| 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 | |
| 10 | extern uint32_t __bswapsi2(uint32_t); |
| 11 | |
| 12 | int test__bswapsi2(uint32_t a, uint32_t expected) { |
| 13 | uint32_t actual = __bswapsi2(a); |
| 14 | if (actual != expected) |
| 15 | printf(format: "error in test__bswapsi2(0x%0X) = 0x%0X, expected 0x%0X\n", a, |
| 16 | actual, expected); |
| 17 | return actual != expected; |
| 18 | } |
| 19 | |
| 20 | int main() { |
| 21 | if (test__bswapsi2(a: 0x12345678, expected: 0x78563412)) |
| 22 | return 1; |
| 23 | if (test__bswapsi2(a: 0x00000001, expected: 0x01000000)) |
| 24 | return 1; |
| 25 | return 0; |
| 26 | } |
| 27 |