MIPS: [turbofan] Also optimize unsigned division by constant.

src/compiler/mips/instruction-selector-mips.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/base/bits.h"
 #include "src/compiler/instruction-selector-impl.h"
 #include "src/compiler/node-matchers.h"
 
 namespace v8 {
 namespace internal {
@@ skipping 289 matching lines @@
 }
 
 
 void InstructionSelector::VisitInt32MulHigh(Node* node) {
   MipsOperandGenerator g(this);
   Emit(kMipsMulHigh, g.DefineAsRegister(node), g.UseRegister(node->InputAt(0)),
        g.UseRegister(node->InputAt(1)));
 }
 
 
+void InstructionSelector::VisitUint32MulHigh(Node* node) {
+  MipsOperandGenerator g(this);
+  Emit(kMipsMulHighU, g.DefineAsRegister(node), g.UseRegister(node->InputAt(0)),
+       g.UseRegister(node->InputAt(1)));
+}
+
+
 void InstructionSelector::VisitInt32Div(Node* node) {
   MipsOperandGenerator g(this);
   Int32BinopMatcher m(node);
   Emit(kMipsDiv, g.DefineAsRegister(node), g.UseRegister(m.left().node()),
        g.UseRegister(m.right().node()));
 }
 
 
 void InstructionSelector::VisitUint32Div(Node* node) {
   MipsOperandGenerator g(this);
@@ skipping 349 matching lines @@
 InstructionSelector::SupportedMachineOperatorFlags() {
   return MachineOperatorBuilder::kInt32DivIsSafe |
          MachineOperatorBuilder::kInt32ModIsSafe |
          MachineOperatorBuilder::kUint32DivIsSafe |
          MachineOperatorBuilder::kUint32ModIsSafe;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8