From f04f3873f87d7b181913b2c423f44278792195d9 Mon Sep 17 00:00:00 2001
From: Andy Polyakov <appro@openssl.org>
Date: Thu, 8 Jul 2010 09:14:00 +0000
Subject: [PATCH] rand_nw.c: compensate for gcc bug (using %edx instead of %eax
 at -O3). PR: 2296

---
 crypto/rand/rand_nw.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/crypto/rand/rand_nw.c b/crypto/rand/rand_nw.c
index f177ffbe82..8d5b8d2e32 100644
--- a/crypto/rand/rand_nw.c
+++ b/crypto/rand/rand_nw.c
@@ -160,8 +160,8 @@ int RAND_poll(void)
          rdtsc
          mov tsc, eax        
       }
-#else
-      asm volatile("rdtsc":"=A" (tsc));
+#elif defined(__GNUC__) && __GNUC__>=2 && !defined(OPENSSL_NO_ASM) && !defined(OPENSSL_NO_INLINE_ASM)
+      asm volatile("rdtsc":"=a"(tsc)::"edx");
 #endif
 
       RAND_add(&tsc, sizeof(tsc), 1);
-- 
2.40.0