diff options
| author | Clifford Wolf <clifford@clifford.at> | 2014-10-03 12:58:40 +0200 |
|---|---|---|
| committer | Clifford Wolf <clifford@clifford.at> | 2014-10-03 12:58:40 +0200 |
| commit | 3e4b0cac8dc1f443bbd43030f1ce151b41555d97 (patch) | |
| tree | 5c8f76ce5af6127fa059b6d6411df5e7a70951b0 /kernel | |
| parent | c3e779a65f285afa123b990f3a717a7ae8e028f5 (diff) | |
added resource sharing of $macc cells
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/macc.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/kernel/macc.h b/kernel/macc.h index 27114111..7d70a268 100644 --- a/kernel/macc.h +++ b/kernel/macc.h @@ -45,6 +45,9 @@ struct Macc if (SIZE(port.in_a) == 0 && SIZE(port.in_b) == 0) continue; + if (SIZE(port.in_a) < SIZE(port.in_b)) + std::swap(port.in_a, port.in_b); + if (SIZE(port.in_a) == 1 && SIZE(port.in_b) == 0 && !port.is_signed && !port.do_subtract) { bit_ports.append(port.in_a); continue; @@ -224,6 +227,12 @@ struct Macc return true; } + + Macc(RTLIL::Cell *cell = nullptr) + { + if (cell != nullptr) + from_cell(cell); + } }; YOSYS_NAMESPACE_END |