sys/external/bsd/compiler_rt/dist/test/Unit/bswapdi2_test.c

   1 //===-- bswapdi2_test.c - Test __bswapdi2 ---------------------------------===//
   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 __bswapdi2 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 uint64_t __bswapdi2(uint64_t);
  21
  22 #if __arm__
  23 int test__bswapdi2(uint64_t a, uint64_t expected)
  24 {
  25     uint64_t actual = __bswapdi2(a);
  26     if (actual != expected)
  27         printf("error in test__bswapsi2(0x%0llX) = 0x%0llX, expected 0x%0llX\n",
  28                a, actual, expected);
  29     return actual != expected;
  30 }
  31 #endif
  32
  33 int main()
  34 {
  35 #if __arm__
  36     if (test__bswapdi2(0x123456789ABCDEF0LL, 0xF0DEBC9A78563412LL))
  37         return 1;
  38     if (test__bswapdi2(0x0000000100000002LL, 0x0200000001000000LL))
  39         return 1;
  40 #else
  41     printf("skipped\n");
  42 #endif
  43     return 0;
  44 }