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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_PPC | 5 #if V8_TARGET_ARCH_PPC |
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 | 15 |
16 void PropertyICCompiler::GenerateRuntimeSetProperty( | 16 void PropertyICCompiler::GenerateRuntimeSetProperty( |
17 MacroAssembler* masm, LanguageMode language_mode) { | 17 MacroAssembler* masm, LanguageMode language_mode) { |
18 __ mov(r0, Operand(Smi::FromInt(language_mode))); | 18 __ mov(r0, Operand(Smi::FromInt(language_mode))); |
19 __ Push(StoreDescriptor::ReceiverRegister(), StoreDescriptor::NameRegister(), | 19 __ Push(StoreDescriptor::ReceiverRegister(), StoreDescriptor::NameRegister(), |
20 StoreDescriptor::ValueRegister(), r0); | 20 StoreDescriptor::ValueRegister(), r0); |
21 | 21 |
22 // Do tail-call to runtime routine. | 22 // Do tail-call to runtime routine. |
23 __ TailCallRuntime(Runtime::kSetProperty, 4, 1); | 23 __ TailCallRuntime(Runtime::kSetProperty, 4, 1); |
24 } | 24 } |
25 | 25 |
26 | 26 |
27 #undef __ | 27 #undef __ |
28 #define __ ACCESS_MASM(masm()) | |
29 | |
30 | |
31 Handle<Code> PropertyICCompiler::CompilePolymorphic(MapHandleList* maps, | |
32 CodeHandleList* handlers, | |
33 Handle<Name> name, | |
34 Code::StubType type, | |
35 IcCheckType check) { | |
36 Label miss; | |
37 | |
38 if (check == PROPERTY && | |
39 (kind() == Code::KEYED_LOAD_IC || kind() == Code::KEYED_STORE_IC)) { | |
40 // In case we are compiling an IC for dictionary loads or stores, just | |
41 // check whether the name is unique. | |
42 if (name.is_identical_to(isolate()->factory()->normal_ic_symbol())) { | |
43 // Keyed loads with dictionaries shouldn't be here, they go generic. | |
44 // The DCHECK is to protect assumptions when --vector-ics is on. | |
45 DCHECK(kind() != Code::KEYED_LOAD_IC); | |
46 Register tmp = scratch1(); | |
47 __ JumpIfSmi(this->name(), &miss); | |
48 __ LoadP(tmp, FieldMemOperand(this->name(), HeapObject::kMapOffset)); | |
49 __ lbz(tmp, FieldMemOperand(tmp, Map::kInstanceTypeOffset)); | |
50 __ JumpIfNotUniqueNameInstanceType(tmp, &miss); | |
51 } else { | |
52 __ Cmpi(this->name(), Operand(name), r0); | |
53 __ bne(&miss); | |
54 } | |
55 } | |
56 | |
57 Label number_case; | |
58 Label* smi_target = IncludesNumberMap(maps) ? &number_case : &miss; | |
59 __ JumpIfSmi(receiver(), smi_target); | |
60 | |
61 // Polymorphic keyed stores may use the map register | |
62 Register map_reg = scratch1(); | |
63 DCHECK(kind() != Code::KEYED_STORE_IC || | |
64 map_reg.is(StoreTransitionDescriptor::MapRegister())); | |
65 | |
66 int receiver_count = maps->length(); | |
67 int number_of_handled_maps = 0; | |
68 __ LoadP(map_reg, FieldMemOperand(receiver(), HeapObject::kMapOffset)); | |
69 for (int current = 0; current < receiver_count; ++current) { | |
70 Handle<Map> map = maps->at(current); | |
71 if (!map->is_deprecated()) { | |
72 number_of_handled_maps++; | |
73 Handle<WeakCell> cell = Map::WeakCellForMap(map); | |
74 __ CmpWeakValue(map_reg, cell, scratch2()); | |
75 Label next; | |
76 __ bne(&next); | |
77 if (map->instance_type() == HEAP_NUMBER_TYPE) { | |
78 DCHECK(!number_case.is_unused()); | |
79 __ bind(&number_case); | |
80 } | |
81 __ Jump(handlers->at(current), RelocInfo::CODE_TARGET); | |
82 __ bind(&next); | |
83 } | |
84 } | |
85 DCHECK(number_of_handled_maps != 0); | |
86 | |
87 __ bind(&miss); | |
88 TailCallBuiltin(masm(), MissBuiltin(kind())); | |
89 | |
90 // Return the generated code. | |
91 InlineCacheState state = | |
92 number_of_handled_maps > 1 ? POLYMORPHIC : MONOMORPHIC; | |
93 return GetCode(kind(), type, name, state); | |
94 } | |
95 | |
96 | |
97 Handle<Code> PropertyICCompiler::CompileKeyedStorePolymorphic( | |
98 MapHandleList* receiver_maps, CodeHandleList* handler_stubs, | |
99 MapHandleList* transitioned_maps) { | |
100 Label miss; | |
101 __ JumpIfSmi(receiver(), &miss); | |
102 | |
103 int receiver_count = receiver_maps->length(); | |
104 Register map_reg = scratch1(); | |
105 __ LoadP(map_reg, FieldMemOperand(receiver(), HeapObject::kMapOffset)); | |
106 for (int i = 0; i < receiver_count; ++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 __ Jump(handler_stubs->at(i), RelocInfo::CODE_TARGET, eq); | |
111 } else { | |
112 Label next_map; | |
113 __ bne(&next_map); | |
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 __ Jump(handler_stubs->at(i), RelocInfo::CODE_TARGET, al); | |
120 __ bind(&next_map); | |
121 } | |
122 } | |
123 | |
124 __ bind(&miss); | |
125 TailCallBuiltin(masm(), MissBuiltin(kind())); | |
126 | |
127 // Return the generated code. | |
128 return GetCode(kind(), Code::NORMAL, factory()->empty_string(), POLYMORPHIC); | |
129 } | |
130 | |
131 | |
132 #undef __ | |
133 } // namespace internal | 28 } // namespace internal |
134 } // namespace v8 | 29 } // namespace v8 |
135 | 30 |
136 #endif // V8_TARGET_ARCH_PPC | 31 #endif // V8_TARGET_ARCH_PPC |
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