re PR target/79261 (vec_xxpermdi appears to have endian issues)

re PR target/79261 (vec_xxpermdi appears to have endian issues)

[gcc]

2017-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR target/79261
	* config/rs6000/rs6000.c (rs6000_expand_ternop_builtin): Add
	support for CODE_FOR_vsx_xxpermdi_v2d[fi]_be.
	* config/rs6000/rs6000.md (reload_gpr_from_vsx<mode>): Call
	generator for vsx_xxpermdi_<mode>_be.
	* config/rs6000/vsx.md (vsx_xxpermdi_<mode>): Remove logic to
	force big-endian semantics.
	(vsx_xxpermdi_<mode>_be): New define_expand with same
	implementation as previous version of vsx_xxpermdi_<mode>.

[gcc/testsuite]

2017-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR target/79261
	* gcc.target/powerpc/vec-xxpermdi.c: New file.

From-SVN: r245545