Without this the FPU state becomes trashed and causes mysterious
fate failures with cpuflags=0

Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
---
 libavcodec/x86/cavsdsp.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/libavcodec/x86/cavsdsp.c b/libavcodec/x86/cavsdsp.c
index 4b20e655a7..d5c63c5128 100644
--- a/libavcodec/x86/cavsdsp.c
+++ b/libavcodec/x86/cavsdsp.c
@@ -565,7 +565,9 @@ av_cold void ff_cavsdsp_init_x86(CAVSDSPContext *c, 
AVCodecContext *avctx)
 {
     av_unused int cpu_flags = av_get_cpu_flags();
 
-    cavsdsp_init_mmx(c, avctx);
+    if (INLINE_MMXEXT(cpu_flags))
+        cavsdsp_init_mmx(c, avctx);
+
 #if HAVE_AMD3DNOW_INLINE
     if (INLINE_AMD3DNOW(cpu_flags))
         cavsdsp_init_3dnow(c, avctx);
-- 
2.11.0

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