https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99092
ktkachov at gcc dot gnu.org changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |ktkachov at gcc dot gnu.org --- Comment #5 from ktkachov at gcc dot gnu.org --- I do think it's one of those LLVM assembler issues. Maybe it's due to the fact that "prfm PLDL1KEEP, [x0, -8]" is just the alias to the: prfum pldl1keep, [x0, #-8] architectural instruction. Or it could be that the lack of '#' confuses the assembler