From defc1ea34074e7882724c460260d307cdf981a70 Mon Sep 17 00:00:00 2001
From: Denis Vlasenko <vda.linux@googlemail.com>
Date: Fri, 27 Jun 2008 02:52:20 +0000
Subject: *: 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
---
 include/platform.h | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'include/platform.h')

diff --git a/include/platform.h b/include/platform.h
index cdc1151ad..8d6ed9a3e 100644
--- a/include/platform.h
+++ b/include/platform.h
@@ -97,6 +97,13 @@
 # endif
 #endif
 
+#if __GNUC_PREREQ(3,0) && defined(i386)
+/* || defined(__x86_64__)? */
+# define FAST_FUNC __attribute__((regparm(3)))
+#else
+# define FAST_FUNC
+#endif
+
 /* ---- Endian Detection ------------------------------------ */
 
 #if (defined __digital__ && defined __unix__)
-- 
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