[Bug middle-end/70245] [6 Regression] Miscompilation of ICU on i386 with atom tuning starting with r227382

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70245

--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Ah, you're right, sorry for blindly CCing you after bisecting to a RA related
commit.
The peephole would be fine if replace_rtx worked; unfortunately it does pointer
comparison (x == from) rather than rtx_equal_p.