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Revert "Merge pull request #1280 from YosysHQ/revert-1266-eddie/ice40_full_adder"

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This reverts commit c851dc1310, reversing
changes made to f54bf1631f.
This commit is contained in:
Eddie Hung 2019-08-12 12:06:45 -07:00
parent 78b30bbb11
commit 12c692f6ed
20 changed files with 181 additions and 181 deletions
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11
passes/pmgen/ice40_wrapcarry.pmg Normal file
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@ -0,0 +1,11 @@
pattern ice40_wrapcarry
match carry
select carry->type.in(\SB_CARRY)
endmatch
match lut
select lut->type.in(\SB_LUT4)
index <SigSpec> port(lut, \I1) === port(carry, \I0)
index <SigSpec> port(lut, \I2) === port(carry, \I1)
endmatch