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Issue 426233002: Land the Fan (disabled) (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Review feedback, rebase and "git cl format" Created 6 years, 4 months ago
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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 #include "src/v8.h" 5 #include "src/v8.h"
6 6
7 #if V8_TARGET_ARCH_X64 7 #if V8_TARGET_ARCH_X64
8 8
9 #include "src/codegen.h" 9 #include "src/codegen.h"
10 #include "src/deoptimizer.h" 10 #include "src/deoptimizer.h"
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53 // jump if space is short. The absolute jumps are put in a table just 53 // jump if space is short. The absolute jumps are put in a table just
54 // before the safepoint table (space was allocated there when the Code 54 // before the safepoint table (space was allocated there when the Code
55 // object was created, if necessary). 55 // object was created, if necessary).
56 56
57 Address instruction_start = code->instruction_start(); 57 Address instruction_start = code->instruction_start();
58 #ifdef DEBUG 58 #ifdef DEBUG
59 Address prev_call_address = NULL; 59 Address prev_call_address = NULL;
60 #endif 60 #endif
61 DeoptimizationInputData* deopt_data = 61 DeoptimizationInputData* deopt_data =
62 DeoptimizationInputData::cast(code->deoptimization_data()); 62 DeoptimizationInputData::cast(code->deoptimization_data());
63 SharedFunctionInfo* shared =
64 SharedFunctionInfo::cast(deopt_data->SharedFunctionInfo());
65 shared->EvictFromOptimizedCodeMap(code, "deoptimized code");
66 deopt_data->SetSharedFunctionInfo(Smi::FromInt(0)); 63 deopt_data->SetSharedFunctionInfo(Smi::FromInt(0));
67 // For each LLazyBailout instruction insert a call to the corresponding 64 // For each LLazyBailout instruction insert a call to the corresponding
68 // deoptimization entry. 65 // deoptimization entry.
69 for (int i = 0; i < deopt_data->DeoptCount(); i++) { 66 for (int i = 0; i < deopt_data->DeoptCount(); i++) {
70 if (deopt_data->Pc(i)->value() == -1) continue; 67 if (deopt_data->Pc(i)->value() == -1) continue;
71 // Position where Call will be patched in. 68 // Position where Call will be patched in.
72 Address call_address = instruction_start + deopt_data->Pc(i)->value(); 69 Address call_address = instruction_start + deopt_data->Pc(i)->value();
73 // There is room enough to write a long call instruction because we pad 70 // There is room enough to write a long call instruction because we pad
74 // LLazyBailout instructions with nops if necessary. 71 // LLazyBailout instructions with nops if necessary.
75 CodePatcher patcher(call_address, Assembler::kCallSequenceLength); 72 CodePatcher patcher(call_address, Assembler::kCallSequenceLength);
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346 UNREACHABLE(); 343 UNREACHABLE();
347 } 344 }
348 345
349 346
350 #undef __ 347 #undef __
351 348
352 349
353 } } // namespace v8::internal 350 } } // namespace v8::internal
354 351
355 #endif // V8_TARGET_ARCH_X64 352 #endif // V8_TARGET_ARCH_X64
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