#ifndef SIMDJSON_COMMON_DEFS_H

#define SIMDJSON_COMMON_DEFS_H

#include "simdjson/portability.h"

#include <cassert>

// we support documents up to 4GB

#define SIMDJSON_MAXSIZE_BYTES 0xFFFFFFFF

// the input buf should be readable up to buf + SIMDJSON_PADDING

#ifdef __AVX2__

#define SIMDJSON_PADDING sizeof(__m256i)

#else

// this is a stopgap; there should be a better description of the

// main loop and its behavior that abstracts over this

#define SIMDJSON_PADDING 32

#endif

#if defined(__GNUC__)

// Marks a block with a name so that MCA analysis can see it.

#define BEGIN_DEBUG_BLOCK(name) __asm volatile("# LLVM-MCA-BEGIN " #name);

#define END_DEBUG_BLOCK(name) __asm volatile("# LLVM-MCA-END " #name);

#define DEBUG_BLOCK(name, block) BEGIN_DEBUG_BLOCK(name); block; END_DEBUG_BLOCK(name);

#else

#define BEGIN_DEBUG_BLOCK(name)

#define END_DEBUG_BLOCK(name)

#define DEBUG_BLOCK(name, block)

#endif

#ifndef _MSC_VER

// Implemented using Labels as Values which works in GCC and CLANG (and maybe

// also in Intel's compiler), but won't work in MSVC.

#define SIMDJSON_USE_COMPUTED_GOTO

#endif

// Align to N-byte boundary

#define ROUNDUP_N(a, n) (((a) + ((n)-1)) & ~((n)-1))

#define ROUNDDOWN_N(a, n) ((a) & ~((n)-1))

#define ISALIGNED_N(ptr, n) (((uintptr_t)(ptr) & ((n)-1)) == 0)

#ifdef _MSC_VER

#define really_inline __forceinline

#define never_inline __declspec(noinline)

#define UNUSED

#define WARN_UNUSED

#ifndef likely

#define likely(x) x

#endif

#ifndef unlikely

#define unlikely(x) x

#endif

#else

#define really_inline inline __attribute__((always_inline, unused))

#define never_inline inline __attribute__((noinline, unused))

#define UNUSED __attribute__((unused))

#define WARN_UNUSED __attribute__((warn_unused_result))

#ifndef likely

#define likely(x) __builtin_expect(!!(x), 1)

#endif

#ifndef unlikely

#define unlikely(x) __builtin_expect(!!(x), 0)

#endif

#endif // MSC_VER

#endif // SIMDJSON_COMMON_DEFS_H