Darryl Gove <Darryl.Gove at sun.com> wrote:

> Hi,
>
> Thanks for pointing this out and providing a nice test case.
>
> The difference seems to be that gcc converts
>
> a >> b | a << (64-b)
>
> to a ror instruction, whereas Sun Studio leaves it as a bunch of shifts 
> and ors.

Thank you, this sounds promising!

J?rg

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