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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef V8_X64_MACRO_ASSEMBLER_X64_H_ | 5 #ifndef V8_X64_MACRO_ASSEMBLER_X64_H_ |
6 #define V8_X64_MACRO_ASSEMBLER_X64_H_ | 6 #define V8_X64_MACRO_ASSEMBLER_X64_H_ |
7 | 7 |
8 #include "src/assembler.h" | 8 #include "src/assembler.h" |
9 #include "src/bailout-reason.h" | 9 #include "src/bailout-reason.h" |
10 #include "src/base/flags.h" | 10 #include "src/base/flags.h" |
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142 // to get the index into the root-array. | 142 // to get the index into the root-array. |
143 void LoadRootIndexed(Register destination, | 143 void LoadRootIndexed(Register destination, |
144 Register variable_offset, | 144 Register variable_offset, |
145 int fixed_offset); | 145 int fixed_offset); |
146 void CompareRoot(Register with, Heap::RootListIndex index); | 146 void CompareRoot(Register with, Heap::RootListIndex index); |
147 void CompareRoot(const Operand& with, Heap::RootListIndex index); | 147 void CompareRoot(const Operand& with, Heap::RootListIndex index); |
148 void PushRoot(Heap::RootListIndex index); | 148 void PushRoot(Heap::RootListIndex index); |
149 | 149 |
150 // Compare the object in a register to a value and jump if they are equal. | 150 // Compare the object in a register to a value and jump if they are equal. |
151 void JumpIfRoot(Register with, Heap::RootListIndex index, Label* if_equal, | 151 void JumpIfRoot(Register with, Heap::RootListIndex index, Label* if_equal, |
152 Label::Distance if_equal_distance = Label::kNear) { | 152 Label::Distance if_equal_distance = Label::kFar) { |
153 CompareRoot(with, index); | 153 CompareRoot(with, index); |
154 j(equal, if_equal, if_equal_distance); | 154 j(equal, if_equal, if_equal_distance); |
155 } | 155 } |
156 void JumpIfRoot(const Operand& with, Heap::RootListIndex index, | 156 void JumpIfRoot(const Operand& with, Heap::RootListIndex index, |
157 Label* if_equal, | 157 Label* if_equal, |
158 Label::Distance if_equal_distance = Label::kNear) { | 158 Label::Distance if_equal_distance = Label::kFar) { |
159 CompareRoot(with, index); | 159 CompareRoot(with, index); |
160 j(equal, if_equal, if_equal_distance); | 160 j(equal, if_equal, if_equal_distance); |
161 } | 161 } |
162 | 162 |
163 // Compare the object in a register to a value and jump if they are not equal. | 163 // Compare the object in a register to a value and jump if they are not equal. |
164 void JumpIfNotRoot(Register with, Heap::RootListIndex index, | 164 void JumpIfNotRoot(Register with, Heap::RootListIndex index, |
165 Label* if_not_equal, | 165 Label* if_not_equal, |
166 Label::Distance if_not_equal_distance = Label::kNear) { | 166 Label::Distance if_not_equal_distance = Label::kFar) { |
167 CompareRoot(with, index); | 167 CompareRoot(with, index); |
168 j(not_equal, if_not_equal, if_not_equal_distance); | 168 j(not_equal, if_not_equal, if_not_equal_distance); |
169 } | 169 } |
170 void JumpIfNotRoot(const Operand& with, Heap::RootListIndex index, | 170 void JumpIfNotRoot(const Operand& with, Heap::RootListIndex index, |
171 Label* if_not_equal, | 171 Label* if_not_equal, |
172 Label::Distance if_not_equal_distance = Label::kNear) { | 172 Label::Distance if_not_equal_distance = Label::kFar) { |
173 CompareRoot(with, index); | 173 CompareRoot(with, index); |
174 j(not_equal, if_not_equal, if_not_equal_distance); | 174 j(not_equal, if_not_equal, if_not_equal_distance); |
175 } | 175 } |
176 | 176 |
177 // These functions do not arrange the registers in any particular order so | 177 // These functions do not arrange the registers in any particular order so |
178 // they are not useful for calls that can cause a GC. The caller can | 178 // they are not useful for calls that can cause a GC. The caller can |
179 // exclude up to 3 registers that do not need to be saved and restored. | 179 // exclude up to 3 registers that do not need to be saved and restored. |
180 void PushCallerSaved(SaveFPRegsMode fp_mode, | 180 void PushCallerSaved(SaveFPRegsMode fp_mode, |
181 Register exclusion1 = no_reg, | 181 Register exclusion1 = no_reg, |
182 Register exclusion2 = no_reg, | 182 Register exclusion2 = no_reg, |
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1748 } \ | 1748 } \ |
1749 masm-> | 1749 masm-> |
1750 #else | 1750 #else |
1751 #define ACCESS_MASM(masm) masm-> | 1751 #define ACCESS_MASM(masm) masm-> |
1752 #endif | 1752 #endif |
1753 | 1753 |
1754 } // namespace internal | 1754 } // namespace internal |
1755 } // namespace v8 | 1755 } // namespace v8 |
1756 | 1756 |
1757 #endif // V8_X64_MACRO_ASSEMBLER_X64_H_ | 1757 #endif // V8_X64_MACRO_ASSEMBLER_X64_H_ |
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