From: Andy Polyakov <appro@openssl.org>
Date: Thu, 8 Jul 2010 09:15:49 +0000 (+0000)
Subject: rand_nw.c: compensate for gcc bug (using %edx instead of %eax at -O3)
X-Git-Tag: OpenSSL_1_0_1-beta1~496
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=b29b89ef215c6fda3bec921f7fbc5def18a69c15;p=oweals%2Fopenssl.git

rand_nw.c: compensate for gcc bug (using %edx instead of %eax at -O3)
[from HEAD].
PR: 2296
---

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);