mirror of
https://github.com/simdjson/simdjson
synced 2026-06-08 17:27:07 +00:00
John Keiser
985dfab2c4
This eliminates the possibility of inlining target failures for ondemand Also makes it so we always compile common architectures needed by simdjson.cpp in simdjson.h, since amalgamation has no way to reason about whether to include / exclude it.
54 lines
2.4 KiB
C
54 lines
2.4 KiB
C
#ifndef SIMDJSON_IMPLEMENTATION_BASE_H
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#define SIMDJSON_IMPLEMENTATION_BASE_H
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/**
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* @file
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* @private
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*
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* Includes common stuff needed for implementations.
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*/
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#include "simdjson/base.h"
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#include "simdjson/implementation.h"
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// Implementation-internal files (must be included before the implementations themselves, to keep
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// amalgamation working--otherwise, the first time a file is included, it might be put inside the
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// #ifdef SIMDJSON_IMPLEMENTATION_ARM64/FALLBACK/etc., which means the other implementations can't
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// compile unless that implementation is turned on).
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#include "simdjson/internal/isadetection.h"
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#include "simdjson/internal/jsoncharutils_tables.h"
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#include "simdjson/internal/numberparsing_tables.h"
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#include "simdjson/internal/simdprune_tables.h"
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#ifndef SIMDJSON_IMPLEMENTATION_ARM64
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#define SIMDJSON_IMPLEMENTATION_ARM64 (SIMDJSON_IS_ARM64)
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#endif
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#define SIMDJSON_CAN_ALWAYS_RUN_ARM64 SIMDJSON_IMPLEMENTATION_ARM64 && SIMDJSON_IS_ARM64
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// Default Haswell to on if this is x86-64. Even if we're not compiled for it, it could be selected
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// at runtime.
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#ifndef SIMDJSON_IMPLEMENTATION_HASWELL
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#define SIMDJSON_IMPLEMENTATION_HASWELL (SIMDJSON_IS_X86_64)
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#endif
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// To see why (__BMI__) && (__PCLMUL__) && (__LZCNT__) are not part of this next line, see
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// https://github.com/simdjson/simdjson/issues/1247
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#define SIMDJSON_CAN_ALWAYS_RUN_HASWELL ((SIMDJSON_IMPLEMENTATION_HASWELL) && (SIMDJSON_IS_X86_64) && (__AVX2__))
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// Default Westmere to on if this is x86-64, unless we'll always select Haswell.
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#ifndef SIMDJSON_IMPLEMENTATION_WESTMERE
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#define SIMDJSON_IMPLEMENTATION_WESTMERE (SIMDJSON_IS_X86_64 && !SIMDJSON_REQUIRES_HASWELL)
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#endif
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#define SIMDJSON_CAN_ALWAYS_RUN_WESTMERE (SIMDJSON_IMPLEMENTATION_WESTMERE && SIMDJSON_IS_X86_64 && __SSE4_2__ && __PCLMUL__)
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#ifndef SIMDJSON_IMPLEMENTATION_PPC64
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#define SIMDJSON_IMPLEMENTATION_PPC64 (SIMDJSON_IS_PPC64)
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#endif
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#define SIMDJSON_CAN_ALWAYS_RUN_PPC64 SIMDJSON_IMPLEMENTATION_PPC64 && SIMDJSON_IS_PPC64
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// Default Fallback to on unless a builtin implementation has already been selected.
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#ifndef SIMDJSON_IMPLEMENTATION_FALLBACK
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#define SIMDJSON_IMPLEMENTATION_FALLBACK 1 // (!SIMDJSON_CAN_ALWAYS_RUN_ARM64 && !SIMDJSON_CAN_ALWAYS_RUN_HASWELL && !SIMDJSON_CAN_ALWAYS_RUN_WESTMERE && !SIMDJSON_CAN_ALWAYS_RUN_PPC64)
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#endif
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#define SIMDJSON_CAN_ALWAYS_RUN_FALLBACK SIMDJSON_IMPLEMENTATION_FALLBACK
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#endif // SIMDJSON_IMPLEMENTATION_BASE_H
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