You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: asmz.go
    path of file: ./repos/gotosocial/vendor/github.com/twitchyliquid64/golang-asm/obj/s390x
    
    the code of the file until where you have to start completion: // Based on cmd/internal/obj/ppc64/asm9.go.
//
//    Copyright © 1994-1999 Lucent Technologies Inc.  All rights reserved.
//    Portions Copyright ©
    
func zVRRc(op, v1, v2, v3, m6, m5, m4 uint32, asm *[]byte) {
	*asm = append(*asm,
		uint8(op>>8),
		(uint8(v1)<<4)|(uint8(v2)&0xf),
		uint8(v3)<<4,
		(uint8(m6)<<4)|(uint8(m5)&0xf),
		(uint8(m4)<<4)|rxb(v1, v2, v3, 0),
		uint8(op))
}