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36 Commits

Author SHA1 Message Date
Ramiro Polla
2344dc6bb6 doc: mention xmm clobber macros usage 
Originally committed as revision 25364 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-10-06 02:46:22 +00:00
Ronald S. Bultje
d801f1c848 Update docs regarding writing optimizations: 
- mention clobber-marking of xmm registers,
- some notes on external vs. inline asm, including tips on which to use for
   what situation and to not rewrite+improve in the same patch (as with C code)
- some more best-practice guidelines

See "[PATCH] update doc/optimization.txt" thread on ML.

Originally committed as revision 25170 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-09-24 14:01:09 +00:00
Ronald S. Bultje
9c193cc47c Fix typo (instruciton -> instruction). 
Originally committed as revision 25157 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-09-22 02:18:03 +00:00
Diego Biurrun
0fa5f24c3b Change mplayerhq.hu references to ffmpeg.org where appropriate. 
Originally committed as revision 16310 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-12-25 15:49:50 +00:00
Diego Biurrun
a6493a8fbd Rename libavcodec/i386/ --> libavcodec/x86/. 
It contains optimizations that are not specific to i386 and
libavutil uses this naming scheme already.

Originally committed as revision 16270 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-12-22 09:12:42 +00:00
Diego Pettenò
be449fca79 Convert asm keyword into __asm__. 
Neither the asm() nor the __asm__() keyword is part of the C99
standard, but while GCC accepts the former in C89 syntax, it is not
accepted in C99 unless GNU extensions are turned on (with -fasm). The
latter form is accepted in any syntax as an extension (without
requiring further command-line options).

Sun Studio C99 compiler also does not accept asm() while accepting
__asm__(), albeit reporting warnings that it's not valid C99 syntax.

Originally committed as revision 15627 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-10-16 13:34:09 +00:00
Dmitry Antipov
1a592ecc47 Add Intel IWMMXT2 link, patch by Dmitry Antipov, dmantipov yandex ru. 
Originally committed as revision 13467 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-05-27 13:27:51 +00:00
Mike Melanson
6609f9e2ee minor English corrections 
Originally committed as revision 12171 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-02-21 18:46:49 +00:00
Michael Niedermayer
8144dff032 typos 
Originally committed as revision 12170 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-02-21 18:42:33 +00:00
Michael Niedermayer
7b8c3aedac "General Tips" section 
Originally committed as revision 12168 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-02-21 13:02:31 +00:00
Mike Melanson
07bf0cc9cf clarify previous revision on optimization justification 
Originally committed as revision 11598 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-01-22 21:57:19 +00:00
Mike Melanson
ac59e7f4b1 Ministry of English Composition edits 
Originally committed as revision 11597 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-01-22 18:21:12 +00:00
Michael Niedermayer
5e123bd359 Cosmetics to speed up finding sections of interest. 
Originally committed as revision 11596 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-01-22 14:48:02 +00:00
Michael Niedermayer
8f738eea43 "What speedup justifies an optimization" section 
Originally committed as revision 11595 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-01-22 14:45:20 +00:00
Diego Biurrun
a1d0b6a277 cosmetics: Fix AltiVec spelling. 
Originally committed as revision 10639 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-10-02 10:34:57 +00:00
Guillaume Poirier
14c2634bcc Fix links to ARM documentation 
Originally committed as revision 10399 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-09-05 07:49:01 +00:00
Dominik Mierzejewski
71253ce9a6 add a link to VIS instructions whitepaper 
Originally committed as revision 10235 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-26 11:45:09 +00:00
Michael Niedermayer
777bbfddde more sparc asm docs 
Originally committed as revision 10215 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-24 22:10:21 +00:00
Luca Barbato
2c2b3130c2 PowerPC/CELL/Altivec pointers 
Originally committed as revision 10197 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-23 16:40:23 +00:00
Michael Niedermayer
277bb93642 sparc asm docs 
Originally committed as revision 10194 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-23 09:39:14 +00:00
Loren Merritt
2e1ad4a28e simd gmc wasn't impossible. 
Originally committed as revision 10191 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-23 04:56:29 +00:00
Guillaume Poirier
20e570c8e8 links to ARM optimization manuals 
Originally committed as revision 7425 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-01-07 23:39:56 +00:00
Diego Biurrun
2b165e2901 www1.mplayerhq.hu --> lists.mplayerhq.hu 
Originally committed as revision 5459 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-06-09 09:55:57 +00:00
Diego Biurrun
1c1b5a4094 CVS --> Subversion 
Originally committed as revision 5458 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-06-09 09:55:04 +00:00
Diego Biurrun
0a46c9330a Rephrase a paragraph for ease of understanding, suggested by Mans. 
Originally committed as revision 4379 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-06-12 16:11:40 +00:00
Diego Biurrun
c5a44f5715 spelling/phrasing fixes, mostly by Mans 
Originally committed as revision 4378 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-06-11 18:18:13 +00:00
Diego Biurrun
8ea9ce413b spelling/grammar/wording/phrasing 
Originally committed as revision 4376 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-06-11 17:41:23 +00:00
Diego Biurrun
38aca76027 Cosmetics: Removed trailing whitespace, converted tabs to spaces. 
Originally committed as revision 4375 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-06-11 17:32:22 +00:00
Alex Beregszaszi
67c311fafa changed the mailinglist pointers to the new place (mplayerhq) 
Originally committed as revision 4122 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-04-11 16:24:58 +00:00
Michael Niedermayer
6fbcfec0c8 testing cvslog 
Originally committed as revision 4118 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-04-10 02:16:45 +00:00
Michael Niedermayer
88e3d29b6b testing cvslog 
Originally committed as revision 4117 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-04-10 02:09:39 +00:00
Michael Niedermayer
7d67aa9b0f info about h and tpel 
Originally committed as revision 2639 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2003-12-30 19:19:45 +00:00
Michael Niedermayer
8c55915b14 add/put_pixels_clamped update 
Originally committed as revision 1475 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2003-01-19 18:42:49 +00:00
Michael Niedermayer
143cc72527 gmc1 
Originally committed as revision 1446 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2003-01-11 15:38:00 +00:00
Michael Niedermayer
3df7be0f72 more links 
Originally committed as revision 1445 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2003-01-11 11:36:38 +00:00
Michael Niedermayer
a552591fb1 optimization tips 
can allso be used as a torture test for ur spelling checker

Originally committed as revision 1444 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2003-01-11 10:55:17 +00:00