On Thu, 26 May 2016, Kyrill Tkachov wrote: > the early RTL optimisers. This better expresses the semantics of the > operation as a whole, since the RBIT operation is represented as an > UNSPEC anyway and so will not see the benefits of combine,
This doesn't affect your patch, but I think it would make sense for RBIT not to be an UNSPEC but to have architecture-independent RTL and built-in function - see bug 50481. -- Joseph S. Myers jos...@codesourcery.com
