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synth_xilinx to now wreduce except $mux, remove extra peepopt

This commit is contained in:
Eddie Hung 2019-06-21 16:56:56 -07:00
parent 29aee0989f
commit ed00823b41
1 changed files with 1 additions and 8 deletions
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9
techlibs/xilinx/synth_xilinx.cc
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@ -226,8 +226,7 @@ struct SynthXilinxPass : public ScriptPass
run("opt_clean"); run("opt_clean");
run("check"); run("check");
run("opt"); run("opt");
// FIXME run("wreduce c:* t:$mux %d");
//run("wreduce");
run("peepopt"); run("peepopt");
run("opt_clean"); run("opt_clean");
run("alumacc"); run("alumacc");
@ -247,11 +246,6 @@ struct SynthXilinxPass : public ScriptPass
// Also: wide multiplexer inference benefits from this too // Also: wide multiplexer inference benefits from this too
if (!(nosrl && nomux) || help_mode) if (!(nosrl && nomux) || help_mode)
run("pmux2shiftx", "(skip if '-nosrl' and '-nomux')"); run("pmux2shiftx", "(skip if '-nosrl' and '-nomux')");
// Run a number of peephole optimisations, including one
// that optimises $mul cells driving $shiftx's B input
// and that aids wide mux analysis
run("peepopt");
} }
if (check_label("bram", "(skip if '-nobram')")) { if (check_label("bram", "(skip if '-nobram')")) {
@ -279,7 +273,6 @@ struct SynthXilinxPass : public ScriptPass
// otherwise it will use mux8 as mux4 // otherwise it will use mux8 as mux4
run("muxcover -mux4=150 -mux8=200 -mux16=250 -dmux=0", "(skip if -nomux)"); run("muxcover -mux4=150 -mux8=200 -mux16=250 -dmux=0", "(skip if -nomux)");
} }
run("wreduce"); // FIXME: Moved until after muxcover from 'coarse'
run("opt -full"); run("opt -full");
if (!nosrl || help_mode) { if (!nosrl || help_mode) {