X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavutil%2Finternal.h;h=57a9c96070e8a7e2efb8030d92d3adfccbc07b4d;hb=b7e9eea31f3e60dc506cf52bb78f0d9f679cb3bd;hp=5d37da7b45a5c19805a1778baef2e3f285f0258b;hpb=c7b9eab2be7099b0d4f2fed4feaf69a7dda379f0;p=ffmpeg

diff --git a/libavutil/internal.h b/libavutil/internal.h
index 5d37da7b45a..57a9c96070e 100644
--- a/libavutil/internal.h
+++ b/libavutil/internal.h
@@ -111,7 +111,7 @@ struct AVDictionary {
 
 /* math */
 
-#if ARCH_X86
+#if ARCH_X86 && HAVE_INLINE_ASM
 #define MASK_ABS(mask, level)\
             __asm__ volatile(\
                 "cltd                   \n\t"\
@@ -231,7 +231,7 @@ struct AVDictionary {
 #   define ONLY_IF_THREADS_ENABLED(x) NULL
 #endif
 
-#if HAVE_MMX
+#if HAVE_MMX && HAVE_INLINE_ASM
 /**
  * Empty mmx state.
  * this must be called between any dsp function and float/double code.
@@ -242,8 +242,11 @@ static av_always_inline void emms_c(void)
     if(av_get_cpu_flags() & AV_CPU_FLAG_MMX)
         __asm__ volatile ("emms" ::: "memory");
 }
+#elif HAVE_MMX && HAVE_MM_EMPTY
+#   include <mmintrin.h>
+#   define emms_c _mm_empty
 #else /* HAVE_MMX */
-#define emms_c()
+#   define emms_c()
 #endif /* HAVE_MMX */
 
 #endif /* AVUTIL_INTERNAL_H */