hg: ppc-aix-port/jdk7u/hotspot: Fix usage of feature detection on ppc for fsqrt instruction. Also guarantee no wrong instructions are used.

[goetz.lindenmaier at sap.com]

Changeset: 80893e362c98
Author:    goetz
Date:      2014-01-28 10:47 +0100
URL:       http://hg.openjdk.java.net/ppc-aix-port/jdk7u/hotspot/rev/80893e362c98

Fix usage of feature detection on ppc for fsqrt instruction. Also guarantee no wrong instructions are used.

! src/cpu/ppc/vm/assembler_ppc.inline.hpp
! src/cpu/ppc/vm/ppc.ad
! src/cpu/ppc/vm/vm_version_ppc.cpp
! src/cpu/ppc/vm/vm_version_ppc.hpp
! src/share/vm/opto/library_call.cpp