audio: SDL_ConvertStereoToMono_SSE3 missed an unaligned load.

libsdl-org · Apr 9, 2022 · 727eef7 · 727eef7
1 parent 505d6a4
commit 727eef7
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/audio/SDL_audiocvt.c b/src/audio/SDL_audiocvt.c
@@ -80,7 +80,7 @@ SDL_ConvertStereoToMono_SSE3(SDL_AudioCVT * cvt, SDL_AudioFormat format)
        Just use unaligned load/stores, if the memory at runtime is
        aligned it'll be just as fast on modern processors */
     while (i >= 4) {   /* 4 * float32 */
-        _mm_storeu_ps(dst, _mm_mul_ps(_mm_hadd_ps(_mm_load_ps(src), _mm_loadu_ps(src+4)), divby2));
+        _mm_storeu_ps(dst, _mm_mul_ps(_mm_hadd_ps(_mm_loadu_ps(src), _mm_loadu_ps(src+4)), divby2));
         i -= 4; src += 8; dst += 4;
     }