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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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1150 ASSERT(!interceptor_holder->GetNamedInterceptor()->getter()->IsUndefined()); | 1150 ASSERT(!interceptor_holder->GetNamedInterceptor()->getter()->IsUndefined()); |
1151 | 1151 |
1152 // Check that the receiver isn't a smi. | 1152 // Check that the receiver isn't a smi. |
1153 __ JumpIfSmi(receiver, miss); | 1153 __ JumpIfSmi(receiver, miss); |
1154 | 1154 |
1155 // So far the most popular follow ups for interceptor loads are FIELD | 1155 // So far the most popular follow ups for interceptor loads are FIELD |
1156 // and CALLBACKS, so inline only them, other cases may be added | 1156 // and CALLBACKS, so inline only them, other cases may be added |
1157 // later. | 1157 // later. |
1158 bool compile_followup_inline = false; | 1158 bool compile_followup_inline = false; |
1159 if (lookup->IsFound() && lookup->IsCacheable()) { | 1159 if (lookup->IsFound() && lookup->IsCacheable()) { |
1160 if (lookup->type() == FIELD) { | 1160 if (lookup->IsField()) { |
1161 compile_followup_inline = true; | 1161 compile_followup_inline = true; |
1162 } else if (lookup->type() == CALLBACKS && | 1162 } else if (lookup->type() == CALLBACKS && |
1163 lookup->GetCallbackObject()->IsAccessorInfo()) { | 1163 lookup->GetCallbackObject()->IsAccessorInfo()) { |
1164 AccessorInfo* callback = AccessorInfo::cast(lookup->GetCallbackObject()); | 1164 AccessorInfo* callback = AccessorInfo::cast(lookup->GetCallbackObject()); |
1165 compile_followup_inline = callback->getter() != NULL && | 1165 compile_followup_inline = callback->getter() != NULL && |
1166 callback->IsCompatibleReceiver(*object); | 1166 callback->IsCompatibleReceiver(*object); |
1167 } | 1167 } |
1168 } | 1168 } |
1169 | 1169 |
1170 if (compile_followup_inline) { | 1170 if (compile_followup_inline) { |
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1235 holder_reg = CheckPrototypes(interceptor_holder, | 1235 holder_reg = CheckPrototypes(interceptor_holder, |
1236 holder_reg, | 1236 holder_reg, |
1237 Handle<JSObject>(lookup->holder()), | 1237 Handle<JSObject>(lookup->holder()), |
1238 scratch1, | 1238 scratch1, |
1239 scratch2, | 1239 scratch2, |
1240 scratch3, | 1240 scratch3, |
1241 name, | 1241 name, |
1242 miss); | 1242 miss); |
1243 } | 1243 } |
1244 | 1244 |
1245 if (lookup->type() == FIELD) { | 1245 if (lookup->IsField()) { |
1246 // We found FIELD property in prototype chain of interceptor's holder. | 1246 // We found FIELD property in prototype chain of interceptor's holder. |
1247 // Retrieve a field from field's holder. | 1247 // Retrieve a field from field's holder. |
1248 GenerateFastPropertyLoad(masm(), eax, holder_reg, | 1248 GenerateFastPropertyLoad(masm(), eax, holder_reg, |
1249 Handle<JSObject>(lookup->holder()), | 1249 Handle<JSObject>(lookup->holder()), |
1250 lookup->GetFieldIndex()); | 1250 lookup->GetFieldIndex()); |
1251 __ ret(0); | 1251 __ ret(0); |
1252 } else { | 1252 } else { |
1253 // We found CALLBACKS property in prototype chain of interceptor's | 1253 // We found CALLBACKS property in prototype chain of interceptor's |
1254 // holder. | 1254 // holder. |
1255 ASSERT(lookup->type() == CALLBACKS); | 1255 ASSERT(lookup->type() == CALLBACKS); |
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4238 __ jmp(ic_slow, RelocInfo::CODE_TARGET); | 4238 __ jmp(ic_slow, RelocInfo::CODE_TARGET); |
4239 } | 4239 } |
4240 } | 4240 } |
4241 | 4241 |
4242 | 4242 |
4243 #undef __ | 4243 #undef __ |
4244 | 4244 |
4245 } } // namespace v8::internal | 4245 } } // namespace v8::internal |
4246 | 4246 |
4247 #endif // V8_TARGET_ARCH_IA32 | 4247 #endif // V8_TARGET_ARCH_IA32 |
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