Vectorize `replace_copy` for x64 / x86 manually - #5980

Merged

Stephan T. Lavavej (StephanTLavavej) merged 12 commits into

microsoft:mainfrom

AlexGuteniev:replacement-copy

Jan 8, 2026

Commits on Dec 28, 2025

Commits on Jan 6, 2026

Add const.
Stephan T. Lavavej (StephanTLavavej)
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49925b0
Add arrows.
Stephan T. Lavavej (StephanTLavavej)
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915238b
Reorder: first, last, dest
Stephan T. Lavavej (StephanTLavavej)
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19783d0
Use `_Contiguous_iter_verify`, following vectorized `reverse_copy`.
Stephan T. Lavavej (StephanTLavavej)
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ea5ec08
And use `_Contiguous_iter_verify` for the range algorithm.
Stephan T. Lavavej (StephanTLavavej)
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e8f9946
Mark `_Replace_copy_impl()` as `__declspec(noalias)`.
Stephan T. Lavavej (StephanTLavavej)
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6c7e4ff
Avoid shadowing: `in_place` => `replace_is_vectorized`, determine from size
Stephan T. Lavavej (StephanTLavavej)
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0011363