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/* PR optimization/8746 */
/* { dg-do run { target i?86-*-* x86_64-*-* } } */
/* { dg-require-effective-target ilp32 } */
/* { dg-options "-O1 -mtune=i586" } */
 
extern void abort (void);
 
unsigned char r0;
 
int foo(int x)
{
  unsigned char r = x&0xf0;
 
  if (!(r&0x80))
  {
    r0 = r;
    return 0;
  }
  else
    return 1;
}
 
int main(void)
{
  if (foo(0x80) != 1)
    abort();
 
   return 0;
}