From 5f761514e140ccf62af69c0d00e9233ef4f18b1a Mon Sep 17 00:00:00 2001
From: Andy Polyakov <appro@openssl.org>
Date: Sun, 21 Oct 2007 14:15:40 +0000
Subject: [PATCH] Make it possible for older masm to compile sse2 modules. PR:
 1592

---
 crypto/perlasm/x86ms.pl | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/crypto/perlasm/x86ms.pl b/crypto/perlasm/x86ms.pl
index 4badd1fc1c..ebf38adb1a 100644
--- a/crypto/perlasm/x86ms.pl
+++ b/crypto/perlasm/x86ms.pl
@@ -339,8 +339,17 @@ EOF
 sub main'file_end
 	{
 	# try to detect if SSE2 or MMX extensions were used...
-	if (grep {/\b[x]?mm[0-7]\b,/i} @out) {
-		grep {s/\.[3-7]86/\.686\n\t\.XMM/} @out;
+	my $xmmheader=<<___;
+.686
+.XMM
+IF \@Version LT 800
+XMMWORD STRUCT 16
+	DQ  2 dup (?)
+XMMWORD ENDS
+ENDIF
+___
+	if (grep {/\b[x]?mm[0-7]\b/i} @out) {
+		grep {s/\.[3-7]86/$xmmheader/} @out;
 		}
 	push(@out,"_TEXT\$	ENDS\n");
 	push(@out,"END\n");
-- 
2.25.1