ARM64: Add and use SmiTagAndPush.

src/arm64/macro-assembler-arm64.h

 // 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.
 
 #ifndef V8_ARM64_MACRO_ASSEMBLER_ARM64_H_
 #define V8_ARM64_MACRO_ASSEMBLER_ARM64_H_
 
 #include <vector>
 
 #include "src/globals.h"
@@ skipping 851 matching lines @@
   inline void SmiTag(Register smi);
   inline void SmiUntag(Register dst, Register src);
   inline void SmiUntag(Register smi);
   inline void SmiUntagToDouble(FPRegister dst,
                                Register src,
                                UntagMode mode = kNotSpeculativeUntag);
   inline void SmiUntagToFloat(FPRegister dst,
                               Register src,
                               UntagMode mode = kNotSpeculativeUntag);
 
+  // Tag and push in one step.
+  inline void SmiTagAndPush(Register src);
+  inline void SmiTagAndPush(Register src1, Register src2);
+
   // Compute the absolute value of 'smi' and leave the result in 'smi'
   // register. If 'smi' is the most negative SMI, the absolute value cannot
   // be represented as a SMI and a jump to 'slow' is done.
   void SmiAbs(const Register& smi, Label* slow);
 
   inline void JumpIfSmi(Register value,
                         Label* smi_label,
                         Label* not_smi_label = NULL);
   inline void JumpIfNotSmi(Register value, Label* not_smi_label);
   inline void JumpIfBothSmi(Register value1,
@@ skipping 1417 matching lines @@
 #error "Unsupported option"
 #define CODE_COVERAGE_STRINGIFY(x) #x
 #define CODE_COVERAGE_TOSTRING(x) CODE_COVERAGE_STRINGIFY(x)
 #define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__)
 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm->
 #else
 #define ACCESS_MASM(masm) masm->
 #endif
 
 #endif  // V8_ARM64_MACRO_ASSEMBLER_ARM64_H_