generic-library/bionic
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

am 2317275f: Merge "libc: delete x86 memchr.S"

Browse Source 
* commit '2317275f859a685386889139855f2f3314337d53':
  libc: delete x86 memchr.S
This commit is contained in:
Nick Kralevich 2013-05-24 10:43:58 -07:00 committed by Android Git Automerger
commit 080d2aa8dc
1 changed files with 0 additions and 27 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
libc/arch-x86/string/memchr.S
View File

@ -1,27 +0,0 @@
/* $OpenBSD: memchr.S,v 1.3 2005/08/07 11:30:38 espie Exp $ */
/*
* Written by J.T. Conklin <jtc@netbsd.org>.
* Public domain.
*/
#include <machine/asm.h>
ENTRY(memchr)
pushl %edi
movl 8(%esp),%edi /* string address */
movl 12(%esp),%eax /* set character to search for */
movl 16(%esp),%ecx /* set length of search */
testl %ecx,%ecx /* test for len == 0 */
jz L1
cld /* set search forward */
repne /* search! */
scasb
jne L1 /* scan failed, return null */
leal -1(%edi),%eax /* adjust result of scan */
popl %edi
ret
.align 2,0x90
L1: xorl %eax,%eax
popl %edi
ret
END(memchr)