1 files changed, 72 insertions, 0 deletions
diff --git a/tool/mk_call_iseq_optimized.rb b/tool/mk_call_iseq_optimized.rb
new file mode 100644
index 0000000000..d99de0a46b
--- /dev/null
+++ b/tool/mk_call_iseq_optimized.rb
@@ -0,0 +1,72 @@
+
+puts <<EOS
+#if 1 /* enable or disable this optimization */
+
+/* DO NOT EDIT THIS FILE DIRECTLY
+ *
+ * This file is enerated by tool/mkcall_iseq.rb
+ */
+
+EOS
+
+P = (0..3)
+L = (1..6)
+
+def fname param, local
+  "vm_call_iseq_setup_normal_0start_#{param}params_#{local}locals"
+end
+    
+P.each{|param|
+  L.each{|local|
+    puts <<EOS
+static VALUE
+#{fname(param, local)}(rb_thread_t *th, rb_control_frame_t *cfp, struct rb_calling_info *calling, const struct rb_call_info *ci, struct rb_call_cache *cc)
+{
+    return vm_call_iseq_setup_normal(th, cfp, calling, ci, cc, 0, #{param}, #{local});
+}
+
+EOS
+    #
+  }
+}
+
+puts <<EOS
+/* vm_call_iseq_handlers[param][local] */
+static const vm_call_handler vm_call_iseq_handlers[][#{L.to_a.size}] = {
+#{P.map{|param| '{' + L.map{|local| fname(param, local)}.join(",\n ") + '}'}.join(",\n")}
+};
+
+static inline vm_call_handler
+vm_call_iseq_setup_func(const struct rb_call_info *ci, const int param_size, const int local_size)
+{
+    if (UNLIKELY(ci->flag & VM_CALL_TAILCALL)) {
+	return vm_call_iseq_setup_tailcall_0start;
+    }
+    else if (0) { /* to disable optimize */
+        return vm_call_iseq_setup_normal_0start;
+    }
+    else {
+	if (param_size <= #{P.end} &&
+	    local_size <= #{L.end}) {
+	    VM_ASSERT(local_size != 0);
+	    return vm_call_iseq_handlers[param_size][local_size-1];
+	}
+	return vm_call_iseq_setup_normal_0start;
+    }
+}
+
+#else
+
+
+static inline vm_call_handler
+vm_call_iseq_setup_func(const struct rb_call_info *ci, struct rb_call_cache *cc)
+{
+    if (UNLIKELY(ci->flag & VM_CALL_TAILCALL)) {
+	return vm_call_iseq_setup_tailcall_0start;
+    }
+    else {
+        return vm_call_iseq_setup_normal_0start;
+    }
+}
+#endif
+EOS