gcc/testsuite/gcc.target/i386/pr70467-3.c

   1 /* PR rtl-optimization/70467 */
   2 /* { dg-do compile { target int128 } } */
   3 /* { dg-options "-O2" } */
   4
   5 __uint128_t
   6 foo (__uint128_t x)
   7 {
   8   return x + ((__uint128_t) 123456 << 64);
   9 }
  10
  11 __uint128_t
  12 bar (__uint128_t x)
  13 {
  14   return x - ((__uint128_t) 123456 << 64);
  15 }
  16
  17 /* Make sure there are no unnecessary additions with carry.  */
  18 /* { dg-final { scan-assembler-not "adcq\[^\n\r\]*%" } } */
  19 /* { dg-final { scan-assembler-not "sbbq\[^\n\r\]*%" } } */