From ed00823b41becc87b52317a82c595c398dd6d10a Mon Sep 17 00:00:00 2001 From: Eddie Hung Date: Fri, 21 Jun 2019 16:56:56 -0700 Subject: [PATCH] synth_xilinx to now wreduce except $mux, remove extra peepopt --- techlibs/xilinx/synth_xilinx.cc | 9 +-------- 1 file changed, 1 insertion(+), 8 deletions(-) diff --git a/techlibs/xilinx/synth_xilinx.cc b/techlibs/xilinx/synth_xilinx.cc index 174138e6a..3d39afcde 100644 --- a/techlibs/xilinx/synth_xilinx.cc +++ b/techlibs/xilinx/synth_xilinx.cc @@ -226,8 +226,7 @@ struct SynthXilinxPass : public ScriptPass run("opt_clean"); run("check"); run("opt"); - // FIXME - //run("wreduce"); + run("wreduce c:* t:$mux %d"); run("peepopt"); run("opt_clean"); run("alumacc"); @@ -247,11 +246,6 @@ struct SynthXilinxPass : public ScriptPass // Also: wide multiplexer inference benefits from this too if (!(nosrl && nomux) || help_mode) 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')")) { @@ -279,7 +273,6 @@ struct SynthXilinxPass : public ScriptPass // otherwise it will use mux8 as mux4 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"); if (!nosrl || help_mode) {