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Merge branch 'master' into mwk/xilinx_bufgmap

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This commit is contained in:
Eddie Hung 2019-08-26 13:25:17 -07:00
commit a098205479
8 changed files with 405 additions and 60 deletions
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8
techlibs/xilinx/synth_xilinx.cc
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@ -117,6 +117,7 @@ struct SynthXilinxPass : public ScriptPass
std::string top_opt, edif_file, blif_file, family;
bool flatten, retime, vpr, ise, iopad, noiopad, noclkbuf, nobram, nolutram, nosrl, nocarry, nowidelut, abc9;
bool flatten_before_abc;
int widemux;
void clear_flags() YS_OVERRIDE
@ -139,6 +140,7 @@ struct SynthXilinxPass : public ScriptPass
nocarry = false;
nowidelut = false;
abc9 = false;
flatten_before_abc = false;
widemux = 0;
}
@ -178,6 +180,10 @@ struct SynthXilinxPass : public ScriptPass
flatten = true;
continue;
}
if (args[argidx] == "-flatten_before_abc") {
flatten_before_abc = true;
continue;
}
if (args[argidx] == "-retime") {
retime = true;
continue;
@ -417,6 +423,8 @@ struct SynthXilinxPass : public ScriptPass
if (check_label("map_luts")) {
run("opt_expr -mux_undef");
if (flatten_before_abc)
run("flatten");
if (help_mode)
run("abc -luts 2:2,3,6:5[,10,20] [-dff]", "(option for 'nowidelut', option for '-retime')");
else if (abc9) {