[Bug target/106069] [12/13 Regression] wrong code with -O -fno-tree-forwprop -maltivec on ppc64le

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106069

--- Comment #7 from Segher Boessenkool <segher at gcc dot gnu.org> ---
(The original insns, before this combination.)