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Added opt_share -share_all

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This commit is contained in:
Clifford Wolf 2015-05-31 14:24:34 +02:00
parent 09ef279b60
commit 08f9b38a9c
2 changed files with 32 additions and 16 deletions
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17
passes/opt/opt.cc
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@ -38,12 +38,12 @@ struct OptPass : public Pass {
log("passes in the following order:\n");
log("\n");
log(" opt_const [-mux_undef] [-mux_bool] [-undriven] [-fine] [-full] [-keepdc]\n");
log(" opt_share -nomux\n");
log(" opt_share [-share_all] -nomux\n");
log("\n");
log(" do\n");
log(" opt_muxtree\n");
log(" opt_reduce [-fine] [-full]\n");
log(" opt_share\n");
log(" opt_share [-share_all]\n");
log(" opt_rmdff\n");
log(" opt_clean [-purge]\n");
log(" opt_const [-mux_undef] [-mux_bool] [-undriven] [-fine] [-full] [-keepdc]\n");
@ -53,7 +53,7 @@ struct OptPass : public Pass {
log("\n");
log(" do\n");
log(" opt_const [-mux_undef] [-mux_bool] [-undriven] [-fine] [-full] [-keepdc]\n");
log(" opt_share\n");
log(" opt_share [-share_all]\n");
log(" opt_rmdff\n");
log(" opt_clean [-purge]\n");
log(" while <changed design in opt_rmdff>\n");
@ -68,6 +68,7 @@ struct OptPass : public Pass {
std::string opt_clean_args;
std::string opt_const_args;
std::string opt_reduce_args;
std::string opt_share_args;
bool fast_mode = false;
log_header("Executing OPT pass (performing simple optimizations).\n");
@ -105,6 +106,10 @@ struct OptPass : public Pass {
opt_const_args += " -keepdc";
continue;
}
if (args[argidx] == "-share_all") {
opt_share_args += " -share_all";
continue;
}
if (args[argidx] == "-fast") {
fast_mode = true;
continue;
@ -117,7 +122,7 @@ struct OptPass : public Pass {
{
while (1) {
Pass::call(design, "opt_const" + opt_const_args);
Pass::call(design, "opt_share");
Pass::call(design, "opt_share" + opt_share_args);
design->scratchpad_unset("opt.did_something");
Pass::call(design, "opt_rmdff");
if (design->scratchpad_get_bool("opt.did_something") == false)
@ -130,12 +135,12 @@ struct OptPass : public Pass {
else
{
Pass::call(design, "opt_const" + opt_const_args);
Pass::call(design, "opt_share -nomux");
Pass::call(design, "opt_share -nomux" + opt_share_args);
while (1) {
design->scratchpad_unset("opt.did_something");
Pass::call(design, "opt_muxtree");
Pass::call(design, "opt_reduce" + opt_reduce_args);
Pass::call(design, "opt_share");
Pass::call(design, "opt_share" + opt_share_args);
Pass::call(design, "opt_rmdff");
Pass::call(design, "opt_clean" + opt_clean_args);
Pass::call(design, "opt_const" + opt_const_args);