ryujinx/SDL
1
0
Fork 0
mirror of https://github.com/Ryujinx/SDL.git synced 2025-11-04 12:55:06 +00:00
Code Issues Packages Projects Releases Wiki Activity

audio: SDL_ConvertStereoToMono_SSE3 missed an unaligned load.

Browse source
This commit is contained in:
Ryan C. Gordon 2022-04-09 10:12:49 -04:00
parent 505d6a4a05
commit 727eef7064
No known key found for this signature in database
GPG key ID: FA148B892AB48044
1 changed files with 1 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
src/audio/SDL_audiocvt.c
View file

@ -80,7 +80,7 @@ SDL_ConvertStereoToMono_SSE3(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Just use unaligned load/stores, if the memory at runtime is Just use unaligned load/stores, if the memory at runtime is
aligned it'll be just as fast on modern processors */ aligned it'll be just as fast on modern processors */
while (i >= 4) { /* 4 * float32 */ 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; i -= 4; src += 8; dst += 4;
} }