Adds more SIMD instructions for ARM.

runtime/vm/assembler_arm.cc

Index: runtime/vm/assembler_arm.cc
===================================================================
--- runtime/vm/assembler_arm.cc	(revision 25291)
+++ runtime/vm/assembler_arm.cc	(working copy)
@@ -1332,6 +1332,11 @@
 }
 
 
+void Assembler::vandq(QRegister qd, QRegister qn, QRegister qm) {
+  EmitSIMDqqq(B8 | B4, kByte, qd, qn, qm);
+}
+
+
 void Assembler::vminqs(QRegister qd, QRegister qn, QRegister qm) {
   EmitSIMDqqq(B21 | B11 | B10 | B9 | B8, kSWord, qd, qn, qm);
 }
@@ -1342,6 +1347,18 @@
 }
 
 
+void Assembler::vabsqs(QRegister qd, QRegister qm) {
+  EmitSIMDqqq(B24 | B23 | B21 | B20 | B19 | B16 | B10 | B9 | B8, kSWord,
+              qd, Q0, qm);
+}
+
+
+void Assembler::vnegqs(QRegister qd, QRegister qm) {
+  EmitSIMDqqq(B24 | B23 | B21 | B20 | B19 | B16 | B10 | B9 | B8 | B7, kSWord,
+              qd, Q0, qm);
+}
+
+
 void Assembler::vrecpeqs(QRegister qd, QRegister qm) {
   EmitSIMDqqq(B24 | B23 | B21 | B20 | B19 | B17 | B16 | B10 | B8, kSWord,
               qd, Q0, qm);