Intel® Quartus® Prime Pro Edition Settings File Reference Manual

ID 683296
Date 4/03/2023
Public

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Document Table of Contents

ALLOW_SHIFT_REGISTER_MERGING_ACROSS_HIERARCHIES

Allows the Compiler to take shift registers from different hierarchies of the design and put them in the same RAM.

Type

Enumeration

Values

  • Always
  • Auto
  • Off

Device Support

  • Intel Agilex® 7
  • Intel® Arria® 10
  • Intel® Cyclone® 10 GX
  • Intel® Stratix® 10

Notes

This assignment is included in the Analysis & Synthesis report.

This assignment supports synthesis wildcards.

Syntax

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

Default Value

Auto

Example

set_global_assignment -name allow_shift_register_merging_across_hierarchies off
set_instance_assignment -name allow_shift_register_merging_across_hierarchies off -to foo

See Also

Auto Shift Register Replacement