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Added opt_const -mux_bool

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This commit is contained in:
Clifford Wolf 2014-02-02 22:11:08 +01:00
parent bee4450c4c
commit 9d0b69edaa
2 changed files with 47 additions and 7 deletions
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22
passes/opt/opt.cc
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@ -31,7 +31,7 @@ struct OptPass : public Pass {
{
// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
log("\n");
log(" opt [selection]\n");
log(" opt [-mux_undef] [-mux_bool] [selection]\n");
log("\n");
log("This pass calls all the other opt_* passes in a useful order. This performs\n");
log("a series of trivial optimizations and cleanups. This pass executes the other\n");
@ -46,16 +46,30 @@ struct OptPass : public Pass {
log(" opt_share\n");
log(" opt_rmdff\n");
log(" opt_clean\n");
log(" opt_const\n");
log(" opt_const [-mux_undef] [-mux_bool]\n");
log(" while [changed design]\n");
log("\n");
}
virtual void execute(std::vector<std::string> args, RTLIL::Design *design)
{
std::string opt_const_args;
log_header("Executing OPT pass (performing simple optimizations).\n");
log_push();
extra_args(args, 1, design);
size_t argidx;
for (argidx = 1; argidx < args.size(); argidx++) {
if (args[argidx] == "-mux_undef") {
opt_const_args += " -mux_undef";
continue;
}
if (args[argidx] == "-mux_bool") {
opt_const_args += " -mux_bool";
continue;
}
break;
}
extra_args(args, argidx, design);
log_header("Optimizing in-memory representation of design.\n");
design->optimize();
@ -69,7 +83,7 @@ struct OptPass : public Pass {
Pass::call(design, "opt_share");
Pass::call(design, "opt_rmdff");
Pass::call(design, "opt_clean");
Pass::call(design, "opt_const");
Pass::call(design, "opt_const" + opt_const_args);
if (OPT_DID_SOMETHING == false)
break;
log_header("Rerunning OPT passes. (Maybe there is more to do..)\n");