This will be required when expanding the MINMAX() macro for 16
bit/half-precision operations.
Signed-off-by: Alex Bennée <alex.ben...@linaro.org>
Reviewed-by: Richard Henderson <richard.hender...@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4...@amsat.org>
Reviewed-by: Peter Maydell <peter.mayd...@linaro.org>
---
include/fpu/softfloat.h | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/include/fpu/softfloat.h b/include/fpu/softfloat.h
index f3b9008f78..1d34f2c3eb 100644
--- a/include/fpu/softfloat.h
+++ b/include/fpu/softfloat.h
@@ -265,6 +265,13 @@ static inline int float16_is_zero_or_denormal(float16 a)
return (float16_val(a) & 0x7c00) == 0;
}
+static inline float16 float16_abs(float16 a)
+{
+ /* Note that abs does *not* handle NaN specially, nor does
+ * it flush denormal inputs to zero.
+ */
+ return make_float16(float16_val(a) & 0x7fff);
+}
/*----------------------------------------------------------------------------
| The pattern for a default generated half-precision NaN.
*----------------------------------------------------------------------------*/
--
2.15.1
