[Qemu-devel] [6167] Add vs{l,r}o instructions.

[Aurelien Jarno]

Revision: 6167
          http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=6167
Author:   aurel32
Date:     2009-01-04 22:09:19 +0000 (Sun, 04 Jan 2009)

Log Message:
-----------
Add vs{l,r}o instructions.

Signed-off-by: Nathan Froyd <address@hidden>
Signed-off-by: Aurelien Jarno <address@hidden>

Modified Paths:
--------------
    trunk/target-ppc/helper.h
    trunk/target-ppc/op_helper.c
    trunk/target-ppc/translate.c

Modified: trunk/target-ppc/helper.h
===================================================================
--- trunk/target-ppc/helper.h   2009-01-04 22:09:08 UTC (rev 6166)
+++ trunk/target-ppc/helper.h   2009-01-04 22:09:19 UTC (rev 6167)
@@ -146,6 +146,8 @@
 DEF_HELPER_3(vslb, void, avr, avr, avr)
 DEF_HELPER_3(vslh, void, avr, avr, avr)
 DEF_HELPER_3(vslw, void, avr, avr, avr)
+DEF_HELPER_3(vslo, void, avr, avr, avr)
+DEF_HELPER_3(vsro, void, avr, avr, avr)
 
 DEF_HELPER_1(efscfsi, i32, i32)
 DEF_HELPER_1(efscfui, i32, i32)

Modified: trunk/target-ppc/op_helper.c
===================================================================
--- trunk/target-ppc/op_helper.c        2009-01-04 22:09:08 UTC (rev 6166)
+++ trunk/target-ppc/op_helper.c        2009-01-04 22:09:19 UTC (rev 6167)
@@ -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

Modified: trunk/target-ppc/translate.c
===================================================================
--- trunk/target-ppc/translate.c        2009-01-04 22:09:08 UTC (rev 6166)
+++ trunk/target-ppc/translate.c        2009-01-04 22:09:19 UTC (rev 6167)
@@ -6228,6 +6228,8 @@
 GEN_VXFORM(vsrab, 2, 12);
 GEN_VXFORM(vsrah, 2, 13);
 GEN_VXFORM(vsraw, 2, 14);
+GEN_VXFORM(vslo, 6, 16);
+GEN_VXFORM(vsro, 6, 17);
 
 /***                           SPE extension                               ***/
 /* Register moves */