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Add bitwise $bweqx and $bwmux cells

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The new bitwise case equality (`$bweqx`) and bitwise mux (`$bwmux`)
cells enable compact encoding and decoding of 3-valued logic signals
using multiple 2-valued signals.
This commit is contained in:
Jannis Harder
2022-11-02 17:12:51 +01:00
parent f2c531e65f
commit 7203ba7bc1
9 changed files with 179 additions and 11 deletions
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passes/techmap/simplemap.h
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@@ -31,6 +31,7 @@ extern void simplemap_reduce(RTLIL::Module *module, RTLIL::Cell *cell);
extern void simplemap_lognot(RTLIL::Module *module, RTLIL::Cell *cell);
extern void simplemap_logbin(RTLIL::Module *module, RTLIL::Cell *cell);
extern void simplemap_mux(RTLIL::Module *module, RTLIL::Cell *cell);
extern void simplemap_bwmux(RTLIL::Module *module, RTLIL::Cell *cell);
extern void simplemap_lut(RTLIL::Module *module, RTLIL::Cell *cell);
extern void simplemap_slice(RTLIL::Module *module, RTLIL::Cell *cell);
extern void simplemap_concat(RTLIL::Module *module, RTLIL::Cell *cell);