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-rw-r--r--techlibs/xilinx/synth_xilinx.cc4
1 files changed, 3 insertions, 1 deletions
diff --git a/techlibs/xilinx/synth_xilinx.cc b/techlibs/xilinx/synth_xilinx.cc
index 7467e024c..173841799 100644
--- a/techlibs/xilinx/synth_xilinx.cc
+++ b/techlibs/xilinx/synth_xilinx.cc
@@ -485,8 +485,10 @@ struct SynthXilinxPass : public ScriptPass
else
run("clkbufmap -buf BUFG O:I");
}
- if (do_iopad)
+ if (help_mode || do_iopad)
run("iopadmap -bits -outpad OBUF I:O -inpad IBUF O:I A:top", "(only if '-iopad' or '-ise' and not '-noiopad')");
+ if (help_mode || ise)
+ run("extractinv -inv INV O:I", "(only if '-ise')");
}
if (check_label("check")) {