re PR rtl-optimization/58934 (build fails on cris-elf in reload_cse_simplify_operands for newlib dtoa.c)

2013-10-31  Martin Jambor  <mjambor@suse.cz>

	PR rtl-optimization/58934
	Revert:
	2013-10-30  Martin Jambor  <mjambor@suse.cz>
	PR rtl-optimization/10474
	* ira.c (find_moveable_pseudos): Do not calculate dominance info
	nor df analysis.
	(interesting_dest_for_shprep): New function.
	(split_live_ranges_for_shrink_wrap): Likewise.
	(ira): Calculate dominance info and df analysis. Call
	split_live_ranges_for_shrink_wrap.

testsuite/
	* gcc.dg/pr10474.c: New testcase.
	* gcc.dg/ira-shrinkwrap-prep-1.c: Likewise.
	* gcc.dg/ira-shrinkwrap-prep-2.c: Likewise.

From-SVN: r204254