ARM64: Fixes and more support for FRINT<X> instructions.

src/arm64/macro-assembler-arm64.h

 // Copyright 2013 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 369 matching lines @@
   inline void Fneg(const FPRegister& fd, const FPRegister& fn);
   inline void Fnmadd(const FPRegister& fd,
                      const FPRegister& fn,
                      const FPRegister& fm,
                      const FPRegister& fa);
   inline void Fnmsub(const FPRegister& fd,
                      const FPRegister& fn,
                      const FPRegister& fm,
                      const FPRegister& fa);
   inline void Frinta(const FPRegister& fd, const FPRegister& fn);
+  inline void Frintm(const FPRegister& fd, const FPRegister& fn);
   inline void Frintn(const FPRegister& fd, const FPRegister& fn);
   inline void Frintz(const FPRegister& fd, const FPRegister& fn);
   inline void Fsqrt(const FPRegister& fd, const FPRegister& fn);
   inline void Fsub(const FPRegister& fd,
                    const FPRegister& fn,
                    const FPRegister& fm);
   inline void Hint(SystemHint code);
   inline void Hlt(int code);
   inline void Isb();
   inline void Ldnp(const CPURegister& rt,
@@ skipping 1899 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_