https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107096
--- Comment #8 from rsandifo at gcc dot gnu.org <rsandifo at gcc dot gnu.org> --- (In reply to rguent...@suse.de from comment #7) > more like precision but x86 uses QImode for two-element, four-element > and eight-element masks (rather than two partial integer modes with > two and four bits precision). Ah, OK. So yeah, maybe the precision of the vector boolean element * the number of elements.