diff options
| author | Andy Polyakov <appro@openssl.org> | 2011-08-10 18:53:13 +0000 |
|---|---|---|
| committer | Andy Polyakov <appro@openssl.org> | 2011-08-10 18:53:13 +0000 |
| commit | 922ac25f6408919db3dc121d893aadc9e3ddfa8f (patch) | |
| tree | 47f9b8734b591b43c72bb34a0d5643464c5d79ef /crypto/x86cpuid.pl | |
| parent | aed53d6c5a8f7c823ab3363d7300892773a5f430 (diff) | |
Add provisory support for RDRAND [from HEAD].
Diffstat (limited to 'crypto/x86cpuid.pl')
| -rw-r--r-- | crypto/x86cpuid.pl | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/crypto/x86cpuid.pl b/crypto/x86cpuid.pl index b8961ba4ad..d3d67c81d1 100644 --- a/crypto/x86cpuid.pl +++ b/crypto/x86cpuid.pl @@ -340,6 +340,18 @@ for (@ARGV) { $sse2=1 if (/-DOPENSSL_IA32_SSE2/); } &ret (); &function_end_B("OPENSSL_cleanse"); +&function_begin_B("OPENSSL_ia32_rdrand"); + &mov ("ecx",8); +&set_label("loop"); + &rdrand ("eax"); + &jc (&label("break")); + &loop (&label("loop")); +&set_label("break"); + &cmp ("eax",0); + &cmove ("eax","ecx"); + &ret (); +&function_end_B("OPENSSL_ia32_rdrand"); + &initseg("OPENSSL_cpuid_setup"); &asm_finish(); |