Add vpks{h, w}{s, u}s, vpku{h, w}us, and vpku{h, w}um 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@6182 c046a42c-6fe2-441c-8c8c-71466251a162

target-ppc/helper.h

@@ -169,6 +169,14 @@ DEF_HELPER_4(vmsumubm, void, avr, avr, avr, avr)
 DEF_HELPER_4(vmsummbm, void, avr, avr, avr, avr)
 DEF_HELPER_4(vsel, void, avr, avr, avr, avr)
 DEF_HELPER_4(vperm, void, avr, avr, avr, avr)
+DEF_HELPER_3(vpkshss, void, avr, avr, avr)
+DEF_HELPER_3(vpkshus, void, avr, avr, avr)
+DEF_HELPER_3(vpkswss, void, avr, avr, avr)
+DEF_HELPER_3(vpkswus, void, avr, avr, avr)
+DEF_HELPER_3(vpkuhus, void, avr, avr, avr)
+DEF_HELPER_3(vpkuwus, void, avr, avr, avr)
+DEF_HELPER_3(vpkuhum, void, avr, avr, avr)
+DEF_HELPER_3(vpkuwum, void, avr, avr, avr)
 
 DEF_HELPER_1(efscfsi, i32, i32)
 DEF_HELPER_1(efscfui, i32, i32)

target-ppc/op_helper.c

@@ -2190,6 +2190,41 @@ void helper_vperm (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
     *r = result;
 }
 
+#if defined(WORDS_BIGENDIAN)
+#define PKBIG 1
+#else
+#define PKBIG 0
+#endif
+#define VPK(suffix, from, to, cvt, dosat)       \
+    void helper_vpk##suffix (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)  \
+    {                                                                   \
+        int i;                                                          \
+        int sat = 0;                                                    \
+        ppc_avr_t result;                                               \
+        ppc_avr_t *a0 = PKBIG ? a : b;                                  \
+        ppc_avr_t *a1 = PKBIG ? b : a;                                  \
+        VECTOR_FOR_INORDER_I (i, from) {                                \
+            result.to[i] = cvt(a0->from[i], &sat);                      \
+            result.to[i+ARRAY_SIZE(r->from)] = cvt(a1->from[i], &sat);  \
+        }                                                               \
+        *r = result;                                                    \
+        if (dosat && sat) {                                             \
+            env->vscr |= (1 << VSCR_SAT);                               \
+        }                                                               \
+    }
+#define I(x, y) (x)
+VPK(shss, s16, s8, cvtshsb, 1)
+VPK(shus, s16, u8, cvtshub, 1)
+VPK(swss, s32, s16, cvtswsh, 1)
+VPK(swus, s32, u16, cvtswuh, 1)
+VPK(uhus, u16, u8, cvtuhub, 1)
+VPK(uwus, u32, u16, cvtuwuh, 1)
+VPK(uhum, u16, u8, I, 0)
+VPK(uwum, u32, u16, I, 0)
+#undef I
+#undef VPK
+#undef PKBIG
+
 #define VROTATE(suffix, element)                                        \
     void helper_vrl##suffix (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)  \
     {                                                                   \

target-ppc/translate.c

@@ -6273,6 +6273,14 @@ GEN_VXFORM(vsubcuw, 0, 22);
 GEN_VXFORM(vrlb, 2, 0);
 GEN_VXFORM(vrlh, 2, 1);
 GEN_VXFORM(vrlw, 2, 2);
+GEN_VXFORM(vpkuhum, 7, 0);
+GEN_VXFORM(vpkuwum, 7, 1);
+GEN_VXFORM(vpkuhus, 7, 2);
+GEN_VXFORM(vpkuwus, 7, 3);
+GEN_VXFORM(vpkshus, 7, 4);
+GEN_VXFORM(vpkswus, 7, 5);
+GEN_VXFORM(vpkshss, 7, 6);
+GEN_VXFORM(vpkswss, 7, 7);
 
 #define GEN_VXFORM_NOA(name, opc2, opc3)                                \
     GEN_HANDLER(name, 0x04, opc2, opc3, 0x001f0000, PPC_ALTIVEC)        \