Add VSQRT instruction to the integrated ARM assembler.

src/DartARM32/assembler_arm.cc

Index: src/DartARM32/assembler_arm.cc
diff --git a/src/DartARM32/assembler_arm.cc b/src/DartARM32/assembler_arm.cc
index 3abd47b6c41ab9ef7a2189229f16eb5c6b32f8d6..52fc50402ae2aa6af06bb2f6f23ecdfd3fb273a6 100644
--- a/src/DartARM32/assembler_arm.cc
+++ b/src/DartARM32/assembler_arm.cc
@@ -1057,16 +1057,17 @@ void Assembler::vnegd(DRegister dd, DRegister dm, Condition cond) {
   EmitVFPddd(cond, B23 | B21 | B20 | B16 | B6, dd, D0, dm);
 }
 
-
+#if 0
+// Moved to ARM32::AssemblerARM32::vsqrts().
 void Assembler::vsqrts(SRegister sd, SRegister sm, Condition cond) {
   EmitVFPsss(cond, B23 | B21 | B20 | B16 | B7 | B6, sd, S0, sm);
 }
 
+// Moved to ARM32::AssemblerARM32::vsqrtd().
 void Assembler::vsqrtd(DRegister dd, DRegister dm, Condition cond) {
   EmitVFPddd(cond, B23 | B21 | B20 | B16 | B7 | B6, dd, D0, dm);
 }
 
-#if 0
 // Moved to ARM32::AssemblerARM32::emitVFPsd
 void Assembler::EmitVFPsd(Condition cond, int32_t opcode,
                           SRegister sd, DRegister dm) {