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[Qemu-devel] [6156] Add vavg{s,u}{b,h,w} instructions.
From: |
Aurelien Jarno |
Subject: |
[Qemu-devel] [6156] Add vavg{s,u}{b,h,w} instructions. |
Date: |
Sat, 03 Jan 2009 13:31:50 +0000 |
Revision: 6156
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=6156
Author: aurel32
Date: 2009-01-03 13:31:49 +0000 (Sat, 03 Jan 2009)
Log Message:
-----------
Add vavg{s,u}{b,h,w} 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 2009-01-03 13:31:40 UTC (rev 6155)
+++ trunk/target-ppc/helper.h 2009-01-03 13:31:49 UTC (rev 6156)
@@ -105,6 +105,13 @@
DEF_HELPER_3(vsububm, void, avr, avr, avr)
DEF_HELPER_3(vsubuhm, void, avr, avr, avr)
DEF_HELPER_3(vsubuwm, void, avr, avr, avr)
+DEF_HELPER_3(vavgub, void, avr, avr, avr)
+DEF_HELPER_3(vavguh, void, avr, avr, avr)
+DEF_HELPER_3(vavguw, void, avr, avr, avr)
+DEF_HELPER_3(vavgsb, void, avr, avr, avr)
+DEF_HELPER_3(vavgsh, void, avr, avr, avr)
+DEF_HELPER_3(vavgsw, void, avr, avr, avr)
+
DEF_HELPER_1(efscfsi, i32, i32)
DEF_HELPER_1(efscfui, i32, i32)
DEF_HELPER_1(efscfuf, i32, i32)
Modified: trunk/target-ppc/op_helper.c
===================================================================
--- trunk/target-ppc/op_helper.c 2009-01-03 13:31:40 UTC (rev 6155)
+++ trunk/target-ppc/op_helper.c 2009-01-03 13:31:49 UTC (rev 6156)
@@ -1988,6 +1988,25 @@
#undef VARITH_DO
#undef VARITH
+#define VAVG_DO(name, element, etype) \
+ void helper_v##name (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
+ { \
+ int i; \
+ for (i = 0; i < ARRAY_SIZE(r->element); i++) { \
+ etype x = (etype)a->element[i] + (etype)b->element[i] + 1; \
+ r->element[i] = x >> 1; \
+ } \
+ }
+
+#define VAVG(type, signed_element, signed_type, unsigned_element,
unsigned_type) \
+ VAVG_DO(avgs##type, signed_element, signed_type) \
+ VAVG_DO(avgu##type, unsigned_element, unsigned_type)
+VAVG(b, s8, int16_t, u8, uint16_t)
+VAVG(h, s16, int32_t, u16, uint32_t)
+VAVG(w, s32, int64_t, u32, uint64_t)
+#undef VAVG_DO
+#undef VAVG
+
#undef VECTOR_FOR_INORDER_I
#undef HI_IDX
#undef LO_IDX
Modified: trunk/target-ppc/translate.c
===================================================================
--- trunk/target-ppc/translate.c 2009-01-03 13:31:40 UTC (rev 6155)
+++ trunk/target-ppc/translate.c 2009-01-03 13:31:49 UTC (rev 6156)
@@ -6187,6 +6187,13 @@
GEN_VXFORM(vsububm, 0, 16);
GEN_VXFORM(vsubuhm, 0, 17);
GEN_VXFORM(vsubuwm, 0, 18);
+GEN_VXFORM(vavgub, 1, 16);
+GEN_VXFORM(vavguh, 1, 17);
+GEN_VXFORM(vavguw, 1, 18);
+GEN_VXFORM(vavgsb, 1, 20);
+GEN_VXFORM(vavgsh, 1, 21);
+GEN_VXFORM(vavgsw, 1, 22);
+
/*** SPE extension ***/
/* Register moves */
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