From a74462bc52ee3050e13680cd35156589e7f45555 Mon Sep 17 00:00:00 2001
From: Bryan Bishop <kanzure@gmail.com>
Date: Sat, 31 Aug 2013 12:03:48 -0500
Subject: [PATCH] even better performance for read_line

---
 preprocessor.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/preprocessor.py b/preprocessor.py
index 79fb9224f..10e407380 100644
--- a/preprocessor.py
+++ b/preprocessor.py
@@ -609,7 +609,7 @@ def macro_translator(macro, token, line, show_original_lines=False, do_macro_san
 def read_line(l, macro_table):
     """Preprocesses a given line of asm."""
 
-    if l in ["\n", ""]:
+    if l in ["\n", ""] or l[0] == ";":
         sys.stdout.write(l)
         return # jump out early