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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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| 2905 | 2905 |
| 2906 // Handle store cache miss. | 2906 // Handle store cache miss. |
| 2907 __ bind(&miss); | 2907 __ bind(&miss); |
| 2908 TailCallBuiltin(masm(), MissBuiltin(kind())); | 2908 TailCallBuiltin(masm(), MissBuiltin(kind())); |
| 2909 | 2909 |
| 2910 // Return the generated code. | 2910 // Return the generated code. |
| 2911 return GetCode(kind(), Code::INTERCEPTOR, name); | 2911 return GetCode(kind(), Code::INTERCEPTOR, name); |
| 2912 } | 2912 } |
| 2913 | 2913 |
| 2914 | 2914 |
| 2915 Handle<Code> StoreStubCompiler::CompileStoreGlobal( | |
| 2916 Handle<GlobalObject> object, | |
| 2917 Handle<PropertyCell> cell, | |
| 2918 Handle<Name> name) { | |
| 2919 Label miss; | |
| 2920 | |
| 2921 // Check that the map of the global has not changed. | |
| 2922 __ ldr(scratch1(), FieldMemOperand(receiver(), HeapObject::kMapOffset)); | |
| 2923 __ cmp(scratch1(), Operand(Handle<Map>(object->map()))); | |
| 2924 __ b(ne, &miss); | |
| 2925 | |
| 2926 // Check that the value in the cell is not the hole. If it is, this | |
| 2927 // cell could have been deleted and reintroducing the global needs | |
| 2928 // to update the property details in the property dictionary of the | |
| 2929 // global object. We bail out to the runtime system to do that. | |
| 2930 __ mov(scratch1(), Operand(cell)); | |
| 2931 __ LoadRoot(scratch2(), Heap::kTheHoleValueRootIndex); | |
| 2932 __ ldr(scratch3(), FieldMemOperand(scratch1(), Cell::kValueOffset)); | |
| 2933 __ cmp(scratch3(), scratch2()); | |
| 2934 __ b(eq, &miss); | |
| 2935 | |
| 2936 // Store the value in the cell. | |
| 2937 __ str(value(), FieldMemOperand(scratch1(), Cell::kValueOffset)); | |
| 2938 // Cells are always rescanned, so no write barrier here. | |
| 2939 | |
| 2940 Counters* counters = isolate()->counters(); | |
| 2941 __ IncrementCounter( | |
| 2942 counters->named_store_global_inline(), 1, scratch1(), scratch2()); | |
| 2943 __ Ret(); | |
| 2944 | |
| 2945 // Handle store cache miss. | |
| 2946 __ bind(&miss); | |
| 2947 __ IncrementCounter( | |
| 2948 counters->named_store_global_inline_miss(), 1, scratch1(), scratch2()); | |
| 2949 TailCallBuiltin(masm(), MissBuiltin(kind())); | |
| 2950 | |
| 2951 // Return the generated code. | |
| 2952 return GetICCode(kind(), Code::NORMAL, name); | |
| 2953 } | |
| 2954 | |
| 2955 | |
| 2956 Handle<Code> LoadStubCompiler::CompileLoadNonexistent( | 2915 Handle<Code> LoadStubCompiler::CompileLoadNonexistent( |
| 2957 Handle<JSObject> object, | 2916 Handle<JSObject> object, |
| 2958 Handle<JSObject> last, | 2917 Handle<JSObject> last, |
| 2959 Handle<Name> name, | 2918 Handle<Name> name, |
| 2960 Handle<GlobalObject> global) { | 2919 Handle<GlobalObject> global) { |
| 2961 Label success; | 2920 Label success; |
| 2962 | 2921 |
| 2963 NonexistentHandlerFrontend(object, last, name, &success, global); | 2922 NonexistentHandlerFrontend(object, last, name, &success, global); |
| 2964 | 2923 |
| 2965 __ bind(&success); | 2924 __ bind(&success); |
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| 3206 // ----------------------------------- | 3165 // ----------------------------------- |
| 3207 TailCallBuiltin(masm, Builtins::kKeyedLoadIC_MissForceGeneric); | 3166 TailCallBuiltin(masm, Builtins::kKeyedLoadIC_MissForceGeneric); |
| 3208 } | 3167 } |
| 3209 | 3168 |
| 3210 | 3169 |
| 3211 #undef __ | 3170 #undef __ |
| 3212 | 3171 |
| 3213 } } // namespace v8::internal | 3172 } } // namespace v8::internal |
| 3214 | 3173 |
| 3215 #endif // V8_TARGET_ARCH_ARM | 3174 #endif // V8_TARGET_ARCH_ARM |
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