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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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388 Code::Kind kind, | 388 Code::Kind kind, |
389 Code::ExtraICState extra_ic_state) { | 389 Code::ExtraICState extra_ic_state) { |
390 // ----------- S t a t e ------------- | 390 // ----------- S t a t e ------------- |
391 // -- a1 : receiver | 391 // -- a1 : receiver |
392 // -- a2 : name | 392 // -- a2 : name |
393 // ----------------------------------- | 393 // ----------------------------------- |
394 Label number, non_number, non_string, boolean, probe, miss; | 394 Label number, non_number, non_string, boolean, probe, miss; |
395 | 395 |
396 // Probe the stub cache. | 396 // Probe the stub cache. |
397 Code::Flags flags = Code::ComputeFlags(kind, | 397 Code::Flags flags = Code::ComputeFlags(kind, |
398 NOT_IN_LOOP, | |
399 MONOMORPHIC, | 398 MONOMORPHIC, |
400 extra_ic_state, | 399 extra_ic_state, |
401 NORMAL, | 400 NORMAL, |
402 argc); | 401 argc); |
403 Isolate::Current()->stub_cache()->GenerateProbe( | 402 Isolate::Current()->stub_cache()->GenerateProbe( |
404 masm, flags, a1, a2, a3, t0, t1); | 403 masm, flags, a1, a2, a3, t0, t1); |
405 | 404 |
406 // If the stub cache probing failed, the receiver might be a value. | 405 // If the stub cache probing failed, the receiver might be a value. |
407 // For value objects, we use the map of the prototype objects for | 406 // For value objects, we use the map of the prototype objects for |
408 // the corresponding JSValue for the cache and that is what we need | 407 // the corresponding JSValue for the cache and that is what we need |
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725 | 724 |
726 void LoadIC::GenerateMegamorphic(MacroAssembler* masm) { | 725 void LoadIC::GenerateMegamorphic(MacroAssembler* masm) { |
727 // ----------- S t a t e ------------- | 726 // ----------- S t a t e ------------- |
728 // -- a2 : name | 727 // -- a2 : name |
729 // -- ra : return address | 728 // -- ra : return address |
730 // -- a0 : receiver | 729 // -- a0 : receiver |
731 // -- sp[0] : receiver | 730 // -- sp[0] : receiver |
732 // ----------------------------------- | 731 // ----------------------------------- |
733 | 732 |
734 // Probe the stub cache. | 733 // Probe the stub cache. |
735 Code::Flags flags = Code::ComputeFlags(Code::LOAD_IC, | 734 Code::Flags flags = Code::ComputeFlags(Code::LOAD_IC, MONOMORPHIC); |
736 NOT_IN_LOOP, | |
737 MONOMORPHIC); | |
738 Isolate::Current()->stub_cache()->GenerateProbe( | 735 Isolate::Current()->stub_cache()->GenerateProbe( |
739 masm, flags, a0, a2, a3, t0, t1); | 736 masm, flags, a0, a2, a3, t0, t1); |
740 | 737 |
741 // Cache miss: Jump to runtime. | 738 // Cache miss: Jump to runtime. |
742 GenerateMiss(masm); | 739 GenerateMiss(masm); |
743 } | 740 } |
744 | 741 |
745 | 742 |
746 void LoadIC::GenerateNormal(MacroAssembler* masm) { | 743 void LoadIC::GenerateNormal(MacroAssembler* masm) { |
747 // ----------- S t a t e ------------- | 744 // ----------- S t a t e ------------- |
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1388 void StoreIC::GenerateMegamorphic(MacroAssembler* masm, | 1385 void StoreIC::GenerateMegamorphic(MacroAssembler* masm, |
1389 StrictModeFlag strict_mode) { | 1386 StrictModeFlag strict_mode) { |
1390 // ----------- S t a t e ------------- | 1387 // ----------- S t a t e ------------- |
1391 // -- a0 : value | 1388 // -- a0 : value |
1392 // -- a1 : receiver | 1389 // -- a1 : receiver |
1393 // -- a2 : name | 1390 // -- a2 : name |
1394 // -- ra : return address | 1391 // -- ra : return address |
1395 // ----------------------------------- | 1392 // ----------------------------------- |
1396 | 1393 |
1397 // Get the receiver from the stack and probe the stub cache. | 1394 // Get the receiver from the stack and probe the stub cache. |
1398 Code::Flags flags = Code::ComputeFlags(Code::STORE_IC, | 1395 Code::Flags flags = |
1399 NOT_IN_LOOP, | 1396 Code::ComputeFlags(Code::STORE_IC, MONOMORPHIC, strict_mode); |
1400 MONOMORPHIC, | |
1401 strict_mode); | |
1402 Isolate::Current()->stub_cache()->GenerateProbe( | 1397 Isolate::Current()->stub_cache()->GenerateProbe( |
1403 masm, flags, a1, a2, a3, t0, t1); | 1398 masm, flags, a1, a2, a3, t0, t1); |
1404 | 1399 |
1405 // Cache miss: Jump to runtime. | 1400 // Cache miss: Jump to runtime. |
1406 GenerateMiss(masm); | 1401 GenerateMiss(masm); |
1407 } | 1402 } |
1408 | 1403 |
1409 | 1404 |
1410 void StoreIC::GenerateMiss(MacroAssembler* masm) { | 1405 void StoreIC::GenerateMiss(MacroAssembler* masm) { |
1411 // ----------- S t a t e ------------- | 1406 // ----------- S t a t e ------------- |
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1631 Register reg = Register::from_code(Assembler::GetRs(instr_at_patch)); | 1626 Register reg = Register::from_code(Assembler::GetRs(instr_at_patch)); |
1632 patcher.masm()->andi(at, reg, kSmiTagMask); | 1627 patcher.masm()->andi(at, reg, kSmiTagMask); |
1633 patcher.ChangeBranchCondition(eq); | 1628 patcher.ChangeBranchCondition(eq); |
1634 } | 1629 } |
1635 } | 1630 } |
1636 | 1631 |
1637 | 1632 |
1638 } } // namespace v8::internal | 1633 } } // namespace v8::internal |
1639 | 1634 |
1640 #endif // V8_TARGET_ARCH_MIPS | 1635 #endif // V8_TARGET_ARCH_MIPS |
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