From: Yunqing Wang <yunqingwang@google.com>
Date: Wed, 14 Jan 2015 23:51:56 +0000 (-0800)
Subject: Align thread data in vp9_ethread
X-Git-Tag: v1.4.0~249^2
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=99b99831e467ad97336103e48f22e9c7956a51ef;p=libvpx

Align thread data in vp9_ethread

On some platforms, such as 32bit Windows and 32bit Mac, the allocated
memory isn't aligned automatically. The thread data is aligned to
ensure the correct access in SIMD code.

Change-Id: I1108c145fe982ddbd3d9324952758297120e4806
---

diff --git a/vp9/encoder/vp9_ethread.c b/vp9/encoder/vp9_ethread.c
index daf3da44c..9ee32366c 100644
--- a/vp9/encoder/vp9_ethread.c
+++ b/vp9/encoder/vp9_ethread.c
@@ -183,7 +183,9 @@ void vp9_encode_tiles_mt(VP9_COMP *cpi) {
 
       // Allocate thread data.
       CHECK_MEM_ERROR(cm, thread_data->td,
-                      vpx_calloc(1, sizeof(*thread_data->td)));
+                      vpx_memalign(32, sizeof(*thread_data->td)));
+      vp9_zero(*thread_data->td);
+
       // Set up pc_tree.
       thread_data->td->leaf_tree = NULL;
       thread_data->td->pc_tree = NULL;