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-rw-r--r--src/ext/ed25519/donna/ed25519-donna-portable.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/ext/ed25519/donna/ed25519-donna-portable.h b/src/ext/ed25519/donna/ed25519-donna-portable.h
index 9c9c55577c..75a53a570f 100644
--- a/src/ext/ed25519/donna/ed25519-donna-portable.h
+++ b/src/ext/ed25519/donna/ed25519-donna-portable.h
@@ -148,7 +148,7 @@ static inline void U64TO8_LE(unsigned char *p, const uint64_t v) {
* architecture supports it. This is not done on x86-64 as the non-SSE2
* code benchmarks better, at least on Haswell.
*/
-#if defined(__SSE2__) /* && !defined(CPU_X86_64) */
+#if defined(__SSE2__) && !defined(CPU_X86_64)
/* undef in case it's manually specified... */
#undef ED25519_SSE2
#define ED25519_SSE2