27 lines · c
1// UNSUPPORTED: armv6m-target-arch2// RUN: %clang_builtins %s %librt -o %t && %run %t3// REQUIRES: librt_has_bswapdi24 5#include <math.h>6#include <stdint.h>7#include <stdio.h>8#include <stdlib.h>9 10extern uint64_t __bswapdi2(uint64_t);11 12int test__bswapdi2(uint64_t a, uint64_t expected) {13 uint64_t actual = __bswapdi2(a);14 if (actual != expected)15 printf("error in test__bswapsi2(0x%0llX) = 0x%0llX, expected 0x%0llX\n", a,16 actual, expected);17 return actual != expected;18}19 20int main() {21 if (test__bswapdi2(0x123456789ABCDEF0LL, 0xF0DEBC9A78563412LL))22 return 1;23 if (test__bswapdi2(0x0000000100000002LL, 0x0200000001000000LL))24 return 1;25 return 0;26}27