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Merge pull request #1648 from YosysHQ/eddie/cmp2lcu

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"techmap -map +/cmp2lcu.v" for decomposing arithmetic compares to $lcu
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Eddie Hung 2020-04-03 16:28:25 -07:00 • committed by GitHub
commit d61a6b81fc
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6 changed files with 173 additions and 13 deletions
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techlibs/xilinx/synth_xilinx.cc
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@ -393,8 +393,6 @@ struct SynthXilinxPass : public ScriptPass
run("pmux2shiftx", "(skip if '-nosrl' and '-widemux=0')");
run("clean", " (skip if '-nosrl' and '-widemux=0')");
}
run("techmap -map +/cmp2lut.v -D LUT_WIDTH=" + lut_size_s);
}
if (check_label("map_dsp", "(skip if '-nodsp')")) {
@ -460,6 +458,7 @@ struct SynthXilinxPass : public ScriptPass
}
if (check_label("coarse")) {
run("techmap -map +/cmp2lut.v -map +/cmp2lcu.v -D LUT_WIDTH=" + lut_size_s);
run("alumacc");
run("share");
run("opt");