Messages in this thread | | | Date | Wed, 16 Jul 2003 03:50:01 +0200 | From | Andrea Arcangeli <> | Subject | Re: gcc-3.3.1-hammer breaks mm/memory.c |
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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.
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