[Qemu-devel] [6183] Add vpkpx instruction.

[Aurelien Jarno]

Revision: 6183
          http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=6183
Author:   aurel32
Date:     2009-01-04 22:12:19 +0000 (Sun, 04 Jan 2009)

Log Message:
-----------
Add vpkpx instruction.

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 22:12:09 UTC (rev 6182)
+++ trunk/target-ppc/helper.h   2009-01-04 22:12:19 UTC (rev 6183)
@@ -177,6 +177,7 @@
 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_3(vpkpx, 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 22:12:09 UTC (rev 6182)
+++ trunk/target-ppc/op_helper.c        2009-01-04 22:12:19 UTC (rev 6183)
@@ -2195,6 +2195,27 @@
 #else
 #define PKBIG 0
 #endif
+void helper_vpkpx (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
+{
+    int i, j;
+    ppc_avr_t result;
+#if defined(WORDS_BIGENDIAN)
+    const ppc_avr_t *x[2] = { a, b };
+#else
+    const ppc_avr_t *x[2] = { b, a };
+#endif
+
+    VECTOR_FOR_INORDER_I (i, u64) {
+        VECTOR_FOR_INORDER_I (j, u32){
+            uint32_t e = x[i]->u32[j];
+            result.u16[4*i+j] = (((e >> 9) & 0xfc00) |
+                                 ((e >> 6) & 0x3e0) |
+                                 ((e >> 3) & 0x1f));
+        }
+    }
+    *r = result;
+}
+
 #define VPK(suffix, from, to, cvt, dosat)       \
     void helper_vpk##suffix (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)  \
     {                                                                   \

Modified: trunk/target-ppc/translate.c
===================================================================
--- trunk/target-ppc/translate.c        2009-01-04 22:12:09 UTC (rev 6182)
+++ trunk/target-ppc/translate.c        2009-01-04 22:12:19 UTC (rev 6183)
@@ -6281,6 +6281,7 @@
 GEN_VXFORM(vpkswus, 7, 5);
 GEN_VXFORM(vpkshss, 7, 6);
 GEN_VXFORM(vpkswss, 7, 7);
+GEN_VXFORM(vpkpx, 7, 12);
 
 #define GEN_VXFORM_NOA(name, opc2, opc3)                                \
     GEN_HANDLER(name, 0x04, opc2, opc3, 0x001f0000, PPC_ALTIVEC)        \