glibc/sysdeps/i386/i586/add_n.S
Ulrich Drepper ae828bc6f9 Update.
1998-03-02 17:55  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/i386/add_n.S: Change to use ENTRY and END macro.
	* sysdeps/i386/addmul_1.S: Likewise.
	* sysdeps/i386/lshift.S: Likewise.
	* sysdeps/i386/mul_1.S: Likewise.
	* sysdeps/i386/rshift.S: Likewise.
	* sysdeps/i386/sub_n.S: Likewise.
	* sysdeps/i386/submul_1.S: Likewise.
	* sysdeps/i386/i586/add_n.S: Likewise.
	* sysdeps/i386/i586/addmul_1.S: Likewise.
	* sysdeps/i386/i586/lshift.S: Likewise.
	* sysdeps/i386/i586/mul_1.S: Likewise.
	* sysdeps/i386/i586/rshift.S: Likewise.
	* sysdeps/i386/i586/sub_n.S: Likewise.
	* sysdeps/i386/i586/submul_1.S: Likewise.

	* sysdeps/i386/sysdep.h: Extend last change.

	* sysdeps/unix/sysv/linux/i386/sysdep.h: Follow Intel's advice
	to have only one exit point for functions.

1998-03-02  Ulrich Drepper  <drepper@cygnus.com>

	* configure.in: Fix msgfmt test.  Fix handling of //s in sysdeps
	search.

1998-03-02 13:28  Ulrich Drepper  <drepper@cygnus.com>

	* Makerules: Generate libc.so with absolute paths for the used
	shared objects.

	* config.make.in: Add MAKEINFO definition.

1998-03-02  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/i386/sysdep.h (ASM_SIZE_DIRECTIVE): Add ; at the end.
	(ENTRY): Use STABS_FUN.
	(END): Use STABS_FUN_END.
	(STABS_FUN, STABS_FUN2, STABS_FUN_END): New macro to emit stabs info.

	* elf/Makefile: Add rules to build sprof program.
	* elf/sprof.c: New file.

1998-02-28  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* misc/syslog.c (openlog_internal): Insert missing closing brace.

1998-02-06  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* configure.in: Check for working msgfmt version (from GNU gettext
	0.10 or later).

1998-03-02  Ulrich Drepper  <drepper@cygnus.com>

	* configure.in: Avoid //s in sysdirs.
	Patch by Roland McGrath.

	* stdlib/a64l.c (a64l): Rewrite by Joe Keane <jgk@jgk.org>.

1998-03-02 07:17  H.J. Lu  <hjl@gnu.org>

	* elf/dl-open.c (_dl_open): Update _dl_global_scope_end when
	setting _dl_global_scope for RTLD_GLOBAL.

1998-02-27  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/unix/make-syscalls.sh: Fix last change so that all
	possible lists of object-suffixes are taken care of.

1998-03-02 10:16  Ulrich Drepper  <drepper@cygnus.com>

	* timezone/private.h: Update from tzcode1998c.
	* timezone/zic.c: Likewise.
	* timezone/antarctica: Updated from tzdata1998c.
	* timezone/asia: Likewise.
	* timezone/australasia: Likewise.
	* timezone/europe: Likewise.
	* timezone/southamerica: Likewise.

1998-03-02  Ulrich Drepper  <drepper@cygnus.com>

	* posix/glob.c (glob_in_dir): Add support for cases insensitive
	VMS.  Patch by John W. Eaton <jwe@bevo.che.wisc.edu>.
1998-03-02 18:02:11 +00:00

128 lines
2.7 KiB
ArmAsm

/* Pentium __mpn_add_n -- Add two limb vectors of the same length > 0 and store
sum in a third limb vector.
Copyright (C) 1992, 94, 95, 96, 97, 98 Free Software Foundation, Inc.
This file is part of the GNU MP Library.
The GNU MP 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 MP 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 MP Library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
MA 02111-1307, USA. */
/*
INPUT PARAMETERS
res_ptr (sp + 4)
s1_ptr (sp + 8)
s2_ptr (sp + 12)
size (sp + 16)
*/
#include "sysdep.h"
#include "asm-syntax.h"
.text
ENTRY(__mpn_add_n)
pushl %edi
pushl %esi
pushl %ebx
pushl %ebp
movl 20(%esp),%edi /* res_ptr */
movl 24(%esp),%esi /* s1_ptr */
movl 28(%esp),%ebp /* s2_ptr */
movl 32(%esp),%ecx /* size */
movl (%ebp),%ebx
decl %ecx
movl %ecx,%edx
shrl $3,%ecx
andl $7,%edx
testl %ecx,%ecx /* zero carry flag */
jz L(end)
pushl %edx
ALIGN (3)
L(oop): movl 28(%edi),%eax /* fetch destination cache line */
leal 32(%edi),%edi
L(1): movl (%esi),%eax
movl 4(%esi),%edx
adcl %ebx,%eax
movl 4(%ebp),%ebx
adcl %ebx,%edx
movl 8(%ebp),%ebx
movl %eax,-32(%edi)
movl %edx,-28(%edi)
L(2): movl 8(%esi),%eax
movl 12(%esi),%edx
adcl %ebx,%eax
movl 12(%ebp),%ebx
adcl %ebx,%edx
movl 16(%ebp),%ebx
movl %eax,-24(%edi)
movl %edx,-20(%edi)
L(3): movl 16(%esi),%eax
movl 20(%esi),%edx
adcl %ebx,%eax
movl 20(%ebp),%ebx
adcl %ebx,%edx
movl 24(%ebp),%ebx
movl %eax,-16(%edi)
movl %edx,-12(%edi)
L(4): movl 24(%esi),%eax
movl 28(%esi),%edx
adcl %ebx,%eax
movl 28(%ebp),%ebx
adcl %ebx,%edx
movl 32(%ebp),%ebx
movl %eax,-8(%edi)
movl %edx,-4(%edi)
leal 32(%esi),%esi
leal 32(%ebp),%ebp
decl %ecx
jnz L(oop)
popl %edx
L(end):
decl %edx /* test %edx w/o clobbering carry */
js L(end2)
incl %edx
L(oop2):
leal 4(%edi),%edi
movl (%esi),%eax
adcl %ebx,%eax
movl 4(%ebp),%ebx
movl %eax,-4(%edi)
leal 4(%esi),%esi
leal 4(%ebp),%ebp
decl %edx
jnz L(oop2)
L(end2):
movl (%esi),%eax
adcl %ebx,%eax
movl %eax,(%edi)
sbbl %eax,%eax
negl %eax
popl %ebp
popl %ebx
popl %esi
popl %edi
ret
END(__mpn_add_n)