https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102058
--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> --- Created attachment 51355 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51355&action=edit patch to add --param vect-emulated-gather for debugging When using attached patch then 0 vs. 1 on zen2 indeed reproduces Estimated Estimated Base Base Base Peak Peak Peak Benchmarks Ref. Run Time Ratio Ref. Run Time Ratio -------------- ------ --------- --------- ------ --------- --------- 450.soplex 8340 120 69.5 * 8340 136 61.4 * trying to nail it down now.
