On 04 Apr 2017 10:14, Alan Hayward wrote:
> Max size set to 32bits, which I determined using regformats/reg-bfin.dat
> 
> Tested on a --enable-targets=all build using make check with board files
> unix and native-gdbserver.
> 
> I do not have an BFIN machine to test on.

yes, Blackfin only has 32-bit registers.  it has two 40-bit accumulators
(A0 & A1), but they're read/written as 32-bit (A0.W) & 8-bit (A0.X) pairs.
-mike