1 files changed, 19 insertions, 0 deletions
diff --git a/fpu/softfloat-specialize.c.inc b/fpu/softfloat-specialize.c.inc
index b5a3208050..9bca03c4ae 100644
--- a/fpu/softfloat-specialize.c.inc
+++ b/fpu/softfloat-specialize.c.inc
@@ -597,6 +597,25 @@ static int pickNaNMulAdd(FloatClass a_cls, FloatClass b_cls, FloatClass c_cls,
         float_raise(float_flag_invalid | float_flag_invalid_imz, status);
     }
     return 3; /* default NaN */
+#elif defined(TARGET_S390X)
+    if (infzero) {
+        float_raise(float_flag_invalid | float_flag_invalid_imz, status);
+        return 3;
+    }
+
+    if (is_snan(a_cls)) {
+        return 0;
+    } else if (is_snan(b_cls)) {
+        return 1;
+    } else if (is_snan(c_cls)) {
+        return 2;
+    } else if (is_qnan(a_cls)) {
+        return 0;
+    } else if (is_qnan(b_cls)) {
+        return 1;
+    } else {
+        return 2;
+    }
 #elif defined(TARGET_SPARC)
     /* For (inf,0,nan) return c. */
     if (infzero) {