MIPS: [turbofan] Optimize division/modulus by constant.

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

Index: src/compiler/mips/code-generator-mips.cc
diff --git a/src/compiler/mips/code-generator-mips.cc b/src/compiler/mips/code-generator-mips.cc
index 8dcca27601ecf684d2de257ab017e3aa200d7482..9609cf4e64a2c939c22e8f8620b169db79edc3f0 100644
--- a/src/compiler/mips/code-generator-mips.cc
+++ b/src/compiler/mips/code-generator-mips.cc
@@ -185,6 +185,9 @@ void CodeGenerator::AssembleArchInstruction(Instruction* instr) {
     case kMipsMul:
       __ Mul(i.OutputRegister(), i.InputRegister(0), i.InputOperand(1));
       break;
+    case kMipsMulHigh:
+      __ Mulh(i.OutputRegister(), i.InputRegister(0), i.InputOperand(1));
+      break;
     case kMipsDiv:
       __ Div(i.OutputRegister(), i.InputRegister(0), i.InputOperand(1));
       break;