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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_IA32 | 5 #if V8_TARGET_ARCH_IA32 |
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 { |
(...skipping 14 matching lines...) Expand all Loading... |
25 __ push(StoreDescriptor::ValueRegister()); | 25 __ push(StoreDescriptor::ValueRegister()); |
26 __ push(Immediate(Smi::FromInt(language_mode))); | 26 __ push(Immediate(Smi::FromInt(language_mode))); |
27 __ push(ebx); // return address | 27 __ push(ebx); // return address |
28 | 28 |
29 // Do tail-call to runtime routine. | 29 // Do tail-call to runtime routine. |
30 __ TailCallRuntime(Runtime::kSetProperty, 4, 1); | 30 __ TailCallRuntime(Runtime::kSetProperty, 4, 1); |
31 } | 31 } |
32 | 32 |
33 | 33 |
34 #undef __ | 34 #undef __ |
35 #define __ ACCESS_MASM(masm()) | |
36 | |
37 Handle<Code> PropertyICCompiler::CompilePolymorphic(MapHandleList* maps, | |
38 CodeHandleList* handlers, | |
39 Handle<Name> name, | |
40 Code::StubType type, | |
41 IcCheckType check) { | |
42 Label miss; | |
43 | |
44 if (check == PROPERTY && | |
45 (kind() == Code::KEYED_STORE_IC || kind() == Code::KEYED_LOAD_IC)) { | |
46 // In case we are compiling an IC for dictionary loads or stores, just | |
47 // check whether the name is unique. | |
48 if (name.is_identical_to(isolate()->factory()->normal_ic_symbol())) { | |
49 // Keyed loads with dictionaries shouldn't be here, they go generic. | |
50 // The DCHECK is to protect assumptions when --vector-ics is on. | |
51 DCHECK(kind() != Code::KEYED_LOAD_IC); | |
52 Register tmp = scratch1(); | |
53 __ JumpIfSmi(this->name(), &miss); | |
54 __ mov(tmp, FieldOperand(this->name(), HeapObject::kMapOffset)); | |
55 __ movzx_b(tmp, FieldOperand(tmp, Map::kInstanceTypeOffset)); | |
56 __ JumpIfNotUniqueNameInstanceType(tmp, &miss); | |
57 } else { | |
58 __ cmp(this->name(), Immediate(name)); | |
59 __ j(not_equal, &miss); | |
60 } | |
61 } | |
62 | |
63 Label number_case; | |
64 Label* smi_target = IncludesNumberMap(maps) ? &number_case : &miss; | |
65 __ JumpIfSmi(receiver(), smi_target); | |
66 | |
67 // Polymorphic keyed stores may use the map register | |
68 Register map_reg = scratch1(); | |
69 DCHECK(kind() != Code::KEYED_STORE_IC || | |
70 map_reg.is(StoreTransitionDescriptor::MapRegister())); | |
71 __ mov(map_reg, FieldOperand(receiver(), HeapObject::kMapOffset)); | |
72 int receiver_count = maps->length(); | |
73 int number_of_handled_maps = 0; | |
74 for (int current = 0; current < receiver_count; ++current) { | |
75 Handle<Map> map = maps->at(current); | |
76 if (!map->is_deprecated()) { | |
77 number_of_handled_maps++; | |
78 Handle<WeakCell> cell = Map::WeakCellForMap(map); | |
79 __ CmpWeakValue(map_reg, cell, scratch2()); | |
80 if (map->instance_type() == HEAP_NUMBER_TYPE) { | |
81 DCHECK(!number_case.is_unused()); | |
82 __ bind(&number_case); | |
83 } | |
84 __ j(equal, handlers->at(current)); | |
85 } | |
86 } | |
87 DCHECK(number_of_handled_maps != 0); | |
88 | |
89 __ bind(&miss); | |
90 TailCallBuiltin(masm(), MissBuiltin(kind())); | |
91 | |
92 // Return the generated code. | |
93 InlineCacheState state = | |
94 number_of_handled_maps > 1 ? POLYMORPHIC : MONOMORPHIC; | |
95 return GetCode(kind(), type, name, state); | |
96 } | |
97 | |
98 | |
99 Handle<Code> PropertyICCompiler::CompileKeyedStorePolymorphic( | |
100 MapHandleList* receiver_maps, CodeHandleList* handler_stubs, | |
101 MapHandleList* transitioned_maps) { | |
102 Label miss; | |
103 __ JumpIfSmi(receiver(), &miss); | |
104 Register map_reg = scratch1(); | |
105 __ mov(map_reg, FieldOperand(receiver(), HeapObject::kMapOffset)); | |
106 for (int i = 0; i < receiver_maps->length(); ++i) { | |
107 Handle<WeakCell> cell = Map::WeakCellForMap(receiver_maps->at(i)); | |
108 __ CmpWeakValue(map_reg, cell, scratch2()); | |
109 if (transitioned_maps->at(i).is_null()) { | |
110 __ j(equal, handler_stubs->at(i)); | |
111 } else { | |
112 Label next_map; | |
113 __ j(not_equal, &next_map, Label::kNear); | |
114 Handle<WeakCell> cell = Map::WeakCellForMap(transitioned_maps->at(i)); | |
115 Register transition_map = scratch1(); | |
116 DCHECK(!FLAG_vector_stores && | |
117 transition_map.is(StoreTransitionDescriptor::MapRegister())); | |
118 __ LoadWeakValue(transition_map, cell, &miss); | |
119 __ jmp(handler_stubs->at(i), RelocInfo::CODE_TARGET); | |
120 __ bind(&next_map); | |
121 } | |
122 } | |
123 __ bind(&miss); | |
124 TailCallBuiltin(masm(), MissBuiltin(kind())); | |
125 | |
126 // Return the generated code. | |
127 return GetCode(kind(), Code::NORMAL, factory()->empty_string(), POLYMORPHIC); | |
128 } | |
129 | |
130 | |
131 #undef __ | |
132 } // namespace internal | 35 } // namespace internal |
133 } // namespace v8 | 36 } // namespace v8 |
134 | 37 |
135 #endif // V8_TARGET_ARCH_IA32 | 38 #endif // V8_TARGET_ARCH_IA32 |
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