From 63f6082633e0ffbfe2ea8327197ecc63101f7d7d Mon Sep 17 00:00:00 2001
From: Zdenek Kabelac <kabi@informatics.muni.cz>
Date: Fri, 7 Mar 2003 13:49:10 +0000
Subject: [PATCH] * support FF_MM_FORCE

Originally committed as revision 1643 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavcodec/i386/dsputil_mmx.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/libavcodec/i386/dsputil_mmx.c b/libavcodec/i386/dsputil_mmx.c
index 906a5effa1..b937ef5565 100644
--- a/libavcodec/i386/dsputil_mmx.c
+++ b/libavcodec/i386/dsputil_mmx.c
@@ -1440,6 +1440,12 @@ static void ff_libmpeg2mmx2_idct_add(uint8_t *dest, int line_size, DCTELEM *bloc
 void dsputil_init_mmx(DSPContext* c, AVCodecContext *avctx)
 {
     mm_flags = mm_support();
+
+    if (avctx->dsp_mask && FF_MM_FORCE)
+	mm_flags |= (avctx->dsp_mask & 0xffff);
+    else
+        mm_flags &= (avctx->dsp_mask & 0xffff);
+
 #if 0
     fprintf(stderr, "libavcodec: CPU flags:");
     if (mm_flags & MM_MMX)