gcc/testsuite/gcc.target/aarch64/uaddw-3.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O3" } */
   3
   4 int
   5 t6(int len, void * dummy, char * __restrict x)
   6 {
   7   len = len & ~31;
   8   unsigned short result = 0;
   9   __asm volatile ("");
  10   for (int i = 0; i < len; i++)
  11     result += x[i];
  12   return result;
  13 }
  14
  15 /* { dg-final { scan-assembler "uaddw" } } */
  16 /* { dg-final { scan-assembler "uaddw2" } } */