1 /* { dg-do compile } */
2 /* { dg-require-effective-target fpic } */
3 /* { dg-require-effective-target ia32 } */
4 /* { dg-options "-O2 -fPIC" } */
5 typedef unsigned int size_t;
6  char *
__mempcpy_by2(char * __dest,__const char * __src,size_t __srclen)7 __mempcpy_by2 (char *__dest, __const char *__src, size_t __srclen)
8 {
9   register char *__tmp = __dest;
10   register unsigned long int __d0, __d1;
11   __asm__ __volatile__
12     (
13      "shrl      $1,%3\n\t"
14      "jz        2f\n"
15      "1:\n\t"
16      "movl      (%2),%0\n\t"
17      "leal      4(%2),%2\n\t"
18      "movl      %0,(%1)\n\t"
19      "leal      4(%1),%1\n\t"
20      "decl      %3\n\t"
21      "jnz       1b\n"
22      "2:\n\t"
23      "movw      (%2),%w0\n\t"
24      "movw      %w0,(%1)"
25      : "=&q" (__d0), "=r" (__tmp), "=&r" (__src), "=&r" (__d1),
26        "=m" ( *(struct { __extension__ char __x[__srclen]; } *)__dest)
27      : "1" (__tmp), "2" (__src), "3" (__srclen / 2),
28        "m" ( *(struct { __extension__ char __x[__srclen]; } *)__src)
29      : "cc");
30   return __tmp + 2;
31 }
32