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Issue 2304573004: Port FastCloneShallowArrayStub to Turbofan (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: cleanup mode a bit 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_MIPS 5 #if V8_TARGET_ARCH_MIPS
6 6
7 // Note on Mips implementation: 7 // Note on Mips implementation:
8 // 8 //
9 // The result_register() for mips is the 'v0' register, which is defined 9 // The result_register() for mips is the 'v0' register, which is defined
10 // by the ABI to contain function return values. However, the first 10 // by the ABI to contain function return values. However, the first
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1571 __ lw(a3, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset)); 1571 __ lw(a3, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset));
1572 __ li(a2, Operand(Smi::FromInt(expr->literal_index()))); 1572 __ li(a2, Operand(Smi::FromInt(expr->literal_index())));
1573 __ li(a1, Operand(constant_elements)); 1573 __ li(a1, Operand(constant_elements));
1574 if (MustCreateArrayLiteralWithRuntime(expr)) { 1574 if (MustCreateArrayLiteralWithRuntime(expr)) {
1575 __ li(a0, Operand(Smi::FromInt(expr->ComputeFlags()))); 1575 __ li(a0, Operand(Smi::FromInt(expr->ComputeFlags())));
1576 __ Push(a3, a2, a1, a0); 1576 __ Push(a3, a2, a1, a0);
1577 __ CallRuntime(Runtime::kCreateArrayLiteral); 1577 __ CallRuntime(Runtime::kCreateArrayLiteral);
1578 } else { 1578 } else {
1579 FastCloneShallowArrayStub stub(isolate(), allocation_site_mode); 1579 FastCloneShallowArrayStub stub(isolate(), allocation_site_mode);
1580 __ CallStub(&stub); 1580 __ CallStub(&stub);
1581 RestoreContext();
1581 } 1582 }
1582 PrepareForBailoutForId(expr->CreateLiteralId(), BailoutState::TOS_REGISTER); 1583 PrepareForBailoutForId(expr->CreateLiteralId(), BailoutState::TOS_REGISTER);
1583 1584
1584 bool result_saved = false; // Is the result saved to the stack? 1585 bool result_saved = false; // Is the result saved to the stack?
1585 ZoneList<Expression*>* subexprs = expr->values(); 1586 ZoneList<Expression*>* subexprs = expr->values();
1586 int length = subexprs->length(); 1587 int length = subexprs->length();
1587 1588
1588 // Emit code to evaluate all the non-constant subexpressions and to store 1589 // Emit code to evaluate all the non-constant subexpressions and to store
1589 // them into the newly cloned array. 1590 // them into the newly cloned array.
1590 for (int array_index = 0; array_index < length; array_index++) { 1591 for (int array_index = 0; array_index < length; array_index++) {
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3716 reinterpret_cast<uint32_t>( 3717 reinterpret_cast<uint32_t>(
3717 isolate->builtins()->OnStackReplacement()->entry())); 3718 isolate->builtins()->OnStackReplacement()->entry()));
3718 return ON_STACK_REPLACEMENT; 3719 return ON_STACK_REPLACEMENT;
3719 } 3720 }
3720 3721
3721 3722
3722 } // namespace internal 3723 } // namespace internal
3723 } // namespace v8 3724 } // namespace v8
3724 3725
3725 #endif // V8_TARGET_ARCH_MIPS 3726 #endif // V8_TARGET_ARCH_MIPS
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