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Remove CVXIF RAW: register and issue interface are not split so it is useless

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This commit is contained in:
Guillaume Chauvon 2025-03-18 17:55:52 +01:00
parent d343387160
commit c52ea06e5b
1 changed files with 0 additions and 18 deletions
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18
core/issue_read_operands.sv
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@ -674,24 +674,6 @@ module issue_read_operands
end
end
if (CVA6Cfg.CvxifEn) begin
// Remove unecessary forward and stall in case source register is not needed by coprocessor.
if (x_issue_valid_o && x_issue_resp_i.accept) begin
if (~x_issue_resp_i.register_read[0]) begin
forward_rs1[0] = 1'b0;
stall_rs1[0] = 1'b0;
end
if (~x_issue_resp_i.register_read[1]) begin
forward_rs2[0] = 1'b0;
stall_rs2[0] = 1'b0;
end
if (OPERANDS_PER_INSTR == 3 && ~x_issue_resp_i.register_read[2]) begin
forward_rs3[0] = 1'b0;
stall_rs3[0] = 1'b0;
end
end
stall_raw[0] = x_transaction_rejected ? 1'b0 : stall_rs1[0] || stall_rs2[0] || (CVA6Cfg.NrRgprPorts == 3 && stall_rs3[0]);
end
if (CVA6Cfg.SuperscalarEn) begin
if (!issue_instr_i[1].use_zimm && (!CVA6Cfg.FpPresent || (is_rs1_fpr(