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-rw-r--r--passes/techmap/extract_fa.cc12
1 files changed, 4 insertions, 8 deletions
diff --git a/passes/techmap/extract_fa.cc b/passes/techmap/extract_fa.cc
index b541ceb6b..befaf68a4 100644
--- a/passes/techmap/extract_fa.cc
+++ b/passes/techmap/extract_fa.cc
@@ -153,12 +153,10 @@ struct ExtractFaWorker
}
}
- void check_partition(SigBit root, pool<SigBit> &leaves)
+ void check_partition(SigBit root, const pool<SigBit> &leaves)
{
if (config.enable_ha && GetSize(leaves) == 2)
{
- leaves.sort();
-
SigBit A = SigSpec(leaves)[0];
SigBit B = SigSpec(leaves)[1];
@@ -196,8 +194,6 @@ struct ExtractFaWorker
if (config.enable_fa && GetSize(leaves) == 3)
{
- leaves.sort();
-
SigBit A = SigSpec(leaves)[0];
SigBit B = SigSpec(leaves)[1];
SigBit C = SigSpec(leaves)[2];
@@ -237,7 +233,7 @@ struct ExtractFaWorker
}
}
- void find_partitions(SigBit root, pool<SigBit> &leaves, pool<pool<SigBit>> &cache, int maxdepth, int maxbreadth)
+ void find_partitions(SigBit root, const pool<SigBit> &leaves, pool<const pool<SigBit>> &cache, int maxdepth, int maxbreadth)
{
if (cache.count(leaves))
return;
@@ -293,8 +289,8 @@ struct ExtractFaWorker
continue;
SigBit root = it.first;
- pool<SigBit> leaves = { root };
- pool<pool<SigBit>> cache;
+ const pool<SigBit> leaves = { root };
+ pool<const pool<SigBit>> cache;
if (config.verbose)
log(" checking %s\n", log_signal(it.first));