diff --git a/qemu/tcg/tcg.c b/qemu/tcg/tcg.c
index 2c12c27c..ee6bd0f5 100644
--- a/qemu/tcg/tcg.c
+++ b/qemu/tcg/tcg.c
@@ -1918,6 +1918,26 @@ static inline void tcg_la_br_end(TCGContext *s)
     }
 }
 
+/* liveness analysis: sync globals back to memory.  */
+static void la_global_sync(TCGContext *s, int ng)
+{
+    int i;
+
+    for (i = 0; i < ng; ++i) {
+        s->temps[i].state |= TS_MEM;
+    }
+}
+
+/* liveness analysis: sync globals back to memory and kill.  */
+static void la_global_kill(TCGContext *s, int ng)
+{
+    int i;
+
+    for (i = 0; i < ng; i++) {
+        s->temps[i].state = TS_DEAD | TS_MEM;
+    }
+}
+
 /* Liveness analysis : update the opc_arg_life array to tell if a
    given input arguments is dead. Instructions updating dead
    temporaries are removed. */
@@ -1973,15 +1993,9 @@ static void liveness_pass_1(TCGContext *s)
 
                     if (!(call_flags & (TCG_CALL_NO_WRITE_GLOBALS |
                                         TCG_CALL_NO_READ_GLOBALS))) {
-                        /* globals should go back to memory */
-                        for (i = 0; i < nb_globals; i++) {
-                            s->temps[i].state = TS_DEAD | TS_MEM;
-                        }
+                        la_global_kill(s, nb_globals);
                     } else if (!(call_flags & TCG_CALL_NO_READ_GLOBALS)) {
-                        /* globals should be synced to memory */
-                        for (i = 0; i < nb_globals; i++) {
-                            s->temps[i].state |= TS_MEM;
-                        }
+                        la_global_sync(s, nb_globals);
                     }
 
                     /* record arguments that die in this helper */
@@ -2133,10 +2147,7 @@ static void liveness_pass_1(TCGContext *s)
                         tcg_la_br_end(s);
                     }
                 } else if (def->flags & TCG_OPF_SIDE_EFFECTS) {
-                    /* globals should be synced to memory */
-                    for (i = 0; i < nb_globals; i++) {
-                        s->temps[i].state |= TS_MEM;
-                    }
+                    la_global_sync(s, nb_globals);
                 }
 
                 /* record arguments that die in this opcode */