M68K status register fixes.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2967 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/target-m68k/op_helper.c b/target-m68k/op_helper.c
index 4c423ca..39cd5d7 100644
--- a/target-m68k/op_helper.c
+++ b/target-m68k/op_helper.c
@@ -131,6 +131,8 @@
 
     vector = env->exception_index << 2;
 
+    sp = env->aregs[7];
+
     fmt |= 0x40000000;
     fmt |= (sp & 3) << 28;
     fmt |= vector << 16;
@@ -143,8 +145,6 @@
     }
     m68k_switch_sp(env);
 
-    sp = env->aregs[7];
-
     /* ??? This could cause MMU faults.  */
     sp &= ~3;
     sp -= 4;