Subversion Repositories openrisc

/* { dg-do compile } */

/* { dg-options "-O2 -fdump-tree-optimized" } */

int foo (int n)

{

  while (n >= 45)

    n -= 45;

  return n;

}

int bar (int n)

{

  while (n >= 64)

    n -= 64;

  return n;

}

int bla (int n)

{

  int i = 0;

  while (n >= 45)

    {

      i++;

      n -= 45;

    }

  return i;

}

int baz (int n)

{

  int i = 0;

  while (n >= 64)

    {

      i++;

      n -= 64;

    }

  return i;

}

/* The loops computing division/modulo by 64 should be eliminated */

/* { dg-final { scan-tree-dump-times "if" 6 "optimized" } } */

/* There should be no division/modulo in the final dump (division and modulo

   by 64 are done using bit operations).  */

/* { dg-final { scan-tree-dump-times "/" 0 "optimized" } } */

/* { dg-final { scan-tree-dump-times "%" 0 "optimized" } } */

/* { dg-final { cleanup-tree-dump "optimized" } } */