Line 39... |
Line 39... |
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module DFPAddsub_tb();
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module DFPAddsub_tb();
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reg rst;
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reg rst;
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reg clk;
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reg clk;
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reg [15:0] adr;
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reg [15:0] adr;
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reg [127:0] a,b;
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reg [151:0] a,b;
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wire [127:0] o;
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wire [151:0] o;
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reg [127:0] ad,bd;
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reg [151:0] ad,bd;
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reg [127:0] od;
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reg [151:0] od;
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reg [3:0] rm;
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reg [3:0] rm;
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integer n;
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integer n;
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reg [127:0] a1, b1;
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reg [151:0] a1, b1;
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wire [63:0] doubleA = {a[31], a[30], {3{~a[30]}}, a[29:23], a[22:0], {29{1'b0}}};
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wire [63:0] doubleA = {a[31], a[30], {3{~a[30]}}, a[29:23], a[22:0], {29{1'b0}}};
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wire [63:0] doubleB = {b[31], b[30], {3{~b[30]}}, b[29:23], b[22:0], {29{1'b0}}};
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wire [63:0] doubleB = {b[31], b[30], {3{~b[30]}}, b[29:23], b[22:0], {29{1'b0}}};
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integer outfile;
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integer outfile;
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Line 69... |
Line 69... |
always #5
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always #5
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clk = ~clk;
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clk = ~clk;
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genvar g;
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genvar g;
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generate begin : gRand
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generate begin : gRand
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for (g = 0; g < 128; g = g + 4) begin
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for (g = 0; g < 152; g = g + 4) begin
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always @(posedge clk) begin
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always @(posedge clk) begin
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a1[g+3:g] <= $urandom() % 10;
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a1[g+3:g] <= $urandom() % 10;
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b1[g+3:g] <= $urandom() % 10;
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b1[g+3:g] <= $urandom() % 10;
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end
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end
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end
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end
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Line 94... |
Line 94... |
end
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end
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count <= count + 1;
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count <= count + 1;
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if (count > 32)
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if (count > 32)
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count <= 1'd1;
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count <= 1'd1;
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if (count==2) begin
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if (count==2) begin
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a[127:0] <= a1;
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a <= a1;
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b[127:0] <= b1;
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b <= b1;
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a[127:124] <= 4'h5;
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a[151:148] <= 4'h5;
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b[127:124] <= 4'h5;
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b[151:148] <= 4'h5;
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rm <= adr[14:12];
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rm <= adr[14:12];
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//ad <= memd[adr][63: 0];
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//ad <= memd[adr][63: 0];
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//bd <= memd[adr][127:64];
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//bd <= memd[adr][127:64];
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end
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end
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if (adr==1 && count==2) begin
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if (adr==1 && count==2) begin
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a <= 127'h50000700000000000000000000000000;
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a <= 152'h50000700000000000000000000000000000000;
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b <= 127'h50000200000000000000000000000000;
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b <= 152'h50000200000000000000000000000000000000;
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end
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end
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if (adr==2 && count==2) begin
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if (adr==2 && count==2) begin
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a <= 127'h50000900000000000000000000000000;
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a <= 152'h50000900000000000000000000000000000000;
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b <= 127'h50000200000000000000000000000000;
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b <= 152'h50000200000000000000000000000000000000;
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end
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end
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if (adr==3 && count==2) begin
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if (adr==3 && count==2) begin
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a <= 127'h50000000000000000000000000000000;
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a <= 152'h50000000000000000000000000000000000000;
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b <= 127'h50000000000000000000000000000000;
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b <= 152'h50000000000000000000000000000000000000;
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end
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end
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if (count==31) begin
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if (count==31) begin
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if (adr[11]) begin
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if (adr[11]) begin
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$fwrite(outfile, "%c%h\t%h\t%h\t%h\n", "-",rm, a, b, o);
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$fwrite(outfile, "%c%h\t%h\t%h\t%h\n", "-",rm, a, b, o);
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end
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end
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