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authorYRabbit <rabbit@yrabbit.cyou>2021-08-31 07:36:11 +1000
committerYRabbit <rabbit@yrabbit.cyou>2021-08-31 07:36:11 +1000
commit23a5e9185887758e7d5fd83fe49686aaa5783896 (patch)
tree5332e0cf993a7173ed578ab4b3160ffb0e36c4ae /ecp5/pio.cc
parent0e83db47a067b55f45567c89a08af470196a18e7 (diff)
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gowin: Add constraints on primitive placement.
Added support for the INS_LOC instruction in the constraints file (.CST), which is used to specify object placement. Expanded treatment of IO_LOC/IO_PORT constraints, which now can be applied to both ports and IO buffers. Port constraints have priority. Signed-off-by: YRabbit <rabbit@yrabbit.cyou>
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