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Re: forcing the compiler to reload from memory with c++0x

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From	Anthony Williams <anthony.ajw@gmail.com>
Newsgroups	comp.programming.threads
Subject	Re: forcing the compiler to reload from memory with c++0x
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Date	Fri, 04 Feb 2011 17:52:39 +0000
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Alexander Terekhov <terekhov@web.de> writes:

> Anthony Williams wrote:
> [...]
>> I'm saying if you want to force the compiler to emit a specific
>> sequence of operations (at the assembly level) then you need to use
>> volatile.
>
> The C/C++ does not guarantee the existence of assembly level to begin
> with. "Assembly level" can be the same text as coded in C/C++ top level
> (front end) and implementation can simply interpret/execute it.

Yes, technically, you're right. In practice, what I said holds
(e.g. with gcc, as I posted before).

Anthony
-- 
Author of C++ Concurrency in Action     http://www.stdthread.co.uk/book/
just::thread C++0x thread library             http://www.stdthread.co.uk
Just Software Solutions Ltd       http://www.justsoftwaresolutions.co.uk
15 Carrallack Mews, St Just, Cornwall, TR19 7UL, UK. Company No. 5478976

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Thread

Re: forcing the compiler to reload from memory with c++0x Andy Venikov <swojchelowek@gmail.com> - 2011-01-31 14:56 -0500
  Re: forcing the compiler to reload from memory with c++0x Anthony Williams <anthony.ajw@gmail.com> - 2011-02-07 22:13 +0000
    Re: forcing the compiler to reload from memory with c++0x Andy Venikov <swojchelowek@gmail.com> - 2011-02-07 17:54 -0500
  Re: forcing the compiler to reload from memory with c++0x Alexander Terekhov <terekhov@web.de> - 2011-02-04 16:39 +0100
    Re: forcing the compiler to reload from memory with c++0x Anthony Williams <anthony.ajw@gmail.com> - 2011-02-04 17:52 +0000
  Re: forcing the compiler to reload from memory with c++0x Anthony Williams <anthony.ajw@gmail.com> - 2011-02-04 08:56 +0000
    Re: forcing the compiler to reload from memory with c++0x Andy Venikov <swojchelowek@gmail.com> - 2011-02-06 23:23 -0500
  Re: forcing the compiler to reload from memory with c++0x Andy Venikov <swojchelowek@gmail.com> - 2011-02-03 17:43 -0500
    Re: forcing the compiler to reload from memory with c++0x Anthony Williams <anthony.ajw@gmail.com> - 2011-02-04 09:04 +0000
    Re: forcing the compiler to reload from memory with c++0x Joshua Maurice <joshuamaurice@gmail.com> - 2011-02-03 15:54 -0800
    Re: forcing the compiler to reload from memory with c++0x Andy Venikov <swojchelowek@gmail.com> - 2011-02-03 17:58 -0500
  Re: forcing the compiler to reload from memory with c++0x Anthony Williams <anthony.ajw@gmail.com> - 2011-02-01 08:24 +0000
    Re: forcing the compiler to reload from memory with c++0x Anthony Williams <anthony.ajw@gmail.com> - 2011-02-04 08:47 +0000
    Re: forcing the compiler to reload from memory with c++0x Andy Venikov <swojchelowek@gmail.com> - 2011-02-03 13:52 -0500

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