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| 1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 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_ARM64 | 5 #if V8_TARGET_ARCH_ARM64 |
| 6 | 6 |
| 7 #include "src/ic/ic.h" | 7 #include "src/ic/ic.h" |
| 8 #include "src/ic/ic-compiler.h" | 8 #include "src/ic/ic-compiler.h" |
| 9 | 9 |
| 10 namespace v8 { | 10 namespace v8 { |
| 11 namespace internal { | 11 namespace internal { |
| 12 | 12 |
| 13 #define __ ACCESS_MASM(masm) | 13 #define __ ACCESS_MASM(masm) |
| 14 | 14 |
| 15 void PropertyICCompiler::GenerateRuntimeSetProperty( | 15 void PropertyICCompiler::GenerateRuntimeSetProperty( |
| 16 MacroAssembler* masm, LanguageMode language_mode) { | 16 MacroAssembler* masm, LanguageMode language_mode) { |
| 17 ASM_LOCATION("PropertyICCompiler::GenerateRuntimeSetProperty"); | 17 ASM_LOCATION("PropertyICCompiler::GenerateRuntimeSetProperty"); |
| 18 | 18 |
| 19 __ Push(StoreDescriptor::ReceiverRegister(), StoreDescriptor::NameRegister(), | 19 __ Push(StoreDescriptor::ReceiverRegister(), StoreDescriptor::NameRegister(), |
| 20 StoreDescriptor::ValueRegister()); | 20 StoreDescriptor::ValueRegister()); |
| 21 | 21 |
| 22 __ Mov(x10, Smi::FromInt(language_mode)); | 22 __ Mov(x10, Smi::FromInt(language_mode)); |
| 23 __ Push(x10); | 23 __ Push(x10); |
| 24 | 24 |
| 25 // Do tail-call to runtime routine. | 25 // Do tail-call to runtime routine. |
| 26 __ TailCallRuntime(Runtime::kSetProperty, 4, 1); | 26 __ TailCallRuntime(Runtime::kSetProperty, 4, 1); |
| 27 } | 27 } |
| 28 | 28 |
| 29 | |
| 30 #undef __ | |
| 31 #define __ ACCESS_MASM(masm()) | |
| 32 | |
| 33 | |
| 34 Handle<Code> PropertyICCompiler::CompilePolymorphic(MapHandleList* maps, | |
| 35 CodeHandleList* handlers, | |
| 36 Handle<Name> name, | |
| 37 Code::StubType type, | |
| 38 IcCheckType check) { | |
| 39 Label miss; | |
| 40 | |
| 41 if (check == PROPERTY && | |
| 42 (kind() == Code::KEYED_LOAD_IC || kind() == Code::KEYED_STORE_IC)) { | |
| 43 // In case we are compiling an IC for dictionary loads or stores, just | |
| 44 // check whether the name is unique. | |
| 45 if (name.is_identical_to(isolate()->factory()->normal_ic_symbol())) { | |
| 46 // Keyed loads with dictionaries shouldn't be here, they go generic. | |
| 47 // The DCHECK is to protect assumptions when --vector-ics is on. | |
| 48 DCHECK(kind() != Code::KEYED_LOAD_IC); | |
| 49 Register tmp = scratch1(); | |
| 50 __ JumpIfSmi(this->name(), &miss); | |
| 51 __ Ldr(tmp, FieldMemOperand(this->name(), HeapObject::kMapOffset)); | |
| 52 __ Ldrb(tmp, FieldMemOperand(tmp, Map::kInstanceTypeOffset)); | |
| 53 __ JumpIfNotUniqueNameInstanceType(tmp, &miss); | |
| 54 } else { | |
| 55 __ CompareAndBranch(this->name(), Operand(name), ne, &miss); | |
| 56 } | |
| 57 } | |
| 58 | |
| 59 Label number_case; | |
| 60 Label* smi_target = IncludesNumberMap(maps) ? &number_case : &miss; | |
| 61 __ JumpIfSmi(receiver(), smi_target); | |
| 62 | |
| 63 // Polymorphic keyed stores may use the map register | |
| 64 Register map_reg = scratch1(); | |
| 65 DCHECK(kind() != Code::KEYED_STORE_IC || | |
| 66 map_reg.is(StoreTransitionDescriptor::MapRegister())); | |
| 67 __ Ldr(map_reg, FieldMemOperand(receiver(), HeapObject::kMapOffset)); | |
| 68 int receiver_count = maps->length(); | |
| 69 int number_of_handled_maps = 0; | |
| 70 for (int current = 0; current < receiver_count; ++current) { | |
| 71 Handle<Map> map = maps->at(current); | |
| 72 if (!map->is_deprecated()) { | |
| 73 number_of_handled_maps++; | |
| 74 Handle<WeakCell> cell = Map::WeakCellForMap(map); | |
| 75 __ CmpWeakValue(map_reg, cell, scratch2()); | |
| 76 Label try_next; | |
| 77 __ B(ne, &try_next); | |
| 78 if (map->instance_type() == HEAP_NUMBER_TYPE) { | |
| 79 DCHECK(!number_case.is_unused()); | |
| 80 __ Bind(&number_case); | |
| 81 } | |
| 82 __ Jump(handlers->at(current), RelocInfo::CODE_TARGET); | |
| 83 __ Bind(&try_next); | |
| 84 } | |
| 85 } | |
| 86 DCHECK(number_of_handled_maps != 0); | |
| 87 | |
| 88 __ Bind(&miss); | |
| 89 TailCallBuiltin(masm(), MissBuiltin(kind())); | |
| 90 | |
| 91 // Return the generated code. | |
| 92 InlineCacheState state = | |
| 93 (number_of_handled_maps > 1) ? POLYMORPHIC : MONOMORPHIC; | |
| 94 return GetCode(kind(), type, name, state); | |
| 95 } | |
| 96 | |
| 97 | |
| 98 Handle<Code> PropertyICCompiler::CompileKeyedStorePolymorphic( | |
| 99 MapHandleList* receiver_maps, CodeHandleList* handler_stubs, | |
| 100 MapHandleList* transitioned_maps) { | |
| 101 Label miss; | |
| 102 | |
| 103 ASM_LOCATION("PropertyICCompiler::CompileStorePolymorphic"); | |
| 104 | |
| 105 __ JumpIfSmi(receiver(), &miss); | |
| 106 | |
| 107 int receiver_count = receiver_maps->length(); | |
| 108 Register map_reg = scratch1(); | |
| 109 __ Ldr(map_reg, FieldMemOperand(receiver(), HeapObject::kMapOffset)); | |
| 110 for (int i = 0; i < receiver_count; i++) { | |
| 111 Handle<WeakCell> cell = Map::WeakCellForMap(receiver_maps->at(i)); | |
| 112 __ CmpWeakValue(map_reg, cell, scratch2()); | |
| 113 Label skip; | |
| 114 __ B(&skip, ne); | |
| 115 if (!transitioned_maps->at(i).is_null()) { | |
| 116 // This argument is used by the handler stub. For example, see | |
| 117 // ElementsTransitionGenerator::GenerateMapChangeElementsTransition. | |
| 118 Handle<WeakCell> cell = Map::WeakCellForMap(transitioned_maps->at(i)); | |
| 119 Register transition_map = scratch1(); | |
| 120 DCHECK(!FLAG_vector_stores && | |
| 121 transition_map.is(StoreTransitionDescriptor::MapRegister())); | |
| 122 __ LoadWeakValue(transition_map, cell, &miss); | |
| 123 } | |
| 124 __ Jump(handler_stubs->at(i), RelocInfo::CODE_TARGET); | |
| 125 __ Bind(&skip); | |
| 126 } | |
| 127 | |
| 128 __ Bind(&miss); | |
| 129 TailCallBuiltin(masm(), MissBuiltin(kind())); | |
| 130 | |
| 131 return GetCode(kind(), Code::NORMAL, factory()->empty_string(), POLYMORPHIC); | |
| 132 } | |
| 133 | |
| 134 | |
| 135 #undef __ | 29 #undef __ |
| 136 } // namespace internal | 30 } // namespace internal |
| 137 } // namespace v8 | 31 } // namespace v8 |
| 138 | 32 |
| 139 #endif // V8_TARGET_ARCH_ARM64 | 33 #endif // V8_TARGET_ARCH_ARM64 |
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