On 12/08/2016 08:46 PM, Cameron Kaiser wrote: >>> I have an old computer that was intended to do FFTs. It has a >>> complete bit order swap, MSB to LSB, instruction. >> >> Well, there's the PowerPC "endian" mode (settable in the MSR)--but >> it's just "sort of"--the little-endian mode simply XORs the lower 3 >> bits of the address with 111 (i.e. "flips them"). > > Or you could use the PowerPC byte-swapped instructions (lwbrx, etc.)
Forgot to mention the ARM CPUs/MCUs. Supports both, for people who can't make up their mind. --Chuck
