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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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_X64 | 7 #if V8_TARGET_ARCH_X64 |
8 | 8 |
9 #include "src/arguments.h" | 9 #include "src/arguments.h" |
10 #include "src/codegen.h" | 10 #include "src/codegen.h" |
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1173 } | 1173 } |
1174 __ ret(0); | 1174 __ ret(0); |
1175 } | 1175 } |
1176 | 1176 |
1177 | 1177 |
1178 #undef __ | 1178 #undef __ |
1179 #define __ ACCESS_MASM(masm()) | 1179 #define __ ACCESS_MASM(masm()) |
1180 | 1180 |
1181 | 1181 |
1182 Handle<Code> NamedLoadHandlerCompiler::CompileLoadGlobal( | 1182 Handle<Code> NamedLoadHandlerCompiler::CompileLoadGlobal( |
1183 Handle<PropertyCell> cell, Handle<Name> name, bool is_dont_delete) { | 1183 Handle<PropertyCell> cell, Handle<Name> name, bool is_configurable) { |
1184 Label miss; | 1184 Label miss; |
1185 FrontendHeader(receiver(), name, &miss); | 1185 FrontendHeader(receiver(), name, &miss); |
1186 | 1186 |
1187 // Get the value from the cell. | 1187 // Get the value from the cell. |
1188 Register result = StoreIC::ValueRegister(); | 1188 Register result = StoreIC::ValueRegister(); |
1189 __ Move(result, cell); | 1189 __ Move(result, cell); |
1190 __ movp(result, FieldOperand(result, PropertyCell::kValueOffset)); | 1190 __ movp(result, FieldOperand(result, PropertyCell::kValueOffset)); |
1191 | 1191 |
1192 // Check for deleted property if property can actually be deleted. | 1192 // Check for deleted property if property can actually be deleted. |
1193 if (!is_dont_delete) { | 1193 if (is_configurable) { |
1194 __ CompareRoot(result, Heap::kTheHoleValueRootIndex); | 1194 __ CompareRoot(result, Heap::kTheHoleValueRootIndex); |
1195 __ j(equal, &miss); | 1195 __ j(equal, &miss); |
1196 } else if (FLAG_debug_code) { | 1196 } else if (FLAG_debug_code) { |
1197 __ CompareRoot(result, Heap::kTheHoleValueRootIndex); | 1197 __ CompareRoot(result, Heap::kTheHoleValueRootIndex); |
1198 __ Check(not_equal, kDontDeleteCellsCannotContainTheHole); | 1198 __ Check(not_equal, kDontDeleteCellsCannotContainTheHole); |
1199 } | 1199 } |
1200 | 1200 |
1201 Counters* counters = isolate()->counters(); | 1201 Counters* counters = isolate()->counters(); |
1202 __ IncrementCounter(counters->named_load_global_stub(), 1); | 1202 __ IncrementCounter(counters->named_load_global_stub(), 1); |
1203 __ ret(0); | 1203 __ ret(0); |
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1311 // ----------------------------------- | 1311 // ----------------------------------- |
1312 TailCallBuiltin(masm, Builtins::kKeyedLoadIC_Miss); | 1312 TailCallBuiltin(masm, Builtins::kKeyedLoadIC_Miss); |
1313 } | 1313 } |
1314 | 1314 |
1315 | 1315 |
1316 #undef __ | 1316 #undef __ |
1317 | 1317 |
1318 } } // namespace v8::internal | 1318 } } // namespace v8::internal |
1319 | 1319 |
1320 #endif // V8_TARGET_ARCH_X64 | 1320 #endif // V8_TARGET_ARCH_X64 |
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