MIPS: Convert KeyedLoad indexed interceptor case to a Handler.

src/ic/mips64/ic-mips64.cc

 // Copyright 2012 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_MIPS64
 
 #include "src/codegen.h"
@@ skipping 878 matching lines @@
   KeyedStoreGenerateGenericHelper(
       masm, &fast_object, &fast_double, &slow, kCheckMap, kDontIncrementLength,
       value, key, receiver, receiver_map, elements_map, elements);
   KeyedStoreGenerateGenericHelper(masm, &fast_object_grow, &fast_double_grow,
                                   &slow, kDontCheckMap, kIncrementLength, value,
                                   key, receiver, receiver_map, elements_map,
                                   elements);
 }
 
 
-void KeyedLoadIC::GenerateIndexedInterceptor(MacroAssembler* masm) {
-  // Return address is in ra.
-  Label slow;
-
-  Register receiver = LoadDescriptor::ReceiverRegister();
-  Register key = LoadDescriptor::NameRegister();
-  Register scratch1 = a3;
-  Register scratch2 = a4;
-  DCHECK(!scratch1.is(receiver) && !scratch1.is(key));
-  DCHECK(!scratch2.is(receiver) && !scratch2.is(key));
-
-  // Check that the receiver isn't a smi.
-  __ JumpIfSmi(receiver, &slow);
-
-  // Check that the key is an array index, that is Uint32.
-  __ And(a4, key, Operand(kSmiTagMask | kSmiSignMask));
-  __ Branch(&slow, ne, a4, Operand(zero_reg));
-
-  // Get the map of the receiver.
-  __ ld(scratch1, FieldMemOperand(receiver, HeapObject::kMapOffset));
-
-  // Check that it has indexed interceptor and access checks
-  // are not enabled for this object.
-  __ lbu(scratch2, FieldMemOperand(scratch1, Map::kBitFieldOffset));
-  __ And(scratch2, scratch2, Operand(kSlowCaseBitFieldMask));
-  __ Branch(&slow, ne, scratch2, Operand(1 << Map::kHasIndexedInterceptor));
-  // Everything is fine, call runtime.
-  __ Push(receiver, key);  // Receiver, key.
-
-  // Perform tail call to the entry.
-  __ TailCallExternalReference(
-      ExternalReference(IC_Utility(kLoadElementWithInterceptor),
-                        masm->isolate()),
-      2, 1);
-
-  __ bind(&slow);
-  GenerateMiss(masm);
-}
-
-
 void KeyedStoreIC::GenerateMiss(MacroAssembler* masm) {
   // Push receiver, key and value for runtime call.
   __ Push(StoreDescriptor::ReceiverRegister(), StoreDescriptor::NameRegister(),
           StoreDescriptor::ValueRegister());
 
   ExternalReference ref =
       ExternalReference(IC_Utility(kKeyedStoreIC_Miss), masm->isolate());
   __ TailCallExternalReference(ref, 3, 1);
 }
 
@@ skipping 139 matching lines @@
     patcher.ChangeBranchCondition(ne);
   } else {
     DCHECK(Assembler::IsBne(branch_instr));
     patcher.ChangeBranchCondition(eq);
   }
 }
 }
 }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_MIPS64