Request for review (s) - 8031290: Adjust call to getisax() for additional words returned

[Jon Masamitsu]

8031290: Adjust call to getisax() for additional words returned

Accept the 2nd word returned by getisax() on Solaris and use
its contents to recognize AV2_SPARC_SPARC5 instructions.

http://cr.openjdk.java.net/~jmasa/8031290/webrev.00/

Should this integrate through hotspot-compiler?

Thanks to Vladimir for most of this fix.

Jon