update from main archive 961105 cvs/libc-961106

Wed Nov  6 04:30:26 1996  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/unix/sysv/linux/syscalls.list: Add weak alias llseek for
	_llseek syscall.  Reported by Andy Sewell <puck@pookhill.demon.co.uk>.

	* string/argz.h: Don't protect by __USE_GNU.

Tue Nov  5 23:38:28 1996  Ulrich Drepper  <drepper@cygnus.com>

	* Lots of files: Update and reformat copyright.

	* Makefile (headers): Add xopen_lim.h.

	* catgets/nl_types.h: Move __BEGIN_DECLS before definition of nl_catd.

	* grp/grp.h: Define setgrent, getgrent, endgrent, and getgrent_r
	if __USE_XOPEN_EXTENDED is defined.
	* pwd/pwd.h: Define setpwent, getpwent, endpwent, and getpwent_r
	if __USE_XOPEN_EXTENDED is defined.

	* io/Makefile (routines): Add lchown.

	* io/sys/poll.h: Add definition of POLLWRNORM.

	* io/sys/stat.h: Declare lstat, fchmod, mknod when
	__USE_XOPEN_EXTENDED is defined.

	* libio/Makefile (routines): Add obprintf.
	* libio/obprintf.c: New file.
	* libio/iolibio.h: Add prototypes for _IO_obstack_vprintf and
	_IO_obstack_printf.
	* libio/libio.h: Fix typo.
	* libio/stdio.h: Declare tempnam if __USE_XOPEN_EXTENDED is defined.
	Add prototypes for obstack_vprintf and obstack_printf.

	* manual/creature.texi: Describe _XOPEN_SOURCE macro.
	* manual/intro.texi: Add reference to NSS chapter.
	* manual/libc.texinfo: Update UPDATED.
	Comment out `@printindex cp'.  It works again.
	* manual/memory.texi: Add description for obstack_ptr_grow,
	obstack_int_grow, obstack_ptr_grow_fast, and obstack_int_grow_fast.
	* manual/nss.texi: Add a few @cindex entries and change NSS_STATUS_*
	index entries to @vindex.
	* manual/users.texi: Correct @cindex entry for Netgroup.

	* math/mathcalls.h: Use __USE_XOPEN and __USE_XOPEN_EXTENDED to
	make declarations visible for X/Open sources.

	* misc/search.h: Declare insque/remque only is __USE_SVID or
	__USE_XOPEN_EXTENDED is defined.

	* misc/sys/uio.h (readv, writev): Change return value from int to
	ssize_t.

	* posix/Makefile (headers): Add re_comp.h.
	* posix/re_comp.h: New file.  XPG interface to regex functions.

	* posix/getconf.c: Add all names from XPG4.2.
	* posix/posix1_lim.h: Increase minimum values for _POSIX_CHILD_MAX
	and _POSIX_OPEN_MAX to minimums from XPG4.2.
	* sysdeps/generic/confname.h: Add all _SC_* names from XPG4.2.
	* sysdeps/posix/sysconf.c: Handle new _SC_* values.
	* sysdeps/stub/sysconf.c: Likewise.

	* posix/unistd.h: Add declaration of ualarm and lchown.  Declare
	usleep, fchown, fchdir, nice, getpgid, setsid, getsid, setreuid,
	setregid, vfork, ttyslot, symlink, readlink, gethostid, truncate,
	ftruncate, getdtablesize, brk, sbrk, lockf when
	__USE_XOPEN_EXTENDED is defined.

	* posix/sys/wait.h: Declare wait3 if __USE_XOPEN_EXTENDED is defined.

	* shadow/shadow.h: Define SHADOW using _PATH_SHADOW.
	* sysdeps/generic/paths.h: Define _PATH_SHADOW.
	* sysdeps/unix/sysv/linux/paths.h: Likewise.

	* signal/signal.h: Declare killpg, sigstack and sigaltstack when
	__USE_XOPEN_EXTENDED is defined.

	* stdio/stdio.h: Declare tempnam when __USE_XOPEN is defined.

	* stdlib/stdlib.h: Make rand48 functions available when __USE_XOPEN
	is defined.
	Likewise for valloc, putenv, realpath, [efg]cvt*, and getsubopt
	functions.

	* string/string.h: Make memccpy, strdup, bcmp, bcopy, bzero, index,
	and rindex available when __USE_XOPEN_EXTENDED is defined.

	* sysdeps/mach/getpagesize.c: De-ANSI-fy.  Change return type to int.
	* sysdeps/posix/getpagesize.c: Likewise.
	* sysdeps/stub/getpagesize.c: Likewise.
	* sysdeps/unix/getpagesize.c: Likewise.

	* time/africa: Update from tzdata1996l.
	* time/asia: Likewise.
	* time/australia: Likewise.
	* time/europe: Likewise.
	* time/northamerica: Likewise.
	* time/pacificnew: Likewise.
	* time/southamerica: Likewise.
	* time/tzfile.h: Update from tzcode1996m.

	* time/time.h: Declare strptime if __USE_XOPEN.
	Declare daylight and timezone also if __USE_XOPEN.

	* time/sys/time.h: Remove declaration of ualarm.

	* wctype/wctype.h: Just reference ISO C standard.

Tue Nov  5 01:26:32 1996  Richard Henderson  <rth@tamu.edu>

	* crypt/Makefile: Add crypt routines to libc as well iff
	$(crypt-in-libc) is set.  Do this for temporary binary compatibility
	on existing Linux/Alpha installations.

	* stdlib/div.c, sysdeps/generic/div.c: Move file to .../generic/.
	* stdlib/ldiv.c, sysdeps/generic/ldiv.c: Likewise.
	* stdlib/lldiv.c, sysdeps/generic/lldiv.c: Likewise.
	* sysdeps/alpha/Makefile (divrem): Add divlu, dviqu, remlu, and
	remqu.
	* sysdeps/alpha/div.S: New file.
	* sysdeps/alpha/ldiv.S: New file.
	* sysdeps/alpha/lldiv.S: New file.
	* sysdeps/alpha/divrem.h: Merge signed and unsigned division.
	Take pointers from Linus and tighten the inner loops a bit.
	* sysdeps/alpha/divl.S: Change defines for merged routines.
	* sysdeps/alpha/divq.S: Likewise.
	* sysdeps/alpha/reml.S: Likewise.
	* sysdeps/alpha/remq.S: Likewise.
	* sysdeps/alpha/divlu.S: Remove file.
	* sysdeps/alpha/divqu.S: Likewise.
	* sysdeps/alpha/remlu.S: Likewise.
	* sysdeps/alpha/remqu.S: Likewise.

	* sysdeps/alpha/bsd-_setjmp.S: If PROF, call _mcount.
	* sysdeps/alpha/bsd-setjmp.S: Likewise.
	* sysdeps/alpha/bzero.S: Likewise.
	* sysdeps/alpha/ffs.S: Likewise.
	* sysdeps/alpha/htonl.S: Likewise.
	* sysdeps/alpha/htons.S: Likewise.
	* sysdeps/alpha/memchr.S: Likewise.
	* sysdeps/alpha/memset.S: Likewise.
	* sysdeps/alpha/s_copysign.S: Likewise.
	* sysdeps/alpha/s_fabs.S: Likewise.
	* sysdeps/alpha/setjmp.S: Likewise.
	* sysdeps/alpha/stpcpy.S: Likewise.
	* sysdeps/alpha/stpncpy.S: Likewise.
	* sysdeps/alpha/strcat.S: Likewise.
	* sysdeps/alpha/strchr.S: Likewise.
	* sysdeps/alpha/strcpy.S: Likewise.
	* sysdeps/alpha/strlen.S: Likewise.
	* sysdeps/alpha/strncat.S: Likewise.
	* sysdeps/alpha/strncpy.S: Likewise.
	* sysdeps/alpha/strrchr.S: Likewise.
	* sysdeps/alpha/udiv_qrnnd.S: Likewise.  Fix private labels.
	Convert two small jumps to use conditional moves.
	* sysdeps/unix/alpha/sysdep.h: Compress all __STDC__ nastiness.
	(PSEUDO): If PROF, call _mcount.
	* sysdeps/unix/sysv/linux/alpha/brk.S: If PROF, call _mcount.
	* sysdeps/unix/sysv/linux/alpha/clone.S: Likewise.
	* sysdeps/unix/sysv/linux/alpha/ieee_get_fp_control.S: Likewise.
	* sysdeps/unix/sysv/linux/alpha/ieee_set_fp_control.S: Likewise.
	* sysdeps/unix/sysv/linux/alpha/llseek.S: Likewise.
	* sysdeps/unix/sysv/linux/alpha/sigsuspend.S: Likewise.
	* sysdeps/unix/sysv/linux/alpha/syscall.S: Likewise.

	* sysdeps/alpha/memcpy.S: New file.  Odd layout because it should
	eventually contain memmove as well.
	* sysdeps/alpha/strcmp.S: New file.
	* sysdeps/alpha/strncmp.S: New file.
	* sysdeps/alpha/w_sqrt.S: New file.

Tue Nov  5 18:06:06 1996  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/mach/hurd/ttyname_r.c: Use `size_t' for len variable.

Tue Nov  5 12:09:29 1996  Ulrich Drepper  <drepper@cygnus.com>

	* sysdep/generic/sysdep.h: Define END only if not yet defined.
	* sysdep/unix/sysdep.h: Define PSEUDO_END only if not yet defined.
	Reported by Thomas Bushnell, n/BSG.

Mon Nov  4 22:46:53 1996  Ulrich Drepper  <drepper@cygnus.com>

	* manual/users.texi (Netgroup Data): Remove { } around @cindex.

Mon Nov  4 19:07:05 1996  Ulrich Drepper  <drepper@cygnus.com>

	* malloc/calloc.c: Check for overflow before trying to allocate
	memory.  Proposed by Neil Matthews <nm@adv.sbc.sony.co.jp>.

Fri Nov  1 18:18:32 1996  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* manual/llio.texi (Operating Modes): Add missing arguments to
	@deftypevr in O_NONBLOCK description.

	* manual/time.texi (Time Zone Functions): Enclose type name in
	braces in description of tzname.  FIXME: this does not yet work
	correctly in info.

Sun Nov  3 17:29:06 1996  Ulrich Drepper  <drepper@cygnus.com>

	* features.h: Add X/Open macros.
	* posix/unistd.h: Define X/Open macros.
	* sysdeps/generic/confname.h: Add _SC_XOPEN_XCU_VERSION,
	_SC_XOPEN_UNIX, _SC_XOPEN_CRYPT, _SC_XOPEN_ENH_I18N,
	_SC_XOPEN_SHM, _SC_2_CHAR_TERM, _SC_2_C_VERSION, and _SC_2_UPE.
	* sysdeps/posix/sysconf.c: Handle new constants.
	* sysdeps/stub/sysconf.c: Likewise.
	* sysdeps/unix/sysv/linux/posix_opt.h: Add definition of _XOPEN_SHM.

	* catgets/catgets.c (catopen): Set errno to ENOMEM when
	we run out of memory.
	(catgets): Set errno to EBADF when catalog handle is invalid.
	Set errno to ENOMSG when translation is not available.
	(catclose): Set errno to EBADF when catalog handle is invalid.

	* ctype/ctype.h: Declare isascii and toascii when __USE_XOPEN.
	Likewise for _toupper and _tolower.

	* manual/arith.texi: Document strtoq, strtoll, strtouq, strtoull,
	strtof, and strtold.
	* manual/math.texi: Document HUGE_VALf and HUGE_VALl.
	* manual/stdio.h: Document ' flag for numeric formats of scanf.
	* manual/users.texi: Document that cuserid shouldn't be used.

	* misc/Makefile (routines): Add dirname.
	(headers): Add libgen.h.
	(tests): Add tst-dirname.
	* misc/dirname.c: New file.
	* misc/libgen.h: New file.
	* misc/tst-dirname.c: New file.

	* misc/search.h: Parameter of hcreate must be of type size_t.
	* misc/hsearch.c: Likewise.
	* misc/hsearch_r.c: Likewise for hcreate_r.
	* misc/search.h: Parameters of insque and remque must be `void *'.
	* misc/insremque.c: Likewise.

	* posix/unistd.h: Move declarations of mktemp and mkstemp to...
	* stdlib/stdlib.h: ...here.
	* posix/unistd.h [__USE_XOPEN]: Add prototypes for crypt, setkey,
	encrypt, and swab.

	* stdio-common/printf-parse.h (struct printf_spec): Add pa_wchar
	and pa_wstring.
	(parse_one_spec): Remove Linux compatibility code.
	Recognize %C and %S formats.
	* stdio-common/printf.h: Add PA_WCHAR and PA_WSTRING.
	* stdio-common/vfprintf.c: Add implementation of %C and %S format.
	* stdio-common/vfscanf.c: Likewise for scanf.

	* stdlib/l64a.c: Return value for 0 must be the empty string.
	* stdlib/stdlib.h: Declare reentrant function from rand49 family
	only if __USE_REENTRANT.
	Declare rand48 functions also if __USE_XOPEN.

	* stdlib/strtol.c: Return 0 and set errno to EINVAL when BASE is
	not a legal value.
	Return 0 and set errno to EINVAL when strou* sees negativ number.
	* stdlib/tst-strtol.c: De-ANSI-fy.
	Change expected results for test of unsigned function and negative
	input.

	* string/stratcliff.c: Prevent warnings.
	* string.h: Move declaration of swab to <unistd.h>.
	* string/swab.c: De-ANSI-fy.

	* sysdeps/posix/cuserid.c: Implement using getpwuid_r.
	* sysdeps/posix/mkstemp.c: Include <stdlib.h> for prototype.
	* sysdeps/posix/mktemp.c: Likewise.
	* sysdeps/stub/mkstemp.c: Likewise.
	* sysdeps/stub/mktemp.c: Likewise.

	* sysvipc/sys/ipc.h: Prototypes of ftok have to be of types `const
 	char *' and `int'.
	* sysvipc/ftok.c: Likewise.  Make sure only lower 8 bits of
 	PROJ_ID are used.

Sun Nov  3 03:21:28 1996  Heiko Schroeder  <Heiko.Schroeder@post.rwth-aachen.de>

	* locale/programs/ld-numeric.c (numeric_output): Compute idx[0]
	correctly.

Sat Nov  2 17:44:32 1996  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/posix/cuserid.c: Use reentrant functions.
	* manual/users.texi: Tell that cuserid is marked to be withdrawn in
	XPG4.2.

Sat Nov  2 14:26:37 1996  Ulrich Drepper  <drepper@cygnus.com>

	Linus said he will make sure no system call will return a value
	in -1 ... -4095 as a valid result.
	* sysdeps/unix/sysv/linux/i386/sysdep.h: Correct test for error.
	* sysdeps/unix/sysv/linux/i386/syscall.S: Likewise.
	* sysdeps/unix/sysv/linux/m68k/sysdep.h: Likewise.
	* sysdeps/unix/sysv/linux/m68k/syscall.S: Likewise.

Sat Nov  2 16:54:49 1996  NIIBE Yutaka  <gniibe@mri.co.jp>

	* sysdeps/stub/lockfile.c [!USE_IN_LIBIO]: Define weak alias for
	__funlockfile, not a circular alias.
	Define __IO_ftrylockfile if USE_IN_LIBIO and __ftrylockfile if not,
	not vice versa.

	* sysdeps/unix/sysv/linux/i386/sysdep.S (__errno_location): Make
	it a weak symbol.
	* sysdeps/unix/sysv/linux/m68k/sysdep.S (__errno_location): Likewise.


	Likewise.

	* crypt/Makefile (rpath-link): Extend search path to current directory.

1 files changed, 173 insertions, 135 deletions

diff --git a/sysdeps/alpha/divrem.h b/sysdeps/alpha/divrem.h
index eaf892b3c6..b83908dc9f 100644
--- a/sysdeps/alpha/divrem.h
+++ b/sysdeps/alpha/divrem.h
@@ -1,25 +1,25 @@
 /* Copyright (C) 1996 Free Software Foundation, Inc.
    Contributed by David Mosberger (davidm@cs.arizona.edu).
 
-This file is part of the GNU C Library.
+   This file is part of the GNU C Library.
 
-The GNU C Library is free software; you can redistribute it and/or
-modify it under the terms of the GNU Library General Public License as
-published by the Free Software Foundation; either version 2 of the
-License, or (at your option) any later version.
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
 
-The GNU C Library is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-Library General Public License for more details.
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
 
-You should have received a copy of the GNU Library General Public
-License along with the GNU C Library; see the file COPYING.LIB.  If
-not, write to the Free Software Foundation, Inc., 675 Mass Ave,
-Cambridge, MA 02139, USA.  */
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If
+   not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+   Cambridge, MA 02139, USA.  */
 
 /* The current Alpha chips don't provide hardware for integer
-division.  The C compiler expects the functions
+   division.  The C compiler expects the functions
 
 	__divqu: 64-bit unsigned long divide
 	__remqu: 64-bit unsigned long remainder
@@ -27,10 +27,10 @@ division.  The C compiler expects the functions
 	__divlu/__remlu: unsigned 32-bit
 	__divls/__remls: signed 32-bit
 
-These are not normal C functions: instead of the normal calling
-sequence, these expect their arguments in registers t10 and t11, and
-return the result in t12 (aka pv). Register AT may be clobbered
-(assembly temporary), anything else must be saved.  */
+   These are not normal C functions: instead of the normal calling
+   sequence, these expect their arguments in registers t10 and t11, and
+   return the result in t12 (aka pv).  Register AT may be clobbered
+   (assembly temporary), anything else must be saved.  */
 
 #include <sysdep.h>
 
@@ -41,147 +41,185 @@ return the result in t12 (aka pv). Register AT may be clobbered
 # include <machine/pal.h>
 #endif
 
-#ifdef DEBUG
-# define arg1		a0
-# define arg2		a1
-# define result		v0
-# define mask		t0
-# define tmp0		t1
-# define tmp1		t2
-# define sign		t3
-# define retaddr	ra
-#else
-# define arg1		t10
-# define arg2		t11
-# define result		t12
-# define mask		v0
-# define tmp0		t0
-# define tmp1		t1
-# define sign		t2
-# define retaddr	t9
-#endif
+#define mask			v0
+#define divisor			t0
+#define compare			AT
+#define tmp1			t2
+#define tmp2			t3
+#define retaddr			t9
+#define arg1			t10
+#define arg2			t11
+#define result			t12
 
-# define divisor	arg2
 #if IS_REM
-# define dividend	result
-# define quotient	arg1
-# define GETDIVIDEND	bis arg1,zero,dividend
+# define DIV_ONLY(x,y...)
+# define REM_ONLY(x,y...)	x,##y
+# define modulus		result
+# define quotient		t1
+# define GETSIGN(x)		mov arg1, x
+# define STACK			32
 #else
-# define dividend	arg1
-# define quotient	result
-# define GETDIVIDEND
+# define DIV_ONLY(x,y...)	x,##y
+# define REM_ONLY(x,y...)
+# define modulus		t1
+# define quotient		result
+# define GETSIGN(x)		xor arg1, arg2, x
+# define STACK			48
 #endif
 
 #if SIZE == 8
-# define LONGIFYarg1	GETDIVIDEND
-# define LONGIFYarg2
-#else
-# if SIGNED
-#  define LONGIFYarg1	addl	arg1,zero,dividend
-#  define LONGIFYarg2	addl	arg2,zero,divisor
-# else
-#  define LONGIFYarg1	zapnot	arg1,0x0f,dividend
-#  define LONGIFYarg2	zapnot	arg2,0x0f,divisor
-# endif
-#endif
-
-#if SIGNED
-# define SETSIGN(sign,reg,tmp)	subq zero,reg,tmp; cmovlt sign,tmp,reg
-# if IS_REM
-#  define GETSIGN(x,y,s)	bis	x,zero,s
-# else
-#  define GETSIGN(x,y,s)	xor	x,y,s
-# endif
+# define LONGIFY(x,y)		mov x,y
+# define SLONGIFY(x,y)		mov x,y
+# define _SLONGIFY(x)
+# define NEG(x,y)		negq x,y
 #else
-# define SETSIGN(sign,reg,tmp)
-# define GETSIGN(x,y,s)
+# define LONGIFY(x,y)		zapnot x,15,y
+# define SLONGIFY(x,y)		sextl x,y
+# define _SLONGIFY(x)		sextl x,x
+# define NEG(x,y)		negl x,y
 #endif
 
 	.set noreorder
 	.set noat
 
-	.ent FUNC_NAME
-	.globl FUNC_NAME
-
-#define FRAME_SIZE	0x30
+	.ent UFUNC_NAME
+	.globl UFUNC_NAME
 
-	.align 5
-FUNC_NAME:
+	.align 3
+UFUNC_NAME:
+	lda	sp, -STACK(sp)
+	.frame	sp, STACK, retaddr, 0
 #ifdef PROF
-	lda	sp, -0x18(sp)
-	stq	ra, 0x00(sp)
-	stq	pv, 0x08(sp)
-	stq	gp, 0x10(sp)
+	stq	ra, 0(sp)
+	stq	pv, 8(sp)
+	stq	gp, 16(sp)
 
 	br	AT, 1f
 1:	ldgp	gp, 0(AT)
 
 	mov	retaddr, ra
-	jsr	AT, _mcount
+	lda	AT, _mcount
+	jsr	AT, (AT), _mcount
 
-	ldq	ra, 0x00(sp)
-	ldq	pv, 0x08(sp)
-	ldq	gp, 0x10(sp)
-	lda	sp, 0x18(sp)
+	ldq	ra, 0(sp)
+	ldq	pv, 8(sp)
+	ldq	gp, 16(sp)
 #endif
-	.frame	sp, FRAME_SIZE, retaddr, 0
-	lda	sp,-FRAME_SIZE(sp)
-	.prologue 1
-	stq	arg1,0x00(sp)
-	LONGIFYarg1
-	stq	arg2,0x08(sp)
-	LONGIFYarg2
-	stq	mask,0x10(sp)
-	bis	zero,1,mask
-	stq	tmp0,0x18(sp)
-	bis	zero,zero,quotient
-	stq	tmp1,0x20(sp)
-	beq	divisor,$divbyzero
-	stq	sign,0x28(sp)
-	GETSIGN(dividend,divisor,sign)
-#if SIGNED
-	subq	zero,dividend,tmp0
-	subq	zero,divisor,tmp1
-	cmovlt	dividend,tmp0,dividend
-	cmovlt	divisor,tmp1,divisor
+	.prologue 0
+
+$udiv:
+	stq	t0, 0(sp)
+	LONGIFY	(arg2, divisor)
+	stq	t1, 8(sp)
+	LONGIFY	(arg1, modulus)
+	stq	v0, 16(sp)
+	clr	quotient
+	stq	tmp1, 24(sp)
+	ldiq	mask, 1
+	DIV_ONLY(stq tmp2,32(sp))
+
+	beq	divisor, $divbyzero
+
+	.align 3
+#if SIZE == 8
+	/* Shift divisor left.  */
+1:	cmpult	divisor, modulus, compare
+	blt	divisor, 2f
+	addq	divisor, divisor, divisor
+	addq	mask, mask, mask
+	bne	compare, 1b
+	unop
+2:
+#else
+	/* Shift divisor left using 3-bit shifts as we can't overflow.
+	   This results in looping three times less here, but up to
+	   two more times later.  Thus using a large shift isn't worth it.  */
+1:	cmpult	divisor, modulus, compare
+	s8addq	divisor, zero, divisor
+	s8addq	mask, zero, mask
+	bne	compare, 1b
 #endif
-	/*
-	 * Shift divisor left until either bit 63 is set or until it
-	 * is at least as big as the dividend:
-	 */
-	.align	3
-1:	cmpule	dividend,divisor,AT
-	blt	divisor,2f
-	blbs	AT,2f
-	addq	mask,mask,mask
-	addq	divisor,divisor,divisor
-	br	1b
-
-	.align	3
-2:	addq	mask,quotient,tmp0
-	cmpule	divisor,dividend,AT
-	subq	dividend,divisor,tmp1
-	srl	divisor,1,divisor
-	srl	mask,1,mask
-	cmovlbs	AT,tmp0,quotient
-	cmovlbs	AT,tmp1,dividend
-	bne	mask,2b
-
-	ldq	arg1,0x00(sp)
-	SETSIGN(sign,result,tmp0)
-$done:	ldq	arg2,0x08(sp)
-	ldq	mask,0x10(sp)
-	ldq	tmp0,0x18(sp)
-	ldq	tmp1,0x20(sp)
-	ldq	sign,0x28(sp)
-	lda	sp,FRAME_SIZE(sp)
-	ret	zero,(retaddr),0
+
+	/* Now go back to the right.  */
+3:	DIV_ONLY(addq quotient, mask, tmp2)
+	srl	mask, 1, mask
+	cmpule	divisor, modulus, compare
+	subq	modulus, divisor, tmp1
+	DIV_ONLY(cmovne compare, tmp2, quotient)
+	srl	divisor, 1, divisor
+	cmovne	compare, tmp1, modulus
+	bne	mask, 3b
+
+$done:	ldq	t0, 0(sp)
+	ldq	t1, 8(sp)
+	ldq	v0, 16(sp)
+	ldq	tmp1, 24(sp)
+	DIV_ONLY(ldq tmp2, 32(sp))
+	lda	sp, STACK(sp)
+	ret	zero, (retaddr), 1
 
 $divbyzero:
-	lda	a0,GEN_INTDIV(zero)
+	mov	a0, tmp1
+	ldiq	a0, GEN_INTDIV
 	call_pal PAL_gentrap
-	bis	zero,zero,result	/* if trap returns, return 0 */
-	ldq	arg1,0x00(sp)
+	mov	tmp1, a0
+	clr	result			/* If trap returns, return zero.  */
 	br	$done
 
-	END(FUNC_NAME)
+	.end UFUNC_NAME
+
+	.ent SFUNC_NAME
+	.globl SFUNC_NAME
+
+	.align 3
+SFUNC_NAME:
+	lda	sp, -STACK(sp)
+	.frame	sp, STACK, retaddr, 0
+#ifdef PROF
+	stq	ra, 0(sp)
+	stq	pv, 8(sp)
+	stq	gp, 16(sp)
+
+	br	AT, 1f
+1:	ldgp	gp, 0(AT)
+
+	mov	retaddr, ra
+	jsr	AT, _mcount
+
+	ldq	ra, 0(sp)
+	ldq	pv, 8(sp)
+	ldq	gp, 16(sp)
+#endif
+	.prologue 0
+
+	or	arg1, arg2, AT
+	_SLONGIFY(AT)
+	bge	AT, $udiv		/* don't need to mess with signs */
+
+	/* Save originals and find absolute values.  */
+	stq	arg1, 0(sp)
+	NEG	(arg1, AT)
+	stq	arg2, 8(sp)
+	cmovge	AT, AT, arg1
+	stq	retaddr, 16(sp)
+	NEG	(arg2, AT)
+	stq	tmp1, 24(sp)
+	cmovge	AT, AT, arg2
+
+	/* Do the unsigned division.  */
+	bsr	retaddr, UFUNC_NAME
+
+	/* Restore originals and adjust the sign of the result.  */
+	ldq	arg1, 0(sp)
+	ldq	arg2, 8(sp)
+	GETSIGN	(AT)
+	NEG	(result, tmp1)
+	_SLONGIFY(AT)
+	ldq	retaddr, 16(sp)
+	cmovlt	AT, tmp1, result
+	ldq	tmp1, 24(sp)
+
+	lda	sp, STACK(sp)
+	ret	zero, (retaddr), 1
+
+	.end	SFUNC_NAME