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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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| 2928 | 2928 |
| 2929 // Handle store cache miss. | 2929 // Handle store cache miss. |
| 2930 __ bind(&miss); | 2930 __ bind(&miss); |
| 2931 TailCallBuiltin(masm(), MissBuiltin(kind())); | 2931 TailCallBuiltin(masm(), MissBuiltin(kind())); |
| 2932 | 2932 |
| 2933 // Return the generated code. | 2933 // Return the generated code. |
| 2934 return GetCode(kind(), Code::INTERCEPTOR, name); | 2934 return GetCode(kind(), Code::INTERCEPTOR, name); |
| 2935 } | 2935 } |
| 2936 | 2936 |
| 2937 | 2937 |
| 2938 Handle<Code> StoreStubCompiler::CompileStoreGlobal( | |
| 2939 Handle<GlobalObject> object, | |
| 2940 Handle<PropertyCell> cell, | |
| 2941 Handle<Name> name) { | |
| 2942 Label miss; | |
| 2943 | |
| 2944 // Check that the map of the global has not changed. | |
| 2945 __ lw(scratch1(), FieldMemOperand(receiver(), HeapObject::kMapOffset)); | |
| 2946 __ Branch(&miss, ne, scratch1(), Operand(Handle<Map>(object->map()))); | |
| 2947 | |
| 2948 // Check that the value in the cell is not the hole. If it is, this | |
| 2949 // cell could have been deleted and reintroducing the global needs | |
| 2950 // to update the property details in the property dictionary of the | |
| 2951 // global object. We bail out to the runtime system to do that. | |
| 2952 __ li(scratch1(), Operand(cell)); | |
| 2953 __ LoadRoot(scratch2(), Heap::kTheHoleValueRootIndex); | |
| 2954 __ lw(scratch3(), FieldMemOperand(scratch1(), Cell::kValueOffset)); | |
| 2955 __ Branch(&miss, eq, scratch3(), Operand(scratch2())); | |
| 2956 | |
| 2957 // Store the value in the cell. | |
| 2958 __ sw(value(), FieldMemOperand(scratch1(), Cell::kValueOffset)); | |
| 2959 __ mov(v0, a0); // Stored value must be returned in v0. | |
| 2960 // Cells are always rescanned, so no write barrier here. | |
| 2961 | |
| 2962 Counters* counters = isolate()->counters(); | |
| 2963 __ IncrementCounter( | |
| 2964 counters->named_store_global_inline(), 1, scratch1(), scratch2()); | |
| 2965 __ Ret(); | |
| 2966 | |
| 2967 // Handle store cache miss. | |
| 2968 __ bind(&miss); | |
| 2969 __ IncrementCounter( | |
| 2970 counters->named_store_global_inline_miss(), 1, scratch1(), scratch2()); | |
| 2971 TailCallBuiltin(masm(), MissBuiltin(kind())); | |
| 2972 | |
| 2973 // Return the generated code. | |
| 2974 return GetICCode(kind(), Code::NORMAL, name); | |
| 2975 } | |
| 2976 | |
| 2977 | |
| 2978 Handle<Code> LoadStubCompiler::CompileLoadNonexistent( | 2938 Handle<Code> LoadStubCompiler::CompileLoadNonexistent( |
| 2979 Handle<JSObject> object, | 2939 Handle<JSObject> object, |
| 2980 Handle<JSObject> last, | 2940 Handle<JSObject> last, |
| 2981 Handle<Name> name, | 2941 Handle<Name> name, |
| 2982 Handle<GlobalObject> global) { | 2942 Handle<GlobalObject> global) { |
| 2983 Label success; | 2943 Label success; |
| 2984 | 2944 |
| 2985 NonexistentHandlerFrontend(object, last, name, &success, global); | 2945 NonexistentHandlerFrontend(object, last, name, &success, global); |
| 2986 | 2946 |
| 2987 __ bind(&success); | 2947 __ bind(&success); |
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| 3224 // ----------------------------------- | 3184 // ----------------------------------- |
| 3225 TailCallBuiltin(masm, Builtins::kKeyedLoadIC_MissForceGeneric); | 3185 TailCallBuiltin(masm, Builtins::kKeyedLoadIC_MissForceGeneric); |
| 3226 } | 3186 } |
| 3227 | 3187 |
| 3228 | 3188 |
| 3229 #undef __ | 3189 #undef __ |
| 3230 | 3190 |
| 3231 } } // namespace v8::internal | 3191 } } // namespace v8::internal |
| 3232 | 3192 |
| 3233 #endif // V8_TARGET_ARCH_MIPS | 3193 #endif // V8_TARGET_ARCH_MIPS |
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