target/sh4: fix BS_STOP exit

When stopping the translation because the state has changed, goto_tb
should not be used as it might link TB with different flags.
Reviewed-by: NRichard Henderson <rth@twiddle.net>
Reviewed-by: NPhilippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: NAurelien Jarno <aurelien@aurel32.net>

target/sh4/translate.c

@@ -1901,8 +1901,9 @@ void gen_intermediate_code(CPUSH4State * env, struct TranslationBlock *tb)
     } else {
 	switch (ctx.bstate) {
         case BS_STOP:
-            /* gen_op_interrupt_restart(); */
-            /* fall through */
+            tcg_gen_movi_i32(cpu_pc, ctx.pc);
+            tcg_gen_exit_tb(0);
+            break;
         case BS_NONE:
             if (ctx.envflags) {
                 gen_store_flags(ctx.envflags);