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1 // Copyright 2015 the V8 project authors. All rights reserved. | 1 // Copyright 2015 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 #if V8_TARGET_ARCH_S390 | 5 #if V8_TARGET_ARCH_S390 |
6 | 6 |
7 #include "src/ic/ic.h" | 7 #include "src/ic/ic.h" |
8 #include "src/codegen.h" | 8 #include "src/codegen.h" |
9 #include "src/ic/ic-compiler.h" | 9 #include "src/ic/ic-compiler.h" |
10 #include "src/ic/stub-cache.h" | 10 #include "src/ic/stub-cache.h" |
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618 Register elements_map = r8; | 618 Register elements_map = r8; |
619 Register elements = r9; // Elements array of the receiver. | 619 Register elements = r9; // Elements array of the receiver. |
620 // r6 and r7 are used as general scratch registers. | 620 // r6 and r7 are used as general scratch registers. |
621 | 621 |
622 // Check that the key is a smi. | 622 // Check that the key is a smi. |
623 __ JumpIfNotSmi(key, &maybe_name_key); | 623 __ JumpIfNotSmi(key, &maybe_name_key); |
624 // Check that the object isn't a smi. | 624 // Check that the object isn't a smi. |
625 __ JumpIfSmi(receiver, &slow); | 625 __ JumpIfSmi(receiver, &slow); |
626 // Get the map of the object. | 626 // Get the map of the object. |
627 __ LoadP(receiver_map, FieldMemOperand(receiver, HeapObject::kMapOffset)); | 627 __ LoadP(receiver_map, FieldMemOperand(receiver, HeapObject::kMapOffset)); |
628 // Check that the receiver does not require access checks and is not observed. | 628 // Check that the receiver does not require access checks. |
629 // The generic stub does not perform map checks or handle observed objects. | 629 // The generic stub does not perform map checks. |
630 __ LoadlB(ip, FieldMemOperand(receiver_map, Map::kBitFieldOffset)); | 630 __ LoadlB(ip, FieldMemOperand(receiver_map, Map::kBitFieldOffset)); |
631 __ AndP(r0, ip, | 631 __ AndP(r0, ip, Operand(1 << Map::kIsAccessCheckNeeded)); |
632 Operand(1 << Map::kIsAccessCheckNeeded | 1 << Map::kIsObserved)); | |
633 __ bne(&slow, Label::kNear); | 632 __ bne(&slow, Label::kNear); |
634 // Check if the object is a JS array or not. | 633 // Check if the object is a JS array or not. |
635 __ LoadlB(r6, FieldMemOperand(receiver_map, Map::kInstanceTypeOffset)); | 634 __ LoadlB(r6, FieldMemOperand(receiver_map, Map::kInstanceTypeOffset)); |
636 __ CmpP(r6, Operand(JS_ARRAY_TYPE)); | 635 __ CmpP(r6, Operand(JS_ARRAY_TYPE)); |
637 __ beq(&array); | 636 __ beq(&array); |
638 // Check that the object is some kind of JSObject. | 637 // Check that the object is some kind of JSObject. |
639 __ CmpP(r6, Operand(FIRST_JS_OBJECT_TYPE)); | 638 __ CmpP(r6, Operand(FIRST_JS_OBJECT_TYPE)); |
640 __ blt(&slow, Label::kNear); | 639 __ blt(&slow, Label::kNear); |
641 | 640 |
642 // Object case: Check key against length in the elements array. | 641 // Object case: Check key against length in the elements array. |
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888 patcher.masm()->brcl(cc, Operand((branch_instr & 0xffffffff) << 1)); | 887 patcher.masm()->brcl(cc, Operand((branch_instr & 0xffffffff) << 1)); |
889 } else { | 888 } else { |
890 DCHECK(false); | 889 DCHECK(false); |
891 } | 890 } |
892 } | 891 } |
893 | 892 |
894 } // namespace internal | 893 } // namespace internal |
895 } // namespace v8 | 894 } // namespace v8 |
896 | 895 |
897 #endif // V8_TARGET_ARCH_S390 | 896 #endif // V8_TARGET_ARCH_S390 |
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