PR target/41082

	PR target/41082
	* config/rs6000/rs6000.c (rs6000_expand_vector_extract): Use stvx
	instead of stve*x.
	(altivec_expand_stv_builtin): For op0 use mode of operand 1 instead
	of operand 0.
	* config/rs6000/altivec.md (VI_scalar): New mode attr.
	(altivec_stve<VI_char>x, *altivec_stvesfx): Use scalar instead of
	vector mode for operand 0, put operand 1 into UNSPEC.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@167629 138bc75d-0d04-0410-961f-82ee72b054a4