softfloat: fix crash on int conversion of SNaN

Signed-off-by: Stef O'Rear <[email protected]> Reviewed-by: Alex Bennée <[email protected]> Signed-off-by: Peter Maydell <[email protected]>
cfriedt · Mar 9, 2018 · cffad42 · cffad42
1 parent d9bbfea
commit cffad42
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/fpu/softfloat.c b/fpu/softfloat.c
@@ -1342,6 +1342,8 @@ static int64_t round_to_int_and_pack(FloatParts in, int rmode,
     switch (p.cls) {
     case float_class_snan:
     case float_class_qnan:
+    case float_class_dnan:
+    case float_class_msnan:
         return max;
     case float_class_inf:
         return p.sign ? min : max;
@@ -1430,6 +1432,8 @@ static uint64_t round_to_uint_and_pack(FloatParts in, int rmode, uint64_t max,
     switch (p.cls) {
     case float_class_snan:
     case float_class_qnan:
+    case float_class_dnan:
+    case float_class_msnan:
         s->float_exception_flags = orig_flags | float_flag_invalid;
         return max;
     case float_class_inf: