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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "src/v8.h" | 5 #include "src/v8.h" |
6 | 6 |
7 #if V8_TARGET_ARCH_ARM64 | 7 #if V8_TARGET_ARCH_ARM64 |
8 | 8 |
9 #include "src/ic/call-optimization.h" | 9 #include "src/ic/call-optimization.h" |
10 #include "src/ic/handler-compiler.h" | 10 #include "src/ic/handler-compiler.h" |
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541 | 541 |
542 // Go to the next object in the prototype chain. | 542 // Go to the next object in the prototype chain. |
543 current = prototype; | 543 current = prototype; |
544 current_map = handle(current->map()); | 544 current_map = handle(current->map()); |
545 } | 545 } |
546 | 546 |
547 // Log the check depth. | 547 // Log the check depth. |
548 LOG(isolate(), IntEvent("check-maps-depth", depth + 1)); | 548 LOG(isolate(), IntEvent("check-maps-depth", depth + 1)); |
549 | 549 |
550 // Check the holder map. | 550 // Check the holder map. |
551 if (!current_map->IsJSGlobalObjectMap() && | 551 if (depth != 0 || check == CHECK_ALL_MAPS) { |
552 (depth != 0 || check == CHECK_ALL_MAPS)) { | |
553 // Check the holder map. | 552 // Check the holder map. |
554 __ Ldr(scratch1, FieldMemOperand(reg, HeapObject::kMapOffset)); | 553 __ Ldr(scratch1, FieldMemOperand(reg, HeapObject::kMapOffset)); |
555 Handle<WeakCell> cell = Map::WeakCellForMap(current_map); | 554 Handle<WeakCell> cell = Map::WeakCellForMap(current_map); |
556 __ CmpWeakValue(scratch1, cell, scratch2); | 555 __ CmpWeakValue(scratch1, cell, scratch2); |
557 __ B(ne, miss); | 556 __ B(ne, miss); |
558 } | 557 } |
559 | 558 |
560 // Return the register containing the holder. | 559 // Return the register containing the holder. |
561 return reg; | 560 return reg; |
562 } | 561 } |
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762 // Return the generated code. | 761 // Return the generated code. |
763 return GetCode(kind(), Code::FAST, name); | 762 return GetCode(kind(), Code::FAST, name); |
764 } | 763 } |
765 | 764 |
766 | 765 |
767 #undef __ | 766 #undef __ |
768 } | 767 } |
769 } // namespace v8::internal | 768 } // namespace v8::internal |
770 | 769 |
771 #endif // V8_TARGET_ARCH_IA32 | 770 #endif // V8_TARGET_ARCH_IA32 |
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