Richard Henderson <[EMAIL PROTECTED]> writes: > Note that there's no longer any insn that *sets* cc_reg. I think > that's a bit dangerous.
Hmmm, good point. > One solution to this is to convert the new setter to > > [(set (reg 1) (plus (reg 1) (reg 2))) > (set (reg cc_reg) (unspec [(const_int 0)] cc_set))] > > I don't think it matters what we set cc_reg to, just that *some* > set is visible in the instruction stream. > > This requires that we generate two patterns for clobbercc insns, > but that shouldn't be a problem. Makes sense. Ian
