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xalancbmk's bitset implementation has a redundant bit clear before setting the same bit. This can be fixed in a generic way with an additional logical simplification patternbext can be used to extract a single bit, storing the result into an SImode object, even for rv64 since bits 1..63 will be zero'd by the (&1) operation in the bext specification.- ~(1 << N) & C can be safely used for a 32bit object on rv64 when C has 33 or more leading zeros
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Updates
- Raphael's code for using bext to extract a single bit, storing the result in an SImode object for rv64 has been integrated
- Raphael's code to handle ~(1 << N) & C where C has at least 33 leading zeros has been submitted
- Raphael's code for using bext to extract a single bit, storing the result in an SImode object for rv64 has been submitted
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