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Minor update

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Gabriel Wang 2026-05-23 14:13:49 +08:00 • committed by GitHub
parent 895c5cb3ed
commit 4a0877ca2d
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1 changed files with 6 additions and 7 deletions
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13
include/SDL3/SDL_intrin.h
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@ -88,7 +88,8 @@
/**
* Defined if (and only if) the compiler supports ARM SVE2 intrinsics.
*
* Even if this macro is defined, SDL will NOT included `<arm_sve.h>` globally.
* If this macro is defined, SDL will only included `<arm_sve.h>` when
* the compiler defines __ARM_FEATURE_SVE.
*
* \since This macro is available since SDL 3.6.0.
*/
@ -286,18 +287,16 @@ _m_prefetch(void *__P)
# define __ARM_FEATURE_SVE2 1 /* Set __ARM_FEATURE_SVE2 so that it can be used elsewhere, at compile time */
# define __ARM_FEATURE_SVE 1 /* Set __ARM_FEATURE_SVE so that it can be used elsewhere, at compile time */
# define __ARM_ARCH 8
# include <arm_sve.h>
# endif
# elif defined(SDL_PLATFORM_APPLE)
/* Apple has no AArch64 device supporting SVE2 */
# elif defined(__ARM_ARCH) && (__ARM_ARCH >= 8) && (defined(__aarch64__) || defined(_M_ARM64)) && \
defined(__has_include) && __has_include(<arm_sve.h>)
# define SDL_SVE2_INTRINSICS 1
/*
* IMPORTANT: Please do NOT put #include <arm_sve.h> here. Some versions of LLVM compilers provide arm_sve.h that
* raise error when failling in checking the existance of __ARM_FEATURE_SVE, while others are not. To
* improve the portability, we only include arm_sve.h in the source files that are dedicated to SVE
* accelerations.
*/
# if defined(__ARM_FEATURE_SVE)
# include <arm_sve.h>
# endif
# endif
#endif
#endif /* compiler version */