Update.
* sysdeps/i386/i686/mempcpy.S: Fix typos. * sysdeps/i386/i686/strcmp.S: New file. * sysdeps/i386/i686/memcpy.S: New file.
This commit is contained in:
Ulrich Drepper
parent
7ffe2de674
commit
6923133b10
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@ -1,7 +1,11 @@
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1999-01-07 Ulrich Drepper <drepper@cygnus.com>
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* sysdeps/i386/i686/mempcpy.S: Fix typos.
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* sysdeps/i386/i686/memset.S: New file.
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* sysdeps/i386/i686/bzero.S: New file.
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* sysdeps/i386/i686/strcmp.S: New file.
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* sysdeps/i386/i686/memcpy.S: New file.
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* sysdeps/unix/sysv/linux/Makefile [subdir=time] (sysdep_routines):
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Add ntp_adjtime and ntp_gettime.
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@ -0,0 +1,51 @@
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/* Copy memory block and return pointer to beginning of destination block
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For Intel 80x86, x>=6.
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This file is part of the GNU C Library.
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Copyright (C) 1999 Free Software Foundation, Inc.
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Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <sysdep.h>
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#include "asm-syntax.h"
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/* memcpy:
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INPUT PARAMETER:
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dest (sp + 4)
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src (sp + 8)
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len (sp + 12)
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*/
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ENTRY(memcpy)
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movl 12(%esp), %ecx
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movl %edi, %eax
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movl 4(%esp), %edi
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movl %esi, %edx
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movl 8(%esp), %esi
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cld
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shrl $1, %ecx
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jnc 1f
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movsb
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1: shrl $1, %ecx
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jnc 2f
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movsw
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2: rep
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movsl
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movl %eax, %edi
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movl %edx, %esi
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movl 4(%esp), %eax
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ret
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END(memcpy)
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@ -1,7 +1,7 @@
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/* Copy memory block and return pointer to following byte.
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For Intel 80x86, x>=6.
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This file is part of the GNU C Library.
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Copyright (C) 1998 Free Software Foundation, Inc.
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Copyright (C) 1998, 1999 Free Software Foundation, Inc.
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Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
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The GNU C Library is free software; you can redistribute it and/or
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@ -22,7 +22,7 @@
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#include <sysdep.h>
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#include "asm-syntax.h"
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/* strtok:
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/* mempcpy:
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INPUT PARAMETER:
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dest (sp + 4)
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src (sp + 8)
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@ -30,11 +30,11 @@
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*/
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ENTRY(__mempcpy)
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movl 12(%esp), %ecx
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movl %edi, %eax
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movl 4(%esp), %edi
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movl %esi, %edx
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movl 8(%esp), %esi
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movl 12(%esp), %ecx
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cld
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shrl $1, %ecx
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jnc 1f
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@ -47,5 +47,5 @@ ENTRY(__mempcpy)
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xchgl %edi, %eax
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movl %edx, %esi
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ret
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END(mempcpy)
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END(__mempcpy)
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weak_alias (__mempcpy, mempcpy)
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@ -2,6 +2,7 @@
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Highly optimized version for ix86, x>=6.
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Copyright (C) 1999 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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@ -69,7 +70,10 @@ ENTRY (memset)
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rep
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stosb
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1: movl 8(%esp), %eax
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1:
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#ifndef memset
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movl 8(%esp), %eax
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#endif
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popl %edi
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ret
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END (memset)
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@ -0,0 +1,48 @@
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/* Highly optimized version for ix86, x>=6.
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Copyright (C) 1999 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <sysdep.h>
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#include "asm-syntax.h"
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/*
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INPUT PARAMETERS:
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s1 (sp + 4)
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s2 (sp + 8)
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*/
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.text
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ENTRY (strcmp)
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movl 4(%esp), %ecx
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movl 8(%esp), %edx
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1: movb (%ecx), %al
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incl %ecx
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cmpb (%edx), %al
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jne 2f
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incl %edx
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testb %al, %al
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jnz 1b
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xorl %eax, %eax
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jmp 3f
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2: movl $1, %eax
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ja 3f
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negl %eax
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3: ret
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END (strcmp)
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