[ic] Move KeyedStoreIC::GenerateSlow() to ic-XXX.cc to avoid code duplication.

src/ic/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.
 
 #if V8_TARGET_ARCH_ARM64
 
 #include "src/codegen.h"
 #include "src/ic/ic.h"
 #include "src/ic/ic-compiler.h"
 #include "src/ic/stub-cache.h"
@@ skipping 440 matching lines @@
           StoreWithVectorDescriptor::VectorRegister());
 }
 
 
 void KeyedStoreIC::GenerateMiss(MacroAssembler* masm) {
   ASM_LOCATION("KeyedStoreIC::GenerateMiss");
   StoreIC_PushArgs(masm);
   __ TailCallRuntime(Runtime::kKeyedStoreIC_Miss);
 }
 
+void KeyedStoreIC::GenerateSlow(MacroAssembler* masm) {
+  ASM_LOCATION("KeyedStoreIC::GenerateSlow");
+  StoreIC_PushArgs(masm);
+
+  // The slow case calls into the runtime to complete the store without causing
+  // an IC miss that would otherwise cause a transition to the generic stub.
+  __ TailCallRuntime(Runtime::kKeyedStoreIC_Slow);
+}
 
 static void KeyedStoreGenerateMegamorphicHelper(
     MacroAssembler* masm, Label* fast_object, Label* fast_double, Label* slow,
     KeyedStoreCheckMap check_map, KeyedStoreIncrementLength increment_length,
     Register value, Register key, Register receiver, Register receiver_map,
     Register elements_map, Register elements) {
   DCHECK(!AreAliased(value, key, receiver, receiver_map, elements_map, elements,
                      x10, x11));
 
   Label transition_smi_elements;
@@ skipping 364 matching lines @@
   } else {
     DCHECK(to_patch->Mask(TestBranchMask) == TBNZ);
     // This is JumpIfSmi(smi_reg, branch_imm).
     patcher.tbz(smi_reg, 0, branch_imm);
   }
 }
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM64