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-rw-r--r--techlibs/ice40/synth_ice40.cc4
1 files changed, 2 insertions, 2 deletions
diff --git a/techlibs/ice40/synth_ice40.cc b/techlibs/ice40/synth_ice40.cc
index caef420d4..9dd5d81f7 100644
--- a/techlibs/ice40/synth_ice40.cc
+++ b/techlibs/ice40/synth_ice40.cc
@@ -38,8 +38,8 @@ struct SynthIce40Pass : public ScriptPass
log("This command runs synthesis for iCE40 FPGAs.\n");
log("\n");
log(" -device < hx | lp | u >\n");
- log(" optimise the synthesis netlist for the specified device.\n");
- log(" HX is the default target if no device argument specified.\n");
+ log(" relevant only for '-abc9' flow, optimise timing for the specified device.\n");
+ log(" default: hx\n");
log("\n");
log(" -top <module>\n");
log(" use the specified module as top module\n");