[x264-devel] aarch64: fix x264_mbtree_propagate_cost_neon

[Janne Grunau]

x264 | branch: master | Janne Grunau <janne-x264 at jannau.net> | Thu Sep  3 00:21:58 2015 +0200| [63555e696a997ff795798d3357d770f8ab373cd9] | committer: Henrik Gramner

aarch64: fix x264_mbtree_propagate_cost_neon

The branch conditon caused the loop to execute one time more than
intended. Detected by a memory corruption on arm with the 1 to 1 port of
the function.

> http://git.videolan.org/gitweb.cgi/x264.git/?a=commit;h=63555e696a997ff795798d3357d770f8ab373cd9
---

 common/aarch64/mc-a.S |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/common/aarch64/mc-a.S b/common/aarch64/mc-a.S
index b6b588e..67a1a7e 100644
--- a/common/aarch64/mc-a.S
+++ b/common/aarch64/mc-a.S
@@ -1556,7 +1556,7 @@ function x264_mbtree_propagate_cost_neon, export=1
     sqxtn       v0.4h,  v20.4s
     sqxtn2      v0.8h,  v21.4s
     st1         {v0.8h},  [x0], #16
-    b.ge        8b
+    b.gt        8b
     ret
 endfunc