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`timescale 1ps / 1ps
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`timescale 1ps / 1ps
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module fpu_addsub_tb;
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module fpu_addsub_tb;
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reg clk;
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reg clk;
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reg rst;
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reg rst;
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reg enable;
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reg enable;
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reg fpu_op;
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reg fpu_op;
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reg [1:0]rmode;
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reg [1:0]rmode;
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reg [63:0]opa;
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reg [63:0]opa;
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reg [63:0]opb;
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reg [63:0]opb;
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wire [63:0]out;
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wire [63:0]out;
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wire ready;
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wire ready;
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fpu_addsub UUT (
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fpu_addsub UUT (
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.clk(clk),
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.clk(clk),
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.rst(rst),
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.rst(rst),
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.enable(enable),
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.enable(enable),
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.fpu_op(fpu_op),
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.fpu_op(fpu_op),
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.rmode(rmode),
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.rmode(rmode),
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.opa(opa),
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.opa(opa),
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.opb(opb),
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.opb(opb),
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.out(out),
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.out(out),
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.ready(ready));
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.ready(ready));
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|
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initial
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initial
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begin : STIMUL
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begin : STIMUL
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#0
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#0
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enable = 1'b0;
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enable = 1'b0;
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rst = 1'b1;
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rst = 1'b1;
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#10000;
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#10000;
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enable = 1'b1;
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enable = 1'b1;
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rst = 1'b0;
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rst = 1'b0;
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opa = 64'b0100000000010001010110010001011010000111001010110000001000001100;
|
opa = 64'b0100000000010001010110010001011010000111001010110000001000001100;
|
opb = 64'b0000110000000110111010010011111101011101101000101000001001001100;
|
opb = 64'b0000110000000110111010010011111101011101101000101000001001001100;
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fpu_op = 1'b0;
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fpu_op = 1'b0;
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rmode = 2'b10;
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rmode = 2'b10;
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#10000;
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#10000;
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//inputA:1.6000000000e+001
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//inputA:1.6000000000e+001
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//inputB:1.0000000000e-208
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//inputB:1.0000000000e-208
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opa = 64'b0100000000110000000000000000000000000000000000000000000000000000;
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opa = 64'b0100000000110000000000000000000000000000000000000000000000000000;
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opb = 64'b0001010011000000011100000001101111010101001001111011010010011000;
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opb = 64'b0001010011000000011100000001101111010101001001111011010010011000;
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fpu_op = 1'b1;
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fpu_op = 1'b1;
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rmode = 2'b10;
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rmode = 2'b10;
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#10000;
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#10000;
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//inputA:9.9999999996e-314
|
//inputA:9.9999999996e-314
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//inputB:4.6770000000e+000
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//inputB:4.6770000000e+000
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opa = 64'b0000000000000000000000000000010010110110011010010101010000110010;
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opa = 64'b0000000000000000000000000000010010110110011010010101010000110010;
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opb = 64'b0100000000010010101101010011111101111100111011011001000101101000;
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opb = 64'b0100000000010010101101010011111101111100111011011001000101101000;
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fpu_op = 1'b1;
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fpu_op = 1'b1;
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rmode = 2'b11;
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rmode = 2'b11;
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#10000;
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#10000;
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//inputA:5.3620000000e+003
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//inputA:5.3620000000e+003
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//inputB:1.9999999999e-314
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//inputB:1.9999999999e-314
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opa = 64'b0100000010110100111100100000000000000000000000000000000000000000;
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opa = 64'b0100000010110100111100100000000000000000000000000000000000000000;
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opb = 64'b0000000000000000000000000000000011110001010010000100010000001010;
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opb = 64'b0000000000000000000000000000000011110001010010000100010000001010;
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fpu_op = 1'b0;
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fpu_op = 1'b0;
|
rmode = 2'b10;
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rmode = 2'b10;
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#10000;
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#10000;
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//inputA:5.8000000000e+000
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//inputA:5.8000000000e+000
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//inputB:5.7900000000e+000
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//inputB:5.7900000000e+000
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opa = 64'b0100000000010111001100110011001100110011001100110011001100110011;
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opa = 64'b0100000000010111001100110011001100110011001100110011001100110011;
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opb = 64'b0100000000010111001010001111010111000010100011110101110000101001;
|
opb = 64'b0100000000010111001010001111010111000010100011110101110000101001;
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fpu_op = 1'b1;
|
fpu_op = 1'b1;
|
rmode = 2'b10;
|
rmode = 2'b10;
|
#10000;
|
#10000;
|
opa = 64'b0100000000010001010110010001011010000111001010110000001000001100;
|
opa = 64'b0100000000010001010110010001011010000111001010110000001000001100;
|
opb = 64'b0000110000000110111010010011111101011101101000101000001001001100;
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opb = 64'b0000110000000110111010010011111101011101101000101000001001001100;
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fpu_op = 1'b0;
|
fpu_op = 1'b0;
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rmode = 2'b00;
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rmode = 2'b00;
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#10000;
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#10000;
|
//inputA:-9.4000000000e+035
|
//inputA:-9.4000000000e+035
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//inputB:9.4770000000e+035
|
//inputB:9.4770000000e+035
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opa = 64'b1100011101100110101000010011001010000000011101101111101100010011;
|
opa = 64'b1100011101100110101000010011001010000000011101101111101100010011;
|
opb = 64'b0100011101100110110100001010011011110101101100101001000000100011;
|
opb = 64'b0100011101100110110100001010011011110101101100101001000000100011;
|
fpu_op = 1'b0;
|
fpu_op = 1'b0;
|
rmode = 2'b10;
|
rmode = 2'b10;
|
#10000;
|
#10000;
|
//inputA:-3.6680000000e+000
|
//inputA:-3.6680000000e+000
|
//inputB:9.0007340000e+003
|
//inputB:9.0007340000e+003
|
opa = 64'b1100000000001101010110000001000001100010010011011101001011110010;
|
opa = 64'b1100000000001101010110000001000001100010010011011101001011110010;
|
opb = 64'b0100000011000001100101000101110111110011101101100100010110100010;
|
opb = 64'b0100000011000001100101000101110111110011101101100100010110100010;
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fpu_op = 1'b1;
|
fpu_op = 1'b1;
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rmode = 2'b11;
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rmode = 2'b11;
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#10000;
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#10000;
|
//inputA:4.7700000000e+000
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//inputA:4.7700000000e+000
|
//inputB:-2.5000000000e-003
|
//inputB:-2.5000000000e-003
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opa = 64'b0100000000010011000101000111101011100001010001111010111000010100;
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opa = 64'b0100000000010011000101000111101011100001010001111010111000010100;
|
opb = 64'b1011111101100100011110101110000101000111101011100001010001111011;
|
opb = 64'b1011111101100100011110101110000101000111101011100001010001111011;
|
fpu_op = 1'b0;
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fpu_op = 1'b0;
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rmode = 2'b10;
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rmode = 2'b10;
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#10000;
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#10000;
|
//inputA:7.9500000000e+000
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//inputA:7.9500000000e+000
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//inputB:-7.9433210000e+000
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//inputB:-7.9433210000e+000
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opa = 64'b0100000000011111110011001100110011001100110011001100110011001101;
|
opa = 64'b0100000000011111110011001100110011001100110011001100110011001101;
|
opb = 64'b1100000000011111110001011111010111110000101100101000010100100011;
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opb = 64'b1100000000011111110001011111010111110000101100101000010100100011;
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fpu_op = 1'b1;
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fpu_op = 1'b1;
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rmode = 2'b00;
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rmode = 2'b00;
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#10000;
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#10000;
|
//inputA:8.0260000000e+000
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//inputA:8.0260000000e+000
|
//inputB:1.0000000000e-106
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//inputB:1.0000000000e-106
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opa = 64'b0100000000100000000011010100111111011111001110110110010001011010;
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opa = 64'b0100000000100000000011010100111111011111001110110110010001011010;
|
opb = 64'b0010100111101101010110110101011000010101011101000111011001011011;
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opb = 64'b0010100111101101010110110101011000010101011101000111011001011011;
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fpu_op = 1'b0;
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fpu_op = 1'b0;
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rmode = 2'b10;
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rmode = 2'b10;
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#10000;
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#10000;
|
//inputA:9.9230000000e+001
|
//inputA:9.9230000000e+001
|
//inputB:2.5370000000e-003
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//inputB:2.5370000000e-003
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opa = 64'b0100000001011000110011101011100001010001111010111000010100011111;
|
opa = 64'b0100000001011000110011101011100001010001111010111000010100011111;
|
opb = 64'b0011111101100100110010000111100110000000111101010101110111100110;
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opb = 64'b0011111101100100110010000111100110000000111101010101110111100110;
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fpu_op = 1'b1;
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fpu_op = 1'b1;
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rmode = 2'b11;
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rmode = 2'b11;
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#10000;
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#10000;
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//inputA:1.7179869184e+010
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//inputA:1.7179869184e+010
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//inputB:4.0000000000e-176
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//inputB:4.0000000000e-176
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opa = 64'b0100001000001111111111111111111111111111111111111111111111111111;
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opa = 64'b0100001000001111111111111111111111111111111111111111111111111111;
|
opb = 64'b0001101110000100010000101110010011111011011001110001100101100000;
|
opb = 64'b0001101110000100010000101110010011111011011001110001100101100000;
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fpu_op = 1'b0;
|
fpu_op = 1'b0;
|
rmode = 2'b10;
|
rmode = 2'b10;
|
#10000;
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#10000;
|
//inputA:-2.6800000000e-005
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//inputA:-2.6800000000e-005
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//inputB:-8.5400000000e-013
|
//inputB:-8.5400000000e-013
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opa = 64'b1011111011111100000110100001000111111001111111011000011110000000;
|
opa = 64'b1011111011111100000110100001000111111001111111011000011110000000;
|
opb = 64'b1011110101101110000011000010010111101110000010111101110010010110;
|
opb = 64'b1011110101101110000011000010010111101110000010111101110010010110;
|
fpu_op = 1'b0;
|
fpu_op = 1'b0;
|
rmode = 2'b00;
|
rmode = 2'b00;
|
#10000;
|
#10000;
|
//inputA:-8.5400000000e-013
|
//inputA:-8.5400000000e-013
|
//inputB:INF
|
//inputB:INF
|
opa = 64'b1011110101101110000011000010010111101110000010111101110010010110;
|
opa = 64'b1011110101101110000011000010010111101110000010111101110010010110;
|
opb = 64'b0111111111110000000000000000000000000000000000000000000000000000;
|
opb = 64'b0111111111110000000000000000000000000000000000000000000000000000;
|
fpu_op = 1'b0;
|
fpu_op = 1'b0;
|
rmode = 2'b00;
|
rmode = 2'b00;
|
#10000;
|
#10000;
|
//inputA:-5.6555650000e+006
|
//inputA:-5.6555650000e+006
|
//inputB:-2.3665000000e-001
|
//inputB:-2.3665000000e-001
|
opa = 64'b1100000101010101100100110000001101000000000000000000000000000000;
|
opa = 64'b1100000101010101100100110000001101000000000000000000000000000000;
|
opb = 64'b1011111111001110010010101000110000010101010011001001100001011111;
|
opb = 64'b1011111111001110010010101000110000010101010011001001100001011111;
|
fpu_op = 1'b1;
|
fpu_op = 1'b1;
|
rmode = 2'b11;
|
rmode = 2'b11;
|
#90000;
|
#90000;
|
//Output:4.337000000000001e+000
|
//Output:4.337000000000001e+000
|
if (out==64'h40115916872B020D)
|
if (out==64'h40115916872B020D)
|
$display($time,"ps Answer is correct %h", out);
|
$display($time,"ps Answer is correct %h", out);
|
else
|
else
|
$display($time,"ps Error! out is incorrect %h", out);
|
$display($time,"ps Error! out is incorrect %h", out);
|
#10000;
|
#10000;
|
//Output:1.600000000000000e+001
|
//Output:1.600000000000000e+001
|
if (out==64'h4030000000000000)
|
if (out==64'h4030000000000000)
|
$display($time,"ps Answer is correct %h", out);
|
$display($time,"ps Answer is correct %h", out);
|
else
|
else
|
$display($time,"ps Error! out is incorrect %h", out);
|
$display($time,"ps Error! out is incorrect %h", out);
|
#10000;
|
#10000;
|
//Output:-4.677000000000000e+000
|
//Output:-4.677000000000000e+000
|
if (out==64'hC012B53F7CED9168)
|
if (out==64'hC012B53F7CED9168)
|
$display($time,"ps Answer is correct %h", out);
|
$display($time,"ps Answer is correct %h", out);
|
else
|
else
|
$display($time,"ps Error! out is incorrect %h", out);
|
$display($time,"ps Error! out is incorrect %h", out);
|
#10000;
|
#10000;
|
//Output:5.362000000000001e+003
|
//Output:5.362000000000001e+003
|
if (out==64'h40B4F20000000000)
|
if (out==64'h40B4F20000000000)
|
$display($time,"ps Answer is correct %h", out);
|
$display($time,"ps Answer is correct %h", out);
|
else
|
else
|
$display($time,"ps Error! out is incorrect %h", out);
|
$display($time,"ps Error! out is incorrect %h", out);
|
#10000;
|
#10000;
|
//Output:9.999999999999787e-003
|
//Output:9.999999999999787e-003
|
if (out==64'h3F847AE147AE1400)
|
if (out==64'h3F847AE147AE1400)
|
$display($time,"ps Answer is correct %h", out);
|
$display($time,"ps Answer is correct %h", out);
|
else
|
else
|
$display($time,"ps Error! out is incorrect %h", out);
|
$display($time,"ps Error! out is incorrect %h", out);
|
#10000;
|
#10000;
|
//Output:4.337000000000001e+000
|
//Output:4.337000000000001e+000
|
if (out==64'h40115916872B020C)
|
if (out==64'h40115916872B020C)
|
$display($time,"ps Answer is correct %h", out);
|
$display($time,"ps Answer is correct %h", out);
|
else
|
else
|
$display($time,"ps Error! out is incorrect %h", out);
|
$display($time,"ps Error! out is incorrect %h", out);
|
#10000;
|
#10000;
|
//Output:7.699999999999867e+033
|
//Output:7.699999999999867e+033
|
if (out==64'h46F7BA3A9DCA8800)
|
if (out==64'h46F7BA3A9DCA8800)
|
$display($time,"ps Answer is correct %h", out);
|
$display($time,"ps Answer is correct %h", out);
|
else
|
else
|
$display($time,"ps Error! out is incorrect %h", out);
|
$display($time,"ps Error! out is incorrect %h", out);
|
#10000;
|
#10000;
|
//Output:-9.004402000000000e+003
|
//Output:-9.004402000000000e+003
|
if (out==64'hC0C1963374BC6A80)
|
if (out==64'hC0C1963374BC6A80)
|
$display($time,"ps Answer is correct %h", out);
|
$display($time,"ps Answer is correct %h", out);
|
else
|
else
|
$display($time,"ps Error! out is incorrect %h", out);
|
$display($time,"ps Error! out is incorrect %h", out);
|
#10000;
|
#10000;
|
//Output:4.767500000000000e+000
|
//Output:4.767500000000000e+000
|
if (out==64'h401311EB851EB852)
|
if (out==64'h401311EB851EB852)
|
$display($time,"ps Answer is correct %h", out);
|
$display($time,"ps Answer is correct %h", out);
|
else
|
else
|
$display($time,"ps Error! out is incorrect %h", out);
|
$display($time,"ps Error! out is incorrect %h", out);
|
#10000;
|
#10000;
|
//Output:1.589332100000000e+001
|
//Output:1.589332100000000e+001
|
if (out==64'h402FC9615EBFA8F8)
|
if (out==64'h402FC9615EBFA8F8)
|
$display($time,"ps Answer is correct %h", out);
|
$display($time,"ps Answer is correct %h", out);
|
else
|
else
|
$display($time,"ps Error! out is incorrect %h", out);
|
$display($time,"ps Error! out is incorrect %h", out);
|
#10000;
|
#10000;
|
//Output:8.026000000000002e+000
|
//Output:8.026000000000002e+000
|
if (out==64'h40200D4FDF3B645B)
|
if (out==64'h40200D4FDF3B645B)
|
$display($time,"ps Answer is correct %h", out);
|
$display($time,"ps Answer is correct %h", out);
|
else
|
else
|
$display($time,"ps Error! out is incorrect %h", out);
|
$display($time,"ps Error! out is incorrect %h", out);
|
#10000;
|
#10000;
|
//Output:9.922746300000000e+001
|
//Output:9.922746300000000e+001
|
if (out==64'h4058CE8EC0F88334)
|
if (out==64'h4058CE8EC0F88334)
|
$display($time,"ps Answer is correct %h", out);
|
$display($time,"ps Answer is correct %h", out);
|
else
|
else
|
$display($time,"ps Error! out is incorrect %h", out);
|
$display($time,"ps Error! out is incorrect %h", out);
|
#10000;
|
#10000;
|
//Output:1.717986918400000e+010
|
//Output:1.717986918400000e+010
|
if (out==64'h4210000000000000)
|
if (out==64'h4210000000000000)
|
$display($time,"ps Answer is correct %h", out);
|
$display($time,"ps Answer is correct %h", out);
|
else
|
else
|
$display($time,"ps Error! out is incorrect %h", out);
|
$display($time,"ps Error! out is incorrect %h", out);
|
#10000;
|
#10000;
|
//Output:-2.680000085400000e-005
|
//Output:-2.680000085400000e-005
|
if (out==64'hBEFC1A1209039A77)
|
if (out==64'hBEFC1A1209039A77)
|
$display($time,"ps Answer is correct %h", out);
|
$display($time,"ps Answer is correct %h", out);
|
else
|
else
|
$display($time,"ps Error! out is incorrect %h", out);
|
$display($time,"ps Error! out is incorrect %h", out);
|
#10000;
|
#10000;
|
//Output:INF
|
//Output:INF
|
if (out==64'h7FF0000000000000)
|
if (out==64'h7FF0000000000000)
|
$display($time,"ps Answer is correct %h", out);
|
$display($time,"ps Answer is correct %h", out);
|
else
|
else
|
$display($time,"ps Error! out is incorrect %h", out);
|
$display($time,"ps Error! out is incorrect %h", out);
|
#10000;
|
#10000;
|
//Output:-5.655564763350001e+006
|
//Output:-5.655564763350001e+006
|
if (out==64'hC155930330DAB9F6)
|
if (out==64'hC155930330DAB9F6)
|
$display($time,"ps Answer is correct %h", out);
|
$display($time,"ps Answer is correct %h", out);
|
else
|
else
|
$display($time,"ps Error! out is incorrect %h", out);
|
$display($time,"ps Error! out is incorrect %h", out);
|
#390000;
|
#390000;
|
$finish;
|
$finish;
|
end
|
end
|
|
|
always
|
always
|
begin : CLOCK_clk
|
begin : CLOCK_clk
|
clk = 1'b0;
|
clk = 1'b0;
|
#5000;
|
#5000;
|
clk = 1'b1;
|
clk = 1'b1;
|
#5000;
|
#5000;
|
end
|
end
|
|
|
|
|
|
|
|
|
endmodule
|
endmodule
|
|
|
