*: 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

1 files changed, 1 insertions, 1 deletions

diff --git a/archival/rpm.c b/archival/rpm.c
index 41b8c81b2..3d03dbcce 100644
--- a/archival/rpm.c
+++ b/archival/rpm.c
@@ -190,7 +190,7 @@ static void extract_cpio_gz(int fd)
         archive_handle_t *archive_handle;
         unsigned char magic[2];
 #if BB_MMU
-        USE_DESKTOP(long long) int (*xformer)(int src_fd, int dst_fd);
+        USE_DESKTOP(long long) int FAST_FUNC (*xformer)(int src_fd, int dst_fd);
         enum { xformer_prog = 0 };
 #else
         enum { xformer = 0 };