Extract LoadAccessor into a masm function.

src/arm64/macro-assembler-arm64.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_ARM64
 
 #include "src/base/bits.h"
 #include "src/base/division-by-constant.h"
@@ skipping 1435 matching lines @@
   And(dst, dst, Map::EnumLengthBits::kMask);
 }
 
 
 void MacroAssembler::EnumLengthSmi(Register dst, Register map) {
   EnumLengthUntagged(dst, map);
   SmiTag(dst, dst);
 }
 
 
+void MacroAssembler::LoadAccessor(Register dst, Register holder,
+                                  int accessor_index,
+                                  AccessorComponent accessor) {
+  Ldr(dst, FieldMemOperand(holder, HeapObject::kMapOffset));
+  LoadInstanceDescriptors(dst, dst);
+  Ldr(dst,
+      FieldMemOperand(dst, DescriptorArray::GetValueOffset(accessor_index)));
+  int offset = accessor == ACCESSOR_GETTER ? AccessorPair::kGetterOffset
+                                           : AccessorPair::kSetterOffset;
+  Ldr(dst, FieldMemOperand(dst, offset));
+}
+
+
 void MacroAssembler::CheckEnumCache(Register object,
                                     Register null_value,
                                     Register scratch0,
                                     Register scratch1,
                                     Register scratch2,
                                     Register scratch3,
                                     Label* call_runtime) {
   DCHECK(!AreAliased(object, null_value, scratch0, scratch1, scratch2,
                      scratch3));
 
@@ skipping 3777 matching lines @@
   }
 }
 
 
 #undef __
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM64