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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 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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3144 | 3144 |
3145 | 3145 |
3146 Handle<Code> LoadStubCompiler::CompileLoadGlobal( | 3146 Handle<Code> LoadStubCompiler::CompileLoadGlobal( |
3147 Handle<JSObject> object, | 3147 Handle<JSObject> object, |
3148 Handle<GlobalObject> global, | 3148 Handle<GlobalObject> global, |
3149 Handle<PropertyCell> cell, | 3149 Handle<PropertyCell> cell, |
3150 Handle<Name> name, | 3150 Handle<Name> name, |
3151 bool is_dont_delete) { | 3151 bool is_dont_delete) { |
3152 Label success, miss; | 3152 Label success, miss; |
3153 | 3153 |
3154 __ CheckMap(receiver(), Handle<Map>(object->map()), &miss, DO_SMI_CHECK); | 3154 HandlerFrontendHeader(object, receiver(), global, name, &miss); |
3155 HandlerFrontendHeader( | |
3156 object, receiver(), Handle<JSObject>::cast(global), name, &miss); | |
3157 // Get the value from the cell. | 3155 // Get the value from the cell. |
3158 if (Serializer::enabled()) { | 3156 if (Serializer::enabled()) { |
3159 __ mov(eax, Immediate(cell)); | 3157 __ mov(eax, Immediate(cell)); |
3160 __ mov(eax, FieldOperand(eax, PropertyCell::kValueOffset)); | 3158 __ mov(eax, FieldOperand(eax, PropertyCell::kValueOffset)); |
3161 } else { | 3159 } else { |
3162 __ mov(eax, Operand::ForCell(cell)); | 3160 __ mov(eax, Operand::ForCell(cell)); |
3163 } | 3161 } |
3164 | 3162 |
3165 // Check for deleted property if property can actually be deleted. | 3163 // Check for deleted property if property can actually be deleted. |
3166 if (!is_dont_delete) { | 3164 if (!is_dont_delete) { |
3167 __ cmp(eax, factory()->the_hole_value()); | 3165 __ cmp(eax, factory()->the_hole_value()); |
3168 __ j(equal, &miss); | 3166 __ j(equal, &miss); |
3169 } else if (FLAG_debug_code) { | 3167 } else if (FLAG_debug_code) { |
3170 __ cmp(eax, factory()->the_hole_value()); | 3168 __ cmp(eax, factory()->the_hole_value()); |
3171 __ Check(not_equal, kDontDeleteCellsCannotContainTheHole); | 3169 __ Check(not_equal, kDontDeleteCellsCannotContainTheHole); |
3172 } | 3170 } |
3173 | 3171 |
3174 HandlerFrontendFooter(name, &success, &miss); | 3172 HandlerFrontendFooter(name, &success, &miss); |
3175 __ bind(&success); | 3173 __ bind(&success); |
3176 | 3174 |
3177 Counters* counters = isolate()->counters(); | 3175 Counters* counters = isolate()->counters(); |
3178 __ IncrementCounter(counters->named_load_global_stub(), 1); | 3176 __ IncrementCounter(counters->named_load_global_stub(), 1); |
3179 // The code above already loads the result into the return register. | 3177 // The code above already loads the result into the return register. |
3180 __ ret(0); | 3178 __ ret(0); |
3181 | 3179 |
3182 // Return the generated code. | 3180 // Return the generated code. |
3183 return GetICCode(kind(), Code::NORMAL, name); | 3181 return GetCode(kind(), Code::NORMAL, name); |
3184 } | 3182 } |
3185 | 3183 |
3186 | 3184 |
3187 Handle<Code> BaseLoadStoreStubCompiler::CompilePolymorphicIC( | 3185 Handle<Code> BaseLoadStoreStubCompiler::CompilePolymorphicIC( |
3188 MapHandleList* receiver_maps, | 3186 MapHandleList* receiver_maps, |
3189 CodeHandleList* handlers, | 3187 CodeHandleList* handlers, |
3190 Handle<Name> name, | 3188 Handle<Name> name, |
3191 Code::StubType type, | 3189 Code::StubType type, |
3192 IcCheckType check) { | 3190 IcCheckType check) { |
3193 Label miss; | 3191 Label miss; |
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3267 // ----------------------------------- | 3265 // ----------------------------------- |
3268 TailCallBuiltin(masm, Builtins::kKeyedLoadIC_MissForceGeneric); | 3266 TailCallBuiltin(masm, Builtins::kKeyedLoadIC_MissForceGeneric); |
3269 } | 3267 } |
3270 | 3268 |
3271 | 3269 |
3272 #undef __ | 3270 #undef __ |
3273 | 3271 |
3274 } } // namespace v8::internal | 3272 } } // namespace v8::internal |
3275 | 3273 |
3276 #endif // V8_TARGET_ARCH_IA32 | 3274 #endif // V8_TARGET_ARCH_IA32 |
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