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Stefan Westerfeld
ffmpeg
Commits
12004a9a
Commit
12004a9a
authored
Aug 09, 2016
by
Anton Khirnov
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audiodsp/x86: yasmify vector_clipf_sse
parent
683da86a
Changes
4
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4 changed files
with
44 additions
and
60 deletions
+44
-60
Makefile
libavcodec/x86/Makefile
+0
-1
audiodsp.asm
libavcodec/x86/audiodsp.asm
+43
-0
audiodsp_init.c
libavcodec/x86/audiodsp_init.c
+1
-1
audiodsp_mmx.c
libavcodec/x86/audiodsp_mmx.c
+0
-58
No files found.
libavcodec/x86/Makefile
View file @
12004a9a
...
...
@@ -58,7 +58,6 @@ OBJS-$(CONFIG_VP9_DECODER) += x86/vp9dsp_init.o
# GCC inline assembly optimizations
# subsystems
MMX-OBJS-$(CONFIG_AUDIODSP)
+=
x86/audiodsp_mmx.o
MMX-OBJS-$(CONFIG_FDCTDSP)
+=
x86/fdct.o
MMX-OBJS-$(CONFIG_HPELDSP)
+=
x86/fpel_mmx.o
\
x86/hpeldsp_mmx.o
...
...
libavcodec/x86/audiodsp.asm
View file @
12004a9a
...
...
@@ -135,3 +135,46 @@ VECTOR_CLIP_INT32 11, 1, 1, 0
%else
VECTOR_CLIP_INT32
6
,
1
,
0
,
0
%endif
; void ff_vector_clipf_sse(float *dst, const float *src,
; int len, float min, float max)
INIT_XMM
sse
cglobal
vector_clipf
,
3
,
3
,
6
,
dst
,
src
,
len
,
min
,
max
%if
ARCH_X86_32
VBROADCASTSS
m0
,
minm
VBROADCASTSS
m1
,
maxm
%elif
WIN64
VBROADCASTSS
m0
,
m3
VBROADCASTSS
m1
,
maxm
%else
; 64bit sysv
VBROADCASTSS
m0
,
m0
VBROADCASTSS
m1
,
m1
%endif
movsxdifnidn
lenq
,
lend
.
loop
mova
m2
,
[
srcq
+
4
*
lenq
-
4
*
mmsize
]
mova
m3
,
[
srcq
+
4
*
lenq
-
3
*
mmsize
]
mova
m4
,
[
srcq
+
4
*
lenq
-
2
*
mmsize
]
mova
m5
,
[
srcq
+
4
*
lenq
-
1
*
mmsize
]
maxps
m2
,
m0
maxps
m3
,
m0
maxps
m4
,
m0
maxps
m5
,
m0
minps
m2
,
m1
minps
m3
,
m1
minps
m4
,
m1
minps
m5
,
m1
mova
[
dstq
+
4
*
lenq
-
4
*
mmsize
]
,
m2
mova
[
dstq
+
4
*
lenq
-
3
*
mmsize
]
,
m3
mova
[
dstq
+
4
*
lenq
-
2
*
mmsize
]
,
m4
mova
[
dstq
+
4
*
lenq
-
1
*
mmsize
]
,
m5
sub
lenq
,
mmsize
jg
.
loop
RET
libavcodec/x86/audiodsp_init.c
View file @
12004a9a
...
...
@@ -49,7 +49,7 @@ av_cold void ff_audiodsp_init_x86(AudioDSPContext *c)
if
(
EXTERNAL_MMXEXT
(
cpu_flags
))
c
->
scalarproduct_int16
=
ff_scalarproduct_int16_mmxext
;
if
(
INLINE
_SSE
(
cpu_flags
))
if
(
EXTERNAL
_SSE
(
cpu_flags
))
c
->
vector_clipf
=
ff_vector_clipf_sse
;
if
(
EXTERNAL_SSE2
(
cpu_flags
))
{
...
...
libavcodec/x86/audiodsp_mmx.c
deleted
100644 → 0
View file @
683da86a
/*
* This file is part of Libav.
*
* Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "config.h"
#include "libavutil/x86/asm.h"
#include "audiodsp.h"
#if HAVE_INLINE_ASM
void
ff_vector_clipf_sse
(
float
*
dst
,
const
float
*
src
,
int
len
,
float
min
,
float
max
)
{
x86_reg
i
=
(
len
-
16
)
*
4
;
__asm__
volatile
(
"movss %3, %%xmm4
\n\t
"
"movss %4, %%xmm5
\n\t
"
"shufps $0, %%xmm4, %%xmm4
\n\t
"
"shufps $0, %%xmm5, %%xmm5
\n\t
"
"1:
\n\t
"
"movaps (%2, %0), %%xmm0
\n\t
"
// 3/1 on intel
"movaps 16(%2, %0), %%xmm1
\n\t
"
"movaps 32(%2, %0), %%xmm2
\n\t
"
"movaps 48(%2, %0), %%xmm3
\n\t
"
"maxps %%xmm4, %%xmm0
\n\t
"
"maxps %%xmm4, %%xmm1
\n\t
"
"maxps %%xmm4, %%xmm2
\n\t
"
"maxps %%xmm4, %%xmm3
\n\t
"
"minps %%xmm5, %%xmm0
\n\t
"
"minps %%xmm5, %%xmm1
\n\t
"
"minps %%xmm5, %%xmm2
\n\t
"
"minps %%xmm5, %%xmm3
\n\t
"
"movaps %%xmm0, (%1, %0)
\n\t
"
"movaps %%xmm1, 16(%1, %0)
\n\t
"
"movaps %%xmm2, 32(%1, %0)
\n\t
"
"movaps %%xmm3, 48(%1, %0)
\n\t
"
"sub $64, %0
\n\t
"
"jge 1b
\n\t
"
:
"+&r"
(
i
)
:
"r"
(
dst
),
"r"
(
src
),
"m"
(
min
),
"m"
(
max
)
:
"memory"
);
}
#endif
/* HAVE_INLINE_ASM */
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