makefile: run report_metric post synthesis

It is useful to iterate only on synthesis during early stages
of RTL development and in this workflow information on timing
is expected.

Signed-off-by: Øyvind Harboe <[email protected]>

Author: oharboe

flow/Makefile

@@ -401,18 +401,16 @@ ifeq ($(SYNTH_HIERARCHICAL), 1)
 $(RESULTS_DIR)/1_1_yosys.v: $(SYNTH_STOP_MODULE_SCRIPT)
 endif
 
-$(RESULTS_DIR)/1_1_yosys.v: $(DONT_USE_LIBS) $(WRAPPED_LIBS) $(DONT_USE_SC_LIB) $(DFF_LIB_FILE) $(VERILOG_FILES) $(CACHED_NETLIST) $(LATCH_MAP_FILE) $(ADDER_MAP_FILE)
+$(RESULTS_DIR)/1_1_yosys.v $(RESULTS_DIR)/1_synth.sdc &: $(DONT_USE_LIBS) $(WRAPPED_LIBS) $(DONT_USE_SC_LIB) $(DFF_LIB_FILE) $(VERILOG_FILES) $(CACHED_NETLIST) $(LATCH_MAP_FILE) $(ADDER_MAP_FILE)
 	mkdir -p $(RESULTS_DIR) $(LOG_DIR) $(REPORTS_DIR)
 	($(TIME_CMD) $(YOSYS_CMD) $(YOSYS_FLAGS) -c $(SYNTH_SCRIPT)) 2>&1 | tee $(LOG_DIR)/1_1_yosys.log
+	cp $(SDC_FILE) $(RESULTS_DIR)/1_synth.sdc
+	($(TIME_CMD) $(OPENROAD_CMD) $(SCRIPTS_DIR)/synth_metrics.tcl) 2>&1 | tee -a $(LOG_DIR)/1_1_yosys.log
 
 $(RESULTS_DIR)/1_synth.v: $(RESULTS_DIR)/1_1_yosys.v
 	mkdir -p $(RESULTS_DIR) $(LOG_DIR) $(REPORTS_DIR)
 	cp $< $@
 
-$(RESULTS_DIR)/1_synth.sdc: $(SDC_FILE)
-	mkdir -p $(RESULTS_DIR) $(LOG_DIR) $(REPORTS_DIR)
-	cp $< $@
-
 clean_synth:
 	rm -f  $(RESULTS_DIR)/1_*.v $(RESULTS_DIR)/1_synth.sdc
 	rm -f  $(REPORTS_DIR)/synth_*

flow/scripts/synth_metrics.tcl

@@ -0,0 +1,6 @@
+utl::set_metrics_stage "synth__{}"
+source $::env(SCRIPTS_DIR)/load.tcl
+load_design 1_1_yosys.v 1_synth.sdc "Post synthesis"
+
+source $::env(SCRIPTS_DIR)/report_metrics.tcl
+report_metrics "Post synthesis" false false