if v {
		l.attrUsedInIface.Set(i)
	} else {
		l.attrUsedInIface.Unset(i)
	}
}

// SymAddr checks that a symbol is reachable, and returns its value.
func (l *Loader) SymAddr(i Sym) int64 {
	if !l.AttrReachable(i) {
		panic("unreachable symbol in symaddr")
	}
	return l.values[i]
}

// AttrNotInSymbolTable returns true for symbols that should not be

	// (LO) instruction sequences used to implement absolute relocations
	// on PPC64 prior to ISA 3.1 (P10). For consistency, maintain this
	// restriction for ISA 3.1 unless it becomes problematic.
	t := ldr.SymAddr(rs) + r.Add()
	if t < 0 || t >= 1<<31 {
		ldr.Errorf(s, "relocation for %s is too big (>=2G): 0x%x", ldr.SymName(s), ldr.SymValue(rs))
	}

			continue
		}
		if v.Type.IsTuple() && v.Type.FieldType(1).IsMemory() {
			// We could handle this situation however it is likely
			// to be very rare.
			return false
		}
		if v.Op.SymEffect()&SymAddr != 0 {
			// This case prevents an operation that calculates the
			// address of a local variable from being forced to schedule
			// before its corresponding VarDef.
			// See issue 28445.
			//   v1 = LOAD ...