ARM: NEON: fix overflow in h264 16x16 planar pred
authorMans Rullgard <mans@mansr.com>
Sun, 23 Jan 2011 20:41:59 +0000 (20:41 +0000)
committerMans Rullgard <mans@mansr.com>
Mon, 24 Jan 2011 14:59:46 +0000 (14:59 +0000)
Signed-off-by: Mans Rullgard <mans@mansr.com>
libavcodec/arm/h264pred_neon.S

index e2c69e1..63c96ee 100644 (file)
@@ -131,8 +131,8 @@ function ff_pred16x16_plane_neon, export=1
         vadd.i16        d5,  d6,  d7
         vpadd.i16       d4,  d4,  d5
         vpadd.i16       d4,  d4,  d4
-        vshl.i16        d5,  d4,  #2
-        vaddl.s16       q2,  d4,  d5
+        vshll.s16       q3,  d4,  #2
+        vaddw.s16       q2,  q3,  d4
         vrshrn.s32      d4,  q2,  #6
         mov             r3,  #0
         vtrn.16         d4,  d5