}
	minReg := 14 // _savegpr0_{n}, _savegpr1_{n}, _savefpr_{n}, 14 <= n <= 31
	offMul := 4  // 1 instruction per register op.
	switch s[1] {
	case "savegpr0", "savegpr1", "savefpr":
	case "restgpr0", "restgpr1", "restfpr":
	case "savevr", "restvr":
		minReg = 20 // _savevr_{n} or _restvr_{n}, 20 <= n <= 31
		offMul = 8  // 2 instructions per register op.
	default:
		return 0, false // Not an abi func
	}