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Fixed BMI behavior on x86 and x32 targets, reported by @tycho (#178)

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Yann Collet
2016-05-01 10:26:30 +02:00
parent cf8584c90a
commit 6f9c056662
7 changed files with 193 additions and 175 deletions
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lib/decompress/zstd_decompress.c
+2 -3
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@@ -266,10 +266,9 @@ void ZSTD_copyDCtx(ZSTD_DCtx* dstDCtx, const ZSTD_DCtx* srcDCtx)
* @return : size of the Frame Header */
static size_t ZSTD_frameHeaderSize(const void* src, size_t srcSize)
{
U32 fcsId;
if (srcSize < ZSTD_frameHeaderSize_min) return ERROR(srcSize_wrong);
fcsId = (((const BYTE*)src)[4]) >> 6;
return ZSTD_frameHeaderSize_min + ZSTD_fcs_fieldSize[fcsId];
{ U32 const fcsId = (((const BYTE*)src)[4]) >> 6;
return ZSTD_frameHeaderSize_min + ZSTD_fcs_fieldSize[fcsId]; }
}