Add vs{l,r}o instructions.

Signed-off-by: Nathan Froyd <froydnj@codesourcery.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6167 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/target-ppc/op_helper.c b/target-ppc/op_helper.c
index 06c101c..3eee553 100644
--- a/target-ppc/op_helper.c
+++ b/target-ppc/op_helper.c
@@ -17,6 +17,7 @@
  * License along with this library; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA  02110-1301 USA
  */
+#include <string.h>
 #include "exec.h"
 #include "host-utils.h"
 #include "helper.h"
@@ -2103,6 +2104,19 @@
 VSL(w, u32)
 #undef VSL
 
+void helper_vslo (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
+{
+  int sh = (b->u8[LO_IDX*0xf] >> 3) & 0xf;
+
+#if defined (WORDS_BIGENDIAN)
+  memmove (&r->u8[0], &a->u8[sh], 16-sh);
+  memset (&r->u8[16-sh], 0, sh);
+#else
+  memmove (&r->u8[sh], &a->u8[0], 16-sh);
+  memset (&r->u8[0], 0, sh);
+#endif
+}
+
 #define VSR(suffix, element)                                            \
     void helper_vsr##suffix (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)  \
     {                                                                   \
@@ -2121,6 +2135,19 @@
 VSR(w, u32)
 #undef VSR
 
+void helper_vsro (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
+{
+  int sh = (b->u8[LO_IDX*0xf] >> 3) & 0xf;
+
+#if defined (WORDS_BIGENDIAN)
+  memmove (&r->u8[sh], &a->u8[0], 16-sh);
+  memset (&r->u8[0], 0, sh);
+#else
+  memmove (&r->u8[0], &a->u8[sh], 16-sh);
+  memset (&r->u8[16-sh], 0, sh);
+#endif
+}
+
 #undef VECTOR_FOR_INORDER_I
 #undef HI_IDX
 #undef LO_IDX