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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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975 | 975 |
976 void LoadIC::GenerateMegamorphic(MacroAssembler* masm, | 976 void LoadIC::GenerateMegamorphic(MacroAssembler* masm, |
977 ExtraICState extra_state) { | 977 ExtraICState extra_state) { |
978 // ----------- S t a t e ------------- | 978 // ----------- S t a t e ------------- |
979 // -- rax : receiver | 979 // -- rax : receiver |
980 // -- rcx : name | 980 // -- rcx : name |
981 // -- rsp[0] : return address | 981 // -- rsp[0] : return address |
982 // ----------------------------------- | 982 // ----------------------------------- |
983 | 983 |
984 // Probe the stub cache. | 984 // Probe the stub cache. |
985 Code::Flags flags = Code::ComputeFlags( | 985 Code::Flags flags = Code::ComputeHandlerFlags(Code::LOAD_IC, extra_state); |
986 Code::HANDLER, MONOMORPHIC, extra_state, | |
987 Code::NORMAL, Code::LOAD_IC); | |
988 masm->isolate()->stub_cache()->GenerateProbe( | 986 masm->isolate()->stub_cache()->GenerateProbe( |
989 masm, flags, rax, rcx, rbx, rdx); | 987 masm, flags, rax, rcx, rbx, rdx); |
990 | 988 |
991 GenerateMiss(masm); | 989 GenerateMiss(masm); |
992 } | 990 } |
993 | 991 |
994 | 992 |
995 void LoadIC::GenerateNormal(MacroAssembler* masm) { | 993 void LoadIC::GenerateNormal(MacroAssembler* masm) { |
996 // ----------- S t a t e ------------- | 994 // ----------- S t a t e ------------- |
997 // -- rax : receiver | 995 // -- rax : receiver |
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1085 __ push(rdx); // receiver | 1083 __ push(rdx); // receiver |
1086 __ push(rax); // name | 1084 __ push(rax); // name |
1087 __ PushReturnAddressFrom(rbx); | 1085 __ PushReturnAddressFrom(rbx); |
1088 | 1086 |
1089 // Perform tail call to the entry. | 1087 // Perform tail call to the entry. |
1090 __ TailCallRuntime(Runtime::kKeyedGetProperty, 2, 1); | 1088 __ TailCallRuntime(Runtime::kKeyedGetProperty, 2, 1); |
1091 } | 1089 } |
1092 | 1090 |
1093 | 1091 |
1094 void StoreIC::GenerateMegamorphic(MacroAssembler* masm, | 1092 void StoreIC::GenerateMegamorphic(MacroAssembler* masm, |
1095 ExtraICState extra_ic_state) { | 1093 ExtraICState extra_state) { |
1096 // ----------- S t a t e ------------- | 1094 // ----------- S t a t e ------------- |
1097 // -- rax : value | 1095 // -- rax : value |
1098 // -- rcx : name | 1096 // -- rcx : name |
1099 // -- rdx : receiver | 1097 // -- rdx : receiver |
1100 // -- rsp[0] : return address | 1098 // -- rsp[0] : return address |
1101 // ----------------------------------- | 1099 // ----------------------------------- |
1102 | 1100 |
1103 // Get the receiver from the stack and probe the stub cache. | 1101 // Get the receiver from the stack and probe the stub cache. |
1104 Code::Flags flags = Code::ComputeFlags( | 1102 Code::Flags flags = Code::ComputeHandlerFlags(Code::STORE_IC, extra_state); |
1105 Code::HANDLER, MONOMORPHIC, extra_ic_state, | |
1106 Code::NORMAL, Code::STORE_IC); | |
1107 masm->isolate()->stub_cache()->GenerateProbe( | 1103 masm->isolate()->stub_cache()->GenerateProbe( |
1108 masm, flags, rdx, rcx, rbx, no_reg); | 1104 masm, flags, rdx, rcx, rbx, no_reg); |
1109 | 1105 |
1110 // Cache miss: Jump to runtime. | 1106 // Cache miss: Jump to runtime. |
1111 GenerateMiss(masm); | 1107 GenerateMiss(masm); |
1112 } | 1108 } |
1113 | 1109 |
1114 | 1110 |
1115 void StoreIC::GenerateMiss(MacroAssembler* masm) { | 1111 void StoreIC::GenerateMiss(MacroAssembler* masm) { |
1116 // ----------- S t a t e ------------- | 1112 // ----------- S t a t e ------------- |
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1327 Condition cc = (check == ENABLE_INLINED_SMI_CHECK) | 1323 Condition cc = (check == ENABLE_INLINED_SMI_CHECK) |
1328 ? (*jmp_address == Assembler::kJncShortOpcode ? not_zero : zero) | 1324 ? (*jmp_address == Assembler::kJncShortOpcode ? not_zero : zero) |
1329 : (*jmp_address == Assembler::kJnzShortOpcode ? not_carry : carry); | 1325 : (*jmp_address == Assembler::kJnzShortOpcode ? not_carry : carry); |
1330 *jmp_address = static_cast<byte>(Assembler::kJccShortPrefix | cc); | 1326 *jmp_address = static_cast<byte>(Assembler::kJccShortPrefix | cc); |
1331 } | 1327 } |
1332 | 1328 |
1333 | 1329 |
1334 } } // namespace v8::internal | 1330 } } // namespace v8::internal |
1335 | 1331 |
1336 #endif // V8_TARGET_ARCH_X64 | 1332 #endif // V8_TARGET_ARCH_X64 |
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