gcc/

	* config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
	non-word-aligned REG+CONST addressing.

gcc/testsuite/

	* gcc.c-torture/compile/20090107-1.c: New test.


Co-Authored-By: Alan Modra <amodra@bigpond.net.au>

From-SVN: r143171