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Issue 767743002: Hydrogen code stubs for vector-based ICs. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Rebase. Created 6 years 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 #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/codegen.h" 9 #include "src/codegen.h"
10 #include "src/ic/ic.h" 10 #include "src/ic/ic.h"
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582 __ bind(&slow_with_tagged_index); 582 __ bind(&slow_with_tagged_index);
583 PropertyICCompiler::GenerateRuntimeSetProperty(masm, strict_mode); 583 PropertyICCompiler::GenerateRuntimeSetProperty(masm, strict_mode);
584 // Never returns to here. 584 // Never returns to here.
585 585
586 __ bind(&maybe_name_key); 586 __ bind(&maybe_name_key);
587 __ movp(r9, FieldOperand(key, HeapObject::kMapOffset)); 587 __ movp(r9, FieldOperand(key, HeapObject::kMapOffset));
588 __ movzxbp(r9, FieldOperand(r9, Map::kInstanceTypeOffset)); 588 __ movzxbp(r9, FieldOperand(r9, Map::kInstanceTypeOffset));
589 __ JumpIfNotUniqueNameInstanceType(r9, &slow_with_tagged_index); 589 __ JumpIfNotUniqueNameInstanceType(r9, &slow_with_tagged_index);
590 Code::Flags flags = Code::RemoveTypeAndHolderFromFlags( 590 Code::Flags flags = Code::RemoveTypeAndHolderFromFlags(
591 Code::ComputeHandlerFlags(Code::STORE_IC)); 591 Code::ComputeHandlerFlags(Code::STORE_IC));
592 masm->isolate()->stub_cache()->GenerateProbe(masm, flags, false, receiver, 592 masm->isolate()->stub_cache()->GenerateProbe(
593 key, rbx, no_reg); 593 masm, Code::STORE_IC, flags, false, receiver, key, rbx, no_reg);
594 // Cache miss. 594 // Cache miss.
595 __ jmp(&miss); 595 __ jmp(&miss);
596 596
597 // Extra capacity case: Check if there is extra capacity to 597 // Extra capacity case: Check if there is extra capacity to
598 // perform the store and update the length. Used for adding one 598 // perform the store and update the length. Used for adding one
599 // element to the array by writing to array[array.length]. 599 // element to the array by writing to array[array.length].
600 __ bind(&extra); 600 __ bind(&extra);
601 // receiver is a JSArray. 601 // receiver is a JSArray.
602 // rbx: receiver's elements array (a FixedArray) 602 // rbx: receiver's elements array (a FixedArray)
603 // flags: smicompare (receiver.length(), rbx) 603 // flags: smicompare (receiver.length(), rbx)
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851 } 851 }
852 852
853 853
854 void StoreIC::GenerateMegamorphic(MacroAssembler* masm) { 854 void StoreIC::GenerateMegamorphic(MacroAssembler* masm) {
855 // The return address is on the stack. 855 // The return address is on the stack.
856 856
857 // Get the receiver from the stack and probe the stub cache. 857 // Get the receiver from the stack and probe the stub cache.
858 Code::Flags flags = Code::RemoveTypeAndHolderFromFlags( 858 Code::Flags flags = Code::RemoveTypeAndHolderFromFlags(
859 Code::ComputeHandlerFlags(Code::STORE_IC)); 859 Code::ComputeHandlerFlags(Code::STORE_IC));
860 masm->isolate()->stub_cache()->GenerateProbe( 860 masm->isolate()->stub_cache()->GenerateProbe(
861 masm, flags, false, StoreDescriptor::ReceiverRegister(), 861 masm, Code::STORE_IC, flags, false, StoreDescriptor::ReceiverRegister(),
862 StoreDescriptor::NameRegister(), rbx, no_reg); 862 StoreDescriptor::NameRegister(), rbx, no_reg);
863 863
864 // Cache miss: Jump to runtime. 864 // Cache miss: Jump to runtime.
865 GenerateMiss(masm); 865 GenerateMiss(masm);
866 } 866 }
867 867
868 868
869 static void StoreIC_PushArgs(MacroAssembler* masm) { 869 static void StoreIC_PushArgs(MacroAssembler* masm) {
870 Register receiver = StoreDescriptor::ReceiverRegister(); 870 Register receiver = StoreDescriptor::ReceiverRegister();
871 Register name = StoreDescriptor::NameRegister(); 871 Register name = StoreDescriptor::NameRegister();
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990 Condition cc = 990 Condition cc =
991 (check == ENABLE_INLINED_SMI_CHECK) 991 (check == ENABLE_INLINED_SMI_CHECK)
992 ? (*jmp_address == Assembler::kJncShortOpcode ? not_zero : zero) 992 ? (*jmp_address == Assembler::kJncShortOpcode ? not_zero : zero)
993 : (*jmp_address == Assembler::kJnzShortOpcode ? not_carry : carry); 993 : (*jmp_address == Assembler::kJnzShortOpcode ? not_carry : carry);
994 *jmp_address = static_cast<byte>(Assembler::kJccShortPrefix | cc); 994 *jmp_address = static_cast<byte>(Assembler::kJccShortPrefix | cc);
995 } 995 }
996 } 996 }
997 } // namespace v8::internal 997 } // namespace v8::internal
998 998
999 #endif // V8_TARGET_ARCH_X64 999 #endif // V8_TARGET_ARCH_X64
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