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[PULL,07/22] include/fpu/softfloat: implement float16_set_sign helper

Message ID 20180221110523.859-8-alex.bennee@linaro.org
State New
Headers show
Series [PULL,01/22] fpu/softfloat: implement float16_squash_input_denormal | expand

Commit Message

Alex Bennée Feb. 21, 2018, 11:05 a.m. UTC 
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
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Patch

diff --git a/include/fpu/softfloat.h b/include/fpu/softfloat.h
index f75aa59100..59c06ef192 100644
--- a/include/fpu/softfloat.h
+++ b/include/fpu/softfloat.h
@@ -281,6 +281,11 @@  static inline float16 float16_chs(float16 a)
     return make_float16(float16_val(a) ^ 0x8000);
 }
 
+static inline float16 float16_set_sign(float16 a, int sign)
+{
+    return make_float16((float16_val(a) & 0x7fff) | (sign << 15));
+}
+
 /*----------------------------------------------------------------------------
 | The pattern for a default generated half-precision NaN.
 *----------------------------------------------------------------------------*/