Add frintp instruction.

test/cctest/test-disasm-arm64.cc

 // 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 1390 matching lines @@
   COMPARE(fsqrt(d10, d11), "fsqrt d10, d11");
   COMPARE(fsqrt(d31, d30), "fsqrt d31, d30");
   COMPARE(frinta(s10, s11), "frinta s10, s11");
   COMPARE(frinta(s31, s30), "frinta s31, s30");
   COMPARE(frinta(d12, d13), "frinta d12, d13");
   COMPARE(frinta(d31, d30), "frinta d31, d30");
   COMPARE(frintn(s10, s11), "frintn s10, s11");
   COMPARE(frintn(s31, s30), "frintn s31, s30");
   COMPARE(frintn(d12, d13), "frintn d12, d13");
   COMPARE(frintn(d31, d30), "frintn d31, d30");
+  COMPARE(frintp(s10, s11), "frintp s10, s11");
+  COMPARE(frintp(s31, s30), "frintp s31, s30");
+  COMPARE(frintp(d12, d13), "frintp d12, d13");
+  COMPARE(frintp(d31, d30), "frintp d31, d30");
   COMPARE(frintz(s10, s11), "frintz s10, s11");
   COMPARE(frintz(s31, s30), "frintz s31, s30");
   COMPARE(frintz(d12, d13), "frintz d12, d13");
   COMPARE(frintz(d31, d30), "frintz d31, d30");
   COMPARE(fcvt(d14, s15), "fcvt d14, s15");
   COMPARE(fcvt(d31, s31), "fcvt d31, s31");
 
   CLEANUP();
 }
 
@@ skipping 334 matching lines @@
   COMPARE(Dsb(FullSystem, BarrierOther), "dsb sy (0b1100)");
   COMPARE(Dsb(InnerShareable, BarrierOther), "dsb sy (0b1000)");
   COMPARE(Dsb(NonShareable, BarrierOther), "dsb sy (0b0100)");
   COMPARE(Dsb(OuterShareable, BarrierOther), "dsb sy (0b0000)");
 
   // ISB
   COMPARE(Isb(), "isb");
 
   CLEANUP();
 }