vm: Generate 'and' instruction for Smi values.

runtime/lib/integers.cc

Index: runtime/lib/integers.cc
diff --git a/runtime/lib/integers.cc b/runtime/lib/integers.cc
index a1aa3bd3d3b1ea63ad0b5fa1957660fd8d2e4227..45f775c24605b43a856df1d1e368566b42ea1e2a 100644
--- a/runtime/lib/integers.cc
+++ b/runtime/lib/integers.cc
@@ -290,6 +290,19 @@ static RawInteger* ShiftOperationHelper(Token::Kind kind,
 }
 
 
+DEFINE_NATIVE_ENTRY(Smi_bitAndFromSmi, 2) {
+  const Smi& left = Smi::CheckedHandle(arguments->NativeArgAt(0));
+  GET_NON_NULL_NATIVE_ARGUMENT(Smi, right, arguments->NativeArgAt(1));
+  if (FLAG_trace_intrinsified_natives) {
+    OS::Print("Smi_bitAndFromSmi %s & %s\n",
+        left.ToCString(), right.ToCString());

[srdjan, 2016/04/29 17:35:31]

Please use THR_Print instead

+  }
+  const Smi& left_value = Smi::Cast(left);
+  const Smi& right_value = Smi::Cast(right);
+  return Smi::New(left_value.Value() & right_value.Value());
+}
+
+
 DEFINE_NATIVE_ENTRY(Smi_shrFromInt, 2) {
   const Smi& amount = Smi::CheckedHandle(arguments->NativeArgAt(0));
   GET_NON_NULL_NATIVE_ARGUMENT(Integer, value, arguments->NativeArgAt(1));