Boost logo

Boost :

Subject: Re: [boost] [atomic] unconditional cmpxchg8b support
From: Peter Dimov (lists_at_[hidden])
Date: 2012-10-23 17:22:01


Steven Watanabe wrote:
> Seriously, if the compiler is set to compile for
> an architecture that doesn't support cmpxchg8b,
> then Boost.Atomic should not generate this instruction.

It's very, very rare for a user to willingly target 386/486 (these
processors are all but extinct, not to mention that modern Windows versions
simply don't run on them.)

A GCC target of i386 in practice simply means that a target hasn't been set,
not that the user explicitly wanted to target i386. Nobody wants to target
i386.


Boost list run by bdawes at acm.org, gregod at cs.rpi.edu, cpdaniel at pacbell.net, john at johnmaddock.co.uk