[Bug rtl-optimization/70873] [7 Regressio] 20% performance regression at 482.sphinx3 after r235442 with -O2 -m32 on Haswell.

[ubizjak at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70873

--- Comment #9 from Uroš Bizjak <ubizjak at gmail dot com> ---
(In reply to Bernd Schmidt from comment #8)
> mach-reorg seems too late, I think you'd want to schedule the xors?

Yes, indeed. That leaves _.split4 to perform splits.