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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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_X87_CODE_STUBS_X87_H_ | 5 #ifndef V8_X87_CODE_STUBS_X87_H_ |
6 #define V8_X87_CODE_STUBS_X87_H_ | 6 #define V8_X87_CODE_STUBS_X87_H_ |
7 | 7 |
8 namespace v8 { | 8 namespace v8 { |
9 namespace internal { | 9 namespace internal { |
10 | 10 |
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102 return Register::from_code(IndexBits::decode(minor_key_)); | 102 return Register::from_code(IndexBits::decode(minor_key_)); |
103 } | 103 } |
104 | 104 |
105 LookupMode mode() const { return LookupModeBits::decode(minor_key_); } | 105 LookupMode mode() const { return LookupModeBits::decode(minor_key_); } |
106 | 106 |
107 class DictionaryBits: public BitField<int, 0, 3> {}; | 107 class DictionaryBits: public BitField<int, 0, 3> {}; |
108 class ResultBits: public BitField<int, 3, 3> {}; | 108 class ResultBits: public BitField<int, 3, 3> {}; |
109 class IndexBits: public BitField<int, 6, 3> {}; | 109 class IndexBits: public BitField<int, 6, 3> {}; |
110 class LookupModeBits: public BitField<LookupMode, 9, 1> {}; | 110 class LookupModeBits: public BitField<LookupMode, 9, 1> {}; |
111 | 111 |
| 112 DEFINE_NULL_CALL_INTERFACE_DESCRIPTOR(); |
112 DEFINE_PLATFORM_CODE_STUB(NameDictionaryLookup, PlatformCodeStub); | 113 DEFINE_PLATFORM_CODE_STUB(NameDictionaryLookup, PlatformCodeStub); |
113 }; | 114 }; |
114 | 115 |
115 | 116 |
116 class RecordWriteStub: public PlatformCodeStub { | 117 class RecordWriteStub: public PlatformCodeStub { |
117 public: | 118 public: |
118 RecordWriteStub(Isolate* isolate, | 119 RecordWriteStub(Isolate* isolate, |
119 Register object, | 120 Register object, |
120 Register value, | 121 Register value, |
121 Register address, | 122 Register address, |
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181 case INCREMENTAL_COMPACTION: | 182 case INCREMENTAL_COMPACTION: |
182 DCHECK(GetMode(stub) == STORE_BUFFER_ONLY); | 183 DCHECK(GetMode(stub) == STORE_BUFFER_ONLY); |
183 stub->instruction_start()[0] = kTwoByteNopInstruction; | 184 stub->instruction_start()[0] = kTwoByteNopInstruction; |
184 stub->instruction_start()[2] = kFiveByteJumpInstruction; | 185 stub->instruction_start()[2] = kFiveByteJumpInstruction; |
185 break; | 186 break; |
186 } | 187 } |
187 DCHECK(GetMode(stub) == mode); | 188 DCHECK(GetMode(stub) == mode); |
188 CpuFeatures::FlushICache(stub->instruction_start(), 7); | 189 CpuFeatures::FlushICache(stub->instruction_start(), 7); |
189 } | 190 } |
190 | 191 |
| 192 DEFINE_NULL_CALL_INTERFACE_DESCRIPTOR(); |
| 193 |
191 private: | 194 private: |
192 // This is a helper class for freeing up 3 scratch registers, where the third | 195 // This is a helper class for freeing up 3 scratch registers, where the third |
193 // is always ecx (needed for shift operations). The input is two registers | 196 // is always ecx (needed for shift operations). The input is two registers |
194 // that must be preserved and one scratch register provided by the caller. | 197 // that must be preserved and one scratch register provided by the caller. |
195 class RegisterAllocation { | 198 class RegisterAllocation { |
196 public: | 199 public: |
197 RegisterAllocation(Register object, | 200 RegisterAllocation(Register object, |
198 Register address, | 201 Register address, |
199 Register scratch0) | 202 Register scratch0) |
200 : object_orig_(object), | 203 : object_orig_(object), |
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352 | 355 |
353 RegisterAllocation regs_; | 356 RegisterAllocation regs_; |
354 | 357 |
355 DISALLOW_COPY_AND_ASSIGN(RecordWriteStub); | 358 DISALLOW_COPY_AND_ASSIGN(RecordWriteStub); |
356 }; | 359 }; |
357 | 360 |
358 | 361 |
359 } } // namespace v8::internal | 362 } } // namespace v8::internal |
360 | 363 |
361 #endif // V8_X87_CODE_STUBS_X87_H_ | 364 #endif // V8_X87_CODE_STUBS_X87_H_ |
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