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Merge pull request #1171 from YosysHQ/revert-1166-eddie/synth_keepdc 

Revert "Add "synth -keepdc" option"
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Eddie Hung 2019-07-09 12:19:40 -07:00 committed by GitHub
parent 00d8a9dce2 713337255e
commit f604aa174e
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 3 additions and 15 deletions
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1
CHANGELOG
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@ -12,7 +12,6 @@ Yosys 0.9 .. Yosys 0.9-dev
- Added "synth_xilinx -abc9" (experimental) - Added "synth_xilinx -abc9" (experimental)
- Added "synth_ice40 -abc9" (experimental) - Added "synth_ice40 -abc9" (experimental)
- Added "synth -abc9" (experimental) - Added "synth -abc9" (experimental)
- Added "synth -keepdc"
- Added "script -scriptwire - Added "script -scriptwire

2
passes/opt/wreduce.cc
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@ -497,7 +497,7 @@ struct WreducePass : public Pass {
log(" flows that use the 'memory_memx' pass.\n"); log(" flows that use the 'memory_memx' pass.\n");
log("\n"); log("\n");
log(" -keepdc\n"); log(" -keepdc\n");
log(" Do not optimize explicit don't-care values on $mux cells.\n"); log(" Do not optimize explicit don't-care values.\n");
log("\n"); log("\n");
} }
void execute(std::vector<std::string> args, Design *design) YS_OVERRIDE void execute(std::vector<std::string> args, Design *design) YS_OVERRIDE

15
techlibs/common/synth.cc
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@ -78,9 +78,6 @@ struct SynthPass : public ScriptPass
log(" -abc9\n"); log(" -abc9\n");
log(" use new ABC9 flow (EXPERIMENTAL)\n"); log(" use new ABC9 flow (EXPERIMENTAL)\n");
log("\n"); log("\n");
log(" -keepdc\n");
log(" do not optimize explicit don't-care values on $mux cells.\n");
log("\n");
log("\n"); log("\n");
log("The following commands are executed by this synthesis command:\n"); log("The following commands are executed by this synthesis command:\n");
help_script(); help_script();
@ -88,7 +85,7 @@ struct SynthPass : public ScriptPass
} }
string top_module, fsm_opts, memory_opts, abc; string top_module, fsm_opts, memory_opts, abc;
bool autotop, flatten, noalumacc, nofsm, noabc, noshare, keepdc; bool autotop, flatten, noalumacc, nofsm, noabc, noshare;
int lut; int lut;
void clear_flags() YS_OVERRIDE void clear_flags() YS_OVERRIDE
@ -105,7 +102,6 @@ struct SynthPass : public ScriptPass
noabc = false; noabc = false;
noshare = false; noshare = false;
abc = "abc"; abc = "abc";
keepdc = false;
} }
void execute(std::vector<std::string> args, RTLIL::Design *design) YS_OVERRIDE void execute(std::vector<std::string> args, RTLIL::Design *design) YS_OVERRIDE
@ -171,10 +167,6 @@ struct SynthPass : public ScriptPass
abc = "abc9"; abc = "abc9";
continue; continue;
} }
if (args[argidx] == "-keepdc") {
keepdc = true;
continue;
}
break; break;
} }
extra_args(args, argidx, design); extra_args(args, argidx, design);
@ -219,10 +211,7 @@ struct SynthPass : public ScriptPass
run("opt_clean"); run("opt_clean");
run("check"); run("check");
run("opt"); run("opt");
if (help_mode) run("wreduce");
run("wreduce [-keepdc]");
else
run("wreduce" + std::string(keepdc ? " -keepdc" : ""));
run("peepopt"); run("peepopt");
run("opt_clean"); run("opt_clean");
if (help_mode) if (help_mode)