unextend only used in init

diff --git a/passes/pmgen/ice40_dsp.pmg b/passes/pmgen/ice40_dsp.pmg
index 046aae9e25a0f8399f59c77038aae4fad8625ddf..9330dd09bc12a3276d282d07d9235461772ed1a5 100644 (file)
--- a/passes/pmgen/ice40_dsp.pmg
+++ b/passes/pmgen/ice40_dsp.pmg
@@ -1,6 +1,5 @@
 pattern ice40_dsp
 
-udata <std::function<SigSpec(const SigSpec&)>> unextend
 state <SigBit> clock
 state <bool> clock_pol cd_signed o_lo
 state <SigSpec> sigA sigB sigCD sigH sigO
@@ -28,7 +27,7 @@ match mul
 endmatch
 
 code sigA sigB sigH
-       unextend = [](const SigSpec &sig) {
+       auto unextend = [](const SigSpec &sig) {
                int i;
                for (i = GetSize(sig)-1; i > 0; i--)
                        if (sig[i] != sig[i-1])