ARM64: Fix and improve MacroAssembler::Printf.

src/arm64/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_ASSEMBLER_ARM64_H_
 #define V8_ARM64_ASSEMBLER_ARM64_H_
 
 #include <list>
 #include <map>
 
@@ skipping 48 matching lines @@
   unsigned SizeInBits() const;
   int SizeInBytes() const;
   bool Is32Bits() const;
   bool Is64Bits() const;
   bool IsValid() const;
   bool IsValidOrNone() const;
   bool IsValidRegister() const;
   bool IsValidFPRegister() const;
   bool IsNone() const;
   bool Is(const CPURegister& other) const;
+  bool Aliases(const CPURegister& other) const;
 
   bool IsZero() const;
   bool IsSP() const;
 
   bool IsRegister() const;
   bool IsFPRegister() const;
 
   Register X() const;
   Register W() const;
   FPRegister D() const;
@@ skipping 475 matching lines @@
     ASSERT(IsValid());
     return size_;
   }
 
   unsigned RegisterSizeInBytes() const {
     int size_in_bits = RegisterSizeInBits();
     ASSERT((size_in_bits % kBitsPerByte) == 0);
     return size_in_bits / kBitsPerByte;
   }
 
+  unsigned TotalSizeInBytes() const {
+    ASSERT(IsValid());
+    return RegisterSizeInBytes() * Count();
+  }
+
  private:
   RegList list_;
   unsigned size_;
   CPURegister::RegisterType type_;
 
   bool IsValid() const {
     const RegList kValidRegisters = 0x8000000ffffffff;
     const RegList kValidFPRegisters = 0x0000000ffffffff;
     switch (type_) {
       case CPURegister::kRegister:
@@ skipping 1653 matching lines @@
 class EnsureSpace BASE_EMBEDDED {
  public:
   explicit EnsureSpace(Assembler* assembler) {
     assembler->CheckBufferSpace();
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_ARM64_ASSEMBLER_ARM64_H_