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Add tests for cmp2lut on LUT6

This commit is contained in:
Eddie Hung 2019-07-16 12:11:59 -07:00
parent 5939b5d636
commit dd10d2b00d
2 changed files with 29 additions and 23 deletions
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47
tests/lut/map_cmp.v
View File

@ -1,29 +1,30 @@
module top(...);
input [3:0] a;
parameter LUT_WIDTH = 4; // Multiples of 2 only
input [LUT_WIDTH-1:0] a;
output o1_1 = 4'b1010 <= a;
output o1_2 = 4'b1010 < a;
output o1_3 = 4'b1010 >= a;
output o1_4 = 4'b1010 > a;
output o1_5 = 4'b1010 == a;
output o1_6 = 4'b1010 != a;
output o1_1 = {(LUT_WIDTH/2){2'b10}} <= a;
output o1_2 = {(LUT_WIDTH/2){2'b10}} < a;
output o1_3 = {(LUT_WIDTH/2){2'b10}} >= a;
output o1_4 = {(LUT_WIDTH/2){2'b10}} > a;
output o1_5 = {(LUT_WIDTH/2){2'b10}} == a;
output o1_6 = {(LUT_WIDTH/2){2'b10}} != a;
output o2_1 = a <= 4'b1010;
output o2_2 = a < 4'b1010;
output o2_3 = a >= 4'b1010;
output o2_4 = a > 4'b1010;
output o2_5 = a == 4'b1010;
output o2_6 = a != 4'b1010;
output o2_1 = a <= {(LUT_WIDTH/2){2'b10}};
output o2_2 = a < {(LUT_WIDTH/2){2'b10}};
output o2_3 = a >= {(LUT_WIDTH/2){2'b10}};
output o2_4 = a > {(LUT_WIDTH/2){2'b10}};
output o2_5 = a == {(LUT_WIDTH/2){2'b10}};
output o2_6 = a != {(LUT_WIDTH/2){2'b10}};
output o3_1 = 4'sb0101 <= $signed(a);
output o3_2 = 4'sb0101 < $signed(a);
output o3_3 = 4'sb0101 >= $signed(a);
output o3_4 = 4'sb0101 > $signed(a);
output o3_5 = 4'sb0101 == $signed(a);
output o3_6 = 4'sb0101 != $signed(a);
output o3_1 = {(LUT_WIDTH/2){2'sb01}} <= $signed(a);
output o3_2 = {(LUT_WIDTH/2){2'sb01}} < $signed(a);
output o3_3 = {(LUT_WIDTH/2){2'sb01}} >= $signed(a);
output o3_4 = {(LUT_WIDTH/2){2'sb01}} > $signed(a);
output o3_5 = {(LUT_WIDTH/2){2'sb01}} == $signed(a);
output o3_6 = {(LUT_WIDTH/2){2'sb01}} != $signed(a);
output o4_1 = $signed(a) <= 4'sb0000;
output o4_2 = $signed(a) < 4'sb0000;
output o4_3 = $signed(a) >= 4'sb0000;
output o4_4 = $signed(a) > 4'sb0000;
output o4_1 = $signed(a) <= {LUT_WIDTH{1'sb0}};
output o4_2 = $signed(a) < {LUT_WIDTH{1'sb0}};
output o4_3 = $signed(a) >= {LUT_WIDTH{1'sb0}};
output o4_4 = $signed(a) > {LUT_WIDTH{1'sb0}};
endmodule

5
tests/lut/run-test.sh
View File

@ -4,3 +4,8 @@ for x in *.v; do
echo "Running $x.."
../../yosys -q -s check_map.ys -l ${x%.v}.log $x
done
for x in map_cmp.v; do
echo "Running $x.."
../../yosys -q -s check_map_lut6.ys -l ${x%.v}_lut6.log $x
done