From: aurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162>
Date: Sun, 4 Jan 2009 22:12:49 +0000 (+0000)
Subject: Add vmsumsh{m,s} instructions.
X-Git-Tag: stefano.display-merge-end~255
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=eae07261c7620231ae347878284fa36e3dc0d1c0;p=qemu-xen-4.0-testing.git

Add vmsumsh{m,s} instructions.

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

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6186 c046a42c-6fe2-441c-8c8c-71466251a162
---

diff --git a/target-ppc/helper.h b/target-ppc/helper.h
index 5709a383..59e8df4b 100644
--- a/target-ppc/helper.h
+++ b/target-ppc/helper.h
@@ -182,6 +182,8 @@ 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_4(vmsumshm, void, avr, avr, avr, avr)
+DEF_HELPER_4(vmsumshs, void, avr, avr, avr, avr)
 
 DEF_HELPER_1(efscfsi, i32, i32)
 DEF_HELPER_1(efscfui, i32, i32)
diff --git a/target-ppc/op_helper.c b/target-ppc/op_helper.c
index be3e9289..6ff21567 100644
--- a/target-ppc/op_helper.c
+++ b/target-ppc/op_helper.c
@@ -2166,6 +2166,40 @@ void helper_vmsummbm (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
     }
 }
 
+void helper_vmsumshm (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
+{
+    int32_t prod[8];
+    int i;
+
+    for (i = 0; i < ARRAY_SIZE(r->s16); i++) {
+        prod[i] = a->s16[i] * b->s16[i];
+    }
+
+    VECTOR_FOR_INORDER_I(i, s32) {
+        r->s32[i] = c->s32[i] + prod[2*i] + prod[2*i+1];
+    }
+}
+
+void helper_vmsumshs (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
+{
+    int32_t prod[8];
+    int i;
+    int sat = 0;
+
+    for (i = 0; i < ARRAY_SIZE(r->s16); i++) {
+        prod[i] = (int32_t)a->s16[i] * b->s16[i];
+    }
+
+    VECTOR_FOR_INORDER_I (i, s32) {
+        int64_t t = (int64_t)c->s32[i] + prod[2*i] + prod[2*i+1];
+        r->u32[i] = cvtsdsw(t, &sat);
+    }
+
+    if (sat) {
+        env->vscr |= (1 << VSCR_SAT);
+    }
+}
+
 void helper_vmsumubm (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
 {
     uint16_t prod[16];
diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index 246d099c..49aae4c2 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -6389,6 +6389,7 @@ GEN_VAFORM_PAIRED(vmhaddshs, vmhraddshs, 16)
 
 GEN_VAFORM_PAIRED(vmsumubm, vmsummbm, 18)
 GEN_VAFORM_PAIRED(vmsumuhm, vmsumuhs, 19)
+GEN_VAFORM_PAIRED(vmsumshm, vmsumshs, 20)
 GEN_VAFORM_PAIRED(vsel, vperm, 21)
 
 /***                           SPE extension                               ***/