[opt] Add strength reduction for sgtz(x) -> and(not(msb(x)), nez(x)) and sgt(x, 2^k-1)
#3672
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…, W-1, 1)), or_reduce(bit_slice(x, k, W-1-k)))
cdleary
changed the title
sgtz(x) -> and(not(msb(x)), nez(x))sgtz(x) -> and(not(msb(x)), nez(x)) and sgt(x, 2^k-1)
cdleary
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Jan 12, 2026
…> and(not(bit_slice(x, W-1, 1)), or_reduce(bit_slice(x, k, W-1-k)))
meheff
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to xlsynth/xlsynth
that referenced
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Jan 14, 2026
…> and(not(bit_slice(x, W-1, 1)), or_reduce(bit_slice(x, k, W-1-k)))
ericastor
approved these changes
Jan 15, 2026
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Also ran multiprocess fuzz for 15 mins on a manycore box