https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103995
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Last reconfirmed| |2022-01-13 Keywords| |needs-bisection CC| |marxin at gcc dot gnu.org, | |rguenth at gcc dot gnu.org, | |tnfchris at gcc dot gnu.org Blocks| |53947 Ever confirmed|0 |1 Status|UNCONFIRMED |NEW --- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> --- Confirmed on the GCC 11 branch head, I suspect it's something to do with SLP patterns and I cannot reproduce with recent GCC 12. Tamar, are there any fixes that need backporting in this area? Martin, can you bisect what fixed it on trunk? Referenced Bugs: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53947 [Bug 53947] [meta-bug] vectorizer missed-optimizations