Initial commit of OpenSPARC T2 design and verification files.

[OpenSPARC-T2-DV] / libs / tisram / soc / n2_l2t_sp_28kb_cust_l / n2_l2t_sp_28kb_cust / rtl / n2_l2t_cmp_3bx2.v

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// 
// OpenSPARC T2 Processor File: n2_l2t_cmp_3bx2.v
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module n2_l2t_cmp_3bx2 (
  sao_mx1_h, 
  sao_mx1_l, 
  sao_mx0_h, 
  sao_mx0_l, 
  lkuptag_d1, 
  l1clk_d, 
  w1_cmp3b, 
  w0_cmp3b) ;


	input 	[2:0]	sao_mx1_h;
	input 	[2:0]	sao_mx1_l;
	input 	[2:0]	sao_mx0_h;
	input 	[2:0]	sao_mx0_l;
	input 	[2:0]	lkuptag_d1;
	input           l1clk_d;
	output          w1_cmp3b;
	output	        w0_cmp3b;

reg w1_cmp3b;
reg w0_cmp3b;

//Compare ouput is 0 for match and 1 for mismatch

	always @(l1clk_d or sao_mx1_h or sao_mx1_l or sao_mx0_h or sao_mx0_l or lkuptag_d1) 

	if (l1clk_d) // Precharge mode
           begin
             w1_cmp3b = 1'b0;
             w0_cmp3b = 1'b0;
           end		   
        else 	
	if (~l1clk_d ) // Evaluation mode 
	   begin 
	     w1_cmp3b = (lkuptag_d1[2] && sao_mx1_l[2]) || (~lkuptag_d1[2] && sao_mx1_h[2]) ||
	                (lkuptag_d1[1] && sao_mx1_l[1]) || (~lkuptag_d1[1] && sao_mx1_h[1]) ||
	                (lkuptag_d1[0] && sao_mx1_l[0]) || (~lkuptag_d1[0] && sao_mx1_h[0]);
			
	     w0_cmp3b = (lkuptag_d1[2] && sao_mx0_l[2]) || (~lkuptag_d1[2] && sao_mx0_h[2]) ||
	                (lkuptag_d1[1] && sao_mx0_l[1]) || (~lkuptag_d1[1] && sao_mx0_h[1]) ||
	                (lkuptag_d1[0] && sao_mx0_l[0]) || (~lkuptag_d1[0] && sao_mx0_h[0]);
           end
 
endmodule // n2_l2t_cmp_3bx2