diff options
Diffstat (limited to 'newlib/libc/machine/i386/memcpy.S')
-rw-r--r-- | newlib/libc/machine/i386/memcpy.S | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/newlib/libc/machine/i386/memcpy.S b/newlib/libc/machine/i386/memcpy.S deleted file mode 100644 index b53e2a17b..000000000 --- a/newlib/libc/machine/i386/memcpy.S +++ /dev/null @@ -1,74 +0,0 @@ -/* - * ==================================================== - * Copyright (C) 1998, 2002 by Red Hat Inc. 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) - SOTYPE_FUNCTION(memcpy) - -SYM (memcpy): - - pushl ebp - movl esp,ebp - pushl esi - pushl edi - pushl ebx - movl 8(ebp),edi - movl 16(ebp),ecx - movl 12(ebp),esi - cld - -#ifndef __OPTIMIZE_SIZE__ - - cmpl $8,ecx - jbe .L3 - -/* move any preceding bytes until destination address is long word aligned */ - - movl edi,edx - movl ecx,ebx - andl $3,edx - jz .L11 - movl $4,ecx - subl edx,ecx - andl $3,ecx - subl ecx,ebx - rep - movsb - - mov ebx,ecx - -/* move bytes a long word at a time */ - -.L11: - shrl $2,ecx - .p2align 2 - rep - movsl - - movl ebx,ecx - andl $3,ecx - -#endif /* !__OPTIMIZE_SIZE__ */ - -/* handle any remaining bytes */ - -.L3: - rep - movsb -.L5: - movl 8(ebp),eax - - leal -12(ebp),esp - popl ebx - popl edi - popl esi - leave - ret |