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libcxx simd_utils.h: only enable _LIBCPP_HAS_ALGORITHM_VECTOR_UTILS for

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clang >= 15, since older versions do not support the required builtins.

PR:		280562
MFC after:	1 month

(cherry picked from commit 6846ab2fb6)
This commit is contained in:
Dimitry Andric 2024-08-05 22:05:46 +02:00
parent 3d31a1d8cd
commit cc1632ed30
1 changed files with 1 additions and 1 deletions
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2
contrib/llvm-project/libcxx/include/__algorithm/simd_utils.h
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@ -28,7 +28,7 @@ _LIBCPP_PUSH_MACROS
#include <__undef_macros>
// TODO: Find out how altivec changes things and allow vectorizations there too.
#if _LIBCPP_STD_VER >= 14 && defined(_LIBCPP_CLANG_VER) && !defined(__ALTIVEC__)
#if _LIBCPP_STD_VER >= 14 && (defined(_LIBCPP_CLANG_VER) && _LIBCPP_CLANG_VER >= 1500) && !defined(__ALTIVEC__)
# define _LIBCPP_HAS_ALGORITHM_VECTOR_UTILS 1
#else
# define _LIBCPP_HAS_ALGORITHM_VECTOR_UTILS 0