https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101908
--- Comment #25 from H.J. Lu <hjl.tools at gmail dot com> --- (In reply to cuilili from comment #24) > (In reply to cuilili from comment #23) > > (In reply to Richard Biener from comment #17) > > > I do wonder though how CLX is fine with such access pattern ;) (did you > > > test > > > with just -O2?) > > > Sorry, correct w/ and w/t order. > > Actually CLX also has STLF issues, there is 13.7% regression when comparing > "gcc trunk + -O2" w/t and w/ "-fno-tree-vectorize" Can this be mitigated by removing redundant load and store?
