Set USE_BRL in elfxx-ia64.c at run-time?

[law@redhat.com]

In message <20030304011552.GQ12472@redhat.com>, Richard Henderson writes:
 >On Mon, Mar 03, 2003 at 05:17:03PM -0700, law@redhat.com wrote:
 >> Cool.  This was on my plate of things to look at -- presumably 
 >> Itanium 2 hardware implements BRL, rather than punting to an emulator.
 >> Right?
 >
 >Correct.  And, just in case anyone's forgotten, the ABI requires
 >the emulator to exist, so binaries *should* still run.
Cool.

On a marginally related note, what's the status on support for CHK
targets that are more than 16M away?  [ The other IA-64 item on my
list of things to investigate :-) ]

Jeff