Add frintp instruction.

src/arm64/simulator-arm64.cc

 // 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.
 
 #include <stdlib.h>
 #include <cmath>
 #include <cstdarg>
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_ARM64
@@ skipping 2445 matching lines @@
     case FNEG_s: set_sreg(fd, -sreg(fn)); break;
     case FNEG_d: set_dreg(fd, -dreg(fn)); break;
     case FSQRT_s: set_sreg(fd, FPSqrt(sreg(fn))); break;
     case FSQRT_d: set_dreg(fd, FPSqrt(dreg(fn))); break;
     case FRINTA_s: set_sreg(fd, FPRoundInt(sreg(fn), FPTieAway)); break;
     case FRINTA_d: set_dreg(fd, FPRoundInt(dreg(fn), FPTieAway)); break;
     case FRINTM_s:
         set_sreg(fd, FPRoundInt(sreg(fn), FPNegativeInfinity)); break;
     case FRINTM_d:
         set_dreg(fd, FPRoundInt(dreg(fn), FPNegativeInfinity)); break;
+    case FRINTP_s:
+      set_sreg(fd, FPRoundInt(sreg(fn), FPPositiveInfinity));
+      break;
+    case FRINTP_d:
+      set_dreg(fd, FPRoundInt(dreg(fn), FPPositiveInfinity));
+      break;
     case FRINTN_s: set_sreg(fd, FPRoundInt(sreg(fn), FPTieEven)); break;
     case FRINTN_d: set_dreg(fd, FPRoundInt(dreg(fn), FPTieEven)); break;
     case FRINTZ_s: set_sreg(fd, FPRoundInt(sreg(fn), FPZero)); break;
     case FRINTZ_d: set_dreg(fd, FPRoundInt(dreg(fn), FPZero)); break;
     case FCVT_ds: set_dreg(fd, FPToDouble(sreg(fn))); break;
     case FCVT_sd: set_sreg(fd, FPToFloat(dreg(fn), FPTieEven)); break;
     default: UNIMPLEMENTED();
   }
 }
 
@@ skipping 284 matching lines @@
       // otherwise, ceil(value)
       if (value < 0) {
          int_result = ceil(value);
       }
       break;
     }
     case FPNegativeInfinity: {
       // We always use floor(value).
       break;
     }
+    case FPPositiveInfinity: {
+      int_result = ceil(value);
+      break;
+    }
     default: UNIMPLEMENTED();
   }
   return int_result;
 }
 
 
 double Simulator::FPToDouble(float value) {
   switch (std::fpclassify(value)) {
     case FP_NAN: {
       if (fpcr().DN()) return kFP64DefaultNaN;
@@ skipping 1040 matching lines @@
 
   delete[] format;
 }
 
 
 #endif  // USE_SIMULATOR
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM64