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include/fpu/softfloat: implement float16_set_sign helper

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Backports commit 78b5a3e653c90b56ba650f54c07fc18f7b7bd905 from qemu
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Alex Bennée 2018-03-08 10:01:29 -05:00 committed by Lioncash
parent 380699fa35
commit d14a090e65
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1 changed files with 5 additions and 0 deletions
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qemu/include/fpu/softfloat.h
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@ -268,6 +268,11 @@ 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.
*----------------------------------------------------------------------------*/