New macro, ROTL32.

f13fd113 · Niels Möller · 60f3e677 · f13fd113 · f13fd113
Commit f13fd113 authored Mar 31, 2012 by Niels Möller
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ChangeLog ChangeLog +5 -0

macros.h macros.h +2 -0

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--- a/ChangeLog
+++ b/ChangeLog
+2012-03-31  Niels Möller  <nisse@lysator.liu.se>
+
+	* macros.h (ROTL32): New macro, to replace (almost) all other
+	rotation macros.
+
 2012-03-30  Niels Möller  <nisse@lysator.liu.se>

 	* nettle-internal.c (nettle_salsa20): Cipher struct for

--- a/macros.h
+++ b/macros.h
@@ -119,6 +119,8 @@ do {						\
 		  (dst) += (blocksize),		\
 		  (src) += (blocksize)) )

+#define ROTL32(n,x) ((((x))<<(n)) | (((x))>>(32-(n))))
+
 /* Requires that size >= 2 */
 #define INCREMENT(size, ctr)			\
  do {						\