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authorEddie Hung <eddie@fpgeh.com>2019-09-19 20:04:44 -0700
committerEddie Hung <eddie@fpgeh.com>2019-09-19 20:04:44 -0700
commit8a94ce7aa524eea0429446e0a5e8c64bee45ac55 (patch)
treed9aa74ec43dedeadd79d2cdb7f8786e09e63ba0f /passes/pmgen/ice40_dsp.pmg
parent1602516a8b2ebd432528e9ba39a00db4e6edc081 (diff)
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Add an index
Diffstat (limited to 'passes/pmgen/ice40_dsp.pmg')
-rw-r--r--passes/pmgen/ice40_dsp.pmg1
1 files changed, 1 insertions, 0 deletions
diff --git a/passes/pmgen/ice40_dsp.pmg b/passes/pmgen/ice40_dsp.pmg
index 73e92031e..35db22807 100644
--- a/passes/pmgen/ice40_dsp.pmg
+++ b/passes/pmgen/ice40_dsp.pmg
@@ -189,6 +189,7 @@ match add
index <SigBit> port(add, AB)[0] === sigH[0]
filter GetSize(port(add, AB)) <= GetSize(sigH)
filter port(add, AB) == sigH.extract(0, GetSize(port(add, AB)))
+ filter nusers(sigH.extract_end(GetSize(port(add, AB)))) <= 1
set addAB AB
optional
endmatch