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* xilinx: do not make DSP48E1 a whitebox for ABC9 by default (#2325)Eddie Hung2020-09-231-0/+1
| | | | | | | | | | | * xilinx: eliminate SCCs from DSP48E1 model * xilinx: add SCC test for DSP48E1 * Update techlibs/xilinx/cells_sim.v * xilinx: Gate DSP48E1 being a whitebox behind ALLOW_WHITEBOX_DSP48E1 Have a test that checks it works through ABC9 when enabled
* xilinx: Support multiplier mapping for all families.Marcin Kościelnicki2019-10-221-0/+49
This supports several older families that are not yet supported for actual logic synthesis — the intention is to add them soon.