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authorEddie Hung <eddie@fpgeh.com>2019-11-19 15:40:39 -0800
committerEddie Hung <eddie@fpgeh.com>2019-11-19 15:40:39 -0800
commit09ee96e8c22ec692ee3ee31b8c211646eabbcf27 (patch)
tree8b24dad9db0013ee3db20326b00941bd2abb10d1 /tests/arch/ice40/ice40_opt.ys
parent304e5f9ea45b8a4e2a28aba7f2820d1862377fef (diff)
parent7ea0a5937ba2572f6d9d62e73e24df480c49561d (diff)
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Merge remote-tracking branch 'origin/master' into xaig_dff
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+read_verilog -icells -formal <<EOT
+module top(input CI, I0, output [1:0] CO, output O);
+ wire A = 1'b0, B = 1'b0;
+ \$__ICE40_CARRY_WRAPPER #(
+ // A[0]: 1010 1010 1010 1010
+ // A[1]: 1100 1100 1100 1100
+ // A[2]: 1111 0000 1111 0000
+ // A[3]: 1111 1111 0000 0000
+ .LUT(~16'b 0110_1001_1001_0110)
+ ) u0 (
+ .A(A),
+ .B(B),
+ .CI(CI),
+ .I0(I0),
+ .I3(CI),
+ .CO(CO[0]),
+ .O(O)
+ );
+ SB_CARRY u1 (.I0(~A), .I1(~B), .CI(CI), .CO(CO[1]));
+endmodule
+EOT
+
+equiv_opt -assert -map +/ice40/cells_map.v -map +/ice40/cells_sim.v ice40_opt
+design -load postopt
+select -assert-count 1 t:*
+select -assert-count 1 t:$lut