diff --git a/ptxtools/.gitignore b/ptxtools/.gitignore
new file mode 100644
index 00000000..428bf32d
--- /dev/null
+++ b/ptxtools/.gitignore
@@ -0,0 +1,6 @@
+*.hh
+*.cc
+*.o
+ptxcc
+ptxgen
+ptxgrammar.output