mirror of
https://github.com/simdjson/simdjson
synced 2026-06-08 17:27:07 +00:00
John Keiser
46 lines
1.4 KiB
C++
46 lines
1.4 KiB
C++
#ifndef SIMDJSON_SIMD_INPUT_HASWELL_H
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#define SIMDJSON_SIMD_INPUT_HASWELL_H
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#include "simdjson/simd_input.h"
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#ifdef IS_X86_64
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TARGET_HASWELL
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namespace simdjson {
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template <>
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struct simd_input<Architecture::HASWELL> {
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__m256i lo;
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__m256i hi;
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really_inline simd_input(const uint8_t *ptr) {
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this->lo = _mm256_loadu_si256(reinterpret_cast<const __m256i *>(ptr + 0));
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this->hi = _mm256_loadu_si256(reinterpret_cast<const __m256i *>(ptr + 32));
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}
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really_inline uint64_t eq(uint8_t m) {
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const __m256i mask = _mm256_set1_epi8(m);
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__m256i cmp_res_0 = _mm256_cmpeq_epi8(this->lo, mask);
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uint64_t res_0 = static_cast<uint32_t>(_mm256_movemask_epi8(cmp_res_0));
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__m256i cmp_res_1 = _mm256_cmpeq_epi8(this->hi, mask);
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uint64_t res_1 = _mm256_movemask_epi8(cmp_res_1);
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return res_0 | (res_1 << 32);
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}
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really_inline uint64_t lteq(uint8_t m) {
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const __m256i maxval = _mm256_set1_epi8(m);
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__m256i cmp_res_0 = _mm256_cmpeq_epi8(_mm256_max_epu8(maxval, this->lo), maxval);
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uint64_t res_0 = static_cast<uint32_t>(_mm256_movemask_epi8(cmp_res_0));
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__m256i cmp_res_1 = _mm256_cmpeq_epi8(_mm256_max_epu8(maxval, this->hi), maxval);
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uint64_t res_1 = _mm256_movemask_epi8(cmp_res_1);
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return res_0 | (res_1 << 32);
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}
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}; // struct simd_input
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} // namespace simdjson
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UNTARGET_REGION
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#endif // IS_X86_64
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#endif // SIMDJSON_SIMD_INPUT_HASWELL_H
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