extern void abort (void); uint32x4_t test_vrev64qu32 (uint32x4_t _arg) { return vrev64q_u32 (_arg); } int main (int argc, char **argv) { int i; uint32x4_t inorder = {1, 2, 3, 4}; uint32x4_t reversed = test_vrev64qu32 (inorder); uint32x4_t expected = {2, 1, 4, 3}; for (i = 0; i < 4; i++) if (reversed[i] != expected[i]) abort (); return 0; }