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Sanitization some more on mult_cs.sv

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James E. Stine 2021-10-18 05:24:16 -05:00
parent d0ab43e4e8
commit 37fe5e56a8
1 changed files with 4 additions and 6 deletions
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10
wally-pipelined/src/muldiv/mult_cs.sv
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@ -75,24 +75,22 @@ module mult_cs #(parameter WIDTH = 8)
(pp_array[i*3] & pp_array[i*3+2]); (pp_array[i*3] & pp_array[i*3+2]);
next_pp_array[i*2+1] = tmp_pp_carry << 1; next_pp_array[i*2+1] = tmp_pp_carry << 1;
end end
// Reasssign not divisible by 3 rows to next_pp_array
if ((height % 3) > 0) if ((height % 3) > 0)
begin begin
for (i=0; i < (height % 3); i=i+1) for (i=0; i < (height % 3); i=i+1)
next_pp_array[2 * (height/3) + i] = pp_array[3 * (height/3) + i]; next_pp_array[2 * (height/3) + i] = pp_array[3 * (height/3) + i];
end end
// Put back values in pp_array to start again
for (i=0; i < WIDTH; i=i+1) for (i=0; i < WIDTH; i=i+1)
pp_array[i] = next_pp_array[i]; pp_array[i] = next_pp_array[i];
// Reduce height
height = height - (height/3); height = height - (height/3);
end end
// Sum is first row in reduced array // Sum is first row in reduced array
tmp_sum = pp_array[0]; tmp_sum = pp_array[0];
// Carry is second row in reduced array // Carry is second row in reduced array
if (height > 1) tmp_carry = pp_array[1];
tmp_carry = pp_array[1];
else
tmp_carry = {2*WIDTH-1{1'b0}};
end end
assign sum = tmp_sum; assign sum = tmp_sum;