From: Aurelien Jarno <aurelien@aurel32.net>
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] [6189] Add vsumsws, vsum2sws, and vsum4{sbs, shs, ubs} instructions.
Date: Sun, 04 Jan 2009 22:13:21 +0000 [thread overview]
Message-ID: <E1LJbDl-0003cm-Sy@cvs.savannah.gnu.org> (raw)
Revision: 6189
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=6189
Author: aurel32
Date: 2009-01-04 22:13:21 +0000 (Sun, 04 Jan 2009)
Log Message:
-----------
Add vsumsws, vsum2sws, and vsum4{sbs, shs,ubs} 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 22:13:10 UTC (rev 6188)
+++ trunk/target-ppc/helper.h 2009-01-04 22:13:21 UTC (rev 6189)
@@ -191,6 +191,11 @@
DEF_HELPER_2(stvebx, void, avr, tl)
DEF_HELPER_2(stvehx, void, avr, tl)
DEF_HELPER_2(stvewx, void, avr, tl)
+DEF_HELPER_3(vsumsws, void, avr, avr, avr)
+DEF_HELPER_3(vsum2sws, void, avr, avr, avr)
+DEF_HELPER_3(vsum4sbs, void, avr, avr, avr)
+DEF_HELPER_3(vsum4shs, void, avr, avr, avr)
+DEF_HELPER_3(vsum4ubs, void, 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 22:13:10 UTC (rev 6188)
+++ trunk/target-ppc/op_helper.c 2009-01-04 22:13:21 UTC (rev 6189)
@@ -2534,7 +2534,110 @@
}
}
+void helper_vsumsws (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
+{
+ int64_t t;
+ int i, upper;
+ ppc_avr_t result;
+ int sat = 0;
+
#if defined(WORDS_BIGENDIAN)
+ upper = ARRAY_SIZE(r->s32)-1;
+#else
+ upper = 0;
+#endif
+ t = (int64_t)b->s32[upper];
+ for (i = 0; i < ARRAY_SIZE(r->s32); i++) {
+ t += a->s32[i];
+ result.s32[i] = 0;
+ }
+ result.s32[upper] = cvtsdsw(t, &sat);
+ *r = result;
+
+ if (sat) {
+ env->vscr |= (1 << VSCR_SAT);
+ }
+}
+
+void helper_vsum2sws (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
+{
+ int i, j, upper;
+ ppc_avr_t result;
+ int sat = 0;
+
+#if defined(WORDS_BIGENDIAN)
+ upper = 1;
+#else
+ upper = 0;
+#endif
+ for (i = 0; i < ARRAY_SIZE(r->u64); i++) {
+ int64_t t = (int64_t)b->s32[upper+i*2];
+ result.u64[i] = 0;
+ for (j = 0; j < ARRAY_SIZE(r->u64); j++) {
+ t += a->s32[2*i+j];
+ }
+ result.s32[upper+i*2] = cvtsdsw(t, &sat);
+ }
+
+ *r = result;
+ if (sat) {
+ env->vscr |= (1 << VSCR_SAT);
+ }
+}
+
+void helper_vsum4sbs (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
+{
+ int i, j;
+ int sat = 0;
+
+ for (i = 0; i < ARRAY_SIZE(r->s32); i++) {
+ int64_t t = (int64_t)b->s32[i];
+ for (j = 0; j < ARRAY_SIZE(r->s32); j++) {
+ t += a->s8[4*i+j];
+ }
+ r->s32[i] = cvtsdsw(t, &sat);
+ }
+
+ if (sat) {
+ env->vscr |= (1 << VSCR_SAT);
+ }
+}
+
+void helper_vsum4shs (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
+{
+ int sat = 0;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(r->s32); i++) {
+ int64_t t = (int64_t)b->s32[i];
+ t += a->s16[2*i] + a->s16[2*i+1];
+ r->s32[i] = cvtsdsw(t, &sat);
+ }
+
+ if (sat) {
+ env->vscr |= (1 << VSCR_SAT);
+ }
+}
+
+void helper_vsum4ubs (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
+{
+ int i, j;
+ int sat = 0;
+
+ for (i = 0; i < ARRAY_SIZE(r->u32); i++) {
+ uint64_t t = (uint64_t)b->u32[i];
+ for (j = 0; j < ARRAY_SIZE(r->u32); j++) {
+ t += a->u8[4*i+j];
+ }
+ r->u32[i] = cvtuduw(t, &sat);
+ }
+
+ if (sat) {
+ env->vscr |= (1 << VSCR_SAT);
+ }
+}
+
+#if defined(WORDS_BIGENDIAN)
#define UPKHI 1
#define UPKLO 0
#else
Modified: trunk/target-ppc/translate.c
===================================================================
--- trunk/target-ppc/translate.c 2009-01-04 22:13:10 UTC (rev 6188)
+++ trunk/target-ppc/translate.c 2009-01-04 22:13:21 UTC (rev 6189)
@@ -6326,6 +6326,11 @@
GEN_VXFORM(vpkshss, 7, 6);
GEN_VXFORM(vpkswss, 7, 7);
GEN_VXFORM(vpkpx, 7, 12);
+GEN_VXFORM(vsum4ubs, 4, 24);
+GEN_VXFORM(vsum4sbs, 4, 28);
+GEN_VXFORM(vsum4shs, 4, 25);
+GEN_VXFORM(vsum2sws, 4, 26);
+GEN_VXFORM(vsumsws, 4, 30);
#define GEN_VXFORM_NOA(name, opc2, opc3) \
GEN_HANDLER(name, 0x04, opc2, opc3, 0x001f0000, PPC_ALTIVEC) \
reply other threads:[~2009-01-04 22:13 UTC|newest]
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