Vectorize BitIncrement and BitDecrement for float/double in TensorPrimitives#123610

Merged

stephentoub merged 15 commits intomainfrom

copilot/vectorize-bit-operations

Jan 27, 2026

Commits on Jan 26, 2026

Initial plan
Copilot
committed
Implement vectorization for BitIncrement and BitDecrement operations

Copilot
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stephentoub
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Fix sign bit detection and NaN masking in BitIncrement and BitDecrement

Copilot
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stephentoub
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Refactor: Consolidate variables and move declarations closer to usage per code review

Copilot
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stephentoub
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Add Half type support via TryUnaryInvokeHalfAsInt16

Copilot
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stephentoub
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Change else if to if and add blank lines for readability

Copilot
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stephentoub
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Use Vector.IsNegative() API instead of manual sign bit checking

Copilot
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stephentoub
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Remove Half type support due to performance regression

Copilot
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stephentoub
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Optimize special case handling with single ConditionalSelect per @tannergooding

Copilot
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stephentoub
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Fix IsZero to operate on float/double vectors instead of uint/ulong

Copilot
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stephentoub
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Remove redundant infinity handlers - already handled by general case

Copilot
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tannergooding
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Re-add Half type support via TryUnaryInvokeHalfAsInt16

Copilot
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stephentoub
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Optimize IsZero check to use bitwise comparison for positive zero only

Copilot
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stephentoub
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Merge branch 'main' into copilot/vectorize-bit-operations
stephentoub
authored
Remove Half type support due to performance regression

Copilot
and
stephentoub
committed