extern void abort (void); uint16x4_t test_vrev64u16 (uint16x4_t _arg) { return vrev64_u16 (_arg); } int main (int argc, char **argv) { int i; uint16x4_t inorder = {1, 2, 3, 4}; uint16x4_t reversed = test_vrev64u16 (inorder); uint16x4_t expected = {4, 3, 2, 1}; for (i = 0; i < 4; i++) if (reversed[i] != expected[i]) abort (); return 0; }