[Bug target/126293] Add x86-64 option to turn on 128-bit inline atomic loads/stores

[jakub at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126293

--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Plus i386.opt.urls regeneration.