[Bug rtl-optimization/69447] [5/6 Regression] wrong code with -O2 -fno-schedule-insns and mixed 8/16/32/64bit arithmetics @ armv7a

[rth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69447

--- Comment #9 from Richard Henderson <rth at gcc dot gnu.org> ---
Created attachment 37484
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37484&action=edit
proposed patch

Fixes the test case, in that it prevents the remat.

Starting overnight bootstraps for armv7hf, i686, and x86_64...