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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 #include "src/v8.h" | 5 #include "src/v8.h" |
6 | 6 |
7 #if V8_TARGET_ARCH_ARM64 | 7 #if V8_TARGET_ARCH_ARM64 |
8 | 8 |
9 #include "src/ic/ic.h" | 9 #include "src/ic/ic.h" |
10 #include "src/ic/ic-compiler.h" | 10 #include "src/ic/ic-compiler.h" |
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64 DCHECK(kind() != Code::KEYED_STORE_IC || | 64 DCHECK(kind() != Code::KEYED_STORE_IC || |
65 map_reg.is(ElementTransitionAndStoreDescriptor::MapRegister())); | 65 map_reg.is(ElementTransitionAndStoreDescriptor::MapRegister())); |
66 __ Ldr(map_reg, FieldMemOperand(receiver(), HeapObject::kMapOffset)); | 66 __ Ldr(map_reg, FieldMemOperand(receiver(), HeapObject::kMapOffset)); |
67 int receiver_count = types->length(); | 67 int receiver_count = types->length(); |
68 int number_of_handled_maps = 0; | 68 int number_of_handled_maps = 0; |
69 for (int current = 0; current < receiver_count; ++current) { | 69 for (int current = 0; current < receiver_count; ++current) { |
70 Handle<HeapType> type = types->at(current); | 70 Handle<HeapType> type = types->at(current); |
71 Handle<Map> map = IC::TypeToMap(*type, isolate()); | 71 Handle<Map> map = IC::TypeToMap(*type, isolate()); |
72 if (!map->is_deprecated()) { | 72 if (!map->is_deprecated()) { |
73 number_of_handled_maps++; | 73 number_of_handled_maps++; |
74 Handle<WeakCell> cell = Map::WeakCellForMap(map); | |
75 __ CmpWeakValue(map_reg, cell, scratch2()); | |
76 Label try_next; | 74 Label try_next; |
| 75 __ Cmp(map_reg, Operand(map)); |
77 __ B(ne, &try_next); | 76 __ B(ne, &try_next); |
78 if (type->Is(HeapType::Number())) { | 77 if (type->Is(HeapType::Number())) { |
79 DCHECK(!number_case.is_unused()); | 78 DCHECK(!number_case.is_unused()); |
80 __ Bind(&number_case); | 79 __ Bind(&number_case); |
81 } | 80 } |
82 __ Jump(handlers->at(current), RelocInfo::CODE_TARGET); | 81 __ Jump(handlers->at(current), RelocInfo::CODE_TARGET); |
83 __ Bind(&try_next); | 82 __ Bind(&try_next); |
84 } | 83 } |
85 } | 84 } |
86 DCHECK(number_of_handled_maps != 0); | 85 DCHECK(number_of_handled_maps != 0); |
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98 Handle<Code> PropertyICCompiler::CompileKeyedStorePolymorphic( | 97 Handle<Code> PropertyICCompiler::CompileKeyedStorePolymorphic( |
99 MapHandleList* receiver_maps, CodeHandleList* handler_stubs, | 98 MapHandleList* receiver_maps, CodeHandleList* handler_stubs, |
100 MapHandleList* transitioned_maps) { | 99 MapHandleList* transitioned_maps) { |
101 Label miss; | 100 Label miss; |
102 | 101 |
103 ASM_LOCATION("PropertyICCompiler::CompileStorePolymorphic"); | 102 ASM_LOCATION("PropertyICCompiler::CompileStorePolymorphic"); |
104 | 103 |
105 __ JumpIfSmi(receiver(), &miss); | 104 __ JumpIfSmi(receiver(), &miss); |
106 | 105 |
107 int receiver_count = receiver_maps->length(); | 106 int receiver_count = receiver_maps->length(); |
108 Register map_reg = scratch1(); | 107 __ Ldr(scratch1(), FieldMemOperand(receiver(), HeapObject::kMapOffset)); |
109 __ Ldr(map_reg, FieldMemOperand(receiver(), HeapObject::kMapOffset)); | |
110 for (int i = 0; i < receiver_count; i++) { | 108 for (int i = 0; i < receiver_count; i++) { |
111 Handle<WeakCell> cell = Map::WeakCellForMap(receiver_maps->at(i)); | 109 __ Cmp(scratch1(), Operand(receiver_maps->at(i))); |
112 __ CmpWeakValue(map_reg, cell, scratch2()); | 110 |
113 Label skip; | 111 Label skip; |
114 __ B(&skip, ne); | 112 __ B(&skip, ne); |
115 if (!transitioned_maps->at(i).is_null()) { | 113 if (!transitioned_maps->at(i).is_null()) { |
116 // This argument is used by the handler stub. For example, see | 114 // This argument is used by the handler stub. For example, see |
117 // ElementsTransitionGenerator::GenerateMapChangeElementsTransition. | 115 // ElementsTransitionGenerator::GenerateMapChangeElementsTransition. |
118 Handle<WeakCell> cell = Map::WeakCellForMap(transitioned_maps->at(i)); | 116 __ Mov(transition_map(), Operand(transitioned_maps->at(i))); |
119 __ LoadWeakValue(transition_map(), cell, &miss); | |
120 } | 117 } |
121 __ Jump(handler_stubs->at(i), RelocInfo::CODE_TARGET); | 118 __ Jump(handler_stubs->at(i), RelocInfo::CODE_TARGET); |
122 __ Bind(&skip); | 119 __ Bind(&skip); |
123 } | 120 } |
124 | 121 |
125 __ Bind(&miss); | 122 __ Bind(&miss); |
126 TailCallBuiltin(masm(), MissBuiltin(kind())); | 123 TailCallBuiltin(masm(), MissBuiltin(kind())); |
127 | 124 |
128 return GetCode(kind(), Code::NORMAL, factory()->empty_string(), POLYMORPHIC); | 125 return GetCode(kind(), Code::NORMAL, factory()->empty_string(), POLYMORPHIC); |
129 } | 126 } |
130 | 127 |
131 | 128 |
132 #undef __ | 129 #undef __ |
133 } | 130 } |
134 } // namespace v8::internal | 131 } // namespace v8::internal |
135 | 132 |
136 #endif // V8_TARGET_ARCH_ARM64 | 133 #endif // V8_TARGET_ARCH_ARM64 |
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