https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67591
ktkachov at gcc dot gnu.org changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2015-09-15 CC| |ktkachov at gcc dot gnu.org Ever confirmed|0 |1 --- Comment #1 from ktkachov at gcc dot gnu.org --- Confirmed. This is the assembler warning about the ARMv8-A IT blocks when they contain non-16 bit instructions. The main culprits are the conditional compare patterns: *cmp_and and friends.