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Diffstat (limited to 'tests/various/muxpack.v')
| -rw-r--r-- | tests/various/muxpack.v | 138 |
1 files changed, 0 insertions, 138 deletions
diff --git a/tests/various/muxpack.v b/tests/various/muxpack.v deleted file mode 100644 index f1bd5ea8e..000000000 --- a/tests/various/muxpack.v +++ /dev/null @@ -1,138 +0,0 @@ -module mux_if_unbal_4_1 #(parameter N=4, parameter W=1) (input [N*W-1:0] i, input [$clog2(N)-1:0] s, output reg [W-1:0] o); -always @* - if (s == 0) o <= i[0*W+:W]; - else if (s == 1) o <= i[1*W+:W]; - else if (s == 2) o <= i[2*W+:W]; - else if (s == 3) o <= i[3*W+:W]; - else o <= {W{1'bx}}; -endmodule - -module mux_if_unbal_5_3 #(parameter N=5, parameter W=3) (input [N*W-1:0] i, input [$clog2(N)-1:0] s, output reg [W-1:0] o); -always @* begin - o <= {W{1'bx}}; - if (s == 0) o <= i[0*W+:W]; - if (s == 1) o <= i[1*W+:W]; - if (s == 2) o <= i[2*W+:W]; - if (s == 3) o <= i[3*W+:W]; - if (s == 4) o <= i[4*W+:W]; -end -endmodule - -module mux_if_unbal_5_3_invert #(parameter N=5, parameter W=3) (input [N*W-1:0] i, input [$clog2(N)-1:0] s, output reg [W-1:0] o); -always @* - if (s != 0) - if (s != 1) - if (s != 2) - if (s != 3) - if (s != 4) o <= i[4*W+:W]; - else o <= i[0*W+:W]; - else o <= i[3*W+:W]; - else o <= i[2*W+:W]; - else o <= i[1*W+:W]; - else o <= {W{1'bx}}; -endmodule - -module mux_if_unbal_5_3_width_mismatch #(parameter N=5, parameter W=3) (input [N*W-1:0] i, input [$clog2(N)-1:0] s, output reg [W-1:0] o); -always @* begin - o <= {W{1'bx}}; - if (s == 0) o <= i[0*W+:W]; - if (s == 1) o <= i[1*W+:W]; - if (s == 2) o[W-2:0] <= i[2*W+:W-1]; - if (s == 3) o <= i[3*W+:W]; - if (s == 4) o <= i[4*W+:W]; -end -endmodule - -module mux_if_unbal_4_1_missing #(parameter N=5, parameter W=3) (input [N*W-1:0] i, input [$clog2(N)-1:0] s, output reg [W-1:0] o); -always @* begin - if (s == 0) o <= i[0*W+:W]; -// else if (s == 1) o <= i[1*W+:W]; -// else if (s == 2) o <= i[2*W+:W]; - else if (s == 3) o <= i[3*W+:W]; - else o <= {W{1'bx}}; -end -endmodule - -module mux_if_unbal_5_3_order #(parameter N=5, parameter W=3) (input [N*W-1:0] i, input [$clog2(N)-1:0] s, output reg [W-1:0] o); -always @* begin - o <= {W{1'bx}}; - if (s == 3) o <= i[3*W+:W]; - if (s == 2) o <= i[2*W+:W]; - if (s == 1) o <= i[1*W+:W]; - if (s == 4) o <= i[4*W+:W]; - if (s == 0) o <= i[0*W+:W]; -end -endmodule - -module mux_if_unbal_4_1_nonexcl #(parameter N=4, parameter W=1) (input [N*W-1:0] i, input [$clog2(N)-1:0] s, output reg [W-1:0] o); -always @* - if (s == 0) o <= i[0*W+:W]; - else if (s == 1) o <= i[1*W+:W]; - else if (s == 2) o <= i[2*W+:W]; - else if (s == 3) o <= i[3*W+:W]; - else if (s == 0) o <= {W{1'b0}}; - else o <= {W{1'bx}}; -endmodule - -module mux_if_unbal_5_3_nonexcl #(parameter N=5, parameter W=3) (input [N*W-1:0] i, input [$clog2(N)-1:0] s, output reg [W-1:0] o); -always @* begin - o <= {W{1'bx}}; - if (s == 0) o <= i[0*W+:W]; - if (s == 1) o <= i[1*W+:W]; - if (s == 2) o <= i[2*W+:W]; - if (s == 3) o <= i[3*W+:W]; - if (s == 4) o <= i[4*W+:W]; - if (s == 0) o <= i[2*W+:W]; -end -endmodule - -module mux_case_unbal_8_7#(parameter N=8, parameter W=7) (input [N*W-1:0] i, input [$clog2(N)-1:0] s, output reg [W-1:0] o); -always @* begin - o <= {W{1'bx}}; - case (s) - 0: o <= i[0*W+:W]; - default: - case (s) - 1: o <= i[1*W+:W]; - 2: o <= i[2*W+:W]; - default: - case (s) - 3: o <= i[3*W+:W]; - 4: o <= i[4*W+:W]; - 5: o <= i[5*W+:W]; - default: - case (s) - 6: o <= i[6*W+:W]; - default: o <= i[7*W+:W]; - endcase - endcase - endcase - endcase -end -endmodule - -module mux_if_bal_8_2 #(parameter N=8, parameter W=2) (input [N*W-1:0] i, input [$clog2(N)-1:0] s, output reg [W-1:0] o); -always @* - if (s[0] == 1'b0) - if (s[1] == 1'b0) - if (s[2] == 1'b0) - o <= i[0*W+:W]; - else - o <= i[1*W+:W]; - else - if (s[2] == 1'b0) - o <= i[2*W+:W]; - else - o <= i[3*W+:W]; - else - if (s[1] == 1'b0) - if (s[2] == 1'b0) - o <= i[4*W+:W]; - else - o <= i[5*W+:W]; - else - if (s[2] == 1'b0) - o <= i[6*W+:W]; - else - o <= i[7*W+:W]; -endmodule |