1 files changed, 34 insertions, 0 deletions
diff --git a/gowin/cells.h b/gowin/cells.h
index dbd86106..cb1c7aba 100644
--- a/gowin/cells.h
+++ b/gowin/cells.h
@@ -43,6 +43,40 @@ inline bool is_lut(const BaseCtx *ctx, const CellInfo *cell)
     }
 }
 
+// Return true if a cell is a wide LUT mux
+inline bool is_widelut(const BaseCtx *ctx, const CellInfo *cell)
+{
+    switch (cell->type.index) {
+    case ID_MUX2_LUT5:
+    case ID_MUX2_LUT6:
+    case ID_MUX2_LUT7:
+    case ID_MUX2_LUT8:
+        return true;
+    default:
+        return false;
+    }
+}
+
+// is MUX2_LUT5
+inline bool is_mux2_lut5(const BaseCtx *ctx, const CellInfo *cell) { return (cell->type.index == ID_MUX2_LUT5); }
+
+inline bool is_gw_mux2_lut5(const BaseCtx *ctx, const CellInfo *cell) { return (cell->type.index == ID_GW_MUX2_LUT5); }
+
+// is MUX2_LUT6
+inline bool is_mux2_lut6(const BaseCtx *ctx, const CellInfo *cell) { return (cell->type.index == ID_MUX2_LUT6); }
+
+inline bool is_gw_mux2_lut6(const BaseCtx *ctx, const CellInfo *cell) { return (cell->type.index == ID_GW_MUX2_LUT6); }
+
+// is MUX2_LUT7
+inline bool is_mux2_lut7(const BaseCtx *ctx, const CellInfo *cell) { return (cell->type.index == ID_MUX2_LUT7); }
+
+inline bool is_gw_mux2_lut7(const BaseCtx *ctx, const CellInfo *cell) { return (cell->type.index == ID_GW_MUX2_LUT7); }
+
+// is MUX2_LUT8
+inline bool is_mux2_lut8(const BaseCtx *ctx, const CellInfo *cell) { return (cell->type.index == ID_MUX2_LUT8); }
+
+inline bool is_gw_mux2_lut8(const BaseCtx *ctx, const CellInfo *cell) { return (cell->type.index == ID_GW_MUX2_LUT8); }
+
 // Return true if a cell is a flipflop
 inline bool is_ff(const BaseCtx *ctx, const CellInfo *cell)
 {