#ifndef SIMDJSON_ICELAKE_NUMBERPARSING_DEFS_H

#define SIMDJSON_ICELAKE_NUMBERPARSING_DEFS_H

#ifndef SIMDJSON_CONDITIONAL_INCLUDE

#include "simdjson/icelake/base.h"

#include "simdjson/icelake/intrinsics.h"

#include "simdjson/internal/numberparsing_tables.h"

#endif // SIMDJSON_CONDITIONAL_INCLUDE

namespace simdjson {

namespace icelake {

namespace numberparsing {

static simdjson_inline uint32_t parse_eight_digits_unrolled(const uint8_t *chars) {

  // this actually computes *16* values so we are being wasteful.

  const __m128i ascii0 = _mm_set1_epi8('0');

  const __m128i mul_1_10 =

      _mm_setr_epi8(10, 1, 10, 1, 10, 1, 10, 1, 10, 1, 10, 1, 10, 1, 10, 1);

  const __m128i mul_1_100 = _mm_setr_epi16(100, 1, 100, 1, 100, 1, 100, 1);

  const __m128i mul_1_10000 =

      _mm_setr_epi16(10000, 1, 10000, 1, 10000, 1, 10000, 1);

  const __m128i input = _mm_sub_epi8(

      _mm_loadu_si128(reinterpret_cast<const __m128i *>(chars)), ascii0);

  const __m128i t1 = _mm_maddubs_epi16(input, mul_1_10);

  const __m128i t2 = _mm_madd_epi16(t1, mul_1_100);

  const __m128i t3 = _mm_packus_epi32(t2, t2);

  const __m128i t4 = _mm_madd_epi16(t3, mul_1_10000);

  return _mm_cvtsi128_si32(

      t4); // only captures the sum of the first 8 digits, drop the rest

}

/** @private */

simdjson_inline internal::value128 full_multiplication(uint64_t value1, uint64_t value2) {

  internal::value128 answer;

#if SIMDJSON_REGULAR_VISUAL_STUDIO || SIMDJSON_IS_32BITS

#if SIMDJSON_IS_ARM64

  // ARM64 has native support for 64-bit multiplications, no need to emultate

  answer.high = __umulh(value1, value2);

  answer.low = value1 * value2;

#else

  answer.low = _umul128(value1, value2, &answer.high); // _umul128 not available on ARM64

#endif // SIMDJSON_IS_ARM64

#else // SIMDJSON_REGULAR_VISUAL_STUDIO || SIMDJSON_IS_32BITS

  __uint128_t r = (static_cast<__uint128_t>(value1)) * value2;

  answer.low = uint64_t(r);

  answer.high = uint64_t(r >> 64);

#endif

  return answer;

}

} // namespace numberparsing

} // namespace icelake

} // namespace simdjson

#define SIMDJSON_SWAR_NUMBER_PARSING 1

#endif // SIMDJSON_ICELAKE_NUMBERPARSING_DEFS_H