5007142 Add ntohll and htonll to sys/byteorder.h
6717509 Need to use bswap/bswapq for byte swap of 64-bit integer on x32/x64
PSARC 2008/474

@@ -17,16 +17,14 @@
  * information: Portions Copyright [yyyy] [name of copyright owner]
  *
  * CDDL HEADER END
  */
 /*
- * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
+ * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 
-#pragma ident   "%Z%%M% %I%     %E% SMI"
-
 /
 / In-line functions for amd64 kernels.
 /
 
 /

@@ -76,10 +74,20 @@
 
 /
 / Networking byte order functions (too bad, Intel has the wrong byte order)
 /
 
+        .inline htonll,4
+        movq    %rdi, %rax
+        bswapq  %rax
+        .end
+
+        .inline ntohll,4
+        movq    %rdi, %rax
+        bswapq  %rax
+        .end
+
         .inline htonl,4
         movl    %edi, %eax
         bswap   %eax
         .end