RTL code refactoring

hw/rtl/interfaces/VX_gpr_read_if.v

@@ -0,0 +1,14 @@
+`ifndef VX_GPR_READ
+`define VX_GPR_READ
+
+`include "../VX_define.vh"
+
+interface VX_gpr_read_if ();
+
+	wire [4:0]      	rs1;
+	wire [4:0]      	rs2;
+	wire [`NW_BITS-1:0] warp_num;
+
+endinterface
+
+`endif