projects / rustc.git / blame
| Commit | Line | Data |
|---|---|---|
| 1a4d82fc JJ |
1 | //===-- absvsi2_test.c - Test __absvsi2 -----------------------------------===// |
| 2 | // | |
| 3 | // The LLVM Compiler Infrastructure | |
| 4 | // | |
| 5 | // This file is dual licensed under the MIT and the University of Illinois Open | |
| 6 | // Source Licenses. See LICENSE.TXT for details. | |
| 7 | // | |
| 8 | //===----------------------------------------------------------------------===// | |
| 9 | // | |
| 10 | // This file tests __absvsi2 for the compiler_rt library. | |
| 11 | // | |
| 12 | //===----------------------------------------------------------------------===// | |
| 13 | ||
| 14 | #include "int_lib.h" | |
| 15 | #include <stdio.h> | |
| 16 | #include <stdlib.h> | |
| 17 | ||
| 18 | // Returns: absolute value | |
| 19 | ||
| 20 | // Effects: aborts if abs(x) < 0 | |
| 21 | ||
| 92a42be0 | 22 | COMPILER_RT_ABI si_int __absvsi2(si_int a); |
| 1a4d82fc JJ |
23 | |
| 24 | int test__absvsi2(si_int a) | |
| 25 | { | |
| 26 | si_int x = __absvsi2(a); | |
| 27 | si_int expected = a; | |
| 28 | if (expected < 0) | |
| 29 | expected = -expected; | |
| 30 | if (x != expected || expected < 0) | |
| 31 | printf("error in __absvsi2(0x%X) = %d, expected positive %d\n", | |
| 32 | a, x, expected); | |
| 33 | return x != expected; | |
| 34 | } | |
| 35 | ||
| 36 | int main() | |
| 37 | { | |
| 38 | // if (test__absvsi2(0x80000000)) // should abort | |
| 39 | // return 1; | |
| 40 | if (test__absvsi2(0x00000000)) | |
| 41 | return 1; | |
| 42 | if (test__absvsi2(0x00000001)) | |
| 43 | return 1; | |
| 44 | if (test__absvsi2(0x00000002)) | |
| 45 | return 1; | |
| 46 | if (test__absvsi2(0x7FFFFFFE)) | |
| 47 | return 1; | |
| 48 | if (test__absvsi2(0x7FFFFFFF)) | |
| 49 | return 1; | |
| 50 | if (test__absvsi2(0x80000001)) | |
| 51 | return 1; | |
| 52 | if (test__absvsi2(0x80000002)) | |
| 53 | return 1; | |
| 54 | if (test__absvsi2(0xFFFFFFFE)) | |
| 55 | return 1; | |
| 56 | if (test__absvsi2(0xFFFFFFFF)) | |
| 57 | return 1; | |
| 58 | ||
| 59 | int i; | |
| 60 | for (i = 0; i < 10000; ++i) | |
| 61 | if (test__absvsi2(rand())) | |
| 62 | return 1; | |
| 63 | ||
| 64 | return 0; | |
| 65 | } |