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Diffstat (limited to 'lib/legacy/zstd_v06.c')
-rw-r--r--lib/legacy/zstd_v06.c20
1 files changed, 8 insertions, 12 deletions
diff --git a/lib/legacy/zstd_v06.c b/lib/legacy/zstd_v06.c
index c4ac7dba8eb3..ead213c4849f 100644
--- a/lib/legacy/zstd_v06.c
+++ b/lib/legacy/zstd_v06.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
@@ -122,10 +122,7 @@ 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
@@ -860,9 +857,8 @@ MEM_STATIC size_t BITv06_readBitsFast(BITv06_DStream_t* bitD, unsigned nbBits);
MEM_STATIC unsigned BITv06_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 */
@@ -3029,7 +3025,7 @@ typedef struct
* Provides the size of compressed block from block header `src` */
static size_t ZSTDv06_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 < ZSTDv06_blockHeaderSize) return ERROR(srcSize_wrong);
@@ -3223,7 +3219,7 @@ static size_t ZSTDv06_decodeSeqHeaders(int* nbSeqPtr,
FSEv06_DTable* DTableLL, FSEv06_DTable* DTableML, FSEv06_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;
@@ -3445,7 +3441,7 @@ static size_t ZSTDv06_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;
@@ -3561,7 +3557,7 @@ static size_t ZSTDv06_decompressFrame(ZSTDv06_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* op = ostart;
BYTE* const oend = ostart + dstCapacity;
size_t remainingSize = srcSize;