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memory_dff: Remove now-useless write port handling.

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This commit is contained in:
Marcelina Kościelnicka 2021-02-23 19:42:51 +01:00
parent 89c74ffd71
commit a3528649c8
6 changed files with 19 additions and 82 deletions
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13
techlibs/common/prep.cc
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@ -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");