diff options
Diffstat (limited to 'fpga_interchange/globals.cc')
| -rw-r--r-- | fpga_interchange/globals.cc | 26 |
1 files changed, 9 insertions, 17 deletions
diff --git a/fpga_interchange/globals.cc b/fpga_interchange/globals.cc index ed9f73a6..6efd1d89 100644 --- a/fpga_interchange/globals.cc +++ b/fpga_interchange/globals.cc @@ -41,8 +41,8 @@ struct GlobalVist // This is our main global routing implementation. It is used both to actually route globals; and also to discover if // global buffers have available short routes from their source for auto-placement -static int route_global_arc(Context *ctx, NetInfo *net, size_t usr_idx, size_t phys_port_idx, int max_hops, - bool dry_run) +static int route_global_arc(Context *ctx, NetInfo *net, store_index<PortRef> usr_idx, size_t phys_port_idx, + int max_hops, bool dry_run) { auto &usr = net->users.at(usr_idx); WireId src = ctx->getNetinfoSourceWire(net); @@ -51,7 +51,7 @@ static int route_global_arc(Context *ctx, NetInfo *net, size_t usr_idx, size_t p if (dry_run) return -1; else - log_error("Arc %d.%d (%s.%s) of net %s has no sink wire!\n", int(usr_idx), int(phys_port_idx), + log_error("Arc %d.%d (%s.%s) of net %s has no sink wire!\n", usr_idx.idx(), int(phys_port_idx), ctx->nameOf(usr.cell), ctx->nameOf(usr.port), ctx->nameOf(net)); } // Consider any existing routing put in place by the site router, etc @@ -188,14 +188,6 @@ void Arch::place_globals() // Ignore if there is no driver; or the driver is not placed if (net->driver.cell == nullptr || net->driver.cell->bel == BelId()) continue; - size_t user_idx = 0; - bool found_user = false; - for (user_idx = 0; user_idx < net->users.size(); user_idx++) - if (net->users.at(user_idx).cell == ci && net->users.at(user_idx).port == pin_name) { - found_user = true; - break; - } - NPNR_ASSERT(found_user); // TODO: substantial performance improvements are probably possible, although of questionable benefit given // the low number of globals in a typical device... @@ -213,7 +205,7 @@ void Arch::place_globals() if (!isBelLocationValid(bel)) goto fail; // Check distance - distance = route_global_arc(ctx, net, user_idx, 0, pin.max_hops, true); + distance = route_global_arc(ctx, net, port.user_idx, 0, pin.max_hops, true); if (distance != -1 && distance < shortest_distance) { best_bel = bel; shortest_distance = distance; @@ -262,16 +254,16 @@ void Arch::route_globals() int total_sinks = 0; int global_sinks = 0; - for (size_t i = 0; i < net->users.size(); i++) { - auto &usr = net->users.at(i); - for (size_t j = 0; j < ctx->getNetinfoSinkWireCount(net, usr); j++) { - int result = route_global_arc(ctx, net, i, j, pin.max_hops, false); + for (auto usr : net->users.enumerate()) { + for (size_t j = 0; j < ctx->getNetinfoSinkWireCount(net, usr.value); j++) { + int result = route_global_arc(ctx, net, usr.index, j, pin.max_hops, false); ++total_sinks; if (result != -1) ++global_sinks; if ((result == -1) && pin.force_routing) log_error("Failed to route arc %d.%d (%s.%s) of net %s using dedicated global routing!\n", - int(i), int(j), ctx->nameOf(usr.cell), ctx->nameOf(usr.port), ctx->nameOf(net)); + usr.index.idx(), int(j), ctx->nameOf(usr.value.cell), ctx->nameOf(usr.value.port), + ctx->nameOf(net)); } } |