[Qemu-devel] [6185] Add vmsumuh{m,s} instructions.

[Aurelien Jarno]

Revision: 6185
          http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=6185
Author:   aurel32
Date:     2009-01-04 22:12:39 +0000 (Sun, 04 Jan 2009)

Log Message:
-----------
Add vmsumuh{m,s} 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 22:12:29 UTC (rev 6184)
+++ trunk/target-ppc/helper.h   2009-01-04 22:12:39 UTC (rev 6185)
@@ -180,6 +180,8 @@
 DEF_HELPER_3(vpkpx, void, avr, avr, avr)
 DEF_HELPER_4(vmhaddshs, void, avr, avr, avr, avr)
 DEF_HELPER_4(vmhraddshs, void, avr, avr, avr, avr)
+DEF_HELPER_4(vmsumuhm, void, avr, avr, avr, avr)
+DEF_HELPER_4(vmsumuhs, 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 22:12:29 UTC (rev 6184)
+++ trunk/target-ppc/op_helper.c        2009-01-04 22:12:39 UTC (rev 6185)
@@ -2180,6 +2180,40 @@
     }
 }
 
+void helper_vmsumuhm (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
+{
+    uint32_t prod[8];
+    int i;
+
+    for (i = 0; i < ARRAY_SIZE(r->u16); i++) {
+        prod[i] = a->u16[i] * b->u16[i];
+    }
+
+    VECTOR_FOR_INORDER_I(i, u32) {
+        r->u32[i] = c->u32[i] + prod[2*i] + prod[2*i+1];
+    }
+}
+
+void helper_vmsumuhs (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
+{
+    uint32_t prod[8];
+    int i;
+    int sat = 0;
+
+    for (i = 0; i < ARRAY_SIZE(r->u16); i++) {
+        prod[i] = a->u16[i] * b->u16[i];
+    }
+
+    VECTOR_FOR_INORDER_I (i, s32) {
+        uint64_t t = (uint64_t)c->u32[i] + prod[2*i] + prod[2*i+1];
+        r->u32[i] = cvtuduw(t, &sat);
+    }
+
+    if (sat) {
+        env->vscr |= (1 << VSCR_SAT);
+    }
+}
+
 #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 22:12:29 UTC (rev 6184)
+++ trunk/target-ppc/translate.c        2009-01-04 22:12:39 UTC (rev 6185)
@@ -6388,6 +6388,7 @@
 GEN_VAFORM_PAIRED(vmhaddshs, vmhraddshs, 16)
 
 GEN_VAFORM_PAIRED(vmsumubm, vmsummbm, 18)
+GEN_VAFORM_PAIRED(vmsumuhm, vmsumuhs, 19)
 GEN_VAFORM_PAIRED(vsel, vperm, 21)
 
 /***                           SPE extension                               ***/