diff -Naur openssl-1.0.2a.org/crypto/x86cpuid.pl openssl-1.0.2a/crypto/x86cpuid.pl --- openssl-1.0.2a.org/crypto/x86cpuid.pl 2015-03-19 14:30:36.000000000 +0100 +++ openssl-1.0.2a/crypto/x86cpuid.pl 2015-04-28 13:47:57.853521020 +0200 @@ -71,6 +71,7 @@ &mov ("eax",1); &xor ("ecx","ecx"); &cpuid (); + &and ("ecx",0xfffffdff); # clear SSSE3 because it is incredible slow on AMD's &bt ("edx",28); &jnc (&label("generic")); &shr ("ebx",16);