1// RUN: %clang_builtins %s %librt -o %t && %run %t
2// REQUIRES: int128
3//===-- negti2_test.c - Test __negti2 -------------------------------------===//
4//
5// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
6// See https://llvm.org/LICENSE.txt for license information.
7// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
8//
9//===----------------------------------------------------------------------===//
10//
11// This file tests __negti2 for the compiler_rt library.
12//
13//===----------------------------------------------------------------------===//
14
15#include "int_lib.h"
16#include <stdio.h>
17
18#ifdef CRT_HAS_128BIT
19
20// Returns: -a
21
22COMPILER_RT_ABI ti_int __negti2(ti_int a);
23
24int test__negti2(ti_int a, ti_int expected)
25{
26    ti_int x = __negti2(a);
27    if (x != expected)
28    {
29        twords at;
30        at.all = a;
31        twords xt;
32        xt.all = x;
33        twords expectedt;
34        expectedt.all = expected;
35        printf("error in __negti2: -0x%.16llX%.16llX = 0x%.16llX%.16llX, "
36               "expected 0x%.16llX%.16llX\n",
37               at.s.high, at.s.low, xt.s.high, xt.s.low, expectedt.s.high, expectedt.s.low);
38    }
39    return x != expected;
40}
41
42char assumption_1[sizeof(ti_int) == 2*sizeof(di_int)] = {0};
43
44#endif
45
46int main()
47{
48#ifdef CRT_HAS_128BIT
49    if (test__negti2(0, 0))
50        return 1;
51    if (test__negti2(1, -1))
52        return 1;
53    if (test__negti2(-1, 1))
54        return 1;
55    if (test__negti2(2, -2))
56        return 1;
57    if (test__negti2(-2, 2))
58        return 1;
59    if (test__negti2(3, -3))
60        return 1;
61    if (test__negti2(-3, 3))
62        return 1;
63    if (test__negti2(make_ti(0x0000000000000000LL, 0x00000000FFFFFFFELL),
64                     make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000002LL)))
65        return 1;
66    if (test__negti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000002LL),
67                     make_ti(0x0000000000000000LL, 0x00000000FFFFFFFELL)))
68        return 1;
69    if (test__negti2(make_ti(0x0000000000000000LL, 0x00000000FFFFFFFFLL),
70                     make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000001LL)))
71        return 1;
72    if (test__negti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000001LL),
73                     make_ti(0x0000000000000000LL, 0x00000000FFFFFFFFLL)))
74        return 1;
75    if (test__negti2(make_ti(0x0000000000000000LL, 0x0000000100000000LL),
76                     make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000000LL)))
77        return 1;
78    if (test__negti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000000LL),
79                     make_ti(0x0000000000000000LL, 0x0000000100000000LL)))
80        return 1;
81    if (test__negti2(make_ti(0x0000000000000000LL, 0x0000000200000000LL),
82                     make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFE00000000LL)))
83        return 1;
84    if (test__negti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFE00000000LL),
85                     make_ti(0x0000000000000000LL, 0x0000000200000000LL)))
86        return 1;
87    if (test__negti2(make_ti(0x0000000000000000LL, 0x0000000300000000LL),
88                     make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFD00000000LL)))
89        return 1;
90    if (test__negti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFD00000000LL),
91                     make_ti(0x0000000000000000LL, 0x0000000300000000LL)))
92        return 1;
93    if (test__negti2(make_ti(0x0000000000000000LL, 0x7FFFFFFFFFFFFFFFLL),
94                     make_ti(0xFFFFFFFFFFFFFFFFLL, 0x8000000000000001LL)))
95        return 1;
96    if (test__negti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0x8000000000000001LL),
97                     make_ti(0x0000000000000000LL, 0x7FFFFFFFFFFFFFFFLL)))
98        return 1;
99    if (test__negti2(make_ti(0x0000000000000000LL, 0x7FFFFFFFFFFFFFFFLL),
100                     make_ti(0xFFFFFFFFFFFFFFFFLL, 0x8000000000000001LL)))
101        return 1;
102    if (test__negti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFE00000000LL),
103                     make_ti(0x0000000000000000LL, 0x0000000200000000LL)))
104        return 1;
105    if (test__negti2(make_ti(0x0000000000000000LL, 0x0000000200000000LL),
106                     make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFE00000000LL)))
107        return 1;
108    if (test__negti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000000LL),
109                     make_ti(0x0000000000000000LL, 0x0000000100000000LL)))
110        return 1;
111    if (test__negti2(make_ti(0x0000000000000000LL, 0x0000000100000000LL),
112                     make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000000LL)))
113        return 1;
114    if (test__negti2(make_ti(0x8000000000000000LL, 0x0000000000000000LL),
115                     make_ti(0x8000000000000000LL, 0x0000000000000000LL)))
116        return 1;
117    if (test__negti2(make_ti(0x8000000000000000LL, 0x0000000000000001LL),
118                     make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL)))
119        return 1;
120    if (test__negti2(make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL),
121                     make_ti(0x8000000000000000LL, 0x0000000000000001LL)))
122        return 1;
123
124#else
125    printf("skipped\n");
126#endif
127   return 0;
128}
129