[turbofan] Introduce WordRor machine operator.

src/compiler/x64/instruction-selector-x64.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/compiler/instruction-selector-impl.h"
 #include "src/compiler/node-matchers.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
@@ skipping 330 matching lines @@
 void InstructionSelector::VisitWord32Sar(Node* node) {
   VisitWord32Shift(this, node, kX64Sar32);
 }
 
 
 void InstructionSelector::VisitWord64Sar(Node* node) {
   VisitWord64Shift(this, node, kX64Sar);
 }
 
 
+void InstructionSelector::VisitWord32Ror(Node* node) {
+  VisitWord32Shift(this, node, kX64Ror32);
+}
+
+
+void InstructionSelector::VisitWord64Ror(Node* node) {
+  VisitWord64Shift(this, node, kX64Ror);
+}
+
+
 void InstructionSelector::VisitInt32Add(Node* node) {
   VisitBinop(this, node, kX64Add32);
 }
 
 
 void InstructionSelector::VisitInt64Add(Node* node) {
   VisitBinop(this, node, kX64Add);
 }
 
 
@@ skipping 352 matching lines @@
   if (descriptor->kind() == CallDescriptor::kCallAddress &&
       buffer.pushed_count > 0) {
     DCHECK(deoptimization == NULL && continuation == NULL);
     Emit(kPopStack | MiscField::encode(buffer.pushed_count), NULL);
   }
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8