diff options
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 70c8a2d671..6595ff35fc 100644 --- a/crypto/x86cpuid.pl +++ b/crypto/x86cpuid.pl @@ -442,6 +442,18 @@ my $max = "ebp"; &function_end("OPENSSL_instrument_bus2"); } +&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(); |