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Merge pull request #196 from kipmacsaigoren/zbc_optimize

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bitmanip: simplify zbc input mux
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David Harris 2023-04-04 06:27:47 -07:00 committed by GitHub
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src/ieu/bmu/zbc.sv
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@ -41,7 +41,7 @@ module zbc #(parameter WIDTH=32) (
bitreverse #(WIDTH) brB(B, RevB); bitreverse #(WIDTH) brB(B, RevB);
mux3 #(WIDTH) xmux({RevA[WIDTH-2:0], {1'b0}}, RevA, A, ~Funct3[1:0], X); mux3 #(WIDTH) xmux({RevA[WIDTH-2:0], {1'b0}}, RevA, A, ~Funct3[1:0], X);
mux3 #(WIDTH) ymux({{1'b0}, RevB[WIDTH-2:0]}, RevB, B, ~Funct3[1:0], Y); mux2 #(WIDTH) ymux(RevB, B, ~Funct3[1], Y);
clmul #(WIDTH) clm(.X, .Y, .ClmulResult); clmul #(WIDTH) clm(.X, .Y, .ClmulResult);