Re: [RFC PATCH 03/15] Provide atomic_t functions implemented with ISO-C++11 atomics

From: David Woodhouse
Date: Thu May 19 2016 - 03:37:00 EST


On Wed, 2016-05-18 at 19:32 +0200, Peter Zijlstra wrote:
>
> Does this generate 'sane' code for LL/SC archs? That is, a single LL/SC
> loop and not a loop around an LL/SC cmpxchg.

The whole point of using compiler intrinsics and letting the compiler
actually see what's going on... is that it bloody well should :)

--
dwmw2

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