From: Andy Polyakov <appro@openssl.org>
Date: Thu, 19 Oct 2006 20:55:05 +0000 (+0000)
Subject: Gcc over-optimizes PadLock AES CFB codepath, tell it not to.
X-Git-Tag: OpenSSL_0_9_8k^2~1101
X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff_plain;h=3634d7e97a530ec07b6ebe367c35ebba490c480f;hp=53d7efea76c838c01b2df2c16aca7c2485068d39

Gcc over-optimizes PadLock AES CFB codepath, tell it not to.
---

diff --git a/crypto/engine/eng_padlock.c b/crypto/engine/eng_padlock.c
index 8d92af6f8b..e1d66eac58 100644
--- a/crypto/engine/eng_padlock.c
+++ b/crypto/engine/eng_padlock.c
@@ -436,8 +436,8 @@ static inline void *name(size_t cnt,		\
 			rep_xcrypt "\n"		\
 		"	popl	%%ebx"		\
 		: "=a"(iv), "=c"(cnt), "=D"(out), "=S"(inp) \
-		: "0"(cdata), "1"(cnt), "2"(out), "3"(inp) \
-		: "edx", "cc");			\
+		: "0"(cdata), "1"(cnt), "2"(out), "3"(inp), "m"(*cdata)  \
+		: "edx", "cc", "memory");	\
 	return iv;				\
 }