caiyu/nextpnr
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4 Commits

Author SHA1 Message Date
Alessandro Comodi
b65dbd5c9e interchange: clusters: always get cell bel map and add asserts 
Signed-off-by: Alessandro Comodi <acomodi@antmicro.com>
 2021-06-11 11:19:01 +02:00
Alessandro Comodi
64b45848d7 interchange: run clang formatter 
Signed-off-by: Alessandro Comodi <acomodi@antmicro.com>
 2021-06-11 11:19:01 +02:00
Alessandro Comodi
d72c10cb6c interchange: clusters: adjust comments 
Signed-off-by: Alessandro Comodi <acomodi@antmicro.com>
 2021-06-11 11:19:01 +02:00
Alessandro Comodi
104536b7aa interchange: add support for generating BEL clusters 
Clustering greatly helps the placer to identify and pack together
specific cells at the same site (e.g. LUT+FF), or cells that are chained through
dedicated interconnections (e.g. CARRY CHAINS)

Signed-off-by: Alessandro Comodi <acomodi@antmicro.com>
 2021-06-11 11:19:01 +02:00