Now that op_idx is trivial to calculate (just src_reg_idx or dest_reg_idx), there's no need to have the indirection and extra mechanism to funnel a precalculated value around. Change-Id: I37daeb646b85e050c4b832af28d054ecc3c338b1 Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/49750 Reviewed-by: Giacomo Travaglini <giacomo.travaglini@arm.com> Tested-by: kokoro <noreply+kokoro@google.com> Maintainer: Giacomo Travaglini <giacomo.travaglini@arm.com>