MIPS: [turbofan] Make Int32Div and Uint32Div safe.

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 239de312da27ecdac38bed6b8a2a95efb98357a6..ea9fbbaa78e3df3c563222967784ff0083abfcb5 100644
--- a/src/compiler/mips/code-generator-mips.cc
+++ b/src/compiler/mips/code-generator-mips.cc
@@ -648,9 +648,19 @@ void CodeGenerator::AssembleArchInstruction(Instruction* instr) {
       break;
     case kMipsDiv:
       __ Div(i.OutputRegister(), i.InputRegister(0), i.InputOperand(1));
+      if (IsMipsArchVariant(kMips32r6)) {
+        __ seleqz(i.OutputRegister(), i.InputRegister(0), i.InputRegister(0));
+      } else {
+        __ Movz(i.OutputRegister(), i.InputRegister(1), i.InputRegister(1));
+      }
       break;
     case kMipsDivU:
       __ Divu(i.OutputRegister(), i.InputRegister(0), i.InputOperand(1));
+      if (IsMipsArchVariant(kMips32r6)) {
+        __ seleqz(i.OutputRegister(), i.InputRegister(0), i.InputRegister(0));
+      } else {
+        __ Movz(i.OutputRegister(), i.InputRegister(1), i.InputRegister(1));
+      }
       break;
     case kMipsMod:
       __ Mod(i.OutputRegister(), i.InputRegister(0), i.InputOperand(1));