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zbc input select mux optimize

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This commit is contained in:
Kevin Kim 2023-03-02 11:43:05 -08:00
parent 2bfbf051a5
commit 905373d53b
1 changed files with 4 additions and 4 deletions
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8
src/ieu/bmu/zbc.sv
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@ -43,16 +43,16 @@ module zbc #(parameter WIDTH=32) (
//NOTE: Optimize this when doing decoder stuff. //NOTE: Optimize this when doing decoder stuff.
always_comb begin always_comb begin
casez (Funct3) casez (Funct3[1:0])
3'b001: begin //clmul 2'b01: begin //clmul
x = A; x = A;
y = B; y = B;
end end
3'b011: begin //clmulh 2'b11: begin //clmulh
x = {RevA[WIDTH-2:0], {1'b0}}; x = {RevA[WIDTH-2:0], {1'b0}};
y = {{1'b0}, RevB[WIDTH-2:0]}; y = {{1'b0}, RevB[WIDTH-2:0]};
end end
3'b010: begin //clmulr 2'b10: begin //clmulr
x = RevA; x = RevA;
y = RevB; y = RevB;
end end