Re: [Qemu-arm] [Qemu-devel] [PATCH v2 27/32] arm/helper.c: re-factor rsqrte and add rsqrte_f16

[Richard Henderson]

On 02/08/2018 09:31 AM, Alex Bennée wrote:
> Much like recpe the ARM ARM has simplified the pseudo code for the
> calculation which is done on a fixed point 9 bit integer maths. So
> while adding f16 we can also clean this up to be a little less heavy
> on the floating point and just return the fractional part and leave
> the calle's to do the final packing of the result.
> 
> Signed-off-by: Alex Bennée <address@hidden>
> 
> ---
> v2
>   - checkpatch fixes
> ---
>  target/arm/helper.c | 221 
> ++++++++++++++++++++++++----------------------------
>  target/arm/helper.h |   1 +
>  2 files changed, 104 insertions(+), 118 deletions(-)

Reviewed-by: Richard Henderson <address@hidden>


r~