https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80501
--- Comment #7 from Uroš Bizjak <ubizjak at gmail dot com> --- Comment on attachment 41252 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41252 gcc8-pr80501.patch > && exact_log2 (UINTVAL (XEXP (inner, 1))) >- >= GET_MODE_BITSIZE (mode)))) >+ >= GET_MODE_BITSIZE (mode) - 1))) This can be written as "> GET_MODE_BITSIZE (mode)".