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Fix case overlap lint in instr_decompress. Now verilator lint clean

This commit is contained in:
Luke Wren 2024-06-06 07:18:52 +01:00
parent e3b3893cdf
commit 2665e2acc6
1 changed files with 19 additions and 17 deletions
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6
hdl/hazard3_instr_decompress.v
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@ -198,9 +198,11 @@ end else begin: instr_decompress
uop_no_pc_update = 1'b0;
uop_ctr_nxt_in_seq = uop_ctr;
casez (instr_in[15:0])
16'h0: invalid = 1'b1;
`RVOPC_C_ADDI4SPN: instr_out = `RVOPC_NOZ_ADDI | rfmt_rd(rd_s) | rfmt_rs1(5'h2)
`RVOPC_C_ADDI4SPN: begin
instr_out = `RVOPC_NOZ_ADDI | rfmt_rd(rd_s) | rfmt_rs1(5'h2)
| {2'h0, instr_in[10:7], instr_in[12:11], instr_in[5], instr_in[6], 2'b00, 20'h00000};
invalid = ~|instr_in[12:2]; // Always-invalid all-zeroes instruction
end
`RVOPC_C_LW: instr_out = `RVOPC_NOZ_LW | rfmt_rd(rd_s) | rfmt_rs1(rs1_s)
| {5'h00, instr_in[5], instr_in[12:10], instr_in[6], 2'b00, 20'h00000};
`RVOPC_C_SW: instr_out = `RVOPC_NOZ_SW | rfmt_rs2(rs2_s) | rfmt_rs1(rs1_s)