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

[openssl.git] / crypto / perlasm / x86_64-xlate.pl

diff --git a/crypto/perlasm/x86_64-xlate.pl b/crypto/perlasm/x86_64-xlate.pl
index ed74b85..4dd7f52 100755 (executable)
--- a/crypto/perlasm/x86_64-xlate.pl
+++ b/crypto/perlasm/x86_64-xlate.pl
@@ -778,6 +778,19 @@ my $rdrand = sub {
     }
 };
 
     }
 };
 

+my $rdseed = sub {
+    if (shift =~ /%[er](\w+)/) {
+      my @opcode=();
+      my $dst=$1;
+       if ($dst !~ /[0-9]+/) { $dst = $regrm{"%e$dst"}; }
+       rex(\@opcode,0,$1,8);
+       push @opcode,0x0f,0xc7,0xf8|($dst&7);
+       @opcode;
+    } else {
+       ();
+    }
+};
+

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