https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93404
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |missed-optimization CC| |rguenth at gcc dot gnu.org Target Milestone|--- |10.0 --- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> --- The init sequence for CODE/MODE is indeed weird. I'd have expected the inits to be merged with the previous zeroing when those args are constants (which they usually are?). Guess the bitfield-ness doesn't play well here. Maybe sth for store-merging (but that runs quite late). Definitely something for a separate bugreport with a shorter testcase.