tree fb1e4f8d4c94ae82c745b5c1ffeddb56f0cfcb68
parent b72636cbde8e241ae216748ad915a9f9cf620988
author Dave Cheney <dave@cheney.net> 1490588864 +1100
committer Dave Cheney <dave@cheney.net> 1490745726 +0000

cmd/internal/obj/x86: clean up byteswapreg

Make byteswapreg more Go like.

Change-Id: Ibdf3603cae9cad2b3465b4c224a28a4c4c745c2e
Reviewed-on: https://go-review.googlesource.com/38615
Run-TryBot: Dave Cheney <dave@cheney.net>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>