| module test ( | |
| input EN, CLK, | |
| input [3:0] D, | |
| output reg [3:0] Q | |
| ); | |
| always @(posedge CLK) | |
| if (EN) Q <= D; | |
| specify | |
| `ifndef SKIP_UNSUPPORTED_IGN_PARSER_CONSTRUCTS | |
| if (EN) (posedge CLK *> (Q : D)) = (1, 2:3:4); | |
| $setup(D, posedge CLK &&& EN, 5); | |
| $hold(posedge CLK, D &&& EN, 6); | |
| `endif | |
| endspecify | |
| endmodule | |
| module test2 ( | |
| input A, B, | |
| output Q | |
| ); | |
| xor (Q, A, B); | |
| specify | |
| //specparam T_rise = 1; | |
| //specparam T_fall = 2; | |
| `define T_rise 1 | |
| `define T_fall 2 | |
| (A => Q) = (`T_rise,`T_fall); | |
| //(B => Q) = (`T_rise+`T_fall)/2.0; | |
| (B => Q) = 1.5; | |
| endspecify | |
| endmodule | |
| module issue01144(input clk, d, output q); | |
| specify | |
| (posedge clk => (q +: d)) = (3,1); | |
| (posedge clk *> (q +: d)) = (3,1); | |
| endspecify | |
| endmodule |