* c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
* c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
Regenerated.
* c-tree.h (min_precision): Move declaration to here.
* c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
(build_unary_op, add_pending_init): Use bit_position.
(pending_init_member, process_init_element): Likewise.
(really_start_incremental_init, push_init_level, pop_init_level):
Don't make copies of nodes or modify them in place, use consistent
types when tracking positions, and use tree routines computations.
(set_init_index, output_init_element): Likewise.
(output_pending_init_elements, process_init_element): Likewise.
* dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
tree_low_cst and int_bit_position; also minor cleanup.
(dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
(print_cst_octal): Precision is unsigned.
(dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
* dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
(simple_type_align_in_bits): Result is unsigned int.
Use tree_int_low_cst and host_integerp.
(simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
(field_byte_offset): Result is HOST_WIDE_INT.
Change types of internal variables so alignments are unsigned int,
offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
Use host_integerp, tree_low_cst, and int_bit_position.
(add_bit_offset_attribute): Likewise.
(add_data_member_location_attribute): Use tree_cst_low.
(add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
(add_bit_size_attribute): Use tree_low_cst.
(add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
* dwarfout.c: Similar changes to dwarf2out.c.
* expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
* genoutput.c (n_occurences): Return -1 for null string.
(strip_whitespace): Accept null string and make into function.
(scan_operands): Reflect above changes.
* sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
(sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
* ssa.c (rename_registers): Add missing cast of arg to bzero.
* tree.c (int_size_in_bytes): Check for too big to represent.
(bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
* tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
New declarations.
(min_precision): Delete from here.
* varasm.c (decode_addr_const): Use host_integerp, bit_position,
and int_bit_position.
* objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
(encode_method_def): Likewise.
(build_ivar_list_initializer): Use int_bit_position.
(generate_shared_structures): Convert size.
(encode_type, encode_complete_bitfield): Use integer_zerop.
(encode_bitfield): Use tree_low_cst and int_bit_position.
* ch/typeck.c (min_precision): New function.
(build_chill_slice): Use host_integerp and tree_low_cst.
(expand_constant_to_buffer): Likewise and also int_bit_position.
LO is unsigned HOST_WIDE_INT
(build_chill_array_ref_1): Make `i' be HOST_WIDE_INT; use tree_low_cst.
(extract_constant_from_buffer): Sizes are now HOST_WIDE_INT.
Use host_integerp and tree_low_cst.
(build_chill_bin_type): Use host_integerp and tree_low_cst.
(layout_chill_range_type): Use tree_int_cst_sgn, compare_tree_int,
tree_low_cst, and min_precision.
(apply_chill_array_layout): Cleanups for types of variables
and use tree_int_cst_sgn, compare_tree_int, and tree_low_cst.
(apply_chill_field_layout): Likewise.
* cp/class.c (build_vbase_path): Use integer_zerop.
(build_vtable_entry): Use tree_low_cst.
(get_vfield_offset): Use bit_position.
(dfs_modify_vtables): New variable vindex_val; `i' is HOST_WIDE_INT.
Use tree_low_cst.
(check_bitfield_decl): Set DECL_SIZE using convert.
(build_base_field): Set DECL_SIZE and DECL_SIZE_UNIT using size_binop.
(layout_virtual_bases): DSIZE is unsigned HOST_WIDE_INT.
Use tree_low_cst.
(finish_struct_1): Use bit_position.
(dump_class_hierarchy): Use tree_low_cst.
* cp/cp-tree.h (min_precision): Add declaration.
* cp/decl.c (xref_tag, xref_basetypes): Use tree_low_cst.
* cp/error.c (dump_type_suffix): Use host_integerp and tree_low_cst.
(dump_expr): Use integer_zerop, host_integerp, and tree_low_cst.
* cp/expr.c (cplus_expand_constant): Use bit_position.
* cp/init.c (build_vec_init): Use host_integerp and tree_low_cst.
* cp/rtti.c (get_base_offset): Use bit_position.
* cp/typeck.c (build_binary_op): Use integer_zerop, compare_tree_int,
host_integerp, and tree_low_cst.
(pointer_int_sum): Use integer_zerop.
(build_component_addr): Use bit_position.
* java/class.c (make_field_value): Properly handle sizes.
(get_dispatch_vector): Use tree_low_cst and host_integerp.
(layout_class_method): Count using trees.
* java/decl.c (push_promoted_type): Set TYPE_{MIN,MAX}_VALUE with
copy_node.
* java/expr.c (java_array_data_offset): Use int_bit_position.
(build_newarray, build_anewarray): Use host_integerp and tree_low_cst.
(build_invokevirtual): Use tree_low_cst and do computations with trees.
From-SVN: r32607
* c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
c-typeck.c, objc/objc-act.c: Remove all references to obstack
functions obsoleted by GC, such as push_obstacks_nochange,
end_temporary_allocation, savealloc, saveable_tree_cons, etc.
and code which existed only to decide whether or not to call
them. Remove now-unused NESTED argument from start_function;
all callers changed. Do not change behavior based on ggc_p.
The use of the ixp_obstack in c-iterate.c and the util_obstack
in objc/objc-act.c remain; these are not obsoleted by garbage
collection.
* c-tree.h: Update prototype for start_function.
* c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
From-SVN: r31611
* c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
(RESTORE_WARN_FLAGS): Unpack it.
Change semantic type of extension to ttype.
* c-common.c (split_specs_attrs): Expect an INTEGER_CST.
* c-parse.y, c-parse.c, objc/objc-parse.y,
objc/objc-parse.c: Regenerate.
From-SVN: r31478
* c-parse.in: save and restore warn_pointer_arith on __extension__
along with pedantic.
(SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
Set the type of extension to itype rather than $<itype>1 kludge.
* extend.texi (Alternate Keywords): Adjust documentation.
* c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
From-SVN: r29588
* Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
(c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
$(out_object_file)): Depend on ggc.h.
* c-common.c: Include "ggc.h".
(combine_strings): If doing GC, use ggc_alloc_string.
* c-decl.c: Include "ggc.h".
(ggc_p): Define with value 0.
(mark_binding_level): New function.
(init_decl_processing): Add GC roots.
(mark_c_function_context): New function.
(lang_mark_false_label_stack): New function.
(lang_mark_tree): New function.
(lang_cleanup_tree): New function.
* c-lang.c: Include "ggc.h".
(lang_init): Call c_parse_init.
* c-lex.c: Include "ggc.h".
(check_linenum): If doing GC, don't copy filenames to permanent
obstack.
* c-parse.in: Include "ggc.h".
(c_parse_init): New function.
* c-tree.h (c_parse_init, mark_c_function_context): Declare.
* objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
* except.c (mark_eh_state): Mark more state.
* function.c (mark_function_state): Likewise.
* ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
(ggc_alloc_string) [GGC_DUMP]: Fix typo.
* toplev.c (mark_file_stack): New function.
(compile_file): If doing GC, use ggc_alloc_string on input filename.
(main): Add root for input_file_stack.
* i386.c: Include "ggc.h".
(ix86_mark_machine_status): New function.
(override_options): Set mark_machine_status.
From-SVN: r29143
* c-decl.c (struct language_function): Renamed from struct c_function.
Delete elt NEXT.
(c_function_chain): Delete.
(push_c_function_context): New arg F. Don't warn about nested
functions here. Fill LANGUAGE elt of F. Delete code to update
c_function_chain. Don't call push_function_context.
(pop_c_function_context): New arg F. Restore from there instead of
from c_function_chain. Don't call pop_function_context. Clear out
LANGUAGE field of F when done.
* c-lang.c: Include "function.h"
(lang_init): Initialize save_lang_status and restore_lang_status.
* c-parse.in (nested_function, nested_function_notype): Warn about
nested functions. Call push_function_context/pop_function_context
instead of the _c_ variants.
* c-tree.h (push_c_function_context, pop_c_function_context): Update
prototype.
* Makefile.in (c-lang.o): Update dependencies.
* emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
regno_pointer_flag, regno_pointer_align.
(gen_reg_rtx): Use xrealloc to enlarge them.
(free_emit_status): New function.
* function.c (mark_machine_status, mark_lang_status): New variables.
(assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
in some bits from assign_stack_local. All callers changed to use new
name.
(assign_stack_local): Just call assign_stack_local_1.
(free_after_compilation): New function.
(put_reg_into_stack): Simplify to always call assign_stack_local_1.
(trampoline_address): Likewise.
(assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
(prepare_function_start): Explicitly clear some more variables.
* function.h (struct function): New elt can_garbage_collect.
(mark_machine_status, mark_lang_status): Declare variables.
(free_after_compilation, free_emit_status, free_varasm_status,
init_varasm_status): Declare functions.
* toplev.c (rest_of_compilation): Call free_after_compilation when
done with the current function.
* varasm.c (free_varasm_status): New function.
From-SVN: r29117
* c-parse.in (compstmt_primary_start): New, broken out of first
part of compstmt handling in primary.
(primary): Use it. Add an error clause.
(compstmt_nostart): Renamed from compstmt; remove all
initial invocations of compstmt_start.
(compstmt): New.
From-SVN: r29059
* c-lex.c: Sync with C++ frontend.
(linemode): New variable.
(parse_float): imag, conversion_errno, and type are output only.
(yylex): Adjust. Move initial '.' case into main switch.
Use linemode.
(handle_generic_pragma): Just deal with tokens.
(readescape): Use ISXDIGIT and ISGRAPH.
* c-parse.in: Add END_OF_LINE token.
* c-lex.c (lang_init): Generalize.
(nextchar): Remove. Replace uses with UNGETC.
(skip_white_space): Handle linemode here. Optimize for cpplib.
(skip_white_space_on_line): Remove.
(extend_token_buffer_to): New fn.
(extend_token_buffer): Use it.
(read_line_number, check_newline): Just deal with tokens.
(token_getch, token_put_back): New fns.
(yylex): Use them. More cpplib optimizations. Simplify.
* c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
(consume_string): Make this smart about USE_CPPLIB.
(check_newline): Rewrite to be intelligent about USE_CPPLIB.
(yylex): Rewrite to be intelligent about USE_CPPLIB.
Also, clean up cases where we redundantly set token_buffer[0].
(read_line_number): New fn.
(ignore_escape_flag): New variable.
From-SVN: r28507
* c-common.c (decl_attributes): Allow applying attribute `unused'
on a LABEL_DECL.
* c-parse.in (label): Parse attributes after a label, and call
`decl_attributes' to handle them.
* gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
* genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
* invoke.texi: Note that labels can be marked `unused'.
From-SVN: r24478
* c-common.c (declare_function_name): Declare predefinied variable
`__func__'.
* c-decl.c (flag_isoc9x): Set to 1 by default.
(c_decode_option): Handle -std= option. Remove -flang-isoc9x.
(grokdeclarator): Always emit warning about implicit int for ISO C 9x.
* c-parse.in: Allow constructors in ISO C 9x.
Rewrite designator list handling.
Allow [*] parameters.
Don't warn about comma at end of enum definition for ISO C 9x.
* cccp.c (c9x): New variable.
(rest_extension): New variable.
(print_help): Document new -std= option.
(main): Recognize -std= option. Set c9x appropriately.
(create_definition): Recognize ISO C 9x vararg macros.
* gcc.c (default_compilers): Adjust specs for -std options.
(option_map): Add --std.
(display_help): Document -std.
* toplev.c (documented_lang_options): Add -std and remove
-flang-isoc9x.
* c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
or REAL_VALUE_HTOF based on base of the constants.
* fold-const.c (real_hex_to_f): New function. Replacement function
for hex FP conversion if REAL_ARITHMETIC is not defined.
* real.c (asctoeg): Add handling of hex FP constants.
* real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
real_hex_to_f.
Co-Authored-By: Richard Henderson <rth@cygnus.com>
Co-Authored-By: Stephen L Moshier <moshier@world.std.com>
From-SVN: r24049
* invoke.texi: Document -flang-isoc9x.
* Makefile.in (OBJS): Add splay-tree.o.
(c-common.o): Depend on rtl.h.
(splay-tree.o): List dependencies and provide build rule.
* rtl.h (record_alias_subset): New function.
* alias.c: Include splay-tree.h.
(alias_set_entry): New type.
(CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
(DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
(mems_in_disjoin_alias_sets_p): New function.
(alias_set_compare): Likewise.
(insert_subset_children): Likewise.
(get_alias_set_entry): Likewise.
* tree.h (TYPE_RESTRICT): New macro.
(TYPE_UNQUALIFIED): New manifest constant.
(TYPE_QUAL_CONST): Likewise
(TYPE_QUAL_VOLATILE): Likewise.
(TYPE_QUAL_RESTRICT): Likewise.
(tree_type): Add restrict_flag. Reduce count of free bits.
(DECL_POINTER_ALIAS_SET): New macro.
(DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
(tree_decl): Add pointer_alias_set.
(build_qualified_type): New function.
(build_type_variant): Define in terms of build_qualified_type.
* tree.c (set_type_quals): New function.
(make_node): Initializae DECL_POINTER_ALIAS_SET.
(build_type_attribute_variant): Use build_qualified_type and
set_type_quals.
(build_type_variant): Rename, and modify, to become...
(build_qualified_type): New function.
(build_complex_type): Use set_type_quals.
* c-tree.h (C_TYPE_OBJECT_P): New macro.
(C_TYPE_FUNCTION_P): Likewise.
(C_TYPE_INCOMPLETE_P): Likewise.
(C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
(c_apply_type_quals_to_decl): New function.
(c_build_qualified_type): New function.
(c_build_type_variant): Define in terms of c_build_qualified_type.
(flag_isoc9x): Declare.
* c-typeck.c (qualify_type): Use c_build_qualified_type.
(common_type): Change to use TYPE_QUALS.
(comptypes): Likewise.
(convert_for_assignment): Likewise.
* c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
* c-decl.c (flag_isoc9x): Define.
(c_decode_option): Handle -flang-isoc9x.
(grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
* c-lex.c (init_lex): Deal with restrict.
(init_lex): Don't treat restrict as a reserved word in
-traditional mode, or without -flang-isoc9x.
* c-lex.h (rid): Add RID_RESTRICT.
* c-parse.gperf (restrict, __restrict, __restrict__): Make
equivalent to RID_RESTRICT.
* c-parse.in (TYPE_QUAL): Update comment.
* c-common.c: Include rtl.h.
(c_find_base_decl): New function.
(c_build_type_variant): Rename, and modify, to become ...
(c_build_qualified_type): New function.
(c_apply_type_quals_to_decl): Likewise.
(c_get_alias_set): For INDIRECT_REFs, check to see if we can find
a particular alias set for the reference.
* toplev.c (documented_lang_options): Add -flang-isoc9x.
From-SVN: r23212
