From 826a45cc9d3c1f4a12ec764c0f016c38834d1654 Mon Sep 17 00:00:00 2001
From: David Monniaux <david.monniaux@univ-grenoble-alpes.fr>
Date: Sun, 24 Mar 2019 19:23:33 +0100
Subject: experiments with ternary operator

---
 test/monniaux/bitsliced-aes/bs.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'test/monniaux/bitsliced-aes')

diff --git a/test/monniaux/bitsliced-aes/bs.c b/test/monniaux/bitsliced-aes/bs.c
index 04c155ea..f48faefa 100644
--- a/test/monniaux/bitsliced-aes/bs.c
+++ b/test/monniaux/bitsliced-aes/bs.c
@@ -389,8 +389,13 @@ void bs_transpose_dst(word_t * transpose, word_t * blocks)
 
 #ifndef UNROLL_TRANSPOSE
 	    /* DM experiments */
+	    /* The normal ternary operator costs us a lot!
+               from 10145951 to 7995063 */
+#if 1
+#define TERNARY_XY0(t, x) ((-((t) != 0)) & (x))
+#else
 #define TERNARY_XY0(t, x) (((t) != 0) ? (x) : (0))
-	    
+#endif	    
             int j;
             for(j=0; j < WORD_SIZE; j++)
             {
-- 
cgit