[PATCH] Small correction to unordered memory code generation of ARM LDRD

[Eli Friedman]

On Tue, Jun 18, 2013 at 10:46 AM, JF Bastien <jfb at google.com> wrote:

> I assume that this was written before ARM got LPAE, and isn't true
> anymore. My correction is a bit of a mouthful, but is technically
> correct.
>

Not sure if it was before ARM got LPAE, but it was definitely before I knew
LPAE has an effect here, i.e. before today. :)

diff --git a/docs/Atomics.rst b/docs/Atomics.rst
> index 705d73f..1243f34 100644
> --- a/docs/Atomics.rst
> +++ b/docs/Atomics.rst
> @@ -211,7 +211,7 @@ Notes for code generation
>    never stored.  A normal load or store instruction is usually
> sufficient, but
>    note that an unordered load or store cannot be split into multiple
>    instructions (or an instruction which does multiple memory operations,
> like
> -  ``LDRD`` on ARM).
> +  ``LDRD`` on ARM without LPAE, or not naturally-aligned ``LDRD`` on LPAE
> ARM).
>
>
 Looks fine.

-Eli
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