diff options
Diffstat (limited to 'test/builtins/Unit/fixunstfsi_test.c')
-rw-r--r-- | test/builtins/Unit/fixunstfsi_test.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/test/builtins/Unit/fixunstfsi_test.c b/test/builtins/Unit/fixunstfsi_test.c new file mode 100644 index 000000000000..4bf8fdec607c --- /dev/null +++ b/test/builtins/Unit/fixunstfsi_test.c @@ -0,0 +1,64 @@ +//===--------------- fixunstfsi_test.c - Test __fixunstfsi ----------------===// +// +// 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 __fixunstfsi for the compiler_rt library. +// +//===----------------------------------------------------------------------===// + +#include <stdio.h> + +#if __LDBL_MANT_DIG__ == 113 + +#include "fp_test.h" + +unsigned int __fixunstfsi(long double a); + +int test__fixunstfsi(long double a, unsigned int expected) +{ + unsigned int x = __fixunstfsi(a); + int ret = (x != expected); + + if (ret) + { + printf("error in test__fixunstfsi(%.20Lf) = %u, " + "expected %u\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__fixunstfsi(makeInf128(), UINT32_C(0xffffffff))) + return 1; + if (test__fixunstfsi(0, UINT32_C(0x0))) + return 1; + if (test__fixunstfsi(0x1.23456789abcdefp+5, UINT32_C(0x24))) + return 1; + if (test__fixunstfsi(0x1.23456789abcdefp-3, UINT32_C(0x0))) + return 1; + if (test__fixunstfsi(0x1.23456789abcdefp+20, UINT32_C(0x123456))) + return 1; + if (test__fixunstfsi(0x1.23456789abcdefp+40, UINT32_C(0xffffffff))) + return 1; + if (test__fixunstfsi(0x1.23456789abcdefp+256, UINT32_C(0xffffffff))) + return 1; + if (test__fixunstfsi(-0x1.23456789abcdefp+3, UINT32_C(0x0))) + return 1; + +#else + printf("skipped\n"); + +#endif + return 0; +} |