+2005-05-03 Richard Henderson <rth@redhat.com>
+
+ * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Fix ALL_REGS and
+ SPEC_OR_GEN_REGS definitions.
+
+2005-05-03 Alexandre Oliva <aoliva@redhat.com>
+
+ PR target/16888
+ * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Clear reg names
+ for unavailable registers.
+
+2005-05-03 Kazu Hirata <kazu@cs.umass.edu>
+
+ * tree-cfg.c (tree_forwarder_block_p): Fix a typo.
+
+ * cfglayout.c (block_locators_blocks,
+ insn_locators_initialize, insn_scope): Use VEC instead of
+ VARRAY.
+
+ * tree-mudflap.c (deferred_static_decls, mudflap_enqueue_decl,
+ mudflap_finish_file, mudflap_finish_file): Use VEC instead of
+ VARRAY.
+
+2005-05-03 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ * config/sparc/predicates.md (const_compl_high_operand): New.
+ * config/sparc/sparc.c (sparc_emit_set_safe_HIGH64): Rename into
+ gen_safe_HIGH64.
+ (sparc_emit_set_const64_quick1): Adjust for above change.
+ (sparc_emit_set_const64_quick2): Likewise.
+ (sparc_emit_set_const64_longway): Likewise.
+ (sparc_emit_set_const64): Likewise.
+ * config/sparc/sparc.md (movhi_const64_special, movsi_const64_special,
+ movdi_const64_special): Delete.
+ (logical constant splitters): Use const_compl_high_operand.
+
+2005-05-03 Richard Guenther <rguenth@gcc.gnu.org>
+
+ * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Use STRIP_TYPE_NOPS
+ rather than STRIP_NOPS.
+
+2005-05-03 Jakub Jelinek <jakub@redhat.com>
+
+ PR rtl-optimization/21330
+ * loop-unswitch.c (may_unswitch_on): Set *cinsn only when
+ returning non-NULL.
+ (unswitch_single_loop): Clear cinsn when retrying.
+
+ PR target/21297
+ * config/i386/i386.c (legitimize_address): When canonicalizing
+ ASHIFT into MULT, multiply by 1 << shift_count instead of
+ 1 << log2 (shift_count).
+
+2005-05-03 Andrew MacLeod <amacleod@redhat.com>
+
+ * lambda-code.c (gcc_loop_to_lambda_loop,
+ lambda_loopnest_to_gcc_loopnest, phi_loop_edge_uses_def,
+ stmt_is_bumper_for_loop, perfect_nest_p, replace_uses_of_x_with_y): Use
+ generic operand interface.
+ * tree-data-ref.c (find_data_references_in_loop): Use generic interface.
+ * tree-dfa.c (collect_dfa_stats_r, mark_new_vars_to_rename): Use
+ generic operand interface.
+ * tree-flow-inline.h (delink_imm_use, link_imm_use_to_list,
+ link_imm_use, link_imm_use_stmt, relink_imm_use, relink_imm_use_stmt,
+ next_safe_imm_use, has_zero_uses, has_single_use, single_imm_use,
+ num_imm_uses): Use ssa_use_operand_t.
+ (get_def_ops, get_use_ops, get_v_may_def_ops, get_vuse_ops,
+ get_v_must_def_ops): Delete.
+ (get_def_from_ptr, get_phi_result_ptr): Get def directly now.
+ (get_use_op_ptr, get_def_op_ptr, get_v_may_def_result_ptr,
+ get_v_may_def_op_ptr, get_vuse_op_ptr, get_v_must_def_result_ptr,
+ get_v_must_def_kill_ptr): Delete.
+ (delink_stmt_imm_use): Move and use new operand interface.
+ (op_iter_next_use, op_iter_next_def, op_iter_next_tree, op_iter_init,
+ op_iter_next_tree): Use new operand implementation.
+ (clear_and_done_ssa_iter): New. Initialize a blank operand iterator.
+ (op_iter_init_use, op_iter_init_def, op_iter_init_tree): Add iterator
+ type check.
+ (op_iter_next_mustdef, op_iter_next_maydef,
+ op_iter_next_must_and_may_def): Delete. Replace with...
+ (op_iter_next_maymustdef): New. Combine must and may next operations.
+ (op_iter_init_maydef, op_iter_init_mustdef,
+ op_iter_init_must_and_may_def): Use new interface.
+ (single_ssa_tree_operand ): New. Process single operands only as trees.
+ (single_ssa_use_operand): New. Process single operands only as uses.
+ (single_ssa_def_operand): New. Process single operands only as defs.
+ (zero_ssa_operands): New. Return TRUE if there are zero operands of the
+ specified types.
+ (num_ssa_operands): New. Count the number of specified operands.
+ (compare_ssa_operands_equal): New. Compare two statements' operands.
+ (single_phi_def): New. Return true if PHI has one def of the specified
+ operand type.
+ (op_iter_init_phiuse): New. Initialize the iterator for PHI arguments.
+ (op_iter_init_phidef): New. Initialize the iterator for the PHI def.
+ * tree-flow.h (struct immediate_use_iterator_d): Use ssa_use_operand_t.
+ (struct stmt_ann_d): Operands field no longer require GTY().
+ (vn_compute, vn_lookup_or_add, vn_add, vn_lookup): Change prototype.
+ * tree-into-ssa.c (mark_def_sites): Use SSA_OP_VMUSTKILL.
+ * tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb,
+ dump_replaceable_exprs, rewrite_trees): Use generic interface.
+ * tree-phinodes.c (make_phi_node, release_phi_node, resize_phi_node):
+ Use use_operand_p instead of ssa_imm_use_t *.
+ * tree-pretty-print.c (dump_vops): check if operands are active before
+ dumping virtual operands.
+ * tree-sra.c (sra_walk_function): Use ZERO_SSA_OPERANDS.
+ * tree-ssa-ccp.c (likely_value): Use ZERO_SSA_OPERANDS.
+ (ccp_fold): Use new interface.
+ (ccp_visit_stmt): Remove unused variables and code.
+ (convert_to_gimple_builtin): Insert statements before calling
+ mark_new_vars_to_rename.
+ * tree-ssa-copy.c (stmt_may_generate_copy): Use ZERO_SSA_OPERANDS.
+ (copy_prop_visit_cond_stmt): Use generic interface.
+ * tree-ssa-dom.c (struct expr_hash_elt): Use stmt pointer, not the
+ annotation in table.
+ (thread_across_edge): Use generic interface.
+ (initialize_hash_element): Initialzie with stmt, not annotation.
+ (eliminate_redundant_computations): Use generic interface.
+ (record_equivalences_from_stmt): Pass stmt, not annotation.
+ (avail_expr_hash, real_avail_expr_hash, avail_expr_eq): Use generic
+ interface.
+ * tree-ssa-dse.c (dse_optimize_stmt): Use ZERO_SSA_OPERANDS.
+ * tree-ssa-loop-ivopts.c (find_invariants_stmt,
+ find_interesting_uses_stmt, protect_loop_closed_ssa_form_use): Use
+ generic operand interface.
+ * tree-ssa-loop-niter.c (chain_of_csts_start, get_val_for): Use generic
+ interface.
+ * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Use Generic operand
+ Interface.
+ * tree-ssa-operands.c (struct opbuild_list_d): New. Operand build type.
+ (build_defs, build_uses, build_v_may_defs, build_vuses,
+ build_v_must_defs): Change type to struct opbuild_list_d.
+ (ops_active): New. Operands active boolean.
+ (operand_memory, operand_memory_index): New. Operand memory managers.
+ (allocate_def_optype, allocate_use_optype, allocate_v_may_def_optype,
+ allocate_vuse_optype, allocate_v_must_def_optype): Delete.
+ (free_uses, free_defs, free_vuses, free_v_may_defs, free_v_must_defs):
+ Change from functions to static variable list heads.
+ (opbuild_initialize_virtual): New. Initialize a virtual build list.
+ (opbuild_initialize_real): New. Initialize a virtual build list.
+ (opbuild_free): New. Free a build list.
+ (opbuild_num_elems): New. Number of items in a list.
+ (opbuild_append_real): New. Add a real (tree *) operand.
+ (opbuild_append_virtual): New. Add and sort a virtual (tree) operand.
+ (opbuild_first): New. Return first element index in a list.
+ (opbuild_next): New. Return next element in a list.
+ (opbuild_elem_real): New. Return real element.
+ (opbuild_elem_virtual): New. Return virtual element.
+ (opbuild_elem_uid): New. Return UID of virtual element.
+ (opbuild_clear): New. Reset an operand list.
+ (opbuild_remove_elem): New. Remove an element form a list.
+ (ssa_operands_active): New. Return true if operand cache is active.
+ (init_ssa_operands, fini_ssa_operands): Initialize new implementation.
+ (ssa_operand_alloc): New. Allocate memory from an operand chunk.
+ (correct_use_link): Use use_operand_p.
+ (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_defs,
+ finalize_ssa_vuses, finalize_ssa_v_must_defs): New implmentation.
+ (cleanup_v_may_defs): Use new implmentation.
+ (finalize_ssa_stmt_operands, start_ssa_stmt_operands): New
+ implementation.
+ (append_def, append_use, append_v_may_def, append_vuse,
+ append_v_must_def): Call opbuild_append routine instead of using varray.
+ (build_ssa_operands): Simplify to simply use stmt, don't maintain a
+ global parse_old_ops variable.
+ (free_ssa_operands): New implementation.
+ (update_stmt_operands): Move. Change argument to build_ssa_operands.
+ (copy_virtual_operands): Move. New generic implementation.
+ (create_ssa_artficial_load_stmt): Move. New implementation.
+ (swap_tree_operands): Update for new implementation.
+ (get_expr_operands): Add stmt parameter to calls to swap_tree_operands.
+ (add_call_clobber_ops, add_call_read_ops): Initialize opbuild list
+ rather than a varray.
+ (verify_imm_links): Use use_operand_p.
+ (dump_immediate_uses_for): If the immediate use variable is a virtual
+ variable, show the virtual ops in the stmt.
+ * tree-ssa-operands.h (def_operand_p): No longer a structure.
+ (NULL_DEF_OPERAND_P): Now a #define.
+ (def_optype_d, use_optype_d, v_def_use_operand_type, v_may_def_optype_d,
+ vuse_operand_type, vuse_optype_d, v_must_def_optype_d): Delete.
+ (def_optype_d, use_optype_d, maydef_optype_d, vuse_optype_d,
+ mustdef_optype_d): New. Use Linked list representation.
+ (SSA_OPERAND_MEMORY_SIZE): New. Size of operand memory chunk.
+ (struct ssa_operand_memory_d): New. Allocated Chunk node.
+ (struct stmt_operands_d): Change to new pointers that are not GTY.
+ (STMT_USE_OPS, NUM_USES, SET_USE_OP, STMT_DEF_OPS, NUM_DEFS, SET_DEF_OP,
+ STMT_V_MAY_DEF_OPS, NUM_V_MAY_DEFS, SET_V_MAY_DEF_RESULT,
+ SET_V_MAY_DEF_OP, STMT_VUSE_OPS, NUM_VUSES, SET_VUSE_OP,
+ STMT_V_MUST_DEF_OPS, NUM_V_MUST_DEFS, SET_V_MUST_DEF_RESULT,
+ SET_V_MUST_DEF_KILL): Delete.
+ (V_MAY_DEF_OPS, V_MAY_DEF_RESULT_PTR, V_MAY_DEF_RESULT,
+ V_MAY_DEF_OP_PTR, V_MAY_DEF_OP): Rename to MAYDEF_*.
+ (V_MUST_DEF_OPS, V_MUST_DEF_RESULT_PTR, V_MUST_DEF_RESULT,
+ V_MUST_DEF_KILL_PTR, V_MUST_DEF_KILL): Rename to MUSTDEF_*.
+ (enum ssa_op_iter_type): Operand iterator typechecking values.
+ (struct ssa_operand_iterator_d): Use linked lists of operands.
+ (SSA_OP_VMUSTDEFKILL): Rename to SSA_OP_VMUSTKILL.
+ (FOR_EACH_SSA_MAYDEF_OPERAND, FOR_EACH_SSA_MUSTDEF_OPERAND,
+ FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): Use op_iter_next_maymustdef.
+ (FOR_EACH_PHI_ARG): New. Iterate over PHI arguments.
+ (FOR_EACH_PHI_OR_STMT_USE): New. Iterate over PHI or stmt uses.
+ (FOR_EACH_PHI_OR_STMT_DEF): New. Iterate over PHI or stmt defs.
+ (SINGLE_SSA_TREE_OPERAND, SINGLE_SSA_USE_OPERAND,
+ SINGLE_SSA_DEF_OPERAND, ZERO_SSA_OPERANDS, NUM_SSA_OPERANDS): New.
+ * tree-ssa-opfinalize.h: New. Function templates for expansion.
+ (FINALIZE_ALLOC): Expands into alloc_def, alloc_use, alloc_maydef,
+ alloc_vuse, and alloc_mustdef.
+ (FINALIZE_FUNC): Expands into finalize_ssa_def_ops,
+ finalize_ssa_use_ops, finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
+ and finalize_ssa_v_must_def_ops.
+ * tree-ssa-pre.c (add_to_sets): Pass tree to vn_add.
+ (create_value_expr_from): Use stmt not vuse_optype as a parameter. Pass
+ stmt around.
+ (compute_avail): Use generic iterator interface.
+ * tree-ssa-propagate.c (first_vdef): Use generic operand interface.
+ (stmt_makes_single_load, stmt_makes_single_store): Use
+ ZERO_SSA_OPERANDS.
+ * tree-ssa-sink.c (is_hidden_global_store): Use ZERO_SSA_OPERANDS.
+ (statement_sink_location): Use generic interface.
+ * tree-ssa.c (verify_ssa): Use %p in fprintf. Use generic interface.
+ (delete_tree_ssa): Don't call release_defs. Call release_ssa_name and
+ reset the immediate use link nodes.
+ (stmt_references_memory_p): Use ZERO_SSA_OPERANDS.
+ * tree-ssanames.c (make_ssa_name): Use use_operand_p.
+ * tree-tailcall.c (find_tail_calls): Use ZERO_SSA_OPERANDS.
+ (eliminate_tail_call): Use generic operand interface.
+ * tree-vect-analyze.c (vect_analyze_data_refs): Use ZERO_SSA_OPERANDS.
+ (vect_mark_relevant, vect_mark_stmts_to_be_vectorized): Use generic
+ interface.
+ * tree-vect-transform.c (update_vuses_to_preheader): Use generic
+ interface.
+ * tree-vectorizer.c (rename_variables_in_bb): Use generic interface.
+ * tree-vn.c (struct val_expr_pair_d): Cache statment pointer instead of
+ vuse_optype.
+ (vn_compute, val_expr_pair_hash, vn_add, vn_lookup, vn_lookup_or_add):
+ Use statement pointer instead of vuse_optype. Use generic interface.
+ * tree-vrp.c (maybe_add_assert_expr): Use generic interface.
+ (stmt_interesting_for_vrp, vrp_visit_stmt): Use ZERO_SSA_OPERANDS.
+ * tree.h (struct ssa_imm_use_d): Renamed to ssa_use_operand_d.
+ (tree_ssa_name, phi_arg_d): Use ssa_use_operand_d.
+ * doc/tree-ssa.texi: Update documentation for operand interface.
+
+2005-05-03 Nathan Sidwell <nathan@codesourcery.com>
+
+ * config/darwin.c (machopic_define_symbol): Use gcc_assert or
+ gcc_unreachable as appropriate.
+ (machopic_function_base_name, machopic_indirect_data_reference,
+ machopic_legitimize_pic_address, darwin_non_lazy_pcrel): Likewise.
+ * config/host-darwin.c (darwin_gt_pch_use_address): Likewise
+ * config/rs6000/altivec.md (*mov<mode>_internal,
+ build_vector_mask_for_load): Likewise.
+ * config/rs6000/darwin.md (movdf_low_si, movdf_low_di,
+ *call_nonlocal_darwin64, *call_value_nonlocal_darwin64,
+ *sibcall_symbolic_64, *sibcall_value_symbolic_64): Likewise.
+ * config/rs6000/predicates.md (easy_fp_constant,
+ logical_operand): Likewise.
+ * config/rs6000/rs6000.c (spe_expand_predicate_builtin,
+ compute_save_world_info, rs6000_emit_prologue,
+ rs6000_output_mi_thunk): Reword comments to avoid 'abort'.
+ * config/rs6000/host-darwin.c (segv_handler): Use fancy_abort
+ directly.
+
+2005-05-03 Uros Bizjak <uros@kss-loka.si>
+
+ PR middle-end/21282
+ * convert.c (convert_to_integer): Convert ceil and floor in
+ c99 mode only.
+
+2005-04-29 Geoffrey Keating <geoffk@apple.com>
+
+ PR target/20813
+ * config/rs6000/rs6000.md (floatsidf2_internal): Merge to create
+ define_insn_and_split. Split only when memory operand is
+ offsettable. Use adjust_address rather than plus_constant.
+ (floatunssidf2_internal): Likewise.
+ (fix_truncdfsi2_internal): Split only when memory operand is
+ offsettable. Use adjust_address rather than plus_constant.
+ (fix_trunctfsi2_internal): Likewise.
+ (floatsidf2_internal): Likewise.
+
+2005-05-02 Diego Novillo <dnovillo@redhat.com>
+
+ * tree-vrp.c (set_value_range_to_nonnull): Declare inline.
+ (set_value_range_to_null): Likewise.
+ (set_value_range_to_varying): New function. Use it in all
+ call sites that used to call set_value_range (vr, VR_VARYING, ...).
+ (extract_range_from_assert): If the integral type has a
+ super-type, and LIMIT is not within MIN and MAX values of that
+ type, set the resulting range to VR_VARYING.
+
+2005-05-02 Hans-Peter Nilsson <hp@bitrange.com>
+
+ * config/mmix/mmix.opt: New file.
+ * config/mmix/mmix.h: Move options-related comments to mmix.opt.
+ (mmix_cc1_ignored_option): Don't declare.
+ (TARGET_OPTIONS, TARGET_MASK_LIBFUNCS, TARGET_MASK_ABI_GNU)
+ (TARGET_MASK_FCMP_EPSILON, TARGET_MASK_ZERO_EXTEND)
+ (TARGET_MASK_KNUTH_DIVISION, TARGET_MASK_TOPLEVEL_SYMBOLS)
+ (TARGET_MASK_BRANCH_PREDICT, TARGET_MASK_USE_RETURN_INSN)
+ (TARGET_MASK_BASE_ADDRESSES, TARGET_LIBFUNC, TARGET_ABI_GNU,
+ (TARGET_FCMP_EPSILON, TARGET_ZERO_EXTEND, TARGET_KNUTH_DIVISION)
+ (TARGET_TOPLEVEL_SYMBOLS, TARGET_BRANCH_PREDICT)
+ (TARGET_BASE_ADDRESSES, TARGET_USE_RETURN_INSN, TARGET_SWITCHES):
+ Don't define.
+ (TARGET_DEFAULT): Change TARGET_MASK_... to MASK_...
+ * config/mmix/mmix.c (mmix_cc1_ignored_option): Remove.
+ (TARGET_DEFAULT_TARGET_FLAGS): Override default.
+
+2005-05-02 Joseph S. Myers <joseph@codesourcery.com>
+
+ PR c/15698
+ * c-tree.h (C_DECL_BUILTIN_PROTOTYPE): New.
+ * c-decl.c (current_function_prototype_built_in,
+ current_function_prototype_arg_types): New.
+ (merge_decls): Keep source location of prototype followed by
+ nonprototype declaration. Update C_DECL_BUILTIN_PROTOTYPE.
+ (builtin_function): Set C_DECL_BUILTIN_PROTOTYPE.
+ (start_function): Always set current_function_prototype_locus,
+ current_function_prototype_built_in and
+ current_function_prototype_arg_types. Check for external
+ prototype whether or not visible for external function and set
+ current_function_prototype_arg_types accordingly.
+ (store_parm_decls_oldstyle): Use
+ current_function_prototype_arg_types for checking old-style
+ definition against prototype. Give warnings only if
+ current_function_prototype_built_in).
+
2005-05-02 Daniel Jacobowitz <dan@codesourcery.com>
* ggc.h (ggc_alloc_zone_pass_stat): New macro.
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