Altera Quartus II Settings File - Manual (Page 178)

SYNTH_PROTECT_SDC_CONSTRAINT
Causes SDC constraint checking in register merging. It helps to maintain the validity of SDC constraints
through compilation.
Type
Boolean
Device Support
This setting can be used in projects targeting any Altera device family.
Notes
This assignment is included in the Analysis & Synthesis report.
Syntax
set_global_assignment -name SYNTH_PROTECT_SDC_CONSTRAINT <value>
Default Value
Off
Example
set_global_assignment -name synth_protect_sdc_constraint on
178 SYNTH_PROTECT_SDC_CONSTRAINT
MNL-Q21005
2015.05.04
Altera Corporation Quartus Settings File Reference Manual
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