softfloat: Add float16_is_normal
This float16 predicate was missing from the normal set.
Signed-off-by: Stephen Long <steplong@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
diff --git a/include/fpu/softfloat.h b/include/fpu/softfloat.h
index 0a5a5e5..863dfc6 100644
--- a/include/fpu/softfloat.h
+++ b/include/fpu/softfloat.h
@@ -272,6 +272,11 @@
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
