1 files changed, 5 insertions, 4 deletions

diff --git a/arch/mips/math-emu/dp_sub.c b/arch/mips/math-emu/dp_sub.c
index 2eb87cd23ba8..fc17a781b9ae 100644
--- a/arch/mips/math-emu/dp_sub.c
+++ b/arch/mips/math-emu/dp_sub.c
@@ -37,19 +37,20 @@ union ieee754dp ieee754dp_sub(union ieee754dp x, union ieee754dp y)
         FLUSHYDP;
 
         switch (CLPAIR(xc, yc)) {
-        case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_QNAN):
         case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_SNAN):
-        case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_SNAN):
         case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_SNAN):
         case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_SNAN):
         case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_SNAN):
         case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_SNAN):
+                return ieee754dp_nanxcpt(y);
+
+        case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_SNAN):
+        case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_QNAN):
         case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_ZERO):
         case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_NORM):
         case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_DNORM):
         case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_INF):
-                ieee754_setcx(IEEE754_INVALID_OPERATION);
-                return ieee754dp_nanxcpt(ieee754dp_indef());
+                return ieee754dp_nanxcpt(x);
 
         case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_QNAN):
         case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_QNAN):