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