[turbofan] Introduce WordRor machine operator.

src/compiler/x64/code-generator-x64.cc

 // Copyright 2013 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/code-generator.h"
 
 #include "src/compiler/code-generator-impl.h"
 #include "src/compiler/gap-resolver.h"
 #include "src/compiler/node-matchers.h"
 #include "src/compiler/node-properties-inl.h"
@@ skipping 352 matching lines @@
       break;
     case kX64Shr:
       ASSEMBLE_SHIFT(shrq, 6);
       break;
     case kX64Sar32:
       ASSEMBLE_SHIFT(sarl, 5);
       break;
     case kX64Sar:
       ASSEMBLE_SHIFT(sarq, 6);
       break;
+    case kX64Ror32:
+      ASSEMBLE_SHIFT(rorl, 5);
+      break;
+    case kX64Ror:
+      ASSEMBLE_SHIFT(rorq, 6);
+      break;
     case kX64Push: {
       RegisterOrOperand input = i.InputRegisterOrOperand(0);
       if (input.type == kRegister) {
         __ pushq(input.reg);
       } else {
         __ pushq(input.operand);
       }
       break;
     }
     case kX64PushI:
@@ skipping 595 matching lines @@
 }
 
 
 void CodeGenerator::AddNopForSmiCodeInlining() { __ nop(); }
 
 #undef __
 
 }  // namespace internal
 }  // namespace compiler
 }  // namespace v8