frontend: update libpicofe, fix missed callbacks
[pcsx_rearmed.git] / include / compiler_features.h
CommitLineData
905b7c25 1
2#ifdef __GNUC__
3# define likely(x) __builtin_expect((x),1)
4# define unlikely(x) __builtin_expect((x),0)
f060f4be 5# define preload __builtin_prefetch
a5cd72d0 6# ifdef __clang__
7# define noinline __attribute__((noinline))
8# else
9# define noinline __attribute__((noinline,noclone))
10# endif
0b1633d7 11# define attr_unused __attribute__((unused))
905b7c25 12#else
13# define likely(x) (x)
14# define unlikely(x) (x)
f060f4be 15# define preload (x)
bc7c5acb 16# define noinline
0b1633d7 17# define attr_unused
9b592b3f 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
b06f78f1 24# define attr_weak
905b7c25 25#endif
26
27#ifndef __has_builtin
28#define __has_builtin(x) 0
29#endif
30
a5cd72d0 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