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.

From-SVN: r205281