https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98429
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Last reconfirmed| |2021-01-05 Ever confirmed|0 |1 Status|UNCONFIRMED |NEW Component|tree-optimization |middle-end --- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> --- This probably asks for a special case during RTL expansion or FMA forming phase. In itself this is first canonicalization (the user could have written x*(1-y) which should also expand to FMA I suppose).