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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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341 | 341 |
342 void LoadIC::GenerateMegamorphic(MacroAssembler* masm, | 342 void LoadIC::GenerateMegamorphic(MacroAssembler* masm, |
343 ExtraICState extra_state) { | 343 ExtraICState extra_state) { |
344 // ----------- S t a t e ------------- | 344 // ----------- S t a t e ------------- |
345 // -- a2 : name | 345 // -- a2 : name |
346 // -- ra : return address | 346 // -- ra : return address |
347 // -- a0 : receiver | 347 // -- a0 : receiver |
348 // ----------------------------------- | 348 // ----------------------------------- |
349 | 349 |
350 // Probe the stub cache. | 350 // Probe the stub cache. |
351 Code::Flags flags = Code::ComputeFlags( | 351 Code::Flags flags = Code::ComputeHandlerFlags(Code::LOAD_IC, extra_state); |
352 Code::HANDLER, MONOMORPHIC, extra_state, | |
353 Code::NORMAL, Code::LOAD_IC); | |
354 masm->isolate()->stub_cache()->GenerateProbe( | 352 masm->isolate()->stub_cache()->GenerateProbe( |
355 masm, flags, a0, a2, a3, t0, t1, t2); | 353 masm, flags, a0, a2, a3, t0, t1, t2); |
356 | 354 |
357 // Cache miss: Jump to runtime. | 355 // Cache miss: Jump to runtime. |
358 GenerateMiss(masm); | 356 GenerateMiss(masm); |
359 } | 357 } |
360 | 358 |
361 | 359 |
362 void LoadIC::GenerateNormal(MacroAssembler* masm) { | 360 void LoadIC::GenerateNormal(MacroAssembler* masm) { |
363 // ----------- S t a t e ------------- | 361 // ----------- S t a t e ------------- |
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1175 // The slow case calls into the runtime to complete the store without causing | 1173 // The slow case calls into the runtime to complete the store without causing |
1176 // an IC miss that would otherwise cause a transition to the generic stub. | 1174 // an IC miss that would otherwise cause a transition to the generic stub. |
1177 ExternalReference ref = | 1175 ExternalReference ref = |
1178 ExternalReference(IC_Utility(kKeyedStoreIC_Slow), masm->isolate()); | 1176 ExternalReference(IC_Utility(kKeyedStoreIC_Slow), masm->isolate()); |
1179 | 1177 |
1180 __ TailCallExternalReference(ref, 3, 1); | 1178 __ TailCallExternalReference(ref, 3, 1); |
1181 } | 1179 } |
1182 | 1180 |
1183 | 1181 |
1184 void StoreIC::GenerateMegamorphic(MacroAssembler* masm, | 1182 void StoreIC::GenerateMegamorphic(MacroAssembler* masm, |
1185 ExtraICState extra_ic_state) { | 1183 ExtraICState extra_state) { |
1186 // ----------- S t a t e ------------- | 1184 // ----------- S t a t e ------------- |
1187 // -- a0 : value | 1185 // -- a0 : value |
1188 // -- a1 : receiver | 1186 // -- a1 : receiver |
1189 // -- a2 : name | 1187 // -- a2 : name |
1190 // -- ra : return address | 1188 // -- ra : return address |
1191 // ----------------------------------- | 1189 // ----------------------------------- |
1192 | 1190 |
1193 // Get the receiver from the stack and probe the stub cache. | 1191 // Get the receiver from the stack and probe the stub cache. |
1194 Code::Flags flags = Code::ComputeFlags( | 1192 Code::Flags flags = Code::ComputeHandlerFlags(Code::STORE_IC, extra_state); |
1195 Code::HANDLER, MONOMORPHIC, extra_ic_state, | |
1196 Code::NORMAL, Code::STORE_IC); | |
1197 masm->isolate()->stub_cache()->GenerateProbe( | 1193 masm->isolate()->stub_cache()->GenerateProbe( |
1198 masm, flags, a1, a2, a3, t0, t1, t2); | 1194 masm, flags, a1, a2, a3, t0, t1, t2); |
1199 | 1195 |
1200 // Cache miss: Jump to runtime. | 1196 // Cache miss: Jump to runtime. |
1201 GenerateMiss(masm); | 1197 GenerateMiss(masm); |
1202 } | 1198 } |
1203 | 1199 |
1204 | 1200 |
1205 void StoreIC::GenerateMiss(MacroAssembler* masm) { | 1201 void StoreIC::GenerateMiss(MacroAssembler* masm) { |
1206 // ----------- S t a t e ------------- | 1202 // ----------- S t a t e ------------- |
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1353 } else { | 1349 } else { |
1354 ASSERT(Assembler::IsBne(branch_instr)); | 1350 ASSERT(Assembler::IsBne(branch_instr)); |
1355 patcher.ChangeBranchCondition(eq); | 1351 patcher.ChangeBranchCondition(eq); |
1356 } | 1352 } |
1357 } | 1353 } |
1358 | 1354 |
1359 | 1355 |
1360 } } // namespace v8::internal | 1356 } } // namespace v8::internal |
1361 | 1357 |
1362 #endif // V8_TARGET_ARCH_MIPS | 1358 #endif // V8_TARGET_ARCH_MIPS |
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