changelog

早期freebsd实现

	* i386bsd.h: Complete rewrite.

Mon Nov  9 14:22:38 1992  Michael Meissner  ([e-mail])

	* mips.h, decrose.h: Move LINK_LIBGCC_SPECIAL to decrose.h.

Mon Nov  9 12:39:03 1992  Richard Stallman  ([e-mail])

	* unroll.c (final_biv_value): Make a note after loop_end
	if we need to use NEXT_INSN (loop_end).

	* objc-actions.c (build_message_expr): Don't crash if super_type is 0.

Mon Nov  9 07:42:30 1992  Richard Kenner  (kenner at vlsi1.ultra.nyu.edu)

	* caller-save.c (save_call_clobbered_regs): Ensure any insns we add
	are in the same basic block as the insn we added them for.

Mon Nov  9 12:35:57 1992  Torbjorn Granlund  ([e-mail])

	* pa.h (TARGET_*): Move it to the beginning of the file.
	(CPP_SPEC): Handle -mnosnake.
	* pa-ghpux.h pa-hpux.h pa1-ghpux.h pa1-hpux.h pa1.h pa.h: Move
	definition of TARGET_DEFAULT to before inclusion of other pa*h files.
	Only define TARGET_DEFAULT if not already defined.
	Get rid of hpux8 conditionals.

Sun Nov  8 20:38:19 1992  James Van Artsdalen  (james at bigtex.cactus.org)

	* i386.md (movstrsi): mask move count after signed shift.

Sun Nov  8 00:24:30 1992  Richard Stallman  ([e-mail])

	* fixinc.svr4: Avoid use of | in sed regexp; use multiple s commands.

	* i386mach.h: Include i386gstabs.h, not i386gas.h.

	* gsyslimits.h: Renamed from syslimits.h.
	* Makefile.in (USER_H): syslimits.h deleted.
	(install-common-headers): Install gsyslimits.h as syslimits.h.
	Depend on gsyslimits.h and assert.h.

	* cccp.c (rescan): Accept # as command inside macro args, etc.
	If an actual newline at the same level precedes.

	* fixincludes (EXINIT): Set it to `set', not null.

	* toplev.c (main): Use strncmp when testing for gstabs+ vs gstabs.

Sat Nov  7 17:46:35 1992  Richard Stallman  ([e-mail])

	* optabs.c (expand_unop):
	For complex negation, do get_insns, not gen_sequence.

	* c-decl.c (finish_decl): Don't clear DECL_INITIAL in inline fn decls.

	* c-typeck.c (process_init_constructor): Strip NOP_EXPR from indices.
	Clear end_index if there's an error in a range.

	* mips-5sysv.h, mips-5svr4.h, mips-5bsd.h (CPP_PREDEFINES):
	Add single-underscore variants of all the predefined symbols.

	* gstddef.h [_ANSI_H_]: When undefing at the end, test _STDDEF_H,
	not __need_ptrdiff_t.

	* mips.c (gen_int_relational): Handle overflow when incrementing cmp1.

Fri Nov  6 23:03:14 1992  Brendan Kehoe  ([e-mail])

	* elxsi.c: Include config.h.

Fri Nov  6 18:53:21 1992  Chip Salzenberg  ([e-mail])

	* i386sco.h (STARTFILE_SPEC): Fix line wrap.
	(SIGNED_CHAR_SPEC): Defined to set _CHAR_UNSIGNED.

Fri Nov  6 19:06:56 1992  Jim Wilson  ([e-mail])

	* dbxout.c (dbxout_symbol): Give name ` ' to unnamed enums.

Fri Nov  6 15:26:30 1992  Richard Kenner  (kenner at vlsi1.ultra.nyu.edu)
 
	* optabs.c (init_libfuncs): Add casts when comparing/incrementing enum.
 
Fri Nov  6 15:41:00 1992  Richard Stallman  ([e-mail])

	* toplev.c (main): Really accept -gstabs+.

Fri Nov  6 06:46:22 1992  Tom Wood  ([e-mail])

	* m88k.md (tcnd_divide_by_zero, divsi3, udivsi3): Allow the
	explicit trap for divide by zero to resume execution along the
	expected path.

	* t-m88kv4 (FIXINCLUDES): Delete.

Fri Nov  6 03:08:13 1992  Richard Stallman  ([e-mail])

	* i386.md (andsi3): Mask immed op to 0xff in QI-reg ff00-byte case.

	* gstddef.h: Find ansi.h in machine subdir.
	[__need_ptrdiff_t]: Don't undef _SIZE_T_ or _WCHAR_T_.
	* gvarargs.h, gstdarg.h: Don't test, define or undef _VA_LIST_
	on NET 2 systems.  Don't include ansi.h.

	* c-lex.c (readescape): Support \e like \E.  Warn only if -pedantic.

Fri Nov  6 08:34:17 1992  Tim Moore  (moore at defmacro.cs.utah.edu)

	* integrate.c (copy_rtx_and_substitute)[ARGS_GROW_DOWNWARD]: Map
	virtual args pointer to the top of the argument block.
	* calls.c (expand_call)[ARGS_GROW_DOWNWARD] Fix fencepost error in
	calculating high_to_save and low_to_save.  Use - high_to_save to
	address stack_area.

Fri Nov  6 00:41:53 1992  Paul Eggert  ([e-mail])

	* sparc.h (TARGET_EDOM, GEN_ERRNO_RTX): Deleted.

Thu Nov  5 18:55:44 1992  Richard Kenner  ([e-mail])

	* alpha.c (output_prologue): Fix typo: `add' should be `addq'.

Thu Nov  5 18:35:43 1992  Richard Stallman  ([e-mail])

	* Makefile.in (install-fixincludes): Add semicolon in new for-loop.

Thu Nov  5 15:24:14 1992  Michael Meissner  ([e-mail])

	* i386rose.h, decrose.h (REAL_LD_FILE_NAME): Define to be the
	correct location on OSF/1 -- /usr/bin/ld points to
	/usr/ccs/gcc/ld, which is collect.
	(REAL_NM_FILE_NAME): Ditto for nm.
	(REAL_STRIP_FILE_NAME): Ditto for strip.

Wed Nov  4 13:36:10 1992  Jim Wilson  ([e-mail])

	* optabs.c (expand_binop): When trying to expand a multiple word
	add into multiple single word adds, don't overwrite OP0 and OP1 in
	case we must backtrack.  We use instead new variables XOP0 and XOP1.

Wed Nov  4 16:45:53 1992  Richard Stallman  ([e-mail])

	* config.sub: Don't discard SCO version number if it's 3.2v4.

	* xm-vax-vms.h (HOST_FLOAT_FORMAT): Defined.

	* varasm.c: Fix typos in last change.

Wed Nov  4 10:11:28 1992  Torbjorn Granlund  ([e-mail])

	* va-pa.h (va_end): Do it like in other va-*.h files.

Wed Nov  4 07:23:46 1992  Richard Kenner  ([e-mail])

	* local-alloc.c (optimize_reg_copy_1): If P is a CALL_INSN, count
	it as being crossed by SRC since SRC used to die there.

Wed Nov  4 00:13:51 1992  Richard Stallman  ([e-mail])

	* x-next (libgcc2.a, stdarg.h): New rules.

	* varasm.c (immed_real_const_1, immed_double_const):
	Don't push on const_double_chain in nested function.

	* expr.c (emit_move_insn): Do return a value, in complex case.

Tue Nov  3 10:45:09 1992  H.J. Lu  ([e-mail])

	* i386linux.h (STARTFILE_SPEC): -static is added to ld if 
	  -pg, -g or -p is passed down by gcc.

Tue Nov  3 15:14:48 1992  Richard Stallman  ([e-mail])

	* pa.c (output_ior): Handle "ior" against zero.

	* i386mach.h (YES_UNDERSCORES): Define it.

	* sun3.h (ASM_OUTPUT_FLOAT_OPERAND): Use REAL_VALUE_MINUS_ZERO.
	(ASM_OUTPUT_DOUBLE_OPERAND): Likewise.

Tue Nov  3 08:25:35 1992  Chris Smith  ([e-mail])

	* convex.h (REG_CLASS_FROM_LETTER): Add 'A', index regs.
	(movsi alternative): Use it to make psh.w sp (push the
	stack pointer) a noninstruction.

Tue Nov  3 08:05:10 1992  Richard Kenner  ([e-mail])

	* jump.c (jump_optimize): Ensure operand of REG_NOTES is an INSN;
	otherwise, we might try to read outside allocated memory.

	* va-alpha.h (va_end): Don't define enum if va_end already defined.

Tue Nov  3 02:56:22 1992  Richard Stallman  ([e-mail])

	* objc/Makefile: Use $(srcdir), not `..'.

	* objc-actions.c (build_message_expr): Use save_expr for receiver.

	* va-i860.h (va_end, anonymous enum): Don't declare if
	va_end already defined as macro.
	* va-mips.h, va-i960.h (va_end): If already a macro, don't declare.

Mon Nov  2 21:17:40 1992  Paul Eggert  ([e-mail])

	* va-sparc.h (va_end): If already def as macro, don't declare.

Mon Nov  2 16:04:51 1992  Richard Stallman  ([e-mail])

	* i386linux.h: Include i386gstabs.h, not i386gas.h.

Mon Nov  2 14:46:31 1992  Richard Kenner  (kenner at vlsi1.ultra.nyu.edu)

	* Makefile.in (install-cross-tools): Delete old symlink before
	making new one; else symlink will fail and we will use
	backed strategy.

Sun Nov  1 17:55:56 1992  Jim Wilson  ([e-mail])

	* varasm.c (decode_rtx_const): Handle PC same as LABEL_REF.

Sun Nov  1 03:19:39 1992  Richard Stallman  ([e-mail])

	* Version 2.3.1 released.

	* x-i386s4: Renamed from x-i386sco4.
	* configure (i[34]86-*-sco*): Use new name.

	* sol2-c1.asm, sol2-ci.asm, sol2-cn.asm: Renamed from sol2-crt...
	* t-sol2: User new names.

Sat Oct 31 15:19:54 1992  Richard Stallman  ([e-mail])

	* Version 2.3 released.

	* Makefile.in (install-libobjc): New target.
	($(srcdir)/gcc.dvi, $(srcdir)/cpp.dvi): New targets.
	(extraclean): rm *diff, *lose, config/*lose.
	(mostlyclean): rm config/core.

	* objc-actions.c (OBJC_SELECTORS_WITHOUT_LABELS): Define by default.

Fri Oct 30 20:11:52 1992  James Van Artsdalen  (james at bigtex.cactus.org)

	* i386.c (output_move_double): Undo 10/25 change.  Handle case
	where part of a dest reg is used in a src mem rtx, without using
	stack.

Fri Oct 30 18:52:57 1992  Michael Meissner  ([e-mail])

	* mips.h (MIPS_VERSION): Bump meissner version number to 28.

	* mips.md (addsi3, subsi3): Don't allow -32768 as the second
	operand, the assembler complains if the instruction fills a delay
	slot.

Fri Oct 30 16:11:37 1992  Richard Stallman  ([e-mail])

	* combine.c (simplify_shift_const):
	For a subreg, require subreg_lowpart_p and not paradoxical.

	* Makefile.in (install-fixincludes): Ignore dirs that don't exist.

Thu Oct 29 20:15:44 1992  Richard Stallman  ([e-mail])

	* gvarargs.h, gstdarg.h [4.3 net 2]: If _VA_LIST_, is undefined
	then va_list is already declared.

	* i386gas.h (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): 
	Override, if NO_UNDERSCORES.

Thu Oct 29 17:30:52 1992  Richard Kenner  ([e-mail])

	* flow.c (life_analysis): Mark FP live at end of function.
	* reload1.c (reload): If FP was eliminated, remove it from
	being live in any basic block.

	* varasm.c (output_constant_pool): Labels can be deleted by being
	turned into NOTEs, not just have INSN_DELETED_P.

Thu Oct 29 16:15:47 1992  Richard Stallman  ([e-mail])

	* gstdarg.h: Use _ANSI_STDARG_H_, not _ANSI_STDARG_H.

	* gstddef.h [4.3 net 2]: If _SIZE_T_, etc. are undefined
	then type is already declared.

	* m68k.c (print_operand_address) [MOTOROLA !SGS]:
	Don't subtract 2 in the address displacement.

Thu Oct 29 14:36:23 1992  Michael Meissner  ([e-mail])

	* libgcc2.c (__builtin_vec_new): #undef NULL before including
	stdio.h to prevent redeclaration message.
	(pyramid __enable_execute_stack): Ditto.

	* i386rose.h (YES_UNDERSCORES): Define.
	(ASM_OUTPUT_LABELREF): Don't redefine.

	* mips.h (ASM_FINAL_SPEC): If cross compiling, don't invoke
	mips-tfile by default.

	* decrose.h (ASM_FINAL_SPEC): If cross compiling, don't invoke
	mips-tfile by default.

	* mips-tdump.c, mips-tfile.c:  Handle the case where CROSS_COMPILE
	is defined more gracefully.

Thu Oct 29 12:10:16 1992  Tim Moore  (moore at defmacro.cs.utah.edu)

	* combine.c (make_extraction): Fix paren error in if for INNER is reg.

Thu Oct 29 13:49:03 1992  Jim Wilson  ([e-mail])

	* xm-mipsbsd.h: Really delete file.

Thu Oct 29 02:48:28 1992  Tom Wood  ([e-mail])

	* dwarfout.c, arm.c, m88k.c: Include "assert.h" instead of <assert.h>.

Thu Oct 29 00:43:00 1992  Richard Stallman  ([e-mail])

	* gstddef.h [4.3 net 2]: Force inclusion of ansi.h.
	Undef _SIZE_T_, _PTRDIFF_T_, _WCHAR_T_ at end.

	* Makefile.in (libgcc2.a, libgcc1.a): Use || to exit if cp fails.
	(install-float-h-cross): Use fi, not done.
	Write float.h in $(tmpdir), not in `.'.
	(tmpdir): New variable.

	* i386gas.h (NO_UNDERSCORES): Test was backwards.
	(SDB_DEBUGGING_OUTPUT): Defined.

Wed Oct 28 16:33:34 1992  Richard Stallman  ([e-mail])

	* gstdarg.h, gvarargs.h:
	On Net 2 system, don't test, define or undef _VA_LIST_.
	Use _ANSI_H_, __BSD_NET2__ and ____386BSD____ to test for this.

	* i386bsd.h (CPP_PREDEFINES): Add ____386BSD____.

	* c-decl.c (pushdecl): Allow redeclaring builtin as any sort of static.

	* Makefile.in (install-cross-tools): Fix typo.
	(all.build): Dep on xgcc instead of $(GCC_PASSES).

Wed Oct 28 15:25:42 1992  Tom Wood  ([e-mail])

	* m88k.c (print_operand): When AS_BUG_FLDCR is defined, use alternate
	fldcr form.
	* m88kdgux.h (AS_BUG_FLDCR): Define to accomodate 4.30 assembler bug.

	* m88kv3.h (CPP_PREDEFINES): Add -Dunix.

	* m88kdolph.h (SDB_ALLOW_FORWARD_REFERENC