Subversion Repositories openrisc

/* { dg-do compile } */

/* { dg-options "-O2 -fdump-tree-dce2" } */

struct X { float array[2]; };

struct X a,b;

float foobar () {

  float s = 0;

  unsigned int d;

  struct X c;

  for (d=0; d<2; ++d)

    c.array[d] = a.array[d] * b.array[d];

  for (d=0; d<2; ++d)

    s+=c.array[d];

  return s;

}

/* The temporary structure should have been promoted to registers

   by FRE after the loops have been unrolled by the early unrolling pass.  */

/* { dg-final { scan-tree-dump-not "c\.array" "dce2" } } */

/* { dg-final { cleanup-tree-dump "dce2" } } */