[Bug target/110096] Would be nice if __builtin_ia32_pause had a portable equivalent as it's applicable to ARM

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110096

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Oh and the acle defines how to detect compiling on arm targets and gcc follows
that.