mirror of https://github.com/LIJI32/SameBoy.git
63 lines
1.6 KiB
C
63 lines
1.6 KiB
C
#pragma once
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#define GB_likely(x) __builtin_expect((bool)(x), 1)
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#define GB_unlikely(x) __builtin_expect((bool)(x), 0)
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#define GB_inline_const(type, ...) (*({static const typeof(type) _= __VA_ARGS__; &_;}))
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#ifdef GB_INTERNAL
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// "Keyword" definitions
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#define likely(x) GB_likely(x)
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#define unlikely(x) GB_unlikely(x)
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#define inline_const GB_inline_const
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#define typeof __typeof__
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#if !defined(MIN)
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#define MIN(A, B) ({ __typeof__(A) __a = (A); __typeof__(B) __b = (B); __a < __b ? __a : __b; })
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#endif
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#if !defined(MAX)
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#define MAX(A, B) ({ __typeof__(A) __a = (A); __typeof__(B) __b = (B); __a < __b ? __b : __a; })
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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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#define internal __attribute__((visibility("hidden")))
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#define noinline __attribute__((noinline))
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#if __clang__
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#define unrolled _Pragma("unroll")
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#define nounroll _Pragma("clang loop unroll(disable)")
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#elif __GNUC__ >= 8
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#define unrolled _Pragma("GCC unroll 8")
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#define nounroll _Pragma("GCC unroll 0")
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#else
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#define unrolled
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#define nounroll
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#endif
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#define unreachable() __builtin_unreachable();
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#define nodefault default: unreachable()
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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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struct GB_gameboy_s;
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typedef struct GB_gameboy_s GB_gameboy_t;
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