Re: [Qemu-arm] [Qemu-devel] [PATCH 2/4] target/arm: simplify and optimize aarch64 rev16

[Richard Henderson]

On 05/16/2017 04:01 PM, Aurelien Jarno wrote:
> Instead of byteswapping individual 16-bit words one by one, work on the
> whole register at the same time using shifts and mask. This is the same
> strategy than the aarch32 version of rev16 and is much more efficient
> in the case sf=1.
>
> Signed-off-by: Aurelien Jarno<address@hidden>
> ---
>   target/arm/translate-a64.c | 24 ++++++------------------
>   1 file changed, 6 insertions(+), 18 deletions(-)

Reviewed-by: Richard Henderson <address@hidden>


r~