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Enable CVXIF for target cv32a60X and add renaming for cvxif when using 3 operands #925

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merged 2 commits into from
Jun 30, 2022
Merged

Enable CVXIF for target cv32a60X and add renaming for cvxif when using 3 operands #925

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7daf1b2
re_name.sv: add condition related to CVXIF to rename 3rd operand
Gchauvon Jun 29, 2022
15800de
cv32a60x_pkg.sv: set CVXIFEn to 1
Gchauvon Jun 29, 2022
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2 changes: 1 addition & 1 deletion core/include/cv32a60x_config_pkg.sv
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Expand Up @@ -18,7 +18,7 @@ package cva6_config_pkg;
localparam CVA6ConfigF8En = 0;
localparam CVA6ConfigFVecEn = 0;

localparam CVA6ConfigCvxifEn = 0;
localparam CVA6ConfigCvxifEn = 1;
localparam CVA6ConfigCExtEn = 1;
localparam CVA6ConfigAExtEn = 0;

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2 changes: 1 addition & 1 deletion core/re_name.sv
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Expand Up @@ -69,7 +69,7 @@ module re_name import ariane_pkg::*; (
issue_instr_o.rs2 = { ENABLE_RENAME & name_bit_rs2, issue_instr_i.rs2[4:0] };

// re-name the third operand in imm if it's actually an operand
if (is_imm_fpr(issue_instr_i.op)) begin
if (is_imm_fpr(issue_instr_i.op) || (issue_instr_i.op == OFFLOAD && ariane_pkg::NR_RGPR_PORTS == 3)) begin
issue_instr_o.result = { ENABLE_RENAME & name_bit_rs3, issue_instr_i.result[4:0]};
end
// re-name the destination register
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