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Diffstat (limited to 'test/Unit/negti2_test.c')
| -rw-r--r-- | test/Unit/negti2_test.c | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/test/Unit/negti2_test.c b/test/Unit/negti2_test.c new file mode 100644 index 000000000..ba4844e1a --- /dev/null +++ b/test/Unit/negti2_test.c @@ -0,0 +1,125 @@ +//===-- negti2_test.c - Test __negti2 -------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file tests __negti2 for the compiler_rt library. +// +//===----------------------------------------------------------------------===// + +#if __x86_64 + +#include "int_lib.h" +#include <stdio.h> + +// Returns: -a + +ti_int __negti2(ti_int a); + +int test__negti2(ti_int a, ti_int expected) +{ + ti_int x = __negti2(a); + if (x != expected) + { + twords at; + at.all = a; + twords xt; + xt.all = x; + twords expectedt; + expectedt.all = expected; + printf("error in __negti2: -0x%.16llX%.16llX = 0x%.16llX%.16llX, " + "expected 0x%.16llX%.16llX\n", + at.high, at.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__negti2(0, 0)) + return 1; + if (test__negti2(1, -1)) + return 1; + if (test__negti2(-1, 1)) + return 1; + if (test__negti2(2, -2)) + return 1; + if (test__negti2(-2, 2)) + return 1; + if (test__negti2(3, -3)) + return 1; + if (test__negti2(-3, 3)) + return 1; + if (test__negti2(make_ti(0x0000000000000000LL, 0x00000000FFFFFFFELL), + make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000002LL))) + return 1; + if (test__negti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000002LL), + make_ti(0x0000000000000000LL, 0x00000000FFFFFFFELL))) + return 1; + if (test__negti2(make_ti(0x0000000000000000LL, 0x00000000FFFFFFFFLL), + make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000001LL))) + return 1; + if (test__negti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000001LL), + make_ti(0x0000000000000000LL, 0x00000000FFFFFFFFLL))) + return 1; + if (test__negti2(make_ti(0x0000000000000000LL, 0x0000000100000000LL), + make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000000LL))) + return 1; + if (test__negti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000000LL), + make_ti(0x0000000000000000LL, 0x0000000100000000LL))) + return 1; + if (test__negti2(make_ti(0x0000000000000000LL, 0x0000000200000000LL), + make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFE00000000LL))) + return 1; + if (test__negti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFE00000000LL), + make_ti(0x0000000000000000LL, 0x0000000200000000LL))) + return 1; + if (test__negti2(make_ti(0x0000000000000000LL, 0x0000000300000000LL), + make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFD00000000LL))) + return 1; + if (test__negti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFD00000000LL), + make_ti(0x0000000000000000LL, 0x0000000300000000LL))) + return 1; + if (test__negti2(make_ti(0x0000000000000000LL, 0x7FFFFFFFFFFFFFFFLL), + make_ti(0xFFFFFFFFFFFFFFFFLL, 0x8000000000000001LL))) + return 1; + if (test__negti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0x8000000000000001LL), + make_ti(0x0000000000000000LL, 0x7FFFFFFFFFFFFFFFLL))) + return 1; + if (test__negti2(make_ti(0x0000000000000000LL, 0x7FFFFFFFFFFFFFFFLL), + make_ti(0xFFFFFFFFFFFFFFFFLL, 0x8000000000000001LL))) + return 1; + if (test__negti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFE00000000LL), + make_ti(0x0000000000000000LL, 0x0000000200000000LL))) + return 1; + if (test__negti2(make_ti(0x0000000000000000LL, 0x0000000200000000LL), + make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFE00000000LL))) + return 1; + if (test__negti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000000LL), + make_ti(0x0000000000000000LL, 0x0000000100000000LL))) + return 1; + if (test__negti2(make_ti(0x0000000000000000LL, 0x0000000100000000LL), + make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000000LL))) + return 1; + if (test__negti2(make_ti(0x8000000000000000LL, 0x0000000000000000LL), + make_ti(0x8000000000000000LL, 0x0000000000000000LL))) + return 1; + if (test__negti2(make_ti(0x8000000000000000LL, 0x0000000000000001LL), + make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL))) + return 1; + if (test__negti2(make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL), + make_ti(0x8000000000000000LL, 0x0000000000000001LL))) + return 1; + +#endif + return 0; +} |