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Re: gcc 3.1 is still very slow, compared to 2.95.3
From: Richard Henderson <email@example.com>
Date: Sun, 19 May 2002 15:18:55 -0700
On Sun, May 19, 2002 at 04:59:11AM -0700, David S. Miller wrote:
> I promise to look more deeply into this. It may be a Sparc specific
> problem because x86 outputs:
> movl $0, (%eax)
> movw code, (%eax)
No, x86 does this because !STRICT_ALIGNMENT. Somehow we've lost
the known alignment of the type during the memset.
Could it be yet more fallout from that Kenner change that was
being discussed a few weeks ago? That is where I was going to
start snooping around when I got back to this...