21.8.56 set_disable_timing

Description

Disables timing arcs within a cell (instance) and returns the ID of the created constraint if the command succeeded. To specify a Disable Timing constraint, open the Set Constraint to Disable Timing Arcs dialog box in the following way: From the Constraints menu, click Disable Timing.
Note: This constraint is for the Place and Route tool and the Verify Timing tool. It is ignored by the Synthesis tool.
set_disable_timing -from value -to value name

Arguments

ParameterTypeDescription
fromstringSpecifies the starting point for the timing arc. The -from and -to arguments must either both be present or both omitted for the constraint to be valid.
tostringSpecifies the ending point for the timing arc. The -from and -to arguments must either both be present or both omitted for the constraint to be valid.
namestringSpecifies the instance(cell) name for which the disable timing arc constraint will be created.
Return TypeDescription
integerReturns the ID of created constraint.

Error Codes

Error CodeDescription
NoneRequired parameter _AtclParam0_ is missing.

Supported Families

PolarFire®
PolarFire SoC
SmartFusion® 2
IGLOO® 2
RTG4

Example

The following example disables timing arcs within A to Y.

set_disable_timing -from A -to Y

Related Examples on GitHub

See Also