https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97759
--- Comment #11 from Hongtao.liu <crazylht at gmail dot com> --- (In reply to gcc-bugs from comment #10) > And maybe a related question: > > I know that an arithmetic implementation might auto-vectorize, but would a > popcount implementation do that too? > > Since AVX512_BITALG > (https://software.intel.com/sites/landingpage/IntrinsicsGuide/ > #text=popcnt&expand=4350) retro-introduced popcount for smaller vector > lengths, what is with instruction sets like AVX2 and lower? I open a bugzilla for it in 97770.
