From 8a36bf5c09e6ca2ea6bab336869cf2e9a4ccb1e4 Mon Sep 17 00:00:00 2001
From: "alexey.lysiuk" <alexey.lysiuk@gmail.com>
Date: Sun, 30 Apr 2017 11:45:57 +0300
Subject: [PATCH] Fixed potential crash in sndfile reader on Intel platform

https://mantis.zdoom.org/view.php?id=640
---
 src/sound/sndfile_decoder.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/sound/sndfile_decoder.cpp b/src/sound/sndfile_decoder.cpp
index a46f0146b..fd89aa2bc 100644
--- a/src/sound/sndfile_decoder.cpp
+++ b/src/sound/sndfile_decoder.cpp
@@ -163,7 +163,10 @@ size_t SndFileDecoder::read(char *buffer, size_t bytes)
     while(total < frames)
     {
         size_t todo = MIN<size_t>(frames-total, 64/SndInfo.channels);
-        float tmp[64];
+
+		// libsndfile uses SSE optimization on Intel platform
+		// This requires proper read buffer alignment
+        alignas(16) float tmp[64];
 
         size_t got = (size_t)sf_readf_float(SndFile, tmp, todo);
         if(got < todo) frames = total + got;