[Qemu-devel] [6165] Add vsr{,a}{b,h,w} instructions.

[Qemu-devel] [6165] Add vsr{,a}{b,h,w} instructions.

[Aurelien Jarno]

Revision: 6165
          http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=6165
Author:   aurel32
Date:     2009-01-04 22:08:58 +0000 (Sun, 04 Jan 2009)

Log Message:
-----------
Add vsr{,a}{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 22:08:48 UTC (rev 6164)
+++ trunk/target-ppc/helper.h	2009-01-04 22:08:58 UTC (rev 6165)
@@ -137,6 +137,12 @@
 DEF_HELPER_3(vmulosh, void, avr, avr, avr)
 DEF_HELPER_3(vmuloub, void, avr, avr, avr)
 DEF_HELPER_3(vmulouh, void, avr, avr, avr)
+DEF_HELPER_3(vsrab, void, avr, avr, avr)
+DEF_HELPER_3(vsrah, void, avr, avr, avr)
+DEF_HELPER_3(vsraw, void, avr, avr, avr)
+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_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 22:08:48 UTC (rev 6164)
+++ trunk/target-ppc/op_helper.c	2009-01-04 22:08:58 UTC (rev 6165)
@@ -2088,6 +2088,24 @@
 #undef VMUL_DO
 #undef VMUL
 
+#define VSR(suffix, element)                                            \
+    void helper_vsr##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;                     \
+        }                                                               \
+    }
+VSR(ab, s8)
+VSR(ah, s16)
+VSR(aw, s32)
+VSR(b, u8)
+VSR(h, u16)
+VSR(w, u32)
+#undef VSR
+
 #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 22:08:48 UTC (rev 6164)
+++ trunk/target-ppc/translate.c	2009-01-04 22:08:58 UTC (rev 6165)
@@ -6219,6 +6219,12 @@
 GEN_VXFORM(vmuleuh, 4, 9);
 GEN_VXFORM(vmulesb, 4, 12);
 GEN_VXFORM(vmulesh, 4, 13);
+GEN_VXFORM(vsrb, 2, 8);
+GEN_VXFORM(vsrh, 2, 9);
+GEN_VXFORM(vsrw, 2, 10);
+GEN_VXFORM(vsrab, 2, 12);
+GEN_VXFORM(vsrah, 2, 13);
+GEN_VXFORM(vsraw, 2, 14);
 
 /***                           SPE extension                               ***/
 /* Register moves */