What you can also try if you do PvP as job:

First copy your PvE bars from your job to the class

example:
/crosshotbar copy [job name] 1 [class name] 1
/crosshotbar copy [job name] 2 [class name] 2
This you can just write in the chat because you need to do it only once

Then you set up your PvP bar on the job and copy it also to a empty bar of the class
/crosshotbar copy [job name] 1 [class name] 3
/crosshotbar copy [job name] 2 [class name] 4

Then you write the 2 macros:

name: PvE Bar
/crosshotbar copy [class name] 1 [job name] 1
/crosshotbar copy [class name] 2 [job name] 2

name: PvP Bar
/crosshotbar copy [class name] 3 [job name] 1
/crosshotbar copy [class name] 4 [job name] 2