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Side by Side Diff: src/full-codegen/mips64/full-codegen-mips64.cc

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_MIPS64 5 #if V8_TARGET_ARCH_MIPS64
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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1572 __ ld(a3, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset)); 1572 __ ld(a3, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset));
1573 __ li(a2, Operand(Smi::FromInt(expr->literal_index()))); 1573 __ li(a2, Operand(Smi::FromInt(expr->literal_index())));
1574 __ li(a1, Operand(constant_elements)); 1574 __ li(a1, Operand(constant_elements));
1575 if (MustCreateArrayLiteralWithRuntime(expr)) { 1575 if (MustCreateArrayLiteralWithRuntime(expr)) {
1576 __ li(a0, Operand(Smi::FromInt(expr->ComputeFlags()))); 1576 __ li(a0, Operand(Smi::FromInt(expr->ComputeFlags())));
1577 __ Push(a3, a2, a1, a0); 1577 __ Push(a3, a2, a1, a0);
1578 __ CallRuntime(Runtime::kCreateArrayLiteral); 1578 __ CallRuntime(Runtime::kCreateArrayLiteral);
1579 } else { 1579 } else {
1580 FastCloneShallowArrayStub stub(isolate(), allocation_site_mode); 1580 FastCloneShallowArrayStub stub(isolate(), allocation_site_mode);
1581 __ CallStub(&stub); 1581 __ CallStub(&stub);
1582 RestoreContext();
1582 } 1583 }
1583 PrepareForBailoutForId(expr->CreateLiteralId(), BailoutState::TOS_REGISTER); 1584 PrepareForBailoutForId(expr->CreateLiteralId(), BailoutState::TOS_REGISTER);
1584 1585
1585 bool result_saved = false; // Is the result saved to the stack? 1586 bool result_saved = false; // Is the result saved to the stack?
1586 ZoneList<Expression*>* subexprs = expr->values(); 1587 ZoneList<Expression*>* subexprs = expr->values();
1587 int length = subexprs->length(); 1588 int length = subexprs->length();
1588 1589
1589 // Emit code to evaluate all the non-constant subexpressions and to store 1590 // Emit code to evaluate all the non-constant subexpressions and to store
1590 // them into the newly cloned array. 1591 // them into the newly cloned array.
1591 for (int array_index = 0; array_index < length; array_index++) { 1592 for (int array_index = 0; array_index < length; array_index++) {
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3723 reinterpret_cast<uint64_t>( 3724 reinterpret_cast<uint64_t>(
3724 isolate->builtins()->OnStackReplacement()->entry())); 3725 isolate->builtins()->OnStackReplacement()->entry()));
3725 return ON_STACK_REPLACEMENT; 3726 return ON_STACK_REPLACEMENT;
3726 } 3727 }
3727 3728
3728 3729
3729 } // namespace internal 3730 } // namespace internal
3730 } // namespace v8 3731 } // namespace v8
3731 3732
3732 #endif // V8_TARGET_ARCH_MIPS64 3733 #endif // V8_TARGET_ARCH_MIPS64
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