在2021年8月2日八月 上午9:33，yinshiyou...@loongson.cn写道：
>> -原始邮件-
>> 发件人: "Jiaxun Yang"
>> 发送时间: 2021-08-02 13:40:54 (星期一)
>> 收件人: "FFmpeg development discussions and patches" ,
>> yinshiyou...@loongson.cn
>> 抄送:
>> 主题:
在 2021/8/2 下午4:33, yinshiyou...@loongson.cn 写道:
-原始邮件-
发件人: "Jiaxun Yang"
发送时间: 2021-08-02 13:40:54 (星期一)
收件人: "FFmpeg development discussions and patches" ,
yinshiyou...@loongson.cn
抄送:
主题: Re: [FFmpeg-devel] [PATCH] avcodec/mips: Support old style mmi instru
在 2021/7/29 20:26, Jiaxun Yang 写道:
在2021年7月29日七月 下午5:29，yinshiyou...@loongson.cn写道：
-原始邮件-
发件人: "Jiaxun Yang"
发送时间: 2021-07-29 14:32:35 (星期四)
收件人: ffmpeg-devel@ffmpeg.org
抄送: yinshiyou...@loongson.cn, "Jiaxun Yang"
主题: [PATCH] avcodec/mips: Support old s
在2021年7月29日七月 下午5:29，yinshiyou...@loongson.cn写道：
> > -原始邮件-
> > 发件人: "Jiaxun Yang"
> > 发送时间: 2021-07-29 14:32:35 (星期四)
> > 收件人: ffmpeg-devel@ffmpeg.org
> > 抄送: yinshiyou...@loongson.cn, "Jiaxun Yang"
> > 主题: [PATCH] a
在 2021/7/23 17:23, yinshiyou...@loongson.cn 写道:
-原始邮件-
发件人: "Jiaxun Yang"
发送时间: 2021-07-23 10:34:37 (星期五)
收件人: ffmpeg-devel@ffmpeg.org
抄送:
主题: Re: [FFmpeg-devel] [PATCH v1] configure: fix mmi check
在 2021/7/23 上午9:39, Jin Bo 写道:
pxor is loongson media extension i
wsbh is only avilable for MIPS R2+.
Provide a fallback for older processors.
Signed-off-by: Jiaxun Yang
Reviewed-by: Shiyou Yin
---
libavcodec/mips/cabac.h | 24
1 file changed, 24 insertions(+)
diff --git a/libavcodec/mips/cabac.h b/libavcodec/mips/cabac.h
index
.
Signed-off-by: Jiaxun Yang
Reviewed-by: Shiyou Yin
---
libavutil/mips/mmiutils.h | 108 +++---
1 file changed, 66 insertions(+), 42 deletions(-)
diff --git a/libavutil/mips/mmiutils.h b/libavutil/mips/mmiutils.h
index 41715c6490..7991e14e84 100644
code didn't follow that. In this patch I revised the
codebase and converted all these instructions into MMI marcos to get
Loongson2 supproted again.
Signed-off-by: Jiaxun Yang
Reviewed-by: Shiyou Yin
---
libavcodec/mips/h264chroma_mmi.c | 28 +++-
libavcodec/mips/h264dsp_mmi.c | 8
{SAVE,RECOVER}_REG will be available for Loongson2 again,
also comment about the magic.
Signed-off-by: Jiaxun Yang
Reviewed-by: Shiyou Yin
---
libavutil/mips/mmiutils.h | 32 +---
1 file changed, 17 insertions(+), 15 deletions(-)
diff --git a/libavutil/mips
Get MMI optimizations build for Loongson-2 again.
Tested on Loongson-2 and Loongson-3A.
---
v2: Rebase and add patch 5
v3: Drop load pair patch and collect review tags
---
Jiaxun Yang (4):
avutil/mips: Use MMI_{L, S}QC1 macro in {SAVE, RECOVER}_REG
avcodec/mips: Use MMI marcos to replace
在 2021/7/23 上午11:59, yinshiyou...@loongson.cn 写道:
-原始邮件-
发件人: "Jiaxun Yang"
发送时间: 2021-07-22 21:59:03 (星期四)
收件人: ffmpeg-devel@ffmpeg.org
抄送:
主题: Re: [FFmpeg-devel] [PATCH v2 2/5] avutil/mips: Extract load store with
shift C1 pair marco
在 2021/7/22 下午7:55,
在 2021/7/23 上午9:39, Jin Bo 写道:
pxor is loongson media extension instruction, it's not
supported yet on upstream gcc complier. Disable mmi to
avoid build error if the compiler does not support it.
Hi Bo,
Well I have to repeat that your statement is *NOT* true.
Upstream GCC *DO* support
在 2021/7/22 下午9:02, yinshiyou...@loongson.cn 写道:
I mean the upstream compiler not support ’pxor‘ yet, not mean MMI.
upstream gcc supports 'xor' for 2F and 3A is true, user can use it with old
version ffmpeg?
According to the latest instruction mannual, we should use 'pxor' but not 'xor'
which
在 2021/7/22 下午7:55, yinshiyou...@loongson.cn 写道:
-原始邮件-
发件人: "Jiaxun Yang"
发送时间: 2021-07-21 17:19:10 (星期三)
收件人: ffmpeg-devel@ffmpeg.org
抄送: yinshiyou...@loongson.cn, "Jiaxun Yang"
主题: [FFmpeg-devel] [PATCH v2 2/5] avutil/mips: Extract load store with
shift C
在 2021/7/22 下午9:02, yinshiyou...@loongson.cn 写道:
No that's not true, Loongson-MMI had upstream toolchain support for
Loongson-3A since 2019, which is binutils-2.32 and GCC-9.
And these instruction naming (and or xor) is available since 2008 for
Loongson-2F.
I mean the upstream compiler
在 2021/7/22 下午4:00, yinshiyou...@loongson.cn 写道:
-原始邮件-
发件人: "Jiaxun Yang"
发送时间: 2021-07-21 17:39:22 (星期三)
收件人: ffmpeg-devel@ffmpeg.org
抄送: yinshiyou...@loongson.cn, "Jin Bo" , "Jiaxun Yang"
主题: [FFmpeg-devel] [PATCH] Revert "libavcodec/mips
.
Signed-off-by: Jiaxun Yang
---
libavutil/mips/mmiutils.h | 115 +++---
1 file changed, 69 insertions(+), 46 deletions(-)
diff --git a/libavutil/mips/mmiutils.h b/libavutil/mips/mmiutils.h
index f5b600e50c..c1a8046798 100644
--- a/libavutil/mips/mmiutils.h
+++ b
{SAVE,RECOVER}_REG will be avilable for Loongson2 again,
also comment about the magic.
Signed-off-by: Jiaxun Yang
---
libavutil/mips/mmiutils.h | 32 +---
1 file changed, 17 insertions(+), 15 deletions(-)
diff --git a/libavutil/mips/mmiutils.h b/libavutil/mips
code didn't follow that. In this patch I revewed the
codebase and converted all these instructions into MMI marcos to get
Loongson2 supproted again.
Signed-off-by: Jiaxun Yang
---
libavcodec/mips/h264chroma_mmi.c | 28 +++-
libavcodec/mips/h264dsp_mmi.c | 8 +-
libavcodec/mips/hevcdsp_mmi.c
Get MMI optimizations build for Loongson-2 again.
Tested on Loongson-2 and Loongson-3A.
---
v2: Rebase and add patch v6
---
Cc: yinshiyou...@loongson.cn
Jiaxun Yang (5):
avutil/mips: Use MMI_{L,S}QC1 macro in {SAVE,RECOVER}_REG
avutil/mips: Extract load store with shift C1 pair marco
We're doing some fancy hacks with load store with shift C1
beside unaligned load store. Create a marco for l/r pair
to allow us use it in these places.
Signed-off-by: Jiaxun Yang
---
libavutil/mips/mmiutils.h | 49 ---
1 file changed, 30 insertions(+), 19
wsbh is only avilable for MIPS R2+.
Provide a fallback for older processors.
Signed-off-by: Jiaxun Yang
---
libavcodec/mips/cabac.h | 24
1 file changed, 24 insertions(+)
diff --git a/libavcodec/mips/cabac.h b/libavcodec/mips/cabac.h
index f1e953dabe..39c308c7e0 100644
在 2021/2/23 下午2:47, 殷时友 写道:
2021年2月19日 下午1:28，Jiaxun Yang 写道：
Get MMI optimizations build for Loongson-2 again.
Tested on Loongson-2 and Loongson-3A.
Jiaxun Yang (4):
avutil/mips: Use MMI_{L,S}QC1 macro in {SAVE,RECOVER}_REG
avutil/mips: Extract load store with shift C1 pair marco
On Tue, Feb 23, 2021, at 2:47 PM, 殷时友 wrote:
>
> > 2021年2月19日 下午1:28，Jiaxun Yang 写道：
> >
> > Get MMI optimizations build for Loongson-2 again.
> > Tested on Loongson-2 and Loongson-3A.
> >
> > Jiaxun Yang (4):
> > avutil/mips: Use MMI_{L,S}QC1
.
Signed-off-by: Jiaxun Yang
---
libavutil/mips/mmiutils.h | 115 +++---
1 file changed, 69 insertions(+), 46 deletions(-)
diff --git a/libavutil/mips/mmiutils.h b/libavutil/mips/mmiutils.h
index 3994085057..7b7b405ddf 100644
--- a/libavutil/mips/mmiutils.h
+++ b
code didn't follow that. In this patch I revewed the
codebase and converted all these instructions into MMI marcos to get
Loongson2 supproted again.
Signed-off-by: Jiaxun Yang
---
libavcodec/mips/h264chroma_mmi.c | 26 +++-
libavcodec/mips/h264dsp_mmi.c | 8 +-
libavcodec/mips/hevcdsp_mmi.c
We're doing some fancy hacks with load store with shift C1
beside unaligned load store. Create a marco for l/r pair
to allow us use it in these places.
Signed-off-by: Jiaxun Yang
---
libavutil/mips/mmiutils.h | 49 ---
1 file changed, 30 insertions(+), 19
{SAVE,RECOVER}_REG will be avilable for Loongson2 again,
also comment about the magic.
Signed-off-by: Jiaxun Yang
---
libavutil/mips/mmiutils.h | 32 +---
1 file changed, 17 insertions(+), 15 deletions(-)
diff --git a/libavutil/mips/mmiutils.h b/libavutil/mips
Get MMI optimizations build for Loongson-2 again.
Tested on Loongson-2 and Loongson-3A.
Jiaxun Yang (4):
avutil/mips: Use MMI_{L,S}QC1 macro in {SAVE,RECOVER}_REG
avutil/mips: Extract load store with shift C1 pair marco
avcodec/mips: Use MMI marcos to replace Loongson3 instructions
avutil
That helper grab from kernel code can allow us to inline
newer instructions (not implemented by the assembler) in
a elegant manner.
Signed-off-by: Jiaxun Yang
---
libavutil/mips/asmdefs.h | 42
1 file changed, 42 insertions(+)
diff --git a/libavutil
GCC complains about them.
Signed-off-by: Jiaxun Yang
---
libavcodec/mips/h264dsp_mips.h | 18 +-
libavcodec/mips/h264dsp_mmi.c | 18 +-
libavcodec/mips/xvid_idct_mmi.c | 4 ++--
libavcodec/mips/xvididct_mips.h | 4 ++--
4 files changed, 22 insertions(+), 22
clear.
Signed-off-by: Jiaxun Yang
---
libavcodec/mips/h264dsp_mmi.c | 38 +--
1 file changed, 19 insertions(+), 19 deletions(-)
diff --git a/libavcodec/mips/h264dsp_mmi.c b/libavcodec/mips/h264dsp_mmi.c
index d3bd472599..173e191c77 100644
--- a/libavcodec/mips
UCFG (or not export it in HWCAP),
we'll parse /proc/cpuinfo instead.
Signed-off-by: Jiaxun Yang
--
v5: Fix a stupid typo
---
libavutil/cpu.c | 10 +++
libavutil/cpu.h | 3 +
libavutil/cpu_internal.h | 2 +
libavutil/mips/Makefile | 2 +-
libavutil/mips/cpu.c |
- Disable DSP for generic CPU
v5:
- Clean ups
- Address some GCC build warnings
v6:
- Address more Shiyou's comments
Jiaxun Yang (6):
ffbuild: Refine MIPS handling
libavutils: Add parse_r helper for MIPS
libavutil: Detect MMI and MSA flags for MIPS
libavcodec: Enable runtime detectio
son3 and Release 6 & rest.
Secondly, we compile MMI and MSA C sources with their own flags to ensure
their flags won't pollute the whole program and generate illegal code.
Signed-off-by: Jiaxun Yang
--
v5: Minor fixes
v6: Minor fixes according to Shiyou's comments
---
configure
GCC complains about them.
Signed-off-by: Jiaxun Yang
---
libavcodec/mips/h264dsp_mips.h | 18 +-
libavcodec/mips/h264dsp_mmi.c | 18 +-
libavcodec/mips/xvid_idct_mmi.c | 4 ++--
libavcodec/mips/xvididct_mips.h | 4 ++--
4 files changed, 22 insertions(+), 22
- Disable DSP for generic CPU
v5:
- Clean ups
- Address some GCC build warnings
Jiaxun Yang (6):
ffbuild: Refine MIPS handling
libavutils: Add parse_r helper for MIPS
libavutil: Detect MMI and MSA flags for MIPS
libavcodec: Enable runtime detection for MIPS MMI & MSA
libavcodec: M
son3 and Release 6 & rest.
Secondly, we compile MMI and MSA C sources with their own flags to ensure
their flags won't pollute the whole program and generate illegal code.
Signed-off-by: Jiaxun Yang
--
v5: Minor fixes
---
configure
clear.
Signed-off-by: Jiaxun Yang
---
libavcodec/mips/h264dsp_mmi.c | 38 +--
1 file changed, 19 insertions(+), 19 deletions(-)
diff --git a/libavcodec/mips/h264dsp_mmi.c b/libavcodec/mips/h264dsp_mmi.c
index 7a60ee7c2b..20df39806f 100644
--- a/libavcodec/mips
UCFG (or not export it in HWCAP),
we'll parse /proc/cpuinfo instead.
Signed-off-by: Jiaxun Yang
--
v5: Fix a stupid typo
---
libavutil/cpu.c | 10 +++
libavutil/cpu.h | 3 +
libavutil/cpu_internal.h | 2 +
libavutil/mips/Makefile | 2 +-
libavutil/mips/cpu.c |
That helper grab from kernel code can allow us to inline
newer instructions (not implemented by the assembler) in
a elegant manner.
Signed-off-by: Jiaxun Yang
---
libavutil/mips/asmdefs.h | 42
1 file changed, 42 insertions(+)
diff --git a/libavutil
UCFG (or not export it in HWCAP),
we'll parse /proc/cpuinfo instead.
Signed-off-by: Jiaxun Yang
---
v2: Implement CPUCFG code path as CPUCFG emulation and HWCAP
have accepted by Linux Kernel upstream.
---
libavutil/cpu.c | 10 +++
libavutil/cpu.h | 3 +
libav
Apply optimized functions according to cpuflags.
MSA is always put after MMI as it's usually faster than MMI.
Signed-off-by: Jiaxun Yang
---
libavcodec/mips/blockdsp_init_mips.c| 22 +-
libavcodec/mips/cabac.h | 2 +-
libavcodec/mips
在 2020/6/6 17:48, Shiyou Yin 写道:
-Original Message-
From: ffmpeg-devel-boun...@ffmpeg.org [mailto:ffmpeg-devel-boun...@ffmpeg.org]
On Behalf Of
Jiaxun Yang
Sent: Saturday, June 6, 2020 3:34 PM
To: ffmpeg-devel@ffmpeg.org
Cc: yinshi...@loongson.cn; Jiaxun Yang
Subject: [FFmpeg-devel
That helper grab from kernel code can allow us to inline
newer instructions (not implemented by the assembler) in
a elegant manner.
Signed-off-by: Jiaxun Yang
---
libavutil/mips/asmdefs.h | 42
1 file changed, 42 insertions(+)
diff --git a/libavutil
son3 and Release 6 & rest.
Secondly, we compile MMI and MSA C sources with their own flags to ensure
their flags won't pollute the whole program and generate illegal code.
Signed-off-by: Jiaxun Yang
--
v3: Address Shiyou's review suggestions,
Fix GCC version detection method.
v4: Dis
- Disable DSP for generic CPU
Jiaxun Yang (4):
ffbuild: Refine MIPS handling
libavutils: Add parse_r helper for MIPS
libavutil: Detect MMI and MSA flags for MIPS
libavcodec: Enable runtime detection for MIPS MMI & MSA
configure | 183 +++
UCFG (or not export it in HWCAP),
we'll parse /proc/cpuinfo instead.
Signed-off-by: Jiaxun Yang
---
v2: Implement CPUCFG code path as CPUCFG emulation and HWCAP
have accepted by Linux Kernel upstream.
---
libavutil/cpu.c | 10 +++
libavutil/cpu.h | 3 +
libav
Apply optimized functions according to cpuflags.
MSA is always put after MMI as it's usually faster than MMI.
Signed-off-by: Jiaxun Yang
---
libavcodec/mips/blockdsp_init_mips.c| 22 +-
libavcodec/mips/cabac.h | 2 +-
libavcodec/mips
son3 and Release 6 & rest.
Secondly, we compile MMI and MSA C sources with their own flags to ensure
their flags won't pollute the whole program and generate illegal code.
Signed-off-by: Jiaxun Yang
--
v3: Address Shiyou's review suggestions,
Fix GCC version detection method.
---
c
This series adds MIPS MSA & MMI runtime detection support
Please review.
Thanks!
v2:
- Add CPUCFG support.
- Add "-mloongson-ext" to MMIFLAGS for Loongson-3 as well. (Loongson2F don't
need this flag)
v3:
- Address reveiew suggestions from Shiyou Yin and Weixi Gu.
That helper grab from kernel code can allow us to inline
newer instructions (not implemented by the assembler) in
a elegant manner.
Signed-off-by: Jiaxun Yang
---
libavutil/mips/asmdefs.h | 42
1 file changed, 42 insertions(+)
diff --git a/libavutil
On Tue, 2 Jun 2020 22:15:03 +0800
Jiaxun Yang wrote:
> This series adds MIPS MSA & MMI runtime detection support
>
> Please review.
>
> Thanks!
>
> v2:
> - Add CPUCFG support.
> - Add "-mloongson-ext" to MMIFLAGS for Loongson-3 as well.
> (Loo
UCFG (or not export it in HWCAP),
we'll parse /proc/cpuinfo instead.
Signed-off-by: Jiaxun Yang
---
v2: Implement CPUCFG code path as CPUCFG emulation and HWCAP
have accepted by Linux Kernel upstream.
---
libavutil/cpu.c | 10 +++
libavutil/cpu.h | 3 +
libav
This series adds MIPS MSA & MMI runtime detection support
Please review.
Thanks!
v2:
- Add CPUCFG support.
- Add "-mloongson-ext" to MMIFLAGS for Loongson-3 as well. (Loongson2F don't
need this flag)
Jiaxun Yang (4):
ffbuild: Refine MIPS handling
libavutils: Add
That helper grab from kernel code can allow us to inline
newer instructions (not implemented by the assembler) in
a elegant manner.
Signed-off-by: Jiaxun Yang
---
libavutil/mips/asmdefs.h | 42
1 file changed, 42 insertions(+)
diff --git a/libavutil
son3 and Release 6 & rest.
Secondly, we compile MMI and MSA C sources with their own flags to ensure
their flags won't pollute the whole program and generate illegal code.
Signed-off-by: Jiaxun Yang
---
configure| 179 +++
ffbuild/co
Apply optimized functions according to cpuflags.
MSA is always put after MMI as it's usually faster than MMI.
Signed-off-by: Jiaxun Yang
---
libavcodec/mips/blockdsp_init_mips.c| 22 +-
libavcodec/mips/cabac.h | 2 +-
libavcodec/mips
Apply optimized functions according to cpuflags.
MSA is always put after MMI as it's usually faster than MMI.
Signed-off-by: Jiaxun Yang
---
libavcodec/mips/blockdsp_init_mips.c| 22 +-
libavcodec/mips/cabac.h | 2 +-
libavcodec/mips
6x16 [OK]
pred8x8l_top_dc_8_mmi (h264pred.c:222)
- h264pred.pred8x8l [FAILED]
- h264qpel.put [OK]
- h264qpel.avg [OK]
- pixblockdsp.get_pixels [OK]
- pixblockdsp.diff_pixels [OK]
- vp8dsp.idct [OK]
- vp8dsp.loopfilter [OK]
- vp9dsp.mc [OK]
Jiaxun Yang (3):
ffbuild: Refine MIPS handling
libavutil: Detect MMI
Add MMI & MSA runtime detection for MIPS.
Currently it's based on cpuinfo but in future we should
consider to use CPUCFG instruction.
Signed-off-by: Jiaxun Yang
---
libavutil/cpu.c | 10 +
libavutil/cpu.h | 3 ++
libavutil/cpu_internal.h | 2 +
libavutil/
son3 and Release 6 & rest.
Secondly, we compile MMI and MSA C sources with their own flags to ensure
their flags won't pollute the whole program and generate illegal code.
Signed-off-by: Jiaxun Yang
---
configure| 179 +++
ffbuild/co
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