floating point support fixes

hw/rtl/interfaces/VX_exu_to_cmt_if.v

@@ -0,0 +1,15 @@
+`ifndef VX_EXU_TO_CMT_IF
+`define VX_EXU_TO_CMT_IF
+
+`include "VX_define.vh"
+
+interface VX_exu_to_cmt_if ();
+
+    wire                            valid;
+    wire [`ISTAG_BITS-1:0]          issue_tag;     
+    wire [`NUM_THREADS-1:0][31:0]	data;         
+    wire                            ready;
+
+endinterface
+
+`endif