x86/lossless_videodsp: rename ff_add_left_pred_int16_sse4 to ff_add_left_pred_int16_unaligned_ssse3

SSSE3_FAST is the proper check for it.
Signed-off-by: James Almer <jamrial@gmail.com>

libavcodec/x86/lossless_videodsp.asm

@@ -307,8 +307,8 @@ cglobal add_left_pred_int16, 4,4,8, dst, src, mask, w, left
     SPLATW  m7 ,m7
     ADD_HFYU_LEFT_LOOP_INT16 a, a
 
-INIT_XMM sse4
-cglobal add_left_pred_int16, 4,4,8, dst, src, mask, w, left
+INIT_XMM ssse3
+cglobal add_left_pred_int16_unaligned, 4,4,8, dst, src, mask, w, left
     mova    m5, [pb_ef]
     mova    m4, [pb_zzzzzzzz67676767]
     mova    m3, [pb_zzzz2323zzzzabab]

libavcodec/x86/lossless_videodsp_init.c

@@ -42,7 +42,7 @@ int  ff_add_left_pred_unaligned_avx2(uint8_t *dst, const uint8_t *src,
                                      ptrdiff_t w, int left);
 
 int ff_add_left_pred_int16_ssse3(uint16_t *dst, const uint16_t *src, unsigned mask, ptrdiff_t w, unsigned acc);
-int ff_add_left_pred_int16_sse4(uint16_t *dst, const uint16_t *src, unsigned mask, ptrdiff_t w, unsigned acc);
+int ff_add_left_pred_int16_unaligned_ssse3(uint16_t *dst, const uint16_t *src, unsigned mask, ptrdiff_t w, unsigned acc);
 
 void ff_add_gradient_pred_ssse3(uint8_t *src, const ptrdiff_t stride, const ptrdiff_t width);
 void ff_add_gradient_pred_avx2(uint8_t *src, const ptrdiff_t stride, const ptrdiff_t width);
@@ -117,11 +117,9 @@ void ff_llviddsp_init_x86(LLVidDSPContext *c)
 
     if (EXTERNAL_SSSE3_FAST(cpu_flags)) {
         c->add_left_pred = ff_add_left_pred_unaligned_ssse3;
+        c->add_left_pred_int16 = ff_add_left_pred_int16_unaligned_ssse3;
     }
 
-    if (EXTERNAL_SSE4(cpu_flags)) {
-        c->add_left_pred_int16 = ff_add_left_pred_int16_sse4;
-    }
     if (EXTERNAL_AVX2_FAST(cpu_flags)) {
         c->add_bytes       = ff_add_bytes_avx2;
         c->add_left_pred   = ff_add_left_pred_unaligned_avx2;