2021-11-07 11:39:18 +00:00
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#ifndef defs_h
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#define defs_h
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#ifdef GB_INTERNAL
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// "Keyword" definitions
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#define likely(x) __builtin_expect((x), 1)
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#define unlikely(x) __builtin_expect((x), 0)
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2021-11-07 12:13:52 +00:00
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#define internal __attribute__((visibility("internal")))
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2021-11-07 11:39:18 +00:00
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#if __clang__
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#define unrolled _Pragma("unroll")
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#elif __GNUC__ >= 8
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#define unrolled _Pragma("GCC unroll 8")
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#else
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#define unrolled
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#endif
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#ifdef GB_BIG_ENDIAN
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#define LE16(x) __builtin_bswap16(x)
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#define LE32(x) __builtin_bswap32(x)
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#define LE64(x) __builtin_bswap64(x)
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#define BE16(x) (x)
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#define BE32(x) (x)
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#define BE64(x) (x)
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#else
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#define LE16(x) (x)
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#define LE32(x) (x)
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#define LE64(x) (x)
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#define BE16(x) __builtin_bswap16(x)
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#define BE32(x) __builtin_bswap32(x)
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#define BE64(x) __builtin_bswap64(x)
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#endif
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#endif
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#if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 8)
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#define __builtin_bswap16(x) ({ typeof(x) _x = (x); _x >> 8 | _x << 8; })
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#endif
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struct GB_gameboy_s;
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typedef struct GB_gameboy_s GB_gameboy_t;
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#endif
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