v_0 := v.Args[0]
	b := v.Block
	// match: (Bswap32 <t> x)
	// cond: buildcfg.GOARM.Version==5
	// result: (XOR <t> (SRLconst <t> (BICconst <t> (XOR <t> x (SRRconst <t> [16] x)) [0xff0000]) [8]) (SRRconst <t> x [8]))
	for {
		t := v.Type
		x := v_0
		if !(buildcfg.GOARM.Version == 5) {
			break
		}
		v.reset(OpARMXOR)
		v.Type = t