[SubZero] Fix floating-point comparison for MIPS

src/IceInstMIPS32.cpp

Index: src/IceInstMIPS32.cpp
diff --git a/src/IceInstMIPS32.cpp b/src/IceInstMIPS32.cpp
index b626813e51b78adee2540018f43806e4afafa1e4..510418024e9e18ef10089720c71767dbf50e57a6 100644
--- a/src/IceInstMIPS32.cpp
+++ b/src/IceInstMIPS32.cpp
@@ -930,7 +930,7 @@ template <> void InstMIPS32Mov_s::emitIAS(const Cfg *Func) const {
 
 template <> void InstMIPS32Movf::emitIAS(const Cfg *Func) const {
   auto *Asm = Func->getAssembler<MIPS32::AssemblerMIPS32>();
-  Asm->movf(getDest(), getSrc(0), getSrc(1));
+  Asm->movf(getDest(), getSrc(1), getSrc(2));
 }
 
 template <> void InstMIPS32Movn_d::emitIAS(const Cfg *Func) const {
@@ -945,7 +945,7 @@ template <> void InstMIPS32Movn_s::emitIAS(const Cfg *Func) const {
 
 template <> void InstMIPS32Movt::emitIAS(const Cfg *Func) const {
   auto *Asm = Func->getAssembler<MIPS32::AssemblerMIPS32>();
-  Asm->movt(getDest(), getSrc(0), getSrc(1));
+  Asm->movt(getDest(), getSrc(1), getSrc(2));
 }
 
 template <> void InstMIPS32Movz_d::emitIAS(const Cfg *Func) const {