wrwim insn fix (Paul Robinson)

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2200 c046a42c-6fe2-441c-8c8c-71466251a162

target-sparc/op.c

@@ -844,6 +844,15 @@ void OPPROTO op_wrpsr(void)
     FORCE_RET();
 }
 
+void OPPROTO op_wrwim(void)
+{
+#if NWINDOWS == 32
+    env->wim = T0;
+#else
+    env->wim = T0 & ((1 << NWINDOWS) - 1);
+#endif
+}
+
 void OPPROTO op_rett(void)
 {
     helper_rett();

target-sparc/translate.c

@@ -2005,7 +2005,7 @@ static void disas_sparc_insn(DisasContext * dc)
 				goto illegal_insn;
 			    }
 #else
-			    gen_op_movl_env_T0(offsetof(CPUSPARCState, wim));
+			    gen_op_wrwim();
 #endif
                         }
                         break;