interpolations, since they are always 16-bytes aligned in practice.
Add asserts to ease narrowing down potential image corructions on exotic plateforms

Based on a patch by Mauricio Alvarez % lokifo A gmail P com %
Original thread:
Date: Jun 26, 2007 1:07 PM
Subject: Re: [FFmpeg-devel] [PATCH] h264 luma interpolation 8x8 for altivec

Originally committed as revision 10238 to svn://svn.ffmpeg.org/ffmpeg/trunk

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overflow, the last known possible overflow

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registers to keep everything in registers

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remove brain amputated mmx wrappers around sse2 macros
fix name of ..._sub macro to match ..._add naming

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(patch for plain mmx support is welcome ...)

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note, the code likely can overflow and thus needs some more changes
sse2 updated too but disabled as it is untested

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the old 32bit code)
disable mmx/sse2 optimizations as they need a rewrite now

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when AltiVec is enabled anyway.

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--disable-demuxer=dv1394 should be used instead

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gcc-specific directive a few lines below.

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directives are aimed at idiosyncracies of Apple's gcc version.

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directives are aimed at idiosyncracies of Apple's gcc version.

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