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authorEddie Hung <eddie@fpgeh.com>2019-12-09 12:45:22 -0800
committerEddie Hung <eddie@fpgeh.com>2019-12-09 12:45:22 -0800
commit500ed9b501386b38faf6388b43c42abdbc0ee3ec (patch)
treeb62f38613257e26e65a9c21999208cf5a3a5438c /passes/pmgen
parente05372778a26e5cbc5166f208eddc6a1b42ed198 (diff)
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Sensitive to direct inst of $__ICE40_CARRY_WRAPPER; recreate SB_LUT4
Diffstat (limited to 'passes/pmgen')
-rw-r--r--passes/pmgen/ice40_wrapcarry.cc18
1 files changed, 11 insertions, 7 deletions
diff --git a/passes/pmgen/ice40_wrapcarry.cc b/passes/pmgen/ice40_wrapcarry.cc
index 522c8c363..8c953308a 100644
--- a/passes/pmgen/ice40_wrapcarry.cc
+++ b/passes/pmgen/ice40_wrapcarry.cc
@@ -111,20 +111,24 @@ struct Ice40WrapCarryPass : public Pass {
auto carry = module->addCell(NEW_ID, ID(SB_CARRY));
carry->setPort(ID(I0), cell->getPort(ID(A)));
carry->setPort(ID(I1), cell->getPort(ID(B)));
- carry->setPort(ID(CI), cell->getPort(ID(CO)));
+ carry->setPort(ID(CI), cell->getPort(ID(CI)));
+ carry->setPort(ID(CO), cell->getPort(ID(CO)));
module->swap_names(carry, cell);
- auto lut = module->addCell(cell->attributes.at(ID(SB_LUT4.name)).decode_string(), ID(SB_LUT4));
- lut->setParam(ID(WIDTH), 4);
- lut->setParam(ID(LUT), cell->getParam(ID(LUT)));
- lut->setPort(ID(A), { cell->getPort(ID(I0)), cell->getPort(ID(A)), cell->getPort(ID(B)), cell->getPort(ID(I3)) });
- lut->setPort(ID(Y), cell->getPort(ID(O)));
+ auto lut_name = cell->attributes.at(ID(SB_LUT4.name), Const(NEW_ID.str())).decode_string();
+ auto lut = module->addCell(lut_name, ID(SB_LUT4));
+ lut->setParam(ID(LUT_INIT), cell->getParam(ID(LUT)));
+ lut->setPort(ID(I0), cell->getPort(ID(I0)));
+ lut->setPort(ID(I1), cell->getPort(ID(A)));
+ lut->setPort(ID(I2), cell->getPort(ID(B)));
+ lut->setPort(ID(I3), cell->getPort(ID(I3)));
+ lut->setPort(ID(O), cell->getPort(ID(O)));
for (const auto &a : cell->attributes)
if (a.first.begins_with("\\SB_CARRY.\\"))
carry->attributes[a.first.c_str() + strlen("\\SB_CARRY.")] = a.second;
else if (a.first.begins_with("\\SB_LUT4.\\"))
lut->attributes[a.first.c_str() + strlen("\\SB_LUT4.")] = a.second;
- else if (a.first.in(ID(SB_LUT4.name), ID::keep))
+ else if (a.first.in(ID(SB_LUT4.name), ID::keep, ID(module_not_derived), ID(src)))
continue;
else
log_abort();