From: Fiona Glaser <fiona@x264.com>
Date: Mon, 9 Nov 2009 17:18:03 +0000 (-0800)
Subject: Fix pixel_ssd on win64
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=4ed2a8e3d46a1a90df41ed0a195a3926f36d6c15;p=libx264

Fix pixel_ssd on win64
Didn't preserve XMM registers, may or may not have caused problems.
---

diff --git a/common/x86/pixel-a.asm b/common/x86/pixel-a.asm
index a650b84e..0f6ed6c1 100644
--- a/common/x86/pixel-a.asm
+++ b/common/x86/pixel-a.asm
@@ -231,6 +231,9 @@ cglobal x264_pixel_ssd_%1x%2_%3, 0,0,0
 .startloop:
 %ifdef ARCH_X86_64
     DECLARE_REG_TMP 0,1,2,3
+%ifnidn %3, mmx
+    PROLOGUE 0,0,8
+%endif
 %else
     PROLOGUE 0,5
     DECLARE_REG_TMP 1,2,3,4