diff options
Diffstat (limited to 'techlibs')
| -rw-r--r-- | techlibs/common/simlib.v | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/techlibs/common/simlib.v b/techlibs/common/simlib.v index f16bd6bd2..d0feadd81 100644 --- a/techlibs/common/simlib.v +++ b/techlibs/common/simlib.v @@ -1160,12 +1160,34 @@ module \$assert (A, EN); input A, EN; +`ifndef SIMLIB_NOCHECKS always @* begin if (A !== 1'b1 && EN === 1'b1) begin $display("Assertation failed!"); - $finish; + $stop; + end +end +`endif + +endmodule + +// -------------------------------------------------------- + +module \$equiv (A, B, Y); + +input A, B; +output Y; + +assign Y = (A !== 1'bx && A !== B) ? 1'bx : A; + +`ifndef SIMLIB_NOCHECKS +always @* begin + if (A !== 1'bx && A !== B) begin + $display("Equivalence failed!"); + $stop; end end +`endif endmodule |