x86: Drop some unnecessary YASM ifdefs

Dead code elimination is enough to avoid undefined references in these cases.

libavcodec/x86/dsputilenc_mmx.c

@@ -992,7 +992,6 @@ av_cold void ff_dsputilenc_init_mmx(DSPContext *c, AVCodecContext *avctx,
     int cpu_flags = av_get_cpu_flags();
     const int dct_algo = avctx->dct_algo;
 
-#if HAVE_YASM
     if (EXTERNAL_MMX(cpu_flags)) {
         if (!high_bit_depth)
             c->get_pixels = ff_get_pixels_mmx;
@@ -1004,7 +1003,6 @@ av_cold void ff_dsputilenc_init_mmx(DSPContext *c, AVCodecContext *avctx,
     if (EXTERNAL_SSE2(cpu_flags))
         if (!high_bit_depth)
             c->get_pixels = ff_get_pixels_sse2;
-#endif /* HAVE_YASM */
 
 #if HAVE_INLINE_ASM
     if (INLINE_MMX(cpu_flags)) {

libavcodec/x86/h264chroma_init.c

@@ -69,7 +69,6 @@ CHROMA_MC(avg, 8, 10, avx)
 
 av_cold void ff_h264chroma_init_x86(H264ChromaContext *c, int bit_depth)
 {
-#if HAVE_YASM
     int high_bit_depth = bit_depth > 8;
     int cpu_flags      = av_get_cpu_flags();
 
@@ -115,5 +114,4 @@ av_cold void ff_h264chroma_init_x86(H264ChromaContext *c, int bit_depth)
         c->put_h264_chroma_pixels_tab[0] = ff_put_h264_chroma_mc8_10_avx;
         c->avg_h264_chroma_pixels_tab[0] = ff_avg_h264_chroma_mc8_10_avx;
     }
-#endif
 }

libavcodec/x86/vorbisdsp_init.c

@@ -31,7 +31,6 @@ void ff_vorbis_inverse_coupling_sse(float *mag, float *ang,
 
 av_cold void ff_vorbisdsp_init_x86(VorbisDSPContext *dsp)
 {
-#if HAVE_YASM
     int cpu_flags = av_get_cpu_flags();
 
 #if ARCH_X86_32
@@ -40,5 +39,4 @@ av_cold void ff_vorbisdsp_init_x86(VorbisDSPContext *dsp)
 #endif /* ARCH_X86_32 */
     if (EXTERNAL_SSE(cpu_flags))
         dsp->vorbis_inverse_coupling = ff_vorbis_inverse_coupling_sse;
-#endif /* HAVE_YASM */
 }

libavfilter/x86/vf_yadif_init.c

@@ -38,7 +38,6 @@ void ff_yadif_filter_line_ssse3(void *dst, void *prev, void *cur,
 
 av_cold void ff_yadif_init_x86(YADIFContext *yadif)
 {
-#if HAVE_YASM
     int cpu_flags = av_get_cpu_flags();
 
 #if ARCH_X86_32
@@ -49,5 +48,4 @@ av_cold void ff_yadif_init_x86(YADIFContext *yadif)
         yadif->filter_line = ff_yadif_filter_line_sse2;
     if (EXTERNAL_SSSE3(cpu_flags))
         yadif->filter_line = ff_yadif_filter_line_ssse3;
-#endif /* HAVE_YASM */
 }

libavresample/x86/audio_mix_init.c

@@ -173,7 +173,6 @@ DEFINE_MIX_3_8_TO_1_2(8)
 
 av_cold void ff_audio_mix_init_x86(AudioMix *am)
 {
-#if HAVE_YASM
     int cpu_flags = av_get_cpu_flags();
 
     if (EXTERNAL_SSE(cpu_flags)) {
@@ -211,5 +210,4 @@ av_cold void ff_audio_mix_init_x86(AudioMix *am)
     SET_MIX_3_8_TO_1_2(6)
     SET_MIX_3_8_TO_1_2(7)
     SET_MIX_3_8_TO_1_2(8)
-#endif /* HAVE_YASM */
 }