diff options
| author | 卜部昌平 <shyouhei@ruby-lang.org> | 2019-12-02 15:50:11 +0900 |
|---|---|---|
| committer | 卜部昌平 <shyouhei@ruby-lang.org> | 2019-12-26 20:45:12 +0900 |
| commit | 64ec438b5bbeb6b29dd0393df01cc6ae3f5564da (patch) | |
| tree | 9c15744ab666b5491640dd15e57700d7531d2139 /internal/compilers.h | |
| parent | 0958e19ffb047781fe1506760c7cbd8d7fe74e57 (diff) | |
internal/bits.h rework
Improving readability by converting some macros into inline functions.
Also improved support for recent x86_64 processors, which have better
instructions for the purposes.
Notes
Notes:
Merged: https://github.com/ruby/ruby/pull/2711
Diffstat (limited to 'internal/compilers.h')
| -rw-r--r-- | internal/compilers.h | 73 |
1 files changed, 72 insertions, 1 deletions
diff --git a/internal/compilers.h b/internal/compilers.h index 5a9e566e71..8f32030c60 100644 --- a/internal/compilers.h +++ b/internal/compilers.h @@ -84,7 +84,78 @@ # * __has_builtin only since GCC 10. This section can be made more # * granular. */ # /* https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66970 */ -# define __has_builtin(...) GCC_VERSION_SINCE(0, 0, 0) +# define __has_builtin(...) __has_builtin_##__VA_ARGS__ +# define __has_builtin____builtin_bswap16 GCC_VERSION_SINCE(4, 8, 0) /* http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52624 */ +# define __has_builtin____builtin_bswap32 GCC_VERSION_SINCE(3, 6, 0) +# define __has_builtin____builtin_bswap64 GCC_VERSION_SINCE(3, 6, 0) +# define __has_builtin____builtin_clz GCC_VERSION_SINCE(3, 6, 0) +# define __has_builtin____builtin_clzl GCC_VERSION_SINCE(3, 6, 0) +# define __has_builtin____builtin_clzll GCC_VERSION_SINCE(3, 6, 0) +# define __has_builtin____builtin_ctz GCC_VERSION_SINCE(3, 6, 0) +# define __has_builtin____builtin_ctzl GCC_VERSION_SINCE(3, 6, 0) +# define __has_builtin____builtin_ctzll GCC_VERSION_SINCE(3, 6, 0) +# define __has_builtin____builtin_mul_overflow GCC_VERSION_SINCE(5, 0, 0) +# define __has_builtin____builtin_mul_overflow_p GCC_VERSION_SINCE(7, 0, 0) +# define __has_builtin____builtin_popcount GCC_VERSION_SINCE(3, 6, 0) +# define __has_builtin____builtin_popcountl GCC_VERSION_SINCE(3, 6, 0) +# define __has_builtin____builtin_popcountll GCC_VERSION_SINCE(3, 6, 0) +# /* Take config.h definition when available */ +# ifdef HAVE_BUILTIN____BUILTIN_BSWAP16 +# undef __has_builtin____builtin_bswap16 +# define __has_builtin____builtin_bswap16 HAVE_BUILTIN____BUILTIN_BSWAP16 +# endif +# ifdef HAVE_BUILTIN____BUILTIN_BSWAP32 +# undef __has_builtin____builtin_bswap32 +# define __has_builtin____builtin_bswap16 HAVE_BUILTIN____BUILTIN_BSWAP32 +# endif +# ifdef HAVE_BUILTIN____BUILTIN_BSWAP64 +# undef __has_builtin____builtin_bswap64 +# define __has_builtin____builtin_bswap64 HAVE_BUILTIN____BUILTIN_BSWAP64 +# endif +# ifdef HAVE_BUILTIN____BUILTIN_CLZ +# undef __has_builtin____builtin_clz +# define __has_builtin____builtin_clz HAVE_BUILTIN____BUILTIN_CLZ +# endif +# ifdef HAVE_BUILTIN____BUILTIN_CLZL +# undef __has_builtin____builtin_clzl +# define __has_builtin____builtin_clzl HAVE_BUILTIN____BUILTIN_CLZL +# endif +# ifdef HAVE_BUILTIN____BUILTIN_CLZLL +# undef __has_builtin____builtin_clzll +# define __has_builtin____builtin_clzll HAVE_BUILTIN____BUILTIN_CLZLL +# endif +# ifdef HAVE_BUILTIN____BUILTIN_CTZ +# undef __has_builtin____builtin_ctz +# define __has_builtin____builtin_ctz HAVE_BUILTIN____BUILTIN_CTZ +# endif +# ifdef HAVE_BUILTIN____BUILTIN_CTZL +# undef __has_builtin____builtin_ctzl +# define __has_builtin____builtin_ctzl HAVE_BUILTIN____BUILTIN_CTZL +# endif +# ifdef HAVE_BUILTIN____BUILTIN_CTZLL +# undef __has_builtin____builtin_ctzll +# define __has_builtin____builtin_ctzll HAVE_BUILTIN____BUILTIN_CTZLL +# endif +# ifdef HAVE_BUILTIN____BUILTIN_MUL_OVERFLOW +# undef __has_builtin____builtin_mul_overflow +# define __has_builtin____builtin_mul_overflow HAVE_BUILTIN____BUILTIN_MUL_OVERFLOW +# endif +# ifdef HAVE_BUILTIN____BUILTIN_MUL_OVERFLOW_P +# undef __has_builtin____builtin_mul_overflow_p +# define __has_builtin____builtin_mul_overflow_p HAVE_BUILTIN____BUILTIN_MUL_OVERFLOW_P +# endif +# ifdef HAVE_BUILTIN____BUILTIN_POPCOUNT +# undef __has_builtin____builtin_popcount +# define __has_builtin____builtin_popcount HAVE_BUILTIN____BUILTIN_POPCOUNT +# endif +# ifdef HAVE_BUILTIN____BUILTIN_POPCOUNTL +# undef __has_builtin____builtin_popcountl +# define __has_builtin____builtin_popcountl HAVE_BUILTIN____BUILTIN_POPCOUNTL +# endif +# ifdef HAVE_BUILTIN____BUILTIN_POPCOUNTLL +# undef __has_builtin____builtin_popcountll +# define __has_builtin____builtin_popcountll HAVE_BUILTIN____BUILTIN_POPCOUNTLL +# endif #endif #ifndef __has_feature |