Altera® Quartus® Prime Standard Edition Settings File Reference Manual

ID 683084
Date 5/08/2017
Public
Document Table of Contents

1.2.115. PRESERVE_FANOUT_FREE_NODE

Prevents a register that has no fan-out from being removed during synthesis.

Type

Boolean

Device Support

  • Arria 10
  • Arria GX
  • Arria II GX
  • Arria II GZ
  • Arria V
  • Arria V GZ
  • Cyclone 10 LP
  • Cyclone II
  • Cyclone III
  • Cyclone III LS
  • Cyclone IV E
  • Cyclone IV GX
  • Cyclone V
  • HardCopy II
  • HardCopy III
  • HardCopy IV
  • MAX 10
  • Stratix II
  • Stratix II GX
  • Stratix III
  • Stratix IV
  • Stratix V

Notes

None

Syntax


		set_instance_assignment -name PRESERVE_FANOUT_FREE_NODE -to <to> -entity <entity name> <value>
	

Example


		set_instance_assignment -name preserve_fanout_free_node on -to reg