gcc/testsuite/gcc.target/i386/pr66112-1.c

   1 /* PR target/66112 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2" } */
   4
   5 unsigned int
   6 foo (long long a, long long b)
   7 {
   8   unsigned int res;
   9   a &= ~0U;
  10   b &= ~0U;
  11   if (__builtin_mul_overflow (a, b, &res))
  12     res = 0x123U;
  13   return res;
  14 }
  15
  16 /* { dg-final { scan-assembler "jn?o\[ \t\]" } } */