vm: Generate 'and' instruction for Smi values.

runtime/vm/jit_optimizer.cc

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/jit_optimizer.h"
 
 #include "vm/bit_vector.h"
 #include "vm/branch_optimizer.h"
 #include "vm/cha.h"
 #include "vm/compiler.h"
@@ skipping 1863 matching lines @@
   }
 
   if ((class_ids[0] == kInt32x4Cid) && (ic_data.NumberOfChecks() == 1)) {
     return TryInlineInt32x4Method(call, recognized_kind);
   }
 
   if ((class_ids[0] == kFloat64x2Cid) && (ic_data.NumberOfChecks() == 1)) {
     return TryInlineFloat64x2Method(call, recognized_kind);
   }
 
+  if (recognized_kind == MethodRecognizer::kSmi_bitAndFromSmi) {
+    AddReceiverCheck(call);
+    BinarySmiOpInstr* op =
+        new(Z) BinarySmiOpInstr(
+            Token::kBIT_AND,
+            new(Z) Value(call->ArgumentAt(0)),
+            new(Z) Value(call->ArgumentAt(1)),
+            call->deopt_id());
+    ReplaceCall(call, op);
+    return true;
+  }
+
   return false;
 }
 
 
 bool JitOptimizer::TryInlineFloat32x4Constructor(
     StaticCallInstr* call,
     MethodRecognizer::Kind recognized_kind) {
   if (!ShouldInlineSimd()) {
     return false;
   }
@@ skipping 1172 matching lines @@
 
   // Discard the environment from the original instruction because the store
   // can't deoptimize.
   instr->RemoveEnvironment();
   ReplaceCall(instr, store);
   return true;
 }
 
 
 }  // namespace dart