[x64] Fix instruction selection for Word64Equal(Word64And, 0).

test/cctest/compiler/test-run-intrinsics.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #include "test/cctest/compiler/function-tester.h"
 
 using namespace v8::internal;
 using namespace v8::internal::compiler;
@@ skipping 154 matching lines @@
   T.CheckFalse(T.undefined());
   T.CheckFalse(T.null());
   T.CheckFalse(T.Val("x"));
   T.CheckFalse(T.Val(1));
 }
 
 
 TEST(IsSmi) {
   FunctionTester T("(function(a) { return %_IsSmi(a); })", flags);
 
+  T.CheckFalse(T.NewObject("new Date()"));
+  T.CheckFalse(T.NewObject("(function() {})"));
+  T.CheckFalse(T.NewObject("([1])"));
+  T.CheckFalse(T.NewObject("({})"));
+  T.CheckFalse(T.NewObject("(/x/)"));
+  T.CheckFalse(T.undefined());
   T.CheckTrue(T.Val(1));
   T.CheckFalse(T.Val(1.1));
   T.CheckFalse(T.Val(-0.0));
   T.CheckTrue(T.Val(-2));
   T.CheckFalse(T.Val(-2.3));
-  T.CheckFalse(T.undefined());
 }
 
 
 TEST(MapGetInstanceType) {
   FunctionTester T(
       "(function(a) { return %_MapGetInstanceType(%_HeapObjectGetMap(a)); })",
       flags);
 
   Factory* factory = T.main_isolate()->factory();
   T.CheckCall(T.Val(ODDBALL_TYPE), T.null());
@@ skipping 154 matching lines @@
 
 
 TEST(ValueOf) {
   FunctionTester T("(function(a) { return %_ValueOf(a); })", flags);
 
   T.CheckCall(T.Val("a"), T.Val("a"));
   T.CheckCall(T.Val("b"), T.NewObject("(new String('b'))"));
   T.CheckCall(T.Val(123), T.Val(123));
   T.CheckCall(T.Val(456), T.NewObject("(new Number(456))"));
 }