[Qemu-devel] [6512] Add vrfi{m,n,p,z} instructions

[Aurelien Jarno]

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 <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   2009-02-04 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)        \