Subversion Repositories openrisc_2011-10-31

/* { dg-do compile } */

/* { dg-require-effective-target fpic } */

/* { dg-options "-O2 -fPIC" } */

typedef unsigned int size_t;

 char *

__mempcpy_by2 (char *__dest, __const char *__src, size_t __srclen)

{

  register char *__tmp = __dest;

  register unsigned long int __d0, __d1;

  __asm__ __volatile__

    ("shrl      $1,%3\n\t"

     "jz        2f\n"

     "1:\n\t"

     "movl      (%2),%0\n\t"

     "leal      4(%2),%2\n\t"

     "movl      %0,(%1)\n\t"

     "leal      4(%1),%1\n\t"

     "decl      %3\n\t"

     "jnz       1b\n"

     "2:\n\t"

     "movw      (%2),%w0\n\t"

     "movw      %w0,(%1)"

     : "=&q" (__d0), "=r" (__tmp), "=&r" (__src), "=&r" (__d1),

       "=m" ( *(struct { __extension__ char __x[__srclen]; } *)__dest)

     : "1" (__tmp), "2" (__src), "3" (__srclen / 2),

       "m" ( *(struct { __extension__ char __x[__srclen]; } *)__src)

     : "cc");

  return __tmp + 2;

}