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lib: add restrict qualifiers to row match finder #4867

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lib: add restrict qualifiers to row match finder #4867

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11 changes: 11 additions & 0 deletions lib/common/compiler.h
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Original file line number Diff line number Diff line change
Expand Up @@ -117,6 +117,17 @@
# endif
#endif

/* portable `restrict` qualifier */
#ifndef ZSTD_RESTRICT
# if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) && !defined(__cplusplus)
# define ZSTD_RESTRICT restrict
# elif defined(__GNUC__) || defined(__clang__)
# define ZSTD_RESTRICT __restrict__
# else
# define ZSTD_RESTRICT
# endif
#endif


/* target attribute */
#if defined(__GNUC__) || defined(__IAR_SYSTEMS_ICC__)
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6 changes: 3 additions & 3 deletions lib/compress/zstd_lazy.c
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Expand Up @@ -1183,9 +1183,9 @@ ZSTD_row_getMatchMask(const BYTE* const tagRow, const BYTE tag, const U32 headGr
FORCE_INLINE_TEMPLATE
ZSTD_ALLOW_POINTER_OVERFLOW_ATTR
size_t ZSTD_RowFindBestMatch(
ZSTD_MatchState_t* ms,
const BYTE* const ip, const BYTE* const iLimit,
size_t* offsetPtr,
ZSTD_MatchState_t* ZSTD_RESTRICT ms,
const BYTE* const ZSTD_RESTRICT ip, const BYTE* const iLimit,
size_t* ZSTD_RESTRICT offsetPtr,
const U32 mls, const ZSTD_dictMode_e dictMode,
const U32 rowLog)
{
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