FYI ... info provided by SR too.
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I hope the following would be helpful.
AN3733 : Improving DSP Performance Using Efficient SPE Coding (including FIR example)
http://cache.freescale.com/files/microcontrollers/doc/app_note/AN3733.pdf
MPC55xx SPE DSP Library 1
http://cache.freescale.com/files/microcontrollers/software/app_software/code_examples/MPC55xx_SPE_DS...
MPC55xx SPE DSP Library 2 ()
http://cache.freescale.com/files/microcontrollers/software/app_software/code_examples/MPC55xx_SPE_DS...
PowerQUICC III Software Library replacing some libc functions by utilizing the SPE (memcpy, strlen...)
http://cache.freescale.com/files/netcomm/software/libraries/libcfsl_e500.zip
Notice MPC55xx_SPE_DSP_Library_x.ZIP contains self extracted Windows *.exe archive.
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Have a great day,
Pascal
Freescale Technical Support
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