From: Paul Eggert <eggert@cs.ucla.edu>
Date: Sat, 17 Sep 2011 15:53:45 +0000 (-0700)
Subject: randread: add FIXME comment for RDRAND
X-Git-Tag: v8.14~31
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e92b0dbc131c5662771c065f0731e4a91f78c018;p=thirdparty%2Fcoreutils.git

randread: add FIXME comment for RDRAND

* gl/lib/randread.c: Add a FIXME comment suggesting how to improve
performance by using the RDRAND hardware instruction.
---

diff --git a/gl/lib/randread.c b/gl/lib/randread.c
index b4979c726c..a75d9f6235 100644
--- a/gl/lib/randread.c
+++ b/gl/lib/randread.c
@@ -17,6 +17,9 @@
 
 /* Written by Paul Eggert.  */
 
+/* FIXME: Improve performance by adding support for the RDRAND machine
+   instruction if available (e.g., Ivy Bridge processors).  */
+
 #include <config.h>
 
 #include "randread.h"