[PATCH 1/2] Document HLE / RTM intrinsics
Sun Jan 27 21:22:00 GMT 2013
On Sun, Jan 27, 2013 at 07:15:42PM +0100, Florian Weimer wrote:
> On 01/12/2013 04:28 PM, Andi Kleen wrote:
> >The TSX HLE/RTM intrinsics were missing documentation. Add this to the
> Are these intrinsics restricted to free-standing implementations? Or
> are these instructions designed in such a way that they work as expected
> even if the threading library uses them internally? (That would be
> quite a feat.)
They can be combined with a threading library, with some restrictions.
See the manual for details. All transactions are flattened.
"restrictions" may lead to not eliding or abort, but never to
Documenting all that is out of scope for the gcc manual though.
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