diff options
Diffstat (limited to 'test/builtins/Unit/fixtfsi_test.c')
-rw-r--r-- | test/builtins/Unit/fixtfsi_test.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/test/builtins/Unit/fixtfsi_test.c b/test/builtins/Unit/fixtfsi_test.c new file mode 100644 index 000000000000..45ad0d243785 --- /dev/null +++ b/test/builtins/Unit/fixtfsi_test.c @@ -0,0 +1,65 @@ +//===--------------- fixtfsi_test.c - Test __fixtfsi ----------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is dual licensed under the MIT and the University of Illinois Open +// Source Licenses. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file tests __fixtfsi for the compiler_rt library. +// +//===----------------------------------------------------------------------===// + +#include <stdio.h> + +#if __LDBL_MANT_DIG__ == 113 + +#include "fp_test.h" + +int __fixtfsi(long double a); + +int test__fixtfsi(long double a, int expected) +{ + int x = __fixtfsi(a); + int ret = (x != expected); + + if (ret){ + printf("error in test__fixtfsi(%.20Lf) = %d, " + "expected %d\n", a, x, expected); + } + return ret; +} + +char assumption_1[sizeof(long double) * CHAR_BIT == 128] = {0}; + +#endif + +int main() +{ +#if __LDBL_MANT_DIG__ == 113 + if (test__fixtfsi(makeInf128(), 0x7fffffff)) + return 1; + if (test__fixtfsi(0, 0x0)) + return 1; + if (test__fixtfsi(0x1.23456789abcdefp+5, 0x24)) + return 1; + if (test__fixtfsi(0x1.23456789abcdefp-3, 0x0)) + return 1; + if (test__fixtfsi(0x1.23456789abcdefp+20, 0x123456)) + return 1; + if (test__fixtfsi(0x1.23456789abcdefp+40, 0x7fffffff)) + return 1; + if (test__fixtfsi(0x1.23456789abcdefp+256, 0x7fffffff)) + return 1; + if (test__fixtfsi(-0x1.23456789abcdefp+20, 0xffedcbaa)) + return 1; + if (test__fixtfsi(-0x1.23456789abcdefp+40, 0x80000001)) + return 1; + +#else + printf("skipped\n"); + +#endif + return 0; +} |