Add vrint{a,n,p,m,z} instructions to arm assembler.

test/cctest/test-disasm-arm.cc

 // Copyright 2011 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
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 //       disclaimer in the documentation and/or other materials provided
@@ skipping 668 matching lines @@
               "eebd0be0       vcvt.s32.f64 s0, d16");
       COMPARE(vcvt_f64_u32(d16, s1),
               "eef80b60       vcvt.f64.u32 d16, s1");
     }
   }
 
   VERIFY_RUN();
 }
 
 
+TEST(ARMv8_vrintX_disasm) {
+  SET_UP();
+  if (CpuFeatures::IsSupported(ARMv8)) {
+    COMPARE(vrinta(d0, d0), "feb80b40       vrinta.f64.f64 d0, d0");
+    COMPARE(vrinta(d2, d3), "feb82b43       vrinta.f64.f64 d2, d3");
+
+    COMPARE(vrintp(d0, d0), "feba0b40       vrintp.f64.f64 d0, d0");
+    COMPARE(vrintp(d2, d3), "feba2b43       vrintp.f64.f64 d2, d3");
+
+    COMPARE(vrintn(d0, d0), "feb90b40       vrintn.f64.f64 d0, d0");
+    COMPARE(vrintn(d2, d3), "feb92b43       vrintn.f64.f64 d2, d3");
+
+    COMPARE(vrintm(d0, d0), "febb0b40       vrintm.f64.f64 d0, d0");
+    COMPARE(vrintm(d2, d3), "febb2b43       vrintm.f64.f64 d2, d3");
+
+    COMPARE(vrintz(d0, d0), "eeb60bc0       vrintz.f64.f64 d0, d0");
+    COMPARE(vrintz(d2, d3, ne), "1eb62bc3       vrintzne.f64.f64 d2, d3");
+  }
+
+  VERIFY_RUN();
+}
+
+
 TEST(Neon) {
   SET_UP();
 
   if (CpuFeatures::IsSupported(NEON)) {
     CpuFeatureScope scope(&assm, NEON);
       COMPARE(vld1(Neon8, NeonListOperand(d4, 4), NeonMemOperand(r1)),
               "f421420f       vld1.8 {d4, d5, d6, d7}, [r1]");
       COMPARE(vst1(Neon16, NeonListOperand(d17, 4), NeonMemOperand(r9)),
               "f449124f       vst1.16 {d17, d18, d19, d20}, [r9]");
       COMPARE(vmovl(NeonU8, q3, d1),
@@ skipping 204 matching lines @@
             "e16dc7ff       strd ip, [sp, #-127]!");
 
     COMPARE(pld(MemOperand(r1, 0)),
             "f5d1f000       pld [r1]");
     COMPARE(pld(MemOperand(r2, 128)),
             "f5d2f080       pld [r2, #+128]");
   }
 
   VERIFY_RUN();
 }