[Bug middle-end/52285] [6/7/8 Regression] libgcrypt _gcry_burn_stack slowdown

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52285

--- Comment #20 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Vlad, your thoughts on this?  Can it be done in LRA or postreload-gcse or some
other post-LRA pass (if they do have loops)?