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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_IA32_MACRO_ASSEMBLER_IA32_H_ | 5 #ifndef V8_IA32_MACRO_ASSEMBLER_IA32_H_ |
6 #define V8_IA32_MACRO_ASSEMBLER_IA32_H_ | 6 #define V8_IA32_MACRO_ASSEMBLER_IA32_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/frames.h" | 10 #include "src/frames.h" |
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292 | 292 |
293 void CmpObject(Register reg, Handle<Object> object) { | 293 void CmpObject(Register reg, Handle<Object> object) { |
294 AllowDeferredHandleDereference heap_object_check; | 294 AllowDeferredHandleDereference heap_object_check; |
295 if (object->IsHeapObject()) { | 295 if (object->IsHeapObject()) { |
296 CmpHeapObject(reg, Handle<HeapObject>::cast(object)); | 296 CmpHeapObject(reg, Handle<HeapObject>::cast(object)); |
297 } else { | 297 } else { |
298 cmp(reg, Immediate(object)); | 298 cmp(reg, Immediate(object)); |
299 } | 299 } |
300 } | 300 } |
301 | 301 |
| 302 // Compare the given value and the value of weak cell. |
| 303 void CmpWeakValue(Register value, Handle<WeakCell> cell, Register scratch); |
| 304 |
| 305 // Load the value of the weak cell in the value register. Branch to the given |
| 306 // miss label if the weak cell was cleared. |
| 307 void LoadWeakValue(Register value, Handle<WeakCell> cell, Label* miss); |
| 308 |
302 // --------------------------------------------------------------------------- | 309 // --------------------------------------------------------------------------- |
303 // JavaScript invokes | 310 // JavaScript invokes |
304 | 311 |
305 // Invoke the JavaScript function code by either calling or jumping. | 312 // Invoke the JavaScript function code by either calling or jumping. |
306 void InvokeCode(Register code, | 313 void InvokeCode(Register code, |
307 const ParameterCount& expected, | 314 const ParameterCount& expected, |
308 const ParameterCount& actual, | 315 const ParameterCount& actual, |
309 InvokeFlag flag, | 316 InvokeFlag flag, |
310 const CallWrapper& call_wrapper) { | 317 const CallWrapper& call_wrapper) { |
311 InvokeCode(Operand(code), expected, actual, flag, call_wrapper); | 318 InvokeCode(Operand(code), expected, actual, flag, call_wrapper); |
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1110 } \ | 1117 } \ |
1111 masm-> | 1118 masm-> |
1112 #else | 1119 #else |
1113 #define ACCESS_MASM(masm) masm-> | 1120 #define ACCESS_MASM(masm) masm-> |
1114 #endif | 1121 #endif |
1115 | 1122 |
1116 | 1123 |
1117 } } // namespace v8::internal | 1124 } } // namespace v8::internal |
1118 | 1125 |
1119 #endif // V8_IA32_MACRO_ASSEMBLER_IA32_H_ | 1126 #endif // V8_IA32_MACRO_ASSEMBLER_IA32_H_ |
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