*: 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/libbb/write.c b/libbb/write.c
index b628b49bb..e8a9eff86 100644
--- a/libbb/write.c
+++ b/libbb/write.c
@@ -11,7 +11,7 @@
 
 /* Open file and write string str to it, close file.
  * Die on any open or write-error.  */
-void xopen_xwrite_close(const char* file, const char* str)
+void FAST_FUNC xopen_xwrite_close(const char* file, const char* str)
 {
         int fd = xopen(file, O_WRONLY);