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include/fpu/softfloat: implement float16_set_sign helper

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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>
This commit is contained in:
Alex Bennée 2017-12-08 17:03:13 +00:00
parent 5f10aef521
commit 78b5a3e653
1 changed files with 5 additions and 0 deletions
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5
include/fpu/softfloat.h
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@ -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.
*----------------------------------------------------------------------------*/