From: Vitor Sessak <vitor1001@gmail.com>
Date: Fri, 11 May 2012 20:32:08 +0000 (+0200)
Subject: x86: Avoid movs on BUTTERFLYPS when in AVX mode
X-Git-Tag: v9_beta1~1572
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=4a301706fd682d3ad43b4239542e6f586ae29811;p=platform%2Fupstream%2Flibav.git

x86: Avoid movs on BUTTERFLYPS when in AVX mode

Signed-off-by: Janne Grunau <janne-libav@jannau.net>
---

diff --git a/libavutil/x86/x86util.asm b/libavutil/x86/x86util.asm
index 508f24e..066384b 100644
--- a/libavutil/x86/x86util.asm
+++ b/libavutil/x86/x86util.asm
@@ -84,13 +84,12 @@
 %macro TRANSPOSE4x4PS 5
     SBUTTERFLYPS %1, %2, %5
     SBUTTERFLYPS %3, %4, %5
-    movaps  m%5, m%1
-    movlhps m%1, m%3
-    movhlps m%3, m%5
-    movaps  m%5, m%2
-    movlhps m%2, m%4
-    movhlps m%4, m%5
-    SWAP %2, %3
+    movlhps m%5, m%1, m%3
+    movhlps m%3, m%1
+    SWAP %5, %1
+    movlhps m%5, m%2, m%4
+    movhlps m%4, m%2
+    SWAP %5, %2, %3
 %endmacro
 
 %macro TRANSPOSE8x8W 9-11