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Don't assume __builtin_bswap32 and __builtin_bswap64 are defined on OpenBSD

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At least OpenBSD/sparc64 doesn't appear to define them, and possibly
some other OpenBSD GCC platforms don't (most OpenBSD platforms have
already switched to clang).
This commit is contained in:
Jeremy Evans 2022-01-18 11:40:13 -08:00
parent ffda21b7ba
commit e7b4abf384
1 changed files with 2 additions and 0 deletions
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2
include/ruby/internal/has/builtin.h
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@ -53,8 +53,10 @@
# define RBIMPL_HAS_BUILTIN___builtin_assume 0
# /* See http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52624 for bswap16. */
# define RBIMPL_HAS_BUILTIN___builtin_bswap16 RBIMPL_COMPILER_SINCE(GCC, 4, 8, 0)
#ifndef __OpenBSD__
# define RBIMPL_HAS_BUILTIN___builtin_bswap32 RBIMPL_COMPILER_SINCE(GCC, 3, 6, 0)
# define RBIMPL_HAS_BUILTIN___builtin_bswap64 RBIMPL_COMPILER_SINCE(GCC, 3, 6, 0)
#endif
# define RBIMPL_HAS_BUILTIN___builtin_clz RBIMPL_COMPILER_SINCE(GCC, 3, 6, 0)
# define RBIMPL_HAS_BUILTIN___builtin_clzl RBIMPL_COMPILER_SINCE(GCC, 3, 6, 0)
# define RBIMPL_HAS_BUILTIN___builtin_clzll RBIMPL_COMPILER_SINCE(GCC, 3, 6, 0)