+XorHighLow => {
+ irn_flags => [ "rematerializable" ],
+ state => "exc_pinned",
+ reg_req => { in => [ "eax ebx ecx edx" ],
+ out => [ "in_r1", "flags" ] },
+ emit => '. xorb %SH0, %SB0',
+ ins => [ "value" ],
+ outs => [ "res", "flags" ],
+ units => [ "GP" ],
+ latency => 1,
+ mode => $mode_gp,
+ modified_flags => $status_flags,
+},
+