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-rw-r--r--gl/lib/randread.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/gl/lib/randread.c b/gl/lib/randread.c
index b4979c726..a75d9f623 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"