[Bug rtl-optimization/122992] speed up loops with TEST_HARD_REG_BIT using EXECUTE_IF_SET_IN_HARD_REG_SET

[fche at redhat dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122992

--- Comment #19 from Frank Ch. Eigler <fche at redhat dot com> ---
> Note that the two test machines use different CPUs,

Interesting!  OK, extended the bunsen/buildbot datagathering on sourceware to
snarf up CPU name/flags into the build metadata for future builds.