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Slighly less pessimistic detection of neon64 #1254

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Merged
serge-sans-paille merged 2 commits into from
Feb 3, 2026
Merged

Slighly less pessimistic detection of neon64 #1254

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77bcf25
Slighly less pessimistic detection of neon64
AntoinePrv Feb 2, 2026
e151357
Force neon from neon64
AntoinePrv Feb 2, 2026
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20 changes: 7 additions & 13 deletions include/xsimd/config/xsimd_config.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -343,32 +343,26 @@

#endif

#ifdef __ARM_NEON

/**
* @ingroup xsimd_config_macro
*
* Set to 1 if NEON is available at compile-time, to 0 otherwise.
* Set to 1 if NEON64 is available at compile-time, to 0 otherwise.
*/
#if __ARM_ARCH >= 7
#define XSIMD_WITH_NEON 1
#if defined(__aarch64__) || defined(_M_ARM64)
#define XSIMD_WITH_NEON64 1
#else
#define XSIMD_WITH_NEON 0
#define XSIMD_WITH_NEON64 0
#endif

/**
* @ingroup xsimd_config_macro
*
* Set to 1 if NEON64 is available at compile-time, to 0 otherwise.
* Set to 1 if NEON is available at compile-time, to 0 otherwise.
*/
#ifdef __aarch64__
#define XSIMD_WITH_NEON64 1
#else
#define XSIMD_WITH_NEON64 0
#endif
#if (defined(__ARM_NEON) && __ARM_ARCH >= 7) || XSIMD_WITH_NEON64
#define XSIMD_WITH_NEON 1
#else
#define XSIMD_WITH_NEON 0
#define XSIMD_WITH_NEON64 0
#endif

/**
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