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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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