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Re: [PATCH][AArch64][2/2] Add rtx cost function handling of clz, clrsb, rbit


On 22 July 2014 12:23, Kyrill Tkachov <kyrylo.tkachov@arm.com> wrote:
> Hi all,
>
> Following up on patch "[1/2] Remove UNSPEC_CLS and use clrsb RTL code in
> its' place" this patch adds rtx costs handling of the CLZ, CLRSB RTL codes
> as well as the UNSPEC_RBIT unspec.
>
> The CLZ and CLRSB cases are handled identically (they are implemented by the
> clz and cls instructions respectively).
>
> Bootstrapped and tested on aarch64-linux.
>
> Ok for trunk?

OK /Marcus


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