diff --git a/tools/asm-processor b/tools/asm-processor
index 35234f294a..cbc5b1af79 160000
--- a/tools/asm-processor
+++ b/tools/asm-processor
@@ -1 +1 @@
-Subproject commit 35234f294afe646bb07e6ff489ebcfd47e808f62
+Subproject commit cbc5b1af79d236f914509bd037213861d65001b0
diff --git a/tools/preprocess.py b/tools/preprocess.py
index 4e43ebccc0..7c0cb4c0fa 100644
--- a/tools/preprocess.py
+++ b/tools/preprocess.py
@@ -27,7 +27,7 @@ del compile_args[out_ind + 1]
 del compile_args[out_ind]
 
 in_dir = os.path.split(os.path.realpath(in_file))[0]
-opt_flags = [x for x in compile_args if x in ['-g', '-O2', '-framepointer', '-g3']]
+opt_flags = [x for x in compile_args if x in ['-g', '-O2', '-framepointer', '-g3', '-O1']]
 
 preprocessed_file = tempfile.NamedTemporaryFile(prefix='preprocessed', suffix='.c')