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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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1176 | 1176 |
1177 void StubCompiler::GenerateTailCall(MacroAssembler* masm, Handle<Code> code) { | 1177 void StubCompiler::GenerateTailCall(MacroAssembler* masm, Handle<Code> code) { |
1178 __ jmp(code, RelocInfo::CODE_TARGET); | 1178 __ jmp(code, RelocInfo::CODE_TARGET); |
1179 } | 1179 } |
1180 | 1180 |
1181 | 1181 |
1182 #undef __ | 1182 #undef __ |
1183 #define __ ACCESS_MASM(masm()) | 1183 #define __ ACCESS_MASM(masm()) |
1184 | 1184 |
1185 | 1185 |
1186 Register StubCompiler::CheckPrototypes(Handle<Type> type, | 1186 Register StubCompiler::CheckPrototypes(Handle<HeapType> type, |
1187 Register object_reg, | 1187 Register object_reg, |
1188 Handle<JSObject> holder, | 1188 Handle<JSObject> holder, |
1189 Register holder_reg, | 1189 Register holder_reg, |
1190 Register scratch1, | 1190 Register scratch1, |
1191 Register scratch2, | 1191 Register scratch2, |
1192 Handle<Name> name, | 1192 Handle<Name> name, |
1193 int save_at_depth, | 1193 int save_at_depth, |
1194 Label* miss, | 1194 Label* miss, |
1195 PrototypeCheckType check) { | 1195 PrototypeCheckType check) { |
1196 Handle<Map> receiver_map(IC::TypeToMap(*type, isolate())); | 1196 Handle<Map> receiver_map(IC::TypeToMap(*type, isolate())); |
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1324 Label success; | 1324 Label success; |
1325 __ jmp(&success); | 1325 __ jmp(&success); |
1326 GenerateRestoreName(masm(), miss, name); | 1326 GenerateRestoreName(masm(), miss, name); |
1327 TailCallBuiltin(masm(), MissBuiltin(kind())); | 1327 TailCallBuiltin(masm(), MissBuiltin(kind())); |
1328 __ bind(&success); | 1328 __ bind(&success); |
1329 } | 1329 } |
1330 } | 1330 } |
1331 | 1331 |
1332 | 1332 |
1333 Register LoadStubCompiler::CallbackHandlerFrontend( | 1333 Register LoadStubCompiler::CallbackHandlerFrontend( |
1334 Handle<Type> type, | 1334 Handle<HeapType> type, |
1335 Register object_reg, | 1335 Register object_reg, |
1336 Handle<JSObject> holder, | 1336 Handle<JSObject> holder, |
1337 Handle<Name> name, | 1337 Handle<Name> name, |
1338 Handle<Object> callback) { | 1338 Handle<Object> callback) { |
1339 Label miss; | 1339 Label miss; |
1340 | 1340 |
1341 Register reg = HandlerFrontendHeader(type, object_reg, holder, name, &miss); | 1341 Register reg = HandlerFrontendHeader(type, object_reg, holder, name, &miss); |
1342 | 1342 |
1343 if (!holder->HasFastProperties() && !holder->IsJSGlobalObject()) { | 1343 if (!holder->HasFastProperties() && !holder->IsJSGlobalObject()) { |
1344 ASSERT(!reg.is(scratch2())); | 1344 ASSERT(!reg.is(scratch2())); |
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2764 } | 2764 } |
2765 __ bind(&miss); | 2765 __ bind(&miss); |
2766 TailCallBuiltin(masm(), MissBuiltin(kind())); | 2766 TailCallBuiltin(masm(), MissBuiltin(kind())); |
2767 | 2767 |
2768 // Return the generated code. | 2768 // Return the generated code. |
2769 return GetICCode( | 2769 return GetICCode( |
2770 kind(), Code::NORMAL, factory()->empty_string(), POLYMORPHIC); | 2770 kind(), Code::NORMAL, factory()->empty_string(), POLYMORPHIC); |
2771 } | 2771 } |
2772 | 2772 |
2773 | 2773 |
2774 Handle<Code> LoadStubCompiler::CompileLoadNonexistent(Handle<Type> type, | 2774 Handle<Code> LoadStubCompiler::CompileLoadNonexistent(Handle<HeapType> type, |
2775 Handle<JSObject> last, | 2775 Handle<JSObject> last, |
2776 Handle<Name> name) { | 2776 Handle<Name> name) { |
2777 NonexistentHandlerFrontend(type, last, name); | 2777 NonexistentHandlerFrontend(type, last, name); |
2778 | 2778 |
2779 // Return undefined if maps of the full prototype chain are still the | 2779 // Return undefined if maps of the full prototype chain are still the |
2780 // same and no global property with this name contains a value. | 2780 // same and no global property with this name contains a value. |
2781 __ mov(eax, isolate()->factory()->undefined_value()); | 2781 __ mov(eax, isolate()->factory()->undefined_value()); |
2782 __ ret(0); | 2782 __ ret(0); |
2783 | 2783 |
2784 // Return the generated code. | 2784 // Return the generated code. |
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2858 } | 2858 } |
2859 __ ret(0); | 2859 __ ret(0); |
2860 } | 2860 } |
2861 | 2861 |
2862 | 2862 |
2863 #undef __ | 2863 #undef __ |
2864 #define __ ACCESS_MASM(masm()) | 2864 #define __ ACCESS_MASM(masm()) |
2865 | 2865 |
2866 | 2866 |
2867 Handle<Code> LoadStubCompiler::CompileLoadGlobal( | 2867 Handle<Code> LoadStubCompiler::CompileLoadGlobal( |
2868 Handle<Type> type, | 2868 Handle<HeapType> type, |
2869 Handle<GlobalObject> global, | 2869 Handle<GlobalObject> global, |
2870 Handle<PropertyCell> cell, | 2870 Handle<PropertyCell> cell, |
2871 Handle<Name> name, | 2871 Handle<Name> name, |
2872 bool is_dont_delete) { | 2872 bool is_dont_delete) { |
2873 Label miss; | 2873 Label miss; |
2874 | 2874 |
2875 HandlerFrontendHeader(type, receiver(), global, name, &miss); | 2875 HandlerFrontendHeader(type, receiver(), global, name, &miss); |
2876 // Get the value from the cell. | 2876 // Get the value from the cell. |
2877 if (Serializer::enabled()) { | 2877 if (Serializer::enabled()) { |
2878 __ mov(eax, Immediate(cell)); | 2878 __ mov(eax, Immediate(cell)); |
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2916 | 2916 |
2917 Label number_case; | 2917 Label number_case; |
2918 Label* smi_target = IncludesNumberType(types) ? &number_case : &miss; | 2918 Label* smi_target = IncludesNumberType(types) ? &number_case : &miss; |
2919 __ JumpIfSmi(receiver(), smi_target); | 2919 __ JumpIfSmi(receiver(), smi_target); |
2920 | 2920 |
2921 Register map_reg = scratch1(); | 2921 Register map_reg = scratch1(); |
2922 __ mov(map_reg, FieldOperand(receiver(), HeapObject::kMapOffset)); | 2922 __ mov(map_reg, FieldOperand(receiver(), HeapObject::kMapOffset)); |
2923 int receiver_count = types->length(); | 2923 int receiver_count = types->length(); |
2924 int number_of_handled_maps = 0; | 2924 int number_of_handled_maps = 0; |
2925 for (int current = 0; current < receiver_count; ++current) { | 2925 for (int current = 0; current < receiver_count; ++current) { |
2926 Handle<Type> type = types->at(current); | 2926 Handle<HeapType> type = types->at(current); |
2927 Handle<Map> map = IC::TypeToMap(*type, isolate()); | 2927 Handle<Map> map = IC::TypeToMap(*type, isolate()); |
2928 if (!map->is_deprecated()) { | 2928 if (!map->is_deprecated()) { |
2929 number_of_handled_maps++; | 2929 number_of_handled_maps++; |
2930 __ cmp(map_reg, map); | 2930 __ cmp(map_reg, map); |
2931 if (type->Is(Type::Number())) { | 2931 if (type->Is(HeapType::Number())) { |
2932 ASSERT(!number_case.is_unused()); | 2932 ASSERT(!number_case.is_unused()); |
2933 __ bind(&number_case); | 2933 __ bind(&number_case); |
2934 } | 2934 } |
2935 __ j(equal, handlers->at(current)); | 2935 __ j(equal, handlers->at(current)); |
2936 } | 2936 } |
2937 } | 2937 } |
2938 ASSERT(number_of_handled_maps != 0); | 2938 ASSERT(number_of_handled_maps != 0); |
2939 | 2939 |
2940 __ bind(&miss); | 2940 __ bind(&miss); |
2941 TailCallBuiltin(masm(), MissBuiltin(kind())); | 2941 TailCallBuiltin(masm(), MissBuiltin(kind())); |
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2993 // ----------------------------------- | 2993 // ----------------------------------- |
2994 TailCallBuiltin(masm, Builtins::kKeyedLoadIC_Miss); | 2994 TailCallBuiltin(masm, Builtins::kKeyedLoadIC_Miss); |
2995 } | 2995 } |
2996 | 2996 |
2997 | 2997 |
2998 #undef __ | 2998 #undef __ |
2999 | 2999 |
3000 } } // namespace v8::internal | 3000 } } // namespace v8::internal |
3001 | 3001 |
3002 #endif // V8_TARGET_ARCH_IA32 | 3002 #endif // V8_TARGET_ARCH_IA32 |
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