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mdbx: more __has_builtin().

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Change-Id: Ie23e170e12d96ad47bf2f25c7dde974673109b54
This commit is contained in:
Leonid Yuriev 2020-01-16 19:38:26 +03:00
parent 2bfcbe980e
commit 6184024a80
1 changed files with 3 additions and 3 deletions
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6
src/elements/defs.h
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@ -154,7 +154,7 @@
#endif /* __fallthrough */
#ifndef __unreachable
# if __GNUC_PREREQ(4,5)
# if __GNUC_PREREQ(4,5) || __has_builtin(__builtin_unreachable)
# define __unreachable() __builtin_unreachable()
# elif defined(_MSC_VER)
# define __unreachable() __assume(0)
@ -294,7 +294,7 @@
#endif /* __flatten */
#ifndef likely
# if (defined(__GNUC__) || defined(__clang__)) && !defined(__COVERITY__)
# if (defined(__GNUC__) || __has_builtin(__builtin_expect)) && !defined(__COVERITY__)
# define likely(cond) __builtin_expect(!!(cond), 1)
# else
# define likely(x) (x)
@ -302,7 +302,7 @@
#endif /* likely */
#ifndef unlikely
# if (defined(__GNUC__) || defined(__clang__)) && !defined(__COVERITY__)
# if (defined(__GNUC__) || __has_builtin(__builtin_expect)) && !defined(__COVERITY__)
# define unlikely(cond) __builtin_expect(!!(cond), 0)
# else
# define unlikely(x) (x)