Quartus® Prime Pro Edition Settings File Reference Manual
Visible to Intel only — GUID: yro1528324494348
Ixiasoft
Visible to Intel only — GUID: yro1528324494348
Ixiasoft
1.3.78. PRESERVE_REGISTER
Prevents a register from minimizing away during synthesis and prevents sequential netlist optimizations. Sequential netlist optimizations can eliminate redundant registers and registers with constant drivers.
Type
Boolean
Device Support
- This setting can be used in projects targeting any Intel FPGA device family.
Notes
This assignment supports Fitter wildcards.
This assignment supports synthesis wildcards.
Syntax
set_global_assignment -name PRESERVE_REGISTER -entity <entity name> <value> set_instance_assignment -name PRESERVE_REGISTER -to <to> -entity <entity name> <value>
Example
set_instance_assignment -name preserve_register on -to foo