Remove keyed load "force generic" miss case.

src/x64/ic-x64.cc

 // Copyright 2012 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 522 matching lines @@
                                           &miss,  // When not a number.
                                           &miss,  // When index out of range.
                                           STRING_INDEX_IS_ARRAY_INDEX);
   char_at_generator.GenerateFast(masm);
   __ ret(0);
 
   StubRuntimeCallHelper call_helper;
   char_at_generator.GenerateSlow(masm, call_helper);
 
   __ bind(&miss);
-  GenerateMiss(masm, MISS);
+  GenerateMiss(masm);
 }
 
 
 void KeyedLoadIC::GenerateIndexedInterceptor(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- rax    : key
   //  -- rdx    : receiver
   //  -- rsp[0] : return address
   // -----------------------------------
   Label slow;
@@ skipping 22 matching lines @@
   __ PushReturnAddressFrom(rcx);
 
   // Perform tail call to the entry.
   __ TailCallExternalReference(
       ExternalReference(IC_Utility(kKeyedLoadPropertyWithInterceptor),
                         masm->isolate()),
       2,
       1);
 
   __ bind(&slow);
-  GenerateMiss(masm, MISS);
+  GenerateMiss(masm);
 }
 
 
 static void KeyedStoreGenerateGenericHelper(
     MacroAssembler* masm,
     Label* fast_object,
     Label* fast_double,
     Label* slow,
     KeyedStoreCheckMap check_map,
     KeyedStoreIncrementLength increment_length) {
@@ skipping 667 matching lines @@
   __ Ret();
   __ bind(&notin);
   // The unmapped lookup expects that the parameter map is in rbx.
   Operand unmapped_location =
       GenerateUnmappedArgumentsLookup(masm, rax, rbx, rcx, &slow);
   __ CompareRoot(unmapped_location, Heap::kTheHoleValueRootIndex);
   __ j(equal, &slow);
   __ movq(rax, unmapped_location);
   __ Ret();
   __ bind(&slow);
-  GenerateMiss(masm, MISS);
+  GenerateMiss(masm);
 }
 
 
 void KeyedStoreIC::GenerateNonStrictArguments(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- rax    : value
   //  -- rcx    : key
   //  -- rdx    : receiver
   //  -- rsp[0] : return address
   // -----------------------------------
@@ skipping 131 matching lines @@
   __ PopReturnAddressTo(rbx);
   __ push(rax);  // receiver
   __ push(rcx);  // name
   __ PushReturnAddressFrom(rbx);
 
   // Perform tail call to the entry.
   __ TailCallRuntime(Runtime::kGetProperty, 2, 1);
 }
 
 
-void KeyedLoadIC::GenerateMiss(MacroAssembler* masm, ICMissMode miss_mode) {
+void KeyedLoadIC::GenerateMiss(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- rax    : key
   //  -- rdx    : receiver
   //  -- rsp[0] : return address
   // -----------------------------------
 
   Counters* counters = masm->isolate()->counters();
   __ IncrementCounter(counters->keyed_load_miss(), 1);
 
   __ PopReturnAddressTo(rbx);
   __ push(rdx);  // receiver
   __ push(rax);  // name
   __ PushReturnAddressFrom(rbx);
 
   // Perform tail call to the entry.
-  ExternalReference ref = miss_mode == MISS_FORCE_GENERIC
-      ? ExternalReference(IC_Utility(kKeyedLoadIC_MissForceGeneric),
-                          masm->isolate())
-      : ExternalReference(IC_Utility(kKeyedLoadIC_Miss), masm->isolate());
+  ExternalReference ref =
+      ExternalReference(IC_Utility(kKeyedLoadIC_Miss), masm->isolate());
   __ TailCallExternalReference(ref, 2, 1);
 }
 
 
 void KeyedLoadIC::GenerateRuntimeGetProperty(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- rax    : key
   //  -- rdx    : receiver
   //  -- rsp[0] : return address
   // -----------------------------------
@@ skipping 244 matching lines @@
   Condition cc = (check == ENABLE_INLINED_SMI_CHECK)
       ? (*jmp_address == Assembler::kJncShortOpcode ? not_zero : zero)
       : (*jmp_address == Assembler::kJnzShortOpcode ? not_carry : carry);
   *jmp_address = static_cast<byte>(Assembler::kJccShortPrefix | cc);
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64