added CascadeBuf to icefuzz/tmedges.ys

icefuzz/Makefile

@@ -41,13 +41,13 @@ endif
 timings:
 ifeq ($(EIGTHK),_8k)
 	cp tmedges_8k.txt tmedges.tmp
-	for f in work_*/*.vsb; do echo $$f; yosys -q -f verilog -s tmedges.ys $$f; done
+	set -e; for f in work_*/*.vsb; do echo $$f; yosys -q -f verilog -s tmedges.ys $$f; done
 	sort -u tmedges.tmp > tmedges_8k.txt && rm -f tmedges.tmp
 	python3 timings.py -t timings_8k.txt work_*/*.sdf > timings_8k.new
 	mv timings_8k.new timings_8k.txt
 else
 	cp tmedges_1k.txt tmedges.tmp
-	for f in work_*/*.vsb; do echo $$f; yosys -q -f verilog -s tmedges.ys $$f; done
+	set -e; for f in work_*/*.vsb; do echo $$f; yosys -q -f verilog -s tmedges.ys $$f; done
 	sort -u tmedges.tmp > tmedges_1k.txt && rm -f tmedges.tmp
 	python3 timings.py -t timings_1k.txt work_*/*.sdf > timings_1k.new
 	mv timings_1k.new timings_1k.txt

icefuzz/tmedges.ys

@@ -15,6 +15,7 @@ hierarchy -generate Odrv* i:I o:O
 hierarchy -generate Sp12to4 i:I o:O
 hierarchy -generate INV i:I o:O
 hierarchy -generate gio2CtrlBuf i:I o:O
+hierarchy -generate CascadeBuf i:I o:O
 
 hierarchy -check
 tee -a tmedges.tmp edgetypes