RFA: gdbarch IEEE_FLOAT

[Andrew Cagney]

Jim Blandy wrote:
> 
> The changes to the tm.h files are trivial, so I don't think this
> really needs approval from the various platform maintainers.
> 
> 2000-04-10  Jim Blandy  <jimb@redhat.com>
> 
>         Bring IEEE_FLOAT under gdbarch's control.
>         * gdbarch.sh (IEEE_FLOAT): New entry.
>         * gdbarch.c, gdbarch.h: Regenerated.
>         * valprint.c (IEEE_FLOAT): Provide a default #definition for this.
>         (print_floating): Use IEEE_FLOAT as if it were an expression; use
>         the code specific to IEEE-format numbers whenever the value of
>         IEEE_FLOAT is non-zero.
>         * config/a29k/tm-a29k.h, config/alpha/tm-alpha.h,
>         config/arc/tm-arc.h, config/arm/tm-arm.h, config/fr30/tm-fr30.h,
>         config/h8300/tm-h8300.h, config/i386/tm-i386.h,
>         config/i960/tm-i960.h, config/m88k/tm-m88k.h,
>         config/mips/tm-mips.h, config/pa/tm-hppa.h,
>         config/sparc/tm-sparc.h, config/delta/tm-delta.h,
>         config/frv/tm-frv.h (IEEE_FLOAT): For all ports that #define
>         IEEE_FLOAT, make sure they give it the value (1).
> 

Ok with me.

BTW, the need to add the below is going away soon.  I've pending
multi-arch patches that will provide this as a non- multi-arch default.

> + 
> + /* Provide a default value for IEEE_FLOAT.  */
> + #ifndef IEEE_FLOAT
> + #define IEEE_FLOAT (0)
> + #endif
> + 
> + 

	Andrew