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zbc configurability and select mux

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This commit is contained in:
Kevin Kim 2023-02-15 17:39:37 -08:00
parent 068ddc3e0d
commit aad4d13603
1 changed files with 4 additions and 3 deletions
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7
src/ieu/alu.sv
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@ -89,11 +89,12 @@ module alu #(parameter WIDTH=32) (
if (WIDTH == 64) assign ALUResult = W64 ? {{32{FullResult[31]}}, FullResult[31:0]} : FullResult; if (WIDTH == 64) assign ALUResult = W64 ? {{32{FullResult[31]}}, FullResult[31:0]} : FullResult;
else assign ALUResult = FullResult; else assign ALUResult = FullResult;
if (`ZBC_SUPPORTED) begin if (`ZBC_SUPPORTED) begin: zbc
zbc #(WIDTH) ZBC(.A(A), .B(B), .Funct3(Funct3), .ZBCResult(ZBCResult)); zbc #(WIDTH) ZBC(.A(A), .B(B), .Funct3(Funct3), .ZBCResult(ZBCResult));
end end else assign ZBCResult = 0;
if (`ZBC_SUPPORTED) begin if (`ZBC_SUPPORTED) begin : zbcdecoder
always_comb always_comb
case ({Funct7, Funct3}) case ({Funct7, Funct3})
10'b0000101_001: Result = ZBCResult; 10'b0000101_001: Result = ZBCResult;