kerneltest.c:22: error: unrecognizable insn: (jump_insn 26 25 29 3 (set (pc) (create_body_after (cre (reg:DI 75) (const_int 0 [0x0])) (label_ref 13) (pc))) -1 (nil) (nil)) kerneltest.c:22: internal compiler error: in extract_insn, at recog.c:2096 Please submit a full bug report, with preprocessed source if appropriate. See <URL:http://gcc.gnu.org/bugs.html> for instructions.
Find a pattern that is close to this one in your md file ( i.e. the define_insn that you think should match this pattern, assuming such a define_insn exists in your md file) and then try to check the reason for recog crashing. IMO, the predicate may not be passing. regards, Pranav