frontend: update libpicofe, fix missed callbacks
[pcsx_rearmed.git] / include / compiler_features.h
... / ...
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1
2#ifdef __GNUC__
3# define likely(x) __builtin_expect((x),1)
4# define unlikely(x) __builtin_expect((x),0)
5# define preload __builtin_prefetch
6# ifdef __clang__
7# define noinline __attribute__((noinline))
8# else
9# define noinline __attribute__((noinline,noclone))
10# endif
11# define attr_unused __attribute__((unused))
12#else
13# define likely(x) (x)
14# define unlikely(x) (x)
15# define preload (x)
16# define noinline
17# define attr_unused
18#endif
19
20// doesn't work on Android, mingw...
21#if defined(__GNUC__) && !defined(ANDROID) && !defined(__MINGW32__)
22# define attr_weak __attribute__((weak))
23#else
24# define attr_weak
25#endif
26
27#ifndef __has_builtin
28#define __has_builtin(x) 0
29#endif
30
31#if __has_builtin(__builtin_add_overflow) || (defined(__GNUC__) && __GNUC__ >= 5)
32#define add_overflow(a, b, r) __builtin_add_overflow(a, b, &(r))
33#define sub_overflow(a, b, r) __builtin_sub_overflow(a, b, &(r))
34#else
35#define add_overflow(a, b, r) ({r = (u32)a + (u32)b; (a ^ ~b) & (a ^ r) & (1u<<31);})
36#define sub_overflow(a, b, r) ({r = (u32)a - (u32)b; (a ^ b) & (a ^ r) & (1u<<31);})
37#endif
38