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| author | Eddie Hung <eddie@fpgeh.com> | 2019-06-14 12:28:01 -0700 |
|---|---|---|
| committer | Eddie Hung <eddie@fpgeh.com> | 2019-06-14 12:28:01 -0700 |
| commit | e391fc8e7b469bb173d6bfd74d6b2bbc68973336 (patch) | |
| tree | 6ba6b7f0a66cf45a2b45044dc5c8c5794d29f04e | |
| parent | a48b5bfaa5c55bfe4e5ff859b453ee00a1dd68c6 (diff) | |
| download | yosys-e391fc8e7b469bb173d6bfd74d6b2bbc68973336.tar.gz yosys-e391fc8e7b469bb173d6bfd74d6b2bbc68973336.tar.bz2 yosys-e391fc8e7b469bb173d6bfd74d6b2bbc68973336.zip | |
Enable "abc9 -D <num>" for timing-driven synthesis
| -rw-r--r-- | passes/techmap/abc9.cc | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/passes/techmap/abc9.cc b/passes/techmap/abc9.cc index 04e7d5d13..fa8b16789 100644 --- a/passes/techmap/abc9.cc +++ b/passes/techmap/abc9.cc @@ -29,7 +29,7 @@ "&st; &if -g -K 6; &dch -f; &if {W}; &save; &load; "\ "&st; &if -g -K 6; &synch2; &if {W}; &save; &load" #else -#define ABC_COMMAND_LUT "&st; &sweep; &scorr; "/*"&dc2; "*/"&retime; &dch -f; &ps -l; &if {W} -v; "/*"&mfs; "*/"&ps -l" +#define ABC_COMMAND_LUT "&st; &sweep; &scorr; "/*"&dc2; "*/"&retime; &dch -f; &ps -l; &if {W} {D} -v; "/*"&mfs; "*/"&ps -l" #endif @@ -335,9 +335,9 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri } else log_abort(); - if (script_file.empty() && !delay_target.empty()) - for (size_t pos = abc_script.find("dretime;"); pos != std::string::npos; pos = abc_script.find("dretime;", pos+1)) - abc_script = abc_script.substr(0, pos) + "dretime; retime -o {D};" + abc_script.substr(pos+8); + //if (script_file.empty() && !delay_target.empty()) + // for (size_t pos = abc_script.find("dretime;"); pos != std::string::npos; pos = abc_script.find("dretime;", pos+1)) + // abc_script = abc_script.substr(0, pos) + "dretime; retime -o {D};" + abc_script.substr(pos+8); for (size_t pos = abc_script.find("{D}"); pos != std::string::npos; pos = abc_script.find("{D}", pos)) abc_script = abc_script.substr(0, pos) + delay_target + abc_script.substr(pos+3); @@ -750,12 +750,12 @@ struct Abc9Pass : public Pass { log(" for -lut/-luts:\n"); log("%s\n", fold_abc_cmd(ABC_FAST_COMMAND_LUT).c_str()); log("\n"); -// log(" -D <picoseconds>\n"); -// log(" set delay target. the string {D} in the default scripts above is\n"); -// log(" replaced by this option when used, and an empty string otherwise.\n"); -// log(" this also replaces 'dretime' with 'dretime; retime -o {D}' in the\n"); + log(" -D <picoseconds>\n"); + log(" set delay target. the string {D} in the default scripts above is\n"); + log(" replaced by this option when used, and an empty string otherwise.\n"); +// log(" This also replaces 'dretime' with 'dretime; retime -o {D}' in the\n"); // log(" default scripts above.\n"); -// log("\n"); + log("\n"); // log(" -S <num>\n"); // log(" maximum number of LUT inputs shared.\n"); // log(" (replaces {S} in the default scripts above, default: -S 1)\n"); |