Subversion Repositories openrisc_2011-10-31

/* { dg-do compile } */

/* { dg-require-effective-target ilp32 } */

/* { dg-options "-O2 -march=k6" } */

static inline void *

baz (void *s, unsigned long c, unsigned int count)

{

  int d0, d1;

  __asm__ __volatile__ (""

                        : "=&c" (d0), "=&D" (d1)

                        :"a" (c), "q" (count), "0" (count / 4), "1" ((long) s)

                        :"memory");

  return s;

}

struct A

{

  unsigned long *a;

};

inline static void *

bar (struct A *x, int y)

{

  char *ptr;

  ptr = (void *) x->a[y >> 12];

  ptr += y % (1UL << 12);

  return (void *) ptr;

}

int

foo (struct A *x, unsigned int *y, int z, int u)

{

  int a, b, c, d, e;

  z += *y;

  c = z + u;

  a = (z >> 12) + 1;

  do

    {

      b = (a << 12);

      d = b - z;

      e = c - z;

      if (e < d)

        d = e;

      baz (bar (x, z), 0, d);

      z = b;

      a++;

    }

  while (z < c);

  return 0;

}