Cache IC handlers on the prototype's map if possible

src/arm64/ic-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/arm64/assembler-arm64.h"
 #include "src/code-stubs.h"
@@ skipping 351 matching lines @@
 
 
 void LoadIC::GenerateMegamorphic(MacroAssembler* masm) {
   // The return address is in lr.
   Register receiver = ReceiverRegister();
   Register name = NameRegister();
   ASSERT(receiver.is(x1));
   ASSERT(name.is(x2));
 
   // Probe the stub cache.
-  Code::Flags flags = Code::ComputeHandlerFlags(Code::LOAD_IC);
+  Code::Flags flags = Code::RemoveTypeAndHolderFromFlags(
+      Code::ComputeHandlerFlags(Code::LOAD_IC));
   masm->isolate()->stub_cache()->GenerateProbe(
       masm, flags, receiver, name, x3, x4, x5, x6);
 
   // Cache miss: Jump to runtime.
   GenerateMiss(masm);
 }
 
 
 void LoadIC::GenerateNormal(MacroAssembler* masm) {
   Register dictionary = x0;
@@ skipping 732 matching lines @@
                                   elements_map, elements);
 }
 
 
 void StoreIC::GenerateMegamorphic(MacroAssembler* masm) {
   Register receiver = ReceiverRegister();
   Register name = NameRegister();
   ASSERT(!AreAliased(receiver, name, ValueRegister(), x3, x4, x5, x6));
 
   // Probe the stub cache.
-  Code::Flags flags = Code::ComputeHandlerFlags(Code::STORE_IC);
+  Code::Flags flags = Code::RemoveTypeAndHolderFromFlags(
+      Code::ComputeHandlerFlags(Code::STORE_IC));
   masm->isolate()->stub_cache()->GenerateProbe(
       masm, flags, receiver, name, x3, x4, x5, x6);
 
   // Cache miss: Jump to runtime.
   GenerateMiss(masm);
 }
 
 
 void StoreIC::GenerateMiss(MacroAssembler* masm) {
   __ Push(ReceiverRegister(), NameRegister(), ValueRegister());
@@ skipping 145 matching lines @@
     ASSERT(to_patch->Mask(TestBranchMask) == TBNZ);
     // This is JumpIfSmi(smi_reg, branch_imm).
     patcher.tbz(smi_reg, 0, branch_imm);
   }
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM64