minor update

2021-06-28 06:50:43 -07:00
parent c6afc35989
commit fb805c1eed
1 changed files with 3 additions and 1 deletions
--- a/hw/rtl/VX_decode.v
+++ b/hw/rtl/VX_decode.v
@@ -51,7 +51,9 @@ module VX_decode  #(
    wire [4:0] rd  = instr[11:7];
    wire [4:0] rs1 = instr[19:15];
    wire [4:0] rs2 = instr[24:20];  
+`ifdef EXT_F_ENABLE   
    wire [4:0] rs3 = instr[31:27];
+`endif

    wire [19:0] upper_imm = {func7, rs2, rs1, func3};
    wire [11:0] alu_imm   = ((func3 == 3'h1) || (func3 == 3'h5)) ? {{7{1'b0}}, rs2} : u_12;