1 files changed, 12 insertions, 1 deletions

diff --git a/src/lib/libcrypto/des/des_locl.h b/src/lib/libcrypto/des/des_locl.h
index 70e833be3f..e44e8e98b2 100644
--- a/src/lib/libcrypto/des/des_locl.h
+++ b/src/lib/libcrypto/des/des_locl.h
@@ -162,7 +162,18 @@
 
 #if defined(OPENSSL_SYS_WIN32) && defined(_MSC_VER)
 #define ROTATE(a,n)     (_lrotr(a,n))
-#else
+#elif defined(__GNUC__) && __GNUC__>=2 && !defined(__STRICT_ANSI__) && !defined(OPENSSL_NO_ASM) && !defined(OPENSSL_NO_INLINE_ASM) && !defined(PEDANTIC)
+# if defined(__i386) || defined(__i386__) || defined(__x86_64) || defined(__x86_64__)
+#  define ROTATE(a,n)   ({ register unsigned int ret;   \
+                                asm ("rorl %1,%0"       \
+                                        : "=r"(ret)     \
+                                        : "I"(n),"0"(a) \
+                                        : "cc");        \
+                           ret;                         \
+                        })
+# endif
+#endif
+#ifndef ROTATE
 #define ROTATE(a,n)     (((a)>>(n))+((a)<<(32-(n))))
 #endif