On 22 July 2014 12:23, Kyrill Tkachov 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
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
