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: a.out.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/a.out.go.
//
//	Copyright © 1994-1999 Lucent Technologies Inc.  All rights reserved.
//	Portions Copyright © 1995-1997 C H Forsyth (forsyth@terzarima.net)
//	Portions Copyright © 1997-1999 Vita Nuova Limited
//	Portions Copyright © 2000-2008 Vita Nuova Holdings Limited (www.vitanuova.com)
//	Portions Copyright © 2004,2006 Bruce Ellis
//	Portions Copyright © 2005-2007 C H Forsyth (forsyth@terzarima.net)
//	Revisions Copyright © 2000-2008 Lucent Technologies Inc
    
func init() {
	// f assigns dwarfregisters[from:to by step] = (base):((to-from)/step+base)
	f := func(from, step, to, base int16) {
		for r := int16(from); r <= to; r += step {
			S390XDWARFRegisters[r] = (r-from)/step + base
		}
	}
	f(REG_R0, 1, REG_R15, 0)

	f(REG_F0, 2, REG_F6, 16)
	f(REG_F1, 2, REG_F7, 20)
	f(REG_F8, 2, REG_F14, 24)
	f(REG_F9, 2, REG_F15, 28)

	f(REG_V0, 2, REG_V6, 16) // V0:15 aliased to F0:15
	f(REG_V1, 2, REG_V7, 20) // TODO what about V16:31?
	f(REG_V8, 2, REG_V14, 24)
	f(REG_V9, 2, REG_V15, 28)

	f(REG_AR0, 1, REG_AR15, 48)
}