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Side by Side Diff: runtime/vm/constants_ia32.h

Issue 2481873005: clang-format runtime/vm (Closed)
Patch Set: Merge Created 4 years, 1 month ago
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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
2 // for details. All rights reserved. Use of this source code is governed by a 2 // for details. All rights reserved. Use of this source code is governed by a
3 // BSD-style license that can be found in the LICENSE file. 3 // BSD-style license that can be found in the LICENSE file.
4 4
5 #ifndef RUNTIME_VM_CONSTANTS_IA32_H_ 5 #ifndef RUNTIME_VM_CONSTANTS_IA32_H_
6 #define RUNTIME_VM_CONSTANTS_IA32_H_ 6 #define RUNTIME_VM_CONSTANTS_IA32_H_
7 7
8 #include "platform/assert.h" 8 #include "platform/assert.h"
9 9
10 namespace dart { 10 namespace dart {
(...skipping 40 matching lines...) Expand 10 before | Expand all | Expand 10 after
51 51
52 52
53 // Architecture independent aliases. 53 // Architecture independent aliases.
54 typedef XmmRegister FpuRegister; 54 typedef XmmRegister FpuRegister;
55 const FpuRegister FpuTMP = XMM0; 55 const FpuRegister FpuTMP = XMM0;
56 const int kNumberOfFpuRegisters = kNumberOfXmmRegisters; 56 const int kNumberOfFpuRegisters = kNumberOfXmmRegisters;
57 const FpuRegister kNoFpuRegister = kNoXmmRegister; 57 const FpuRegister kNoFpuRegister = kNoXmmRegister;
58 58
59 59
60 // Register aliases. 60 // Register aliases.
61 const Register TMP = kNoRegister; // No scratch register used by assembler. 61 const Register TMP = kNoRegister; // No scratch register used by assembler.
62 const Register TMP2 = kNoRegister; // No second assembler scratch register. 62 const Register TMP2 = kNoRegister; // No second assembler scratch register.
63 const Register CTX = EDI; // Location of current context at method entry. 63 const Register CTX = EDI; // Location of current context at method entry.
64 const Register CODE_REG = EDI; 64 const Register CODE_REG = EDI;
65 const Register PP = kNoRegister; // No object pool pointer. 65 const Register PP = kNoRegister; // No object pool pointer.
66 const Register SPREG = ESP; // Stack pointer register. 66 const Register SPREG = ESP; // Stack pointer register.
67 const Register FPREG = EBP; // Frame pointer register. 67 const Register FPREG = EBP; // Frame pointer register.
68 const Register ICREG = ECX; // IC data register. 68 const Register ICREG = ECX; // IC data register.
69 const Register ARGS_DESC_REG = EDX; // Arguments descriptor register. 69 const Register ARGS_DESC_REG = EDX; // Arguments descriptor register.
70 const Register THR = ESI; // Caches current thread in generated code. 70 const Register THR = ESI; // Caches current thread in generated code.
71 const Register CALLEE_SAVED_TEMP = EBX; 71 const Register CALLEE_SAVED_TEMP = EBX;
72 const Register CALLEE_SAVED_TEMP2 = EDI; 72 const Register CALLEE_SAVED_TEMP2 = EDI;
73 73
74 // Exception object is passed in this register to the catch handlers when an 74 // Exception object is passed in this register to the catch handlers when an
75 // exception is thrown. 75 // exception is thrown.
76 const Register kExceptionObjectReg = EAX; 76 const Register kExceptionObjectReg = EAX;
77 77
78 // Stack trace object is passed in this register to the catch handlers when 78 // Stack trace object is passed in this register to the catch handlers when
79 // an exception is thrown. 79 // an exception is thrown.
80 const Register kStackTraceObjectReg = EDX; 80 const Register kStackTraceObjectReg = EDX;
81 81
82 82
83 typedef uint32_t RegList; 83 typedef uint32_t RegList;
84 const RegList kAllCpuRegistersList = 0xFF; 84 const RegList kAllCpuRegistersList = 0xFF;
85 85
86 const intptr_t kReservedCpuRegisters = 86 const intptr_t kReservedCpuRegisters = (1 << SPREG) | (1 << FPREG) | (1 << THR);
87 (1 << SPREG) |
88 (1 << FPREG) |
89 (1 << THR);
90 // CPU registers available to Dart allocator. 87 // CPU registers available to Dart allocator.
91 const RegList kDartAvailableCpuRegs = 88 const RegList kDartAvailableCpuRegs =
92 kAllCpuRegistersList & ~kReservedCpuRegisters; 89 kAllCpuRegistersList & ~kReservedCpuRegisters;
93 90
94 91
95 enum ScaleFactor { 92 enum ScaleFactor {
96 TIMES_1 = 0, 93 TIMES_1 = 0,
97 TIMES_2 = 1, 94 TIMES_2 = 1,
98 TIMES_4 = 2, 95 TIMES_4 = 2,
99 TIMES_8 = 3, 96 TIMES_8 = 3,
100 TIMES_16 = 4, 97 TIMES_16 = 4,
101 TIMES_HALF_WORD_SIZE = kWordSizeLog2 - 1 98 TIMES_HALF_WORD_SIZE = kWordSizeLog2 - 1
102 }; 99 };
103 100
104 101
105 enum Condition { 102 enum Condition {
106 OVERFLOW = 0, 103 OVERFLOW = 0,
107 NO_OVERFLOW = 1, 104 NO_OVERFLOW = 1,
108 BELOW = 2, 105 BELOW = 2,
109 ABOVE_EQUAL = 3, 106 ABOVE_EQUAL = 3,
110 EQUAL = 4, 107 EQUAL = 4,
111 NOT_EQUAL = 5, 108 NOT_EQUAL = 5,
112 BELOW_EQUAL = 6, 109 BELOW_EQUAL = 6,
113 ABOVE = 7, 110 ABOVE = 7,
114 SIGN = 8, 111 SIGN = 8,
115 NOT_SIGN = 9, 112 NOT_SIGN = 9,
116 PARITY_EVEN = 10, 113 PARITY_EVEN = 10,
117 PARITY_ODD = 11, 114 PARITY_ODD = 11,
118 LESS = 12, 115 LESS = 12,
119 GREATER_EQUAL = 13, 116 GREATER_EQUAL = 13,
120 LESS_EQUAL = 14, 117 LESS_EQUAL = 14,
121 GREATER = 15, 118 GREATER = 15,
122 119
123 ZERO = EQUAL, 120 ZERO = EQUAL,
124 NOT_ZERO = NOT_EQUAL, 121 NOT_ZERO = NOT_EQUAL,
125 NEGATIVE = SIGN, 122 NEGATIVE = SIGN,
126 POSITIVE = NOT_SIGN, 123 POSITIVE = NOT_SIGN,
127 CARRY = BELOW, 124 CARRY = BELOW,
128 NOT_CARRY = ABOVE_EQUAL 125 NOT_CARRY = ABOVE_EQUAL
129 }; 126 };
130 127
131 128
132 class Instr { 129 class Instr {
133 public: 130 public:
134 static const uint8_t kHltInstruction = 0xF4; 131 static const uint8_t kHltInstruction = 0xF4;
135 // We prefer not to use the int3 instruction since it conflicts with gdb. 132 // We prefer not to use the int3 instruction since it conflicts with gdb.
136 static const uint8_t kBreakPointInstruction = kHltInstruction; 133 static const uint8_t kBreakPointInstruction = kHltInstruction;
137 static const int kBreakPointInstructionSize = 1; 134 static const int kBreakPointInstructionSize = 1;
138 135
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154 }; 151 };
155 152
156 153
157 // The largest multibyte nop we will emit. This could go up to 15 if it 154 // The largest multibyte nop we will emit. This could go up to 15 if it
158 // becomes important to us. 155 // becomes important to us.
159 const int MAX_NOP_SIZE = 8; 156 const int MAX_NOP_SIZE = 8;
160 157
161 } // namespace dart 158 } // namespace dart
162 159
163 #endif // RUNTIME_VM_CONSTANTS_IA32_H_ 160 #endif // RUNTIME_VM_CONSTANTS_IA32_H_
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