mirror of
https://github.com/simdjson/simdjson
synced 2026-06-08 17:27:07 +00:00
John Keiser
31 lines
985 B
C++
31 lines
985 B
C++
#ifndef SIMDJSON_SIMD_INPUT_H
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#define SIMDJSON_SIMD_INPUT_H
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#include "simdjson/common_defs.h"
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#include "simdjson/portability.h"
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#include "simdjson/simdjson.h"
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#include <cassert>
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namespace simdjson {
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template <Architecture T>
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struct simd_input {
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simd_input(const uint8_t *ptr);
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// Map through each simd register in this input, producing another simd_input.
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template <typename F>
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really_inline simd_input<T> map(F const& map_chunk);
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// turn this bytemask (usually the result of a simd comparison operation) into a bitmask.
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uint64_t to_bitmask();
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// a straightforward comparison of a mask against input.
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uint64_t eq(uint8_t m);
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// find all values less than or equal than the content of maxval (using unsigned arithmetic)
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uint64_t lteq(uint8_t m);
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}; // struct simd_input
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#define MAP_CHUNKS(EXPR) map([&](auto chunk) { return EXPR; })
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#define MAP_BITMASK(EXPR) map([&](auto chunk) { return EXPR; }).to_bitmask()
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} // namespace simdjson
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#endif
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