1// UNSUPPORTED: armv6m-target-arch
2// RUN: %clang_builtins %s %librt -o %t && %run %t
3// REQUIRES: librt_has_bswapdi2
4
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