*: 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/libbb/verror_msg.c b/libbb/verror_msg.c
index 5c6df48..58846d5 100644
--- a/libbb/verror_msg.c
+++ b/libbb/verror_msg.c
@@ -13,7 +13,7 @@
smallint logmode = LOGMODE_STDIO;
const char *msg_eol = "\n";
-void bb_verror_msg(const char *s, va_list p, const char* strerr)
+void FAST_FUNC bb_verror_msg(const char *s, va_list p, const char* strerr)
{
char *msg;
int applet_len, strerr_len, msgeol_len, used;
@@ -70,7 +70,7 @@
/* Code size is approximately the same, but currently it's the only user
* of writev in entire bbox. __libc_writev in uclibc is ~50 bytes. */
-void bb_verror_msg(const char *s, va_list p, const char* strerr)
+void FAST_FUNC bb_verror_msg(const char *s, va_list p, const char* strerr)
{
int strerr_len, msgeol_len;
struct iovec iov[3];