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@intel.com>
Reviewed-by: Yang Rong <rong.r.yang@intel.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/backend/src/backend/gen9_context.cpp b/backend/src/backend/gen9_context.cpp
index 326f5a12..c35293a9 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();
   }