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Fix alignment of scratchBuffer in HUF_compressWeights()

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The scratch buffer must be 4-byte aligned. This causes test failures in
32-bit systems, where the stack isn't aligned.

Fixes Issue #2428.
This commit is contained in:
Nick Terrell
2020-12-17 14:30:27 -08:00
parent ce34dc39a0
commit ae85676d44
2 changed files with 4 additions and 3 deletions
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lib/compress/huf_compress.c
+1 -1
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@@ -69,7 +69,7 @@ static size_t HUF_compressWeights (void* dst, size_t dstSize, const void* weight
U32 tableLog = MAX_FSE_TABLELOG_FOR_HUFF_HEADER;
FSE_CTable CTable[FSE_CTABLE_SIZE_U32(MAX_FSE_TABLELOG_FOR_HUFF_HEADER, HUF_TABLELOG_MAX)];
BYTE scratchBuffer[FSE_BUILD_CTABLE_WORKSPACE_SIZE(HUF_TABLELOG_MAX, MAX_FSE_TABLELOG_FOR_HUFF_HEADER)];
U32 scratchBuffer[FSE_BUILD_CTABLE_WORKSPACE_SIZE_U32(HUF_TABLELOG_MAX, MAX_FSE_TABLELOG_FOR_HUFF_HEADER)];
unsigned count[HUF_TABLELOG_MAX+1];
S16 norm[HUF_TABLELOG_MAX+1];