added 64-bit Unix executables
diff --git a/.gitignore b/.gitignore
index 3fb5685..acaf583 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,6 +12,8 @@
 /.reltree
 /.reltreerc
 /build.zip
+/tdiff
+/sfiles
 /.eclipse
 /.generated_files
 /.local-imports
@@ -71,6 +73,7 @@
 ## Generated executables
 *.xem4
 *.x86U
+*.x86_64U
 *.x86_64M
 *.xv7A
 *.exe