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| author | Eddie Hung <eddie@fpgeh.com> | 2019-08-12 12:06:45 -0700 |
|---|---|---|
| committer | Eddie Hung <eddie@fpgeh.com> | 2019-08-12 12:06:45 -0700 |
| commit | 12c692f6eda7367527fde2a8aad49447a73aa643 (patch) | |
| tree | 8680eefff6897b2f4b33d12b5d96a6ea8c549b5b /passes/pmgen/ice40_wrapcarry.pmg | |
| parent | 78b30bbb1102047585d1a2eac89b1c7f5ca7344e (diff) | |
| download | yosys-12c692f6eda7367527fde2a8aad49447a73aa643.tar.gz yosys-12c692f6eda7367527fde2a8aad49447a73aa643.tar.bz2 yosys-12c692f6eda7367527fde2a8aad49447a73aa643.zip | |
Revert "Merge pull request #1280 from YosysHQ/revert-1266-eddie/ice40_full_adder"
This reverts commit c851dc13108021834533094a8a3236da6d9e0161, reversing
changes made to f54bf1631ff37a83733c162e6ebd188c1d5ea18f.
Diffstat (limited to 'passes/pmgen/ice40_wrapcarry.pmg')
| -rw-r--r-- | passes/pmgen/ice40_wrapcarry.pmg | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/passes/pmgen/ice40_wrapcarry.pmg b/passes/pmgen/ice40_wrapcarry.pmg new file mode 100644 index 000000000..9e64c7467 --- /dev/null +++ b/passes/pmgen/ice40_wrapcarry.pmg @@ -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 |