Back end question.

[Ian Lance Taylor]

"Dmitry" <mittie@ukr.net> writes:

> But is there a chance that between a rtl generation and splitting an insn, a compiler could use that clobbered CC reg in some of intermediate phases, but after a register allocation it turns out that there shouldn't be any clobber at all?

Yes, there is a chance that that could happen.  If you are lucky you
will be able to clean it up after the splitting and reload, by observing
the redundant set.

Ian