Now that there is a unified (get|set)RegOperand accessor for all register based operands, that can be used as a reasonable default in the ISA parser code. Change-Id: Icef62aa6c16fb8b929ee0fa0d60b23553e0bf515 Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/49735 Reviewed-by: Giacomo Travaglini <giacomo.travaglini@arm.com> Maintainer: Giacomo Travaglini <giacomo.travaglini@arm.com> Tested-by: kokoro <noreply+kokoro@google.com>