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Re: C++0x Memory model and gcc

From: Mark Mitchell <mark at codesourcery dot com>
To: Ian Lance Taylor <iant at google dot com>
Cc: Andrew MacLeod <amacleod at redhat dot com>, GCC <gcc at gcc dot gnu dot org>
Date: 2010年5月07日 06:55:10 -0700
Subject: Re: C++0x Memory model and gcc
References: <4BE2E39A.5060706@redhat.com> <mcrtyqkwyqo.fsf@dhcp-172-17-9-151.mtv.corp.google.com>

Ian Lance Taylor wrote:
> -fmemory-model=single
> Assume single threaded execution, which also means no signal
> handlers.
> -fmemory-model=fast
> The user is responsible for all synchronization. Accessing
> the same memory words from different threads may break
> unpredictably.
> -fmemory-model=safe
> The compiler will do its best to protect you.
That makes sense to me. I think that's an appropriately user-oriented
view of the choices.
-- 
Mark Mitchell
CodeSourcery
mark@codesourcery.com
(650) 331-3385 x713

References:
- C++0x Memory model and gcc
  - From: Andrew MacLeod
- Re: C++0x Memory model and gcc
  - From: Ian Lance Taylor

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