https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112547
--- Comment #3 from Haochen Jiang <haochen.jiang at intel dot com> --- (In reply to Haochen Jiang from comment #2) > It is weird since I did not touch the tune. > > Need a bisect to check that but I do not have a zen4 machine. > > Could you try with this commit g:459866eaeec151e72aecd670695f014f4ec48588 to > see if the regression still occurs? > > If that still occurs, a guess might be zmm vectorization is not enabled > corrected under some scenario. Sorry, should be if that regression disappeared, not occured.
