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