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Reorder __BMI2__ check

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+ if `__BMI2__` defined, then set STATIC_BMI2 for all compilers
 + use `defined(_MSC_VER) && defined(__AVX2__)` as fallback for ms compiler
This commit is contained in:
Pavel P
2025-01-24 03:02:47 +02:00
parent d486ccc9e9
commit 0a183620a3
1 changed files with 3 additions and 5 deletions
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lib/common/portability_macros.h
+3 -5
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@@ -76,12 +76,10 @@
/* Compile time determination of BMI2 support */
#ifndef STATIC_BMI2
# if defined(_MSC_VER)
# ifdef __AVX2__ /* MSVC does not have a BMI2 specific flag, but every CPU that supports AVX2 also supports BMI2 */
# define STATIC_BMI2 1
# endif
# elif defined(__BMI2__)
# if defined(__BMI2__)
# define STATIC_BMI2 1
# elif defined(_MSC_VER) && defined(__AVX2__)
# define STATIC_BMI2 1 /* MSVC does not have a BMI2 specific flag, but every CPU that supports AVX2 also supports BMI2 */
# endif
#endif