Patch to implement XFmode/TFmode constant suffixes on IA64

[Steve Ellcey]

> > When the patch to allow the use of 'q' and 'w' suffixes went in for
> > i386, the tests that were added were also enabled for IA64 but the code
> > to allow these suffixes was not put in.  Here is a patch to implement
> > the suffixes for IA64, it is basically the same code that i386 uses.
> > 2007-07-27  Steve Ellcey  <sje@cup.hp.com>
> >
> > 	* config/ia64/ia64.c (ia64_c_mode_for_suffix): New.
> > 	(TARGET_C_MODE_FOR_SUFFIX): New.
> 
> This patch can be considered as obvious due to the above reason.
> 
> Uros.

Works for me.  I will check it in.

Steve Ellcey
sje@cup.hp.com