Re: [boost] Re: boost.threads

From: David Abrahams (david.abrahams_at_[hidden])
Date: 2001-08-10 08:50:02

----- Original Message -----
From: <k.hagan_at_[hidden]>
To: <boost_at_[hidden]>
Sent: Friday, August 10, 2001 4:54 AM
Subject: [boost] Re: boost.threads

> "Greg Colvin" <greg_at_[hidden]> wrote...
> >
> > It seems a compiler for a "fast local stack" machine can simply
> > note which local variables have their address used and not keep
> > them on the fast stack.  Doesn't seem all that different from
> > using registers for locals on a machine with register windows.
>
> The big difference is that registers are likely to be restricted
> to the built-in types, and those are the types for which the
> compiler can see "taking their address" most easily.

We should be careful about making this generalization. The increasing
importance of abstraction and inlining in C++ means that compilers are
getting smarter. More and more of them are able to keep objects or parts of
objects in registers.

-Dave