https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94135
--- Comment #4 from Jens Seifert <jens.seifert at de dot ibm.com> --- Setting CA in XER increases issue to issue latency by 1 on Power8. See: Table 10-14. Issue-to-Issue Latencies In addition, setting the CA restricts instruction reordering.
