Quartus® Prime Pro Edition Settings File Reference Manual

ID 683296
Date 4/11/2025
Public

Visible to Intel only — GUID: fja1528324484275

Ixiasoft

Document Table of Contents

1.3.48. IGNORE_CARRY_BUFFERS

Ignores CARRY_SUM buffers that are instantiated in the design. The Ignore CARRY Buffers option is ignored if it is applied to anything other than an individual CARRY_SUM buffer or to a design entity containing CARRY_SUM buffers. (This option also applies to MAX+PLUS II-style CARRY buffers.)

Type

Boolean

Device Support

  • This setting can be used in projects targeting any Intel FPGA device family.

Notes

This assignment is included in the Analysis & Synthesis report.

This assignment supports synthesis wildcards.

Syntax

		set_global_assignment -name IGNORE_CARRY_BUFFERS <value>
		set_global_assignment -name IGNORE_CARRY_BUFFERS -entity <entity name> <value>
		set_instance_assignment -name IGNORE_CARRY_BUFFERS -to <to> -entity <entity name> <value>
	

Default Value

Off

Example

		set_global_assignment -name ignore_carry_buffers on
		set_instance_assignment -name ignore_carry_buffers on -to foo