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perf: fix too strict restriction on FLU write-back (#1230)

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cathales 2023-05-12 00:02:30 +02:00 • committed by GitHub
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core/issue_read_operands.sv
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@ -388,7 +388,7 @@ module issue_read_operands import ariane_pkg::*; #(
end
// after a multiplication was issued we can only issue another multiplication
// otherwise we will get contentions on the fixed latency bus
if (mult_valid_q && issue_instr_i.fu != MULT) begin
if (mult_valid_q && issue_instr_i.fu inside {ALU, CTRL_FLOW, CSR}) begin
issue_ack_o = 1'b0;
end
end