+2005-12-18 Steven Bosscher <stevenb@suse.de>
+
+ * gcse.c (gcse_main, bypass_jumps): Fix non-GNU-isms from
+ the 2005-12-17 patch to renumber the entry and exit blocks.
+
+2005-12-18 Gabriel Dos Reis <gdr@integrable-solutions.net>
+
+ * doc/objc.texi (Type encoding): Fix typo.
+
+2005-12-17 Gabriel Dos Reis <gdr@integrable-solutions.net>
+
+ * tree-tailcall.c (find_tail_calls): Use XNEW.
+ * tree-ssa-dom.c (allocate_edge_info): Use XCNEW.
+ (free_all_edge_infos): Use explicit cast to convert from void *.
+ (vrp_free): Likewise.
+ (dom_opt_finalize_block): Likewise.
+ (record_equivalences_from_incoming_edge): Likewise.
+ (thread_across_edge): Likewise. Use XCNEWVEC.
+ (record_cond): Use XCNEW.
+ (record_conditions): Use XNEWVEC.
+ (record_edge_info): Use XCNEWVEC.
+ (lookup_avail_expr): Use XNEW.
+ (record_range): Likewise. Use GGC_NEW.
+ * tree-nested.c (var_map_hash): Use explicit cast to convert from
+ void *.
+ (var_map_eq): Likewise.
+ (lookup_field_for_decl): Likewise.
+ (convert_nonlocal_reference): Likewise.
+ (convert_local_reference): Likewise.
+ (convert_nl_goto_reference): Likewise.
+ (convert_nl_goto_receiver): Likewise.
+ (convert_call_expr): Likewise.
+ (convert_tramp_reference): Likewise.
+ (lookup_tramp_for_decl): Likewise.Use GGC_NEW.
+ (convert_nl_goto_reference): Likewise.
+ (lookup_field_for_decl): Use GGC_NEW.
+ (create_nesting_tree): Use GGC_CNEW.
+ * tree-ssa-phiopt.c (blocks_in_phiopt_order): Use XNEWVEC.
+ * tree-ssa-alias.c (init_alias_info): Use XCNEW.
+ (create_alias_map_for): Likewise.
+ (setup_pointers_and_addressables): Use XCNEWVEC.
+ (get_ptr_info): Use GGC_NEW.
+ (used_part_map_eq): Use explicit cast to convert from void *.
+ (up_lookup): Likewise.
+ (up_insert): Use XNEW.
+ (get_or_create_used_part_for): Use XCNEW.
+ (get_tmt_for): Likewise.
+ * tree-ssa-operands.c (ssa_operand_alloc): Use GGC_NEW.
+ * tree-ssa-pre.c (phi_trans_add): Use XNEW.
+ (bitmap_set_new): Use explicit cast to convert from void *.
+ (set_new): Likewise.
+ (insert_into_set): Likewise.
+ (pool_copy_list): Likewise.
+ (phi_translate): Likewise.
+ (create_value_expr_from): Likewise.
+ (insert_aux): Use XCNEWVEC.
+ (compute_avail): Use XNEWVEC.
+ * tree-ssa-live.c (calculate_live_on_entry): Likewise.
+ (sort_coalesce_list): Likewise.
+ (build_tree_conflict_graph): Use XCNEWVEC.
+ * tree-ssa-dce.c (tree_dce_init): Use XNEWVEC.
+ * tree-ssa-copy.c (init_copy_prop): Likewise.
+ (fini_copy_prop): Likewise.
+ * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use XNEW
+ and XCNEWVEC.
+ (record_equiv): Use XNEW.
+ (uncprop_into_successor_phis): Use explicit cast to convert from
+ void *.
+ (uncprop_initialize_block): Likewise.
+
+2005-12-18 Dorit Nuzman <dorit@il.ibm.com>
+
+ PR tree-optimization/24378
+ * tree-vect-transform.c (vect_transform_loop): Create single-predecessor
+ basic-block after loop-versioning.
+
+2005-12-18 Jeff Law <law@redhat.com>
+
+ * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Code
+ to simplify SWITCH_EXPR_CODE moved from here to ...
+ * tree-ssa-forwprop.c (simplify_switch_expr): Here.
+ (tree-ssa-forward_propagate_single_use_vars): Call
+ simplify_switch_expr when appropriate.
+
+2005-12-17 Andrew Pinski <pinskia@physics.uc.edu>
+
+ * doc/objc.texi (Type encoding): Add documentation about encoding
+ complex types and _Bool.
+
+2005-12-17 Paul Brook <paul@codesourcery.com>
+
+ * config/m68k/m68k.md (m68k_output_function_prologue): Always call
+ dwarf2out_def_cfa. Only add space for frame pointer to cfa_offset
+ when frame_pointer_needed.
+
+2005-12-17 Gabriel Dos Reis <gdr@integrable-solutions.net>
+
+ * tree-vn.c (vn_add): Use XNEW.
+ * tree-ssa-ccp.c (ccp_initialize): Use XNEWVEC.
+ (ccp_fold): Likewise.
+ (fold_stmt_r): Use explicit cast to convert from void *.
+ * tree-outof-ssa.c (new_temp_expr_table): Use XCNEWVEC.
+ (new_temp_expr_table): Likewise.
+ * gimplify.c (lookup_tmp_var): Use XNEW.
+ (gimplify_asm_expr): Use explcit cast to convert from void *.
+ * tree-into-ssa.c (get_ssa_name_ann): Likewise.
+ (get_def_blocks_for): Use XNEW.
+ (add_to_repl_tbl): Likewise.
+ (mark_def_sites): Use explicit cast to convert from void *.
+ (def_blocks_free): Likewise.
+ (mark_def_sites_initialize_block): Likewise.
+ (update_ssa): Use XNEWVEC.
+ * tree-dfa.c (create_var_ann): Use GGC_NEW.
+ (create_stmt_ann): Likewise.
+ (create_tree_ann): Likewise.
+ (referenced_var_insert): Likewise.
+ (set_default_def): Likewise.
+ (referenced_var_lookup_if_exists): Use explicit cast to convert
+ from void *.
+ (referenced_var_lookup): Likewise.
+ (default_def): Likewise.
+ (set_default_def): Likewise.
+ * tree-cfg.c (create_bb): Likewise.
+ (edge_to_cases_cleanup): Likewise.
+ (verify_node_sharing): Likewise.
+ (record_switch_edge): Use XNEW.
+ (cleanup_dead_labels): Use XCNEWVEC.
+ (tree_duplicate_sese_region): Use XNEWVEC.
+ * tree-scalar-evolution.c (get_instantiated_value): Likewise.
+ * tree-ssa.c (verify_ssa): Use XCNEWVEC.
+ (int_tree_map_eq): Use explicit cast to convert from void *.
+ * libgcov.c (gcov_exit): Use explicit cast to convert from void *.
+ (__gcov_execl): Likewise.
+ (__gcov_execlp): Likewise.
+ (__gcov_execle): Likewise.
+ * tree-eh.c (struct_ptr_eq): Likewise.
+ (struct_ptr_hash): Likewise.
+ (lookup_stmt_eh_region_fn): Likewise.
+ (outside_finally_tree): Likewise.
+ (find_goto_replacement): Likewise.
+ (make_eh_edge): Likewise.
+ (mark_eh_edge): Likewise.
+ (add_stmt_to_eh_region_fn): Use GGC_NEW.
+ (record_in_finally_tree): Use XNEW.
+ (maybe_record_in_goto_queue): Use XRESIZEVEC.
+ (lower_try_finally_copy): Use XCNEWVEC.
+
+2005-12-17 Gabriel Dos Reis <gdr@integrable-solutions.net>
+
+ * tree-inline.c (copy_body_r): Use explicit cast when converting
+ from void *.
+ (copy_bb): Likewise.
+ (copy_edges_for_bb): Likewise.
+ (remap_decl_1): Likewise.
+ (estimate_num_insns_1): Likewise.
+ * cgraph.c (hash_node): Use explicit cast when converting from
+ void *.
+ (eq_node): Likewise.
+ (cgraph_create_node): Use GGC_CNEW.
+ (cgraph_create_edge): Use GGC_NEW.
+ (cgraph_remove_node): Use explicit cast when converting from void *.
+ (hash_varpool_node): Likewise.
+ (eq_varpool_node): Likewise.
+ (cgraph_varpool_node): Use GGC_CNEW.
+ * lambda.h (lambda_vector_new): Use GGC_CNEWVEC.
+ * tree-scalar-evolution.c (new_scev_info_str): Use XNEW.
+ (eq_scev_info): Use explicit cast when converting from void *.
+ (find_var_scev_info): Likewise.
+ (set_instantiated_value): Likewise.
+ (gather_stats_on_scev_database_1): Likewise.
+ * cfgloop.h (simple_loop_desc): Use explicit cast when converting
+ from void *.
+ * c-pch.c (c_common_write_pch): Use XNEWVEC.
+ (c_common_read_pch): Likewise.
+ * prefix.c (save_string): Use XNEWVEC.
+ (translate_name): Use explicit cast when converting from void *.
+ * c-ppoutput.c (print_line): Use explicit cast when converting
+ from void *.
+ (pp_dir_change): Likewise.
+ * c-cppbuiltin.c (builtin_define_std): Likewise.
+ (builtin_define_with_value): Likewise.
+ (builtin_define_with_value_n): Likewise.
+ (builtin_define_with_int_value): Likewise.
+ (builtin_define_type_max): Likewise.
+ * c-incpath.c (add_env_var_paths): Use XNEWVEC.
+ (add_path): Use XNEW.
+ * c-format.c (check_format_info_main): Use GGC_NEW.
+ (format_type_warning): Use explicit cast when converting from void *.
+ * c-typeck.c (alloc_tagged_tu_seen_cache): Use XNEW instead of
+ xmalloc.
+ (start_init): Likewise.
+ * tree-flow-inline.h (first_referenced_var): Use explicit cast
+ when converting from void *.
+ (next_referenced_var): Likewise.
+ * c-pragma.c (push_alignment): Use GGC_NEW instead of ggc_alloc.
+ * gensupport.c (lookup_predicate): Use explicit cast to convert
+ from void *.
+ (init_predicate_table): Use XCNEW instead of xcalloc.
+ * genpreds.c (process_define_predicate): Likewise.
+
+2005-12-17 Danny Berlin <dberlin@dberlin.org>
+ Kenneth Zadeck <zadeck@naturalbridge.com>
+
+ * basic-block.h: Changed basic block numbering so that the entry
+ block is 0 and the exit block is 1. Changed insn iterators so
+ that they are tolerant of blocks with no insns.
+ * regrename.c (copyprop_hardreg_forward): Changed basic block
+ numbering so that the entry block is 0 and the exit block is 1.
+ * sched-ebb.c (sehedule_ebbs): Ditto.
+ * tracer.c (branch_ratio_cutoff): Ditto.
+ * cfgloopmanip.c (fix_loop_structure): Ditto.
+ * cfghooks.c (verify_flow_info): Ditto.
+ * cfg.c (compact_blocks): Ditto.
+ * reorg.c (dbr_schedule): Ditto.
+ * flow.c (calculate_global_regs_live, libcall_dead_p): Ditto.
+ * dominance.c (calc_dfs_tree_nonrec, calc_dfs_tree,
+ calculate_dominance_info): Ditto.
+ * cfganal.c (create_edge_list, print_edge_list,
+ flow_depth_first_order_compute, flow_dfs_compute_reverse_init,
+ flow_dfs_compute_reverse_add_bb, flow_dfs_compute_reverse_execute,
+ dfs_enumerate_from): Ditto.
+ * global.c (global_alloc, set_up_bb_rts_numbers): Ditto.
+ * ifcvt.c (find_if_case_2): Ditto.
+ * cfgbuild.c (control_flow_insn_p, count_basic_blocks,
+ find_basic_blocks): Ditto.
+ * predict.c (predict_loops, tree_bb_level_predictions,
+ predict_paths_leading_to, propagate_freq): Ditto.
+ * lcm.c (compute_antinout_edge, compute_laterin,
+ compute_available): Ditto.
+ * function.c (thread_prologue_and_epilogue_insns): Ditto.
+ * gcse.c (gcse_main, bypass_jumps): Ditto.
+ * profile.c (compute_branch_probabilities,
+ compute_value_histograms, branch_prob): Ditto.
+ * tree-flow-inline.h (bsi_start, bsi_after_labels,
+ bsi_last): Ditto.
+ * tree-ssa-phiopt.c (tree_ssa_phiopt,
+ blocks_in_phiopt_order): Ditto.
+ * bt-load.c (compute_defs_uses_and_gen, compute_kill,
+ compute_out, link_btr_uses, migrate_btr_defs): Ditto.
+ * tree-dfa.c (collect_dfa_stats): Ditto.
+ * cfgcleanup.c (try_forward_edges, try_optimize_cfg): Ditto.
+ * cfglayout.c (fixup_reorder_chain): Ditto.
+ * bb-reorder.c (reorder_basic_blocks, duplicate_computed_gotos,
+ partition_hot_cold_basic_blocks): Ditto.
+ * var-tracking.c (vt_find_locations): Ditto.
+ * cfgloop.c (flow_loops_cfg_dump, flow_loops_find, get_loop_body): Ditto.
+ * sched-rgn.c (compute_trg_info, init_regions, schedule_insns): Ditto.
+ * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, make_edges
+ label_to_block_fn, print_loop_ir, tree_flow_call_edges_add): Ditto.
+ * tree-ssa-reassoc.c (init_reassoc): Ditto.
+ * cfgrtl.c (entry_of_function, rtl_verify_flow_info,
+ rtl_flow_call_edges_add, rtl_flow_call_edges_add): Ditto.
+ * df.c (df_analyze_1, hybrid_search, iterative_dataflow): Ditto
+ and removed unused reverse orders.
+ * df.h (): Ditto.
+ * combine.c: Fix document typo.
+
+2005-12-17 Jan Hubicka <jh@suse.cz>
+
+ * tree-flow-inline.h (set_default_def, default_def): Kill.
+ * tree-dfa.c (default_defs): New global variable.
+ (default_def, set_default_def): New functions.
+ * tree-ssa.c (init_tree_ssa, delete_tree_ssa): Add default_def hash.
+ * tree-flow.h (struct var_ann_d): Kill default_def field.
+ (set_default_def, default_def): Update prototype.
+ (default_defs): Declare.
+
+2005-12-16 Jeff Law <law@redhat.com>
+
+ * tree-ssa-dom.c (update_rhs_and_lookup_avail_expr): Kill.
+ (simplify_rhs_and_lookup_avail_expr): Kill. Remnants moved
+ into tree-ssa-forwprop.c.
+ (eliminate_redundant_computations): Do not call
+ simplify_rhs_and_lookup_avail_expr anymore.
+ * tree-ssa-forwprop.c (simplify_not_neg_expr): New function
+ extracted from remnants of simplify_rhs_and_lookup_avail_expr.
+ (tree_ssa_forward_propagate_single_use_vars): Call
+ simplify_not_neg_expr appropriately.
+
+2005-12-16 Bernd Trog <berndtrog@yahoo.com>
+
+ PR target/20016
+ * config/avr/t-avr: Add -Os to TARGET_LIBGCC2_CFLAGS.
+
+2005-12-17 Kazu Hirata <kazu@codesourcery.com>
+
+ PR rtl-optimization/25456
+ * struct-equiv.c (struct_equiv_improve_checkpoint): Replace
+ info->x_start with p->x_start.
+
+2005-12-17 Alan Modra <amodra@bigpond.net.au>
+
+ * simplify-rtx.c (simplify_binary_operation_1 <IOR>): Correct bug
+ introduced 2005-12-16.
+
+2005-12-16 Steven Bosscher <stevenb@suse.de>
+
+ PR rtl-optimization/23837
+ * optabs.c (expand_binop): For a multi-word rotate, never emit
+ a REG_NO_CONFLICT block.
+
+2005-12-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ PR middle-end/25457
+ * reorg.c (mostly_true_jump): Remove unused variable 'insn'.
+
+ PR target/25447
+ * config/pa/pa.c (pa_scalar_mode_supported_p): Handle
+ MODE_DECIMAL_FLOAT.
+
+2005-12-16 Steven Bosscher <stevenb@suse.de>
+
+ * loop-invariant.c (move_loop_invariants): Add missing hunk from
+ the previous patch, to nullify df.
+
+2005-12-16 Steven Bosscher <stevenb@suse.de>
+
+ * reorg.c (mostly_true_jump): Clean up code depending on
+ LABEL_OUTSIDE_LOOP_P and loop notes. Remove code doing
+ poor man's branch prediction, instead rely on REG_BR_PROB
+ notes to be available.
+
+2005-12-16 Jakub Jelinek <jakub@redhat.com>
+
+ PR rtl-optimization/24899
+ * loop.c (strength_reduce): Don't reduce giv that is not always
+ computable and where add_val or mult_val can trap.
+
+ * doc/invoke.texi (-fdump-tree-*): Remove note about C/C++ only.
+
+2005-12-16 Nathan Sidwell <nathan@codesourcery.com>
+
+ * config/mt/mt.h (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Correct
+ names of ms1-16-002 files.
+
+2005-12-16 Alan Modra <amodra@bigpond.net.au>
+
+ PR driver/20425
+ * gcc.c (for_each_path): New function.
+ (add_to_obstack, file_at_path): New functions.
+ (struct file_at_path_info, struct add_to_obstack_info): New.
+ (build_search_list): Rewrite using for_each_path. Constify struct
+ path_prefix pointer. Add do_multi param. Adjust all callers.
+ (find_a_file): Similarly, but just change existing param to bool.
+ (putenv_from_prefixes): Add do_multi param, make "paths" const.
+ (do_spec_path): Delete.
+ (struct spec_path_info): New.
+ (spec_path): New function.
+ (do_spec_1): Use for_each_path for %D and %I.
+ (find_file): Adjust for find_a_file changes.
+ (main): Search multilibs for specs. Print multilib lib path for
+ -print-search-dirs. Likewise add multilibs to LIBRARY_PATH_ENV.
+ (read_specs): Search multilibs for %include and %include_noerr.
+ (is_directory): Remove second string param. Change last param
+ to a bool. Don't use concat. Remove SMALL_ARG_MAX test, always
+ check path is a dir. Update all callers.
+ * doc/hostconfig.texi (SMALL_ARG_MAX): Remove mention.
+ * system.h (SMALL_ARG_MAX): Poison.
+ * config.gcc: Don't define SMALL_ARG_MAX.
+ * config.host: Likewise.
+ * config.build: Likewise.
+
+2005-12-16 Paolo Bonzini <bonzini@gnu.org>
+
+ * combine.c (combine_simplify_rtx <case NOT, NEG, TRUNCATE,
+ FLOAT_TRUNCATE, FLOAT_EXTEND, PLUS, MINUS, AND, IOR, XOR,
+ ABS, VEC_SELECT, POPCOUNT, PARITY, FFS, FLOAT>,
+ simplify_logical): Move simplifications that do not require
+ additional infrastructure...
+ * simplify-rtx.c (simplify_unary_operation_1,
+ simplify_binary_operation_1): ... here.
+
+2005-12-16 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ PR 24823
+ * flow.c (mark_used_dest_regs): New function.
+ (mark_used_regs): Call mark_used_dest_regs.
+
+2005-12-16 Jeff Law <law@redhat.com>
+
+ * tree-ssa-dse.c (dse_optimize_stmt): Correctly handle PHI nodes which
+ represent a use and definition of the same SSA_NAME.
+
+2005-12-16 Jon Grimm <jgrimm2@us.ibm.com>
+ Janis Johnson <janis187@us.ibm.com>
+ Ben Elliston <bje@au.ibm.com>
+
+ * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): New.
+ (TARGET_INITIALIZER): Add TARGET_DECIMAL_FLOAT_P.
+ * target.h (struct gcc_target): Add decimal_float_supported_p.
+ * targhooks.c (default_scalar_mode_supported_p): Handle
+ MODE_DECIMAL_FLOAT.
+ * builtins.def: Add new builtins for 32, 64 and 128 bit variants
+ of inf, nan, finite, isinf and isnan.
+ * builtin-types.def (BT_DFLOAT32, BT_DFLOAT64, BT_DFLOAT128,
+ BT_DFLOAT32_PTR, BT_DFLOAT64_PTR, BT_DFLOAT128_PTR,
+ BT_FN_DFLOAT32, BT_FN_DFLOAT64, BT_FN_DFLOAT128,
+ BT_FN_INT_DFLOAT32, BT_FN_INT_DFLOAT64, BT_FN_INT_DFLOAT128,
+ BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT64_CONST_STRING,
+ BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT32_DFLOAT32,
+ BT_FN_DFLOAT64_DFLOAT64, BT_FN_DFLOAT128_DFLOAT128): New.
+ * c-decl.c (declspecs_add_type): Verify combos on type qualifiers.
+ Pedwarn if decimal floating point types are used. Error if
+ decimal floating point is not supported by the target.
+ (finish_declspecs): Return type from DFP typespec_word.
+ * c-typeck.c (c_common_type): Choose the decimal floating point
+ type with the greater precision when determining a common type.
+ (convert_arguments): Warn if there is a mismatch between argument
+ and prototype for decimal float types. Warn of conversions with
+ binary float types and of precision narrowing due to prototype.
+ * c-parser.c (reswords): Add _Decimal32, _Decimal64, _Decimal128.
+ (c_token_starts_typename): Handle RID_DFLOAT32/64/128.
+ (c_token_starts_declspecs): Likewise.
+ (c_parser_attributes): Likewise.
+ * c-common.h (enum rid): Add new enumeration values RID_DFLOAT32,
+ RID_DFLOAT64, RID_DFLOAT128.
+ (T_D32, TEX_D32, T_D64, TEX_D64, T_D128, TEX_D128): New macros.
+ * c-common.c (c_common_type_for_mode): Handle decimal float modes.
+ (shorten_compare): Convert DFP/BFP operands to a common type.
+ (c_common_modes_and_builtins): Register built-in decimal float
+ types if the target supports them.
+ (handle_mode_addtribute): Handle MODE_DECIMAL_FLOAT.
+ * builtins.c (fold_builtin_1): Handle 32, 64 and 128 bit cases of
+ inf, nan, finite, isinf and isnan builtins.
+ * c-cppbuiltin.c (builtin_define_decimal_float_constants): New.
+ (builtin_define_float_constants): Assert non-decimal radix.
+ (c_cpp_builtins): Register built-in __DEC_EVAL_METHOD__ define.
+ Call builtin_define_decimal_float_constants for each type.
+ * c-lex.c (interpret_float): Decode decimal float types from CPP_N
+ flags. Use real_from_string3, which can handle binary or decimal
+ floats.
+ * c-tree.h (enum c_typespec_keyword): Add cts_dfloat32,
+ cts_dfloat64, cts_dfloat128.
+ * tree.c (build_common_tree_nodes_2): Add decimal float types.
+ * tree.h (enum tree_index): Add new enumeration values
+ TI_DFLOAT32_TYPE, TI_DFLOAT64_TYPE, TI_DFLOAT128_TYPE,
+ TI_DFLOAT32_PTR_TYPE, TI_DFLOAT64_PTR_TYPE, TI_DFLOAT128_PTR_TYPE.
+ (dfloat32_type_node): New macro.
+ (dfloat64_type_node, dfloat128_type_node): Likewise.
+ (dfloat32_ptr_type_node, dfloat64_ptr_type_node): Likewise.
+ (dfloat128_ptr_type_node): Likewise.
+ * c-pretty-print.c (pp_c_floating_constant): Append 32, 64 and 128
+ bit decimal floating point types with "df", "dd" and "dl".
+ * c-format.h (enum format_lengths): Add new enumeration values
+ FMT_LEN_H, FMT_LEN_D and FMT_LEN_DD.
+ * c-format.c (printf_length_specs, scanf_length_specs): Add
+ entries for H, D, DD.
+ (print_char_table, scan_char_table): Use new entries.
+ (asm_fprintf_char_table, gcc_diag_char_table,
+ gcc_cdiag_char_table, gcc_cxxdiag_char_table): Adjust for longer
+ length arrays.
+ * defaults.h (DECIMAL32_TYPE_SIZE): Define.
+ (DECIMAL64_TYPE_SIZE): Likewise.
+ (DECIMAL128_TYPE_SIZE): Likewise.
+ (TARGET_DEC_EVAL_METHOD): Likewise.
+ * doc/extend.texi (Decimal Float): New node.
+ (Constructing Calls): Document decimal float built-ins.
+ * doc/tm.texi: Document TARGET_DECIMAL_FLOAT_SUPPORTED_P hook.
+ * Makefile.in (USER_H): Add $(srcdir)/ginclude/decfloat.h.
+ * ginclude/decfloat.h: New file.
+