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Issue 153773002: A64: Synchronize with r16679. (Closed) Base URL: https://v8.googlecode.com/svn/branches/experimental/a64
Patch Set: Created 6 years, 10 months ago
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1 // Copyright 2013 the V8 project authors. All rights reserved. 1 // Copyright 2013 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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2970 2970
2971 // Handle store cache miss. 2971 // Handle store cache miss.
2972 __ Bind(&miss); 2972 __ Bind(&miss);
2973 TailCallBuiltin(masm(), MissBuiltin(kind())); 2973 TailCallBuiltin(masm(), MissBuiltin(kind()));
2974 2974
2975 // Return the generated code. 2975 // Return the generated code.
2976 return GetCode(kind(), Code::INTERCEPTOR, name); 2976 return GetCode(kind(), Code::INTERCEPTOR, name);
2977 } 2977 }
2978 2978
2979 2979
2980 Handle<Code> StoreStubCompiler::CompileStoreGlobal(
2981 Handle<GlobalObject> object,
2982 Handle<PropertyCell> cell,
2983 Handle<Name> name) {
2984 Label miss;
2985
2986 ASM_LOCATION("StoreStubCompiler::CompileStoreGlobal");
2987
2988 // Check that the map of the global has not changed.
2989 __ Ldr(scratch1(), FieldMemOperand(receiver(), HeapObject::kMapOffset));
2990 __ Cmp(scratch1(), Operand(Handle<Map>(object->map())));
2991 __ B(ne, &miss);
2992
2993 // Check that the value in the cell is not the hole. If it is, this
2994 // cell could have been deleted and reintroducing the global needs
2995 // to update the property details in the property dictionary of the
2996 // global object. We bail out to the runtime system to do that.
2997 __ Mov(scratch1(), Operand(cell));
2998 __ Ldr(scratch2(), FieldMemOperand(scratch1(),
2999 Cell::kValueOffset));
3000 __ JumpIfRoot(scratch2(), Heap::kTheHoleValueRootIndex, &miss);
3001
3002 // Store the value in the cell.
3003 __ Str(value(), FieldMemOperand(scratch1(),
3004 Cell::kValueOffset));
3005 // Cells are always rescanned, so no write barrier here.
3006
3007 Counters* counters = isolate()->counters();
3008 __ IncrementCounter(counters->named_store_global_inline(), 1,
3009 scratch1(), scratch2());
3010 __ Ret();
3011
3012 // Handle store cache miss.
3013 __ Bind(&miss);
3014 __ IncrementCounter(counters->named_store_global_inline_miss(), 1,
3015 scratch1(), scratch2());
3016 TailCallBuiltin(masm(), MissBuiltin(kind()));
3017
3018 // Return the generated code.
3019 return GetICCode(kind(), Code::NORMAL, name);
3020 }
3021
3022
3023 Handle<Code> LoadStubCompiler::CompileLoadNonexistent( 2980 Handle<Code> LoadStubCompiler::CompileLoadNonexistent(
3024 Handle<JSObject> object, 2981 Handle<JSObject> object,
3025 Handle<JSObject> last, 2982 Handle<JSObject> last,
3026 Handle<Name> name, 2983 Handle<Name> name,
3027 Handle<GlobalObject> global) { 2984 Handle<GlobalObject> global) {
3028 Label success; 2985 Label success;
3029 NonexistentHandlerFrontend(object, last, name, &success, global); 2986 NonexistentHandlerFrontend(object, last, name, &success, global);
3030 2987
3031 __ Bind(&success); 2988 __ Bind(&success);
3032 // Return undefined if maps of the full prototype chain are still the 2989 // Return undefined if maps of the full prototype chain are still the
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3282 3239
3283 // Miss case, call the runtime. 3240 // Miss case, call the runtime.
3284 __ Bind(&miss_force_generic); 3241 __ Bind(&miss_force_generic);
3285 TailCallBuiltin(masm, Builtins::kKeyedLoadIC_MissForceGeneric); 3242 TailCallBuiltin(masm, Builtins::kKeyedLoadIC_MissForceGeneric);
3286 } 3243 }
3287 3244
3288 3245
3289 } } // namespace v8::internal 3246 } } // namespace v8::internal
3290 3247
3291 #endif // V8_TARGET_ARCH_A64 3248 #endif // V8_TARGET_ARCH_A64
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