mjit.h: skip accessing mjit_opts if JIT-ed

We want to skip checking `mjit_opts.wait` for already JIT-ed case.
Optcarrot is slightly improved like 65.20 fps -> 66.60 fps.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63480 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 6 deletions

diff --git a/mjit.h b/mjit.h
index c52b253c04..964ab388ae 100644
--- a/mjit.h
+++ b/mjit.h
@@ -102,17 +102,14 @@ mjit_exec(rb_execution_context_t *ec)
     total_calls = ++body->total_calls;
 
     func = body->jit_func;
-    if (UNLIKELY(mjit_opts.wait && mjit_opts.min_calls == total_calls && mjit_target_iseq_p(body)
-                 && func == (mjit_func_t)NOT_ADDED_JIT_ISEQ_FUNC)) {
-        mjit_add_iseq_to_process(iseq);
-        func = mjit_get_iseq_func(body);
-    }
-
     if (UNLIKELY((ptrdiff_t)func <= (ptrdiff_t)LAST_JIT_ISEQ_FUNC)) {
         switch ((enum rb_mjit_iseq_func)func) {
           case NOT_ADDED_JIT_ISEQ_FUNC:
             if (total_calls == mjit_opts.min_calls && mjit_target_iseq_p(body)) {
                 mjit_add_iseq_to_process(iseq);
+                if (UNLIKELY(mjit_opts.wait)) {
+                    func = mjit_get_iseq_func(body);
+                }
             }
             return Qundef;
           case NOT_READY_JIT_ISEQ_FUNC: