Skip to content
Projects
Groups
Snippets
Help
Loading...
Sign in / Register
Toggle navigation
F
ffmpeg
Project
Project
Details
Activity
Cycle Analytics
Repository
Repository
Files
Commits
Branches
Tags
Contributors
Graph
Compare
Charts
Issues
0
Issues
0
List
Board
Labels
Milestones
Merge Requests
0
Merge Requests
0
CI / CD
CI / CD
Pipelines
Jobs
Schedules
Charts
Packages
Packages
Wiki
Wiki
Snippets
Snippets
Members
Members
Collapse sidebar
Close sidebar
Activity
Graph
Charts
Create a new issue
Jobs
Commits
Issue Boards
Open sidebar
submodule
ffmpeg
Commits
2e4bb99f
Commit
2e4bb99f
authored
Jan 16, 2013
by
Ronald S. Bultje
Browse files
Options
Browse Files
Download
Email Patches
Plain Diff
vorbisdsp: convert x86 simd functions from inline asm to yasm.
parent
0ee8293a
Hide whitespace changes
Inline
Side-by-side
Showing
5 changed files
with
92 additions
and
74 deletions
+92
-74
Makefile
libavcodec/x86/Makefile
+1
-0
dsputil_mmx.c
libavcodec/x86/dsputil_mmx.c
+0
-3
dsputil_mmx.h
libavcodec/x86/dsputil_mmx.h
+0
-2
vorbisdsp.asm
libavcodec/x86/vorbisdsp.asm
+83
-0
vorbisdsp_init.c
libavcodec/x86/vorbisdsp_init.c
+8
-69
No files found.
libavcodec/x86/Makefile
View file @
2e4bb99f
...
...
@@ -62,6 +62,7 @@ YASM-OBJS-$(CONFIG_RV40_DECODER) += x86/rv34dsp.o \
x86/rv40dsp.o
YASM-OBJS-$(CONFIG_VC1_DECODER)
+=
x86/vc1dsp.o
YASM-OBJS-$(CONFIG_VIDEODSP)
+=
x86/videodsp.o
YASM-OBJS-$(CONFIG_VORBIS_DECODER)
+=
x86/vorbisdsp.o
YASM-OBJS-$(CONFIG_VP3DSP)
+=
x86/vp3dsp.o
YASM-OBJS-$(CONFIG_VP6_DECODER)
+=
x86/vp56dsp.o
YASM-OBJS-$(CONFIG_VP8_DECODER)
+=
x86/vp8dsp.o
...
...
libavcodec/x86/dsputil_mmx.c
View file @
2e4bb99f
...
...
@@ -38,9 +38,6 @@
DECLARE_ALIGNED
(
8
,
const
uint64_t
,
ff_bone
)
=
0x0101010101010101ULL
;
DECLARE_ALIGNED
(
8
,
const
uint64_t
,
ff_wtwo
)
=
0x0002000200020002ULL
;
DECLARE_ALIGNED
(
16
,
const
uint64_t
,
ff_pdw_80000000
)[
2
]
=
{
0x8000000080000000ULL
,
0x8000000080000000ULL
};
DECLARE_ALIGNED
(
16
,
const
xmm_reg
,
ff_pw_1
)
=
{
0x0001000100010001ULL
,
0x0001000100010001ULL
};
DECLARE_ALIGNED
(
16
,
const
xmm_reg
,
ff_pw_2
)
=
{
0x0002000200020002ULL
,
0x0002000200020002ULL
};
DECLARE_ALIGNED
(
16
,
const
xmm_reg
,
ff_pw_3
)
=
{
0x0003000300030003ULL
,
0x0003000300030003ULL
};
...
...
libavcodec/x86/dsputil_mmx.h
View file @
2e4bb99f
...
...
@@ -31,8 +31,6 @@ typedef struct xmm_reg { uint64_t a, b; } xmm_reg;
extern
const
uint64_t
ff_bone
;
extern
const
uint64_t
ff_wtwo
;
extern
const
uint64_t
ff_pdw_80000000
[
2
];
extern
const
xmm_reg
ff_pw_3
;
extern
const
xmm_reg
ff_pw_4
;
extern
const
xmm_reg
ff_pw_5
;
...
...
libavcodec/x86/vorbisdsp.asm
0 → 100644
View file @
2e4bb99f
;******************************************************************************
;* Vorbis x86 optimizations
;* Copyright (C) 2006 Loren Merritt <lorenm@u.washington.edu>
;*
;* 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
"libavutil/x86/x86util.asm"
SECTION_RODATA
pdw_80000000
:
times
4
dd
0x80000000
SECTION
.
text
%if
ARCH_X86_32
INIT_MMX
3
dnow
cglobal
vorbis_inverse_coupling
,
3
,
3
,
6
,
mag
,
ang
,
block_size
pxor
m7
,
m7
lea
magq
,
[
magq
+
block_sizeq
*
4
]
lea
angq
,
[
angq
+
block_sizeq
*
4
]
neg
block_sizeq
.
loop
:
mova
m0
,
[
magq
+
block_sizeq
*
4
]
mova
m1
,
[
angq
+
block_sizeq
*
4
]
mova
m2
,
m0
mova
m3
,
m1
pfcmpge
m2
,
m7
; m <= 0.0
pfcmpge
m3
,
m7
; a <= 0.0
pslld
m2
,
31
; keep only the sign bit
pxor
m1
,
m2
mova
m4
,
m3
pand
m3
,
m1
pandn
m4
,
m1
pfadd
m3
,
m0
; a = m + ((a < 0) & (a ^ sign(m)))
pfsub
m0
,
m4
; m = m + ((a > 0) & (a ^ sign(m)))
mova
[
angq
+
block_sizeq
*
4
]
,
m3
mova
[
magq
+
block_sizeq
*
4
]
,
m0
add
block_sizeq
,
2
jl
.
loop
femms
RET
%endif
INIT_XMM
sse
cglobal
vorbis_inverse_coupling
,
3
,
4
,
6
,
mag
,
ang
,
block_size
,
cntr
mova
m5
,
[
pdw_80000000
]
xor
cntrq
,
cntrq
align
16
.
loop
:
mova
m0
,
[
magq
+
cntrq
*
4
]
mova
m1
,
[
angq
+
cntrq
*
4
]
xorps
m2
,
m2
xorps
m3
,
m3
cmpleps
m2
,
m0
; m <= 0.0
cmpleps
m3
,
m1
; a <= 0.0
andps
m2
,
m5
; keep only the sign bit
xorps
m1
,
m2
mova
m4
,
m3
andps
m3
,
m1
andnps
m4
,
m1
addps
m3
,
m0
; a = m + ((a < 0) & (a ^ sign(m)))
subps
m0
,
m4
; m = m + ((a > 0) & (a ^ sign(m)))
mova
[
angq
+
cntrq
*
4
]
,
m3
mova
[
magq
+
cntrq
*
4
]
,
m0
add
cntrq
,
4
cmp
cntrq
,
block_sizeq
jl
.
loop
RET
libavcodec/x86/vorbisdsp_init.c
View file @
2e4bb99f
...
...
@@ -21,83 +21,22 @@
#include "config.h"
#include "libavutil/cpu.h"
#include "libavcodec/vorbisdsp.h"
#include "dsputil_mmx.h" // for ff_pdw_80000000
#if HAVE_INLINE_ASM
#if ARCH_X86_32
static
void
vorbis_inverse_coupling_3dnow
(
float
*
mag
,
float
*
ang
,
intptr_t
blocksize
)
{
int
i
;
__asm__
volatile
(
"pxor %%mm7, %%mm7"
:
);
for
(
i
=
0
;
i
<
blocksize
;
i
+=
2
)
{
__asm__
volatile
(
"movq %0, %%mm0
\n\t
"
"movq %1, %%mm1
\n\t
"
"movq %%mm0, %%mm2
\n\t
"
"movq %%mm1, %%mm3
\n\t
"
"pfcmpge %%mm7, %%mm2
\n\t
"
// m <= 0.0
"pfcmpge %%mm7, %%mm3
\n\t
"
// a <= 0.0
"pslld $31, %%mm2
\n\t
"
// keep only the sign bit
"pxor %%mm2, %%mm1
\n\t
"
"movq %%mm3, %%mm4
\n\t
"
"pand %%mm1, %%mm3
\n\t
"
"pandn %%mm1, %%mm4
\n\t
"
"pfadd %%mm0, %%mm3
\n\t
"
// a = m + ((a < 0) & (a ^ sign(m)))
"pfsub %%mm4, %%mm0
\n\t
"
// m = m + ((a > 0) & (a ^ sign(m)))
"movq %%mm3, %1
\n\t
"
"movq %%mm0, %0
\n\t
"
:
"+m"
(
mag
[
i
]),
"+m"
(
ang
[
i
])
::
"memory"
);
}
__asm__
volatile
(
"femms"
);
}
#endif
static
void
vorbis_inverse_coupling_sse
(
float
*
mag
,
float
*
ang
,
intptr_t
blocksize
)
{
int
i
;
__asm__
volatile
(
"movaps %0, %%xmm5
\n\t
"
::
"m"
(
ff_pdw_80000000
[
0
])
);
for
(
i
=
0
;
i
<
blocksize
;
i
+=
4
)
{
__asm__
volatile
(
"movaps %0, %%xmm0
\n\t
"
"movaps %1, %%xmm1
\n\t
"
"xorps %%xmm2, %%xmm2
\n\t
"
"xorps %%xmm3, %%xmm3
\n\t
"
"cmpleps %%xmm0, %%xmm2
\n\t
"
// m <= 0.0
"cmpleps %%xmm1, %%xmm3
\n\t
"
// a <= 0.0
"andps %%xmm5, %%xmm2
\n\t
"
// keep only the sign bit
"xorps %%xmm2, %%xmm1
\n\t
"
"movaps %%xmm3, %%xmm4
\n\t
"
"andps %%xmm1, %%xmm3
\n\t
"
"andnps %%xmm1, %%xmm4
\n\t
"
"addps %%xmm0, %%xmm3
\n\t
"
// a = m + ((a < 0) & (a ^ sign(m)))
"subps %%xmm4, %%xmm0
\n\t
"
// m = m + ((a > 0) & (a ^ sign(m)))
"movaps %%xmm3, %1
\n\t
"
"movaps %%xmm0, %0
\n\t
"
:
"+m"
(
mag
[
i
]),
"+m"
(
ang
[
i
])
::
"memory"
);
}
}
#endif
void
ff_vorbis_inverse_coupling_3dnow
(
float
*
mag
,
float
*
ang
,
intptr_t
blocksize
);
void
ff_vorbis_inverse_coupling_sse
(
float
*
mag
,
float
*
ang
,
intptr_t
blocksize
);
void
ff_vorbisdsp_init_x86
(
VorbisDSPContext
*
dsp
)
{
#if HAVE_
INLINE_
ASM
#if HAVE_
Y
ASM
int
mm_flags
=
av_get_cpu_flags
();
#if ARCH_X86_32
if
(
mm_flags
&
AV_CPU_FLAG_3DNOW
)
dsp
->
vorbis_inverse_coupling
=
vorbis_inverse_coupling_3dnow
;
dsp
->
vorbis_inverse_coupling
=
ff_
vorbis_inverse_coupling_3dnow
;
#endif
/* ARCH_X86_32 */
if
(
mm_flags
&
AV_CPU_FLAG_SSE
)
dsp
->
vorbis_inverse_coupling
=
vorbis_inverse_coupling_sse
;
#endif
/* HAVE_
INLINE_
ASM */
dsp
->
vorbis_inverse_coupling
=
ff_
vorbis_inverse_coupling_sse
;
#endif
/* HAVE_
Y
ASM */
}
Write
Preview
Markdown
is supported
0%
Try again
or
attach a new file
Attach a file
Cancel
You are about to add
0
people
to the discussion. Proceed with caution.
Finish editing this message first!
Cancel
Please
register
or
sign in
to comment