extern void abort (void); uint8x8_t test_vrev64u8 (uint8x8_t _arg) { return vrev64_u8 (_arg); } int main (int argc, char **argv) { int i; uint8x8_t inorder = {1, 2, 3, 4, 5, 6, 7, 8}; uint8x8_t reversed = test_vrev64u8 (inorder); uint8x8_t expected = {8, 7, 6, 5, 4, 3, 2, 1}; for (i = 0; i < 8; i++) if (reversed[i] != expected[i]) abort (); return 0; }