1// UNSUPPORTED: armv6m-target-arch
2// RUN: %clang_builtins %s %librt -o %t && %run %t
3// REQUIRES: librt_has_bswapsi2
4
5#include <math.h>
6#include <stdint.h>
7#include <stdio.h>
8#include <stdlib.h>
9
10extern uint32_t __bswapsi2(uint32_t);
11
12int test__bswapsi2(uint32_t a, uint32_t expected) {
13 uint32_t actual = __bswapsi2(a);
14 if (actual != expected)
15 printf("error in test__bswapsi2(0x%0X) = 0x%0X, expected 0x%0X\n", a,
16 actual, expected);
17 return actual != expected;
18}
19
20int main() {
21 if (test__bswapsi2(0x12345678, 0x78563412))
22 return 1;
23 if (test__bswapsi2(0x00000001, 0x01000000))
24 return 1;
25 return 0;
26}
27