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Merge remote-tracking branch 'origin/master' into xaig_dff

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Eddie Hung 2019-12-30 14:31:42 -08:00
commit 405e974fe5
42 changed files with 1727 additions and 207 deletions
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6
techlibs/xilinx/cells_sim.v
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@ -2107,7 +2107,7 @@ always @* begin
2'b00: XMUX <= 0;
2'b01: XMUX <= M;
2'b10: XMUX <= P;
2'b11: XMUX <= {D_OUT[11:0], B1_OUT, A1_OUT};
2'b11: XMUX <= {D_OUT[11:0], A1_OUT, B1_OUT};
default: XMUX <= 48'hxxxxxxxxxxxx;
endcase
end
@ -2125,8 +2125,8 @@ end
// The post-adder.
wire signed [48:0] X_EXT;
wire signed [48:0] Z_EXT;
assign X_EXT = XMUX;
assign Z_EXT = ZMUX;
assign X_EXT = {1'b0, XMUX};
assign Z_EXT = {1'b0, ZMUX};
assign {CARRYOUT_IN, P_IN} = OPMODE_OUT[7] ? (Z_EXT - (X_EXT + CARRYIN_OUT)) : (Z_EXT + X_EXT + CARRYIN_OUT);
// Cascade outputs.