This change contains a row of smaller shared changes required to build the C2 compiler on PPC64. - fixes for aix build - make some methods public we need to call - use RegL for Vectors - some new utility methods --------------------------------- This is preparation for PPC64 integration: http://openjdk.java.net/jeps/175 This and following ppc64 changes will go into staging repository first and tested there: http://hg.openjdk.java.net/ppc-aix-port/stage/ http://hg.openjdk.java.net/ppc-aix-port/jdk8/hotspot/file/338e318f1e12/ppc_patches/0121_basic_C2_adaptions_for_ppc.patch