diff --git a/.gitignore b/.gitignore
index 5a022fb8f837..c674e06fda50 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,19 +1,27 @@
+*.a
+*.core
+*.o
+*.so
+*.swp
+*~
 _.tinderbox.*
 _.universe-toolchain
 _.amd64.*
 _.arm.*
 _.arm64.*
 _.i386.*
 _.ia64.*
 _.mips.*
 _.pc98.*
 _.powerpc.*
 _.riscv.*
 _.sparc64.*
 _.sun4v.*
 GPATH
 GRTAGS
 GTAGS
 ID
+cscope.files
+cscope.in.out
 cscope.out
-?cscope.out
+cscope.po.out