[Beignet] [PATCH] GBE: allow the bool registers to be expired.

[Zhigang Gong]

After the previous's extra liveness analysis, we can allow bool
registers to be expired now.

Signed-off-by: Zhigang Gong <zhigang.gong at intel.com>
---
 backend/src/backend/gen_reg_allocation.cpp |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/backend/src/backend/gen_reg_allocation.cpp b/backend/src/backend/gen_reg_allocation.cpp
index 4e33240..fedd730 100644
--- a/backend/src/backend/gen_reg_allocation.cpp
+++ b/backend/src/backend/gen_reg_allocation.cpp
@@ -294,8 +294,7 @@ namespace gbe
         continue;
       }
       // Ignore booleans that were allocated with flags
-      // if (ctx.getRegisterFamily(reg) == ir::FAMILY_BOOL && !grfBooleans.contains(reg)) {
-      if (ctx.sel->getRegisterFamily(reg) == ir::FAMILY_BOOL) {
+      if (ctx.sel->getRegisterFamily(reg) == ir::FAMILY_BOOL && !grfBooleans.contains(reg)) {
         this->expiringID++;
         continue;
       }
-- 
1.7.9.5