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Re: GCC 3.0.3 PRs


Joe Buck wrote:

> Paolo writes:
> > Well, it looks like Benjamin has *already* fixed it for the mainline:
> >
> >     http://gcc.gnu.org/ml/gcc-patches/2001-12/msg00814.html
> >
> > Apparently, there is a minor nit remaining
> > (http://gcc.gnu.org/ml/gcc-prs/2001-12/msg00432.html) but otherwise, it suffices to
> > backport it to gcc-3_0
>
> I would call this objection more than a minor nit.  First, the proposed
> patch is very slow for base != 10, second, Philip reports that it is
> broken for some values (his example is reading 017777777777 into a long on
> x86).
>
> I don't think that backporting this patch would be acceptable until
> these two issues are addressed.

Well, in fact I *cannot* absolutely reproduce the last problem!
On my i686-pc-linux-gnu I could read into a long both 017777777777 and 0x7fffffff.

As for the slowness for base != 10 that could be easily fixed, and notice that in fact one
of those two logarithms is in fact a log(10.0).

Cheers,
P.



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