PR target/84226
	* config/rs6000/vsx.md (p9_xxbrq_v16qi): Change input operand
	constraint from =wa to wa.  Avoid a subreg on the output operand,
	instead use a pseudo and subreg it in a move.
	(p9_xxbrd_<mode>): Changed to ...
	(p9_xxbrd_v2di): ... this insn, without VSX_D iterator.
	(p9_xxbrd_v2df): New expander.
	(p9_xxbrw_<mode>): Changed to ...
	(p9_xxbrw_v4si): ... this insn, without VSX_W iterator.
	(p9_xxbrw_v4sf): New expander.

	* gcc.target/powerpc/pr84226.c: New test.

From-SVN: r257536