[Beignet] [PATCH] Backend: Add gen9 barrier prediction setting

[Yang, Rong R]

LGTM, thanks, pushed.

> -----Original Message-----
> From: Beignet [mailto:beignet-bounces at lists.freedesktop.org] On Behalf Of
> Pan Xiuli
> Sent: Wednesday, November 25, 2015 9:56
> To: beignet at lists.freedesktop.org
> Cc: Pan, Xiuli
> Subject: [Beignet] [PATCH] Backend: Add gen9 barrier prediction setting
> 
> Gen9 have a different context to emit BarrierInst that contains wait
> instruction, and wait instruction need to be no predication.
> 
> Signed-off-by: Pan Xiuli <xiuli.pan at intel.com>
> ---
>  backend/src/backend/gen9_context.cpp | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/backend/src/backend/gen9_context.cpp
> b/backend/src/backend/gen9_context.cpp
> index 326f5a1..c35293a 100644
> --- a/backend/src/backend/gen9_context.cpp
> +++ b/backend/src/backend/gen9_context.cpp
> @@ -51,6 +51,7 @@ namespace gbe
>        p->BARRIER(src);
>        p->curr.execWidth = 1;
>        // Now we wait for the other threads
> +      p->curr.predicate = GEN_PREDICATE_NONE;
>        p->WAIT();
>      p->pop();
>    }
> --
> 2.1.4
> 
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