zig/lib/include/zig.h

#undef linux

#if __STDC_VERSION__ >= 201112L
#define zig_noreturn _Noreturn
#define zig_threadlocal thread_local
#elif __GNUC__
#define zig_noreturn __attribute__ ((noreturn))
#define zig_threadlocal __thread
#elif _MSC_VER
#define zig_noreturn __declspec(noreturn)
#define zig_threadlocal __declspec(thread)
#else
#define zig_noreturn
#define zig_threadlocal zig_threadlocal_unavailable
#endif

#if __GNUC__
#define ZIG_COLD __attribute__ ((cold))
#else
#define ZIG_COLD
#endif

#if __STDC_VERSION__ >= 199901L
#define ZIG_RESTRICT restrict
#elif defined(__GNUC__)
#define ZIG_RESTRICT __restrict
#else
#define ZIG_RESTRICT
#endif

#if __STDC_VERSION__ >= 201112L
#include <stdalign.h>
#define ZIG_ALIGN(alignment) alignas(alignment)
#elif defined(__GNUC__)
#define ZIG_ALIGN(alignment) __attribute__((aligned(alignment)))
#else
#define ZIG_ALIGN(alignment) zig_compile_error("the C compiler being used does not support aligning variables")
#endif

#if __STDC_VERSION__ >= 199901L
#include <stdbool.h>
#else
#define bool unsigned char
#define true 1
#define false 0
#endif

#if defined(__GNUC__)
#define zig_unreachable() __builtin_unreachable()
#else
#define zig_unreachable()
#endif

#ifdef __cplusplus
#define ZIG_EXTERN_C extern "C"
#else
#define ZIG_EXTERN_C
#endif

#if defined(_MSC_VER)
#define zig_breakpoint() __debugbreak()
#elif defined(__MINGW32__) || defined(__MINGW64__)
#define zig_breakpoint() __debugbreak()
#elif defined(__clang__)
#define zig_breakpoint() __builtin_debugtrap()
#elif defined(__GNUC__)
#define zig_breakpoint() __builtin_trap()
#elif defined(__i386__) || defined(__x86_64__)
#define zig_breakpoint() __asm__ volatile("int $0x03");
#else
#define zig_breakpoint() raise(SIGTRAP)
#endif

#if defined(_MSC_VER)
#define zig_return_address() _ReturnAddress()
#elif defined(__GNUC__)
#define zig_return_address() __builtin_extract_return_addr(__builtin_return_address(0))
#else
#define zig_return_address() 0
#endif

#if defined(__GNUC__)
#define zig_frame_address() __builtin_frame_address(0)
#else
#define zig_frame_address() 0
#endif

#if defined(__GNUC__)
#define zig_prefetch(addr, rw, locality) __builtin_prefetch(addr, rw, locality)
#else
#define zig_prefetch(addr, rw, locality)
#endif

#if defined(__clang__)
#define zig_wasm_memory_size(index) __builtin_wasm_memory_size(index)
#define zig_wasm_memory_grow(index, delta) __builtin_wasm_memory_grow(index, delta)
#else
#define zig_wasm_memory_size(index) zig_unimplemented()
#define zig_wasm_memory_grow(index, delta) zig_unimplemented()
#endif

#if __STDC_VERSION__ >= 201112L && !defined(__STDC_NO_ATOMICS__)
#include <stdatomic.h>
#define zig_cmpxchg_strong(obj, expected, desired, succ, fail) atomic_compare_exchange_strong_explicit(obj, &(expected), desired, succ, fail)
#define zig_cmpxchg_weak  (obj, expected, desired, succ, fail) atomic_compare_exchange_weak_explicit  (obj, &(expected), desired, succ, fail)
#define zig_atomicrmw_xchg(obj, arg, order) atomic_exchange_explicit  (obj, arg, order)
#define zig_atomicrmw_add (obj, arg, order) atomic_fetch_add_explicit (obj, arg, order)
#define zig_atomicrmw_sub (obj, arg, order) atomic_fetch_sub_explicit (obj, arg, order)
#define zig_atomicrmw_or  (obj, arg, order) atomic_fetch_or_explicit  (obj, arg, order)
#define zig_atomicrmw_xor (obj, arg, order) atomic_fetch_xor_explicit (obj, arg, order)
#define zig_atomicrmw_and (obj, arg, order) atomic_fetch_and_explicit (obj, arg, order)
#define zig_atomicrmw_nand(obj, arg, order) atomic_fetch_nand_explicit(obj, arg, order)
#define zig_atomicrmw_min (obj, arg, order) atomic_fetch_min_explicit (obj, arg, order)
#define zig_atomicrmw_max (obj, arg, order) atomic_fetch_max_explicit (obj, arg, order)
#define zig_atomic_store  (obj, arg, order) atomic_store_explicit     (obj, arg, order)
#define zig_atomic_load   (obj,      order) atomic_load_explicit      (obj,      order)
#define zig_fence(order) atomic_thread_fence(order)
#elif __GNUC__
#define memory_order_relaxed __ATOMIC_RELAXED
#define memory_order_consume __ATOMIC_CONSUME
#define memory_order_acquire __ATOMIC_ACQUIRE
#define memory_order_release __ATOMIC_RELEASE
#define memory_order_acq_rel __ATOMIC_ACQ_REL
#define memory_order_seq_cst __ATOMIC_SEQ_CST
#define zig_cmpxchg_strong(obj, expected, desired, succ, fail) __atomic_compare_exchange_n(obj, &(expected), desired, false, succ, fail)
#define zig_cmpxchg_weak  (obj, expected, desired, succ, fail) __atomic_compare_exchange_n(obj, &(expected), desired, true , succ, fail)
#define zig_atomicrmw_xchg(obj, arg, order) __atomic_exchange_n(obj, arg, order)
#define zig_atomicrmw_add (obj, arg, order) __atomic_fetch_add (obj, arg, order)
#define zig_atomicrmw_sub (obj, arg, order) __atomic_fetch_sub (obj, arg, order)
#define zig_atomicrmw_or  (obj, arg, order) __atomic_fetch_or  (obj, arg, order)
#define zig_atomicrmw_xor (obj, arg, order) __atomic_fetch_xor (obj, arg, order)
#define zig_atomicrmw_and (obj, arg, order) __atomic_fetch_and (obj, arg, order)
#define zig_atomicrmw_nand(obj, arg, order) __atomic_fetch_nand(obj, arg, order)
#define zig_atomicrmw_min (obj, arg, order) __atomic_fetch_min (obj, arg, order)
#define zig_atomicrmw_max (obj, arg, order) __atomic_fetch_max (obj, arg, order)
#define zig_atomic_store  (obj, arg, order) __atomic_store     (obj, arg, order)
#define zig_atomic_load   (obj,      order) __atomic_load      (obj,      order)
#define zig_fence(order) __atomic_thread_fence(order)
#else
#define memory_order_relaxed 0
#define memory_order_consume 1
#define memory_order_acquire 2
#define memory_order_release 3
#define memory_order_acq_rel 4
#define memory_order_seq_cst 5
#define zig_cmpxchg_strong(obj, expected, desired, succ, fail) zig_unimplemented()
#define zig_cmpxchg_weak  (obj, expected, desired, succ, fail) zig_unimplemented()
#define zig_atomicrmw_xchg(obj, arg, order) zig_unimplemented()
#define zig_atomicrmw_add (obj, arg, order) zig_unimplemented()
#define zig_atomicrmw_sub (obj, arg, order) zig_unimplemented()
#define zig_atomicrmw_or  (obj, arg, order) zig_unimplemented()
#define zig_atomicrmw_xor (obj, arg, order) zig_unimplemented()
#define zig_atomicrmw_and (obj, arg, order) zig_unimplemented()
#define zig_atomicrmw_nand(obj, arg, order) zig_unimplemented()
#define zig_atomicrmw_min (obj, arg, order) zig_unimplemented()
#define zig_atomicrmw_max (obj, arg, order) zig_unimplemented()
#define zig_atomic_store  (obj, arg, order) zig_unimplemented()
#define zig_atomic_load   (obj,      order) zig_unimplemented()
#define zig_fence(order) zig_unimplemented()
#endif

#include <stdint.h>
#include <stddef.h>
#include <limits.h>
#include <math.h>

#define int128_t __int128
#define uint128_t unsigned __int128
#define UINT128_MAX (((uint128_t)UINT64_MAX<<64|UINT64_MAX))
ZIG_EXTERN_C void *memcpy (void *ZIG_RESTRICT, const void *ZIG_RESTRICT, size_t);
ZIG_EXTERN_C void *memset (void *, int, size_t);
ZIG_EXTERN_C int64_t    __addodi4(int64_t   lhs, int64_t   rhs, int *overflow);
ZIG_EXTERN_C int128_t   __addoti4(int128_t  lhs, int128_t  rhs, int *overflow);
ZIG_EXTERN_C uint64_t  __uaddodi4(uint64_t  lhs, uint64_t  rhs, int *overflow);
ZIG_EXTERN_C uint128_t __uaddoti4(uint128_t lhs, uint128_t rhs, int *overflow);
ZIG_EXTERN_C int32_t    __subosi4(int32_t   lhs, int32_t   rhs, int *overflow);
ZIG_EXTERN_C int64_t    __subodi4(int64_t   lhs, int64_t   rhs, int *overflow);
ZIG_EXTERN_C int128_t   __suboti4(int128_t  lhs, int128_t  rhs, int *overflow);
ZIG_EXTERN_C uint32_t  __usubosi4(uint32_t  lhs, uint32_t  rhs, int *overflow);
ZIG_EXTERN_C uint64_t  __usubodi4(uint64_t  lhs, uint64_t  rhs, int *overflow);
ZIG_EXTERN_C uint128_t __usuboti4(uint128_t lhs, uint128_t rhs, int *overflow);
ZIG_EXTERN_C int64_t    __mulodi4(int64_t   lhs, int64_t   rhs, int *overflow);
ZIG_EXTERN_C int128_t   __muloti4(int128_t  lhs, int128_t  rhs, int *overflow);
ZIG_EXTERN_C uint64_t  __umulodi4(uint64_t  lhs, uint64_t  rhs, int *overflow);
ZIG_EXTERN_C uint128_t __umuloti4(uint128_t lhs, uint128_t rhs, int *overflow);


static inline uint8_t zig_addw_u8(uint8_t lhs, uint8_t rhs, uint8_t max) {
    uint8_t thresh = max - rhs;
    if (lhs > thresh) {
        return lhs - thresh - 1;
    } else {
        return lhs + rhs;
    }
}

static inline int8_t zig_addw_i8(int8_t lhs, int8_t rhs, int8_t min, int8_t max) {
    if ((lhs > 0) && (rhs > 0)) {
        int8_t thresh = max - rhs;
        if (lhs > thresh) {
            return min + lhs - thresh - 1;
        }
    } else if ((lhs < 0) && (rhs < 0)) {
        int8_t thresh = min - rhs;
        if (lhs < thresh) {
            return max + lhs - thresh + 1;
        }
    }
    return lhs + rhs;
}

static inline uint16_t zig_addw_u16(uint16_t lhs, uint16_t rhs, uint16_t max) {
    uint16_t thresh = max - rhs;
    if (lhs > thresh) {
        return lhs - thresh - 1;
    } else {
        return lhs + rhs;
    }
}

static inline int16_t zig_addw_i16(int16_t lhs, int16_t rhs, int16_t min, int16_t max) {
    if ((lhs > 0) && (rhs > 0)) {
        int16_t thresh = max - rhs;
        if (lhs > thresh) {
            return min + lhs - thresh - 1;
        }
    } else if ((lhs < 0) && (rhs < 0)) {
        int16_t thresh = min - rhs;
        if (lhs < thresh) {
            return max + lhs - thresh + 1;
        }
    }
    return lhs + rhs;
}

static inline uint32_t zig_addw_u32(uint32_t lhs, uint32_t rhs, uint32_t max) {
    uint32_t thresh = max - rhs;
    if (lhs > thresh) {
        return lhs - thresh - 1;
    } else {
        return lhs + rhs;
    }
}

static inline int32_t zig_addw_i32(int32_t lhs, int32_t rhs, int32_t min, int32_t max) {
    if ((lhs > 0) && (rhs > 0)) {
        int32_t thresh = max - rhs;
        if (lhs > thresh) {
            return min + lhs - thresh - 1;
        }
    } else if ((lhs < 0) && (rhs < 0)) {
        int32_t thresh = min - rhs;
        if (lhs < thresh) {
            return max + lhs - thresh + 1;
        }
    }
    return lhs + rhs;
}

static inline uint64_t zig_addw_u64(uint64_t lhs, uint64_t rhs, uint64_t max) {
    uint64_t thresh = max - rhs;
    if (lhs > thresh) {
        return lhs - thresh - 1;
    } else {
        return lhs + rhs;
    }
}

static inline int64_t zig_addw_i64(int64_t lhs, int64_t rhs, int64_t min, int64_t max) {
    if ((lhs > 0) && (rhs > 0)) {
        int64_t thresh = max - rhs;
        if (lhs > thresh) {
            return min + lhs - thresh - 1;
        }
    } else if ((lhs < 0) && (rhs < 0)) {
        int64_t thresh = min - rhs;
        if (lhs < thresh) {
            return max + lhs - thresh + 1;
        }
    }
    return lhs + rhs;
}

static inline intptr_t zig_addw_isize(intptr_t lhs, intptr_t rhs, intptr_t min, intptr_t max) {
    return (intptr_t)(((uintptr_t)lhs) + ((uintptr_t)rhs));
}

static inline short zig_addw_short(short lhs, short rhs, short min, short max) {
    return (short)(((unsigned short)lhs) + ((unsigned short)rhs));
}

static inline int zig_addw_int(int lhs, int rhs, int min, int max) {
    return (int)(((unsigned)lhs) + ((unsigned)rhs));
}

static inline long zig_addw_long(long lhs, long rhs, long min, long max) {
    return (long)(((unsigned long)lhs) + ((unsigned long)rhs));
}

static inline long long zig_addw_longlong(long long lhs, long long rhs, long long min, long long max) {
    return (long long)(((unsigned long long)lhs) + ((unsigned long long)rhs));
}

static inline uint8_t zig_subw_u8(uint8_t lhs, uint8_t rhs, uint8_t max) {
    if (lhs < rhs) {
        return max - rhs - lhs + 1;
    } else {
        return lhs - rhs;
    }
}

static inline int8_t zig_subw_i8(int8_t lhs, int8_t rhs, int8_t min, int8_t max) {
    if ((lhs > 0) && (rhs < 0)) {
        int8_t thresh = lhs - max;
        if (rhs < thresh) {
            return min + (thresh - rhs - 1);
        }
    } else if ((lhs < 0) && (rhs > 0)) {
        int8_t thresh = lhs - min;
        if (rhs > thresh) {
            return max - (rhs - thresh - 1);
        }
    }
    return lhs - rhs;
}

static inline uint16_t zig_subw_u16(uint16_t lhs, uint16_t rhs, uint16_t max) {
    if (lhs < rhs) {
        return max - rhs - lhs + 1;
    } else {
        return lhs - rhs;
    }
}

static inline int16_t zig_subw_i16(int16_t lhs, int16_t rhs, int16_t min, int16_t max) {
    if ((lhs > 0) && (rhs < 0)) {
        int16_t thresh = lhs - max;
        if (rhs < thresh) {
            return min + (thresh - rhs - 1);
        }
    } else if ((lhs < 0) && (rhs > 0)) {
        int16_t thresh = lhs - min;
        if (rhs > thresh) {
            return max - (rhs - thresh - 1);
        }
    }
    return lhs - rhs;
}

static inline uint32_t zig_subw_u32(uint32_t lhs, uint32_t rhs, uint32_t max) {
    if (lhs < rhs) {
        return max - rhs - lhs + 1;
    } else {
        return lhs - rhs;
    }
}

static inline int32_t zig_subw_i32(int32_t lhs, int32_t rhs, int32_t min, int32_t max) {
    if ((lhs > 0) && (rhs < 0)) {
        int32_t thresh = lhs - max;
        if (rhs < thresh) {
            return min + (thresh - rhs - 1);
        }
    } else if ((lhs < 0) && (rhs > 0)) {
        int32_t thresh = lhs - min;
        if (rhs > thresh) {
            return max - (rhs - thresh - 1);
        }
    }
    return lhs - rhs;
}

static inline uint64_t zig_subw_u64(uint64_t lhs, uint64_t rhs, uint64_t max) {
    if (lhs < rhs) {
        return max - rhs - lhs + 1;
    } else {
        return lhs - rhs;
    }
}

static inline int64_t zig_subw_i64(int64_t lhs, int64_t rhs, int64_t min, int64_t max) {
    if ((lhs > 0) && (rhs < 0)) {
        int64_t thresh = lhs - max;
        if (rhs < thresh) {
            return min + (thresh - rhs - 1);
        }
    } else if ((lhs < 0) && (rhs > 0)) {
        int64_t thresh = lhs - min;
        if (rhs > thresh) {
            return max - (rhs - thresh - 1);
        }
    }
    return lhs - rhs;
}

static inline intptr_t zig_subw_isize(intptr_t lhs, intptr_t rhs, intptr_t min, intptr_t max) {
    return (intptr_t)(((uintptr_t)lhs) - ((uintptr_t)rhs));
}

static inline short zig_subw_short(short lhs, short rhs, short min, short max) {
    return (short)(((unsigned short)lhs) - ((unsigned short)rhs));
}

static inline int zig_subw_int(int lhs, int rhs, int min, int max) {
    return (int)(((unsigned)lhs) - ((unsigned)rhs));
}

static inline long zig_subw_long(long lhs, long rhs, long min, long max) {
    return (long)(((unsigned long)lhs) - ((unsigned long)rhs));
}

static inline long long zig_subw_longlong(long long lhs, long long rhs, long long min, long long max) {
    return (long long)(((unsigned long long)lhs) - ((unsigned long long)rhs));
}

static inline bool zig_addo_i8(int8_t lhs, int8_t rhs, int8_t *res, int8_t min, int8_t max) {
#if defined(__GNUC__) && INT8_MAX == INT_MAX
    if (min == INT8_MIN && max == INT8_MAX) {
        return __builtin_sadd_overflow(lhs, rhs, (int*)res);
    }
#elif defined(__GNUC__) && INT8_MAX == LONG_MAX
    if (min == INT8_MIN && max == INT8_MAX) {
        return __builtin_saddl_overflow(lhs, rhs, (long*)res);
    }
#elif defined(__GNUC__) && INT8_MAX == LLONG_MAX
    if (min == INT8_MIN && max == INT8_MAX) {
        return __builtin_saddll_overflow(lhs, rhs, (long long*)res);
    }
#endif
    int16_t big_result = (int16_t)lhs + (int16_t)rhs;
    if (big_result > max) {
        *res = big_result - ((int16_t)max - (int16_t)min);
        return true;
    }
    if (big_result < min) {
        *res = big_result + ((int16_t)max - (int16_t)min);
        return true;
    }
    *res = big_result;
    return false;
}

static inline bool zig_addo_i16(int16_t lhs, int16_t rhs, int16_t *res, int16_t min, int16_t max) {
#if defined(__GNUC__) && INT16_MAX == INT_MAX
    if (min == INT16_MIN && max == INT16_MAX) {
        return __builtin_sadd_overflow(lhs, rhs, (int*)res);
    }
#elif defined(__GNUC__) && INT16_MAX == LONG_MAX
    if (min == INT16_MIN && max == INT16_MAX) {
        return __builtin_saddl_overflow(lhs, rhs, (long*)res);
    }
#elif defined(__GNUC__) && INT16_MAX == LLONG_MAX
    if (min == INT16_MIN && max == INT16_MAX) {
        return __builtin_saddll_overflow(lhs, rhs, (long long*)res);
    }
#endif
    int32_t big_result = (int32_t)lhs + (int32_t)rhs;
    if (big_result > max) {
        *res = big_result - ((int32_t)max - (int32_t)min);
        return true;
    }
    if (big_result < min) {
        *res = big_result + ((int32_t)max - (int32_t)min);
        return true;
    }
    *res = big_result;
    return false;
}

static inline bool zig_addo_i32(int32_t lhs, int32_t rhs, int32_t *res, int32_t min, int32_t max) {
#if defined(__GNUC__) && INT32_MAX == INT_MAX
    if (min == INT32_MIN && max == INT32_MAX) {
        return __builtin_sadd_overflow(lhs, rhs, (int*)res);
    }
#elif defined(__GNUC__) && INT32_MAX == LONG_MAX
    if (min == INT32_MIN && max == INT32_MAX) {
        return __builtin_saddl_overflow(lhs, rhs, (long*)res);
    }
#elif defined(__GNUC__) && INT32_MAX == LLONG_MAX
    if (min == INT32_MIN && max == INT32_MAX) {
        return __builtin_saddll_overflow(lhs, rhs, (long long*)res);
    }
#endif
    int64_t big_result = (int64_t)lhs + (int64_t)rhs;
    if (big_result > max) {
        *res = big_result - ((int64_t)max - (int64_t)min);
        return true;
    }
    if (big_result < min) {
        *res = big_result + ((int64_t)max - (int64_t)min);
        return true;
    }
    *res = big_result;
    return false;
}

static inline bool zig_addo_i64(int64_t lhs, int64_t rhs, int64_t *res, int64_t min, int64_t max) {
    bool overflow;
#if defined(__GNUC__) && INT64_MAX == INT_MAX
    overflow = __builtin_sadd_overflow(lhs, rhs, (int*)res);
#elif defined(__GNUC__) && INT64_MAX == LONG_MAX
    overflow = __builtin_saddl_overflow(lhs, rhs, (long*)res);
#elif defined(__GNUC__) && INT64_MAX == LLONG_MAX
    overflow = __builtin_saddll_overflow(lhs, rhs, (long long*)res);
#else
    int int_overflow;
    *res = __addodi4(lhs, rhs, &int_overflow);
    overflow = int_overflow != 0;
#endif
    if (!overflow) {
        if (*res > max) {
            // TODO adjust the result to be the truncated bits
            return true;
        } else if (*res < min) {
            // TODO adjust the result to be the truncated bits
            return true;
        }
    }
    return overflow;
}

static inline bool zig_addo_i128(int128_t lhs, int128_t rhs, int128_t *res, int128_t min, int128_t max) {
    bool overflow;
#if defined(__GNUC__) && INT128_MAX == INT_MAX
    overflow = __builtin_sadd_overflow(lhs, rhs, (int*)res);
#elif defined(__GNUC__) && INT128_MAX == LONG_MAX
    overflow = __builtin_saddl_overflow(lhs, rhs, (long*)res);
#elif defined(__GNUC__) && INT128_MAX == LLONG_MAX
    overflow = __builtin_saddll_overflow(lhs, rhs, (long long*)res);
#else
    int int_overflow;
    *res = __addoti4(lhs, rhs, &int_overflow);
    overflow = int_overflow != 0;
#endif
    if (!overflow) {
        if (*res > max) {
            // TODO adjust the result to be the truncated bits
            return true;
        } else if (*res < min) {
            // TODO adjust the result to be the truncated bits
            return true;
        }
    }
    return overflow;
}

static inline bool zig_addo_u8(uint8_t lhs, uint8_t rhs, uint8_t *res, uint8_t max) {
#if defined(__GNUC__) && UINT8_MAX == UINT_MAX
    if (max == UINT8_MAX) {
        return __builtin_uadd_overflow(lhs, rhs, (unsigned int*)res);
    }
#elif defined(__GNUC__) && UINT8_MAX == ULONG_MAX
    if (max == UINT8_MAX) {
        return __builtin_uaddl_overflow(lhs, rhs, (unsigned long*)res);
    }
#elif defined(__GNUC__) && UINT8_MAX == ULLONG_MAX
    if (max == UINT8_MAX) {
        return __builtin_uaddll_overflow(lhs, rhs, (unsigned long long*)res);
    }
#endif
    uint16_t big_result = (uint16_t)lhs + (uint16_t)rhs;
    if (big_result > max) {
        *res = big_result - max - 1;
        return true;
    }
    *res = big_result;
    return false;
}

static inline uint16_t zig_addo_u16(uint16_t lhs, uint16_t rhs, uint16_t *res, uint16_t max) {
#if defined(__GNUC__) && UINT16_MAX == UINT_MAX
    if (max == UINT16_MAX) {
        return __builtin_uadd_overflow(lhs, rhs, (unsigned int*)res);
    }
#elif defined(__GNUC__) && UINT16_MAX == ULONG_MAX
    if (max == UINT16_MAX) {
        return __builtin_uaddl_overflow(lhs, rhs, (unsigned long*)res);
    }
#elif defined(__GNUC__) && UINT16_MAX == ULLONG_MAX
    if (max == UINT16_MAX) {
        return __builtin_uaddll_overflow(lhs, rhs, (unsigned long long*)res);
    }
#endif
    uint32_t big_result = (uint32_t)lhs + (uint32_t)rhs;
    if (big_result > max) {
        *res = big_result - max - 1;
        return true;
    }
    *res = big_result;
    return false;
}

static inline uint32_t zig_addo_u32(uint32_t lhs, uint32_t rhs, uint32_t *res, uint32_t max) {
#if defined(__GNUC__) && UINT32_MAX == UINT_MAX
    if (max == UINT32_MAX) {
        return __builtin_uadd_overflow(lhs, rhs, (unsigned int*)res);
    }
#elif defined(__GNUC__) && UINT32_MAX == ULONG_MAX
    if (max == UINT32_MAX) {
        return __builtin_uaddl_overflow(lhs, rhs, (unsigned long*)res);
    }
#elif defined(__GNUC__) && UINT32_MAX == ULLONG_MAX
    if (max == UINT32_MAX) {
        return __builtin_uaddll_overflow(lhs, rhs, (unsigned long long*)res);
    }
#endif
    uint64_t big_result = (uint64_t)lhs + (uint64_t)rhs;
    if (big_result > max) {
        *res = big_result - max - 1;
        return true;
    }
    *res = big_result;
    return false;
}

static inline uint64_t zig_addo_u64(uint64_t lhs, uint64_t rhs, uint64_t *res, uint64_t max) {
    bool overflow;
#if defined(__GNUC__) && UINT64_MAX == UINT_MAX
    overflow = __builtin_uadd_overflow(lhs, rhs, (unsigned int*)res);
#elif defined(__GNUC__) && UINT64_MAX == ULONG_MAX
    overflow = __builtin_uaddl_overflow(lhs, rhs, (unsigned long*)res);
#elif defined(__GNUC__) && UINT64_MAX == ULLONG_MAX
    overflow = __builtin_uaddll_overflow(lhs, rhs, (unsigned long long*)res);
#else
    int int_overflow;
    *res = __uaddodi4(lhs, rhs, &int_overflow);
    overflow = int_overflow != 0;
#endif
    if (*res > max && !overflow) {
        *res -= max - 1;
        return true;
    }
    return overflow;
}

static inline uint128_t zig_addo_u128(uint128_t lhs, uint128_t rhs, uint128_t *res, uint128_t max) {
    int overflow;
    *res = __uaddoti4(lhs, rhs, &overflow);
    if (*res > max && overflow == 0) {
        *res -= max - 1;
        return true;
    }
    return overflow != 0;
}

static inline bool zig_subo_i8(int8_t lhs, int8_t rhs, int8_t *res, int8_t min, int8_t max) {
#if defined(__GNUC__) && INT8_MAX == INT_MAX
    if (min == INT8_MIN && max == INT8_MAX) {
        return __builtin_ssub_overflow(lhs, rhs, (int*)res);
    }
#elif defined(__GNUC__) && INT8_MAX == LONG_MAX
    if (min == INT8_MIN && max == INT8_MAX) {
        return __builtin_ssubl_overflow(lhs, rhs, (long*)res);
    }
#elif defined(__GNUC__) && INT8_MAX == LLONG_MAX
    if (min == INT8_MIN && max == INT8_MAX) {
        return __builtin_ssubll_overflow(lhs, rhs, (long long*)res);
    }
#endif
    int16_t big_result = (int16_t)lhs - (int16_t)rhs;
    if (big_result > max) {
        *res = big_result - ((int16_t)max - (int16_t)min);
        return true;
    }
    if (big_result < min) {
        *res = big_result + ((int16_t)max - (int16_t)min);
        return true;
    }
    *res = big_result;
    return false;
}

static inline bool zig_subo_i16(int16_t lhs, int16_t rhs, int16_t *res, int16_t min, int16_t max) {
#if defined(__GNUC__) && INT16_MAX == INT_MAX
    if (min == INT16_MIN && max == INT16_MAX) {
        return __builtin_ssub_overflow(lhs, rhs, (int*)res);
    }
#elif defined(__GNUC__) && INT16_MAX == LONG_MAX
    if (min == INT16_MIN && max == INT16_MAX) {
        return __builtin_ssubl_overflow(lhs, rhs, (long*)res);
    }
#elif defined(__GNUC__) && INT16_MAX == LLONG_MAX
    if (min == INT16_MIN && max == INT16_MAX) {
        return __builtin_ssubll_overflow(lhs, rhs, (long long*)res);
    }
#endif
    int32_t big_result = (int32_t)lhs - (int32_t)rhs;
    if (big_result > max) {
        *res = big_result - ((int32_t)max - (int32_t)min);
        return true;
    }
    if (big_result < min) {
        *res = big_result + ((int32_t)max - (int32_t)min);
        return true;
    }
    *res = big_result;
    return false;
}

static inline bool zig_subo_i32(int32_t lhs, int32_t rhs, int32_t *res, int32_t min, int32_t max) {
#if defined(__GNUC__) && INT32_MAX == INT_MAX
    if (min == INT32_MIN && max == INT32_MAX) {
        return __builtin_ssub_overflow(lhs, rhs, (int*)res);
    }
#elif defined(__GNUC__) && INT32_MAX == LONG_MAX
    if (min == INT32_MIN && max == INT32_MAX) {
        return __builtin_ssubl_overflow(lhs, rhs, (long*)res);
    }
#elif defined(__GNUC__) && INT32_MAX == LLONG_MAX
    if (min == INT32_MIN && max == INT32_MAX) {
        return __builtin_ssubll_overflow(lhs, rhs, (long long*)res);
    }
#endif
    int64_t big_result = (int64_t)lhs - (int64_t)rhs;
    if (big_result > max) {
        *res = big_result - ((int64_t)max - (int64_t)min);
        return true;
    }
    if (big_result < min) {
        *res = big_result + ((int64_t)max - (int64_t)min);
        return true;
    }
    *res = big_result;
    return false;
}

static inline bool zig_subo_i64(int64_t lhs, int64_t rhs, int64_t *res, int64_t min, int64_t max) {
    bool overflow;
#if defined(__GNUC__) && INT64_MAX == INT_MAX
    overflow = __builtin_ssub_overflow(lhs, rhs, (int*)res);
#elif defined(__GNUC__) && INT64_MAX == LONG_MAX
    overflow = __builtin_ssubl_overflow(lhs, rhs, (long*)res);
#elif defined(__GNUC__) && INT64_MAX == LLONG_MAX
    overflow = __builtin_ssubll_overflow(lhs, rhs, (long long*)res);
#else
    int int_overflow;
    *res = __subodi4(lhs, rhs, &int_overflow);
    overflow = int_overflow != 0;
#endif
    if (!overflow) {
        if (*res > max) {
            // TODO adjust the result to be the truncated bits
            return true;
        } else if (*res < min) {
            // TODO adjust the result to be the truncated bits
            return true;
        }
    }
    return overflow;
}

static inline bool zig_subo_i128(int128_t lhs, int128_t rhs, int128_t *res, int128_t min, int128_t max) {
    bool overflow;
#if defined(__GNUC__) && INT128_MAX == INT_MAX
    overflow = __builtin_ssub_overflow(lhs, rhs, (int*)res);
#elif defined(__GNUC__) && INT128_MAX == LONG_MAX
    overflow = __builtin_ssubl_overflow(lhs, rhs, (long*)res);
#elif defined(__GNUC__) && INT128_MAX == LLONG_MAX
    overflow = __builtin_ssubll_overflow(lhs, rhs, (long long*)res);
#else
    int int_overflow;
    *res = __suboti4(lhs, rhs, &int_overflow);
    overflow = int_overflow != 0;
#endif
    if (!overflow) {
        if (*res > max) {
            // TODO adjust the result to be the truncated bits
            return true;
        } else if (*res < min) {
            // TODO adjust the result to be the truncated bits
            return true;
        }
    }
    return overflow;
}

static inline bool zig_subo_u8(uint8_t lhs, uint8_t rhs, uint8_t *res, uint8_t max) {
#if defined(__GNUC__) && UINT8_MAX == UINT_MAX
    return __builtin_usub_overflow(lhs, rhs, (unsigned int*)res);
#elif defined(__GNUC__) && UINT8_MAX == ULONG_MAX
    return __builtin_usubl_overflow(lhs, rhs, (unsigned long*)res);
#elif defined(__GNUC__) && UINT8_MAX == ULLONG_MAX
    return __builtin_usubll_overflow(lhs, rhs, (unsigned long long*)res);
#endif
    if (rhs > lhs) {
        *res = max - (rhs - lhs - 1);
        return true;
    }
    *res = lhs - rhs;
    return false;
}

static inline uint16_t zig_subo_u16(uint16_t lhs, uint16_t rhs, uint16_t *res, uint16_t max) {
#if defined(__GNUC__) && UINT16_MAX == UINT_MAX
    return __builtin_usub_overflow(lhs, rhs, (unsigned int*)res);
#elif defined(__GNUC__) && UINT16_MAX == ULONG_MAX
    return __builtin_usubl_overflow(lhs, rhs, (unsigned long*)res);
#elif defined(__GNUC__) && UINT16_MAX == ULLONG_MAX
    return __builtin_usubll_overflow(lhs, rhs, (unsigned long long*)res);
#endif
    if (rhs > lhs) {
        *res = max - (rhs - lhs - 1);
        return true;
    }
    *res = lhs - rhs;
    return false;
}

static inline uint32_t zig_subo_u32(uint32_t lhs, uint32_t rhs, uint32_t *res, uint32_t max) {
    if (max == UINT32_MAX) {
#if defined(__GNUC__) && UINT32_MAX == UINT_MAX
        return __builtin_usub_overflow(lhs, rhs, (unsigned int*)res);
#elif defined(__GNUC__) && UINT32_MAX == ULONG_MAX
        return __builtin_usubl_overflow(lhs, rhs, (unsigned long*)res);
#elif defined(__GNUC__) && UINT32_MAX == ULLONG_MAX
        return __builtin_usubll_overflow(lhs, rhs, (unsigned long long*)res);
#endif
        int int_overflow;
        *res = __usubosi4(lhs, rhs, &int_overflow);
        return int_overflow != 0;
    } else {
        if (rhs > lhs) {
            *res = max - (rhs - lhs - 1);
            return true;
        }
        *res = lhs - rhs;
        return false;
    }
}

static inline uint64_t zig_subo_u64(uint64_t lhs, uint64_t rhs, uint64_t *res, uint64_t max) {
    if (max == UINT64_MAX) {
#if defined(__GNUC__) && UINT64_MAX == UINT_MAX
        return __builtin_usub_overflow(lhs, rhs, (unsigned int*)res);
#elif defined(__GNUC__) && UINT64_MAX == ULONG_MAX
        return __builtin_usubl_overflow(lhs, rhs, (unsigned long*)res);
#elif defined(__GNUC__) && UINT64_MAX == ULLONG_MAX
        return __builtin_usubll_overflow(lhs, rhs, (unsigned long long*)res);
#else
        int int_overflow;
        *res = __usubodi4(lhs, rhs, &int_overflow);
        return int_overflow != 0;
#endif
    } else {
        if (rhs > lhs) {
            *res = max - (rhs - lhs - 1);
            return true;
        }
        *res = lhs - rhs;
        return false;
    }
}

static inline uint128_t zig_subo_u128(uint128_t lhs, uint128_t rhs, uint128_t *res, uint128_t max) {
    if (max == UINT128_MAX) {
        int int_overflow;
        *res = __usuboti4(lhs, rhs, &int_overflow);
        return int_overflow != 0;
    } else {
        if (rhs > lhs) {
            *res = max - (rhs - lhs - 1);
            return true;
        }
        *res = lhs - rhs;
        return false;
    }
}

static inline bool zig_mulo_i8(int8_t lhs, int8_t rhs, int8_t *res, int8_t min, int8_t max) {
#if defined(__GNUC__) && INT8_MAX == INT_MAX
    if (min == INT8_MIN && max == INT8_MAX) {
        return __builtin_smul_overflow(lhs, rhs, (int*)res);
    }
#elif defined(__GNUC__) && INT8_MAX == LONG_MAX
    if (min == INT8_MIN && max == INT8_MAX) {
        return __builtin_smull_overflow(lhs, rhs, (long*)res);
    }
#elif defined(__GNUC__) && INT8_MAX == LLONG_MAX
    if (min == INT8_MIN && max == INT8_MAX) {
        return __builtin_smulll_overflow(lhs, rhs, (long long*)res);
    }
#endif
    int16_t big_result = (int16_t)lhs * (int16_t)rhs;
    if (big_result > max) {
        *res = big_result - ((int16_t)max - (int16_t)min);
        return true;
    }
    if (big_result < min) {
        *res = big_result + ((int16_t)max - (int16_t)min);
        return true;
    }
    *res = big_result;
    return false;
}

static inline bool zig_mulo_i16(int16_t lhs, int16_t rhs, int16_t *res, int16_t min, int16_t max) {
#if defined(__GNUC__) && INT16_MAX == INT_MAX
    if (min == INT16_MIN && max == INT16_MAX) {
        return __builtin_smul_overflow(lhs, rhs, (int*)res);
    }
#elif defined(__GNUC__) && INT16_MAX == LONG_MAX
    if (min == INT16_MIN && max == INT16_MAX) {
        return __builtin_smull_overflow(lhs, rhs, (long*)res);
    }
#elif defined(__GNUC__) && INT16_MAX == LLONG_MAX
    if (min == INT16_MIN && max == INT16_MAX) {
        return __builtin_smulll_overflow(lhs, rhs, (long long*)res);
    }
#endif
    int32_t big_result = (int32_t)lhs * (int32_t)rhs;
    if (big_result > max) {
        *res = big_result - ((int32_t)max - (int32_t)min);
        return true;
    }
    if (big_result < min) {
        *res = big_result + ((int32_t)max - (int32_t)min);
        return true;
    }
    *res = big_result;
    return false;
}

static inline bool zig_mulo_i32(int32_t lhs, int32_t rhs, int32_t *res, int32_t min, int32_t max) {
#if defined(__GNUC__) && INT32_MAX == INT_MAX
    if (min == INT32_MIN && max == INT32_MAX) {
        return __builtin_smul_overflow(lhs, rhs, (int*)res);
    }
#elif defined(__GNUC__) && INT32_MAX == LONG_MAX
    if (min == INT32_MIN && max == INT32_MAX) {
        return __builtin_smull_overflow(lhs, rhs, (long*)res);
    }
#elif defined(__GNUC__) && INT32_MAX == LLONG_MAX
    if (min == INT32_MIN && max == INT32_MAX) {
        return __builtin_smulll_overflow(lhs, rhs, (long long*)res);
    }
#endif
    int64_t big_result = (int64_t)lhs * (int64_t)rhs;
    if (big_result > max) {
        *res = big_result - ((int64_t)max - (int64_t)min);
        return true;
    }
    if (big_result < min) {
        *res = big_result + ((int64_t)max - (int64_t)min);
        return true;
    }
    *res = big_result;
    return false;
}

static inline bool zig_mulo_i64(int64_t lhs, int64_t rhs, int64_t *res, int64_t min, int64_t max) {
    bool overflow;
#if defined(__GNUC__) && INT64_MAX == INT_MAX
    overflow = __builtin_smul_overflow(lhs, rhs, (int*)res);
#elif defined(__GNUC__) && INT64_MAX == LONG_MAX
    overflow = __builtin_smull_overflow(lhs, rhs, (long*)res);
#elif defined(__GNUC__) && INT64_MAX == LLONG_MAX
    overflow = __builtin_smulll_overflow(lhs, rhs, (long long*)res);
#else
    int int_overflow;
    *res = __mulodi4(lhs, rhs, &int_overflow);
    overflow = int_overflow != 0;
#endif
    if (!overflow) {
        if (*res > max) {
            // TODO adjust the result to be the truncated bits
            return true;
        } else if (*res < min) {
            // TODO adjust the result to be the truncated bits
            return true;
        }
    }
    return overflow;
}

static inline bool zig_mulo_i128(int128_t lhs, int128_t rhs, int128_t *res, int128_t min, int128_t max) {
    bool overflow;
#if defined(__GNUC__) && INT128_MAX == INT_MAX
    overflow = __builtin_smul_overflow(lhs, rhs, (int*)res);
#elif defined(__GNUC__) && INT128_MAX == LONG_MAX
    overflow = __builtin_smull_overflow(lhs, rhs, (long*)res);
#elif defined(__GNUC__) && INT128_MAX == LLONG_MAX
    overflow = __builtin_smulll_overflow(lhs, rhs, (long long*)res);
#else
    int int_overflow;
    *res = __muloti4(lhs, rhs, &int_overflow);
    overflow = int_overflow != 0;
#endif
    if (!overflow) {
        if (*res > max) {
            // TODO adjust the result to be the truncated bits
            return true;
        } else if (*res < min) {
            // TODO adjust the result to be the truncated bits
            return true;
        }
    }
    return overflow;
}

static inline bool zig_mulo_u8(uint8_t lhs, uint8_t rhs, uint8_t *res, uint8_t max) {
#if defined(__GNUC__) && UINT8_MAX == UINT_MAX
    if (max == UINT8_MAX) {
        return __builtin_umul_overflow(lhs, rhs, (unsigned int*)res);
    }
#elif defined(__GNUC__) && UINT8_MAX == ULONG_MAX
    if (max == UINT8_MAX) {
        return __builtin_umull_overflow(lhs, rhs, (unsigned long*)res);
    }
#elif defined(__GNUC__) && UINT8_MAX == ULLONG_MAX
    if (max == UINT8_MAX) {
        return __builtin_umulll_overflow(lhs, rhs, (unsigned long long*)res);
    }
#endif
    uint16_t big_result = (uint16_t)lhs * (uint16_t)rhs;
    if (big_result > max) {
        *res = big_result - max - 1;
        return true;
    }
    *res = big_result;
    return false;
}

static inline uint16_t zig_mulo_u16(uint16_t lhs, uint16_t rhs, uint16_t *res, uint16_t max) {
#if defined(__GNUC__) && UINT16_MAX == UINT_MAX
    if (max == UINT16_MAX) {
        return __builtin_umul_overflow(lhs, rhs, (unsigned int*)res);
    }
#elif defined(__GNUC__) && UINT16_MAX == ULONG_MAX
    if (max == UINT16_MAX) {
        return __builtin_umull_overflow(lhs, rhs, (unsigned long*)res);
    }
#elif defined(__GNUC__) && UINT16_MAX == ULLONG_MAX
    if (max == UINT16_MAX) {
        return __builtin_umulll_overflow(lhs, rhs, (unsigned long long*)res);
    }
#endif
    uint32_t big_result = (uint32_t)lhs * (uint32_t)rhs;
    if (big_result > max) {
        *res = big_result - max - 1;
        return true;
    }
    *res = big_result;
    return false;
}

static inline uint32_t zig_mulo_u32(uint32_t lhs, uint32_t rhs, uint32_t *res, uint32_t max) {
#if defined(__GNUC__) && UINT32_MAX == UINT_MAX
    if (max == UINT32_MAX) {
        return __builtin_umul_overflow(lhs, rhs, (unsigned int*)res);
    }
#elif defined(__GNUC__) && UINT32_MAX == ULONG_MAX
    if (max == UINT32_MAX) {
        return __builtin_umull_overflow(lhs, rhs, (unsigned long*)res);
    }
#elif defined(__GNUC__) && UINT32_MAX == ULLONG_MAX
    if (max == UINT32_MAX) {
        return __builtin_umulll_overflow(lhs, rhs, (unsigned long long*)res);
    }
#endif
    uint64_t big_result = (uint64_t)lhs * (uint64_t)rhs;
    if (big_result > max) {
        *res = big_result - max - 1;
        return true;
    }
    *res = big_result;
    return false;
}

static inline uint64_t zig_mulo_u64(uint64_t lhs, uint64_t rhs, uint64_t *res, uint64_t max) {
    bool overflow;
#if defined(__GNUC__) && UINT64_MAX == UINT_MAX
    overflow = __builtin_umul_overflow(lhs, rhs, (unsigned int*)res);
#elif defined(__GNUC__) && UINT64_MAX == ULONG_MAX
    overflow = __builtin_umull_overflow(lhs, rhs, (unsigned long*)res);
#elif defined(__GNUC__) && UINT64_MAX == ULLONG_MAX
    overflow = __builtin_umulll_overflow(lhs, rhs, (unsigned long long*)res);
#else
    int int_overflow;
    *res = __umulodi4(lhs, rhs, &int_overflow);
    overflow = int_overflow != 0;
#endif
    if (*res > max && !overflow) {
        *res -= max - 1;
        return true;
    }
    return overflow;
}

static inline uint128_t zig_mulo_u128(uint128_t lhs, uint128_t rhs, uint128_t *res, uint128_t max) {
    int overflow;
    *res = __umuloti4(lhs, rhs, &overflow);
    if (*res > max && overflow == 0) {
        *res -= max - 1;
        return true;
    }
    return overflow != 0;
}

static inline float zig_bitcast_f32_u32(uint32_t arg) {
    float dest;
    memcpy(&dest, &arg, sizeof dest);
    return dest;
}

static inline float zig_bitcast_f64_u64(uint64_t arg) {
    double dest;
    memcpy(&dest, &arg, sizeof dest);
    return dest;
}

#define zig_add_sat_u(ZT, T) static inline T zig_adds_##ZT(T x, T y, T max) { \
    return (x > max - y) ? max : x + y; \
}

#define zig_add_sat_s(ZT, T, T2) static inline T zig_adds_##ZT(T2 x, T2 y, T2 min, T2 max) { \
    T2 res = x + y; \
    return (res < min) ? min : (res > max) ? max : res; \
}

zig_add_sat_u( u8,    uint8_t)
zig_add_sat_s( i8,     int8_t,  int16_t)
zig_add_sat_u(u16,   uint16_t)
zig_add_sat_s(i16,    int16_t,  int32_t)
zig_add_sat_u(u32,   uint32_t)
zig_add_sat_s(i32,    int32_t,  int64_t)
zig_add_sat_u(u64,   uint64_t)
zig_add_sat_s(i64,    int64_t, int128_t)
zig_add_sat_s(isize, intptr_t, int128_t)
zig_add_sat_s(short,    short, int)
zig_add_sat_s(int,        int, long)
zig_add_sat_s(long,      long, long long)

#define zig_sub_sat_u(ZT, T) static inline T zig_subs_##ZT(T x, T y, T max) { \
    return (x > max + y) ? max : x - y; \
}

#define zig_sub_sat_s(ZT, T, T2) static inline T zig_subs_##ZT(T2 x, T2 y, T2 min, T2 max) { \
    T2 res = x - y; \
    return (res < min) ? min : (res > max) ? max : res; \
}

zig_sub_sat_u( u8,    uint8_t)
zig_sub_sat_s( i8,     int8_t,  int16_t)
zig_sub_sat_u(u16,   uint16_t)
zig_sub_sat_s(i16,    int16_t,  int32_t)
zig_sub_sat_u(u32,   uint32_t)
zig_sub_sat_s(i32,    int32_t,  int64_t)
zig_sub_sat_u(u64,   uint64_t)
zig_sub_sat_s(i64,    int64_t, int128_t)
zig_sub_sat_s(isize, intptr_t, int128_t)
zig_sub_sat_s(short,    short, int)
zig_sub_sat_s(int,        int, long)
zig_sub_sat_s(long,      long, long long)


#define zig_mul_sat_u(ZT, T, T2) static inline T zig_muls_##ZT(T2 x, T2 y, T2 max) { \
    T2 res = x * y; \
    return (res > max) ? max : res; \
}

#define zig_mul_sat_s(ZT, T, T2) static inline T zig_muls_##ZT(T2 x, T2 y, T2 min, T2 max) { \
    T2 res = x * y; \
    return (res < min) ? min : (res > max) ? max : res; \
}

zig_mul_sat_u(u8,    uint8_t,   uint16_t)
zig_mul_sat_s(i8,     int8_t,    int16_t)
zig_mul_sat_u(u16,   uint16_t,  uint32_t)
zig_mul_sat_s(i16,    int16_t,   int32_t)
zig_mul_sat_u(u32,   uint32_t,  uint64_t)
zig_mul_sat_s(i32,    int32_t,   int64_t)
zig_mul_sat_u(u64,   uint64_t, uint128_t)
zig_mul_sat_s(i64,    int64_t,  int128_t)
zig_mul_sat_s(isize, intptr_t,  int128_t)
zig_mul_sat_s(short,    short, int)
zig_mul_sat_s(int,        int, long)
zig_mul_sat_s(long,      long, long long)

#define zig_shl_sat_u(ZT, T, bits) static inline T zig_shls_##ZT(T x, T y, T max) { \
    if(x == 0) return 0; \
    T bits_set = 64 - __builtin_clzll(x); \
    return (bits_set + y > bits) ? max : x << y; \
}

#define zig_shl_sat_s(ZT, T, bits) static inline T zig_shls_##ZT(T x, T y, T min, T max) { \
    if(x == 0) return 0; \
    T x_twos_comp = x < 0 ? -x : x; \
    T bits_set = 64 - __builtin_clzll(x_twos_comp); \
    T min_or_max = (x < 0) ? min : max; \
    return (y + bits_set > bits ) ?  min_or_max : x << y; \
}

zig_shl_sat_u(u8,     uint8_t, 8)
zig_shl_sat_s(i8,      int8_t, 7)
zig_shl_sat_u(u16,   uint16_t, 16)
zig_shl_sat_s(i16,    int16_t, 15)
zig_shl_sat_u(u32,   uint32_t, 32)
zig_shl_sat_s(i32,    int32_t, 31)
zig_shl_sat_u(u64,   uint64_t, 64)
zig_shl_sat_s(i64,    int64_t, 63)
zig_shl_sat_s(isize, intptr_t, ((sizeof(intptr_t)) * CHAR_BIT - 1))
zig_shl_sat_s(short,    short, ((sizeof(short   )) * CHAR_BIT - 1))
zig_shl_sat_s(int,        int, ((sizeof(int     )) * CHAR_BIT - 1))
zig_shl_sat_s(long,      long, ((sizeof(long    )) * CHAR_BIT - 1))

#define zig_bitsizeof(T) (CHAR_BIT * sizeof(T))
#define zig_bit_mask(T, bit_width) \
    ((bit_width) == zig_bitsizeof(T) \
     ? ((T)-1) \
     : (((T)1 << (T)(bit_width)) - 1))

static inline int zig_clz(unsigned int value, uint8_t zig_type_bit_width) {
    if (value == 0) return zig_type_bit_width;
    return __builtin_clz(value) - zig_bitsizeof(unsigned int) + zig_type_bit_width;
}

static inline int zig_clzl(unsigned long value, uint8_t zig_type_bit_width) {
    if (value == 0) return zig_type_bit_width;
    return __builtin_clzl(value) - zig_bitsizeof(unsigned long) + zig_type_bit_width;
}

static inline int zig_clzll(unsigned long long value, uint8_t zig_type_bit_width) {
    if (value == 0) return zig_type_bit_width;
    return __builtin_clzll(value) - zig_bitsizeof(unsigned long long) + zig_type_bit_width;
}

#define zig_clz_u8  zig_clz
#define zig_clz_i8  zig_clz
#define zig_clz_u16 zig_clz
#define zig_clz_i16 zig_clz
#define zig_clz_u32 zig_clzl
#define zig_clz_i32 zig_clzl
#define zig_clz_u64 zig_clzll
#define zig_clz_i64 zig_clzll

static inline int zig_clz_u128(uint128_t value, uint8_t zig_type_bit_width) {
    if (value == 0) return zig_type_bit_width;
    const uint128_t mask = zig_bit_mask(uint128_t, zig_type_bit_width);
    const uint64_t hi = (value & mask) >> 64;
    const uint64_t lo = (value & mask);
    const int leading_zeroes = (
        hi != 0 ? __builtin_clzll(hi) : 64 + (lo != 0 ? __builtin_clzll(lo) : 64));
    return leading_zeroes - zig_bitsizeof(uint128_t) + zig_type_bit_width;
}

#define zig_clz_i128 zig_clz_u128

static inline int zig_ctz(unsigned int value, uint8_t zig_type_bit_width) {
    if (value == 0) return zig_type_bit_width;
    return __builtin_ctz(value & zig_bit_mask(unsigned int, zig_type_bit_width));
}

static inline int zig_ctzl(unsigned long value, uint8_t zig_type_bit_width) {
    if (value == 0) return zig_type_bit_width;
    return __builtin_ctzl(value & zig_bit_mask(unsigned long, zig_type_bit_width));
}

static inline int zig_ctzll(unsigned long value, uint8_t zig_type_bit_width) {
    if (value == 0) return zig_type_bit_width;
    return __builtin_ctzll(value & zig_bit_mask(unsigned long, zig_type_bit_width));
}

#define zig_ctz_u8  zig_ctz
#define zig_ctz_i8  zig_ctz
#define zig_ctz_u16 zig_ctz
#define zig_ctz_i16 zig_ctz
#define zig_ctz_u32 zig_ctzl
#define zig_ctz_i32 zig_ctzl
#define zig_ctz_u64 zig_ctzll
#define zig_ctz_i64 zig_ctzll

static inline int zig_ctz_u128(uint128_t value, uint8_t zig_type_bit_width) {
    const uint128_t mask = zig_bit_mask(uint128_t, zig_type_bit_width);
    const uint64_t hi = (value & mask) >> 64;
    const uint64_t lo = (value & mask);
    return (lo != 0 ? __builtin_ctzll(lo) : 64 + (hi != 0 ? __builtin_ctzll(hi) : 64));
}

#define zig_ctz_i128 zig_ctz_u128

static inline int zig_popcount(unsigned int value, uint8_t zig_type_bit_width) {
    return __builtin_popcount(value & zig_bit_mask(unsigned int, zig_type_bit_width));
}

static inline int zig_popcountl(unsigned long value, uint8_t zig_type_bit_width) {
    return __builtin_popcountl(value & zig_bit_mask(unsigned long, zig_type_bit_width));
}

static inline int zig_popcountll(unsigned long value, uint8_t zig_type_bit_width) {
    return __builtin_popcountll(value & zig_bit_mask(unsigned long, zig_type_bit_width));
}

#define zig_popcount_u8  zig_popcount
#define zig_popcount_i8  zig_popcount
#define zig_popcount_u16 zig_popcount
#define zig_popcount_i16 zig_popcount
#define zig_popcount_u32 zig_popcountl
#define zig_popcount_i32 zig_popcountl
#define zig_popcount_u64 zig_popcountll
#define zig_popcount_i64 zig_popcountll

static inline int zig_popcount_u128(uint128_t value, uint8_t zig_type_bit_width) {
    const uint128_t mask = zig_bit_mask(uint128_t, zig_type_bit_width);
    const uint64_t hi = (value & mask) >> 64;
    const uint64_t lo = (value & mask);
    return __builtin_popcountll(hi) + __builtin_popcountll(lo);
}

#define zig_popcount_i128 zig_popcount_u128

static inline bool zig_shlo_i8(int8_t lhs, int8_t rhs, int8_t *res, uint8_t bits) {
    *res = lhs << rhs;
    if (zig_clz_i8(lhs, bits) >= rhs) return false;
    *res &= UINT8_MAX >> (8 - bits);
    return true;
}

static inline bool zig_shlo_i16(int16_t lhs, int16_t rhs, int16_t *res, uint8_t bits) {
    *res = lhs << rhs;
    if (zig_clz_i16(lhs, bits) >= rhs) return false;
    *res &= UINT16_MAX >> (16 - bits);
    return true;
}

static inline bool zig_shlo_i32(int32_t lhs, int32_t rhs, int32_t *res, uint8_t bits) {
    *res = lhs << rhs;
    if (zig_clz_i32(lhs, bits) >= rhs) return false;
    *res &= UINT32_MAX >> (32 - bits);
    return true;
}

static inline bool zig_shlo_i64(int64_t lhs, int64_t rhs, int64_t *res, uint8_t bits) {
    *res = lhs << rhs;
    if (zig_clz_i64(lhs, bits) >= rhs) return false;
    *res &= UINT64_MAX >> (64 - bits);
    return true;
}

static inline bool zig_shlo_i128(int128_t lhs, int128_t rhs, int128_t *res, uint8_t bits) {
    *res = lhs << rhs;
    if (zig_clz_i128(lhs, bits) >= rhs) return false;
    *res &= UINT128_MAX >> (128 - bits);
    return true;
}

static inline bool zig_shlo_u8(uint8_t lhs, uint8_t rhs, uint8_t *res, uint8_t bits) {
    *res = lhs << rhs;
    if (zig_clz_u8(lhs, bits) >= rhs) return false;
    *res &= UINT8_MAX >> (8 - bits);
    return true;
}

static inline uint16_t zig_shlo_u16(uint16_t lhs, uint16_t rhs, uint16_t *res, uint8_t bits) {
    *res = lhs << rhs;
    if (zig_clz_u16(lhs, bits) >= rhs) return false;
    *res &= UINT16_MAX >> (16 - bits);
    return true;
}

static inline uint32_t zig_shlo_u32(uint32_t lhs, uint32_t rhs, uint32_t *res, uint8_t bits) {
    *res = lhs << rhs;
    if (zig_clz_u32(lhs, bits) >= rhs) return false;
    *res &= UINT32_MAX >> (32 - bits);
    return true;
}

static inline uint64_t zig_shlo_u64(uint64_t lhs, uint64_t rhs, uint64_t *res, uint8_t bits) {
    *res = lhs << rhs;
    if (zig_clz_u64(lhs, bits) >= rhs) return false;
    *res &= UINT64_MAX >> (64 - bits);
    return true;
}

static inline uint128_t zig_shlo_u128(uint128_t lhs, uint128_t rhs, uint128_t *res, uint8_t bits) {
    *res = lhs << rhs;
    if (zig_clz_u128(lhs, bits) >= rhs) return false;
    *res &= UINT128_MAX >> (128 - bits);
    return true;
}

#define zig_sign_extend(T) \
    static inline T zig_sign_extend_##T(T value, uint8_t zig_type_bit_width) { \
        const T m = (T)1 << (T)(zig_type_bit_width - 1); \
        return (value ^ m) - m; \
    }

zig_sign_extend(uint8_t)
zig_sign_extend(uint16_t)
zig_sign_extend(uint32_t)
zig_sign_extend(uint64_t)
zig_sign_extend(uint128_t)

#define zig_byte_swap_u(ZigTypeBits, CTypeBits) \
    static inline uint##CTypeBits##_t zig_byte_swap_u##ZigTypeBits(uint##CTypeBits##_t value, uint8_t zig_type_bit_width) { \
        return __builtin_bswap##CTypeBits(value) >> (CTypeBits - zig_type_bit_width); \
    }

#define zig_byte_swap_s(ZigTypeBits, CTypeBits) \
    static inline int##CTypeBits##_t zig_byte_swap_i##ZigTypeBits(int##CTypeBits##_t value, uint8_t zig_type_bit_width) { \
        const uint##CTypeBits##_t swapped = zig_byte_swap_u##ZigTypeBits(value, zig_type_bit_width); \
        return zig_sign_extend_uint##CTypeBits##_t(swapped, zig_type_bit_width); \
    }

#define zig_byte_swap(ZigTypeBits, CTypeBits) \
    zig_byte_swap_u(ZigTypeBits, CTypeBits) \
    zig_byte_swap_s(ZigTypeBits, CTypeBits)

zig_byte_swap( 8, 16)
zig_byte_swap(16, 16)
zig_byte_swap(32, 32)
zig_byte_swap(64, 64)

static inline uint128_t zig_byte_swap_u128(uint128_t value, uint8_t zig_type_bit_width) {
    const uint128_t mask = zig_bit_mask(uint128_t, zig_type_bit_width);
    const uint128_t hi = __builtin_bswap64((uint64_t)(value >> 64));
    const uint128_t lo = __builtin_bswap64((uint64_t)value);
    return (((lo << 64 | hi) >> (128 - zig_type_bit_width))) & mask;
}

zig_byte_swap_s(128, 128)

static const uint8_t zig_bit_reverse_lut[256] = {
    0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0, 0x10, 0x90, 0x50, 0xd0,
    0x30, 0xb0, 0x70, 0xf0, 0x08, 0x88, 0x48, 0xc8, 0x28, 0xa8, 0x68, 0xe8,
    0x18, 0x98, 0x58, 0xd8, 0x38, 0xb8, 0x78, 0xf8, 0x04, 0x84, 0x44, 0xc4,
    0x24, 0xa4, 0x64, 0xe4, 0x14, 0x94, 0x54, 0xd4, 0x34, 0xb4, 0x74, 0xf4,
    0x0c, 0x8c, 0x4c, 0xcc, 0x2c, 0xac, 0x6c, 0xec, 0x1c, 0x9c, 0x5c, 0xdc,
    0x3c, 0xbc, 0x7c, 0xfc, 0x02, 0x82, 0x42, 0xc2, 0x22, 0xa2, 0x62, 0xe2,
    0x12, 0x92, 0x52, 0xd2, 0x32, 0xb2, 0x72, 0xf2, 0x0a, 0x8a, 0x4a, 0xca,
    0x2a, 0xaa, 0x6a, 0xea, 0x1a, 0x9a, 0x5a, 0xda, 0x3a, 0xba, 0x7a, 0xfa,
    0x06, 0x86, 0x46, 0xc6, 0x26, 0xa6, 0x66, 0xe6, 0x16, 0x96, 0x56, 0xd6,
    0x36, 0xb6, 0x76, 0xf6, 0x0e, 0x8e, 0x4e, 0xce, 0x2e, 0xae, 0x6e, 0xee,
    0x1e, 0x9e, 0x5e, 0xde, 0x3e, 0xbe, 0x7e, 0xfe, 0x01, 0x81, 0x41, 0xc1,
    0x21, 0xa1, 0x61, 0xe1, 0x11, 0x91, 0x51, 0xd1, 0x31, 0xb1, 0x71, 0xf1,
    0x09, 0x89, 0x49, 0xc9, 0x29, 0xa9, 0x69, 0xe9, 0x19, 0x99, 0x59, 0xd9,
    0x39, 0xb9, 0x79, 0xf9, 0x05, 0x85, 0x45, 0xc5, 0x25, 0xa5, 0x65, 0xe5,
    0x15, 0x95, 0x55, 0xd5, 0x35, 0xb5, 0x75, 0xf5, 0x0d, 0x8d, 0x4d, 0xcd,
    0x2d, 0xad, 0x6d, 0xed, 0x1d, 0x9d, 0x5d, 0xdd, 0x3d, 0xbd, 0x7d, 0xfd,
    0x03, 0x83, 0x43, 0xc3, 0x23, 0xa3, 0x63, 0xe3, 0x13, 0x93, 0x53, 0xd3,
    0x33, 0xb3, 0x73, 0xf3, 0x0b, 0x8b, 0x4b, 0xcb, 0x2b, 0xab, 0x6b, 0xeb,
    0x1b, 0x9b, 0x5b, 0xdb, 0x3b, 0xbb, 0x7b, 0xfb, 0x07, 0x87, 0x47, 0xc7,
    0x27, 0xa7, 0x67, 0xe7, 0x17, 0x97, 0x57, 0xd7, 0x37, 0xb7, 0x77, 0xf7,
    0x0f, 0x8f, 0x4f, 0xcf, 0x2f, 0xaf, 0x6f, 0xef, 0x1f, 0x9f, 0x5f, 0xdf,
    0x3f, 0xbf, 0x7f, 0xff
};

static inline uint8_t zig_bit_reverse_u8(uint8_t value, uint8_t zig_type_bit_width) {
    const uint8_t reversed = zig_bit_reverse_lut[value] >> (8 - zig_type_bit_width);
    return zig_sign_extend_uint8_t(reversed, zig_type_bit_width);
}

#define zig_bit_reverse_i8 zig_bit_reverse_u8

static inline uint16_t zig_bit_reverse_u16(uint16_t value, uint8_t zig_type_bit_width) {
    const uint16_t swapped = zig_byte_swap_u16(value, zig_type_bit_width);
    const uint16_t reversed = (
        ((uint16_t)zig_bit_reverse_lut[(swapped >> 0x08) & 0xff] << 0x08) |
        ((uint16_t)zig_bit_reverse_lut[(swapped >> 0x00) & 0xff] << 0x00));
    return zig_sign_extend_uint16_t(
        reversed & zig_bit_mask(uint16_t, zig_type_bit_width),
        zig_type_bit_width);
}

#define zig_bit_reverse_i16 zig_bit_reverse_u16

static inline uint32_t zig_bit_reverse_u32(uint32_t value, uint8_t zig_type_bit_width) {
    const uint32_t swapped = zig_byte_swap_u32(value, zig_type_bit_width);
    const uint32_t reversed = (
         ((uint32_t)zig_bit_reverse_lut[(swapped >> 0x18) & 0xff] << 0x18) |
         ((uint32_t)zig_bit_reverse_lut[(swapped >> 0x10) & 0xff] << 0x10) |
         ((uint32_t)zig_bit_reverse_lut[(swapped >> 0x08) & 0xff] << 0x08) |
         ((uint32_t)zig_bit_reverse_lut[(swapped >> 0x00) & 0xff] << 0x00));
    return zig_sign_extend_uint32_t(
        reversed & zig_bit_mask(uint32_t, zig_type_bit_width),
        zig_type_bit_width);
}

#define zig_bit_reverse_i32 zig_bit_reverse_u32

static inline uint64_t zig_bit_reverse_u64(uint64_t value, uint8_t zig_type_bit_width) {
    const uint64_t swapped = zig_byte_swap_u64(value, zig_type_bit_width);
    const uint64_t reversed = (
        ((uint64_t)zig_bit_reverse_lut[(swapped >> 0x38) & 0xff] << 0x38) |
        ((uint64_t)zig_bit_reverse_lut[(swapped >> 0x30) & 0xff] << 0x30) |
        ((uint64_t)zig_bit_reverse_lut[(swapped >> 0x28) & 0xff] << 0x28) |
        ((uint64_t)zig_bit_reverse_lut[(swapped >> 0x20) & 0xff] << 0x20) |
        ((uint64_t)zig_bit_reverse_lut[(swapped >> 0x18) & 0xff] << 0x18) |
        ((uint64_t)zig_bit_reverse_lut[(swapped >> 0x10) & 0xff] << 0x10) |
        ((uint64_t)zig_bit_reverse_lut[(swapped >> 0x08) & 0xff] << 0x08) |
        ((uint64_t)zig_bit_reverse_lut[(swapped >> 0x00) & 0xff] << 0x00));
    return zig_sign_extend_uint64_t(
        reversed & zig_bit_mask(uint64_t, zig_type_bit_width),
        zig_type_bit_width);
}

#define zig_bit_reverse_i64 zig_bit_reverse_u64

static inline uint128_t zig_bit_reverse_u128(uint128_t value, uint8_t zig_type_bit_width) {
    const uint128_t swapped = zig_byte_swap_u128(value, zig_type_bit_width);
    const uint128_t reversed = (
        ((uint128_t)zig_bit_reverse_lut[(swapped >> 0x78) & 0xff] << 0x78) |
        ((uint128_t)zig_bit_reverse_lut[(swapped >> 0x70) & 0xff] << 0x70) |
        ((uint128_t)zig_bit_reverse_lut[(swapped >> 0x68) & 0xff] << 0x68) |
        ((uint128_t)zig_bit_reverse_lut[(swapped >> 0x60) & 0xff] << 0x60) |
        ((uint128_t)zig_bit_reverse_lut[(swapped >> 0x58) & 0xff] << 0x58) |
        ((uint128_t)zig_bit_reverse_lut[(swapped >> 0x50) & 0xff] << 0x50) |
        ((uint128_t)zig_bit_reverse_lut[(swapped >> 0x48) & 0xff] << 0x48) |
        ((uint128_t)zig_bit_reverse_lut[(swapped >> 0x40) & 0xff] << 0x40) |
        ((uint128_t)zig_bit_reverse_lut[(swapped >> 0x38) & 0xff] << 0x38) |
        ((uint128_t)zig_bit_reverse_lut[(swapped >> 0x30) & 0xff] << 0x30) |
        ((uint128_t)zig_bit_reverse_lut[(swapped >> 0x28) & 0xff] << 0x28) |
        ((uint128_t)zig_bit_reverse_lut[(swapped >> 0x20) & 0xff] << 0x20) |
        ((uint128_t)zig_bit_reverse_lut[(swapped >> 0x18) & 0xff] << 0x18) |
        ((uint128_t)zig_bit_reverse_lut[(swapped >> 0x10) & 0xff] << 0x10) |
        ((uint128_t)zig_bit_reverse_lut[(swapped >> 0x08) & 0xff] << 0x08) |
        ((uint128_t)zig_bit_reverse_lut[(swapped >> 0x00) & 0xff] << 0x00));
    return zig_sign_extend_uint128_t(
        reversed & zig_bit_mask(uint128_t, zig_type_bit_width),
        zig_type_bit_width);
}

#define zig_bit_reverse_i128 zig_bit_reverse_u128

static inline float zig_div_truncf(float numerator, float denominator) {
    return __builtin_truncf(numerator / denominator);
}

static inline double zig_div_trunc(double numerator, double denominator) {
    return __builtin_trunc(numerator / denominator);
}

static inline long double zig_div_truncl(long double numerator, long double denominator) {
    return __builtin_truncf(numerator / denominator);
}

#define zig_div_trunc_f16  zig_div_truncf
#define zig_div_trunc_f32  zig_div_truncf
#define zig_div_trunc_f64  zig_div_trunc
#define zig_div_trunc_f80  zig_div_truncl
#define zig_div_trunc_f128 zig_div_truncl

#define zig_div_floorf(numerator, denominator) \
    __builtin_floorf((float)(numerator) / (float)(denominator))

#define zig_div_floor(numerator, denominator) \
    __builtin_floor((double)(numerator) / (double)(denominator))

#define zig_div_floorl(numerator, denominator) \
    __builtin_floorl((long double)(numerator) / (long double)(denominator))

#define zig_div_floor_f16  zig_div_floorf
#define zig_div_floor_f32  zig_div_floorf
#define zig_div_floor_f64  zig_div_floor
#define zig_div_floor_f80  zig_div_floorl
#define zig_div_floor_f128 zig_div_floorl

#define zig_div_floor_u8   zig_div_floorf
#define zig_div_floor_i8   zig_div_floorf
#define zig_div_floor_u16  zig_div_floorf
#define zig_div_floor_i16  zig_div_floorf
#define zig_div_floor_u32  zig_div_floor
#define zig_div_floor_i32  zig_div_floor
#define zig_div_floor_u64  zig_div_floor
#define zig_div_floor_i64  zig_div_floor
#define zig_div_floor_u128 zig_div_floorl
#define zig_div_floor_i128 zig_div_floorl

static inline float zig_modf(float numerator, float denominator) {
    return (numerator - (zig_div_floorf(numerator, denominator) * denominator));
}

static inline double zig_mod(double numerator, double denominator) {
    return (numerator - (zig_div_floor(numerator, denominator) * denominator));
}

static inline long double zig_modl(long double numerator, long double denominator) {
    return (numerator - (zig_div_floorl(numerator, denominator) * denominator));
}

#define zig_mod_f16  zig_modf
#define zig_mod_f32  zig_modf
#define zig_mod_f64  zig_mod
#define zig_mod_f80  zig_modl
#define zig_mod_f128 zig_modl

#define zig_mod_int(ZigType, CType) \
    static inline CType zig_mod_##ZigType(CType numerator, CType denominator) { \
        return (numerator - (zig_div_floor_##ZigType(numerator, denominator) * denominator)); \
    }

zig_mod_int(  u8,   uint8_t)
zig_mod_int(  i8,    int8_t)
zig_mod_int( u16,  uint16_t)
zig_mod_int( i16,   int16_t)
zig_mod_int( u32,  uint32_t)
zig_mod_int( i32,   int32_t)
zig_mod_int( u64,  uint64_t)
zig_mod_int( i64,   int64_t)
zig_mod_int(u128, uint128_t)
zig_mod_int(i128,  int128_t)