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Add pmgen "generate" feature

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Signed-off-by: Clifford Wolf <clifford@clifford.at>
This commit is contained in:
Clifford Wolf 2019-08-16 13:26:36 +02:00
parent 4a57b7e1ab
commit c710df181c
3 changed files with 208 additions and 13 deletions
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22
passes/pmgen/test_pmgen.pmg
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@ -13,6 +13,22 @@ endcode
match first
select first->type.in($_AND_, $_OR_, $_XOR_)
filter !non_first_cells.count(first)
generate
SigSpec A = module->addWire(NEW_ID);
SigSpec B = module->addWire(NEW_ID);
SigSpec Y = module->addWire(NEW_ID);
switch (rng(3))
{
case 0:
module->addAndGate(NEW_ID, A, B, Y);
break;
case 1:
module->addOrGate(NEW_ID, A, B, Y);
break;
case 2:
module->addXorGate(NEW_ID, A, B, Y);
break;
}
endmatch
code
@ -64,6 +80,12 @@ match next
select next->type.in($_AND_, $_OR_, $_XOR_)
index <IdString> next->type === chain.back().first->type
index <SigSpec> port(next, \Y) === port(chain.back().first, chain.back().second)
generate 50
SigSpec A = module->addWire(NEW_ID);
SigSpec B = module->addWire(NEW_ID);
SigSpec Y = port(chain.back().first, chain.back().second);
Cell *c = module->addAndGate(NEW_ID, A, B, Y);
c->type = chain.back().first->type;
endmatch
code