https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100762
--- Comment #1 from Evan Nemerson <e...@coeus-group.com> --- It's not just comparisons. <<, >>, /, * also don't work. AFAICT only bitwise operations and +/- work, as well as everything with a 64-bit element type (i.e., a vector of one element)… 8/16/32-bit elements all fail.