diff --git a/qemu/include/fpu/softfloat.h b/qemu/include/fpu/softfloat.h
index b543f1e4..0b27ad93 100644
--- a/qemu/include/fpu/softfloat.h
+++ b/qemu/include/fpu/softfloat.h
@@ -275,6 +275,11 @@ static inline bool float16_is_zero_or_denormal(float16 a)
     return (float16_val(a) & 0x7c00) == 0;
 }
 
+static inline bool float16_is_normal(float16 a)
+{
+    return (((float16_val(a) >> 10) + 1) & 0x1f) >= 2;
+}
+
 static inline float16 float16_abs(float16 a)
 {
     /* Note that abs does *not* handle NaN specially, nor does