From: Aurelien Jarno <aurelien@aurel32.net>
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] [6186] Add vmsumsh{m,s} instructions.
Date: Sun, 04 Jan 2009 22:12:50 +0000 [thread overview]
Message-ID: <E1LJbDG-0003b6-2e@cvs.savannah.gnu.org> (raw)
Revision: 6186
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=6186
Author: aurel32
Date: 2009-01-04 22:12:49 +0000 (Sun, 04 Jan 2009)
Log Message:
-----------
Add vmsumsh{m,s} 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 22:12:39 UTC (rev 6185)
+++ trunk/target-ppc/helper.h 2009-01-04 22:12:49 UTC (rev 6186)
@@ -182,6 +182,8 @@
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)
Modified: trunk/target-ppc/op_helper.c
===================================================================
--- trunk/target-ppc/op_helper.c 2009-01-04 22:12:39 UTC (rev 6185)
+++ trunk/target-ppc/op_helper.c 2009-01-04 22:12:49 UTC (rev 6186)
@@ -2166,6 +2166,40 @@
}
}
+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];
Modified: trunk/target-ppc/translate.c
===================================================================
--- trunk/target-ppc/translate.c 2009-01-04 22:12:39 UTC (rev 6185)
+++ trunk/target-ppc/translate.c 2009-01-04 22:12:49 UTC (rev 6186)
@@ -6389,6 +6389,7 @@
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 ***/
reply other threads:[~2009-01-04 22:12 UTC|newest]
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