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[Qemu-devel] [6574] target-ppc: Add vrsqrtefp instruction
From: |
Aurelien Jarno |
Subject: |
[Qemu-devel] [6574] target-ppc: Add vrsqrtefp instruction |
Date: |
Mon, 09 Feb 2009 16:49:40 +0000 |
Revision: 6574
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=6574
Author: aurel32
Date: 2009-02-09 16:49:40 +0000 (Mon, 09 Feb 2009)
Log Message:
-----------
target-ppc: Add vrsqrtefp instruction
Signed-off-by: Nathan Froyd <address@hidden>
Signed-off-by: Aurelien Jarno <address@hidden>
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 2009-02-09 16:49:29 UTC (rev 6573)
+++ trunk/target-ppc/helper.h 2009-02-09 16:49:40 UTC (rev 6574)
@@ -245,6 +245,7 @@
DEF_HELPER_3(vmaxfp, void, avr, avr, avr)
DEF_HELPER_3(vminfp, void, avr, avr, avr)
DEF_HELPER_2(vrefp, void, avr, avr)
+DEF_HELPER_2(vrsqrtefp, void, avr, avr)
DEF_HELPER_4(vmaddfp, void, avr, avr, avr, avr)
DEF_HELPER_4(vnmsubfp, void, avr, avr, avr, avr)
DEF_HELPER_2(vlogefp, void, avr, avr)
Modified: trunk/target-ppc/op_helper.c
===================================================================
--- trunk/target-ppc/op_helper.c 2009-02-09 16:49:29 UTC (rev 6573)
+++ trunk/target-ppc/op_helper.c 2009-02-09 16:49:40 UTC (rev 6574)
@@ -2707,6 +2707,17 @@
VROTATE(w, u32)
#undef VROTATE
+void helper_vrsqrtefp (ppc_avr_t *r, ppc_avr_t *b)
+{
+ int i;
+ for (i = 0; i < ARRAY_SIZE(r->f); i++) {
+ HANDLE_NAN1(r->f[i], b->f[i]) {
+ float32 t = float32_sqrt(b->f[i], &env->vec_status);
+ r->f[i] = float32_div(float32_one, t, &env->vec_status);
+ }
+ }
+}
+
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]);
Modified: trunk/target-ppc/translate.c
===================================================================
--- trunk/target-ppc/translate.c 2009-02-09 16:49:29 UTC (rev 6573)
+++ trunk/target-ppc/translate.c 2009-02-09 16:49:40 UTC (rev 6574)
@@ -6477,6 +6477,7 @@
GEN_VXFORM_NOA(vupkhpx, 7, 13);
GEN_VXFORM_NOA(vupklpx, 7, 15);
GEN_VXFORM_NOA(vrefp, 5, 4);
+GEN_VXFORM_NOA(vrsqrtefp, 5, 5);
GEN_VXFORM_NOA(vlogefp, 5, 7);
GEN_VXFORM_NOA(vrfim, 5, 8);
GEN_VXFORM_NOA(vrfin, 5, 9);
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