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atomic: Switch to _SDL_HAS_BUILTIN to detect __atomic_load_n

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This commit is contained in:
Cameron Gutman
2026-04-14 17:42:24 -05:00
parent 6587c12e17
commit cf5f7965df
1 changed files with 3 additions and 7 deletions
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10
src/atomic/SDL_atomic.c
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@@ -36,19 +36,15 @@
#endif
/* The __atomic_load_n() intrinsic showed up in different times for different compilers. */
#if defined(__clang__)
#if __has_builtin(__atomic_load_n) || defined(HAVE_GCC_ATOMICS)
#if defined(__GNUC__) && (__GNUC__ >= 5)
#define HAVE_ATOMIC_LOAD_N 1
#elif _SDL_HAS_BUILTIN(__atomic_load_n) || (defined(__clang__) && defined(HAVE_GCC_ATOMICS))
/* !!! FIXME: this advertises as available in the NDK but uses an external symbol we don't have.
It might be in a later NDK or we might need an extra library? --ryan. */
#if !defined(__ANDROID__)
#define HAVE_ATOMIC_LOAD_N 1
#endif
#endif
#elif defined(__GNUC__)
#if (__GNUC__ >= 5)
#define HAVE_ATOMIC_LOAD_N 1
#endif
#endif
/* *INDENT-OFF* */ /* clang-format off */
#if defined(__WATCOMC__) && defined(__386__)