Add non-miss slow path to LoadIC_Normal.

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 411 matching lines @@
   GenerateMiss(masm);
 }
 
 
 void LoadIC::GenerateNormal(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- x2    : name
   //  -- lr    : return address
   //  -- x0    : receiver
   // -----------------------------------
-  Label miss;
+  Label miss, slow;
 
   GenerateNameDictionaryReceiverCheck(masm, x0, x1, x3, x4, &miss);
 
   // x1 now holds the property dictionary.
-  GenerateDictionaryLoad(masm, &miss, x1, x2, x0, x3, x4);
+  GenerateDictionaryLoad(masm, &slow, x1, x2, x0, x3, x4);
   __ Ret();
 
+  // Dictionary load failed, go slow (but don't miss).
+  __ Bind(&slow);
+  GenerateRuntimeGetProperty(masm);
+
   // Cache miss: Jump to runtime.
   __ Bind(&miss);
   GenerateMiss(masm);
 }
 
 
 void LoadIC::GenerateMiss(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- x2    : name
   //  -- lr    : return address
@@ skipping 924 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