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bytedelta: rely on __SSSE3__ macro rather that on architecture macros #586

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Feb 7, 2024
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bytedelta: rely on __SSSE3__ macro rather that on architecture macros #586

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10 changes: 9 additions & 1 deletion plugins/filters/bytedelta/bytedelta.c
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Original file line number Diff line number Diff line change
Expand Up @@ -18,7 +18,15 @@
#include <stdint.h>
#include <stdio.h>

#if defined __i386__ || defined _M_IX86 || defined __x86_64__ || defined _M_X64
/* Define the __SSSE3__ symbol if compiling with Visual C++ and
targeting the minimum architecture level.
*/
#if !defined(__SSSE3__) && defined(_MSC_VER) && \
(defined(_M_X64) || (defined(_M_IX86) && _M_IX86_FP >= 2))
#define __SSSE3__
#endif

#if defined(__SSSE3__)
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It assumes that SSE2 is available when SSSE3 is

// SSSE3 code path for x64/x64
#define CPU_HAS_SIMD 1
#include <emmintrin.h>
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