arch-vega: Implement V_ADD3_U32

Change-Id: I4d01265f946e289cbff56090c2dd193ea66d5c70
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/53867
Reviewed-by: Matt Sinclair <mattdsinclair@gmail.com>
Maintainer: Matt Sinclair <mattdsinclair@gmail.com>
Tested-by: kokoro <noreply+kokoro@google.com>
3 files changed