target-ppc: add vexptefp instruction

Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index 66e1c0d..95ab0a1 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -6382,6 +6382,7 @@
 GEN_VXFORM_NOA(vupklpx, 7, 15);
 GEN_VXFORM_NOA(vrefp, 5, 4);
 GEN_VXFORM_NOA(vrsqrtefp, 5, 5);
+GEN_VXFORM_NOA(vexptefp, 5, 6);
 GEN_VXFORM_NOA(vlogefp, 5, 7);
 GEN_VXFORM_NOA(vrfim, 5, 8);
 GEN_VXFORM_NOA(vrfin, 5, 9);
@@ -8696,6 +8697,7 @@
 GEN_VXFORM_NOA(vupklpx, 7, 15),
 GEN_VXFORM_NOA(vrefp, 5, 4),
 GEN_VXFORM_NOA(vrsqrtefp, 5, 5),
+GEN_VXFORM_NOA(vexptefp, 5, 6),
 GEN_VXFORM_NOA(vlogefp, 5, 7),
 GEN_VXFORM_NOA(vrfim, 5, 8),
 GEN_VXFORM_NOA(vrfin, 5, 9),