X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/2236410f4582ab45ae8c384dd6eeeef5d10aab15..270869139db617e29a35bb9ded41087bb702f9ac:/lunaix-os/includes/lunaix/compiler.h diff --git a/lunaix-os/includes/lunaix/compiler.h b/lunaix-os/includes/lunaix/compiler.h index f011a0b..570fdcf 100644 --- a/lunaix-os/includes/lunaix/compiler.h +++ b/lunaix-os/includes/lunaix/compiler.h @@ -1,23 +1,61 @@ #ifndef __LUNAIX_COMPILER_H #define __LUNAIX_COMPILER_H -#define likely(x) __builtin_expect((x), 1) -#define unlikely(x) __builtin_expect((x), 0) +#define likely(x) __builtin_expect(!!(x), 1) +#define unlikely(x) __builtin_expect(!!(x), 0) -#define weak_alias(name) __attribute__((weak, alias(name))) -#define weak __attribute__((weak)) -#define noret __attribute__((noreturn)) +#define __section(name) __attribute__((section(name))) +#define weak_alias(name) __attribute__((weak, alias(name))) +#define optimize(opt) __attribute__((optimize(opt))) +#define weak __attribute__((weak)) +#define noret __attribute__((noreturn)) +#define must_inline __attribute__((always_inline)) +#define must_emit __attribute__((used)) +#define unreachable __builtin_unreachable() +#define no_inline __attribute__((noinline)) + +#define defualt weak + +#define msbiti (sizeof(int) * 8 - 1) +#define clz(bits) __builtin_clz(bits) + +#ifdef CONFIG_ARCH_BITS_64 +#define msbitl (sizeof(long) * 8 - 1) +#define clzl(bits) __builtin_clzl(bits) +#else +#define msbitl msbiti +#define clzl(bits) clz(bits) +#endif + +#define sadd_of(a, b, of) __builtin_sadd_overflow(a, b, of) +#define saddl_of(a, b, of) __builtin_saddl_overflow(a, b, of) +#define umul_of(a, b, of) __builtin_umul_overflow(a, b, of) +#define umull_of(a, b, of) __builtin_umull_overflow(a, b, of) +#define offsetof(f, m) __builtin_offsetof(f, m) + +#define prefetch_rd(ptr, ll) __builtin_prefetch((ptr), 0, ll) +#define prefetch_wr(ptr, ll) __builtin_prefetch((ptr), 1, ll) #define stringify(v) #v #define stringify__(v) stringify(v) +#define compact __attribute__((packed)) +#define align(v) __attribute__((aligned (v))) + +#define cacheline_size 64 +#define cacheline_align align(cacheline_size) + +#define export_symbol(domain, namespace, symbol)\ + typeof(symbol)* must_emit __SYMEXPORT_Z##domain##_N##namespace##_S##symbol \ + = &(symbol) + inline static void noret spin() { volatile int __infloop = 1; while (__infloop) ; - __builtin_unreachable(); + unreachable; } #endif /* __LUNAIX_COMPILER_H */