diff options
Diffstat (limited to 'lib/legacy/zstd_v07.c')
| -rw-r--r-- | lib/legacy/zstd_v07.c | 20 |
1 files changed, 8 insertions, 12 deletions
diff --git a/lib/legacy/zstd_v07.c b/lib/legacy/zstd_v07.c index 049ba4749409..3a0418e526f6 100644 --- a/lib/legacy/zstd_v07.c +++ b/lib/legacy/zstd_v07.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc. + * Copyright (c) Yann Collet, Facebook, Inc. * All rights reserved. * * This source code is licensed under both the BSD-style license (found in the @@ -282,10 +282,7 @@ extern "C" { * Prefer these methods in priority order (0 > 1 > 2) */ #ifndef MEM_FORCE_MEMORY_ACCESS /* can be defined externally, on command line for example */ -# if defined(__GNUC__) && ( defined(__ARM_ARCH_6__) || defined(__ARM_ARCH_6J__) || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6Z__) || defined(__ARM_ARCH_6ZK__) || defined(__ARM_ARCH_6T2__) ) -# define MEM_FORCE_MEMORY_ACCESS 2 -# elif (defined(__INTEL_COMPILER) && !defined(WIN32)) || \ - (defined(__GNUC__) && ( defined(__ARM_ARCH_7__) || defined(__ARM_ARCH_7A__) || defined(__ARM_ARCH_7R__) || defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7S__) )) +# if defined(__INTEL_COMPILER) || defined(__GNUC__) || defined(__ICCARM__) # define MEM_FORCE_MEMORY_ACCESS 1 # endif #endif @@ -530,9 +527,8 @@ MEM_STATIC size_t BITv07_readBitsFast(BITv07_DStream_t* bitD, unsigned nbBits); MEM_STATIC unsigned BITv07_highbit32 (U32 val) { # if defined(_MSC_VER) /* Visual */ - unsigned long r=0; - _BitScanReverse ( &r, val ); - return (unsigned) r; + unsigned long r; + return _BitScanReverse(&r, val) ? (unsigned)r : 0; # elif defined(__GNUC__) && (__GNUC__ >= 3) /* Use GCC Intrinsic */ return __builtin_clz (val) ^ 31; # else /* Software version */ @@ -3258,7 +3254,7 @@ typedef struct * Provides the size of compressed block from block header `src` */ static size_t ZSTDv07_getcBlockSize(const void* src, size_t srcSize, blockProperties_t* bpPtr) { - const BYTE* const in = (const BYTE* const)src; + const BYTE* const in = (const BYTE*)src; U32 cSize; if (srcSize < ZSTDv07_blockHeaderSize) return ERROR(srcSize_wrong); @@ -3453,7 +3449,7 @@ static size_t ZSTDv07_decodeSeqHeaders(int* nbSeqPtr, FSEv07_DTable* DTableLL, FSEv07_DTable* DTableML, FSEv07_DTable* DTableOffb, U32 flagRepeatTable, const void* src, size_t srcSize) { - const BYTE* const istart = (const BYTE* const)src; + const BYTE* const istart = (const BYTE*)src; const BYTE* const iend = istart + srcSize; const BYTE* ip = istart; @@ -3672,7 +3668,7 @@ static size_t ZSTDv07_decompressSequences( { const BYTE* ip = (const BYTE*)seqStart; const BYTE* const iend = ip + seqSize; - BYTE* const ostart = (BYTE* const)dst; + BYTE* const ostart = (BYTE*)dst; BYTE* const oend = ostart + maxDstSize; BYTE* op = ostart; const BYTE* litPtr = dctx->litPtr; @@ -3799,7 +3795,7 @@ static size_t ZSTDv07_decompressFrame(ZSTDv07_DCtx* dctx, { const BYTE* ip = (const BYTE*)src; const BYTE* const iend = ip + srcSize; - BYTE* const ostart = (BYTE* const)dst; + BYTE* const ostart = (BYTE*)dst; BYTE* const oend = ostart + dstCapacity; BYTE* op = ostart; size_t remainingSize = srcSize; |