[Benchmark] Add new benchmark 2-clock version of and2_latch as an essential test for multi-clock FPGAs

openfpga_flow/benchmarks/micro_benchmark/and2_latch_2clock/and2_latch_2clock.v

@@ -0,0 +1,49 @@
+/////////////////////////////////////////
+//  Functionality: Two 2-input AND with clocked 
+//                 and combinational outputs
+//                 Each of which are controlled by different clocks
+//  Author:        Xifan Tang
+////////////////////////////////////////
+
+`timescale 1ns / 1ps
+
+module and2_latch_2clock(
+  a0,
+  b0,
+  clk0,
+  a1,
+  b1,
+  clk1,
+  c0,
+  d0,
+  c1,
+  d1);
+
+input wire clk0;
+
+input wire a0;
+input wire b0;
+output wire c0;
+output reg d0;
+
+input wire clk1;
+
+input wire a1;
+input wire b1;
+output wire c1;
+output reg d1;
+
+
+assign c0 = a0 & b0;
+
+always @(posedge clk0) begin
+  d0 <= c0;
+end
+
+assign c1 = a1 & b1;
+
+always @(posedge clk1) begin
+  d1 <= c1;
+end
+
+endmodule