.
6884         (make_edges): Same.
6885         (make_cond_expr_edges): Same.
6886         (make_switch_expr_edges): Same.
6887         (make_goto_expr_edges): Same.
6888         (cleanup_dead_labels): Same.
6889         (group_case_labels): Same.
6890         (tree_can_merge_blocks_p): Same.
6891         (replace_uses_by): Same.
6892         (tree_merge_blocks): Same.
6893         (is_ctrl): Same.
6894         (is_ctrl_altering_stmt): Same.
6895         (computed_goto_p): Same.
6896         (simple_goto_p): Same.
6897         (stmt_can_make_abnormal_goto): Rename from
6898         tree_can_make_abnormal_goto.
6899         Adjust for tuples.
6900         (stmt_starts_bb_p): Adjust for tuples.
6901         (stmt_ends_bb_p): Same.
6902         (first_stmt): Same.
6903         (last_stmt): Same.
6904         (last_and_only_stmt): Same.
6905         (set_bb_for_stmt): Same.
6906         (change_bb_for_stmt): Same.
6907         (bsi_for_stmt): Same.
6908         (update_modified_stmt): Rename from update_modified_stmts.
6909         Adjust for tuples.
6910         Handle only one statement.
6911         (bsi_insert_before): Adjust for tuples.
6912         (bsi_insert_after): Same.
6913         (bsi_insert_seq_before): New.
6914         (bsi_insert_seq_after): New.
6915         (bsi_remove): Ajust for tuples.
6916         (bsi_replace): Same.
6917         (verify_stmt): Same.
6918         (gimple_split_block): Rename from tree_split_block.
6919         Adjust for tuples.
6920         (tree_purge_dead_abnormal_call_edges): Adjust for tuples.
6921         (tree_cfg_hooks): Same.
6922         * tree-ssa-operands.c (update_stmt_operands): Same.
6923
6924 2007-08-22  Aldy Hernandez  <aldyh@redhat.com>
6925
6926         * Makefile.in (TREE_GIMPLE_H): Depend on GIMPLE_H.
6927         * gimple-iterator.h: Do not include gimple.h.
6928         * gimple.h (OMP_SECTION_LAST_FLAG): New.
6929         (gimple_omp_return_nowait_p): New.
6930         (gimple_omp_section_last_p): New.
6931         (gimple_switch_set_num_labels): New.
6932         (gimple_nop_p): New.
6933
6934 2007-08-17  Aldy Hernandez  <aldyh@redhat.com>
6935
6936         Revert this change:
6937
6938         2007-08-14  Aldy Hernandez  <aldyh@redhat.com>
6939
6940         * gimple.c (gimple_call_flags): Make sure this is a GIMPLE_CALL.
6941
6942 2007-08-14  Aldy Hernandez  <aldyh@redhat.com>
6943
6944         * gimple-iterator.c (gsi_split_seq_after): New.
6945         (gsi_split_seq_before): New.
6946         * gimple-iterator.h: Prototype above two functions.
6947
6948 2007-08-14  Aldy Hernandez  <aldyh@redhat.com>
6949
6950         * gimple.h (gimple_has_ops): New.
6951         (gimple_modified): New.
6952         (set_gimple_modified): New.
6953         (gimple_switch_default_label): Call gimple_switch_label.
6954         (gimple_switch_set_default_label): Call gimple_switch_set_label.
6955
6956 2007-08-14  Aldy Hernandez  <aldyh@redhat.com>
6957
6958         * gimple.c (gimple_call_flags): Make sure this is a GIMPLE_CALL.
6959
6960 2007-08-14  Diego Novillo  <dnovillo@google.com>
6961
6962         Merge with mainline @127480.
6963
6964         * version.c (VERSUFFIX): Update.
6965
6966 2007-08-09  Diego Novillo  <dnovillo@google.com>
6967
6968         * gimple-low.c: Document conversion to Low GIMPLE.
6969         * Makefile.in (gimple.o): Add dependency on gt-gimple.h
6970         (GTFILES): Add gimple.c.
6971         * gimple.c (gimple_bodies_vec): New.
6972         (gimple_bodies_map): Rename from gimple_bodies.
6973         (gss_for_code): Return GSS_ASM for GIMPLE_ASM.
6974         (walk_tuple_ops): Handle GSS_ASM like GSS_WITH_OPS.
6975         (set_gimple_body): Push body into gimple_bodies_vec and create
6976         a mapping to array index in gimple_bodies_map.
6977         (gimple_body): Corresponding changes to use gimple_bodies_map
6978         and gimple_bodies_vec.
6979         * gimple.h: Create VEC templates for gimple_seq.
6980
6981 2007-08-08  Aldy Hernandez  <aldy@quesejoda.com>
6982
6983         * gimple-low.c (struct return_statements_t): Declare.
6984         (struct lower_data): Make return_statements a vector.
6985         (lower_function_body): Adjust for tuples.
6986         (pass_lower_cf): Add PROP_gimple_any to properties_required.
6987         (lower_sequence): Rename from lower_stmt_body.
6988         Adjust for tuples.
6989         (lower_omp_directive): Adjust for tuples.
6990         (lower_stmt): Same.
6991         (lower_gimple_bind): Rename from lower_bind_expr.
6992         Adjust for tuples.
6993         (gimple_try_catch_may_fallthru): New.
6994         (gimple_seq_may_fallthru): New.
6995         (lower_gimple_return): Rename from lower_return_expr and adjust
6996         for tuples.
6997         (lower_builtin_setjmp): Adjust for tuples.
6998         * gimple-iterator.c: New.
6999         * gimple-iterator.h: Include gimple.h.
7000         (enum gsi_iterator_update): Declare.
7001         (gsi_link_seq_before): New prototype.
7002         (gsi_link_before): Same.
7003         (gsi_link_seq_after): Same.
7004         (gsi_link_after): Same.
7005         (gsi_delink): Same.
7006         * gimplify.c (gimplify_body): Comment out verify_gimple_1 call.
7007         * tree-flow.h (gimple_seq_may_fallthru): New prototype.
7008         * Makefile.in (OBJS-common): Add gimple-iterator.o.
7009         (gimple-iterator.o): New.
7010         (gimple-pretty-print.o): Do not depend on gimple-iterator.h.
7011         * gimple.c (set_gimple_prev): Move to gimple.h.
7012         (set_gimple_next): Same.
7013         (gimple_call_flags): New.
7014         * gimple.h (struct gimple_sequence): Add GTY marker.
7015         (struct gimple_statement_bind): Add block field.
7016         (set_gimple_prev): New.
7017         (set_gimple_next): New.
7018         (gimple_call_flags): Protoize.
7019         (gimple_call_fndecl): New.
7020         (gimple_bind_block): New.
7021         (gimple_bind_set_block): New.
7022
7023
7024 2007-08-08  Diego Novillo  <dnovillo@google.com>
7025
7026         * gimple.h (GIMPLE_CHECK, GIMPLE_CHECK2, GIMPLE_RANGE_CHECK):
7027         Do not return the checked statement.  Update all users.
7028         Enable on compilers other than GCC.
7029
7030 2007-08-07  Chris Matthews  <chrismatthews@google.com>
7031
7032         * gimple_iterator.h (gsi_start): Changed to produce a pointer instead of
7033         struct.  Updated clients.
7034         (gsi_last): Same.
7035         (gsi_end_p): Changed to operate on a pointer instead of struct.  Updated
7036         clients.
7037         (gsi_one_before_end_p): Same.
7038         (gsi_next): Same.
7039         (gsi_prev): Same.
7040         (gsi_stmt): Same.
7041
7042 2007-08-07  Diego Novillo  <dnovillo@google.com>
7043
7044         Merge with mainline @127277.
7045
7046         * version.c (VERSUFFIX): Update.
7047
7048 2007-08-07  Diego Novillo  <dnovillo@google.com>
7049
7050         * gimple.h (gimple_call_return): New.
7051         * gimplify.c (get_tmp_var_for): Call it.
7052
7053 2007-08-02  Chris Matthews  <chrismatthews@google.com>
7054
7055         * gimplify.c (gimplify_asm_expr): Created new gimple tuple.
7056         * gimple-pretty-printer.c (dump_gimple_asm): Added function to dump a
7057         GIMPLE_ASM statement.
7058         (dump_gimple_stmt): Updated to use the dump_gimple_asm function.
7059         * gimple.c (gss_for_code): Made asm statements return as with_mem_ops.
7060         (build_gimple_with_ops): Asm statements are added as a specal case for
7061         allocation because they have extra fields that are not
7062         allocated correctly in the current generic op allocator.
7063         (build_gimple_asm_1): Added a helper function to setup the basics of a
7064         GIMPLE_ASM tuple.
7065         (build_gimple_asm_vec): Create a GIMPLE_ASM tuple from vector arguments.
7066         (build_gimple_asm): Changed to call the new helper function.
7067
7068 2007-08-03  Diego Novillo  <dnovillo@google.com>
7069
7070         * gimple-pretty-print.c (INDENT): Tidy.
7071         (dump_binary_rhs): New.
7072         (dump_gimple_assign): Call it.
7073         * gimplify.c (gimplify_modify_expr_complex_part): If the value
7074         is not interesting, nullify *EXPR_P.
7075         (gimplify_body): Do not add the sequence to the GIMPLE_BIND more
7076         than once.
7077
7078 2007-08-01  Diego Novillo  <dnovillo@google.com>
7079
7080         * gimplify.c (gimplify_switch_expr): Remove switch_body_seq_.
7081         Change switch_body_seq to struct gimple_sequence.
7082         Adjust all uses.
7083         Call gimplify_stmt instead of gimplify_statement_list
7084         (gimplify_to_stmt_list): Remove.
7085         Update all users.
7086         * tree-mudflap.c: Include gimple.h
7087         (mf_decl_cache_locals): Convert to emit GIMPLE.
7088         (mf_build_check_statement_for): Add FIXME and unreachable
7089         markers to convert to GIMPLE.
7090         * Makefile.in (tree-mudflap.o): Depend on $(GIMPLE_H).
7091         * config/i386/i386.c (ix86_gimplify_va_arg): Adapt to emit
7092         GIMPLE.
7093
7094 2007-08-01  Diego Novillo  <dnovillo@google.com>
7095
7096         * gimplify.c (gimplify_switch_expr): Do not call sort_case_labels
7097         if there are no labels other than 'default'.
7098         * gimple.h (gimple_num_ops, gimple_op, gimple_set_op): Use
7099         result of GIMPLE_RANGE_CHECK call.
7100
7101 2007-08-01  Diego Novillo  <dnovillo@google.com>
7102
7103         * DEV-PHASE: Revert to mainline version.
7104         * version.c (VERSUFFIX): Add branch name and revision number
7105         of latest mainline merge.
7106
7107 2007-07-31  Diego Novillo  <dnovillo@google.com>
7108
7109         Mainline merge (@127100).
7110         * DEV-PHASE: Updated.
7111
7112 2007-07-31  Diego Novillo  <dnovillo@google.com>
7113
7114         * dominance.c (free_dominance_info): If there is no CFG,
7115         do nothing.
7116         * cfg.c (compact_blocks): Likewise.
7117
7118 2007-07-30  Diego Novillo  <dnovillo@google.com>
7119
7120         * gimplify.c (get_tmp_var_for): When creating a new temporary
7121         for a GIMPLE_CALL, use the type returned by the function call
7122         instead of the type of the function decl.
7123         * gimple.c (build_gimple_return): Accept NULL and RESULT_DECL
7124         return values.
7125
7126 2007-07-30  Diego Novillo  <dnovillo@google.com>
7127
7128         * gimplify.c (gimplify_init_constructor): If both sides
7129         of the constructor are in GIMPLE form but the assignment
7130         has not been emitted, emit it.
7131
7132 2007-07-28  Diego Novillo  <dnovillo@google.com>
7133
7134         * gimplify.c (gimplify_return_expr): Do not create a MODIFY_EXPR
7135         as return argument
7136         * gimple.c (build_gimple_return): Assert that the returned value
7137         is a GIMPLE value.
7138
7139 2007-07-27  Diego Novillo  <dnovillo@google.com>
7140
7141         * tree-gimple.c (get_gimple_rhs_class): New.
7142         (is_gimple_formal_tmp_rhs): Call it.
7143         * tree-gimple.h (enum gimple_rhs_class): New.
7144         * gimple-iterator.h (gsi_next): Assert that there is nothing
7145         beyond the end of the sequence.
7146         (gsi_prev): Assert that there is nothing before the start of
7147         the sequence.
7148         * gimplify.c (gimplify_switch_expr): Tidy creation of default label.
7149         (gimplify_expr): Fix concatenation of internal sequences to PRE_P.
7150         * gimple.c (get_num_ops_for): Remove.  Update users.
7151         (build_gimple_assign): Call get_gimple_rhs_class to determine
7152         how many operands to allocate.
7153         (gimple_add): Assert that GS does not have previous or next
7154         statements.
7155         (gimple_seq_append): Move from gimple.h.
7156
7157 2007-07-27  Aldy Hernandez  <aldy@quesejoda.com>
7158
7159         * cgraph.c: Fix line wrap.
7160         * cgraph.h: Same.
7161         * tree-pass.h (struct tree_opt_pass): Add works_with_tuples_p
7162         field.
7163         * cgraphunit.c (cgraph_analyze_functions): Remove check for
7164         DECL_SAVED_TREE.
7165         (cgraph_expand_function): Comment out TREE_ASM_WRITTEN assertion.
7166         * tree-optimize.c (tree_lowering_passes): Comment out call to
7167         compact_blocks.
7168         * passes.c (execute_one_pass): Return if pass has not been
7169         converted to tuples.
7170         * tree-vrp.c, regrename.c, fwprop.c, tree-into-ssa.c,
7171         tree-complex.c, see.c, cgraphbuild.c, tracer.c, cgraph.c,
7172         postreload-gcse.c, postreload.c, tree-ssa-loop-ch.c,
7173         tree-tailcall.c, tree-pass.h, ipa-cp.c, final.c, omp-low.c,
7174         tree-ssa-dse.c, ipa-reference.c, tree-ssa-uncprop.c,
7175         auto-inc-dec.c, reorg.c, tree-ssa-copyrename.c, tree-ssa-ccp.c,
7176         df-core.c, mode-switching.c, tree-nomudflap.c, modulo-sched.c,
7177         ipa-pure-const.c, cse.c, web.c, tree-stdarg.c,
7178         tree-ssa-math-opts.c, tree-ssa-dom.c, tree-nrv.c,
7179         tree-ssa-alias.c, loop-init.c, gimple-low.c, tree-ssa-sink.c,
7180         ipa-inline.c, global.c, jump.c, ifcvt.c, predict.c,
7181         tree-ssa-loop.c, recog.c, dse.c, tree-ssa-ifcombine.c,
7182         matrix-reorg.c, c-decl.c, tree-eh.c, regmove.c, local-alloc.c,
7183         function.c, tree-vectorizer.c, gcse.c, ipa-type-escape.c,
7184         tree-if-conv.c, init-regs.c, ipa.c, tree-ssa-phiopt.c,
7185         rtl-factoring.c, lower-subreg.c, bt-load.c, tree-dfa.c except.c,
7186         emit-rtl.c, cfgexpand.c, tree-cfgcleanup.c, cfgcleanup.c,
7187         tree-ssa-pre.c, tree-sra.c, tree-mudflap.c, tree-ssa-copy.c,
7188         cfglayout.c, tree-ssa-forwprop.c, tree-ssa-dce.c, tree-ssa.c,
7189         regclass.c, integrate.c, tree-optimize.c, tree-object-size.c,
7190         combine.c, tree-outof-ssa.c, bb-reorder.c, stack-ptr-mod.c,
7191         var-tracking.c, tree-profile.c, tree-vect-generic.c, reg-stack.c,
7192         sched-rgn.c, tree-ssa-structalias.c, tree-cfg.c, passes.c,
7193         tree-ssa-reassoc.c, combine-stack-adj.c, cfgrtl.c, dce.c,
7194         tree-ssanames.c: Set works_with_tuples_p field to 0.
7195
7196 2007-07-25  Diego Novillo  <dnovillo@google.com>
7197
7198         * gimple.c: Use ENABLE_GIMPLE_CHECKING instead of
7199         ENABLE_TREE_CHECKING.
7200         (set_gimple_code): New.
7201         (set_gimple_prev): New.
7202         (set_gimple_next): New.
7203         * gimple.h: Use ENABLE_GIMPLE_CHECKING instead of
7204         ENABLE_TREE_CHECKING.
7205         (gimple_code): Inline function replacement for GIMPLE_CODE.
7206         (gimple_flags): Inline function replacement for GIMPLE_SUBCODE_FLAGS.
7207         (gimple_next): Inline function replacement for GIMPLE_NEXT.
7208         (gimple_prev): Inline function replacement for GIMPLE_PREV.
7209         (gimple_locus): Inline function replacement for GIMPLE_LOCUS.
7210         (gimple_locus_empty_p): Inline function replacement for
7211         GIMPLE_LOCUS_EMPTY_P.
7212         (struct gimple_statement_base): Rename field 'subcode_flags'
7213         to 'flags'.
7214         (set_gimple_flags): New.
7215         (gimple_bb): New.
7216         (set_gimple_bb): New.
7217         (set_gimple_block): New.
7218         (set_gimple_locus): New.
7219         (add_gimple_flag): Rename from gimple_add_subcode_flag.
7220
7221 2007-07-25  Diego Novillo  <dnovillo@google.com>
7222
7223         * tree-gimple.h (build_gimple_eh_filter_tree): Rename from
7224         gimple_build_eh_filter_tree.
7225         * gimple.h (build_gimple_return): Rename from gimple_build_return.
7226         (build_gimple_assign): Rename from gimple_build_assign.
7227         (build_gimple_call_vec): Rename from gimple_build_call_vec.
7228         (build_gimple_call): Rename from gimple_build_call.
7229         (build_gimple_label): Rename from gimple_build_label.
7230         (build_gimple_goto): Rename from gimple_build_goto.
7231         (build_gimple_nop): Rename from gimple_build_nop.
7232         (build_gimple_bind): Rename from gimple_build_bind.
7233         (build_gimple_asm): Rename from gimple_build_asm.
7234         (build_gimple_catch): Rename from gimple_build_catch.
7235         (build_gimple_eh_filter): Rename from gimple_build_eh_filter.
7236         (build_gimple_try): Rename from gimple_build_try.
7237         (build_gimple_phi): Rename from gimple_build_phi.
7238         (build_gimple_resx): Rename from gimple_build_resx.
7239         (build_gimple_switch): Rename from gimple_build_switch.
7240         (build_gimple_switch_vec): Rename from gimple_build_switch_vec.
7241         (build_gimple_omp_parallel): Rename from gimple_build_omp_parallel.
7242         (build_gimple_omp_for): Rename from gimple_build_omp_for.
7243         (build_gimple_omp_critical): Rename from gimple_build_omp_critical.
7244         (build_gimple_omp_section): Rename from gimple_build_omp_section.
7245         (build_gimple_omp_continue): Rename from gimple_build_omp_continue.
7246         (build_gimple_omp_master): Rename from gimple_build_omp_master.
7247         (build_gimple_omp_return): Rename from gimple_build_omp_return.
7248         (build_gimple_omp_ordered): Rename from gimple_build_omp_ordered.
7249         (build_gimple_omp_sections): Rename from gimple_build_omp_sections.
7250         (build_gimple_omp_single): Rename from gimple_build_omp_single.
7251         Update all users.
7252
7253 2007-07-24  Chris Matthews  <chrismatthews@google.com>
7254
7255         * configure.ac: Added support for ENABLE_GIMPLE_CHECKING and the
7256         --enable-checking=gimple flag.
7257         * config.in: Same.
7258         * configure: Regenerated.
7259         * gimplify.c (cpt_same_type): Same.
7260         (gimple_push_condition): Same.
7261         (gimplify_addr_expr): Same.
7262         (gimplify_expr): Same.
7263         (gimplify_body): Same.
7264         (check_pointer_types_r): Same.
7265
7266 2007-07-24  Diego Novillo  <dnovillo@google.com>
7267
7268         * gimple.def: Re-organize codes that take tree operands so
7269         they are consecutive.
7270         * gsstruct.def (GSS_LABEL, GSS_ASSIGN_BINARY, GSS_ASSIGN_UNARY_REG,
7271         GSS_ASSIGN_UNARY_MEM, GSS_COND, GSS_GOTO, GSS_SWITCH, GSS_CALL,
7272         GSS_RETURN): Remove.  Update al users.
7273         * gimple.c (gss_for_code): New.
7274         (gimple_statement_structure): Call it.
7275         (get_num_ops_for): New.
7276         (gimple_build_with_ops): New.
7277         (gimple_build_return, gimple_build_call_1, gimple_build_assign,
7278         gimple_build_cond, gimple_build_label, gimple_build_goto,
7279         gimple_build_switch_1, ): Call it.
7280         (gss_for_assign): Remove.  Update all users.
7281         (gimple_check_failed): Do not assume that subcode is a valid tree
7282         code.
7283         (gimple_range_check_failed): New.
7284         (walk_tuple_ops): Implement in terms of gimple_num_ops and
7285         gimple_op when dealing with GSS_WITH_OPS and GSS_WITH_MEM_OPS
7286         statements.
7287         * gimple.h (struct gimple_statement_with_ops): Add fields 'num_ops'
7288         and 'op'.
7289         (struct gimple_statement_label, gimple_statement_assign_binary,
7290         gimple_statement_assign_unary_reg, gimple_statement_assign_unary_mem,
7291         gimple_statement_cond, gimple_statement_goto, gimple_statement_switch,
7292         gimple_statement_call, gimple_statement_return): Remove.
7293         Update all users.
7294         (gimple_range_check_failed): Declare.
7295         (GIMPLE_RANGE_CHECK): Define.
7296         (gimple_num_ops): New.
7297         (gimple_op): New.
7298         (gimple_set_op): New.
7299         (gimple_assign_rhs1): Rename from gimple_assign_binary_rhs1.
7300         (gimple_assign_set_rhs1): Rename from gimple_assign_binary_set_rhs1.
7301         (gimple_assign_rhs2): Rename from gimple_assign_binary_rhs2.
7302         (gimple_assign_set_rhs2): Rename from gimple_assign_binary_set_rhs2.
7303         (gimple_assign_unary_rhs): Remove.  Update all users.
7304         (gimple_assign_unary_set_rhs): Likewise.
7305         (gimple_switch_num_labels): Rename from gimple_switch_nlabels.
7306         (gimple_call_fn, gimple_call_lhs, gimple_call_chain,
7307         gimple_call_set_chain, gimple_call_nargs, gimple_call_arg,
7308         gimple_call_set_arg, gimple_cond_lhs, gimple_cond_set_lhs,
7309         gimple_cond_rhs, gimple_cond_set_rhs, gimple_cond_true_label,
7310         gimple_cond_false_label, gimple_cond_set_true_label,
7311         gimple_cond_set_false_label, gimple_label_label,
7312         gimple_label_set_label, gimple_goto_dest,
7313         gimple_goto_set_dest, gimple_asm_input_op,
7314         gimple_asm_set_input_op, gimple_asm_output_op,
7315         gimple_asm_set_output_op, gimple_asm_clobber_op,
7316         gimple_asm_set_clobber_op, gimple_switch_num_labels,
7317         gimple_switch_index, gimple_switch_set_index,
7318         gimple_switch_default_label, gimple_switch_set_default_label,
7319         gimple_switch_label, gimple_switch_set_label,
7320         gimple_return_retval, gimple_return_set_retval): Implement
7321         using the array of operands in field 'with_ops'.
7322         (gimple_asm_set_ninputs, gimple_asm_set_noutputs,
7323         gimple_asm_set_nclobbered, gimple_asm_set_string): Remove.
7324         Update all users.
7325
7326
7327 2007-07-24  Aldy Hernandez  <aldyh@redhat.com>
7328
7329         * tree.c (get_callee_fndecl): Revert previous change.
7330         * gimplify.c (gimplify_call_expr): Use result from
7331         get_callee_fndecl if available.
7332         * c-common.c (c_warn_unused_result): Do not use
7333         get_callee_fndecl.
7334         Add assertion.
7335
7336 2007-07-24  Diego Novillo  <dnovillo@google.com>
7337
7338         Merge with mainline (@126872)
7339
7340 2007-07-23  Aldy Hernandez  <aldyh@redhat.com>
7341
7342         * tree.c (get_callee_fndecl): Work when only the CALL_EXPR_FN has
7343         been passed.
7344         * c-common.c (c_warn_unused_result): Use get_callee_fndecl.
7345
7346 2007-07-23  Aldy Hernandez  <aldyh@redhat.com>
7347
7348         * c-decl.c: Include gimple.h.
7349         (c_gimple_diagnostics_recursively): Call c_warn_unused_result with
7350         tuplified body.
7351         Exit if -fgimple-only.
7352         * gimplify.c (gimplify_call_expr): Call gimple_build_call_vec with
7353         the correct callee.
7354         * c-gimplify.c (c_genericize): Remove exit.
7355         * c-common.c: Include gimple.h.
7356         (c_warn_unused_result): Tuplify.
7357         * c-common.h (c_warn_unused_result): Protoize.
7358         * Makefile.in (c-decl.o): Depend on GIMPLE_H.
7359         (c-common.o): Same.
7360         * gimple.c (gimple_build_catch): Handler is a sequence.
7361         Adjust accordingly.
7362         (gimple_build_eh_filter): Failure is a sequence.
7363         Adjust accordingly.
7364         (walk_tuple_ops): case GIMPLE_CATCH: Walk handler as a sequence.
7365         case GIMPLE_EH_FILTER: Walkder failure as a sequence.
7366         * gimple.h (gimple_statement_catch): Make handler a sequence.
7367         (gimple_statement_eh_filter): Make failure a sequence.
7368         (gimple_build_catch): Make second argument a sequence.
7369         (gimple_build_eh_filter): Same.
7370         (gimple_catch_handler): Return a sequence.
7371         (gimple_catch_set_handler): Make second argument a sequence.
7372         (gimple_eh_filter_failure): Return a sequence.
7373         (gimple_eh_filter_set_failture): Make second argument a sequence.
7374
7375 2007-07-20  Aldy Hernandez  <aldyh@redhat.com>
7376
7377         * gimplify.c (gimplify_return_expr): Handle an empty ret_expr
7378         gracefully.
7379
7380 2007-07-19  Aldy Hernandez  <aldyh@redhat.com>
7381
7382         * testsuite/gcc.dg/gimple/instrument.c: New.
7383         * gimplify.c (gimplify_function_tree): Generate tuples for function
7384         instrumentation.
7385
7386 2007-07-18  Aldy Hernandez  <aldyh@redhat.com>
7387
7388         * gimplify.c (gimple_add_tmp_var): Remove abort.  Add comment.
7389
7390 2007-07-18  Aldy Hernandez  <aldyh@redhat.com>
7391
7392         * gimplify.c (gimple_add_tmp_var): Remove abort.  Add comment.
7393
7394 2007-07-18  Aldy Hernandez  <aldyh@redhat.com>
7395
7396         * gimplify.c (gimplify_and_add): Remove unecessary temporary sequence.
7397         Remove fixme.  Add comment.
7398         (gimplify_loop_expr): Tuplefy.
7399         (gimplify_bind_expr): Streamline GIMPLE_TRY_FINALLY tuple.
7400         (gimplify_expr): Tuplefy TRY_*_EXPR cases.
7401         * gimple.c: Fix some spacing.
7402         (gimple_build_try, gimple_omp_build_*): Handle empty sequences.
7403         (gimple_push): Remove.
7404         * gimple.h (gimple_push): Remove.
7405
7406 2007-07-18  Aldy Hernandez  <aldyh@redhat.com>
7407
7408         * tree-gimple.h (declare_vars): Update arguments.
7409         * gimplify.c (pop_gimplify_context): Enable call to declare_vars.
7410         (declare_vars): Convert to use tuples.
7411         (gimple_add_tmp_var): Same.
7412         * gimple.h (GIMPLE_BLOCK): New.
7413
7414 2007-07-17  Chris Matthews  <chrismatthews@google.com>
7415
7416         * gimplify.c (gs_build_eh_filter): Renamed to gs_build_eh_filter_tree
7417         to avoid name conflict.
7418         * gimple-pretty-print.c: Renamed to debug_gs_* to debug_gimple_*.
7419         Updated all users.
7420         * gimple.h: Renamed all functions with GS and gs prefixes to GIMPLE and
7421         gimple, and updated users.
7422         Renamed gs_seq_* functions to gimple_seq_*. Updated all users.
7423         * gimple.def: Definitions changed to from GS_* to GIMPLE_*.
7424
7425 2007-07-16  Chris Matthews  <chrismatthews@google.com>
7426
7427         * gimple.c (gs_build_switch): Changed nlabels to represent total number
7428         of labels including the default.
7429         (gs_build_switch_1): Same.
7430         (walk_tuple_ops): Same.
7431         * gimple-pretty-print.c (dump_gs_switch): Same.
7432
7433 2007-07-16  Aldy Hernandez  <aldyh@redhat.com>
7434
7435         * gimplify.c (gimplify_ctx): Rename current_bind_expr_seq to
7436         bind_expr_stack and make it a vector.
7437         (push_gimplify_context): Adjust bind_expr_stack for vectors.
7438         (pop_gimplify_context): Same.
7439         (gimple_push_bind_expr): Same.
7440         (gimple_pop_bind_expr): Same.
7441         (gimple_current_bind_expr): Same.
7442         (get_tmp_var_for): Use ``code''.
7443         (gimplify_bind_expr): Remove comment.
7444         (gimplify_case_label_expr): Add whitespace.
7445         * gimple.c (gs_pop): Remove.
7446         * gimple.h: Define vectors of a gimple type.
7447         (gs_pop): Remove prototype.
7448         * Makefile.in (GIMPLE_H): Add vec.h.
7449
7450 2007-07-15  Diego Novillo  <dnovillo@google.com>
7451
7452         * gimple.c: Rename from gimple-ir.c.
7453         Update all users.
7454         * gimple.h: Rename from gimple-ir.h.
7455         Update all users.
7456
7457 2007-07-15  Diego Novillo  <dnovillo@google.com>
7458
7459         * gimple-ir.c (gimple_statement_structure): Remove code
7460         after gcc_unreachable call.
7461         * gimplify.c (get_tmp_var_for): New.
7462         (gimplify_call_expr): Call it.
7463
7464 2007-07-14  Aldy Hernandez  <aldyh@redhat.com>
7465
7466         * testsuite/gcc.dg/gimple/with_size_expr.c: Check for GS_TRY.
7467         * Makefile.in (gimple-ir.o): Add diagnostic.h dependency.
7468         * gimple-pretty-print.c (dump_gs_call): Dump LHS if available.
7469         (dump_gs_try): New.
7470         (dump_gimple_stmt): Add case for GS_TRY.
7471         * gimple-ir.c.  Include diagnostic.h.
7472         (gs_build_try): Cleanup and eval are sequences.
7473         Remove catch_p and finally_p arguments.  Add catch_finally argument.
7474         (gs_omp_build_critical): Body is a gs_seq.
7475         (gs_omp_build_parallel): Same.
7476         (gs_omp_build_section): Same.
7477         (gs_omp_build_master): Same.
7478         (gs_omp_build_continue): Same.
7479         (gs_omp_build_ordered): Same.
7480         (gs_omp_build_sections): Same.
7481         (gs_omp_build_single): Same.
7482         (gs_omp_build_for): Body and pre_body is a gs_seq.
7483         (gs_push): New.
7484         (gs_pop): New.
7485         (walk_tuple_ops): Walk GS_TRY tuples eval and cleanups correctly.
7486         Dump tuple before we ICE.
7487         * gimple-ir.h (gs_seq_copy): New.
7488         (struct gimple_statement_try): Eval and cleanups are gs_seq's.
7489         (gs_bind_set_body): Use gs_seq_copy.
7490         (gs_try_eval): Return address of eval.
7491         (gs_try_cleanup): Return address of cleanup.
7492         (gs_try_set_eval): Use gs_seq_copy.
7493         (gs_try_set_cleanup): Same.
7494         (gs_omp_set_body): Same.
7495         (gs_omp_for_set_pre_body): Same.
7496         * gimplify.c (struct gimplify_ctx): Rename current_bind_expr to
7497         current_bind_expr_seq, and make it a sequence.
7498         (pop_gimplify_context): Adjust for current_bind_expr_seq.
7499         (gimple_push_bind_expr): Same.
7500         (gimple_pop_bind_expr): Same.
7501         (gimple_current_bind_expr): Same.
7502         (build_stack_save_restore): Generate tuples.
7503         (gimplify_bind_expr): Same.
7504
7505 2007-07-13  Diego Novillo  <dnovillo@google.com>
7506
7507         * gimple-ir.c (gs_add): Swap arguments.
7508         Update all users.
7509         * gimple-ir.h (gs_seq_append): Likewise.
7510
7511 2007-07-12  Diego Novillo  <dnovillo@google.com>
7512
7513         * tree.c (create_artificial_label): Move from gimplify.c
7514         (get_name): Likewise.
7515         * tree.h (create_artificial_label, get_name): Move
7516         declarations earlier in the file.
7517         * diagnostic.h (dump_gimple_stmt, print_gimple_stmt,
7518         dump_gimple_seq): Rearrange.
7519         * tree-gimple.h (gimplify_function_tree): Move from tree.h.
7520         * gimple-pretty-print.c (do_niy): Tidy.
7521         (maybe_init_pretty_print): Add comment.
7522         (newline_and_indent): Likewise.
7523         Remove "gimpleir: " prefix.
7524         (debug_gimple_stmt): Add comment.
7525         (dump_gs_seq): Remove.
7526         (dump_gimple_seq): Add argument SPC.
7527         Update all users.
7528         If FLAGS contains TDF_DETAILS, emit "gimpleir:" prefix.
7529         (dump_gs_cond): If FLAGS contains TDF_DETAILS, emit
7530         "gimpleir:" prefix.
7531         (dump_gs_bind): Likewise.
7532         * function.h (struct function): Remove field 'gimplified'.
7533         * gimple-ir.c (gimple_bodies): New private variable.
7534         (set_gimple_body): New.
7535         (gimple_body): New.
7536         * gimple-ir.h: Include pointer-set.h.
7537         Add comment before data structure definitons.
7538         (set_gimple_body): Declare.
7539         (gimple_body): Declare.
7540         * gimplify.c (create_artificial_label): Move to tree.c
7541         (get_name): Likewise.
7542         (gimplify_function_tree): Change return type to void.
7543         Call set_gimple_body after gimplification and nullify
7544         DECL_SAVED_TREE.
7545         Update all callers.
7546         * common.opt (fgimple-only): New option.
7547         * tree-optimize.c (tree_rest_of_compilation): Do not nullify
7548         DECL_SAVED_TREE.
7549         * c-gimplify.c (c_genericize): Restore gimplification logic to
7550         mainline version.
7551         If -fgimple-only was given, exit.
7552         * Makefile.in (GIMPLE_IR_H): Add pointer-set.h
7553         * tree-cfg.c (execute_build_cfg): Nullify GIMPLE body after
7554         building the CFG.
7555         (dump_function_to_file): If DECL_SAVED_TREE is NULL dump the
7556         GIMPLE body of the function.
7557
7558 2007-07-12  Diego Novillo  <dnovillo@google.com>
7559
7560         * omp-low.c (lower_regimplify): Use a local GIMPLE sequence to
7561         hold the result from gimplification.
7562         * tree-gimple.c (is_gimple_min_val): Reformat.
7563         * tree-gimple.h (enum fallback_t): Document values.
7564         (gimplify_expr): Remove IS_STATEMENT argument.
7565         Update all users.
7566         * langhooks.c (lhd_gimplify_expr): Likewise.
7567         * gimplify.c (gimplify_statement_list): If a temporary
7568         was returned from voidify_wrapper_expr abort to mark the failure.
7569         (gimplify_expr): Remove argument IS_STATEMENT.
7570         Update all users.
7571         Assert that FALLBACK is used with the appropriate GIMPLE_TEST_F
7572         Restore logic to use internal queue.
7573         Do not abort if on return from gimplify_call_expr, *EXPR_P has
7574         a CALL_EXPR.
7575
7576 2007-07-12  Aldy Hernandez  <aldyh@redhat.com>
7577
7578         * gimple-ir.c (gs_build_switch_1): Allocate one less tree.
7579         (gs_build_switch_1): Offset labels by one.
7580         (gs_switch_label): Same.
7581         (gs_switch_set_label): Same.
7582
7583 2007-07-12  Aldy Hernandez  <aldyh@redhat.com>
7584
7585         * gimple-ir.c (walk_seq_ops): Rename from walk_tree_seq.
7586         (walk_tuple_ops): Rename from walk_tree_tuple.
7587         * gimple-ir.h, gimplify.c, gimple-ir.c: Rename all calls to
7588         walk_tree_seq and walk_tree_tuple accordingly.
7589
7590 2007-07-12  Aldy Hernandez  <aldyh@redhat.com>
7591
7592         * gimple-ir.c (gs_build_switch_1): Fix spacing.
7593         Allocate one more tree.
7594         (gs_build_switch): Set labels starting at 1.
7595         (walk_tree_seq): New.
7596         (walk_tree_tuple): New.
7597         * gimple-ir.h: Add prototypes for walk_tree_tuple and walk_tree_seq.
7598         * gimplify.c (check_pointer_types_r): Uncomment.
7599         (gimplify_body): Walk gimple sequence with check_pointer_types_r.
7600
7601 2007-07-11  Chris Matthews  <chrismatthews@google.com>
7602
7603         * tree-pretty-print.c (dump_generic_node): Removed space before default
7604         label colon.
7605         * tree.h (sort_case_labels): Moved to gimple-ir.h.
7606         * gimplify.c (sort_case_labels): Changed to a vector instead of tree
7607         vector.
7608         (gimplify_switch_expr): Initial implementation with tuples.
7609         (gimplify_expr): Changed gimplify_case_label_expr parameter.
7610         (gimplify_case_label_expr): Added a gs_seq parameter, and put cases in
7611         that.
7612         (dump_gimple_stmt): Removed semicolon.
7613         (dump_gs_label):  Refactored from dump_gimple_expr.
7614         (dump_gs_switch): Added.
7615         (gs_build_switch_vec): Added.
7616         * gimple-ir.c (gs_build_switch_1): Added.
7617         (gs_build_switch): Refactored to use gs_build_switch_1.
7618         (gs_build_switch_vec): Added.
7619         * gs_switch.c: New test case.
7620         * gs_switch1.c: New test case.
7621         * gs_switch2.c: New test case.
7622
7623 2007-07-05  Aldy Hernandez  <aldyh@redhat.com>
7624
7625         * gimple-pretty-print.c (dump_gimple_stmt): Alphabetize cases.
7626         Add case for GS_NOP.
7627         * gimplify.c (gimplify_body): Handle null bodies.
7628         Use GS_CODE instead of GS_SUBCODE_FLAGS.
7629
7630 2007-07-05  Aldy Hernandez  <aldyh@redhat.com>
7631
7632         * testsuite/gcc.dg/gimple/with_size_expr.c: Clean up dump.
7633         * testsuite/gcc.dg/gimple/gs_bind.c: Clean up dump.
7634         * gimplify.c (struct gimplify_ctx): Make current_bind_expr a tuple.
7635         (pop_gimplify_context): Accept gimple.
7636         Comment out call to declare_vars.
7637         (gimple_current_bind_expr): Return gimple.
7638         (unshare_all_trees): Remove.
7639         (gimplify_self_mod_expr): Remove comment.
7640         (gimplify_cleanup_point_expr): Correct typo in call to gs_seq_init.
7641         (gimplify_body): Remove body local.
7642         Build GS_BIND tuples when needed.
7643         Do not call unshare_all_trees.
7644         Call pop_gimplify_context with appropriate argument.
7645         Comment out call to walk_tree.
7646         * tree-pretty-print.c (print_declaration): Remove static.
7647         * diagnostic.h (print_declaration): Prototype.
7648         * tree-gimple.h (pop_gimplify_context): Accept gimple tuple.
7649         (gimple_current_bind_expr): Return tuple.
7650         * gimple-pretty-print.c (dump_gs_seq): New.
7651         (dump_gs_bind): New.
7652         (dump_gimple_stmt): Add case for GS_BIND.  Print semi-colons after
7653         each statement.
7654
7655 2007-06-29  Aldy Hernandez  <aldyh@redhat.com>
7656
7657         * gimplify.c (gimple_push_condition): Enable.  Call gs_seq_init with
7658         address.
7659         (gimplify_cond_expr): Push and pop conditions.  Use other GS_COND
7660         predicates when appropriate
7661
7662 2007-06-28  Aldy Hernandez  <aldyh@redhat.com>
7663
7664         * testsuite/gcc.dg/gimple/gs_goto.c: New.
7665         * testsuite/gcc.dg/gimple/gs_cond.c: New.
7666         * tree-gimple.h (gimplify_stmt): Return bool.
7667         * gimple-pretty-print.c (INDENT): New.
7668         (newline_and_indent): New.
7669         (op_gs_cond): New.
7670         (dump_gs_cond): New.
7671         (dump_gimple_stmt): New.
7672         * gimple-ir.c (gs_cond_invert): New.
7673         * gimple-ir.h (enum gs_cond): Add comment.
7674         (gs_cond_invert): Protoize.
7675         * gimplify.c (gimplify_cond_expr): Rewrite for tuples.
7676         (gimplify_stmt): Return true if we added a statement to the queue.
7677         (gimplify_expr): Enable gimplify_cond_expr.
7678         Build tuples for GOTO_EXPRs and LABEL_EXPRs.
7679
7680 2007-06-27  Aldy Hernandez  <aldyh@redhat.com>
7681
7682         * gimple-ir.h (gs_seq_last): Return last statement.
7683         * testsuite/gcc.dg/gimple/compound_expr.c: Add checks.
7684         * testsuite/gcc.dg/gimple/gs_call.c: Same.
7685         * testsuite/gcc.dg/gimple/constructors.c: Same.
7686         * testsuite/gcc.dg/gimple/gs_assign.c: Same.
7687
7688 2007-06-27  Aldy Hernandez  <aldyh@redhat.com>
7689
7690         Put this patch back in.
7691
7692         2007-06-22  Aldy Hernandez  <aldyh@redhat.com>
7693
7694         * gimplify.c (gimplify_modify_expr): Return after a successful
7695         call to gimplify_modify_expr_rhs.
7696
7697 2007-06-26  Aldy Hernandez  <aldyh@redhat.com>
7698
7699         * testsuite/gcc.dg/gimple/gimple.exp: Pass -fdump-tree-gimple-details
7700         * testsuite/gcc.dg/gimple/compound_expr.c: Add dg-final.
7701         * testsuite/gcc.dg/gimple/gs_return.c: Same.
7702         * tree.h (gimplify_function_tree): Add return value.
7703         * diagnostic.h (debug_c_tree): Move under tree-pretty-print.c section.
7704         (dump_gimple_seq): New.
7705         to tests.
7706         * gimple-pretty-print.c (dump_gimple_seq): New.
7707         * gimplify.c (gimplify_function_tree): Add return value.
7708         Remove debug call and exit.
7709         Comment out non-working code.
7710         * c-gimplify.c (c_genericize): Dump gimple IR.  Exit.
7711
7712 2007-06-26  Diego Novillo  <dnovillo@google.com>
7713
7714         * gimple-ir.c (gs_build_call_1): Fix formatting.
7715
7716 2007-06-26  Diego Novillo  <dnovillo@google.com>
7717
7718         * gimple-pretty-print.c (dump_gs_assign, dump_gs_return,
7719         dump_gs_call): New functions.
7720         (dump_gimple_stmt): Call them.
7721         * gimple-ir.c (gs_build_call_1): Factor out of gs_build_call.
7722         (gs_build_call): Call it.
7723         (gs_build_call_vec): New function.
7724         * gimple-ir.h (struct gimple_statement_call): Change type of
7725         field 'nargs' to size_t.  Update all users.
7726         (gs_build_call_vec): Declare.
7727         (gs_call_set_fn): Remove.
7728         (gs_call_set_nargs): Remove.
7729         * gimplify.c: Include "vec.h"
7730         (gimplify_return_expr): Fix formatting
7731         (gimplify_call_expr): Call gs_build_call_vec.
7732         (gimplify_expr): Do not try to test if NULL expressions
7733         are in GIMPLE form.
7734         (gimplify_function_tree): Do not call debug_gimple_seq.
7735         * Makefile.in (gimplify.o): Include vec.h
7736
7737 2007-06-25  Chris Matthews  <chrismatthews@google.com>
7738
7739         * gimplify.c (gimple_current_bind_expr): Changed to work with gs_seq
7740         accessors
7741         (gimplify_and_add): Same.
7742         (annotate_all_with_locus): Same.
7743         (gimplify_self_mod_expr): Same.
7744         (gimplify_cleanup_point_expr): Same.
7745         (gimplify_expr): Same.
7746         (gimplify_body): Same.
7747         (force_gimple_operand): Same.
7748         (gimplify_init_ctor_eval_range): Added GS_ prefix.
7749         * gimple-iterator.h (gsi_last): Changed to gs_seq accessors.  Changed
7750         gimple_stmt_iterator to use a gimple instead of gimple *.
7751         (gsi_one_before_end_p): Same.
7752         (gsi_start): Same.
7753         * gimple-ir.h (gs_cond): Prepended GS_ to names.
7754         (gs_seq_first): Replaced macro.
7755         (gs_seq_last): Same.
7756         (gs_seq_set_first): Same.
7757         (gs_seq_set_last): Same.
7758         (gs_seq_init): Same.
7759         (gs_seq_empty_p): Same.
7760         (gs_assign_operand) Changed opno to be a size_t to match set.
7761         (gs_bind_body): Changed to use gs_seq.
7762         (gs_bind_set_body): Changed to use gs_seq, and gs_seq_set_first, and last.
7763         (gs_asm_ninputs): Renamed.
7764         (gs_asm_noutputs): Renamed.
7765         (gs_asm_nclobbered): Renamed.
7766         (gs_asm_set_ninputs): Renamed.
7767         (gs_asm_set_noutputs): Renamed.
7768         (gs_asm_set_nclobbered): Renamed.
7769         (gs_asm_set_input_op): Renamed.
7770         (gs_asm_input_op): Renamed.
7771         (gs_asm_set_output_op): Renamed.
7772         (gs_asm_output_op): Renamed.
7773         (gs_omp_body): Changed to use gs_seq.
7774         (gs_omp_set_body): Changed to use gs_seq accessors.
7775         (gs_omp_for_pre_body): Changed to use gs_seq.
7776         (gs_omp_for_set_pre_body): Changed to use gs_seq accessors.
7777         (gs_seq_append): Changed to use gs_seq accessors.
7778         * gimple-ir.c (gs_add): Same.
7779         (gs_build_asm): Changed argument names to match accessors, and changed
7780         functions to new accessor names.
7781         (gs_build_cond): Reformatted.
7782         (gs_build_phi): Same.
7783         (gs_build_try): Renamed args to try_p and catch_p.
7784         (gs_build_omp_return): Change to correct arguments, and added a subcode
7785         flag.
7786         * function.c (gimplify-oaraneters): Changed to gs_seq accessors.
7787
7788 2007-06-22  Aldy Hernandez  <aldyh@redhat.com>
7789
7790         * gimplify.c (gimplify_modify_expr): Return after a successful
7791         call to gimplify_modify_expr_rhs.
7792
7793 2007-06-21  Aldy Hernandez  <aldyh@redhat.com>
7794
7795         * gimple-ir.h (gs_assign_binary_rhs1): Add assertion for
7796         GSS_ASSIGN_BINARY.
7797         (gs_assign_binary_set_rhs1): Same.
7798         (gs_assign_binary_rhs2): Same.
7799         (gs_assign_binary_set_rhs2): Same.
7800         (gs_assign_unary_rhs): Same.
7801         (gs_assign_unary_set_rhs): Same.
7802
7803 2007-06-21  Aldy Hernandez  <aldyh@redhat.com>
7804
7805         * gcc.dg/gimple/gimple.exp: New.
7806         * gcc.dg/gimple/compound_expr.c: New.
7807         * gcc.dg/gimple/with_size_expr.c: New.
7808         * gcc.dg/gimple/compound_expr.c: New.
7809         * gcc.dg/gimple/gs_call.c: New.
7810         * gcc.dg/gimple/constructors.c: New.
7811         * gcc.dg/gimple/gs_return.c: New.
7812         * gcc.dg/gimple/gs_assign.c: New.
7813
7814 2007-06-21  Aldy Hernandez  <aldyh@redhat.com>
7815
7816         * gimple-ir.c (gs_build_cond): Change order of arguments.  Make labels
7817         of type tree.
7818         (gs_build_asm): Fix formatting.
7819         * gimple-ir.h (gimple_statement_cond): Make labels of type tree.
7820         (gs_build_cond): Change order and type of arguments.
7821         (gs_build_asm): Fix formatting.
7822         (gs_omp_build_for): Same.
7823         (gs_assign_binary_rhs1): Remove assert.
7824         (gs_assign_binary_set_rhs1): Same.
7825         (gs_assign_binary_rhs2): Same.
7826         (gs_assign_binary_set_rhs2): Same.
7827         (gs_assign_unary_rhs): Same.
7828         (gs_cond_true_label): Return a tree.
7829         (gs_cond_set_true_label): Make label a tree.
7830         (gs_cond_set_false_label): Make label a tree.
7831         (gs_cond_false_label): Return a tree.
7832         * gimplify.c (gimplify_init_ctor_eval_range): Build tuples.
7833         (gimplify_init_ctor_eval): Same.
7834         (gimplify_init_constructor): Enable.  Adjust for tuples.
7835         (gimplify_modify_expr_rhs): Uncomment call to
7836         gimplify_init_constructor.
7837
7838 2007-06-21  Diego Novillo  <dnovillo@google.com>
7839
7840         * gimple.def: Rename from gs.def.
7841         Adjust all users.
7842
7843 2007-06-21  Diego Novillo  <dnovillo@google.com>
7844
7845         * tree-pretty-print.c (pred_symbol_code, do_gs_niy,
7846         debug_gimple_stmt, debug_gimple_seq, print_gimple_stmt,
7847         dump_gimple_stmt): Move to gimple-pretty-print.c
7848         * diagnostic.h: Add comment for functions in gimple-pretty-print.c
7849         * gimple-pretty-print.c: New file.
7850         * gimple-ir.c (gs_build_return): Fix spacing.
7851         (gs_build_assign): Likewise.
7852         * gimple-ir.h: Fix spacing.
7853         (gs_assign_set_operand): Change OPNO to size_t.
7854         Add assertions for OPNO's value.
7855         (gs_assign_lhs): Rename from gs_assign_operand_lhs.
7856         (gs_assign_binary_rhs1): Rename from gs_assign_operand_rhs.
7857         Assert that GS is GSS_ASSIGN_BINARY
7858         (gs_assign_binary_set_rhs1): Rename from gs_assign_set_rhs.
7859         Assert that GS is GSS_ASSIGN_BINARY.
7860         (gs_assign_binary_set_rhs2): Rename from gs_assign_set_rhs2.
7861         Assert that GS is GSS_ASSIGN_BINARY.
7862         (gs_assign_unary_rhs): New.
7863         (gs_assign_unary_set_rhs): New.
7864         (gs_call_fn, gs_call_lhs, gs_call_chain, gs_call_arg,
7865         gs_cond_lhs, gs_cond_rhs, gs_label_label, gs_goto_dest,
7866         gs_bind_vars, gs_asm_in_op, gs_asm_out_op, gs_asm_clobber_op,
7867         gs_catch_types, gs_catch_handler, gs_eh_filter_types,
7868         gs_eh_filter_failure, gs_try_eval, gs_try_cleanup,
7869         gs_phi_result, gs_switch_index, gs_switch_default_label,
7870         gs_switch_label,gs_omp_critical_name, gs_omp_for_clauses,
7871         gs_omp_for_index, gs_omp_for_initial, gs_omp_for_final,
7872         gs_omp_for_incr, gs_omp_parallel_clauses,
7873         gs_omp_parallel_child_fn, gs_omp_parallel_data_arg,
7874         gs_omp_single_clauses, gs_omp_sections_clauses,
7875         gs_return_retval): Change return type to 'tree'.
7876         * Makefile.in (OBJS-common): Add gimple-pretty-print.o.
7877         (gimple-pretty-print.o): New rule.
7878
7879 2007-06-20  Aldy Hernandez  <aldyh@redhat.com>
7880
7881         * tree-pretty-print.c (dump_gimple_stmt): Change pred_symbol_code
7882         to op_symbol_code.
7883
7884 2007-06-19  Aldy Hernandez  <aldyh@redhat.com>
7885
7886         * gimplify.c (gimplify_modify_expr_rhs): Enable.  Adjust for tuples.
7887         (gimplify_modify_expr): Call gimplify_modify_expr_rhs.
7888         (gimplify_compound_expr): Enable.  Adjust for tuples.  Remove comment
7889         that no longer applies.
7890         (gimplify_expr): Enable call to gimplify_compound_expr.
7891
7892 2007-06-18  Chris Matthews  <chrismatthews@google.com>
7893
7894         * Makefile.in (GTFILES): Added gimeple-ir.h.
7895
7896         * gimple-ir.c (gs_build_return, gs_build_call, gs_build_assign):
7897         Changed to use new accessors.
7898         (gs_build_cond, gs_build_label, gs_build_goto,
7899         gs_build_nop, gs_build_bind gs_build_asm, gs_build_catch,
7900         gs_build_eh_filter, gs_build_try, gs_build_phi,
7901         gs_build_resx, gs_build_switch, gs_omp_build_critical,
7902         gs_omp_build_for, gs_omp_build_parallel,
7903         gs_omp_build_section, gs_omp_build_master,
7904         gs_omp_build_ordered, gs_omp_continue,
7905         gs_omp_build_ordered, gs_omp_build_return,
7906         gs_omp_build_sections, gs_omp_build_single): New
7907         functions.
7908
7909         * gimple-ir.h (struct gimple_statement_switch): Changed
7910         default label to be in labels[0].
7911
7912         (struct gimple_statement_asm): Corrected the allocation
7913         length.
7914
7915         (enum gs_cond): New enum.
7916         (gs_assign_set_operand): Changed to work with new accessors.
7917         (gs_assign_operand_lhs, gs_assign_operand_rhs,
7918         gs_assign_operand_set_lhs, gs_assign_set_rhs,
7919         gs_assign_operand_rhs2, gs_assign_set_rhs2, gs_call_fn,
7920         gs_call_set_fn, gs_call_lhs, gs_call_set_lhs,
7921         gs_call_chain, gs_call_set_chain, gs_call_nargs,
7922         gs_call_set_nargs, gs_call_arg, gs_call_set_arg,
7923         gs_cond_lhs, gs_cond_set_lhs, gs_cond_rhs,
7924         gs_cond_set_rhs, gs_cond_true_label,
7925         gs_cond_set_true_label, gs_cond_set_false_label,
7926         gs_cond_false_label, gs_label_label, gs_label_set_label,
7927         gs_goto_dest, gs_goto_set_dest, gs_bind_vars,
7928         gs_bind_set_vars, gs_bind_body, gs_bind_set_body,
7929         gs_asm_ni, gs_asm_set_ni, gs_asm_no, gs_asm_set_no,
7930         gs_asm_nc, gs_asm_set_nc, gs_asm_in_op, gs_asm_set_in_op,
7931         gs_asm_out_op, gs_asm_set_out_op, gs_asm_clobber_op,
7932         gs_asm_set_clobber_op, gs_asm_string, gs_asm_set_string,
7933         gs_catch_types, gs_catch_handler, gs_catch_set_types,
7934         gs_catch_set_handler, gs_eh_filter_types,
7935         gs_eh_filter_failure, gs_eh_filter_set_types,
7936         gs_eh_filter_set_failure, gs_try_eval, gs_try_cleanup,
7937         gs_try_set_eval, gs_try_set_cleanup, gs_phi_capacity,
7938         gs_phi_set_capacity, gs_phi_nargs, gs_phi_set_nargs,
7939         gs_phi_result, gs_phi_set_result, gs_phi_arg,
7940         gs_phi_set_arg, gs_resx_region, gs_resx_set_region,
7941         gs_switch_nlabels, gs_switch_set_nlabels,
7942         gs_switch_index, gs_switch_set_index,
7943         gs_switch_default_label, gs_switch_set_default_label,
7944         gs_switch_label, gs_switch_set_label, gs_omp_body,
7945         gs_omp_set_body, gs_omp_critical_name,
7946         gs_omp_critical_set_name, gs_omp_for_clauses,
7947         gs_omp_for_set_clauses, gs_omp_for_index,
7948         gs_omp_for_set_index, gs_omp_for_initial,
7949         gs_omp_for_set_initial, gs_omp_for_final,
7950         gs_omp_for_set_final, gs_omp_for_incr,
7951         gs_omp_for_set_incr, gs_omp_for_pre_body,
7952         gs_omp_for_set_pre_body, gs_omp_parallel_clauses,
7953         gs_omp_parallel_set_clauses, gs_omp_parallel_child_fn,
7954         gs_omp_parallel_set_child_fn, gs_omp_parallel_data_arg,
7955         gs_omp_parallel_set_data_arg, gs_omp_single_clauses,
7956         gs_omp_single_set_clauses, gs_omp_sections_clauses,
7957         gs_omp_sections_set_clauses, gs_assign_omp_for_cond,
7958         gs_omp_for_cond gs_return_set_retval,
7959         gs_add_subcode_flag): New accessor functions.
7960         (gs_return_retval): Renamed gs_return_operand_retval to match accessor
7961         conventions.
7962
7963 2007-05-31  Aldy Hernandez  <aldyh@redhat.com>
7964
7965         * gimple-ir.c (gs_build_call): New.
7966         * gimple-ir.h (GS_CALL_LHS): New.
7967         (GS_CALL_FN): New.
7968         (GS_CALL_CHAIN): New.
7969         (GS_CALL_NARGS): New.
7970         (GS_CALL_ARG): New.
7971         (gs_call_lhs): New.
7972         (gs_call_fn): New.
7973         (gs_call_chain): New.
7974         (gs_call_nargs): New.
7975         (gs_call_arg): New.
7976         * gimplify.c (gimplify_modify_expr_to_memcpy): Enable and rewrite for
7977         tuples.
7978         (gimplify_modify_expr_to_memset): Same.
7979         (gimplify_statement_list): Same.
7980         (gimplify_expr): Enable STATEMENT_LIST case.
7981
7982 2007-05-29  Aldy Hernandez  <aldyh@redhat.com>
7983
7984         Merged revisions 124007-125166 from mainline.
7985
7986 2007-05-23  Aldy Hernandez  <aldyh@redhat.com>
7987
7988         * builtins.c (std_gimplify_va_arg_expr): Add argument to gimplify_expr.
7989         Remove seq argument.
7990         (gimplify_va_arg_expr): Same.
7991         * tree-gimple.h: Same.
7992         * langhooks.c (lhd_gimplify_expr): Change pre_p and post_p types to
7993         sequences.
7994         * langhooks-def.h (lhd_gimplify_expr): Change
7995         * langhooks.h (struct lang_hooks): Remove argument.
7996         * gimplify.c (internal_get_tmp_var): Adjust calls to gimplify_expr
7997         for new arguments.
7998         (gimplify_switch_expr): Same.
7999         (gimplify_var_or_parm_decl): Same.
8000         (gimplify_compound_lval): Same.
8001         (gimplify_self_mod_expr): Same.
8002         (gimplify_arg): Same.
8003         (gimplify_call_expr): Same.
8004         (gimplify_init_ctor_preeval): Same.
8005         (gimplify_init_constructor): Same.
8006         (gimplify_modify_expr_rhs): Same.
8007         (gimplify_modify_expr): Same.
8008         (gimplify_save_expr): Same.
8009         (gimplify_addr_expr): Same.
8010         (gimplify_asm_expr): Same.
8011         (gimplify_target_expr): Same.
8012         (omp_check_private): Same.
8013         (gimplify_scan_omp_clauses): Same.
8014         (gimplify_omp_parallel): Same.
8015         (gimplify_omp_for): Same.
8016         (goa_stabilize_expr): Same.
8017         (gimplify_omp_atomic): Same.
8018         (gimplify_one_sizepos): Same.
8019         (force_gimple_operand): Same.
8020         (gimplify_expr): Remove seq_p argument.  Add new is_statement
8021         argument.  Adjust accordingly.  Make seq_p required.
8022
8023 2007-05-07  Aldy Hernandez  <aldyh@redhat.com>
8024
8025         * function.c (gimplify_parameters): Use new GS_SEQ_INIT definition.
8026         * gimple-ir.h (GS_SEQ_INIT): Do not use C99 constructs.
8027         * gimplify.c: Disable non working code throughout.
8028         Pass additional call to gimplify_expr throughout.
8029         (gimplify_ctx): Make conditional_cleanups a sequence.
8030         (gimple_push_condition): Use GS_SEQ_EMPTY_P.
8031         (gimple_pop_condition): Adapt for sequences.
8032         (gimplify_and_add): Use gs_seq_append regardless of side effects.
8033         (internal_get_tmp_var): Use sequences.
8034         (get_formal_tmp_var): Same.
8035         (get_initialized_tmp_var): Same.
8036         (annotate_one_with_locus): Change GS_LOCUS to GS_LOCUS_EMPTY_P.
8037         (gimplify_bind_expr): Use sequences.
8038         Change append_to_statement_list to gimplify_and_add.
8039         (gimplify_return_expr): Add gimplified code to pre_p.
8040         (gimplify_decl_expr): New seq_p parameter.
8041         (gimplify_loop_expr): Adapt for sequences.
8042         Use gimplify_and_add instead of append_to_statement_list.
8043         (gimplify_switch_expr): Same.
8044         (gimplify_compound_lval): Use sequences.
8045         (gimplify_self_mod_expr): Same.
8046         Use gs_seq_append instead of append_to_statement_list.
8047         (gimplify_arg): Use sequences.
8048         (gimplify_call_expr): Same.
8049         (gimplify_cond_expr): Use sequences.
8050         (gimplify_init_ctor_preeval): Use sequences.
8051         (gimplify_init_ctor_eval_range): Same.
8052         Use gimplify_and_add instead of append_to_statement_list.
8053         (gimplify_init_ctor_eval): Use sequences.
8054         (gimplify_init_constructor): Same.
8055         Remove one call to append_to_statement_list.
8056         (gimplify_modify_expr_rhs): Use sequences.
8057         (gimplify_modify_expr_complex_part): Use sequences.
8058         Remove call to tree_to_gimple_tuple.
8059         Build GS_ASSIGN tuple.
8060         (gimplify_modify_expr): Use new argument.  Use sequences.
8061         Do not call append_to_statement_list.
8062         Build GS_ASSIGN tuple.
8063         Do not call tree_to_gimple_tuple.
8064         Set *expr_p to NULL when we do not want the value.
8065         (gimplify_compound_expr): Use sequences.
8066         (gimplify_save_expr): Same.
8067         (gimplify_addr_expr): Same.
8068         (gimplify_asm_expr): Same.
8069         (gimplify_cleanup_point_expr): Same.
8070         (gimple_push_cleanup): Same.
8071         Build GS_ASSIGN tuples.
8072         (gimplify_target_expr): Use sequences.
8073         (gimplify_scan_omp_clauses): Same.
8074         Add argument to gimplify_stmt calls.
8075         (gimplify_omp_parallel): Same.
8076         (gimplify_omp_for): Use sequences.
8077         (gimplify_omp_workshare): Same.
8078         (goa_stabilize_expr): Same.
8079         (gimplify_omp_atomic_pipeline): Same.
8080         (gimplify_omp_atomic_mutex): Same.
8081         (gimplify_omp_atomic): Same.
8082         (gimplify_expr): Same.
8083         Call GS_SEQ_INIT with argument.
8084         Use new seq_p argument.
8085         Do not call tree_to_gimple_tuple.
8086         Pass additional argument to gimplify_decl_expr.
8087         Do not pass seq_p argument to gimplify_return_expr.
8088         Call gs_seq_append instead of append_to_statement_list.
8089         Check that all statements have been converted to tuples.
8090         Make pre_p and seq_p sequences coexist.
8091         (gimplify_type_sizes): Use sequences.
8092         (gimplify_one_sizepos): Same.
8093         (gimplify_body): Make parm_stmts a sequence.
8094         Add argument to seq_p.
8095         (gimplify_function_tree): Call debug_gimple_seq.
8096         (force_gimple_operand): Use sequences.
8097         (force_gimple_operand_bsi): Use sequences.
8098
8099 2007-05-04  Aldy Hernandez  <aldyh@redhat.com>
8100
8101         * omp-low.c (build_omp_barrier): Adjust arguments for sequences.
8102         (lower_rec_input_clauses): Disable non working code.
8103         (lower_regimplify): Pass additional argument to gimplify_expr.
8104         * tree-mudflap.c (mx_register_decls): Disable non working code.
8105         * tree-inline.c (copy_bb): Disable non working code.
8106         (setup_one_parameter): Same.
8107         * tree-cfg.c (make_edges): Same.
8108
8109 2007-05-04  Aldy Hernandez  <aldyh@redhat.com>
8110
8111         * tree-gimple.h (get_initialized_tmp_var): Adjust prototype
8112         for sequences.
8113         (get_formal_tmp_var): Same.
8114         (gimplify_type_sizes): Same.
8115         (gimplify_one_sizepos): Same.
8116         (gimplify_stmt): Same.
8117         (gimplify_and_add): Same.
8118         (gimplify_va_arg_expr): Same.
8119         * langhooks.h (lang_hooks): Same.
8120         * function.c (gimplify_parm_type): Adjust for sequences.
8121         (gimplify_parameters): Same.
8122         * c-gimplify.c (gimplify_compound_literal_expr): Same.
8123         (c_gimplify_expr): Same.
8124         * tree-flow.h (force_gimple_operand): Same.
8125         * c-common.h (c_gimplify_expr): Adjust prototype for sequences.
8126         * config/i386/i386.c (ix86_gimplify_va_arg): Adjust for sequences.
8127         Change call to append_to_statement_list to gimplify_and_add.
8128         Add parameter to gimplify_expr.
8129
8130 2007-05-04  Aldy Hernandez  <aldyh@redhat.com>
8131
8132         * gimple-ir.c (gs_code_name): Constify.
8133         (gs_build_assign): New.
8134         (gimple_statement_structure): Abstract code out to...
8135         (gss_for_assign): ...here.
8136         (gs_add): Set the last item correctly.
8137         * gimple-ir.h (GS_LOCUS_EMPTY_P): New.
8138         (GS_SEQ_INIT): Add a cast.
8139         (gimple_statement_base): Make code a gs_code enum.
8140         (gimple_statement_with_ops): Remove address_taken.
8141         (GS_ASSIGN_BINARY_LHS): New.
8142         (GS_ASSIGN_BINARY_RHS1): New.
8143         (GS_ASSIGN_BINARY_RHS2): New.
8144         (GS_ASSIGN_UNARY_REG_LHS): New.
8145         (GS_ASSIGN_UNARY_REG_RHS): New.
8146         (GS_ASSIGN_UNARY_MEM_LHS): New.
8147         (GS_ASSIGN_UNARY_MEM_RHS): New.
8148         (gs_seq_append): New.
8149         Move gs_seq typedef to...
8150         * coretypes.h: ...here.
8151         * gimple-iterator.h (gsi_stmt_ptr): Add FIXME note.
8152
8153 2007-05-04  Aldy Hernandez  <aldyh@redhat.com>
8154
8155         * tree.h (std_gimplify_va_arg_expr): Change tree * to a sequence
8156         in prototype.
8157         (gimplify_parameters): Return a sequence.
8158         * target.h (gimplify_va_arg_expr): Change tree * to a sequence.
8159         * builtins.c (std_gimplify_va_arg_expr): Same.
8160         Pass additional argument to gimplify_expr.
8161         (gimplify_va_arg_expr): Change tree * to a sequence.
8162         Change append_to_statement_list call to gimplify_and_add.
8163         Pass additional argument to gimplify_expr calls.
8164
8165 2007-05-04  Aldy Hernandez  <aldyh@redhat.com>
8166
8167         * tree-pretty-print.c (do_gs_niy): New.
8168         (debug_gimple_stmt): New.
8169         (debug_gimple_seq): New.
8170         (print_gimple_stmt): New.
8171         (dump_gimple_stmt): New.
8172         * diagnostic.h: Add prototypes for dump_gimple_stmt,
8173         print_gimple_stmt, debug_gimple_stmt, debug_gimple_seq.
8174
8175 2007-04-26  Aldy Hernandez  <aldyh@redhat.com>
8176
8177         * tree-gimple.h (annotate_all_with_locus): First argument is now a
8178         sequence.
8179         * gimple-ir.h (GS_LOCUS): New.
8180         (gimple_statement_base): Locus is of type location_t.
8181         * gimplify.c (internal_get_tmp_var): Use sequences.
8182         (should_carry_locus_p): Adjust for gimple ir.
8183         (annotate_one_with_locus): Same.
8184         (annotate_all_with_locus): Same.
8185         (gimplify_stmt): Adjust for sequences.
8186         (gimplify_expr): Same.
8187
8188 2007-04-25  Aldy Hernandez  <aldyh@redhat.com>
8189
8190         * gimple-ir.h (GS_SEQ_EMPTY_P): New.
8191         Move gs_build_return, gs_add, and gimple_statement_structure
8192         prototypes.
8193         (gs_assign_operand): Fix typos in gss.
8194         Include gimple-iterator.h.
8195         * Makefile.in (GIMPLE_IR_H): Add gimple-iterator.h.
8196         (TREE_GIMPLE_H): Same.
8197
8198 2007-04-25  Aldy Hernandez  <aldyh@redhat.com>
8199
8200         * gimple-iterator.h (gsi_one_before_end_p): Use GS_SEQ_LAST.
8201
8202 2007-04-25  Aldy Hernandez  <aldyh@redhat.com>
8203
8204         * gimple-iterator.h: New file.
8205
8206 2007-04-23  Aldy Hernandez  <aldyh@redhat.com>
8207
8208         * gimple-ir.c: New file.
8209         * gimple-ir.h: New file.
8210         * gsstruct.def: New file.
8211         * gs.def: New file.
8212         * gengtype.c (open_base_files): Add gimple-ir.h.
8213         * tree-gimple.h: Include gimple-ir.h.
8214         Add sequence to gimplify_expr and gimplify_body prototypes.
8215         * gimplify.c: Include gimple-ir.h.
8216         (gimplify_and_add): Adjust for gimple IR.
8217         (gimplify_return_expr): Same.
8218         (gimplify_stmt): Add seq_p argument.
8219         (gimplify_expr): Add seq_p sequence and adjust accordingly.
8220         (gimplify_body): Same.
8221         * coretypes.h: Add gimple_statement_d and gimple definitions.
8222         * Makefile.in (GIMPLE_IR_H): New.
8223         (TREE_GIMPLE_H): Add gimple-ir.h.
8224         (OBJS-common): Add gimple-ir.o.
8225         (gimplify.o): Add GIMPLE_IR_H.
8226         (gimple-ir.o): New.
8227         (build/gencheck.o): Add gs.def.
8228
8229 Local Variables:
8230 mode: change-log
8231 End: