}
	if op == OpArgIntReg {
		reg := v.Block.Func.Config.intParamRegs[v.AuxInt8()]
		return regInfo{outputs: []outputInfo{{regs: 1 << uint(reg)}}}
	}
	if op == OpArgFloatReg {
		reg := v.Block.Func.Config.floatParamRegs[v.AuxInt8()]
		return regInfo{outputs: []outputInfo{{regs: 1 << uint(reg)}}}
	}
	if op.IsCall() {