+ (sign&1) -> -sign (1 instruction less)
Originally committed as revision 5253 to svn://svn.ffmpeg.org/ffmpeg/trunk
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@ -1291,7 +1291,7 @@ static int decode_block(MJpegDecodeContext *s, DCTELEM *block,
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{
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int cache=GET_CACHE(re,gb);
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int sign=(~cache)>>31;
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level = (NEG_USR32(sign ^ cache,code) ^ sign) + (sign&1) ;
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level = (NEG_USR32(sign ^ cache,code) ^ sign) - sign;
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}
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LAST_SKIP_BITS(re, &s->gb, code)
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