https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120362
--- Comment #7 from Li Pan <pan2.li at intel dot com> --- Does it possible that the board has set such insn to illegal insn by mistake? The qemu and spike doesn't report any illegal insn. I will go thru the spec for more details. Ideally, the vl1re32.v has the vtype info already.