From 200fb3f6646a20fb5b3bca6d66964417f477689c Mon Sep 17 00:00:00 2001 From: Eddie Hung Date: Sat, 10 Nov 2018 20:05:36 -0800 Subject: [placer1] Ignore timing of TMG_IGNORE nets --- common/place_common.cc | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) (limited to 'common') diff --git a/common/place_common.cc b/common/place_common.cc index da8ab37d..4810697c 100644 --- a/common/place_common.cc +++ b/common/place_common.cc @@ -28,19 +28,19 @@ NEXTPNR_NAMESPACE_BEGIN wirelen_t get_net_metric(const Context *ctx, const NetInfo *net, MetricType type, float &tns) { wirelen_t wirelength = 0; - Loc driver_loc; - bool driver_gb; CellInfo *driver_cell = net->driver.cell; if (!driver_cell) return 0; if (driver_cell->bel == BelId()) return 0; - driver_gb = ctx->getBelGlobalBuf(driver_cell->bel); - driver_loc = ctx->getBelLocation(driver_cell->bel); + bool driver_gb = ctx->getBelGlobalBuf(driver_cell->bel); if (driver_gb) return 0; + IdString clock_port; + bool driver_tmg_ignore = ctx->getPortTimingClass(driver_cell, net->driver.port, clock_port); delay_t negative_slack = 0; delay_t worst_slack = std::numeric_limits::max(); + Loc driver_loc = ctx->getBelLocation(driver_cell->bel); int xmin = driver_loc.x, xmax = driver_loc.x, ymin = driver_loc.y, ymax = driver_loc.y; for (auto load : net->users) { if (load.cell == nullptr) @@ -48,7 +48,7 @@ wirelen_t get_net_metric(const Context *ctx, const NetInfo *net, MetricType type CellInfo *load_cell = load.cell; if (load_cell->bel == BelId()) continue; - if (ctx->timing_driven && type == MetricType::COST) { + if (!driver_tmg_ignore && ctx->timing_driven && type == MetricType::COST) { delay_t net_delay = ctx->predictDelay(net, load); auto slack = load.budget - net_delay; if (slack < 0) -- cgit v1.2.3