*: introduce and use FAST_FUNC: regparm on i386, otherwise no-on
text data bss dec hex filename
808035 611 6868 815514 c719a busybox_old
804472 611 6868 811951 c63af busybox_unstripped
diff --git a/archival/libunarchive/get_header_cpio.c b/archival/libunarchive/get_header_cpio.c
index b97b53b..4ed18c6 100644
--- a/archival/libunarchive/get_header_cpio.c
+++ b/archival/libunarchive/get_header_cpio.c
@@ -17,7 +17,7 @@
char name[1];
} hardlinks_t;
-char get_header_cpio(archive_handle_t *archive_handle)
+char FAST_FUNC get_header_cpio(archive_handle_t *archive_handle)
{
static hardlinks_t *saved_hardlinks = NULL;
static hardlinks_t *saved_hardlinks_created = NULL;