On Wed, Jul 16, 2003 at 02:05:32AM +0200, J.A. Magallon wrote:
>
> On 07.16, J.A. Magallon wrote:
> > Hi all...
> >
> > After some binary search and a 'couple' kernel builds, I narrowed the
> > problem to mm/memory.c. With that file built at -O1:
> >
> > CFLAGS_memory.o = -O1
> >
> > The kernel boots, starts /sbin/init and looks like working normally
> > (2.4.22-pre5).
> >
> > Anybody can see what is miscompiled with an assembler listing ?
> > Any #pragma to switch optmizations on the half of a file or for
> > a function ?
> >
>
> I finally got this: -O2 fails but
>
> CFLAGS_memory.o = -Os -falign-functions -falign-jumps -falign-loops -falign-labels -fprefetch-loop-arrays -freorder-blocks
>
> works.
>
> Those are specific options disabled by -Os, but -Os does more things...
> (assembler output is very different)
>
> Any SuSE site (hammer comes from SuSE, isn't it ?) to submit a decent
> bug report ?
bugs@x86-64.org should be appropriate.
Andrea
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This archive was generated by hypermail 2b29 : Tue Jul 15 2003 - 22:01:01 EST