compiler-rt/test/builtins/Unit/floatsidfvfp_test.c

   1 // RUN: %clang_builtins %s %librt -o %t && %run %t
   2 // REQUIRES: librt_has_floatsidfvfp
   3
   4 #include "int_lib.h"
   5 #include <stdio.h>
   6 #include <stdlib.h>
   7 #include <math.h>
   8
   9
  10 extern COMPILER_RT_ABI double __floatsidfvfp(int a);
  11
  12 #if defined(__arm__) && defined(__ARM_FP) && (__ARM_FP & 0x8)
  13 int test__floatsidfvfp(int a)
  14 {
  15     double actual = __floatsidfvfp(a);
  16     double expected = a;
  17     if (actual != expected)
  18         printf("error in test__ floatsidfvfp(%d) = %f, expected %f\n",
  19                a, actual, expected);
  20     return actual != expected;
  21 }
  22 #endif
  23
  24 int main()
  25 {
  26 #if defined(__arm__) && defined(__ARM_FP) && (__ARM_FP & 0x8)
  27     if (test__floatsidfvfp(0))
  28         return 1;
  29     if (test__floatsidfvfp(1))
  30         return 1;
  31     if (test__floatsidfvfp(-1))
  32         return 1;
  33     if (test__floatsidfvfp(0x7FFFFFFF))
  34         return 1;
  35     if (test__floatsidfvfp(0x80000000))
  36         return 1;
  37 #else
  38     printf("skipped\n");
  39 #endif
  40     return 0;
  41 }