https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113295
Tamar Christina <tnfchris at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords|needs-bisection | Summary|[14 Regression] SPEC 2006 |[14 Regression] SPEC 2006 |416.gamess miscompares on |416.gamess miscompares on |Aarch64 when built with |Aarch64 when built with |-Ofast -march=native -flto |-Ofast -mcpu=native since | |g:2f46e3578d45ff060a0a329cb | |39d4f52878f9d5a --- Comment #4 from Tamar Christina <tnfchris at gcc dot gnu.org> --- most of the changes seem to be scheduling and register renaming, so I guess one should compile with scheduling off to reduce the noise a bit. detinp_ does have a weird transformation where a cluster of csel go missing and replaced with mov, but the function is too big for me to quickly tell if this is the issue.