--- hatari/src/cpu/softfloat/softfloat.h	2019/04/09 08:57:58	1.1
+++ hatari/src/cpu/softfloat/softfloat.h	2019/04/09 08:59:13	1.1.1.2
@@ -223,6 +223,7 @@ typedef struct float_status {
     flag flush_inputs_to_zero;
     flag default_nan_mode;
     flag snan_bit_is_one;
+	flag floatx80_special_flags;
 } float_status;
 
 /*----------------------------------------------------------------------------
@@ -300,6 +301,30 @@ static inline flag get_default_nan_mode(
 }
 
 /*----------------------------------------------------------------------------
+| Special flags for indicating some unique behavior is required.
+*----------------------------------------------------------------------------*/
+enum {
+	cmp_signed_nan = 0x01, addsub_swap_inf = 0x02, infinity_clear_intbit = 0x04
+};
+
+static inline void set_special_flags(uint8_t flags, float_status *status)
+{
+	status->floatx80_special_flags = flags;
+}
+static inline int8_t fcmp_signed_nan(float_status *status)
+{
+	return status->floatx80_special_flags & cmp_signed_nan;
+}
+static inline int8_t faddsub_swap_inf(float_status *status)
+{
+	return status->floatx80_special_flags & addsub_swap_inf;
+}
+static inline int8_t inf_clear_intbit(float_status *status)
+{
+	return status->floatx80_special_flags & infinity_clear_intbit;
+}
+
+/*----------------------------------------------------------------------------
 | Routine to raise any or all of the software IEC/IEEE floating-point
 | exception flags.
 *----------------------------------------------------------------------------*/