PR rtl-optimization/10474
	* ira.c (interesting_dest_for_shprep_1): New function.
	(interesting_dest_for_shprep): Use interesting_dest_for_shprep_1,
	also check parallels.

testsuite/
	* gcc.dg/pr10474.c: Also test ppc64.
	* gcc.dg/ira-shrinkwrap-prep-1.c: Also tes ppc64, changed all ints
        to longs.
	* gcc.dg/ira-shrinkwrap-prep-2.c: Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@205281 138bc75d-0d04-0410-961f-82ee72b054a4