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Merge pull request #1620 from YosysHQ/eddie/abc9_scratchpad

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abc9: add some scripts/options into "scratchpad"
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Eddie Hung 2020-01-13 09:04:20 -08:00 • committed by GitHub
commit ca2f3db53f
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6 changed files with 147 additions and 36 deletions
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tests/techmap/abc9.ys Normal file
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read_verilog <<EOT
`define N 256
module top(input [`N-1:0] a, output o);
wire [`N-2:0] w;
assign w[0] = a[0] & a[1];
genvar i;
generate for (i = 1; i < `N-1; i++)
assign w[i] = w[i-1] & a[i+1];
endgenerate
assign o = w[`N-2];
endmodule
EOT
simplemap
dump
design -save gold
abc9 -lut 4
design -load gold
abc9 -lut 4 -fast
design -load gold
scratchpad -copy abc9.script.default.area abc9.script
abc9 -lut 4
design -load gold
scratchpad -copy abc9.script.default.fast abc9.script
abc9 -lut 4
design -load gold
scratchpad -copy abc9.script.flow abc9.script
abc9 -lut 4
design -load gold
scratchpad -copy abc9.script.flow2 abc9.script
abc9 -lut 4
design -load gold
scratchpad -copy abc9.script.flow3 abc9.script
abc9 -lut 4