From: Andy Polyakov Date: Mon, 4 Mar 2013 19:05:04 +0000 (+0100) Subject: x86cpuid.pl: make it work with older CPUs. Origin: upstream: http://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff_plain;h=5702e965d759dde8a098d8108660721ba2b93a7d Bug-Debian: http://bugs.debian.org/699692 Bug: http://rt.openssl.org/Ticket/Display.html?id=3005&user=guest&pass=guest diff --git a/crypto/x86cpuid.pl b/crypto/x86cpuid.pl index 3b6c469..e8a7518 100644 --- a/crypto/x86cpuid.pl +++ b/crypto/x86cpuid.pl @@ -69,6 +69,7 @@ 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")); @@ -102,6 +103,7 @@ 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);