re-enable fusion on Power8/9 - Redmine #3057
IBM has contributed fixes for the -mpowerX-fuxion
optimization-related
bug in gcc which will be released with version 9.2. The fix should be
verified and flags for Power 8 and 9 added back to restore performance.
(from redmine: issue id 3057, created on 2019-08-12 by pszilard)
- Relations:
- relates #2747 (closed)
- relates #2746 (closed)
- relates #2734 (closed)