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Add support for AVX2 instead of SSE2

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Must compile with -mavx2 in clang/gcc or
 /arch:AVX2 in clang-cl
This commit is contained in:
amir
2026-02-28 19:44:43 +01:00
parent b89526d724
commit e591dbf347
2 changed files with 3 additions and 2 deletions
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3
platform.h
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@@ -31,7 +31,8 @@
#include <unistd.h> #include <unistd.h>
#endif #endif
// #define XXH_VECTOR XXH_AVX2 // don't compile with gcc see xxhash.h line 4082 #define XXH_VECTOR XXH_AVX2 // not recommanded to compile with gcc see xxhash.h line 4082
// Must compile with /arch:AVX2 in clang-cl or -mavx2 in clang/gcc
#define XXH_INLINE_ALL #define XXH_INLINE_ALL
#include "xxhash.c" #include "xxhash.c"
#include "xxhash.h" #include "xxhash.h"

2
xxhash.h
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@@ -5101,7 +5101,7 @@ XXH3_accumulate_512_avx2( void* XXH_RESTRICT acc,
const void* XXH_RESTRICT secret) const void* XXH_RESTRICT secret)
{ {
//DEBUG //DEBUG
printf("\nUsing AVX2\n"); // printf("\nUsing AVX2\n");
XXH_ASSERT((((size_t)acc) & 31) == 0); XXH_ASSERT((((size_t)acc) & 31) == 0);
{ __m256i* const xacc = (__m256i *) acc; { __m256i* const xacc = (__m256i *) acc;
/* Unaligned. This is mainly for pointer arithmetic, and because /* Unaligned. This is mainly for pointer arithmetic, and because