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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_IA32 | 7 #if V8_TARGET_ARCH_IA32 |
| 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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| 29 __ push(ebx); // return address | 29 __ push(ebx); // return address |
| 30 | 30 |
| 31 // Do tail-call to runtime routine. | 31 // Do tail-call to runtime routine. |
| 32 __ TailCallRuntime(Runtime::kSetProperty, 4, 1); | 32 __ TailCallRuntime(Runtime::kSetProperty, 4, 1); |
| 33 } | 33 } |
| 34 | 34 |
| 35 | 35 |
| 36 #undef __ | 36 #undef __ |
| 37 #define __ ACCESS_MASM(masm()) | 37 #define __ ACCESS_MASM(masm()) |
| 38 | 38 |
| 39 Handle<Code> PropertyICCompiler::CompilePolymorphic(TypeHandleList* types, | 39 Handle<Code> PropertyICCompiler::CompilePolymorphic(MapHandleList* maps, |
| 40 CodeHandleList* handlers, | 40 CodeHandleList* handlers, |
| 41 Handle<Name> name, | 41 Handle<Name> name, |
| 42 Code::StubType type, | 42 Code::StubType type, |
| 43 IcCheckType check) { | 43 IcCheckType check) { |
| 44 Label miss; | 44 Label miss; |
| 45 | 45 |
| 46 if (check == PROPERTY && | 46 if (check == PROPERTY && |
| 47 (kind() == Code::KEYED_STORE_IC || kind() == Code::KEYED_LOAD_IC)) { | 47 (kind() == Code::KEYED_STORE_IC || kind() == Code::KEYED_LOAD_IC)) { |
| 48 // In case we are compiling an IC for dictionary loads or stores, just | 48 // In case we are compiling an IC for dictionary loads or stores, just |
| 49 // check whether the name is unique. | 49 // check whether the name is unique. |
| 50 if (name.is_identical_to(isolate()->factory()->normal_ic_symbol())) { | 50 if (name.is_identical_to(isolate()->factory()->normal_ic_symbol())) { |
| 51 // Keyed loads with dictionaries shouldn't be here, they go generic. | 51 // Keyed loads with dictionaries shouldn't be here, they go generic. |
| 52 // The DCHECK is to protect assumptions when --vector-ics is on. | 52 // The DCHECK is to protect assumptions when --vector-ics is on. |
| 53 DCHECK(kind() != Code::KEYED_LOAD_IC); | 53 DCHECK(kind() != Code::KEYED_LOAD_IC); |
| 54 Register tmp = scratch1(); | 54 Register tmp = scratch1(); |
| 55 __ JumpIfSmi(this->name(), &miss); | 55 __ JumpIfSmi(this->name(), &miss); |
| 56 __ mov(tmp, FieldOperand(this->name(), HeapObject::kMapOffset)); | 56 __ mov(tmp, FieldOperand(this->name(), HeapObject::kMapOffset)); |
| 57 __ movzx_b(tmp, FieldOperand(tmp, Map::kInstanceTypeOffset)); | 57 __ movzx_b(tmp, FieldOperand(tmp, Map::kInstanceTypeOffset)); |
| 58 __ JumpIfNotUniqueNameInstanceType(tmp, &miss); | 58 __ JumpIfNotUniqueNameInstanceType(tmp, &miss); |
| 59 } else { | 59 } else { |
| 60 __ cmp(this->name(), Immediate(name)); | 60 __ cmp(this->name(), Immediate(name)); |
| 61 __ j(not_equal, &miss); | 61 __ j(not_equal, &miss); |
| 62 } | 62 } |
| 63 } | 63 } |
| 64 | 64 |
| 65 Label number_case; | 65 Label number_case; |
| 66 Label* smi_target = IncludesNumberType(types) ? &number_case : &miss; | 66 Label* smi_target = IncludesNumberMap(maps) ? &number_case : &miss; |
| 67 __ JumpIfSmi(receiver(), smi_target); | 67 __ JumpIfSmi(receiver(), smi_target); |
| 68 | 68 |
| 69 // Polymorphic keyed stores may use the map register | 69 // Polymorphic keyed stores may use the map register |
| 70 Register map_reg = scratch1(); | 70 Register map_reg = scratch1(); |
| 71 DCHECK(kind() != Code::KEYED_STORE_IC || | 71 DCHECK(kind() != Code::KEYED_STORE_IC || |
| 72 map_reg.is(ElementTransitionAndStoreDescriptor::MapRegister())); | 72 map_reg.is(ElementTransitionAndStoreDescriptor::MapRegister())); |
| 73 __ mov(map_reg, FieldOperand(receiver(), HeapObject::kMapOffset)); | 73 __ mov(map_reg, FieldOperand(receiver(), HeapObject::kMapOffset)); |
| 74 int receiver_count = types->length(); | 74 int receiver_count = maps->length(); |
| 75 int number_of_handled_maps = 0; | 75 int number_of_handled_maps = 0; |
| 76 for (int current = 0; current < receiver_count; ++current) { | 76 for (int current = 0; current < receiver_count; ++current) { |
| 77 Handle<HeapType> type = types->at(current); | 77 Handle<Map> map = maps->at(current); |
| 78 Handle<Map> map = IC::TypeToMap(*type, isolate()); | |
| 79 if (!map->is_deprecated()) { | 78 if (!map->is_deprecated()) { |
| 80 number_of_handled_maps++; | 79 number_of_handled_maps++; |
| 81 Handle<WeakCell> cell = Map::WeakCellForMap(map); | 80 Handle<WeakCell> cell = Map::WeakCellForMap(map); |
| 82 __ CmpWeakValue(map_reg, cell, scratch2()); | 81 __ CmpWeakValue(map_reg, cell, scratch2()); |
| 83 if (type->Is(HeapType::Number())) { | 82 if (map->instance_type() == HEAP_NUMBER_TYPE) { |
| 84 DCHECK(!number_case.is_unused()); | 83 DCHECK(!number_case.is_unused()); |
| 85 __ bind(&number_case); | 84 __ bind(&number_case); |
| 86 } | 85 } |
| 87 __ j(equal, handlers->at(current)); | 86 __ j(equal, handlers->at(current)); |
| 88 } | 87 } |
| 89 } | 88 } |
| 90 DCHECK(number_of_handled_maps != 0); | 89 DCHECK(number_of_handled_maps != 0); |
| 91 | 90 |
| 92 __ bind(&miss); | 91 __ bind(&miss); |
| 93 TailCallBuiltin(masm(), MissBuiltin(kind())); | 92 TailCallBuiltin(masm(), MissBuiltin(kind())); |
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| 126 // Return the generated code. | 125 // Return the generated code. |
| 127 return GetCode(kind(), Code::NORMAL, factory()->empty_string(), POLYMORPHIC); | 126 return GetCode(kind(), Code::NORMAL, factory()->empty_string(), POLYMORPHIC); |
| 128 } | 127 } |
| 129 | 128 |
| 130 | 129 |
| 131 #undef __ | 130 #undef __ |
| 132 } | 131 } |
| 133 } // namespace v8::internal | 132 } // namespace v8::internal |
| 134 | 133 |
| 135 #endif // V8_TARGET_ARCH_IA32 | 134 #endif // V8_TARGET_ARCH_IA32 |
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