changelog.6

GCC编译器源代码

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_REFERENCES): Don't override.

Wed Oct 28 05:34:11 1992  Richard Kenner  (kenner at vlsi1.ultra.nyu.edu)

	* reload1.c (gen_input_reload): In PLUS, if OP0 and OP1 are the
	same, use RELOADREG when generating the addition.

	* reload.c (find_reloads_address): When copying memref after we've
	made recursive calls on it, copy any replacements we made.

	* combine.c (can_combine_p): Don't substitute an expression
	containing a register that will be clobbered in I3.

	* objc/core.c, objc/hash.c: Include tconfig.h, not config.h.
	Include gstdarg.h.
	* objc/object.m: Include tconfig.h, not config.h.
	Include gstdarg.h before stdio.h.
	* objc/objc.h: Don't include gstdarg.h here.
	* objc/objc-proto.h (CLASS_LOCATION_SHIFT): Use HOST_BITS_PER_LONG,
	not BITS_PER_WORD.
	(setClassNumber, getClassNumber): `info' field is long, not int.

Wed Oct 28 10:54:50 1992  Michael Meissner  ([e-mail])

	* libgcc2.c (L_caps_new): Properly close comment.

Wed Oct 28 05:50:10 1992  Torbjorn Granlund  ([e-mail])

	* pa.md (mulsi): Input predicates back to srcsi_operands.
	Don't handle constants specifically for TARGET_SNAKE, but call
	force_reg to put them in registers.
	(indexed addressing mode patterns): Remove the patterns with
	unscaled index.  Switch off patterns that never match.

	* longlong.h (file header): Add comment describing sdiv_qrnnd.
	(__hppa sub_ddmmss): Swap input operands.

	* gcc.c (process_command): Check that we have enough arguments.

Wed Oct 28 00:40:18 1992  Richard Stallman  ([e-mail])

	* configure (i[34]86-*-sysv*): Take note of $stabs.
	* i386gas.h (SDB_DEBUGGING_INFO): #undef deleted.
	(DBX_DEBUGGING_INFO): Definition deleted.
	* i386gstabs.h: New file.

	* Makefile.in (mostlyclean): Don't delete tmp-limits.h.

	* i386vgas.h: File deleted.

Tue Oct 27 15:35:51 1992  Richard Stallman  ([e-mail])

	* libgcc2.c: Include stdio.h.
	[__GNU_LIBRARY__] (write): Defined.

	* Makefile.in (install-cross-tools): When handling $(tooldir)/include,
	do all cd's starting from build directory.

	* i386gas.h (NO_UNDERSCORES): Don't define, if YES_UNDERSCORES.
	* i386linux.h (YES_UNDERSCORES): Defined.

Tue Oct 27 14:17:43 1992  Jim Wilson  ([e-mail])

	* configure (i[34]86-*-linux): Set broken_install.
	* x-linux (INSTALL): Delete.
	* x-iris (INSTALL): Delete.

Tue Oct 27 13:39:22 1992  Tim Moore  ([e-mail])

	* pa.h (ASM_GLOBALIZE_LABEL): Give function symbols CODE type,
	others DATA type.

Mon Oct 26 16:40:43 1992  Richard Stallman  ([e-mail])

	* c-typeck.c (build_c_cast): Don't warn about size change between
	pointer and integer if the value is constant.

	* Makefile.in (libobjc.a): If ln fails, copy libobjc.a.

Mon Oct 26 16:21:11 1992  Tim Moore  ([e-mail])

	* pa.h (EXPORT_PARMS, ASM_DECLARE_FUNCTION): Blow away usage of
	EXPORT_PARMS.  BUGGY_GAS isn't a problem any more.
	(TEXT_SPACE_P, FUNCTION_NAME_P): New macros.
	(ENCODE_SECTION_INFO): Use TEXT_SPACE_P.
	(STRIP_NAME_ENCODING): Strip a '*' which might preceed a '@'.
	(ASM_OUTPUT_EXTERNAL): Give only function labels a CODE type.
	(ASM_OUTPUT_LABELREF): Use FUNCTION_NAME_P.
	* pa.c (hppa_encode_label): Change function name encoding to
	preserve leading '*' if there is one.
	(function_label_operand): Use FUNCTION_NAME_P macro.

Mon Oct 26 14:39:46 1992  Torbjorn Granlund  ([e-mail])

	From Tim Moore:
	* function.c (locate_and_pad_parm): In ARGS_GROW_DOWNWARD case,
	don't pad to argument alignment if where_pad is downward.

Mon Oct 26 11:21:36 1992  Chris Smith  ([e-mail])

	* convex.h (SHIFT_COUNT_TRUNCATED): Undefine.

Mon Oct 26 07:48:35 1992  Richard Kenner  ([e-mail])

	* alpha.c (print_operand, new 'L'): New case.
	* alpha.md (movhi/movqi patterns): For long constants, use 'i'
	constraint instead of 'K'; use "%L1" in template.

	* configure (alpha): Set use_collect2.

Mon Oct 26 04:19:24 1992  Richard Stallman  ([e-mail])

	* xm-alpha.h: Declare calloc.

Sun Oct 25 17:19:52 1992  Richard Stallman  ([e-mail])

	* function.c (fixup_var_refs_insns): Don't call delete_insn if not -O.
	Make a NOTE_INSN_DELETED instead.

Sun Oct 25 11:57:04 1992  Chris Smith  ([e-mail])

	* convex.h (target_flags): prevent -mnoc2 from clearing
	TARGET_INDIRECTS.
	(TARGET_INDIRECTS): Always on.

Sun Oct 25 16:56:18 1992  Richard Kenner  (kenner at vlsi1.ultra.nyu.edu)

	* calls.c (expand_call): Don't call convert_to_mode if we obtained
	VALUE in the proper mode; VALUE might be a CONST_INT.

Sun Oct 25 03:18:03 1992  Richard Stallman  ([e-mail])

	* expr.c (gen_push_operand): No longer static.

	* i386.c (output_move_double): Divert first word via the stack
	if it's a register used in the input operand.
	* i386.md (movdi): Delete the `&' from constraint.

Sat Oct 24 21:41:00 1992  Chris Smith  ([e-mail])

	* convex.md (movstrictsi): Correct output constraint is + not =.

Sat Oct 24 14:10:43 1992  Richard Stallman  ([e-mail])

	* news.h (FUNCTION_EPILOGUE): Fix typos.

	* cccp.c (get_lintcmd): Length of `LINTLIBRARY' is 11.

Sat Oct 24 13:22:09 1992  Torbjorn Granlund  ([e-mail])

	* arm.md (DImode patterns): Add `&' to target operand constraints.

	* Makefile.in (setting version variable): Prepend $(srcdir) to
	version.c.

	From Wilson:
	* longlong.h (sparclite): Use machine independent USItype instead
	of explicit types.

Sat Oct 24 10:35:18 1992  Richard Kenner  ([e-mail])

	* rs6000.md (movdi): Tests were in wrong order.

	* rs6000.h (LEGITIMIZE_ADDRESS): Indexed addresses are not valid
	for DImode and TImode; GO_IF_LEGITIMATE_ADDRESS knows this.

	* Makefile.in (mostlyclean): Add missing semicolon.

	* a29k.c (a29k_set_memflags, a29k_set_memflags_1): New functions.
	* a29k.md (movqi, movhi, reload_{in,out}{qi,hi}): Use them.

	* alpha.c (get_aligned_mem): Copy memory flags to new MEM.
	(alpha_set_memflags, alpha_set_memflags_1): New functions.
	* alpha.md (movqi, movhi, reload_{in,out}{qi,hi}): Use new
	functions.

	* alpha.h (ASM_FILE_START): Stop at blank in version string.

Sat Oct 24 04:35:16 1992  Richard Stallman  ([e-mail])

	* reload1.c (emit_reload_insns): If not -O, Don't try find_equiv_reg.
	(choose_reload_regs): If not -O, don't inherit reloads.

Fri Oct 23 18:07:10 1992  Richard Stallman  ([e-mail])

	* news.h (FUNCTION_EPILOGUE):
	If no frame ptr, increment stack ptr to free up the local space.

	* gcc.c (process_command): Discard after first space in spec_version.

	* print-tree.c (print_node): Always output `>' to match `<'.

	* Makefile.in (version): Use sed to extract.
	Ignore excess after space.
	(install-fixincludes): Fix typo in last change.

	* configure (i386-ibm-aix*): Use aix386ng.h if not --with-gas.
	* aix386ng.h: New file.

Fri Oct 23 15:14:49 1992  Brendan Kehoe  ([e-mail])

	* sdbout.c (sdbout_symbol): Return if a symbol's DECL_NAME is
	empty, since we won't be able to make a symtab of it.

	* convex.h (P_tmpdir): Remove definition.
	* xm-convex.h: Put it here.

Fri Oct 23 10:27:34 1992  Michael Meissner  ([e-mail])

	* i386rose.h (ASM_OUTPUT_LABELREF): Define so that external
	identifiers have leading underscores in front of them.

	* mips-tfile.c (parse_stabs_common): Allow stabs with line numbers
	of 0.  These come from g++ for compiler generated functions that
	take arguments.

Fri Oct 23 07:49:12 1992  Richard Kenner  ([e-mail])

 	* romp.c (output_fpops): Add SYMBOL_REF and LABEL_REF cases to
	constants handled.

Fri Oct 23 01:58:12 1992  Richard Stallman  ([e-mail])

	* flow.c (find_basic_blocks): Check for LABEL_REF_NONLOCAL_P
	in label_value_list.
	* jump.c (mark_jump_label): Copy LABEL_REF_NONLOCAL_P from
	LABEL_REF into REG_LABEL note.

	* toplev.c (push_float_handler): Declare arg old_handler.