vsx.md (xxswapd_<mode>): Add support for V2DF and V2DI modes.

gcc/ChangeLog:

2019-11-06  Kelvin Nilsen  <kelvin@gcc.gnu.org>

	* config/rs6000/vsx.md (xxswapd_<mode>): Add support for V2DF and
	V2DI modes.

From-SVN: r277893

gcc/ChangeLog

+2019-11-06  Kelvin Nilsen  <kelvin@gcc.gnu.org>
+
+	* config/rs6000/vsx.md (xxswapd_<mode>): Add support for V2DF and
+	V2DI modes.
+
 2019-11-06  Jan Hubicka  <jh@suse.cz>
 
 	* ggc-common.c (ggc_prune_overhead_list): Do not delete surviving

gcc/config/rs6000/vsx.md

@@ -2987,6 +2987,17 @@
   "xxpermdi %x0,%x1,%x1,2"
   [(set_attr "type" "vecperm")])
 
+(define_insn "xxswapd_<mode>"
+  [(set (match_operand:VSX_D 0 "vsx_register_operand" "=wa")
+	(vec_select:VSX_D
+	  (match_operand:VSX_D 1 "vsx_register_operand" "wa")
+	  (parallel [(const_int 1) (const_int 0)])))]
+  "TARGET_VSX"
+;; AIX does not support extended mnemonic xxswapd.  Use the basic
+;; mnemonic xxpermdi instead.
+  "xxpermdi %x0,%x1,%x1,2"
+  [(set_attr "type" "vecperm")])
+
 ;; lxvd2x for little endian loads.  We need several of
 ;; these since the form of the PARALLEL differs by mode.
 (define_insn "*vsx_lxvd2x2_le_<mode>"