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Diffstat (limited to 'libswresample/x86/audio_convert.asm')
-rw-r--r--libswresample/x86/audio_convert.asm24
1 files changed, 13 insertions, 11 deletions
diff --git a/libswresample/x86/audio_convert.asm b/libswresample/x86/audio_convert.asm
index 118b5e3716..59de2d48fa 100644
--- a/libswresample/x86/audio_convert.asm
+++ b/libswresample/x86/audio_convert.asm
@@ -35,18 +35,20 @@ cglobal int16_to_int32_%1, 3, 3, 3, dst, src, len
%else
int16_to_int32_u_int %+ SUFFIX
%endif
+ add dstq, lenq
+ shr lenq, 1
+ add srcq, lenq
+ neg lenq
.next
- mov%1 m4, [srcq]
- pxor m0, m0
- pxor m1, m1
- punpcklwd m0, m4
- punpckhwd m1, m4
- mov%1 [ dstq], m0
- mov%1 [mmsize + dstq], m1
- add srcq, mmsize
- add dstq, 2*mmsize
- sub lenq, 2*mmsize
- jg .next
+ mov%1 m2, [srcq+lenq]
+ pxor m0, m0
+ pxor m1, m1
+ punpcklwd m0, m2
+ punpckhwd m1, m2
+ mov%1 [ dstq+2*lenq], m0
+ mov%1 [mmsize + dstq+2*lenq], m1
+ add lenq, mmsize
+ jl .next
%if mmsize == 8
emms
%endif