[Bug target/82260] [x86] Unnecessary use of 8-bit registers with -Os. slightly slower and larger code

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82260

--- Comment #7 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Fixed for 8+.
For the rest please file separate PR or PRs.
GCC -Os is something in between llvm -Oz and -Os, we aren't trying to reduce
size at all costs, but are certainly trying more than llvm -Os does.