[turbofan] Introduce WordRor machine operator.

src/compiler/arm64/instruction-selector-arm64.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 311 matching lines @@
 void InstructionSelector::VisitWord32Sar(Node* node) {
   VisitRRO(this, kArm64Sar32, node, kShift32Imm);
 }
 
 
 void InstructionSelector::VisitWord64Sar(Node* node) {
   VisitRRO(this, kArm64Sar, node, kShift64Imm);
 }
 
 
+void InstructionSelector::VisitWord32Ror(Node* node) {
+  VisitRRO(this, kArm64Ror32, node, kShift32Imm);
+}
+
+
+void InstructionSelector::VisitWord64Ror(Node* node) {
+  VisitRRO(this, kArm64Ror, node, kShift64Imm);
+}
+
+
 void InstructionSelector::VisitInt32Add(Node* node) {
   VisitBinop(this, node, kArm64Add32, kArithimeticImm);
 }
 
 
 void InstructionSelector::VisitInt64Add(Node* node) {
   VisitBinop(this, node, kArm64Add, kArithimeticImm);
 }
 
 
@@ skipping 316 matching lines @@
   // Caller clean up of stack for C-style calls.
   if (is_c_frame && aligned_push_count > 0) {
     DCHECK(deoptimization == NULL && continuation == NULL);
     Emit(kArm64Drop | MiscField::encode(aligned_push_count), NULL);
   }
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8