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More dicking with yosys cmd for tb_cxxrtl; 

Removing the prep pass as suggested leads to invalid VCD net names.
Adding a opt_clean (+ prerequisites) fixes that.
Adding splitnets -driver afterward wins back the performance lost by
that last addition. Can you tell I don't know what I'm doing
This commit is contained in:
Luke Wren 2021-07-18 16:45:48 +01:00
parent 12bf9bb570
commit c56c75e14b
1 changed files with 1 additions and 1 deletions
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2
test/sim/tb_cxxrtl/Makefile
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@ -22,7 +22,7 @@ SYNTH_CMD += chparam -set RESET_VECTOR $(CPU_RESET_VECTOR) $(TOP);
SYNTH_CMD += chparam -set REDUCED_BYPASS $(REDUCED_BYPASS) $(TOP); SYNTH_CMD += chparam -set REDUCED_BYPASS $(REDUCED_BYPASS) $(TOP);
SYNTH_CMD += chparam -set MULDIV_UNROLL $(MULDIV_UNROLL) $(TOP); SYNTH_CMD += chparam -set MULDIV_UNROLL $(MULDIV_UNROLL) $(TOP);
SYNTH_CMD += chparam -set MUL_FAST $(MUL_FAST) $(TOP); SYNTH_CMD += chparam -set MUL_FAST $(MUL_FAST) $(TOP);
SYNTH_CMD += prep -flatten -top $(TOP); async2sync; SYNTH_CMD += hierarchy -top $(TOP); proc; opt_clean;
SYNTH_CMD += splitnets -driver; SYNTH_CMD += splitnets -driver;
SYNTH_CMD += write_cxxrtl dut.cpp SYNTH_CMD += write_cxxrtl dut.cpp