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Merge pull request #969 from YosysHQ/clifford/pmgenstuff

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Improve pmgen, Add "peepopt" pass with shift-mul pattern
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Clifford Wolf 2019-05-03 20:39:50 +02:00 • committed by GitHub
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module peepopt_shiftmul_0 #(parameter N=3, parameter W=3) (input [N*W-1:0] i, input [$clog2(N)-1:0] s, output [W-1:0] o);
assign o = i[s*W+:W];
endmodule
module peepopt_muldiv_0(input [1:0] i, output [1:0] o);
wire [3:0] t;
assign t = i * 3;
assign o = t / 3;
endmodule