Merge pull request #1562 from whitequark/write_cxxrtl

write_cxxrtl: new backend

Author: whitequark

Makefile

@@ -546,6 +546,7 @@ $(eval $(call add_include_file,libs/json11/json11.hpp))
 $(eval $(call add_include_file,passes/fsm/fsmdata.h))
 $(eval $(call add_include_file,frontends/ast/ast.h))
 $(eval $(call add_include_file,backends/ilang/ilang_backend.h))
+$(eval $(call add_include_file,backends/cxxrtl/cxxrtl.h))
 
 OBJS += kernel/driver.o kernel/register.o kernel/rtlil.o kernel/log.o kernel/calc.o kernel/yosys.o
 OBJS += kernel/cellaigs.o kernel/celledges.o

backends/cxxrtl/Makefile.inc

@@ -0,0 +1,2 @@
+
+OBJS += backends/cxxrtl/cxxrtl.o