| Commit message (Collapse) | Author | Age | Files | Lines |
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tests: use optional ABCEXTERNAL when specified
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Commits 65924fd1, abc40924, and ebe29b66 hard-code the invocation
of yosys-abc, which fails if ABCEXTERNAL was specified during the
build. Allow tests to utilize an optional, externally specified
abc binary.
Signed-off-by: Gabriel Somlo <gsomlo@gmail.com>
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Optimizing DFFs whose initial value prevents their value from changing
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When there are multiple DFFs and one of them is removed, its reference lingers
inside bit2driver dict. While invoking handle_dff() function for other DFFs,
this broken reference is used isnside sat_import_cell() function.
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Signed-off-by: Clifford Wolf <clifford@clifford.at>
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clifford/ext1046
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- Implement iterators over the driver map that enumerate signals and cells
within the cones of the signal
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This is a proof of concept implementation that invokes SAT solver via Pass::call
method.
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tests: Check that Icarus can parse arch sim models
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Signed-off-by: David Shah <dave@ds0.me>
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Add "pmux2shiftx -norange"
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Signed-off-by: Clifford Wolf <clifford@clifford.at>
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Fix handling of partial covers in muxcover
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Signed-off-by: Clifford Wolf <clifford@clifford.at>
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synth_xilinx: Add -nocarry and -nowidelut options
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