[Qemu-devel] [6157] Add v{min, max}{s, u}{b, h, w} instructions.

[Qemu-devel] [6157] Add v{min, max}{s, u}{b, h, w} instructions.

[Aurelien Jarno]

Revision: 6157
          http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=6157
Author:   aurel32
Date:     2009-01-03 13:31:58 +0000 (Sat, 03 Jan 2009)

Log Message:
-----------
Add v{min, max}{s, u}{b, h, w} 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	2009-01-03 13:31:49 UTC (rev 6156)
+++ trunk/target-ppc/helper.h	2009-01-03 13:31:58 UTC (rev 6157)
@@ -111,6 +111,18 @@
 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_3(vminsb, void, avr, avr, avr)
+DEF_HELPER_3(vminsh, void, avr, avr, avr)
+DEF_HELPER_3(vminsw, void, avr, avr, avr)
+DEF_HELPER_3(vmaxsb, void, avr, avr, avr)
+DEF_HELPER_3(vmaxsh, void, avr, avr, avr)
+DEF_HELPER_3(vmaxsw, void, avr, avr, avr)
+DEF_HELPER_3(vminub, void, avr, avr, avr)
+DEF_HELPER_3(vminuh, void, avr, avr, avr)
+DEF_HELPER_3(vminuw, void, avr, avr, avr)
+DEF_HELPER_3(vmaxub, void, avr, avr, avr)
+DEF_HELPER_3(vmaxuh, void, avr, avr, avr)
+DEF_HELPER_3(vmaxuw, 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	2009-01-03 13:31:49 UTC (rev 6156)
+++ trunk/target-ppc/op_helper.c	2009-01-03 13:31:58 UTC (rev 6157)
@@ -2007,6 +2007,30 @@
 #undef VAVG_DO
 #undef VAVG
 
+#define VMINMAX_DO(name, compare, element)                              \
+    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++) {                  \
+            if (a->element[i] compare b->element[i]) {                  \
+                r->element[i] = b->element[i];                          \
+            } else {                                                    \
+                r->element[i] = a->element[i];                          \
+            }                                                           \
+        }                                                               \
+    }
+#define VMINMAX(suffix, element)                \
+  VMINMAX_DO(min##suffix, >, element)           \
+  VMINMAX_DO(max##suffix, <, element)
+VMINMAX(sb, s8)
+VMINMAX(sh, s16)
+VMINMAX(sw, s32)
+VMINMAX(ub, u8)
+VMINMAX(uh, u16)
+VMINMAX(uw, u32)
+#undef VMINMAX_DO
+#undef VMINMAX
+
 #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 13:31:49 UTC (rev 6156)
+++ trunk/target-ppc/translate.c	2009-01-03 13:31:58 UTC (rev 6157)
@@ -6187,6 +6187,18 @@
 GEN_VXFORM(vsububm, 0, 16);
 GEN_VXFORM(vsubuhm, 0, 17);
 GEN_VXFORM(vsubuwm, 0, 18);
+GEN_VXFORM(vmaxub, 1, 0);
+GEN_VXFORM(vmaxuh, 1, 1);
+GEN_VXFORM(vmaxuw, 1, 2);
+GEN_VXFORM(vmaxsb, 1, 4);
+GEN_VXFORM(vmaxsh, 1, 5);
+GEN_VXFORM(vmaxsw, 1, 6);
+GEN_VXFORM(vminub, 1, 8);
+GEN_VXFORM(vminuh, 1, 9);
+GEN_VXFORM(vminuw, 1, 10);
+GEN_VXFORM(vminsb, 1, 12);
+GEN_VXFORM(vminsh, 1, 13);
+GEN_VXFORM(vminsw, 1, 14);
 GEN_VXFORM(vavgub, 1, 16);
 GEN_VXFORM(vavguh, 1, 17);
 GEN_VXFORM(vavguw, 1, 18);