Hi,

Following the previous one 2/3, this patch is to update the
vector conversions between fixed point and floating point
with different element unit sizes, such as: SP <-> DI, DP <-> SI.

Bootstrap and regression testing just launched.


gcc/ChangeLog

2019-10-23  Kewen Lin  <linkw@gcc.gnu.org>

	* config/rs6000/rs6000-modes.def (V2SF, V2SI): New modes.
	* config/rs6000/vsx.md (UNSPEC_VSX_CVDPSXWS, UNSPEC_VSX_CVSXDSP, 
	UNSPEC_VSX_CVUXDSP, UNSPEC_VSX_CVSPSXDS, UNSPEC_VSX_CVSPUXDS): Remove.
	(vsx_xvcvspdp): New define_expand, old one split to...
	(vsx_xvcvspdp_be): ... this.  New.  And...
	(vsx_xvcvspdp_le): ... this.  New.
	(vsx_xvcvdpsp): New define_expand, old one split to...
	(vsx_xvcvdpsp_be): ... this.  New.  And...
	(vsx_xvcvdpsp_le): ... this.  New.
	(vsx_xvcvdp[su]xws): New define_expand, old one split to...
	(vsx_xvcvdp<su>xws_be): ... this.  New.  And...
	(vsx_xvcvdp<su>xws_le): ... this.  New.
	(vsx_xvcv[su]xdsp): New define_expand, old one split to...
	(vsx_xvcv<su>xdsp_be): ... this.  New.  And...
	(vsx_xvcv<su>xdsp_le): ... this.  New.
	(vsx_xvcv[su]xwdp): New define_expand, old one split to...
	(vsx_xvcv<su>xwdp_be): ... this.  New.  And...
	(vsx_xvcv<su>xwdp_le): ... this.  New.
	(vsx_xvcvsp[su]xds): New define_expand, old one split to...
	(vsx_xvcvsp<su>xds_be): ... this.  New.  And...
	(vsx_xvcvsp<su>xds_le): ... this.  New.