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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 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/crankshaft/arm64/lithium-codegen-arm64.h" | 5 #include "src/crankshaft/arm64/lithium-codegen-arm64.h" |
6 | 6 |
7 #include "src/arm64/frames-arm64.h" | 7 #include "src/arm64/frames-arm64.h" |
8 #include "src/arm64/macro-assembler-arm64-inl.h" | 8 #include "src/arm64/macro-assembler-arm64-inl.h" |
9 #include "src/base/bits.h" | 9 #include "src/base/bits.h" |
10 #include "src/builtins/builtins-constructor.h" | 10 #include "src/builtins/builtins-constructor.h" |
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614 bool need_write_barrier = true; | 614 bool need_write_barrier = true; |
615 // Argument to NewContext is the function, which is in x1. | 615 // Argument to NewContext is the function, which is in x1. |
616 int slots = info()->scope()->num_heap_slots() - Context::MIN_CONTEXT_SLOTS; | 616 int slots = info()->scope()->num_heap_slots() - Context::MIN_CONTEXT_SLOTS; |
617 Safepoint::DeoptMode deopt_mode = Safepoint::kNoLazyDeopt; | 617 Safepoint::DeoptMode deopt_mode = Safepoint::kNoLazyDeopt; |
618 if (info()->scope()->is_script_scope()) { | 618 if (info()->scope()->is_script_scope()) { |
619 __ Mov(x10, Operand(info()->scope()->scope_info())); | 619 __ Mov(x10, Operand(info()->scope()->scope_info())); |
620 __ Push(x1, x10); | 620 __ Push(x1, x10); |
621 __ CallRuntime(Runtime::kNewScriptContext); | 621 __ CallRuntime(Runtime::kNewScriptContext); |
622 deopt_mode = Safepoint::kLazyDeopt; | 622 deopt_mode = Safepoint::kLazyDeopt; |
623 } else { | 623 } else { |
624 if (slots <= | 624 if (slots <= ConstructorBuiltins::MaximumFunctionContextSlots()) { |
625 ConstructorBuiltinsAssembler::MaximumFunctionContextSlots()) { | |
626 Callable callable = CodeFactory::FastNewFunctionContext( | 625 Callable callable = CodeFactory::FastNewFunctionContext( |
627 isolate(), info()->scope()->scope_type()); | 626 isolate(), info()->scope()->scope_type()); |
628 __ Mov(FastNewFunctionContextDescriptor::SlotsRegister(), slots); | 627 __ Mov(FastNewFunctionContextDescriptor::SlotsRegister(), slots); |
629 __ Call(callable.code(), RelocInfo::CODE_TARGET); | 628 __ Call(callable.code(), RelocInfo::CODE_TARGET); |
630 // Result of the FastNewFunctionContext builtin is always in new space. | 629 // Result of the FastNewFunctionContext builtin is always in new space. |
631 need_write_barrier = false; | 630 need_write_barrier = false; |
632 } else { | 631 } else { |
633 __ Push(x1); | 632 __ Push(x1); |
634 __ Push(Smi::FromInt(info()->scope()->scope_type())); | 633 __ Push(Smi::FromInt(info()->scope()->scope_type())); |
635 __ CallRuntime(Runtime::kNewFunctionContext); | 634 __ CallRuntime(Runtime::kNewFunctionContext); |
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5537 // Index is equal to negated out of object property index plus 1. | 5536 // Index is equal to negated out of object property index plus 1. |
5538 __ Sub(result, result, Operand::UntagSmiAndScale(index, kPointerSizeLog2)); | 5537 __ Sub(result, result, Operand::UntagSmiAndScale(index, kPointerSizeLog2)); |
5539 __ Ldr(result, FieldMemOperand(result, | 5538 __ Ldr(result, FieldMemOperand(result, |
5540 FixedArray::kHeaderSize - kPointerSize)); | 5539 FixedArray::kHeaderSize - kPointerSize)); |
5541 __ Bind(deferred->exit()); | 5540 __ Bind(deferred->exit()); |
5542 __ Bind(&done); | 5541 __ Bind(&done); |
5543 } | 5542 } |
5544 | 5543 |
5545 } // namespace internal | 5544 } // namespace internal |
5546 } // namespace v8 | 5545 } // namespace v8 |
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