https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61208
Richard Earnshaw <rearnsha at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |ASSIGNED Last reconfirmed| |2014-05-19 Known to work|4.9.0 | Assignee|unassigned at gcc dot gnu.org |rearnsha at gcc dot gnu.org Ever confirmed|0 |1 --- Comment #3 from Richard Earnshaw <rearnsha at gcc dot gnu.org> --- Confrimed. This is just latent on 4.9 and trunk. The problem is the arm_cmpdi_unsigned pattern which fails to account for the extra Thumb IT instruction.