2010-09-17  Sebastian Pop  <sebastian.pop@amd.com>

	Revert commit: 2009-12-16  Ben Elliston  <bje@au.ibm.com>
	* tree-data-ref.c (dot_rdg_1): Added back.
	(dot_rdg): Same.  Added "#if 0" around system call.

From-SVN: r164380