Stuart Henderson <s...@spacehopper.org> writes: > This is in the avx512 checks in the text library again, I think it must > be patch-libraries_text_cbits_measure_off_c (the simdutf one doesn't > explicitly check for xgetbv but it does check for osxsave so I think > wouldn't have executed the xgetbv opcode on this cpu). > > As -current does now have avx512 support in the kernel we probably > should be able to remove that patch, but it needs testing on an avx512 > machine as well as that old Phenom.
Sadly I have neither nearby. Furthermore, sumdutf upstream doesn't have a fix for this issue either. So this will have to be original work. https://github.com/simdutf/simdutf/blob/master/include/simdutf/internal/isadetection.h#L232 Thanks Greg
