Create a common subclass for arrays

src/x64/lithium-codegen-x64.cc

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1198 matching lines @@
 }
 
 
 void LCodeGen::DoJSArrayLength(LJSArrayLength* instr) {
   Register result = ToRegister(instr->result());
   Register array = ToRegister(instr->InputAt(0));
   __ movq(result, FieldOperand(array, JSArray::kLengthOffset));
 }
 
 
-void LCodeGen::DoFixedArrayLength(LFixedArrayLength* instr) {
+void LCodeGen::DoFixedArrayBaseLength(LFixedArrayBaseLength* instr) {
   Register result = ToRegister(instr->result());
   Register array = ToRegister(instr->InputAt(0));
-  __ movq(result, FieldOperand(array, FixedArray::kLengthOffset));
+  __ movq(result, FieldOperand(array, FixedArrayBase::kLengthOffset));
 }
 
 
-void LCodeGen::DoExternalArrayLength(LExternalArrayLength* instr) {
-  Register result = ToRegister(instr->result());
-  Register array = ToRegister(instr->InputAt(0));
-  __ movl(result, FieldOperand(array, ExternalPixelArray::kLengthOffset));
-}
-
-
 void LCodeGen::DoElementsKind(LElementsKind* instr) {
   Register result = ToRegister(instr->result());
   Register input = ToRegister(instr->InputAt(0));
 
   // Load map into |result|.
   __ movq(result, FieldOperand(input, HeapObject::kMapOffset));
   // Load the map's "bit field 2" into |result|. We only need the first byte.
   __ movzxbq(result, FieldOperand(result, Map::kBitField2Offset));
   // Retrieve elements_kind from bit field 2.
   __ and_(result, Immediate(Map::kElementsKindMask));
@@ skipping 2920 matching lines @@
   RegisterEnvironmentForDeoptimization(environment);
   ASSERT(osr_pc_offset_ == -1);
   osr_pc_offset_ = masm()->pc_offset();
 }
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64