[Qemu-devel] [6179] Add vmsum{u,m}bm instructions.

[Qemu-devel] [6179] Add vmsum{u,m}bm instructions.

[Aurelien Jarno]

Revision: 6179
          http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=6179
Author:   aurel32
Date:     2009-01-04 22:11:39 +0000 (Sun, 04 Jan 2009)

Log Message:
-----------
Add vmsum{u,m}bm 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 22:11:29 UTC (rev 6178)
+++ trunk/target-ppc/helper.h	2009-01-04 22:11:39 UTC (rev 6179)
@@ -165,6 +165,8 @@
 DEF_HELPER_2(vupkhsh, void, avr, avr)
 DEF_HELPER_2(vupklsb, void, avr, avr)
 DEF_HELPER_2(vupklsh, void, avr, avr)
+DEF_HELPER_4(vmsumubm, void, avr, avr, avr, avr)
+DEF_HELPER_4(vmsummbm, void, avr, 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 22:11:29 UTC (rev 6178)
+++ trunk/target-ppc/op_helper.c	2009-01-04 22:11:39 UTC (rev 6179)
@@ -2093,6 +2093,34 @@
 #undef MRGHI
 #undef MRGLO
 
+void helper_vmsummbm (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
+{
+    int32_t prod[16];
+    int i;
+
+    for (i = 0; i < ARRAY_SIZE(r->s8); i++) {
+        prod[i] = (int32_t)a->s8[i] * b->u8[i];
+    }
+
+    VECTOR_FOR_INORDER_I(i, s32) {
+        r->s32[i] = c->s32[i] + prod[4*i] + prod[4*i+1] + prod[4*i+2] + prod[4*i+3];
+    }
+}
+
+void helper_vmsumubm (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
+{
+    uint16_t prod[16];
+    int i;
+
+    for (i = 0; i < ARRAY_SIZE(r->u8); i++) {
+        prod[i] = a->u8[i] * b->u8[i];
+    }
+
+    VECTOR_FOR_INORDER_I(i, u32) {
+        r->u32[i] = c->u32[i] + prod[4*i] + prod[4*i+1] + prod[4*i+2] + prod[4*i+3];
+    }
+}
+
 #define VMUL_DO(name, mul_element, prod_element, evenp)                 \
     void helper_v##name (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 22:11:29 UTC (rev 6178)
+++ trunk/target-ppc/translate.c	2009-01-04 22:11:39 UTC (rev 6179)
@@ -6376,6 +6376,8 @@
         tcg_temp_free_ptr(rd);                                          \
     }
 
+GEN_VAFORM_PAIRED(vmsumubm, vmsummbm, 18)
+
 /***                           SPE extension                               ***/
 /* Register moves */