8172049: [s390] Implement "JEP 270: Reserved Stack Areas for Critical Sections".
Reviewed-by: mdoerr

8171398: s390x: Make interpreter's math entries consistent with C1 and C2 and support FMA
Reviewed-by: lucy, goetz

8171008: Integrate AOT compiler into JDK
Reviewed-by: erikj, mchung, psandoz, coleenp, iklam, stefank, simonis
Contributed-by: Bharadwaj Yadavalli <bharadwaj.yadavalli@oracle.com>, Christian Thalinger <cthalinger@twitter.com>, Dean Long <dean.long@oracle.com>, Dmitrij Pochepko <dmitrij.pochepko@oracle.com>, Dmitry Chuyko <dmitry.chuyko@oracle.com>, Doug Simon <doug.simon@oracle.com>, Eric Caspole <eric.caspole@oracle.com>, Igor Ignatyev <igor.ignatyev@oracle.com>, Igor Veresov <igor.veresov@oracle.com>, John Rose <john.r.rose@oracle.com>, Morris Meyer <morris.meyer@oracle.com>, Niclas Adlertz <niclas.adlertz@oracle.com>, Rickard Backman <rickard.backman@oracle.com>

8169317: [s390] Various minor bug fixes and adaptions.
Reviewed-by: mdoerr

8167673: [s390] The s390 port.
Summary: template interpreter, C1, C2
Reviewed-by: kvn, simonis