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.
4
5 #include "src/v8.h"
6
7 #if V8_TARGET_ARCH_ARM64
8
9 #include "src/ic/ic.h"
10 #include "src/ic/ic-compiler.h"
11
12 namespace v8 {
13 namespace internal {
14
15 #define __ ACCESS_MASM(masm)
16
GenerateRuntimeSetProperty(MacroAssembler * masm,StrictMode strict_mode)17 void PropertyICCompiler::GenerateRuntimeSetProperty(MacroAssembler* masm,
18 StrictMode strict_mode) {
19 ASM_LOCATION("PropertyICCompiler::GenerateRuntimeSetProperty");
20
21 __ Push(StoreDescriptor::ReceiverRegister(), StoreDescriptor::NameRegister(),
22 StoreDescriptor::ValueRegister());
23
24 __ Mov(x10, Smi::FromInt(strict_mode));
25 __ Push(x10);
26
27 // Do tail-call to runtime routine.
28 __ TailCallRuntime(Runtime::kSetProperty, 4, 1);
29 }
30
31
32 #undef __
33 #define __ ACCESS_MASM(masm())
34
35
CompilePolymorphic(TypeHandleList * types,CodeHandleList * handlers,Handle<Name> name,Code::StubType type,IcCheckType check)36 Handle<Code> PropertyICCompiler::CompilePolymorphic(TypeHandleList* types,
37 CodeHandleList* handlers,
38 Handle<Name> name,
39 Code::StubType type,
40 IcCheckType check) {
41 Label miss;
42
43 if (check == PROPERTY &&
44 (kind() == Code::KEYED_LOAD_IC || kind() == Code::KEYED_STORE_IC)) {
45 // In case we are compiling an IC for dictionary loads and stores, just
46 // check whether the name is unique.
47 if (name.is_identical_to(isolate()->factory()->normal_ic_symbol())) {
48 Register tmp = scratch1();
49 __ JumpIfSmi(this->name(), &miss);
50 __ Ldr(tmp, FieldMemOperand(this->name(), HeapObject::kMapOffset));
51 __ Ldrb(tmp, FieldMemOperand(tmp, Map::kInstanceTypeOffset));
52 __ JumpIfNotUniqueNameInstanceType(tmp, &miss);
53 } else {
54 __ CompareAndBranch(this->name(), Operand(name), ne, &miss);
55 }
56 }
57
58 Label number_case;
59 Label* smi_target = IncludesNumberType(types) ? &number_case : &miss;
60 __ JumpIfSmi(receiver(), smi_target);
61
62 // Polymorphic keyed stores may use the map register
63 Register map_reg = scratch1();
64 DCHECK(kind() != Code::KEYED_STORE_IC ||
65 map_reg.is(ElementTransitionAndStoreDescriptor::MapRegister()));
66 __ Ldr(map_reg, FieldMemOperand(receiver(), HeapObject::kMapOffset));
67 int receiver_count = types->length();
68 int number_of_handled_maps = 0;
69 for (int current = 0; current < receiver_count; ++current) {
70 Handle<HeapType> type = types->at(current);
71 Handle<Map> map = IC::TypeToMap(*type, isolate());
72 if (!map->is_deprecated()) {
73 number_of_handled_maps++;
74 Label try_next;
75 __ Cmp(map_reg, Operand(map));
76 __ B(ne, &try_next);
77 if (type->Is(HeapType::Number())) {
78 DCHECK(!number_case.is_unused());
79 __ Bind(&number_case);
80 }
81 __ Jump(handlers->at(current), RelocInfo::CODE_TARGET);
82 __ Bind(&try_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
CompileKeyedStorePolymorphic(MapHandleList * receiver_maps,CodeHandleList * handler_stubs,MapHandleList * transitioned_maps)97 Handle<Code> PropertyICCompiler::CompileKeyedStorePolymorphic(
98 MapHandleList* receiver_maps, CodeHandleList* handler_stubs,
99 MapHandleList* transitioned_maps) {
100 Label miss;
101
102 ASM_LOCATION("PropertyICCompiler::CompileStorePolymorphic");
103
104 __ JumpIfSmi(receiver(), &miss);
105
106 int receiver_count = receiver_maps->length();
107 __ Ldr(scratch1(), FieldMemOperand(receiver(), HeapObject::kMapOffset));
108 for (int i = 0; i < receiver_count; i++) {
109 __ Cmp(scratch1(), Operand(receiver_maps->at(i)));
110
111 Label skip;
112 __ B(&skip, ne);
113 if (!transitioned_maps->at(i).is_null()) {
114 // This argument is used by the handler stub. For example, see
115 // ElementsTransitionGenerator::GenerateMapChangeElementsTransition.
116 __ Mov(transition_map(), Operand(transitioned_maps->at(i)));
117 }
118 __ Jump(handler_stubs->at(i), RelocInfo::CODE_TARGET);
119 __ Bind(&skip);
120 }
121
122 __ Bind(&miss);
123 TailCallBuiltin(masm(), MissBuiltin(kind()));
124
125 return GetCode(kind(), Code::NORMAL, factory()->empty_string(), POLYMORPHIC);
126 }
127
128
129 #undef __
130 }
131 } // namespace v8::internal
132
133 #endif // V8_TARGET_ARCH_ARM64
134