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

[segher at gcc dot gnu.org via Gcc-bugs]

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

--- Comment #35 from Segher Boessenkool <segher at gcc dot gnu.org> ---
You get something like

.L5:
        lwzu 9,4(10)
        addc 8,3,9
        adde 3,9,3
        bdnz .L5