From: Andy Polyakov <appro@openssl.org>
Date: Fri, 9 Dec 2011 14:28:48 +0000 (+0000)
Subject: x86-mont.pl: fix bug in integer-only squaring path [from HEAD].
X-Git-Tag: OpenSSL_0_9_8s~12
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=2ee77d36a092618264ad29e7d47f76c15c138b40;p=oweals%2Fopenssl.git

x86-mont.pl: fix bug in integer-only squaring path [from HEAD].
PR: 2648
---

diff --git a/crypto/bn/asm/mo-586.pl b/crypto/bn/asm/mo-586.pl
index 0982293094..061127e0b1 100644
--- a/crypto/bn/asm/mo-586.pl
+++ b/crypto/bn/asm/mo-586.pl
@@ -539,8 +539,10 @@ $sbit=$num;
 	&jle	(&label("sqradd"));
 
 	&mov	($carry,"edx");
-	&lea	("edx",&DWP(0,$sbit,"edx",2));
+	&add	("edx","edx");
 	&shr	($carry,31);
+	&add	("edx",$sbit);
+	&adc	($carry,0);
 &set_label("sqrlast");
 	&mov	($word,$_n0);
 	&mov	($inp,$_np);