On Mon, Feb 17, 2014 at 11:55 AM, Torvald Riegel <triegel@xxxxxxxxxx> wrote:
>
> Which example do you have in mind here? Haven't we resolved all the
> debated examples, or did I miss any?
Well, Paul seems to still think that the standard possibly allows
speculative writes or possibly value speculation in ways that break
the hardware-guaranteed orderings.
And personally, I can't read standards paperwork. It is invariably
written in some basically impossible-to-understand lawyeristic mode,
and then it is read by people (compiler writers) that intentionally
try to mis-use the words and do language-lawyering ("that depends on
what the meaning of 'is' is"). The whole "lvalue vs rvalue expression
vs 'what is a volatile access'" thing for C++ was/is a great example
of that.
So quite frankly, as a result I refuse to have anything to do with the
process directly.
Linus
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