1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
|
// Copyright 2016, VIXL authors
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
// * Neither the name of ARM Limited nor the names of its contributors may be
// used to endorse or promote products derived from this software without
// specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS CONTRIBUTORS "AS IS" AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "test-runner.h"
// TODO: Add unit tests for operands on AArch64
// TODO: It would be nice to have negative tests here too.
#ifdef VIXL_INCLUDE_TARGET_AARCH32
#include "aarch32/operands-aarch32.h"
#endif
#define TEST_AARCH32(name) TEST_(AARCH32_OPERANDS_##name)
namespace vixl {
#ifdef VIXL_INCLUDE_TARGET_AARCH32
TEST_AARCH32(operand_from) {
// Test signed and unsigned values.
{
aarch32::Operand op = aarch32::Operand::From(42);
VIXL_CHECK(op.IsImmediate());
VIXL_CHECK(op.GetImmediate() == 42);
VIXL_CHECK(op.GetSignedImmediate() == 42);
}
{
aarch32::Operand op = aarch32::Operand::From(-42);
VIXL_CHECK(op.IsImmediate());
VIXL_CHECK(op.GetImmediate() == (~UINT32_C(42) + 1));
VIXL_CHECK(op.GetSignedImmediate() == -42);
}
// Test with 32-bit integer limits.
{
aarch32::Operand op = aarch32::Operand::From(-1);
VIXL_CHECK(op.IsImmediate());
VIXL_CHECK(op.GetImmediate() == UINT32_MAX);
VIXL_CHECK(op.GetSignedImmediate() == -1);
}
{
aarch32::Operand op = aarch32::Operand::From(UINT32_MAX);
VIXL_CHECK(op.IsImmediate());
VIXL_CHECK(op.GetImmediate() == UINT32_MAX);
VIXL_CHECK(op.GetSignedImmediate() == -1);
}
{
aarch32::Operand op = aarch32::Operand::From(INT32_MAX);
VIXL_CHECK(op.IsImmediate());
VIXL_CHECK(op.GetImmediate() == 0x7fffffffu);
VIXL_CHECK(op.GetSignedImmediate() == INT32_MAX);
}
{
aarch32::Operand op = aarch32::Operand::From(INT32_MIN);
VIXL_CHECK(op.IsImmediate());
VIXL_CHECK(op.GetImmediate() == 0x80000000u);
VIXL_CHECK(op.GetSignedImmediate() == INT32_MIN);
}
// Test with 64-bit signed numbers encodable in 32 bits.
{
aarch32::Operand op = aarch32::Operand::From(INT64_C(-1));
VIXL_CHECK(op.IsImmediate());
VIXL_CHECK(op.GetImmediate() == UINT32_MAX);
VIXL_CHECK(op.GetSignedImmediate() == -1);
}
{
aarch32::Operand op = aarch32::Operand::From(INT64_C(-42));
VIXL_CHECK(op.IsImmediate());
VIXL_CHECK(op.GetImmediate() == (~UINT32_C(42) + 1));
VIXL_CHECK(op.GetSignedImmediate() == -42);
}
#if defined(VIXL_HOST_POINTER_32)
// Test with a pointer that is known to fit into 32 bits.
{
int data = 42;
aarch32::Operand op = aarch32::Operand::From(&data);
VIXL_CHECK(op.IsImmediate());
VIXL_CHECK(op.GetImmediate() == reinterpret_cast<uintptr_t>(&data));
VIXL_CHECK(op.GetSignedImmediate() == reinterpret_cast<intptr_t>(&data));
}
{
int* data = new int;
*data = 42;
aarch32::Operand op = aarch32::Operand::From(data);
VIXL_CHECK(op.IsImmediate());
VIXL_CHECK(op.GetImmediate() == reinterpret_cast<uintptr_t>(data));
VIXL_CHECK(op.GetSignedImmediate() == reinterpret_cast<intptr_t>(data));
delete data;
}
#endif
}
#endif // VIXL_INCLUDE_TARGET_AARCH32
} // namespace vixl
|
