On Wed, Feb 24, 2021 at 08:52:44PM +0100, Marc Glisse wrote: > On Wed, 24 Feb 2021, Jakub Jelinek via Gcc-patches wrote: > > > The following patch adds single_use case which restores these testcases > > but keeps the testcases the patch meant to improve as is. > > Hello, > > I wonder if :s would be sufficient here? I don't have an opinion on which > one is better for this particular transformation (don't change the patch > because of my comment), we just seem to be getting more and more uses of > single_use in match.pd, maybe at some point we need to revisit the meaning > of :s or introduce a stronger :S.
:s seems to work for these testcases too, I'm never sure about :s vs. single_use. Jakub