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mdbx: fix scan4seq() selection for non-implemented cases.

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Леонид Юрьев (Leonid Yuriev) 2022-08-07 14:37:45 +03:00
parent d62d3e2aab
commit 15146d3823
1 changed files with 12 additions and 25 deletions
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37
src/core.c
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@ -5974,13 +5974,6 @@ scan4seq_avx2(pgno_t *range, const size_t len, const unsigned seq) {
}
#endif /* MDBX_ATTRIBUTE_TARGET_AVX2 */
#ifdef MDBX_ATTRIBUTE_TARGET_AVX
MDBX_MAYBE_UNUSED __hot MDBX_ATTRIBUTE_TARGET_AVX static pgno_t *static pgno_t *
scan4seq_avx(pgno_t *range, const size_t len, const unsigned seq) {
return nullptr;
}
#endif /* MDBX_ATTRIBUTE_TARGET_AVX */
#if defined(__SSE2__)
#define MDBX_ATTRIBUTE_TARGET_SSE2 /* nope */
#elif (defined(_M_IX86_FP) && _M_IX86_FP >= 2) || defined(__amd64__)
@ -5988,7 +5981,7 @@ scan4seq_avx(pgno_t *range, const size_t len, const unsigned seq) {
#define MDBX_ATTRIBUTE_TARGET_SSE2 /* nope */
#elif defined(MDBX_ATTRIBUTE_TARGET) && defined(__ia32__)
#define MDBX_ATTRIBUTE_TARGET_SSE2 MDBX_ATTRIBUTE_TARGET("sse2")
#endif
#endif /* __SSE2__ */
#ifdef MDBX_ATTRIBUTE_TARGET_SSE2
MDBX_ATTRIBUTE_TARGET_SSE2 static __always_inline unsigned
@ -6058,14 +6051,12 @@ scan4seq_sse2(pgno_t *range, const size_t len, const unsigned seq) {
}
#endif /* MDBX_ATTRIBUTE_TARGET_SSE2 */
#if defined(__AVX512BW__)
#if defined(__AVX512BW__) && defined(MDBX_ATTRIBUTE_TARGET_AVX512)
#define scan4seq_default scan4seq_avx512bw
#define scan4seq scan4seq_default
#elif defined(__AVX2__)
#elif defined(__AVX2__) && defined(MDBX_ATTRIBUTE_TARGET_AVX2)
#define scan4seq_default scan4seq_avx2
#elif defined(__AVX__)
#define scan4seq_default scan4seq_avx
#elif defined(__SSE2__)
#elif defined(__SSE2__) && defined(MDBX_ATTRIBUTE_TARGET_SSE2)
#define scan4seq_default scan4seq_sse2
/* Choosing of another variants should be added here. */
#endif /* scan4seq_default */
@ -6100,22 +6091,18 @@ static pgno_t *scan4seq_resolver(pgno_t *range, const size_t len,
__GNUC_PREREQ(4, 8)
__builtin_cpu_init();
#endif /* __builtin_cpu_init() */
#ifdef MDBX_ATTRIBUTE_TARGET_AVX512BW
if (__builtin_cpu_supports("avx512bw"))
choice = scan4seq_avx512;
#endif /* MDBX_ATTRIBUTE_TARGET_AVX512BW */
#ifdef MDBX_ATTRIBUTE_TARGET_SSE2
if (__builtin_cpu_supports("sse2"))
choice = scan4seq_sse2;
#endif /* MDBX_ATTRIBUTE_TARGET_SSE2 */
#ifdef MDBX_ATTRIBUTE_TARGET_AVX2
if (__builtin_cpu_supports("avx2"))
choice = scan4seq_avx2;
#endif /* MDBX_ATTRIBUTE_TARGET_AVX2 */
#ifdef MDBX_ATTRIBUTE_TARGET_AVX
if (__builtin_cpu_supports("avx"))
choice = scan4seq_avx;
#endif /* MDBX_ATTRIBUTE_TARGET_AVX2 */
#ifdef MDBX_ATTRIBUTE_TARGET_SSE2
if (!choice && __builtin_cpu_supports("sse2"))
choice = scan4seq_sse2;
#endif /* MDBX_ATTRIBUTE_TARGET_SSE2 */
#ifdef MDBX_ATTRIBUTE_TARGET_AVX512BW
if (__builtin_cpu_supports("avx512bw"))
choice = scan4seq_avx512;
#endif /* MDBX_ATTRIBUTE_TARGET_AVX512BW */
/* Choosing of another variants should be added here. */
scan4seq = choice ? choice : scan4seq_default;
return scan4seq(range, len, seq);