Adds reciprocal squre root SIMD instructions for ARM.

runtime/vm/assembler_arm.h

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_ASSEMBLER_ARM_H_
 #define VM_ASSEMBLER_ARM_H_
 
 #ifndef VM_ASSEMBLER_H_
 #error Do not include assembler_arm.h directly; use assembler.h instead.
 #endif
@@ skipping 469 matching lines @@
   void vmlas(SRegister sd, SRegister sn, SRegister sm, Condition cond = AL);
   void vmlad(DRegister dd, DRegister dn, DRegister dm, Condition cond = AL);
   void vmlss(SRegister sd, SRegister sn, SRegister sm, Condition cond = AL);
   void vmlsd(DRegister dd, DRegister dn, DRegister dm, Condition cond = AL);
   void vdivs(SRegister sd, SRegister sn, SRegister sm, Condition cond = AL);
   void vdivd(DRegister dd, DRegister dn, DRegister dm, Condition cond = AL);
   void vminqs(QRegister qd, QRegister qn, QRegister qm);
   void vmaxqs(QRegister qd, QRegister qn, QRegister qm);
   void vrecpeqs(QRegister qd, QRegister qm);
   void vrecpsqs(QRegister qd, QRegister qn, QRegister qm);
+  void vrsqrteqs(QRegister qd, QRegister qm);
+  void vrsqrtsqs(QRegister qd, QRegister qn, QRegister qm);
 
   void veorq(QRegister qd, QRegister qn, QRegister qm);
   void vorrq(QRegister qd, QRegister qn, QRegister qm);
   void vornq(QRegister qd, QRegister qn, QRegister qm);
 
   void vceqqi(OperandSize sz, QRegister qd, QRegister qn, QRegister qm);
   void vceqqs(QRegister qd, QRegister qn, QRegister qm);
   void vcgeqi(OperandSize sz, QRegister qd, QRegister qn, QRegister qm);
   void vcugeqi(OperandSize sz, QRegister qd, QRegister qn, QRegister qm);
   void vcgeqs(QRegister qd, QRegister qn, QRegister qm);
@@ skipping 345 matching lines @@
                                   Register value,
                                   Label* no_update);
 
   DISALLOW_ALLOCATION();
   DISALLOW_COPY_AND_ASSIGN(Assembler);
 };
 
 }  // namespace dart
 
 #endif  // VM_ASSEMBLER_ARM_H_