gcc/testsuite/gcc.target/aarch64/builtin-bswap-2.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2" } */
   3
   4 /* { dg-final { scan-assembler-times "rev16\\t" 2 } }  */
   5
   6 /* rev16 */
   7 unsigned short
   8 swapu16_1 (unsigned short x)
   9 {
  10   return (x << 8) | (x >> 8);
  11 }
  12
  13 /* rev16 */
  14 unsigned short
  15 swapu16_2 (unsigned short x)
  16 {
  17   return (x >> 8) | (x << 8);
  18 }