8180823: [s390] Rework/optimize AES intrinsics
Reviewed-by: mdoerr, goetz

8180659: [s390] micro-optimization in resize_frame_absolute()
Reviewed-by: simonis, mdoerr

8175368: [s390] Provide intrinsic implementation for CRC32C
Reviewed-by: mdoerr, simonis

Merge

8175267: [s390] cleanup stub code "handler_for_unsafe_access"
Reviewed-by: dholmes, goetz, mdoerr

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

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