[Beignet] [PATCH] GBE: fixed a long related bug.

Yang, Rong R rong.r.yang at intel.com
Sun Jan 12 18:57:23 PST 2014


LGTM, thanks.

-----Original Message-----
From: beignet-bounces at lists.freedesktop.org [mailto:beignet-bounces at lists.freedesktop.org] On Behalf Of Zhigang Gong
Sent: Friday, January 10, 2014 5:58 PM
To: beignet at lists.freedesktop.org
Cc: Gong, Zhigang
Subject: [Beignet] [PATCH] GBE: fixed a long related bug.

We need to consider the situation that the 64 bit virtual register is crossing two GRFs.

Signed-off-by: Zhigang Gong <zhigang.gong at intel.com>
---
 backend/src/backend/gen_register.hpp |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/backend/src/backend/gen_register.hpp b/backend/src/backend/gen_register.hpp
index 73d8ffa..57c78d9 100644
--- a/backend/src/backend/gen_register.hpp
+++ b/backend/src/backend/gen_register.hpp
@@ -270,6 +270,8 @@ namespace gbe
     INLINE GenRegister top_half(void) const {
       GenRegister r = bottom_half();
       r.subnr += 4;
+      r.nr += r.subnr / 32;
+      r.subnr %= 32;
       return r;
     }
 
--
1.7.9.5

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