gcc/testsuite/gcc.target/i386/pr46491.c

   1 /* PR tree-optimization/46491 */
   2 /* { dg-do run } */
   3 /* { dg-options "-O2" } */
   4
   5 extern void abort (void);
   6
   7 __attribute__((noinline)) int
   8 foo (int *p)
   9 {
  10   int r;
  11   asm ("movl $6, (%1)\n\txorl %0, %0" : "=r" (r) : "r" (p) : "memory");
  12   return r;
  13 }
  14
  15 int
  16 main (void)
  17 {
  18   int p = 8;
  19   if ((foo (&p) ? : p) != 6)
  20     abort ();
  21   return 0;
  22 }