[Bug rtl-optimization/79405] [7 Regression] Compile-time hog w/ -O2 (-Os, -O3) on 32-bit BE powerpc targets

[bernds at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79405

--- Comment #5 from Bernd Schmidt <bernds at gcc dot gnu.org> ---
Patch and discussion here:
https://gcc.gnu.org/ml/gcc-patches/2017-02/msg01063.html