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Diffstat (limited to 'test/Unit/modti3_test.c')
-rw-r--r-- | test/Unit/modti3_test.c | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/test/Unit/modti3_test.c b/test/Unit/modti3_test.c new file mode 100644 index 000000000..523d84a7f --- /dev/null +++ b/test/Unit/modti3_test.c @@ -0,0 +1,93 @@ +//===-- modti3_test.c - Test __modti3 -------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file tests __modti3 for the compiler_rt library. +// +//===----------------------------------------------------------------------===// + +#if __x86_64 + +#include "int_lib.h" +#include <stdio.h> + +// Returns: a % b + +ti_int __modti3(ti_int a, ti_int b); + +int test__modti3(ti_int a, ti_int b, ti_int expected) +{ + ti_int x = __modti3(a, b); + if (x != expected) + { + twords at; + at.all = a; + twords bt; + bt.all = b; + twords xt; + xt.all = x; + twords expectedt; + expectedt.all = expected; + printf("error in __modti3: 0x%.16llX%.16llX %% 0x%.16llX%.16llX = " + "0x%.16llX%.16llX, expected 0x%.16llX%.16llX\n", + at.high, at.low, bt.high, bt.low, xt.high, xt.low, + expectedt.high, expectedt.low); + } + return x != expected; +} + +char assumption_1[sizeof(ti_int) == 2*sizeof(di_int)] = {0}; + +#endif + +int main() +{ +#if __x86_64 + if (test__modti3(0, 1, 0)) + return 1; + if (test__modti3(0, -1, 0)) + return 1; + + if (test__modti3(5, 3, 2)) + return 1; + if (test__modti3(5, -3, 2)) + return 1; + if (test__modti3(-5, 3, -2)) + return 1; + if (test__modti3(-5, -3, -2)) + return 1; + + if (test__modti3(0x8000000000000000LL, 1, 0x0LL)) + return 1; + if (test__modti3(0x8000000000000000LL, -1, 0x0LL)) + return 1; + if (test__modti3(0x8000000000000000LL, 2, 0x0LL)) + return 1; + if (test__modti3(0x8000000000000000LL, -2, 0x0LL)) + return 1; + if (test__modti3(0x8000000000000000LL, 3, 2)) + return 1; + if (test__modti3(0x8000000000000000LL, -3, 2)) + return 1; + + if (test__modti3(make_ti(0x8000000000000000LL, 0), 1, 0x0LL)) + return 1; + if (test__modti3(make_ti(0x8000000000000000LL, 0), -1, 0x0LL)) + return 1; + if (test__modti3(make_ti(0x8000000000000000LL, 0), 2, 0x0LL)) + return 1; + if (test__modti3(make_ti(0x8000000000000000LL, 0), -2, 0x0LL)) + return 1; + if (test__modti3(make_ti(0x8000000000000000LL, 0), 3, -2)) + return 1; + if (test__modti3(make_ti(0x8000000000000000LL, 0), -3, -2)) + return 1; + +#endif + return 0; +} |