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techmap: Add -dont_map for selective disabling of rules #4775

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merged 2 commits into from
Dec 3, 2024

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@povik povik commented Nov 27, 2024

What are the reasons/motivation for this change?

Preserving operator boundaries requires leaving some cells unmapped at first. That can be accomplished by commenting out the relevant section of the mapping rule file, but an explicit argument to techmap is a more elegant solution.

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@povik povik merged commit 384c191 into YosysHQ:main Dec 3, 2024
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