On Fri, Aug 10, 2018 at 9:31 PM, Richard Henderson
<richard.hender...@linaro.org> wrote:
> For 0x1.0000000000003p+0 + 0x1.ffffffep+14 = 0x1.0001fffp+15
> we dropped the sticky bit and so failed to raise inexact.
>
> Reported-by: Laurent Desnogues <laurent.desnog...@gmail.com>
> Signed-off-by: Richard Henderson <richard.hender...@linaro.org>
Tested-by: Laurent Desnogues <laurent.desnog...@gmail.com>
Reviewed-by: Laurent Desnogues <laurent.desnog...@gmail.com>
Laurent
> ---
> fpu/softfloat.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fpu/softfloat.c b/fpu/softfloat.c
> index 8cd2400081..7d63cffdeb 100644
> --- a/fpu/softfloat.c
> +++ b/fpu/softfloat.c
> @@ -701,7 +701,7 @@ static FloatParts addsub_floats(FloatParts a, FloatParts
> b, bool subtract,
> }
> a.frac += b.frac;
> if (a.frac & DECOMPOSED_OVERFLOW_BIT) {
> - a.frac >>= 1;
> + shift64RightJamming(a.frac, 1, &a.frac);
> a.exp += 1;
> }
> return a;
> --
> 2.17.1
>
