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Add ice40_wrapcarry pass, rename $__ICE40_FULL_ADDER -> CARRY_WRAPPER

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This commit is contained in:
Eddie Hung 2019-08-07 16:27:24 -07:00
parent cc331cf70d
commit 675c1d4218
6 changed files with 128 additions and 10 deletions
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4
techlibs/ice40/synth_ice40.cc
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@ -293,8 +293,10 @@ struct SynthIce40Pass : public ScriptPass
{
if (nocarry)
run("techmap");
else
else {
run("ice40_wrapcarry");
run("techmap -map +/techmap.v -map +/ice40/arith_map.v");
}
if (retime || help_mode)
run(abc + " -dff", "(only if -retime)");
run("ice40_opt");