Re: gcc -funroll-all-loops

[Adam C Powell IV <hazelsct@mit.edu>]

Charles Brunet wrote:

> Hi,
>
> I'm trying to compile Atlas-3.0 on my iBook running Debian 2.2.
>
> The optimisation option -funroll-all-loops cause a memory leak that fill my
> swap when compiling the file muladd.c . Is it a known bug in gcc (2.95.2)?

Yes, it is.  See the thread "compiling atlas2 on athlon" which I cc'd to this
list from debian-beowulf, started 9/13 and ran into October.

Daniel Jacobowitz was looking into it, sample short cpp output which shows the
bug is at http://lyre.mit.edu/~powell/debs/muladd.E .

HTH,

-Adam P.

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