mirror of
https://github.com/simdjson/simdjson
synced 2026-06-08 17:27:07 +00:00
Daniel Lemire
38 lines
855 B
C
38 lines
855 B
C
#pragma once
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#include <cassert>
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// the input buf should be readable up to buf + SIMDJSON_PADDING
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#define SIMDJSON_PADDING sizeof(__m256i)
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#ifdef _MSC_VER
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/* Microsoft C/C++-compatible compiler */
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#include <intrin.h>
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#else
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#include <x86intrin.h>
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#endif
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// Align to N-byte boundary
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#define ROUNDUP_N(a, n) (((a) + ((n)-1)) & ~((n)-1))
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#define ROUNDDOWN_N(a, n) ((a) & ~((n)-1))
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#define ISALIGNED_N(ptr, n) (((uintptr_t)(ptr) & ((n)-1)) == 0)
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#define really_inline inline __attribute__((always_inline, unused))
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#define never_inline inline __attribute__((noinline, unused))
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#define UNUSED __attribute__((unused))
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#define WARN_UNUSED __attribute__((warn_unused_result))
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#ifndef likely
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#define likely(x) __builtin_expect(!!(x), 1)
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#endif
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#ifndef unlikely
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#define unlikely(x) __builtin_expect(!!(x), 0)
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#endif
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