Emit VMLA for multiply-add on ARM

src/hydrogen-instructions.cc

Index: src/hydrogen-instructions.cc
diff --git a/src/hydrogen-instructions.cc b/src/hydrogen-instructions.cc
index feac1be0bcfcdf45f6c435f7899acd645d24e4e8..2247a628839028b4ff85a921f83a31741c5dde90 100644
--- a/src/hydrogen-instructions.cc
+++ b/src/hydrogen-instructions.cc
@@ -1536,6 +1536,15 @@ void HBinaryOperation::PrintDataTo(StringStream* stream) {
 }
 
 
+void HMultiplyAddD::PrintDataTo(StringStream* stream) {
+    a()->PrintNameTo(stream);
+    stream->Add(" ");
+    b()->PrintNameTo(stream);
+    stream->Add(" ");
+    c()->PrintNameTo(stream);
+}
+
+
 Range* HBitwise::InferRange(Zone* zone) {
   if (op() == Token::BIT_XOR) return HValue::InferRange(zone);
   const int32_t kDefaultMask = static_cast<int32_t>(0xffffffff);