[Qemu-devel] [6166] Add vsl{b,h,w} instructions.

[Qemu-devel] [6166] Add vsl{b,h,w} instructions.

[Aurelien Jarno]

Revision: 6166
          http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=6166
Author:   aurel32
Date:     2009-01-04 22:09:08 +0000 (Sun, 04 Jan 2009)

Log Message:
-----------
Add vsl{b,h,w} instructions.

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

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 22:08:58 UTC (rev 6165)
+++ trunk/target-ppc/helper.h	2009-01-04 22:09:08 UTC (rev 6166)
@@ -143,6 +143,9 @@
 DEF_HELPER_3(vsrb, void, avr, avr, avr)
 DEF_HELPER_3(vsrh, void, avr, avr, avr)
 DEF_HELPER_3(vsrw, void, avr, avr, avr)
+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_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 22:08:58 UTC (rev 6165)
+++ trunk/target-ppc/op_helper.c	2009-01-04 22:09:08 UTC (rev 6166)
@@ -2088,6 +2088,21 @@
 #undef VMUL_DO
 #undef VMUL
 
+#define VSL(suffix, element)                                            \
+    void helper_vsl##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;                     \
+        }                                                               \
+    }
+VSL(b, u8)
+VSL(h, u16)
+VSL(w, u32)
+#undef VSL
+
 #define VSR(suffix, element)                                            \
     void helper_vsr##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 22:08:58 UTC (rev 6165)
+++ trunk/target-ppc/translate.c	2009-01-04 22:09:08 UTC (rev 6166)
@@ -6219,6 +6219,9 @@
 GEN_VXFORM(vmuleuh, 4, 9);
 GEN_VXFORM(vmulesb, 4, 12);
 GEN_VXFORM(vmulesh, 4, 13);
+GEN_VXFORM(vslb, 2, 4);
+GEN_VXFORM(vslh, 2, 5);
+GEN_VXFORM(vslw, 2, 6);
 GEN_VXFORM(vsrb, 2, 8);
 GEN_VXFORM(vsrh, 2, 9);
 GEN_VXFORM(vsrw, 2, 10);