diff options
Diffstat (limited to 'techlibs')
| -rw-r--r-- | techlibs/common/prep.cc | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/techlibs/common/prep.cc b/techlibs/common/prep.cc index 93b0910d6..132d6aec2 100644 --- a/techlibs/common/prep.cc +++ b/techlibs/common/prep.cc @@ -61,7 +61,7 @@ struct PrepPass : public ScriptPass log(" do not run any of the memory_* passes\n"); log("\n"); log(" -rdff\n"); - log(" do not pass -nordff to 'memory_dff'. This enables merging of FFs into\n"); + log(" call 'memory_dff'. This enables merging of FFs into\n"); log(" memory read ports.\n"); log("\n"); log(" -nokeepdc\n"); @@ -79,7 +79,7 @@ struct PrepPass : public ScriptPass } string top_module, fsm_opts; - bool autotop, flatten, ifxmode, memxmode, nomemmode, nokeepdc, nordff; + bool autotop, flatten, ifxmode, memxmode, nomemmode, nokeepdc, rdff; void clear_flags() override { @@ -91,7 +91,7 @@ struct PrepPass : public ScriptPass memxmode = false; nomemmode = false; nokeepdc = false; - nordff = true; + rdff = false; } void execute(std::vector<std::string> args, RTLIL::Design *design) override @@ -137,11 +137,11 @@ struct PrepPass : public ScriptPass continue; } if (args[argidx] == "-nordff") { - nordff = true; + rdff = false; continue; } if (args[argidx] == "-rdff") { - nordff = false; + rdff = true; continue; } if (args[argidx] == "-nokeepdc") { @@ -202,7 +202,8 @@ struct PrepPass : public ScriptPass run(memxmode ? "wreduce -keepdc -memx" : "wreduce -keepdc"); } if (!nomemmode) { - run(string("memory_dff") + (help_mode ? " [-nordff]" : nordff ? " -nordff" : "")); + if (help_mode || rdff) + run("memory_dff", "(if -rdff)"); if (help_mode || memxmode) run("memory_memx", "(if -memx)"); run("opt_clean"); |