[^:]*: Assembler messages:
[^:]*:[0-9]+: Error: selected processor does not support system register name 'rctx'
[^:]*:[0-9]+: Error: selected processor does not support `cfp rctx,x1'
[^:]*:[0-9]+: Error: selected processor does not support system register name 'rctx'
[^:]*:[0-9]+: Error: selected processor does not support `dvp rctx,x2'
[^:]*:[0-9]+: Error: selected processor does not support system register name 'rctx'
[^:]*:[0-9]+: Error: selected processor does not support `cpp rctx,x3'
[^:]*:[0-9]+: Error: selected processor does not support system register name 'cvadp'
[^:]*:[0-9]+: Error: selected processor does not support system register name 'rndr'
[^:]*:[0-9]+: Error: selected processor does not support system register name 'rndrrs'