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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/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/bootstrapper.h" | 9 #include "src/bootstrapper.h" |
10 #include "src/code-stubs.h" | 10 #include "src/code-stubs.h" |
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4368 | 4368 |
4369 void LoadICTrampolineStub::Generate(MacroAssembler* masm) { | 4369 void LoadICTrampolineStub::Generate(MacroAssembler* masm) { |
4370 EmitLoadTypeFeedbackVector(masm, LoadWithVectorDescriptor::VectorRegister()); | 4370 EmitLoadTypeFeedbackVector(masm, LoadWithVectorDescriptor::VectorRegister()); |
4371 LoadICStub stub(isolate(), state()); | 4371 LoadICStub stub(isolate(), state()); |
4372 stub.GenerateForTrampoline(masm); | 4372 stub.GenerateForTrampoline(masm); |
4373 } | 4373 } |
4374 | 4374 |
4375 | 4375 |
4376 void KeyedLoadICTrampolineStub::Generate(MacroAssembler* masm) { | 4376 void KeyedLoadICTrampolineStub::Generate(MacroAssembler* masm) { |
4377 EmitLoadTypeFeedbackVector(masm, LoadWithVectorDescriptor::VectorRegister()); | 4377 EmitLoadTypeFeedbackVector(masm, LoadWithVectorDescriptor::VectorRegister()); |
4378 KeyedLoadICStub stub(isolate(), state()); | 4378 KeyedLoadICStub stub(isolate()); |
4379 stub.GenerateForTrampoline(masm); | 4379 stub.GenerateForTrampoline(masm); |
4380 } | 4380 } |
4381 | 4381 |
4382 | 4382 |
4383 static void HandleArrayCases(MacroAssembler* masm, Register receiver, | 4383 static void HandleArrayCases(MacroAssembler* masm, Register receiver, |
4384 Register key, Register vector, Register slot, | 4384 Register key, Register vector, Register slot, |
4385 Register feedback, Register receiver_map, | 4385 Register feedback, Register receiver_map, |
4386 Register scratch1, Register scratch2, | 4386 Register scratch1, Register scratch2, |
4387 Register scratch3, bool is_polymorphic, | 4387 Register scratch3, bool is_polymorphic, |
4388 Label* miss) { | 4388 Label* miss) { |
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4547 Label polymorphic, try_poly_name; | 4547 Label polymorphic, try_poly_name; |
4548 __ bind(&polymorphic); | 4548 __ bind(&polymorphic); |
4549 HandleArrayCases(masm, receiver, key, vector, slot, feedback, receiver_map, | 4549 HandleArrayCases(masm, receiver, key, vector, slot, feedback, receiver_map, |
4550 integer_slot, r11, r15, true, &miss); | 4550 integer_slot, r11, r15, true, &miss); |
4551 | 4551 |
4552 __ bind(¬_array); | 4552 __ bind(¬_array); |
4553 // Is it generic? | 4553 // Is it generic? |
4554 __ CompareRoot(feedback, Heap::kmegamorphic_symbolRootIndex); | 4554 __ CompareRoot(feedback, Heap::kmegamorphic_symbolRootIndex); |
4555 __ j(not_equal, &try_poly_name); | 4555 __ j(not_equal, &try_poly_name); |
4556 Handle<Code> megamorphic_stub = | 4556 Handle<Code> megamorphic_stub = |
4557 KeyedLoadIC::ChooseMegamorphicStub(masm->isolate(), GetExtraICState()); | 4557 KeyedLoadIC::ChooseMegamorphicStub(masm->isolate()); |
4558 __ jmp(megamorphic_stub, RelocInfo::CODE_TARGET); | 4558 __ jmp(megamorphic_stub, RelocInfo::CODE_TARGET); |
4559 | 4559 |
4560 __ bind(&try_poly_name); | 4560 __ bind(&try_poly_name); |
4561 // We might have a name in feedback, and a fixed array in the next slot. | 4561 // We might have a name in feedback, and a fixed array in the next slot. |
4562 __ cmpp(key, feedback); | 4562 __ cmpp(key, feedback); |
4563 __ j(not_equal, &miss); | 4563 __ j(not_equal, &miss); |
4564 // If the name comparison succeeded, we know we have a fixed array with | 4564 // If the name comparison succeeded, we know we have a fixed array with |
4565 // at least one map/handler pair. | 4565 // at least one map/handler pair. |
4566 __ movp(feedback, FieldOperand(vector, integer_slot, times_pointer_size, | 4566 __ movp(feedback, FieldOperand(vector, integer_slot, times_pointer_size, |
4567 FixedArray::kHeaderSize + kPointerSize)); | 4567 FixedArray::kHeaderSize + kPointerSize)); |
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5426 kStackSpace, nullptr, return_value_operand, NULL); | 5426 kStackSpace, nullptr, return_value_operand, NULL); |
5427 } | 5427 } |
5428 | 5428 |
5429 | 5429 |
5430 #undef __ | 5430 #undef __ |
5431 | 5431 |
5432 } // namespace internal | 5432 } // namespace internal |
5433 } // namespace v8 | 5433 } // namespace v8 |
5434 | 5434 |
5435 #endif // V8_TARGET_ARCH_X64 | 5435 #endif // V8_TARGET_ARCH_X64 |
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