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Merge pull request #1174 from YosysHQ/eddie/fix1173 

Increment _TECHMAP_BITS_CONNMAP_ by one since counting from zero
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Clifford Wolf 2019-07-09 22:59:51 +02:00 committed by GitHub
parent 6dd33be7ce c2db70f41e
commit cae26bf330
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1 changed files with 3 additions and 0 deletions
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passes/techmap/techmap.cc
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@ -649,10 +649,13 @@ struct TechmapWorker
unique_bit_id[bit] = unique_bit_id_counter++; unique_bit_id[bit] = unique_bit_id_counter++;
} }
// Find highest bit set
int bits = 0; int bits = 0;
for (int i = 0; i < 32; i++) for (int i = 0; i < 32; i++)
if (((unique_bit_id_counter-1) & (1 << i)) != 0) if (((unique_bit_id_counter-1) & (1 << i)) != 0)
bits = i; bits = i;
// Increment index by one to get number of bits
bits++;
if (tpl->avail_parameters.count("\\_TECHMAP_BITS_CONNMAP_")) if (tpl->avail_parameters.count("\\_TECHMAP_BITS_CONNMAP_"))
parameters["\\_TECHMAP_BITS_CONNMAP_"] = bits; parameters["\\_TECHMAP_BITS_CONNMAP_"] = bits;