[turbofan] Also optimize unsigned division by constant.

src/compiler/arm64/code-generator-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/code-generator.h"
 
 #include "src/arm64/macro-assembler-arm64.h"
 #include "src/compiler/code-generator-impl.h"
 #include "src/compiler/gap-resolver.h"
 #include "src/compiler/node-matchers.h"
@@ skipping 249 matching lines @@
       break;
     case kArm64Mul:
       __ Mul(i.OutputRegister(), i.InputRegister(0), i.InputRegister(1));
       break;
     case kArm64Mul32:
       __ Mul(i.OutputRegister32(), i.InputRegister32(0), i.InputRegister32(1));
       break;
     case kArm64Smull:
       __ Smull(i.OutputRegister(), i.InputRegister32(0), i.InputRegister32(1));
       break;
+    case kArm64Umull:
+      __ Umull(i.OutputRegister(), i.InputRegister32(0), i.InputRegister32(1));
+      break;
     case kArm64Madd:
       __ Madd(i.OutputRegister(), i.InputRegister(0), i.InputRegister(1),
               i.InputRegister(2));
       break;
     case kArm64Madd32:
       __ Madd(i.OutputRegister32(), i.InputRegister32(0), i.InputRegister32(1),
               i.InputRegister32(2));
       break;
     case kArm64Msub:
       __ Msub(i.OutputRegister(), i.InputRegister(0), i.InputRegister(1),
@@ skipping 717 matching lines @@
     }
   }
   MarkLazyDeoptSite();
 }
 
 #undef __
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8