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randread: add FIXME comment for RDRAND

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* gl/lib/randread.c: Add a FIXME comment suggesting how to improve
performance by using the RDRAND hardware instruction.
This commit is contained in:
Paul Eggert
2011-09-17 08:53:45 -07:00
parent 7da844cc86
commit e92b0dbc13
1 changed files with 3 additions and 0 deletions
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gl/lib/randread.c
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@@ -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"