ia64/linux-2.6.18-xen.hg

view arch/i386/lib/strstr.c @ 647:a5bb490065f6

Fix the build after public header sync.
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
author Keir Fraser <keir.fraser@citrix.com>
date Wed Aug 13 14:01:49 2008 +0100 (2008-08-13)
parents 831230e53067
children
line source
1 #include <linux/string.h>
3 char * strstr(const char * cs,const char * ct)
4 {
5 int d0, d1;
6 register char * __res;
7 __asm__ __volatile__(
8 "movl %6,%%edi\n\t"
9 "repne\n\t"
10 "scasb\n\t"
11 "notl %%ecx\n\t"
12 "decl %%ecx\n\t" /* NOTE! This also sets Z if searchstring='' */
13 "movl %%ecx,%%edx\n"
14 "1:\tmovl %6,%%edi\n\t"
15 "movl %%esi,%%eax\n\t"
16 "movl %%edx,%%ecx\n\t"
17 "repe\n\t"
18 "cmpsb\n\t"
19 "je 2f\n\t" /* also works for empty string, see above */
20 "xchgl %%eax,%%esi\n\t"
21 "incl %%esi\n\t"
22 "cmpb $0,-1(%%eax)\n\t"
23 "jne 1b\n\t"
24 "xorl %%eax,%%eax\n\t"
25 "2:"
26 :"=a" (__res), "=&c" (d0), "=&S" (d1)
27 :"0" (0), "1" (0xffffffff), "2" (cs), "g" (ct)
28 :"dx", "di");
29 return __res;
30 }