2019-10-23  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/92179
	* tree-vect-stmts.c (vectorizable_shift): For shift args
	that are all the same remove type restriction in the SLP case.
	Adjust SLP code to handle converting of the shift arg to
	only apply in case the modes are different.

From-SVN: r277310