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build/lattice/trellis: use abc9 techmapping pass with yosys 

Signed-off-by: Gabriel Somlo <gsomlo@gmail.com>
This commit is contained in:
Gabriel L. Somlo 2019-07-05 16:28:23 -04:00
parent 31bfb54667
commit 6c298cb708
1 changed files with 1 additions and 1 deletions
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litex/build/lattice/trellis.py
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@ -138,7 +138,7 @@ class LatticeTrellisToolchain:
self.yosys_template = [
"{read_files}",
"attrmap -tocase keep -imap keep=\"true\" keep=1 -imap keep=\"false\" keep=0 -remove keep=0",
"synth_ecp5 -json {build_name}.json -top {build_name}",
"synth_ecp5 -abc9 -json {build_name}.json -top {build_name}",
]
self.build_template = [