allow only some pass trough for clock router

2026-10-07 18:33:45 +02:00 · 2026-02-06 11:45:47 +01:00
parent 5fc81d6d8d
commit fe4584d55e
1 changed files with 6 additions and 0 deletions
@@ -151,6 +151,12 @@ void GateMateImpl::route_clock()
            }

            for (auto dh : ctx->getPipsDownhill(curr.wire)) {
+                const auto &extra_data = *pip_extra_data(dh);
+                // Allow only CINY2->COUTY2 pass through for clock router
+                if (extra_data.type == PipExtra::PIP_EXTRA_MUX && extra_data.resource != 0) {
+                    if (!(extra_data.resource == PipMask::C_CY2_I && extra_data.value ==0))
+                        continue;
+                }
                if (!ctx->checkPipAvailForNet(dh, clk_net))
                    continue;
                WireId dst = ctx->getPipDstWire(dh);