Added Split/Join - not tested

rtl/interfaces/VX_gpu_inst_req_inter.v

@@ -13,7 +13,7 @@ interface VX_gpu_inst_req_inter();
 	wire                 is_split; 
 	wire                 is_barrier;
 
-	wire                 pc_next;
+	wire[31:0]           pc_next;
 
 	wire[`NT_M1:0][31:0] a_reg_data;
 	wire[31:0]           rd2;

rtl/interfaces/VX_join_inter.v

@@ -0,0 +1,17 @@
+
+`include "../VX_define.v"
+
+`ifndef VX_JOIN_INTER
+
+`define VX_JOIN_INTER
+
+interface VX_join_inter ();
+
+	wire            is_join;
+	wire[`NW_M1:0]  join_warp_num;
+
+
+endinterface
+
+
+`endif

rtl/interfaces/VX_warp_ctl_inter.v

@@ -18,6 +18,7 @@ interface VX_warp_ctl_inter ();
 
 
 	wire           is_split;
+	wire[`NW_M1:0] split_warp_num;
 	wire[`NT_M1:0] split_new_mask;
 	wire[`NT_M1:0] split_later_mask;
 	wire[31:0]     split_save_pc;