From: Andy Polyakov <appro@openssl.org>
Date: Mon, 4 Mar 2013 19:05:04 +0000 (+0100)
Subject: x86cpuid.pl: make it work with older CPUs.
X-Git-Tag: OpenSSL_1_0_1f~78
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=96b680f210211f822165794f23f05efef13c9935;p=oweals%2Fopenssl.git

x86cpuid.pl: make it work with older CPUs.

PR: 3005
(cherry picked from commit 5702e965d759dde8a098d8108660721ba2b93a7d)
---

diff --git a/crypto/x86cpuid.pl b/crypto/x86cpuid.pl
index c18b0e2486..b270b44337 100644
--- a/crypto/x86cpuid.pl
+++ b/crypto/x86cpuid.pl
@@ -67,6 +67,7 @@ for (@ARGV) { $sse2=1 if (/-DOPENSSL_IA32_SSE2/); }
 	&inc	("esi");		# number of cores
 
 	&mov	("eax",1);
+	&xor	("ecx","ecx");
 	&cpuid	();
 	&bt	("edx",28);
 	&jnc	(&label("generic"));
@@ -91,6 +92,7 @@ for (@ARGV) { $sse2=1 if (/-DOPENSSL_IA32_SSE2/); }
 
 &set_label("nocacheinfo");
 	&mov	("eax",1);
+	&xor	("ecx","ecx");
 	&cpuid	();
 	&and	("edx",0xbfefffff);	# force reserved bits #20, #30 to 0
 	&cmp	("ebp",0);