avfilter/x86/vf_yadif: Remove obsolete MMXEXT functions

The only system which benefit from these are truely ancient
32bit x86s as all other systems use at least the SSE2 versions
(this includes all x64 cpus (which is why this code is restricted
to x86-32)).
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>

libavfilter/x86/vf_yadif.asm

@@ -133,12 +133,8 @@ SECTION .text
     psubusb      m2, m3
     psubusb      m3, m4
     pmaxub       m2, m3
-%if mmsize == 16
     mova         m3, m2
     psrldq       m3, 2
-%else
-    pshufw       m3, m2, q0021
-%endif
     punpcklbw    m2, m7
     punpcklbw    m3, m7
     paddw        m0, m2
@@ -237,7 +233,3 @@ INIT_XMM ssse3
 YADIF
 INIT_XMM sse2
 YADIF
-%if ARCH_X86_32
-INIT_MMX mmxext
-YADIF
-%endif

libavfilter/x86/vf_yadif_init.c

@@ -23,9 +23,6 @@
 #include "libavutil/x86/cpu.h"
 #include "libavfilter/yadif.h"
 
-void ff_yadif_filter_line_mmxext(void *dst, void *prev, void *cur,
-                                 void *next, int w, int prefs,
-                                 int mrefs, int parity, int mode);
 void ff_yadif_filter_line_sse2(void *dst, void *prev, void *cur,
                                void *next, int w, int prefs,
                                int mrefs, int parity, int mode);
@@ -33,9 +30,6 @@ void ff_yadif_filter_line_ssse3(void *dst, void *prev, void *cur,
                                 void *next, int w, int prefs,
                                 int mrefs, int parity, int mode);
 
-void ff_yadif_filter_line_16bit_mmxext(void *dst, void *prev, void *cur,
-                                       void *next, int w, int prefs,
-                                       int mrefs, int parity, int mode);
 void ff_yadif_filter_line_16bit_sse2(void *dst, void *prev, void *cur,
                                      void *next, int w, int prefs,
                                      int mrefs, int parity, int mode);
@@ -46,9 +40,6 @@ void ff_yadif_filter_line_16bit_sse4(void *dst, void *prev, void *cur,
                                      void *next, int w, int prefs,
                                      int mrefs, int parity, int mode);
 
-void ff_yadif_filter_line_10bit_mmxext(void *dst, void *prev, void *cur,
-                                       void *next, int w, int prefs,
-                                       int mrefs, int parity, int mode);
 void ff_yadif_filter_line_10bit_sse2(void *dst, void *prev, void *cur,
                                      void *next, int w, int prefs,
                                      int mrefs, int parity, int mode);
@@ -63,10 +54,6 @@ av_cold void ff_yadif_init_x86(YADIFContext *yadif)
                                   : yadif->csp->comp[0].depth;
 
     if (bit_depth >= 15) {
-#if ARCH_X86_32
-        if (EXTERNAL_MMXEXT(cpu_flags))
-            yadif->filter_line = ff_yadif_filter_line_16bit_mmxext;
-#endif /* ARCH_X86_32 */
         if (EXTERNAL_SSE2(cpu_flags))
             yadif->filter_line = ff_yadif_filter_line_16bit_sse2;
         if (EXTERNAL_SSSE3(cpu_flags))
@@ -74,19 +61,11 @@ av_cold void ff_yadif_init_x86(YADIFContext *yadif)
         if (EXTERNAL_SSE4(cpu_flags))
             yadif->filter_line = ff_yadif_filter_line_16bit_sse4;
     } else if ( bit_depth >= 9 && bit_depth <= 14) {
-#if ARCH_X86_32
-        if (EXTERNAL_MMXEXT(cpu_flags))
-            yadif->filter_line = ff_yadif_filter_line_10bit_mmxext;
-#endif /* ARCH_X86_32 */
         if (EXTERNAL_SSE2(cpu_flags))
             yadif->filter_line = ff_yadif_filter_line_10bit_sse2;
         if (EXTERNAL_SSSE3(cpu_flags))
             yadif->filter_line = ff_yadif_filter_line_10bit_ssse3;
     } else {
-#if ARCH_X86_32
-        if (EXTERNAL_MMXEXT(cpu_flags))
-            yadif->filter_line = ff_yadif_filter_line_mmxext;
-#endif /* ARCH_X86_32 */
         if (EXTERNAL_SSE2(cpu_flags))
             yadif->filter_line = ff_yadif_filter_line_sse2;
         if (EXTERNAL_SSSE3(cpu_flags))

libavfilter/x86/yadif-10.asm

@@ -249,7 +249,3 @@ INIT_XMM ssse3
 YADIF
 INIT_XMM sse2
 YADIF
-%if ARCH_X86_32
-INIT_MMX mmxext
-YADIF
-%endif

libavfilter/x86/yadif-16.asm

@@ -287,7 +287,3 @@ INIT_XMM ssse3
 YADIF
 INIT_XMM sse2
 YADIF
-%if ARCH_X86_32
-INIT_MMX mmxext
-YADIF
-%endif