diff options
Diffstat (limited to 'newlib/libc/machine/i386/memcpy.S')
| -rw-r--r-- | newlib/libc/machine/i386/memcpy.S | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/newlib/libc/machine/i386/memcpy.S b/newlib/libc/machine/i386/memcpy.S deleted file mode 100644 index bf1dd6b..0000000 --- a/newlib/libc/machine/i386/memcpy.S +++ /dev/null @@ -1,58 +0,0 @@ -/* - * ==================================================== - * Copyright (C) 1998 by Cygnus Solutions. All rights reserved. - * - * Permission to use, copy, modify, and distribute this - * software is freely granted, provided that this notice - * is preserved. - * ==================================================== - */ - - #include "i386mach.h" - - .global SYM (memcpy) - -SYM (memcpy): - - pushl ebp - movl esp,ebp - subl $16,esp - pushl edi - pushl esi - movl 8(ebp),edi - movl 12(ebp),esi - movl 16(ebp),ecx - cld - -#ifndef __OPTIMIZE_SIZE__ -/* if aligned on long boundary, move doublewords at a time first */ - - movl edi,eax - orl esi,eax - testb $3,al - jne BYTEMOVE - shrl $2,ecx - rep - movsl - -/* calculate any remainder bytes after moving doublewords */ - - movl 16(ebp),ecx - andl $3,ecx -#endif /* not __OPTIMIZE_SIZE__ */ - -/* move any unaligned bytes or remainder bytes, one at a time */ - -BYTEMOVE: - rep - movsb - -/* return destination address */ - - movl 8(ebp),eax - - leal -24(ebp),esp - popl esi - popl edi - leave - ret |