2011/10/11 Georg-Johann Lay <a...@gjlay.de>:
> This is a small addendum to PR50447.
>
> It's a change to addsi3 insn; the actual insn sequence printed is still the
> same (except for adding +/-1 to l-reg) but the effect on cc0 is worked out so
> that it can be used to cancel out comparisons like in long loops.
>
> cc insn attribute gets one more alternative and notice_update_cc calls
> respective output function that works out the effect on cc0.
>
> Passed without regressions. Ok for trunk?

Ok.

Denis.

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