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| 1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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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| 853 __ bind(&fast_double_without_map_check); | 853 __ bind(&fast_double_without_map_check); |
| 854 // If the value is a number, store it as a double in the FastDoubleElements | 854 // If the value is a number, store it as a double in the FastDoubleElements |
| 855 // array. | 855 // array. |
| 856 __ StoreNumberToDoubleElements(eax, ebx, ecx, edx, xmm0, &slow, false); | 856 __ StoreNumberToDoubleElements(eax, ebx, ecx, edx, xmm0, &slow, false); |
| 857 __ ret(0); | 857 __ ret(0); |
| 858 } | 858 } |
| 859 | 859 |
| 860 | 860 |
| 861 // The generated code does not accept smi keys. | 861 // The generated code does not accept smi keys. |
| 862 // The generated code falls through if both probes miss. | 862 // The generated code falls through if both probes miss. |
| 863 static void GenerateMonomorphicCacheProbe(MacroAssembler* masm, | 863 void CallICBase::GenerateMonomorphicCacheProbe(MacroAssembler* masm, |
| 864 int argc, | 864 int argc, |
| 865 Code::Kind kind, | 865 Code::Kind kind, |
| 866 Code::ExtraICState extra_ic_state) { | 866 Code::ExtraICState extra_state) { |
| 867 // ----------- S t a t e ------------- | 867 // ----------- S t a t e ------------- |
| 868 // -- ecx : name | 868 // -- ecx : name |
| 869 // -- edx : receiver | 869 // -- edx : receiver |
| 870 // ----------------------------------- | 870 // ----------------------------------- |
| 871 Label number, non_number, non_string, boolean, probe, miss; | 871 Label number, non_number, non_string, boolean, probe, miss; |
| 872 | 872 |
| 873 // Probe the stub cache. | 873 // Probe the stub cache. |
| 874 Code::Flags flags = Code::ComputeFlags(kind, | 874 Code::Flags flags = Code::ComputeFlags(kind, |
| 875 MONOMORPHIC, | 875 MONOMORPHIC, |
| 876 extra_ic_state, | 876 extra_state, |
| 877 NORMAL, | 877 NORMAL, |
| 878 argc); | 878 argc); |
| 879 Isolate::Current()->stub_cache()->GenerateProbe(masm, flags, edx, ecx, ebx, | 879 Isolate* isolate = masm->isolate(); |
| 880 eax); | 880 isolate->stub_cache()->GenerateProbe(masm, flags, edx, ecx, ebx, eax); |
| 881 | 881 |
| 882 // If the stub cache probing failed, the receiver might be a value. | 882 // If the stub cache probing failed, the receiver might be a value. |
| 883 // For value objects, we use the map of the prototype objects for | 883 // For value objects, we use the map of the prototype objects for |
| 884 // the corresponding JSValue for the cache and that is what we need | 884 // the corresponding JSValue for the cache and that is what we need |
| 885 // to probe. | 885 // to probe. |
| 886 // | 886 // |
| 887 // Check for number. | 887 // Check for number. |
| 888 __ JumpIfSmi(edx, &number); | 888 __ JumpIfSmi(edx, &number); |
| 889 __ CmpObjectType(edx, HEAP_NUMBER_TYPE, ebx); | 889 __ CmpObjectType(edx, HEAP_NUMBER_TYPE, ebx); |
| 890 __ j(not_equal, &non_number); | 890 __ j(not_equal, &non_number); |
| 891 __ bind(&number); | 891 __ bind(&number); |
| 892 StubCompiler::GenerateLoadGlobalFunctionPrototype( | 892 StubCompiler::GenerateLoadGlobalFunctionPrototype( |
| 893 masm, Context::NUMBER_FUNCTION_INDEX, edx); | 893 masm, Context::NUMBER_FUNCTION_INDEX, edx); |
| 894 __ jmp(&probe); | 894 __ jmp(&probe); |
| 895 | 895 |
| 896 // Check for string. | 896 // Check for string. |
| 897 __ bind(&non_number); | 897 __ bind(&non_number); |
| 898 __ CmpInstanceType(ebx, FIRST_NONSTRING_TYPE); | 898 __ CmpInstanceType(ebx, FIRST_NONSTRING_TYPE); |
| 899 __ j(above_equal, &non_string); | 899 __ j(above_equal, &non_string); |
| 900 StubCompiler::GenerateLoadGlobalFunctionPrototype( | 900 StubCompiler::GenerateLoadGlobalFunctionPrototype( |
| 901 masm, Context::STRING_FUNCTION_INDEX, edx); | 901 masm, Context::STRING_FUNCTION_INDEX, edx); |
| 902 __ jmp(&probe); | 902 __ jmp(&probe); |
| 903 | 903 |
| 904 // Check for boolean. | 904 // Check for boolean. |
| 905 __ bind(&non_string); | 905 __ bind(&non_string); |
| 906 __ cmp(edx, FACTORY->true_value()); | 906 __ cmp(edx, isolate->factory()->true_value()); |
| 907 __ j(equal, &boolean); | 907 __ j(equal, &boolean); |
| 908 __ cmp(edx, FACTORY->false_value()); | 908 __ cmp(edx, isolate->factory()->false_value()); |
| 909 __ j(not_equal, &miss); | 909 __ j(not_equal, &miss); |
| 910 __ bind(&boolean); | 910 __ bind(&boolean); |
| 911 StubCompiler::GenerateLoadGlobalFunctionPrototype( | 911 StubCompiler::GenerateLoadGlobalFunctionPrototype( |
| 912 masm, Context::BOOLEAN_FUNCTION_INDEX, edx); | 912 masm, Context::BOOLEAN_FUNCTION_INDEX, edx); |
| 913 | 913 |
| 914 // Probe the stub cache for the value object. | 914 // Probe the stub cache for the value object. |
| 915 __ bind(&probe); | 915 __ bind(&probe); |
| 916 Isolate::Current()->stub_cache()->GenerateProbe(masm, flags, edx, ecx, ebx, | 916 isolate->stub_cache()->GenerateProbe(masm, flags, edx, ecx, ebx, no_reg); |
| 917 no_reg); | |
| 918 __ bind(&miss); | 917 __ bind(&miss); |
| 919 } | 918 } |
| 920 | 919 |
| 921 | 920 |
| 922 static void GenerateFunctionTailCall(MacroAssembler* masm, | 921 static void GenerateFunctionTailCall(MacroAssembler* masm, |
| 923 int argc, | 922 int argc, |
| 924 Label* miss) { | 923 Label* miss) { |
| 925 // ----------- S t a t e ------------- | 924 // ----------- S t a t e ------------- |
| 926 // -- ecx : name | 925 // -- ecx : name |
| 927 // -- edi : function | 926 // -- edi : function |
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| 1037 __ InvokeFunction(edi, | 1036 __ InvokeFunction(edi, |
| 1038 actual, | 1037 actual, |
| 1039 JUMP_FUNCTION, | 1038 JUMP_FUNCTION, |
| 1040 NullCallWrapper(), | 1039 NullCallWrapper(), |
| 1041 call_kind); | 1040 call_kind); |
| 1042 } | 1041 } |
| 1043 | 1042 |
| 1044 | 1043 |
| 1045 void CallIC::GenerateMegamorphic(MacroAssembler* masm, | 1044 void CallIC::GenerateMegamorphic(MacroAssembler* masm, |
| 1046 int argc, | 1045 int argc, |
| 1047 Code::ExtraICState extra_ic_state) { | 1046 Code::ExtraICState extra_state) { |
| 1048 // ----------- S t a t e ------------- | 1047 // ----------- S t a t e ------------- |
| 1049 // -- ecx : name | 1048 // -- ecx : name |
| 1050 // -- esp[0] : return address | 1049 // -- esp[0] : return address |
| 1051 // -- esp[(argc - n) * 4] : arg[n] (zero-based) | 1050 // -- esp[(argc - n) * 4] : arg[n] (zero-based) |
| 1052 // -- ... | 1051 // -- ... |
| 1053 // -- esp[(argc + 1) * 4] : receiver | 1052 // -- esp[(argc + 1) * 4] : receiver |
| 1054 // ----------------------------------- | 1053 // ----------------------------------- |
| 1055 | 1054 |
| 1056 // Get the receiver of the function from the stack; 1 ~ return address. | 1055 // Get the receiver of the function from the stack; 1 ~ return address. |
| 1057 __ mov(edx, Operand(esp, (argc + 1) * kPointerSize)); | 1056 __ mov(edx, Operand(esp, (argc + 1) * kPointerSize)); |
| 1058 GenerateMonomorphicCacheProbe(masm, argc, Code::CALL_IC, extra_ic_state); | 1057 CallICBase::GenerateMonomorphicCacheProbe(masm, argc, Code::CALL_IC, |
| 1058 extra_state); |
| 1059 | 1059 |
| 1060 GenerateMiss(masm, argc, extra_ic_state); | 1060 GenerateMiss(masm, argc, extra_state); |
| 1061 } | 1061 } |
| 1062 | 1062 |
| 1063 | 1063 |
| 1064 void KeyedCallIC::GenerateMegamorphic(MacroAssembler* masm, int argc) { | 1064 void KeyedCallIC::GenerateMegamorphic(MacroAssembler* masm, int argc) { |
| 1065 // ----------- S t a t e ------------- | 1065 // ----------- S t a t e ------------- |
| 1066 // -- ecx : name | 1066 // -- ecx : name |
| 1067 // -- esp[0] : return address | 1067 // -- esp[0] : return address |
| 1068 // -- esp[(argc - n) * 4] : arg[n] (zero-based) | 1068 // -- esp[(argc - n) * 4] : arg[n] (zero-based) |
| 1069 // -- ... | 1069 // -- ... |
| 1070 // -- esp[(argc + 1) * 4] : receiver | 1070 // -- esp[(argc + 1) * 4] : receiver |
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| 1152 isolate->factory()->hash_table_map(), | 1152 isolate->factory()->hash_table_map(), |
| 1153 &lookup_monomorphic_cache, | 1153 &lookup_monomorphic_cache, |
| 1154 DONT_DO_SMI_CHECK); | 1154 DONT_DO_SMI_CHECK); |
| 1155 | 1155 |
| 1156 GenerateDictionaryLoad(masm, &slow_load, ebx, ecx, eax, edi, edi); | 1156 GenerateDictionaryLoad(masm, &slow_load, ebx, ecx, eax, edi, edi); |
| 1157 __ IncrementCounter(counters->keyed_call_generic_lookup_dict(), 1); | 1157 __ IncrementCounter(counters->keyed_call_generic_lookup_dict(), 1); |
| 1158 __ jmp(&do_call); | 1158 __ jmp(&do_call); |
| 1159 | 1159 |
| 1160 __ bind(&lookup_monomorphic_cache); | 1160 __ bind(&lookup_monomorphic_cache); |
| 1161 __ IncrementCounter(counters->keyed_call_generic_lookup_cache(), 1); | 1161 __ IncrementCounter(counters->keyed_call_generic_lookup_cache(), 1); |
| 1162 GenerateMonomorphicCacheProbe(masm, | 1162 CallICBase::GenerateMonomorphicCacheProbe(masm, argc, Code::KEYED_CALL_IC, |
| 1163 argc, | 1163 Code::kNoExtraICState); |
| 1164 Code::KEYED_CALL_IC, | |
| 1165 Code::kNoExtraICState); | |
| 1166 // Fall through on miss. | 1164 // Fall through on miss. |
| 1167 | 1165 |
| 1168 __ bind(&slow_call); | 1166 __ bind(&slow_call); |
| 1169 // This branch is taken if: | 1167 // This branch is taken if: |
| 1170 // - the receiver requires boxing or access check, | 1168 // - the receiver requires boxing or access check, |
| 1171 // - the key is neither smi nor symbol, | 1169 // - the key is neither smi nor symbol, |
| 1172 // - the value loaded is not a function, | 1170 // - the value loaded is not a function, |
| 1173 // - there is hope that the runtime will create a monomorphic call stub | 1171 // - there is hope that the runtime will create a monomorphic call stub |
| 1174 // that will get fetched next time. | 1172 // that will get fetched next time. |
| 1175 __ IncrementCounter(counters->keyed_call_generic_slow(), 1); | 1173 __ IncrementCounter(counters->keyed_call_generic_slow(), 1); |
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| 1678 Condition cc = *jmp_address == Assembler::kJncShortOpcode | 1676 Condition cc = *jmp_address == Assembler::kJncShortOpcode |
| 1679 ? not_zero | 1677 ? not_zero |
| 1680 : zero; | 1678 : zero; |
| 1681 *jmp_address = static_cast<byte>(Assembler::kJccShortPrefix | cc); | 1679 *jmp_address = static_cast<byte>(Assembler::kJccShortPrefix | cc); |
| 1682 } | 1680 } |
| 1683 | 1681 |
| 1684 | 1682 |
| 1685 } } // namespace v8::internal | 1683 } } // namespace v8::internal |
| 1686 | 1684 |
| 1687 #endif // V8_TARGET_ARCH_IA32 | 1685 #endif // V8_TARGET_ARCH_IA32 |
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