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Diffstat (limited to 'test/Unit/mulvsi3_test.c')
| -rw-r--r-- | test/Unit/mulvsi3_test.c | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/test/Unit/mulvsi3_test.c b/test/Unit/mulvsi3_test.c new file mode 100644 index 000000000..c9e239a0d --- /dev/null +++ b/test/Unit/mulvsi3_test.c @@ -0,0 +1,148 @@ +//===-- mulvsi3_test.c - Test __mulvsi3 -----------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file tests __mulvsi3 for the compiler_rt library. +// +//===----------------------------------------------------------------------===// + +#include "int_lib.h" +#include <stdio.h> + +// Returns: a * b + +// Effects: aborts if a * b overflows + +si_int __mulvsi3(si_int a, si_int b); + +int test__mulvsi3(si_int a, si_int b, si_int expected) +{ + si_int x = __mulvsi3(a, b); + if (x != expected) + printf("error in __mulvsi3: %d * %d = %d, expected %d\n", + a, b, x, expected); + return x != expected; +} + +int main() +{ + if (test__mulvsi3(0, 0, 0)) + return 1; + if (test__mulvsi3(0, 1, 0)) + return 1; + if (test__mulvsi3(1, 0, 0)) + return 1; + if (test__mulvsi3(0, 10, 0)) + return 1; + if (test__mulvsi3(10, 0, 0)) + return 1; + if (test__mulvsi3(0, 0x1234567, 0)) + return 1; + if (test__mulvsi3(0x1234567, 0, 0)) + return 1; + + if (test__mulvsi3(0, -1, 0)) + return 1; + if (test__mulvsi3(-1, 0, 0)) + return 1; + if (test__mulvsi3(0, -10, 0)) + return 1; + if (test__mulvsi3(-10, 0, 0)) + return 1; + if (test__mulvsi3(0, -0x1234567, 0)) + return 1; + if (test__mulvsi3(-0x1234567, 0, 0)) + return 1; + + if (test__mulvsi3(1, 1, 1)) + return 1; + if (test__mulvsi3(1, 10, 10)) + return 1; + if (test__mulvsi3(10, 1, 10)) + return 1; + if (test__mulvsi3(1, 0x1234567, 0x1234567)) + return 1; + if (test__mulvsi3(0x1234567, 1, 0x1234567)) + return 1; + + if (test__mulvsi3(1, -1, -1)) + return 1; + if (test__mulvsi3(1, -10, -10)) + return 1; + if (test__mulvsi3(-10, 1, -10)) + return 1; + if (test__mulvsi3(1, -0x1234567, -0x1234567)) + return 1; + if (test__mulvsi3(-0x1234567, 1, -0x1234567)) + return 1; + +// if (test__mulvsi3(0x7FFFFFFF, -2, 0x80000001)) // abort +// return 1; +// if (test__mulvsi3(-2, 0x7FFFFFFF, 0x80000001)) // abort +// return 1; + if (test__mulvsi3(0x7FFFFFFF, -1, 0x80000001)) + return 1; + if (test__mulvsi3(-1, 0x7FFFFFFF, 0x80000001)) + return 1; + if (test__mulvsi3(0x7FFFFFFF, 0, 0)) + return 1; + if (test__mulvsi3(0, 0x7FFFFFFF, 0)) + return 1; + if (test__mulvsi3(0x7FFFFFFF, 1, 0x7FFFFFFF)) + return 1; + if (test__mulvsi3(1, 0x7FFFFFFF, 0x7FFFFFFF)) + return 1; +// if (test__mulvsi3(0x7FFFFFFF, 2, 0x80000001)) // abort +// return 1; +// if (test__mulvsi3(2, 0x7FFFFFFF, 0x80000001)) // abort +// return 1; + +// if (test__mulvsi3(0x80000000, -2, 0x80000000)) // abort +// return 1; +// if (test__mulvsi3(-2, 0x80000000, 0x80000000)) // abort +// return 1; +// if (test__mulvsi3(0x80000000, -1, 0x80000000)) // abort +// return 1; +// if (test__mulvsi3(-1, 0x80000000, 0x80000000)) // abort +// return 1; + if (test__mulvsi3(0x80000000, 0, 0)) + return 1; + if (test__mulvsi3(0, 0x80000000, 0)) + return 1; + if (test__mulvsi3(0x80000000, 1, 0x80000000)) + return 1; + if (test__mulvsi3(1, 0x80000000, 0x80000000)) + return 1; +// if (test__mulvsi3(0x80000000, 2, 0x80000000)) // abort +// return 1; +// if (test__mulvsi3(2, 0x80000000, 0x80000000)) // abort +// return 1; + +// if (test__mulvsi3(0x80000001, -2, 0x80000001)) // abort +// return 1; +// if (test__mulvsi3(-2, 0x80000001, 0x80000001)) // abort +// return 1; + if (test__mulvsi3(0x80000001, -1, 0x7FFFFFFF)) + return 1; + if (test__mulvsi3(-1, 0x80000001, 0x7FFFFFFF)) + return 1; + if (test__mulvsi3(0x80000001, 0, 0)) + return 1; + if (test__mulvsi3(0, 0x80000001, 0)) + return 1; + if (test__mulvsi3(0x80000001, 1, 0x80000001)) + return 1; + if (test__mulvsi3(1, 0x80000001, 0x80000001)) + return 1; +// if (test__mulvsi3(0x80000001, 2, 0x80000000)) // abort +// return 1; +// if (test__mulvsi3(2, 0x80000001, 0x80000000)) // abort +// return 1; + + return 0; +} |