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ffmpeg / libavcodec / ppc / mathops.h @ 2912e87a

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# Date Author Comment
2912e87a 03/19/2011 01:33 PM Mans Rullgard

Replace FFmpeg with Libav in licence headers

Signed-off-by: Mans Rullgard <>

deb1b2b6 08/24/2009 10:59 AM Diego Biurrun

Add necessary #include for config.h.

Originally committed as revision 19692 to svn://svn.ffmpeg.org/ffmpeg/trunk

c7312933 08/23/2009 11:02 AM Måns Rullgård

Include required headers in {mips,ppc}/mathops.h

Originally committed as revision 19686 to svn://svn.ffmpeg.org/ffmpeg/trunk

34d11b87 05/26/2009 05:00 AM Reimar Döffinger

Change HAVE_PPC64 to ARCH_PPC64.
As a side-effect this also gives it the correct value on e.g. PPC970FX-based
PPC64 systems, thus fixing "make test" (mp2/mp3 decoding).

Originally committed as revision 18953 to svn://svn.ffmpeg.org/ffmpeg/trunk

014b7ecb 05/11/2009 02:41 AM Måns Rullgård

PPC: 32-bit asm for MAC64 and MLS64

GCC makes a mess of these operations, so give it a hand.

55% faster MP3 decoding on G4.

Originally committed as revision 18794 to svn://svn.ffmpeg.org/ffmpeg/trunk

3737dd1c 05/04/2009 05:31 PM Måns Rullgård

PPC: implement MULH in assembler

Left to its own devices, gcc calculates the full 64-bit product only to
discard the low 32 bits. This forces it to do the right thing.

20% faster MP3 decoding on G4.

Originally committed as revision 18737 to svn://svn.ffmpeg.org/ffmpeg/trunk

4ceb4e31 01/25/2009 11:16 AM Diego Biurrun

Add required headers to fix warnings during 'make checkheaders'.

Originally committed as revision 16769 to svn://svn.ffmpeg.org/ffmpeg/trunk

799fde37 01/24/2009 05:44 PM Diego Biurrun

Add a check for ppc4xx instructions; rename preprocessor directive accordingly.

Originally committed as revision 16756 to svn://svn.ffmpeg.org/ffmpeg/trunk

406792e7 01/19/2009 03:46 PM Diego Biurrun

cosmetics: Remove pointless period after copyright statement non-sentences.

Originally committed as revision 16684 to svn://svn.ffmpeg.org/ffmpeg/trunk

b250f9c6 01/13/2009 11:44 PM Aurelien Jacobs

Change semantic of CONFIG_*, HAVE_* and ARCH_*.
They are now always defined to either 0 or 1.

Originally committed as revision 16590 to svn://svn.ffmpeg.org/ffmpeg/trunk

79cb09b2 12/27/2008 11:33 AM Diego Biurrun

consistency cosmetics: Rename POWERPC identifiers to PPC.

Originally committed as revision 16359 to svn://svn.ffmpeg.org/ffmpeg/trunk

be449fca 10/16/2008 01:34 PM Diego Pettenò

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...

98790382 08/31/2008 07:39 AM Stefano Sabatini

Globally rename the header inclusion guard names.

Consistently apply this rule: the guard name is obtained from the
filename by stripping the leading "lib", converting '/' and '.' to
'_' and uppercasing the resulting name. Guard names in the root
directory have to be prefixed by "FFMPEG_"....

e3905ce0 07/20/2008 06:58 PM Diego Biurrun

cosmetics: Reformat PPC code in libavcodec according to style guidelines.
This includes indentation changes, comment reformatting, consistent brace
placement and some prettyprinting.

Originally committed as revision 14316 to svn://svn.ffmpeg.org/ffmpeg/trunk

5550eba8 03/17/2008 02:33 AM Måns Rullgård

typo: add missing \ in multi-line macro

Originally committed as revision 12466 to svn://svn.ffmpeg.org/ffmpeg/trunk

5b21bdab 10/17/2007 09:37 AM Diego Biurrun

Add FFMPEG_ prefix to all multiple inclusion guards.

Originally committed as revision 10765 to svn://svn.ffmpeg.org/ffmpeg/trunk

efb77577 06/17/2007 06:59 PM Guillaume Poirier

add a comment to indicate which #endif belong to which #define

Originally committed as revision 9356 to svn://svn.ffmpeg.org/ffmpeg/trunk

699b3f99 06/17/2007 12:01 AM Måns Rullgård

add multiple inclusion guards to headers

Originally committed as revision 9345 to svn://svn.ffmpeg.org/ffmpeg/trunk

b78e7197 10/07/2006 03:30 PM Diego Biurrun

Change license headers to say 'FFmpeg' instead of 'this program/this library'
and fix GPL/LGPL version mismatches.

Originally committed as revision 6577 to svn://svn.ffmpeg.org/ffmpeg/trunk

99aed7c8 09/19/2006 10:22 PM Luca Barbato

New single instruction math operation header

Originally committed as revision 6291 to svn://svn.ffmpeg.org/ffmpeg/trunk