| 1 | // RUN: %clang_builtins %s %librt -o %t && %run %t |
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| 2 | // REQUIRES: librt_has_negdi2 |
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| 3 | |
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| 4 | #include "int_lib.h" |
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| 5 | #include <stdio.h> |
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| 6 | |
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| 7 | // Returns: -a |
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| 8 | |
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| 9 | COMPILER_RT_ABI di_int __negdi2(di_int a); |
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| 10 | |
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| 11 | int test__negdi2(di_int a, di_int expected) |
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| 12 | { |
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| 13 | di_int x = __negdi2(a); |
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| 14 | if (x != expected) |
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| 15 | printf(format: "error in __negdi2: -0x%llX = 0x%llX, expected 0x%llX\n" , |
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| 16 | a, x, expected); |
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| 17 | return x != expected; |
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| 18 | } |
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| 19 | |
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| 20 | char assumption_1[sizeof(di_int) == 2*sizeof(si_int)] = {0}; |
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| 21 | |
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| 22 | int main() |
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| 23 | { |
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| 24 | if (test__negdi2(a: 0, expected: 0)) |
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| 25 | return 1; |
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| 26 | if (test__negdi2(a: 1, expected: -1)) |
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| 27 | return 1; |
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| 28 | if (test__negdi2(a: -1, expected: 1)) |
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| 29 | return 1; |
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| 30 | if (test__negdi2(a: 2, expected: -2)) |
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| 31 | return 1; |
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| 32 | if (test__negdi2(a: -2, expected: 2)) |
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| 33 | return 1; |
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| 34 | if (test__negdi2(a: 3, expected: -3)) |
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| 35 | return 1; |
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| 36 | if (test__negdi2(a: -3, expected: 3)) |
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| 37 | return 1; |
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| 38 | if (test__negdi2(a: 0x00000000FFFFFFFELL, expected: 0xFFFFFFFF00000002LL)) |
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| 39 | return 1; |
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| 40 | if (test__negdi2(a: 0xFFFFFFFF00000002LL, expected: 0x00000000FFFFFFFELL)) |
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| 41 | return 1; |
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| 42 | if (test__negdi2(a: 0x00000000FFFFFFFFLL, expected: 0xFFFFFFFF00000001LL)) |
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| 43 | return 1; |
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| 44 | if (test__negdi2(a: 0xFFFFFFFF00000001LL, expected: 0x00000000FFFFFFFFLL)) |
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| 45 | return 1; |
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| 46 | if (test__negdi2(a: 0x0000000100000000LL, expected: 0xFFFFFFFF00000000LL)) |
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| 47 | return 1; |
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| 48 | if (test__negdi2(a: 0xFFFFFFFF00000000LL, expected: 0x0000000100000000LL)) |
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| 49 | return 1; |
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| 50 | if (test__negdi2(a: 0x0000000200000000LL, expected: 0xFFFFFFFE00000000LL)) |
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| 51 | return 1; |
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| 52 | if (test__negdi2(a: 0xFFFFFFFE00000000LL, expected: 0x0000000200000000LL)) |
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| 53 | return 1; |
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| 54 | if (test__negdi2(a: 0x0000000300000000LL, expected: 0xFFFFFFFD00000000LL)) |
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| 55 | return 1; |
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| 56 | if (test__negdi2(a: 0xFFFFFFFD00000000LL, expected: 0x0000000300000000LL)) |
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| 57 | return 1; |
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| 58 | if (test__negdi2(a: 0x8000000000000000LL, expected: 0x8000000000000000LL)) |
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| 59 | return 1; |
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| 60 | if (test__negdi2(a: 0x8000000000000001LL, expected: 0x7FFFFFFFFFFFFFFFLL)) |
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| 61 | return 1; |
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| 62 | if (test__negdi2(a: 0x7FFFFFFFFFFFFFFFLL, expected: 0x8000000000000001LL)) |
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| 63 | return 1; |
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| 64 | if (test__negdi2(a: 0xFFFFFFFE00000000LL, expected: 0x0000000200000000LL)) |
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| 65 | return 1; |
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| 66 | if (test__negdi2(a: 0x0000000200000000LL, expected: 0xFFFFFFFE00000000LL)) |
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| 67 | return 1; |
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| 68 | if (test__negdi2(a: 0xFFFFFFFF00000000LL, expected: 0x0000000100000000LL)) |
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| 69 | return 1; |
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| 70 | if (test__negdi2(a: 0x0000000100000000LL, expected: 0xFFFFFFFF00000000LL)) |
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| 71 | return 1; |
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| 72 | |
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| 73 | return 0; |
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| 74 | } |
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| 75 | |
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