Back out most of r15145 which reports bug fixes for various altivec insns.
Either those bugs have been fixed looong time ago, or the reporter ran 
on a host without altivec capabilities, or those insns were actually
e500 insns which are not supported at all at this point.

git-svn-id: svn:// a5019735-40e9-0310-863c-91ae7b9d1cf9
1 file changed