mirror of https://github.com/YosysHQ/picorv32.git
Improved timing for "decoded_imm_uj"
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06ba3a1a57
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@ -159,13 +159,10 @@ module picorv32 #(
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wire instr_trap;
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reg [regindex_bits-1:0] decoded_rd, decoded_rs1, decoded_rs2;
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reg [31:0] decoded_imm;
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reg [31:0] decoded_imm, decoded_imm_uj;
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reg decoder_trigger;
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reg decoder_pseudo_trigger;
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wire [31:0] decoded_imm_uj;
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assign { decoded_imm_uj[31:20], decoded_imm_uj[10:1], decoded_imm_uj[11], decoded_imm_uj[19:12], decoded_imm_uj[0] } = $signed({mem_rdata[31:12], 1'b0});
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reg is_lui_auipc_jal;
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reg is_lb_lh_lw_lbu_lhu;
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reg is_slli_srli_srai;
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@ -307,6 +304,8 @@ module picorv32 #(
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instr_rdinstr <= (mem_rdata[6:0] == 7'b1110011 && mem_rdata[31:12] == 'b11000000001000000010) && ENABLE_COUNTERS;
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instr_rdinstrh <= (mem_rdata[6:0] == 7'b1110011 && mem_rdata[31:12] == 'b11001000001000000010) && ENABLE_COUNTERS;
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{ decoded_imm_uj[31:20], decoded_imm_uj[10:1], decoded_imm_uj[11], decoded_imm_uj[19:12], decoded_imm_uj[0] } <= $signed({mem_rdata[31:12], 1'b0});
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decoded_rd <= mem_rdata[11:7];
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decoded_rs1 <= mem_rdata[19:15];
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decoded_rs2 <= mem_rdata[24:20];
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