re PR testsuite/90615 (several vector test cases fail starting with r271553)

2019-05-27  Richard Biener  <rguenther@suse.de>

	PR testsuite/90615
	* gcc.dg/vect/costmodel/ppc/costmodel-vect-31b.c: Add
	-fno-tree-loop-distribute-patterns.
	* gcc.dg/vect/costmodel/ppc/costmodel-vect-33.c: Likewise.
	* gcc.dg/vect/costmodel/ppc/costmodel-vect-76a.c: Likewise.
	* gcc.dg/vect/costmodel/ppc/costmodel-vect-76b.c: Likewise.
	* gcc.dg/vect/costmodel/ppc/costmodel-vect-76c.c: Likewise.
	* gcc.target/powerpc/vsx-vectorize-1.c: Likewise.

From-SVN: r271645