Bug#328183: #328183: no-tls-direct-seg-refs
Petr Salinger, le Thu 05 Jan 2006 09:22:29 +0100, a écrit :
> > > > will add a very little extra cost to single thread-specific variable
> > > > accesses, but it shouldn't be noticeable at all.
> > >
> > > Well, to be correct, switch -mno-tls-direct-seg-refs
> > > add extra cost to ALL thread-specific variables accesses.
> >
> > No, only to isolated ones. The compiler can cache gs:0 (and it will do
> > it anyway when -mno-tls-direct-seg-refs is not provided.
>
> This is still more then single variable ...
Well, that's what I call "single variable accesses" :)
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