The parser is able to add extra code to generate the operand value, but we were explicitly adding that code ourselves. That added complexity particularly to the reg microops, but made other types a little more complex as well. Change-Id: Idae36c27662c79302ea9b2831062c8c067ba174c Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/42971 Tested-by: kokoro <noreply+kokoro@google.com> Reviewed-by: Gabe Black <gabe.black@gmail.com> Maintainer: Gabe Black <gabe.black@gmail.com>