Insert trivial SOPs between OLMCs

synth_gal.tcl

@@ -88,6 +88,9 @@ techmap -max_iter 1 -map techmaps/pla_olmc_int.v */t:GAL_SOP %co1 */w:* %i */t:G
 iopadmap -bits -outpad GAL_COMB_OUTPUT_P A:Y */t:GAL_SOP "%x:+\[Y\]" */t:GAL_SOP %d o:* %i
 techmap -map techmaps/olmc_comb.v
 
+# Add trivial SOPs between directly connected OLMCs
+techmap -max_iter 1 -map techmaps/trivial_sop_olmc.v */t:GAL_OLMC %ci1 */w:* %i */t:GAL_SOP %co1 */w:* %i %i %c %co1 %D */t:GAL_OLMC %D
+
 clean -purge
 
 ## Write output files

techmaps/trivial_sop_olmc.v

@@ -0,0 +1,31 @@
+(* techmap_celltype = "GAL_OLMC" *)
+module _80_GAL_OLMC (C, E, A, Y);
+	parameter REGISTERED = 0;
+	parameter INVERTED = 0;
+
+	input C, E, A;
+	inout Y;
+
+	wire int;
+
+	generate
+		GAL_OLMC #(
+			.REGISTERED(REGISTERED),
+			.INVERTED(INVERTED)
+		) _TECHMAP_REPLACE_ (
+			.C(C),
+			.E(E),
+			.A(int),
+			.Y(Y)
+		);
+
+		GAL_SOP #(
+			.WIDTH(1),
+			.DEPTH(1),
+			.TABLE(10)
+		) trivial_sop (
+			.A(A),
+			.Y(int),
+		);
+	endgenerate
+endmodule