mirror of https://github.com/YosysHQ/yosys.git
Fix SB_DFF comb model
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0919f36b88
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@ -143,7 +143,7 @@ module SB_DFF ((* abc_flop_q *) output `SB_DFF_REG, input C, (* abc_flop_d *) in
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always @(posedge C)
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Q <= D;
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`else
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assign Q = D;
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always @* Q = D;
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`endif
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endmodule
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@ -240,7 +240,7 @@ struct SynthIce40Pass : public ScriptPass
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{
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if (check_label("begin"))
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{
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run("read_verilog -wb +/ice40/cells_sim.v");
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run("read_verilog -wb -D ABC_FLOPS +/ice40/cells_sim.v");
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run(stringf("hierarchy -check %s", help_mode ? "-top <top>" : top_opt.c_str()));
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run("proc");
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}
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@ -293,7 +293,7 @@ struct SynthIce40Pass : public ScriptPass
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run("techmap");
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else
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run("techmap -map +/techmap.v -map +/ice40/arith_map.v");
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if (retime || help_mode)
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if ((retime || help_mode) && abc != "abc9")
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run(abc + " -dff", "(only if -retime)");
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run("ice40_opt");
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}
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