Messages in this thread | ![/](/images/icornerl.gif) | | Date | Wed, 16 Jul 2003 02:05:32 +0200 | From | "J.A. Magallon" <> | Subject | Re: gcc-3.3.1-hammer breaks mm/memory.c |
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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 ?
TIA
-- J.A. Magallon <jamagallon@able.es> \ Software is like sex: werewolf.able.es \ It's better when it's free Mandrake Linux release 9.2 (Cooker) for i586 Linux 2.4.22-pre5-jam1m (gcc 3.3.1 (Mandrake Linux 9.2 3.3.1-0.2mdk)) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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