https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119325
--- Comment #18 from rguenther at suse dot de <rguenther at suse dot de> --- On Tue, 18 Mar 2025, ams at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119325 > > --- Comment #16 from Andrew Stubbs <ams at gcc dot gnu.org> --- > Perhaps: > > asm ("mov %0, %1" : "=v"(__from), "v"(__to)); > > or maybe > > asm ("; no-op cast %0" : "=v"(__from), "0"(__to)); > > > Is there a downside to that in the optimizer(s)? well, it's a black box for __from and __to, on GIMPLE also for memory IIRC. But yes, I'd say try it and look at generate code?
