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authorEddie Hung <eddieh@ece.ubc.ca>2018-07-31 16:18:08 -0700
committerEddie Hung <eddieh@ece.ubc.ca>2018-07-31 16:18:08 -0700
commit2d750537441b91a6e8bc5bf757279afc89265fb2 (patch)
treefd3316769be53f9828eed36d7098e7bfaf7025ee /common/nextpnr.cc
parent2a91aea0a6d17f6d00edb391cc543ec9409e96e5 (diff)
parenta82f6f410595de26e82eaf4818e41036f0bc2f9c (diff)
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Merge remote-tracking branch 'origin/estdelay' into redist_slack
Conflicts: ecp5/arch.cc generic/arch.cc ice40/arch.cc
Diffstat (limited to 'common/nextpnr.cc')
-rw-r--r--common/nextpnr.cc10
1 files changed, 5 insertions, 5 deletions
diff --git a/common/nextpnr.cc b/common/nextpnr.cc
index cf1b5982..4a97bd93 100644
--- a/common/nextpnr.cc
+++ b/common/nextpnr.cc
@@ -93,7 +93,9 @@ delay_t Context::getNetinfoRouteDelay(NetInfo *net_info, int user_idx) const
WireId src_wire = getNetinfoSourceWire(net_info);
if (src_wire == WireId())
return 0;
- WireId cursor = getNetinfoSinkWire(net_info, user_idx);
+
+ WireId dst_wire = getNetinfoSinkWire(net_info, user_idx);
+ WireId cursor = dst_wire;
delay_t delay = 0;
while (cursor != WireId() && cursor != src_wire) {
@@ -107,11 +109,9 @@ delay_t Context::getNetinfoRouteDelay(NetInfo *net_info, int user_idx) const
}
if (cursor == src_wire)
- delay += getWireDelay(src_wire).maxDelay();
- else
- delay += estimateDelay(src_wire, cursor);
+ return delay + getWireDelay(src_wire).maxDelay();
- return delay;
+ return predictDelay(net_info, net_info->users[user_idx]);
}
static uint32_t xorshift32(uint32_t x)