https://libre-soc.org/irclog/%23libre-soc.2022-09-21.log.html#t2022-09-21T15:04:17 as it is reasonably easy to do, adding "strides" is to be added into DCT/FFT https://git.libre-soc.org/?p=libreriscv.git;a=commitdiff;h=b66c599ae49d4bd04cd2d2ef397d556217a6f04b