"use register arguments" option enabled.

Alan Cox alan at redhat.com
Tue May 17 14:56:41 UTC 2005


On Tue, May 17, 2005 at 03:47:29PM +0100, David Woodhouse wrote:
> If accessing the top of your stack is "using system memory" you're
> screwed already. It ought to be in L1 cache.

It will normally be in L1, but you've still got penalties compared to register
access because of things like %esp interlocks as well as being longer and
using more cache




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