1 //===- subzero/unittest/AssemblerX8632/Other.cpp --------------------------===//
2 //
3 // The Subzero Code Generator
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 #include "AssemblerX8632/TestUtil.h"
10
11 namespace Ice {
12 namespace X8632 {
13 namespace Test {
14 namespace {
15
TEST_F(AssemblerX8632LowLevelTest,Nop)16 TEST_F(AssemblerX8632LowLevelTest, Nop) {
17 #define TestImpl(Size, ...) \
18 do { \
19 static constexpr char TestString[] = "(" #Size ", " #__VA_ARGS__ ")"; \
20 __ nop(Size); \
21 ASSERT_EQ(Size##u, codeBytesSize()) << TestString; \
22 ASSERT_TRUE(verifyBytes<Size>(codeBytes(), __VA_ARGS__)) << TestString; \
23 reset(); \
24 } while (0);
25
26 TestImpl(1, 0x90);
27 TestImpl(2, 0x66, 0x90);
28 TestImpl(3, 0x0F, 0x1F, 0x00);
29 TestImpl(4, 0x0F, 0x1F, 0x40, 0x00);
30 TestImpl(5, 0x0F, 0x1F, 0x44, 0x00, 0x00);
31 TestImpl(6, 0x66, 0x0F, 0x1F, 0x44, 0x00, 0x00);
32 TestImpl(7, 0x0F, 0x1F, 0x80, 0x00, 0x00, 0x00, 0x00);
33 TestImpl(8, 0x0F, 0x1F, 0x84, 0x00, 0x00, 0x00, 0x00, 0x00);
34
35 #undef TestImpl
36 }
37
TEST_F(AssemblerX8632LowLevelTest,Int3)38 TEST_F(AssemblerX8632LowLevelTest, Int3) {
39 __ int3();
40 static constexpr uint32_t ByteCount = 1;
41 ASSERT_EQ(ByteCount, codeBytesSize());
42 verifyBytes<ByteCount>(codeBytes(), 0xCC);
43 }
44
TEST_F(AssemblerX8632LowLevelTest,Hlt)45 TEST_F(AssemblerX8632LowLevelTest, Hlt) {
46 __ hlt();
47 static constexpr uint32_t ByteCount = 1;
48 ASSERT_EQ(ByteCount, codeBytesSize());
49 verifyBytes<ByteCount>(codeBytes(), 0xF4);
50 }
51
TEST_F(AssemblerX8632LowLevelTest,Ud2)52 TEST_F(AssemblerX8632LowLevelTest, Ud2) {
53 __ ud2();
54 static constexpr uint32_t ByteCount = 2;
55 ASSERT_EQ(ByteCount, codeBytesSize());
56 verifyBytes<ByteCount>(codeBytes(), 0x0F, 0x0B);
57 }
58
TEST_F(AssemblerX8632LowLevelTest,EmitSegmentOverride)59 TEST_F(AssemblerX8632LowLevelTest, EmitSegmentOverride) {
60 #define TestImpl(Prefix) \
61 do { \
62 static constexpr uint8_t ByteCount = 1; \
63 __ emitSegmentOverride(Prefix); \
64 ASSERT_EQ(ByteCount, codeBytesSize()) << Prefix; \
65 verifyBytes<ByteCount>(codeBytes(), Prefix); \
66 reset(); \
67 } while (0)
68
69 TestImpl(0x26);
70 TestImpl(0x2E);
71 TestImpl(0x36);
72 TestImpl(0x3E);
73 TestImpl(0x64);
74 TestImpl(0x65);
75 TestImpl(0x66);
76 TestImpl(0x67);
77
78 #undef TestImpl
79 }
80
81 } // end of anonymous namespace
82 } // end of namespace Test
83 } // end of namespace X8632
84 } // end of namespace Ice
85