diff options
| author | Andy Polyakov <appro@openssl.org> | 2013-03-04 20:05:04 +0100 |
|---|---|---|
| committer | Andy Polyakov <appro@openssl.org> | 2013-03-04 20:05:04 +0100 |
| commit | 5702e965d759dde8a098d8108660721ba2b93a7d (patch) | |
| tree | 3135fe4714ea2246ee21a6138af555f65c912141 /crypto/x86cpuid.pl | |
| parent | 656829b78f999df6c3420c2b4e5bc296e056a4e0 (diff) | |
x86cpuid.pl: make it work with older CPUs.
PR: 3005
Diffstat (limited to 'crypto/x86cpuid.pl')
| -rw-r--r-- | crypto/x86cpuid.pl | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/crypto/x86cpuid.pl b/crypto/x86cpuid.pl index 3b6c469d08..e8a75181af 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); |