changelog.4

早期freebsd实现

	* c-typeck.c (build_array_ref): Special warning about `register' array.

	* gnulib2.c (L_trampoline): Don't create a function here.
	The definition of TRANSFER_FROM_TRAMPOLINE can do that if nec.
	* m68k.h (TRANSFER_FROM_TRAMPOLINE): Make the function here.

	* fx80.*: Renamed from alliant.*.
	* configure: Alternative renamed to fx80-alliant-*.
	* config.sub: Corresponding changes.

	* cccp.c (traditional): No longer static.
	* cexp.y (yylex): Handle full variety of character constants.
	Include stdlib.h and locale.h if needed.

	* c-decl.c (shadow_tag): Change warnings to error or pedwarn.

	* gnulib2.c (__do_global_dtors): If length not given, count it.
	* gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Ignore length; scan till null.
	(__CTOR_END__, __DTOR_END__): Declarations deleted.

	* cp-decl2.c (finish_file): Always change $ to _
	regardless of NO_DOLLAR_IN_LABEL.

Fri Dec 27 15:04:40 1991  Tom Wood  (wood at dg-rtp.dg.com)

	* svr4.h (ASM_OUTPUT_ALIGNED_COMMON): Fix typo.

	* m88k.c: Move extern decls.
	(output_ascii): Use ASCII_DATA_ASM_OP.
	* m88k.h (HAVE_ATEXIT): Delete.
	(ASM_OUTPUT_ALIGNED_COMMON, ASM_OUTPUT_ALIGNED_LOCAL,
	 ASCII_DATA_ASM_OP): Override svr4.h.
	(EXTRA_SECTIONS): No ctors/dtors for m88k-luna.
	* m88kdgux.h (STANDARD_STARTFILE_PREFIX): No need to override svr4.h.

Fri Dec 27 11:34:59 1991  Ken Raeburn  ([e-mail])

	* cp-pt.c (mangle_class_name_for_template): Use a local obstack
	rather than fixed-size buffers.

	* cp-class.c (add_method): Case obstack_base value to desired type
	when reallocating vector node.

Fri Dec 27 09:16:50 1991  Ron Guilmette  (rfg at ncd.com)

	* sort-protos:  New file.

	* i386.c: Remove decls of frame_pointer_needed; include flags.h.
	* i386.c (output_387_binary_op, output_float_compare):
	Moved declarations of strcat to top level.

	* i860.md (cmpnesf, cmpnedf):  New patterns.
	* i860.md (cmplesf, cmpgesf):  Corrected to allow for IEEE conformance.

Thu Dec 26 11:20:07 1991  Michael Tiemann  (tiemann at cygnus.com)

	* cp-class.c: Declare N_* variables here.
	* cp-class.h: Declare N_* variables extern here.

	* cp-gc.c (build_static_gc_entry): Call `assemble_gc_entry' instead
	of implementing it directly.
	* varasm.c (assemble_gc_entry): New function.

	* calls.c (expand_call): Don't crash if somebody declared a void
	function `const'.

	* cp-cvt.c (convert): Handle case when two equal array types are
	distinct (in memory).
	* tree.c (build_index_2_type): Don't set TREE_TYPE of lower bound.
	(index_type_equal): New function.

	* cp-spew.c (yylex): Extend special-case ptr-to-func ((*)()) parsing
	to handle (*)[] and (&)[] declarations as well.

	* cp-decl2.c (finish_file): Unconditionally call
	assemble_{constructor,destructor}.  Also, delete code for writing
	_init and _fini sections that was #if 0'd.  These actions belong in
	varasm if anywhere.

	* cp-class.c (add_method): Fix handling of obstacks to correctly
	extend TREE_VECs.

Thu Dec 26 15:24:45 1991  Richard Stallman  (rms at mole.gnu.ai.mit.edu)

	* cccp.c (main): Add new option -include.  Rename -i to -imacros.
	* gcc.c (SWITCH_TAKES_ARG): Remove -i.
	(WORD_SWITCH_TAKES_ARG): Add -include, -imacros.
	* hp800.h (WORD_SWITCH_TAKES_ARG): Add all the standard alternatives.
	* mips.h (SWITCH_TAKES_ARG): Remove -Y and -i.
	* next.h, sparc.h (WORD_SWITCH_TAKES_ARG): Add -include, -imacros.
	* sun2.h, sun3.h (WORD_SWITCH_TAKES_ARG): Copy from sparc.h.
	* svr4.h (SWITCH_TAKES_ARG): Remove -i, -f.
	(WORD_SWITCH_TAKES_ARG): Add -include, -imacros.

	* toplev.c (flag_gnu_linker): New variable.  -fgnu-linker.
	* flags.h (flag_gnu_linker): Declare it.
	* varasm.c (assemble_constructor, assemble_destructor):
	Handle flag_gnu_linker.

	* sparc.md (structure values): Separate unimp pattern deleted.
	New pattern for combined call and unimp.  `call' pattern changed.
	(type): Deleted type marker, added call_no_delay_slot.

Thu Dec 26 05:04:28 1991  James Van Artsdalen  (james at bigtex.cactus.org)

	* reg-stack.c (move_for_stack_reg): If a SET_DEST is REG_UNUSED,
	just pop the SET_SRC.

Wed Dec 25 17:23:25 1991  Richard Stallman  (rms at mole.gnu.ai.mit.edu)

	* c-decl.c (init_decl_processing): Fix type of exit, _exit.

	* jump.c (cross_jump_death_matters): Move def to front, make static.

Tue Dec 24 20:41:32 1991  Richard Stallman  (rms at mole.gnu.ai.mit.edu)

	* hard-reg-set.h (reg_names): Declare here.
	* stmt.c (expand_asm_operands): Not here.

	* gcc.c (handle_braces, do_spec_1, give_switch): Clear up %*.

	* expr.c (expand_expr): Delete decl of lang_expand_expr.

	* final.c (final_scan_insn): Delete line number followed by another
	line number, if numbers are effectively consecutive.

	* jump.c (jump_optimize): Set cross_jump_death_matters from cross_jump.
	* reg-stack.c (reg_to_stack): Pass 2 for cross_jump to jump_optimize.
	Don't set cross_jump_death_matters here.
	(record_reg_life): Delete decl of call_used_reg_set.

	* c-decl.c (init_decl_processing):
	Declare abort, exit, and _exit as volatile.

	* c-decl.c (implicitly_declare): Set IDENTIFIER_IMPLICIT_DECL earlier.
	(pushdecl): Test that and avoid nested extern warning.

	* c-decl.c (init_decl_processing): Don't handle EXPAND_BUILTIN_VARARGS.

Tue Dec 24 15:42:34 1991  Michael Tiemann  (tiemann at cygnus.com)

	* cp-init.c (add_friends): Add missing IDENTIFIER_POINTER macro
	application to strncmp argument.

	* cp-method.c (build_overload_*): Now uses SCRATCH_OBSTACK instead
	of relying on fixed buffers of finite length.
	(fndecl_as_string): Ditto.
	All callers changed.
	* cp-except.c (cplus_exception_name): Definition moved to
	cp-method.c.

Tue Dec 24 10:38:49 1991  Michael Collison  (collison at osf.org)

	* ns32k.c (hard_regno_mode_ok): Define this as a function now.
	Also change the way it work so that we don't allow moves between
	the general registers and the floating point registers.

	* ns32k.h (HARD_REGNO_MODE_OK): Turn it into a function call.

	* ns32k.md (call_value): fix to correct a bug where the compiler thinks
	the return value of a function call is in f0 instead of r0. Fix
	courtesy of vince russo.
	(movqi, movhi): Fix up these patterns because they could return
	undefined instruction templates. Fix courtesy of vince russo.

Tue Dec 24 10:14:20 1991  Ron Guilmette  (rfg at ncd.com)

	* mips-tfile.c (main): Move nested extern decl of version_string to
	file-scope.
	(catch_signal): Move nested extern decl of sys_siglist to
	file-scope.

	* varasm.c (assemble_variable): Handle ASM_OUTPUT_ALIGNED_COMMON.
	* svr4.h (ASM_OUTPUT_ALIGNED_COMMON, ASM_OUTPUT_ALIGNED_LOCAL): New.
	(ASM_OUTPUT_COMMON, ASM_OUTPUT_LOCAL): Deleted.

	* gcc.c (SWITCH_TAKES_ARG, default_compilers):  Eliminated -Y* option.
	(execute):  Moved decls of execv and execvp to top level.
	(do_spec, do_spec1, handle_braces, give_switch): Support new %* spec.

	* c-lang.c (recognize_objc_keyword):  Added explicit return.

	* svr4.h (SWITCH_TAKES_ARG, WORD_SWITCH_TAKES_ARG):  New definitions.
	(ASM_SPEC, LINK_SPEC): Support more standard svr4 options.
	(LIB_SPEC):  Fixed to link crtend.o *after* libc.a.

	* svr4.h (CONST_SECTION_FUNCTION):  Moved decl of `text_section' to
	top level.

	* cexp.y (main): Add explicit return type and explicit value.
	Move decl of yydebug to top level.

	* gnulib2.c (__bb_init_func):  Moved decl of ___tcov_init to top level.

	* toplev.c (main):  Deleted obsolete checks for -opt and -noreg.
	Moved decls of environ, version_string, language string to file-scope.
	Compile-time error if PREFERRED_DEBUGGING_TYPE is missing.

	* tree.c (dump_tree_statistics): Deleted decl of class_obstack.
	(object_permanent_p):  Added explicit return type.

Tue Dec 24 09:29:24 1991  Charles Hannum  (mycroft at hal.gnu.ai.mit.edu)

	* expr.h (lang_expand_expr): Fix typo.

Tue Dec 24 06:52:45 1991  Michael Meissner  (meissner at osf.org)

	* gnulib2.c (__main): Make sure the exit module is pulled in if we
	have atexit, since that module defines constructor/destructor
	variables as bss symbols rather than as references.

	* decrose.h (HAVE_ATEXIT): Define.
	* encrose.h (HAVE_ATEXIT): Define.
	* i386rose.h (HAVE_ATEXIT): Define.
	* decstatn.h (HAVE_ATEXIT): Define.

	* gcc.texinfo (HAVE_ATEXIT): Expand documentation.
	(EXIT_BODY): Document.

	* protoize.c (POSIX): Make protoize accept TARGET_POSIX as a synonym
	for POSIX to make the code and documentation agree.  Also, if the
	user defined _POSIX_SOURCE explicitly, turn on POSIX support in
	protoize.

Tue Dec 24 00:14:38 1991  Richard Stallman  (rms at mole.gnu.ai.mit.edu)

	* calls.c (emit_call_1): Additional arg STRUCT_VALUE_SIZE.
	Use as arg in call and call_value insns.
	(expand_call): Record the size, to pass it.
	* expr.c (emit_library_call): Pass 0 for STRUCT_VALUE_SIZE.
	* sparc.md (call, call_value): Make use of new arg.
	Generate an unimp instruction to use sparc calling convention.
	Add nameless pattern to recognize it.
	* sparc.c (output_function_epilogue): Skip the caller's unimp insn.

	* Makefile.in (INSTALLED_H): New variable.
	(includes): Preserve just those specific files.

	* expr.h (lang_expand_expr): Declare it.
	* expr.c: Don't declare it.
	* cp-expr.c (init_cplus_expand): Set up lang_expand_expr here.
	* cp-lex.c (init_lex): Call init_cplus_expand.

Mon Dec 23 15:17:59 1991  Tom Wood  (wood at dg-rtp.dg.com)

	* configure: Delete m88k-v88r32 (this is supported by m88k-svr3)
	and add m88k.
	* config.sub: Delete v88r as a system type.

Mon Dec 23 19:50:48 1991  Fred Fish  (fnf at fishpond)

	* 3b1.h, crds.h, hp320.h, m68k.md, m68ksgs.h, mot3300.h, news.h,
	tower-as.h:  Replace port oriented macros SGS_3B1, HPUX_ASM, and
	SONY_ASM, with configuration oriented macros SGS_SWITCH_TABLES,
	SGS_SWAP_W, SGS_CMP_ORDER, and SGS_NO_LI.

	* m68ksgs.h: New file.

	* m68k.c (print_operand_address): Change switch labels for MOTOROLA.
	Don't use a `%'.  Add missing `L' to some labels.
	For SGS assembler, use one symbol for the offset.

Mon Dec 23 17:03:13 1991  Richard Stallman  (rms at mole.gnu.ai.mit.edu)

	* recog.h (insn_name): New declaration.
	* final.c (output_asm_insn):  Don't declare insn_name here.

	* dbxout.c (dbxout_function, dbxout_begin_function):
	Pass missing arg to dbxout_really_begin_function.

	* jump.c (jump_optimize): Set new var can_reach_end.
	* c-decl.c, cp-decl.c (finish_function):
	Merge that into current_function_returns_null.

	* config.sub (fx2800): New machine alias.

	* va-m88k.h (va_start): Test __GNUC__, not __CLASSIFY_TYPE__.

	* m88kv4.h: New version from Wood.
	(CPP_PREDEFINES): Put -A options here.  Remove __CLASSIFY_TYPE__.

	* cccp.c (initialize_builtins): Define __GNUC__ as 2.

	* rtl.h (read_rtx): New declaration.

	* c-lex.c: Don't include output.h.
	(asm_out_file): Declare it.
	(ridpointers): Allocate storage here.

	* c-lex.h (lastiddecl, token_buffer): Declare here.
	(yylex, make_pointer_declarator, reinit_parse_for_function): Likewise.
	* c-parse.y, objc-parse.y: Not here.

	* objc-actions.c (error_with_ivar, error_with_method):
	(warn_with_method): Use count_error, not errorcount.

Mon Dec 23 11:50:37 1991  Ron Guilmette  (rfg at ncd.com)

	* sdbout.c:  Fixed typo.
	* stmt.c (init_stmt, init_stmt_for_function):  Explict return type.
	* gnulib2.c (__fixunsdfdi, __fixunssfdi): Move extern decls.
	* recog.c (init_recog):  Added explicit return type.
	* longlong.h (count_leading_zeros):  Moved decl of `__clz_tab'.
	* print-rtl.c (insn_name_ptr):  Make decl `extern'.

	* objc-actions.h, objc-actions.c (doing_objc_thang):  Make extern.
	* objc-actions.h, objc-actions.c (finish_class):  Return void.
	* objc-actions.c (continue_class):  Added default error return value.

	* fixinc.svr4: Map assertion tests to equivalent ANSI macro tests.

	* i860.c (output_block_move):  Disabled code to move by words or
	halfwords until it can be made to work right.

	* i860.c (output_block_move):  Moved a sequence of common
	`output_asm_insn' calls out of (and before) conditionals.

	* i860.c (output_block_move):  Corrected bugs in move loop.

Mon Dec 23 15:25:01 1991  Tom Wood  (wood at dg-rtp.dg.com)

	* m88kv4.h (CPP_PREDEFINES): Fix for varargs/stdarg.
	(includes): Include svr4.h before m88k.h so the overrides in m88k.h
	will take effect.

Mon Dec 23 07:06:27 1991  Richard Kenner  (kenner at vlsi1.ultra.nyu.edu)

	* i860.c (output_delayed_branch): Call insn_extract and
	constrain_operands so that `which_alternative' is set properly.

	* stor-layout.c (layout_type, case ARRAY_TYPE): Handle
	TYPE_NO_FORCE_BLK similar to RECORD_TYPE.

	* encrose.h, i386rose.h, mips.h (LIBG_SPEC): Deleted; unused.

Sun Dec 22 12:02:03 1991  James Van Artsdalen  (james at big