genOp,
		genAllocators,
	}
	for _, a := range archs {
		a := a // the funcs are ran concurrently at a later time
		tasks = append(tasks, func() {
			genRules(a)
			genSplitLoadRules(a)
			genLateLowerRules(a)
		})
	}
	var wg sync.WaitGroup
	for _, task := range tasks {
		task := task
		wg.Add(1)
		go func() {
			task()
			wg.Done()
		}()
	}
	wg.Wait()

		match = normalizeSpaces(match[:i])
	}
	return match, cond, result
}

func genRules(arch arch)          { genRulesSuffix(arch, "") }
func genSplitLoadRules(arch arch) { genRulesSuffix(arch, "splitload") }
func genLateLowerRules(arch arch) { genRulesSuffix(arch, "latelower") }

func genRulesSuffix(arch arch, suff string) {
	// Open input file.
	text, err := os.Open(arch.name + suff + ".rules")
	if err != nil {
		if suff == "" {