1 //===-- negvti2_test.c - Test __negvti2 -----------------------------------===//
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 __negvti2 for the compiler_rt library.
11 //
12 //===----------------------------------------------------------------------===//
13
14 #include "int_lib.h"
15 #include <stdio.h>
16
17 #ifdef CRT_HAS_128BIT
18
19 // Returns: -a
20
21 // Effects: aborts if -a overflows
22
23 COMPILER_RT_ABI ti_int __negvti2(ti_int a);
24 COMPILER_RT_ABI ti_int __negti2(ti_int a);
25
test__negvti2(ti_int a)26 int test__negvti2(ti_int a)
27 {
28 ti_int x = __negvti2(a);
29 ti_int expected = __negti2(a);
30 if (x != expected)
31 {
32 twords at;
33 at.all = a;
34 twords xt;
35 xt.all = x;
36 twords expectedt;
37 expectedt.all = expected;
38 printf("error in __negvti2(0x%.16llX%.16llX) = 0x%.16llX%.16llX, "
39 "expected 0x%.16llX%.16llX\n",
40 at.s.high, at.s.low, xt.s.high, xt.s.low, expectedt.s.high, expectedt.s.low);
41 }
42 return x != expected;
43 }
44
45 #endif
46
main()47 int main()
48 {
49 #ifdef CRT_HAS_128BIT
50 if (test__negvti2(0))
51 return 1;
52 if (test__negvti2(1))
53 return 1;
54 if (test__negvti2(-1))
55 return 1;
56 if (test__negvti2(2))
57 return 1;
58 if (test__negvti2(-2))
59 return 1;
60 if (test__negvti2(3))
61 return 1;
62 if (test__negvti2(-3))
63 return 1;
64 if (test__negvti2(make_ti(0x0000000000000000LL, 0x00000000FFFFFFFELL)))
65 return 1;
66 if (test__negvti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000002LL)))
67 return 1;
68 if (test__negvti2(make_ti(0x0000000000000000LL, 0x00000000FFFFFFFFLL)))
69 return 1;
70 if (test__negvti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000001LL)))
71 return 1;
72 if (test__negvti2(make_ti(0x0000000000000000LL, 0x0000000100000000LL)))
73 return 1;
74 if (test__negvti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000000LL)))
75 return 1;
76 if (test__negvti2(make_ti(0x0000000000000000LL, 0x0000000200000000LL)))
77 return 1;
78 if (test__negvti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFE00000000LL)))
79 return 1;
80 if (test__negvti2(make_ti(0x0000000000000000LL, 0x0000000300000000LL)))
81 return 1;
82 if (test__negvti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFD00000000LL)))
83 return 1;
84 if (test__negvti2(make_ti(0x0000000000000000LL, 0x7FFFFFFFFFFFFFFFLL)))
85 return 1;
86 if (test__negvti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0x8000000000000001LL)))
87 return 1;
88 if (test__negvti2(make_ti(0x0000000000000000LL, 0x7FFFFFFFFFFFFFFFLL)))
89 return 1;
90 if (test__negvti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFE00000000LL)))
91 return 1;
92 if (test__negvti2(make_ti(0x0000000000000000LL, 0x0000000200000000LL)))
93 return 1;
94 if (test__negvti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000000LL)))
95 return 1;
96 if (test__negvti2(make_ti(0x0000000000000000LL, 0x0000000100000000LL)))
97 return 1;
98 // if (test__negvti2(make_ti(0x8000000000000000LL, 0x0000000000000000LL))) // abort
99 // return 1;
100 if (test__negvti2(make_ti(0x8000000000000000LL, 0x0000000000000001LL)))
101 return 1;
102 if (test__negvti2(make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL)))
103 return 1;
104
105 #else
106 printf("skipped\n");
107 #endif
108 return 0;
109 }
110