Bug#426713: gcc-4.2: decimal float support (--enable-decimal-float)

[Matthias Klose <doko@cs.tu-berlin.de>]

Vincent Lefevre writes:
> Package: gcc-4.2
> Version: 4.2-20070528-1
> Severity: wishlist
> 
> GCC 4.2 has partial support for decimal floating-point types (DFP):
> 
>   http://gcc.gnu.org/onlinedocs/gcc/Decimal-Float.html
> 
> But it seems that this is not enabled by default. I think that gcc
> should be built with --enable-decimal-float to get decimal float
> support. Even if the API can change, users still have the choice
> to use decimal floating-point types or not. So, there should be
> no drawback.

see http://gcc.gnu.org/ml/gcc/2007-06/msg00080.html

  "it's only supported for powerpc*-linux and x86*-linux"

  "doesn't really work for x86*-linux unitl ... fixed a bunch of
  back-end/middle-end bugs in 4.3"

still unsure if it's worth enabling it in 4.2.