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
3 // found in the LICENSE file.
10 #include "src/ic/ic-compiler.h"
15 #define __ ACCESS_MASM(masm)
18 void PropertyICCompiler::GenerateRuntimeSetProperty(
19 MacroAssembler* masm, LanguageMode language_mode) {
20 __ mov(r0, Operand(Smi::FromInt(language_mode)));
21 __ Push(StoreDescriptor::ReceiverRegister(), StoreDescriptor::NameRegister(),
22 StoreDescriptor::ValueRegister(), r0);
24 // Do tail-call to runtime routine.
25 __ TailCallRuntime(Runtime::kSetProperty, 4, 1);
30 #define __ ACCESS_MASM(masm())
33 Handle<Code> PropertyICCompiler::CompilePolymorphic(MapHandleList* maps,
34 CodeHandleList* handlers,
40 if (check == PROPERTY &&
41 (kind() == Code::KEYED_LOAD_IC || kind() == Code::KEYED_STORE_IC)) {
42 // In case we are compiling an IC for dictionary loads or stores, just
43 // check whether the name is unique.
44 if (name.is_identical_to(isolate()->factory()->normal_ic_symbol())) {
45 // Keyed loads with dictionaries shouldn't be here, they go generic.
46 // The DCHECK is to protect assumptions when --vector-ics is on.
47 DCHECK(kind() != Code::KEYED_LOAD_IC);
48 Register tmp = scratch1();
49 __ JumpIfSmi(this->name(), &miss);
50 __ LoadP(tmp, FieldMemOperand(this->name(), HeapObject::kMapOffset));
51 __ lbz(tmp, FieldMemOperand(tmp, Map::kInstanceTypeOffset));
52 __ JumpIfNotUniqueNameInstanceType(tmp, &miss);
54 __ Cmpi(this->name(), Operand(name), r0);
60 Label* smi_target = IncludesNumberMap(maps) ? &number_case : &miss;
61 __ JumpIfSmi(receiver(), smi_target);
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(ElementTransitionAndStoreDescriptor::MapRegister()));
68 int receiver_count = maps->length();
69 int number_of_handled_maps = 0;
70 __ LoadP(map_reg, FieldMemOperand(receiver(), HeapObject::kMapOffset));
71 for (int current = 0; current < receiver_count; ++current) {
72 Handle<Map> map = maps->at(current);
73 if (!map->is_deprecated()) {
74 number_of_handled_maps++;
75 Handle<WeakCell> cell = Map::WeakCellForMap(map);
76 __ CmpWeakValue(map_reg, cell, scratch2());
79 if (map->instance_type() == HEAP_NUMBER_TYPE) {
80 DCHECK(!number_case.is_unused());
81 __ bind(&number_case);
83 __ Jump(handlers->at(current), RelocInfo::CODE_TARGET);
87 DCHECK(number_of_handled_maps != 0);
90 TailCallBuiltin(masm(), MissBuiltin(kind()));
92 // Return the generated code.
93 InlineCacheState state =
94 number_of_handled_maps > 1 ? POLYMORPHIC : MONOMORPHIC;
95 return GetCode(kind(), type, name, state);
99 Handle<Code> PropertyICCompiler::CompileKeyedStorePolymorphic(
100 MapHandleList* receiver_maps, CodeHandleList* handler_stubs,
101 MapHandleList* transitioned_maps) {
103 __ JumpIfSmi(receiver(), &miss);
105 int receiver_count = receiver_maps->length();
106 Register map_reg = scratch1();
107 __ LoadP(map_reg, FieldMemOperand(receiver(), HeapObject::kMapOffset));
108 for (int i = 0; i < receiver_count; ++i) {
109 Handle<WeakCell> cell = Map::WeakCellForMap(receiver_maps->at(i));
110 __ CmpWeakValue(map_reg, cell, scratch2());
111 if (transitioned_maps->at(i).is_null()) {
112 __ Jump(handler_stubs->at(i), RelocInfo::CODE_TARGET, eq);
116 Handle<WeakCell> cell = Map::WeakCellForMap(transitioned_maps->at(i));
117 __ LoadWeakValue(transition_map(), cell, &miss);
118 __ Jump(handler_stubs->at(i), RelocInfo::CODE_TARGET, al);
124 TailCallBuiltin(masm(), MissBuiltin(kind()));
126 // Return the generated code.
127 return GetCode(kind(), Code::NORMAL, factory()->empty_string(), POLYMORPHIC);
133 } // namespace v8::internal
135 #endif // V8_TARGET_ARCH_PPC