aboutsummaryrefslogtreecommitdiffstats
path: root/passes
diff options
context:
space:
mode:
authorEddie Hung <eddieh@ece.ubc.ca>2019-04-05 14:42:25 -0700
committerEddie Hung <eddieh@ece.ubc.ca>2019-04-05 14:42:25 -0700
commit19271bd996a79cb4be1db658fcf18227ee0a1dff (patch)
tree7be24d63cefb4bc348ab507a778bb9436555d926 /passes
parentdfb242c905ff10bb4038f080aeb74a820e8fbd00 (diff)
downloadyosys-19271bd996a79cb4be1db658fcf18227ee0a1dff.tar.gz
yosys-19271bd996a79cb4be1db658fcf18227ee0a1dff.tar.bz2
yosys-19271bd996a79cb4be1db658fcf18227ee0a1dff.zip
abc -dff now implies "-D 0" otherwise retiming doesn't happen
Diffstat (limited to 'passes')
-rw-r--r--passes/techmap/abc.cc2
1 files changed, 2 insertions, 0 deletions
diff --git a/passes/techmap/abc.cc b/passes/techmap/abc.cc
index 21b70f492..c828ad8ed 100644
--- a/passes/techmap/abc.cc
+++ b/passes/techmap/abc.cc
@@ -1674,6 +1674,8 @@ struct AbcPass : public Pass {
}
if (arg == "-dff") {
dff_mode = true;
+ if (delay_target.empty())
+ delay_target = "-D 0";
continue;
}
if (arg == "-clk" && argidx+1 < args.size()) {