We are lookiing at this for 2.2, but remember that the Vivado constraint files are TCL and thus can be "included" by one another.

A platform has a default constraint file, and platform configurations and HDL containers can also indicate constraint files.

But there is only one used to build the bitstream at this point.

On 3/15/21 11:09 PM, Brian Padalino wrote:

Are multiple HDL constraints files (xdc files for Vivado) supported?

I want to have my IO fixed and placed, but have a different xdc for timing based on what I am building.

Is this supported, or should I just put everything into a single xdc file?

Thanks,

Brian
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