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

[joakim.tjernlund at transmode dot se]

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

--- Comment #22 from joakim.tjernlund at transmode dot se <joakim.tjernlund at transmode dot se> ---
(In reply to Segher Boessenkool from comment #21)
> Mainine (will be GCC 5 in a few months).
> 
> There is no addcc thing, that is not suitable for PowerPC.
> The big changes are in though (and they are much bigger than
> I originally thought, fwiw -- scope creep ;-) )

Nice, but why is not addcc suitable for powerpc?
I guess you mean in its current form, it needs to be adapted to
really fit ppc(so that a loop with addcc in it is optimal)?