Update V8 to r5017 as required by WebKit r62496

Change-Id: I1b4b7718d1d77ceef07f543e9150a2cb3a628f3a
diff --git a/src/arm/assembler-arm.cc b/src/arm/assembler-arm.cc
index f8d98db..f5ff43a 100644
--- a/src/arm/assembler-arm.cc
+++ b/src/arm/assembler-arm.cc
@@ -1802,6 +1802,16 @@
 
 
 void Assembler::vmov(const DwVfpRegister dst,
+                     const DwVfpRegister src,
+                     const Condition cond) {
+  // Dd = Dm
+  // Instruction details available in ARM DDI 0406B, A8-642.
+  emit(cond | 0xE*B24 | 0xB*B20 |
+       dst.code()*B12 | 0x5*B9 | B8 | B6 | src.code());
+}
+
+
+void Assembler::vmov(const DwVfpRegister dst,
                      const Register src1,
                      const Register src2,
                      const Condition cond) {
@@ -2112,6 +2122,18 @@
 }
 
 
+
+void Assembler::vsqrt(const DwVfpRegister dst,
+                      const DwVfpRegister src,
+                      const Condition cond) {
+  // cond(31-28) | 11101 (27-23)| D=?(22) | 11 (21-20) | 0001 (19-16) |
+  // Vd(15-12) | 101(11-9) | sz(8)=1 | 11 (7-6) | M(5)=? | 0(4) | Vm(3-0)
+  ASSERT(CpuFeatures::IsEnabled(VFP3));
+  emit(cond | 0xE*B24 | B23 | 0x3*B20 | B16 |
+       dst.code()*B12 | 0x5*B9 | B8 | 3*B6 | src.code());
+}
+
+
 // Pseudo instructions.
 void Assembler::nop(int type) {
   // This is mov rx, rx.