Re: [Qemu-devel] [PATCH] Fix NaN handling in softfloat

[Daniel Jacobowitz]

On Thu, Nov 08, 2007 at 12:05:25AM +0100, Aurelien Jarno wrote:
> Has Thiemo already said, there is no IEEE behavior. If you look at the
> IEEE 754 document you will see that it has requirements on what should
> be supported by an IEEE compliant FPU, but has very few requirements on
> the implementation.

If folks don't like the target conditionals there, I recommend we just
set some low bit to be sure it's a NaN and move on.  The softfloat
implementation is not all that close to matching any one hardware FPU.

-- 
Daniel Jacobowitz
CodeSourcery