1 //===-- lshrdi3_test.c - Test __lshrdi3 -----------------------------------===//
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 __lshrdi3 for the compiler_rt library.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #include "int_lib.h"
15 #include <stdio.h>
16 
17 // Returns: logical a >> b
18 
19 // Precondition:  0 <= b < bits_in_dword
20 
21 di_int __lshrdi3(di_int a, si_int b);
22 
test__lshrdi3(di_int a,si_int b,di_int expected)23 int test__lshrdi3(di_int a, si_int b, di_int expected)
24 {
25     di_int x = __lshrdi3(a, b);
26     if (x != expected)
27         printf("error in __lshrdi3: %llX >> %d = %llX, expected %llX\n",
28                a, b, __lshrdi3(a, b), expected);
29     return x != expected;
30 }
31 
32 char assumption_1[sizeof(di_int) == 2*sizeof(si_int)] = {0};
33 
main()34 int main()
35 {
36     if (test__lshrdi3(0x0123456789ABCDEFLL, 0, 0x123456789ABCDEFLL))
37         return 1;
38     if (test__lshrdi3(0x0123456789ABCDEFLL, 1, 0x91A2B3C4D5E6F7LL))
39         return 1;
40     if (test__lshrdi3(0x0123456789ABCDEFLL, 2, 0x48D159E26AF37BLL))
41         return 1;
42     if (test__lshrdi3(0x0123456789ABCDEFLL, 3, 0x2468ACF13579BDLL))
43         return 1;
44     if (test__lshrdi3(0x0123456789ABCDEFLL, 4, 0x123456789ABCDELL))
45         return 1;
46 
47     if (test__lshrdi3(0x0123456789ABCDEFLL, 28, 0x12345678LL))
48         return 1;
49     if (test__lshrdi3(0x0123456789ABCDEFLL, 29, 0x91A2B3CLL))
50         return 1;
51     if (test__lshrdi3(0x0123456789ABCDEFLL, 30, 0x48D159ELL))
52         return 1;
53     if (test__lshrdi3(0x0123456789ABCDEFLL, 31, 0x2468ACFLL))
54         return 1;
55 
56     if (test__lshrdi3(0x0123456789ABCDEFLL, 32, 0x1234567LL))
57         return 1;
58 
59     if (test__lshrdi3(0x0123456789ABCDEFLL, 33, 0x91A2B3LL))
60         return 1;
61     if (test__lshrdi3(0x0123456789ABCDEFLL, 34, 0x48D159LL))
62         return 1;
63     if (test__lshrdi3(0x0123456789ABCDEFLL, 35, 0x2468ACLL))
64         return 1;
65     if (test__lshrdi3(0x0123456789ABCDEFLL, 36, 0x123456LL))
66         return 1;
67 
68     if (test__lshrdi3(0x0123456789ABCDEFLL, 60, 0))
69         return 1;
70     if (test__lshrdi3(0x0123456789ABCDEFLL, 61, 0))
71         return 1;
72     if (test__lshrdi3(0x0123456789ABCDEFLL, 62, 0))
73         return 1;
74     if (test__lshrdi3(0x0123456789ABCDEFLL, 63, 0))
75         return 1;
76 
77     if (test__lshrdi3(0xFEDCBA9876543210LL, 0, 0xFEDCBA9876543210LL))
78         return 1;
79     if (test__lshrdi3(0xFEDCBA9876543210LL, 1, 0x7F6E5D4C3B2A1908LL))
80         return 1;
81     if (test__lshrdi3(0xFEDCBA9876543210LL, 2, 0x3FB72EA61D950C84LL))
82         return 1;
83     if (test__lshrdi3(0xFEDCBA9876543210LL, 3, 0x1FDB97530ECA8642LL))
84         return 1;
85     if (test__lshrdi3(0xFEDCBA9876543210LL, 4, 0xFEDCBA987654321LL))
86         return 1;
87 
88     if (test__lshrdi3(0xFEDCBA9876543210LL, 28, 0xFEDCBA987LL))
89         return 1;
90     if (test__lshrdi3(0xFEDCBA9876543210LL, 29, 0x7F6E5D4C3LL))
91         return 1;
92     if (test__lshrdi3(0xFEDCBA9876543210LL, 30, 0x3FB72EA61LL))
93         return 1;
94     if (test__lshrdi3(0xFEDCBA9876543210LL, 31, 0x1FDB97530LL))
95         return 1;
96 
97     if (test__lshrdi3(0xFEDCBA9876543210LL, 32, 0xFEDCBA98LL))
98         return 1;
99 
100     if (test__lshrdi3(0xFEDCBA9876543210LL, 33, 0x7F6E5D4CLL))
101         return 1;
102     if (test__lshrdi3(0xFEDCBA9876543210LL, 34, 0x3FB72EA6LL))
103         return 1;
104     if (test__lshrdi3(0xFEDCBA9876543210LL, 35, 0x1FDB9753LL))
105         return 1;
106     if (test__lshrdi3(0xFEDCBA9876543210LL, 36, 0xFEDCBA9LL))
107         return 1;
108 
109     if (test__lshrdi3(0xAEDCBA9876543210LL, 60, 0xALL))
110         return 1;
111     if (test__lshrdi3(0xAEDCBA9876543210LL, 61, 0x5LL))
112         return 1;
113     if (test__lshrdi3(0xAEDCBA9876543210LL, 62, 0x2LL))
114         return 1;
115     if (test__lshrdi3(0xAEDCBA9876543210LL, 63, 0x1LL))
116         return 1;
117     return 0;
118 }
119