1 files changed, 4 insertions, 0 deletions
diff --git a/sim/common/sim-fpu.c b/sim/common/sim-fpu.c
index d7d8600..4f7fbc9 100644
--- a/sim/common/sim-fpu.c
+++ b/sim/common/sim-fpu.c
@@ -213,7 +213,11 @@ pack_fpu (const sim_fpu *src,
       /* force fraction to correct class */
       fraction = src->fraction;
       fraction >>= NR_GUARDS;
+#ifdef SIM_QUIET_NAN_NEGATED
+      fraction |= QUIET_NAN;
+#else
       fraction &= ~QUIET_NAN;
+#endif
       break;
     case sim_fpu_class_infinity:
       sign = src->sign;