https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100108
--- Comment #2 from Rin Okuyama <rin at NetBSD dot org> --- e500mc also supports isel. See its reference manual (Sec. 3.4.5.3): https://www.nxp.com/docs/en/reference-manual/E500MCRM.pdf or source code of binutils/gas: https://sourceware.org/git/?p=binutils-gdb.git;a=blob;f=gas/config/tc-ppc.c;h=c719b408b0eb59357f6d7e7022a9d041e181c318;hb=HEAD#l3973