1 //===-- lshrti3_test.c - Test __lshrti3 -----------------------------------===//
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 __lshrti3 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: logical a >> b
20
21 // Precondition: 0 <= b < bits_in_dword
22
23 COMPILER_RT_ABI ti_int __lshrti3(ti_int a, si_int b);
24
test__lshrti3(ti_int a,si_int b,ti_int expected)25 int test__lshrti3(ti_int a, si_int b, ti_int expected)
26 {
27 ti_int x = __lshrti3(a, b);
28 if (x != expected)
29 {
30 twords at;
31 at.all = a;
32 twords xt;
33 xt.all = x;
34 twords expectedt;
35 expectedt.all = expected;
36 printf("error in __lshrti3: 0x%llX%.16llX >> %d = 0x%llX%.16llX,"
37 " expected 0x%llX%.16llX\n",
38 at.s.high, at.s.low, b, xt.s.high, xt.s.low,
39 expectedt.s.high, expectedt.s.low);
40 }
41 return x != expected;
42 }
43
44 char assumption_1[sizeof(ti_int) == 2*sizeof(di_int)] = {0};
45
46 #endif
47
main()48 int main()
49 {
50 #ifdef CRT_HAS_128BIT
51 if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 0,
52 make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL)))
53 return 1;
54 if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 1,
55 make_ti(0x7F6E5D4C3B2A190ALL, 0xFF6E5D4C3B2A190ALL)))
56 return 1;
57 if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 2,
58 make_ti(0x3FB72EA61D950C85LL, 0x7FB72EA61D950C85LL)))
59 return 1;
60 if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 3,
61 make_ti(0x1FDB97530ECA8642LL, 0xBFDB97530ECA8642LL)))
62 return 1;
63 if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 4,
64 make_ti(0x0FEDCBA987654321LL, 0x5FEDCBA987654321LL)))
65 return 1;
66
67 if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 28,
68 make_ti(0x0000000FEDCBA987LL, 0x6543215FEDCBA987LL)))
69 return 1;
70 if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 29,
71 make_ti(0x00000007F6E5D4C3LL, 0xB2A190AFF6E5D4C3LL)))
72 return 1;
73 if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 30,
74 make_ti(0x00000003FB72EA61LL, 0xD950C857FB72EA61LL)))
75 return 1;
76 if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 31,
77 make_ti(0x00000001FDB97530LL, 0xECA8642BFDB97530LL)))
78 return 1;
79
80 if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 32,
81 make_ti(0x00000000FEDCBA98LL, 0x76543215FEDCBA98LL)))
82 return 1;
83
84 if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 33,
85 make_ti(0x000000007F6E5D4CLL, 0x3B2A190AFF6E5D4CLL)))
86 return 1;
87 if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 34,
88 make_ti(0x000000003FB72EA6LL, 0x1D950C857FB72EA6LL)))
89 return 1;
90 if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 35,
91 make_ti(0x000000001FDB9753LL, 0x0ECA8642BFDB9753LL)))
92 return 1;
93 if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 36,
94 make_ti(0x000000000FEDCBA9LL, 0x876543215FEDCBA9LL)))
95 return 1;
96
97 if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 60,
98 make_ti(0x000000000000000FLL, 0xEDCBA9876543215FLL)))
99 return 1;
100 if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 61,
101 make_ti(0x0000000000000007LL, 0xF6E5D4C3B2A190AFLL)))
102 return 1;
103 if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 62,
104 make_ti(0x0000000000000003LL, 0xFB72EA61D950C857LL)))
105 return 1;
106 if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 63,
107 make_ti(0x0000000000000001LL, 0xFDB97530ECA8642BLL)))
108 return 1;
109
110 if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 64,
111 make_ti(0x0000000000000000LL, 0xFEDCBA9876543215LL)))
112 return 1;
113
114 if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 65,
115 make_ti(0x0000000000000000LL, 0x7F6E5D4C3B2A190ALL)))
116 return 1;
117 if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 66,
118 make_ti(0x0000000000000000LL, 0x3FB72EA61D950C85LL)))
119 return 1;
120 if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 67,
121 make_ti(0x0000000000000000LL, 0x1FDB97530ECA8642LL)))
122 return 1;
123 if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 68,
124 make_ti(0x0000000000000000LL, 0x0FEDCBA987654321LL)))
125 return 1;
126
127 if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 92,
128 make_ti(0x0000000000000000LL, 0x0000000FEDCBA987LL)))
129 return 1;
130 if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 93,
131 make_ti(0x0000000000000000LL, 0x00000007F6E5D4C3LL)))
132 return 1;
133 if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 94,
134 make_ti(0x0000000000000000LL, 0x00000003FB72EA61LL)))
135 return 1;
136 if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 95,
137 make_ti(0x0000000000000000LL, 0x00000001FDB97530LL)))
138 return 1;
139
140 if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 96,
141 make_ti(0x0000000000000000LL, 0x00000000FEDCBA98LL)))
142 return 1;
143
144 if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 97,
145 make_ti(0x0000000000000000LL, 0x000000007F6E5D4CLL)))
146 return 1;
147 if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 98,
148 make_ti(0x0000000000000000LL, 0x000000003FB72EA6LL)))
149 return 1;
150 if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 99,
151 make_ti(0x0000000000000000LL, 0x000000001FDB9753LL)))
152 return 1;
153 if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 100,
154 make_ti(0x0000000000000000LL, 0x000000000FEDCBA9LL)))
155 return 1;
156
157 if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 124,
158 make_ti(0x0000000000000000LL, 0x000000000000000FLL)))
159 return 1;
160 if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 125,
161 make_ti(0x0000000000000000LL, 0x0000000000000007LL)))
162 return 1;
163 if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 126,
164 make_ti(0x0000000000000000LL, 0x0000000000000003LL)))
165 return 1;
166 if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 127,
167 make_ti(0x0000000000000000LL, 0x0000000000000001LL)))
168 return 1;
169 #else
170 printf("skipped\n");
171 #endif
172 return 0;
173 }
174