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[2026-06 LWG Motion 15] P3772R2 std::simd overloads for bit permutations#9116

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tkoeppe merged 1 commit into
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eisenwave:motions-2026-06-lwg-15
Jul 15, 2026
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[2026-06 LWG Motion 15] P3772R2 std::simd overloads for bit permutations#9116
tkoeppe merged 1 commit into
cplusplus:mainfrom
eisenwave:motions-2026-06-lwg-15

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@eisenwave eisenwave commented Jun 14, 2026

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Fixes #9102
Also fixes cplusplus/papers#2387

Note that the instruction to "bump cpp_lib_simd_bitops" doesn't really make sense because that macro has been introduced by #9068.

Maybe it would make sense to set it to 202607L now that I think about it; cpp_lib_bitops is also being set to 202607L at LWG's request for Bit permutations.

@eisenwave eisenwave added this to the post-2026-06 milestone Jun 14, 2026
@tkoeppe tkoeppe force-pushed the motions-2026-06-lwg-15 branch 2 times, most recently from f6dece3 to 80abf73 Compare July 15, 2026 16:30
The feature test macro __cpp_lib_simd_bitops is set to a unique, new
value, so as to distinguish it from the change via LWG Motion 11 (P3793R2).
@tkoeppe tkoeppe force-pushed the motions-2026-06-lwg-15 branch from 80abf73 to 1511931 Compare July 15, 2026 17:56
@tkoeppe tkoeppe merged commit 8e33b5a into cplusplus:main Jul 15, 2026
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[2026-06 LWG Motion 15] P3772R2 (std::simd overloads for bit permutations) P3772 R1 std::simd overloads for bit permutations

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