From: Jim Bankoski <jimbankoski@google.com>
Date: Fri, 15 Nov 2013 16:00:43 +0000 (-0800)
Subject: partition plane context speed up
X-Git-Tag: v1.3.0~13
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=e1b6c42eed8d9526d62539afcb607925a91a2a1c;p=libvpx

partition plane context speed up

Removes silly operations inside loop.

Change-Id: I9eeab1e914e715a887f86cf1089de508e2364165
---

diff --git a/vp9/common/vp9_onyxc_int.h b/vp9/common/vp9_onyxc_int.h
index a2af57acf..2333a61db 100644
--- a/vp9/common/vp9_onyxc_int.h
+++ b/vp9/common/vp9_onyxc_int.h
@@ -337,13 +337,12 @@ static INLINE int partition_plane_context(
   assert(bsl >= 0);
   assert(boffset >= 0);
 
-  for (i = 0; i < bs; i++)
-    above |= (above_ctx[i] & (1 << boffset));
-  for (i = 0; i < bs; i++)
-    left |= (left_ctx[i] & (1 << boffset));
-
-  above = (above > 0);
-  left  = (left > 0);
+  for (i = 0; i < bs; i++) {
+    above |= above_ctx[i];
+    left |= left_ctx[i];
+  }
+  above = (above & (1 << boffset)) > 0;
+  left  = (left & (1 << boffset)) > 0;
 
   return (left * 2 + above) + bsl * PARTITION_PLOFFSET;
 }