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-rw-r--r--techlibs/ecp5/synth_ecp5.cc7
1 files changed, 6 insertions, 1 deletions
diff --git a/techlibs/ecp5/synth_ecp5.cc b/techlibs/ecp5/synth_ecp5.cc
index a8075e86e..2593546e0 100644
--- a/techlibs/ecp5/synth_ecp5.cc
+++ b/techlibs/ecp5/synth_ecp5.cc
@@ -280,12 +280,17 @@ struct SynthEcp5Pass : public ScriptPass
if (abc2 || help_mode) {
run("abc", " (only if -abc2)");
}
- run("techmap -map +/ecp5/latches_map.v");
+ std::string techmap_args = "-map +/ecp5/latches_map.v";
+ if (abc9)
+ techmap_args += " -map +/ecp5/abc_map.v -max_iter 1";
+ run("techmap " + techmap_args);
+
if (abc9) {
if (nowidelut)
run("abc9 -lut +/ecp5/abc_5g_nowide.lut -box +/ecp5/abc_5g.box -W 200");
else
run("abc9 -lut +/ecp5/abc_5g.lut -box +/ecp5/abc_5g.box -W 200");
+ run("techmap -map +/ecp5/abc_unmap.v");
} else {
if (nowidelut)
run("abc -lut 4 -dress");