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Altera_Forum
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13 years ago

object assigned a value but never read - does this effect synthesis?

Hello, I have the following small module which is intended to store the value 0xFF in a register when a button is pressed. module connector_test(button, txd); input button; output reg t...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

I notice a possible misunderstanding. "noprune" is said to preserve registers with no fanout. data isn't a register, it's a (group of) combinational logic cell(s).

I did my previous test with real registers, and they worked well.