Quartus II Settings File Reference Manual - Altera

4–14 Chapter 4: Analysis & Synthesis Assignments
ALLOW_SHIFT_REGISTER_MERGING_ACROSS_HIERARCHIES
■ MAX II
■ MAX V
■ Stratix
■ Stratix GX
■ Stratix II
■ Stratix II GX
■ Stratix III
■ Stratix IV
■ Stratix V
Notes
This assignment is included in the Analysis & Synthesis report.
This assignment supports wildcards.
Syntax
set_global_assignment -name
ALLOW_SHIFT_REGISTER_MERGING_ACROSS_HIERARCHIES
set_global_assignment -name
ALLOW_SHIFT_REGISTER_MERGING_ACROSS_HIERARCHIES -entity
set_instance_assignment -name
ALLOW_SHIFT_REGISTER_MERGING_ACROSS_HIERARCHIES -to -entity
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
Default Value
Auto
Quartus Settings File June 2012 Altera Corporation
Reference Manual