From: Aurelien Jarno <aurelien@aurel32.net>
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] [6185] Add vmsumuh{m,s} instructions.
Date: Sun, 04 Jan 2009 22:12:39 +0000 [thread overview]
Message-ID: <E1LJbD5-0003aF-HC@cvs.savannah.gnu.org> (raw)
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 <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 22:12:29 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 ***/
reply other threads:[~2009-01-04 22:12 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=E1LJbD5-0003aF-HC@cvs.savannah.gnu.org \
--to=aurelien@aurel32.net \
--cc=qemu-devel@nongnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).