Subversion Repositories openrisc

/* { dg-do compile } */

/* { dg-options "-O -fstrict-aliasing -fdump-tree-optimized" } */

struct S { float f; int i; };

struct R { int x; int i; };

/* Strict-aliasing rules say that int and float do not alias.  */

int bar(struct S *s, int *i)

{

  *i = 0;

  s->f = 1.0;

  return *i;

}

/* Strict-aliasing rules say that S and R do not alias.  */

int foo(struct S *s, struct R *r)

{

  r->i = 0;

  s->i = 1;

  return r->i;

}

/* { dg-final { scan-tree-dump-times "return 0;" 2 "optimized" } } */

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