On Fri, Feb 26, 2010 at 06:09:37PM +0100, Paolo Carlini wrote:
> On 02/26/2010 05:36 PM, Andreas Schwab wrote:
> > See libiberty/floatformat.c.
> >
> Ok, thanks. Actually, it looks like there is *no* padding in the middle
> for the Intel x87 format I truly care about:
>
> const struct floatformat floatformat_i387_ext =
> {
> floatformat_little, 80, 0, 1, 15, 0x3fff, 0x7fff, 16, 64,
>
> I read it as meaning 0 sign, 1-15 exponent, 16-79 mantissa.
>
> But really we don't want to deal with all those special cases for other
> formats, for now at least. Too bad.
Despite all that exchange, I don't think you ever answered Andreas's
question - at least not in a way that I could understand. A size of
what? The size of the *type* on x86 is 16; the size of the *data
bits* is 10. But what cares about the size of the data bits rather
than e.g. the size of the mantissa?
--
Daniel Jacobowitz
CodeSourcery
