Subzero, MIPS32: Intrinsic call Cttz for i32

src/IceInstMIPS32.cpp

Index: src/IceInstMIPS32.cpp
diff --git a/src/IceInstMIPS32.cpp b/src/IceInstMIPS32.cpp
index 732651685501dfd23dda77ac7c4d59a208d79161..bca00ba147dc98eae7caa73d9d7d2fb1ae7d74d6 100644
--- a/src/IceInstMIPS32.cpp
+++ b/src/IceInstMIPS32.cpp
@@ -1079,6 +1079,11 @@ template <> void InstMIPS32Sub_s::emitIAS(const Cfg *Func) const {
   Asm->sub_s(getDest(), getSrc(0), getSrc(1));
 }
 
+template <> void InstMIPS32Subu::emitIAS(const Cfg *Func) const {
+  auto *Asm = Func->getAssembler<MIPS32::AssemblerMIPS32>();
+  Asm->subu(getDest(), getSrc(0), getSrc(1));
+}
+
 template <> void InstMIPS32Sw::emitIAS(const Cfg *Func) const {
   auto *Asm = Func->getAssembler<MIPS32::AssemblerMIPS32>();
   auto *Mem = llvm::dyn_cast<OperandMIPS32Mem>(getSrc(1));