tcg: dump op count into qemu log

fopen() may fail and it does not check its return vaule here,
it is better to dump op count to the normal log file.

Signed-off-by: Li Liu <john.liuli@huawei.com>
Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
diff --git a/tcg/tcg.c b/tcg/tcg.c
index c068990..7a84b87 100644
--- a/tcg/tcg.c
+++ b/tcg/tcg.c
@@ -2404,12 +2404,10 @@
 static void dump_op_count(void)
 {
     int i;
-    FILE *f;
-    f = fopen("/tmp/op.log", "w");
+
     for(i = INDEX_op_end; i < NB_OPS; i++) {
-        fprintf(f, "%s %" PRId64 "\n", tcg_op_defs[i].name, tcg_table_op_count[i]);
+        qemu_log("%s %" PRId64 "\n", tcg_op_defs[i].name, tcg_table_op_count[i]);
     }
-    fclose(f);
 }
 #endif