In article <1022253543.962.236.camel@sinai> you wrote:
> On Fri, 2002-05-24 at 07:42, Alan Cox wrote:
>> Bench it and see. From my own experience -O3 made the kernel a lot larger
>> and reduced overall performance - in part because the kernel already
>> explicitly figures out what it wants inlined.
>>
>> Interestingly enough -Os outperformed -O2
> Heh, now that is interesting.
Not really, -Os implies -O2, cf gcc/toplev.c:
if ((p[0] == 's') && (p[1] == 0))
{
optimize_size = 1;
/* Optimizing for size forces optimize to be 2. */
optimize = 2;
}
CIao, Marcus
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