gcc/testsuite/gcc.target/i386/pr53416.c

   1 /* PR target/53416 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2 -mrdrnd" } */
   4
   5 int test (void)
   6 {
   7   unsigned int number = 0;
   8   int result0, result1, result2, result3;
   9
  10   result0 = __builtin_ia32_rdrand32_step (&number);
  11   result1 = __builtin_ia32_rdrand32_step (&number);
  12   result2 = __builtin_ia32_rdrand32_step (&number);
  13   result3 = __builtin_ia32_rdrand32_step (&number);
  14
  15   return result0 + result1 +result2 + result3;
  16 }
  17
  18 /* { dg-final { scan-assembler-times "rdrand" 4 } } */