From: Aurelien Jarno <aurelien@aurel32.net>
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] [6512] Add vrfi{m,n,p,z} instructions
Date: Wed, 04 Feb 2009 13:52:04 +0000 [thread overview]
Message-ID: <E1LUiAe-0002qL-73@cvs.savannah.gnu.org> (raw)
Revision: 6512
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=6512
Author: aurel32
Date: 2009-02-04 13:52:03 +0000 (Wed, 04 Feb 2009)
Log Message:
-----------
Add vrfi{m,n,p,z} 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 2009-02-04 09:05:53 UTC (rev 6511)
+++ trunk/target-ppc/helper.h 2009-02-04 13:52:03 UTC (rev 6512)
@@ -232,6 +232,10 @@
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_2(vrfim, void, avr, avr)
+DEF_HELPER_2(vrfin, void, avr, avr)
+DEF_HELPER_2(vrfip, void, avr, avr)
+DEF_HELPER_2(vrfiz, void, 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 2009-02-04 09:05:53 UTC (rev 6511)
+++ trunk/target-ppc/op_helper.c 2009-02-04 13:52:03 UTC (rev 6512)
@@ -2490,6 +2490,24 @@
#undef VPK
#undef PKBIG
+#define VRFI(suffix, rounding) \
+ void helper_vrfi##suffix (ppc_avr_t *r, ppc_avr_t *b) \
+ { \
+ int i; \
+ float_status s = env->vec_status; \
+ set_float_rounding_mode(rounding, &s); \
+ for (i = 0; i < ARRAY_SIZE(r->f); i++) { \
+ HANDLE_NAN1(r->f[i], b->f[i]) { \
+ r->f[i] = float32_round_to_int (b->f[i], &s); \
+ } \
+ } \
+ }
+VRFI(n, float_round_nearest_even)
+VRFI(m, float_round_down)
+VRFI(p, float_round_up)
+VRFI(z, float_round_to_zero)
+#undef VRFI
+
#define VROTATE(suffix, element) \
void helper_vrl##suffix (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
{ \
Modified: trunk/target-ppc/translate.c
===================================================================
--- trunk/target-ppc/translate.c 2009-02-04 09:05:53 UTC (rev 6511)
+++ trunk/target-ppc/translate.c 2009-02-04 13:52:03 UTC (rev 6512)
@@ -6468,6 +6468,10 @@
GEN_VXFORM_NOA(vupklsh, 7, 11);
GEN_VXFORM_NOA(vupkhpx, 7, 13);
GEN_VXFORM_NOA(vupklpx, 7, 15);
+GEN_VXFORM_NOA(vrfim, 5, 8);
+GEN_VXFORM_NOA(vrfin, 5, 9);
+GEN_VXFORM_NOA(vrfip, 5, 10);
+GEN_VXFORM_NOA(vrfiz, 5, 11);
#define GEN_VXFORM_SIMM(name, opc2, opc3) \
GEN_HANDLER(name, 0x04, opc2, opc3, 0x00000000, PPC_ALTIVEC) \
reply other threads:[~2009-02-04 13:52 UTC|newest]
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