Add vrl{b,h,w} instructions.

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

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6170 c046a42c-6fe2-441c-8c8c-71466251a162

target-ppc/helper.h

@@ -152,6 +152,9 @@ DEF_HELPER_3(vaddcuw, void, avr, avr, avr)
 DEF_HELPER_3(vsubcuw, void, avr, avr, avr)
 DEF_HELPER_2(lvsl, void, avr, tl);
 DEF_HELPER_2(lvsr, void, avr, tl);
+DEF_HELPER_3(vrlb, void, avr, avr, avr)
+DEF_HELPER_3(vrlh, void, avr, avr, avr)
+DEF_HELPER_3(vrlw, void, avr, avr, avr)
 
 DEF_HELPER_1(efscfsi, i32, i32)
 DEF_HELPER_1(efscfui, i32, i32)

target-ppc/op_helper.c

@@ -2115,6 +2115,21 @@ VMUL(uh, u16, u32)
 #undef VMUL_DO
 #undef VMUL
 
+#define VROTATE(suffix, element)                                        \
+    void helper_vrl##suffix (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)  \
+    {                                                                   \
+        int i;                                                          \
+        for (i = 0; i < ARRAY_SIZE(r->element); i++) {                  \
+            unsigned int mask = ((1 << (3 + (sizeof (a->element[0]) >> 1))) - 1); \
+            unsigned int shift = b->element[i] & mask;                  \
+            r->element[i] = (a->element[i] << shift) | (a->element[i] >> (sizeof(a->element[0]) * 8 - shift)); \
+        }                                                               \
+    }
+VROTATE(b, u8)
+VROTATE(h, u16)
+VROTATE(w, u32)
+#undef VROTATE
+
 #define VSL(suffix, element)                                            \
     void helper_vsl##suffix (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)  \
     {                                                                   \

target-ppc/translate.c

@@ -6264,6 +6264,9 @@ GEN_VXFORM(vslo, 6, 16);
 GEN_VXFORM(vsro, 6, 17);
 GEN_VXFORM(vaddcuw, 0, 6);
 GEN_VXFORM(vsubcuw, 0, 22);
+GEN_VXFORM(vrlb, 2, 0);
+GEN_VXFORM(vrlh, 2, 1);
+GEN_VXFORM(vrlw, 2, 2);
 
 /***                           SPE extension                               ***/
 /* Register moves */