http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54688
--- Comment #11 from Bernd Schmidt <bernds at gcc dot gnu.org> 2012-09-27 13:28:12 UTC --- Hmm, strange. What if you just make a change like this: @@ -4600,8 +4600,7 @@ parse_add_or_inc (struct mem_inc_info *m if (!REG_P (SET_DEST (pat))) return false; - if (GET_CODE (SET_SRC (pat)) != PLUS - && GET_CODE (SET_SRC (pat)) != MINUS) + if (GET_CODE (SET_SRC (pat)) != PLUS) return false; mii->inc_insn = insn;