[Qemu-devel] [6168] Add v{add,sub}cuw instructions.

[Aurelien Jarno]

Revision: 6168
          http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=6168
Author:   aurel32
Date:     2009-01-04 22:09:31 +0000 (Sun, 04 Jan 2009)

Log Message:
-----------
Add v{add,sub}cuw instructions.

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 22:09:19 UTC (rev 6167)
+++ trunk/target-ppc/helper.h   2009-01-04 22:09:31 UTC (rev 6168)
@@ -148,6 +148,8 @@
 DEF_HELPER_3(vslw, void, avr, avr, avr)
 DEF_HELPER_3(vslo, void, avr, avr, avr)
 DEF_HELPER_3(vsro, void, avr, avr, avr)
+DEF_HELPER_3(vaddcuw, void, avr, avr, avr)
+DEF_HELPER_3(vsubcuw, 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 22:09:19 UTC (rev 6167)
+++ trunk/target-ppc/op_helper.c        2009-01-04 22:09:31 UTC (rev 6168)
@@ -1972,6 +1972,14 @@
   for (index = ARRAY_SIZE(r->element)-1; index >= 0; index--)
 #endif
 
+void helper_vaddcuw (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
+{
+    int i;
+    for (i = 0; i < ARRAY_SIZE(r->u32); i++) {
+        r->u32[i] = ~a->u32[i] < b->u32[i];
+    }
+}
+
 #define VARITH_DO(name, op, element)        \
 void helper_v##name (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)          \
 {                                                                       \
@@ -2148,6 +2156,14 @@
 #endif
 }
 
+void helper_vsubcuw (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
+{
+    int i;
+    for (i = 0; i < ARRAY_SIZE(r->u32); i++) {
+        r->u32[i] = a->u32[i] >= b->u32[i];
+    }
+}
+
 #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 22:09:19 UTC (rev 6167)
+++ trunk/target-ppc/translate.c        2009-01-04 22:09:31 UTC (rev 6168)
@@ -6230,6 +6230,8 @@
 GEN_VXFORM(vsraw, 2, 14);
 GEN_VXFORM(vslo, 6, 16);
 GEN_VXFORM(vsro, 6, 17);
+GEN_VXFORM(vaddcuw, 0, 6);
+GEN_VXFORM(vsubcuw, 0, 22);
 
 /***                           SPE extension                               ***/
 /* Register moves */