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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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949 | 949 |
950 void LoadIC::GenerateMegamorphic(MacroAssembler* masm, | 950 void LoadIC::GenerateMegamorphic(MacroAssembler* masm, |
951 ExtraICState extra_state) { | 951 ExtraICState extra_state) { |
952 // ----------- S t a t e ------------- | 952 // ----------- S t a t e ------------- |
953 // -- ecx : name | 953 // -- ecx : name |
954 // -- edx : receiver | 954 // -- edx : receiver |
955 // -- esp[0] : return address | 955 // -- esp[0] : return address |
956 // ----------------------------------- | 956 // ----------------------------------- |
957 | 957 |
958 // Probe the stub cache. | 958 // Probe the stub cache. |
959 Code::Flags flags = Code::ComputeFlags( | 959 Code::Flags flags = Code::ComputeHandlerFlags(Code::LOAD_IC, extra_state); |
960 Code::HANDLER, MONOMORPHIC, extra_state, | |
961 Code::NORMAL, Code::LOAD_IC); | |
962 masm->isolate()->stub_cache()->GenerateProbe( | 960 masm->isolate()->stub_cache()->GenerateProbe( |
963 masm, flags, edx, ecx, ebx, eax); | 961 masm, flags, edx, ecx, ebx, eax); |
964 | 962 |
965 // Cache miss: Jump to runtime. | 963 // Cache miss: Jump to runtime. |
966 GenerateMiss(masm); | 964 GenerateMiss(masm); |
967 } | 965 } |
968 | 966 |
969 | 967 |
970 void LoadIC::GenerateNormal(MacroAssembler* masm) { | 968 void LoadIC::GenerateNormal(MacroAssembler* masm) { |
971 // ----------- S t a t e ------------- | 969 // ----------- S t a t e ------------- |
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1058 __ push(edx); // receiver | 1056 __ push(edx); // receiver |
1059 __ push(ecx); // name | 1057 __ push(ecx); // name |
1060 __ push(ebx); // return address | 1058 __ push(ebx); // return address |
1061 | 1059 |
1062 // Perform tail call to the entry. | 1060 // Perform tail call to the entry. |
1063 __ TailCallRuntime(Runtime::kKeyedGetProperty, 2, 1); | 1061 __ TailCallRuntime(Runtime::kKeyedGetProperty, 2, 1); |
1064 } | 1062 } |
1065 | 1063 |
1066 | 1064 |
1067 void StoreIC::GenerateMegamorphic(MacroAssembler* masm, | 1065 void StoreIC::GenerateMegamorphic(MacroAssembler* masm, |
1068 ExtraICState extra_ic_state) { | 1066 ExtraICState extra_state) { |
1069 // ----------- S t a t e ------------- | 1067 // ----------- S t a t e ------------- |
1070 // -- eax : value | 1068 // -- eax : value |
1071 // -- ecx : name | 1069 // -- ecx : name |
1072 // -- edx : receiver | 1070 // -- edx : receiver |
1073 // -- esp[0] : return address | 1071 // -- esp[0] : return address |
1074 // ----------------------------------- | 1072 // ----------------------------------- |
1075 Code::Flags flags = Code::ComputeFlags( | 1073 Code::Flags flags = Code::ComputeHandlerFlags(Code::STORE_IC, extra_state); |
1076 Code::HANDLER, MONOMORPHIC, extra_ic_state, | |
1077 Code::NORMAL, Code::STORE_IC); | |
1078 masm->isolate()->stub_cache()->GenerateProbe( | 1074 masm->isolate()->stub_cache()->GenerateProbe( |
1079 masm, flags, edx, ecx, ebx, no_reg); | 1075 masm, flags, edx, ecx, ebx, no_reg); |
1080 | 1076 |
1081 // Cache miss: Jump to runtime. | 1077 // Cache miss: Jump to runtime. |
1082 GenerateMiss(masm); | 1078 GenerateMiss(masm); |
1083 } | 1079 } |
1084 | 1080 |
1085 | 1081 |
1086 void StoreIC::GenerateMiss(MacroAssembler* masm) { | 1082 void StoreIC::GenerateMiss(MacroAssembler* masm) { |
1087 // ----------- S t a t e ------------- | 1083 // ----------- S t a t e ------------- |
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1306 Condition cc = (check == ENABLE_INLINED_SMI_CHECK) | 1302 Condition cc = (check == ENABLE_INLINED_SMI_CHECK) |
1307 ? (*jmp_address == Assembler::kJncShortOpcode ? not_zero : zero) | 1303 ? (*jmp_address == Assembler::kJncShortOpcode ? not_zero : zero) |
1308 : (*jmp_address == Assembler::kJnzShortOpcode ? not_carry : carry); | 1304 : (*jmp_address == Assembler::kJnzShortOpcode ? not_carry : carry); |
1309 *jmp_address = static_cast<byte>(Assembler::kJccShortPrefix | cc); | 1305 *jmp_address = static_cast<byte>(Assembler::kJccShortPrefix | cc); |
1310 } | 1306 } |
1311 | 1307 |
1312 | 1308 |
1313 } } // namespace v8::internal | 1309 } } // namespace v8::internal |
1314 | 1310 |
1315 #endif // V8_TARGET_ARCH_IA32 | 1311 #endif // V8_TARGET_ARCH_IA32 |
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