[cleanup] Port KeyedLoadIC_{Slow,Miss} to TF and drop unused IC handler code

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 103 matching lines @@
                                      JSObject::kPropertiesOffset));
   GenerateDictionaryLoad(masm, &slow, dictionary,
                          LoadDescriptor::NameRegister(), x0, x3, x4);
   __ Ret();
 
   // Dictionary load failed, go slow (but don't miss).
   __ Bind(&slow);
   GenerateRuntimeGetProperty(masm);
 }
 
-
-void LoadIC::GenerateMiss(MacroAssembler* masm) {
-  // The return address is in lr.
-  Isolate* isolate = masm->isolate();
-  ASM_LOCATION("LoadIC::GenerateMiss");
-
-  DCHECK(!AreAliased(x4, x5, LoadWithVectorDescriptor::SlotRegister(),
-                     LoadWithVectorDescriptor::VectorRegister()));
-  __ IncrementCounter(isolate->counters()->ic_load_miss(), 1, x4, x5);
-
-  // Perform tail call to the entry.
-  __ Push(LoadWithVectorDescriptor::ReceiverRegister(),
-          LoadWithVectorDescriptor::NameRegister(),
-          LoadWithVectorDescriptor::SlotRegister(),
-          LoadWithVectorDescriptor::VectorRegister());
-  __ TailCallRuntime(Runtime::kLoadIC_Miss);
-}
-
 void LoadIC::GenerateRuntimeGetProperty(MacroAssembler* masm) {
   // The return address is in lr.
   __ Push(LoadDescriptor::ReceiverRegister(), LoadDescriptor::NameRegister());
 
   // Do tail-call to runtime routine.
   __ TailCallRuntime(Runtime::kGetProperty);
 }
 
-
-void KeyedLoadIC::GenerateMiss(MacroAssembler* masm) {
-  // The return address is in lr.
-  Isolate* isolate = masm->isolate();
-
-  DCHECK(!AreAliased(x10, x11, LoadWithVectorDescriptor::SlotRegister(),
-                     LoadWithVectorDescriptor::VectorRegister()));
-  __ IncrementCounter(isolate->counters()->ic_keyed_load_miss(), 1, x10, x11);
-
-  __ Push(LoadWithVectorDescriptor::ReceiverRegister(),
-          LoadWithVectorDescriptor::NameRegister(),
-          LoadWithVectorDescriptor::SlotRegister(),
-          LoadWithVectorDescriptor::VectorRegister());
-
-  // Perform tail call to the entry.
-  __ TailCallRuntime(Runtime::kKeyedLoadIC_Miss);
-}
-
-void KeyedLoadIC::GenerateRuntimeGetProperty(MacroAssembler* masm) {
-  // The return address is in lr.
-  __ Push(LoadDescriptor::ReceiverRegister(), LoadDescriptor::NameRegister());
-
-  // Do tail-call to runtime routine.
-  __ TailCallRuntime(Runtime::kKeyedGetProperty);
-}
-
 static void StoreIC_PushArgs(MacroAssembler* masm) {
   __ Push(StoreWithVectorDescriptor::ValueRegister(),
           StoreWithVectorDescriptor::SlotRegister(),
           StoreWithVectorDescriptor::VectorRegister(),
           StoreWithVectorDescriptor::ReceiverRegister(),
           StoreWithVectorDescriptor::NameRegister());
 }
 
 
 void KeyedStoreIC::GenerateMiss(MacroAssembler* masm) {
@@ skipping 127 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