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-rw-r--r-- | techlibs/common/simlib.v | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/techlibs/common/simlib.v b/techlibs/common/simlib.v index f16866e86..1b172c112 100644 --- a/techlibs/common/simlib.v +++ b/techlibs/common/simlib.v @@ -537,6 +537,8 @@ endmodule // used in binary arithmetic operations. By replacing the ripple // carry structure used in full-adder blocks, the more significant // bits of the sum can be expected to be computed more quickly. +// Typically created during `techmap` of $alu cells +// (see the "_90_alu" rule in +/techmap.v) module \$lcu (P, G, CI, CO); parameter WIDTH = 1; |