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..9af9dea9237cb12f6e11bb2c4d305e2ed7aba655 100644
--- a/runtime/vm/il_printer.cc
+++ b/runtime/vm/il_printer.cc
@@ -616,6 +616,12 @@ void Float32x4ShuffleInstr::PrintOperandsTo(BufferFormatter* f) const {
 }
 
 
+void Float32x4GetSignMaskInstr::PrintOperandsTo(BufferFormatter* f) const {
+  f->Print("Float32x4.getSignMask ");
+  value()->PrintTo(f);
+}
+
+
 void Float32x4ZeroInstr::PrintOperandsTo(BufferFormatter* f) const {
   f->Print("ZERO ");
 }
@@ -723,6 +729,12 @@ void Uint32x4GetFlagInstr::PrintOperandsTo(BufferFormatter* f) const {
 }
 
 
+void Uint32x4GetSignMaskInstr::PrintOperandsTo(BufferFormatter* f) const {
+  f->Print("Uint32x4.getSignMask ");
+  value()->PrintTo(f);
+}
+
+
 void Uint32x4SetFlagInstr::PrintOperandsTo(BufferFormatter* f) const {
   f->Print("Uint32x4.%s ", MethodRecognizer::KindToCString(op_kind()));
   value()->PrintTo(f);