https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89281
--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Author: jakub Date: Fri Aug 30 11:50:35 2019 New Revision: 275108 URL: https://gcc.gnu.org/viewcvs?rev=275108&root=gcc&view=rev Log: Backported from mainline 2019-02-13 Jakub Jelinek <ja...@redhat.com> PR middle-end/89281 * optabs.c (prepare_cmp_insn): Use UINTVAL (size) instead of INTVAL (size), compare it to GET_MODE_MASK instead of 1 << GET_MODE_BITSIZE. Modified: branches/gcc-7-branch/gcc/ChangeLog branches/gcc-7-branch/gcc/optabs.c