Load callback data from weak cell instead of embedding it in handler.

src/arm/macro-assembler-arm.cc

 // Copyright 2012 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 <limits.h>  // For LONG_MIN, LONG_MAX.
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_ARM
 
@@ skipping 2261 matching lines @@
 
 
 void MacroAssembler::CmpWeakValue(Register value, Handle<WeakCell> cell,
                                   Register scratch) {
   mov(scratch, Operand(cell));
   ldr(scratch, FieldMemOperand(scratch, WeakCell::kValueOffset));
   cmp(value, scratch);
 }
 
 
+void MacroAssembler::GetWeakValue(Register value, Handle<WeakCell> cell) {
+  mov(value, Operand(cell));
+  ldr(value, FieldMemOperand(value, WeakCell::kValueOffset));
+}
+
+
 void MacroAssembler::LoadWeakValue(Register value, Handle<WeakCell> cell,
                                    Label* miss) {
-  mov(value, Operand(cell));
-  ldr(value, FieldMemOperand(value, WeakCell::kValueOffset));
+  GetWeakValue(value, cell);
   JumpIfSmi(value, miss);
 }
 
 
 void MacroAssembler::TryGetFunctionPrototype(Register function,
                                              Register result,
                                              Register scratch,
                                              Label* miss,
                                              bool miss_on_bound_function) {
   Label non_instance;
@@ skipping 1674 matching lines @@
     }
   }
   if (mag.shift > 0) mov(result, Operand(result, ASR, mag.shift));
   add(result, result, Operand(dividend, LSR, 31));
 }
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM