Add signMask getter to Float32x4

runtime/vm/il_printer.cc

Index: runtime/vm/il_printer.cc
diff --git a/runtime/vm/il_printer.cc b/runtime/vm/il_printer.cc
index 2aab9ba10c7dbcbcef30842c12cd77b3b04bd9b7..46fb332c20e8b2a6a0705d03edcc0fec3f6ed7ba 100644
--- a/runtime/vm/il_printer.cc
+++ b/runtime/vm/il_printer.cc
@@ -616,6 +616,17 @@ void Float32x4ShuffleInstr::PrintOperandsTo(BufferFormatter* f) const {
 }
 
 
+void Simd32x4GetSignMaskInstr::PrintOperandsTo(BufferFormatter* f) const {
+  if (op_kind() == MethodRecognizer::kFloat32x4GetSignMask) {
+    f->Print("Float32x4.getSignMask ");
+  } else {
+    ASSERT(op_kind() == MethodRecognizer::kUint32x4GetSignMask);
+    f->Print("Uint32x4.getSignMask ");
+  }
+  value()->PrintTo(f);
+}
+
+
 void Float32x4ZeroInstr::PrintOperandsTo(BufferFormatter* f) const {
   f->Print("ZERO ");
 }