hg: jdk/sandbox: 8213196: [ppc] [s390]: prepare code for gcc7.3.1 warning (int-in-bool-context)

[chris.hegarty at oracle.com]

Changeset: df84c02f4780
Author:    lucy
Date:      2018-11-05 14:02 +0100
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/df84c02f4780

8213196: [ppc] [s390]: prepare code for gcc7.3.1 warning (int-in-bool-context)
Reviewed-by: mdoerr, stuefe

! src/hotspot/cpu/ppc/ppc.ad
! src/hotspot/cpu/s390/s390.ad