Thread-local storage on IA64 in ILP32 mode

[Richard Henderson]

On Sat, Aug 23, 2003 at 02:04:36PM -0700, Mark Mitchell wrote:
> Actually, it seems to me like maybe it should really be:
> 
>  #if HAVE_AS_TLS && I_HAVE_EXPLICITLY_REQUESTED_TLS
> 
> as that would make it less likely to accidentally enable TLS on
> operating systems that don't have it

Eh, maybe.  I also don't want to make it too easy to build
the compiler *without* tls support, for systems that are
supposed to have it.

> ... which can cause user confusion.

What kind?

Suppose gcc is build with tls support, but the surrounding system
doesn't have it.  Unless the user writes __thread, no one's the 
wiser.  If they do write __thread, then they get what they deserve.



r~