1 //===-- bswapsi2_test.c - Test __bswapsi2 ---------------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This file tests __bswapsi2 for the compiler_rt library.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #include <stdlib.h>
15 #include <stdint.h>
16 #include <stdio.h>
17 #include <math.h>
18 
19 
20 extern uint32_t __bswapsi2(uint32_t);
21 
22 #if __arm__
23 int test__bswapsi2(uint32_t a, uint32_t expected)
24 {
25     uint32_t actual = __bswapsi2(a);
26     if (actual != expected)
27         printf("error in test__bswapsi2(0x%0X) = 0x%0X, expected 0x%0X\n",
28                a, actual, expected);
29     return actual != expected;
30 }
31 #endif
32 
33 int main()
34 {
35 #if __arm__
36     if (test__bswapsi2(0x12345678, 0x78563412))
37         return 1;
38     if (test__bswapsi2(0x00000001, 0x01000000))
39         return 1;
40 #else
41     printf("skipped\n");
42 #endif
43     return 0;
44 }
45