[Bug rtl-optimization/93908] [8/9/10 Regression] git miscompilation on s390x-linux with -O2 -march=zEC12 -mtune=z13 starting with r8-1288

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93908

--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 47900
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=47900&action=edit
gcc10-pr93908.patch

Untested fix.