[Qemu-devel] [5912] ARM: fix usad8 and usada8 usage of registers (Mans Rullgard).

[Andrzej Zaborowski]

Revision: 5912
          http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=5912
Author:   balrog
Date:     2008-12-07 14:03:27 +0000 (Sun, 07 Dec 2008)

Log Message:
-----------
ARM: fix usad8 and usada8 usage of registers (Mans Rullgard).

This fixes the destination and accumulator registers for the usad8
and usada8 instructions.

Signed-off-by: Mans Rullgard <address@hidden>
Signed-off-by: Andrzej Zaborowski <address@hidden>

Modified Paths:
--------------
    trunk/target-arm/translate.c

Modified: trunk/target-arm/translate.c
===================================================================
--- trunk/target-arm/translate.c        2008-12-07 13:40:38 UTC (rev 5911)
+++ trunk/target-arm/translate.c        2008-12-07 14:03:27 UTC (rev 5912)
@@ -6556,12 +6556,12 @@
                         tmp2 = load_reg(s, rs);
                         gen_helper_usad8(tmp, tmp, tmp2);
                         dead_tmp(tmp2);
-                        if (rn != 15) {
-                            tmp2 = load_reg(s, rn);
+                        if (rd != 15) {
+                            tmp2 = load_reg(s, rd);
                             tcg_gen_add_i32(tmp, tmp, tmp2);
                             dead_tmp(tmp2);
                         }
-                        store_reg(s, rd, tmp);
+                        store_reg(s, rn, tmp);
                         break;
                     case 0x20: case 0x24: case 0x28: case 0x2c:
                         /* Bitfield insert/clear.  */