From: Aurelien Jarno <aurelien@aurel32.net>
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] [6180] Add vsel and vperm instructions.
Date: Sun, 04 Jan 2009 22:11:50 +0000 [thread overview]
Message-ID: <E1LJbCI-0003WM-4m@cvs.savannah.gnu.org> (raw)
Revision: 6180
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=6180
Author: aurel32
Date: 2009-01-04 22:11:49 +0000 (Sun, 04 Jan 2009)
Log Message:
-----------
Add vsel and vperm 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 22:11:39 UTC (rev 6179)
+++ trunk/target-ppc/helper.h 2009-01-04 22:11:49 UTC (rev 6180)
@@ -167,6 +167,8 @@
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_4(vsel, void, avr, avr, avr, avr)
+DEF_HELPER_4(vperm, 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 22:11:39 UTC (rev 6179)
+++ trunk/target-ppc/op_helper.c 2009-01-04 22:11:49 UTC (rev 6180)
@@ -2143,6 +2143,26 @@
#undef VMUL_DO
#undef VMUL
+void helper_vperm (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
+{
+ ppc_avr_t result;
+ int i;
+ VECTOR_FOR_INORDER_I (i, u8) {
+ int s = c->u8[i] & 0x1f;
+#if defined(WORDS_BIGENDIAN)
+ int index = s & 0xf;
+#else
+ int index = 15 - (s & 0xf);
+#endif
+ if (s & 0x10) {
+ result.u8[i] = b->u8[index];
+ } else {
+ result.u8[i] = a->u8[index];
+ }
+ }
+ *r = result;
+}
+
#define VROTATE(suffix, element) \
void helper_vrl##suffix (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
{ \
@@ -2158,6 +2178,12 @@
VROTATE(w, u32)
#undef VROTATE
+void helper_vsel (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
+{
+ r->u64[0] = (a->u64[0] & ~c->u64[0]) | (b->u64[0] & c->u64[0]);
+ r->u64[1] = (a->u64[1] & ~c->u64[1]) | (b->u64[1] & c->u64[1]);
+}
+
#define VSL(suffix, element) \
void helper_vsl##suffix (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 22:11:39 UTC (rev 6179)
+++ trunk/target-ppc/translate.c 2009-01-04 22:11:49 UTC (rev 6180)
@@ -6377,6 +6377,7 @@
}
GEN_VAFORM_PAIRED(vmsumubm, vmsummbm, 18)
+GEN_VAFORM_PAIRED(vsel, vperm, 21)
/*** SPE extension ***/
/* Register moves */
reply other threads:[~2009-01-04 22:11 UTC|newest]
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