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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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3064 CodeHandleList* handlers, | 3064 CodeHandleList* handlers, |
3065 Handle<Name> name, | 3065 Handle<Name> name, |
3066 Code::StubType type, | 3066 Code::StubType type, |
3067 IcCheckType check) { | 3067 IcCheckType check) { |
3068 Label miss; | 3068 Label miss; |
3069 | 3069 |
3070 if (check == PROPERTY) { | 3070 if (check == PROPERTY) { |
3071 GenerateNameCheck(name, this->name(), &miss); | 3071 GenerateNameCheck(name, this->name(), &miss); |
3072 } | 3072 } |
3073 | 3073 |
3074 __ JumpIfSmi(receiver(), &miss); | 3074 Label number_case; |
| 3075 Label* smi_target = HasHeapNumberMap(receiver_maps) ? &number_case : &miss; |
| 3076 __ JumpIfSmi(receiver(), smi_target); |
| 3077 |
3075 Register map_reg = scratch1(); | 3078 Register map_reg = scratch1(); |
3076 __ movq(map_reg, FieldOperand(receiver(), HeapObject::kMapOffset)); | 3079 __ movq(map_reg, FieldOperand(receiver(), HeapObject::kMapOffset)); |
3077 int receiver_count = receiver_maps->length(); | 3080 int receiver_count = receiver_maps->length(); |
3078 int number_of_handled_maps = 0; | 3081 int number_of_handled_maps = 0; |
| 3082 Handle<Map> heap_number_map = isolate()->factory()->heap_number_map(); |
3079 for (int current = 0; current < receiver_count; ++current) { | 3083 for (int current = 0; current < receiver_count; ++current) { |
3080 Handle<Map> map = receiver_maps->at(current); | 3084 Handle<Map> map = receiver_maps->at(current); |
3081 if (!map->is_deprecated()) { | 3085 if (!map->is_deprecated()) { |
3082 number_of_handled_maps++; | 3086 number_of_handled_maps++; |
3083 // Check map and tail call if there's a match | 3087 // Check map and tail call if there's a match |
3084 __ Cmp(map_reg, receiver_maps->at(current)); | 3088 __ Cmp(map_reg, receiver_maps->at(current)); |
| 3089 if (map.is_identical_to(heap_number_map)) { |
| 3090 ASSERT(!number_case.is_unused()); |
| 3091 __ bind(&number_case); |
| 3092 } |
3085 __ j(equal, handlers->at(current), RelocInfo::CODE_TARGET); | 3093 __ j(equal, handlers->at(current), RelocInfo::CODE_TARGET); |
3086 } | 3094 } |
3087 } | 3095 } |
3088 ASSERT(number_of_handled_maps > 0); | 3096 ASSERT(number_of_handled_maps > 0); |
3089 | 3097 |
3090 __ bind(&miss); | 3098 __ bind(&miss); |
3091 TailCallBuiltin(masm(), MissBuiltin(kind())); | 3099 TailCallBuiltin(masm(), MissBuiltin(kind())); |
3092 | 3100 |
3093 // Return the generated code. | 3101 // Return the generated code. |
3094 InlineCacheState state = | 3102 InlineCacheState state = |
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3141 // ----------------------------------- | 3149 // ----------------------------------- |
3142 TailCallBuiltin(masm, Builtins::kKeyedLoadIC_MissForceGeneric); | 3150 TailCallBuiltin(masm, Builtins::kKeyedLoadIC_MissForceGeneric); |
3143 } | 3151 } |
3144 | 3152 |
3145 | 3153 |
3146 #undef __ | 3154 #undef __ |
3147 | 3155 |
3148 } } // namespace v8::internal | 3156 } } // namespace v8::internal |
3149 | 3157 |
3150 #endif // V8_TARGET_ARCH_X64 | 3158 #endif // V8_TARGET_ARCH_X64 |
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