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-rw-r--r--fpu/softfloat-specialize.c.inc3
1 files changed, 2 insertions, 1 deletions
diff --git a/fpu/softfloat-specialize.c.inc b/fpu/softfloat-specialize.c.inc
index 943e3301d2..a43ff5e02e 100644
--- a/fpu/softfloat-specialize.c.inc
+++ b/fpu/softfloat-specialize.c.inc
@@ -390,7 +390,8 @@ bool float32_is_signaling_nan(float32 a_, float_status *status)
 static int pickNaN(FloatClass a_cls, FloatClass b_cls,
                    bool aIsLargerSignificand, float_status *status)
 {
-#if defined(TARGET_ARM) || defined(TARGET_MIPS) || defined(TARGET_HPPA)
+#if defined(TARGET_ARM) || defined(TARGET_MIPS) || defined(TARGET_HPPA) || \
+    defined(TARGET_S390X)
     /* ARM mandated NaN propagation rules (see FPProcessNaNs()), take
      * the first of:
      *  1. A if it is signaling