| Commit message (Collapse) | Author | Age |
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On 32-bit ppc, the GOT pointer must be loaded manually.
This adds a "get_got" assembler macro to compute the
GOT address. The "movrel" macro is updated to take an
additional parameter containing the GOT address since
no register is reserved for this purpose on ppc32.
These changes have no effect on ppc64 builds.
Signed-off-by: Mans Rullgard <mans@mansr.com>
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Signed-off-by: Mans Rullgard <mans@mansr.com>
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Originally committed as revision 24308 to svn://svn.ffmpeg.org/ffmpeg/trunk
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On PPC a leaf function has a 288-byte red zone below the stack pointer,
sparing these functions the chore of setting up a full stack frame.
When a function call is disguised within an inline asm block, the
compiler might not adjust the stack pointer as required before a
function call, resulting in the red zone being clobbered.
Moving the entire function to pure asm avoids this problem and also
results in somewhat better code.
Originally committed as revision 24044 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 24043 to svn://svn.ffmpeg.org/ffmpeg/trunk
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This removes the need for a post-swizzle with the small FFTs.
Originally committed as revision 24025 to svn://svn.ffmpeg.org/ffmpeg/trunk
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1.8x faster than altivec radix-2 on a G4
8% faster vorbis decoding
Patch (mostly) by Loren Merritt
Originally committed as revision 23956 to svn://svn.ffmpeg.org/ffmpeg/trunk
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