Re: [Qemu-devel] [PATCH v2] target/arm: Vectorize USHL and SSHL

[Peter Maydell]

On Tue, 4 Jun 2019 at 00:22, Richard Henderson
<address@hidden> wrote:
>
> These instructions shift left or right depending on the sign
> of the input, and 7 bits are significant to the shift.  This
> requires several masks and selects in addition to the actual
> shifts to form the complete answer.
>
> That said, the operation is still a small improvement even for
> two 64-bit elements -- 13 vector operations instead of 2 * 7
> integer operations.
>
> Signed-off-by: Richard Henderson <address@hidden>
> ---

Applied to target-arm.next, thanks.

NB: in v1 this series had a second patch. I'm assuming you
dropped it deliberately -- if not, let me know.

thanks
-- PMM