diff options
Diffstat (limited to 'sysdeps/i386/i686/memcpy.S')
| -rw-r--r-- | sysdeps/i386/i686/memcpy.S | 29 |
1 files changed, 17 insertions, 12 deletions
diff --git a/sysdeps/i386/i686/memcpy.S b/sysdeps/i386/i686/memcpy.S index eab6855d57..8e8cc41fbc 100644 --- a/sysdeps/i386/i686/memcpy.S +++ b/sysdeps/i386/i686/memcpy.S @@ -1,7 +1,7 @@ /* Copy memory block and return pointer to beginning of destination block For Intel 80x86, x>=6. This file is part of the GNU C Library. - Copyright (C) 1999 Free Software Foundation, Inc. + Copyright (C) 1999, 2000 Free Software Foundation, Inc. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999. The GNU C Library is free software; you can redistribute it and/or @@ -21,20 +21,23 @@ #include <sysdep.h> #include "asm-syntax.h" +#include "bp-asm.h" -/* memcpy: - INPUT PARAMETER: - dest (sp + 4) - src (sp + 8) - len (sp + 12) -*/ +#define PARMS LINKAGE /* no space for saved regs */ +#define RTN PARMS +#define DEST RTN+RTN_SIZE +#define SRC DEST+PTR_SIZE +#define LEN SRC+PTR_SIZE + .text ENTRY(memcpy) - movl 12(%esp), %ecx + ENTER + + movl LEN(%esp), %ecx movl %edi, %eax - movl 4(%esp), %edi + movl DEST(%esp), %edi movl %esi, %edx - movl 8(%esp), %esi + movl SRC(%esp), %esi cld shrl $1, %ecx jnc 1f @@ -46,6 +49,8 @@ ENTRY(memcpy) movsl movl %eax, %edi movl %edx, %esi - movl 4(%esp), %eax - ret + movl DEST(%esp), %eax + + LEAVE + RET_PTR END(memcpy) |