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[Bug target/43892] PowerPC suboptimal "add with carry" optimization


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=43892

--- Comment #20 from joakim.tjernlund at transmode dot se <joakim.tjernlund at transmode dot se> ---
(In reply to Segher Boessenkool from comment #19)
> Current code:
> 
> add 3,3,4
> subfc 4,4,3
> subfe 9,9,9
> subf 3,9,3
> 
> so we got rid of the useless register move.

Which gcc version?

Any progress with the bigger change(cc expander)?


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