Daniel Dunbar | b3a6901 | 2009-06-26 16:47:03 +0000 | [diff] [blame] | 1 | //===-- divti3_test.c - Test __divti3 -------------------------------------===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
Howard Hinnant | 9ad441f | 2010-11-16 22:13:33 +0000 | [diff] [blame] | 5 | // This file is dual licensed under the MIT and the University of Illinois Open |
| 6 | // Source Licenses. See LICENSE.TXT for details. |
Daniel Dunbar | b3a6901 | 2009-06-26 16:47:03 +0000 | [diff] [blame] | 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | // |
| 10 | // This file tests __divti3 for the compiler_rt library. |
| 11 | // |
| 12 | //===----------------------------------------------------------------------===// |
| 13 | |
| 14 | #if __x86_64 |
| 15 | |
| 16 | #include "int_lib.h" |
| 17 | #include <stdio.h> |
| 18 | |
| 19 | // Returns: a / b |
| 20 | |
| 21 | ti_int __divti3(ti_int a, ti_int b); |
| 22 | |
| 23 | int test__divti3(ti_int a, ti_int b, ti_int expected) |
| 24 | { |
| 25 | ti_int x = __divti3(a, b); |
| 26 | if (x != expected) |
| 27 | { |
| 28 | twords at; |
| 29 | at.all = a; |
| 30 | twords bt; |
| 31 | bt.all = b; |
| 32 | twords xt; |
| 33 | xt.all = x; |
| 34 | twords expectedt; |
| 35 | expectedt.all = expected; |
| 36 | printf("error in __divti3: 0x%llX%.16llX / 0x%llX%.16llX = " |
| 37 | "0x%llX%.16llX, expected 0x%llX%.16llX\n", |
Daniel Dunbar | cff5248 | 2009-10-27 17:49:07 +0000 | [diff] [blame] | 38 | at.s.high, at.s.low, bt.s.high, bt.s.low, xt.s.high, xt.s.low, |
| 39 | expectedt.s.high, expectedt.s.low); |
Daniel Dunbar | b3a6901 | 2009-06-26 16:47:03 +0000 | [diff] [blame] | 40 | } |
| 41 | return x != expected; |
| 42 | } |
| 43 | |
| 44 | char assumption_1[sizeof(ti_int) == 2*sizeof(di_int)] = {0}; |
| 45 | |
| 46 | #endif |
| 47 | |
| 48 | int main() |
| 49 | { |
| 50 | #if __x86_64 |
| 51 | if (test__divti3(0, 1, 0)) |
| 52 | return 1; |
| 53 | if (test__divti3(0, -1, 0)) |
| 54 | return 1; |
| 55 | |
| 56 | if (test__divti3(2, 1, 2)) |
| 57 | return 1; |
| 58 | if (test__divti3(2, -1, -2)) |
| 59 | return 1; |
| 60 | if (test__divti3(-2, 1, -2)) |
| 61 | return 1; |
| 62 | if (test__divti3(-2, -1, 2)) |
| 63 | return 1; |
| 64 | |
| 65 | if (test__divti3(make_ti(0x8000000000000000LL, 0), 1, make_ti(0x8000000000000000LL, 0))) |
| 66 | return 1; |
| 67 | if (test__divti3(make_ti(0x8000000000000000LL, 0), -1, make_ti(0x8000000000000000LL, 0))) |
| 68 | return 1; |
| 69 | if (test__divti3(make_ti(0x8000000000000000LL, 0), -2, make_ti(0x4000000000000000LL, 0))) |
| 70 | return 1; |
| 71 | if (test__divti3(make_ti(0x8000000000000000LL, 0), 2, make_ti(0xC000000000000000LL, 0))) |
| 72 | return 1; |
| 73 | |
Joerg Sonnenberger | 7482815 | 2011-05-29 21:43:29 +0000 | [diff] [blame] | 74 | #else |
| 75 | printf("skipped\n"); |
Daniel Dunbar | b3a6901 | 2009-06-26 16:47:03 +0000 | [diff] [blame] | 76 | #endif |
| 77 | return 0; |
| 78 | } |