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Remove sequential extension

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This commit is contained in:
Eddie Hung 2019-08-20 18:16:37 -07:00
parent bbab608691
commit 091bf4a18b
9 changed files with 68 additions and 730 deletions
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24
techlibs/xilinx/cells_sim.v
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@ -211,7 +211,8 @@ endmodule
`endif
module FDRE (output reg Q, input C, CE, D, R);
module FDRE ((* abc_arrival=303 *) output reg Q,
input C, CE, D, R);
parameter [0:0] INIT = 1'b0;
parameter [0:0] IS_C_INVERTED = 1'b0;
parameter [0:0] IS_D_INVERTED = 1'b0;
@ -223,7 +224,8 @@ module FDRE (output reg Q, input C, CE, D, R);
endcase endgenerate
endmodule
module FDSE (output reg Q, input C, CE, D, S);
module FDSE ((* abc_arrival=303 *) output reg Q,
input C, CE, D, S);
parameter [0:0] INIT = 1'b1;
parameter [0:0] IS_C_INVERTED = 1'b0;
parameter [0:0] IS_D_INVERTED = 1'b0;
@ -235,7 +237,8 @@ module FDSE (output reg Q, input C, CE, D, S);
endcase endgenerate
endmodule
module FDCE (output reg Q, input C, CE, D, CLR);
module FDCE ((* abc_arrival=303 *) output reg Q,
input C, CE, D, CLR);
parameter [0:0] INIT = 1'b0;
parameter [0:0] IS_C_INVERTED = 1'b0;
parameter [0:0] IS_D_INVERTED = 1'b0;
@ -249,7 +252,8 @@ module FDCE (output reg Q, input C, CE, D, CLR);
endcase endgenerate
endmodule
module FDPE (output reg Q, input C, CE, D, PRE);
module FDPE ((* abc_arrival=303 *) output reg Q,
input C, CE, D, PRE);
parameter [0:0] INIT = 1'b1;
parameter [0:0] IS_C_INVERTED = 1'b0;
parameter [0:0] IS_D_INVERTED = 1'b0;
@ -263,25 +267,29 @@ module FDPE (output reg Q, input C, CE, D, PRE);
endcase endgenerate
endmodule
module FDRE_1 (output reg Q, input C, CE, D, R);
module FDRE_1 ((* abc_arrival=303 *) output reg Q,
input C, CE, D, R);
parameter [0:0] INIT = 1'b0;
initial Q <= INIT;
always @(negedge C) if (R) Q <= 1'b0; else if(CE) Q <= D;
endmodule
module FDSE_1 (output reg Q, input C, CE, D, S);
module FDSE_1 ((* abc_arrival=303 *) output reg Q,
input C, CE, D, S);
parameter [0:0] INIT = 1'b1;
initial Q <= INIT;
always @(negedge C) if (S) Q <= 1'b1; else if(CE) Q <= D;
endmodule
module FDCE_1 (output reg Q, input C, CE, D, CLR);
module FDCE_1 ((* abc_arrival=303 *) output reg Q,
input C, CE, D, CLR);
parameter [0:0] INIT = 1'b0;
initial Q <= INIT;
always @(negedge C, posedge CLR) if (CLR) Q <= 1'b0; else if (CE) Q <= D;
endmodule
module FDPE_1 (output reg Q, input C, CE, D, PRE);
module FDPE_1 ((* abc_arrival=303 *) output reg Q,
input C, CE, D, PRE);
parameter [0:0] INIT = 1'b1;
initial Q <= INIT;
always @(negedge C, posedge PRE) if (PRE) Q <= 1'b1; else if (CE) Q <= D;