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Issue 2304573004: Port FastCloneShallowArrayStub to Turbofan (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: comments from Ross Created 4 years, 3 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 #if V8_TARGET_ARCH_X87 5 #if V8_TARGET_ARCH_X87
6 6
7 #include "src/full-codegen/full-codegen.h" 7 #include "src/full-codegen/full-codegen.h"
8 #include "src/ast/compile-time-value.h" 8 #include "src/ast/compile-time-value.h"
9 #include "src/ast/scopes.h" 9 #include "src/ast/scopes.h"
10 #include "src/code-factory.h" 10 #include "src/code-factory.h"
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1485 __ push(Immediate(Smi::FromInt(expr->literal_index()))); 1485 __ push(Immediate(Smi::FromInt(expr->literal_index())));
1486 __ push(Immediate(constant_elements)); 1486 __ push(Immediate(constant_elements));
1487 __ push(Immediate(Smi::FromInt(expr->ComputeFlags()))); 1487 __ push(Immediate(Smi::FromInt(expr->ComputeFlags())));
1488 __ CallRuntime(Runtime::kCreateArrayLiteral); 1488 __ CallRuntime(Runtime::kCreateArrayLiteral);
1489 } else { 1489 } else {
1490 __ mov(eax, Operand(ebp, JavaScriptFrameConstants::kFunctionOffset)); 1490 __ mov(eax, Operand(ebp, JavaScriptFrameConstants::kFunctionOffset));
1491 __ mov(ebx, Immediate(Smi::FromInt(expr->literal_index()))); 1491 __ mov(ebx, Immediate(Smi::FromInt(expr->literal_index())));
1492 __ mov(ecx, Immediate(constant_elements)); 1492 __ mov(ecx, Immediate(constant_elements));
1493 FastCloneShallowArrayStub stub(isolate(), allocation_site_mode); 1493 FastCloneShallowArrayStub stub(isolate(), allocation_site_mode);
1494 __ CallStub(&stub); 1494 __ CallStub(&stub);
1495 RestoreContext();
1495 } 1496 }
1496 PrepareForBailoutForId(expr->CreateLiteralId(), BailoutState::TOS_REGISTER); 1497 PrepareForBailoutForId(expr->CreateLiteralId(), BailoutState::TOS_REGISTER);
1497 1498
1498 bool result_saved = false; // Is the result saved to the stack? 1499 bool result_saved = false; // Is the result saved to the stack?
1499 ZoneList<Expression*>* subexprs = expr->values(); 1500 ZoneList<Expression*>* subexprs = expr->values();
1500 int length = subexprs->length(); 1501 int length = subexprs->length();
1501 1502
1502 // Emit code to evaluate all the non-constant subexpressions and to store 1503 // Emit code to evaluate all the non-constant subexpressions and to store
1503 // them into the newly cloned array. 1504 // them into the newly cloned array.
1504 for (int array_index = 0; array_index < length; array_index++) { 1505 for (int array_index = 0; array_index < length; array_index++) {
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3597 isolate->builtins()->OnStackReplacement()->entry(), 3598 isolate->builtins()->OnStackReplacement()->entry(),
3598 Assembler::target_address_at(call_target_address, unoptimized_code)); 3599 Assembler::target_address_at(call_target_address, unoptimized_code));
3599 return ON_STACK_REPLACEMENT; 3600 return ON_STACK_REPLACEMENT;
3600 } 3601 }
3601 3602
3602 3603
3603 } // namespace internal 3604 } // namespace internal
3604 } // namespace v8 3605 } // namespace v8
3605 3606
3606 #endif // V8_TARGET_ARCH_X87 3607 #endif // V8_TARGET_ARCH_X87
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