x86: Initialize mmxext after amd3dnow optimizations

The mmxext optimizations should be at least equally fast if available and
amd3dnow optimizations are being deprecated. Thus the former should
override the latter, not the other way around.

libavcodec/x86/cavsdsp.c

@@ -547,12 +547,12 @@ av_cold void ff_cavsdsp_init_x86(CAVSDSPContext *c, AVCodecContext *avctx)
     if (INLINE_MMX(cpu_flags))
         cavsdsp_init_mmx(c, avctx);
 #endif /* HAVE_MMX_INLINE */
-#if HAVE_MMXEXT_INLINE
-    if (INLINE_MMXEXT(cpu_flags))
-        cavsdsp_init_mmxext(c, avctx);
-#endif /* HAVE_MMXEXT_INLINE */
 #if HAVE_AMD3DNOW_INLINE
     if (INLINE_AMD3DNOW(cpu_flags))
         cavsdsp_init_3dnow(c, avctx);
 #endif /* HAVE_AMD3DNOW_INLINE */
+#if HAVE_MMXEXT_INLINE
+    if (INLINE_MMXEXT(cpu_flags))
+        cavsdsp_init_mmxext(c, avctx);
+#endif /* HAVE_MMXEXT_INLINE */
 }

libavcodec/x86/dsputilenc_mmx.c

@@ -991,6 +991,13 @@ av_cold void ff_dsputilenc_init_mmx(DSPContext *c, AVCodecContext *avctx)
         c->ssd_int8_vs_int16 = ssd_int8_vs_int16_mmx;
     }
 
+    if (INLINE_AMD3DNOW(cpu_flags)) {
+        if (!(avctx->flags & CODEC_FLAG_BITEXACT)) {
+            c->try_8x8basis = try_8x8basis_3dnow;
+        }
+        c->add_8x8basis = add_8x8basis_3dnow;
+    }
+
     if (INLINE_MMXEXT(cpu_flags)) {
         if (avctx->bits_per_raw_sample <= 8 &&
             (dct_algo == FF_DCT_AUTO || dct_algo == FF_DCT_MMX))
@@ -1023,13 +1030,6 @@ av_cold void ff_dsputilenc_init_mmx(DSPContext *c, AVCodecContext *avctx)
         c->sum_abs_dctelem = sum_abs_dctelem_ssse3;
     }
 #endif
-
-    if (INLINE_AMD3DNOW(cpu_flags)) {
-        if (!(avctx->flags & CODEC_FLAG_BITEXACT)) {
-            c->try_8x8basis = try_8x8basis_3dnow;
-        }
-        c->add_8x8basis = add_8x8basis_3dnow;
-    }
 #endif /* HAVE_INLINE_ASM */
 
     if (EXTERNAL_MMX(cpu_flags)) {

libavcodec/x86/hpeldsp_init.c

@@ -258,12 +258,12 @@ void ff_hpeldsp_init_x86(HpelDSPContext *c, int flags)
     if (INLINE_MMX(cpu_flags))
         hpeldsp_init_mmx(c, flags, cpu_flags);
 
-    if (EXTERNAL_MMXEXT(cpu_flags))
-        hpeldsp_init_mmxext(c, flags, cpu_flags);
-
     if (EXTERNAL_AMD3DNOW(cpu_flags))
         hpeldsp_init_3dnow(c, flags, cpu_flags);
 
+    if (EXTERNAL_MMXEXT(cpu_flags))
+        hpeldsp_init_mmxext(c, flags, cpu_flags);
+
     if (EXTERNAL_SSE2(cpu_flags))
         hpeldsp_init_sse2(c, flags, cpu_flags);
 }