[^:]*: Assembler messages:
[^:]*:[0-9]+: Error: selected processor does not support system register name 'rctx'
[^:]*:[0-9]+: Error: selected processor does not support `cosp rctx,x1'
[^:]*:[0-9]+: Error: selected processor does not support system register name 'rctx'
[^:]*:[0-9]+: Error: selected processor does not support `cfp rctx,x1'
