changelog

gcc-2.95.3 Linux下最常用的C编译器

 	prototypes.
	(textlocation_mode): Use &&, not &, when comparing two truth
	values.
	(scanformcont): Remove unused label `do_the_action'.

	* lang.c: Include system.h and toplev.h.  Remove redundant
 	prototypes.
	(lookup_interface): Mark parameter `arg' with ATTRIBUTE_UNUSED.
	(maybe_objc_comptypes): Likewise for parameters `lhs' and `rhs'.
	(lang_print_xnode): Likewise for parameters `file', `node' and
	`indent'.
	(lang_decode_option): Explicitly declare `explicit_ignore_case'.
	(incomplete_type_error): Mark parameters `value' and `type' with
	ATTRIBUTE_UNUSED.

	* lex.c: Include system.h and toplev.h.  Remove redundant
 	prototypes.  Don't handle strchr/strrchr.  Use CAPITALIZED
	versions of ctype macros from system.h.  Cast ctype arguments to
	unsigned char when necessary.
	(last_token, RETURN_TOKEN): Hide definition.
	(push_back): Remove unused function.
	(readstring): Change variable `i' to unsigned.
	(yywrap): Remove unused variable `node'.

	* loop.c: Include system.h and toplev.h.  Remove redundant
	prototypes.
	(chill_unsigned_type): Hide prototype and definition.
	(begin_loop_scope): Remove unused variable `firstp'.
	(nonvalue_begin_loop_scope): Likewise.

	* parse.c: Include system.h and toplev.h.  Remove redundant
	prototypes.
	(quasi_signal): Hide.
	(PEEK_TOKEN): Change return type to `enum terminal'.
	(parse_mode_definition_statement): Remove unused variable `names'.
	(parse_formpar): Remove unused parameter `in_spec_module'.  All
	callers changed.
	(parse_formparlist): Likewise.
	(parse_processpar): Remove unused variable `parms'.
	(parse_definition): Add explicit braces to avoid ambiguous `else'.
	(parse_multi_dimension_case_action): Initialize variable
	`begin_test_label'.  Remove unused variable `new_test'.
	(parse_case_action): Remove unused variable `caseaction_flag'.
	(parse_asm_clobbers): Remove unused variable `expr'.
	(parse_delay_case_action): Initialize variable `label_cnt'.
	(parse_action): Make function static.
	(parse_tuple_element): Remove unused variable `list'.
	(parse_primval): Add default case in switch.
	(parse_variant_alternative): Remove unused variables `x' and
	`variant_fields'.

	* satisfy.c: Include system.h and toplev.h.  Remove redundant
	prototypes.

	* tasking.c Include system.h and toplev.h.  Remove redundant
	prototypes.
	(data_name): Hide.
	(get_struct_variable_name): Likewise.
	(validate_process_parameters): Mark parameter `parms' with
	ATTRIBUTE_UNUSED.
	(build_start_process): Initialize variable `tuple'.
	(build_receive_buffer_case_end): Remove unused variable `buffer_ptr'.

	* timing.c: Include system.h and toplev.h.
	(build_after_timeout_start): Remove unused variable `goto_where'.

	* tree.c: Include system.h and toplev.h.  Remove redundant
	prototypes.

	* typeck.c: Include system.h and toplev.h.  Remove redundant
	prototypes.
	(extract_constant_from_buffer): Make function static.  Add
 	explicit braces to avoid ambiguous `else'.
	(expand_constant_to_buffer): Likewise.
	(build_chill_slice): remove unused variable `is_static'.
	(chill_compatible): Add explicit braces to avoid ambiguous `else'. 
	(apply_chill_array_layout): Remove unused variable `offset'.
	(smash_dummy_type): Remove unused variable `save_lang_specific'.
	(initializer_constant_valid_p): Add default case in switch.

Mon Sep 14 16:46:36 1998  Dave Brolley  <[e-mail]>

	* typeck.c (build_chill_slice): Always use TYPE_DOMAIN to get the
	domain type of the array.

	* expr.c (build_chill_function_call): Remove redundant call to
 	chill_convert_to_assignment

Thu Sep 10 17:52:36 1998  Dave Brolley  <[e-mail]>

	* actions.c (chill_convert_for_assignment): Make a copy of the result
	node before modifying it.

Sat Sep  5 16:55:37 1998  John Carr  <[e-mail]>

	* Make-lang.in: Comment ^L characters.  Sun make doesn't like them.

Sat Sep  5 23:49:50 1998  Jeffrey A Law  ([e-mail])

	* Makefile.in (INCLUDES): Update after recent reorganization at the
	toplevel gcc directory.

Sat Sep  5 22:25:51 1998  Richard Henderson  <[e-mail]>

	* Makefile.in: Update dependancies for top-level gcc files that moved.

Sat Sep  5 02:21:08 1998  Jeffrey A Law  ([e-mail])

	* Makefile.in: Tweak to avoid building runtime.  It's built
	elsewhere now.

Thu Sep  3 15:32:03 1998  Dave Brolley  <[e-mail]>

	* typeck.c (layout_chill_range_type): set TYPE_SIZE_UNIT.

Wed Sep 02 09:25:29 1998  Nick Clifton  <[e-mail]>

	* lex.c (check_newline):  Change how HANDLE_PRAGMA is called.
	Generate warning messages if unknown pragmas are encountered.
	(pragma_getc): New function: retrieves characters from the
	input stream.  Defined when HANDLE_PRAGMA is defined.
	(pragma_ungetc): New function: replaces characters back into the
	input stream.  Defined when HANDLE_PRAGMA is defined.

Mon Aug 31 15:35:16 1998  Dave Brolley  <[e-mail]>

	* decl.c (layout_chill_variants): Calculate nlables properly.

Mon Jul 27 17:21:01 1998  Dave Brolley  <[e-mail]>

	* typeck.c (apply_chill_array_layout): Don't set TYPE_SIZE of the
	element type.

Mon Jul 13 14:20:12 1998  Nick Clifton  <[e-mail]>

	* lang-options.h: Format changed to match changes in gcc/toplev.c
	to implement a --help option.

Wed Jul  8 02:58:35 1998  Jeffrey A Law  ([e-mail])

	* lang.c (lang_init_options): New function.

Wed Jun 10 12:08:09 1998  Dave Brolley  <[e-mail]>

	* lang-options.h: Remove -I.
	* ch-tree.h (c_decode_option): New argc/argv interface.
	* decl.c (c_decode_option): New argc/argv interface.
	* lang.c (lang_decode_option):  New argc/argv interface.

Wed May 27 10:33:41 1998  Dave Brolley  <[e-mail]>

	* actions.c (chill_handle_multi_case_label): Arguments 1 and 2 to
 	chill_handle_multi_case_label_range were reversed.

	* Make-lang.in (chill): Use the correct gcc in the driver script.

Thu May 21 14:40:44 1998  Dave Brolley  <[e-mail]>

	* convert.c (digest_array_tuple): Move conversion to
	chill_convert_for_assignment.

	* actions.c (chill_convert_for_assignment): Allow conversion of array
	constructor to bitstring constructor for assignment to array of packed bits.

Thu May 14 13:57:51 1998  Dave Brolley  <[e-mail]>

	* Make-lang.in (chill-runtime): Depend on stmp-headers to build float.h.

Wed May 13 14:07:51 1998  Dave Brolley  <[e-mail]>

	* typeck.c (build_chill_slice): Adjust slice index to account for the
	lower bound of the array.

	* actions.c (chill_expand_assignment): Convert function arguments to the
	correct types.
	(chill_expand_assignment): Ditto.

Mon May 11 16:20:57 1998  Dave Brolley  <[e-mail]>

	* typeck.c (build_chill_slice): Propogate the TYPE_PACKED setting
	of the array_type to the slice_type.
	(build_chill_slice): Use SLICE_EXPR to represent a slice of an array
	of bits.

	* loop.c (build_loop_iterator): Disallow location enumeration for
	bit-packed arrays.

	* convert.c (digest_array_tuple): Allow conversion of an array tuple
	to a bitstring for assignment to a packed array of bits.

Mon May  4 16:28:58 1998  Dave Brolley  <[e-mail]>

	* ch-tree.def (PACKED_ARRAY_REF): New tree code.
	* typeck.c (build_chill_array_ref_1): Build PACKED_ARRAY_REF if array is packed.
	(chill_location): Handle PACKED_ARRAY_REF.
	(apply_chill_array_layout): Allow PACK for arrays of single bits.
	* expr.c (chill_expand_expr): Expand PACKED_ARRAY_REF.
	(invalid_operand): Check PACKED_ARRAY_REF operands.
	* actions.c (chill_expand_assignment): Expand PACKED_ARRAY_REF.

Thu Apr 23 15:33:20 1998  Dave Brolley  <[e-mail]>

	* typeck.c (apply_chill_field_layout): Only integral fields can be packed
	to the bit level.

Tue Apr 21 14:30:10 1998  Jeffrey A Law  ([e-mail])

	* decl.c (intTI_type_node, unsigned_intTI_type_node): Define.
	(init_decl_processing): Handle TI types.
	* typeck.c (intTI_type_node, unsigned_intTI_type_node): Declare.
	(type_for_size): Handle TI types.
	(type_for_mode): Handle TI types.

Mon Apr 20 13:12:26 1998  Dave Brolley  <[e-mail]>

	* typeck.c (layout_chill_struct_type): Don't promote bitfield types to
	int.

	* actions.c (chill_convert_for_assignment): Check that the rhs is not
	a type declaration.

Tue Apr 14 13:17:44 1998  Dave Brolley  <[e-mail]>

	* lex.c (init_parse): Now returns char* containing the filename.

	* typeck.c (get_type_precision): Declare.
	(apply_chill_field_layout): Use the minimum number of bits necessary to
	represent discrete types as the natural length of the field.

Thu Apr  9 12:46:55 1998  Dave Brolley  <[e-mail]>

	* lex.c (finput): Move definition here from toplev.c
	(init_parse): New function replaces init_lex.
	(init_parse): Add code to open source file.
	(finish_parse): New function.
	(close_input_file): File was being closed more than once.

	* lang.c (finput): Declare.
	* ch-tree.h (init_lex): Remove.
	

Wed Apr  8 14:47:33 1998  Dave Brolley  <[e-mail]>

	* actions.c (compute_else_range): Fix loop index error.
	(chill_handle_multi_case_label_range): Move error checking to
	chill_handle_multi_case_label.
	(chill_handle_multi_case_else_label): Convert ELSE range values to
	the type of the corrersponding CASE selector.

Wed Apr  8 13:02:50 1998  Jeffrey A Law  ([e-mail])

	* actions.c (sizetype_tab): Do not declare.
	* lang.c (lang_print_xnode): New function.

Mon Mar 23 14:43:06 1998  Dave Brolley  <[e-mail]>

	* grant.c (decode_layout): New function.
	(grant_array_type): Call decode_layout to export layout information to
	the grant file.
	(decode_decl): Ditto

Fri Mar 20 16:06:41 1998  Dave Brolley  <[e-mail]>

	* parse.c (parse_tuple_element): Call had arguments in wrong order.

Thu Mar 19 13:42:33 1998  Dave Brolley  <[e-mail]>

	* typeck.c (apply_chill_array_layout): Use
 	TYPE_PRECISION (chill_integer_type_node) in stead of BITS_PER_WORD for
	the word size.

Wed Mar 18 16:25:48 1998  Dave Brolley  <[e-mail]>

	* typeck.c (apply_chill_field_layout): Only set DECL_BIT_FIELD for discrete
 	fields.

	* parse.c (parse_multi_dimension_case_action): Call emit_line_note at the
	proper places.

Tue Mar 17 14:16:08 1998  Dave Brolley  <[e-mail]>

	* parse.c (gen_label_rtx): Declare before use.
	(emit_jump): Declare before use.
	(emit_label): Declare before use.
	(parse_case_label_list): Pass in CASE selector so we can mark it as having
	an (ELSE) label if necessary.
	(parse_case_label_specification): Pass in the CASE selector list so that
	the CASE selectors can be passed to parse_case_label_list.
	(parse_multi_dimension_case_action): Modify to generate branching code in
	one pass.
	(parse_case_expression): Compute (ELSE) range before generating CASE expression.
	(parse_variant_alternative): Remove error for (ELSE) specified.

	* expr.c (check_case_selector_list): Preserve TREE_PURPOSE of selector list.

	* decl.c (layout_chill_variants): Add code to check compatibility of ranges
	and discrete mode names.

	* ch-tree.h (ELSE_LABEL_SPECIFIED): New Chill specific flag.

	* actions.h (build_multi_case_selector_expression): Make it extern.
	(chill_handle_multi_dimension_case_label): Remove.
	(compute_else_ranges): New function.

	* actions.c (update_else_range_for_int_const): New function.
	(update_else_range_for_range): New function.
	(update_else_range_for_range_expr): New function.
	(update_else_range_for_type): New function.
	(compute_else_range): New function.
	(compute_else_ranges): New function.
	(chill_handle_multi_case_else_label): New function
	(chill_handle_multi_case_label_range): Don't generate tests for conditions
	which are always true or false.
	(chill_handle_multi_case_label): Ditto.
	(chill_handle_multi_case_label): Implement (ELSE) label support.
	(chill_handle_multi_case_label): First argument is now the selector tree not
	its VALUE.
	(chill_handle_multi_dimension_case_label): Removed.
	(build_chill_multi_dimension_case_expr): List of CASE alternatives is no longer
	reversed on entry, so reverse it here.

Tue Mar 10 15:02:26 1998  Dave Brolley  <[e-mail]>

	* actions.c (chill_handle_multi_case_label_range): Add more error checking.
	(chill_handle_multi_case_label): Implement (*) for multi dimensional CASE.
	(chill_handle_multi_case_label): Improve Error handling.

Mon Mar  9 12:39:00 1998  Dave Brolley  <[e-mail]>

	* actions.c (chill_handle_multi_case_label_range): Added.
	(chill_handle_multi_case_label): Add support for discrete ranges and
	discrete modes.

	* typeck.c (apply_chill_array_layout): Added more error checking.
	(apply_chill_field_layout): Added more error checking.

Wed Mar  4 16:08:26 1998  Dave Brolley  <[e-mail]>

	* convert.c (convert): Call build_simple_array_type with new argument.