------- Comment #6 from zadeck at naturalbridge dot com 2007-06-17 14:01 ------- Subject: Re: libgcc build failure, ICE in cselib_record_set, at cselib.c:1508
rask at sygehus dot dk wrote: > ------- Comment #5 from rask at sygehus dot dk 2007-06-17 08:43 ------- > I agree that the insn is invalid. It probably should be something like this: > > (parallel [ > (set (reg:PSI 7 fb) > (mem:PSI (reg:PSI 7 fb) [0 S4 A8])) > (set (reg:PSI 8 sp) > (plus:PSI (reg:PSI 7 fb) > (const_int 2 [0x2]))) > (return) > ]) > > I.e. one set of sp and fb each. The faulty pattern is named "epilogue_exitd". > The two patterns "prologue_enter_16" and "prologue_enter_24" are also broken > in > that they use > (parallel [ > ... (pre_dec (SP_REGNO)) > (set (SP_REGNO) ...) > ]) > which is just another invalid use of PARALLEL. DJ? > > On the AVR, my bets are on the define_insn "call_prologue_saves" with two sets > of (reg:HI SP_REG) inside the implicit parallel. > > > i assume that you will resolve this with the port maintainers and contact me when you hit the next dataflow related problem. Good luck. Kenny -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32335
