1 // RUN: %clang_builtins %s %librt -o %t && %run %t
2 // REQUIRES: librt_has_lshrti3
3 // REQUIRES: int128
4 
5 #include "int_lib.h"
6 #include <stdio.h>
7 
8 #ifdef CRT_HAS_128BIT
9 
10 // Returns: logical a >> b
11 
12 // Precondition:  0 <= b < bits_in_dword
13 
14 COMPILER_RT_ABI ti_int __lshrti3(ti_int a, si_int b);
15 
test__lshrti3(ti_int a,si_int b,ti_int expected)16 int test__lshrti3(ti_int a, si_int b, ti_int expected)
17 {
18     ti_int x = __lshrti3(a, b);
19     if (x != expected)
20     {
21         twords at;
22         at.all = a;
23         twords xt;
24         xt.all = x;
25         twords expectedt;
26         expectedt.all = expected;
27         printf("error in __lshrti3: 0x%llX%.16llX >> %d = 0x%llX%.16llX,"
28                " expected 0x%llX%.16llX\n",
29                 at.s.high, at.s.low, b, xt.s.high, xt.s.low,
30                 expectedt.s.high, expectedt.s.low);
31     }
32     return x != expected;
33 }
34 
35 char assumption_1[sizeof(ti_int) == 2*sizeof(di_int)] = {0};
36 
37 #endif
38 
main()39 int main()
40 {
41 #ifdef CRT_HAS_128BIT
42     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 0,
43                       make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL)))
44         return 1;
45     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 1,
46                       make_ti(0x7F6E5D4C3B2A190ALL, 0xFF6E5D4C3B2A190ALL)))
47         return 1;
48     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 2,
49                       make_ti(0x3FB72EA61D950C85LL, 0x7FB72EA61D950C85LL)))
50         return 1;
51     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 3,
52                       make_ti(0x1FDB97530ECA8642LL, 0xBFDB97530ECA8642LL)))
53         return 1;
54     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 4,
55                       make_ti(0x0FEDCBA987654321LL, 0x5FEDCBA987654321LL)))
56         return 1;
57 
58     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 28,
59                       make_ti(0x0000000FEDCBA987LL, 0x6543215FEDCBA987LL)))
60         return 1;
61     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 29,
62                       make_ti(0x00000007F6E5D4C3LL, 0xB2A190AFF6E5D4C3LL)))
63         return 1;
64     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 30,
65                       make_ti(0x00000003FB72EA61LL, 0xD950C857FB72EA61LL)))
66         return 1;
67     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 31,
68                       make_ti(0x00000001FDB97530LL, 0xECA8642BFDB97530LL)))
69         return 1;
70 
71     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 32,
72                       make_ti(0x00000000FEDCBA98LL, 0x76543215FEDCBA98LL)))
73         return 1;
74 
75     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 33,
76                       make_ti(0x000000007F6E5D4CLL, 0x3B2A190AFF6E5D4CLL)))
77         return 1;
78     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 34,
79                       make_ti(0x000000003FB72EA6LL, 0x1D950C857FB72EA6LL)))
80         return 1;
81     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 35,
82                       make_ti(0x000000001FDB9753LL, 0x0ECA8642BFDB9753LL)))
83         return 1;
84     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 36,
85                       make_ti(0x000000000FEDCBA9LL, 0x876543215FEDCBA9LL)))
86         return 1;
87 
88     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 60,
89                       make_ti(0x000000000000000FLL, 0xEDCBA9876543215FLL)))
90         return 1;
91     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 61,
92                       make_ti(0x0000000000000007LL, 0xF6E5D4C3B2A190AFLL)))
93         return 1;
94     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 62,
95                       make_ti(0x0000000000000003LL, 0xFB72EA61D950C857LL)))
96         return 1;
97     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 63,
98                       make_ti(0x0000000000000001LL, 0xFDB97530ECA8642BLL)))
99         return 1;
100 
101     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 64,
102                       make_ti(0x0000000000000000LL, 0xFEDCBA9876543215LL)))
103         return 1;
104 
105     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 65,
106                       make_ti(0x0000000000000000LL, 0x7F6E5D4C3B2A190ALL)))
107         return 1;
108     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 66,
109                       make_ti(0x0000000000000000LL, 0x3FB72EA61D950C85LL)))
110         return 1;
111     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 67,
112                       make_ti(0x0000000000000000LL, 0x1FDB97530ECA8642LL)))
113         return 1;
114     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 68,
115                       make_ti(0x0000000000000000LL, 0x0FEDCBA987654321LL)))
116         return 1;
117 
118     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 92,
119                       make_ti(0x0000000000000000LL, 0x0000000FEDCBA987LL)))
120         return 1;
121     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 93,
122                       make_ti(0x0000000000000000LL, 0x00000007F6E5D4C3LL)))
123         return 1;
124     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 94,
125                       make_ti(0x0000000000000000LL, 0x00000003FB72EA61LL)))
126         return 1;
127     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 95,
128                       make_ti(0x0000000000000000LL, 0x00000001FDB97530LL)))
129         return 1;
130 
131     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 96,
132                       make_ti(0x0000000000000000LL, 0x00000000FEDCBA98LL)))
133         return 1;
134 
135     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 97,
136                       make_ti(0x0000000000000000LL, 0x000000007F6E5D4CLL)))
137         return 1;
138     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 98,
139                       make_ti(0x0000000000000000LL, 0x000000003FB72EA6LL)))
140         return 1;
141     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 99,
142                       make_ti(0x0000000000000000LL, 0x000000001FDB9753LL)))
143         return 1;
144     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 100,
145                       make_ti(0x0000000000000000LL, 0x000000000FEDCBA9LL)))
146         return 1;
147 
148     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 124,
149                       make_ti(0x0000000000000000LL, 0x000000000000000FLL)))
150         return 1;
151     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 125,
152                       make_ti(0x0000000000000000LL, 0x0000000000000007LL)))
153         return 1;
154     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 126,
155                       make_ti(0x0000000000000000LL, 0x0000000000000003LL)))
156         return 1;
157     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 127,
158                       make_ti(0x0000000000000000LL, 0x0000000000000001LL)))
159         return 1;
160 #else
161     printf("skipped\n");
162 #endif
163     return 0;
164 }
165