log.Fatalf("%s: input[1] and output[0] must use the same registers for %s", a.name, v.name)
				}
			}
			if v.resultNotInArgs {
				fmt.Fprintln(w, "resultNotInArgs: true,")
			}
			if v.clobberFlags {
				fmt.Fprintln(w, "clobberFlags: true,")
			}
			if v.needIntTemp {
				fmt.Fprintln(w, "needIntTemp: true,")
			}
			if v.call {
				fmt.Fprintln(w, "call: true,")
			}
			if v.tailCall {

		// function calls
		{name: "CALLstatic", argLength: -1, reg: regInfo{clobbers: callerSave}, aux: "CallOff", clobberFlags: true, call: true},                                               // call static function aux.(*obj.LSym).  last arg=mem, auxint=argsize, returns mem

	resultInArg0      bool      // (first, if a tuple) output of v and v.Args[0] must be allocated to the same register
	resultNotInArgs   bool      // outputs must not be allocated to the same registers as inputs
	clobberFlags      bool      // this op clobbers flags register
	needIntTemp       bool      // need a temporary free integer register
	call              bool      // is a function call
	tailCall          bool      // is a tail call

		// Returns a pointer to a write barrier buffer in X24.
		{name: "LoweredWB", argLength: 1, reg: regInfo{clobbers: (callerSave &^ (gpMask | regNamed["g"])) | regNamed["X1"], outputs: []regMask{regNamed["X24"]}}, clobberFlags: true, aux: "Int64"},

		// Do data barrier. arg0=memorys
		{name: "LoweredPubBarrier", argLength: 1, asm: "FENCE", hasSideEffects: true},