[gcc]

2017-05-05  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* config/rs6000/rs6000.c (rs6000_vect_nonmem): New static var.
	(rs6000_init_cost): Initialize rs6000_vect_nonmem.
	(rs6000_add_stmt_cost): Update rs6000_vect_nonmem.
	(rs6000_finish_cost): Avoid vectorizing simple copy loops with
	VF=2 that require versioning.

[gcc/testsuite]

2017-05-05  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* gcc.target/powerpc/versioned-copy-loop.c: New file.

From-SVN: r247671