x86[_64]cpuid.pl: add low-level RDSEED.

[openssl.git] / crypto / perlasm / x86asm.pl

diff --git a/crypto/perlasm/x86asm.pl b/crypto/perlasm/x86asm.pl
index 17abf9229779a3f7c3a3837565ac9a054b6fb1da..dcbc73851603fe53f57516cfec2a87de52b07f30 100644 (file)
--- a/crypto/perlasm/x86asm.pl
+++ b/crypto/perlasm/x86asm.pl
@@ -131,6 +131,14 @@ sub ::rdrand
     {  &::generic("rdrand",@_);        }
 }
 
     {  &::generic("rdrand",@_);        }
 }
 

+sub ::rdseed
+{ my ($dst)=@_;
+    if ($dst =~ /(e[a-dsd][ixp])/)
+    {  &::data_byte(0x0f,0xc7,0xf8|$regrm{$dst});      }
+    else
+    {  &::generic("rdrand",@_);        }
+}
+

 sub rxb {
  local *opcode=shift;
  my ($dst,$src1,$src2,$rxb)=@_;
 sub rxb {
  local *opcode=shift;
  my ($dst,$src1,$src2,$rxb)=@_;