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audiodsp/x86: fix ff_vector_clip_int32_sse2 

This version, which is the only one doing two processing cycles per loop
iteration, computes the load/store indices incorrectly for the second
cycle.

CC: libav-stable@libav.org
This commit is contained in:
Anton Khirnov 2016-08-09 14:17:15 +02:00
parent 07e1f99a1b
commit 1d6c76e11f
1 changed files with 18 additions and 18 deletions
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36
libavcodec/x86/audiodsp.asm
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@ -80,17 +80,17 @@ cglobal vector_clip_int32%5, 5,5,%1, dst, src, min, max, len
SPLATD m4
SPLATD m5
.loop:
%assign %%i 1
%assign %%i 0
%rep %2
mova m0, [srcq+mmsize*0*%%i]
mova m1, [srcq+mmsize*1*%%i]
mova m2, [srcq+mmsize*2*%%i]
mova m3, [srcq+mmsize*3*%%i]
mova m0, [srcq + mmsize * (0 + %%i)]
mova m1, [srcq + mmsize * (1 + %%i)]
mova m2, [srcq + mmsize * (2 + %%i)]
mova m3, [srcq + mmsize * (3 + %%i)]
%if %3
mova m7, [srcq+mmsize*4*%%i]
mova m8, [srcq+mmsize*5*%%i]
mova m9, [srcq+mmsize*6*%%i]
mova m10, [srcq+mmsize*7*%%i]
mova m7, [srcq + mmsize * (4 + %%i)]
mova m8, [srcq + mmsize * (5 + %%i)]
mova m9, [srcq + mmsize * (6 + %%i)]
mova m10, [srcq + mmsize * (7 + %%i)]
%endif
CLIPD m0, m4, m5, m6
CLIPD m1, m4, m5, m6
@ -102,17 +102,17 @@ cglobal vector_clip_int32%5, 5,5,%1, dst, src, min, max, len
CLIPD m9, m4, m5, m6
CLIPD m10, m4, m5, m6
%endif
mova [dstq+mmsize*0*%%i], m0
mova [dstq+mmsize*1*%%i], m1
mova [dstq+mmsize*2*%%i], m2
mova [dstq+mmsize*3*%%i], m3
mova [dstq + mmsize * (0 + %%i)], m0
mova [dstq + mmsize * (1 + %%i)], m1
mova [dstq + mmsize * (2 + %%i)], m2
mova [dstq + mmsize * (3 + %%i)], m3
%if %3
mova [dstq+mmsize*4*%%i], m7
mova [dstq+mmsize*5*%%i], m8
mova [dstq+mmsize*6*%%i], m9
mova [dstq+mmsize*7*%%i], m10
mova [dstq + mmsize * (4 + %%i)], m7
mova [dstq + mmsize * (5 + %%i)], m8
mova [dstq + mmsize * (6 + %%i)], m9
mova [dstq + mmsize * (7 + %%i)], m10
%endif
%assign %%i %%i+1
%assign %%i (%%i + 4 * (1 + %3))
%endrep
add srcq, mmsize*4*(%2+%3)
add dstq, mmsize*4*(%2+%3)