[SubZero] Fix floating-point comparison for MIPS

src/IceTargetLoweringMIPS32.h

Index: src/IceTargetLoweringMIPS32.h
diff --git a/src/IceTargetLoweringMIPS32.h b/src/IceTargetLoweringMIPS32.h
index 7e87f0435ad41c4d8498f117e02b210005419155..5f3de513e72d1b24fa58090a0361d21816736ddf 100644
--- a/src/IceTargetLoweringMIPS32.h
+++ b/src/IceTargetLoweringMIPS32.h
@@ -357,8 +357,7 @@ public:
   }
 
   void _movf(Variable *Src0, Variable *Src1, Operand *FCC) {
-    auto *Instr = Context.insert<InstMIPS32Movf>(Src0, Src1, FCC);
-    Instr->setDestRedefined();
+    Context.insert<InstMIPS32Movf>(Src0, Src1, FCC);
   }
 
   void _movn(Variable *Dest, Variable *Src0, Variable *Src1) {
@@ -374,8 +373,7 @@ public:
   }
 
   void _movt(Variable *Src0, Variable *Src1, Operand *FCC) {
-    auto *Instr = Context.insert<InstMIPS32Movt>(Src0, Src1, FCC);
-    Instr->setDestRedefined();
+    Context.insert<InstMIPS32Movt>(Src0, Src1, FCC);
   }
 
   void _movz(Variable *Dest, Variable *Src0, Variable *Src1) {