https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108856
--- Comment #2 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Matthias Kretz <mkr...@gcc.gnu.org>: https://gcc.gnu.org/g:6ce55180d494b616e2e3e68ffedfe9007e42ca06 commit r13-6333-g6ce55180d494b616e2e3e68ffedfe9007e42ca06 Author: Matthias Kretz <m.kr...@gsi.de> Date: Mon Feb 20 16:33:31 2023 +0100 libstdc++: More efficient masked inc-/decrement implementation Signed-off-by: Matthias Kretz <m.kr...@gsi.de> libstdc++-v3/ChangeLog: PR libstdc++/108856 * include/experimental/bits/simd_builtin.h (_SimdImplBuiltin::_S_masked_unary): More efficient implementation of masked inc-/decrement for integers and floats without AVX2. * include/experimental/bits/simd_x86.h (_SimdImplX86::_S_masked_unary): New. Use AVX512 masked subtract builtins for masked inc-/decrement.