Enable JIT compiler for x64.

Only works on Linux/x64 and Windows/x64 right now.
Force an x64 build on Linux/x64 with: make CC="gcc -m64"
NYI: handle on-trace OOM errors.
NYI: improve register allocation for x64.

1 files changed, 3 insertions, 2 deletions

diff --git a/doc/luajit.html b/doc/luajit.html
index 58dfa32e..66032fdf 100644
--- a/doc/luajit.html
+++ b/doc/luajit.html
@@ -63,8 +63,9 @@ standard Lua interpreter and can be deployed as a drop-in replacement.
 <p>
 LuaJIT offers more performance, at the expense of portability. It
 currently runs on all popular operating systems based on <b>x86 CPUs</b>
-(Linux, Windows, OSX etc.). A port to x64 CPUs is currently ongoing &mdash;
-you can follow its progress in the <a href="http://luajit.org/download.html"><span class="ext">&raquo;</span>&nbsp;git repository</a>.
+(Linux, Windows, OSX etc.). A preliminary port to Linux/x64 and Windows/x64
+is already available (follow the <a href="install.html">build instructions</a>
+to enable it).
 Other platforms will be supported in the future, based on user demand
 and sponsoring.
 </p>