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 COMPILER_RT_ABI 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