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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_ARM | 7 #if V8_TARGET_ARCH_PPC |
8 | 8 |
9 #include "src/ic/call-optimization.h" | 9 #include "src/ic/call-optimization.h" |
10 #include "src/ic/handler-compiler.h" | 10 #include "src/ic/handler-compiler.h" |
11 #include "src/ic/ic.h" | 11 #include "src/ic/ic.h" |
12 | 12 |
13 namespace v8 { | 13 namespace v8 { |
14 namespace internal { | 14 namespace internal { |
15 | 15 |
16 #define __ ACCESS_MASM(masm) | 16 #define __ ACCESS_MASM(masm) |
17 | 17 |
18 | 18 |
19 void NamedLoadHandlerCompiler::GenerateLoadViaGetter( | 19 void NamedLoadHandlerCompiler::GenerateLoadViaGetter( |
20 MacroAssembler* masm, Handle<HeapType> type, Register receiver, | 20 MacroAssembler* masm, Handle<HeapType> type, Register receiver, |
21 Handle<JSFunction> getter) { | 21 Handle<JSFunction> getter) { |
22 // ----------- S t a t e ------------- | 22 // ----------- S t a t e ------------- |
23 // -- r0 : receiver | 23 // -- r3 : receiver |
24 // -- r2 : name | 24 // -- r5 : name |
25 // -- lr : return address | 25 // -- lr : return address |
26 // ----------------------------------- | 26 // ----------------------------------- |
27 { | 27 { |
28 FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL); | 28 FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL); |
29 | 29 |
30 if (!getter.is_null()) { | 30 if (!getter.is_null()) { |
31 // Call the JavaScript getter with the receiver on the stack. | 31 // Call the JavaScript getter with the receiver on the stack. |
32 if (IC::TypeToMap(*type, masm->isolate())->IsJSGlobalObjectMap()) { | 32 if (IC::TypeToMap(*type, masm->isolate())->IsJSGlobalObjectMap()) { |
33 // Swap in the global receiver. | 33 // Swap in the global receiver. |
34 __ ldr(receiver, | 34 __ LoadP(receiver, |
35 FieldMemOperand(receiver, JSGlobalObject::kGlobalProxyOffset)); | 35 FieldMemOperand(receiver, JSGlobalObject::kGlobalProxyOffset)); |
36 } | 36 } |
37 __ push(receiver); | 37 __ push(receiver); |
38 ParameterCount actual(0); | 38 ParameterCount actual(0); |
39 ParameterCount expected(getter); | 39 ParameterCount expected(getter); |
40 __ InvokeFunction(getter, expected, actual, CALL_FUNCTION, | 40 __ InvokeFunction(getter, expected, actual, CALL_FUNCTION, |
41 NullCallWrapper()); | 41 NullCallWrapper()); |
42 } else { | 42 } else { |
43 // If we generate a global code snippet for deoptimization only, remember | 43 // If we generate a global code snippet for deoptimization only, remember |
44 // the place to continue after deoptimization. | 44 // the place to continue after deoptimization. |
45 masm->isolate()->heap()->SetGetterStubDeoptPCOffset(masm->pc_offset()); | 45 masm->isolate()->heap()->SetGetterStubDeoptPCOffset(masm->pc_offset()); |
46 } | 46 } |
47 | 47 |
48 // Restore context register. | 48 // Restore context register. |
49 __ ldr(cp, MemOperand(fp, StandardFrameConstants::kContextOffset)); | 49 __ LoadP(cp, MemOperand(fp, StandardFrameConstants::kContextOffset)); |
50 } | 50 } |
51 __ Ret(); | 51 __ Ret(); |
52 } | 52 } |
53 | 53 |
54 | 54 |
55 void NamedStoreHandlerCompiler::GenerateStoreViaSetter( | 55 void NamedStoreHandlerCompiler::GenerateStoreViaSetter( |
56 MacroAssembler* masm, Handle<HeapType> type, Register receiver, | 56 MacroAssembler* masm, Handle<HeapType> type, Register receiver, |
57 Handle<JSFunction> setter) { | 57 Handle<JSFunction> setter) { |
58 // ----------- S t a t e ------------- | 58 // ----------- S t a t e ------------- |
59 // -- lr : return address | 59 // -- lr : return address |
60 // ----------------------------------- | 60 // ----------------------------------- |
61 { | 61 { |
62 FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL); | 62 FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL); |
63 | 63 |
64 // Save value register, so we can restore it later. | 64 // Save value register, so we can restore it later. |
65 __ push(value()); | 65 __ push(value()); |
66 | 66 |
67 if (!setter.is_null()) { | 67 if (!setter.is_null()) { |
68 // Call the JavaScript setter with receiver and value on the stack. | 68 // Call the JavaScript setter with receiver and value on the stack. |
69 if (IC::TypeToMap(*type, masm->isolate())->IsJSGlobalObjectMap()) { | 69 if (IC::TypeToMap(*type, masm->isolate())->IsJSGlobalObjectMap()) { |
70 // Swap in the global receiver. | 70 // Swap in the global receiver. |
71 __ ldr(receiver, | 71 __ LoadP(receiver, |
72 FieldMemOperand(receiver, JSGlobalObject::kGlobalProxyOffset)); | 72 FieldMemOperand(receiver, JSGlobalObject::kGlobalProxyOffset)); |
73 } | 73 } |
74 __ Push(receiver, value()); | 74 __ Push(receiver, value()); |
75 ParameterCount actual(1); | 75 ParameterCount actual(1); |
76 ParameterCount expected(setter); | 76 ParameterCount expected(setter); |
77 __ InvokeFunction(setter, expected, actual, CALL_FUNCTION, | 77 __ InvokeFunction(setter, expected, actual, CALL_FUNCTION, |
78 NullCallWrapper()); | 78 NullCallWrapper()); |
79 } else { | 79 } else { |
80 // If we generate a global code snippet for deoptimization only, remember | 80 // If we generate a global code snippet for deoptimization only, remember |
81 // the place to continue after deoptimization. | 81 // the place to continue after deoptimization. |
82 masm->isolate()->heap()->SetSetterStubDeoptPCOffset(masm->pc_offset()); | 82 masm->isolate()->heap()->SetSetterStubDeoptPCOffset(masm->pc_offset()); |
83 } | 83 } |
84 | 84 |
85 // We have to return the passed value, not the return value of the setter. | 85 // We have to return the passed value, not the return value of the setter. |
86 __ pop(r0); | 86 __ pop(r3); |
87 | 87 |
88 // Restore context register. | 88 // Restore context register. |
89 __ ldr(cp, MemOperand(fp, StandardFrameConstants::kContextOffset)); | 89 __ LoadP(cp, MemOperand(fp, StandardFrameConstants::kContextOffset)); |
90 } | 90 } |
91 __ Ret(); | 91 __ Ret(); |
92 } | 92 } |
93 | 93 |
94 | 94 |
95 void PropertyHandlerCompiler::GenerateDictionaryNegativeLookup( | 95 void PropertyHandlerCompiler::GenerateDictionaryNegativeLookup( |
96 MacroAssembler* masm, Label* miss_label, Register receiver, | 96 MacroAssembler* masm, Label* miss_label, Register receiver, |
97 Handle<Name> name, Register scratch0, Register scratch1) { | 97 Handle<Name> name, Register scratch0, Register scratch1) { |
98 DCHECK(name->IsUniqueName()); | 98 DCHECK(name->IsUniqueName()); |
99 DCHECK(!receiver.is(scratch0)); | 99 DCHECK(!receiver.is(scratch0)); |
100 Counters* counters = masm->isolate()->counters(); | 100 Counters* counters = masm->isolate()->counters(); |
101 __ IncrementCounter(counters->negative_lookups(), 1, scratch0, scratch1); | 101 __ IncrementCounter(counters->negative_lookups(), 1, scratch0, scratch1); |
102 __ IncrementCounter(counters->negative_lookups_miss(), 1, scratch0, scratch1); | 102 __ IncrementCounter(counters->negative_lookups_miss(), 1, scratch0, scratch1); |
103 | 103 |
104 Label done; | 104 Label done; |
105 | 105 |
106 const int kInterceptorOrAccessCheckNeededMask = | 106 const int kInterceptorOrAccessCheckNeededMask = |
107 (1 << Map::kHasNamedInterceptor) | (1 << Map::kIsAccessCheckNeeded); | 107 (1 << Map::kHasNamedInterceptor) | (1 << Map::kIsAccessCheckNeeded); |
108 | 108 |
109 // Bail out if the receiver has a named interceptor or requires access checks. | 109 // Bail out if the receiver has a named interceptor or requires access checks. |
110 Register map = scratch1; | 110 Register map = scratch1; |
111 __ ldr(map, FieldMemOperand(receiver, HeapObject::kMapOffset)); | 111 __ LoadP(map, FieldMemOperand(receiver, HeapObject::kMapOffset)); |
112 __ ldrb(scratch0, FieldMemOperand(map, Map::kBitFieldOffset)); | 112 __ lbz(scratch0, FieldMemOperand(map, Map::kBitFieldOffset)); |
113 __ tst(scratch0, Operand(kInterceptorOrAccessCheckNeededMask)); | 113 __ andi(r0, scratch0, Operand(kInterceptorOrAccessCheckNeededMask)); |
114 __ b(ne, miss_label); | 114 __ bne(miss_label, cr0); |
115 | 115 |
116 // Check that receiver is a JSObject. | 116 // Check that receiver is a JSObject. |
117 __ ldrb(scratch0, FieldMemOperand(map, Map::kInstanceTypeOffset)); | 117 __ lbz(scratch0, FieldMemOperand(map, Map::kInstanceTypeOffset)); |
118 __ cmp(scratch0, Operand(FIRST_SPEC_OBJECT_TYPE)); | 118 __ cmpi(scratch0, Operand(FIRST_SPEC_OBJECT_TYPE)); |
119 __ b(lt, miss_label); | 119 __ blt(miss_label); |
120 | 120 |
121 // Load properties array. | 121 // Load properties array. |
122 Register properties = scratch0; | 122 Register properties = scratch0; |
123 __ ldr(properties, FieldMemOperand(receiver, JSObject::kPropertiesOffset)); | 123 __ LoadP(properties, FieldMemOperand(receiver, JSObject::kPropertiesOffset)); |
124 // Check that the properties array is a dictionary. | 124 // Check that the properties array is a dictionary. |
125 __ ldr(map, FieldMemOperand(properties, HeapObject::kMapOffset)); | 125 __ LoadP(map, FieldMemOperand(properties, HeapObject::kMapOffset)); |
126 Register tmp = properties; | 126 Register tmp = properties; |
127 __ LoadRoot(tmp, Heap::kHashTableMapRootIndex); | 127 __ LoadRoot(tmp, Heap::kHashTableMapRootIndex); |
128 __ cmp(map, tmp); | 128 __ cmp(map, tmp); |
129 __ b(ne, miss_label); | 129 __ bne(miss_label); |
130 | 130 |
131 // Restore the temporarily used register. | 131 // Restore the temporarily used register. |
132 __ ldr(properties, FieldMemOperand(receiver, JSObject::kPropertiesOffset)); | 132 __ LoadP(properties, FieldMemOperand(receiver, JSObject::kPropertiesOffset)); |
133 | 133 |
134 | 134 |
135 NameDictionaryLookupStub::GenerateNegativeLookup( | 135 NameDictionaryLookupStub::GenerateNegativeLookup( |
136 masm, miss_label, &done, receiver, properties, name, scratch1); | 136 masm, miss_label, &done, receiver, properties, name, scratch1); |
137 __ bind(&done); | 137 __ bind(&done); |
138 __ DecrementCounter(counters->negative_lookups_miss(), 1, scratch0, scratch1); | 138 __ DecrementCounter(counters->negative_lookups_miss(), 1, scratch0, scratch1); |
139 } | 139 } |
140 | 140 |
141 | 141 |
142 void NamedLoadHandlerCompiler::GenerateDirectLoadGlobalFunctionPrototype( | 142 void NamedLoadHandlerCompiler::GenerateDirectLoadGlobalFunctionPrototype( |
143 MacroAssembler* masm, int index, Register prototype, Label* miss) { | 143 MacroAssembler* masm, int index, Register prototype, Label* miss) { |
144 Isolate* isolate = masm->isolate(); | 144 Isolate* isolate = masm->isolate(); |
145 // Get the global function with the given index. | 145 // Get the global function with the given index. |
146 Handle<JSFunction> function( | 146 Handle<JSFunction> function( |
147 JSFunction::cast(isolate->native_context()->get(index))); | 147 JSFunction::cast(isolate->native_context()->get(index))); |
148 | 148 |
149 // Check we're still in the same context. | 149 // Check we're still in the same context. |
150 Register scratch = prototype; | 150 Register scratch = prototype; |
151 const int offset = Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX); | 151 const int offset = Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX); |
152 __ ldr(scratch, MemOperand(cp, offset)); | 152 __ LoadP(scratch, MemOperand(cp, offset)); |
153 __ ldr(scratch, FieldMemOperand(scratch, GlobalObject::kNativeContextOffset)); | 153 __ LoadP(scratch, |
154 __ ldr(scratch, MemOperand(scratch, Context::SlotOffset(index))); | 154 FieldMemOperand(scratch, GlobalObject::kNativeContextOffset)); |
| 155 __ LoadP(scratch, MemOperand(scratch, Context::SlotOffset(index))); |
155 __ Move(ip, function); | 156 __ Move(ip, function); |
156 __ cmp(ip, scratch); | 157 __ cmp(ip, scratch); |
157 __ b(ne, miss); | 158 __ bne(miss); |
158 | 159 |
159 // Load its initial map. The global functions all have initial maps. | 160 // Load its initial map. The global functions all have initial maps. |
160 __ Move(prototype, Handle<Map>(function->initial_map())); | 161 __ Move(prototype, Handle<Map>(function->initial_map())); |
161 // Load the prototype from the initial map. | 162 // Load the prototype from the initial map. |
162 __ ldr(prototype, FieldMemOperand(prototype, Map::kPrototypeOffset)); | 163 __ LoadP(prototype, FieldMemOperand(prototype, Map::kPrototypeOffset)); |
163 } | 164 } |
164 | 165 |
165 | 166 |
166 void NamedLoadHandlerCompiler::GenerateLoadFunctionPrototype( | 167 void NamedLoadHandlerCompiler::GenerateLoadFunctionPrototype( |
167 MacroAssembler* masm, Register receiver, Register scratch1, | 168 MacroAssembler* masm, Register receiver, Register scratch1, |
168 Register scratch2, Label* miss_label) { | 169 Register scratch2, Label* miss_label) { |
169 __ TryGetFunctionPrototype(receiver, scratch1, scratch2, miss_label); | 170 __ TryGetFunctionPrototype(receiver, scratch1, scratch2, miss_label); |
170 __ mov(r0, scratch1); | 171 __ mr(r3, scratch1); |
171 __ Ret(); | 172 __ Ret(); |
172 } | 173 } |
173 | 174 |
174 | 175 |
175 // Generate code to check that a global property cell is empty. Create | 176 // Generate code to check that a global property cell is empty. Create |
176 // the property cell at compilation time if no cell exists for the | 177 // the property cell at compilation time if no cell exists for the |
177 // property. | 178 // property. |
178 void PropertyHandlerCompiler::GenerateCheckPropertyCell( | 179 void PropertyHandlerCompiler::GenerateCheckPropertyCell( |
179 MacroAssembler* masm, Handle<JSGlobalObject> global, Handle<Name> name, | 180 MacroAssembler* masm, Handle<JSGlobalObject> global, Handle<Name> name, |
180 Register scratch, Label* miss) { | 181 Register scratch, Label* miss) { |
181 Handle<Cell> cell = JSGlobalObject::EnsurePropertyCell(global, name); | 182 Handle<Cell> cell = JSGlobalObject::EnsurePropertyCell(global, name); |
182 DCHECK(cell->value()->IsTheHole()); | 183 DCHECK(cell->value()->IsTheHole()); |
183 __ mov(scratch, Operand(cell)); | 184 __ mov(scratch, Operand(cell)); |
184 __ ldr(scratch, FieldMemOperand(scratch, Cell::kValueOffset)); | 185 __ LoadP(scratch, FieldMemOperand(scratch, Cell::kValueOffset)); |
185 __ LoadRoot(ip, Heap::kTheHoleValueRootIndex); | 186 __ LoadRoot(ip, Heap::kTheHoleValueRootIndex); |
186 __ cmp(scratch, ip); | 187 __ cmp(scratch, ip); |
187 __ b(ne, miss); | 188 __ bne(miss); |
188 } | 189 } |
189 | 190 |
190 | 191 |
191 static void PushInterceptorArguments(MacroAssembler* masm, Register receiver, | 192 static void PushInterceptorArguments(MacroAssembler* masm, Register receiver, |
192 Register holder, Register name, | 193 Register holder, Register name, |
193 Handle<JSObject> holder_obj) { | 194 Handle<JSObject> holder_obj) { |
194 STATIC_ASSERT(NamedLoadHandlerCompiler::kInterceptorArgsNameIndex == 0); | 195 STATIC_ASSERT(NamedLoadHandlerCompiler::kInterceptorArgsNameIndex == 0); |
195 STATIC_ASSERT(NamedLoadHandlerCompiler::kInterceptorArgsInfoIndex == 1); | 196 STATIC_ASSERT(NamedLoadHandlerCompiler::kInterceptorArgsInfoIndex == 1); |
196 STATIC_ASSERT(NamedLoadHandlerCompiler::kInterceptorArgsThisIndex == 2); | 197 STATIC_ASSERT(NamedLoadHandlerCompiler::kInterceptorArgsThisIndex == 2); |
197 STATIC_ASSERT(NamedLoadHandlerCompiler::kInterceptorArgsHolderIndex == 3); | 198 STATIC_ASSERT(NamedLoadHandlerCompiler::kInterceptorArgsHolderIndex == 3); |
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226 // Write the arguments to stack frame. | 227 // Write the arguments to stack frame. |
227 for (int i = 0; i < argc; i++) { | 228 for (int i = 0; i < argc; i++) { |
228 Register arg = values[argc - 1 - i]; | 229 Register arg = values[argc - 1 - i]; |
229 DCHECK(!receiver.is(arg)); | 230 DCHECK(!receiver.is(arg)); |
230 DCHECK(!scratch_in.is(arg)); | 231 DCHECK(!scratch_in.is(arg)); |
231 __ push(arg); | 232 __ push(arg); |
232 } | 233 } |
233 DCHECK(optimization.is_simple_api_call()); | 234 DCHECK(optimization.is_simple_api_call()); |
234 | 235 |
235 // Abi for CallApiFunctionStub. | 236 // Abi for CallApiFunctionStub. |
236 Register callee = r0; | 237 Register callee = r3; |
237 Register call_data = r4; | 238 Register call_data = r7; |
238 Register holder = r2; | 239 Register holder = r5; |
239 Register api_function_address = r1; | 240 Register api_function_address = r4; |
240 | 241 |
241 // Put holder in place. | 242 // Put holder in place. |
242 CallOptimization::HolderLookup holder_lookup; | 243 CallOptimization::HolderLookup holder_lookup; |
243 Handle<JSObject> api_holder = | 244 Handle<JSObject> api_holder = |
244 optimization.LookupHolderOfExpectedType(receiver_map, &holder_lookup); | 245 optimization.LookupHolderOfExpectedType(receiver_map, &holder_lookup); |
245 switch (holder_lookup) { | 246 switch (holder_lookup) { |
246 case CallOptimization::kHolderIsReceiver: | 247 case CallOptimization::kHolderIsReceiver: |
247 __ Move(holder, receiver); | 248 __ Move(holder, receiver); |
248 break; | 249 break; |
249 case CallOptimization::kHolderFound: | 250 case CallOptimization::kHolderFound: |
250 __ Move(holder, api_holder); | 251 __ Move(holder, api_holder); |
251 break; | 252 break; |
252 case CallOptimization::kHolderNotFound: | 253 case CallOptimization::kHolderNotFound: |
253 UNREACHABLE(); | 254 UNREACHABLE(); |
254 break; | 255 break; |
255 } | 256 } |
256 | 257 |
257 Isolate* isolate = masm->isolate(); | 258 Isolate* isolate = masm->isolate(); |
258 Handle<JSFunction> function = optimization.constant_function(); | 259 Handle<JSFunction> function = optimization.constant_function(); |
259 Handle<CallHandlerInfo> api_call_info = optimization.api_call_info(); | 260 Handle<CallHandlerInfo> api_call_info = optimization.api_call_info(); |
260 Handle<Object> call_data_obj(api_call_info->data(), isolate); | 261 Handle<Object> call_data_obj(api_call_info->data(), isolate); |
261 | 262 |
262 // Put callee in place. | 263 // Put callee in place. |
263 __ Move(callee, function); | 264 __ Move(callee, function); |
264 | 265 |
265 bool call_data_undefined = false; | 266 bool call_data_undefined = false; |
266 // Put call_data in place. | 267 // Put call_data in place. |
267 if (isolate->heap()->InNewSpace(*call_data_obj)) { | 268 if (isolate->heap()->InNewSpace(*call_data_obj)) { |
268 __ Move(call_data, api_call_info); | 269 __ Move(call_data, api_call_info); |
269 __ ldr(call_data, FieldMemOperand(call_data, CallHandlerInfo::kDataOffset)); | 270 __ LoadP(call_data, |
| 271 FieldMemOperand(call_data, CallHandlerInfo::kDataOffset)); |
270 } else if (call_data_obj->IsUndefined()) { | 272 } else if (call_data_obj->IsUndefined()) { |
271 call_data_undefined = true; | 273 call_data_undefined = true; |
272 __ LoadRoot(call_data, Heap::kUndefinedValueRootIndex); | 274 __ LoadRoot(call_data, Heap::kUndefinedValueRootIndex); |
273 } else { | 275 } else { |
274 __ Move(call_data, call_data_obj); | 276 __ Move(call_data, call_data_obj); |
275 } | 277 } |
276 | 278 |
277 // Put api_function_address in place. | 279 // Put api_function_address in place. |
278 Address function_address = v8::ToCData<Address>(api_call_info->callback()); | 280 Address function_address = v8::ToCData<Address>(api_call_info->callback()); |
279 ApiFunction fun(function_address); | 281 ApiFunction fun(function_address); |
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319 | 321 |
320 void NamedStoreHandlerCompiler::GenerateRestoreName(Label* label, | 322 void NamedStoreHandlerCompiler::GenerateRestoreName(Label* label, |
321 Handle<Name> name) { | 323 Handle<Name> name) { |
322 if (!label->is_unused()) { | 324 if (!label->is_unused()) { |
323 __ bind(label); | 325 __ bind(label); |
324 __ mov(this->name(), Operand(name)); | 326 __ mov(this->name(), Operand(name)); |
325 } | 327 } |
326 } | 328 } |
327 | 329 |
328 | 330 |
329 // Generate StoreTransition code, value is passed in r0 register. | 331 void NamedStoreHandlerCompiler::GenerateRestoreNameAndMap( |
330 // When leaving generated code after success, the receiver_reg and name_reg | 332 Handle<Name> name, Handle<Map> transition) { |
331 // may be clobbered. Upon branch to miss_label, the receiver and name | 333 __ mov(this->name(), Operand(name)); |
332 // registers have their original values. | 334 __ mov(StoreTransitionDescriptor::MapRegister(), Operand(transition)); |
333 void NamedStoreHandlerCompiler::GenerateStoreTransition( | |
334 Handle<Map> transition, Handle<Name> name, Register receiver_reg, | |
335 Register storage_reg, Register value_reg, Register scratch1, | |
336 Register scratch2, Register scratch3, Label* miss_label, Label* slow) { | |
337 // r0 : value | |
338 Label exit; | |
339 | |
340 int descriptor = transition->LastAdded(); | |
341 DescriptorArray* descriptors = transition->instance_descriptors(); | |
342 PropertyDetails details = descriptors->GetDetails(descriptor); | |
343 Representation representation = details.representation(); | |
344 DCHECK(!representation.IsNone()); | |
345 | |
346 if (details.type() == CONSTANT) { | |
347 Handle<Object> constant(descriptors->GetValue(descriptor), isolate()); | |
348 __ Move(scratch1, constant); | |
349 __ cmp(value_reg, scratch1); | |
350 __ b(ne, miss_label); | |
351 } else if (representation.IsSmi()) { | |
352 __ JumpIfNotSmi(value_reg, miss_label); | |
353 } else if (representation.IsHeapObject()) { | |
354 __ JumpIfSmi(value_reg, miss_label); | |
355 HeapType* field_type = descriptors->GetFieldType(descriptor); | |
356 HeapType::Iterator<Map> it = field_type->Classes(); | |
357 if (!it.Done()) { | |
358 __ ldr(scratch1, FieldMemOperand(value_reg, HeapObject::kMapOffset)); | |
359 Label do_store; | |
360 while (true) { | |
361 __ CompareMap(scratch1, it.Current(), &do_store); | |
362 it.Advance(); | |
363 if (it.Done()) { | |
364 __ b(ne, miss_label); | |
365 break; | |
366 } | |
367 __ b(eq, &do_store); | |
368 } | |
369 __ bind(&do_store); | |
370 } | |
371 } else if (representation.IsDouble()) { | |
372 Label do_store, heap_number; | |
373 __ LoadRoot(scratch3, Heap::kMutableHeapNumberMapRootIndex); | |
374 __ AllocateHeapNumber(storage_reg, scratch1, scratch2, scratch3, slow, | |
375 TAG_RESULT, MUTABLE); | |
376 | |
377 __ JumpIfNotSmi(value_reg, &heap_number); | |
378 __ SmiUntag(scratch1, value_reg); | |
379 __ vmov(s0, scratch1); | |
380 __ vcvt_f64_s32(d0, s0); | |
381 __ jmp(&do_store); | |
382 | |
383 __ bind(&heap_number); | |
384 __ CheckMap(value_reg, scratch1, Heap::kHeapNumberMapRootIndex, miss_label, | |
385 DONT_DO_SMI_CHECK); | |
386 __ vldr(d0, FieldMemOperand(value_reg, HeapNumber::kValueOffset)); | |
387 | |
388 __ bind(&do_store); | |
389 __ vstr(d0, FieldMemOperand(storage_reg, HeapNumber::kValueOffset)); | |
390 } | |
391 | |
392 // Stub never generated for objects that require access checks. | |
393 DCHECK(!transition->is_access_check_needed()); | |
394 | |
395 // Perform map transition for the receiver if necessary. | |
396 if (details.type() == FIELD && | |
397 Map::cast(transition->GetBackPointer())->unused_property_fields() == 0) { | |
398 // The properties must be extended before we can store the value. | |
399 // We jump to a runtime call that extends the properties array. | |
400 __ push(receiver_reg); | |
401 __ mov(r2, Operand(transition)); | |
402 __ Push(r2, r0); | |
403 __ TailCallExternalReference( | |
404 ExternalReference(IC_Utility(IC::kSharedStoreIC_ExtendStorage), | |
405 isolate()), | |
406 3, 1); | |
407 return; | |
408 } | |
409 | |
410 // Update the map of the object. | |
411 __ mov(scratch1, Operand(transition)); | |
412 __ str(scratch1, FieldMemOperand(receiver_reg, HeapObject::kMapOffset)); | |
413 | |
414 // Update the write barrier for the map field. | |
415 __ RecordWriteField(receiver_reg, HeapObject::kMapOffset, scratch1, scratch2, | |
416 kLRHasNotBeenSaved, kDontSaveFPRegs, OMIT_REMEMBERED_SET, | |
417 OMIT_SMI_CHECK); | |
418 | |
419 if (details.type() == CONSTANT) { | |
420 DCHECK(value_reg.is(r0)); | |
421 __ Ret(); | |
422 return; | |
423 } | |
424 | |
425 int index = transition->instance_descriptors()->GetFieldIndex( | |
426 transition->LastAdded()); | |
427 | |
428 // Adjust for the number of properties stored in the object. Even in the | |
429 // face of a transition we can use the old map here because the size of the | |
430 // object and the number of in-object properties is not going to change. | |
431 index -= transition->inobject_properties(); | |
432 | |
433 // TODO(verwaest): Share this code as a code stub. | |
434 SmiCheck smi_check = | |
435 representation.IsTagged() ? INLINE_SMI_CHECK : OMIT_SMI_CHECK; | |
436 if (index < 0) { | |
437 // Set the property straight into the object. | |
438 int offset = transition->instance_size() + (index * kPointerSize); | |
439 if (representation.IsDouble()) { | |
440 __ str(storage_reg, FieldMemOperand(receiver_reg, offset)); | |
441 } else { | |
442 __ str(value_reg, FieldMemOperand(receiver_reg, offset)); | |
443 } | |
444 | |
445 if (!representation.IsSmi()) { | |
446 // Update the write barrier for the array address. | |
447 if (!representation.IsDouble()) { | |
448 __ mov(storage_reg, value_reg); | |
449 } | |
450 __ RecordWriteField(receiver_reg, offset, storage_reg, scratch1, | |
451 kLRHasNotBeenSaved, kDontSaveFPRegs, | |
452 EMIT_REMEMBERED_SET, smi_check); | |
453 } | |
454 } else { | |
455 // Write to the properties array. | |
456 int offset = index * kPointerSize + FixedArray::kHeaderSize; | |
457 // Get the properties array | |
458 __ ldr(scratch1, | |
459 FieldMemOperand(receiver_reg, JSObject::kPropertiesOffset)); | |
460 if (representation.IsDouble()) { | |
461 __ str(storage_reg, FieldMemOperand(scratch1, offset)); | |
462 } else { | |
463 __ str(value_reg, FieldMemOperand(scratch1, offset)); | |
464 } | |
465 | |
466 if (!representation.IsSmi()) { | |
467 // Update the write barrier for the array address. | |
468 if (!representation.IsDouble()) { | |
469 __ mov(storage_reg, value_reg); | |
470 } | |
471 __ RecordWriteField(scratch1, offset, storage_reg, receiver_reg, | |
472 kLRHasNotBeenSaved, kDontSaveFPRegs, | |
473 EMIT_REMEMBERED_SET, smi_check); | |
474 } | |
475 } | |
476 | |
477 // Return the value (register r0). | |
478 DCHECK(value_reg.is(r0)); | |
479 __ bind(&exit); | |
480 __ Ret(); | |
481 } | 335 } |
482 | 336 |
483 | 337 |
484 void NamedStoreHandlerCompiler::GenerateStoreField(LookupIterator* lookup, | 338 void NamedStoreHandlerCompiler::GenerateConstantCheck(Object* constant, |
485 Register value_reg, | 339 Register value_reg, |
486 Label* miss_label) { | 340 Label* miss_label) { |
487 DCHECK(lookup->representation().IsHeapObject()); | 341 __ Move(scratch1(), handle(constant, isolate())); |
488 __ JumpIfSmi(value_reg, miss_label); | 342 __ cmp(value_reg, scratch1()); |
489 HeapType::Iterator<Map> it = lookup->GetFieldType()->Classes(); | 343 __ bne(miss_label); |
490 __ ldr(scratch1(), FieldMemOperand(value_reg, HeapObject::kMapOffset)); | |
491 Label do_store; | |
492 while (true) { | |
493 __ CompareMap(scratch1(), it.Current(), &do_store); | |
494 it.Advance(); | |
495 if (it.Done()) { | |
496 __ b(ne, miss_label); | |
497 break; | |
498 } | |
499 __ b(eq, &do_store); | |
500 } | |
501 __ bind(&do_store); | |
502 | |
503 StoreFieldStub stub(isolate(), lookup->GetFieldIndex(), | |
504 lookup->representation()); | |
505 GenerateTailCall(masm(), stub.GetCode()); | |
506 } | 344 } |
507 | 345 |
508 | 346 |
| 347 void NamedStoreHandlerCompiler::GenerateFieldTypeChecks(HeapType* field_type, |
| 348 Register value_reg, |
| 349 Label* miss_label) { |
| 350 __ JumpIfSmi(value_reg, miss_label); |
| 351 HeapType::Iterator<Map> it = field_type->Classes(); |
| 352 if (!it.Done()) { |
| 353 __ LoadP(scratch1(), FieldMemOperand(value_reg, HeapObject::kMapOffset)); |
| 354 Label do_store; |
| 355 while (true) { |
| 356 __ CompareMap(scratch1(), it.Current(), &do_store); |
| 357 it.Advance(); |
| 358 if (it.Done()) { |
| 359 __ bne(miss_label); |
| 360 break; |
| 361 } |
| 362 __ beq(&do_store); |
| 363 } |
| 364 __ bind(&do_store); |
| 365 } |
| 366 } |
| 367 |
| 368 |
509 Register PropertyHandlerCompiler::CheckPrototypes( | 369 Register PropertyHandlerCompiler::CheckPrototypes( |
510 Register object_reg, Register holder_reg, Register scratch1, | 370 Register object_reg, Register holder_reg, Register scratch1, |
511 Register scratch2, Handle<Name> name, Label* miss, | 371 Register scratch2, Handle<Name> name, Label* miss, |
512 PrototypeCheckType check) { | 372 PrototypeCheckType check) { |
513 Handle<Map> receiver_map(IC::TypeToMap(*type(), isolate())); | 373 Handle<Map> receiver_map(IC::TypeToMap(*type(), isolate())); |
514 | 374 |
515 // Make sure there's no overlap between holder and object registers. | 375 // Make sure there's no overlap between holder and object registers. |
516 DCHECK(!scratch1.is(object_reg) && !scratch1.is(holder_reg)); | 376 DCHECK(!scratch1.is(object_reg) && !scratch1.is(holder_reg)); |
517 DCHECK(!scratch2.is(object_reg) && !scratch2.is(holder_reg) && | 377 DCHECK(!scratch2.is(object_reg) && !scratch2.is(holder_reg) && |
518 !scratch2.is(scratch1)); | 378 !scratch2.is(scratch1)); |
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546 DCHECK(name->IsString()); | 406 DCHECK(name->IsString()); |
547 name = factory()->InternalizeString(Handle<String>::cast(name)); | 407 name = factory()->InternalizeString(Handle<String>::cast(name)); |
548 } | 408 } |
549 DCHECK(current.is_null() || | 409 DCHECK(current.is_null() || |
550 current->property_dictionary()->FindEntry(name) == | 410 current->property_dictionary()->FindEntry(name) == |
551 NameDictionary::kNotFound); | 411 NameDictionary::kNotFound); |
552 | 412 |
553 GenerateDictionaryNegativeLookup(masm(), miss, reg, name, scratch1, | 413 GenerateDictionaryNegativeLookup(masm(), miss, reg, name, scratch1, |
554 scratch2); | 414 scratch2); |
555 | 415 |
556 __ ldr(scratch1, FieldMemOperand(reg, HeapObject::kMapOffset)); | 416 __ LoadP(scratch1, FieldMemOperand(reg, HeapObject::kMapOffset)); |
557 reg = holder_reg; // From now on the object will be in holder_reg. | 417 reg = holder_reg; // From now on the object will be in holder_reg. |
558 __ ldr(reg, FieldMemOperand(scratch1, Map::kPrototypeOffset)); | 418 __ LoadP(reg, FieldMemOperand(scratch1, Map::kPrototypeOffset)); |
559 } else { | 419 } else { |
560 Register map_reg = scratch1; | 420 Register map_reg = scratch1; |
561 if (depth != 1 || check == CHECK_ALL_MAPS) { | 421 if (depth != 1 || check == CHECK_ALL_MAPS) { |
562 // CheckMap implicitly loads the map of |reg| into |map_reg|. | 422 // CheckMap implicitly loads the map of |reg| into |map_reg|. |
563 __ CheckMap(reg, map_reg, current_map, miss, DONT_DO_SMI_CHECK); | 423 __ CheckMap(reg, map_reg, current_map, miss, DONT_DO_SMI_CHECK); |
564 } else { | 424 } else { |
565 __ ldr(map_reg, FieldMemOperand(reg, HeapObject::kMapOffset)); | 425 __ LoadP(map_reg, FieldMemOperand(reg, HeapObject::kMapOffset)); |
566 } | 426 } |
567 | 427 |
568 // Check access rights to the global object. This has to happen after | 428 // Check access rights to the global object. This has to happen after |
569 // the map check so that we know that the object is actually a global | 429 // the map check so that we know that the object is actually a global |
570 // object. | 430 // object. |
571 // This allows us to install generated handlers for accesses to the | 431 // This allows us to install generated handlers for accesses to the |
572 // global proxy (as opposed to using slow ICs). See corresponding code | 432 // global proxy (as opposed to using slow ICs). See corresponding code |
573 // in LookupForRead(). | 433 // in LookupForRead(). |
574 if (current_map->IsJSGlobalProxyMap()) { | 434 if (current_map->IsJSGlobalProxyMap()) { |
575 __ CheckAccessGlobalProxy(reg, scratch2, miss); | 435 __ CheckAccessGlobalProxy(reg, scratch2, miss); |
576 } else if (current_map->IsJSGlobalObjectMap()) { | 436 } else if (current_map->IsJSGlobalObjectMap()) { |
577 GenerateCheckPropertyCell(masm(), Handle<JSGlobalObject>::cast(current), | 437 GenerateCheckPropertyCell(masm(), Handle<JSGlobalObject>::cast(current), |
578 name, scratch2, miss); | 438 name, scratch2, miss); |
579 } | 439 } |
580 | 440 |
581 reg = holder_reg; // From now on the object will be in holder_reg. | 441 reg = holder_reg; // From now on the object will be in holder_reg. |
582 | 442 |
583 // Two possible reasons for loading the prototype from the map: | 443 // Two possible reasons for loading the prototype from the map: |
584 // (1) Can't store references to new space in code. | 444 // (1) Can't store references to new space in code. |
585 // (2) Handler is shared for all receivers with the same prototype | 445 // (2) Handler is shared for all receivers with the same prototype |
586 // map (but not necessarily the same prototype instance). | 446 // map (but not necessarily the same prototype instance). |
587 bool load_prototype_from_map = | 447 bool load_prototype_from_map = |
588 heap()->InNewSpace(*prototype) || depth == 1; | 448 heap()->InNewSpace(*prototype) || depth == 1; |
589 if (load_prototype_from_map) { | 449 if (load_prototype_from_map) { |
590 __ ldr(reg, FieldMemOperand(map_reg, Map::kPrototypeOffset)); | 450 __ LoadP(reg, FieldMemOperand(map_reg, Map::kPrototypeOffset)); |
591 } else { | 451 } else { |
592 __ mov(reg, Operand(prototype)); | 452 __ mov(reg, Operand(prototype)); |
593 } | 453 } |
594 } | 454 } |
595 | 455 |
596 // Go to the next object in the prototype chain. | 456 // Go to the next object in the prototype chain. |
597 current = prototype; | 457 current = prototype; |
598 current_map = handle(current->map()); | 458 current_map = handle(current->map()); |
599 } | 459 } |
600 | 460 |
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635 __ b(&success); | 495 __ b(&success); |
636 GenerateRestoreName(miss, name); | 496 GenerateRestoreName(miss, name); |
637 TailCallBuiltin(masm(), MissBuiltin(kind())); | 497 TailCallBuiltin(masm(), MissBuiltin(kind())); |
638 __ bind(&success); | 498 __ bind(&success); |
639 } | 499 } |
640 } | 500 } |
641 | 501 |
642 | 502 |
643 void NamedLoadHandlerCompiler::GenerateLoadConstant(Handle<Object> value) { | 503 void NamedLoadHandlerCompiler::GenerateLoadConstant(Handle<Object> value) { |
644 // Return the constant value. | 504 // Return the constant value. |
645 __ Move(r0, value); | 505 __ Move(r3, value); |
646 __ Ret(); | 506 __ Ret(); |
647 } | 507 } |
648 | 508 |
649 | 509 |
650 void NamedLoadHandlerCompiler::GenerateLoadCallback( | 510 void NamedLoadHandlerCompiler::GenerateLoadCallback( |
651 Register reg, Handle<ExecutableAccessorInfo> callback) { | 511 Register reg, Handle<ExecutableAccessorInfo> callback) { |
652 // Build AccessorInfo::args_ list on the stack and push property name below | 512 // Build AccessorInfo::args_ list on the stack and push property name below |
653 // the exit frame to make GC aware of them and store pointers to them. | 513 // the exit frame to make GC aware of them and store pointers to them. |
654 STATIC_ASSERT(PropertyCallbackArguments::kHolderIndex == 0); | 514 STATIC_ASSERT(PropertyCallbackArguments::kHolderIndex == 0); |
655 STATIC_ASSERT(PropertyCallbackArguments::kIsolateIndex == 1); | 515 STATIC_ASSERT(PropertyCallbackArguments::kIsolateIndex == 1); |
656 STATIC_ASSERT(PropertyCallbackArguments::kReturnValueDefaultValueIndex == 2); | 516 STATIC_ASSERT(PropertyCallbackArguments::kReturnValueDefaultValueIndex == 2); |
657 STATIC_ASSERT(PropertyCallbackArguments::kReturnValueOffset == 3); | 517 STATIC_ASSERT(PropertyCallbackArguments::kReturnValueOffset == 3); |
658 STATIC_ASSERT(PropertyCallbackArguments::kDataIndex == 4); | 518 STATIC_ASSERT(PropertyCallbackArguments::kDataIndex == 4); |
659 STATIC_ASSERT(PropertyCallbackArguments::kThisIndex == 5); | 519 STATIC_ASSERT(PropertyCallbackArguments::kThisIndex == 5); |
660 STATIC_ASSERT(PropertyCallbackArguments::kArgsLength == 6); | 520 STATIC_ASSERT(PropertyCallbackArguments::kArgsLength == 6); |
661 DCHECK(!scratch2().is(reg)); | 521 DCHECK(!scratch2().is(reg)); |
662 DCHECK(!scratch3().is(reg)); | 522 DCHECK(!scratch3().is(reg)); |
663 DCHECK(!scratch4().is(reg)); | 523 DCHECK(!scratch4().is(reg)); |
664 __ push(receiver()); | 524 __ push(receiver()); |
665 if (heap()->InNewSpace(callback->data())) { | 525 if (heap()->InNewSpace(callback->data())) { |
666 __ Move(scratch3(), callback); | 526 __ Move(scratch3(), callback); |
667 __ ldr(scratch3(), | 527 __ LoadP(scratch3(), |
668 FieldMemOperand(scratch3(), ExecutableAccessorInfo::kDataOffset)); | 528 FieldMemOperand(scratch3(), ExecutableAccessorInfo::kDataOffset)); |
669 } else { | 529 } else { |
670 __ Move(scratch3(), Handle<Object>(callback->data(), isolate())); | 530 __ Move(scratch3(), Handle<Object>(callback->data(), isolate())); |
671 } | 531 } |
672 __ push(scratch3()); | 532 __ push(scratch3()); |
673 __ LoadRoot(scratch3(), Heap::kUndefinedValueRootIndex); | 533 __ LoadRoot(scratch3(), Heap::kUndefinedValueRootIndex); |
674 __ mov(scratch4(), scratch3()); | 534 __ mr(scratch4(), scratch3()); |
675 __ Push(scratch3(), scratch4()); | 535 __ Push(scratch3(), scratch4()); |
676 __ mov(scratch4(), Operand(ExternalReference::isolate_address(isolate()))); | 536 __ mov(scratch4(), Operand(ExternalReference::isolate_address(isolate()))); |
677 __ Push(scratch4(), reg); | 537 __ Push(scratch4(), reg); |
678 __ mov(scratch2(), sp); // scratch2 = PropertyAccessorInfo::args_ | |
679 __ push(name()); | 538 __ push(name()); |
680 | 539 |
681 // Abi for CallApiGetter | 540 // Abi for CallApiGetter |
682 Register getter_address_reg = ApiGetterDescriptor::function_address(); | 541 Register getter_address_reg = ApiGetterDescriptor::function_address(); |
683 | 542 |
684 Address getter_address = v8::ToCData<Address>(callback->getter()); | 543 Address getter_address = v8::ToCData<Address>(callback->getter()); |
685 ApiFunction fun(getter_address); | 544 ApiFunction fun(getter_address); |
686 ExternalReference::Type type = ExternalReference::DIRECT_GETTER_CALL; | 545 ExternalReference::Type type = ExternalReference::DIRECT_GETTER_CALL; |
687 ExternalReference ref = ExternalReference(&fun, type, isolate()); | 546 ExternalReference ref = ExternalReference(&fun, type, isolate()); |
688 __ mov(getter_address_reg, Operand(ref)); | 547 __ mov(getter_address_reg, Operand(ref)); |
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725 // interceptor's holder has been compiled before (see a caller | 584 // interceptor's holder has been compiled before (see a caller |
726 // of this method.) | 585 // of this method.) |
727 CompileCallLoadPropertyWithInterceptor( | 586 CompileCallLoadPropertyWithInterceptor( |
728 masm(), receiver(), holder_reg, this->name(), holder(), | 587 masm(), receiver(), holder_reg, this->name(), holder(), |
729 IC::kLoadPropertyWithInterceptorOnly); | 588 IC::kLoadPropertyWithInterceptorOnly); |
730 | 589 |
731 // Check if interceptor provided a value for property. If it's | 590 // Check if interceptor provided a value for property. If it's |
732 // the case, return immediately. | 591 // the case, return immediately. |
733 Label interceptor_failed; | 592 Label interceptor_failed; |
734 __ LoadRoot(scratch1(), Heap::kNoInterceptorResultSentinelRootIndex); | 593 __ LoadRoot(scratch1(), Heap::kNoInterceptorResultSentinelRootIndex); |
735 __ cmp(r0, scratch1()); | 594 __ cmp(r3, scratch1()); |
736 __ b(eq, &interceptor_failed); | 595 __ beq(&interceptor_failed); |
737 frame_scope.GenerateLeaveFrame(); | 596 frame_scope.GenerateLeaveFrame(); |
738 __ Ret(); | 597 __ Ret(); |
739 | 598 |
740 __ bind(&interceptor_failed); | 599 __ bind(&interceptor_failed); |
741 __ pop(this->name()); | 600 __ pop(this->name()); |
742 __ pop(holder_reg); | 601 __ pop(holder_reg); |
743 if (must_preserve_receiver_reg) { | 602 if (must_preserve_receiver_reg) { |
744 __ pop(receiver()); | 603 __ pop(receiver()); |
745 } | 604 } |
746 // Leave the internal frame. | 605 // Leave the internal frame. |
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762 __ TailCallExternalReference( | 621 __ TailCallExternalReference( |
763 ref, NamedLoadHandlerCompiler::kInterceptorArgsLength, 1); | 622 ref, NamedLoadHandlerCompiler::kInterceptorArgsLength, 1); |
764 } | 623 } |
765 | 624 |
766 | 625 |
767 Handle<Code> NamedStoreHandlerCompiler::CompileStoreCallback( | 626 Handle<Code> NamedStoreHandlerCompiler::CompileStoreCallback( |
768 Handle<JSObject> object, Handle<Name> name, | 627 Handle<JSObject> object, Handle<Name> name, |
769 Handle<ExecutableAccessorInfo> callback) { | 628 Handle<ExecutableAccessorInfo> callback) { |
770 Register holder_reg = Frontend(receiver(), name); | 629 Register holder_reg = Frontend(receiver(), name); |
771 | 630 |
772 __ push(receiver()); // receiver | 631 __ Push(receiver(), holder_reg); // receiver |
773 __ push(holder_reg); | 632 __ mov(ip, Operand(callback)); // callback info |
774 __ mov(ip, Operand(callback)); // callback info | |
775 __ push(ip); | 633 __ push(ip); |
776 __ mov(ip, Operand(name)); | 634 __ mov(ip, Operand(name)); |
777 __ Push(ip, value()); | 635 __ Push(ip, value()); |
778 | 636 |
779 // Do tail-call to the runtime system. | 637 // Do tail-call to the runtime system. |
780 ExternalReference store_callback_property = | 638 ExternalReference store_callback_property = |
781 ExternalReference(IC_Utility(IC::kStoreCallbackProperty), isolate()); | 639 ExternalReference(IC_Utility(IC::kStoreCallbackProperty), isolate()); |
782 __ TailCallExternalReference(store_callback_property, 5, 1); | 640 __ TailCallExternalReference(store_callback_property, 5, 1); |
783 | 641 |
784 // Return the generated code. | 642 // Return the generated code. |
(...skipping 21 matching lines...) Expand all Loading... |
806 | 664 |
807 | 665 |
808 Handle<Code> NamedLoadHandlerCompiler::CompileLoadGlobal( | 666 Handle<Code> NamedLoadHandlerCompiler::CompileLoadGlobal( |
809 Handle<PropertyCell> cell, Handle<Name> name, bool is_configurable) { | 667 Handle<PropertyCell> cell, Handle<Name> name, bool is_configurable) { |
810 Label miss; | 668 Label miss; |
811 FrontendHeader(receiver(), name, &miss); | 669 FrontendHeader(receiver(), name, &miss); |
812 | 670 |
813 // Get the value from the cell. | 671 // Get the value from the cell. |
814 Register result = StoreDescriptor::ValueRegister(); | 672 Register result = StoreDescriptor::ValueRegister(); |
815 __ mov(result, Operand(cell)); | 673 __ mov(result, Operand(cell)); |
816 __ ldr(result, FieldMemOperand(result, Cell::kValueOffset)); | 674 __ LoadP(result, FieldMemOperand(result, Cell::kValueOffset)); |
817 | 675 |
818 // Check for deleted property if property can actually be deleted. | 676 // Check for deleted property if property can actually be deleted. |
819 if (is_configurable) { | 677 if (is_configurable) { |
820 __ LoadRoot(ip, Heap::kTheHoleValueRootIndex); | 678 __ LoadRoot(ip, Heap::kTheHoleValueRootIndex); |
821 __ cmp(result, ip); | 679 __ cmp(result, ip); |
822 __ b(eq, &miss); | 680 __ beq(&miss); |
823 } | 681 } |
824 | 682 |
825 Counters* counters = isolate()->counters(); | 683 Counters* counters = isolate()->counters(); |
826 __ IncrementCounter(counters->named_load_global_stub(), 1, r1, r3); | 684 __ IncrementCounter(counters->named_load_global_stub(), 1, r4, r6); |
827 __ Ret(); | 685 __ Ret(); |
828 | 686 |
829 FrontendFooter(name, &miss); | 687 FrontendFooter(name, &miss); |
830 | 688 |
831 // Return the generated code. | 689 // Return the generated code. |
832 return GetCode(kind(), Code::NORMAL, name); | 690 return GetCode(kind(), Code::NORMAL, name); |
833 } | 691 } |
834 | 692 |
835 | 693 |
836 #undef __ | 694 #undef __ |
837 } | 695 } |
838 } // namespace v8::internal | 696 } // namespace v8::internal |
839 | 697 |
840 #endif // V8_TARGET_ARCH_ARM | 698 #endif // V8_TARGET_ARCH_ARM |
OLD | NEW |