| Daniel Dunbar | fd08999 | 2009-06-26 16:47:03 +0000 | [diff] [blame] | 1 | //===-- negvdi2_test.c - Test __negvdi2 -----------------------------------===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | // |
| 10 | // This file tests __negvdi2 for the compiler_rt library. |
| 11 | // |
| 12 | //===----------------------------------------------------------------------===// |
| 13 | |
| 14 | #include "int_lib.h" |
| 15 | #include <stdio.h> |
| 16 | |
| 17 | // Returns: -a |
| 18 | |
| 19 | // Effects: aborts if -a overflows |
| 20 | |
| 21 | di_int __negvdi2(di_int a); |
| 22 | |
| 23 | int test__negvdi2(di_int a) |
| 24 | { |
| 25 | di_int x = __negvdi2(a); |
| 26 | di_int expected = -a; |
| 27 | if (x != expected) |
| 28 | printf("error in __negvdi2(0x%llX) = %lld, expected %lld\n", |
| 29 | a, x, expected); |
| 30 | return x != expected; |
| 31 | } |
| 32 | |
| 33 | int main() |
| 34 | { |
| 35 | // if (test__negvdi2(0x8000000000000000LL)) // should abort |
| 36 | // return 1; |
| 37 | if (test__negvdi2(0x0000000000000000LL)) |
| 38 | return 1; |
| 39 | if (test__negvdi2(0x0000000000000001LL)) |
| 40 | return 1; |
| 41 | if (test__negvdi2(0x0000000000000002LL)) |
| 42 | return 1; |
| 43 | if (test__negvdi2(0x7FFFFFFFFFFFFFFELL)) |
| 44 | return 1; |
| 45 | if (test__negvdi2(0x7FFFFFFFFFFFFFFFLL)) |
| 46 | return 1; |
| 47 | if (test__negvdi2(0x8000000000000001LL)) |
| 48 | return 1; |
| 49 | if (test__negvdi2(0x8000000000000002LL)) |
| 50 | return 1; |
| 51 | if (test__negvdi2(0xFFFFFFFFFFFFFFFELL)) |
| 52 | return 1; |
| 53 | if (test__negvdi2(0xFFFFFFFFFFFFFFFFLL)) |
| 54 | return 1; |
| 55 | |
| 56 | return 0; |
| 57 | } |