SIMD-optimized RGB-to-grayscale conversion for MIPS DSPr2


git-svn-id: svn://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1045 632fc199-4ca6-4c93-a231-07263d6284db
SIMD-accelerated 1/2 and 1/4 decompression scaling for MIPS DSPr2


git-svn-id: svn://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1046 632fc199-4ca6-4c93-a231-07263d6284db
SIMD-accelerated 3/4 and 3/2 decompression scaling for MIPS DSPr2


git-svn-id: svn://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1047 632fc199-4ca6-4c93-a231-07263d6284db
Fix an issue that resulted in an error ("Invalid SOS parameters for sequential JPEG.  Didn't expect more than one scan.") when decoding progressive+arithmetic JPEGs generated by libjpeg-turbo.


git-svn-id: svn://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1048 632fc199-4ca6-4c93-a231-07263d6284db
Actually, the second bug was hidden by the first, so the initial ChangeLog entry was correct from the user's point of view.


git-svn-id: svn://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1051 632fc199-4ca6-4c93-a231-07263d6284db
Some of the IJG headers say "Modified by", so clarify that our "Modifications" are not referring to these.


git-svn-id: svn://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1052 632fc199-4ca6-4c93-a231-07263d6284db